From 197781e3af51cd46ae7761938afa474c40c36b76 Mon Sep 17 00:00:00 2001 From: Yash nagarkar <116726926+yash08123@users.noreply.github.com> Date: Fri, 22 Sep 2023 13:42:20 +0530 Subject: [PATCH 001/786] Cover the removal of is_botocore on the release notes (#6061) --- docs/news.rst | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/docs/news.rst b/docs/news.rst index fc3cfd9e8..c5b75aae2 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -469,6 +469,10 @@ Deprecation removals has now been removed. (:issue:`5719`) +- The ``scrapy.utils.boto.is_botocore()`` function, deprecated in Scrapy 2.4, + has now been removed. + (:issue:`5719`) + Deprecations ~~~~~~~~~~~~ From 8dc72dfc4d5a651e034a956a03d8e0a5f4c8a94d Mon Sep 17 00:00:00 2001 From: kokobhara <146670393+kokobhara@users.noreply.github.com> Date: Mon, 2 Oct 2023 15:44:05 +0530 Subject: [PATCH 002/786] Cover PythonItemExporter backwaird-incompatible changes in 2.11 (#6081) --- docs/news.rst | 3 +++ 1 file changed, 3 insertions(+) diff --git a/docs/news.rst b/docs/news.rst index c5b75aae2..fd8fa3ea3 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -40,6 +40,9 @@ Backward-incompatible changes UTF-32). If you need to deal with JSON documents in an invalid encoding, use ``json.loads(response.text)`` instead. (:issue:`6016`) +- :class:`~scrapy.exporters.PythonItemExporter` used the binary output by + default but it no longer does. (:issue:`6006`, :issue:`6007`) + Deprecation removals ~~~~~~~~~~~~~~~~~~~~ From a6cee787dd45fabba3f39dbb1752baeef649f5b7 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Sat, 11 Nov 2023 20:00:12 +0400 Subject: [PATCH 003/786] Improve type hints for copy() and replace() in Request and Response. --- .../downloadermiddlewares/httpcompression.py | 6 +-- scrapy/downloadermiddlewares/redirect.py | 1 + scrapy/http/request/__init__.py | 37 +++++++++++++++---- scrapy/http/request/json_request.py | 26 +++++++++++-- scrapy/http/response/__init__.py | 31 +++++++++++++--- 5 files changed, 81 insertions(+), 20 deletions(-) diff --git a/scrapy/downloadermiddlewares/httpcompression.py b/scrapy/downloadermiddlewares/httpcompression.py index 56a58a750..d44eb933a 100644 --- a/scrapy/downloadermiddlewares/httpcompression.py +++ b/scrapy/downloadermiddlewares/httpcompression.py @@ -2,7 +2,7 @@ from __future__ import annotations import io import zlib -from typing import TYPE_CHECKING, List, Optional, Union +from typing import TYPE_CHECKING, Any, Dict, List, Optional, Union from scrapy import Request, Spider from scrapy.crawler import Crawler @@ -74,12 +74,12 @@ class HttpCompressionMiddleware: respcls = responsetypes.from_args( headers=response.headers, url=response.url, body=decoded_body ) - kwargs = dict(cls=respcls, body=decoded_body) + kwargs: Dict[str, Any] = dict(body=decoded_body) if issubclass(respcls, TextResponse): # force recalculating the encoding until we make sure the # responsetypes guessing is reliable kwargs["encoding"] = None - response = response.replace(**kwargs) + response = response.replace(cls=respcls, **kwargs) if not content_encoding: del response.headers["Content-Encoding"] diff --git a/scrapy/downloadermiddlewares/redirect.py b/scrapy/downloadermiddlewares/redirect.py index 814b1a561..7b1401ac8 100644 --- a/scrapy/downloadermiddlewares/redirect.py +++ b/scrapy/downloadermiddlewares/redirect.py @@ -27,6 +27,7 @@ def _build_redirect_request( redirect_request = source_request.replace( url=url, **kwargs, + cls=None, cookies=None, ) if "Cookie" in redirect_request.headers: diff --git a/scrapy/http/request/__init__.py b/scrapy/http/request/__init__.py index a1c5a5e51..4effc2178 100644 --- a/scrapy/http/request/__init__.py +++ b/scrapy/http/request/__init__.py @@ -4,8 +4,11 @@ requests in Scrapy. See documentation in docs/topics/request-response.rst """ +from __future__ import annotations + import inspect from typing import ( + TYPE_CHECKING, Any, AnyStr, Callable, @@ -19,7 +22,7 @@ from typing import ( Type, TypeVar, Union, - cast, + overload, ) from w3lib.url import safe_url_string @@ -31,6 +34,11 @@ from scrapy.utils.python import to_bytes from scrapy.utils.trackref import object_ref from scrapy.utils.url import escape_ajax +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self + + RequestTypeVar = TypeVar("RequestTypeVar", bound="Request") @@ -173,23 +181,36 @@ class Request(object_ref): def __repr__(self) -> str: return f"<{self.method} {self.url}>" - def copy(self) -> "Request": + def copy(self) -> Self: return self.replace() - def replace(self, *args: Any, **kwargs: Any) -> "Request": + @overload + def replace( + self, *args: Any, cls: Type[RequestTypeVar], **kwargs: Any + ) -> RequestTypeVar: + ... + + @overload + def replace(self, *args: Any, cls: None = None, **kwargs: Any) -> Self: + ... + + def replace( + self, *args: Any, cls: Optional[Type[Request]] = None, **kwargs: Any + ) -> Request: """Create a new Request with the same attributes except for those given new values""" for x in self.attributes: kwargs.setdefault(x, getattr(self, x)) - cls = kwargs.pop("cls", self.__class__) - return cast(Request, cls(*args, **kwargs)) + if cls is None: + cls = self.__class__ + return cls(*args, **kwargs) @classmethod def from_curl( - cls: Type[RequestTypeVar], + cls, curl_command: str, ignore_unknown_options: bool = True, **kwargs: Any, - ) -> RequestTypeVar: + ) -> Self: """Create a Request object from a string containing a `cURL `_ command. It populates the HTTP method, the URL, the headers, the cookies and the body. It accepts the same @@ -221,7 +242,7 @@ class Request(object_ref): request_kwargs.update(kwargs) return cls(**request_kwargs) - def to_dict(self, *, spider: Optional["scrapy.Spider"] = None) -> Dict[str, Any]: + def to_dict(self, *, spider: Optional[scrapy.Spider] = None) -> Dict[str, Any]: """Return a dictionary containing the Request's data. Use :func:`~scrapy.utils.request.request_from_dict` to convert back into a :class:`~scrapy.Request` object. diff --git a/scrapy/http/request/json_request.py b/scrapy/http/request/json_request.py index 1dd9e6c87..5c09835e4 100644 --- a/scrapy/http/request/json_request.py +++ b/scrapy/http/request/json_request.py @@ -5,12 +5,18 @@ This module implements the JsonRequest class which is a more convenient class See documentation in docs/topics/request-response.rst """ +from __future__ import annotations + import copy import json import warnings -from typing import Any, Optional, Tuple +from typing import TYPE_CHECKING, Any, Optional, Tuple, Type, overload -from scrapy.http.request import Request +from scrapy.http.request import Request, RequestTypeVar + +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self class JsonRequest(Request): @@ -44,7 +50,19 @@ class JsonRequest(Request): def dumps_kwargs(self) -> dict: return self._dumps_kwargs - def replace(self, *args: Any, **kwargs: Any) -> Request: + @overload + def replace( + self, *args: Any, cls: Type[RequestTypeVar], **kwargs: Any + ) -> RequestTypeVar: + ... + + @overload + def replace(self, *args: Any, cls: None = None, **kwargs: Any) -> Self: + ... + + def replace( + self, *args: Any, cls: Optional[Type[Request]] = None, **kwargs: Any + ) -> Request: body_passed = kwargs.get("body", None) is not None data = kwargs.pop("data", None) data_passed = data is not None @@ -54,7 +72,7 @@ class JsonRequest(Request): elif not body_passed and data_passed: kwargs["body"] = self._dumps(data) - return super().replace(*args, **kwargs) + return super().replace(*args, cls=cls, **kwargs) def _dumps(self, data: dict) -> str: """Convert to JSON""" diff --git a/scrapy/http/response/__init__.py b/scrapy/http/response/__init__.py index 6eae3e8b3..e889a6460 100644 --- a/scrapy/http/response/__init__.py +++ b/scrapy/http/response/__init__.py @@ -19,8 +19,10 @@ from typing import ( Mapping, Optional, Tuple, + Type, + TypeVar, Union, - cast, + overload, ) from urllib.parse import urljoin @@ -33,9 +35,15 @@ from scrapy.link import Link from scrapy.utils.trackref import object_ref if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self + from scrapy.selector import SelectorList +ResponseTypeVar = TypeVar("ResponseTypeVar", bound="Response") + + class Response(object_ref): """An object that represents an HTTP response, which is usually downloaded (by the Downloader) and fed to the Spiders for processing. @@ -132,16 +140,29 @@ class Response(object_ref): def __repr__(self) -> str: return f"<{self.status} {self.url}>" - def copy(self) -> Response: + def copy(self) -> Self: """Return a copy of this Response""" return self.replace() - def replace(self, *args: Any, **kwargs: Any) -> Response: + @overload + def replace( + self, *args: Any, cls: Type[ResponseTypeVar], **kwargs: Any + ) -> ResponseTypeVar: + ... + + @overload + def replace(self, *args: Any, cls: None = None, **kwargs: Any) -> Self: + ... + + def replace( + self, *args: Any, cls: Optional[Type[Response]] = None, **kwargs: Any + ) -> Response: """Create a new Response with the same attributes except for those given new values""" for x in self.attributes: kwargs.setdefault(x, getattr(self, x)) - cls = kwargs.pop("cls", self.__class__) - return cast(Response, cls(*args, **kwargs)) + if cls is None: + cls = self.__class__ + return cls(*args, **kwargs) def urljoin(self, url: str) -> str: """Join this Response's url with a possible relative url to form an From 5d55e4f56b77168b961db15e0f03d608fad69e7d Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Sun, 12 Nov 2023 20:15:06 +0400 Subject: [PATCH 004/786] Add mypy tests. --- tests_typing/test_http_request.mypy-testing | 66 ++++++++++++++++++++ tests_typing/test_http_response.mypy-testing | 45 +++++++++++++ tox.ini | 8 +++ 3 files changed, 119 insertions(+) create mode 100644 tests_typing/test_http_request.mypy-testing create mode 100644 tests_typing/test_http_response.mypy-testing diff --git a/tests_typing/test_http_request.mypy-testing b/tests_typing/test_http_request.mypy-testing new file mode 100644 index 000000000..a306b15fe --- /dev/null +++ b/tests_typing/test_http_request.mypy-testing @@ -0,0 +1,66 @@ +import pytest + +from scrapy import Request +from scrapy.http import JsonRequest + + +class MyRequest(Request): + pass + + +class MyRequest2(Request): + pass + + +@pytest.mark.mypy_testing +def mypy_test_headers(): + Request("data:,", headers=1) # E: Argument "headers" to "Request" has incompatible type "int"; expected "Mapping[str, Any] | Iterable[tuple[str, Any]] | None" + Request("data:,", headers=None) + Request("data:,", headers={}) + Request("data:,", headers=[]) + Request("data:,", headers={"foo": "bar"}) + Request("data:,", headers={b"foo": "bar"}) + Request("data:,", headers={"foo": b"bar"}) + Request("data:,", headers=[("foo", "bar")]) + Request("data:,", headers=[(b"foo", "bar")]) + Request("data:,", headers=[("foo", b"bar")]) + + +@pytest.mark.mypy_testing +def mypy_test_copy(): + req = Request("data:,") + reveal_type(req) # R: scrapy.http.request.Request + req_copy = req.copy() + reveal_type(req_copy) # R: scrapy.http.request.Request + + req = MyRequest("data:,") + reveal_type(req) # R: __main__.MyRequest + req_copy = req.copy() + reveal_type(req_copy) # R: __main__.MyRequest + + +@pytest.mark.mypy_testing +def mypy_test_replace(): + req = Request("data:,") + reveal_type(req) # R: scrapy.http.request.Request + req_copy = req.replace(body=b"a") + reveal_type(req_copy) # R: scrapy.http.request.Request + + req = MyRequest("data:,") + reveal_type(req) # R: __main__.MyRequest + req_copy = req.replace(body=b"a") + reveal_type(req_copy) # R: __main__.MyRequest + req_copy2 = req.replace(body=b"a", cls=MyRequest2) + reveal_type(req_copy2) # R: __main__.MyRequest2 + + +@pytest.mark.mypy_testing +def mypy_test_jsonrequest_copy_replace(): + req = JsonRequest("data:,") + reveal_type(req) # R: scrapy.http.request.json_request.JsonRequest + req_copy = req.copy() + reveal_type(req_copy) # R: scrapy.http.request.json_request.JsonRequest + req_copy = req.replace(body=b"a") + reveal_type(req_copy) # R: scrapy.http.request.json_request.JsonRequest + req_copy_my = req.replace(body=b"a", cls=MyRequest) + reveal_type(req_copy_my) # R: __main__.MyRequest diff --git a/tests_typing/test_http_response.mypy-testing b/tests_typing/test_http_response.mypy-testing new file mode 100644 index 000000000..66ac6ad1d --- /dev/null +++ b/tests_typing/test_http_response.mypy-testing @@ -0,0 +1,45 @@ +import pytest + +from scrapy.http import HtmlResponse, Response, TextResponse + + +@pytest.mark.mypy_testing +def mypy_test_headers(): + Response("data:,", headers=1) # E: Argument "headers" to "Response" has incompatible type "int"; expected "Mapping[str, Any] | Iterable[tuple[str, Any]] | None" + Response("data:,", headers=None) + Response("data:,", headers={}) + Response("data:,", headers=[]) + Response("data:,", headers={"foo": "bar"}) + Response("data:,", headers={b"foo": "bar"}) + Response("data:,", headers={"foo": b"bar"}) + Response("data:,", headers=[("foo", "bar")]) + Response("data:,", headers=[(b"foo", "bar")]) + Response("data:,", headers=[("foo", b"bar")]) + + +@pytest.mark.mypy_testing +def mypy_test_copy(): + resp = Response("data:,") + reveal_type(resp) # R: scrapy.http.response.Response + resp_copy = resp.copy() + reveal_type(resp_copy) # R: scrapy.http.response.Response + + resp = HtmlResponse("data:,") + reveal_type(resp) # R: scrapy.http.response.html.HtmlResponse + resp_copy = resp.copy() + reveal_type(resp_copy) # R: scrapy.http.response.html.HtmlResponse + + +@pytest.mark.mypy_testing +def mypy_test_replace(): + resp = Response("data:,") + reveal_type(resp) # R: scrapy.http.response.Response + resp_copy = resp.replace(body=b"a") + reveal_type(resp_copy) # R: scrapy.http.response.Response + + resp = HtmlResponse("data:,") + reveal_type(resp) # R: scrapy.http.response.html.HtmlResponse + resp_copy = resp.replace(body=b"a") + reveal_type(resp_copy) # R: scrapy.http.response.html.HtmlResponse + resp_copy2 = resp.replace(body=b"a", cls=TextResponse) + reveal_type(resp_copy2) # R: scrapy.http.response.text.TextResponse diff --git a/tox.ini b/tox.ini index 932c0b805..c3fa54339 100644 --- a/tox.ini +++ b/tox.ini @@ -46,6 +46,14 @@ deps = commands = mypy {posargs: scrapy tests} +[testenv:typing-tests] +deps = + {[testenv]deps} + {[testenv:typing]deps} + pytest-mypy-testing==0.1.1 +commands = + pytest {posargs: tests_typing} + [testenv:pre-commit] basepython = python3 deps = From 204d6e180a7c8bc59f188230fb001339a5a43476 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Sun, 12 Nov 2023 20:47:52 +0400 Subject: [PATCH 005/786] Enable typing-tests in CI. --- .github/workflows/checks.yml | 3 +++ 1 file changed, 3 insertions(+) diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml index d6fc0f6c5..ed1629b67 100644 --- a/.github/workflows/checks.yml +++ b/.github/workflows/checks.yml @@ -18,6 +18,9 @@ jobs: - python-version: 3.8 env: TOXENV: typing + - python-version: 3.8 + env: + TOXENV: typing-tests - python-version: "3.11" # Keep in sync with .readthedocs.yml env: TOXENV: docs From 8776b4a6fb64e87c7baf96ae256e04a09246e360 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Sun, 12 Nov 2023 20:52:29 +0400 Subject: [PATCH 006/786] Fix env deps for typing-tests. --- tox.ini | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tox.ini b/tox.ini index c3fa54339..21ac4c3ff 100644 --- a/tox.ini +++ b/tox.ini @@ -48,7 +48,7 @@ commands = [testenv:typing-tests] deps = - {[testenv]deps} + -rtests/requirements.txt {[testenv:typing]deps} pytest-mypy-testing==0.1.1 commands = From db5a73f7bb44704b1751a3d005f53cbcd9846415 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 15 Nov 2023 12:02:39 +0400 Subject: [PATCH 007/786] Update the expected mypy output to match the old Python one. --- tests_typing/test_http_request.mypy-testing | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests_typing/test_http_request.mypy-testing b/tests_typing/test_http_request.mypy-testing index a306b15fe..636e6895f 100644 --- a/tests_typing/test_http_request.mypy-testing +++ b/tests_typing/test_http_request.mypy-testing @@ -14,7 +14,7 @@ class MyRequest2(Request): @pytest.mark.mypy_testing def mypy_test_headers(): - Request("data:,", headers=1) # E: Argument "headers" to "Request" has incompatible type "int"; expected "Mapping[str, Any] | Iterable[tuple[str, Any]] | None" + Request("data:,", headers=1) # E: Argument "headers" to "Request" has incompatible type "int"; expected "Union[Mapping[str, Any], Iterable[Tuple[str, Any]], None]" Request("data:,", headers=None) Request("data:,", headers={}) Request("data:,", headers=[]) From ebdea4037a38bb207f90658b9380fda7a2e3e825 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 15 Nov 2023 12:31:31 +0400 Subject: [PATCH 008/786] Update another output line. --- tests_typing/test_http_response.mypy-testing | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests_typing/test_http_response.mypy-testing b/tests_typing/test_http_response.mypy-testing index 66ac6ad1d..2e58b4fbc 100644 --- a/tests_typing/test_http_response.mypy-testing +++ b/tests_typing/test_http_response.mypy-testing @@ -5,7 +5,7 @@ from scrapy.http import HtmlResponse, Response, TextResponse @pytest.mark.mypy_testing def mypy_test_headers(): - Response("data:,", headers=1) # E: Argument "headers" to "Response" has incompatible type "int"; expected "Mapping[str, Any] | Iterable[tuple[str, Any]] | None" + Response("data:,", headers=1) # E: Argument "headers" to "Response" has incompatible type "int"; expected "Union[Mapping[str, Any], Iterable[Tuple[str, Any]], None]" Response("data:,", headers=None) Response("data:,", headers={}) Response("data:,", headers=[]) From 5fccf370b87378fe2db6bdd52b98c1e2a951df3b Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 15 Nov 2023 15:38:13 +0100 Subject: [PATCH 009/786] Update the RTD URL for coverage --- docs/conf.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/conf.py b/docs/conf.py index 38ca81932..9ca0f817a 100644 --- a/docs/conf.py +++ b/docs/conf.py @@ -276,7 +276,7 @@ coverage_ignore_pyobjects = [ intersphinx_mapping = { "attrs": ("https://www.attrs.org/en/stable/", None), - "coverage": ("https://coverage.readthedocs.io/en/stable", None), + "coverage": ("https://coverage.readthedocs.io/en/latest", None), "cryptography": ("https://cryptography.io/en/latest/", None), "cssselect": ("https://cssselect.readthedocs.io/en/latest", None), "itemloaders": ("https://itemloaders.readthedocs.io/en/latest/", None), From 080fecd8900b6b1f94e8e143e90338279ba8d6e5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 15 Nov 2023 15:39:30 +0100 Subject: [PATCH 010/786] Drop the Authorization header on cross-domain redirect --- docs/news.rst | 27 ++++++++++++++++++ scrapy/downloadermiddlewares/redirect.py | 10 +++++-- tests/test_downloadermiddleware_redirect.py | 31 +++++++++++++++++++++ 3 files changed, 66 insertions(+), 2 deletions(-) diff --git a/docs/news.rst b/docs/news.rst index fd8fa3ea3..b19ec2e99 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -3,6 +3,20 @@ Release notes ============= +.. _release-2.11.1: + +Scrapy 2.11.1 (unreleased) +-------------------------- + +**Security bug fix:** + +- The ``Authorization`` header is now dropped on redirects to a different + domain. Please, see the `cw9j-q3vf-hrrv security advisory`_ for more + information. + + .. _cw9j-q3vf-hrrv security advisory: https://github.com/scrapy/scrapy/security/advisories/GHSA-cw9j-q3vf-hrrv + + .. _release-2.11.0: Scrapy 2.11.0 (2023-09-18) @@ -2869,6 +2883,19 @@ affect subclasses: (:issue:`3884`) +.. _release-1.8.4: + +Scrapy 1.8.4 (unreleased) +------------------------- + +**Security bug fix:** + +- The ``Authorization`` header is now dropped on redirects to a different + domain. Please, see the `cw9j-q3vf-hrrv security advisory`_ for more + information. + + .. _cw9j-q3vf-hrrv security advisory: https://github.com/scrapy/scrapy/security/advisories/GHSA-cw9j-q3vf-hrrv + .. _release-1.8.3: diff --git a/scrapy/downloadermiddlewares/redirect.py b/scrapy/downloadermiddlewares/redirect.py index 65f1d2224..3176ed930 100644 --- a/scrapy/downloadermiddlewares/redirect.py +++ b/scrapy/downloadermiddlewares/redirect.py @@ -17,11 +17,17 @@ def _build_redirect_request(source_request, *, url, **kwargs): **kwargs, cookies=None, ) - if "Cookie" in redirect_request.headers: + has_cookie_header = "Cookie" in redirect_request.headers + has_authorization_header = "Authorization" in redirect_request.headers + if has_cookie_header or has_authorization_header: source_request_netloc = urlparse_cached(source_request).netloc redirect_request_netloc = urlparse_cached(redirect_request).netloc if source_request_netloc != redirect_request_netloc: - del redirect_request.headers["Cookie"] + if has_cookie_header: + del redirect_request.headers["Cookie"] + # https://fetch.spec.whatwg.org/#ref-for-cors-non-wildcard-request-header-name + if has_authorization_header: + del redirect_request.headers["Authorization"] return redirect_request diff --git a/tests/test_downloadermiddleware_redirect.py b/tests/test_downloadermiddleware_redirect.py index dc15b672c..10b8ca9af 100644 --- a/tests/test_downloadermiddleware_redirect.py +++ b/tests/test_downloadermiddleware_redirect.py @@ -247,6 +247,37 @@ class RedirectMiddlewareTest(unittest.TestCase): perc_encoded_utf8_url = "http://scrapytest.org/a%C3%A7%C3%A3o" self.assertEqual(perc_encoded_utf8_url, req_result.url) + def test_cross_domain_header_dropping(self): + safe_headers = {"A": "B"} + original_request = Request( + "https://example.com", + headers={"Cookie": "a=b", "Authorization": "a", **safe_headers}, + ) + + internal_response = Response( + "https://example.com", + headers={"Location": "https://example.com/a"}, + status=301, + ) + internal_redirect_request = self.mw.process_response( + original_request, internal_response, self.spider + ) + self.assertIsInstance(internal_redirect_request, Request) + self.assertEqual(original_request.headers, internal_redirect_request.headers) + + external_response = Response( + "https://example.com", + headers={"Location": "https://example.org/a"}, + status=301, + ) + external_redirect_request = self.mw.process_response( + original_request, external_response, self.spider + ) + self.assertIsInstance(external_redirect_request, Request) + self.assertEqual( + safe_headers, external_redirect_request.headers.to_unicode_dict() + ) + class MetaRefreshMiddlewareTest(unittest.TestCase): def setUp(self): From 75e99c75b3c6219df50546877e02f7bbb37324c3 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 15 Nov 2023 19:51:04 +0400 Subject: [PATCH 011/786] Improve the docs about Crawler attributes and settings initialization. --- docs/news.rst | 6 ++++-- docs/topics/spiders.rst | 10 ++++++++-- 2 files changed, 12 insertions(+), 4 deletions(-) diff --git a/docs/news.rst b/docs/news.rst index fd8fa3ea3..0c202639e 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -32,8 +32,10 @@ Backward-incompatible changes :meth:`scrapy.crawler.Crawler.__init__` and before the settings are finalized and frozen. This change was needed to allow changing the settings in :meth:`scrapy.Spider.from_crawler`. If you want to access the final - setting values in the spider code as early as possible you can do this in - :meth:`~scrapy.Spider.start_requests`. (:issue:`6038`) + setting values and the initialized :class:`~scrapy.crawler.Crawler` + attributes in the spider code as early as possible you can do this in + :meth:`~scrapy.Spider.start_requests` or in a handler of the + :signal:`engine_started` signal. (:issue:`6038`) - The :meth:`TextResponse.json ` method now requires the response to be in a valid JSON encoding (UTF-8, UTF-16, or diff --git a/docs/topics/spiders.rst b/docs/topics/spiders.rst index 20452d558..30677fe74 100644 --- a/docs/topics/spiders.rst +++ b/docs/topics/spiders.rst @@ -142,8 +142,14 @@ scrapy.Spider method, which is handy if you want to modify them based on arguments. As a consequence, these settings aren't the final values as they can be modified later by e.g. :ref:`add-ons - `. The final settings are available in the - :meth:`start_requests` method and later. + `. For the same reason, most of the + :class:`~scrapy.crawler.Crawler` attributes aren't initialized at + this point. + + The final settings and the initialized + :class:`~scrapy.crawler.Crawler` attributes are available in the + :meth:`start_requests` method, handlers of the + :signal:`engine_started` signal and later. :param crawler: crawler to which the spider will be bound :type crawler: :class:`~scrapy.crawler.Crawler` instance From ffbf943e9d0fed636174fab34b2d957b95ee8800 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 2 Oct 2023 20:40:25 +0400 Subject: [PATCH 012/786] Merge pull request #6077 from 11-aryan/11-aryan --- docs/topics/request-response.rst | 17 +++-------------- 1 file changed, 3 insertions(+), 14 deletions(-) diff --git a/docs/topics/request-response.rst b/docs/topics/request-response.rst index 41df51589..adf3d0f4a 100644 --- a/docs/topics/request-response.rst +++ b/docs/topics/request-response.rst @@ -115,20 +115,9 @@ Request objects cookies for that domain and will be sent again in future requests. That's the typical behaviour of any regular web browser. - To create a request that does not send stored cookies and does not - store received cookies, set the ``dont_merge_cookies`` key to ``True`` - in :attr:`request.meta `. - - Example of a request that sends manually-defined cookies and ignores - cookie storage: - - .. code-block:: python - - Request( - url="http://www.example.com", - cookies={"currency": "USD", "country": "UY"}, - meta={"dont_merge_cookies": True}, - ) + Note that setting the :reqmeta:`dont_merge_cookies` key to ``True`` in + :attr:`request.meta ` causes custom cookies to be + ignored. For more info see :ref:`cookies-mw`. From 59cfdeaa5c83ca1e65be7220296366c135b7676c Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Tue, 3 Oct 2023 20:20:12 +0400 Subject: [PATCH 013/786] Merge pull request #6083 from wRAR/py3.12-release Adapt to the Python 3.12 final release --- .github/workflows/tests-macos.yml | 2 +- .github/workflows/tests-ubuntu.yml | 20 +++++++++----------- .github/workflows/tests-windows.yml | 8 ++++---- tests/requirements.txt | 6 ++---- tests/test_downloader_handlers.py | 2 +- tests/test_feedexport.py | 3 --- tests/test_pipeline_files.py | 5 ----- 7 files changed, 17 insertions(+), 29 deletions(-) diff --git a/.github/workflows/tests-macos.yml b/.github/workflows/tests-macos.yml index 3044a1af3..aa9b3851d 100644 --- a/.github/workflows/tests-macos.yml +++ b/.github/workflows/tests-macos.yml @@ -7,7 +7,7 @@ jobs: strategy: fail-fast: false matrix: - python-version: ["3.8", "3.9", "3.10", "3.11"] + python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"] steps: - uses: actions/checkout@v3 diff --git a/.github/workflows/tests-ubuntu.yml b/.github/workflows/tests-ubuntu.yml index 5ff92a571..62b5f123a 100644 --- a/.github/workflows/tests-ubuntu.yml +++ b/.github/workflows/tests-ubuntu.yml @@ -17,7 +17,10 @@ jobs: - python-version: "3.11" env: TOXENV: py - - python-version: "3.11" + - python-version: "3.12" + env: + TOXENV: py + - python-version: "3.12" env: TOXENV: asyncio - python-version: pypy3.9 @@ -41,22 +44,17 @@ jobs: env: TOXENV: botocore-pinned - - python-version: "3.11" + - python-version: "3.12" env: TOXENV: extra-deps - - python-version: "3.11" + - python-version: "3.12" env: TOXENV: botocore - - python-version: "3.12.0-rc.2" - env: - TOXENV: py - - python-version: "3.12.0-rc.2" + # keep until uvloop supports 3.12 + - python-version: "3.11" env: TOXENV: asyncio - - python-version: "3.12.0-rc.2" - env: - TOXENV: extra-deps steps: - uses: actions/checkout@v3 @@ -67,7 +65,7 @@ jobs: python-version: ${{ matrix.python-version }} - name: Install system libraries - if: matrix.python-version == 'pypy3.9' || contains(matrix.env.TOXENV, 'pinned') || contains(matrix.python-version, '3.12.0') + if: matrix.python-version == 'pypy3.9' || contains(matrix.env.TOXENV, 'pinned') run: | sudo apt-get update sudo apt-get install libxml2-dev libxslt-dev diff --git a/.github/workflows/tests-windows.yml b/.github/workflows/tests-windows.yml index c8d1928d7..48e0bea76 100644 --- a/.github/workflows/tests-windows.yml +++ b/.github/workflows/tests-windows.yml @@ -17,13 +17,13 @@ jobs: - python-version: "3.10" env: TOXENV: py - - python-version: "3.10" - env: - TOXENV: asyncio - python-version: "3.11" env: TOXENV: py - - python-version: "3.11" + - python-version: "3.12" + env: + TOXENV: py + - python-version: "3.12" env: TOXENV: asyncio diff --git a/tests/requirements.txt b/tests/requirements.txt index 3ea7f3333..c07fda2d6 100644 --- a/tests/requirements.txt +++ b/tests/requirements.txt @@ -1,7 +1,6 @@ # Tests requirements attrs -# https://github.com/giampaolo/pyftpdlib/issues/560 -pyftpdlib; python_version < "3.12" +pyftpdlib >= 1.5.8 pytest pytest-cov==4.0.0 pytest-xdist @@ -10,8 +9,7 @@ testfixtures # uvloop currently doesn't build on 3.12 uvloop; platform_system != "Windows" and python_version < "3.12" -# bpython requires greenlet which currently doesn't build on 3.12 -bpython; python_version < "3.12" # optional for shell wrapper tests +bpython # optional for shell wrapper tests brotli; implementation_name != 'pypy' # optional for HTTP compress downloader middleware tests # 1.1.0 is broken on PyPy: https://github.com/google/brotli/issues/1072 brotli==1.0.9; implementation_name == 'pypy' # optional for HTTP compress downloader middleware tests diff --git a/tests/test_downloader_handlers.py b/tests/test_downloader_handlers.py index 57211d97a..f12243e1d 100644 --- a/tests/test_downloader_handlers.py +++ b/tests/test_downloader_handlers.py @@ -127,7 +127,7 @@ class FileTestCase(unittest.TestCase): return self.download_request(request, Spider("foo")).addCallback(_test) def test_non_existent(self): - request = Request(f"file://{self.mktemp()}") + request = Request(path_to_file_uri(self.mktemp())) d = self.download_request(request, Spider("foo")) return self.assertFailure(d, OSError) diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py index 6b82974fa..56967c0d5 100644 --- a/tests/test_feedexport.py +++ b/tests/test_feedexport.py @@ -125,9 +125,6 @@ class FileFeedStorageTest(unittest.TestCase): path.unlink() -@pytest.mark.skipif( - sys.version_info >= (3, 12), reason="pyftpdlib doesn't support Python 3.12 yet" -) class FTPFeedStorageTest(unittest.TestCase): def get_test_spider(self, settings=None): class TestSpider(scrapy.Spider): diff --git a/tests/test_pipeline_files.py b/tests/test_pipeline_files.py index bf96f17b6..468751446 100644 --- a/tests/test_pipeline_files.py +++ b/tests/test_pipeline_files.py @@ -1,7 +1,6 @@ import dataclasses import os import random -import sys import time from datetime import datetime from io import BytesIO @@ -12,7 +11,6 @@ from unittest import mock from urllib.parse import urlparse import attr -import pytest from itemadapter import ItemAdapter from twisted.internet import defer from twisted.trial import unittest @@ -648,9 +646,6 @@ class TestGCSFilesStore(unittest.TestCase): store.bucket.get_blob.assert_called_with(expected_blob_path) -@pytest.mark.skipif( - sys.version_info >= (3, 12), reason="pyftpdlib doesn't support Python 3.12 yet" -) class TestFTPFileStore(unittest.TestCase): @defer.inlineCallbacks def test_persist(self): From 538192916f496eb21846d797a6feff5c05f501cf Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Tue, 17 Oct 2023 17:08:23 +0400 Subject: [PATCH 014/786] Merge pull request #6064 from wRAR/signals-proper Refactor installing signals. --- scrapy/crawler.py | 12 +++++++----- scrapy/utils/ossignal.py | 9 +++------ scrapy/utils/testproc.py | 7 ++++--- setup.py | 3 +-- tests/CrawlerProcess/sleeping.py | 24 +++++++++++++++++++++++ tests/requirements.txt | 1 + tests/test_command_shell.py | 26 +++++++++++++++++++++++++ tests/test_crawler.py | 33 ++++++++++++++++++++++++++++++-- 8 files changed, 97 insertions(+), 18 deletions(-) create mode 100644 tests/CrawlerProcess/sleeping.py diff --git a/scrapy/crawler.py b/scrapy/crawler.py index 22fd65be7..6f54e62e9 100644 --- a/scrapy/crawler.py +++ b/scrapy/crawler.py @@ -404,8 +404,8 @@ class CrawlerProcess(CrawlerRunner): :param bool stop_after_crawl: stop or not the reactor when all crawlers have finished - :param bool install_signal_handlers: whether to install the shutdown - handlers (default: True) + :param bool install_signal_handlers: whether to install the OS signal + handlers from Twisted and Scrapy (default: True) """ from twisted.internet import reactor @@ -416,15 +416,17 @@ class CrawlerProcess(CrawlerRunner): return d.addBoth(self._stop_reactor) - if install_signal_handlers: - install_shutdown_handlers(self._signal_shutdown) resolver_class = load_object(self.settings["DNS_RESOLVER"]) resolver = create_instance(resolver_class, self.settings, self, reactor=reactor) resolver.install_on_reactor() tp = reactor.getThreadPool() tp.adjustPoolsize(maxthreads=self.settings.getint("REACTOR_THREADPOOL_MAXSIZE")) reactor.addSystemEventTrigger("before", "shutdown", self.stop) - reactor.run(installSignalHandlers=False) # blocking call + if install_signal_handlers: + reactor.addSystemEventTrigger( + "after", "startup", install_shutdown_handlers, self._signal_shutdown + ) + reactor.run(installSignalHandlers=install_signal_handlers) # blocking call def _graceful_stop_reactor(self) -> Deferred: d = self.stop() diff --git a/scrapy/utils/ossignal.py b/scrapy/utils/ossignal.py index 2334ea792..db9a71273 100644 --- a/scrapy/utils/ossignal.py +++ b/scrapy/utils/ossignal.py @@ -19,13 +19,10 @@ def install_shutdown_handlers( function: SignalHandlerT, override_sigint: bool = True ) -> None: """Install the given function as a signal handler for all common shutdown - signals (such as SIGINT, SIGTERM, etc). If override_sigint is ``False`` the - SIGINT handler won't be install if there is already a handler in place - (e.g. Pdb) + signals (such as SIGINT, SIGTERM, etc). If ``override_sigint`` is ``False`` the + SIGINT handler won't be installed if there is already a handler in place + (e.g. Pdb) """ - from twisted.internet import reactor - - reactor._handleSignals() signal.signal(signal.SIGTERM, function) if signal.getsignal(signal.SIGINT) == signal.default_int_handler or override_sigint: signal.signal(signal.SIGINT, function) diff --git a/scrapy/utils/testproc.py b/scrapy/utils/testproc.py index 5f7a7db14..0688e014b 100644 --- a/scrapy/utils/testproc.py +++ b/scrapy/utils/testproc.py @@ -2,7 +2,7 @@ from __future__ import annotations import os import sys -from typing import Iterable, Optional, Tuple, cast +from typing import Iterable, List, Optional, Tuple, cast from twisted.internet.defer import Deferred from twisted.internet.error import ProcessTerminated @@ -26,14 +26,15 @@ class ProcessTest: env = os.environ.copy() if settings is not None: env["SCRAPY_SETTINGS_MODULE"] = settings + assert self.command cmd = self.prefix + [self.command] + list(args) pp = TestProcessProtocol() - pp.deferred.addBoth(self._process_finished, cmd, check_code) + pp.deferred.addCallback(self._process_finished, cmd, check_code) reactor.spawnProcess(pp, cmd[0], cmd, env=env, path=self.cwd) return pp.deferred def _process_finished( - self, pp: TestProcessProtocol, cmd: str, check_code: bool + self, pp: TestProcessProtocol, cmd: List[str], check_code: bool ) -> Tuple[int, bytes, bytes]: if pp.exitcode and check_code: msg = f"process {cmd} exit with code {pp.exitcode}" diff --git a/setup.py b/setup.py index 47c0af0b0..405633f55 100644 --- a/setup.py +++ b/setup.py @@ -6,8 +6,7 @@ version = (Path(__file__).parent / "scrapy/VERSION").read_text("ascii").strip() install_requires = [ - # 23.8.0 incompatibility: https://github.com/scrapy/scrapy/issues/6024 - "Twisted>=18.9.0,<23.8.0", + "Twisted>=18.9.0", "cryptography>=36.0.0", "cssselect>=0.9.1", "itemloaders>=1.0.1", diff --git a/tests/CrawlerProcess/sleeping.py b/tests/CrawlerProcess/sleeping.py new file mode 100644 index 000000000..420d9d328 --- /dev/null +++ b/tests/CrawlerProcess/sleeping.py @@ -0,0 +1,24 @@ +from twisted.internet.defer import Deferred + +import scrapy +from scrapy.crawler import CrawlerProcess +from scrapy.utils.defer import maybe_deferred_to_future + + +class SleepingSpider(scrapy.Spider): + name = "sleeping" + + start_urls = ["data:,;"] + + async def parse(self, response): + from twisted.internet import reactor + + d = Deferred() + reactor.callLater(3, d.callback, None) + await maybe_deferred_to_future(d) + + +process = CrawlerProcess(settings={}) + +process.crawl(SleepingSpider) +process.start() diff --git a/tests/requirements.txt b/tests/requirements.txt index c07fda2d6..d4bfead40 100644 --- a/tests/requirements.txt +++ b/tests/requirements.txt @@ -1,5 +1,6 @@ # Tests requirements attrs +pexpect >= 4.8.0 pyftpdlib >= 1.5.8 pytest pytest-cov==4.0.0 diff --git a/tests/test_command_shell.py b/tests/test_command_shell.py index 6589381f3..7d87eb62c 100644 --- a/tests/test_command_shell.py +++ b/tests/test_command_shell.py @@ -1,11 +1,15 @@ +import sys +from io import BytesIO from pathlib import Path +from pexpect.popen_spawn import PopenSpawn from twisted.internet import defer from twisted.trial import unittest from scrapy.utils.testproc import ProcessTest from scrapy.utils.testsite import SiteTest from tests import NON_EXISTING_RESOLVABLE, tests_datadir +from tests.mockserver import MockServer class ShellTest(ProcessTest, SiteTest, unittest.TestCase): @@ -133,3 +137,25 @@ class ShellTest(ProcessTest, SiteTest, unittest.TestCase): args = ["-c", code, "--set", f"TWISTED_REACTOR={reactor_path}"] _, _, err = yield self.execute(args, check_code=True) self.assertNotIn(b"RuntimeError: There is no current event loop in thread", err) + + +class InteractiveShellTest(unittest.TestCase): + def test_fetch(self): + args = ( + sys.executable, + "-m", + "scrapy.cmdline", + "shell", + ) + logfile = BytesIO() + p = PopenSpawn(args, timeout=5) + p.logfile_read = logfile + p.expect_exact("Available Scrapy objects") + with MockServer() as mockserver: + p.sendline(f"fetch('{mockserver.url('/')}')") + p.sendline("type(response)") + p.expect_exact("HtmlResponse") + p.sendeof() + p.wait() + logfile.seek(0) + self.assertNotIn("Traceback", logfile.read().decode()) diff --git a/tests/test_crawler.py b/tests/test_crawler.py index 2b141e894..60b92377d 100644 --- a/tests/test_crawler.py +++ b/tests/test_crawler.py @@ -1,13 +1,16 @@ import logging import os import platform +import signal import subprocess import sys import warnings from pathlib import Path +from typing import List import pytest from packaging.version import parse as parse_version +from pexpect.popen_spawn import PopenSpawn from pytest import mark, raises from twisted.internet import defer from twisted.trial import unittest @@ -289,9 +292,12 @@ class ScriptRunnerMixin: script_dir: Path cwd = os.getcwd() - def run_script(self, script_name: str, *script_args): + def get_script_args(self, script_name: str, *script_args: str) -> List[str]: script_path = self.script_dir / script_name - args = [sys.executable, str(script_path)] + list(script_args) + return [sys.executable, str(script_path)] + list(script_args) + + def run_script(self, script_name: str, *script_args: str) -> str: + args = self.get_script_args(script_name, *script_args) p = subprocess.Popen( args, env=get_mockserver_env(), @@ -517,6 +523,29 @@ class CrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): self.assertIn("Spider closed (finished)", log) self.assertIn("The value of FOO is 42", log) + def test_shutdown_graceful(self): + sig = signal.SIGINT if sys.platform != "win32" else signal.SIGBREAK + args = self.get_script_args("sleeping.py") + p = PopenSpawn(args, timeout=5) + p.expect_exact("Spider opened") + p.expect_exact("Crawled (200)") + p.kill(sig) + p.expect_exact("shutting down gracefully") + p.expect_exact("Spider closed (shutdown)") + p.wait() + + def test_shutdown_forced(self): + sig = signal.SIGINT if sys.platform != "win32" else signal.SIGBREAK + args = self.get_script_args("sleeping.py") + p = PopenSpawn(args, timeout=5) + p.expect_exact("Spider opened") + p.expect_exact("Crawled (200)") + p.kill(sig) + p.expect_exact("shutting down gracefully") + p.kill(sig) + p.expect_exact("forcing unclean shutdown") + p.wait() + class CrawlerRunnerSubprocess(ScriptRunnerMixin, unittest.TestCase): script_dir = Path(__file__).parent.resolve() / "CrawlerRunner" From 5e4fb0bc5fc066136b171ce488599b1ddd64c83a Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Tue, 17 Oct 2023 21:24:44 +0400 Subject: [PATCH 015/786] Re-enable uvloop tests on 3.12 (#6098) --- .github/workflows/checks.yml | 4 ++-- .github/workflows/publish.yml | 2 +- .github/workflows/tests-ubuntu.yml | 5 ----- scrapy/contracts/__init__.py | 6 ++++-- tests/requirements.txt | 3 +-- tox.ini | 2 +- 6 files changed, 9 insertions(+), 13 deletions(-) diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml index ee0cb4b1e..f91055ba5 100644 --- a/.github/workflows/checks.yml +++ b/.github/workflows/checks.yml @@ -8,7 +8,7 @@ jobs: fail-fast: false matrix: include: - - python-version: "3.11" + - python-version: "3.12" env: TOXENV: pylint - python-version: 3.8 @@ -17,7 +17,7 @@ jobs: - python-version: "3.11" # Keep in sync with .readthedocs.yml env: TOXENV: docs - - python-version: "3.11" + - python-version: "3.12" env: TOXENV: twinecheck diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml index 22b8996b6..095793299 100644 --- a/.github/workflows/publish.yml +++ b/.github/workflows/publish.yml @@ -11,7 +11,7 @@ jobs: - uses: actions/checkout@v3 - uses: actions/setup-python@v4 with: - python-version: 3.11 + python-version: 3.12 - run: | pip install --upgrade build twine python -m build diff --git a/.github/workflows/tests-ubuntu.yml b/.github/workflows/tests-ubuntu.yml index 62b5f123a..c883f958c 100644 --- a/.github/workflows/tests-ubuntu.yml +++ b/.github/workflows/tests-ubuntu.yml @@ -51,11 +51,6 @@ jobs: env: TOXENV: botocore - # keep until uvloop supports 3.12 - - python-version: "3.11" - env: - TOXENV: asyncio - steps: - uses: actions/checkout@v3 diff --git a/scrapy/contracts/__init__.py b/scrapy/contracts/__init__.py index 1ec2a0234..2d9ddd89a 100644 --- a/scrapy/contracts/__init__.py +++ b/scrapy/contracts/__init__.py @@ -41,7 +41,9 @@ class Contract: cb_result = cb(response, **cb_kwargs) if isinstance(cb_result, (AsyncGenerator, CoroutineType)): raise TypeError("Contracts don't support async callbacks") - return list(iterate_spider_output(cb_result)) + return list( # pylint: disable=return-in-finally + iterate_spider_output(cb_result) + ) request.callback = wrapper @@ -68,7 +70,7 @@ class Contract: else: results.addSuccess(self.testcase_post) finally: - return output + return output # pylint: disable=return-in-finally request.callback = wrapper diff --git a/tests/requirements.txt b/tests/requirements.txt index d4bfead40..5b75674f5 100644 --- a/tests/requirements.txt +++ b/tests/requirements.txt @@ -7,8 +7,7 @@ pytest-cov==4.0.0 pytest-xdist sybil >= 1.3.0 # https://github.com/cjw296/sybil/issues/20#issuecomment-605433422 testfixtures -# uvloop currently doesn't build on 3.12 -uvloop; platform_system != "Windows" and python_version < "3.12" +uvloop; platform_system != "Windows" bpython # optional for shell wrapper tests brotli; implementation_name != 'pypy' # optional for HTTP compress downloader middleware tests diff --git a/tox.ini b/tox.ini index 9c2522a43..381da9773 100644 --- a/tox.ini +++ b/tox.ini @@ -57,7 +57,7 @@ commands = basepython = python3 deps = {[testenv:extra-deps]deps} - pylint==2.17.5 + pylint==3.0.1 commands = pylint conftest.py docs extras scrapy setup.py tests From 1045856a50d379d145e514ec9c7aeeed231aefd6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Mon, 30 Oct 2023 09:35:29 +0100 Subject: [PATCH 016/786] Merge pull request #6112 from wRAR/test-shutdown-forced Make shutdown tests more robust. --- tests/CrawlerProcess/sleeping.py | 2 +- tests/test_command_shell.py | 5 ++++- tests/test_crawler.py | 11 +++++++++-- 3 files changed, 14 insertions(+), 4 deletions(-) diff --git a/tests/CrawlerProcess/sleeping.py b/tests/CrawlerProcess/sleeping.py index 420d9d328..45479ea4f 100644 --- a/tests/CrawlerProcess/sleeping.py +++ b/tests/CrawlerProcess/sleeping.py @@ -14,7 +14,7 @@ class SleepingSpider(scrapy.Spider): from twisted.internet import reactor d = Deferred() - reactor.callLater(3, d.callback, None) + reactor.callLater(int(self.sleep), d.callback, None) await maybe_deferred_to_future(d) diff --git a/tests/test_command_shell.py b/tests/test_command_shell.py index 7d87eb62c..7918d94b2 100644 --- a/tests/test_command_shell.py +++ b/tests/test_command_shell.py @@ -1,3 +1,4 @@ +import os import sys from io import BytesIO from pathlib import Path @@ -147,8 +148,10 @@ class InteractiveShellTest(unittest.TestCase): "scrapy.cmdline", "shell", ) + env = os.environ.copy() + env["SCRAPY_PYTHON_SHELL"] = "python" logfile = BytesIO() - p = PopenSpawn(args, timeout=5) + p = PopenSpawn(args, env=env, timeout=5) p.logfile_read = logfile p.expect_exact("Available Scrapy objects") with MockServer() as mockserver: diff --git a/tests/test_crawler.py b/tests/test_crawler.py index 60b92377d..0a7f9bac8 100644 --- a/tests/test_crawler.py +++ b/tests/test_crawler.py @@ -525,7 +525,7 @@ class CrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): def test_shutdown_graceful(self): sig = signal.SIGINT if sys.platform != "win32" else signal.SIGBREAK - args = self.get_script_args("sleeping.py") + args = self.get_script_args("sleeping.py", "-a", "sleep=3") p = PopenSpawn(args, timeout=5) p.expect_exact("Spider opened") p.expect_exact("Crawled (200)") @@ -534,14 +534,21 @@ class CrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): p.expect_exact("Spider closed (shutdown)") p.wait() + @defer.inlineCallbacks def test_shutdown_forced(self): + from twisted.internet import reactor + sig = signal.SIGINT if sys.platform != "win32" else signal.SIGBREAK - args = self.get_script_args("sleeping.py") + args = self.get_script_args("sleeping.py", "-a", "sleep=10") p = PopenSpawn(args, timeout=5) p.expect_exact("Spider opened") p.expect_exact("Crawled (200)") p.kill(sig) p.expect_exact("shutting down gracefully") + # sending the second signal too fast often causes problems + d = defer.Deferred() + reactor.callLater(0.1, d.callback, None) + yield d p.kill(sig) p.expect_exact("forcing unclean shutdown") p.wait() From 150f9d6d888970d5f164387761989aba59e830c0 Mon Sep 17 00:00:00 2001 From: Jessica Allman-LaPorte Date: Fri, 3 Nov 2023 05:02:18 -0400 Subject: [PATCH 017/786] Make shell switching more clear in the tutorial (#6128) --- docs/intro/tutorial.rst | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/docs/intro/tutorial.rst b/docs/intro/tutorial.rst index 19a76fc16..8ea98f29b 100644 --- a/docs/intro/tutorial.rst +++ b/docs/intro/tutorial.rst @@ -493,7 +493,15 @@ in the callback, as you can see below: "tags": quote.css("div.tags a.tag::text").getall(), } -If you run this spider, it will output the extracted data with the log:: +To run this spider, exit the scrapy shell by entering:: + + quit() + +Then, run:: + + scrapy crawl quotes + +Now, it should output the extracted data with the log:: 2016-09-19 18:57:19 [scrapy.core.scraper] DEBUG: Scraped from <200 https://quotes.toscrape.com/page/1/> {'tags': ['life', 'love'], 'author': 'André Gide', 'text': '“It is better to be hated for what you are than to be loved for what you are not.”'} From 49b284ab8508d3400582781343ea8171980b1e70 Mon Sep 17 00:00:00 2001 From: Kiran <75929997+Kiran1689@users.noreply.github.com> Date: Tue, 14 Nov 2023 00:43:10 +0530 Subject: [PATCH 018/786] Updated README.rst (#6144) --- README.rst | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/README.rst b/README.rst index 1918850d6..14adff648 100644 --- a/README.rst +++ b/README.rst @@ -17,9 +17,10 @@ Scrapy :target: https://github.com/scrapy/scrapy/actions?query=workflow%3AUbuntu :alt: Ubuntu -.. image:: https://github.com/scrapy/scrapy/workflows/macOS/badge.svg - :target: https://github.com/scrapy/scrapy/actions?query=workflow%3AmacOS - :alt: macOS +.. .. image:: https://github.com/scrapy/scrapy/workflows/macOS/badge.svg + .. :target: https://github.com/scrapy/scrapy/actions?query=workflow%3AmacOS + .. :alt: macOS + .. image:: https://github.com/scrapy/scrapy/workflows/Windows/badge.svg :target: https://github.com/scrapy/scrapy/actions?query=workflow%3AWindows @@ -41,7 +42,7 @@ Scrapy Overview ======== -Scrapy is a fast high-level web crawling and web scraping framework, used to +Scrapy is a BSD-licensed fast high-level web crawling and web scraping framework, used to crawl websites and extract structured data from their pages. It can be used for a wide range of purposes, from data mining to monitoring and automated testing. @@ -110,4 +111,4 @@ See https://scrapy.org/companies/ for a list. Commercial Support ================== -See https://scrapy.org/support/ for details. +See https://scrapy.org/support/ for details. \ No newline at end of file From 6969041c5f6891a0298d7e68ece762adee1bb222 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 22 Nov 2023 15:52:00 +0100 Subject: [PATCH 019/786] Protect against gzip bombs --- .../downloadermiddlewares/httpcompression.py | 26 +++++++++++----- scrapy/utils/_compression.py | 2 ++ scrapy/utils/gz.py | 14 +++++++-- tests/sample_data/compressed/bomb-gzip.bin | Bin 0 -> 27988 bytes ...st_downloadermiddleware_httpcompression.py | 29 ++++++++++++++++-- 5 files changed, 59 insertions(+), 12 deletions(-) create mode 100644 scrapy/utils/_compression.py create mode 100644 tests/sample_data/compressed/bomb-gzip.bin diff --git a/scrapy/downloadermiddlewares/httpcompression.py b/scrapy/downloadermiddlewares/httpcompression.py index ead426951..5dd67ea87 100644 --- a/scrapy/downloadermiddlewares/httpcompression.py +++ b/scrapy/downloadermiddlewares/httpcompression.py @@ -2,9 +2,10 @@ import io import warnings import zlib -from scrapy.exceptions import NotConfigured +from scrapy.exceptions import IgnoreRequest, NotConfigured from scrapy.http import Response, TextResponse from scrapy.responsetypes import responsetypes +from scrapy.utils._compression import _DecompressionMaxSizeExceeded from scrapy.utils.deprecate import ScrapyDeprecationWarning from scrapy.utils.gz import gunzip @@ -29,24 +30,26 @@ class HttpCompressionMiddleware: """This middleware allows compressed (gzip, deflate) traffic to be sent/received from web sites""" - def __init__(self, stats=None): - self.stats = stats + def __init__(self, crawler=None): + self.stats = crawler.stats + self._max_size = crawler.settings.getint("DOWNLOAD_MAXSIZE") @classmethod def from_crawler(cls, crawler): if not crawler.settings.getbool("COMPRESSION_ENABLED"): raise NotConfigured try: - return cls(stats=crawler.stats) + return cls(crawler=crawler) except TypeError: warnings.warn( "HttpCompressionMiddleware subclasses must either modify " - "their '__init__' method to support a 'stats' parameter or " - "reimplement the 'from_crawler' method.", + "their '__init__' method to support a 'crawler' parameter or " + "reimplement their 'from_crawler' method.", ScrapyDeprecationWarning, ) result = cls() result.stats = crawler.stats + result._max_size = crawler.settings.getint("DOWNLOAD_MAXSIZE") return result def process_request(self, request, spider): @@ -59,7 +62,14 @@ class HttpCompressionMiddleware: content_encoding = response.headers.getlist("Content-Encoding") if content_encoding: encoding = content_encoding.pop() - decoded_body = self._decode(response.body, encoding.lower()) + try: + decoded_body = self._decode(response.body, encoding.lower()) + except _DecompressionMaxSizeExceeded: + raise IgnoreRequest( + f"Ignored response {response} because its body " + f"({len(response.body)}B) exceeded DOWNLOAD_MAXSIZE " + f"({self._max_size}B) during decompression." + ) if self.stats: self.stats.inc_value( "httpcompression/response_bytes", @@ -85,7 +95,7 @@ class HttpCompressionMiddleware: def _decode(self, body, encoding): if encoding == b"gzip" or encoding == b"x-gzip": - body = gunzip(body) + body = gunzip(body, max_size=self._max_size) if encoding == b"deflate": try: diff --git a/scrapy/utils/_compression.py b/scrapy/utils/_compression.py new file mode 100644 index 000000000..e726a70f5 --- /dev/null +++ b/scrapy/utils/_compression.py @@ -0,0 +1,2 @@ +class _DecompressionMaxSizeExceeded(ValueError): + pass diff --git a/scrapy/utils/gz.py b/scrapy/utils/gz.py index c7f74030e..cd5059a5c 100644 --- a/scrapy/utils/gz.py +++ b/scrapy/utils/gz.py @@ -5,8 +5,10 @@ from typing import List from scrapy.http import Response +from ._compression import _DecompressionMaxSizeExceeded -def gunzip(data: bytes) -> bytes: + +def gunzip(data: bytes, max_size: int = 0) -> bytes: """Gunzip the given data and return as much data as possible. This is resilient to CRC checksum errors. @@ -14,10 +16,10 @@ def gunzip(data: bytes) -> bytes: f = GzipFile(fileobj=BytesIO(data)) output_list: List[bytes] = [] chunk = b"." + decompressed_size = 0 while chunk: try: chunk = f.read1(8196) - output_list.append(chunk) except (OSError, EOFError, struct.error): # complete only if there is some data, otherwise re-raise # see issue 87 about catching struct.error @@ -25,6 +27,14 @@ def gunzip(data: bytes) -> bytes: if output_list: break raise + decompressed_size += len(chunk) + if max_size and decompressed_size > max_size: + raise _DecompressionMaxSizeExceeded( + f"The number of bytes decompressed so far " + f"({decompressed_size}B) exceed the specified maximum " + f"({max_size}B)." + ) + output_list.append(chunk) return b"".join(output_list) diff --git a/tests/sample_data/compressed/bomb-gzip.bin b/tests/sample_data/compressed/bomb-gzip.bin new file mode 100644 index 0000000000000000000000000000000000000000..64aa0c3696cc1c6d86d218c70635d88f2035ec9e GIT binary patch literal 27988 zcmeIyElY!86b9f&oiK|G(Y#;~27Xl0-yq1UE0YN_<|{r6TM$G+ga1HfWkC=@i}}T- zAQQ0;tA;J=f*|@M2A1oDJDzYj_mw}*X4m_rN*LQrYP)-t7`Kz1`EpV#FVq|L(0ja} zI9SSs+qBrtti6t3Pxsob#`n?W)Wc%`Y$l!UY&@@AZN0t3&;4p=`TZgaH}D5)fC3Vd zkc1>8Aqh!HLK2dYgd`*(2}wvo5|WUFBqSjTNk~Exl8}TXBq0e&NJ0{lkc1>8Aqh!H zLK2dYgd`*(2}wvo5|WUFBqSjTNk~Exl8}TXBq0e&NJ0{lkc1>8Aqh!HLK2d2h!PI& z=1wx8 S;eSfl{TO{ZZ^qTjoA3)j<4WiN literal 0 HcmV?d00001 diff --git a/tests/test_downloadermiddleware_httpcompression.py b/tests/test_downloadermiddleware_httpcompression.py index 9dad056de..f834e78f5 100644 --- a/tests/test_downloadermiddleware_httpcompression.py +++ b/tests/test_downloadermiddleware_httpcompression.py @@ -10,7 +10,7 @@ from scrapy.downloadermiddlewares.httpcompression import ( ACCEPTED_ENCODINGS, HttpCompressionMiddleware, ) -from scrapy.exceptions import NotConfigured, ScrapyDeprecationWarning +from scrapy.exceptions import IgnoreRequest, NotConfigured, ScrapyDeprecationWarning from scrapy.http import HtmlResponse, Request, Response from scrapy.responsetypes import responsetypes from scrapy.spiders import Spider @@ -35,12 +35,24 @@ FORMAT = { "html-zstd-streaming-no-content-size.bin", "zstd", ), + **{ + f"bomb-{format_id}": (f"bomb-{format_id}.bin", format_id) + for format_id in ( + # "br", + "gzip", # 27 988 → 11 511 612 + # "deflate", + # "zstd", + ) + }, } class HttpCompressionTest(TestCase): def setUp(self): - self.crawler = get_crawler(Spider) + settings = { + "DOWNLOAD_MAXSIZE": 10_000_000, # For compression bomb tests. + } + self.crawler = get_crawler(Spider, settings_dict=settings) self.spider = self.crawler._create_spider("scrapytest.org") self.mw = HttpCompressionMiddleware.from_crawler(self.crawler) self.crawler.stats.open_spider(self.spider) @@ -373,6 +385,19 @@ class HttpCompressionTest(TestCase): self.assertStatsEqual("httpcompression/response_count", None) self.assertStatsEqual("httpcompression/response_bytes", None) + def _test_compression_bomb(self, compression_id): + response = self._getresponse(f"bomb-{compression_id}") + self.assertRaises( + IgnoreRequest, + self.mw.process_response, + response.request, + response, + self.spider, + ) + + def test_compression_bomb_gzip(self): + self._test_compression_bomb("gzip") + class HttpCompressionSubclassTest(TestCase): def test_init_missing_stats(self): From 0bf29a7b1b9b6a641c486780b7b0fa455577bf39 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 22 Nov 2023 16:10:50 +0100 Subject: [PATCH 020/786] Update test expectations --- scrapy/downloadermiddlewares/httpcompression.py | 4 +++- .../test_downloadermiddleware_httpcompression.py | 16 ++-------------- 2 files changed, 5 insertions(+), 15 deletions(-) diff --git a/scrapy/downloadermiddlewares/httpcompression.py b/scrapy/downloadermiddlewares/httpcompression.py index 5dd67ea87..0fec05a14 100644 --- a/scrapy/downloadermiddlewares/httpcompression.py +++ b/scrapy/downloadermiddlewares/httpcompression.py @@ -30,7 +30,9 @@ class HttpCompressionMiddleware: """This middleware allows compressed (gzip, deflate) traffic to be sent/received from web sites""" - def __init__(self, crawler=None): + def __init__(self, *, crawler=None): + if not crawler: + return self.stats = crawler.stats self._max_size = crawler.settings.getint("DOWNLOAD_MAXSIZE") diff --git a/tests/test_downloadermiddleware_httpcompression.py b/tests/test_downloadermiddleware_httpcompression.py index f834e78f5..f5dedd28d 100644 --- a/tests/test_downloadermiddleware_httpcompression.py +++ b/tests/test_downloadermiddleware_httpcompression.py @@ -127,18 +127,6 @@ class HttpCompressionTest(TestCase): self.assertStatsEqual("httpcompression/response_count", 1) self.assertStatsEqual("httpcompression/response_bytes", 74837) - def test_process_response_gzip_no_stats(self): - mw = HttpCompressionMiddleware() - response = self._getresponse("gzip") - request = response.request - - self.assertEqual(response.headers["Content-Encoding"], b"gzip") - newresponse = mw.process_response(request, response, self.spider) - self.assertEqual(mw.stats, None) - assert newresponse is not response - assert newresponse.body.startswith(b" Date: Wed, 22 Nov 2023 17:12:43 +0100 Subject: [PATCH 021/786] Protect against deflate bombs --- .../downloadermiddlewares/httpcompression.py | 20 +++------ scrapy/utils/_compression.py | 39 ++++++++++++++++++ scrapy/utils/gz.py | 2 +- tests/sample_data/compressed/bomb-deflate.bin | Bin 0 -> 27968 bytes ...st_downloadermiddleware_httpcompression.py | 5 ++- 5 files changed, 49 insertions(+), 17 deletions(-) create mode 100644 tests/sample_data/compressed/bomb-deflate.bin diff --git a/scrapy/downloadermiddlewares/httpcompression.py b/scrapy/downloadermiddlewares/httpcompression.py index 0fec05a14..8cec87c47 100644 --- a/scrapy/downloadermiddlewares/httpcompression.py +++ b/scrapy/downloadermiddlewares/httpcompression.py @@ -1,11 +1,10 @@ import io import warnings -import zlib from scrapy.exceptions import IgnoreRequest, NotConfigured from scrapy.http import Response, TextResponse from scrapy.responsetypes import responsetypes -from scrapy.utils._compression import _DecompressionMaxSizeExceeded +from scrapy.utils._compression import _DecompressionMaxSizeExceeded, _inflate from scrapy.utils.deprecate import ScrapyDeprecationWarning from scrapy.utils.gz import gunzip @@ -97,23 +96,14 @@ class HttpCompressionMiddleware: def _decode(self, body, encoding): if encoding == b"gzip" or encoding == b"x-gzip": - body = gunzip(body, max_size=self._max_size) - + return gunzip(body, max_size=self._max_size) if encoding == b"deflate": - try: - body = zlib.decompress(body) - except zlib.error: - # ugly hack to work with raw deflate content that may - # be sent by microsoft servers. For more information, see: - # http://carsten.codimi.de/gzip.yaws/ - # http://www.port80software.com/200ok/archive/2005/10/31/868.aspx - # http://www.gzip.org/zlib/zlib_faq.html#faq38 - body = zlib.decompress(body, -15) + return _inflate(body, max_size=self._max_size) if encoding == b"br" and b"br" in ACCEPTED_ENCODINGS: - body = brotli.decompress(body) + return brotli.decompress(body) if encoding == b"zstd" and b"zstd" in ACCEPTED_ENCODINGS: # Using its streaming API since its simple API could handle only cases # where there is content size data embedded in the frame reader = zstandard.ZstdDecompressor().stream_reader(io.BytesIO(body)) - body = reader.read() + return reader.read() return body diff --git a/scrapy/utils/_compression.py b/scrapy/utils/_compression.py index e726a70f5..34bf2e4f7 100644 --- a/scrapy/utils/_compression.py +++ b/scrapy/utils/_compression.py @@ -1,2 +1,41 @@ +import zlib +from io import BytesIO +from typing import List + + class _DecompressionMaxSizeExceeded(ValueError): pass + + +def _inflate(data: bytes, *, max_size: int = 0) -> bytes: + decompressor = zlib.decompressobj() + raw_decompressor = zlib.decompressobj(wbits=-15) + input_stream = BytesIO(data) + output_list: List[bytes] = [] + output_chunk = b"." + decompressed_size = 0 + CHUNK_SIZE = 8196 + while output_chunk: + input_chunk = input_stream.read(CHUNK_SIZE) + try: + output_chunk = decompressor.decompress(input_chunk) + except zlib.error: + if decompressor != raw_decompressor: + # ugly hack to work with raw deflate content that may + # be sent by microsoft servers. For more information, see: + # http://carsten.codimi.de/gzip.yaws/ + # http://www.port80software.com/200ok/archive/2005/10/31/868.aspx + # http://www.gzip.org/zlib/zlib_faq.html#faq38 + decompressor = raw_decompressor + output_chunk = decompressor.decompress(input_chunk) + else: + raise + decompressed_size += len(output_chunk) + if max_size and decompressed_size > max_size: + raise _DecompressionMaxSizeExceeded( + f"The number of bytes decompressed so far " + f"({decompressed_size}B) exceed the specified maximum " + f"({max_size}B)." + ) + output_list.append(output_chunk) + return b"".join(output_list) diff --git a/scrapy/utils/gz.py b/scrapy/utils/gz.py index cd5059a5c..548134721 100644 --- a/scrapy/utils/gz.py +++ b/scrapy/utils/gz.py @@ -8,7 +8,7 @@ from scrapy.http import Response from ._compression import _DecompressionMaxSizeExceeded -def gunzip(data: bytes, max_size: int = 0) -> bytes: +def gunzip(data: bytes, *, max_size: int = 0) -> bytes: """Gunzip the given data and return as much data as possible. This is resilient to CRC checksum errors. diff --git a/tests/sample_data/compressed/bomb-deflate.bin b/tests/sample_data/compressed/bomb-deflate.bin new file mode 100644 index 0000000000000000000000000000000000000000..3598aca0777ec2511a721e9655cabb8c21c658bd GIT binary patch literal 27968 zcmeI&u}VS#6b9f+=-?6}`2-Gb=^8GEdrPzhZ7q%$M35jzaB^}JadC@=dVsh@OD>AI zMF>rSC{CdeWcdhg3f~#dd^nu*O@FmB>%Sy!^U2^bI{%2BjpGkTvtGCQb9b0}%gx*A zC^NVm7VfVnqwxEtJUIF4gqj_=18;x=5|WUFBqSjTNk~Exl8}TXBq0e&NJ0{lkc1>8 zAqh!HLK2dYgd`*(2}wvo5|VI-C0ssb8?oTOioa2%K7C$JY75N{+<`Yh0SQS+LK2dY zgd`*(2}wvo5|WUFBqSjTNk~Exl8}TXBq0e&NJ0{lkc1>8Aqh#iPZGYjN(Y-T;OY9R z_8O#jIJamt;d0?};d0?}5|WUFBqSjTNk~Exl8}TXBq0e&NJ0{lkc1>8Aqh#im4waX I@bhBz2V-bE-2eap literal 0 HcmV?d00001 diff --git a/tests/test_downloadermiddleware_httpcompression.py b/tests/test_downloadermiddleware_httpcompression.py index f5dedd28d..3af8202cc 100644 --- a/tests/test_downloadermiddleware_httpcompression.py +++ b/tests/test_downloadermiddleware_httpcompression.py @@ -39,8 +39,8 @@ FORMAT = { f"bomb-{format_id}": (f"bomb-{format_id}.bin", format_id) for format_id in ( # "br", + "deflate", # 27 968 → 11 511 612 "gzip", # 27 988 → 11 511 612 - # "deflate", # "zstd", ) }, @@ -383,6 +383,9 @@ class HttpCompressionTest(TestCase): self.spider, ) + def test_compression_bomb_deflate(self): + self._test_compression_bomb("deflate") + def test_compression_bomb_gzip(self): self._test_compression_bomb("gzip") From fba167c5e1f356bcc452e95e92199f1a15135c60 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 22 Nov 2023 17:32:09 +0100 Subject: [PATCH 022/786] Protect against brotli bombs --- .../downloadermiddlewares/httpcompression.py | 14 +++++----- scrapy/utils/_compression.py | 26 +++++++++++++++++++ tests/sample_data/compressed/bomb-br.bin | 2 ++ ...st_downloadermiddleware_httpcompression.py | 9 ++++++- 4 files changed, 43 insertions(+), 8 deletions(-) create mode 100644 tests/sample_data/compressed/bomb-br.bin diff --git a/scrapy/downloadermiddlewares/httpcompression.py b/scrapy/downloadermiddlewares/httpcompression.py index 8cec87c47..91748e57e 100644 --- a/scrapy/downloadermiddlewares/httpcompression.py +++ b/scrapy/downloadermiddlewares/httpcompression.py @@ -4,25 +4,25 @@ import warnings from scrapy.exceptions import IgnoreRequest, NotConfigured from scrapy.http import Response, TextResponse from scrapy.responsetypes import responsetypes -from scrapy.utils._compression import _DecompressionMaxSizeExceeded, _inflate +from scrapy.utils._compression import _DecompressionMaxSizeExceeded, _inflate, _unbrotli from scrapy.utils.deprecate import ScrapyDeprecationWarning from scrapy.utils.gz import gunzip ACCEPTED_ENCODINGS = [b"gzip", b"deflate"] try: - import brotli - - ACCEPTED_ENCODINGS.append(b"br") + import brotli # noqa: F401 except ImportError: pass +else: + ACCEPTED_ENCODINGS.append(b"br") try: import zstandard - - ACCEPTED_ENCODINGS.append(b"zstd") except ImportError: pass +else: + ACCEPTED_ENCODINGS.append(b"zstd") class HttpCompressionMiddleware: @@ -100,7 +100,7 @@ class HttpCompressionMiddleware: if encoding == b"deflate": return _inflate(body, max_size=self._max_size) if encoding == b"br" and b"br" in ACCEPTED_ENCODINGS: - return brotli.decompress(body) + return _unbrotli(body, max_size=self._max_size) if encoding == b"zstd" and b"zstd" in ACCEPTED_ENCODINGS: # Using its streaming API since its simple API could handle only cases # where there is content size data embedded in the frame diff --git a/scrapy/utils/_compression.py b/scrapy/utils/_compression.py index 34bf2e4f7..9a32ce4f0 100644 --- a/scrapy/utils/_compression.py +++ b/scrapy/utils/_compression.py @@ -2,6 +2,11 @@ import zlib from io import BytesIO from typing import List +try: + import brotli +except ImportError: + pass + class _DecompressionMaxSizeExceeded(ValueError): pass @@ -39,3 +44,24 @@ def _inflate(data: bytes, *, max_size: int = 0) -> bytes: ) output_list.append(output_chunk) return b"".join(output_list) + + +def _unbrotli(data: bytes, *, max_size: int = 0) -> bytes: + decompressor = brotli.Decompressor() + input_stream = BytesIO(data) + output_list: List[bytes] = [] + output_chunk = b"." + decompressed_size = 0 + CHUNK_SIZE = 8196 + while output_chunk: + input_chunk = input_stream.read(CHUNK_SIZE) + output_chunk = decompressor.process(input_chunk) + decompressed_size += len(output_chunk) + if max_size and decompressed_size > max_size: + raise _DecompressionMaxSizeExceeded( + f"The number of bytes decompressed so far " + f"({decompressed_size}B) exceed the specified maximum " + f"({max_size}B)." + ) + output_list.append(output_chunk) + return b"".join(output_list) diff --git a/tests/sample_data/compressed/bomb-br.bin b/tests/sample_data/compressed/bomb-br.bin new file mode 100644 index 000000000..50059866f --- /dev/null +++ b/tests/sample_data/compressed/bomb-br.bin @@ -0,0 +1,2 @@ +;nުVp SmoY2 +()-д=_o \ No newline at end of file diff --git a/tests/test_downloadermiddleware_httpcompression.py b/tests/test_downloadermiddleware_httpcompression.py index 3af8202cc..8858916bc 100644 --- a/tests/test_downloadermiddleware_httpcompression.py +++ b/tests/test_downloadermiddleware_httpcompression.py @@ -38,7 +38,7 @@ FORMAT = { **{ f"bomb-{format_id}": (f"bomb-{format_id}.bin", format_id) for format_id in ( - # "br", + "br", # 34 → 11 511 612 "deflate", # 27 968 → 11 511 612 "gzip", # 27 988 → 11 511 612 # "zstd", @@ -383,6 +383,13 @@ class HttpCompressionTest(TestCase): self.spider, ) + def test_compression_bomb_br(self): + try: + import brotli # noqa: F401 + except ImportError: + raise SkipTest("no brotli") + self._test_compression_bomb("br") + def test_compression_bomb_deflate(self): self._test_compression_bomb("deflate") From 9cc870387745f45f744ceef6ed226eefcce0e066 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 22 Nov 2023 17:53:00 +0100 Subject: [PATCH 023/786] Protect against zstandard bombs --- .../downloadermiddlewares/httpcompression.py | 15 ++++++----- scrapy/utils/_compression.py | 25 ++++++++++++++++++ tests/sample_data/compressed/bomb-zstd.bin | Bin 0 -> 1096 bytes ...st_downloadermiddleware_httpcompression.py | 5 +++- 4 files changed, 37 insertions(+), 8 deletions(-) create mode 100644 tests/sample_data/compressed/bomb-zstd.bin diff --git a/scrapy/downloadermiddlewares/httpcompression.py b/scrapy/downloadermiddlewares/httpcompression.py index 91748e57e..8ee1d95a6 100644 --- a/scrapy/downloadermiddlewares/httpcompression.py +++ b/scrapy/downloadermiddlewares/httpcompression.py @@ -1,10 +1,14 @@ -import io import warnings from scrapy.exceptions import IgnoreRequest, NotConfigured from scrapy.http import Response, TextResponse from scrapy.responsetypes import responsetypes -from scrapy.utils._compression import _DecompressionMaxSizeExceeded, _inflate, _unbrotli +from scrapy.utils._compression import ( + _DecompressionMaxSizeExceeded, + _inflate, + _unbrotli, + _unzstd, +) from scrapy.utils.deprecate import ScrapyDeprecationWarning from scrapy.utils.gz import gunzip @@ -18,7 +22,7 @@ else: ACCEPTED_ENCODINGS.append(b"br") try: - import zstandard + import zstandard # noqa: F401 except ImportError: pass else: @@ -102,8 +106,5 @@ class HttpCompressionMiddleware: if encoding == b"br" and b"br" in ACCEPTED_ENCODINGS: return _unbrotli(body, max_size=self._max_size) if encoding == b"zstd" and b"zstd" in ACCEPTED_ENCODINGS: - # Using its streaming API since its simple API could handle only cases - # where there is content size data embedded in the frame - reader = zstandard.ZstdDecompressor().stream_reader(io.BytesIO(body)) - return reader.read() + return _unzstd(body, max_size=self._max_size) return body diff --git a/scrapy/utils/_compression.py b/scrapy/utils/_compression.py index 9a32ce4f0..93aa254b2 100644 --- a/scrapy/utils/_compression.py +++ b/scrapy/utils/_compression.py @@ -7,6 +7,11 @@ try: except ImportError: pass +try: + import zstandard +except ImportError: + pass + class _DecompressionMaxSizeExceeded(ValueError): pass @@ -65,3 +70,23 @@ def _unbrotli(data: bytes, *, max_size: int = 0) -> bytes: ) output_list.append(output_chunk) return b"".join(output_list) + + +def _unzstd(data: bytes, *, max_size: int = 0) -> bytes: + decompressor = zstandard.ZstdDecompressor() + stream_reader = decompressor.stream_reader(BytesIO(data)) + output_list: List[bytes] = [] + output_chunk = b"." + decompressed_size = 0 + CHUNK_SIZE = 8196 + while output_chunk: + output_chunk = stream_reader.read(CHUNK_SIZE) + decompressed_size += len(output_chunk) + if max_size and decompressed_size > max_size: + raise _DecompressionMaxSizeExceeded( + f"The number of bytes decompressed so far " + f"({decompressed_size}B) exceed the specified maximum " + f"({max_size}B)." + ) + output_list.append(output_chunk) + return b"".join(output_list) diff --git a/tests/sample_data/compressed/bomb-zstd.bin b/tests/sample_data/compressed/bomb-zstd.bin new file mode 100644 index 0000000000000000000000000000000000000000..4b0efa8a41c88a38dffe7cea9e4a6726bdb137c4 GIT binary patch literal 1096 zcmdPcs{gko!e;q;1{Fqz2O$}m#R@=_sF0kWTTql*T%4Jor;wDNo219Z$k6h?-fpfB z0|SQwBg3EnmI6#5b|Mlx7l~br#Lh!vBdZBP5+5~lG&~1uT5@4vU|?kU`+vT_!f29* VWPM*?)(2)~i{-##pxebr9RRD(6-595 literal 0 HcmV?d00001 diff --git a/tests/test_downloadermiddleware_httpcompression.py b/tests/test_downloadermiddleware_httpcompression.py index 8858916bc..7babd1318 100644 --- a/tests/test_downloadermiddleware_httpcompression.py +++ b/tests/test_downloadermiddleware_httpcompression.py @@ -41,7 +41,7 @@ FORMAT = { "br", # 34 → 11 511 612 "deflate", # 27 968 → 11 511 612 "gzip", # 27 988 → 11 511 612 - # "zstd", + "zstd", # 1 096 → 11 511 612 ) }, } @@ -396,6 +396,9 @@ class HttpCompressionTest(TestCase): def test_compression_bomb_gzip(self): self._test_compression_bomb("gzip") + def test_compression_bomb_zstd(self): + self._test_compression_bomb("zstd") + class HttpCompressionSubclassTest(TestCase): def test_init_missing_stats(self): From 3fda2fe103dafa8d4d48b21c63b2321ccec9c378 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 22 Nov 2023 18:34:37 +0100 Subject: [PATCH 024/786] Protect against gzip bomb sitemaps --- scrapy/spiders/sitemap.py | 8 +++++++- tests/test_spider.py | 15 +++++++++++++-- 2 files changed, 20 insertions(+), 3 deletions(-) diff --git a/scrapy/spiders/sitemap.py b/scrapy/spiders/sitemap.py index aaf75a519..cc8b13cc3 100644 --- a/scrapy/spiders/sitemap.py +++ b/scrapy/spiders/sitemap.py @@ -3,6 +3,7 @@ import re from scrapy.http import Request, XmlResponse from scrapy.spiders import Spider +from scrapy.utils._compression import _DecompressionMaxSizeExceeded from scrapy.utils.gz import gunzip, gzip_magic_number from scrapy.utils.sitemap import Sitemap, sitemap_urls_from_robots @@ -71,7 +72,12 @@ class SitemapSpider(Spider): if isinstance(response, XmlResponse): return response.body if gzip_magic_number(response): - return gunzip(response.body) + try: + return gunzip( + response.body, max_size=self.settings.getint("DOWNLOAD_MAXSIZE") + ) + except _DecompressionMaxSizeExceeded: + return None # actual gzipped sitemap files are decompressed above ; # if we are here (response body is not gzipped) # and have a response for .xml.gz, diff --git a/tests/test_spider.py b/tests/test_spider.py index 00da3d485..875ff5454 100644 --- a/tests/test_spider.py +++ b/tests/test_spider.py @@ -2,6 +2,7 @@ import gzip import inspect import warnings from io import BytesIO +from pathlib import Path from typing import Any from unittest import mock @@ -25,7 +26,7 @@ from scrapy.spiders import ( ) from scrapy.spiders.init import InitSpider from scrapy.utils.test import get_crawler -from tests import get_testdata +from tests import get_testdata, tests_datadir class SpiderTest(unittest.TestCase): @@ -489,7 +490,8 @@ class SitemapSpiderTest(SpiderTest): GZBODY = f.getvalue() def assertSitemapBody(self, response, body): - spider = self.spider_class("example.com") + crawler = get_crawler() + spider = self.spider_class.from_crawler(crawler, "example.com") self.assertEqual(spider._get_sitemap_body(response), body) def test_get_sitemap_body(self): @@ -692,6 +694,15 @@ Sitemap: /sitemap-relative-url.xml ["http://www.example.com/sitemap2.xml"], ) + def test_compression_bomb(self): + settings = {"DOWNLOAD_MAXSIZE": 10_000_000} + crawler = get_crawler(settings_dict=settings) + spider = self.spider_class.from_crawler(crawler, "example.com") + body_path = Path(tests_datadir, "compressed", "bomb-gzip.bin") + body = body_path.read_bytes() + response = Response(url="https://example.com", body=body) + self.assertIsNone(spider._get_sitemap_body(response)) + class DeprecationTest(unittest.TestCase): def test_crawl_spider(self): From e0b66c021ae20cdcc24e4bb02ffae56005d3a073 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 22 Nov 2023 19:03:24 +0100 Subject: [PATCH 025/786] Mind Spider.download_maxsize and Request.meta['download_maxsize'] --- .../downloadermiddlewares/httpcompression.py | 30 ++++-- scrapy/spiders/sitemap.py | 10 +- ...st_downloadermiddleware_httpcompression.py | 99 ++++++++++++++++--- tests/test_spider.py | 35 ++++++- 4 files changed, 143 insertions(+), 31 deletions(-) diff --git a/scrapy/downloadermiddlewares/httpcompression.py b/scrapy/downloadermiddlewares/httpcompression.py index 8ee1d95a6..e6463307e 100644 --- a/scrapy/downloadermiddlewares/httpcompression.py +++ b/scrapy/downloadermiddlewares/httpcompression.py @@ -1,5 +1,6 @@ import warnings +from scrapy import signals from scrapy.exceptions import IgnoreRequest, NotConfigured from scrapy.http import Response, TextResponse from scrapy.responsetypes import responsetypes @@ -38,6 +39,7 @@ class HttpCompressionMiddleware: return self.stats = crawler.stats self._max_size = crawler.settings.getint("DOWNLOAD_MAXSIZE") + crawler.signals.connect(self.open_spider, signals.spider_opened) @classmethod def from_crawler(cls, crawler): @@ -52,10 +54,15 @@ class HttpCompressionMiddleware: "reimplement their 'from_crawler' method.", ScrapyDeprecationWarning, ) - result = cls() - result.stats = crawler.stats - result._max_size = crawler.settings.getint("DOWNLOAD_MAXSIZE") - return result + spider = cls() + spider.stats = crawler.stats + spider._max_size = crawler.settings.getint("DOWNLOAD_MAXSIZE") + crawler.signals.connect(spider.open_spider, signals.spider_opened) + return spider + + def open_spider(self, spider): + if hasattr(spider, "download_maxsize"): + self._max_size = spider.download_maxsize def process_request(self, request, spider): request.headers.setdefault("Accept-Encoding", b", ".join(ACCEPTED_ENCODINGS)) @@ -67,8 +74,11 @@ class HttpCompressionMiddleware: content_encoding = response.headers.getlist("Content-Encoding") if content_encoding: encoding = content_encoding.pop() + max_size = request.meta.get("download_maxsize", self._max_size) try: - decoded_body = self._decode(response.body, encoding.lower()) + decoded_body = self._decode( + response.body, encoding.lower(), max_size + ) except _DecompressionMaxSizeExceeded: raise IgnoreRequest( f"Ignored response {response} because its body " @@ -98,13 +108,13 @@ class HttpCompressionMiddleware: return response - def _decode(self, body, encoding): + def _decode(self, body, encoding, max_size): if encoding == b"gzip" or encoding == b"x-gzip": - return gunzip(body, max_size=self._max_size) + return gunzip(body, max_size=max_size) if encoding == b"deflate": - return _inflate(body, max_size=self._max_size) + return _inflate(body, max_size=max_size) if encoding == b"br" and b"br" in ACCEPTED_ENCODINGS: - return _unbrotli(body, max_size=self._max_size) + return _unbrotli(body, max_size=max_size) if encoding == b"zstd" and b"zstd" in ACCEPTED_ENCODINGS: - return _unzstd(body, max_size=self._max_size) + return _unzstd(body, max_size=max_size) return body diff --git a/scrapy/spiders/sitemap.py b/scrapy/spiders/sitemap.py index cc8b13cc3..3bca3f5c2 100644 --- a/scrapy/spiders/sitemap.py +++ b/scrapy/spiders/sitemap.py @@ -72,10 +72,14 @@ class SitemapSpider(Spider): if isinstance(response, XmlResponse): return response.body if gzip_magic_number(response): + max_size = response.meta.get( + "download_maxsize", + getattr( + self, "download_maxsize", self.settings.getint("DOWNLOAD_MAXSIZE") + ), + ) try: - return gunzip( - response.body, max_size=self.settings.getint("DOWNLOAD_MAXSIZE") - ) + return gunzip(response.body, max_size=max_size) except _DecompressionMaxSizeExceeded: return None # actual gzipped sitemap files are decompressed above ; diff --git a/tests/test_downloadermiddleware_httpcompression.py b/tests/test_downloadermiddleware_httpcompression.py index 7babd1318..6d71ba71e 100644 --- a/tests/test_downloadermiddleware_httpcompression.py +++ b/tests/test_downloadermiddleware_httpcompression.py @@ -49,10 +49,7 @@ FORMAT = { class HttpCompressionTest(TestCase): def setUp(self): - settings = { - "DOWNLOAD_MAXSIZE": 10_000_000, # For compression bomb tests. - } - self.crawler = get_crawler(Spider, settings_dict=settings) + self.crawler = get_crawler(Spider) self.spider = self.crawler._create_spider("scrapytest.org") self.mw = HttpCompressionMiddleware.from_crawler(self.crawler) self.crawler.stats.open_spider(self.spider) @@ -373,31 +370,103 @@ class HttpCompressionTest(TestCase): self.assertStatsEqual("httpcompression/response_count", None) self.assertStatsEqual("httpcompression/response_bytes", None) - def _test_compression_bomb(self, compression_id): + def _test_compression_bomb_setting(self, compression_id): + settings = {"DOWNLOAD_MAXSIZE": 10_000_000} + crawler = get_crawler(Spider, settings_dict=settings) + spider = crawler._create_spider("scrapytest.org") + mw = HttpCompressionMiddleware.from_crawler(crawler) + mw.open_spider(spider) + response = self._getresponse(f"bomb-{compression_id}") self.assertRaises( IgnoreRequest, - self.mw.process_response, + mw.process_response, response.request, response, - self.spider, + spider, ) - def test_compression_bomb_br(self): + def test_compression_bomb_setting_br(self): try: import brotli # noqa: F401 except ImportError: raise SkipTest("no brotli") - self._test_compression_bomb("br") + self._test_compression_bomb_setting("br") - def test_compression_bomb_deflate(self): - self._test_compression_bomb("deflate") + def test_compression_bomb_setting_deflate(self): + self._test_compression_bomb_setting("deflate") - def test_compression_bomb_gzip(self): - self._test_compression_bomb("gzip") + def test_compression_bomb_setting_gzip(self): + self._test_compression_bomb_setting("gzip") - def test_compression_bomb_zstd(self): - self._test_compression_bomb("zstd") + def test_compression_bomb_setting_zstd(self): + self._test_compression_bomb_setting("zstd") + + def _test_compression_bomb_spider_attr(self, compression_id): + class DownloadMaxSizeSpider(Spider): + download_maxsize = 10_000_000 + + crawler = get_crawler(DownloadMaxSizeSpider) + spider = crawler._create_spider("scrapytest.org") + mw = HttpCompressionMiddleware.from_crawler(crawler) + mw.open_spider(spider) + + response = self._getresponse(f"bomb-{compression_id}") + self.assertRaises( + IgnoreRequest, + mw.process_response, + response.request, + response, + spider, + ) + + def test_compression_bomb_spider_attr_br(self): + try: + import brotli # noqa: F401 + except ImportError: + raise SkipTest("no brotli") + self._test_compression_bomb_spider_attr("br") + + def test_compression_bomb_spider_attr_deflate(self): + self._test_compression_bomb_spider_attr("deflate") + + def test_compression_bomb_spider_attr_gzip(self): + self._test_compression_bomb_spider_attr("gzip") + + def test_compression_bomb_spider_attr_zstd(self): + self._test_compression_bomb_spider_attr("zstd") + + def _test_compression_bomb_request_meta(self, compression_id): + crawler = get_crawler(Spider) + spider = crawler._create_spider("scrapytest.org") + mw = HttpCompressionMiddleware.from_crawler(crawler) + mw.open_spider(spider) + + response = self._getresponse(f"bomb-{compression_id}") + response.meta["download_maxsize"] = 10_000_000 + self.assertRaises( + IgnoreRequest, + mw.process_response, + response.request, + response, + spider, + ) + + def test_compression_bomb_request_meta_br(self): + try: + import brotli # noqa: F401 + except ImportError: + raise SkipTest("no brotli") + self._test_compression_bomb_request_meta("br") + + def test_compression_bomb_request_meta_deflate(self): + self._test_compression_bomb_request_meta("deflate") + + def test_compression_bomb_request_meta_gzip(self): + self._test_compression_bomb_request_meta("gzip") + + def test_compression_bomb_request_meta_zstd(self): + self._test_compression_bomb_request_meta("zstd") class HttpCompressionSubclassTest(TestCase): diff --git a/tests/test_spider.py b/tests/test_spider.py index 875ff5454..e8480ceb4 100644 --- a/tests/test_spider.py +++ b/tests/test_spider.py @@ -509,6 +509,7 @@ class SitemapSpiderTest(SpiderTest): url="http://www.example.com/sitemap", body=self.GZBODY, headers={"content-type": "application/gzip"}, + request=Request("http://www.example.com/sitemap"), ) self.assertSitemapBody(r, self.BODY) @@ -517,7 +518,11 @@ class SitemapSpiderTest(SpiderTest): self.assertSitemapBody(r, self.BODY) def test_get_sitemap_body_xml_url_compressed(self): - r = Response(url="http://www.example.com/sitemap.xml.gz", body=self.GZBODY) + r = Response( + url="http://www.example.com/sitemap.xml.gz", + body=self.GZBODY, + request=Request("http://www.example.com/sitemap"), + ) self.assertSitemapBody(r, self.BODY) # .xml.gz but body decoded by HttpCompression middleware already @@ -694,13 +699,37 @@ Sitemap: /sitemap-relative-url.xml ["http://www.example.com/sitemap2.xml"], ) - def test_compression_bomb(self): + def test_compression_bomb_setting(self): settings = {"DOWNLOAD_MAXSIZE": 10_000_000} crawler = get_crawler(settings_dict=settings) spider = self.spider_class.from_crawler(crawler, "example.com") body_path = Path(tests_datadir, "compressed", "bomb-gzip.bin") body = body_path.read_bytes() - response = Response(url="https://example.com", body=body) + request = Request(url="https://example.com") + response = Response(url="https://example.com", body=body, request=request) + self.assertIsNone(spider._get_sitemap_body(response)) + + def test_compression_bomb_spider_attr(self): + class DownloadMaxSizeSpider(self.spider_class): + download_maxsize = 10_000_000 + + crawler = get_crawler() + spider = DownloadMaxSizeSpider.from_crawler(crawler, "example.com") + body_path = Path(tests_datadir, "compressed", "bomb-gzip.bin") + body = body_path.read_bytes() + request = Request(url="https://example.com") + response = Response(url="https://example.com", body=body, request=request) + self.assertIsNone(spider._get_sitemap_body(response)) + + def test_compression_bomb_request_meta(self): + crawler = get_crawler() + spider = self.spider_class.from_crawler(crawler, "example.com") + body_path = Path(tests_datadir, "compressed", "bomb-gzip.bin") + body = body_path.read_bytes() + request = Request( + url="https://example.com", meta={"download_maxsize": 10_000_000} + ) + response = Response(url="https://example.com", body=body, request=request) self.assertIsNone(spider._get_sitemap_body(response)) From 1087bb7b2eab28543bf9ba13149adb7acd4a3675 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Thu, 23 Nov 2023 09:11:14 +0100 Subject: [PATCH 026/786] Update the docs --- docs/topics/request-response.rst | 1 + docs/topics/settings.rst | 36 +++++++++++++++++--------------- 2 files changed, 20 insertions(+), 17 deletions(-) diff --git a/docs/topics/request-response.rst b/docs/topics/request-response.rst index adf3d0f4a..2d1227cf8 100644 --- a/docs/topics/request-response.rst +++ b/docs/topics/request-response.rst @@ -702,6 +702,7 @@ Those are: * :reqmeta:`download_fail_on_dataloss` * :reqmeta:`download_latency` * :reqmeta:`download_maxsize` +* :reqmeta:`download_warnsize` * :reqmeta:`download_timeout` * ``ftp_password`` (See :setting:`FTP_PASSWORD` for more info) * ``ftp_user`` (See :setting:`FTP_USER` for more info) diff --git a/docs/topics/settings.rst b/docs/topics/settings.rst index 7cdfb8768..eb24b834a 100644 --- a/docs/topics/settings.rst +++ b/docs/topics/settings.rst @@ -873,40 +873,42 @@ The amount of time (in secs) that the downloader will wait before timing out. Request.meta key. .. setting:: DOWNLOAD_MAXSIZE +.. reqmeta:: download_maxsize DOWNLOAD_MAXSIZE ---------------- -Default: ``1073741824`` (1024MB) +Default: ``1073741824`` (1 GiB) -The maximum response size (in bytes) that downloader will download. +The maximum response body size (in bytes) allowed. Bigger responses are +aborted and ignored. -If you want to disable it set to 0. +This applies both before and after compression. If decompressing a response +body would exceed this limit, decompression is aborted and the response is +ignored. -.. reqmeta:: download_maxsize +Use ``0`` to disable this limit. -.. note:: - - This size can be set per spider using :attr:`download_maxsize` - spider attribute and per-request using :reqmeta:`download_maxsize` - Request.meta key. +This limit can be set per spider using the :attr:`download_maxsize` spider +attribute and per request using the :reqmeta:`download_maxsize` Request.meta +key. .. setting:: DOWNLOAD_WARNSIZE +.. reqmeta:: download_warnsize DOWNLOAD_WARNSIZE ----------------- -Default: ``33554432`` (32MB) +Default: ``33554432`` (32 MiB) -The response size (in bytes) that downloader will start to warn. +If the size of a response exceeds this value, before or after compression, a +warning will be logged about it. -If you want to disable it set to 0. +Use ``0`` to disable this limit. -.. note:: - - This size can be set per spider using :attr:`download_warnsize` - spider attribute and per-request using :reqmeta:`download_warnsize` - Request.meta key. +This limit can be set per spider using the :attr:`download_warnsize` spider +attribute and per request using the :reqmeta:`download_warnsize` Request.meta +key. .. setting:: DOWNLOAD_FAIL_ON_DATALOSS From 03d9866518ab43844ba0309394529240f4cf115e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Thu, 23 Nov 2023 10:26:47 +0100 Subject: [PATCH 027/786] Also use DOWNLOAD_WARNSIZE for decompressions --- .../downloadermiddlewares/httpcompression.py | 18 ++- scrapy/spiders/sitemap.py | 35 ++++- scrapy/utils/_compression.py | 12 +- scrapy/utils/gz.py | 4 +- ...st_downloadermiddleware_httpcompression.py | 130 ++++++++++++++++++ tests/test_spider.py | 78 +++++++++++ 6 files changed, 260 insertions(+), 17 deletions(-) diff --git a/scrapy/downloadermiddlewares/httpcompression.py b/scrapy/downloadermiddlewares/httpcompression.py index e6463307e..95bc1849d 100644 --- a/scrapy/downloadermiddlewares/httpcompression.py +++ b/scrapy/downloadermiddlewares/httpcompression.py @@ -1,4 +1,5 @@ import warnings +from logging import getLogger from scrapy import signals from scrapy.exceptions import IgnoreRequest, NotConfigured @@ -13,6 +14,8 @@ from scrapy.utils._compression import ( from scrapy.utils.deprecate import ScrapyDeprecationWarning from scrapy.utils.gz import gunzip +logger = getLogger(__name__) + ACCEPTED_ENCODINGS = [b"gzip", b"deflate"] try: @@ -39,6 +42,7 @@ class HttpCompressionMiddleware: return self.stats = crawler.stats self._max_size = crawler.settings.getint("DOWNLOAD_MAXSIZE") + self._warn_size = crawler.settings.getint("DOWNLOAD_WARNSIZE") crawler.signals.connect(self.open_spider, signals.spider_opened) @classmethod @@ -57,12 +61,15 @@ class HttpCompressionMiddleware: spider = cls() spider.stats = crawler.stats spider._max_size = crawler.settings.getint("DOWNLOAD_MAXSIZE") + spider._warn_size = crawler.settings.getint("DOWNLOAD_WARNSIZE") crawler.signals.connect(spider.open_spider, signals.spider_opened) return spider def open_spider(self, spider): if hasattr(spider, "download_maxsize"): self._max_size = spider.download_maxsize + if hasattr(spider, "download_warnsize"): + self._warn_size = spider.download_warnsize def process_request(self, request, spider): request.headers.setdefault("Accept-Encoding", b", ".join(ACCEPTED_ENCODINGS)) @@ -75,6 +82,7 @@ class HttpCompressionMiddleware: if content_encoding: encoding = content_encoding.pop() max_size = request.meta.get("download_maxsize", self._max_size) + warn_size = request.meta.get("download_warnsize", self._warn_size) try: decoded_body = self._decode( response.body, encoding.lower(), max_size @@ -82,8 +90,14 @@ class HttpCompressionMiddleware: except _DecompressionMaxSizeExceeded: raise IgnoreRequest( f"Ignored response {response} because its body " - f"({len(response.body)}B) exceeded DOWNLOAD_MAXSIZE " - f"({self._max_size}B) during decompression." + f"({len(response.body)} B) exceeded DOWNLOAD_MAXSIZE " + f"({self._max_size} B) during decompression." + ) + if len(response.body) < warn_size and len(decoded_body) >= warn_size: + logger.warning( + f"{response} body size after decompression " + f"({len(decoded_body)} B) is larger than the " + f"download warning size ({warn_size} B)." ) if self.stats: self.stats.inc_value( diff --git a/scrapy/spiders/sitemap.py b/scrapy/spiders/sitemap.py index 3bca3f5c2..0574f0ccb 100644 --- a/scrapy/spiders/sitemap.py +++ b/scrapy/spiders/sitemap.py @@ -1,5 +1,6 @@ import logging import re +from typing import TYPE_CHECKING, Any from scrapy.http import Request, XmlResponse from scrapy.spiders import Spider @@ -7,6 +8,12 @@ from scrapy.utils._compression import _DecompressionMaxSizeExceeded from scrapy.utils.gz import gunzip, gzip_magic_number from scrapy.utils.sitemap import Sitemap, sitemap_urls_from_robots +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self + + from scrapy.crawler import Crawler + logger = logging.getLogger(__name__) @@ -16,6 +23,17 @@ class SitemapSpider(Spider): sitemap_follow = [""] sitemap_alternate_links = False + @classmethod + def from_crawler(cls, crawler: "Crawler", *args: Any, **kwargs: Any) -> "Self": + spider = super().from_crawler(crawler, *args, **kwargs) + spider._max_size = getattr( + spider, "download_maxsize", spider.settings.getint("DOWNLOAD_MAXSIZE") + ) + spider._warn_size = getattr( + spider, "download_warnsize", spider.settings.getint("DOWNLOAD_WARNSIZE") + ) + return spider + def __init__(self, *a, **kw): super().__init__(*a, **kw) self._cbs = [] @@ -72,16 +90,19 @@ class SitemapSpider(Spider): if isinstance(response, XmlResponse): return response.body if gzip_magic_number(response): - max_size = response.meta.get( - "download_maxsize", - getattr( - self, "download_maxsize", self.settings.getint("DOWNLOAD_MAXSIZE") - ), - ) + uncompressed_size = len(response.body) + max_size = response.meta.get("download_maxsize", self._max_size) + warn_size = response.meta.get("download_warnsize", self._warn_size) try: - return gunzip(response.body, max_size=max_size) + body = gunzip(response.body, max_size=max_size) except _DecompressionMaxSizeExceeded: return None + if uncompressed_size < warn_size and len(body) >= warn_size: + logger.warning( + f"{response} body size after decompression ({len(body)} B) " + f"is larger than the download warning size ({warn_size} B)." + ) + return body # actual gzipped sitemap files are decompressed above ; # if we are here (response body is not gzipped) # and have a response for .xml.gz, diff --git a/scrapy/utils/_compression.py b/scrapy/utils/_compression.py index 93aa254b2..a70f6c275 100644 --- a/scrapy/utils/_compression.py +++ b/scrapy/utils/_compression.py @@ -44,8 +44,8 @@ def _inflate(data: bytes, *, max_size: int = 0) -> bytes: if max_size and decompressed_size > max_size: raise _DecompressionMaxSizeExceeded( f"The number of bytes decompressed so far " - f"({decompressed_size}B) exceed the specified maximum " - f"({max_size}B)." + f"({decompressed_size} B) exceed the specified maximum " + f"({max_size} B)." ) output_list.append(output_chunk) return b"".join(output_list) @@ -65,8 +65,8 @@ def _unbrotli(data: bytes, *, max_size: int = 0) -> bytes: if max_size and decompressed_size > max_size: raise _DecompressionMaxSizeExceeded( f"The number of bytes decompressed so far " - f"({decompressed_size}B) exceed the specified maximum " - f"({max_size}B)." + f"({decompressed_size} B) exceed the specified maximum " + f"({max_size} B)." ) output_list.append(output_chunk) return b"".join(output_list) @@ -85,8 +85,8 @@ def _unzstd(data: bytes, *, max_size: int = 0) -> bytes: if max_size and decompressed_size > max_size: raise _DecompressionMaxSizeExceeded( f"The number of bytes decompressed so far " - f"({decompressed_size}B) exceed the specified maximum " - f"({max_size}B)." + f"({decompressed_size} B) exceed the specified maximum " + f"({max_size} B)." ) output_list.append(output_chunk) return b"".join(output_list) diff --git a/scrapy/utils/gz.py b/scrapy/utils/gz.py index 548134721..e5cf68d62 100644 --- a/scrapy/utils/gz.py +++ b/scrapy/utils/gz.py @@ -31,8 +31,8 @@ def gunzip(data: bytes, *, max_size: int = 0) -> bytes: if max_size and decompressed_size > max_size: raise _DecompressionMaxSizeExceeded( f"The number of bytes decompressed so far " - f"({decompressed_size}B) exceed the specified maximum " - f"({max_size}B)." + f"({decompressed_size} B) exceed the specified maximum " + f"({max_size} B)." ) output_list.append(chunk) return b"".join(output_list) diff --git a/tests/test_downloadermiddleware_httpcompression.py b/tests/test_downloadermiddleware_httpcompression.py index 6d71ba71e..f74fff218 100644 --- a/tests/test_downloadermiddleware_httpcompression.py +++ b/tests/test_downloadermiddleware_httpcompression.py @@ -1,9 +1,11 @@ from gzip import GzipFile from io import BytesIO +from logging import WARNING from pathlib import Path from unittest import SkipTest, TestCase from warnings import catch_warnings +from testfixtures import LogCapture from w3lib.encoding import resolve_encoding from scrapy.downloadermiddlewares.httpcompression import ( @@ -468,6 +470,134 @@ class HttpCompressionTest(TestCase): def test_compression_bomb_request_meta_zstd(self): self._test_compression_bomb_request_meta("zstd") + def _test_download_warnsize_setting(self, compression_id): + settings = {"DOWNLOAD_WARNSIZE": 10_000_000} + crawler = get_crawler(Spider, settings_dict=settings) + spider = crawler._create_spider("scrapytest.org") + mw = HttpCompressionMiddleware.from_crawler(crawler) + mw.open_spider(spider) + response = self._getresponse(f"bomb-{compression_id}") + + with LogCapture( + "scrapy.downloadermiddlewares.httpcompression", + propagate=False, + level=WARNING, + ) as log: + mw.process_response(response.request, response, spider) + log.check( + ( + "scrapy.downloadermiddlewares.httpcompression", + "WARNING", + ( + "<200 http://scrapytest.org/> body size after " + "decompression (11511612 B) is larger than the download " + "warning size (10000000 B)." + ), + ), + ) + + def test_download_warnsize_setting_br(self): + try: + import brotli # noqa: F401 + except ImportError: + raise SkipTest("no brotli") + self._test_download_warnsize_setting("br") + + def test_download_warnsize_setting_deflate(self): + self._test_download_warnsize_setting("deflate") + + def test_download_warnsize_setting_gzip(self): + self._test_download_warnsize_setting("gzip") + + def test_download_warnsize_setting_zstd(self): + self._test_download_warnsize_setting("zstd") + + def _test_download_warnsize_spider_attr(self, compression_id): + class DownloadWarnSizeSpider(Spider): + download_warnsize = 10_000_000 + + crawler = get_crawler(DownloadWarnSizeSpider) + spider = crawler._create_spider("scrapytest.org") + mw = HttpCompressionMiddleware.from_crawler(crawler) + mw.open_spider(spider) + response = self._getresponse(f"bomb-{compression_id}") + + with LogCapture( + "scrapy.downloadermiddlewares.httpcompression", + propagate=False, + level=WARNING, + ) as log: + mw.process_response(response.request, response, spider) + log.check( + ( + "scrapy.downloadermiddlewares.httpcompression", + "WARNING", + ( + "<200 http://scrapytest.org/> body size after " + "decompression (11511612 B) is larger than the download " + "warning size (10000000 B)." + ), + ), + ) + + def test_download_warnsize_spider_attr_br(self): + try: + import brotli # noqa: F401 + except ImportError: + raise SkipTest("no brotli") + self._test_download_warnsize_spider_attr("br") + + def test_download_warnsize_spider_attr_deflate(self): + self._test_download_warnsize_spider_attr("deflate") + + def test_download_warnsize_spider_attr_gzip(self): + self._test_download_warnsize_spider_attr("gzip") + + def test_download_warnsize_spider_attr_zstd(self): + self._test_download_warnsize_spider_attr("zstd") + + def _test_download_warnsize_request_meta(self, compression_id): + crawler = get_crawler(Spider) + spider = crawler._create_spider("scrapytest.org") + mw = HttpCompressionMiddleware.from_crawler(crawler) + mw.open_spider(spider) + response = self._getresponse(f"bomb-{compression_id}") + response.meta["download_warnsize"] = 10_000_000 + + with LogCapture( + "scrapy.downloadermiddlewares.httpcompression", + propagate=False, + level=WARNING, + ) as log: + mw.process_response(response.request, response, spider) + log.check( + ( + "scrapy.downloadermiddlewares.httpcompression", + "WARNING", + ( + "<200 http://scrapytest.org/> body size after " + "decompression (11511612 B) is larger than the download " + "warning size (10000000 B)." + ), + ), + ) + + def test_download_warnsize_request_meta_br(self): + try: + import brotli # noqa: F401 + except ImportError: + raise SkipTest("no brotli") + self._test_download_warnsize_request_meta("br") + + def test_download_warnsize_request_meta_deflate(self): + self._test_download_warnsize_request_meta("deflate") + + def test_download_warnsize_request_meta_gzip(self): + self._test_download_warnsize_request_meta("gzip") + + def test_download_warnsize_request_meta_zstd(self): + self._test_download_warnsize_request_meta("zstd") + class HttpCompressionSubclassTest(TestCase): def test_init_missing_stats(self): diff --git a/tests/test_spider.py b/tests/test_spider.py index e8480ceb4..3f595cc93 100644 --- a/tests/test_spider.py +++ b/tests/test_spider.py @@ -2,6 +2,7 @@ import gzip import inspect import warnings from io import BytesIO +from logging import WARNING from pathlib import Path from typing import Any from unittest import mock @@ -732,6 +733,83 @@ Sitemap: /sitemap-relative-url.xml response = Response(url="https://example.com", body=body, request=request) self.assertIsNone(spider._get_sitemap_body(response)) + def test_download_warnsize_setting(self): + settings = {"DOWNLOAD_WARNSIZE": 10_000_000} + crawler = get_crawler(settings_dict=settings) + spider = self.spider_class.from_crawler(crawler, "example.com") + body_path = Path(tests_datadir, "compressed", "bomb-gzip.bin") + body = body_path.read_bytes() + request = Request(url="https://example.com") + response = Response(url="https://example.com", body=body, request=request) + with LogCapture( + "scrapy.spiders.sitemap", propagate=False, level=WARNING + ) as log: + spider._get_sitemap_body(response) + log.check( + ( + "scrapy.spiders.sitemap", + "WARNING", + ( + "<200 https://example.com> body size after decompression " + "(11511612 B) is larger than the download warning size " + "(10000000 B)." + ), + ), + ) + + def test_download_warnsize_spider_attr(self): + class DownloadWarnSizeSpider(self.spider_class): + download_warnsize = 10_000_000 + + crawler = get_crawler() + spider = DownloadWarnSizeSpider.from_crawler(crawler, "example.com") + body_path = Path(tests_datadir, "compressed", "bomb-gzip.bin") + body = body_path.read_bytes() + request = Request( + url="https://example.com", meta={"download_warnsize": 10_000_000} + ) + response = Response(url="https://example.com", body=body, request=request) + with LogCapture( + "scrapy.spiders.sitemap", propagate=False, level=WARNING + ) as log: + spider._get_sitemap_body(response) + log.check( + ( + "scrapy.spiders.sitemap", + "WARNING", + ( + "<200 https://example.com> body size after decompression " + "(11511612 B) is larger than the download warning size " + "(10000000 B)." + ), + ), + ) + + def test_download_warnsize_request_meta(self): + crawler = get_crawler() + spider = self.spider_class.from_crawler(crawler, "example.com") + body_path = Path(tests_datadir, "compressed", "bomb-gzip.bin") + body = body_path.read_bytes() + request = Request( + url="https://example.com", meta={"download_warnsize": 10_000_000} + ) + response = Response(url="https://example.com", body=body, request=request) + with LogCapture( + "scrapy.spiders.sitemap", propagate=False, level=WARNING + ) as log: + spider._get_sitemap_body(response) + log.check( + ( + "scrapy.spiders.sitemap", + "WARNING", + ( + "<200 https://example.com> body size after decompression " + "(11511612 B) is larger than the download warning size " + "(10000000 B)." + ), + ), + ) + class DeprecationTest(unittest.TestCase): def test_crawl_spider(self): From b53ed52a22470adbe269f5a7dcc67a0da369eaf3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Thu, 23 Nov 2023 11:36:45 +0100 Subject: [PATCH 028/786] Update the release notes --- docs/news.rst | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/docs/news.rst b/docs/news.rst index 0c202639e..c4081b99b 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -3,6 +3,20 @@ Release notes ============= +.. _release-2.11.1: + +Scrapy 2.11.1 (unreleased) +-------------------------- + +**Security bug fix:** + +- :setting:`DOWNLOAD_MAXSIZE` and :setting:`DOWNLOAD_WARNSIZE` now also apply + to the decompressed response body. Please, see the `7j7m-v7m3-jqm7 security + advisory`_ for more information. + + .. _7j7m-v7m3-jqm7 security advisory: https://github.com/scrapy/scrapy/security/advisories/GHSA-7j7m-v7m3-jqm7 + + .. _release-2.11.0: Scrapy 2.11.0 (2023-09-18) @@ -2871,6 +2885,17 @@ affect subclasses: (:issue:`3884`) +.. _release-1.8.4: + +Scrapy 1.8.4 (unreleased) +------------------------- + +**Security bug fix:** + +- :setting:`DOWNLOAD_MAXSIZE` and :setting:`DOWNLOAD_WARNSIZE` now also apply + to the decompressed response body. Please, see the `7j7m-v7m3-jqm7 security + advisory`_ for more information. + .. _release-1.8.3: From cf80e5670e8317858b9f60008a5d2d97b4988da0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Thu, 23 Nov 2023 12:07:15 +0100 Subject: [PATCH 029/786] Solve linting and typing issues --- scrapy/downloadermiddlewares/httpcompression.py | 2 +- scrapy/spiders/sitemap.py | 4 +++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/scrapy/downloadermiddlewares/httpcompression.py b/scrapy/downloadermiddlewares/httpcompression.py index 95bc1849d..6c8b659bd 100644 --- a/scrapy/downloadermiddlewares/httpcompression.py +++ b/scrapy/downloadermiddlewares/httpcompression.py @@ -93,7 +93,7 @@ class HttpCompressionMiddleware: f"({len(response.body)} B) exceeded DOWNLOAD_MAXSIZE " f"({self._max_size} B) during decompression." ) - if len(response.body) < warn_size and len(decoded_body) >= warn_size: + if len(response.body) < warn_size <= len(decoded_body): logger.warning( f"{response} body size after decompression " f"({len(decoded_body)} B) is larger than the " diff --git a/scrapy/spiders/sitemap.py b/scrapy/spiders/sitemap.py index 0574f0ccb..386aa6a6e 100644 --- a/scrapy/spiders/sitemap.py +++ b/scrapy/spiders/sitemap.py @@ -22,6 +22,8 @@ class SitemapSpider(Spider): sitemap_rules = [("", "parse")] sitemap_follow = [""] sitemap_alternate_links = False + _max_size: int + _warn_size: int @classmethod def from_crawler(cls, crawler: "Crawler", *args: Any, **kwargs: Any) -> "Self": @@ -97,7 +99,7 @@ class SitemapSpider(Spider): body = gunzip(response.body, max_size=max_size) except _DecompressionMaxSizeExceeded: return None - if uncompressed_size < warn_size and len(body) >= warn_size: + if uncompressed_size < warn_size <= len(body): logger.warning( f"{response} body size after decompression ({len(body)} B) " f"is larger than the download warning size ({warn_size} B)." From 8e25f8c157e53c9f5df51e950fed18becfe7797d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Thu, 23 Nov 2023 14:12:59 +0100 Subject: [PATCH 030/786] Fix bad message --- scrapy/downloadermiddlewares/httpcompression.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scrapy/downloadermiddlewares/httpcompression.py b/scrapy/downloadermiddlewares/httpcompression.py index 6c8b659bd..f03294d65 100644 --- a/scrapy/downloadermiddlewares/httpcompression.py +++ b/scrapy/downloadermiddlewares/httpcompression.py @@ -91,7 +91,7 @@ class HttpCompressionMiddleware: raise IgnoreRequest( f"Ignored response {response} because its body " f"({len(response.body)} B) exceeded DOWNLOAD_MAXSIZE " - f"({self._max_size} B) during decompression." + f"({max_size} B) during decompression." ) if len(response.body) < warn_size <= len(decoded_body): logger.warning( From 5f2827efe7b069e514a87bd0f7a9589f49f0a97a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Fri, 24 Nov 2023 10:02:56 +0100 Subject: [PATCH 031/786] Make HttpCompressionMiddleware changes backward-comaptible --- scrapy/downloadermiddlewares/httpcompression.py | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/scrapy/downloadermiddlewares/httpcompression.py b/scrapy/downloadermiddlewares/httpcompression.py index f03294d65..1a3f6962a 100644 --- a/scrapy/downloadermiddlewares/httpcompression.py +++ b/scrapy/downloadermiddlewares/httpcompression.py @@ -37,8 +37,10 @@ class HttpCompressionMiddleware: """This middleware allows compressed (gzip, deflate) traffic to be sent/received from web sites""" - def __init__(self, *, crawler=None): + def __init__(self, stats=None, *, crawler=None): if not crawler: + if stats: + self.stats = stats return self.stats = crawler.stats self._max_size = crawler.settings.getint("DOWNLOAD_MAXSIZE") From 6c278e1862c5453ec45a8f6a5c2472710895cad9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Fri, 24 Nov 2023 10:15:21 +0100 Subject: [PATCH 032/786] =?UTF-8?q?List[bytes]=20=E2=86=92=20BytesIO?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- scrapy/utils/_compression.py | 22 ++++++++++++---------- scrapy/utils/gz.py | 12 ++++++------ 2 files changed, 18 insertions(+), 16 deletions(-) diff --git a/scrapy/utils/_compression.py b/scrapy/utils/_compression.py index a70f6c275..b17fd7881 100644 --- a/scrapy/utils/_compression.py +++ b/scrapy/utils/_compression.py @@ -1,6 +1,5 @@ import zlib from io import BytesIO -from typing import List try: import brotli @@ -21,7 +20,7 @@ def _inflate(data: bytes, *, max_size: int = 0) -> bytes: decompressor = zlib.decompressobj() raw_decompressor = zlib.decompressobj(wbits=-15) input_stream = BytesIO(data) - output_list: List[bytes] = [] + output_stream = BytesIO() output_chunk = b"." decompressed_size = 0 CHUNK_SIZE = 8196 @@ -47,14 +46,15 @@ def _inflate(data: bytes, *, max_size: int = 0) -> bytes: f"({decompressed_size} B) exceed the specified maximum " f"({max_size} B)." ) - output_list.append(output_chunk) - return b"".join(output_list) + output_stream.write(output_chunk) + output_stream.seek(0) + return output_stream.read() def _unbrotli(data: bytes, *, max_size: int = 0) -> bytes: decompressor = brotli.Decompressor() input_stream = BytesIO(data) - output_list: List[bytes] = [] + output_stream = BytesIO() output_chunk = b"." decompressed_size = 0 CHUNK_SIZE = 8196 @@ -68,14 +68,15 @@ def _unbrotli(data: bytes, *, max_size: int = 0) -> bytes: f"({decompressed_size} B) exceed the specified maximum " f"({max_size} B)." ) - output_list.append(output_chunk) - return b"".join(output_list) + output_stream.write(output_chunk) + output_stream.seek(0) + return output_stream.read() def _unzstd(data: bytes, *, max_size: int = 0) -> bytes: decompressor = zstandard.ZstdDecompressor() stream_reader = decompressor.stream_reader(BytesIO(data)) - output_list: List[bytes] = [] + output_stream = BytesIO() output_chunk = b"." decompressed_size = 0 CHUNK_SIZE = 8196 @@ -88,5 +89,6 @@ def _unzstd(data: bytes, *, max_size: int = 0) -> bytes: f"({decompressed_size} B) exceed the specified maximum " f"({max_size} B)." ) - output_list.append(output_chunk) - return b"".join(output_list) + output_stream.write(output_chunk) + output_stream.seek(0) + return output_stream.read() diff --git a/scrapy/utils/gz.py b/scrapy/utils/gz.py index e5cf68d62..5d23e8f05 100644 --- a/scrapy/utils/gz.py +++ b/scrapy/utils/gz.py @@ -1,7 +1,6 @@ import struct from gzip import GzipFile from io import BytesIO -from typing import List from scrapy.http import Response @@ -14,7 +13,7 @@ def gunzip(data: bytes, *, max_size: int = 0) -> bytes: This is resilient to CRC checksum errors. """ f = GzipFile(fileobj=BytesIO(data)) - output_list: List[bytes] = [] + output_stream = BytesIO() chunk = b"." decompressed_size = 0 while chunk: @@ -23,8 +22,8 @@ def gunzip(data: bytes, *, max_size: int = 0) -> bytes: except (OSError, EOFError, struct.error): # complete only if there is some data, otherwise re-raise # see issue 87 about catching struct.error - # some pages are quite small so output_list is empty - if output_list: + # some pages are quite small so output_stream is empty + if output_stream: break raise decompressed_size += len(chunk) @@ -34,8 +33,9 @@ def gunzip(data: bytes, *, max_size: int = 0) -> bytes: f"({decompressed_size} B) exceed the specified maximum " f"({max_size} B)." ) - output_list.append(chunk) - return b"".join(output_list) + output_stream.write(chunk) + output_stream.seek(0) + return output_stream.read() def gzip_magic_number(response: Response) -> bool: From 62398e424c0a3d66d0bdd3908e47284cbe797ef9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Fri, 24 Nov 2023 10:20:14 +0100 Subject: [PATCH 033/786] =?UTF-8?q?CHUNK=5FSIZE:=208=20KiB=20=E2=86=92=203?= =?UTF-8?q?2=20KiB?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- scrapy/utils/_compression.py | 12 ++++++------ scrapy/utils/gz.py | 4 ++-- 2 files changed, 8 insertions(+), 8 deletions(-) diff --git a/scrapy/utils/_compression.py b/scrapy/utils/_compression.py index b17fd7881..5610595d3 100644 --- a/scrapy/utils/_compression.py +++ b/scrapy/utils/_compression.py @@ -12,6 +12,9 @@ except ImportError: pass +_CHUNK_SIZE = 65536 # 64 KiB + + class _DecompressionMaxSizeExceeded(ValueError): pass @@ -23,9 +26,8 @@ def _inflate(data: bytes, *, max_size: int = 0) -> bytes: output_stream = BytesIO() output_chunk = b"." decompressed_size = 0 - CHUNK_SIZE = 8196 while output_chunk: - input_chunk = input_stream.read(CHUNK_SIZE) + input_chunk = input_stream.read(_CHUNK_SIZE) try: output_chunk = decompressor.decompress(input_chunk) except zlib.error: @@ -57,9 +59,8 @@ def _unbrotli(data: bytes, *, max_size: int = 0) -> bytes: output_stream = BytesIO() output_chunk = b"." decompressed_size = 0 - CHUNK_SIZE = 8196 while output_chunk: - input_chunk = input_stream.read(CHUNK_SIZE) + input_chunk = input_stream.read(_CHUNK_SIZE) output_chunk = decompressor.process(input_chunk) decompressed_size += len(output_chunk) if max_size and decompressed_size > max_size: @@ -79,9 +80,8 @@ def _unzstd(data: bytes, *, max_size: int = 0) -> bytes: output_stream = BytesIO() output_chunk = b"." decompressed_size = 0 - CHUNK_SIZE = 8196 while output_chunk: - output_chunk = stream_reader.read(CHUNK_SIZE) + output_chunk = stream_reader.read(_CHUNK_SIZE) decompressed_size += len(output_chunk) if max_size and decompressed_size > max_size: raise _DecompressionMaxSizeExceeded( diff --git a/scrapy/utils/gz.py b/scrapy/utils/gz.py index 5d23e8f05..cf7316e82 100644 --- a/scrapy/utils/gz.py +++ b/scrapy/utils/gz.py @@ -4,7 +4,7 @@ from io import BytesIO from scrapy.http import Response -from ._compression import _DecompressionMaxSizeExceeded +from ._compression import _CHUNK_SIZE, _DecompressionMaxSizeExceeded def gunzip(data: bytes, *, max_size: int = 0) -> bytes: @@ -18,7 +18,7 @@ def gunzip(data: bytes, *, max_size: int = 0) -> bytes: decompressed_size = 0 while chunk: try: - chunk = f.read1(8196) + chunk = f.read1(_CHUNK_SIZE) except (OSError, EOFError, struct.error): # complete only if there is some data, otherwise re-raise # see issue 87 about catching struct.error From 8a73c6c90c5984292d39a0a9d4be86e792d81cb4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Fri, 24 Nov 2023 10:25:01 +0100 Subject: [PATCH 034/786] Fix HttpCompressionMiddleware backward compatibility --- scrapy/downloadermiddlewares/httpcompression.py | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/scrapy/downloadermiddlewares/httpcompression.py b/scrapy/downloadermiddlewares/httpcompression.py index 1a3f6962a..58ca1017f 100644 --- a/scrapy/downloadermiddlewares/httpcompression.py +++ b/scrapy/downloadermiddlewares/httpcompression.py @@ -39,8 +39,9 @@ class HttpCompressionMiddleware: def __init__(self, stats=None, *, crawler=None): if not crawler: - if stats: - self.stats = stats + self.stats = stats + self._max_size = 1073741824 + self._warn_size = 33554432 return self.stats = crawler.stats self._max_size = crawler.settings.getint("DOWNLOAD_MAXSIZE") From a113208a0643263fdd7198238bf9213f9148bc1a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Fri, 24 Nov 2023 11:35:15 +0100 Subject: [PATCH 035/786] Fix BytesIO non-emptiness check --- scrapy/utils/gz.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scrapy/utils/gz.py b/scrapy/utils/gz.py index cf7316e82..2e487d88b 100644 --- a/scrapy/utils/gz.py +++ b/scrapy/utils/gz.py @@ -23,7 +23,7 @@ def gunzip(data: bytes, *, max_size: int = 0) -> bytes: # complete only if there is some data, otherwise re-raise # see issue 87 about catching struct.error # some pages are quite small so output_stream is empty - if output_stream: + if output_stream.getbuffer().nbytes > 0: break raise decompressed_size += len(chunk) From c947f51077e1ab246f30764cc4cc7a1cc5835d40 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 29 Nov 2023 11:54:08 +0100 Subject: [PATCH 036/786] Set an arbitrary upper limit on ReDoS-vulnerable regexps --- docs/news.rst | 28 ++++++++++++++++++++++++++++ scrapy/utils/iterators.py | 12 +++++++----- scrapy/utils/response.py | 4 ++-- 3 files changed, 37 insertions(+), 7 deletions(-) diff --git a/docs/news.rst b/docs/news.rst index fd8fa3ea3..121cc0322 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -3,6 +3,22 @@ Release notes ============= +.. _release-2.11.1: + +Scrapy 2.11.1 (unreleased) +-------------------------- + +**Security bug fix:** + +- The regular expressions of the ``iternodes`` node iterator of + :class:`~scrapy.spiders.XMLFeedSpider` are no longer susceptible to a + `ReDoS attack`_. Please, see the `cc65-xxvf-f7r9 security + advisory`_ for more information. + + .. _ReDoS attack: https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS + .. _cc65-xxvf-f7r9 security advisory: https://github.com/scrapy/scrapy/security/advisories/GHSA-cc65-xxvf-f7r9 + + .. _release-2.11.0: Scrapy 2.11.0 (2023-09-18) @@ -2869,6 +2885,18 @@ affect subclasses: (:issue:`3884`) +.. _release-1.8.4: + +Scrapy 1.8.4 (unreleased) +------------------------- + +**Security bug fix:** + +- The regular expressions of the ``iternodes`` node iterator of + :class:`~scrapy.spiders.XMLFeedSpider` are no longer susceptible to a + `ReDoS attack`_. Please, see the `cc65-xxvf-f7r9 security + advisory`_ for more information. + .. _release-1.8.3: diff --git a/scrapy/utils/iterators.py b/scrapy/utils/iterators.py index 03d779afb..6b89334e0 100644 --- a/scrapy/utils/iterators.py +++ b/scrapy/utils/iterators.py @@ -40,10 +40,10 @@ def xmliter( """ nodename_patt = re.escape(nodename) - DOCUMENT_HEADER_RE = re.compile(r"<\?xml[^>]+>\s*", re.S) + DOCUMENT_HEADER_RE = re.compile(r"<\?xml[^>]{1,1024}>\s*", re.S) HEADER_END_RE = re.compile(rf"<\s*/{nodename_patt}\s*>", re.S) - END_TAG_RE = re.compile(r"<\s*/([^\s>]+)\s*>", re.S) - NAMESPACE_RE = re.compile(r"((xmlns[:A-Za-z]*)=[^>\s]+)", re.S) + END_TAG_RE = re.compile(r"<\s*/([^\s>]{1,1024})\s*>", re.S) + NAMESPACE_RE = re.compile(r"((xmlns[:A-Za-z]{,1024})=[^>\s]+)", re.S) text = _body_or_str(obj) document_header_match = re.search(DOCUMENT_HEADER_RE, text) @@ -57,13 +57,15 @@ def xmliter( for tagname in reversed(re.findall(END_TAG_RE, header_end)): assert header_end_idx tag = re.search( - rf"<\s*{tagname}.*?xmlns[:=][^>]*>", text[: header_end_idx[1]], re.S + rf"<\s*{tagname}.{{,1024}}?xmlns[:=][^>]{{,1024}}>", + text[: header_end_idx[1]], + re.S, ) if tag: for x in re.findall(NAMESPACE_RE, tag.group()): namespaces[x[1]] = x[0] - r = re.compile(rf"<{nodename_patt}[\s>].*?", re.DOTALL) + r = re.compile(rf"<{nodename_patt}[\s>].{{,1024}}?", re.DOTALL) for match in r.finditer(text): nodetext = ( document_header diff --git a/scrapy/utils/response.py b/scrapy/utils/response.py index c540d6278..b0e106c5e 100644 --- a/scrapy/utils/response.py +++ b/scrapy/utils/response.py @@ -91,8 +91,8 @@ def open_in_browser( if isinstance(response, HtmlResponse): if b"' - body = re.sub(b"", b"", body, flags=re.DOTALL) - body = re.sub(rb"(|\s.*?>))", to_bytes(repl), body) + body = re.sub(b"", b"", body, flags=re.DOTALL) + body = re.sub(rb"(|\s.{,1024}?>))", to_bytes(repl), body) ext = ".html" elif isinstance(response, TextResponse): ext = ".txt" From eb8b2c5197f3dd8570bad1945b23886ee57d045f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 29 Nov 2023 12:13:04 +0100 Subject: [PATCH 037/786] Mention open_in_browser in the release notes --- docs/news.rst | 16 ++++++++-------- docs/topics/debug.rst | 18 +++--------------- scrapy/utils/response.py | 17 +++++++++++++++-- 3 files changed, 26 insertions(+), 25 deletions(-) diff --git a/docs/news.rst b/docs/news.rst index 121cc0322..2bbe833a5 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -10,10 +10,10 @@ Scrapy 2.11.1 (unreleased) **Security bug fix:** -- The regular expressions of the ``iternodes`` node iterator of - :class:`~scrapy.spiders.XMLFeedSpider` are no longer susceptible to a - `ReDoS attack`_. Please, see the `cc65-xxvf-f7r9 security - advisory`_ for more information. +- Fixed regular expressions susceptible to a `ReDoS attack`_ affecting the + ``iternodes`` node iterator of :class:`~scrapy.spiders.XMLFeedSpider` and + the :func:`~scrapy.utils.response.open_in_browser` function. Please, see + the `cc65-xxvf-f7r9 security advisory`_ for more information. .. _ReDoS attack: https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS .. _cc65-xxvf-f7r9 security advisory: https://github.com/scrapy/scrapy/security/advisories/GHSA-cc65-xxvf-f7r9 @@ -2892,10 +2892,10 @@ Scrapy 1.8.4 (unreleased) **Security bug fix:** -- The regular expressions of the ``iternodes`` node iterator of - :class:`~scrapy.spiders.XMLFeedSpider` are no longer susceptible to a - `ReDoS attack`_. Please, see the `cc65-xxvf-f7r9 security - advisory`_ for more information. +- Fixed regular expressions susceptible to a `ReDoS attack`_ affecting the + ``iternodes`` node iterator of :class:`~scrapy.spiders.XMLFeedSpider` and + the :func:`~scrapy.utils.response.open_in_browser` function. Please, see + the `cc65-xxvf-f7r9 security advisory`_ for more information. .. _release-1.8.3: diff --git a/docs/topics/debug.rst b/docs/topics/debug.rst index 49c5b0410..988e37bbd 100644 --- a/docs/topics/debug.rst +++ b/docs/topics/debug.rst @@ -125,25 +125,15 @@ Fortunately, the :command:`shell` is your bread and butter in this case (see See also: :ref:`topics-shell-inspect-response`. + Open in browser =============== Sometimes you just want to see how a certain response looks in a browser, you -can use the ``open_in_browser`` function for that. Here is an example of how -you would use it: +can use the :func:`~scrapy.utils.response.open_in_browser` function for that: -.. code-block:: python +.. autofunction:: scrapy.utils.response.open_in_browser - from scrapy.utils.response import open_in_browser - - - def parse_details(self, response): - if "item name" not in response.body: - open_in_browser(response) - -``open_in_browser`` will open a browser with the response received by Scrapy at -that point, adjusting the `base tag`_ so that images and styles are displayed -properly. Logging ======= @@ -163,8 +153,6 @@ available in all future runs should they be necessary again: For more information, check the :ref:`topics-logging` section. -.. _base tag: https://www.w3schools.com/tags/tag_base.asp - .. _debug-vscode: Visual Studio Code diff --git a/scrapy/utils/response.py b/scrapy/utils/response.py index b0e106c5e..8401d4ed1 100644 --- a/scrapy/utils/response.py +++ b/scrapy/utils/response.py @@ -81,8 +81,21 @@ def open_in_browser( ], _openfunc: Callable[[str], Any] = webbrowser.open, ) -> Any: - """Open the given response in a local web browser, populating the - tag for external links to work + """Open *response* in a local web browser, adjusting the `base tag`_ for + external links to work, e.g. so that images and styles are displayed. + + .. _base tag: https://www.w3schools.com/tags/tag_base.asp + + For example: + + .. code-block:: python + + from scrapy.utils.response import open_in_browser + + + def parse_details(self, response): + if "item name" not in response.body: + open_in_browser(response) """ from scrapy.http import HtmlResponse, TextResponse From 40b3efbbee3919e8f6900daeaed5e14183cabfd7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 29 Nov 2023 12:47:04 +0100 Subject: [PATCH 038/786] Remove open_in_browser from the 1.8.4 release notes --- docs/news.rst | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/docs/news.rst b/docs/news.rst index 2bbe833a5..c14815d06 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -2893,9 +2893,8 @@ Scrapy 1.8.4 (unreleased) **Security bug fix:** - Fixed regular expressions susceptible to a `ReDoS attack`_ affecting the - ``iternodes`` node iterator of :class:`~scrapy.spiders.XMLFeedSpider` and - the :func:`~scrapy.utils.response.open_in_browser` function. Please, see - the `cc65-xxvf-f7r9 security advisory`_ for more information. + ``iternodes`` node iterator of :class:`~scrapy.spiders.XMLFeedSpider`. + Please, see the `cc65-xxvf-f7r9 security advisory`_ for more information. .. _release-1.8.3: From c66b51770637d3d72347ab41a201f672618aeaf2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Fri, 1 Dec 2023 10:36:27 +0100 Subject: [PATCH 039/786] Add Python 3.13 alpha to CI --- .github/workflows/checks.yml | 4 ++-- .github/workflows/publish.yml | 2 +- .github/workflows/tests-macos.yml | 2 +- .github/workflows/tests-ubuntu.yml | 9 ++++++--- .github/workflows/tests-windows.yml | 5 ++++- conftest.py | 2 -- setup.py | 1 + 7 files changed, 15 insertions(+), 10 deletions(-) diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml index d6fc0f6c5..7a380a7a5 100644 --- a/.github/workflows/checks.yml +++ b/.github/workflows/checks.yml @@ -12,7 +12,7 @@ jobs: fail-fast: false matrix: include: - - python-version: "3.12" + - python-version: "3.13.0-alpha.2" env: TOXENV: pylint - python-version: 3.8 @@ -21,7 +21,7 @@ jobs: - python-version: "3.11" # Keep in sync with .readthedocs.yml env: TOXENV: docs - - python-version: "3.12" + - python-version: "3.13.0-alpha.2" env: TOXENV: twinecheck diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml index affaa32a5..456c0ffdd 100644 --- a/.github/workflows/publish.yml +++ b/.github/workflows/publish.yml @@ -15,7 +15,7 @@ jobs: - uses: actions/checkout@v4 - uses: actions/setup-python@v4 with: - python-version: 3.12 + python-version: "3.13.0-alpha.2" - run: | pip install --upgrade build twine python -m build diff --git a/.github/workflows/tests-macos.yml b/.github/workflows/tests-macos.yml index 252176464..6b110b5d7 100644 --- a/.github/workflows/tests-macos.yml +++ b/.github/workflows/tests-macos.yml @@ -11,7 +11,7 @@ jobs: strategy: fail-fast: false matrix: - python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"] + python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13.0-alpha.2"] steps: - uses: actions/checkout@v4 diff --git a/.github/workflows/tests-ubuntu.yml b/.github/workflows/tests-ubuntu.yml index f50a4d104..fd08247e4 100644 --- a/.github/workflows/tests-ubuntu.yml +++ b/.github/workflows/tests-ubuntu.yml @@ -24,7 +24,10 @@ jobs: - python-version: "3.12" env: TOXENV: py - - python-version: "3.12" + - python-version: "3.13.0-alpha.2" + env: + TOXENV: py + - python-version: "3.13.0-alpha.2" env: TOXENV: asyncio - python-version: pypy3.9 @@ -51,10 +54,10 @@ jobs: env: TOXENV: botocore-pinned - - python-version: "3.12" + - python-version: "3.13.0-alpha.2" env: TOXENV: extra-deps - - python-version: "3.12" + - python-version: "3.13.0-alpha.2" env: TOXENV: botocore diff --git a/.github/workflows/tests-windows.yml b/.github/workflows/tests-windows.yml index 757d62285..be082393e 100644 --- a/.github/workflows/tests-windows.yml +++ b/.github/workflows/tests-windows.yml @@ -27,7 +27,10 @@ jobs: - python-version: "3.12" env: TOXENV: py - - python-version: "3.12" + - python-version: "3.13.0-alpha.2" + env: + TOXENV: py + - python-version: "3.13.0-alpha.2" env: TOXENV: asyncio diff --git a/conftest.py b/conftest.py index 2bfa46f5a..68921f119 100644 --- a/conftest.py +++ b/conftest.py @@ -91,8 +91,6 @@ def requires_uvloop(request): pytest.skip("uvloop does not support Windows") if twisted_version == Version("twisted", 21, 2, 0): pytest.skip("https://twistedmatrix.com/trac/ticket/10106") - if sys.version_info >= (3, 12): - pytest.skip("uvloop doesn't support Python 3.12 yet") def pytest_configure(config): diff --git a/setup.py b/setup.py index 405633f55..d6ba4765e 100644 --- a/setup.py +++ b/setup.py @@ -63,6 +63,7 @@ setup( "Programming Language :: Python :: 3.10", "Programming Language :: Python :: 3.11", "Programming Language :: Python :: 3.12", + "Programming Language :: Python :: 3.13", "Programming Language :: Python :: Implementation :: CPython", "Programming Language :: Python :: Implementation :: PyPy", "Topic :: Internet :: WWW/HTTP", From bb74badd1bd66c59a63268c52342507c76d290b8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Mon, 11 Dec 2023 17:39:55 +0100 Subject: [PATCH 040/786] =?UTF-8?q?spider=20=E2=86=92=20mw?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- scrapy/downloadermiddlewares/httpcompression.py | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/scrapy/downloadermiddlewares/httpcompression.py b/scrapy/downloadermiddlewares/httpcompression.py index 58ca1017f..816be25a1 100644 --- a/scrapy/downloadermiddlewares/httpcompression.py +++ b/scrapy/downloadermiddlewares/httpcompression.py @@ -61,12 +61,12 @@ class HttpCompressionMiddleware: "reimplement their 'from_crawler' method.", ScrapyDeprecationWarning, ) - spider = cls() - spider.stats = crawler.stats - spider._max_size = crawler.settings.getint("DOWNLOAD_MAXSIZE") - spider._warn_size = crawler.settings.getint("DOWNLOAD_WARNSIZE") - crawler.signals.connect(spider.open_spider, signals.spider_opened) - return spider + mw = cls() + mw.stats = crawler.stats + mw._max_size = crawler.settings.getint("DOWNLOAD_MAXSIZE") + mw._warn_size = crawler.settings.getint("DOWNLOAD_WARNSIZE") + crawler.signals.connect(mw.open_spider, signals.spider_opened) + return mw def open_spider(self, spider): if hasattr(spider, "download_maxsize"): From 1533b69032e2fb5e495e88a3fed57c0d98502612 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 13 Dec 2023 12:01:35 +0100 Subject: [PATCH 041/786] Test and address ReDoS attack vectors for open_in_browser --- scrapy/utils/response.py | 6 +++--- tests/test_utils_response.py | 36 ++++++++++++++++++++++++++++++++++++ 2 files changed, 39 insertions(+), 3 deletions(-) diff --git a/scrapy/utils/response.py b/scrapy/utils/response.py index 8401d4ed1..4369e6439 100644 --- a/scrapy/utils/response.py +++ b/scrapy/utils/response.py @@ -103,9 +103,9 @@ def open_in_browser( body = response.body if isinstance(response, HtmlResponse): if b"' - body = re.sub(b"", b"", body, flags=re.DOTALL) - body = re.sub(rb"(|\s.{,1024}?>))", to_bytes(repl), body) + repl = rf'\0' + body = re.sub(b"(?s)|$)", b"", body) + body = re.sub(rb"]*?>)", to_bytes(repl), body, count=1) ext = ".html" elif isinstance(response, TextResponse): ext = ".txt" diff --git a/tests/test_utils_response.py b/tests/test_utils_response.py index 80e15a60f..942584d92 100644 --- a/tests/test_utils_response.py +++ b/tests/test_utils_response.py @@ -1,10 +1,12 @@ import unittest import warnings from pathlib import Path +from time import process_time from urllib.parse import urlparse from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.http import HtmlResponse, Response, TextResponse +from scrapy.settings.default_settings import DOWNLOAD_MAXSIZE from scrapy.utils.python import to_bytes from scrapy.utils.response import ( get_base_url, @@ -198,3 +200,37 @@ class ResponseUtilsTest(unittest.TestCase): assert open_in_browser( r5, _openfunc=check_base_url ), "Inject unique base url with conditional comment" + + def test_open_in_browser_redos_comment(self): + MAX_CPU_TIME = 30 + + # Exploit input from + # https://makenowjust-labs.github.io/recheck/playground/ + # for // (old pattern to remove comments). + body = b"->" + + response = HtmlResponse("https://example.com", body=body) + + start_time = process_time() + + open_in_browser(response, lambda url: True) + + end_time = process_time() + self.assertLess(end_time - start_time, MAX_CPU_TIME) + + def test_open_in_browser_redos_head(self): + MAX_CPU_TIME = 15 + + # Exploit input from + # https://makenowjust-labs.github.io/recheck/playground/ + # for /(|\s.*?>))/ (old pattern to find the head element). + body = b" Date: Tue, 17 Oct 2023 17:49:22 -0300 Subject: [PATCH 042/786] Remove deprecated scrapy.downloadermiddlewares.decompression --- scrapy/downloadermiddlewares/decompression.py | 94 ------------------- ...test_downloadermiddleware_decompression.py | 53 ----------- 2 files changed, 147 deletions(-) delete mode 100644 scrapy/downloadermiddlewares/decompression.py delete mode 100644 tests/test_downloadermiddleware_decompression.py diff --git a/scrapy/downloadermiddlewares/decompression.py b/scrapy/downloadermiddlewares/decompression.py deleted file mode 100644 index 3b8702419..000000000 --- a/scrapy/downloadermiddlewares/decompression.py +++ /dev/null @@ -1,94 +0,0 @@ -""" This module implements the DecompressionMiddleware which tries to recognise -and extract the potentially compressed responses that may arrive. -""" - -import bz2 -import gzip -import logging -import tarfile -import zipfile -from io import BytesIO -from tempfile import mktemp -from warnings import warn - -from scrapy.exceptions import ScrapyDeprecationWarning -from scrapy.responsetypes import responsetypes - -warn( - "scrapy.downloadermiddlewares.decompression is deprecated", - ScrapyDeprecationWarning, - stacklevel=2, -) - - -logger = logging.getLogger(__name__) - - -class DecompressionMiddleware: - """This middleware tries to recognise and extract the possibly compressed - responses that may arrive.""" - - def __init__(self): - self._formats = { - "tar": self._is_tar, - "zip": self._is_zip, - "gz": self._is_gzip, - "bz2": self._is_bzip2, - } - - def _is_tar(self, response): - archive = BytesIO(response.body) - try: - tar_file = tarfile.open(name=mktemp(), fileobj=archive) - except tarfile.ReadError: - return - - body = tar_file.extractfile(tar_file.members[0]).read() - respcls = responsetypes.from_args(filename=tar_file.members[0].name, body=body) - return response.replace(body=body, cls=respcls) - - def _is_zip(self, response): - archive = BytesIO(response.body) - try: - zip_file = zipfile.ZipFile(archive) - except zipfile.BadZipFile: - return - - namelist = zip_file.namelist() - body = zip_file.read(namelist[0]) - respcls = responsetypes.from_args(filename=namelist[0], body=body) - return response.replace(body=body, cls=respcls) - - def _is_gzip(self, response): - archive = BytesIO(response.body) - try: - body = gzip.GzipFile(fileobj=archive).read() - except OSError: - return - - respcls = responsetypes.from_args(body=body) - return response.replace(body=body, cls=respcls) - - def _is_bzip2(self, response): - try: - body = bz2.decompress(response.body) - except OSError: - return - - respcls = responsetypes.from_args(body=body) - return response.replace(body=body, cls=respcls) - - def process_response(self, request, response, spider): - if not response.body: - return response - - for fmt, func in self._formats.items(): - new_response = func(response) - if new_response: - logger.debug( - "Decompressed response with format: %(responsefmt)s", - {"responsefmt": fmt}, - extra={"spider": spider}, - ) - return new_response - return response diff --git a/tests/test_downloadermiddleware_decompression.py b/tests/test_downloadermiddleware_decompression.py deleted file mode 100644 index 95739414e..000000000 --- a/tests/test_downloadermiddleware_decompression.py +++ /dev/null @@ -1,53 +0,0 @@ -from unittest import TestCase, main - -from scrapy.downloadermiddlewares.decompression import DecompressionMiddleware -from scrapy.http import Response, XmlResponse -from scrapy.spiders import Spider -from scrapy.utils.test import assert_samelines -from tests import get_testdata - - -def _test_data(formats): - uncompressed_body = get_testdata("compressed", "feed-sample1.xml") - test_responses = {} - for format in formats: - body = get_testdata("compressed", "feed-sample1." + format) - test_responses[format] = Response("http://foo.com/bar", body=body) - return uncompressed_body, test_responses - - -class DecompressionMiddlewareTest(TestCase): - test_formats = ["tar", "xml.bz2", "xml.gz", "zip"] - uncompressed_body, test_responses = _test_data(test_formats) - - def setUp(self): - self.mw = DecompressionMiddleware() - self.spider = Spider("foo") - - def test_known_compression_formats(self): - for fmt in self.test_formats: - rsp = self.test_responses[fmt] - new = self.mw.process_response(None, rsp, self.spider) - error_msg = f"Failed {fmt}, response type {type(new).__name__}" - assert isinstance(new, XmlResponse), error_msg - assert_samelines(self, new.body, self.uncompressed_body, fmt) - - def test_plain_response(self): - rsp = Response(url="http://test.com", body=self.uncompressed_body) - new = self.mw.process_response(None, rsp, self.spider) - assert new is rsp - assert_samelines(self, new.body, rsp.body) - - def test_empty_response(self): - rsp = Response(url="http://test.com", body=b"") - new = self.mw.process_response(None, rsp, self.spider) - assert new is rsp - assert not rsp.body - assert not new.body - - def tearDown(self): - del self.mw - - -if __name__ == "__main__": - main() From 12b10a7a6427c43968cc18d98a3ed3c6366eeabd Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 13 Dec 2023 13:35:05 +0100 Subject: [PATCH 043/786] Cover scrapy.downloadermiddlewares.decompression in the release notes --- docs/news.rst | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/docs/news.rst b/docs/news.rst index c4081b99b..a12bda53f 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -16,6 +16,10 @@ Scrapy 2.11.1 (unreleased) .. _7j7m-v7m3-jqm7 security advisory: https://github.com/scrapy/scrapy/security/advisories/GHSA-7j7m-v7m3-jqm7 +- Also in relation with the `7j7m-v7m3-jqm7 security advisory`_, the + deprecated ``scrapy.downloadermiddlewares.decompression`` module has been + removed. + .. _release-2.11.0: @@ -2896,6 +2900,10 @@ Scrapy 1.8.4 (unreleased) to the decompressed response body. Please, see the `7j7m-v7m3-jqm7 security advisory`_ for more information. +- Also in relation with the `7j7m-v7m3-jqm7 security advisory`_, use of the + ``scrapy.downloadermiddlewares.decompression`` module is discouraged and + will trigger a warning. + .. _release-1.8.3: From 4f72b49f975a406784779dc19ede31364f92235f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Fri, 15 Dec 2023 10:06:13 +0100 Subject: [PATCH 044/786] Fix namespaces nodename support for xmliter_lxml --- scrapy/utils/iterators.py | 23 +++++++++++++++++++++-- tests/test_utils_iterators.py | 5 ----- 2 files changed, 21 insertions(+), 7 deletions(-) diff --git a/scrapy/utils/iterators.py b/scrapy/utils/iterators.py index 6b89334e0..9c53ab524 100644 --- a/scrapy/utils/iterators.py +++ b/scrapy/utils/iterators.py @@ -12,11 +12,14 @@ from typing import ( List, Literal, Optional, + Tuple, Union, cast, overload, ) +from lxml import etree + from scrapy.http import Response, TextResponse from scrapy.selector import Selector from scrapy.utils.python import re_rsearch, to_unicode @@ -77,15 +80,31 @@ def xmliter( yield Selector(text=nodetext, type="xml") +def _resolve_xml_namespace(element_name: str, data: bytes) -> Tuple[str, str]: + if ":" not in element_name: + return element_name, None, None + reader: "SupportsReadClose[bytes]" = _StreamReader(data) + node_prefix, element_name = element_name.split(":", maxsplit=1) + ns_iterator = etree.iterparse( + reader, encoding=reader.encoding, events=("start-ns",) + ) + for event, (_prefix, _namespace) in ns_iterator: + if _prefix != node_prefix: + continue + return element_name, _prefix, _namespace + return f"{node_prefix}:{element_name}", None, None + + def xmliter_lxml( obj: Union[Response, str, bytes], nodename: str, namespace: Optional[str] = None, prefix: str = "x", ) -> Generator[Selector, Any, None]: - from lxml import etree + if not namespace: + nodename, prefix, namespace = _resolve_xml_namespace(nodename, obj) - reader = _StreamReader(obj) + reader: "SupportsReadClose[bytes]" = _StreamReader(obj) tag = f"{{{namespace}}}{nodename}" if namespace else nodename iterable = etree.iterparse( cast("SupportsReadClose[bytes]", reader), tag=tag, encoding=reader.encoding diff --git a/tests/test_utils_iterators.py b/tests/test_utils_iterators.py index 3598fa0bb..24f03155b 100644 --- a/tests/test_utils_iterators.py +++ b/tests/test_utils_iterators.py @@ -1,4 +1,3 @@ -from pytest import mark from twisted.trial import unittest from scrapy.http import Response, TextResponse, XmlResponse @@ -247,10 +246,6 @@ class XmliterTestCase(unittest.TestCase): class LxmlXmliterTestCase(XmliterTestCase): xmliter = staticmethod(xmliter_lxml) - @mark.xfail(reason="known bug of the current implementation") - def test_xmliter_namespaced_nodename(self): - super().test_xmliter_namespaced_nodename() - def test_xmliter_iterate_namespace(self): body = b""" From d50f436a73ef13fca8d3d9c302ae1a48e984a4a5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Fri, 15 Dec 2023 10:08:45 +0100 Subject: [PATCH 045/786] Enable huge_tree for xmliter_lxml --- scrapy/utils/iterators.py | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/scrapy/utils/iterators.py b/scrapy/utils/iterators.py index 9c53ab524..1c51c0c6a 100644 --- a/scrapy/utils/iterators.py +++ b/scrapy/utils/iterators.py @@ -86,7 +86,10 @@ def _resolve_xml_namespace(element_name: str, data: bytes) -> Tuple[str, str]: reader: "SupportsReadClose[bytes]" = _StreamReader(data) node_prefix, element_name = element_name.split(":", maxsplit=1) ns_iterator = etree.iterparse( - reader, encoding=reader.encoding, events=("start-ns",) + reader, + encoding=reader.encoding, + events=("start-ns",), + huge_tree=True, ) for event, (_prefix, _namespace) in ns_iterator: if _prefix != node_prefix: @@ -107,7 +110,10 @@ def xmliter_lxml( reader: "SupportsReadClose[bytes]" = _StreamReader(obj) tag = f"{{{namespace}}}{nodename}" if namespace else nodename iterable = etree.iterparse( - cast("SupportsReadClose[bytes]", reader), tag=tag, encoding=reader.encoding + reader, + tag=tag, + encoding=reader.encoding, + huge_tree=True, ) selxpath = "//" + (f"{prefix}:{nodename}" if namespace else nodename) for _, node in iterable: From 9655b0b8eb4bbc66b0fe540a19265b6342cf371b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Fri, 15 Dec 2023 10:19:47 +0100 Subject: [PATCH 046/786] Mark slow tests, with their own tox env and CI job --- .github/workflows/tests-ubuntu.yml | 6 ++++ pytest.ini | 2 ++ tests/test_utils_response.py | 50 +++++++++++++++++------------- tox.ini | 6 ++++ 4 files changed, 42 insertions(+), 22 deletions(-) diff --git a/.github/workflows/tests-ubuntu.yml b/.github/workflows/tests-ubuntu.yml index 5ff92a571..7562cf22b 100644 --- a/.github/workflows/tests-ubuntu.yml +++ b/.github/workflows/tests-ubuntu.yml @@ -47,6 +47,9 @@ jobs: - python-version: "3.11" env: TOXENV: botocore + - python-version: "3.11" + env: + TOXENV: slow - python-version: "3.12.0-rc.2" env: @@ -57,6 +60,9 @@ jobs: - python-version: "3.12.0-rc.2" env: TOXENV: extra-deps + - python-version: "3.12.0-rc.2" + env: + TOXENV: slow steps: - uses: actions/checkout@v3 diff --git a/pytest.ini b/pytest.ini index 16983be5e..877fbcd1d 100644 --- a/pytest.ini +++ b/pytest.ini @@ -17,10 +17,12 @@ addopts = --ignore=docs/topics/stats.rst --ignore=docs/topics/telnetconsole.rst --ignore=docs/utils + -m 'not slow' markers = only_asyncio: marks tests as only enabled when --reactor=asyncio is passed only_not_asyncio: marks tests as only enabled when --reactor=asyncio is not passed requires_uvloop: marks tests as only enabled when uvloop is known to be working + slow: marks tests as slow, not executed by default filterwarnings = ignore:scrapy.downloadermiddlewares.decompression is deprecated ignore:Module scrapy.utils.reqser is deprecated diff --git a/tests/test_utils_response.py b/tests/test_utils_response.py index 942584d92..93b9bacaf 100644 --- a/tests/test_utils_response.py +++ b/tests/test_utils_response.py @@ -4,6 +4,8 @@ from pathlib import Path from time import process_time from urllib.parse import urlparse +import pytest + from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.http import HtmlResponse, Response, TextResponse from scrapy.settings.default_settings import DOWNLOAD_MAXSIZE @@ -201,36 +203,40 @@ class ResponseUtilsTest(unittest.TestCase): r5, _openfunc=check_base_url ), "Inject unique base url with conditional comment" - def test_open_in_browser_redos_comment(self): - MAX_CPU_TIME = 30 - # Exploit input from - # https://makenowjust-labs.github.io/recheck/playground/ - # for // (old pattern to remove comments). - body = b"->" +@pytest.mark.slow +def test_open_in_browser_redos_comment(): + MAX_CPU_TIME = 30 - response = HtmlResponse("https://example.com", body=body) + # Exploit input from + # https://makenowjust-labs.github.io/recheck/playground/ + # for // (old pattern to remove comments). + body = b"->" - start_time = process_time() + response = HtmlResponse("https://example.com", body=body) - open_in_browser(response, lambda url: True) + start_time = process_time() - end_time = process_time() - self.assertLess(end_time - start_time, MAX_CPU_TIME) + open_in_browser(response, lambda url: True) - def test_open_in_browser_redos_head(self): - MAX_CPU_TIME = 15 + end_time = process_time() + assert (end_time - start_time) < MAX_CPU_TIME - # Exploit input from - # https://makenowjust-labs.github.io/recheck/playground/ - # for /(|\s.*?>))/ (old pattern to find the head element). - body = b"|\s.*?>))/ (old pattern to find the head element). + body = b" Date: Fri, 15 Dec 2023 10:23:24 +0100 Subject: [PATCH 047/786] Restore the implementation of xmliter --- scrapy/utils/iterators.py | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/scrapy/utils/iterators.py b/scrapy/utils/iterators.py index 1c51c0c6a..b67029433 100644 --- a/scrapy/utils/iterators.py +++ b/scrapy/utils/iterators.py @@ -43,10 +43,10 @@ def xmliter( """ nodename_patt = re.escape(nodename) - DOCUMENT_HEADER_RE = re.compile(r"<\?xml[^>]{1,1024}>\s*", re.S) + DOCUMENT_HEADER_RE = re.compile(r"<\?xml[^>]+>\s*", re.S) HEADER_END_RE = re.compile(rf"<\s*/{nodename_patt}\s*>", re.S) - END_TAG_RE = re.compile(r"<\s*/([^\s>]{1,1024})\s*>", re.S) - NAMESPACE_RE = re.compile(r"((xmlns[:A-Za-z]{,1024})=[^>\s]+)", re.S) + END_TAG_RE = re.compile(r"<\s*/([^\s>]+)\s*>", re.S) + NAMESPACE_RE = re.compile(r"((xmlns[:A-Za-z]*)=[^>\s]+)", re.S) text = _body_or_str(obj) document_header_match = re.search(DOCUMENT_HEADER_RE, text) @@ -60,15 +60,13 @@ def xmliter( for tagname in reversed(re.findall(END_TAG_RE, header_end)): assert header_end_idx tag = re.search( - rf"<\s*{tagname}.{{,1024}}?xmlns[:=][^>]{{,1024}}>", - text[: header_end_idx[1]], - re.S, + rf"<\s*{tagname}.*?xmlns[:=][^>]*>", text[: header_end_idx[1]], re.S ) if tag: for x in re.findall(NAMESPACE_RE, tag.group()): namespaces[x[1]] = x[0] - r = re.compile(rf"<{nodename_patt}[\s>].{{,1024}}?", re.DOTALL) + r = re.compile(rf"<{nodename_patt}[\s>].*?", re.DOTALL) for match in r.finditer(text): nodetext = ( document_header From 150d96764b5a455c75315596ca8ba5ded0f416dd Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Fri, 15 Dec 2023 11:42:55 +0100 Subject: [PATCH 048/786] Deprecate xmliter in favor of xmliter_lxml --- docs/faq.rst | 10 ++++--- docs/news.rst | 32 +++++++++++++++++----- scrapy/spiders/feed.py | 4 +-- scrapy/utils/iterators.py | 23 ++++++++++++++-- tests/test_utils_iterators.py | 35 +++++++++++++++++++++--- tests/test_utils_response.py | 50 +++++++++++++++++------------------ 6 files changed, 110 insertions(+), 44 deletions(-) diff --git a/docs/faq.rst b/docs/faq.rst index 20dd814df..657802fd3 100644 --- a/docs/faq.rst +++ b/docs/faq.rst @@ -297,9 +297,13 @@ build the DOM of the entire feed in memory, and this can be quite slow and consume a lot of memory. In order to avoid parsing all the entire feed at once in memory, you can use -the functions ``xmliter`` and ``csviter`` from ``scrapy.utils.iterators`` -module. In fact, this is what the feed spiders (see :ref:`topics-spiders`) use -under the cover. +the :func:`~scrapy.utils.iterators.xmliter_lxml` and +:func:`~scrapy.utils.iterators.csviter` functions. In fact, this is what +:class:`~scrapy.spiders.XMLFeedSpider` uses. + +.. autofunction:: scrapy.utils.iterators.xmliter_lxml + +.. autofunction:: scrapy.utils.iterators.csviter Does Scrapy manage cookies automatically? ----------------------------------------- diff --git a/docs/news.rst b/docs/news.rst index c14815d06..57b99e94f 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -10,12 +10,23 @@ Scrapy 2.11.1 (unreleased) **Security bug fix:** -- Fixed regular expressions susceptible to a `ReDoS attack`_ affecting the - ``iternodes`` node iterator of :class:`~scrapy.spiders.XMLFeedSpider` and - the :func:`~scrapy.utils.response.open_in_browser` function. Please, see - the `cc65-xxvf-f7r9 security advisory`_ for more information. +- Addressed `ReDoS vulnerabilities`_: - .. _ReDoS attack: https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS + - ``scrapy.utils.iterators.xmliter`` is now deprecated in favor of + :func:`~scrapy.utils.iterators.xmliter_lxml`, which + :class:`~scrapy.spiders.XMLFeedSpider` now uses. + + To minimize the impact of this change on existing code, + :func:`~scrapy.utils.iterators.xmliter_lxml` now supports indicating + the node namespace with a prefix in the node name, and big files with + highly nested trees. + + - Fixed regular expressions in the implementation of the + :func:`~scrapy.utils.response.open_in_browser` function. + + Please, see the `cc65-xxvf-f7r9 security advisory`_ for more information. + + .. _ReDoS vulnerabilities: https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS .. _cc65-xxvf-f7r9 security advisory: https://github.com/scrapy/scrapy/security/advisories/GHSA-cc65-xxvf-f7r9 @@ -2892,8 +2903,15 @@ Scrapy 1.8.4 (unreleased) **Security bug fix:** -- Fixed regular expressions susceptible to a `ReDoS attack`_ affecting the - ``iternodes`` node iterator of :class:`~scrapy.spiders.XMLFeedSpider`. +- Due to its `ReDoS vulnerabilities`_, ``scrapy.utils.iterators.xmliter`` is + now deprecated in favor of :func:`~scrapy.utils.iterators.xmliter_lxml`, + which :class:`~scrapy.spiders.XMLFeedSpider` now uses. + + To minimize the impact of this change on existing code, + :func:`~scrapy.utils.iterators.xmliter_lxml` now supports indicating + the node namespace as a prefix in the node name, and big files with highly + nested trees when using lxml 4.2 or later. + Please, see the `cc65-xxvf-f7r9 security advisory`_ for more information. diff --git a/scrapy/spiders/feed.py b/scrapy/spiders/feed.py index 6afadc577..42675c76a 100644 --- a/scrapy/spiders/feed.py +++ b/scrapy/spiders/feed.py @@ -7,7 +7,7 @@ See documentation in docs/topics/spiders.rst from scrapy.exceptions import NotConfigured, NotSupported from scrapy.selector import Selector from scrapy.spiders import Spider -from scrapy.utils.iterators import csviter, xmliter +from scrapy.utils.iterators import csviter, xmliter_lxml from scrapy.utils.spider import iterate_spider_output @@ -84,7 +84,7 @@ class XMLFeedSpider(Spider): return self.parse_nodes(response, nodes) def _iternodes(self, response): - for node in xmliter(response, self.itertag): + for node in xmliter_lxml(response, self.itertag): self._register_namespaces(node) yield node diff --git a/scrapy/utils/iterators.py b/scrapy/utils/iterators.py index b67029433..7574e377a 100644 --- a/scrapy/utils/iterators.py +++ b/scrapy/utils/iterators.py @@ -17,9 +17,12 @@ from typing import ( cast, overload, ) +from warnings import warn from lxml import etree +from packaging.version import Version +from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.http import Response, TextResponse from scrapy.selector import Selector from scrapy.utils.python import re_rsearch, to_unicode @@ -29,6 +32,12 @@ if TYPE_CHECKING: logger = logging.getLogger(__name__) +_LXML_VERSION = Version(etree.__version__) +_LXML_HUGE_TREE_VERSION = Version("4.2") +_ITERPARSE_KWARGS = {} +if _LXML_VERSION >= _LXML_HUGE_TREE_VERSION: + _ITERPARSE_KWARGS["huge_tree"] = True + def xmliter( obj: Union[Response, str, bytes], nodename: str @@ -41,6 +50,16 @@ def xmliter( - a unicode string - a string encoded as utf-8 """ + warn( + ( + "xmliter is deprecated and its use strongly discouraged because " + "it is vulnerable to ReDoS attacks. Use xmliter_lxml instead. See " + "https://github.com/scrapy/scrapy/security/advisories/GHSA-cc65-xxvf-f7r9" + ), + ScrapyDeprecationWarning, + stacklevel=2, + ) + nodename_patt = re.escape(nodename) DOCUMENT_HEADER_RE = re.compile(r"<\?xml[^>]+>\s*", re.S) @@ -87,7 +106,7 @@ def _resolve_xml_namespace(element_name: str, data: bytes) -> Tuple[str, str]: reader, encoding=reader.encoding, events=("start-ns",), - huge_tree=True, + **_ITERPARSE_KWARGS, ) for event, (_prefix, _namespace) in ns_iterator: if _prefix != node_prefix: @@ -111,7 +130,7 @@ def xmliter_lxml( reader, tag=tag, encoding=reader.encoding, - huge_tree=True, + **_ITERPARSE_KWARGS, ) selxpath = "//" + (f"{prefix}:{nodename}" if namespace else nodename) for _, node in iterable: diff --git a/tests/test_utils_iterators.py b/tests/test_utils_iterators.py index 24f03155b..505cc276c 100644 --- a/tests/test_utils_iterators.py +++ b/tests/test_utils_iterators.py @@ -1,13 +1,14 @@ +import pytest from twisted.trial import unittest +from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.http import Response, TextResponse, XmlResponse from scrapy.utils.iterators import _body_or_str, csviter, xmliter, xmliter_lxml from tests import get_testdata -class XmliterTestCase(unittest.TestCase): - xmliter = staticmethod(xmliter) - +class XmliterBaseTestCase: + @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter(self): body = b""" @@ -39,6 +40,7 @@ class XmliterTestCase(unittest.TestCase): attrs, [("001", ["Name 1"], ["Type 1"]), ("002", ["Name 2"], ["Type 2"])] ) + @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter_unusual_node(self): body = b""" @@ -52,6 +54,7 @@ class XmliterTestCase(unittest.TestCase): ] self.assertEqual(nodenames, [["matchme..."]]) + @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter_unicode(self): # example taken from https://github.com/scrapy/scrapy/issues/1665 body = """ @@ -111,6 +114,7 @@ class XmliterTestCase(unittest.TestCase): [("26", ["-"], ["80"]), ("21", ["Ab"], ["76"]), ("27", ["A"], ["27"])], ) + @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter_text(self): body = ( '' @@ -122,6 +126,7 @@ class XmliterTestCase(unittest.TestCase): [["one"], ["two"]], ) + @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter_namespaces(self): body = b""" @@ -161,6 +166,7 @@ class XmliterTestCase(unittest.TestCase): self.assertEqual(node.xpath("id/text()").getall(), []) self.assertEqual(node.xpath("price/text()").getall(), []) + @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter_namespaced_nodename(self): body = b""" @@ -189,6 +195,7 @@ class XmliterTestCase(unittest.TestCase): ["http://www.mydummycompany.com/images/item1.jpg"], ) + @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter_namespaced_nodename_missing(self): body = b""" @@ -213,6 +220,7 @@ class XmliterTestCase(unittest.TestCase): with self.assertRaises(StopIteration): next(my_iter) + @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter_exception(self): body = ( '' @@ -225,10 +233,12 @@ class XmliterTestCase(unittest.TestCase): self.assertRaises(StopIteration, next, iter) + @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter_objtype_exception(self): i = self.xmliter(42, "product") self.assertRaises(TypeError, next, i) + @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter_encoding(self): body = ( b'\n' @@ -243,7 +253,24 @@ class XmliterTestCase(unittest.TestCase): ) -class LxmlXmliterTestCase(XmliterTestCase): +class XmliterTestCase(XmliterBaseTestCase, unittest.TestCase): + xmliter = staticmethod(xmliter) + + def test_deprecation(self): + body = b""" + + + + + """ + with pytest.warns( + ScrapyDeprecationWarning, + match="xmliter", + ): + next(self.xmliter(body, "product")) + + +class LxmlXmliterTestCase(XmliterBaseTestCase, unittest.TestCase): xmliter = staticmethod(xmliter_lxml) def test_xmliter_iterate_namespace(self): diff --git a/tests/test_utils_response.py b/tests/test_utils_response.py index 93b9bacaf..1dbe187bf 100644 --- a/tests/test_utils_response.py +++ b/tests/test_utils_response.py @@ -203,40 +203,38 @@ class ResponseUtilsTest(unittest.TestCase): r5, _openfunc=check_base_url ), "Inject unique base url with conditional comment" + @pytest.mark.slow + def test_open_in_browser_redos_comment(self): + MAX_CPU_TIME = 30 -@pytest.mark.slow -def test_open_in_browser_redos_comment(): - MAX_CPU_TIME = 30 + # Exploit input from + # https://makenowjust-labs.github.io/recheck/playground/ + # for // (old pattern to remove comments). + body = b"->" - # Exploit input from - # https://makenowjust-labs.github.io/recheck/playground/ - # for // (old pattern to remove comments). - body = b"->" + response = HtmlResponse("https://example.com", body=body) - response = HtmlResponse("https://example.com", body=body) + start_time = process_time() - start_time = process_time() + open_in_browser(response, lambda url: True) - open_in_browser(response, lambda url: True) + end_time = process_time() + self.assertLess(end_time - start_time, MAX_CPU_TIME) - end_time = process_time() - assert (end_time - start_time) < MAX_CPU_TIME + @pytest.mark.slow + def test_open_in_browser_redos_head(self): + MAX_CPU_TIME = 15 + # Exploit input from + # https://makenowjust-labs.github.io/recheck/playground/ + # for /(|\s.*?>))/ (old pattern to find the head element). + body = b"|\s.*?>))/ (old pattern to find the head element). - body = b" Date: Fri, 15 Dec 2023 11:49:22 +0100 Subject: [PATCH 049/786] Minor naming changes --- scrapy/utils/iterators.py | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/scrapy/utils/iterators.py b/scrapy/utils/iterators.py index 7574e377a..f239630f4 100644 --- a/scrapy/utils/iterators.py +++ b/scrapy/utils/iterators.py @@ -101,18 +101,18 @@ def _resolve_xml_namespace(element_name: str, data: bytes) -> Tuple[str, str]: if ":" not in element_name: return element_name, None, None reader: "SupportsReadClose[bytes]" = _StreamReader(data) - node_prefix, element_name = element_name.split(":", maxsplit=1) + input_prefix, element_name = element_name.split(":", maxsplit=1) ns_iterator = etree.iterparse( reader, encoding=reader.encoding, events=("start-ns",), **_ITERPARSE_KWARGS, ) - for event, (_prefix, _namespace) in ns_iterator: - if _prefix != node_prefix: + for event, (prefix, namespace) in ns_iterator: + if prefix != input_prefix: continue - return element_name, _prefix, _namespace - return f"{node_prefix}:{element_name}", None, None + return element_name, prefix, namespace + return f"{input_prefix}:{element_name}", None, None def xmliter_lxml( From a49c8762dd163b60cc73c4486a662471cfa7ac7d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Fri, 15 Dec 2023 12:14:53 +0100 Subject: [PATCH 050/786] Avoid calling iterparse twice --- scrapy/utils/iterators.py | 42 +++++++++++++++++---------------------- 1 file changed, 18 insertions(+), 24 deletions(-) diff --git a/scrapy/utils/iterators.py b/scrapy/utils/iterators.py index f239630f4..8610e9b77 100644 --- a/scrapy/utils/iterators.py +++ b/scrapy/utils/iterators.py @@ -12,7 +12,6 @@ from typing import ( List, Literal, Optional, - Tuple, Union, cast, overload, @@ -97,43 +96,38 @@ def xmliter( yield Selector(text=nodetext, type="xml") -def _resolve_xml_namespace(element_name: str, data: bytes) -> Tuple[str, str]: - if ":" not in element_name: - return element_name, None, None - reader: "SupportsReadClose[bytes]" = _StreamReader(data) - input_prefix, element_name = element_name.split(":", maxsplit=1) - ns_iterator = etree.iterparse( - reader, - encoding=reader.encoding, - events=("start-ns",), - **_ITERPARSE_KWARGS, - ) - for event, (prefix, namespace) in ns_iterator: - if prefix != input_prefix: - continue - return element_name, prefix, namespace - return f"{input_prefix}:{element_name}", None, None - - def xmliter_lxml( obj: Union[Response, str, bytes], nodename: str, namespace: Optional[str] = None, prefix: str = "x", ) -> Generator[Selector, Any, None]: - if not namespace: - nodename, prefix, namespace = _resolve_xml_namespace(nodename, obj) - reader: "SupportsReadClose[bytes]" = _StreamReader(obj) tag = f"{{{namespace}}}{nodename}" if namespace else nodename iterable = etree.iterparse( reader, - tag=tag, encoding=reader.encoding, + events=("end", "start-ns"), **_ITERPARSE_KWARGS, ) selxpath = "//" + (f"{prefix}:{nodename}" if namespace else nodename) - for _, node in iterable: + needs_namespace_resolution = not namespace and ":" in nodename + if needs_namespace_resolution: + prefix, nodename = nodename.split(":", maxsplit=1) + for event, data in iterable: + if event == "start-ns": + if needs_namespace_resolution: + _prefix, _namespace = data + if _prefix != prefix: + continue + namespace = _namespace + needs_namespace_resolution = False + selxpath = f"//{prefix}:{nodename}" + tag = f"{{{namespace}}}{nodename}" + continue + node = data + if node.tag != tag: + continue nodetext = etree.tostring(node, encoding="unicode") node.clear() xs = Selector(text=nodetext, type="xml") From ce9d290eff8b5992023ffa5e833881b83a0669c3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Fri, 15 Dec 2023 12:23:26 +0100 Subject: [PATCH 051/786] Remove the lxml version check for huge_tree on xmliter_lxml iterparse supports the option since lxml 2.2.1, it was the HTML parser that only got it in 4.2 --- docs/news.rst | 2 +- scrapy/utils/iterators.py | 9 +-------- 2 files changed, 2 insertions(+), 9 deletions(-) diff --git a/docs/news.rst b/docs/news.rst index 525ddbf40..fab8b6f20 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -19,7 +19,7 @@ Scrapy 2.11.1 (unreleased) To minimize the impact of this change on existing code, :func:`~scrapy.utils.iterators.xmliter_lxml` now supports indicating the node namespace with a prefix in the node name, and big files with - highly nested trees. + highly nested trees when using libxml2 2.7+. - Fixed regular expressions in the implementation of the :func:`~scrapy.utils.response.open_in_browser` function. diff --git a/scrapy/utils/iterators.py b/scrapy/utils/iterators.py index 8610e9b77..b6abe2e0c 100644 --- a/scrapy/utils/iterators.py +++ b/scrapy/utils/iterators.py @@ -19,7 +19,6 @@ from typing import ( from warnings import warn from lxml import etree -from packaging.version import Version from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.http import Response, TextResponse @@ -31,12 +30,6 @@ if TYPE_CHECKING: logger = logging.getLogger(__name__) -_LXML_VERSION = Version(etree.__version__) -_LXML_HUGE_TREE_VERSION = Version("4.2") -_ITERPARSE_KWARGS = {} -if _LXML_VERSION >= _LXML_HUGE_TREE_VERSION: - _ITERPARSE_KWARGS["huge_tree"] = True - def xmliter( obj: Union[Response, str, bytes], nodename: str @@ -108,7 +101,7 @@ def xmliter_lxml( reader, encoding=reader.encoding, events=("end", "start-ns"), - **_ITERPARSE_KWARGS, + huge_tree=True, ) selxpath = "//" + (f"{prefix}:{nodename}" if namespace else nodename) needs_namespace_resolution = not namespace and ":" in nodename From bc138ef8e958f4bac5a4413d40566efc2b59acfa Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Fri, 15 Dec 2023 12:24:04 +0100 Subject: [PATCH 052/786] Minor release notes fix --- docs/news.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/news.rst b/docs/news.rst index fab8b6f20..f346d1239 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -2912,7 +2912,7 @@ Scrapy 1.8.4 (unreleased) To minimize the impact of this change on existing code, :func:`~scrapy.utils.iterators.xmliter_lxml` now supports indicating the node namespace as a prefix in the node name, and big files with highly - nested trees when using lxml 4.2 or later. + nested trees when using libxml2 2.7+. Please, see the `cc65-xxvf-f7r9 security advisory`_ for more information. From c7c7a488b950806888691f58dda0b06478b98c7c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Fri, 15 Dec 2023 13:18:23 +0100 Subject: [PATCH 053/786] Fix typing issues --- scrapy/utils/iterators.py | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/scrapy/utils/iterators.py b/scrapy/utils/iterators.py index b6abe2e0c..ab48e525f 100644 --- a/scrapy/utils/iterators.py +++ b/scrapy/utils/iterators.py @@ -95,10 +95,10 @@ def xmliter_lxml( namespace: Optional[str] = None, prefix: str = "x", ) -> Generator[Selector, Any, None]: - reader: "SupportsReadClose[bytes]" = _StreamReader(obj) + reader = _StreamReader(obj) tag = f"{{{namespace}}}{nodename}" if namespace else nodename iterable = etree.iterparse( - reader, + cast("SupportsReadClose[bytes]", reader), encoding=reader.encoding, events=("end", "start-ns"), huge_tree=True, @@ -109,6 +109,7 @@ def xmliter_lxml( prefix, nodename = nodename.split(":", maxsplit=1) for event, data in iterable: if event == "start-ns": + assert isinstance(data, tuple) if needs_namespace_resolution: _prefix, _namespace = data if _prefix != prefix: @@ -118,6 +119,7 @@ def xmliter_lxml( selxpath = f"//{prefix}:{nodename}" tag = f"{{{namespace}}}{nodename}" continue + assert isinstance(data, etree._Element) node = data if node.tag != tag: continue From 27781a85e738052e0441c81d773b3ec124194594 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Fri, 15 Dec 2023 13:52:12 +0100 Subject: [PATCH 054/786] Fix bad closing tags in XMLFeedSpider tests --- tests/test_spider.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tests/test_spider.py b/tests/test_spider.py index 00da3d485..5c4007d87 100644 --- a/tests/test_spider.py +++ b/tests/test_spider.py @@ -149,10 +149,10 @@ class XMLFeedSpiderTest(SpiderTest): body = b""" - http://www.example.com/Special-Offers.html2009-08-16 + http://www.example.com/Special-Offers.html2009-08-16 - http://www.example.com/2009-08-16 + http://www.example.com/2009-08-16 """ response = XmlResponse(url="http://example.com/sitemap.xml", body=body) From 1fab844f7dd5fe622899c41ad8a0d28dd27c5089 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 20 Dec 2023 15:57:51 +0400 Subject: [PATCH 055/786] Pin the Python version for typing-tests. --- tox.ini | 1 + 1 file changed, 1 insertion(+) diff --git a/tox.ini b/tox.ini index 21ac4c3ff..f0788c0af 100644 --- a/tox.ini +++ b/tox.ini @@ -47,6 +47,7 @@ commands = mypy {posargs: scrapy tests} [testenv:typing-tests] +basepython = python3.8 deps = -rtests/requirements.txt {[testenv:typing]deps} From a72394a388a8c41ab07f4511b096d85e6de168fe Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 20 Dec 2023 16:14:53 +0400 Subject: [PATCH 056/786] Add tests for replace() with kwargs. --- tests_typing/test_http_request.mypy-testing | 14 ++++++++++++++ tests_typing/test_http_response.mypy-testing | 14 ++++++++++++++ 2 files changed, 28 insertions(+) diff --git a/tests_typing/test_http_request.mypy-testing b/tests_typing/test_http_request.mypy-testing index 636e6895f..665db9088 100644 --- a/tests_typing/test_http_request.mypy-testing +++ b/tests_typing/test_http_request.mypy-testing @@ -1,3 +1,5 @@ +from typing import Any, Dict + import pytest from scrapy import Request @@ -33,6 +35,9 @@ def mypy_test_copy(): req_copy = req.copy() reveal_type(req_copy) # R: scrapy.http.request.Request + +@pytest.mark.mypy_testing +def mypy_test_copy_subclass(): req = MyRequest("data:,") reveal_type(req) # R: __main__.MyRequest req_copy = req.copy() @@ -45,13 +50,22 @@ def mypy_test_replace(): reveal_type(req) # R: scrapy.http.request.Request req_copy = req.replace(body=b"a") reveal_type(req_copy) # R: scrapy.http.request.Request + kwargs: Dict[str, Any] = {} + req_copy2 = req.replace(body=b"a", **kwargs) + reveal_type(req_copy2) # R: Any + +@pytest.mark.mypy_testing +def mypy_test_replace_subclass(): req = MyRequest("data:,") reveal_type(req) # R: __main__.MyRequest req_copy = req.replace(body=b"a") reveal_type(req_copy) # R: __main__.MyRequest req_copy2 = req.replace(body=b"a", cls=MyRequest2) reveal_type(req_copy2) # R: __main__.MyRequest2 + kwargs: Dict[str, Any] = {} + req_copy3 = req.replace(body=b"a", cls=MyRequest2, **kwargs) + reveal_type(req_copy3) # R: __main__.MyRequest2 @pytest.mark.mypy_testing diff --git a/tests_typing/test_http_response.mypy-testing b/tests_typing/test_http_response.mypy-testing index 2e58b4fbc..d58ac1027 100644 --- a/tests_typing/test_http_response.mypy-testing +++ b/tests_typing/test_http_response.mypy-testing @@ -1,3 +1,5 @@ +from typing import Any, Dict + import pytest from scrapy.http import HtmlResponse, Response, TextResponse @@ -24,6 +26,9 @@ def mypy_test_copy(): resp_copy = resp.copy() reveal_type(resp_copy) # R: scrapy.http.response.Response + +@pytest.mark.mypy_testing +def mypy_test_copy_subclass(): resp = HtmlResponse("data:,") reveal_type(resp) # R: scrapy.http.response.html.HtmlResponse resp_copy = resp.copy() @@ -36,10 +41,19 @@ def mypy_test_replace(): reveal_type(resp) # R: scrapy.http.response.Response resp_copy = resp.replace(body=b"a") reveal_type(resp_copy) # R: scrapy.http.response.Response + kwargs: Dict[str, Any] = {} + resp_copy2 = resp.replace(body=b"a", **kwargs) + reveal_type(resp_copy2) # R: Any + +@pytest.mark.mypy_testing +def mypy_test_replace_subclass(): resp = HtmlResponse("data:,") reveal_type(resp) # R: scrapy.http.response.html.HtmlResponse resp_copy = resp.replace(body=b"a") reveal_type(resp_copy) # R: scrapy.http.response.html.HtmlResponse resp_copy2 = resp.replace(body=b"a", cls=TextResponse) reveal_type(resp_copy2) # R: scrapy.http.response.text.TextResponse + kwargs: Dict[str, Any] = {} + resp_copy3 = resp.replace(body=b"a", cls=TextResponse, **kwargs) + reveal_type(resp_copy3) # R: scrapy.http.response.text.TextResponse From f56b5fc39ef3b322b8d0ad17fb424440bd79da0b Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 20 Dec 2023 16:19:11 +0400 Subject: [PATCH 057/786] Bump typing deps. --- tox.ini | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/tox.ini b/tox.ini index f0788c0af..25b30d759 100644 --- a/tox.ini +++ b/tox.ini @@ -33,14 +33,14 @@ install_command = [testenv:typing] basepython = python3 deps = - mypy==1.6.1 - typing-extensions==4.8.0 + mypy==1.7.1 + typing-extensions==4.9.0 types-attrs==19.1.0 types-lxml==2023.10.21 - types-Pillow==10.1.0.0 - types-Pygments==2.16.0.0 + types-Pillow==10.1.0.2 + types-Pygments==2.17.0.0 types-pyOpenSSL==23.3.0.0 - types-setuptools==68.2.0.0 + types-setuptools==69.0.0.0 # 2.1.2 fixes a typing bug: https://github.com/scrapy/w3lib/pull/211 w3lib >= 2.1.2 commands = From b095dd218fe64f2541079d691e3c2c68d2e03ff9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Thu, 30 Nov 2023 10:54:09 +0100 Subject: [PATCH 058/786] Extend Request.meta documentation (#5565) --- docs/topics/request-response.rst | 47 ++++++++++++++++++++++++++------ 1 file changed, 38 insertions(+), 9 deletions(-) diff --git a/docs/topics/request-response.rst b/docs/topics/request-response.rst index adf3d0f4a..8edf710bc 100644 --- a/docs/topics/request-response.rst +++ b/docs/topics/request-response.rst @@ -193,18 +193,47 @@ Request objects :meth:`replace`. .. attribute:: Request.meta + :value: {} - A dict that contains arbitrary metadata for this request. This dict is - empty for new Requests, and is usually populated by different Scrapy - components (extensions, middlewares, etc). So the data contained in this - dict depends on the extensions you have enabled. + A dictionary of arbitrary metadata for the request. - See :ref:`topics-request-meta` for a list of special meta keys - recognized by Scrapy. + You may extend request metadata as you see fit. - This dict is :doc:`shallow copied ` when the request is - cloned using the ``copy()`` or ``replace()`` methods, and can also be - accessed, in your spider, from the ``response.meta`` attribute. + Request metadata can also be accessed through the + :attr:`~scrapy.http.Response.meta` attribute of a response. + + To pass data from one spider callback to another, consider using + :attr:`cb_kwargs` instead. However, request metadata may be the right + choice in certain scenarios, such as to maintain some debugging data + across all follow-up requests (e.g. the source URL). + + A common use of request metadata is to define request-specific + parameters for Scrapy components (extensions, middlewares, etc.). For + example, if you set ``dont_retry`` to ``True``, + :class:`~scrapy.downloadermiddlewares.retry.RetryMiddleware` will never + retry that request, even if it fails. See :ref:`topics-request-meta`. + + You may also use request metadata in your custom Scrapy components, for + example, to keep request state information relevant to your component. + For example, + :class:`~scrapy.downloadermiddlewares.retry.RetryMiddleware` uses the + ``retry_times`` metadata key to keep track of how many times a request + has been retried so far. + + Copying all the metadata of a previous request into a new, follow-up + request in a spider callback is a bad practice, because request + metadata may include metadata set by Scrapy components that is not + meant to be copied into other requests. For example, copying the + ``retry_times`` metadata key into follow-up requests can lower the + amount of retries allowed for those follow-up requests. + + You should only copy all request metadata from one request to another + if the new request is meant to replace the old request, as is often the + case when returning a request from a :ref:`downloader middleware + ` method. + + Also mind that the :meth:`copy` and :meth:`replace` request methods + :doc:`shallow-copy ` request metadata. .. attribute:: Request.cb_kwargs From 369712ee50f7438c2863359f053cb1b221a42169 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Thu, 30 Nov 2023 11:01:22 +0100 Subject: [PATCH 059/786] =?UTF-8?q?SPM=20=E2=86=92=20Zyte=20API=20(#6163)?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- docs/topics/practices.rst | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/docs/topics/practices.rst b/docs/topics/practices.rst index f64da22d8..b1b8c9e9c 100644 --- a/docs/topics/practices.rst +++ b/docs/topics/practices.rst @@ -288,9 +288,8 @@ Here are some tips to keep in mind when dealing with these kinds of sites: * use a pool of rotating IPs. For example, the free `Tor project`_ or paid services like `ProxyMesh`_. An open source alternative is `scrapoxy`_, a super proxy that you can attach your own proxies to. -* use a highly distributed downloader that circumvents bans internally, so you - can just focus on parsing clean pages. One example of such downloaders is - `Zyte Smart Proxy Manager`_ +* use a ban avoidance service, such as `Zyte API`_, which provides a `Scrapy + plugin `__ If you are still unable to prevent your bot getting banned, consider contacting `commercial support`_. @@ -301,4 +300,4 @@ If you are still unable to prevent your bot getting banned, consider contacting .. _Common Crawl: https://commoncrawl.org/ .. _testspiders: https://github.com/scrapinghub/testspiders .. _scrapoxy: https://scrapoxy.io/ -.. _Zyte Smart Proxy Manager: https://www.zyte.com/smart-proxy-manager/ +.. _Zyte API: https://docs.zyte.com/zyte-api/get-started.html From 48a9a58ff27d24910b55a0ad5e6b014589c71115 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 20 Dec 2023 12:47:18 +0100 Subject: [PATCH 060/786] =?UTF-8?q?Link=20to=20Zyte=E2=80=99s=20export=20g?= =?UTF-8?q?uides?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- docs/topics/feed-exports.rst | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/docs/topics/feed-exports.rst b/docs/topics/feed-exports.rst index 700775e4b..f64bbac06 100644 --- a/docs/topics/feed-exports.rst +++ b/docs/topics/feed-exports.rst @@ -13,6 +13,11 @@ Scrapy provides this functionality out of the box with the Feed Exports, which allows you to generate feeds with the scraped items, using multiple serialization formats and storage backends. +This page provides detailed documentation for all feed export features. If you +are looking for a step-by-step guide, check out `Zyte’s export guides`_. + +.. _Zyte’s export guides: https://docs.zyte.com/web-scraping/guides/export/index.html#exporting-scraped-data + .. _topics-feed-format: Serialization formats From 2534a28ef032ae03e567859a498307b07ad34f64 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 25 Dec 2023 15:03:08 +0400 Subject: [PATCH 061/786] Bump mypy. --- tox.ini | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tox.ini b/tox.ini index 25b30d759..8996b12a4 100644 --- a/tox.ini +++ b/tox.ini @@ -33,7 +33,7 @@ install_command = [testenv:typing] basepython = python3 deps = - mypy==1.7.1 + mypy==1.8.0 typing-extensions==4.9.0 types-attrs==19.1.0 types-lxml==2023.10.21 From badc7c5be9dcfaf7c8acbb87fa530f0477ec3c35 Mon Sep 17 00:00:00 2001 From: Chan Sau Yee <15137352+y26805@users.noreply.github.com> Date: Fri, 29 Dec 2023 20:32:51 +0900 Subject: [PATCH 062/786] Update black reference in docs (#6192) --- docs/contributing.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/contributing.rst b/docs/contributing.rst index 2b3249601..d728338da 100644 --- a/docs/contributing.rst +++ b/docs/contributing.rst @@ -178,7 +178,7 @@ Scrapy: * We use `black `_ for code formatting. There is a hook in the pre-commit config that will automatically format your code before every commit. You can also - run black manually with ``tox -e black``. + run black manually with ``tox -e pre-commit``. * Don't put your name in the code you contribute; git provides enough metadata to identify author of the code. From 6127f7d27824de1f9847f7bb07f9755c955d9c3b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Thu, 28 Dec 2023 12:25:01 +0100 Subject: [PATCH 063/786] Update quotes.toscrape.com page copies (#6190) --- docs/_tests/quotes.html | 2 +- docs/_tests/quotes1.html | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/docs/_tests/quotes.html b/docs/_tests/quotes.html index 71aff8847..f4002ecd1 100644 --- a/docs/_tests/quotes.html +++ b/docs/_tests/quotes.html @@ -273,7 +273,7 @@ Quotes by: GoodReads.com

- Made with ❤ by Scrapinghub + Made with ❤ by Zyte

diff --git a/docs/_tests/quotes1.html b/docs/_tests/quotes1.html index 71aff8847..f4002ecd1 100644 --- a/docs/_tests/quotes1.html +++ b/docs/_tests/quotes1.html @@ -273,7 +273,7 @@ Quotes by: GoodReads.com

- Made with ❤ by Scrapinghub + Made with ❤ by Zyte

From 09a7efef7c75558c9ea198a00fc11ab26fb16ce5 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Fri, 12 Jan 2024 18:30:41 +0400 Subject: [PATCH 064/786] Remove a defer.returnValue call. --- tests/test_feedexport.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py index 56967c0d5..ae5810fb8 100644 --- a/tests/test_feedexport.py +++ b/tests/test_feedexport.py @@ -2300,7 +2300,7 @@ class BatchDeliveriesTest(FeedExportTestBase): content[feed["format"]].append(file.read_bytes()) finally: self.tearDown() - defer.returnValue(content) + return content @defer.inlineCallbacks def assertExportedJsonLines(self, items, rows, settings=None): From c5dad41190551578c2973c34520952f26f75dc7b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Fri, 2 Feb 2024 14:03:16 +0100 Subject: [PATCH 065/786] Speed up tests, remove comments without regexps --- .github/workflows/tests-ubuntu.yml | 3 -- scrapy/utils/response.py | 14 +++++++- tests/test_utils_response.py | 51 ++++++++++++++++++++++++++---- tox.ini | 6 ---- 4 files changed, 57 insertions(+), 17 deletions(-) diff --git a/.github/workflows/tests-ubuntu.yml b/.github/workflows/tests-ubuntu.yml index 388ba9572..338c99584 100644 --- a/.github/workflows/tests-ubuntu.yml +++ b/.github/workflows/tests-ubuntu.yml @@ -50,9 +50,6 @@ jobs: - python-version: "3.12" env: TOXENV: botocore - - python-version: "3.12" - env: - TOXENV: slow steps: - uses: actions/checkout@v3 diff --git a/scrapy/utils/response.py b/scrapy/utils/response.py index 4369e6439..fabfb1167 100644 --- a/scrapy/utils/response.py +++ b/scrapy/utils/response.py @@ -74,6 +74,18 @@ def response_httprepr(response: Response) -> bytes: return b"".join(values) +def _remove_html_comments(body): + start = body.find(b"", start + 1) + if end == -1: + return body[:start] + else: + body = body[:start] + body[end + 3 :] + start = body.find(b"|$)", b"", body) body = re.sub(rb"]*?>)", to_bytes(repl), body, count=1) ext = ".html" elif isinstance(response, TextResponse): diff --git a/tests/test_utils_response.py b/tests/test_utils_response.py index 1dbe187bf..db3c31b89 100644 --- a/tests/test_utils_response.py +++ b/tests/test_utils_response.py @@ -8,9 +8,9 @@ import pytest from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.http import HtmlResponse, Response, TextResponse -from scrapy.settings.default_settings import DOWNLOAD_MAXSIZE from scrapy.utils.python import to_bytes from scrapy.utils.response import ( + _remove_html_comments, get_base_url, get_meta_refresh, open_in_browser, @@ -203,14 +203,13 @@ class ResponseUtilsTest(unittest.TestCase): r5, _openfunc=check_base_url ), "Inject unique base url with conditional comment" - @pytest.mark.slow def test_open_in_browser_redos_comment(self): - MAX_CPU_TIME = 30 + MAX_CPU_TIME = 0.001 # Exploit input from # https://makenowjust-labs.github.io/recheck/playground/ # for // (old pattern to remove comments). - body = b"->" + body = b"->" response = HtmlResponse("https://example.com", body=body) @@ -221,14 +220,13 @@ class ResponseUtilsTest(unittest.TestCase): end_time = process_time() self.assertLess(end_time - start_time, MAX_CPU_TIME) - @pytest.mark.slow def test_open_in_browser_redos_head(self): - MAX_CPU_TIME = 15 + MAX_CPU_TIME = 0.001 # Exploit input from # https://makenowjust-labs.github.io/recheck/playground/ # for /(|\s.*?>))/ (old pattern to find the head element). - body = b"b", + b"ab", + ), + ( + b"ac", + b"ac", + ), + ( + b"acccd", + b"acd", + ), + ( + b"ad", + b"ad", + ), + ), +) +def test_remove_html_comments(input_body, output_body): + assert ( + _remove_html_comments(input_body) == output_body + ), f"{_remove_html_comments(input_body)=} == {output_body=}" diff --git a/tox.ini b/tox.ini index e87d6a175..381da9773 100644 --- a/tox.ini +++ b/tox.ini @@ -221,9 +221,3 @@ setenv = {[pinned]setenv} commands = pytest --cov=scrapy --cov-report=xml --cov-report= {posargs:tests -k s3} - - -[testenv:slow] -basepython = python3 -commands = - {[testenv]commands} -m 'slow' From 810aaa637da12a1f393291eb2b13aa0c8a163efb Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Fri, 2 Feb 2024 14:04:28 +0100 Subject: [PATCH 066/786] Undo an unintended change --- .github/workflows/tests-ubuntu.yml | 1 + 1 file changed, 1 insertion(+) diff --git a/.github/workflows/tests-ubuntu.yml b/.github/workflows/tests-ubuntu.yml index 338c99584..c883f958c 100644 --- a/.github/workflows/tests-ubuntu.yml +++ b/.github/workflows/tests-ubuntu.yml @@ -50,6 +50,7 @@ jobs: - python-version: "3.12" env: TOXENV: botocore + steps: - uses: actions/checkout@v3 From 5e5a92026e43023b80f7733844a2703c3f966009 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Fri, 2 Feb 2024 14:06:45 +0100 Subject: [PATCH 067/786] Remove slow leftovers --- pytest.ini | 2 -- 1 file changed, 2 deletions(-) diff --git a/pytest.ini b/pytest.ini index 877fbcd1d..16983be5e 100644 --- a/pytest.ini +++ b/pytest.ini @@ -17,12 +17,10 @@ addopts = --ignore=docs/topics/stats.rst --ignore=docs/topics/telnetconsole.rst --ignore=docs/utils - -m 'not slow' markers = only_asyncio: marks tests as only enabled when --reactor=asyncio is passed only_not_asyncio: marks tests as only enabled when --reactor=asyncio is not passed requires_uvloop: marks tests as only enabled when uvloop is known to be working - slow: marks tests as slow, not executed by default filterwarnings = ignore:scrapy.downloadermiddlewares.decompression is deprecated ignore:Module scrapy.utils.reqser is deprecated From a55e933c11899997757bd4107738f9472d1d3c2e Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 14 Feb 2024 20:08:40 +0400 Subject: [PATCH 068/786] Release notes for 2.11.1 (#6150) --- docs/news.rst | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) diff --git a/docs/news.rst b/docs/news.rst index 0c202639e..c26cef22c 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -3,6 +3,64 @@ Release notes ============= +.. _release-2.11.1: + +Scrapy 2.11.1 (YYYY-MM-DD) +-------------------------- + +Highlights: + +- Support for Twisted >= 23.8.0. + +- Documentation improvements. + +Modified requirements +~~~~~~~~~~~~~~~~~~~~~ + +- The Twisted dependency is no longer restricted to < 23.8.0. (:issue:`6024`, + :issue:`6064`, :issue:`6142`) + +Bug fixes +~~~~~~~~~ + +- The OS signal handling code was refactored to no longer use private Twisted + functions. (:issue:`6024`, :issue:`6064`, :issue:`6112`) + +Documentation +~~~~~~~~~~~~~ + +- Improved documentation for :class:`~scrapy.crawler.Crawler` initialization + changes made in the 2.11.0 release. (:issue:`6057`, :issue:`6147`) + +- Extended documentation for :attr:`Request.meta `. + (:issue:`5565`) + +- Fixed the :reqmeta:`dont_merge_cookies` documentation. (:issue:`5936`, + :issue:`6077`) + +- Added a link to Zyte's export guides to the :ref:`feed exports + ` documentation. (:issue:`6183`) + +- Added a missing note about backward-incompatible changes in + :class:`~scrapy.exporters.PythonItemExporter` to the 2.11.0 release notes. + (:issue:`6060`, :issue:`6081`) + +- Added a missing note about removing the deprecated + ``scrapy.utils.boto.is_botocore()`` function to the 2.8.0 release notes. + (:issue:`6056`, :issue:`6061`) + +- Other documentation improvements. (:issue:`6128`, :issue:`6144`, + :issue:`6163`, :issue:`6190`, :issue:`6192`) + +Quality assurance +~~~~~~~~~~~~~~~~~ + +- Added Python 3.12 to the CI configuration, re-enabled tests that were + disabled when the pre-release support was added. (:issue:`5985`, + :issue:`6083`, :issue:`6098`) + +- Fixed a test issue on PyPy 7.3.14. (:issue:`6204`, :issue:`6205`) + .. _release-2.11.0: Scrapy 2.11.0 (2023-09-18) From 6b88b3346c393f07c4e4481405c3fd1ab4cc58a4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 14 Feb 2024 18:16:40 +0100 Subject: [PATCH 069/786] Set the release date of versions 2.11.1 and 1.8.4 --- docs/news.rst | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/docs/news.rst b/docs/news.rst index 16e7e79a7..518632a5b 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -5,7 +5,7 @@ Release notes .. _release-2.11.1: -Scrapy 2.11.1 (unreleased) +Scrapy 2.11.1 (2024-02-14) -------------------------- Highlights: @@ -2972,7 +2972,7 @@ affect subclasses: .. _release-1.8.4: -Scrapy 1.8.4 (unreleased) +Scrapy 1.8.4 (2024-02-14) ------------------------- **Security bug fixes:** From 502addc717b6b971425a9385359a382b8d0187a1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 14 Feb 2024 18:17:48 +0100 Subject: [PATCH 070/786] =?UTF-8?q?Bump=20version:=202.11.0=20=E2=86=92=20?= =?UTF-8?q?2.11.1?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .bumpversion.cfg | 2 +- scrapy/VERSION | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/.bumpversion.cfg b/.bumpversion.cfg index f76bf783d..6ce6e2a59 100644 --- a/.bumpversion.cfg +++ b/.bumpversion.cfg @@ -1,5 +1,5 @@ [bumpversion] -current_version = 2.11.0 +current_version = 2.11.1 commit = True tag = True tag_name = {new_version} diff --git a/scrapy/VERSION b/scrapy/VERSION index 46b81d815..6ceb272ee 100644 --- a/scrapy/VERSION +++ b/scrapy/VERSION @@ -1 +1 @@ -2.11.0 +2.11.1 From 2f1d345e74d19e33016f9e69fcda0bda9afb568d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 14 Feb 2024 18:59:01 +0100 Subject: [PATCH 071/786] Solve test issues --- ...st_downloadermiddleware_httpcompression.py | 24 +++++++++++++++++++ tests/test_utils_response.py | 4 ++-- 2 files changed, 26 insertions(+), 2 deletions(-) diff --git a/tests/test_downloadermiddleware_httpcompression.py b/tests/test_downloadermiddleware_httpcompression.py index f74fff218..9deb81c37 100644 --- a/tests/test_downloadermiddleware_httpcompression.py +++ b/tests/test_downloadermiddleware_httpcompression.py @@ -402,6 +402,10 @@ class HttpCompressionTest(TestCase): self._test_compression_bomb_setting("gzip") def test_compression_bomb_setting_zstd(self): + try: + import zstandard # noqa: F401 + except ImportError: + raise SkipTest("no zstd support (zstandard)") self._test_compression_bomb_setting("zstd") def _test_compression_bomb_spider_attr(self, compression_id): @@ -436,6 +440,10 @@ class HttpCompressionTest(TestCase): self._test_compression_bomb_spider_attr("gzip") def test_compression_bomb_spider_attr_zstd(self): + try: + import zstandard # noqa: F401 + except ImportError: + raise SkipTest("no zstd support (zstandard)") self._test_compression_bomb_spider_attr("zstd") def _test_compression_bomb_request_meta(self, compression_id): @@ -468,6 +476,10 @@ class HttpCompressionTest(TestCase): self._test_compression_bomb_request_meta("gzip") def test_compression_bomb_request_meta_zstd(self): + try: + import zstandard # noqa: F401 + except ImportError: + raise SkipTest("no zstd support (zstandard)") self._test_compression_bomb_request_meta("zstd") def _test_download_warnsize_setting(self, compression_id): @@ -510,6 +522,10 @@ class HttpCompressionTest(TestCase): self._test_download_warnsize_setting("gzip") def test_download_warnsize_setting_zstd(self): + try: + import zstandard # noqa: F401 + except ImportError: + raise SkipTest("no zstd support (zstandard)") self._test_download_warnsize_setting("zstd") def _test_download_warnsize_spider_attr(self, compression_id): @@ -554,6 +570,10 @@ class HttpCompressionTest(TestCase): self._test_download_warnsize_spider_attr("gzip") def test_download_warnsize_spider_attr_zstd(self): + try: + import zstandard # noqa: F401 + except ImportError: + raise SkipTest("no zstd support (zstandard)") self._test_download_warnsize_spider_attr("zstd") def _test_download_warnsize_request_meta(self, compression_id): @@ -596,6 +616,10 @@ class HttpCompressionTest(TestCase): self._test_download_warnsize_request_meta("gzip") def test_download_warnsize_request_meta_zstd(self): + try: + import zstandard # noqa: F401 + except ImportError: + raise SkipTest("no zstd support (zstandard)") self._test_download_warnsize_request_meta("zstd") diff --git a/tests/test_utils_response.py b/tests/test_utils_response.py index db3c31b89..37ef89e76 100644 --- a/tests/test_utils_response.py +++ b/tests/test_utils_response.py @@ -204,7 +204,7 @@ class ResponseUtilsTest(unittest.TestCase): ), "Inject unique base url with conditional comment" def test_open_in_browser_redos_comment(self): - MAX_CPU_TIME = 0.001 + MAX_CPU_TIME = 0.02 # Exploit input from # https://makenowjust-labs.github.io/recheck/playground/ @@ -221,7 +221,7 @@ class ResponseUtilsTest(unittest.TestCase): self.assertLess(end_time - start_time, MAX_CPU_TIME) def test_open_in_browser_redos_head(self): - MAX_CPU_TIME = 0.001 + MAX_CPU_TIME = 0.02 # Exploit input from # https://makenowjust-labs.github.io/recheck/playground/ From bccb4cf18ba38c8bf09d61d19e0ffabaf15554b1 Mon Sep 17 00:00:00 2001 From: Jalil SA <61639983+jxlil@users.noreply.github.com> Date: Wed, 14 Feb 2024 12:29:29 -0600 Subject: [PATCH 072/786] fix: LxmlLinkExtractor unique_list missing key --- scrapy/linkextractors/lxmlhtml.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scrapy/linkextractors/lxmlhtml.py b/scrapy/linkextractors/lxmlhtml.py index 23cbd0116..98781ba7f 100644 --- a/scrapy/linkextractors/lxmlhtml.py +++ b/scrapy/linkextractors/lxmlhtml.py @@ -248,5 +248,5 @@ class LxmlLinkExtractor: links = self._extract_links(doc, response.url, response.encoding, base_url) all_links.extend(self._process_links(links)) if self.link_extractor.unique: - return unique_list(all_links) + return unique_list(all_links, key=self.link_extractor.link_key) return all_links From 660e3b19532c50eac7d135549e594b7f98285184 Mon Sep 17 00:00:00 2001 From: Jalil SA <61639983+jxlil@users.noreply.github.com> Date: Thu, 15 Feb 2024 16:55:08 -0600 Subject: [PATCH 073/786] update: docs/topics/items.rst --- docs/topics/items.rst | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/docs/topics/items.rst b/docs/topics/items.rst index 3c38ac2dc..97ed7a900 100644 --- a/docs/topics/items.rst +++ b/docs/topics/items.rst @@ -399,12 +399,7 @@ In code that receives an item, such as methods of :ref:`item pipelines `, it is a good practice to use the :class:`~itemadapter.ItemAdapter` class and the :func:`~itemadapter.is_item` function to write code that works for -any :ref:`supported item type `: - -.. autoclass:: itemadapter.ItemAdapter - -.. autofunction:: itemadapter.is_item - +any supported item type. Other classes related to items ============================== From 3e7b704c08aacd51a8a7589e32c73c7754582eed Mon Sep 17 00:00:00 2001 From: Jalil SA <61639983+jxlil@users.noreply.github.com> Date: Thu, 15 Feb 2024 16:57:44 -0600 Subject: [PATCH 074/786] update: docs/topics/selectors.rst --- docs/topics/selectors.rst | 5 ----- 1 file changed, 5 deletions(-) diff --git a/docs/topics/selectors.rst b/docs/topics/selectors.rst index 4a64d530b..c841400b6 100644 --- a/docs/topics/selectors.rst +++ b/docs/topics/selectors.rst @@ -1032,11 +1032,6 @@ whereas the CSS lookup is translated into XPath and thus runs more efficiently, so performance-wise its uses are limited to situations that are not easily described with CSS selectors. -Parsel also simplifies adding your own XPath extensions. - -.. autofunction:: parsel.xpathfuncs.set_xpathfunc - - .. _topics-selectors-ref: Built-in Selectors reference From 9bb973dc54766a0f8d10eca0947d11f195c1a1be Mon Sep 17 00:00:00 2001 From: Kevin Lloyd Bernal Date: Fri, 16 Feb 2024 19:25:38 +0800 Subject: [PATCH 075/786] Refactor LogStats extension to log IPM and RPM to stats on spider_close (#4111) --- scrapy/extensions/logstats.py | 44 +++++++++++++++++++------ tests/test_logstats.py | 62 +++++++++++++++++++++++++++++++++++ 2 files changed, 96 insertions(+), 10 deletions(-) create mode 100644 tests/test_logstats.py diff --git a/scrapy/extensions/logstats.py b/scrapy/extensions/logstats.py index 78874a6db..9f63e9c4b 100644 --- a/scrapy/extensions/logstats.py +++ b/scrapy/extensions/logstats.py @@ -9,7 +9,10 @@ logger = logging.getLogger(__name__) class LogStats: - """Log basic scraping stats periodically""" + """Log basic scraping stats periodically like: + * RPM - Requests per Minute + * IPM - Items per Minute + """ def __init__(self, stats, interval=60.0): self.stats = stats @@ -35,24 +38,45 @@ class LogStats: self.task.start(self.interval) def log(self, spider): - items = self.stats.get_value("item_scraped_count", 0) - pages = self.stats.get_value("response_received_count", 0) - irate = (items - self.itemsprev) * self.multiplier - prate = (pages - self.pagesprev) * self.multiplier - self.pagesprev, self.itemsprev = pages, items + self.calculate_stats() msg = ( "Crawled %(pages)d pages (at %(pagerate)d pages/min), " "scraped %(items)d items (at %(itemrate)d items/min)" ) log_args = { - "pages": pages, - "pagerate": prate, - "items": items, - "itemrate": irate, + "pages": self.pages, + "pagerate": self.prate, + "items": self.items, + "itemrate": self.irate, } logger.info(msg, log_args, extra={"spider": spider}) + def calculate_stats(self): + self.items = self.stats.get_value("item_scraped_count", 0) + self.pages = self.stats.get_value("response_received_count", 0) + self.irate = (self.items - self.itemsprev) * self.multiplier + self.prate = (self.pages - self.pagesprev) * self.multiplier + self.pagesprev, self.itemsprev = self.pages, self.items + def spider_closed(self, spider, reason): if self.task and self.task.running: self.task.stop() + + rpm_final, ipm_final = self.calculate_final_stats(spider) + self.stats.set_value("responses_per_minute", rpm_final) + self.stats.set_value("items_per_minute", ipm_final) + + def calculate_final_stats(self, spider): + start_time = self.stats.get_value("start_time") + finished_time = self.stats.get_value("finished_time") + + if not start_time or not finished_time: + return None, None + + mins_elapsed = (finished_time - start_time).seconds / 60 + + items = self.stats.get_value("item_scraped_count", 0) + pages = self.stats.get_value("response_received_count", 0) + + return (pages / mins_elapsed), (items / mins_elapsed) diff --git a/tests/test_logstats.py b/tests/test_logstats.py new file mode 100644 index 000000000..d87285df7 --- /dev/null +++ b/tests/test_logstats.py @@ -0,0 +1,62 @@ +import unittest +from datetime import datetime + +from scrapy.extensions.logstats import LogStats +from scrapy.utils.test import get_crawler +from tests.spiders import SimpleSpider + + +class TestLogStats(unittest.TestCase): + def setUp(self): + self.crawler = get_crawler(SimpleSpider) + self.spider = self.crawler._create_spider("spidey") + self.stats = self.crawler.stats + + self.stats.set_value("response_received_count", 4802) + self.stats.set_value("item_scraped_count", 3201) + + def test_stats_calculations(self): + logstats = LogStats.from_crawler(self.crawler) + + with self.assertRaises(AttributeError): + logstats.pagesprev + logstats.itemsprev + + logstats.spider_opened(self.spider) + self.assertEqual(logstats.pagesprev, 4802) + self.assertEqual(logstats.itemsprev, 3201) + + logstats.calculate_stats() + self.assertEqual(logstats.items, 3201) + self.assertEqual(logstats.pages, 4802) + self.assertEqual(logstats.irate, 0.0) + self.assertEqual(logstats.prate, 0.0) + self.assertEqual(logstats.pagesprev, 4802) + self.assertEqual(logstats.itemsprev, 3201) + + # Simulate what happens after a minute + self.stats.set_value("response_received_count", 5187) + self.stats.set_value("item_scraped_count", 3492) + logstats.calculate_stats() + self.assertEqual(logstats.items, 3492) + self.assertEqual(logstats.pages, 5187) + self.assertEqual(logstats.irate, 291.0) + self.assertEqual(logstats.prate, 385.0) + self.assertEqual(logstats.pagesprev, 5187) + self.assertEqual(logstats.itemsprev, 3492) + + # Simulate when spider closes after running for 30 mins + self.stats.set_value("start_time", datetime.fromtimestamp(1655100172)) + self.stats.set_value("finished_time", datetime.fromtimestamp(1655101972)) + logstats.spider_closed(self.spider, "test reason") + self.assertEqual(self.stats.get_value("responses_per_minute"), 172.9) + self.assertEqual(self.stats.get_value("items_per_minute"), 116.4) + + def test_stats_calculations_no_time(self): + """The stat values should be None since the start and finish time are + not available. + """ + logstats = LogStats.from_crawler(self.crawler) + logstats.spider_closed(self.spider, "test reason") + self.assertIsNone(self.stats.get_value("responses_per_minute")) + self.assertIsNone(self.stats.get_value("items_per_minute")) From 36f72877ba8863a7fc39383e79f478400f6c09e9 Mon Sep 17 00:00:00 2001 From: Jalil SA <61639983+jxlil@users.noreply.github.com> Date: Fri, 16 Feb 2024 10:39:16 -0600 Subject: [PATCH 076/786] update: docs/topics/selectors.rst --- docs/topics/selectors.rst | 3 +++ 1 file changed, 3 insertions(+) diff --git a/docs/topics/selectors.rst b/docs/topics/selectors.rst index c841400b6..e32fc2b70 100644 --- a/docs/topics/selectors.rst +++ b/docs/topics/selectors.rst @@ -1032,6 +1032,9 @@ whereas the CSS lookup is translated into XPath and thus runs more efficiently, so performance-wise its uses are limited to situations that are not easily described with CSS selectors. +Parsel also simplifies adding your own XPath extensions with +:func:`~parsel.xpathfuncs.set_xpathfunc`. + .. _topics-selectors-ref: Built-in Selectors reference From 5e51417a485f296354e9639f85fb0b51a4a3e533 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Fri, 16 Feb 2024 20:10:52 +0100 Subject: [PATCH 077/786] Add tests, fix canonicalize passing --- scrapy/linkextractors/lxmlhtml.py | 2 +- tests/test_linkextractors.py | 112 ++++++++++++++++++++++++++++++ 2 files changed, 113 insertions(+), 1 deletion(-) diff --git a/scrapy/linkextractors/lxmlhtml.py b/scrapy/linkextractors/lxmlhtml.py index 98781ba7f..7abdaaec4 100644 --- a/scrapy/linkextractors/lxmlhtml.py +++ b/scrapy/linkextractors/lxmlhtml.py @@ -153,7 +153,7 @@ class LxmlLinkExtractor: unique=unique, process=process_value, strip=strip, - canonicalized=canonicalize, + canonicalized=not canonicalize, ) self.allow_res = [ x if isinstance(x, _re_type) else re.compile(x) for x in arg_to_iter(allow) diff --git a/tests/test_linkextractors.py b/tests/test_linkextractors.py index 18e9608c1..f23b8988e 100644 --- a/tests/test_linkextractors.py +++ b/tests/test_linkextractors.py @@ -745,6 +745,118 @@ class Base: lx = self.extractor_cls() self.assertIsInstance(pickle.loads(pickle.dumps(lx)), self.extractor_cls) + def test_link_extractor_aggregation(self): + """When a parameter like restrict_css is used, the underlying + implementation calls its internal link extractor once per selector + matching the specified restrictions, and then aggregates the + extracted links. + + Test that aggregation respects the unique and canonicalize + parameters. + """ + # unique=True (default), canonicalize=False (default) + lx = self.extractor_cls(restrict_css=("div",)) + response = HtmlResponse( + "https://example.com", + body=b""" +
+ a1 + b1 +
+
+ a2 + b2 +
+ """, + ) + actual = lx.extract_links(response) + self.assertEqual( + actual, + [ + Link(url="https://example.com/a", text="a1"), + Link(url="https://example.com/b?a=1&b=2", text="b1"), + Link(url="https://example.com/b?b=2&a=1", text="b2"), + ], + ) + + # unique=True (default), canonicalize=True + lx = self.extractor_cls(restrict_css=("div",), canonicalize=True) + response = HtmlResponse( + "https://example.com", + body=b""" +
+ a1 + b1 +
+
+ a2 + b2 +
+ """, + ) + actual = lx.extract_links(response) + self.assertEqual( + actual, + [ + Link(url="https://example.com/a", text="a1"), + Link(url="https://example.com/b?a=1&b=2", text="b1"), + ], + ) + + # unique=False, canonicalize=False (default) + lx = self.extractor_cls(restrict_css=("div",), unique=False) + response = HtmlResponse( + "https://example.com", + body=b""" +
+ a1 + b1 +
+
+ a2 + b2 +
+ """, + ) + actual = lx.extract_links(response) + self.assertEqual( + actual, + [ + Link(url="https://example.com/a", text="a1"), + Link(url="https://example.com/b?a=1&b=2", text="b1"), + Link(url="https://example.com/a", text="a2"), + Link(url="https://example.com/b?b=2&a=1", text="b2"), + ], + ) + + # unique=False, canonicalize=True + lx = self.extractor_cls( + restrict_css=("div",), unique=False, canonicalize=True + ) + response = HtmlResponse( + "https://example.com", + body=b""" +
+ a1 + b1 +
+
+ a2 + b2 +
+ """, + ) + actual = lx.extract_links(response) + self.assertEqual( + actual, + [ + Link(url="https://example.com/a", text="a1"), + Link(url="https://example.com/b?a=1&b=2", text="b1"), + Link(url="https://example.com/a", text="a2"), + Link(url="https://example.com/b?a=1&b=2", text="b2"), + ], + ) + class LxmlLinkExtractorTestCase(Base.LinkExtractorTestCase): extractor_cls = LxmlLinkExtractor From c4e4b9b56e7fe10c5e7472b152dd47253a97af5b Mon Sep 17 00:00:00 2001 From: Mikhail Korobov Date: Tue, 20 Feb 2024 14:50:16 +0500 Subject: [PATCH 078/786] Add a SECURITY.md file (#6051) --- .bumpversion.cfg | 4 ++++ SECURITY.md | 12 ++++++++++++ 2 files changed, 16 insertions(+) create mode 100644 SECURITY.md diff --git a/.bumpversion.cfg b/.bumpversion.cfg index 6ce6e2a59..968a34d96 100644 --- a/.bumpversion.cfg +++ b/.bumpversion.cfg @@ -5,3 +5,7 @@ tag = True tag_name = {new_version} [bumpversion:file:scrapy/VERSION] + +[bumpversion:file:SECURITY.md] +parse = (?P\d+)\.(?P\d+)\.x +serialize = {major}.{minor}.x diff --git a/SECURITY.md b/SECURITY.md new file mode 100644 index 000000000..51305d95e --- /dev/null +++ b/SECURITY.md @@ -0,0 +1,12 @@ +# Security Policy + +## Supported Versions + +| Version | Supported | +| ------- | ------------------ | +| 2.11.x | :white_check_mark: | +| < 2.11.x | :x: | + +## Reporting a Vulnerability + +Please report the vulnerability using https://github.com/scrapy/scrapy/security/advisories/new. From ee1189512f652fae72f013c9d4759976b8b69994 Mon Sep 17 00:00:00 2001 From: Laerte Pereira <5853172+Laerte@users.noreply.github.com> Date: Tue, 20 Feb 2024 08:47:29 -0300 Subject: [PATCH 079/786] Replace urlparse with urlparse_cached where possible (#6229) --- docs/topics/media-pipeline.rst | 8 ++++---- scrapy/core/http2/stream.py | 6 +++--- scrapy/downloadermiddlewares/redirect.py | 4 ++-- tests/CrawlerRunner/ip_address.py | 3 ++- tests/test_http_cookies.py | 10 +++++----- tests/test_http_request.py | 11 ++++++----- tests/test_scheduler_base.py | 5 +++-- 7 files changed, 25 insertions(+), 22 deletions(-) diff --git a/docs/topics/media-pipeline.rst b/docs/topics/media-pipeline.rst index da0587aa4..c96dd0f99 100644 --- a/docs/topics/media-pipeline.rst +++ b/docs/topics/media-pipeline.rst @@ -532,14 +532,14 @@ See here the methods that you can override in your custom Files Pipeline: .. code-block:: python from pathlib import PurePosixPath - from urllib.parse import urlparse + from scrapy.utils.httpobj import urlparse_cached from scrapy.pipelines.files import FilesPipeline class MyFilesPipeline(FilesPipeline): def file_path(self, request, response=None, info=None, *, item=None): - return "files/" + PurePosixPath(urlparse(request.url).path).name + return "files/" + PurePosixPath(urlparse_cached(request).path).name Similarly, you can use the ``item`` to determine the file path based on some item property. @@ -690,14 +690,14 @@ See here the methods that you can override in your custom Images Pipeline: .. code-block:: python from pathlib import PurePosixPath - from urllib.parse import urlparse + from scrapy.utils.httpobj import urlparse_cached from scrapy.pipelines.images import ImagesPipeline class MyImagesPipeline(ImagesPipeline): def file_path(self, request, response=None, info=None, *, item=None): - return "files/" + PurePosixPath(urlparse(request.url).path).name + return "files/" + PurePosixPath(urlparse_cached(request).path).name Similarly, you can use the ``item`` to determine the file path based on some item property. diff --git a/scrapy/core/http2/stream.py b/scrapy/core/http2/stream.py index 39d5921f4..0f282d83d 100644 --- a/scrapy/core/http2/stream.py +++ b/scrapy/core/http2/stream.py @@ -2,7 +2,6 @@ import logging from enum import Enum from io import BytesIO from typing import TYPE_CHECKING, Dict, List, Optional, Tuple -from urllib.parse import urlparse from h2.errors import ErrorCodes from h2.exceptions import H2Error, ProtocolError, StreamClosedError @@ -15,6 +14,7 @@ from twisted.web.client import ResponseFailed from scrapy.http import Request from scrapy.http.headers import Headers from scrapy.responsetypes import responsetypes +from scrapy.utils.httpobj import urlparse_cached if TYPE_CHECKING: from scrapy.core.http2.protocol import H2ClientProtocol @@ -185,7 +185,7 @@ class Stream: def check_request_url(self) -> bool: # Make sure that we are sending the request to the correct URL - url = urlparse(self._request.url) + url = urlparse_cached(self._request) return ( url.netloc == str(self._protocol.metadata["uri"].host, "utf-8") or url.netloc == str(self._protocol.metadata["uri"].netloc, "utf-8") @@ -194,7 +194,7 @@ class Stream: ) def _get_request_headers(self) -> List[Tuple[str, str]]: - url = urlparse(self._request.url) + url = urlparse_cached(self._request) path = url.path if url.query: diff --git a/scrapy/downloadermiddlewares/redirect.py b/scrapy/downloadermiddlewares/redirect.py index 83afdf7d7..24089afea 100644 --- a/scrapy/downloadermiddlewares/redirect.py +++ b/scrapy/downloadermiddlewares/redirect.py @@ -2,7 +2,7 @@ from __future__ import annotations import logging from typing import TYPE_CHECKING, Any, List, Union, cast -from urllib.parse import urljoin, urlparse +from urllib.parse import urljoin from w3lib.url import safe_url_string @@ -125,7 +125,7 @@ class RedirectMiddleware(BaseRedirectMiddleware): assert response.headers["Location"] is not None location = safe_url_string(response.headers["Location"]) if response.headers["Location"].startswith(b"//"): - request_scheme = urlparse(request.url).scheme + request_scheme = urlparse_cached(request).scheme location = request_scheme + "://" + location.lstrip("/") redirected_url = urljoin(request.url, location) diff --git a/tests/CrawlerRunner/ip_address.py b/tests/CrawlerRunner/ip_address.py index 23260ab0d..5bf7512bc 100644 --- a/tests/CrawlerRunner/ip_address.py +++ b/tests/CrawlerRunner/ip_address.py @@ -9,6 +9,7 @@ from twisted.python.runtime import platform from scrapy import Request, Spider from scrapy.crawler import CrawlerRunner +from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.log import configure_logging from tests.mockserver import MockDNSServer, MockServer @@ -30,7 +31,7 @@ class LocalhostSpider(Spider): yield Request(self.url) def parse(self, response): - netloc = urlparse(response.url).netloc + netloc = urlparse_cached(response).netloc host = netloc.split(":")[0] self.logger.info(f"Host: {host}") self.logger.info(f"Type: {type(response.ip_address)}") diff --git a/tests/test_http_cookies.py b/tests/test_http_cookies.py index 9e43b72b0..8b5554914 100644 --- a/tests/test_http_cookies.py +++ b/tests/test_http_cookies.py @@ -1,8 +1,8 @@ from unittest import TestCase -from urllib.parse import urlparse from scrapy.http import Request, Response from scrapy.http.cookies import WrappedRequest, WrappedResponse +from scrapy.utils.httpobj import urlparse_cached class WrappedRequestTest(TestCase): @@ -17,12 +17,12 @@ class WrappedRequestTest(TestCase): self.assertEqual(self.wrapped.full_url, self.request.url) def test_get_host(self): - self.assertEqual(self.wrapped.get_host(), urlparse(self.request.url).netloc) - self.assertEqual(self.wrapped.host, urlparse(self.request.url).netloc) + self.assertEqual(self.wrapped.get_host(), urlparse_cached(self.request).netloc) + self.assertEqual(self.wrapped.host, urlparse_cached(self.request).netloc) def test_get_type(self): - self.assertEqual(self.wrapped.get_type(), urlparse(self.request.url).scheme) - self.assertEqual(self.wrapped.type, urlparse(self.request.url).scheme) + self.assertEqual(self.wrapped.get_type(), urlparse_cached(self.request).scheme) + self.assertEqual(self.wrapped.type, urlparse_cached(self.request).scheme) def test_is_unverifiable(self): self.assertFalse(self.wrapped.is_unverifiable()) diff --git a/tests/test_http_request.py b/tests/test_http_request.py index 6dc9ec8b7..04fcaa231 100644 --- a/tests/test_http_request.py +++ b/tests/test_http_request.py @@ -5,7 +5,7 @@ import warnings import xmlrpc.client from typing import Any, Dict, List from unittest import mock -from urllib.parse import parse_qs, unquote_to_bytes, urlparse +from urllib.parse import parse_qs, unquote_to_bytes from scrapy.http import ( FormRequest, @@ -16,6 +16,7 @@ from scrapy.http import ( XmlRpcRequest, ) from scrapy.http.request import NO_CALLBACK +from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.python import to_bytes, to_unicode @@ -617,8 +618,8 @@ class FormRequestTest(RequestTest): method="GET", formdata=(("foo", "bar"), ("foo", "baz")), ) - self.assertEqual(urlparse(req.url).hostname, "www.example.com") - self.assertEqual(urlparse(req.url).query, "foo=bar&foo=baz") + self.assertEqual(urlparse_cached(req).hostname, "www.example.com") + self.assertEqual(urlparse_cached(req).query, "foo=bar&foo=baz") def test_from_response_override_duplicate_form_key(self): response = _buildresponse( @@ -666,8 +667,8 @@ class FormRequestTest(RequestTest): response, formdata={"one": ["two", "three"], "six": "seven"} ) self.assertEqual(r1.method, "GET") - self.assertEqual(urlparse(r1.url).hostname, "www.example.com") - self.assertEqual(urlparse(r1.url).path, "/this/get.php") + self.assertEqual(urlparse_cached(r1).hostname, "www.example.com") + self.assertEqual(urlparse_cached(r1).path, "/this/get.php") fs = _qs(r1) self.assertEqual(set(fs[b"test"]), {b"val1", b"val2"}) self.assertEqual(set(fs[b"one"]), {b"two", b"three"}) diff --git a/tests/test_scheduler_base.py b/tests/test_scheduler_base.py index 76ca777a8..5db2e4e50 100644 --- a/tests/test_scheduler_base.py +++ b/tests/test_scheduler_base.py @@ -1,6 +1,6 @@ from typing import Dict, Optional from unittest import TestCase -from urllib.parse import urljoin, urlparse +from urllib.parse import urljoin from testfixtures import LogCapture from twisted.internet import defer @@ -9,6 +9,7 @@ from twisted.trial.unittest import TestCase as TwistedTestCase from scrapy.core.scheduler import BaseScheduler from scrapy.http import Request from scrapy.spiders import Spider +from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.request import fingerprint from scrapy.utils.test import get_crawler from tests.mockserver import MockServer @@ -57,7 +58,7 @@ class TestSpider(Spider): self.start_urls = map(mockserver.url, PATHS) def parse(self, response): - return {"path": urlparse(response.url).path} + return {"path": urlparse_cached(response).path} class InterfaceCheckMixin: From f096f17fa4ac1307fa1c81ae082bb52e9f86653a Mon Sep 17 00:00:00 2001 From: Elias Ram Date: Tue, 20 Feb 2024 20:32:02 +0100 Subject: [PATCH 080/786] test #6 added tests for check command --- tests/test_command_check.py | 55 +++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/tests/test_command_check.py b/tests/test_command_check.py index 592494aba..d503628b8 100644 --- a/tests/test_command_check.py +++ b/tests/test_command_check.py @@ -1,3 +1,8 @@ +import sys +from io import StringIO +from unittest.mock import Mock, PropertyMock, patch + +from scrapy.commands.check import Command from tests.test_commands import CommandTest @@ -94,3 +99,53 @@ class CheckSpider(scrapy.Spider): raise Exception('SCRAPY_CHECK not set') """ self._test_contract(parse_def=parse_def) + + @patch("scrapy.commands.check.ContractsManager") + def test_run_with_opts_list_prints_spider(self, cm_cls_mock): + output = StringIO() + sys.stdout = output + cmd = Command() + cmd.settings = Mock(getwithbase=Mock(return_value={})) + cm_cls_mock.return_value = cm_mock = Mock() + spider_loader_mock = Mock() + cmd.crawler_process = Mock(spider_loader=spider_loader_mock) + spider_name = "FakeSpider" + spider_cls_mock = Mock() + type(spider_cls_mock).name = PropertyMock(return_value=spider_name) + spider_loader_mock.load.side_effect = lambda x: {spider_name: spider_cls_mock}[ + x + ] + tested_methods = ["fakeMethod1", "fakeMethod2"] + cm_mock.tested_methods_from_spidercls.side_effect = lambda x: { + spider_cls_mock: tested_methods + }[x] + + cmd.run([spider_name], Mock(list=True)) + + self.assertEqual( + "FakeSpider\n * fakeMethod1\n * fakeMethod2\n", output.getvalue() + ) + sys.stdout = sys.__stdout__ + + @patch("scrapy.commands.check.ContractsManager") + def test_run_without_opts_list_does_not_crawl_spider_with_no_tested_methods( + self, cm_cls_mock + ): + cmd = Command() + cmd.settings = Mock(getwithbase=Mock(return_value={})) + cm_cls_mock.return_value = cm_mock = Mock() + spider_loader_mock = Mock() + cmd.crawler_process = Mock(spider_loader=spider_loader_mock) + spider_name = "FakeSpider" + spider_cls_mock = Mock() + spider_loader_mock.load.side_effect = lambda x: {spider_name: spider_cls_mock}[ + x + ] + tested_methods = [] + cm_mock.tested_methods_from_spidercls.side_effect = lambda x: { + spider_cls_mock: tested_methods + }[x] + + cmd.run([spider_name], Mock(list=False)) + + cmd.crawler_process.crawl.assert_not_called() From e8e6d28479a0479361cd3de0fb854c243ed684b1 Mon Sep 17 00:00:00 2001 From: Elias Ram Date: Tue, 20 Feb 2024 20:41:18 +0100 Subject: [PATCH 081/786] test #8 added tests for LxmlLinkExtractor --- tests/test_linkextractors.py | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/tests/test_linkextractors.py b/tests/test_linkextractors.py index 18e9608c1..66a30c635 100644 --- a/tests/test_linkextractors.py +++ b/tests/test_linkextractors.py @@ -2,6 +2,7 @@ import pickle import re import unittest from typing import Optional +from unittest.mock import Mock from packaging.version import Version from pytest import mark @@ -851,3 +852,36 @@ class LxmlLinkExtractorTestCase(Base.LinkExtractorTestCase): ), ], ) + + def test_link_allowed_is_false_with_empty_url(self): + mock_link = Mock() + mock_link.url = "" + expected = False + + actual = LxmlLinkExtractor()._link_allowed(mock_link) + + self.assertEqual(expected, actual) + + def test_link_allowed_is_false_with_bad_url_prefix(self): + mock_link = Mock() + mock_link.url = "htp://should_be_http.com" + expected = False + + actual = LxmlLinkExtractor()._link_allowed(mock_link) + + self.assertEqual(expected, actual) + + def test_link_allowed_is_false_with_missing_url_prefix(self): + mock_link = Mock() + mock_link.url = "should_have_prefix.com" + expected = False + + actual = LxmlLinkExtractor()._link_allowed(mock_link) + + self.assertEqual(expected, actual) + + def test_link_allowed_raises_with_none_url(self): + mock_link = Mock() + mock_link.url = None + + self.assertRaises(AttributeError, LxmlLinkExtractor()._link_allowed, mock_link) From e27d320c3cde3c965e61a674e8880043943cf17a Mon Sep 17 00:00:00 2001 From: noon <14049705+noon-io@users.noreply.github.com> Date: Tue, 20 Feb 2024 23:58:39 +0100 Subject: [PATCH 082/786] test #3 Increased branch coverage for form.py --- tests/test_http_request.py | 56 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) diff --git a/tests/test_http_request.py b/tests/test_http_request.py index 6dc9ec8b7..510ae74ba 100644 --- a/tests/test_http_request.py +++ b/tests/test_http_request.py @@ -1642,6 +1642,62 @@ class JsonRequestTest(RequestTest): self.assertEqual(kwargs["ensure_ascii"], True) self.assertEqual(kwargs["allow_nan"], True) + def test_form_response_with_invalid_formdata_type_error(self): + """Test that a form response with invalid form data throws a type error""" + response = _buildresponse( + """ +
+ +
+ """ + ) + with self.assertRaises(ValueError) as context: + FormRequest.from_response(response, formdata=123) + + self.assertIn( + "formdata should be a dict or iterable of tuples", str(context.exception) + ) + + def test_form_response_with_custom_invalid_formdata_value_error(self): + """Test that a form response with invalid form data throws a value error""" + response = _buildresponse( + """ +
+ +
+ """ + ) + + class CustomFormdata: + def __iter__(self): + raise ValueError("Custom iteration error for testing") + + with self.assertRaises(ValueError) as context: + FormRequest.from_response(response, formdata=CustomFormdata()) + + self.assertIn( + "formdata should be a dict or iterable of tuples", str(context.exception) + ) + + def test_get_form_with_xpath_no_form_parent(self): + """Test that _get_from raised a ValueError when an XPath selects an element + not nested within a
and no parent is found""" + response = _buildresponse( + """ +
+

This paragraph is not inside a form.

+
+ + +
+ """ + ) + + with self.assertRaises(ValueError) as context: + FormRequest.from_response(response, formxpath='//div[@id="outside-form"]/p') + + self.assertIn("No
element found with", str(context.exception)) + def tearDown(self): warnings.resetwarnings() super().tearDown() From e2a0c85f1167c7c32219eaf095c1818b2c74702c Mon Sep 17 00:00:00 2001 From: noon <14049705+noon-io@users.noreply.github.com> Date: Wed, 21 Feb 2024 02:21:24 +0100 Subject: [PATCH 083/786] doc #3 Clarified test comments --- tests/test_http_request.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tests/test_http_request.py b/tests/test_http_request.py index 510ae74ba..95e4a7be0 100644 --- a/tests/test_http_request.py +++ b/tests/test_http_request.py @@ -1643,7 +1643,7 @@ class JsonRequestTest(RequestTest): self.assertEqual(kwargs["allow_nan"], True) def test_form_response_with_invalid_formdata_type_error(self): - """Test that a form response with invalid form data throws a type error""" + """Test that a ValueError is raised for non-iterable and non-dict formdata input""" response = _buildresponse( """ @@ -1659,7 +1659,7 @@ class JsonRequestTest(RequestTest): ) def test_form_response_with_custom_invalid_formdata_value_error(self): - """Test that a form response with invalid form data throws a value error""" + """Test that a ValueError is raised for fault-inducing iterable formdata input""" response = _buildresponse( """ From 12b4417c56d8aa76cbe3a36c026962612453ee6e Mon Sep 17 00:00:00 2001 From: noon <14049705+noon-io@users.noreply.github.com> Date: Wed, 21 Feb 2024 02:30:50 +0100 Subject: [PATCH 084/786] test #22 Improve json_request.py coverage --- tests/test_http_request.py | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/tests/test_http_request.py b/tests/test_http_request.py index 6dc9ec8b7..d1c435468 100644 --- a/tests/test_http_request.py +++ b/tests/test_http_request.py @@ -1642,6 +1642,26 @@ class JsonRequestTest(RequestTest): self.assertEqual(kwargs["ensure_ascii"], True) self.assertEqual(kwargs["allow_nan"], True) + def test_replacement_both_body_and_data_warns(self): + """Test that we can get a warning if both body and data are passed for branch coverage""" + body1 = None + body2 = b"body" + data1 = { + "name1": "value1", + } + data2 = { + "name2": "value2", + } + r1 = self.request_class(url="http://www.example.com/", data=data1, body=body1) + + with mock.patch("warnings.warn") as mock_warn: + r1.replace(data=data2, body=body2) + mock_warn.assert_called_once() + (warning_message,), _ = mock_warn.call_args + self.assertIn( + "Both body and data passed. data will be ignored", warning_message + ) + def tearDown(self): warnings.resetwarnings() super().tearDown() From bc036542a82ec054dd6a36b4b928a9bc6ae48e63 Mon Sep 17 00:00:00 2001 From: noon <14049705+noon-io@users.noreply.github.com> Date: Wed, 21 Feb 2024 02:35:45 +0100 Subject: [PATCH 085/786] refactor #3 Moved tests to FormRequestTest --- tests/test_http_request.py | 112 ++++++++++++++++++------------------- 1 file changed, 56 insertions(+), 56 deletions(-) diff --git a/tests/test_http_request.py b/tests/test_http_request.py index 95e4a7be0..39afc5fd1 100644 --- a/tests/test_http_request.py +++ b/tests/test_http_request.py @@ -1426,6 +1426,62 @@ class FormRequestTest(RequestTest): r = self.request_class.from_response(response) self.assertEqual(r.method, expected) + def test_form_response_with_invalid_formdata_type_error(self): + """Test that a ValueError is raised for non-iterable and non-dict formdata input""" + response = _buildresponse( + """ + + +
+ """ + ) + with self.assertRaises(ValueError) as context: + FormRequest.from_response(response, formdata=123) + + self.assertIn( + "formdata should be a dict or iterable of tuples", str(context.exception) + ) + + def test_form_response_with_custom_invalid_formdata_value_error(self): + """Test that a ValueError is raised for fault-inducing iterable formdata input""" + response = _buildresponse( + """ +
+ +
+ """ + ) + + class CustomFormdata: + def __iter__(self): + raise ValueError("Custom iteration error for testing") + + with self.assertRaises(ValueError) as context: + FormRequest.from_response(response, formdata=CustomFormdata()) + + self.assertIn( + "formdata should be a dict or iterable of tuples", str(context.exception) + ) + + def test_get_form_with_xpath_no_form_parent(self): + """Test that _get_from raised a ValueError when an XPath selects an element + not nested within a
and no parent is found""" + response = _buildresponse( + """ +
+

This paragraph is not inside a form.

+
+ + +
+ """ + ) + + with self.assertRaises(ValueError) as context: + FormRequest.from_response(response, formxpath='//div[@id="outside-form"]/p') + + self.assertIn("No
element found with", str(context.exception)) + def _buildresponse(body, **kwargs): kwargs.setdefault("body", body) @@ -1642,62 +1698,6 @@ class JsonRequestTest(RequestTest): self.assertEqual(kwargs["ensure_ascii"], True) self.assertEqual(kwargs["allow_nan"], True) - def test_form_response_with_invalid_formdata_type_error(self): - """Test that a ValueError is raised for non-iterable and non-dict formdata input""" - response = _buildresponse( - """ - - -
- """ - ) - with self.assertRaises(ValueError) as context: - FormRequest.from_response(response, formdata=123) - - self.assertIn( - "formdata should be a dict or iterable of tuples", str(context.exception) - ) - - def test_form_response_with_custom_invalid_formdata_value_error(self): - """Test that a ValueError is raised for fault-inducing iterable formdata input""" - response = _buildresponse( - """ -
- -
- """ - ) - - class CustomFormdata: - def __iter__(self): - raise ValueError("Custom iteration error for testing") - - with self.assertRaises(ValueError) as context: - FormRequest.from_response(response, formdata=CustomFormdata()) - - self.assertIn( - "formdata should be a dict or iterable of tuples", str(context.exception) - ) - - def test_get_form_with_xpath_no_form_parent(self): - """Test that _get_from raised a ValueError when an XPath selects an element - not nested within a
and no parent is found""" - response = _buildresponse( - """ -
-

This paragraph is not inside a form.

-
- - -
- """ - ) - - with self.assertRaises(ValueError) as context: - FormRequest.from_response(response, formxpath='//div[@id="outside-form"]/p') - - self.assertIn("No
element found with", str(context.exception)) - def tearDown(self): warnings.resetwarnings() super().tearDown() From 6fc78270427c41e401a01a46551d27dd4ddf846c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 21 Feb 2024 14:27:42 +0100 Subject: [PATCH 086/786] Do not close the underlying file from compression plugins (#6239) --- docs/topics/feed-exports.rst | 8 +++++++- scrapy/extensions/postprocessing.py | 3 --- tests/test_feedexport.py | 2 ++ 3 files changed, 9 insertions(+), 4 deletions(-) diff --git a/docs/topics/feed-exports.rst b/docs/topics/feed-exports.rst index f64bbac06..922b765db 100644 --- a/docs/topics/feed-exports.rst +++ b/docs/topics/feed-exports.rst @@ -390,7 +390,13 @@ Each plugin is a class that must implement the following methods: .. method:: close(self) - Close the target file object. + Clean up the plugin. + + For example, you might want to close a file wrapper that you might have + used to compress data written into the file received in the ``__init__`` + method. + + .. warning:: Do not close the file from the ``__init__`` method. To pass a parameter to your plugin, use :ref:`feed options `. You can then access those parameters from the ``__init__`` method of your plugin. diff --git a/scrapy/extensions/postprocessing.py b/scrapy/extensions/postprocessing.py index 79e3b1656..17969c5b0 100644 --- a/scrapy/extensions/postprocessing.py +++ b/scrapy/extensions/postprocessing.py @@ -42,7 +42,6 @@ class GzipPlugin: def close(self) -> None: self.gzipfile.close() - self.file.close() class Bz2Plugin: @@ -69,7 +68,6 @@ class Bz2Plugin: def close(self) -> None: self.bz2file.close() - self.file.close() class LZMAPlugin: @@ -111,7 +109,6 @@ class LZMAPlugin: def close(self) -> None: self.lzmafile.close() - self.file.close() # io.IOBase is subclassed here, so that exporters can use the PostProcessingManager diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py index 277555608..d7560b5ff 100644 --- a/tests/test_feedexport.py +++ b/tests/test_feedexport.py @@ -1731,6 +1731,7 @@ class FeedExportTest(FeedExportTestBase): def store(self, file): Storage.store_file = file + Storage.file_was_closed = file.closed file.close() settings = { @@ -1746,6 +1747,7 @@ class FeedExportTest(FeedExportTestBase): } yield self.exported_no_data(settings) self.assertIs(Storage.open_file, Storage.store_file) + self.assertFalse(Storage.file_was_closed) class FeedPostProcessedExportsTest(FeedExportTestBase): From f19045403a44011a62162d73fedacf5038af098f Mon Sep 17 00:00:00 2001 From: Elias Ram Date: Wed, 21 Feb 2024 16:03:51 +0100 Subject: [PATCH 087/786] test #8 made tests cleaner --- tests/test_linkextractors.py | 34 ++++++---------------------------- 1 file changed, 6 insertions(+), 28 deletions(-) diff --git a/tests/test_linkextractors.py b/tests/test_linkextractors.py index 66a30c635..55ea9eed2 100644 --- a/tests/test_linkextractors.py +++ b/tests/test_linkextractors.py @@ -2,7 +2,6 @@ import pickle import re import unittest from typing import Optional -from unittest.mock import Mock from packaging.version import Version from pytest import mark @@ -854,34 +853,13 @@ class LxmlLinkExtractorTestCase(Base.LinkExtractorTestCase): ) def test_link_allowed_is_false_with_empty_url(self): - mock_link = Mock() - mock_link.url = "" - expected = False - - actual = LxmlLinkExtractor()._link_allowed(mock_link) - - self.assertEqual(expected, actual) + bad_link = Link("") + self.assertFalse(LxmlLinkExtractor()._link_allowed(bad_link)) def test_link_allowed_is_false_with_bad_url_prefix(self): - mock_link = Mock() - mock_link.url = "htp://should_be_http.com" - expected = False - - actual = LxmlLinkExtractor()._link_allowed(mock_link) - - self.assertEqual(expected, actual) + bad_link = Link("htp://should_be_http.example") + self.assertFalse(LxmlLinkExtractor()._link_allowed(bad_link)) def test_link_allowed_is_false_with_missing_url_prefix(self): - mock_link = Mock() - mock_link.url = "should_have_prefix.com" - expected = False - - actual = LxmlLinkExtractor()._link_allowed(mock_link) - - self.assertEqual(expected, actual) - - def test_link_allowed_raises_with_none_url(self): - mock_link = Mock() - mock_link.url = None - - self.assertRaises(AttributeError, LxmlLinkExtractor()._link_allowed, mock_link) + bad_link = Link("should_have_prefix.example") + self.assertFalse(LxmlLinkExtractor()._link_allowed(bad_link)) From b7a7ae7dbbaddd9d14b50c1257370af51e1ac1b5 Mon Sep 17 00:00:00 2001 From: noon <14049705+noon-io@users.noreply.github.com> Date: Wed, 21 Feb 2024 21:04:45 +0100 Subject: [PATCH 088/786] refactor #22 Change comment and warning catching --- tests/test_http_request.py | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/tests/test_http_request.py b/tests/test_http_request.py index d1c435468..a45293695 100644 --- a/tests/test_http_request.py +++ b/tests/test_http_request.py @@ -1643,7 +1643,7 @@ class JsonRequestTest(RequestTest): self.assertEqual(kwargs["allow_nan"], True) def test_replacement_both_body_and_data_warns(self): - """Test that we can get a warning if both body and data are passed for branch coverage""" + """Test that we get a warning if both body and data are passed""" body1 = None body2 = b"body" data1 = { @@ -1654,12 +1654,11 @@ class JsonRequestTest(RequestTest): } r1 = self.request_class(url="http://www.example.com/", data=data1, body=body1) - with mock.patch("warnings.warn") as mock_warn: + with warnings.catch_warnings(record=True) as _warnings: r1.replace(data=data2, body=body2) - mock_warn.assert_called_once() - (warning_message,), _ = mock_warn.call_args self.assertIn( - "Both body and data passed. data will be ignored", warning_message + "Both body and data passed. data will be ignored", + str(_warnings[0].message), ) def tearDown(self): From 877398a3dee8e92300ef52177b986be16a55f277 Mon Sep 17 00:00:00 2001 From: noon <14049705+noon-io@users.noreply.github.com> Date: Wed, 21 Feb 2024 21:13:57 +0100 Subject: [PATCH 089/786] refactor #3 Remove inner class in form test --- tests/test_http_request.py | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/tests/test_http_request.py b/tests/test_http_request.py index 39afc5fd1..71d442a81 100644 --- a/tests/test_http_request.py +++ b/tests/test_http_request.py @@ -1452,12 +1452,8 @@ class FormRequestTest(RequestTest): """ ) - class CustomFormdata: - def __iter__(self): - raise ValueError("Custom iteration error for testing") - with self.assertRaises(ValueError) as context: - FormRequest.from_response(response, formdata=CustomFormdata()) + FormRequest.from_response(response, formdata=("a",)) self.assertIn( "formdata should be a dict or iterable of tuples", str(context.exception) From c513e7d6e58efc99c5dfc8ad135dc23df528c5fd Mon Sep 17 00:00:00 2001 From: Can Kupeli Date: Wed, 21 Feb 2024 23:52:35 +0100 Subject: [PATCH 090/786] implemented tests for branch coverage for function printSummary --- tests/test_command_check.py | 52 +++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) diff --git a/tests/test_command_check.py b/tests/test_command_check.py index 592494aba..70098a4e7 100644 --- a/tests/test_command_check.py +++ b/tests/test_command_check.py @@ -1,3 +1,6 @@ +from unittest.mock import Mock, call, patch + +from scrapy.commands.check import TextTestResult from tests.test_commands import CommandTest @@ -94,3 +97,52 @@ class CheckSpider(scrapy.Spider): raise Exception('SCRAPY_CHECK not set') """ self._test_contract(parse_def=parse_def) + + def test_printSummary_with_unsuccessful_test_result_without_errors_and_without_failures( + self, + ): + result = TextTestResult(Mock(), descriptions=False, verbosity=1) + start_time = 1.0 + stop_time = 2.0 + result.testsRun = 5 + result.failures = [] + result.errors = [] + result.unexpectedSuccesses = ["a", "b"] + with patch.object(result.stream, "write") as mock_write: + result.printSummary(start_time, stop_time) + mock_write.assert_has_calls([call("FAILED"), call("\n")]) + + def test_printSummary_with_unsuccessful_test_result_with_only_failures(self): + result = TextTestResult(Mock(), descriptions=False, verbosity=1) + start_time = 1.0 + stop_time = 2.0 + result.testsRun = 5 + result.failures = [(self, "failure")] + result.errors = [] + with patch.object(result.stream, "writeln") as mock_write: + result.printSummary(start_time, stop_time) + mock_write.assert_called_with(" (failures=1)") + + def test_printSummary_with_unsuccessful_test_result_with_only_errors(self): + result = TextTestResult(Mock(), descriptions=False, verbosity=1) + start_time = 1.0 + stop_time = 2.0 + result.testsRun = 5 + result.failures = [] + result.errors = [(self, "error")] + with patch.object(result.stream, "writeln") as mock_write: + result.printSummary(start_time, stop_time) + mock_write.assert_called_with(" (errors=1)") + + def test_printSummary_with_unsuccessful_test_result_with_both_failures_and_errors( + self, + ): + result = TextTestResult(Mock(), descriptions=False, verbosity=1) + start_time = 1.0 + stop_time = 2.0 + result.testsRun = 5 + result.failures = [(self, "failure")] + result.errors = [(self, "error")] + with patch.object(result.stream, "writeln") as mock_write: + result.printSummary(start_time, stop_time) + mock_write.assert_called_with(" (failures=1, errors=1)") From e208f82076182e71a4eb8470eb527363158f4b0c Mon Sep 17 00:00:00 2001 From: vishesh10 Date: Thu, 22 Feb 2024 16:46:24 +0530 Subject: [PATCH 091/786] Add support for multiple-compressed responses (#6063) --- .../downloadermiddlewares/httpcompression.py | 34 ++++++++-- .../compressed/html-gzip-deflate-gzip.bin | Bin 0 -> 8014 bytes .../compressed/html-gzip-deflate.bin | Bin 0 -> 7991 bytes ...st_downloadermiddleware_httpcompression.py | 58 ++++++++++++++++++ 4 files changed, 87 insertions(+), 5 deletions(-) create mode 100644 tests/sample_data/compressed/html-gzip-deflate-gzip.bin create mode 100644 tests/sample_data/compressed/html-gzip-deflate.bin diff --git a/scrapy/downloadermiddlewares/httpcompression.py b/scrapy/downloadermiddlewares/httpcompression.py index 709333948..1e340abb6 100644 --- a/scrapy/downloadermiddlewares/httpcompression.py +++ b/scrapy/downloadermiddlewares/httpcompression.py @@ -1,6 +1,7 @@ from __future__ import annotations import warnings +from itertools import chain from logging import getLogger from typing import TYPE_CHECKING, List, Optional, Union @@ -102,18 +103,18 @@ class HttpCompressionMiddleware: if isinstance(response, Response): content_encoding = response.headers.getlist("Content-Encoding") if content_encoding: - encoding = content_encoding.pop() max_size = request.meta.get("download_maxsize", self._max_size) warn_size = request.meta.get("download_warnsize", self._warn_size) try: - decoded_body = self._decode( - response.body, encoding.lower(), max_size + decoded_body, content_encoding = self._handle_encoding( + response.body, content_encoding, max_size ) except _DecompressionMaxSizeExceeded: raise IgnoreRequest( f"Ignored response {response} because its body " - f"({len(response.body)} B) exceeded DOWNLOAD_MAXSIZE " - f"({max_size} B) during decompression." + f"({len(response.body)} B compressed) exceeded " + f"DOWNLOAD_MAXSIZE ({max_size} B) during " + f"decompression." ) if len(response.body) < warn_size <= len(decoded_body): logger.warning( @@ -121,6 +122,7 @@ class HttpCompressionMiddleware: f"({len(decoded_body)} B) is larger than the " f"download warning size ({warn_size} B)." ) + response.headers["Content-Encoding"] = content_encoding if self.stats: self.stats.inc_value( "httpcompression/response_bytes", @@ -144,6 +146,28 @@ class HttpCompressionMiddleware: return response + def _handle_encoding(self, body, content_encoding, max_size): + to_decode, to_keep = self._split_encodings(content_encoding) + for encoding in to_decode: + body = self._decode(body, encoding, max_size) + return body, to_keep + + def _split_encodings(self, content_encoding): + to_keep = [ + encoding.strip().lower() + for encoding in chain.from_iterable( + encodings.split(b",") for encodings in content_encoding + ) + ] + to_decode = [] + while to_keep: + encoding = to_keep.pop() + if encoding not in ACCEPTED_ENCODINGS: + to_keep.append(encoding) + return to_decode, to_keep + to_decode.append(encoding) + return to_decode, to_keep + def _decode(self, body: bytes, encoding: bytes, max_size: int) -> bytes: if encoding == b"gzip" or encoding == b"x-gzip": return gunzip(body, max_size=max_size) diff --git a/tests/sample_data/compressed/html-gzip-deflate-gzip.bin b/tests/sample_data/compressed/html-gzip-deflate-gzip.bin new file mode 100644 index 0000000000000000000000000000000000000000..d66f4c5a03df80085208d8990df59e1702c63b50 GIT binary patch literal 8014 zcmV-UAF<#ciwFP!000000|7T5$l!RKHC1(7lmGWskY!}j3`dRLA?64iIN z(Bm6+BEw8}=7FI~PdU-NoI$sYi==Cu_J|W)>riui_5yjZAmBi- za14I9JL=!~z9y>ZG1)S5g}nXRqrXC3vsTsJxlC(lv|L*QFL5BGB|t7A5yV z8)A3oNJKx+@#>nN_hRjk)tc|^i3jX>&B*BY@$Ev^66`9i!wQBVG74zW%9*8cbkc6?RKdAV?G-_trm>*sW}ar*a&5LpX`354B2 zJVft*L#}$lU@P1H7kM35$fXWsR*Qqj@tWcB+nQ6xzO@V 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zy%RP17i^>@X@#S~DZfSoyx)y)xM56o3Lf`_Kbdys3GHP`FFGe^NcJoR1<`HjQWFdH zFaUDNKc>nA!3wN1+YY;@T_n}L!`!|HomkMhsQL^18i*iBaA3)Ur=i?~E)K%yeyw1& zMWw*6ubnD=zMM@csBC~{lV4(DUl2%VDZNK+NhCR9`Fgc?^!XOFLlU!qZHU#cpqu!P z!VEjQR7iny@WSXC$;@tStk;l`SA*b?S zP+Xv44!3lHWTGJ6PHH54ecz=$m05$X9)J4`Bg*<|m#}F#&3lXVhTX5U{G|Vc7PyUb z0Q1j1T1{0*+SGv2=oxipm|@i{Kl#RK!V<-0&%e0w>yX0>qEWB)!dn--XgUS!R6#t; z-4ostwE4}+XJUKMgH)BX5jE7K_~YGksK)T!bE_E>ch=;8LLNy8-3wcydeP{pA08b~ z%1vMzE|d)lyMgzr3)36b2;*L_z8QK-f*Ms{bKuuq{K??6?1B(`SA_a{tb@6b>g?iw zn_?S*BgJJjfMQa9E97+z@bA@{rZ@A+42VK83%I3ONmNi63yrEY`zxcPDZ+FoJMIN{ z6=2CSkv8~s=m)%^Y*0i1tFh?OY(8QziJqx6yNK6S`@>TyV+T12U^+>^MkU^Gn(bG# zOVlAX%450-;#Cl`kTDv!I#Ho>)mb;9I3PaV237_ByspSNe%vkLWA#eBUJd?uebggi z6*zs5BVvM?ux(RACs(8y^({Q|hGUg=T=1{Th8$KM%VA#N6c^u9+LD3>2nIekw2w6h zTQeM;DC(E4QTnlM!h|?`%tt`hq>rmLEWMAlPW_8uppWM;v_M90ygyfnwsF~JXqo>^ zcYJ-^xCj?M{leyHhnrqih3MlY7%g)sSQv=Zv2<)5%2SQxP=Im(-$gIq_-1-Vz^C05 zFlr+*WGx-rB}25sBU_IXw<2CFy|FA&<>8cgY%X(J(So%8Aim1ppDIbsVq^!})K!0m tb)Nj@W<@in7&QdR;O8pB!FRX$>we!Ex%Kcw^s{!67Q@pg{{uoxxY|2R=d%C+ literal 0 HcmV?d00001 diff --git a/tests/test_downloadermiddleware_httpcompression.py b/tests/test_downloadermiddleware_httpcompression.py index 9deb81c37..ae5569d0a 100644 --- a/tests/test_downloadermiddleware_httpcompression.py +++ b/tests/test_downloadermiddleware_httpcompression.py @@ -27,6 +27,8 @@ FORMAT = { "x-gzip": ("html-gzip.bin", "gzip"), "rawdeflate": ("html-rawdeflate.bin", "deflate"), "zlibdeflate": ("html-zlibdeflate.bin", "deflate"), + "gzip-deflate": ("html-gzip-deflate.bin", "gzip, deflate"), + "gzip-deflate-gzip": ("html-gzip-deflate-gzip.bin", "gzip, deflate, gzip"), "br": ("html-br.bin", "br"), # $ zstd raw.html --content-size -o html-zstd-static-content-size.bin "zstd-static-content-size": ("html-zstd-static-content-size.bin", "zstd"), @@ -205,6 +207,62 @@ class HttpCompressionTest(TestCase): assert newresponse is not response self.assertEqual(newresponse.headers.getlist("Content-Encoding"), [b"uuencode"]) + def test_multi_compression_single_header(self): + response = self._getresponse("gzip-deflate") + request = response.request + newresponse = self.mw.process_response(request, response, self.spider) + assert newresponse is not response + assert "Content-Encoding" not in newresponse.headers + assert newresponse.body.startswith(b" Date: Mon, 26 Feb 2024 10:53:06 -0800 Subject: [PATCH 092/786] Remove usage of deprecated mktemp (#5285) --- .bandit.yml | 1 - tests/test_commands.py | 5 ++--- tests/test_downloader_handlers.py | 28 ++++++++++++---------------- tests/test_http2_client_protocol.py | 4 ++-- tests/test_pipeline_crawl.py | 4 ++-- tests/test_spiderloader/__init__.py | 4 ++-- tests/test_spiderstate.py | 5 ++--- tests/test_squeues_request.py | 2 +- tests/test_webclient.py | 7 +++---- 9 files changed, 26 insertions(+), 34 deletions(-) diff --git a/.bandit.yml b/.bandit.yml index 2aae8a0aa..8c6a08e1b 100644 --- a/.bandit.yml +++ b/.bandit.yml @@ -4,7 +4,6 @@ skips: - B105 - B301 - B303 -- B306 - B307 - B311 - B320 diff --git a/tests/test_commands.py b/tests/test_commands.py index 36f800850..2f36baa87 100644 --- a/tests/test_commands.py +++ b/tests/test_commands.py @@ -6,13 +6,12 @@ import platform import re import subprocess import sys -import tempfile from contextlib import contextmanager from itertools import chain from pathlib import Path from shutil import copytree, rmtree from stat import S_IWRITE as ANYONE_WRITE_PERMISSION -from tempfile import mkdtemp +from tempfile import TemporaryFile, mkdtemp from threading import Timer from typing import Dict, Generator, Optional, Union from unittest import skipIf @@ -82,7 +81,7 @@ class ProjectTest(unittest.TestCase): rmtree(self.temp_path) def call(self, *new_args, **kwargs): - with tempfile.TemporaryFile() as out: + with TemporaryFile() as out: args = (sys.executable, "-m", "scrapy.cmdline") + new_args return subprocess.call( args, stdout=out, stderr=out, cwd=self.cwd, env=self.env, **kwargs diff --git a/tests/test_downloader_handlers.py b/tests/test_downloader_handlers.py index dd07d33f1..d3fd63847 100644 --- a/tests/test_downloader_handlers.py +++ b/tests/test_downloader_handlers.py @@ -2,8 +2,8 @@ import contextlib import os import shutil import sys -import tempfile from pathlib import Path +from tempfile import mkdtemp, mkstemp from typing import Optional, Type from unittest import SkipTest, mock @@ -107,13 +107,14 @@ class LoadTestCase(unittest.TestCase): class FileTestCase(unittest.TestCase): def setUp(self): # add a special char to check that they are handled correctly - self.tmpname = Path(self.mktemp() + "^") + self.fd, self.tmpname = mkstemp(suffix="^") Path(self.tmpname).write_text("0123456789", encoding="utf-8") handler = build_from_crawler(FileDownloadHandler, get_crawler()) self.download_request = handler.download_request def tearDown(self): - self.tmpname.unlink() + os.close(self.fd) + os.remove(self.tmpname) def test_download(self): def _test(response): @@ -122,12 +123,12 @@ class FileTestCase(unittest.TestCase): self.assertEqual(response.body, b"0123456789") self.assertEqual(response.protocol, None) - request = Request(path_to_file_uri(str(self.tmpname))) + request = Request(path_to_file_uri(self.tmpname)) assert request.url.upper().endswith("%5E") return self.download_request(request, Spider("foo")).addCallback(_test) def test_non_existent(self): - request = Request(path_to_file_uri(self.mktemp())) + request = Request(path_to_file_uri(mkdtemp())) d = self.download_request(request, Spider("foo")) return self.assertFailure(d, OSError) @@ -224,8 +225,7 @@ class HttpTestCase(unittest.TestCase): certfile = "keys/localhost.crt" def setUp(self): - self.tmpname = Path(self.mktemp()) - self.tmpname.mkdir() + self.tmpname = Path(mkdtemp()) (self.tmpname / "file").write_bytes(b"0123456789") r = static.File(str(self.tmpname)) r.putChild(b"redirect", util.Redirect(b"/file")) @@ -651,8 +651,7 @@ class Https11CustomCiphers(unittest.TestCase): certfile = "keys/localhost.crt" def setUp(self): - self.tmpname = Path(self.mktemp()) - self.tmpname.mkdir() + self.tmpname = Path(mkdtemp()) (self.tmpname / "file").write_bytes(b"0123456789") r = static.File(str(self.tmpname)) self.site = server.Site(r, timeout=None) @@ -1015,8 +1014,7 @@ class BaseFTPTestCase(unittest.TestCase): from scrapy.core.downloader.handlers.ftp import FTPDownloadHandler # setup dirs and test file - self.directory = Path(self.mktemp()) - self.directory.mkdir() + self.directory = Path(mkdtemp()) userdir = self.directory / self.username userdir.mkdir() for filename, content in self.test_files: @@ -1092,7 +1090,7 @@ class BaseFTPTestCase(unittest.TestCase): return self._add_test_callbacks(d, _test) def test_ftp_local_filename(self): - f, local_fname = tempfile.mkstemp() + f, local_fname = mkstemp() fname_bytes = to_bytes(local_fname) local_fname = Path(local_fname) os.close(f) @@ -1113,7 +1111,7 @@ class BaseFTPTestCase(unittest.TestCase): return self._add_test_callbacks(d, _test) def _test_response_class(self, filename, response_class): - f, local_fname = tempfile.mkstemp() + f, local_fname = mkstemp() local_fname = Path(local_fname) os.close(f) meta = {} @@ -1163,9 +1161,7 @@ class AnonymousFTPTestCase(BaseFTPTestCase): from scrapy.core.downloader.handlers.ftp import FTPDownloadHandler # setup dir and test file - self.directory = Path(self.mktemp()) - self.directory.mkdir() - + self.directory = Path(mkdtemp()) for filename, content in self.test_files: (self.directory / filename).write_bytes(content) diff --git a/tests/test_http2_client_protocol.py b/tests/test_http2_client_protocol.py index 8fdf3d56f..995c02a1a 100644 --- a/tests/test_http2_client_protocol.py +++ b/tests/test_http2_client_protocol.py @@ -5,6 +5,7 @@ import shutil import string from ipaddress import IPv4Address from pathlib import Path +from tempfile import mkdtemp from typing import Dict from unittest import mock, skipIf from urllib.parse import urlencode @@ -185,8 +186,7 @@ class Https2ClientProtocolTestCase(TestCase): certificate_file = Path(__file__).parent / "keys" / "localhost.crt" def _init_resource(self): - self.temp_directory = self.mktemp() - Path(self.temp_directory).mkdir() + self.temp_directory = mkdtemp() r = File(self.temp_directory) r.putChild(b"get-data-html-small", GetDataHtmlSmall()) r.putChild(b"get-data-html-large", GetDataHtmlLarge()) diff --git a/tests/test_pipeline_crawl.py b/tests/test_pipeline_crawl.py index c41ab483f..be9811980 100644 --- a/tests/test_pipeline_crawl.py +++ b/tests/test_pipeline_crawl.py @@ -1,5 +1,6 @@ import shutil from pathlib import Path +from tempfile import mkdtemp from typing import Optional, Set from testfixtures import LogCapture @@ -67,8 +68,7 @@ class FileDownloadCrawlTestCase(TestCase): self.mockserver.__enter__() # prepare a directory for storing files - self.tmpmediastore = Path(self.mktemp()) - self.tmpmediastore.mkdir() + self.tmpmediastore = Path(mkdtemp()) self.settings = { "REQUEST_FINGERPRINTER_IMPLEMENTATION": "2.7", "ITEM_PIPELINES": {self.pipeline_class: 1}, diff --git a/tests/test_spiderloader/__init__.py b/tests/test_spiderloader/__init__.py index 04025d30d..f950739f2 100644 --- a/tests/test_spiderloader/__init__.py +++ b/tests/test_spiderloader/__init__.py @@ -3,6 +3,7 @@ import sys import tempfile import warnings from pathlib import Path +from tempfile import mkdtemp from twisted.trial import unittest from zope.interface.verify import verifyObject @@ -139,8 +140,7 @@ class SpiderLoaderTest(unittest.TestCase): class DuplicateSpiderNameLoaderTest(unittest.TestCase): def setUp(self): orig_spiders_dir = module_dir / "test_spiders" - self.tmpdir = Path(self.mktemp()) - self.tmpdir.mkdir() + self.tmpdir = Path(mkdtemp()) self.spiders_dir = self.tmpdir / "test_spiders_xxx" _copytree(orig_spiders_dir, self.spiders_dir) sys.path.append(str(self.tmpdir)) diff --git a/tests/test_spiderstate.py b/tests/test_spiderstate.py index f97125b76..59d18d92e 100644 --- a/tests/test_spiderstate.py +++ b/tests/test_spiderstate.py @@ -1,6 +1,6 @@ import shutil from datetime import datetime, timezone -from pathlib import Path +from tempfile import mkdtemp from twisted.trial import unittest @@ -12,8 +12,7 @@ from scrapy.utils.test import get_crawler class SpiderStateTest(unittest.TestCase): def test_store_load(self): - jobdir = self.mktemp() - Path(jobdir).mkdir() + jobdir = mkdtemp() try: spider = Spider(name="default") dt = datetime.now(tz=timezone.utc) diff --git a/tests/test_squeues_request.py b/tests/test_squeues_request.py index b444c32b7..499ca46b8 100644 --- a/tests/test_squeues_request.py +++ b/tests/test_squeues_request.py @@ -25,7 +25,7 @@ class BaseQueueTestCase(unittest.TestCase): def setUp(self): self.tmpdir = tempfile.mkdtemp(prefix="scrapy-queue-tests-") self.qpath = self.tempfilename() - self.qdir = self.mkdtemp() + self.qdir = tempfile.mkdtemp() self.crawler = get_crawler(Spider) def tearDown(self): diff --git a/tests/test_webclient.py b/tests/test_webclient.py index d4b6ba15b..53558814d 100644 --- a/tests/test_webclient.py +++ b/tests/test_webclient.py @@ -4,6 +4,7 @@ Tests borrowed from the twisted.web.client tests. """ import shutil from pathlib import Path +from tempfile import mkdtemp import OpenSSL.SSL from twisted.internet import defer, reactor @@ -274,8 +275,7 @@ class WebClientTestCase(unittest.TestCase): return reactor.listenTCP(0, site, interface="127.0.0.1") def setUp(self): - self.tmpname = Path(self.mktemp()) - self.tmpname.mkdir() + self.tmpname = Path(mkdtemp()) (self.tmpname / "file").write_bytes(b"0123456789") r = static.File(str(self.tmpname)) r.putChild(b"redirect", util.Redirect(b"/file")) @@ -440,8 +440,7 @@ class WebClientSSLTestCase(unittest.TestCase): return f"https://127.0.0.1:{self.portno}/{path}" def setUp(self): - self.tmpname = Path(self.mktemp()) - self.tmpname.mkdir() + self.tmpname = Path(mkdtemp()) (self.tmpname / "file").write_bytes(b"0123456789") r = static.File(str(self.tmpname)) r.putChild(b"payload", PayloadResource()) From 2d46b4acf5855faaf2d6baa36615f08bd8aefccf Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Tue, 27 Feb 2024 09:28:02 +0100 Subject: [PATCH 093/786] Complete coverage for the AutoThrottle extension (#6245) --- docs/topics/autothrottle.rst | 2 +- scrapy/extensions/throttle.py | 5 + tests/test_extension_throttle.py | 340 +++++++++++++++++++++++++++++++ 3 files changed, 346 insertions(+), 1 deletion(-) create mode 100644 tests/test_extension_throttle.py diff --git a/docs/topics/autothrottle.rst b/docs/topics/autothrottle.rst index 8e6aae65c..5370d77b3 100644 --- a/docs/topics/autothrottle.rst +++ b/docs/topics/autothrottle.rst @@ -131,7 +131,7 @@ AUTOTHROTTLE_TARGET_CONCURRENCY Default: ``1.0`` Average number of requests Scrapy should be sending in parallel to remote -websites. +websites. It must be higher than ``0.0``. By default, AutoThrottle adjusts the delay to send a single concurrent request to each of the remote websites. Set this option to diff --git a/scrapy/extensions/throttle.py b/scrapy/extensions/throttle.py index 396800775..d217c7a69 100644 --- a/scrapy/extensions/throttle.py +++ b/scrapy/extensions/throttle.py @@ -16,6 +16,11 @@ class AutoThrottle: self.target_concurrency = crawler.settings.getfloat( "AUTOTHROTTLE_TARGET_CONCURRENCY" ) + if self.target_concurrency <= 0.0: + raise NotConfigured( + f"AUTOTHROTTLE_TARGET_CONCURRENCY " + f"({self.target_concurrency!r}) must be higher than 0." + ) crawler.signals.connect(self._spider_opened, signal=signals.spider_opened) crawler.signals.connect( self._response_downloaded, signal=signals.response_downloaded diff --git a/tests/test_extension_throttle.py b/tests/test_extension_throttle.py new file mode 100644 index 000000000..dae4ea966 --- /dev/null +++ b/tests/test_extension_throttle.py @@ -0,0 +1,340 @@ +from logging import INFO +from unittest.mock import Mock + +import pytest + +from scrapy import Request, Spider +from scrapy.exceptions import NotConfigured +from scrapy.extensions.throttle import AutoThrottle +from scrapy.http.response import Response +from scrapy.settings.default_settings import ( + AUTOTHROTTLE_MAX_DELAY, + AUTOTHROTTLE_START_DELAY, + DOWNLOAD_DELAY, +) +from scrapy.utils.misc import build_from_crawler +from scrapy.utils.test import get_crawler as _get_crawler + +UNSET = object() + + +class TestSpider(Spider): + name = "test" + + +def get_crawler(settings=None, spidercls=None): + settings = settings or {} + settings["AUTOTHROTTLE_ENABLED"] = True + return _get_crawler(settings_dict=settings, spidercls=spidercls) + + +@pytest.mark.parametrize( + ("value", "expected"), + ( + (UNSET, False), + (False, False), + (True, True), + ), +) +def test_enabled(value, expected): + settings = {} + if value is not UNSET: + settings["AUTOTHROTTLE_ENABLED"] = value + crawler = _get_crawler(settings_dict=settings) + if expected: + build_from_crawler(AutoThrottle, crawler) + else: + with pytest.raises(NotConfigured): + build_from_crawler(AutoThrottle, crawler) + + +@pytest.mark.parametrize( + "value", + ( + 0.0, + -1.0, + ), +) +def test_target_concurrency_invalid(value): + settings = {"AUTOTHROTTLE_TARGET_CONCURRENCY": value} + crawler = get_crawler(settings) + with pytest.raises(NotConfigured): + build_from_crawler(AutoThrottle, crawler) + + +@pytest.mark.parametrize( + ("spider", "setting", "expected"), + ( + (UNSET, UNSET, DOWNLOAD_DELAY), + (1.0, UNSET, 1.0), + (UNSET, 1.0, 1.0), + (1.0, 2.0, 1.0), + (3.0, 2.0, 3.0), + ), +) +def test_mindelay_definition(spider, setting, expected): + settings = {} + if setting is not UNSET: + settings["DOWNLOAD_DELAY"] = setting + + class _TestSpider(Spider): + name = "test" + + if spider is not UNSET: + _TestSpider.download_delay = spider + + crawler = get_crawler(settings, _TestSpider) + at = build_from_crawler(AutoThrottle, crawler) + at._spider_opened(_TestSpider()) + assert at.mindelay == expected + + +@pytest.mark.parametrize( + ("value", "expected"), + ( + (UNSET, AUTOTHROTTLE_MAX_DELAY), + (1.0, 1.0), + ), +) +def test_maxdelay_definition(value, expected): + settings = {} + if value is not UNSET: + settings["AUTOTHROTTLE_MAX_DELAY"] = value + crawler = get_crawler(settings) + at = build_from_crawler(AutoThrottle, crawler) + at._spider_opened(TestSpider()) + assert at.maxdelay == expected + + +@pytest.mark.parametrize( + ("min_spider", "min_setting", "start_setting", "expected"), + ( + (UNSET, UNSET, UNSET, AUTOTHROTTLE_START_DELAY), + (AUTOTHROTTLE_START_DELAY - 1.0, UNSET, UNSET, AUTOTHROTTLE_START_DELAY), + (AUTOTHROTTLE_START_DELAY + 1.0, UNSET, UNSET, AUTOTHROTTLE_START_DELAY + 1.0), + (UNSET, AUTOTHROTTLE_START_DELAY - 1.0, UNSET, AUTOTHROTTLE_START_DELAY), + (UNSET, AUTOTHROTTLE_START_DELAY + 1.0, UNSET, AUTOTHROTTLE_START_DELAY + 1.0), + (UNSET, UNSET, AUTOTHROTTLE_START_DELAY - 1.0, AUTOTHROTTLE_START_DELAY - 1.0), + (UNSET, UNSET, AUTOTHROTTLE_START_DELAY + 1.0, AUTOTHROTTLE_START_DELAY + 1.0), + ( + AUTOTHROTTLE_START_DELAY + 1.0, + AUTOTHROTTLE_START_DELAY + 2.0, + UNSET, + AUTOTHROTTLE_START_DELAY + 1.0, + ), + ( + AUTOTHROTTLE_START_DELAY + 2.0, + UNSET, + AUTOTHROTTLE_START_DELAY + 1.0, + AUTOTHROTTLE_START_DELAY + 2.0, + ), + ( + AUTOTHROTTLE_START_DELAY + 1.0, + UNSET, + AUTOTHROTTLE_START_DELAY + 2.0, + AUTOTHROTTLE_START_DELAY + 2.0, + ), + ), +) +def test_startdelay_definition(min_spider, min_setting, start_setting, expected): + settings = {} + if min_setting is not UNSET: + settings["DOWNLOAD_DELAY"] = min_setting + if start_setting is not UNSET: + settings["AUTOTHROTTLE_START_DELAY"] = start_setting + + class _TestSpider(Spider): + name = "test" + + if min_spider is not UNSET: + _TestSpider.download_delay = min_spider + + crawler = get_crawler(settings, _TestSpider) + at = build_from_crawler(AutoThrottle, crawler) + spider = _TestSpider() + at._spider_opened(spider) + assert spider.download_delay == expected + + +@pytest.mark.parametrize( + ("meta", "slot"), + ( + ({}, None), + ({"download_latency": 1.0}, None), + ({"download_slot": "foo"}, None), + ({"download_slot": "foo"}, "foo"), + ({"download_latency": 1.0, "download_slot": "foo"}, None), + ), +) +def test_skipped(meta, slot): + crawler = get_crawler() + at = build_from_crawler(AutoThrottle, crawler) + spider = TestSpider() + at._spider_opened(spider) + request = Request("https://example.com", meta=meta) + + crawler.engine = Mock() + crawler.engine.downloader = Mock() + crawler.engine.downloader.slots = {} + if slot is not None: + crawler.engine.downloader.slots[slot] = object() + at._adjust_delay = None # Raise exception if called. + + at._response_downloaded(None, request, spider) + + +@pytest.mark.parametrize( + ("download_latency", "target_concurrency", "slot_delay", "expected"), + ( + (2.0, 2.0, 1.0, 1.0), + (1.0, 2.0, 1.0, 0.75), + (4.0, 2.0, 1.0, 2.0), + (2.0, 1.0, 1.0, 2.0), + (2.0, 4.0, 1.0, 0.75), + (2.0, 2.0, 0.5, 1.0), + (2.0, 2.0, 2.0, 1.5), + ), +) +def test_adjustment(download_latency, target_concurrency, slot_delay, expected): + settings = {"AUTOTHROTTLE_TARGET_CONCURRENCY": target_concurrency} + crawler = get_crawler(settings) + at = build_from_crawler(AutoThrottle, crawler) + spider = TestSpider() + at._spider_opened(spider) + meta = {"download_latency": download_latency, "download_slot": "foo"} + request = Request("https://example.com", meta=meta) + response = Response(request.url) + + crawler.engine = Mock() + crawler.engine.downloader = Mock() + crawler.engine.downloader.slots = {} + slot = Mock() + slot.delay = slot_delay + crawler.engine.downloader.slots["foo"] = slot + + at._response_downloaded(response, request, spider) + + assert slot.delay == expected, f"{slot.delay} != {expected}" + + +@pytest.mark.parametrize( + ("mindelay", "maxdelay", "expected"), + ( + (0.5, 2.0, 1.0), + (0.25, 0.5, 0.5), + (2.0, 4.0, 2.0), + ), +) +def test_adjustment_limits(mindelay, maxdelay, expected): + download_latency, target_concurrency, slot_delay = (2.0, 2.0, 1.0) + # expected adjustment without limits with these values: 1.0 + settings = { + "AUTOTHROTTLE_MAX_DELAY": maxdelay, + "AUTOTHROTTLE_TARGET_CONCURRENCY": target_concurrency, + "DOWNLOAD_DELAY": mindelay, + } + crawler = get_crawler(settings) + at = build_from_crawler(AutoThrottle, crawler) + spider = TestSpider() + at._spider_opened(spider) + meta = {"download_latency": download_latency, "download_slot": "foo"} + request = Request("https://example.com", meta=meta) + response = Response(request.url) + + crawler.engine = Mock() + crawler.engine.downloader = Mock() + crawler.engine.downloader.slots = {} + slot = Mock() + slot.delay = slot_delay + crawler.engine.downloader.slots["foo"] = slot + + at._response_downloaded(response, request, spider) + + assert slot.delay == expected, f"{slot.delay} != {expected}" + + +@pytest.mark.parametrize( + ("download_latency", "target_concurrency", "slot_delay", "expected"), + ( + (2.0, 2.0, 1.0, 1.0), + (1.0, 2.0, 1.0, 1.0), # Instead of 0.75 + (4.0, 2.0, 1.0, 2.0), + ), +) +def test_adjustment_bad_response( + download_latency, target_concurrency, slot_delay, expected +): + settings = {"AUTOTHROTTLE_TARGET_CONCURRENCY": target_concurrency} + crawler = get_crawler(settings) + at = build_from_crawler(AutoThrottle, crawler) + spider = TestSpider() + at._spider_opened(spider) + meta = {"download_latency": download_latency, "download_slot": "foo"} + request = Request("https://example.com", meta=meta) + response = Response(request.url, status=400) + + crawler.engine = Mock() + crawler.engine.downloader = Mock() + crawler.engine.downloader.slots = {} + slot = Mock() + slot.delay = slot_delay + crawler.engine.downloader.slots["foo"] = slot + + at._response_downloaded(response, request, spider) + + assert slot.delay == expected, f"{slot.delay} != {expected}" + + +def test_debug(caplog): + settings = {"AUTOTHROTTLE_DEBUG": True} + crawler = get_crawler(settings) + at = build_from_crawler(AutoThrottle, crawler) + spider = TestSpider() + at._spider_opened(spider) + meta = {"download_latency": 1.0, "download_slot": "foo"} + request = Request("https://example.com", meta=meta) + response = Response(request.url, body=b"foo") + + crawler.engine = Mock() + crawler.engine.downloader = Mock() + crawler.engine.downloader.slots = {} + slot = Mock() + slot.delay = 2.0 + slot.transferring = (None, None) + crawler.engine.downloader.slots["foo"] = slot + + caplog.clear() + with caplog.at_level(INFO): + at._response_downloaded(response, request, spider) + + assert caplog.record_tuples == [ + ( + "scrapy.extensions.throttle", + INFO, + "slot: foo | conc: 2 | delay: 1500 ms (-500) | latency: 1000 ms | size: 3 bytes", + ), + ] + + +def test_debug_disabled(caplog): + crawler = get_crawler() + at = build_from_crawler(AutoThrottle, crawler) + spider = TestSpider() + at._spider_opened(spider) + meta = {"download_latency": 1.0, "download_slot": "foo"} + request = Request("https://example.com", meta=meta) + response = Response(request.url, body=b"foo") + + crawler.engine = Mock() + crawler.engine.downloader = Mock() + crawler.engine.downloader.slots = {} + slot = Mock() + slot.delay = 2.0 + slot.transferring = (None, None) + crawler.engine.downloader.slots["foo"] = slot + + caplog.clear() + with caplog.at_level(INFO): + at._response_downloaded(response, request, spider) + + assert caplog.record_tuples == [] From d87f949526470fc4847c99f58e1dcc40d4e9ed00 Mon Sep 17 00:00:00 2001 From: Laerte Pereira Date: Tue, 27 Feb 2024 17:08:13 -0300 Subject: [PATCH 094/786] Use defusedxml.xmlrpc --- scrapy/http/request/rpc.py | 4 ++++ setup.py | 1 + 2 files changed, 5 insertions(+) diff --git a/scrapy/http/request/rpc.py b/scrapy/http/request/rpc.py index bde860a66..2bf5ba4b6 100644 --- a/scrapy/http/request/rpc.py +++ b/scrapy/http/request/rpc.py @@ -7,9 +7,13 @@ See documentation in docs/topics/request-response.rst import xmlrpc.client as xmlrpclib from typing import Any, Optional +from defusedxml import xmlrpc + from scrapy.http.request import Request from scrapy.utils.python import get_func_args +xmlrpc.monkey_patch() + DUMPS_ARGS = get_func_args(xmlrpclib.dumps) diff --git a/setup.py b/setup.py index 405633f55..2d6d26b0c 100644 --- a/setup.py +++ b/setup.py @@ -22,6 +22,7 @@ install_requires = [ "packaging", "tldextract", "lxml>=4.4.1", + "defusedxml>=0.7.1", ] extras_require = { ':platform_python_implementation == "CPython"': ["PyDispatcher>=2.0.5"], From 7f945ad6db728234987629b2299750abee5c1781 Mon Sep 17 00:00:00 2001 From: Laerte Pereira Date: Tue, 27 Feb 2024 17:39:29 -0300 Subject: [PATCH 095/786] Import defusedxml.xmlrpc using alias --- scrapy/http/request/rpc.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/scrapy/http/request/rpc.py b/scrapy/http/request/rpc.py index 2bf5ba4b6..5a2107f76 100644 --- a/scrapy/http/request/rpc.py +++ b/scrapy/http/request/rpc.py @@ -7,12 +7,12 @@ See documentation in docs/topics/request-response.rst import xmlrpc.client as xmlrpclib from typing import Any, Optional -from defusedxml import xmlrpc +import defusedxml.xmlrpc as xml_rpc from scrapy.http.request import Request from scrapy.utils.python import get_func_args -xmlrpc.monkey_patch() +xml_rpc.monkey_patch() DUMPS_ARGS = get_func_args(xmlrpclib.dumps) From 008ebb65fc2f0e7cfe9fa43d7ac938a94b3098fb Mon Sep 17 00:00:00 2001 From: Laerte Pereira Date: Tue, 27 Feb 2024 18:10:28 -0300 Subject: [PATCH 096/786] Change immport style --- scrapy/http/request/rpc.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/scrapy/http/request/rpc.py b/scrapy/http/request/rpc.py index 5a2107f76..84b433990 100644 --- a/scrapy/http/request/rpc.py +++ b/scrapy/http/request/rpc.py @@ -7,12 +7,12 @@ See documentation in docs/topics/request-response.rst import xmlrpc.client as xmlrpclib from typing import Any, Optional -import defusedxml.xmlrpc as xml_rpc +import defusedxml.xmlrpc from scrapy.http.request import Request from scrapy.utils.python import get_func_args -xml_rpc.monkey_patch() +defusedxml.xmlrpc.monkey_patch() DUMPS_ARGS = get_func_args(xmlrpclib.dumps) From 282767f23b2e71969bea3bd5492abde88d2054c6 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Tue, 27 Feb 2024 19:49:06 +0500 Subject: [PATCH 097/786] Bump black. --- .flake8 | 2 +- .pre-commit-config.yaml | 4 ++-- docs/topics/addons.rst | 3 +-- scrapy/commands/__init__.py | 1 + scrapy/commands/shell.py | 1 + scrapy/core/downloader/handlers/__init__.py | 6 +++--- scrapy/core/downloader/handlers/http10.py | 1 + scrapy/core/downloader/middleware.py | 1 + scrapy/core/engine.py | 1 + scrapy/core/http2/stream.py | 12 ++++++------ scrapy/core/scraper.py | 1 + scrapy/core/spidermw.py | 1 + scrapy/downloadermiddlewares/defaultheaders.py | 1 + scrapy/downloadermiddlewares/downloadtimeout.py | 1 + scrapy/downloadermiddlewares/retry.py | 1 + scrapy/exceptions.py | 1 + scrapy/extension.py | 1 + scrapy/extensions/corestats.py | 1 + scrapy/extensions/memusage.py | 1 + scrapy/extensions/postprocessing.py | 1 + scrapy/http/request/__init__.py | 17 +++++++++++------ scrapy/http/request/rpc.py | 1 + scrapy/http/response/__init__.py | 1 + scrapy/http/response/text.py | 1 + scrapy/link.py | 1 + scrapy/linkextractors/__init__.py | 1 + scrapy/linkextractors/lxmlhtml.py | 1 + scrapy/loader/__init__.py | 1 + scrapy/mail.py | 1 + scrapy/pipelines/__init__.py | 1 + scrapy/pipelines/files.py | 1 + scrapy/pipelines/images.py | 1 + scrapy/responsetypes.py | 1 + scrapy/selector/unified.py | 1 + scrapy/settings/__init__.py | 1 - scrapy/shell.py | 1 + scrapy/spidermiddlewares/httperror.py | 1 + scrapy/spidermiddlewares/offsite.py | 1 + scrapy/spidermiddlewares/referer.py | 1 + scrapy/spiders/__init__.py | 1 + scrapy/spiders/feed.py | 1 + scrapy/statscollectors.py | 1 + scrapy/utils/defer.py | 7 +++---- scrapy/utils/deprecate.py | 6 ++---- scrapy/utils/iterators.py | 11 +++++------ scrapy/utils/misc.py | 1 + scrapy/utils/python.py | 7 +++---- scrapy/utils/request.py | 7 ++++--- scrapy/utils/response.py | 7 ++++--- scrapy/utils/signal.py | 1 + scrapy/utils/sitemap.py | 1 + scrapy/utils/spider.py | 15 +++++---------- scrapy/utils/url.py | 1 + tests/mocks/dummydbm.py | 1 + tests/spiders.py | 1 + tests/test_exporters.py | 4 +++- tests/test_pipeline_media.py | 6 +++--- tests/test_responsetypes.py | 5 ++++- tests/test_webclient.py | 1 + 59 files changed, 102 insertions(+), 60 deletions(-) diff --git a/.flake8 b/.flake8 index 544d72956..62ccad9cf 100644 --- a/.flake8 +++ b/.flake8 @@ -1,7 +1,7 @@ [flake8] max-line-length = 119 -ignore = W503, E203 +ignore = E203, E501, E701, E704, W503 exclude = docs/conf.py diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml index 0cff5cc73..83bc65b67 100644 --- a/.pre-commit-config.yaml +++ b/.pre-commit-config.yaml @@ -9,7 +9,7 @@ repos: hooks: - id: flake8 - repo: https://github.com/psf/black.git - rev: 23.9.1 + rev: 24.2.0 hooks: - id: black - repo: https://github.com/pycqa/isort @@ -21,4 +21,4 @@ repos: hooks: - id: blacken-docs additional_dependencies: - - black==23.9.1 + - black==24.2.0 diff --git a/docs/topics/addons.rst b/docs/topics/addons.rst index 1bf2172bd..d2fc41003 100644 --- a/docs/topics/addons.rst +++ b/docs/topics/addons.rst @@ -150,8 +150,7 @@ Access the crawler instance: def from_crawler(cls, crawler): return cls(crawler) - def update_settings(self, settings): - ... + def update_settings(self, settings): ... Use a fallback component: diff --git a/scrapy/commands/__init__.py b/scrapy/commands/__init__.py index 2aa569cdd..27993710e 100644 --- a/scrapy/commands/__init__.py +++ b/scrapy/commands/__init__.py @@ -1,6 +1,7 @@ """ Base class for Scrapy commands """ + import argparse import os from pathlib import Path diff --git a/scrapy/commands/shell.py b/scrapy/commands/shell.py index 12e37babc..f72a23c6a 100644 --- a/scrapy/commands/shell.py +++ b/scrapy/commands/shell.py @@ -3,6 +3,7 @@ Scrapy Shell See documentation in docs/topics/shell.rst """ + from argparse import Namespace from threading import Thread from typing import List, Type diff --git a/scrapy/core/downloader/handlers/__init__.py b/scrapy/core/downloader/handlers/__init__.py index 416669b7f..ade51ca63 100644 --- a/scrapy/core/downloader/handlers/__init__.py +++ b/scrapy/core/downloader/handlers/__init__.py @@ -21,9 +21,9 @@ logger = logging.getLogger(__name__) class DownloadHandlers: def __init__(self, crawler: "Crawler"): self._crawler: "Crawler" = crawler - self._schemes: Dict[ - str, Union[str, Callable] - ] = {} # stores acceptable schemes on instancing + self._schemes: Dict[str, Union[str, Callable]] = ( + {} + ) # stores acceptable schemes on instancing self._handlers: Dict[str, Any] = {} # stores instanced handlers for schemes self._notconfigured: Dict[str, str] = {} # remembers failed handlers handlers: Dict[str, Union[str, Callable]] = without_none_values( diff --git a/scrapy/core/downloader/handlers/http10.py b/scrapy/core/downloader/handlers/http10.py index b6ac7a251..d168c2b2e 100644 --- a/scrapy/core/downloader/handlers/http10.py +++ b/scrapy/core/downloader/handlers/http10.py @@ -1,5 +1,6 @@ """Download handlers for http and https schemes """ + from scrapy.utils.misc import build_from_crawler, load_object from scrapy.utils.python import to_unicode diff --git a/scrapy/core/downloader/middleware.py b/scrapy/core/downloader/middleware.py index dca13c01e..52ebe4e22 100644 --- a/scrapy/core/downloader/middleware.py +++ b/scrapy/core/downloader/middleware.py @@ -3,6 +3,7 @@ Downloader Middleware manager See documentation in docs/topics/downloader-middleware.rst """ + from typing import Any, Callable, Generator, List, Union, cast from twisted.internet.defer import Deferred, inlineCallbacks diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index 545cd401f..2db085081 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -4,6 +4,7 @@ This is the Scrapy engine which controls the Scheduler, Downloader and Spider. For more information see docs/topics/architecture.rst """ + import logging from time import time from typing import ( diff --git a/scrapy/core/http2/stream.py b/scrapy/core/http2/stream.py index 0f282d83d..4132fc385 100644 --- a/scrapy/core/http2/stream.py +++ b/scrapy/core/http2/stream.py @@ -111,17 +111,17 @@ class Stream: # Metadata of an HTTP/2 connection stream # initialized when stream is instantiated self.metadata: Dict = { - "request_content_length": 0 - if self._request.body is None - else len(self._request.body), + "request_content_length": ( + 0 if self._request.body is None else len(self._request.body) + ), # Flag to keep track whether the stream has initiated the request "request_sent": False, # Flag to track whether we have logged about exceeding download warnsize "reached_warnsize": False, # Each time we send a data frame, we will decrease value by the amount send. - "remaining_content_length": 0 - if self._request.body is None - else len(self._request.body), + "remaining_content_length": ( + 0 if self._request.body is None else len(self._request.body) + ), # Flag to keep track whether client (self) have closed this stream "stream_closed_local": False, # Flag to keep track whether the server has closed the stream diff --git a/scrapy/core/scraper.py b/scrapy/core/scraper.py index 8fb16b8a9..272841e01 100644 --- a/scrapy/core/scraper.py +++ b/scrapy/core/scraper.py @@ -1,5 +1,6 @@ """This module implements the Scraper component which parses responses and extracts information from them""" + from __future__ import annotations import logging diff --git a/scrapy/core/spidermw.py b/scrapy/core/spidermw.py index 031a0be36..1ccfd08a2 100644 --- a/scrapy/core/spidermw.py +++ b/scrapy/core/spidermw.py @@ -3,6 +3,7 @@ Spider Middleware manager See documentation in docs/topics/spider-middleware.rst """ + import logging from inspect import isasyncgenfunction, iscoroutine from itertools import islice diff --git a/scrapy/downloadermiddlewares/defaultheaders.py b/scrapy/downloadermiddlewares/defaultheaders.py index 8aec37cf1..58fd415b9 100644 --- a/scrapy/downloadermiddlewares/defaultheaders.py +++ b/scrapy/downloadermiddlewares/defaultheaders.py @@ -3,6 +3,7 @@ DefaultHeaders downloader middleware See documentation in docs/topics/downloader-middleware.rst """ + from __future__ import annotations from typing import TYPE_CHECKING, Iterable, Tuple, Union diff --git a/scrapy/downloadermiddlewares/downloadtimeout.py b/scrapy/downloadermiddlewares/downloadtimeout.py index 1c904c05b..fd7c03a38 100644 --- a/scrapy/downloadermiddlewares/downloadtimeout.py +++ b/scrapy/downloadermiddlewares/downloadtimeout.py @@ -3,6 +3,7 @@ Download timeout middleware See documentation in docs/topics/downloader-middleware.rst """ + from __future__ import annotations from typing import TYPE_CHECKING, Union diff --git a/scrapy/downloadermiddlewares/retry.py b/scrapy/downloadermiddlewares/retry.py index 3c494de78..46587a898 100644 --- a/scrapy/downloadermiddlewares/retry.py +++ b/scrapy/downloadermiddlewares/retry.py @@ -9,6 +9,7 @@ RETRY_HTTP_CODES - which HTTP response codes to retry Failed pages are collected on the scraping process and rescheduled at the end, once the spider has finished crawling all regular (non failed) pages. """ + from __future__ import annotations import warnings diff --git a/scrapy/exceptions.py b/scrapy/exceptions.py index 6d188c489..e7ecdbe0c 100644 --- a/scrapy/exceptions.py +++ b/scrapy/exceptions.py @@ -4,6 +4,7 @@ Scrapy core exceptions These exceptions are documented in docs/topics/exceptions.rst. Please don't add new exceptions here without documenting them there. """ + from typing import Any # Internal diff --git a/scrapy/extension.py b/scrapy/extension.py index 4e365cfa1..6be14450c 100644 --- a/scrapy/extension.py +++ b/scrapy/extension.py @@ -3,6 +3,7 @@ The Extension Manager See documentation in docs/topics/extensions.rst """ + from scrapy.middleware import MiddlewareManager from scrapy.utils.conf import build_component_list diff --git a/scrapy/extensions/corestats.py b/scrapy/extensions/corestats.py index 302a615f2..717c249d9 100644 --- a/scrapy/extensions/corestats.py +++ b/scrapy/extensions/corestats.py @@ -1,6 +1,7 @@ """ Extension for collecting core stats like items scraped and start/finish times """ + from datetime import datetime, timezone from scrapy import signals diff --git a/scrapy/extensions/memusage.py b/scrapy/extensions/memusage.py index ca766c938..4d4501c44 100644 --- a/scrapy/extensions/memusage.py +++ b/scrapy/extensions/memusage.py @@ -3,6 +3,7 @@ MemoryUsage extension See documentation in docs/topics/extensions.rst """ + import logging import socket import sys diff --git a/scrapy/extensions/postprocessing.py b/scrapy/extensions/postprocessing.py index 17969c5b0..f8b59827b 100644 --- a/scrapy/extensions/postprocessing.py +++ b/scrapy/extensions/postprocessing.py @@ -1,6 +1,7 @@ """ Extension for processing data before they are exported to feeds. """ + from bz2 import BZ2File from gzip import GzipFile from io import IOBase diff --git a/scrapy/http/request/__init__.py b/scrapy/http/request/__init__.py index a1c5a5e51..6269ee86a 100644 --- a/scrapy/http/request/__init__.py +++ b/scrapy/http/request/__init__.py @@ -4,6 +4,7 @@ requests in Scrapy. See documentation in docs/topics/request-response.rst """ + import inspect from typing import ( Any, @@ -231,12 +232,16 @@ class Request(object_ref): """ d = { "url": self.url, # urls are safe (safe_string_url) - "callback": _find_method(spider, self.callback) - if callable(self.callback) - else self.callback, - "errback": _find_method(spider, self.errback) - if callable(self.errback) - else self.errback, + "callback": ( + _find_method(spider, self.callback) + if callable(self.callback) + else self.callback + ), + "errback": ( + _find_method(spider, self.errback) + if callable(self.errback) + else self.errback + ), "headers": dict(self.headers), } for attr in self.attributes: diff --git a/scrapy/http/request/rpc.py b/scrapy/http/request/rpc.py index 84b433990..e20e7c438 100644 --- a/scrapy/http/request/rpc.py +++ b/scrapy/http/request/rpc.py @@ -4,6 +4,7 @@ This module implements the XmlRpcRequest class which is a more convenient class See documentation in docs/topics/request-response.rst """ + import xmlrpc.client as xmlrpclib from typing import Any, Optional diff --git a/scrapy/http/response/__init__.py b/scrapy/http/response/__init__.py index 6eae3e8b3..d73dfce4b 100644 --- a/scrapy/http/response/__init__.py +++ b/scrapy/http/response/__init__.py @@ -4,6 +4,7 @@ responses in Scrapy. See documentation in docs/topics/request-response.rst """ + from __future__ import annotations from ipaddress import IPv4Address, IPv6Address diff --git a/scrapy/http/response/text.py b/scrapy/http/response/text.py index 6596d8a5c..2816610fb 100644 --- a/scrapy/http/response/text.py +++ b/scrapy/http/response/text.py @@ -4,6 +4,7 @@ discovering (through HTTP headers) to base Response class. See documentation in docs/topics/request-response.rst """ + from __future__ import annotations import json diff --git a/scrapy/link.py b/scrapy/link.py index 0868ae5ef..4bdbc1823 100644 --- a/scrapy/link.py +++ b/scrapy/link.py @@ -4,6 +4,7 @@ This module defines the Link object used in Link extractors. For actual link extractors implementation see scrapy.linkextractors, or its documentation in: docs/topics/link-extractors.rst """ + from typing import Any diff --git a/scrapy/linkextractors/__init__.py b/scrapy/linkextractors/__init__.py index 3774430a7..73a63651c 100644 --- a/scrapy/linkextractors/__init__.py +++ b/scrapy/linkextractors/__init__.py @@ -5,6 +5,7 @@ This package contains a collection of Link Extractors. For more info see docs/topics/link-extractors.rst """ + import re # common file extensions that are not followed if they occur in links diff --git a/scrapy/linkextractors/lxmlhtml.py b/scrapy/linkextractors/lxmlhtml.py index 23cbd0116..d76db20ba 100644 --- a/scrapy/linkextractors/lxmlhtml.py +++ b/scrapy/linkextractors/lxmlhtml.py @@ -1,6 +1,7 @@ """ Link extractor based on lxml.html """ + import logging import operator from functools import partial diff --git a/scrapy/loader/__init__.py b/scrapy/loader/__init__.py index 1042a3d48..529fa279e 100644 --- a/scrapy/loader/__init__.py +++ b/scrapy/loader/__init__.py @@ -3,6 +3,7 @@ Item Loader See documentation in docs/topics/loaders.rst """ + import itemloaders from scrapy.item import Item diff --git a/scrapy/mail.py b/scrapy/mail.py index 237327451..4b18b6003 100644 --- a/scrapy/mail.py +++ b/scrapy/mail.py @@ -3,6 +3,7 @@ Mail sending helpers See documentation in docs/topics/email.rst """ + import logging from email import encoders as Encoders from email.mime.base import MIMEBase diff --git a/scrapy/pipelines/__init__.py b/scrapy/pipelines/__init__.py index c97d71fb6..f9544d329 100644 --- a/scrapy/pipelines/__init__.py +++ b/scrapy/pipelines/__init__.py @@ -3,6 +3,7 @@ Item pipeline See documentation in docs/item-pipeline.rst """ + from typing import Any, List from twisted.internet.defer import Deferred diff --git a/scrapy/pipelines/files.py b/scrapy/pipelines/files.py index 73064ad10..1d7625299 100644 --- a/scrapy/pipelines/files.py +++ b/scrapy/pipelines/files.py @@ -3,6 +3,7 @@ Files Pipeline See documentation in topics/media-pipeline.rst """ + import base64 import functools import hashlib diff --git a/scrapy/pipelines/images.py b/scrapy/pipelines/images.py index 02c4b1361..8169583f8 100644 --- a/scrapy/pipelines/images.py +++ b/scrapy/pipelines/images.py @@ -3,6 +3,7 @@ Images Pipeline See documentation in topics/media-pipeline.rst """ + import functools import hashlib import warnings diff --git a/scrapy/responsetypes.py b/scrapy/responsetypes.py index 0d127d851..702e50536 100644 --- a/scrapy/responsetypes.py +++ b/scrapy/responsetypes.py @@ -2,6 +2,7 @@ This module implements a class which returns the appropriate Response class based on different criteria. """ + from io import StringIO from mimetypes import MimeTypes from pkgutil import get_data diff --git a/scrapy/selector/unified.py b/scrapy/selector/unified.py index 863fb6032..75d5e9fbd 100644 --- a/scrapy/selector/unified.py +++ b/scrapy/selector/unified.py @@ -1,6 +1,7 @@ """ XPath selectors based on lxml """ + from typing import Any, Optional, Type, Union from parsel import Selector as _ParselSelector diff --git a/scrapy/settings/__init__.py b/scrapy/settings/__init__.py index b5d8fdb12..d270a72f4 100644 --- a/scrapy/settings/__init__.py +++ b/scrapy/settings/__init__.py @@ -58,7 +58,6 @@ def get_settings_priority(priority: Union[int, str]) -> int: class SettingsAttribute: - """Class for storing data related to settings attributes. This class is intended for internal usage, you should try Settings class diff --git a/scrapy/shell.py b/scrapy/shell.py index bb3b1461c..05909977a 100644 --- a/scrapy/shell.py +++ b/scrapy/shell.py @@ -3,6 +3,7 @@ See documentation in docs/topics/shell.rst """ + import os import signal diff --git a/scrapy/spidermiddlewares/httperror.py b/scrapy/spidermiddlewares/httperror.py index 94450b35b..35c869a75 100644 --- a/scrapy/spidermiddlewares/httperror.py +++ b/scrapy/spidermiddlewares/httperror.py @@ -3,6 +3,7 @@ HttpError Spider Middleware See documentation in docs/topics/spider-middleware.rst """ + from __future__ import annotations import logging diff --git a/scrapy/spidermiddlewares/offsite.py b/scrapy/spidermiddlewares/offsite.py index a5214702d..dd2fccfcb 100644 --- a/scrapy/spidermiddlewares/offsite.py +++ b/scrapy/spidermiddlewares/offsite.py @@ -3,6 +3,7 @@ Offsite Spider Middleware See documentation in docs/topics/spider-middleware.rst """ + from __future__ import annotations import logging diff --git a/scrapy/spidermiddlewares/referer.py b/scrapy/spidermiddlewares/referer.py index a29e0ebb5..a0b6851e5 100644 --- a/scrapy/spidermiddlewares/referer.py +++ b/scrapy/spidermiddlewares/referer.py @@ -2,6 +2,7 @@ RefererMiddleware: populates Request referer field, based on the Response which originated it. """ + from __future__ import annotations import warnings diff --git a/scrapy/spiders/__init__.py b/scrapy/spiders/__init__.py index e16d71727..72c2aaba7 100644 --- a/scrapy/spiders/__init__.py +++ b/scrapy/spiders/__init__.py @@ -3,6 +3,7 @@ Base class for Scrapy spiders See documentation in docs/topics/spiders.rst """ + from __future__ import annotations import logging diff --git a/scrapy/spiders/feed.py b/scrapy/spiders/feed.py index 599af7360..5caf8c79e 100644 --- a/scrapy/spiders/feed.py +++ b/scrapy/spiders/feed.py @@ -4,6 +4,7 @@ for scraping from an XML feed. See documentation in docs/topics/spiders.rst """ + from scrapy.exceptions import NotConfigured, NotSupported from scrapy.selector import Selector from scrapy.spiders import Spider diff --git a/scrapy/statscollectors.py b/scrapy/statscollectors.py index 15193aac5..ab571a3ab 100644 --- a/scrapy/statscollectors.py +++ b/scrapy/statscollectors.py @@ -1,6 +1,7 @@ """ Scrapy extension for collecting scraping stats """ + import logging import pprint from typing import TYPE_CHECKING, Any, Dict, Optional diff --git a/scrapy/utils/defer.py b/scrapy/utils/defer.py index bf3c5ef5b..c391db9fd 100644 --- a/scrapy/utils/defer.py +++ b/scrapy/utils/defer.py @@ -1,6 +1,7 @@ """ Helper functions for dealing with Twisted deferreds """ + import asyncio import inspect from asyncio import Future @@ -304,13 +305,11 @@ _T = TypeVar("_T") @overload -def deferred_from_coro(o: _CT) -> Deferred: - ... +def deferred_from_coro(o: _CT) -> Deferred: ... @overload -def deferred_from_coro(o: _T) -> _T: - ... +def deferred_from_coro(o: _T) -> _T: ... def deferred_from_coro(o: _T) -> Union[Deferred, _T]: diff --git a/scrapy/utils/deprecate.py b/scrapy/utils/deprecate.py index ea577c44a..e0f2ac763 100644 --- a/scrapy/utils/deprecate.py +++ b/scrapy/utils/deprecate.py @@ -138,13 +138,11 @@ DEPRECATION_RULES: List[Tuple[str, str]] = [] @overload -def update_classpath(path: str) -> str: - ... +def update_classpath(path: str) -> str: ... @overload -def update_classpath(path: Any) -> Any: - ... +def update_classpath(path: Any) -> Any: ... def update_classpath(path: Any) -> Any: diff --git a/scrapy/utils/iterators.py b/scrapy/utils/iterators.py index c56be5ea2..93a2ba7a1 100644 --- a/scrapy/utils/iterators.py +++ b/scrapy/utils/iterators.py @@ -225,18 +225,17 @@ def csviter( @overload -def _body_or_str(obj: Union[Response, str, bytes]) -> str: - ... +def _body_or_str(obj: Union[Response, str, bytes]) -> str: ... @overload -def _body_or_str(obj: Union[Response, str, bytes], unicode: Literal[True]) -> str: - ... +def _body_or_str(obj: Union[Response, str, bytes], unicode: Literal[True]) -> str: ... @overload -def _body_or_str(obj: Union[Response, str, bytes], unicode: Literal[False]) -> bytes: - ... +def _body_or_str( + obj: Union[Response, str, bytes], unicode: Literal[False] +) -> bytes: ... def _body_or_str( diff --git a/scrapy/utils/misc.py b/scrapy/utils/misc.py index b38190cb3..7b43760a8 100644 --- a/scrapy/utils/misc.py +++ b/scrapy/utils/misc.py @@ -1,4 +1,5 @@ """Helper functions which don't fit anywhere else""" + import ast import hashlib import inspect diff --git a/scrapy/utils/python.py b/scrapy/utils/python.py index 68ca96b69..7b408c49c 100644 --- a/scrapy/utils/python.py +++ b/scrapy/utils/python.py @@ -1,6 +1,7 @@ """ This module contains essential stuff that should've come with Python itself ;) """ + import collections.abc import gc import inspect @@ -285,13 +286,11 @@ def equal_attributes( @overload -def without_none_values(iterable: Mapping) -> dict: - ... +def without_none_values(iterable: Mapping) -> dict: ... @overload -def without_none_values(iterable: Iterable) -> Iterable: - ... +def without_none_values(iterable: Iterable) -> Iterable: ... def without_none_values(iterable: Union[Mapping, Iterable]) -> Union[dict, Iterable]: diff --git a/scrapy/utils/request.py b/scrapy/utils/request.py index db0b44cf4..e99d1eeb5 100644 --- a/scrapy/utils/request.py +++ b/scrapy/utils/request.py @@ -44,7 +44,9 @@ def _serialize_headers( yield from request.headers.getlist(header) -_fingerprint_cache: "WeakKeyDictionary[Request, Dict[Tuple[Optional[Tuple[bytes, ...]], bool], bytes]]" +_fingerprint_cache: ( + "WeakKeyDictionary[Request, Dict[Tuple[Optional[Tuple[bytes, ...]], bool], bytes]]" +) _fingerprint_cache = WeakKeyDictionary() @@ -114,8 +116,7 @@ def fingerprint( class RequestFingerprinterProtocol(Protocol): - def fingerprint(self, request: Request) -> bytes: - ... + def fingerprint(self, request: Request) -> bytes: ... class RequestFingerprinter: diff --git a/scrapy/utils/response.py b/scrapy/utils/response.py index 33cd692bf..63a484b42 100644 --- a/scrapy/utils/response.py +++ b/scrapy/utils/response.py @@ -2,6 +2,7 @@ This module provides some useful functions for working with scrapy.http.Response objects """ + import os import re import tempfile @@ -29,9 +30,9 @@ def get_base_url(response: "scrapy.http.response.text.TextResponse") -> str: return _baseurl_cache[response] -_metaref_cache: "WeakKeyDictionary[Response, Union[Tuple[None, None], Tuple[float, str]]]" = ( - WeakKeyDictionary() -) +_metaref_cache: ( + "WeakKeyDictionary[Response, Union[Tuple[None, None], Tuple[float, str]]]" +) = WeakKeyDictionary() def get_meta_refresh( diff --git a/scrapy/utils/signal.py b/scrapy/utils/signal.py index 21a12a19e..a25100c03 100644 --- a/scrapy/utils/signal.py +++ b/scrapy/utils/signal.py @@ -1,4 +1,5 @@ """Helper functions for working with signals""" + import collections.abc import logging from typing import Any as TypingAny diff --git a/scrapy/utils/sitemap.py b/scrapy/utils/sitemap.py index 3d2ecc9a7..8bf941eb2 100644 --- a/scrapy/utils/sitemap.py +++ b/scrapy/utils/sitemap.py @@ -4,6 +4,7 @@ Module for processing Sitemaps. Note: The main purpose of this module is to provide support for the SitemapSpider, its API is subject to change without notice. """ + from typing import Any, Dict, Generator, Iterator, Optional from urllib.parse import urljoin diff --git a/scrapy/utils/spider.py b/scrapy/utils/spider.py index 704df8657..855bc8f87 100644 --- a/scrapy/utils/spider.py +++ b/scrapy/utils/spider.py @@ -39,13 +39,11 @@ def iterate_spider_output(result: AsyncGenerator) -> AsyncGenerator: # type: ig @overload -def iterate_spider_output(result: CoroutineType) -> Deferred: - ... +def iterate_spider_output(result: CoroutineType) -> Deferred: ... @overload -def iterate_spider_output(result: _T) -> Iterable: - ... +def iterate_spider_output(result: _T) -> Iterable: ... def iterate_spider_output(result: Any) -> Union[Iterable, AsyncGenerator, Deferred]: @@ -83,8 +81,7 @@ def spidercls_for_request( default_spidercls: Type[Spider], log_none: bool = ..., log_multiple: bool = ..., -) -> Type[Spider]: - ... +) -> Type[Spider]: ... @overload @@ -94,8 +91,7 @@ def spidercls_for_request( default_spidercls: Literal[None], log_none: bool = ..., log_multiple: bool = ..., -) -> Optional[Type[Spider]]: - ... +) -> Optional[Type[Spider]]: ... @overload @@ -105,8 +101,7 @@ def spidercls_for_request( *, log_none: bool = ..., log_multiple: bool = ..., -) -> Optional[Type[Spider]]: - ... +) -> Optional[Type[Spider]]: ... def spidercls_for_request( diff --git a/scrapy/utils/url.py b/scrapy/utils/url.py index 22b4197f9..9d97cb12f 100644 --- a/scrapy/utils/url.py +++ b/scrapy/utils/url.py @@ -5,6 +5,7 @@ library. Some of the functions that used to be imported from this module have been moved to the w3lib.url module. Always import those from there instead. """ + import re from typing import TYPE_CHECKING, Iterable, Optional, Type, Union, cast from urllib.parse import ParseResult, urldefrag, urlparse, urlunparse diff --git a/tests/mocks/dummydbm.py b/tests/mocks/dummydbm.py index 2869ff8f7..bde3de228 100644 --- a/tests/mocks/dummydbm.py +++ b/tests/mocks/dummydbm.py @@ -1,4 +1,5 @@ """DBM-like dummy module""" + import collections from typing import Any, DefaultDict diff --git a/tests/spiders.py b/tests/spiders.py index 3df153a12..94969db99 100644 --- a/tests/spiders.py +++ b/tests/spiders.py @@ -1,6 +1,7 @@ """ Some spiders used for testing and benchmarking """ + import asyncio import time from urllib.parse import urlencode diff --git a/tests/test_exporters.py b/tests/test_exporters.py index c11913365..59b724495 100644 --- a/tests/test_exporters.py +++ b/tests/test_exporters.py @@ -121,7 +121,9 @@ class BaseItemExporterTest(unittest.TestCase): self.assertEqual(name, "John\xa3") ie = self._get_exporter(fields_to_export={"name": "名稱"}) - self.assertEqual(list(ie._get_serialized_fields(self.i)), [("名稱", "John\xa3")]) + self.assertEqual( + list(ie._get_serialized_fields(self.i)), [("名稱", "John\xa3")] + ) def test_field_custom_serializer(self): i = self.custom_field_item_class(name="John\xa3", age="22") diff --git a/tests/test_pipeline_media.py b/tests/test_pipeline_media.py index 820484565..d477b59be 100644 --- a/tests/test_pipeline_media.py +++ b/tests/test_pipeline_media.py @@ -22,9 +22,9 @@ from scrapy.utils.test import get_crawler try: from PIL import Image # noqa: imported just to check for the import error except ImportError: - skip_pillow: Optional[ - str - ] = "Missing Python Imaging Library, install https://pypi.python.org/pypi/Pillow" + skip_pillow: Optional[str] = ( + "Missing Python Imaging Library, install https://pypi.python.org/pypi/Pillow" + ) else: skip_pillow = None diff --git a/tests/test_responsetypes.py b/tests/test_responsetypes.py index 713a83d52..2633cca5b 100644 --- a/tests/test_responsetypes.py +++ b/tests/test_responsetypes.py @@ -33,7 +33,10 @@ class ResponseTypesTest(unittest.TestCase): ("attachment;filename=dataµ.tar.gz".encode("latin-1"), Response), ("attachment;filename=data高.doc".encode("gbk"), Response), ("attachment;filename=دورهdata.html".encode("cp720"), HtmlResponse), - ("attachment;filename=日本語版Wikipedia.xml".encode("iso2022_jp"), XmlResponse), + ( + "attachment;filename=日本語版Wikipedia.xml".encode("iso2022_jp"), + XmlResponse, + ), ] for source, cls in mappings: retcls = responsetypes.from_content_disposition(source) diff --git a/tests/test_webclient.py b/tests/test_webclient.py index 53558814d..cce119001 100644 --- a/tests/test_webclient.py +++ b/tests/test_webclient.py @@ -2,6 +2,7 @@ from twisted.internet import defer Tests borrowed from the twisted.web.client tests. """ + import shutil from pathlib import Path from tempfile import mkdtemp From 6e5918345b8eb10674e11d9c4c5db8c9028be674 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Tue, 27 Feb 2024 19:50:54 +0500 Subject: [PATCH 098/786] Bump bandit, flake8 and isort. --- .pre-commit-config.yaml | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml index 83bc65b67..a911d4cfe 100644 --- a/.pre-commit-config.yaml +++ b/.pre-commit-config.yaml @@ -1,11 +1,11 @@ repos: - repo: https://github.com/PyCQA/bandit - rev: 1.7.5 + rev: 1.7.7 hooks: - id: bandit args: [-r, -c, .bandit.yml] - repo: https://github.com/PyCQA/flake8 - rev: 6.1.0 + rev: 7.0.0 hooks: - id: flake8 - repo: https://github.com/psf/black.git @@ -13,7 +13,7 @@ repos: hooks: - id: black - repo: https://github.com/pycqa/isort - rev: 5.12.0 + rev: 5.13.2 hooks: - id: isort - repo: https://github.com/adamchainz/blacken-docs From 68104b9f48802d1ecc1c892c61aaa197500435b5 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Tue, 27 Feb 2024 20:21:27 +0500 Subject: [PATCH 099/786] Update .bandit.yml, add problem names. --- .bandit.yml | 35 +++++++++++++++++------------------ 1 file changed, 17 insertions(+), 18 deletions(-) diff --git a/.bandit.yml b/.bandit.yml index 8c6a08e1b..6e8331c0f 100644 --- a/.bandit.yml +++ b/.bandit.yml @@ -1,20 +1,19 @@ skips: -- B101 -- B113 # https://github.com/PyCQA/bandit/issues/1010 -- B105 -- B301 -- B303 -- B307 -- B311 -- B320 -- B321 -- B324 -- B402 # https://github.com/scrapy/scrapy/issues/4180 -- B403 -- B404 -- B406 -- B410 -- B503 -- B603 -- B605 +- B101 # assert_used +- B105 # hardcoded_password_string +- B301 # pickle +- B307 # eval +- B311 # random +- B320 # xml_bad_etree +- B321 # ftplib, https://github.com/scrapy/scrapy/issues/4180 +- B324 # hashlib "Use of weak SHA1 hash for security" +- B402 # import_ftplib, https://github.com/scrapy/scrapy/issues/4180 +- B403 # import_pickle +- B404 # import_subprocess +- B406 # import_xml_sax +- B410 # import_lxml +- B411 # import_xmlrpclib, https://github.com/PyCQA/bandit/issues/1082 +- B503 # ssl_with_bad_defaults +- B603 # subprocess_without_shell_equals_true +- B605 # start_process_with_a_shell exclude_dirs: ['tests'] From d2c05d9d96394e111ead1aa097402cdbc18c0859 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Tue, 27 Feb 2024 20:43:57 +0500 Subject: [PATCH 100/786] Bump mypy and type stubs. --- scrapy/utils/spider.py | 3 +-- scrapy/utils/ssl.py | 2 +- tox.ini | 14 +++++++------- 3 files changed, 9 insertions(+), 10 deletions(-) diff --git a/scrapy/utils/spider.py b/scrapy/utils/spider.py index 855bc8f87..cbbb01d85 100644 --- a/scrapy/utils/spider.py +++ b/scrapy/utils/spider.py @@ -34,8 +34,7 @@ _T = TypeVar("_T") # https://stackoverflow.com/questions/60222982 @overload -def iterate_spider_output(result: AsyncGenerator) -> AsyncGenerator: # type: ignore[misc] - ... +def iterate_spider_output(result: AsyncGenerator) -> AsyncGenerator: ... # type: ignore[overload-overlap] @overload diff --git a/scrapy/utils/ssl.py b/scrapy/utils/ssl.py index e74769c65..d520ef809 100644 --- a/scrapy/utils/ssl.py +++ b/scrapy/utils/ssl.py @@ -1,6 +1,6 @@ from typing import Any, Optional -import OpenSSL._util as pyOpenSSLutil # type: ignore[import-untyped] +import OpenSSL._util as pyOpenSSLutil import OpenSSL.SSL import OpenSSL.version from OpenSSL.crypto import X509Name diff --git a/tox.ini b/tox.ini index 359ff0f73..e787c7bf3 100644 --- a/tox.ini +++ b/tox.ini @@ -29,14 +29,14 @@ install_command = [testenv:typing] basepython = python3 deps = - mypy==1.6.1 - typing-extensions==4.8.0 + mypy==1.8.0 + typing-extensions==4.10.0 types-attrs==19.1.0 - types-lxml==2023.10.21 - types-Pillow==10.1.0.0 - types-Pygments==2.16.0.0 - types-pyOpenSSL==23.3.0.0 - types-setuptools==68.2.0.0 + types-lxml==2024.2.9 + types-Pillow==10.2.0.20240213 + types-Pygments==2.17.0.20240106 + types-pyOpenSSL==24.0.0.20240130 + types-setuptools==69.1.0.20240223 # 2.1.2 fixes a typing bug: https://github.com/scrapy/w3lib/pull/211 w3lib >= 2.1.2 commands = From 4f9dd998dcf01c003bc2a053b6bd78091d12ecd5 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Tue, 27 Feb 2024 22:01:36 +0500 Subject: [PATCH 101/786] Bump pylint, cleanup the ignored tags. --- docs/conf.py | 2 +- pylintrc | 17 +----------- .../downloadermiddlewares/httpcompression.py | 2 +- scrapy/http/headers.py | 4 ++- scrapy/utils/ossignal.py | 6 ++++- scrapy/utils/signal.py | 5 +++- tests/test_commands.py | 27 ------------------- tests/test_item.py | 4 ++- tests/test_linkextractors.py | 3 --- tests/test_loader_deprecated.py | 6 ++--- tests/test_settings/__init__.py | 2 +- tests/test_utils_datatypes.py | 2 +- tests/test_utils_signal.py | 6 ----- tests/test_utils_spider.py | 2 +- tox.ini | 2 +- 15 files changed, 25 insertions(+), 65 deletions(-) diff --git a/docs/conf.py b/docs/conf.py index 9ca0f817a..399078010 100644 --- a/docs/conf.py +++ b/docs/conf.py @@ -227,7 +227,7 @@ latex_documents = [ # A list of regular expressions that match URIs that should not be checked when # doing a linkcheck build. linkcheck_ignore = [ - "http://localhost:\d+", + r"http://localhost:\d+", "http://hg.scrapy.org", "http://directory.google.com/", ] diff --git a/pylintrc b/pylintrc index c8654b8d3..78004e78a 100644 --- a/pylintrc +++ b/pylintrc @@ -4,21 +4,14 @@ jobs=1 # >1 hides results [MESSAGES CONTROL] disable=abstract-method, - anomalous-backslash-in-string, arguments-differ, arguments-renamed, attribute-defined-outside-init, bad-classmethod-argument, - bad-mcs-classmethod-argument, bare-except, broad-except, broad-exception-raised, c-extension-no-member, - catching-non-exception, - cell-var-from-loop, - comparison-with-callable, - consider-using-dict-items, - consider-using-in, consider-using-with, cyclic-import, dangerous-default-value, @@ -32,7 +25,6 @@ disable=abstract-method, implicit-str-concat, import-error, import-outside-toplevel, - import-self, inconsistent-return-statements, inherit-non-class, invalid-name, @@ -44,7 +36,6 @@ disable=abstract-method, logging-fstring-interpolation, logging-not-lazy, lost-exception, - method-hidden, missing-docstring, no-else-raise, no-else-return, @@ -52,7 +43,7 @@ disable=abstract-method, no-method-argument, no-name-in-module, no-self-argument, - no-value-for-parameter, + no-value-for-parameter, # https://github.com/pylint-dev/pylint/issues/3268 not-callable, pointless-exception-statement, pointless-statement, @@ -77,14 +68,10 @@ disable=abstract-method, too-many-public-methods, too-many-return-statements, unbalanced-tuple-unpacking, - undefined-variable, - undefined-loop-variable, - unexpected-special-method-signature, unnecessary-comprehension, unnecessary-dunder-call, unnecessary-pass, unreachable, - unsubscriptable-object, unused-argument, unused-import, unused-private-member, @@ -92,8 +79,6 @@ disable=abstract-method, unused-wildcard-import, use-dict-literal, used-before-assignment, - useless-object-inheritance, # Required for Python 2 support useless-return, - useless-super-delegation, wildcard-import, wrong-import-position diff --git a/scrapy/downloadermiddlewares/httpcompression.py b/scrapy/downloadermiddlewares/httpcompression.py index 1e340abb6..f0ad24f72 100644 --- a/scrapy/downloadermiddlewares/httpcompression.py +++ b/scrapy/downloadermiddlewares/httpcompression.py @@ -169,7 +169,7 @@ class HttpCompressionMiddleware: return to_decode, to_keep def _decode(self, body: bytes, encoding: bytes, max_size: int) -> bytes: - if encoding == b"gzip" or encoding == b"x-gzip": + if encoding in {b"gzip", b"x-gzip"}: return gunzip(body, max_size=max_size) if encoding == b"deflate": return _inflate(body, max_size=max_size) diff --git a/scrapy/http/headers.py b/scrapy/http/headers.py index 21eb9fb73..73aee7178 100644 --- a/scrapy/http/headers.py +++ b/scrapy/http/headers.py @@ -113,7 +113,9 @@ class Headers(CaselessDict): return ((k, self.getlist(k)) for k in self.keys()) def values(self) -> List[Optional[bytes]]: # type: ignore[override] - return [self[k] for k in self.keys()] + return [ + self[k] for k in self.keys() # pylint: disable=consider-using-dict-items + ] def to_string(self) -> bytes: # cast() can be removed if the headers_dict_to_raw() hint is improved diff --git a/scrapy/utils/ossignal.py b/scrapy/utils/ossignal.py index db9a71273..5985a847e 100644 --- a/scrapy/utils/ossignal.py +++ b/scrapy/utils/ossignal.py @@ -24,7 +24,11 @@ def install_shutdown_handlers( (e.g. Pdb) """ signal.signal(signal.SIGTERM, function) - if signal.getsignal(signal.SIGINT) == signal.default_int_handler or override_sigint: + if ( + signal.getsignal(signal.SIGINT) # pylint: disable=comparison-with-callable + == signal.default_int_handler + or override_sigint + ): signal.signal(signal.SIGINT, function) # Catch Ctrl-Break in windows if hasattr(signal, "SIGBREAK"): diff --git a/scrapy/utils/signal.py b/scrapy/utils/signal.py index a25100c03..89cfbd2ec 100644 --- a/scrapy/utils/signal.py +++ b/scrapy/utils/signal.py @@ -98,7 +98,10 @@ def send_catch_log_deferred( robustApply, receiver, signal=signal, sender=sender, *arguments, **named ) d.addErrback(logerror, receiver) - d.addBoth(lambda result: (receiver, result)) + # TODO https://pylint.readthedocs.io/en/latest/user_guide/messages/warning/cell-var-from-loop.html + d.addBoth( + lambda result: (receiver, result) # pylint: disable=cell-var-from-loop + ) dfds.append(d) d = DeferredList(dfds) d.addCallback(lambda out: [x[1] for x in out]) diff --git a/tests/test_commands.py b/tests/test_commands.py index 2f36baa87..febad21da 100644 --- a/tests/test_commands.py +++ b/tests/test_commands.py @@ -991,38 +991,11 @@ class MySpider(scrapy.Spider): class WindowsRunSpiderCommandTest(RunSpiderCommandTest): spider_filename = "myspider.pyw" - def setUp(self): - super().setUp() - def test_start_requests_errors(self): log = self.get_log(self.badspider, name="badspider.pyw") self.assertIn("start_requests", log) self.assertIn("badspider.pyw", log) - def test_run_good_spider(self): - super().test_run_good_spider() - - def test_runspider(self): - super().test_runspider() - - def test_runspider_dnscache_disabled(self): - super().test_runspider_dnscache_disabled() - - def test_runspider_log_level(self): - super().test_runspider_log_level() - - def test_runspider_log_short_names(self): - super().test_runspider_log_short_names() - - def test_runspider_no_spider_found(self): - super().test_runspider_no_spider_found() - - def test_output(self): - super().test_output() - - def test_overwrite_output(self): - super().test_overwrite_output() - def test_runspider_unable_to_load(self): raise unittest.SkipTest("Already Tested in 'RunSpiderCommandTest' ") diff --git a/tests/test_item.py b/tests/test_item.py index ce2b4fd15..daf5d4f59 100644 --- a/tests/test_item.py +++ b/tests/test_item.py @@ -290,7 +290,9 @@ class ItemMetaTest(unittest.TestCase): class ItemMetaClassCellRegression(unittest.TestCase): def test_item_meta_classcell_regression(self): class MyItem(Item, metaclass=ItemMeta): - def __init__(self, *args, **kwargs): + def __init__( + self, *args, **kwargs + ): # pylint: disable=useless-parent-delegation # This call to super() trigger the __classcell__ propagation # requirement. When not done properly raises an error: # TypeError: __class__ set to diff --git a/tests/test_linkextractors.py b/tests/test_linkextractors.py index 55ea9eed2..6b4df90d8 100644 --- a/tests/test_linkextractors.py +++ b/tests/test_linkextractors.py @@ -818,9 +818,6 @@ class LxmlLinkExtractorTestCase(Base.LinkExtractorTestCase): ], ) - def test_restrict_xpaths_with_html_entities(self): - super().test_restrict_xpaths_with_html_entities() - @mark.skipif( Version(w3lib_version) < Version("2.0.0"), reason=( diff --git a/tests/test_loader_deprecated.py b/tests/test_loader_deprecated.py index d7f773d5c..99cdf88d9 100644 --- a/tests/test_loader_deprecated.py +++ b/tests/test_loader_deprecated.py @@ -678,11 +678,11 @@ class SelectJmesTestCase(unittest.TestCase): } def test_output(self): - for tl in self.test_list_equals: - expr, test_list, expected = self.test_list_equals[tl] + for k, v in self.test_list_equals.items(): + expr, test_list, expected = v test = SelectJmes(expr)(test_list) self.assertEqual( - test, expected, msg=f'test "{tl}" got {test} expected {expected}' + test, expected, msg=f'test "{k}" got {test} expected {expected}' ) diff --git a/tests/test_settings/__init__.py b/tests/test_settings/__init__.py index 3fde5e8c5..9ee248538 100644 --- a/tests/test_settings/__init__.py +++ b/tests/test_settings/__init__.py @@ -426,7 +426,7 @@ class SettingsTest(unittest.TestCase): mydict = settings.get("TEST_DICT") self.assertIsInstance(mydict, BaseSettings) self.assertIn("key", mydict) - self.assertEqual(mydict["key"], "val") + self.assertEqual(mydict["key"], "val") # pylint: disable=unsubscriptable-object self.assertEqual(mydict.getpriority("key"), 0) @mock.patch("scrapy.settings.default_settings", default_settings) diff --git a/tests/test_utils_datatypes.py b/tests/test_utils_datatypes.py index 9e5f88f48..be5c6de81 100644 --- a/tests/test_utils_datatypes.py +++ b/tests/test_utils_datatypes.py @@ -353,7 +353,7 @@ class LocalWeakReferencedCacheTest(unittest.TestCase): for i, r in enumerate(refs): self.assertIn(r, cache) self.assertEqual(cache[r], i) - del r # delete reference to the last object in the list + del r # delete reference to the last object in the list # pylint: disable=undefined-loop-variable # delete half of the objects, make sure that is reflected in the cache for _ in range(max // 2): diff --git a/tests/test_utils_signal.py b/tests/test_utils_signal.py index 65b99e0c4..60232f10b 100644 --- a/tests/test_utils_signal.py +++ b/tests/test_utils_signal.py @@ -75,9 +75,6 @@ class SendCatchLogDeferredAsyncDefTest(SendCatchLogDeferredTest): await defer.succeed(42) return "OK" - def test_send_catch_log(self): - return super().test_send_catch_log() - @mark.only_asyncio() class SendCatchLogDeferredAsyncioTest(SendCatchLogDeferredTest): @@ -87,9 +84,6 @@ class SendCatchLogDeferredAsyncioTest(SendCatchLogDeferredTest): await asyncio.sleep(0.2) return await get_from_asyncio_queue("OK") - def test_send_catch_log(self): - return super().test_send_catch_log() - class SendCatchLogTest2(unittest.TestCase): def test_error_logged_if_deferred_not_supported(self): diff --git a/tests/test_utils_spider.py b/tests/test_utils_spider.py index 460ae40c3..dd1d26448 100644 --- a/tests/test_utils_spider.py +++ b/tests/test_utils_spider.py @@ -26,7 +26,7 @@ class UtilsSpidersTestCase(unittest.TestCase): self.assertEqual(list(iterate_spider_output([r, i, o])), [r, i, o]) def test_iter_spider_classes(self): - import tests.test_utils_spider + import tests.test_utils_spider # pylint: disable=import-self it = iter_spider_classes(tests.test_utils_spider) self.assertEqual(set(it), {MySpider1, MySpider2}) diff --git a/tox.ini b/tox.ini index e787c7bf3..4ed9b3bd7 100644 --- a/tox.ini +++ b/tox.ini @@ -53,7 +53,7 @@ commands = basepython = python3 deps = {[testenv:extra-deps]deps} - pylint==3.0.1 + pylint==3.1.0 commands = pylint conftest.py docs extras scrapy setup.py tests From 63acd0720970c87450fdbcb9aa6967118c9c1cf2 Mon Sep 17 00:00:00 2001 From: Laerte Pereira Date: Wed, 28 Feb 2024 16:14:08 -0300 Subject: [PATCH 102/786] Fix and re-enable unnecessary-comprehension and use-dict-literal pylint tags --- pylintrc | 2 -- scrapy/downloadermiddlewares/httpcompression.py | 2 +- scrapy/spiders/crawl.py | 2 +- scrapy/utils/python.py | 2 +- 4 files changed, 3 insertions(+), 5 deletions(-) diff --git a/pylintrc b/pylintrc index 78004e78a..c60e4e16a 100644 --- a/pylintrc +++ b/pylintrc @@ -68,7 +68,6 @@ disable=abstract-method, too-many-public-methods, too-many-return-statements, unbalanced-tuple-unpacking, - unnecessary-comprehension, unnecessary-dunder-call, unnecessary-pass, unreachable, @@ -77,7 +76,6 @@ disable=abstract-method, unused-private-member, unused-variable, unused-wildcard-import, - use-dict-literal, used-before-assignment, useless-return, wildcard-import, diff --git a/scrapy/downloadermiddlewares/httpcompression.py b/scrapy/downloadermiddlewares/httpcompression.py index f0ad24f72..aa3abe853 100644 --- a/scrapy/downloadermiddlewares/httpcompression.py +++ b/scrapy/downloadermiddlewares/httpcompression.py @@ -135,7 +135,7 @@ class HttpCompressionMiddleware: respcls = responsetypes.from_args( headers=response.headers, url=response.url, body=decoded_body ) - kwargs = dict(cls=respcls, body=decoded_body) + kwargs = {"cls": respcls, "body": decoded_body} if issubclass(respcls, TextResponse): # force recalculating the encoding until we make sure the # responsetypes guessing is reliable diff --git a/scrapy/spiders/crawl.py b/scrapy/spiders/crawl.py index ebb4f5984..2a3913da5 100644 --- a/scrapy/spiders/crawl.py +++ b/scrapy/spiders/crawl.py @@ -85,7 +85,7 @@ class CrawlSpider(Spider): url=link.url, callback=self._callback, errback=self._errback, - meta=dict(rule=rule_index, link_text=link.text), + meta={"rule": rule_index, "link_text": link.text}, ) def _requests_to_follow(self, response): diff --git a/scrapy/utils/python.py b/scrapy/utils/python.py index 7b408c49c..1e7364e49 100644 --- a/scrapy/utils/python.py +++ b/scrapy/utils/python.py @@ -162,7 +162,7 @@ def re_rsearch( pattern = re.compile(pattern) for chunk, offset in _chunk_iter(): - matches = [match for match in pattern.finditer(chunk)] + matches = list(pattern.finditer(chunk)) if matches: start, end = matches[-1].span() return offset + start, offset + end From 26a16f2c43dc96fe33d0b0fc8846402e9ae97e9a Mon Sep 17 00:00:00 2001 From: Laerte Pereira Date: Wed, 28 Feb 2024 16:36:19 -0300 Subject: [PATCH 103/786] Fix tests --- tests/test_crawl.py | 10 ++--- tests/test_downloadermiddleware_cookies.py | 2 +- tests/test_downloadermiddleware_httpauth.py | 4 +- tests/test_exporters.py | 24 +++++------ tests/test_linkextractors.py | 38 ++++++++-------- tests/test_loader_deprecated.py | 20 ++++----- tests/test_mail.py | 2 +- tests/test_pipeline_crawl.py | 2 +- tests/test_pipeline_files.py | 2 +- tests/test_pipeline_images.py | 18 ++++---- tests/test_pipeline_media.py | 48 ++++++++++----------- tests/test_scheduler.py | 26 +++++------ tests/test_spidermiddleware_offsite.py | 17 +++++--- tests/test_utils_iterators.py | 16 +++---- tests/test_utils_template.py | 2 +- 15 files changed, 117 insertions(+), 114 deletions(-) diff --git a/tests/test_crawl.py b/tests/test_crawl.py index 96d43b2b9..6cde4ed8c 100644 --- a/tests/test_crawl.py +++ b/tests/test_crawl.py @@ -76,11 +76,11 @@ class CrawlTestCase(TestCase): @defer.inlineCallbacks def _test_delay(self, total, delay, randomize=False): - crawl_kwargs = dict( - maxlatency=delay * 2, - mockserver=self.mockserver, - total=total, - ) + crawl_kwargs = { + "maxlatency": delay * 2, + "mockserver": self.mockserver, + "total": total, + } tolerance = 1 - (0.6 if randomize else 0.2) settings = {"DOWNLOAD_DELAY": delay, "RANDOMIZE_DOWNLOAD_DELAY": randomize} diff --git a/tests/test_downloadermiddleware_cookies.py b/tests/test_downloadermiddleware_cookies.py index 4a81a638e..425fabcc7 100644 --- a/tests/test_downloadermiddleware_cookies.py +++ b/tests/test_downloadermiddleware_cookies.py @@ -320,7 +320,7 @@ class CookiesMiddlewareTest(TestCase): @pytest.mark.xfail(reason="Cookie header is not currently being processed") def test_keep_cookie_from_default_request_headers_middleware(self): - DEFAULT_REQUEST_HEADERS = dict(Cookie="default=value; asdf=qwerty") + DEFAULT_REQUEST_HEADERS = {"Cookie": "default=value; asdf=qwerty"} mw_default_headers = DefaultHeadersMiddleware(DEFAULT_REQUEST_HEADERS.items()) # overwrite with values from 'cookies' request argument req1 = Request("http://example.org", cookies={"default": "something"}) diff --git a/tests/test_downloadermiddleware_httpauth.py b/tests/test_downloadermiddleware_httpauth.py index fc110e6cc..500af6536 100644 --- a/tests/test_downloadermiddleware_httpauth.py +++ b/tests/test_downloadermiddleware_httpauth.py @@ -59,7 +59,7 @@ class HttpAuthMiddlewareTest(unittest.TestCase): self.assertEqual(req.headers["Authorization"], basic_auth_header("foo", "bar")) def test_auth_already_set(self): - req = Request("http://example.com/", headers=dict(Authorization="Digest 123")) + req = Request("http://example.com/", headers={"Authorization": "Digest 123"}) assert self.mw.process_request(req, self.spider) is None self.assertEqual(req.headers["Authorization"], b"Digest 123") @@ -79,6 +79,6 @@ class HttpAuthAnyMiddlewareTest(unittest.TestCase): self.assertEqual(req.headers["Authorization"], basic_auth_header("foo", "bar")) def test_auth_already_set(self): - req = Request("http://example.com/", headers=dict(Authorization="Digest 123")) + req = Request("http://example.com/", headers={"Authorization": "Digest 123"}) assert self.mw.process_request(req, self.spider) is None self.assertEqual(req.headers["Authorization"], b"Digest 123") diff --git a/tests/test_exporters.py b/tests/test_exporters.py index 59b724495..fa9389044 100644 --- a/tests/test_exporters.py +++ b/tests/test_exporters.py @@ -152,7 +152,7 @@ class PythonItemExporterTest(BaseItemExporterTest): def test_nested_item(self): i1 = self.item_class(name="Joseph", age="22") - i2 = dict(name="Maria", age=i1) + i2 = {"name": "Maria", "age": i1} i3 = self.item_class(name="Jesus", age=i2) ie = self._get_exporter() exported = ie.export_item(i3) @@ -185,7 +185,7 @@ class PythonItemExporterTest(BaseItemExporterTest): def test_export_item_dict_list(self): i1 = self.item_class(name="Joseph", age="22") - i2 = dict(name="Maria", age=[i1]) + i2 = {"name": "Maria", "age": [i1]} i3 = self.item_class(name="Jesus", age=[i2]) ie = self._get_exporter() exported = ie.export_item(i3) @@ -373,7 +373,7 @@ class CsvItemExporterTest(BaseItemExporterTest): def test_join_multivalue_not_strings(self): self.assertExportResult( - item=dict(name="John", friends=[4, 8]), + item={"name": "John", "friends": [4, 8]}, include_headers_line=False, expected='"[4, 8]",John\r\n', ) @@ -388,14 +388,14 @@ class CsvItemExporterTest(BaseItemExporterTest): def test_errors_default(self): with self.assertRaises(UnicodeEncodeError): self.assertExportResult( - item=dict(text="W\u0275\u200Brd"), + item={"text": "W\u0275\u200Brd"}, expected=None, encoding="windows-1251", ) def test_errors_xmlcharrefreplace(self): self.assertExportResult( - item=dict(text="W\u0275\u200Brd"), + item={"text": "W\u0275\u200Brd"}, include_headers_line=False, expected="Wɵ​rd\r\n", encoding="windows-1251", @@ -455,8 +455,8 @@ class XmlItemExporterTest(BaseItemExporterTest): ) def test_nested_item(self): - i1 = dict(name="foo\xa3hoo", age="22") - i2 = dict(name="bar", age=i1) + i1 = {"name": "foo\xa3hoo", "age": "22"} + i2 = {"name": "bar", "age": i1} i3 = self.item_class(name="buz", age=i2) self.assertExportResult( @@ -478,8 +478,8 @@ class XmlItemExporterTest(BaseItemExporterTest): ) def test_nested_list_item(self): - i1 = dict(name="foo") - i2 = dict(name="bar", v2={"egg": ["spam"]}) + i1 = {"name": "foo"} + i2 = {"name": "bar", "v2": {"egg": ["spam"]}} i3 = self.item_class(name="buz", age=[i1, i2]) self.assertExportResult( @@ -534,7 +534,7 @@ class JsonLinesItemExporterTest(BaseItemExporterTest): def test_nested_item(self): i1 = self.item_class(name="Joseph", age="22") - i2 = dict(name="Maria", age=i1) + i2 = {"name": "Maria", "age": i1} i3 = self.item_class(name="Jesus", age=i2) self.ie.start_exporting() self.ie.export_item(i3) @@ -622,9 +622,9 @@ class JsonItemExporterTest(JsonLinesItemExporterTest): self.assertEqual(exported, [expected]) def test_nested_dict_item(self): - i1 = dict(name="Joseph\xa3", age="22") + i1 = {"name": "Joseph\xa3", "age": "22"} i2 = self.item_class(name="Maria", age=i1) - i3 = dict(name="Jesus", age=i2) + i3 = {"name": "Jesus", "age": i2} self.ie.start_exporting() self.ie.export_item(i3) self.ie.finish_exporting() diff --git a/tests/test_linkextractors.py b/tests/test_linkextractors.py index 6b4df90d8..217c7a299 100644 --- a/tests/test_linkextractors.py +++ b/tests/test_linkextractors.py @@ -37,7 +37,7 @@ class Base: page4_url = "http://example.com/page%204.html" self.assertEqual( - [link for link in lx.extract_links(self.response)], + list(lx.extract_links(self.response)), [ Link(url="http://example.com/sample1.html", text=""), Link(url="http://example.com/sample2.html", text="sample 2"), @@ -55,7 +55,7 @@ class Base: def test_extract_filter_allow(self): lx = self.extractor_cls(allow=("sample",)) self.assertEqual( - [link for link in lx.extract_links(self.response)], + list(lx.extract_links(self.response)), [ Link(url="http://example.com/sample1.html", text=""), Link(url="http://example.com/sample2.html", text="sample 2"), @@ -70,7 +70,7 @@ class Base: def test_extract_filter_allow_with_duplicates(self): lx = self.extractor_cls(allow=("sample",), unique=False) self.assertEqual( - [link for link in lx.extract_links(self.response)], + list(lx.extract_links(self.response)), [ Link(url="http://example.com/sample1.html", text=""), Link(url="http://example.com/sample2.html", text="sample 2"), @@ -93,7 +93,7 @@ class Base: def test_extract_filter_allow_with_duplicates_canonicalize(self): lx = self.extractor_cls(allow=("sample",), unique=False, canonicalize=True) self.assertEqual( - [link for link in lx.extract_links(self.response)], + list(lx.extract_links(self.response)), [ Link(url="http://example.com/sample1.html", text=""), Link(url="http://example.com/sample2.html", text="sample 2"), @@ -116,7 +116,7 @@ class Base: def test_extract_filter_allow_no_duplicates_canonicalize(self): lx = self.extractor_cls(allow=("sample",), unique=True, canonicalize=True) self.assertEqual( - [link for link in lx.extract_links(self.response)], + list(lx.extract_links(self.response)), [ Link(url="http://example.com/sample1.html", text=""), Link(url="http://example.com/sample2.html", text="sample 2"), @@ -127,7 +127,7 @@ class Base: def test_extract_filter_allow_and_deny(self): lx = self.extractor_cls(allow=("sample",), deny=("3",)) self.assertEqual( - [link for link in lx.extract_links(self.response)], + list(lx.extract_links(self.response)), [ Link(url="http://example.com/sample1.html", text=""), Link(url="http://example.com/sample2.html", text="sample 2"), @@ -137,7 +137,7 @@ class Base: def test_extract_filter_allowed_domains(self): lx = self.extractor_cls(allow_domains=("google.com",)) self.assertEqual( - [link for link in lx.extract_links(self.response)], + list(lx.extract_links(self.response)), [ Link(url="http://www.google.com/something", text=""), ], @@ -148,7 +148,7 @@ class Base: lx = self.extractor_cls(allow="sample") self.assertEqual( - [link for link in lx.extract_links(self.response)], + list(lx.extract_links(self.response)), [ Link(url="http://example.com/sample1.html", text=""), Link(url="http://example.com/sample2.html", text="sample 2"), @@ -162,7 +162,7 @@ class Base: lx = self.extractor_cls(allow="sample", deny="3") self.assertEqual( - [link for link in lx.extract_links(self.response)], + list(lx.extract_links(self.response)), [ Link(url="http://example.com/sample1.html", text=""), Link(url="http://example.com/sample2.html", text="sample 2"), @@ -171,7 +171,7 @@ class Base: lx = self.extractor_cls(allow_domains="google.com") self.assertEqual( - [link for link in lx.extract_links(self.response)], + list(lx.extract_links(self.response)), [ Link(url="http://www.google.com/something", text=""), ], @@ -179,7 +179,7 @@ class Base: lx = self.extractor_cls(deny_domains="example.com") self.assertEqual( - [link for link in lx.extract_links(self.response)], + list(lx.extract_links(self.response)), [ Link(url="http://www.google.com/something", text=""), ], @@ -265,7 +265,7 @@ class Base: def test_restrict_xpaths(self): lx = self.extractor_cls(restrict_xpaths=('//div[@id="subwrapper"]',)) self.assertEqual( - [link for link in lx.extract_links(self.response)], + list(lx.extract_links(self.response)), [ Link(url="http://example.com/sample1.html", text=""), Link(url="http://example.com/sample2.html", text="sample 2"), @@ -337,7 +337,7 @@ class Base: restrict_css=("#subwrapper + a",), ) self.assertEqual( - [link for link in lx.extract_links(self.response)], + list(lx.extract_links(self.response)), [ Link(url="http://example.com/sample1.html", text=""), Link(url="http://example.com/sample2.html", text="sample 2"), @@ -705,7 +705,7 @@ class Base: response = HtmlResponse("http://example.org/index.html", body=html) lx = self.extractor_cls() self.assertEqual( - [link for link in lx.extract_links(response)], + list(lx.extract_links(response)), [ Link( url="http://example.org/item1.html", @@ -758,7 +758,7 @@ class LxmlLinkExtractorTestCase(Base.LinkExtractorTestCase): response = HtmlResponse("http://example.org/index.html", body=html) lx = self.extractor_cls() self.assertEqual( - [link for link in lx.extract_links(response)], + list(lx.extract_links(response)), [ Link( url="http://example.org/item1.html", text="Item 1", nofollow=False @@ -779,7 +779,7 @@ class LxmlLinkExtractorTestCase(Base.LinkExtractorTestCase): # Simple text inclusion test lx = self.extractor_cls(restrict_text="dog") self.assertEqual( - [link for link in lx.extract_links(response)], + list(lx.extract_links(response)), [ Link( url="http://example.org/item2.html", @@ -791,7 +791,7 @@ class LxmlLinkExtractorTestCase(Base.LinkExtractorTestCase): # Unique regex test lx = self.extractor_cls(restrict_text=r"of.*dog") self.assertEqual( - [link for link in lx.extract_links(response)], + list(lx.extract_links(response)), [ Link( url="http://example.org/item2.html", @@ -803,7 +803,7 @@ class LxmlLinkExtractorTestCase(Base.LinkExtractorTestCase): # Multiple regex test lx = self.extractor_cls(restrict_text=[r"of.*dog", r"of.*cat"]) self.assertEqual( - [link for link in lx.extract_links(response)], + list(lx.extract_links(response)), [ Link( url="http://example.org/item1.html", @@ -834,7 +834,7 @@ class LxmlLinkExtractorTestCase(Base.LinkExtractorTestCase): response = HtmlResponse("http://example.org/index.html", body=html) lx = self.extractor_cls() self.assertEqual( - [link for link in lx.extract_links(response)], + list(lx.extract_links(response)), [ Link( url="http://example.org/item2.html", diff --git a/tests/test_loader_deprecated.py b/tests/test_loader_deprecated.py index 99cdf88d9..528efa142 100644 --- a/tests/test_loader_deprecated.py +++ b/tests/test_loader_deprecated.py @@ -565,37 +565,37 @@ class NoInputReprocessingFromDictTest(unittest.TestCase): """ def test_avoid_reprocessing_with_initial_values_single(self): - il = NoInputReprocessingDictLoader(item=dict(title="foo")) + il = NoInputReprocessingDictLoader(item={"title": "foo"}) il_loaded = il.load_item() - self.assertEqual(il_loaded, dict(title="foo")) + self.assertEqual(il_loaded, {"title": "foo"}) self.assertEqual( - NoInputReprocessingDictLoader(item=il_loaded).load_item(), dict(title="foo") + NoInputReprocessingDictLoader(item=il_loaded).load_item(), {"title": "foo"} ) def test_avoid_reprocessing_with_initial_values_list(self): - il = NoInputReprocessingDictLoader(item=dict(title=["foo", "bar"])) + il = NoInputReprocessingDictLoader(item={"title": ["foo", "bar"]}) il_loaded = il.load_item() - self.assertEqual(il_loaded, dict(title="foo")) + self.assertEqual(il_loaded, {"title": "foo"}) self.assertEqual( - NoInputReprocessingDictLoader(item=il_loaded).load_item(), dict(title="foo") + NoInputReprocessingDictLoader(item=il_loaded).load_item(), {"title": "foo"} ) def test_avoid_reprocessing_without_initial_values_single(self): il = NoInputReprocessingDictLoader() il.add_value("title", "foo") il_loaded = il.load_item() - self.assertEqual(il_loaded, dict(title="FOO")) + self.assertEqual(il_loaded, {"title": "FOO"}) self.assertEqual( - NoInputReprocessingDictLoader(item=il_loaded).load_item(), dict(title="FOO") + NoInputReprocessingDictLoader(item=il_loaded).load_item(), {"title": "FOO"} ) def test_avoid_reprocessing_without_initial_values_list(self): il = NoInputReprocessingDictLoader() il.add_value("title", ["foo", "bar"]) il_loaded = il.load_item() - self.assertEqual(il_loaded, dict(title="FOO")) + self.assertEqual(il_loaded, {"title": "FOO"}) self.assertEqual( - NoInputReprocessingDictLoader(item=il_loaded).load_item(), dict(title="FOO") + NoInputReprocessingDictLoader(item=il_loaded).load_item(), {"title": "FOO"} ) diff --git a/tests/test_mail.py b/tests/test_mail.py index 2535e58db..ff1505397 100644 --- a/tests/test_mail.py +++ b/tests/test_mail.py @@ -91,7 +91,7 @@ class MailSenderTest(unittest.TestCase): self.assertEqual(attach.get_payload(decode=True), b"content") def _catch_mail_sent(self, **kwargs): - self.catched_msg = dict(**kwargs) + self.catched_msg = {**kwargs} def test_send_utf8(self): subject = "sübjèçt" diff --git a/tests/test_pipeline_crawl.py b/tests/test_pipeline_crawl.py index be9811980..5a9a217ce 100644 --- a/tests/test_pipeline_crawl.py +++ b/tests/test_pipeline_crawl.py @@ -140,7 +140,7 @@ class FileDownloadCrawlTestCase(TestCase): self.assertEqual(logs.count(file_dl_failure), 3) # check that no files were written to the media store - self.assertEqual([x for x in self.tmpmediastore.iterdir()], []) + self.assertEqual(list(self.tmpmediastore.iterdir()), []) @defer.inlineCallbacks def test_download_media(self): diff --git a/tests/test_pipeline_files.py b/tests/test_pipeline_files.py index e7000e314..0babde4d9 100644 --- a/tests/test_pipeline_files.py +++ b/tests/test_pipeline_files.py @@ -221,7 +221,7 @@ class FilesPipelineTestCase(unittest.TestCase): file_path = CustomFilesPipeline.from_settings( Settings({"FILES_STORE": self.tempdir}) ).file_path - item = dict(path="path-to-store-file") + item = {"path": "path-to-store-file"} request = Request("http://example.com") self.assertEqual(file_path(request, item=item), "full/path-to-store-file") diff --git a/tests/test_pipeline_images.py b/tests/test_pipeline_images.py index 2e2e06b89..18a2454b3 100644 --- a/tests/test_pipeline_images.py +++ b/tests/test_pipeline_images.py @@ -132,7 +132,7 @@ class ImagesPipelineTestCase(unittest.TestCase): thumb_path = CustomImagesPipeline.from_settings( Settings({"IMAGES_STORE": self.tempdir}) ).thumb_path - item = dict(path="path-to-store-file") + item = {"path": "path-to-store-file"} request = Request("http://example.com") self.assertEqual( thumb_path(request, "small", item=item), "thumb/small/path-to-store-file" @@ -433,14 +433,14 @@ class ImagesPipelineTestCaseCustomSettings(unittest.TestCase): ] # This should match what is defined in ImagesPipeline. - default_pipeline_settings = dict( - MIN_WIDTH=0, - MIN_HEIGHT=0, - EXPIRES=90, - THUMBS={}, - IMAGES_URLS_FIELD="image_urls", - IMAGES_RESULT_FIELD="images", - ) + default_pipeline_settings = { + "MIN_WIDTH": 0, + "MIN_HEIGHT": 0, + "EXPIRES": 90, + "THUMBS": {}, + "IMAGES_URLS_FIELD": "image_urls", + "IMAGES_RESULT_FIELD": "images", + } def setUp(self): self.tempdir = mkdtemp() diff --git a/tests/test_pipeline_media.py b/tests/test_pipeline_media.py index d477b59be..d4dde4a40 100644 --- a/tests/test_pipeline_media.py +++ b/tests/test_pipeline_media.py @@ -59,7 +59,7 @@ class BaseMediaPipelineTestCase(unittest.TestCase): assert self.pipe.media_to_download(request, self.info) is None def test_default_get_media_requests(self): - item = dict(name="name") + item = {"name": "name"} assert self.pipe.get_media_requests(item, self.info) is None def test_default_media_downloaded(self): @@ -73,7 +73,7 @@ class BaseMediaPipelineTestCase(unittest.TestCase): assert self.pipe.media_failed(fail, request, self.info) is fail def test_default_item_completed(self): - item = dict(name="name") + item = {"name": "name"} assert self.pipe.item_completed([], item, self.info) is item # Check that failures are logged by default @@ -98,7 +98,7 @@ class BaseMediaPipelineTestCase(unittest.TestCase): @inlineCallbacks def test_default_process_item(self): - item = dict(name="name") + item = {"name": "name"} new_item = yield self.pipe.process_item(item, self.spider) assert new_item is item @@ -226,11 +226,11 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): rsp = Response("http://url1") req = Request( "http://url1", - meta=dict(response=rsp), + meta={"response": rsp}, callback=self._callback, errback=self._errback, ) - item = dict(requests=req) + item = {"requests": req} new_item = yield self.pipe.process_item(item, self.spider) self.assertEqual(new_item["results"], [(True, rsp)]) self.assertEqual( @@ -250,11 +250,11 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): fail = Failure(Exception()) req = Request( "http://url1", - meta=dict(response=fail), + meta={"response": fail}, callback=self._callback, errback=self._errback, ) - item = dict(requests=req) + item = {"requests": req} new_item = yield self.pipe.process_item(item, self.spider) self.assertEqual(new_item["results"], [(False, fail)]) self.assertEqual( @@ -272,10 +272,10 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): def test_mix_of_success_and_failure(self): self.pipe.LOG_FAILED_RESULTS = False rsp1 = Response("http://url1") - req1 = Request("http://url1", meta=dict(response=rsp1)) + req1 = Request("http://url1", meta={"response": rsp1}) fail = Failure(Exception()) - req2 = Request("http://url2", meta=dict(response=fail)) - item = dict(requests=[req1, req2]) + req2 = Request("http://url2", meta={"response": fail}) + item = {"requests": [req1, req2]} new_item = yield self.pipe.process_item(item, self.spider) self.assertEqual(new_item["results"], [(True, rsp1), (False, fail)]) m = self.pipe._mockcalled @@ -294,7 +294,7 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): def test_get_media_requests(self): # returns single Request (without callback) req = Request("http://url") - item = dict(requests=req) # pass a single item + item = {"requests": req} # pass a single item new_item = yield self.pipe.process_item(item, self.spider) assert new_item is item self.assertIn(self.fingerprint(req), self.info.downloaded) @@ -302,7 +302,7 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): # returns iterable of Requests req1 = Request("http://url1") req2 = Request("http://url2") - item = dict(requests=iter([req1, req2])) + item = {"requests": iter([req1, req2])} new_item = yield self.pipe.process_item(item, self.spider) assert new_item is item assert self.fingerprint(req1) in self.info.downloaded @@ -311,17 +311,17 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): @inlineCallbacks def test_results_are_cached_across_multiple_items(self): rsp1 = Response("http://url1") - req1 = Request("http://url1", meta=dict(response=rsp1)) - item = dict(requests=req1) + req1 = Request("http://url1", meta={"response": rsp1}) + item = {"requests": req1} new_item = yield self.pipe.process_item(item, self.spider) self.assertTrue(new_item is item) self.assertEqual(new_item["results"], [(True, rsp1)]) # rsp2 is ignored, rsp1 must be in results because request fingerprints are the same req2 = Request( - req1.url, meta=dict(response=Response("http://donot.download.me")) + req1.url, meta={"response": Response("http://donot.download.me")} ) - item = dict(requests=req2) + item = {"requests": req2} new_item = yield self.pipe.process_item(item, self.spider) self.assertTrue(new_item is item) self.assertEqual(self.fingerprint(req1), self.fingerprint(req2)) @@ -330,11 +330,11 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): @inlineCallbacks def test_results_are_cached_for_requests_of_single_item(self): rsp1 = Response("http://url1") - req1 = Request("http://url1", meta=dict(response=rsp1)) + req1 = Request("http://url1", meta={"response": rsp1}) req2 = Request( - req1.url, meta=dict(response=Response("http://donot.download.me")) + req1.url, meta={"response": Response("http://donot.download.me")} ) - item = dict(requests=[req1, req2]) + item = {"requests": [req1, req2]} new_item = yield self.pipe.process_item(item, self.spider) self.assertTrue(new_item is item) self.assertEqual(new_item["results"], [(True, rsp1), (True, rsp1)]) @@ -359,16 +359,16 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): def rsp2_func(): self.fail("it must cache rsp1 result and must not try to redownload") - req1 = Request("http://url", meta=dict(response=rsp1_func)) - req2 = Request(req1.url, meta=dict(response=rsp2_func)) - item = dict(requests=[req1, req2]) + req1 = Request("http://url", meta={"response": rsp1_func}) + req2 = Request(req1.url, meta={"response": rsp2_func}) + item = {"requests": [req1, req2]} new_item = yield self.pipe.process_item(item, self.spider) self.assertEqual(new_item["results"], [(True, rsp1), (True, rsp1)]) @inlineCallbacks def test_use_media_to_download_result(self): - req = Request("http://url", meta=dict(result="ITSME", response=self.fail)) - item = dict(requests=req) + req = Request("http://url", meta={"result": "ITSME", "response": self.fail}) + item = {"requests": req} new_item = yield self.pipe.process_item(item, self.spider) self.assertEqual(new_item["results"], [(True, "ITSME")]) self.assertEqual( diff --git a/tests/test_scheduler.py b/tests/test_scheduler.py index f8465a5ff..37099dae6 100644 --- a/tests/test_scheduler.py +++ b/tests/test_scheduler.py @@ -45,15 +45,15 @@ class MockDownloader: class MockCrawler(Crawler): def __init__(self, priority_queue_cls, jobdir): - settings = dict( - SCHEDULER_DEBUG=False, - SCHEDULER_DISK_QUEUE="scrapy.squeues.PickleLifoDiskQueue", - SCHEDULER_MEMORY_QUEUE="scrapy.squeues.LifoMemoryQueue", - SCHEDULER_PRIORITY_QUEUE=priority_queue_cls, - JOBDIR=jobdir, - DUPEFILTER_CLASS="scrapy.dupefilters.BaseDupeFilter", - REQUEST_FINGERPRINTER_IMPLEMENTATION="2.7", - ) + settings = { + "SCHEDULER_DEBUG": False, + "SCHEDULER_DISK_QUEUE": "scrapy.squeues.PickleLifoDiskQueue", + "SCHEDULER_MEMORY_QUEUE": "scrapy.squeues.LifoMemoryQueue", + "SCHEDULER_PRIORITY_QUEUE": priority_queue_cls, + "JOBDIR": jobdir, + "DUPEFILTER_CLASS": "scrapy.dupefilters.BaseDupeFilter", + "REQUEST_FINGERPRINTER_IMPLEMENTATION": "2.7", + } super().__init__(Spider, settings) self.engine = MockEngine(downloader=MockDownloader()) self.stats = load_object(self.settings["STATS_CLASS"])(self) @@ -338,10 +338,10 @@ class TestIntegrationWithDownloaderAwareInMemory(TestCase): class TestIncompatibility(unittest.TestCase): def _incompatible(self): - settings = dict( - SCHEDULER_PRIORITY_QUEUE="scrapy.pqueues.DownloaderAwarePriorityQueue", - CONCURRENT_REQUESTS_PER_IP=1, - ) + settings = { + "SCHEDULER_PRIORITY_QUEUE": "scrapy.pqueues.DownloaderAwarePriorityQueue", + "CONCURRENT_REQUESTS_PER_IP": 1, + } crawler = get_crawler(Spider, settings) scheduler = Scheduler.from_crawler(crawler) spider = Spider(name="spider") diff --git a/tests/test_spidermiddleware_offsite.py b/tests/test_spidermiddleware_offsite.py index ea45b7698..837f1c2c8 100644 --- a/tests/test_spidermiddleware_offsite.py +++ b/tests/test_spidermiddleware_offsite.py @@ -16,10 +16,10 @@ class TestOffsiteMiddleware(TestCase): self.mw.spider_opened(self.spider) def _get_spiderargs(self): - return dict( - name="foo", - allowed_domains=["scrapytest.org", "scrapy.org", "scrapy.test.org"], - ) + return { + "name": "foo", + "allowed_domains": ["scrapytest.org", "scrapy.org", "scrapy.test.org"], + } def test_process_spider_output(self): res = Response("http://scrapytest.org") @@ -50,7 +50,7 @@ class TestOffsiteMiddleware(TestCase): class TestOffsiteMiddleware2(TestOffsiteMiddleware): def _get_spiderargs(self): - return dict(name="foo", allowed_domains=None) + return {"name": "foo", "allowed_domains": None} def test_process_spider_output(self): res = Response("http://scrapytest.org") @@ -61,13 +61,16 @@ class TestOffsiteMiddleware2(TestOffsiteMiddleware): class TestOffsiteMiddleware3(TestOffsiteMiddleware2): def _get_spiderargs(self): - return dict(name="foo") + return {"name": "foo"} class TestOffsiteMiddleware4(TestOffsiteMiddleware3): def _get_spiderargs(self): bad_hostname = urlparse("http:////scrapytest.org").hostname - return dict(name="foo", allowed_domains=["scrapytest.org", None, bad_hostname]) + return { + "name": "foo", + "allowed_domains": ["scrapytest.org", None, bad_hostname], + } def test_process_spider_output(self): res = Response("http://scrapytest.org") diff --git a/tests/test_utils_iterators.py b/tests/test_utils_iterators.py index ee22e6675..ec377bb19 100644 --- a/tests/test_utils_iterators.py +++ b/tests/test_utils_iterators.py @@ -355,7 +355,7 @@ class UtilsCsvTestCase(unittest.TestCase): response = TextResponse(url="http://example.com/", body=body) csv = csviter(response) - result = [row for row in csv] + result = list(csv) self.assertEqual( result, [ @@ -377,7 +377,7 @@ class UtilsCsvTestCase(unittest.TestCase): csv = csviter(response, delimiter="\t") self.assertEqual( - [row for row in csv], + list(csv), [ {"id": "1", "name": "alpha", "value": "foobar"}, {"id": "2", "name": "unicode", "value": "\xfan\xedc\xf3d\xe9\u203d"}, @@ -394,7 +394,7 @@ class UtilsCsvTestCase(unittest.TestCase): csv1 = csviter(response1, quotechar="'") self.assertEqual( - [row for row in csv1], + list(csv1), [ {"id": "1", "name": "alpha", "value": "foobar"}, {"id": "2", "name": "unicode", "value": "\xfan\xedc\xf3d\xe9\u203d"}, @@ -407,7 +407,7 @@ class UtilsCsvTestCase(unittest.TestCase): csv2 = csviter(response2, delimiter="|", quotechar="'") self.assertEqual( - [row for row in csv2], + list(csv2), [ {"id": "1", "name": "alpha", "value": "foobar"}, {"id": "2", "name": "unicode", "value": "\xfan\xedc\xf3d\xe9\u203d"}, @@ -422,7 +422,7 @@ class UtilsCsvTestCase(unittest.TestCase): csv = csviter(response) self.assertEqual( - [row for row in csv], + list(csv), [ {"'id'": "1", "'name'": "'alpha'", "'value'": "'foobar'"}, { @@ -441,7 +441,7 @@ class UtilsCsvTestCase(unittest.TestCase): csv = csviter(response, delimiter="\t") self.assertEqual( - [row for row in csv], + list(csv), [ {"id": "1", "name": "alpha", "value": "foobar"}, {"id": "2", "name": "unicode", "value": "\xfan\xedc\xf3d\xe9\u203d"}, @@ -458,7 +458,7 @@ class UtilsCsvTestCase(unittest.TestCase): csv = csviter(response, headers=[h.decode("utf-8") for h in headers]) self.assertEqual( - [row for row in csv], + list(csv), [ {"id": "1", "name": "alpha", "value": "foobar"}, {"id": "2", "name": "unicode", "value": "\xfan\xedc\xf3d\xe9\u203d"}, @@ -475,7 +475,7 @@ class UtilsCsvTestCase(unittest.TestCase): csv = csviter(response) self.assertEqual( - [row for row in csv], + list(csv), [ {"id": "1", "name": "alpha", "value": "foobar"}, {"id": "2", "name": "unicode", "value": "\xfan\xedc\xf3d\xe9\u203d"}, diff --git a/tests/test_utils_template.py b/tests/test_utils_template.py index cbe80e157..fc42c0d2f 100644 --- a/tests/test_utils_template.py +++ b/tests/test_utils_template.py @@ -16,7 +16,7 @@ class UtilsRenderTemplateFileTestCase(unittest.TestCase): rmtree(self.tmp_path) def test_simple_render(self): - context = dict(project_name="proj", name="spi", classname="TheSpider") + context = {"project_name": "proj", "name": "spi", "classname": "TheSpider"} template = "from ${project_name}.spiders.${name} import ${classname}" rendered = "from proj.spiders.spi import TheSpider" From 706eb8d4275be993867122e5e41c31321488309e Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Thu, 29 Feb 2024 14:33:55 +0500 Subject: [PATCH 104/786] Fix a merge error. --- scrapy/downloadermiddlewares/httpcompression.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scrapy/downloadermiddlewares/httpcompression.py b/scrapy/downloadermiddlewares/httpcompression.py index aebdfb3e4..2352be0fe 100644 --- a/scrapy/downloadermiddlewares/httpcompression.py +++ b/scrapy/downloadermiddlewares/httpcompression.py @@ -135,7 +135,7 @@ class HttpCompressionMiddleware: respcls = responsetypes.from_args( headers=response.headers, url=response.url, body=decoded_body ) - kwargs: Dict[str, Any] = {"cls": respcls, "body": decoded_body} + kwargs: Dict[str, Any] = {"body": decoded_body} if issubclass(respcls, TextResponse): # force recalculating the encoding until we make sure the # responsetypes guessing is reliable From 2169810414a700fcbfe33eafe1e85e46e7f62413 Mon Sep 17 00:00:00 2001 From: Laerte Pereira Date: Thu, 29 Feb 2024 06:41:14 -0300 Subject: [PATCH 105/786] fix: Proxy tests don't use custom certificate authority --- tests/test_proxy_connect.py | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tests/test_proxy_connect.py b/tests/test_proxy_connect.py index 46d42e9f6..93f006c76 100644 --- a/tests/test_proxy_connect.py +++ b/tests/test_proxy_connect.py @@ -27,7 +27,7 @@ from mitmproxy.tools.main import mitmdump sys.argv[0] = "mitmdump" sys.exit(mitmdump()) """ - cert_path = Path(__file__).parent.resolve() / "keys" / "mitmproxy-ca.pem" + cert_path = Path(__file__).parent.resolve() / "keys" self.proc = Popen( [ sys.executable, @@ -40,8 +40,8 @@ sys.exit(mitmdump()) "0", "--proxyauth", f"{self.auth_user}:{self.auth_pass}", - "--certs", - str(cert_path), + "--set", + f"confdir={cert_path}", "--ssl-insecure", ], stdout=PIPE, From 2bfd9a2257c79ae56955e95b46f2bc7b23e1eabd Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Thu, 29 Feb 2024 11:11:42 +0100 Subject: [PATCH 106/786] bandit: allow-list false positives --- .bandit.yml | 11 +---------- scrapy/commands/bench.py | 6 ++++-- scrapy/commands/edit.py | 2 +- scrapy/commands/genspider.py | 2 +- scrapy/core/downloader/__init__.py | 2 +- scrapy/exporters.py | 4 ++-- scrapy/extensions/httpcache.py | 6 +++--- scrapy/extensions/spiderstate.py | 4 ++-- scrapy/settings/default_settings.py | 2 +- scrapy/shell.py | 2 +- scrapy/squeues.py | 2 +- scrapy/utils/benchserver.py | 2 +- scrapy/utils/engine.py | 2 +- 13 files changed, 20 insertions(+), 27 deletions(-) diff --git a/.bandit.yml b/.bandit.yml index 6e8331c0f..4fcd75c57 100644 --- a/.bandit.yml +++ b/.bandit.yml @@ -1,19 +1,10 @@ skips: -- B101 # assert_used -- B105 # hardcoded_password_string -- B301 # pickle -- B307 # eval -- B311 # random +- B101 # assert_used, needed for mypy - B320 # xml_bad_etree - B321 # ftplib, https://github.com/scrapy/scrapy/issues/4180 - B324 # hashlib "Use of weak SHA1 hash for security" - B402 # import_ftplib, https://github.com/scrapy/scrapy/issues/4180 -- B403 # import_pickle -- B404 # import_subprocess -- B406 # import_xml_sax - B410 # import_lxml - B411 # import_xmlrpclib, https://github.com/PyCQA/bandit/issues/1082 - B503 # ssl_with_bad_defaults -- B603 # subprocess_without_shell_equals_true -- B605 # start_process_with_a_shell exclude_dirs: ['tests'] diff --git a/scrapy/commands/bench.py b/scrapy/commands/bench.py index e1ccdc451..aaf5a439f 100644 --- a/scrapy/commands/bench.py +++ b/scrapy/commands/bench.py @@ -1,4 +1,4 @@ -import subprocess +import subprocess # nosec import sys import time from urllib.parse import urlencode @@ -29,7 +29,9 @@ class _BenchServer: from scrapy.utils.test import get_testenv pargs = [sys.executable, "-u", "-m", "scrapy.utils.benchserver"] - self.proc = subprocess.Popen(pargs, stdout=subprocess.PIPE, env=get_testenv()) + self.proc = subprocess.Popen( + pargs, stdout=subprocess.PIPE, env=get_testenv() + ) # nosec self.proc.stdout.readline() def __exit__(self, exc_type, exc_value, traceback): diff --git a/scrapy/commands/edit.py b/scrapy/commands/edit.py index 03a8ed5c7..e85d2c9ec 100644 --- a/scrapy/commands/edit.py +++ b/scrapy/commands/edit.py @@ -37,4 +37,4 @@ class Command(ScrapyCommand): sfile = sys.modules[spidercls.__module__].__file__ sfile = sfile.replace(".pyc", ".py") - self.exitcode = os.system(f'{editor} "{sfile}"') + self.exitcode = os.system(f'{editor} "{sfile}"') # nosec diff --git a/scrapy/commands/genspider.py b/scrapy/commands/genspider.py index 68cbe8ff6..567ebcdc0 100644 --- a/scrapy/commands/genspider.py +++ b/scrapy/commands/genspider.py @@ -113,7 +113,7 @@ class Command(ScrapyCommand): if template_file: self._genspider(module, name, url, opts.template, template_file) if opts.edit: - self.exitcode = os.system(f'scrapy edit "{name}"') + self.exitcode = os.system(f'scrapy edit "{name}"') # nosec def _genspider(self, module, name, url, template_name, template_file): """Generate the spider module, based on the given template""" diff --git a/scrapy/core/downloader/__init__.py b/scrapy/core/downloader/__init__.py index c84525160..666282856 100644 --- a/scrapy/core/downloader/__init__.py +++ b/scrapy/core/downloader/__init__.py @@ -40,7 +40,7 @@ class Slot: def download_delay(self) -> float: if self.randomize_delay: - return random.uniform(0.5 * self.delay, 1.5 * self.delay) + return random.uniform(0.5 * self.delay, 1.5 * self.delay) # nosec return self.delay def close(self) -> None: diff --git a/scrapy/exporters.py b/scrapy/exporters.py index f85f1dad8..79fd4e56f 100644 --- a/scrapy/exporters.py +++ b/scrapy/exporters.py @@ -5,10 +5,10 @@ Item Exporters are used to export/serialize items into different formats. import csv import io import marshal -import pickle +import pickle # nosec import pprint from collections.abc import Mapping -from xml.sax.saxutils import XMLGenerator +from xml.sax.saxutils import XMLGenerator # nosec from itemadapter import ItemAdapter, is_item diff --git a/scrapy/extensions/httpcache.py b/scrapy/extensions/httpcache.py index 7e4f047a8..335728502 100644 --- a/scrapy/extensions/httpcache.py +++ b/scrapy/extensions/httpcache.py @@ -1,6 +1,6 @@ import gzip import logging -import pickle +import pickle # nosec from email.utils import mktime_tz, parsedate_tz from importlib import import_module from pathlib import Path @@ -274,7 +274,7 @@ class DbmCacheStorage: if 0 < self.expiration_secs < time() - float(ts): return # expired - return pickle.loads(db[f"{key}_data"]) + return pickle.loads(db[f"{key}_data"]) # nosec class FilesystemCacheStorage: @@ -352,7 +352,7 @@ class FilesystemCacheStorage: if 0 < self.expiration_secs < time() - mtime: return # expired with self._open(metapath, "rb") as f: - return pickle.load(f) + return pickle.load(f) # nosec def parse_cachecontrol(header): diff --git a/scrapy/extensions/spiderstate.py b/scrapy/extensions/spiderstate.py index 929a3be70..43359401b 100644 --- a/scrapy/extensions/spiderstate.py +++ b/scrapy/extensions/spiderstate.py @@ -1,4 +1,4 @@ -import pickle +import pickle # nosec from pathlib import Path from scrapy import signals @@ -31,7 +31,7 @@ class SpiderState: def spider_opened(self, spider): if self.jobdir and Path(self.statefn).exists(): with Path(self.statefn).open("rb") as f: - spider.state = pickle.load(f) + spider.state = pickle.load(f) # nosec else: spider.state = {} diff --git a/scrapy/settings/default_settings.py b/scrapy/settings/default_settings.py index 49ab1b5ef..2b3d95a0e 100644 --- a/scrapy/settings/default_settings.py +++ b/scrapy/settings/default_settings.py @@ -177,7 +177,7 @@ FILES_STORE_S3_ACL = "private" FILES_STORE_GCS_ACL = "" FTP_USER = "anonymous" -FTP_PASSWORD = "guest" +FTP_PASSWORD = "guest" # nosec FTP_PASSIVE_MODE = True GCS_PROJECT_ID = None diff --git a/scrapy/shell.py b/scrapy/shell.py index 05909977a..63ea33892 100644 --- a/scrapy/shell.py +++ b/scrapy/shell.py @@ -50,7 +50,7 @@ class Shell: else: self.populate_vars() if self.code: - print(eval(self.code, globals(), self.vars)) + print(eval(self.code, globals(), self.vars)) # nosec else: """ Detect interactive shell setting in scrapy.cfg diff --git a/scrapy/squeues.py b/scrapy/squeues.py index f665ad88c..e20f60f06 100644 --- a/scrapy/squeues.py +++ b/scrapy/squeues.py @@ -3,7 +3,7 @@ Scheduler queues """ import marshal -import pickle +import pickle # nosec from os import PathLike from pathlib import Path from typing import Union diff --git a/scrapy/utils/benchserver.py b/scrapy/utils/benchserver.py index 38884a9f0..f6f704d4b 100644 --- a/scrapy/utils/benchserver.py +++ b/scrapy/utils/benchserver.py @@ -14,7 +14,7 @@ class Root(Resource): def render(self, request): total = _getarg(request, b"total", 100, int) show = _getarg(request, b"show", 10, int) - nlist = [random.randint(1, total) for _ in range(show)] + nlist = [random.randint(1, total) for _ in range(show)] # nosec request.write(b"") args = request.args.copy() for nl in nlist: diff --git a/scrapy/utils/engine.py b/scrapy/utils/engine.py index a5f2a8c6e..0b2722663 100644 --- a/scrapy/utils/engine.py +++ b/scrapy/utils/engine.py @@ -30,7 +30,7 @@ def get_engine_status(engine: "ExecutionEngine") -> List[Tuple[str, Any]]: checks: List[Tuple[str, Any]] = [] for test in tests: try: - checks += [(test, eval(test))] + checks += [(test, eval(test))] # nosec except Exception as e: checks += [(test, f"{type(e).__name__} (exception)")] From 31cbbb57584fe2a7c42d30acf2aa4707039457b5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Thu, 29 Feb 2024 11:31:39 +0100 Subject: [PATCH 107/786] bandit: ignore md5 usage for download slot names --- scrapy/pqueues.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scrapy/pqueues.py b/scrapy/pqueues.py index b62d2fe58..593667f1f 100644 --- a/scrapy/pqueues.py +++ b/scrapy/pqueues.py @@ -20,7 +20,7 @@ def _path_safe(text): pathable_slot = "".join([c if c.isalnum() or c in "-._" else "_" for c in text]) # as we replace some letters we can get collision for different slots # add we add unique part - unique_slot = hashlib.md5(text.encode("utf8")).hexdigest() + unique_slot = hashlib.md5(text.encode("utf8")).hexdigest() # nosec return "-".join([pathable_slot, unique_slot]) From 032e6a091a27b406aa48293f752d4782f8cac159 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Thu, 29 Feb 2024 16:24:52 +0500 Subject: [PATCH 108/786] Reformat the new changes with new black. --- scrapy/http/request/json_request.py | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/scrapy/http/request/json_request.py b/scrapy/http/request/json_request.py index 5c09835e4..59b11c692 100644 --- a/scrapy/http/request/json_request.py +++ b/scrapy/http/request/json_request.py @@ -53,12 +53,10 @@ class JsonRequest(Request): @overload def replace( self, *args: Any, cls: Type[RequestTypeVar], **kwargs: Any - ) -> RequestTypeVar: - ... + ) -> RequestTypeVar: ... @overload - def replace(self, *args: Any, cls: None = None, **kwargs: Any) -> Self: - ... + def replace(self, *args: Any, cls: None = None, **kwargs: Any) -> Self: ... def replace( self, *args: Any, cls: Optional[Type[Request]] = None, **kwargs: Any From 1311e7db05204fe2cae7d1c5caf8b0ffe9371cd0 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Thu, 29 Feb 2024 16:31:06 +0500 Subject: [PATCH 109/786] Regenerate the expired mitmproxy-ca.pem. --- tests/keys/mitmproxy-ca.pem | 93 ++++++++++++++++++------------------- 1 file changed, 45 insertions(+), 48 deletions(-) diff --git a/tests/keys/mitmproxy-ca.pem b/tests/keys/mitmproxy-ca.pem index cdef75f99..61a690cc8 100644 --- a/tests/keys/mitmproxy-ca.pem +++ b/tests/keys/mitmproxy-ca.pem @@ -1,50 +1,47 @@ ------BEGIN PRIVATE KEY----- -MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQCYp6U4G9YWITYB -/JlZ+Hd08c/9a157WVl03hbR2DSK8FnK+D8cp2dGzuTfC08w8M/yvVYPcbb7ZDiT -NUsVwboFvmr/6mN6M9uQioCRStrP6Rkm2Wuagyj+GjqLwogTJlPiPwEPhlMgz1BJ -u6jQQSgiMsxKWMkVz3pCYERUMRX0DEgYST9rjYUAwD4rPv8XXtLLSPs0VniIggUH -JrngDUrtoK5Wuf098NJPIwW8uE2ev+DXH2Iuwn2fNKt5lSYypJdUZjyamwuE6HFB -eIBAIIKijMz/8UV1+H8Q0OcU2Sva2FglHREQtA/S5FlpcuTZt/77Vnxv75y/0zls -90iyQ3E/AgMBAAECggEBAJA1dyAdM85uC04vKVNUJM1GDp0xS+0syBReJaKRI3nJ -epoCj+RqxGag1pdaYLI0G84NTPqECz9LOyLdqpPgEfKRIxWlf9oWmSnfnXskArd8 -VfVcWYl6tEPv1TToTZIBmCbYLBFVbLxG/GrbK6uokdhUsqbdXwEKok2IEaSTRlDn -v8BVXte00d9VEKKpmI6EY3f45uPQPHuJNcitP2HGW1mT/C6XoZR6wj+VvoRgUGQT -I7PuktbYpQlLV+oX0uZz9frPGhjydUq0Jti5v3QAJEb+7D0cKrkZW+7fYDx4YkRU -oDiuWEyO2kfpff52Qxs+xUXMiAyw6/8+TamKoAi1TIECgYEAyAzoztW6W4CjL2au -/hN5VmbAvuBxq1m1G5KgXM1myX9V2CgH6OKwzJQNSCEfKMNOjqxB99T7C3tMCjgG -gmbUzylTeciQFF+crrl2Rn/6qZS9dCo1hagb3K5eXMhLXoP425Y4sypNPPqULhPn -YrUDFNAf89rRLqP1KMPLZ+uO7EECgYEAw1lWPxGV+X85iQxYN9xoX85htfJSBXTf -dLirQ4bkykOxSA6ZzFuhDO/G373Q1rze4tmEO790uOCeaiXGgeWC1A+2PMO957i5 -9FqhDIkmerfdIttdEUMM9rQwuTcLnixGZkT5GHDzjtNinaIVB+pv7twRAESqN9dC -QXh7IF7g/X8CgYBMhQOX+hCqZ24D95cAAJrs/ajEWj2geVPZFCDa3oZulJJVeBpu -bieKWScra9/rS6mE0Ub6cTEFl0fisMNspcDI7NnNP3Y9FMVt3+rp1JIgw5AkGvEW -CtN9egUGIGcT5A8Qj0lo3slkhcSgS2S6UNq431MZh51z5askyJ/JREULAQKBgFrR -OatwfYzUfOcd+hVePpfr1rlDwqYOw6P8BoMKP2tZNR4Oy6maH7Fn98kk8eYjQGuu -PC+avqUEqCEpFrRlAwGbnFl7ltoXozvatmyhhmYe/Iur+ASCa5B2DQDOenQ6mTAK -eNPIDzMjSwGFzMk1UHx3it/ZDFmRlZfibzuJYIf5AoGBAIaPHk4qadK/XpcD4Wwx -BOsDEIz27DGWdwWfd5r3EcV4zX/wNzH0G1Z8eydNjUqKzufMZgFwpcTu0Evesl1/ -B8kC8sLHxQoG5SvBu4dBxMwKIU9O9uFnX5SUYZUDpCtUYyZ+GtGom41Jwg5ENrwy -HzPh2taMnCA0h1fNLFFBkw88 ------END PRIVATE KEY----- +-----BEGIN RSA PRIVATE KEY----- +MIIEowIBAAKCAQEAuq7ujTpHoSwQn9/hFJT837jU/T7xLuyXjkAEfL7uVDuPWSdF +AJy+QJsuL6INMKMlxLUb1RRzxQgAmtYN1dIEbTPplffCNbfYm3FXg0mZlxg1UBg9 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+4H1wV543bUXGvi2RlN/gJLiZ7W8a41PGSfZ1AOpNdYJyoQDkJRYLeRILWsqwlMHL +tb9PYci7ihXP8kwRxmb2rKbsK6iuYoG6BU83akh4bKuLKwfLfYtYQfXfG4uQV29Z +XEKcvXPiEkethBlZGH/UVQKBgCa9Pvum3OcmYob6mgSwOOl3XgLTyLlzns+pEehB +aFDk+rZJZOaxnYMg2boVS/oXCvKSSBKqnzOTo4aPlEqceZonzspD7fYDbSNKKhWq +VYf7qDno+g3EuPagsH5mh7V2gjutub4oTegaNiPpD/Ec8Lrx1f1xQRk6wogGUW4w +qZ4RAoGBAPg1LezV8mlesF5mhj+KubYP4l1Zf9geAeQprjDbFsA0BEAS2KsWgmwR +Ye1fmek7jDjCPLQ4Amq030mLJuQGEM3cZPqjKX2sBZ8fQcgw7pWJWMvKMTBA4Aah +zQx1KXwHJANMWq/0QSFDq/LGJ2OYMlV2F0tH3P5Kp7ZASTyc78ux +-----END RSA PRIVATE KEY----- -----BEGIN CERTIFICATE----- -MIIDoTCCAomgAwIBAgIGDodLQx9+MA0GCSqGSIb3DQEBCwUAMCgxEjAQBgNVBAMM -CW1pdG1wcm94eTESMBAGA1UECgwJbWl0bXByb3h5MB4XDTIwMDgxMjE3MDMyNloX -DTIzMDgxNDE3MDMyNlowKDESMBAGA1UEAwwJbWl0bXByb3h5MRIwEAYDVQQKDAlt -aXRtcHJveHkwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCYp6U4G9YW -ITYB/JlZ+Hd08c/9a157WVl03hbR2DSK8FnK+D8cp2dGzuTfC08w8M/yvVYPcbb7 -ZDiTNUsVwboFvmr/6mN6M9uQioCRStrP6Rkm2Wuagyj+GjqLwogTJlPiPwEPhlMg -z1BJu6jQQSgiMsxKWMkVz3pCYERUMRX0DEgYST9rjYUAwD4rPv8XXtLLSPs0VniI -ggUHJrngDUrtoK5Wuf098NJPIwW8uE2ev+DXH2Iuwn2fNKt5lSYypJdUZjyamwuE -6HFBeIBAIIKijMz/8UV1+H8Q0OcU2Sva2FglHREQtA/S5FlpcuTZt/77Vnxv75y/ -0zls90iyQ3E/AgMBAAGjgdAwgc0wDwYDVR0TAQH/BAUwAwEB/zARBglghkgBhvhC -AQEEBAMCAgQweAYDVR0lBHEwbwYIKwYBBQUHAwEGCCsGAQUFBwMCBggrBgEFBQcD -BAYIKwYBBQUHAwgGCisGAQQBgjcCARUGCisGAQQBgjcCARYGCisGAQQBgjcKAwEG -CisGAQQBgjcKAwMGCisGAQQBgjcKAwQGCWCGSAGG+EIEATAOBgNVHQ8BAf8EBAMC -AQYwHQYDVR0OBBYEFBCsLPpFz3l9rOOfGmfs+VRc3jhJMA0GCSqGSIb3DQEBCwUA -A4IBAQADTpA15na6U5qqDCe0rr39fkS1/dY804Xnz7g/L3AsxPE1KOMijuJa8sKd -kKwba1173FwMupfK39zY8jUxL8Qprdi92RO6CpoFUsL/icpA///lYhzUSqt32qwe -gRNW3mtYBimOk6KH1NOfQnJolWpJh+g1OEsitQKEeKwIn5Hz+8/yS5tbwLgdnMlY -1/it1H70JSdE7nfJueqN4cFfBsm6XaHZzacJJmN7WP88fd+zztnSQsBFbLlnjnqj -envCDIwCrMywKNMqEBMwmBEGSAF47fVNYj6KzDAtMvBdDkYaHWpBf4tnFfk6v0wj -wiKjdLjCmJgjGAQjRw5VYJ8JI0XO +MIIDNTCCAh2gAwIBAgIUcGDiCmOuhfxMGFS/otcGGFkOSAEwDQYJKoZIhvcNAQEL 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+8CRUF88icQXrec1TCbhh0CfdDxz+FYSTnW0DR0L75coa/CBmRxAjnrkLoXRr3Y1d +sTjU4zDdBcBw -----END CERTIFICATE----- From 4cd94aa668c60f92b1d9f4e5cf27752e1fe9c9cd Mon Sep 17 00:00:00 2001 From: "Yuri H. Galvao" Date: Fri, 1 Mar 2024 04:07:38 -0600 Subject: [PATCH 110/786] Restore brotlipy support (#6261) --- scrapy/utils/_compression.py | 32 +++++++++++++++++++++++++++++++- tox.ini | 1 + 2 files changed, 32 insertions(+), 1 deletion(-) diff --git a/scrapy/utils/_compression.py b/scrapy/utils/_compression.py index 5610595d3..14531df3f 100644 --- a/scrapy/utils/_compression.py +++ b/scrapy/utils/_compression.py @@ -1,10 +1,40 @@ import zlib from io import BytesIO +from warnings import warn + +from scrapy.exceptions import ScrapyDeprecationWarning try: import brotli except ImportError: pass +else: + try: + brotli.Decompressor.process + except AttributeError: + + warn( + ( + "You have brotlipy installed, and Scrapy will use it, but " + "Scrapy support for brotlipy is deprecated and will stop " + "working in a future version of Scrapy. brotlipy itself is " + "deprecated, it has been superseded by brotlicffi (not " + "currently supported by Scrapy). Please, uninstall brotlipy " + "and install brotli instead. brotlipy has the same import " + "name as brotli, so keeping both installed is strongly " + "discouraged." + ), + ScrapyDeprecationWarning, + ) + + def _brotli_decompress(decompressor, data): + return decompressor.decompress(data) + + else: + + def _brotli_decompress(decompressor, data): + return decompressor.process(data) + try: import zstandard @@ -61,7 +91,7 @@ def _unbrotli(data: bytes, *, max_size: int = 0) -> bytes: decompressed_size = 0 while output_chunk: input_chunk = input_stream.read(_CHUNK_SIZE) - output_chunk = decompressor.process(input_chunk) + output_chunk = _brotli_decompress(decompressor, input_chunk) decompressed_size += len(output_chunk) if max_size and decompressed_size > max_size: raise _DecompressionMaxSizeExceeded( diff --git a/tox.ini b/tox.ini index 4ed9b3bd7..237aa489c 100644 --- a/tox.ini +++ b/tox.ini @@ -135,6 +135,7 @@ deps = google-cloud-storage==1.29.0 Pillow==7.1.0 robotexclusionrulesparser==1.6.2 + brotlipy install_command = {[pinned]install_command} setenv = {[pinned]setenv} From aa1bf6907964f0281264052cabc28197c5d28107 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Fri, 1 Mar 2024 12:48:00 +0100 Subject: [PATCH 111/786] Mark hashlib usages as not intended for security (#6264) --- .bandit.yml | 1 - scrapy/pipelines/files.py | 28 ++++++++++++++++++++++------ scrapy/pipelines/images.py | 9 ++++----- scrapy/utils/misc.py | 10 +++++++++- scrapy/utils/request.py | 2 +- 5 files changed, 36 insertions(+), 14 deletions(-) diff --git a/.bandit.yml b/.bandit.yml index 4fcd75c57..db2fbb84c 100644 --- a/.bandit.yml +++ b/.bandit.yml @@ -2,7 +2,6 @@ skips: - B101 # assert_used, needed for mypy - B320 # xml_bad_etree - B321 # ftplib, https://github.com/scrapy/scrapy/issues/4180 -- B324 # hashlib "Use of weak SHA1 hash for security" - B402 # import_ftplib, https://github.com/scrapy/scrapy/issues/4180 - B410 # import_lxml - B411 # import_xmlrpclib, https://github.com/PyCQA/bandit/issues/1082 diff --git a/scrapy/pipelines/files.py b/scrapy/pipelines/files.py index 1d7625299..d04218089 100644 --- a/scrapy/pipelines/files.py +++ b/scrapy/pipelines/files.py @@ -16,7 +16,7 @@ from ftplib import FTP from io import BytesIO from os import PathLike from pathlib import Path -from typing import DefaultDict, Optional, Set, Union +from typing import IO, DefaultDict, Optional, Set, Union from urllib.parse import urlparse from itemadapter import ItemAdapter @@ -31,7 +31,6 @@ from scrapy.utils.boto import is_botocore_available from scrapy.utils.datatypes import CaseInsensitiveDict from scrapy.utils.ftp import ftp_store_file from scrapy.utils.log import failure_to_exc_info -from scrapy.utils.misc import md5sum from scrapy.utils.python import to_bytes from scrapy.utils.request import referer_str @@ -42,6 +41,23 @@ def _to_string(path: Union[str, PathLike]) -> str: return str(path) # convert a Path object to string +def _md5sum(file: IO) -> str: + """Calculate the md5 checksum of a file-like object without reading its + whole content in memory. + + >>> from io import BytesIO + >>> _md5sum(BytesIO(b'file content to hash')) + '784406af91dd5a54fbb9c84c2236595a' + """ + m = hashlib.md5() # nosec + while True: + d = file.read(8096) + if not d: + break + m.update(d) + return m.hexdigest() + + class FileException(Exception): """General media error exception""" @@ -70,7 +86,7 @@ class FSFilesStore: return {} with absolute_path.open("rb") as f: - checksum = md5sum(f) + checksum = _md5sum(f) return {"last_modified": last_modified, "checksum": checksum} @@ -299,7 +315,7 @@ class FTPFilesStore: ftp.set_pasv(False) file_path = f"{self.basedir}/{path}" last_modified = float(ftp.voidcmd(f"MDTM {file_path}")[4:].strip()) - m = hashlib.md5() + m = hashlib.md5() # nosec ftp.retrbinary(f"RETR {file_path}", m.update) return {"last_modified": last_modified, "checksum": m.hexdigest()} # The file doesn't exist @@ -531,7 +547,7 @@ class FilesPipeline(MediaPipeline): def file_downloaded(self, response, request, info, *, item=None): path = self.file_path(request, response=response, info=info, item=item) buf = BytesIO(response.body) - checksum = md5sum(buf) + checksum = _md5sum(buf) buf.seek(0) self.store.persist_file(path, buf, info) return checksum @@ -542,7 +558,7 @@ class FilesPipeline(MediaPipeline): return item def file_path(self, request, response=None, info=None, *, item=None): - media_guid = hashlib.sha1(to_bytes(request.url)).hexdigest() + media_guid = hashlib.sha1(to_bytes(request.url)).hexdigest() # nosec media_ext = Path(request.url).suffix # Handles empty and wild extensions by trying to guess the # mime type then extension or default to empty string otherwise diff --git a/scrapy/pipelines/images.py b/scrapy/pipelines/images.py index 8169583f8..137aa7a9a 100644 --- a/scrapy/pipelines/images.py +++ b/scrapy/pipelines/images.py @@ -17,11 +17,10 @@ from itemadapter import ItemAdapter from scrapy.exceptions import DropItem, NotConfigured, ScrapyDeprecationWarning from scrapy.http import Request from scrapy.http.request import NO_CALLBACK -from scrapy.pipelines.files import FileException, FilesPipeline +from scrapy.pipelines.files import FileException, FilesPipeline, _md5sum # TODO: from scrapy.pipelines.media import MediaPipeline from scrapy.settings import Settings -from scrapy.utils.misc import md5sum from scrapy.utils.python import get_func_args, to_bytes @@ -128,7 +127,7 @@ class ImagesPipeline(FilesPipeline): for path, image, buf in self.get_images(response, request, info, item=item): if checksum is None: buf.seek(0) - checksum = md5sum(buf) + checksum = _md5sum(buf) width, height = image.size self.store.persist_file( path, @@ -228,9 +227,9 @@ class ImagesPipeline(FilesPipeline): return item def file_path(self, request, response=None, info=None, *, item=None): - image_guid = hashlib.sha1(to_bytes(request.url)).hexdigest() + image_guid = hashlib.sha1(to_bytes(request.url)).hexdigest() # nosec return f"full/{image_guid}.jpg" def thumb_path(self, request, thumb_id, response=None, info=None, *, item=None): - thumb_guid = hashlib.sha1(to_bytes(request.url)).hexdigest() + thumb_guid = hashlib.sha1(to_bytes(request.url)).hexdigest() # nosec return f"thumbs/{thumb_id}/{thumb_guid}.jpg" diff --git a/scrapy/utils/misc.py b/scrapy/utils/misc.py index 7b43760a8..7f83d06fb 100644 --- a/scrapy/utils/misc.py +++ b/scrapy/utils/misc.py @@ -113,7 +113,15 @@ def md5sum(file: IO) -> str: >>> md5sum(BytesIO(b'file content to hash')) '784406af91dd5a54fbb9c84c2236595a' """ - m = hashlib.md5() + warnings.warn( + ( + "The scrapy.utils.misc.md5sum function is deprecated, and will be " + "removed in a future version of Scrapy." + ), + ScrapyDeprecationWarning, + stacklevel=2, + ) + m = hashlib.md5() # nosec while True: d = file.read(8096) if not d: diff --git a/scrapy/utils/request.py b/scrapy/utils/request.py index e99d1eeb5..1f07d58eb 100644 --- a/scrapy/utils/request.py +++ b/scrapy/utils/request.py @@ -111,7 +111,7 @@ def fingerprint( "headers": headers, } fingerprint_json = json.dumps(fingerprint_data, sort_keys=True) - cache[cache_key] = hashlib.sha1(fingerprint_json.encode()).digest() + cache[cache_key] = hashlib.sha1(fingerprint_json.encode()).digest() # nosec return cache[cache_key] From bf149356fc6e519e92fb55150a60b40b14e45ae8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Fri, 1 Mar 2024 16:02:03 +0100 Subject: [PATCH 112/786] Bandit: allow-list lxml usages (#6265) --- .bandit.yml | 2 -- scrapy/http/request/form.py | 17 ++++++----------- scrapy/linkextractors/lxmlhtml.py | 2 +- scrapy/selector/unified.py | 3 ++- scrapy/utils/_compression.py | 1 - scrapy/utils/iterators.py | 5 +++-- scrapy/utils/sitemap.py | 4 ++-- scrapy/utils/versions.py | 2 +- 8 files changed, 15 insertions(+), 21 deletions(-) diff --git a/.bandit.yml b/.bandit.yml index db2fbb84c..b7f1817e0 100644 --- a/.bandit.yml +++ b/.bandit.yml @@ -1,9 +1,7 @@ skips: - B101 # assert_used, needed for mypy -- B320 # xml_bad_etree - B321 # ftplib, https://github.com/scrapy/scrapy/issues/4180 - B402 # import_ftplib, https://github.com/scrapy/scrapy/issues/4180 -- B410 # import_lxml - B411 # import_xmlrpclib, https://github.com/PyCQA/bandit/issues/1082 - B503 # ssl_with_bad_defaults exclude_dirs: ['tests'] diff --git a/scrapy/http/request/form.py b/scrapy/http/request/form.py index 0f80a0ab7..3206d79cd 100644 --- a/scrapy/http/request/form.py +++ b/scrapy/http/request/form.py @@ -10,21 +10,16 @@ from __future__ import annotations from typing import TYPE_CHECKING, Any, Iterable, List, Optional, Tuple, Union, cast from urllib.parse import urlencode, urljoin, urlsplit, urlunsplit -from lxml.html import ( - FormElement, - HTMLParser, - InputElement, - MultipleSelectOptions, - SelectElement, - TextareaElement, -) -from parsel.selector import create_root_node +from lxml.html import FormElement # nosec +from lxml.html import InputElement # nosec +from lxml.html import MultipleSelectOptions # nosec +from lxml.html import SelectElement # nosec +from lxml.html import TextareaElement # nosec from w3lib.html import strip_html5_whitespace from scrapy.http.request import Request from scrapy.http.response.text import TextResponse from scrapy.utils.python import is_listlike, to_bytes -from scrapy.utils.response import get_base_url if TYPE_CHECKING: # typing.Self requires Python 3.11 @@ -120,7 +115,7 @@ def _get_form( formxpath: Optional[str], ) -> FormElement: """Find the wanted form element within the given response.""" - root = create_root_node(response.text, HTMLParser, base_url=get_base_url(response)) + root = response.selector.root forms = root.xpath("//form") if not forms: raise ValueError(f"No element found in {response}") diff --git a/scrapy/linkextractors/lxmlhtml.py b/scrapy/linkextractors/lxmlhtml.py index d76db20ba..55bc0fc43 100644 --- a/scrapy/linkextractors/lxmlhtml.py +++ b/scrapy/linkextractors/lxmlhtml.py @@ -7,7 +7,7 @@ import operator from functools import partial from urllib.parse import urljoin, urlparse -from lxml import etree +from lxml import etree # nosec from parsel.csstranslator import HTMLTranslator from w3lib.html import strip_html5_whitespace from w3lib.url import canonicalize_url, safe_url_string diff --git a/scrapy/selector/unified.py b/scrapy/selector/unified.py index 75d5e9fbd..aa9581fcd 100644 --- a/scrapy/selector/unified.py +++ b/scrapy/selector/unified.py @@ -8,6 +8,7 @@ from parsel import Selector as _ParselSelector from scrapy.http import HtmlResponse, TextResponse, XmlResponse from scrapy.utils.python import to_bytes +from scrapy.utils.response import get_base_url from scrapy.utils.trackref import object_ref __all__ = ["Selector", "SelectorList"] @@ -88,7 +89,7 @@ class Selector(_ParselSelector, object_ref): if response is not None: text = response.text - kwargs.setdefault("base_url", response.url) + kwargs.setdefault("base_url", get_base_url(response)) self.response = response diff --git a/scrapy/utils/_compression.py b/scrapy/utils/_compression.py index 14531df3f..7c40d0a02 100644 --- a/scrapy/utils/_compression.py +++ b/scrapy/utils/_compression.py @@ -12,7 +12,6 @@ else: try: brotli.Decompressor.process except AttributeError: - warn( ( "You have brotlipy installed, and Scrapy will use it, but " diff --git a/scrapy/utils/iterators.py b/scrapy/utils/iterators.py index 93a2ba7a1..49493e9c6 100644 --- a/scrapy/utils/iterators.py +++ b/scrapy/utils/iterators.py @@ -18,7 +18,7 @@ from typing import ( ) from warnings import warn -from lxml import etree +from lxml import etree # nosec from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.http import Response, TextResponse @@ -26,7 +26,7 @@ from scrapy.selector import Selector from scrapy.utils.python import re_rsearch, to_unicode if TYPE_CHECKING: - from lxml._types import SupportsReadClose + from lxml._types import SupportsReadClose # nosec logger = logging.getLogger(__name__) @@ -101,6 +101,7 @@ def xmliter_lxml( cast("SupportsReadClose[bytes]", reader), encoding=reader.encoding, events=("end", "start-ns"), + resolve_entities=False, huge_tree=True, ) selxpath = "//" + (f"{prefix}:{nodename}" if namespace else nodename) diff --git a/scrapy/utils/sitemap.py b/scrapy/utils/sitemap.py index 8bf941eb2..7dcee3a2f 100644 --- a/scrapy/utils/sitemap.py +++ b/scrapy/utils/sitemap.py @@ -8,7 +8,7 @@ SitemapSpider, its API is subject to change without notice. from typing import Any, Dict, Generator, Iterator, Optional from urllib.parse import urljoin -import lxml.etree +import lxml.etree # nosec class Sitemap: @@ -19,7 +19,7 @@ class Sitemap: xmlp = lxml.etree.XMLParser( recover=True, remove_comments=True, resolve_entities=False ) - self._root = lxml.etree.fromstring(xmltext, parser=xmlp) + self._root = lxml.etree.fromstring(xmltext, parser=xmlp) # nosec rt = self._root.tag self.type = self._root.tag.split("}", 1)[1] if "}" in rt else rt diff --git a/scrapy/utils/versions.py b/scrapy/utils/versions.py index 9b637bdb0..42e5e9be4 100644 --- a/scrapy/utils/versions.py +++ b/scrapy/utils/versions.py @@ -4,7 +4,7 @@ from typing import List, Tuple import cryptography import cssselect -import lxml.etree +import lxml.etree # nosec import parsel import twisted import w3lib From 6b75d8f3b3107957f3ae381ce3882ac3778f34c4 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Tue, 5 Mar 2024 22:23:48 +0500 Subject: [PATCH 113/786] Bump pytest-mypy-testing. --- tox.ini | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tox.ini b/tox.ini index c43bd73d1..7192b6808 100644 --- a/tox.ini +++ b/tox.ini @@ -47,7 +47,7 @@ basepython = python3.8 deps = -rtests/requirements.txt {[testenv:typing]deps} - pytest-mypy-testing==0.1.1 + pytest-mypy-testing==0.1.3 commands = pytest {posargs: tests_typing} From cab1016bb6f719b15043f65502c63fbaa191df36 Mon Sep 17 00:00:00 2001 From: Laerte Pereira Date: Tue, 5 Mar 2024 20:24:17 -0300 Subject: [PATCH 114/786] Add brotlicffi support --- scrapy/utils/_compression.py | 2 ++ ...st_downloadermiddleware_httpcompression.py | 35 +++++++++++++++---- tox.ini | 1 + 3 files changed, 31 insertions(+), 7 deletions(-) diff --git a/scrapy/utils/_compression.py b/scrapy/utils/_compression.py index 7c40d0a02..7896f4c01 100644 --- a/scrapy/utils/_compression.py +++ b/scrapy/utils/_compression.py @@ -6,6 +6,8 @@ from scrapy.exceptions import ScrapyDeprecationWarning try: import brotli +except ImportError: + import brotlicffi as brotli except ImportError: pass else: diff --git a/tests/test_downloadermiddleware_httpcompression.py b/tests/test_downloadermiddleware_httpcompression.py index ae5569d0a..7c36f748e 100644 --- a/tests/test_downloadermiddleware_httpcompression.py +++ b/tests/test_downloadermiddleware_httpcompression.py @@ -130,7 +130,10 @@ class HttpCompressionTest(TestCase): def test_process_response_br(self): try: - import brotli # noqa: F401 + try: + import brotli # noqa: F401 + except ImportError: + import brotlicffi # noqa: F401 except ImportError: raise SkipTest("no brotli") response = self._getresponse("br") @@ -448,7 +451,10 @@ class HttpCompressionTest(TestCase): def test_compression_bomb_setting_br(self): try: - import brotli # noqa: F401 + try: + import brotli # noqa: F401 + except ImportError: + import brotlicffi # noqa: F401 except ImportError: raise SkipTest("no brotli") self._test_compression_bomb_setting("br") @@ -486,7 +492,10 @@ class HttpCompressionTest(TestCase): def test_compression_bomb_spider_attr_br(self): try: - import brotli # noqa: F401 + try: + import brotli # noqa: F401 + except ImportError: + import brotlicffi # noqa: F401 except ImportError: raise SkipTest("no brotli") self._test_compression_bomb_spider_attr("br") @@ -522,7 +531,10 @@ class HttpCompressionTest(TestCase): def test_compression_bomb_request_meta_br(self): try: - import brotli # noqa: F401 + try: + import brotli # noqa: F401 + except ImportError: + import brotlicffi # noqa: F401 except ImportError: raise SkipTest("no brotli") self._test_compression_bomb_request_meta("br") @@ -568,7 +580,10 @@ class HttpCompressionTest(TestCase): def test_download_warnsize_setting_br(self): try: - import brotli # noqa: F401 + try: + import brotli # noqa: F401 + except ImportError: + import brotlicffi # noqa: F401 except ImportError: raise SkipTest("no brotli") self._test_download_warnsize_setting("br") @@ -616,7 +631,10 @@ class HttpCompressionTest(TestCase): def test_download_warnsize_spider_attr_br(self): try: - import brotli # noqa: F401 + try: + import brotli # noqa: F401 + except ImportError: + import brotlicffi # noqa: F401 except ImportError: raise SkipTest("no brotli") self._test_download_warnsize_spider_attr("br") @@ -662,7 +680,10 @@ class HttpCompressionTest(TestCase): def test_download_warnsize_request_meta_br(self): try: - import brotli # noqa: F401 + try: + import brotli # noqa: F401 + except ImportError: + import brotlicffi # noqa: F401 except ImportError: raise SkipTest("no brotli") self._test_download_warnsize_request_meta("br") diff --git a/tox.ini b/tox.ini index 237aa489c..6b804b78c 100644 --- a/tox.ini +++ b/tox.ini @@ -162,6 +162,7 @@ basepython = {[testenv:pypy3]basepython} deps = {[pinned]deps} PyPyDispatcher==2.1.0 + brotlicffi commands = pytest --durations=10 scrapy tests install_command = {[pinned]install_command} From 3421823dce94a693ee86915110d899d8da6f3e9f Mon Sep 17 00:00:00 2001 From: Laerte Pereira Date: Tue, 5 Mar 2024 20:26:23 -0300 Subject: [PATCH 115/786] Nested try-except block --- scrapy/utils/_compression.py | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/scrapy/utils/_compression.py b/scrapy/utils/_compression.py index 7896f4c01..477573588 100644 --- a/scrapy/utils/_compression.py +++ b/scrapy/utils/_compression.py @@ -5,9 +5,10 @@ from warnings import warn from scrapy.exceptions import ScrapyDeprecationWarning try: - import brotli -except ImportError: - import brotlicffi as brotli + try: + import brotli + except ImportError: + import brotlicffi as brotli except ImportError: pass else: From a52429ae08ec15d70f7f3e2079d32933bb639d6b Mon Sep 17 00:00:00 2001 From: Laerte Pereira Date: Tue, 5 Mar 2024 21:12:25 -0300 Subject: [PATCH 116/786] Update disclaimer --- scrapy/utils/_compression.py | 4 ++-- tox.ini | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/scrapy/utils/_compression.py b/scrapy/utils/_compression.py index 477573588..4b3fd342d 100644 --- a/scrapy/utils/_compression.py +++ b/scrapy/utils/_compression.py @@ -20,8 +20,8 @@ else: "You have brotlipy installed, and Scrapy will use it, but " "Scrapy support for brotlipy is deprecated and will stop " "working in a future version of Scrapy. brotlipy itself is " - "deprecated, it has been superseded by brotlicffi (not " - "currently supported by Scrapy). Please, uninstall brotlipy " + "deprecated, it has been superseded by brotlicffi " + "Please, uninstall brotlipy " "and install brotli instead. brotlipy has the same import " "name as brotli, so keeping both installed is strongly " "discouraged." diff --git a/tox.ini b/tox.ini index 6b804b78c..9cf3c92ad 100644 --- a/tox.ini +++ b/tox.ini @@ -124,7 +124,7 @@ deps = robotexclusionrulesparser Pillow Twisted[http2] - brotli + brotli; implementation_name != 'pypy' zstandard [testenv:extra-deps-pinned] From 16864ea602ebc3d1a764aaf6c101a5f20ff57bee Mon Sep 17 00:00:00 2001 From: Laerte Pereira Date: Tue, 5 Mar 2024 21:18:24 -0300 Subject: [PATCH 117/786] Remove PyPy condition --- tox.ini | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tox.ini b/tox.ini index 9cf3c92ad..6b804b78c 100644 --- a/tox.ini +++ b/tox.ini @@ -124,7 +124,7 @@ deps = robotexclusionrulesparser Pillow Twisted[http2] - brotli; implementation_name != 'pypy' + brotli zstandard [testenv:extra-deps-pinned] From 532cd2eabd8b280e64a1087c49b8f5eb5f05530f Mon Sep 17 00:00:00 2001 From: Laerte Pereira Date: Tue, 5 Mar 2024 21:30:20 -0300 Subject: [PATCH 118/786] Use brotlicffi for PyPy --- tests/requirements.txt | 3 +-- tox.ini | 1 - 2 files changed, 1 insertion(+), 3 deletions(-) diff --git a/tests/requirements.txt b/tests/requirements.txt index 5b75674f5..ca5f6ddbd 100644 --- a/tests/requirements.txt +++ b/tests/requirements.txt @@ -11,8 +11,7 @@ uvloop; platform_system != "Windows" bpython # optional for shell wrapper tests brotli; implementation_name != 'pypy' # optional for HTTP compress downloader middleware tests -# 1.1.0 is broken on PyPy: https://github.com/google/brotli/issues/1072 -brotli==1.0.9; implementation_name == 'pypy' # optional for HTTP compress downloader middleware tests +brotlicffi; implementation_name == 'pypy' # optional for HTTP compress downloader middleware tests zstandard; implementation_name != 'pypy' # optional for HTTP compress downloader middleware tests ipython pywin32; sys_platform == "win32" diff --git a/tox.ini b/tox.ini index 6b804b78c..237aa489c 100644 --- a/tox.ini +++ b/tox.ini @@ -162,7 +162,6 @@ basepython = {[testenv:pypy3]basepython} deps = {[pinned]deps} PyPyDispatcher==2.1.0 - brotlicffi commands = pytest --durations=10 scrapy tests install_command = {[pinned]install_command} From 7f1fbdba3cc6f118cbf11285ed26e488f854aed1 Mon Sep 17 00:00:00 2001 From: Laerte Pereira Date: Tue, 5 Mar 2024 22:11:11 -0300 Subject: [PATCH 119/786] Check brotlicffi for ACCEPTED_ENCODINGS --- scrapy/downloadermiddlewares/httpcompression.py | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/scrapy/downloadermiddlewares/httpcompression.py b/scrapy/downloadermiddlewares/httpcompression.py index aa3abe853..0e5e215ac 100644 --- a/scrapy/downloadermiddlewares/httpcompression.py +++ b/scrapy/downloadermiddlewares/httpcompression.py @@ -29,7 +29,10 @@ logger = getLogger(__name__) ACCEPTED_ENCODINGS: List[bytes] = [b"gzip", b"deflate"] try: - import brotli # noqa: F401 + try: + import brotli # noqa: F401 + except ImportError: + import brotlicffi # noqa: F401 except ImportError: pass else: From 7be919138d84ec00feb80a78e13721dff998c10c Mon Sep 17 00:00:00 2001 From: Laerte Pereira <5853172+Laerte@users.noreply.github.com> Date: Wed, 6 Mar 2024 05:49:31 -0300 Subject: [PATCH 120/786] Update scrapy/utils/_compression.py Co-authored-by: Andrey Rakhmatullin --- scrapy/utils/_compression.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scrapy/utils/_compression.py b/scrapy/utils/_compression.py index 4b3fd342d..349fd9ac0 100644 --- a/scrapy/utils/_compression.py +++ b/scrapy/utils/_compression.py @@ -20,7 +20,7 @@ else: "You have brotlipy installed, and Scrapy will use it, but " "Scrapy support for brotlipy is deprecated and will stop " "working in a future version of Scrapy. brotlipy itself is " - "deprecated, it has been superseded by brotlicffi " + "deprecated, it has been superseded by brotlicffi. " "Please, uninstall brotlipy " "and install brotli instead. brotlipy has the same import " "name as brotli, so keeping both installed is strongly " From 99f7165c63a8a2dba72090f65ba1093d476d669a Mon Sep 17 00:00:00 2001 From: Laerte Pereira <5853172+Laerte@users.noreply.github.com> Date: Wed, 6 Mar 2024 09:02:01 -0300 Subject: [PATCH 121/786] Update scrapy/utils/_compression.py MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Co-authored-by: Adrián Chaves --- scrapy/utils/_compression.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scrapy/utils/_compression.py b/scrapy/utils/_compression.py index 349fd9ac0..84c255c28 100644 --- a/scrapy/utils/_compression.py +++ b/scrapy/utils/_compression.py @@ -22,7 +22,7 @@ else: "working in a future version of Scrapy. brotlipy itself is " "deprecated, it has been superseded by brotlicffi. " "Please, uninstall brotlipy " - "and install brotli instead. brotlipy has the same import " + "and install brotli or brotlicffi instead. brotlipy has the same import " "name as brotli, so keeping both installed is strongly " "discouraged." ), From 6ecc9e0a34be6317d1b35a3ca1fc13cb98129732 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 6 Mar 2024 17:21:08 +0500 Subject: [PATCH 122/786] Add typing for scrapy/commands (#6268) --- scrapy/commands/__init__.py | 48 +++++++----- scrapy/commands/bench.py | 18 +++-- scrapy/commands/check.py | 18 +++-- scrapy/commands/crawl.py | 14 +++- scrapy/commands/edit.py | 14 ++-- scrapy/commands/fetch.py | 23 +++--- scrapy/commands/genspider.py | 31 +++++--- scrapy/commands/list.py | 8 +- scrapy/commands/parse.py | 128 +++++++++++++++++++++++--------- scrapy/commands/runspider.py | 12 +-- scrapy/commands/settings.py | 13 ++-- scrapy/commands/shell.py | 19 ++--- scrapy/commands/startproject.py | 22 +++--- scrapy/commands/version.py | 13 ++-- scrapy/commands/view.py | 15 +++- scrapy/shell.py | 70 +++++++++++------ scrapy/utils/console.py | 48 ++++++++---- scrapy/utils/response.py | 26 +++---- 18 files changed, 355 insertions(+), 185 deletions(-) diff --git a/scrapy/commands/__init__.py b/scrapy/commands/__init__.py index 27993710e..9fe803d3c 100644 --- a/scrapy/commands/__init__.py +++ b/scrapy/commands/__init__.py @@ -3,61 +3,62 @@ Base class for Scrapy commands """ import argparse +import builtins import os from pathlib import Path -from typing import Any, Dict, List, Optional +from typing import Any, Dict, Iterable, List, Optional from twisted.python import failure -from scrapy.crawler import CrawlerProcess +from scrapy.crawler import Crawler, CrawlerProcess from scrapy.exceptions import UsageError from scrapy.utils.conf import arglist_to_dict, feed_process_params_from_cli class ScrapyCommand: - requires_project = False + requires_project: bool = False crawler_process: Optional[CrawlerProcess] = None # default settings to be used for this command instead of global defaults default_settings: Dict[str, Any] = {} - exitcode = 0 + exitcode: int = 0 def __init__(self) -> None: self.settings: Any = None # set in scrapy.cmdline - def set_crawler(self, crawler): + def set_crawler(self, crawler: Crawler) -> None: if hasattr(self, "_crawler"): raise RuntimeError("crawler already set") - self._crawler = crawler + self._crawler: Crawler = crawler - def syntax(self): + def syntax(self) -> str: """ Command syntax (preferably one-line). Do not include command name. """ return "" - def short_desc(self): + def short_desc(self) -> str: """ A short description of the command """ return "" - def long_desc(self): + def long_desc(self) -> str: """A long description of the command. Return short description when not available. It cannot contain newlines since contents will be formatted by optparser which removes newlines and wraps text. """ return self.short_desc() - def help(self): + def help(self) -> str: """An extensive help for the command. It will be shown when using the "help" command. It can contain newlines since no post-formatting will be applied to its contents. """ return self.long_desc() - def add_options(self, parser): + def add_options(self, parser: argparse.ArgumentParser) -> None: """ Populate option parse with options available for this command """ @@ -92,7 +93,7 @@ class ScrapyCommand: ) group.add_argument("--pdb", action="store_true", help="enable pdb on failure") - def process_options(self, args, opts): + def process_options(self, args: List[str], opts: argparse.Namespace) -> None: try: self.settings.setdict(arglist_to_dict(opts.set), priority="cmdline") except ValueError: @@ -129,8 +130,8 @@ class BaseRunSpiderCommand(ScrapyCommand): Common class used to share functionality between the crawl, parse and runspider commands """ - def add_options(self, parser): - ScrapyCommand.add_options(self, parser) + def add_options(self, parser: argparse.ArgumentParser) -> None: + super().add_options(parser) parser.add_argument( "-a", dest="spargs", @@ -162,8 +163,8 @@ class BaseRunSpiderCommand(ScrapyCommand): help="format to use for dumping items", ) - def process_options(self, args, opts): - ScrapyCommand.process_options(self, args, opts) + def process_options(self, args: List[str], opts: argparse.Namespace) -> None: + super().process_options(args, opts) try: opts.spargs = arglist_to_dict(opts.spargs) except ValueError: @@ -183,7 +184,13 @@ class ScrapyHelpFormatter(argparse.HelpFormatter): Help Formatter for scrapy command line help messages. """ - def __init__(self, prog, indent_increment=2, max_help_position=24, width=None): + def __init__( + self, + prog: str, + indent_increment: int = 2, + max_help_position: int = 24, + width: Optional[int] = None, + ): super().__init__( prog, indent_increment=indent_increment, @@ -191,11 +198,12 @@ class ScrapyHelpFormatter(argparse.HelpFormatter): width=width, ) - def _join_parts(self, part_strings): - parts = self.format_part_strings(part_strings) + def _join_parts(self, part_strings: Iterable[str]) -> str: + # scrapy.commands.list shadows builtins.list + parts = self.format_part_strings(builtins.list(part_strings)) return super()._join_parts(parts) - def format_part_strings(self, part_strings): + def format_part_strings(self, part_strings: List[str]) -> List[str]: """ Underline and title case command line help message headers. """ diff --git a/scrapy/commands/bench.py b/scrapy/commands/bench.py index aaf5a439f..2e6bb5d86 100644 --- a/scrapy/commands/bench.py +++ b/scrapy/commands/bench.py @@ -1,10 +1,14 @@ +import argparse import subprocess # nosec import sys import time +from typing import Any, Iterable, List from urllib.parse import urlencode import scrapy +from scrapy import Request from scrapy.commands import ScrapyCommand +from scrapy.http import Response from scrapy.linkextractors import LinkExtractor @@ -15,26 +19,28 @@ class Command(ScrapyCommand): "CLOSESPIDER_TIMEOUT": 10, } - def short_desc(self): + def short_desc(self) -> str: return "Run quick benchmark test" - def run(self, args, opts): + def run(self, args: List[str], opts: argparse.Namespace) -> None: with _BenchServer(): + assert self.crawler_process self.crawler_process.crawl(_BenchSpider, total=100000) self.crawler_process.start() class _BenchServer: - def __enter__(self): + def __enter__(self) -> None: from scrapy.utils.test import get_testenv pargs = [sys.executable, "-u", "-m", "scrapy.utils.benchserver"] self.proc = subprocess.Popen( pargs, stdout=subprocess.PIPE, env=get_testenv() ) # nosec + assert self.proc.stdout self.proc.stdout.readline() - def __exit__(self, exc_type, exc_value, traceback): + def __exit__(self, exc_type, exc_value, traceback) -> None: self.proc.kill() self.proc.wait() time.sleep(0.2) @@ -49,11 +55,11 @@ class _BenchSpider(scrapy.Spider): baseurl = "http://localhost:8998" link_extractor = LinkExtractor() - def start_requests(self): + def start_requests(self) -> Iterable[Request]: qargs = {"total": self.total, "show": self.show} url = f"{self.baseurl}?{urlencode(qargs, doseq=True)}" return [scrapy.Request(url, dont_filter=True)] - def parse(self, response): + def parse(self, response: Response) -> Any: # type: ignore[override] for link in self.link_extractor.extract_links(response): yield scrapy.Request(link.url, callback=self.parse) diff --git a/scrapy/commands/check.py b/scrapy/commands/check.py index de54ca4d3..22c8abf7a 100644 --- a/scrapy/commands/check.py +++ b/scrapy/commands/check.py @@ -1,5 +1,7 @@ +import argparse import time from collections import defaultdict +from typing import List from unittest import TextTestResult as _TextTestResult from unittest import TextTestRunner @@ -10,9 +12,10 @@ from scrapy.utils.misc import load_object, set_environ class TextTestResult(_TextTestResult): - def printSummary(self, start, stop): + def printSummary(self, start: float, stop: float) -> None: write = self.stream.write - writeln = self.stream.writeln + # _WritelnDecorator isn't implemented in typeshed yet + writeln = self.stream.writeln # type: ignore[attr-defined] run = self.testsRun plural = "s" if run != 1 else "" @@ -42,14 +45,14 @@ class Command(ScrapyCommand): requires_project = True default_settings = {"LOG_ENABLED": False} - def syntax(self): + def syntax(self) -> str: return "[options] " - def short_desc(self): + def short_desc(self) -> str: return "Check spider contracts" - def add_options(self, parser): - ScrapyCommand.add_options(self, parser) + def add_options(self, parser: argparse.ArgumentParser) -> None: + super().add_options(parser) parser.add_argument( "-l", "--list", @@ -66,7 +69,7 @@ class Command(ScrapyCommand): help="print contract tests for all spiders", ) - def run(self, args, opts): + def run(self, args: List[str], opts: argparse.Namespace) -> None: # load contracts contracts = build_component_list(self.settings.getwithbase("SPIDER_CONTRACTS")) conman = ContractsManager(load_object(c) for c in contracts) @@ -76,6 +79,7 @@ class Command(ScrapyCommand): # contract requests contract_reqs = defaultdict(list) + assert self.crawler_process spider_loader = self.crawler_process.spider_loader with set_environ(SCRAPY_CHECK="true"): diff --git a/scrapy/commands/crawl.py b/scrapy/commands/crawl.py index 2f0f1c7b9..6e023af81 100644 --- a/scrapy/commands/crawl.py +++ b/scrapy/commands/crawl.py @@ -1,3 +1,8 @@ +import argparse +from typing import List, cast + +from twisted.python.failure import Failure + from scrapy.commands import BaseRunSpiderCommand from scrapy.exceptions import UsageError @@ -5,13 +10,13 @@ from scrapy.exceptions import UsageError class Command(BaseRunSpiderCommand): requires_project = True - def syntax(self): + def syntax(self) -> str: return "[options] " - def short_desc(self): + def short_desc(self) -> str: return "Run a spider" - def run(self, args, opts): + def run(self, args: List[str], opts: argparse.Namespace) -> None: if len(args) < 1: raise UsageError() elif len(args) > 1: @@ -20,10 +25,11 @@ class Command(BaseRunSpiderCommand): ) spname = args[0] + assert self.crawler_process crawl_defer = self.crawler_process.crawl(spname, **opts.spargs) if getattr(crawl_defer, "result", None) is not None and issubclass( - crawl_defer.result.type, Exception + cast(Failure, crawl_defer.result).type, Exception ): self.exitcode = 1 else: diff --git a/scrapy/commands/edit.py b/scrapy/commands/edit.py index e85d2c9ec..04012bee8 100644 --- a/scrapy/commands/edit.py +++ b/scrapy/commands/edit.py @@ -1,5 +1,7 @@ +import argparse import os import sys +from typing import List from scrapy.commands import ScrapyCommand from scrapy.exceptions import UsageError @@ -9,32 +11,34 @@ class Command(ScrapyCommand): requires_project = True default_settings = {"LOG_ENABLED": False} - def syntax(self): + def syntax(self) -> str: return "" - def short_desc(self): + def short_desc(self) -> str: return "Edit spider" - def long_desc(self): + def long_desc(self) -> str: return ( "Edit a spider using the editor defined in the EDITOR environment" " variable or else the EDITOR setting" ) - def _err(self, msg): + def _err(self, msg: str) -> None: sys.stderr.write(msg + os.linesep) self.exitcode = 1 - def run(self, args, opts): + def run(self, args: List[str], opts: argparse.Namespace) -> None: if len(args) != 1: raise UsageError() editor = self.settings["EDITOR"] + assert self.crawler_process try: spidercls = self.crawler_process.spider_loader.load(args[0]) except KeyError: return self._err(f"Spider not found: {args[0]}") sfile = sys.modules[spidercls.__module__].__file__ + assert sfile sfile = sfile.replace(".pyc", ".py") self.exitcode = os.system(f'{editor} "{sfile}"') # nosec diff --git a/scrapy/commands/fetch.py b/scrapy/commands/fetch.py index cdb7ad4ae..1acf2d26f 100644 --- a/scrapy/commands/fetch.py +++ b/scrapy/commands/fetch.py @@ -1,13 +1,13 @@ import sys -from argparse import Namespace -from typing import List, Type +from argparse import ArgumentParser, Namespace +from typing import Dict, List, Type from w3lib.url import is_url from scrapy import Spider from scrapy.commands import ScrapyCommand from scrapy.exceptions import UsageError -from scrapy.http import Request +from scrapy.http import Request, Response from scrapy.utils.datatypes import SequenceExclude from scrapy.utils.spider import DefaultSpider, spidercls_for_request @@ -15,20 +15,20 @@ from scrapy.utils.spider import DefaultSpider, spidercls_for_request class Command(ScrapyCommand): requires_project = False - def syntax(self): + def syntax(self) -> str: return "[options] " - def short_desc(self): + def short_desc(self) -> str: return "Fetch a URL using the Scrapy downloader" - def long_desc(self): + def long_desc(self) -> str: return ( "Fetch a URL using the Scrapy downloader and print its content" " to stdout. You may want to use --nolog to disable logging" ) - def add_options(self, parser): - ScrapyCommand.add_options(self, parser) + def add_options(self, parser: ArgumentParser) -> None: + super().add_options(parser) parser.add_argument("--spider", dest="spider", help="use this spider") parser.add_argument( "--headers", @@ -44,20 +44,21 @@ class Command(ScrapyCommand): help="do not handle HTTP 3xx status codes and print response as-is", ) - def _print_headers(self, headers, prefix): + def _print_headers(self, headers: Dict[bytes, List[bytes]], prefix: bytes) -> None: for key, values in headers.items(): for value in values: self._print_bytes(prefix + b" " + key + b": " + value) - def _print_response(self, response, opts): + def _print_response(self, response: Response, opts: Namespace) -> None: if opts.headers: + assert response.request self._print_headers(response.request.headers, b">") print(">") self._print_headers(response.headers, b"<") else: self._print_bytes(response.body) - def _print_bytes(self, bytes_): + def _print_bytes(self, bytes_: bytes) -> None: sys.stdout.buffer.write(bytes_ + b"\n") def run(self, args: List[str], opts: Namespace) -> None: diff --git a/scrapy/commands/genspider.py b/scrapy/commands/genspider.py index 567ebcdc0..2649fb23d 100644 --- a/scrapy/commands/genspider.py +++ b/scrapy/commands/genspider.py @@ -1,9 +1,10 @@ +import argparse import os import shutil import string from importlib import import_module from pathlib import Path -from typing import Optional, cast +from typing import List, Optional, Union, cast from urllib.parse import urlparse import scrapy @@ -12,7 +13,7 @@ from scrapy.exceptions import UsageError from scrapy.utils.template import render_templatefile, string_camelcase -def sanitize_module_name(module_name): +def sanitize_module_name(module_name: str) -> str: """Sanitize the given module name, by replacing dashes and points with underscores and prefixing it with a letter if it doesn't start with one @@ -23,7 +24,7 @@ def sanitize_module_name(module_name): return module_name -def extract_domain(url): +def extract_domain(url: str) -> str: """Extract domain name from URL string""" o = urlparse(url) if o.scheme == "" and o.netloc == "": @@ -31,7 +32,7 @@ def extract_domain(url): return o.netloc -def verify_url_scheme(url): +def verify_url_scheme(url: str) -> str: """Check url for scheme and insert https if none found.""" parsed = urlparse(url) if parsed.scheme == "" and parsed.netloc == "": @@ -43,14 +44,14 @@ class Command(ScrapyCommand): requires_project = False default_settings = {"LOG_ENABLED": False} - def syntax(self): + def syntax(self) -> str: return "[options] " - def short_desc(self): + def short_desc(self) -> str: return "Generate new spider using pre-defined templates" - def add_options(self, parser): - ScrapyCommand.add_options(self, parser) + def add_options(self, parser: argparse.ArgumentParser) -> None: + super().add_options(parser) parser.add_argument( "-l", "--list", @@ -86,7 +87,7 @@ class Command(ScrapyCommand): help="If the spider already exists, overwrite it with the template", ) - def run(self, args, opts): + def run(self, args: List[str], opts: argparse.Namespace) -> None: if opts.list: self._list_templates() return @@ -115,7 +116,14 @@ class Command(ScrapyCommand): if opts.edit: self.exitcode = os.system(f'scrapy edit "{name}"') # nosec - def _genspider(self, module, name, url, template_name, template_file): + def _genspider( + self, + module: str, + name: str, + url: str, + template_name: str, + template_file: Union[str, os.PathLike], + ) -> None: """Generate the spider module, based on the given template""" capitalized_module = "".join(s.capitalize() for s in module.split("_")) domain = extract_domain(url) @@ -130,6 +138,7 @@ class Command(ScrapyCommand): } if self.settings.get("NEWSPIDER_MODULE"): spiders_module = import_module(self.settings["NEWSPIDER_MODULE"]) + assert spiders_module.__file__ spiders_dir = Path(spiders_module.__file__).parent.resolve() else: spiders_module = None @@ -152,7 +161,7 @@ class Command(ScrapyCommand): print('Use "scrapy genspider --list" to see all available templates.') return None - def _list_templates(self): + def _list_templates(self) -> None: print("Available templates:") for file in sorted(Path(self.templates_dir).iterdir()): if file.suffix == ".tmpl": diff --git a/scrapy/commands/list.py b/scrapy/commands/list.py index 2f5032360..dcc51a694 100644 --- a/scrapy/commands/list.py +++ b/scrapy/commands/list.py @@ -1,3 +1,6 @@ +import argparse +from typing import List + from scrapy.commands import ScrapyCommand @@ -5,9 +8,10 @@ class Command(ScrapyCommand): requires_project = True default_settings = {"LOG_ENABLED": False} - def short_desc(self): + def short_desc(self) -> str: return "List available spiders" - def run(self, args, opts): + def run(self, args: List[str], opts: argparse.Namespace) -> None: + assert self.crawler_process for s in sorted(self.crawler_process.spider_loader.list()): print(s) diff --git a/scrapy/commands/parse.py b/scrapy/commands/parse.py index c9f8586d3..2453c0d39 100644 --- a/scrapy/commands/parse.py +++ b/scrapy/commands/parse.py @@ -1,16 +1,32 @@ +import argparse import functools import inspect import json import logging -from typing import Dict +from types import CoroutineType +from typing import ( + Any, + AsyncGenerator, + Callable, + Dict, + Iterable, + List, + Optional, + Tuple, + TypeVar, + Union, + overload, +) from itemadapter import ItemAdapter, is_item -from twisted.internet.defer import maybeDeferred +from twisted.internet.defer import Deferred, maybeDeferred +from twisted.python.failure import Failure from w3lib.url import is_url from scrapy.commands import BaseRunSpiderCommand from scrapy.exceptions import UsageError -from scrapy.http import Request +from scrapy.http import Request, Response +from scrapy.spiders import Spider from scrapy.utils import display from scrapy.utils.asyncgen import collect_asyncgen from scrapy.utils.defer import aiter_errback, deferred_from_coro @@ -20,24 +36,26 @@ from scrapy.utils.spider import spidercls_for_request logger = logging.getLogger(__name__) +_T = TypeVar("_T") + class Command(BaseRunSpiderCommand): requires_project = True spider = None - items: Dict[int, list] = {} - requests: Dict[int, list] = {} + items: Dict[int, List[Any]] = {} + requests: Dict[int, List[Request]] = {} first_response = None - def syntax(self): + def syntax(self) -> str: return "[options] " - def short_desc(self): + def short_desc(self) -> str: return "Parse URL (using its spider) and print the results" - def add_options(self, parser): - BaseRunSpiderCommand.add_options(self, parser) + def add_options(self, parser: argparse.ArgumentParser) -> None: + super().add_options(parser) parser.add_argument( "--spider", dest="spider", @@ -106,7 +124,7 @@ class Command(BaseRunSpiderCommand): ) @property - def max_level(self): + def max_level(self) -> int: max_items, max_requests = 0, 0 if self.items: max_items = max(self.items) @@ -114,13 +132,21 @@ class Command(BaseRunSpiderCommand): max_requests = max(self.requests) return max(max_items, max_requests) - def handle_exception(self, _failure): + def handle_exception(self, _failure: Failure) -> None: logger.error( "An error is caught while iterating the async iterable", exc_info=failure_to_exc_info(_failure), ) - def iterate_spider_output(self, result): + @overload + def iterate_spider_output( + self, result: Union[AsyncGenerator, CoroutineType] + ) -> Deferred: ... + + @overload + def iterate_spider_output(self, result: _T) -> Iterable: ... + + def iterate_spider_output(self, result: Any) -> Union[Iterable, Deferred]: if inspect.isasyncgen(result): d = deferred_from_coro( collect_asyncgen(aiter_errback(result, self.handle_exception)) @@ -133,15 +159,15 @@ class Command(BaseRunSpiderCommand): return d return arg_to_iter(deferred_from_coro(result)) - def add_items(self, lvl, new_items): + def add_items(self, lvl: int, new_items: List[Any]) -> None: old_items = self.items.get(lvl, []) self.items[lvl] = old_items + new_items - def add_requests(self, lvl, new_reqs): + def add_requests(self, lvl: int, new_reqs: List[Request]) -> None: old_reqs = self.requests.get(lvl, []) self.requests[lvl] = old_reqs + new_reqs - def print_items(self, lvl=None, colour=True): + def print_items(self, lvl: Optional[int] = None, colour: bool = True) -> None: if lvl is None: items = [item for lst in self.items.values() for item in lst] else: @@ -150,7 +176,7 @@ class Command(BaseRunSpiderCommand): print("# Scraped Items ", "-" * 60) display.pprint([ItemAdapter(x).asdict() for x in items], colorize=colour) - def print_requests(self, lvl=None, colour=True): + def print_requests(self, lvl: Optional[int] = None, colour: bool = True) -> None: if lvl is None: if self.requests: requests = self.requests[max(self.requests)] @@ -162,7 +188,7 @@ class Command(BaseRunSpiderCommand): print("# Requests ", "-" * 65) display.pprint(requests, colorize=colour) - def print_results(self, opts): + def print_results(self, opts: argparse.Namespace) -> None: colour = not opts.nocolour if opts.verbose: @@ -179,7 +205,14 @@ class Command(BaseRunSpiderCommand): if not opts.nolinks: self.print_requests(colour=colour) - def _get_items_and_requests(self, spider_output, opts, depth, spider, callback): + def _get_items_and_requests( + self, + spider_output: Iterable[Any], + opts: argparse.Namespace, + depth: int, + spider: Spider, + callback: Callable, + ) -> Tuple[List[Any], List[Request], argparse.Namespace, int, Spider, Callable]: items, requests = [], [] for x in spider_output: if is_item(x): @@ -188,14 +221,21 @@ class Command(BaseRunSpiderCommand): requests.append(x) return items, requests, opts, depth, spider, callback - def run_callback(self, response, callback, cb_kwargs=None): + def run_callback( + self, + response: Response, + callback: Callable, + cb_kwargs: Optional[Dict[str, Any]] = None, + ) -> Deferred: cb_kwargs = cb_kwargs or {} d = maybeDeferred(self.iterate_spider_output, callback(response, **cb_kwargs)) return d - def get_callback_from_rules(self, spider, response): + def get_callback_from_rules( + self, spider: Spider, response: Response + ) -> Union[Callable, str, None]: if getattr(spider, "rules", None): - for rule in spider.rules: + for rule in spider.rules: # type: ignore[attr-defined] if rule.link_extractor.matches(response.url): return rule.callback or "parse" else: @@ -204,8 +244,10 @@ class Command(BaseRunSpiderCommand): "please specify a callback to use for parsing", {"spider": spider.name}, ) + return None - def set_spidercls(self, url, opts): + def set_spidercls(self, url: str, opts: argparse.Namespace) -> None: + assert self.crawler_process spider_loader = self.crawler_process.spider_loader if opts.spider: try: @@ -219,13 +261,14 @@ class Command(BaseRunSpiderCommand): if not self.spidercls: logger.error("Unable to find spider for: %(url)s", {"url": url}) - def _start_requests(spider): + def _start_requests(spider: Spider) -> Iterable[Request]: yield self.prepare_request(spider, Request(url), opts) if self.spidercls: self.spidercls.start_requests = _start_requests - def start_parsing(self, url, opts): + def start_parsing(self, url: str, opts: argparse.Namespace) -> None: + assert self.crawler_process self.crawler_process.crawl(self.spidercls, **opts.spargs) self.pcrawler = list(self.crawler_process.crawlers)[0] self.crawler_process.start() @@ -233,7 +276,12 @@ class Command(BaseRunSpiderCommand): if not self.first_response: logger.error("No response downloaded for: %(url)s", {"url": url}) - def scraped_data(self, args): + def scraped_data( + self, + args: Tuple[ + List[Any], List[Request], argparse.Namespace, int, Spider, Callable + ], + ) -> List[Any]: items, requests, opts, depth, spider, callback = args if opts.pipelines: itemproc = self.pcrawler.engine.scraper.itemproc @@ -252,8 +300,14 @@ class Command(BaseRunSpiderCommand): return scraped_data - def _get_callback(self, *, spider, opts, response=None): - cb = None + def _get_callback( + self, + *, + spider: Spider, + opts: argparse.Namespace, + response: Optional[Response] = None, + ) -> Callable: + cb: Union[str, Callable, None] = None if response: cb = response.meta["_callback"] if not cb: @@ -270,6 +324,7 @@ class Command(BaseRunSpiderCommand): cb = "parse" if not callable(cb): + assert cb is not None cb_method = getattr(spider, cb, None) if callable(cb_method): cb = cb_method @@ -277,10 +332,13 @@ class Command(BaseRunSpiderCommand): raise ValueError( f"Cannot find callback {cb!r} in spider: {spider.name}" ) + assert callable(cb) return cb - def prepare_request(self, spider, request, opts): - def callback(response, **cb_kwargs): + def prepare_request( + self, spider: Spider, request: Request, opts: argparse.Namespace + ) -> Request: + def callback(response: Response, **cb_kwargs: Any) -> Deferred: # memorize first request if not self.first_response: self.first_response = response @@ -288,7 +346,7 @@ class Command(BaseRunSpiderCommand): cb = self._get_callback(spider=spider, opts=opts, response=response) # parse items and requests - depth = response.meta["_depth"] + depth: int = response.meta["_depth"] d = self.run_callback(response, cb, cb_kwargs) d.addCallback(self._get_items_and_requests, opts, depth, spider, callback) @@ -311,13 +369,13 @@ class Command(BaseRunSpiderCommand): request.callback = callback return request - def process_options(self, args, opts): - BaseRunSpiderCommand.process_options(self, args, opts) + def process_options(self, args: List[str], opts: argparse.Namespace) -> None: + super().process_options(args, opts) self.process_request_meta(opts) self.process_request_cb_kwargs(opts) - def process_request_meta(self, opts): + def process_request_meta(self, opts: argparse.Namespace) -> None: if opts.meta: try: opts.meta = json.loads(opts.meta) @@ -328,7 +386,7 @@ class Command(BaseRunSpiderCommand): print_help=False, ) - def process_request_cb_kwargs(self, opts): + def process_request_cb_kwargs(self, opts: argparse.Namespace) -> None: if opts.cbkwargs: try: opts.cbkwargs = json.loads(opts.cbkwargs) @@ -339,7 +397,7 @@ class Command(BaseRunSpiderCommand): print_help=False, ) - def run(self, args, opts): + def run(self, args: List[str], opts: argparse.Namespace) -> None: # parse arguments if not len(args) == 1 or not is_url(args[0]): raise UsageError() diff --git a/scrapy/commands/runspider.py b/scrapy/commands/runspider.py index 58ed89a81..77850e7b5 100644 --- a/scrapy/commands/runspider.py +++ b/scrapy/commands/runspider.py @@ -1,9 +1,10 @@ +import argparse import sys from importlib import import_module from os import PathLike from pathlib import Path from types import ModuleType -from typing import Union +from typing import List, Union from scrapy.commands import BaseRunSpiderCommand from scrapy.exceptions import UsageError @@ -27,16 +28,16 @@ class Command(BaseRunSpiderCommand): requires_project = False default_settings = {"SPIDER_LOADER_WARN_ONLY": True} - def syntax(self): + def syntax(self) -> str: return "[options] " - def short_desc(self): + def short_desc(self) -> str: return "Run a self-contained spider (without creating a project)" - def long_desc(self): + def long_desc(self) -> str: return "Run the spider defined in the given file" - def run(self, args, opts): + def run(self, args: List[str], opts: argparse.Namespace) -> None: if len(args) != 1: raise UsageError() filename = Path(args[0]) @@ -51,6 +52,7 @@ class Command(BaseRunSpiderCommand): raise UsageError(f"No spider found in file: {filename}\n") spidercls = spclasses.pop() + assert self.crawler_process self.crawler_process.crawl(spidercls, **opts.spargs) self.crawler_process.start() diff --git a/scrapy/commands/settings.py b/scrapy/commands/settings.py index 318187204..dbda73b44 100644 --- a/scrapy/commands/settings.py +++ b/scrapy/commands/settings.py @@ -1,4 +1,6 @@ +import argparse import json +from typing import List from scrapy.commands import ScrapyCommand from scrapy.settings import BaseSettings @@ -8,14 +10,14 @@ class Command(ScrapyCommand): requires_project = False default_settings = {"LOG_ENABLED": False, "SPIDER_LOADER_WARN_ONLY": True} - def syntax(self): + def syntax(self) -> str: return "[options]" - def short_desc(self): + def short_desc(self) -> str: return "Get settings values" - def add_options(self, parser): - ScrapyCommand.add_options(self, parser) + def add_options(self, parser: argparse.ArgumentParser) -> None: + super().add_options(parser) parser.add_argument( "--get", dest="get", metavar="SETTING", help="print raw setting value" ) @@ -44,7 +46,8 @@ class Command(ScrapyCommand): help="print setting value, interpreted as a list", ) - def run(self, args, opts): + def run(self, args: List[str], opts: argparse.Namespace) -> None: + assert self.crawler_process settings = self.crawler_process.settings if opts.get: s = settings.get(opts.get) diff --git a/scrapy/commands/shell.py b/scrapy/commands/shell.py index f72a23c6a..668c95a7b 100644 --- a/scrapy/commands/shell.py +++ b/scrapy/commands/shell.py @@ -4,9 +4,9 @@ Scrapy Shell See documentation in docs/topics/shell.rst """ -from argparse import Namespace +from argparse import ArgumentParser, Namespace from threading import Thread -from typing import List, Type +from typing import Any, Dict, List, Type from scrapy import Spider from scrapy.commands import ScrapyCommand @@ -24,20 +24,20 @@ class Command(ScrapyCommand): "DUPEFILTER_CLASS": "scrapy.dupefilters.BaseDupeFilter", } - def syntax(self): + def syntax(self) -> str: return "[url|file]" - def short_desc(self): + def short_desc(self) -> str: return "Interactive scraping console" - def long_desc(self): + def long_desc(self) -> str: return ( "Interactive console for scraping the given url or file. " "Use ./file.html syntax or full path for local file." ) - def add_options(self, parser): - ScrapyCommand.add_options(self, parser) + def add_options(self, parser: ArgumentParser) -> None: + super().add_options(parser) parser.add_argument( "-c", dest="code", @@ -52,7 +52,7 @@ class Command(ScrapyCommand): help="do not handle HTTP 3xx status codes and print response as-is", ) - def update_vars(self, vars): + def update_vars(self, vars: Dict[str, Any]) -> None: """You can use this function to update the Scrapy objects that will be available in the shell """ @@ -88,7 +88,8 @@ class Command(ScrapyCommand): shell = Shell(crawler, update_vars=self.update_vars, code=opts.code) shell.start(url=url, redirect=not opts.no_redirect) - def _start_crawler_thread(self): + def _start_crawler_thread(self) -> None: + assert self.crawler_process t = Thread( target=self.crawler_process.start, kwargs={"stop_after_crawl": False, "install_signal_handlers": False}, diff --git a/scrapy/commands/startproject.py b/scrapy/commands/startproject.py index fde609c6f..58c1aa28f 100644 --- a/scrapy/commands/startproject.py +++ b/scrapy/commands/startproject.py @@ -1,3 +1,4 @@ +import argparse import os import re import string @@ -5,13 +6,14 @@ from importlib.util import find_spec from pathlib import Path from shutil import copy2, copystat, ignore_patterns, move from stat import S_IWUSR as OWNER_WRITE_PERMISSION +from typing import List, Tuple, Union import scrapy from scrapy.commands import ScrapyCommand from scrapy.exceptions import UsageError from scrapy.utils.template import render_templatefile, string_camelcase -TEMPLATES_TO_RENDER = ( +TEMPLATES_TO_RENDER: Tuple[Tuple[str, ...], ...] = ( ("scrapy.cfg",), ("${project_name}", "settings.py.tmpl"), ("${project_name}", "items.py.tmpl"), @@ -22,7 +24,7 @@ TEMPLATES_TO_RENDER = ( IGNORE = ignore_patterns("*.pyc", "__pycache__", ".svn") -def _make_writable(path): +def _make_writable(path: Union[str, os.PathLike]) -> None: current_permissions = os.stat(path).st_mode os.chmod(path, current_permissions | OWNER_WRITE_PERMISSION) @@ -31,14 +33,14 @@ class Command(ScrapyCommand): requires_project = False default_settings = {"LOG_ENABLED": False, "SPIDER_LOADER_WARN_ONLY": True} - def syntax(self): + def syntax(self) -> str: return " [project_dir]" - def short_desc(self): + def short_desc(self) -> str: return "Create new project" - def _is_valid_name(self, project_name): - def _module_exists(module_name): + def _is_valid_name(self, project_name: str) -> bool: + def _module_exists(module_name: str) -> bool: spec = find_spec(module_name) return spec is not None and spec.loader is not None @@ -53,7 +55,7 @@ class Command(ScrapyCommand): return True return False - def _copytree(self, src: Path, dst: Path): + def _copytree(self, src: Path, dst: Path) -> None: """ Since the original function always creates the directory, to resolve the issue a new function had to be created. It's a simple copy and @@ -84,7 +86,7 @@ class Command(ScrapyCommand): copystat(src, dst) _make_writable(dst) - def run(self, args, opts): + def run(self, args: List[str], opts: argparse.Namespace) -> None: if len(args) not in (1, 2): raise UsageError() @@ -105,7 +107,9 @@ class Command(ScrapyCommand): return self._copytree(Path(self.templates_dir), project_dir.resolve()) - move(project_dir / "module", project_dir / project_name) + # On 3.8 shutil.move doesn't fully support Path args, but it supports our use case + # See https://bugs.python.org/issue32689 + move(project_dir / "module", project_dir / project_name) # type: ignore[arg-type] for paths in TEMPLATES_TO_RENDER: tplfile = Path( project_dir, diff --git a/scrapy/commands/version.py b/scrapy/commands/version.py index 47582866b..f057e8544 100644 --- a/scrapy/commands/version.py +++ b/scrapy/commands/version.py @@ -1,3 +1,6 @@ +import argparse +from typing import List + import scrapy from scrapy.commands import ScrapyCommand from scrapy.utils.versions import scrapy_components_versions @@ -6,14 +9,14 @@ from scrapy.utils.versions import scrapy_components_versions class Command(ScrapyCommand): default_settings = {"LOG_ENABLED": False, "SPIDER_LOADER_WARN_ONLY": True} - def syntax(self): + def syntax(self) -> str: return "[-v]" - def short_desc(self): + def short_desc(self) -> str: return "Print Scrapy version" - def add_options(self, parser): - ScrapyCommand.add_options(self, parser) + def add_options(self, parser: argparse.ArgumentParser) -> None: + super().add_options(parser) parser.add_argument( "--verbose", "-v", @@ -22,7 +25,7 @@ class Command(ScrapyCommand): help="also display twisted/python/platform info (useful for bug reports)", ) - def run(self, args, opts): + def run(self, args: List[str], opts: argparse.Namespace) -> None: if opts.verbose: versions = scrapy_components_versions() width = max(len(n) for (n, _) in versions) diff --git a/scrapy/commands/view.py b/scrapy/commands/view.py index ebdfa10a8..21679e3aa 100644 --- a/scrapy/commands/view.py +++ b/scrapy/commands/view.py @@ -1,21 +1,28 @@ import argparse +import logging from scrapy.commands import fetch +from scrapy.http import Response, TextResponse from scrapy.utils.response import open_in_browser +logger = logging.getLogger(__name__) + class Command(fetch.Command): - def short_desc(self): + def short_desc(self) -> str: return "Open URL in browser, as seen by Scrapy" - def long_desc(self): + def long_desc(self) -> str: return ( "Fetch a URL using the Scrapy downloader and show its contents in a browser" ) - def add_options(self, parser): + def add_options(self, parser: argparse.ArgumentParser) -> None: super().add_options(parser) parser.add_argument("--headers", help=argparse.SUPPRESS) - def _print_response(self, response, opts): + def _print_response(self, response: Response, opts: argparse.Namespace) -> None: + if not isinstance(response, TextResponse): + logger.error("Cannot view a non-text response.") + return open_in_browser(response) diff --git a/scrapy/shell.py b/scrapy/shell.py index 63ea33892..fac42e8a2 100644 --- a/scrapy/shell.py +++ b/scrapy/shell.py @@ -6,6 +6,7 @@ See documentation in docs/topics/shell.rst import os import signal +from typing import Any, Callable, Dict, Optional, Tuple, Union from itemadapter import is_item from twisted.internet import defer, threads @@ -26,18 +27,32 @@ from scrapy.utils.response import open_in_browser class Shell: - relevant_classes = (Crawler, Spider, Request, Response, Settings) + relevant_classes: Tuple[type, ...] = (Crawler, Spider, Request, Response, Settings) - def __init__(self, crawler, update_vars=None, code=None): - self.crawler = crawler - self.update_vars = update_vars or (lambda x: None) - self.item_class = load_object(crawler.settings["DEFAULT_ITEM_CLASS"]) - self.spider = None - self.inthread = not threadable.isInIOThread() - self.code = code - self.vars = {} + def __init__( + self, + crawler: Crawler, + update_vars: Optional[Callable[[Dict[str, Any]], None]] = None, + code: Optional[str] = None, + ): + self.crawler: Crawler = crawler + self.update_vars: Callable[[Dict[str, Any]], None] = update_vars or ( + lambda x: None + ) + self.item_class: type = load_object(crawler.settings["DEFAULT_ITEM_CLASS"]) + self.spider: Optional[Spider] = None + self.inthread: bool = not threadable.isInIOThread() + self.code: Optional[str] = code + self.vars: Dict[str, Any] = {} - def start(self, url=None, request=None, response=None, spider=None, redirect=True): + def start( + self, + url: Optional[str] = None, + request: Optional[Request] = None, + response: Optional[Response] = None, + spider: Optional[Spider] = None, + redirect: bool = True, + ) -> None: # disable accidental Ctrl-C key press from shutting down the engine signal.signal(signal.SIGINT, signal.SIG_IGN) if url: @@ -77,7 +92,7 @@ class Shell: self.vars, shells=shells, banner=self.vars.pop("banner", "") ) - def _schedule(self, request, spider): + def _schedule(self, request: Request, spider: Optional[Spider]) -> defer.Deferred: if is_asyncio_reactor_installed(): # set the asyncio event loop for the current thread event_loop_path = self.crawler.settings["ASYNCIO_EVENT_LOOP"] @@ -85,10 +100,11 @@ class Shell: spider = self._open_spider(request, spider) d = _request_deferred(request) d.addCallback(lambda x: (x, spider)) + assert self.crawler.engine self.crawler.engine.crawl(request) return d - def _open_spider(self, request, spider): + def _open_spider(self, request: Request, spider: Optional[Spider]) -> Spider: if self.spider: return self.spider @@ -96,11 +112,18 @@ class Shell: spider = self.crawler.spider or self.crawler._create_spider() self.crawler.spider = spider + assert self.crawler.engine self.crawler.engine.open_spider(spider, close_if_idle=False) self.spider = spider return spider - def fetch(self, request_or_url, spider=None, redirect=True, **kwargs): + def fetch( + self, + request_or_url: Union[Request, str], + spider: Optional[Spider] = None, + redirect: bool = True, + **kwargs: Any, + ) -> None: from twisted.internet import reactor if isinstance(request_or_url, Request): @@ -123,7 +146,12 @@ class Shell: pass self.populate_vars(response, request, spider) - def populate_vars(self, response=None, request=None, spider=None): + def populate_vars( + self, + response: Optional[Response] = None, + request: Optional[Request] = None, + spider: Optional[Spider] = None, + ) -> None: import scrapy self.vars["scrapy"] = scrapy @@ -141,10 +169,10 @@ class Shell: if not self.code: self.vars["banner"] = self.get_help() - def print_help(self): + def print_help(self) -> None: print(self.get_help()) - def get_help(self): + def get_help(self) -> str: b = [] b.append("Available Scrapy objects:") b.append( @@ -168,11 +196,11 @@ class Shell: return "\n".join(f"[s] {line}" for line in b) - def _is_relevant(self, value): + def _is_relevant(self, value: Any) -> bool: return isinstance(value, self.relevant_classes) or is_item(value) -def inspect_response(response, spider): +def inspect_response(response: Response, spider: Spider) -> None: """Open a shell to inspect the given response""" # Shell.start removes the SIGINT handler, so save it and re-add it after # the shell has closed @@ -181,7 +209,7 @@ def inspect_response(response, spider): signal.signal(signal.SIGINT, sigint_handler) -def _request_deferred(request): +def _request_deferred(request: Request) -> defer.Deferred: """Wrap a request inside a Deferred. This function is harmful, do not use it until you know what you are doing. @@ -195,12 +223,12 @@ def _request_deferred(request): request_callback = request.callback request_errback = request.errback - def _restore_callbacks(result): + def _restore_callbacks(result: Any) -> Any: request.callback = request_callback request.errback = request_errback return result - d = defer.Deferred() + d: defer.Deferred = defer.Deferred() d.addBoth(_restore_callbacks) if request.callback: d.addCallbacks(request.callback, request.errback) diff --git a/scrapy/utils/console.py b/scrapy/utils/console.py index 100f040bb..bf1803115 100644 --- a/scrapy/utils/console.py +++ b/scrapy/utils/console.py @@ -1,17 +1,27 @@ from functools import wraps +from typing import Any, Callable, Dict, Iterable, Optional + +EmbedFuncT = Callable[..., None] +KnownShellsT = Dict[str, Callable[..., EmbedFuncT]] -def _embed_ipython_shell(namespace={}, banner=""): +def _embed_ipython_shell( + namespace: Dict[str, Any] = {}, banner: str = "" +) -> EmbedFuncT: """Start an IPython Shell""" try: from IPython.terminal.embed import InteractiveShellEmbed from IPython.terminal.ipapp import load_default_config except ImportError: - from IPython.frontend.terminal.embed import InteractiveShellEmbed - from IPython.frontend.terminal.ipapp import load_default_config + from IPython.frontend.terminal.embed import ( # type: ignore[no-redef] + InteractiveShellEmbed, + ) + from IPython.frontend.terminal.ipapp import ( # type: ignore[no-redef] + load_default_config, + ) @wraps(_embed_ipython_shell) - def wrapper(namespace=namespace, banner=""): + def wrapper(namespace: Dict[str, Any] = namespace, banner: str = "") -> None: config = load_default_config() # Always use .instance() to ensure _instance propagation to all parents # this is needed for completion works well for new imports @@ -26,30 +36,36 @@ def _embed_ipython_shell(namespace={}, banner=""): return wrapper -def _embed_bpython_shell(namespace={}, banner=""): +def _embed_bpython_shell( + namespace: Dict[str, Any] = {}, banner: str = "" +) -> EmbedFuncT: """Start a bpython shell""" import bpython @wraps(_embed_bpython_shell) - def wrapper(namespace=namespace, banner=""): + def wrapper(namespace: Dict[str, Any] = namespace, banner: str = "") -> None: bpython.embed(locals_=namespace, banner=banner) return wrapper -def _embed_ptpython_shell(namespace={}, banner=""): +def _embed_ptpython_shell( + namespace: Dict[str, Any] = {}, banner: str = "" +) -> EmbedFuncT: """Start a ptpython shell""" import ptpython.repl @wraps(_embed_ptpython_shell) - def wrapper(namespace=namespace, banner=""): + def wrapper(namespace: Dict[str, Any] = namespace, banner: str = "") -> None: print(banner) ptpython.repl.embed(locals=namespace) return wrapper -def _embed_standard_shell(namespace={}, banner=""): +def _embed_standard_shell( + namespace: Dict[str, Any] = {}, banner: str = "" +) -> EmbedFuncT: """Start a standard python shell""" import code @@ -63,13 +79,13 @@ def _embed_standard_shell(namespace={}, banner=""): readline.parse_and_bind("tab:complete") @wraps(_embed_standard_shell) - def wrapper(namespace=namespace, banner=""): + def wrapper(namespace: Dict[str, Any] = namespace, banner: str = "") -> None: code.interact(banner=banner, local=namespace) return wrapper -DEFAULT_PYTHON_SHELLS = { +DEFAULT_PYTHON_SHELLS: KnownShellsT = { "ptpython": _embed_ptpython_shell, "ipython": _embed_ipython_shell, "bpython": _embed_bpython_shell, @@ -77,7 +93,9 @@ DEFAULT_PYTHON_SHELLS = { } -def get_shell_embed_func(shells=None, known_shells=None): +def get_shell_embed_func( + shells: Optional[Iterable[str]] = None, known_shells: Optional[KnownShellsT] = None +) -> Any: """Return the first acceptable shell-embed function from a given list of shell names. """ @@ -95,7 +113,11 @@ def get_shell_embed_func(shells=None, known_shells=None): continue -def start_python_console(namespace=None, banner="", shells=None): +def start_python_console( + namespace: Optional[Dict[str, Any]] = None, + banner: str = "", + shells: Optional[Iterable[str]] = None, +) -> None: """Start Python console bound to the given namespace. Readline support and tab completion will be used on Unix, if available. """ diff --git a/scrapy/utils/response.py b/scrapy/utils/response.py index 63a484b42..a0b06f75c 100644 --- a/scrapy/utils/response.py +++ b/scrapy/utils/response.py @@ -3,24 +3,27 @@ This module provides some useful functions for working with scrapy.http.Response objects """ +from __future__ import annotations + import os import re import tempfile import webbrowser -from typing import Any, Callable, Iterable, Tuple, Union +from typing import TYPE_CHECKING, Any, Callable, Iterable, Tuple, Union from weakref import WeakKeyDictionary from twisted.web import http from w3lib import html -import scrapy -from scrapy.http.response import Response from scrapy.utils.python import to_bytes, to_unicode -_baseurl_cache: "WeakKeyDictionary[Response, str]" = WeakKeyDictionary() +if TYPE_CHECKING: + from scrapy.http import Response, TextResponse + +_baseurl_cache: WeakKeyDictionary[Response, str] = WeakKeyDictionary() -def get_base_url(response: "scrapy.http.response.text.TextResponse") -> str: +def get_base_url(response: TextResponse) -> str: """Return the base url of the given response, joined with the response url""" if response not in _baseurl_cache: text = response.text[0:4096] @@ -30,13 +33,13 @@ def get_base_url(response: "scrapy.http.response.text.TextResponse") -> str: return _baseurl_cache[response] -_metaref_cache: ( - "WeakKeyDictionary[Response, Union[Tuple[None, None], Tuple[float, str]]]" -) = WeakKeyDictionary() +_metaref_cache: WeakKeyDictionary[ + Response, Union[Tuple[None, None], Tuple[float, str]] +] = WeakKeyDictionary() def get_meta_refresh( - response: "scrapy.http.response.text.TextResponse", + response: TextResponse, ignore_tags: Iterable[str] = ("script", "noscript"), ) -> Union[Tuple[None, None], Tuple[float, str]]: """Parse the http-equiv refresh parameter from the given response""" @@ -68,10 +71,7 @@ def _remove_html_comments(body): def open_in_browser( - response: Union[ - "scrapy.http.response.html.HtmlResponse", - "scrapy.http.response.text.TextResponse", - ], + response: TextResponse, _openfunc: Callable[[str], Any] = webbrowser.open, ) -> Any: """Open *response* in a local web browser, adjusting the `base tag`_ for From 8985a04bd1328cd6156a7c33a5db74ad8c81802f Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Fri, 8 Mar 2024 10:57:03 +0500 Subject: [PATCH 123/786] Full typing for scrapy/exporters.py. (#6275) --- scrapy/exporters.py | 150 ++++++++++++++++++-------------- scrapy/extensions/feedexport.py | 11 +-- 2 files changed, 89 insertions(+), 72 deletions(-) diff --git a/scrapy/exporters.py b/scrapy/exporters.py index 79fd4e56f..fb4998099 100644 --- a/scrapy/exporters.py +++ b/scrapy/exporters.py @@ -3,16 +3,18 @@ Item Exporters are used to export/serialize items into different formats. """ import csv -import io import marshal import pickle # nosec import pprint -from collections.abc import Mapping +from io import BytesIO, TextIOWrapper +from json import JSONEncoder +from typing import Any, Callable, Dict, Iterable, Mapping, Optional, Tuple, Union from xml.sax.saxutils import XMLGenerator # nosec +from xml.sax.xmlreader import AttributesImpl # nosec from itemadapter import ItemAdapter, is_item -from scrapy.item import Item +from scrapy.item import Field, Item from scrapy.utils.python import is_listlike, to_bytes, to_unicode from scrapy.utils.serialize import ScrapyJSONEncoder @@ -29,36 +31,42 @@ __all__ = [ class BaseItemExporter: - def __init__(self, *, dont_fail=False, **kwargs): - self._kwargs = kwargs + def __init__(self, *, dont_fail: bool = False, **kwargs: Any): + self._kwargs: Dict[str, Any] = kwargs self._configure(kwargs, dont_fail=dont_fail) - def _configure(self, options, dont_fail=False): + def _configure(self, options: Dict[str, Any], dont_fail: bool = False) -> None: """Configure the exporter by popping options from the ``options`` dict. If dont_fail is set, it won't raise an exception on unexpected options (useful for using with keyword arguments in subclasses ``__init__`` methods) """ - self.encoding = options.pop("encoding", None) - self.fields_to_export = options.pop("fields_to_export", None) - self.export_empty_fields = options.pop("export_empty_fields", False) - self.indent = options.pop("indent", None) + self.encoding: Optional[str] = options.pop("encoding", None) + self.fields_to_export: Union[Mapping[str, str], Iterable[str], None] = ( + options.pop("fields_to_export", None) + ) + self.export_empty_fields: bool = options.pop("export_empty_fields", False) + self.indent: Optional[int] = options.pop("indent", None) if not dont_fail and options: raise TypeError(f"Unexpected options: {', '.join(options.keys())}") - def export_item(self, item): + def export_item(self, item: Any) -> None: raise NotImplementedError - def serialize_field(self, field, name, value): - serializer = field.get("serializer", lambda x: x) + def serialize_field( + self, field: Union[Mapping[str, Any], Field], name: str, value: Any + ) -> Any: + serializer: Callable[[Any], Any] = field.get("serializer", lambda x: x) return serializer(value) - def start_exporting(self): + def start_exporting(self) -> None: pass - def finish_exporting(self): + def finish_exporting(self) -> None: pass - def _get_serialized_fields(self, item, default_value=None, include_empty=None): + def _get_serialized_fields( + self, item: Any, default_value: Any = None, include_empty: Optional[bool] = None + ) -> Iterable[Tuple[str, Any]]: """Return the fields to export as an iterable of tuples (name, serialized_value) """ @@ -100,22 +108,22 @@ class BaseItemExporter: class JsonLinesItemExporter(BaseItemExporter): - def __init__(self, file, **kwargs): + def __init__(self, file: BytesIO, **kwargs: Any): super().__init__(dont_fail=True, **kwargs) - self.file = file + self.file: BytesIO = file self._kwargs.setdefault("ensure_ascii", not self.encoding) - self.encoder = ScrapyJSONEncoder(**self._kwargs) + self.encoder: JSONEncoder = ScrapyJSONEncoder(**self._kwargs) - def export_item(self, item): + def export_item(self, item: Any) -> None: itemdict = dict(self._get_serialized_fields(item)) data = self.encoder.encode(itemdict) + "\n" self.file.write(to_bytes(data, self.encoding)) class JsonItemExporter(BaseItemExporter): - def __init__(self, file, **kwargs): + def __init__(self, file: BytesIO, **kwargs: Any): super().__init__(dont_fail=True, **kwargs) - self.file = file + self.file: BytesIO = file # there is a small difference between the behaviour or JsonItemExporter.indent # and ScrapyJSONEncoder.indent. ScrapyJSONEncoder.indent=None is needed to prevent # the addition of newlines everywhere @@ -127,26 +135,26 @@ class JsonItemExporter(BaseItemExporter): self.encoder = ScrapyJSONEncoder(**self._kwargs) self.first_item = True - def _beautify_newline(self): + def _beautify_newline(self) -> None: if self.indent is not None: self.file.write(b"\n") - def _add_comma_after_first(self): + def _add_comma_after_first(self) -> None: if self.first_item: self.first_item = False else: self.file.write(b",") self._beautify_newline() - def start_exporting(self): + def start_exporting(self) -> None: self.file.write(b"[") self._beautify_newline() - def finish_exporting(self): + def finish_exporting(self) -> None: self._beautify_newline() self.file.write(b"]") - def export_item(self, item): + def export_item(self, item: Any) -> None: itemdict = dict(self._get_serialized_fields(item)) data = to_bytes(self.encoder.encode(itemdict), self.encoding) self._add_comma_after_first() @@ -154,7 +162,7 @@ class JsonItemExporter(BaseItemExporter): class XmlItemExporter(BaseItemExporter): - def __init__(self, file, **kwargs): + def __init__(self, file: BytesIO, **kwargs: Any): self.item_element = kwargs.pop("item_element", "item") self.root_element = kwargs.pop("root_element", "items") super().__init__(**kwargs) @@ -162,22 +170,22 @@ class XmlItemExporter(BaseItemExporter): self.encoding = "utf-8" self.xg = XMLGenerator(file, encoding=self.encoding) - def _beautify_newline(self, new_item=False): + def _beautify_newline(self, new_item: bool = False) -> None: if self.indent is not None and (self.indent > 0 or new_item): self.xg.characters("\n") - def _beautify_indent(self, depth=1): + def _beautify_indent(self, depth: int = 1) -> None: if self.indent: self.xg.characters(" " * self.indent * depth) - def start_exporting(self): + def start_exporting(self) -> None: self.xg.startDocument() - self.xg.startElement(self.root_element, {}) + self.xg.startElement(self.root_element, AttributesImpl({})) self._beautify_newline(new_item=True) - def export_item(self, item): + def export_item(self, item: Any) -> None: self._beautify_indent(depth=1) - self.xg.startElement(self.item_element, {}) + self.xg.startElement(self.item_element, AttributesImpl({})) self._beautify_newline() for name, value in self._get_serialized_fields(item, default_value=""): self._export_xml_field(name, value, depth=2) @@ -185,13 +193,13 @@ class XmlItemExporter(BaseItemExporter): self.xg.endElement(self.item_element) self._beautify_newline(new_item=True) - def finish_exporting(self): + def finish_exporting(self) -> None: self.xg.endElement(self.root_element) self.xg.endDocument() - def _export_xml_field(self, name, serialized_value, depth): + def _export_xml_field(self, name: str, serialized_value: Any, depth: int) -> None: self._beautify_indent(depth=depth) - self.xg.startElement(name, {}) + self.xg.startElement(name, AttributesImpl({})) if hasattr(serialized_value, "items"): self._beautify_newline() for subname, value in serialized_value.items(): @@ -213,17 +221,17 @@ class XmlItemExporter(BaseItemExporter): class CsvItemExporter(BaseItemExporter): def __init__( self, - file, - include_headers_line=True, - join_multivalued=",", - errors=None, - **kwargs, + file: BytesIO, + include_headers_line: bool = True, + join_multivalued: str = ",", + errors: Optional[str] = None, + **kwargs: Any, ): super().__init__(dont_fail=True, **kwargs) if not self.encoding: self.encoding = "utf-8" self.include_headers_line = include_headers_line - self.stream = io.TextIOWrapper( + self.stream = TextIOWrapper( file, line_buffering=False, write_through=True, @@ -235,11 +243,13 @@ class CsvItemExporter(BaseItemExporter): self._headers_not_written = True self._join_multivalued = join_multivalued - def serialize_field(self, field, name, value): - serializer = field.get("serializer", self._join_if_needed) + def serialize_field( + self, field: Union[Mapping[str, Any], Field], name: str, value: Any + ) -> Any: + serializer: Callable[[Any], Any] = field.get("serializer", self._join_if_needed) return serializer(value) - def _join_if_needed(self, value): + def _join_if_needed(self, value: Any) -> Any: if isinstance(value, (list, tuple)): try: return self._join_multivalued.join(value) @@ -247,7 +257,7 @@ class CsvItemExporter(BaseItemExporter): pass return value - def export_item(self, item): + def export_item(self, item: Any) -> None: if self._headers_not_written: self._headers_not_written = False self._write_headers_and_set_fields_to_export(item) @@ -256,36 +266,38 @@ class CsvItemExporter(BaseItemExporter): values = list(self._build_row(x for _, x in fields)) self.csv_writer.writerow(values) - def finish_exporting(self): + def finish_exporting(self) -> None: self.stream.detach() # Avoid closing the wrapped file. - def _build_row(self, values): + def _build_row(self, values: Iterable[Any]) -> Iterable[Any]: for s in values: try: yield to_unicode(s, self.encoding) except TypeError: yield s - def _write_headers_and_set_fields_to_export(self, item): + def _write_headers_and_set_fields_to_export(self, item: Any) -> None: if self.include_headers_line: if not self.fields_to_export: # use declared field names, or keys if the item is a dict self.fields_to_export = ItemAdapter(item).field_names() + fields: Iterable[str] if isinstance(self.fields_to_export, Mapping): fields = self.fields_to_export.values() else: + assert self.fields_to_export fields = self.fields_to_export row = list(self._build_row(fields)) self.csv_writer.writerow(row) class PickleItemExporter(BaseItemExporter): - def __init__(self, file, protocol=4, **kwargs): + def __init__(self, file: BytesIO, protocol: int = 4, **kwargs: Any): super().__init__(**kwargs) - self.file = file - self.protocol = protocol + self.file: BytesIO = file + self.protocol: int = protocol - def export_item(self, item): + def export_item(self, item: Any) -> None: d = dict(self._get_serialized_fields(item)) pickle.dump(d, self.file, self.protocol) @@ -299,20 +311,20 @@ class MarshalItemExporter(BaseItemExporter): opened in binary mode, a :class:`~io.BytesIO` object, etc) """ - def __init__(self, file, **kwargs): + def __init__(self, file: BytesIO, **kwargs: Any): super().__init__(**kwargs) - self.file = file + self.file: BytesIO = file - def export_item(self, item): + def export_item(self, item: Any) -> None: marshal.dump(dict(self._get_serialized_fields(item)), self.file) class PprintItemExporter(BaseItemExporter): - def __init__(self, file, **kwargs): + def __init__(self, file: BytesIO, **kwargs: Any): super().__init__(**kwargs) - self.file = file + self.file: BytesIO = file - def export_item(self, item): + def export_item(self, item: Any) -> None: itemdict = dict(self._get_serialized_fields(item)) self.file.write(to_bytes(pprint.pformat(itemdict) + "\n")) @@ -327,16 +339,20 @@ class PythonItemExporter(BaseItemExporter): .. _msgpack: https://pypi.org/project/msgpack/ """ - def _configure(self, options, dont_fail=False): + def _configure(self, options: Dict[str, Any], dont_fail: bool = False) -> None: super()._configure(options, dont_fail) if not self.encoding: self.encoding = "utf-8" - def serialize_field(self, field, name, value): - serializer = field.get("serializer", self._serialize_value) + def serialize_field( + self, field: Union[Mapping[str, Any], Field], name: str, value: Any + ) -> Any: + serializer: Callable[[Any], Any] = field.get( + "serializer", self._serialize_value + ) return serializer(value) - def _serialize_value(self, value): + def _serialize_value(self, value: Any) -> Any: if isinstance(value, Item): return self.export_item(value) if is_item(value): @@ -347,10 +363,10 @@ class PythonItemExporter(BaseItemExporter): return to_unicode(value, encoding=self.encoding) return value - def _serialize_item(self, item): + def _serialize_item(self, item: Any) -> Iterable[Tuple[Union[str, bytes], Any]]: for key, value in ItemAdapter(item).items(): yield key, self._serialize_value(value) - def export_item(self, item): - result = dict(self._get_serialized_fields(item)) + def export_item(self, item: Any) -> Dict[Union[str, bytes], Any]: # type: ignore[override] + result: Dict[Union[str, bytes], Any] = dict(self._get_serialized_fields(item)) return result diff --git a/scrapy/extensions/feedexport.py b/scrapy/extensions/feedexport.py index e5e363b52..3b0dd804e 100644 --- a/scrapy/extensions/feedexport.py +++ b/scrapy/extensions/feedexport.py @@ -11,7 +11,7 @@ import warnings from datetime import datetime, timezone from pathlib import Path, PureWindowsPath from tempfile import NamedTemporaryFile -from typing import IO, Any, Callable, Dict, List, Optional, Tuple, Union +from typing import IO, Any, Callable, Dict, List, Optional, Tuple, Type, Union from urllib.parse import unquote, urlparse from twisted.internet import defer, threads @@ -21,6 +21,7 @@ from zope.interface import Interface, implementer from scrapy import Spider, signals from scrapy.exceptions import NotConfigured, ScrapyDeprecationWarning +from scrapy.exporters import BaseItemExporter from scrapy.extensions.postprocessing import PostProcessingManager from scrapy.utils.boto import is_botocore_available from scrapy.utils.conf import feed_complete_default_values_from_settings @@ -324,12 +325,12 @@ class FeedSlot: filter, feed_options, spider, - exporters, + exporters: Dict[str, Type[BaseItemExporter]], settings, crawler, ): self.file = None - self.exporter = None + self.exporter: Optional[BaseItemExporter] = None self.storage = storage # feed params self.batch_id = batch_id @@ -341,7 +342,7 @@ class FeedSlot: # exporter params self.feed_options = feed_options self.spider = spider - self.exporters = exporters + self.exporters: Dict[str, Type[BaseItemExporter]] = exporters self.settings = settings self.crawler = crawler # flags @@ -373,7 +374,7 @@ class FeedSlot: def _get_instance(self, objcls, *args, **kwargs): return build_from_crawler(objcls, self.crawler, *args, **kwargs) - def _get_exporter(self, file, format, *args, **kwargs): + def _get_exporter(self, file, format, *args, **kwargs) -> BaseItemExporter: return self._get_instance(self.exporters[format], file, *args, **kwargs) def finish_exporting(self): From 421e08dd4a4d5ed2acf3cd0fca4c7bfa5a6d3eb2 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Fri, 8 Mar 2024 10:59:56 +0500 Subject: [PATCH 124/786] Full typing for scrapy/extensions, part 1. (#6276) --- scrapy/extensions/closespider.py | 52 +++++++++++++++++++++----------- scrapy/extensions/corestats.py | 33 +++++++++++++------- scrapy/extensions/debug.py | 25 ++++++++++----- scrapy/extensions/logstats.py | 50 ++++++++++++++++++------------ scrapy/extensions/memdebug.py | 22 ++++++++++---- scrapy/extensions/memusage.py | 51 ++++++++++++++++++++----------- scrapy/mail.py | 12 ++++++-- scrapy/utils/engine.py | 13 ++++---- 8 files changed, 171 insertions(+), 87 deletions(-) diff --git a/scrapy/extensions/closespider.py b/scrapy/extensions/closespider.py index 4307b4170..812b3553c 100644 --- a/scrapy/extensions/closespider.py +++ b/scrapy/extensions/closespider.py @@ -4,20 +4,31 @@ conditions are met. See documentation in docs/topics/extensions.rst """ +from __future__ import annotations + import logging from collections import defaultdict +from typing import TYPE_CHECKING, Any, DefaultDict, Dict -from scrapy import signals +from twisted.python.failure import Failure + +from scrapy import Request, Spider, signals +from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured +from scrapy.http import Response + +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self logger = logging.getLogger(__name__) class CloseSpider: - def __init__(self, crawler): - self.crawler = crawler + def __init__(self, crawler: Crawler): + self.crawler: Crawler = crawler - self.close_on = { + self.close_on: Dict[str, Any] = { "timeout": crawler.settings.getfloat("CLOSESPIDER_TIMEOUT"), "itemcount": crawler.settings.getint("CLOSESPIDER_ITEMCOUNT"), "pagecount": crawler.settings.getint("CLOSESPIDER_PAGECOUNT"), @@ -28,7 +39,7 @@ class CloseSpider: if not any(self.close_on.values()): raise NotConfigured - self.counter = defaultdict(int) + self.counter: DefaultDict[str, int] = defaultdict(int) if self.close_on.get("errorcount"): crawler.signals.connect(self.error_count, signal=signals.spider_error) @@ -39,8 +50,8 @@ class CloseSpider: if self.close_on.get("itemcount"): crawler.signals.connect(self.item_scraped, signal=signals.item_scraped) if self.close_on.get("timeout_no_item"): - self.timeout_no_item = self.close_on["timeout_no_item"] - self.items_in_period = 0 + self.timeout_no_item: int = self.close_on["timeout_no_item"] + self.items_in_period: int = 0 crawler.signals.connect( self.spider_opened_no_item, signal=signals.spider_opened ) @@ -50,22 +61,25 @@ class CloseSpider: crawler.signals.connect(self.spider_closed, signal=signals.spider_closed) @classmethod - def from_crawler(cls, crawler): + def from_crawler(cls, crawler: Crawler) -> Self: return cls(crawler) - def error_count(self, failure, response, spider): + def error_count(self, failure: Failure, response: Response, spider: Spider) -> None: self.counter["errorcount"] += 1 if self.counter["errorcount"] == self.close_on["errorcount"]: + assert self.crawler.engine self.crawler.engine.close_spider(spider, "closespider_errorcount") - def page_count(self, response, request, spider): + def page_count(self, response: Response, request: Request, spider: Spider) -> None: self.counter["pagecount"] += 1 if self.counter["pagecount"] == self.close_on["pagecount"]: + assert self.crawler.engine self.crawler.engine.close_spider(spider, "closespider_pagecount") - def spider_opened(self, spider): + def spider_opened(self, spider: Spider) -> None: from twisted.internet import reactor + assert self.crawler.engine self.task = reactor.callLater( self.close_on["timeout"], self.crawler.engine.close_spider, @@ -73,21 +87,22 @@ class CloseSpider: reason="closespider_timeout", ) - def item_scraped(self, item, spider): + def item_scraped(self, item: Any, spider: Spider) -> None: self.counter["itemcount"] += 1 if self.counter["itemcount"] == self.close_on["itemcount"]: + assert self.crawler.engine self.crawler.engine.close_spider(spider, "closespider_itemcount") - def spider_closed(self, spider): - task = getattr(self, "task", False) + def spider_closed(self, spider: Spider) -> None: + task = getattr(self, "task", None) if task and task.active(): task.cancel() - task_no_item = getattr(self, "task_no_item", False) + task_no_item = getattr(self, "task_no_item", None) if task_no_item and task_no_item.running: task_no_item.stop() - def spider_opened_no_item(self, spider): + def spider_opened_no_item(self, spider: Spider) -> None: from twisted.internet import task self.task_no_item = task.LoopingCall(self._count_items_produced, spider) @@ -98,10 +113,10 @@ class CloseSpider: f"{self.timeout_no_item} seconds." ) - def item_scraped_no_item(self, item, spider): + def item_scraped_no_item(self, item: Any, spider: Spider) -> None: self.items_in_period += 1 - def _count_items_produced(self, spider): + def _count_items_produced(self, spider: Spider) -> None: if self.items_in_period >= 1: self.items_in_period = 0 else: @@ -109,4 +124,5 @@ class CloseSpider: f"Closing spider since no items were produced in the last " f"{self.timeout_no_item} seconds." ) + assert self.crawler.engine self.crawler.engine.close_spider(spider, "closespider_timeout_no_item") diff --git a/scrapy/extensions/corestats.py b/scrapy/extensions/corestats.py index 717c249d9..f3ac19623 100644 --- a/scrapy/extensions/corestats.py +++ b/scrapy/extensions/corestats.py @@ -2,18 +2,28 @@ Extension for collecting core stats like items scraped and start/finish times """ -from datetime import datetime, timezone +from __future__ import annotations -from scrapy import signals +from datetime import datetime, timezone +from typing import TYPE_CHECKING, Any, Optional + +from scrapy import Spider, signals +from scrapy.crawler import Crawler +from scrapy.statscollectors import StatsCollector + +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self class CoreStats: - def __init__(self, stats): - self.stats = stats - self.start_time = None + def __init__(self, stats: StatsCollector): + self.stats: StatsCollector = stats + self.start_time: Optional[datetime] = None @classmethod - def from_crawler(cls, crawler): + def from_crawler(cls, crawler: Crawler) -> Self: + assert crawler.stats o = cls(crawler.stats) crawler.signals.connect(o.spider_opened, signal=signals.spider_opened) crawler.signals.connect(o.spider_closed, signal=signals.spider_closed) @@ -22,11 +32,12 @@ class CoreStats: crawler.signals.connect(o.response_received, signal=signals.response_received) return o - def spider_opened(self, spider): + def spider_opened(self, spider: Spider) -> None: self.start_time = datetime.now(tz=timezone.utc) self.stats.set_value("start_time", self.start_time, spider=spider) - def spider_closed(self, spider, reason): + def spider_closed(self, spider: Spider, reason: str) -> None: + assert self.start_time is not None finish_time = datetime.now(tz=timezone.utc) elapsed_time = finish_time - self.start_time elapsed_time_seconds = elapsed_time.total_seconds() @@ -36,13 +47,13 @@ class CoreStats: self.stats.set_value("finish_time", finish_time, spider=spider) self.stats.set_value("finish_reason", reason, spider=spider) - def item_scraped(self, item, spider): + def item_scraped(self, item: Any, spider: Spider) -> None: self.stats.inc_value("item_scraped_count", spider=spider) - def response_received(self, spider): + def response_received(self, spider: Spider) -> None: self.stats.inc_value("response_received_count", spider=spider) - def item_dropped(self, item, spider, exception): + def item_dropped(self, item: Any, spider: Spider, exception: BaseException) -> None: reason = exception.__class__.__name__ self.stats.inc_value("item_dropped_count", spider=spider) self.stats.inc_value(f"item_dropped_reasons_count/{reason}", spider=spider) diff --git a/scrapy/extensions/debug.py b/scrapy/extensions/debug.py index 1b6c7777f..26726b662 100644 --- a/scrapy/extensions/debug.py +++ b/scrapy/extensions/debug.py @@ -4,22 +4,31 @@ Extensions for debugging Scrapy See documentation in docs/topics/extensions.rst """ +from __future__ import annotations + import logging import signal import sys import threading import traceback from pdb import Pdb +from types import FrameType +from typing import TYPE_CHECKING, Optional +from scrapy.crawler import Crawler from scrapy.utils.engine import format_engine_status from scrapy.utils.trackref import format_live_refs +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self + logger = logging.getLogger(__name__) class StackTraceDump: - def __init__(self, crawler=None): - self.crawler = crawler + def __init__(self, crawler: Crawler): + self.crawler: Crawler = crawler try: signal.signal(signal.SIGUSR2, self.dump_stacktrace) signal.signal(signal.SIGQUIT, self.dump_stacktrace) @@ -28,10 +37,11 @@ class StackTraceDump: pass @classmethod - def from_crawler(cls, crawler): + def from_crawler(cls, crawler: Crawler) -> Self: return cls(crawler) - def dump_stacktrace(self, signum, frame): + def dump_stacktrace(self, signum: int, frame: Optional[FrameType]) -> None: + assert self.crawler.engine log_args = { "stackdumps": self._thread_stacks(), "enginestatus": format_engine_status(self.crawler.engine), @@ -44,7 +54,7 @@ class StackTraceDump: extra={"crawler": self.crawler}, ) - def _thread_stacks(self): + def _thread_stacks(self) -> str: id2name = dict((th.ident, th.name) for th in threading.enumerate()) dumps = "" for id_, frame in sys._current_frames().items(): @@ -55,12 +65,13 @@ class StackTraceDump: class Debugger: - def __init__(self): + def __init__(self) -> None: try: signal.signal(signal.SIGUSR2, self._enter_debugger) except AttributeError: # win32 platforms don't support SIGUSR signals pass - def _enter_debugger(self, signum, frame): + def _enter_debugger(self, signum: int, frame: Optional[FrameType]) -> None: + assert frame Pdb().set_trace(frame.f_back) diff --git a/scrapy/extensions/logstats.py b/scrapy/extensions/logstats.py index 9f63e9c4b..2388afa75 100644 --- a/scrapy/extensions/logstats.py +++ b/scrapy/extensions/logstats.py @@ -1,9 +1,18 @@ +from __future__ import annotations + import logging +from typing import TYPE_CHECKING, Optional, Tuple, Union from twisted.internet import task -from scrapy import signals +from scrapy import Spider, signals +from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured +from scrapy.statscollectors import StatsCollector + +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self logger = logging.getLogger(__name__) @@ -14,30 +23,31 @@ class LogStats: * IPM - Items per Minute """ - def __init__(self, stats, interval=60.0): - self.stats = stats - self.interval = interval - self.multiplier = 60.0 / self.interval - self.task = None + def __init__(self, stats: StatsCollector, interval: float = 60.0): + self.stats: StatsCollector = stats + self.interval: float = interval + self.multiplier: float = 60.0 / self.interval + self.task: Optional[task.LoopingCall] = None @classmethod - def from_crawler(cls, crawler): - interval = crawler.settings.getfloat("LOGSTATS_INTERVAL") + def from_crawler(cls, crawler: Crawler) -> Self: + interval: float = crawler.settings.getfloat("LOGSTATS_INTERVAL") if not interval: raise NotConfigured + assert crawler.stats o = cls(crawler.stats, interval) crawler.signals.connect(o.spider_opened, signal=signals.spider_opened) crawler.signals.connect(o.spider_closed, signal=signals.spider_closed) return o - def spider_opened(self, spider): - self.pagesprev = 0 - self.itemsprev = 0 + def spider_opened(self, spider: Spider) -> None: + self.pagesprev: int = 0 + self.itemsprev: int = 0 self.task = task.LoopingCall(self.log, spider) self.task.start(self.interval) - def log(self, spider): + def log(self, spider: Spider) -> None: self.calculate_stats() msg = ( @@ -52,14 +62,14 @@ class LogStats: } logger.info(msg, log_args, extra={"spider": spider}) - def calculate_stats(self): - self.items = self.stats.get_value("item_scraped_count", 0) - self.pages = self.stats.get_value("response_received_count", 0) - self.irate = (self.items - self.itemsprev) * self.multiplier - self.prate = (self.pages - self.pagesprev) * self.multiplier + def calculate_stats(self) -> None: + self.items: int = self.stats.get_value("item_scraped_count", 0) + self.pages: int = self.stats.get_value("response_received_count", 0) + self.irate: float = (self.items - self.itemsprev) * self.multiplier + self.prate: float = (self.pages - self.pagesprev) * self.multiplier self.pagesprev, self.itemsprev = self.pages, self.items - def spider_closed(self, spider, reason): + def spider_closed(self, spider: Spider, reason: str) -> None: if self.task and self.task.running: self.task.stop() @@ -67,7 +77,9 @@ class LogStats: self.stats.set_value("responses_per_minute", rpm_final) self.stats.set_value("items_per_minute", ipm_final) - def calculate_final_stats(self, spider): + def calculate_final_stats( + self, spider: Spider + ) -> Union[Tuple[None, None], Tuple[float, float]]: start_time = self.stats.get_value("start_time") finished_time = self.stats.get_value("finished_time") diff --git a/scrapy/extensions/memdebug.py b/scrapy/extensions/memdebug.py index 03ede0681..f304e1bf2 100644 --- a/scrapy/extensions/memdebug.py +++ b/scrapy/extensions/memdebug.py @@ -4,26 +4,36 @@ MemoryDebugger extension See documentation in docs/topics/extensions.rst """ -import gc +from __future__ import annotations -from scrapy import signals +import gc +from typing import TYPE_CHECKING + +from scrapy import Spider, signals +from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured +from scrapy.statscollectors import StatsCollector from scrapy.utils.trackref import live_refs +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self + class MemoryDebugger: - def __init__(self, stats): - self.stats = stats + def __init__(self, stats: StatsCollector): + self.stats: StatsCollector = stats @classmethod - def from_crawler(cls, crawler): + def from_crawler(cls, crawler: Crawler) -> Self: if not crawler.settings.getbool("MEMDEBUG_ENABLED"): raise NotConfigured + assert crawler.stats o = cls(crawler.stats) crawler.signals.connect(o.spider_closed, signal=signals.spider_closed) return o - def spider_closed(self, spider, reason): + def spider_closed(self, spider: Spider, reason: str) -> None: gc.collect() self.stats.set_value( "memdebug/gc_garbage_count", len(gc.garbage), spider=spider diff --git a/scrapy/extensions/memusage.py b/scrapy/extensions/memusage.py index 4d4501c44..9de06b24d 100644 --- a/scrapy/extensions/memusage.py +++ b/scrapy/extensions/memusage.py @@ -4,24 +4,32 @@ MemoryUsage extension See documentation in docs/topics/extensions.rst """ +from __future__ import annotations + import logging import socket import sys from importlib import import_module from pprint import pformat +from typing import TYPE_CHECKING, List from twisted.internet import task from scrapy import signals +from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured from scrapy.mail import MailSender from scrapy.utils.engine import get_engine_status +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self + logger = logging.getLogger(__name__) class MemoryUsage: - def __init__(self, crawler): + def __init__(self, crawler: Crawler): if not crawler.settings.getbool("MEMUSAGE_ENABLED"): raise NotConfigured try: @@ -30,32 +38,33 @@ class MemoryUsage: except ImportError: raise NotConfigured - self.crawler = crawler - self.warned = False - self.notify_mails = crawler.settings.getlist("MEMUSAGE_NOTIFY_MAIL") - self.limit = crawler.settings.getint("MEMUSAGE_LIMIT_MB") * 1024 * 1024 - self.warning = crawler.settings.getint("MEMUSAGE_WARNING_MB") * 1024 * 1024 - self.check_interval = crawler.settings.getfloat( + self.crawler: Crawler = crawler + self.warned: bool = False + self.notify_mails: List[str] = crawler.settings.getlist("MEMUSAGE_NOTIFY_MAIL") + self.limit: int = crawler.settings.getint("MEMUSAGE_LIMIT_MB") * 1024 * 1024 + self.warning: int = crawler.settings.getint("MEMUSAGE_WARNING_MB") * 1024 * 1024 + self.check_interval: float = crawler.settings.getfloat( "MEMUSAGE_CHECK_INTERVAL_SECONDS" ) - self.mail = MailSender.from_settings(crawler.settings) + self.mail: MailSender = MailSender.from_settings(crawler.settings) crawler.signals.connect(self.engine_started, signal=signals.engine_started) crawler.signals.connect(self.engine_stopped, signal=signals.engine_stopped) @classmethod - def from_crawler(cls, crawler): + def from_crawler(cls, crawler: Crawler) -> Self: return cls(crawler) - def get_virtual_size(self): - size = self.resource.getrusage(self.resource.RUSAGE_SELF).ru_maxrss + def get_virtual_size(self) -> int: + size: int = self.resource.getrusage(self.resource.RUSAGE_SELF).ru_maxrss if sys.platform != "darwin": # on macOS ru_maxrss is in bytes, on Linux it is in KB size *= 1024 return size - def engine_started(self): + def engine_started(self) -> None: + assert self.crawler.stats self.crawler.stats.set_value("memusage/startup", self.get_virtual_size()) - self.tasks = [] + self.tasks: List[task.LoopingCall] = [] tsk = task.LoopingCall(self.update) self.tasks.append(tsk) tsk.start(self.check_interval, now=True) @@ -68,15 +77,18 @@ class MemoryUsage: self.tasks.append(tsk) tsk.start(self.check_interval, now=True) - def engine_stopped(self): + def engine_stopped(self) -> None: for tsk in self.tasks: if tsk.running: tsk.stop() - def update(self): + def update(self) -> None: + assert self.crawler.stats self.crawler.stats.max_value("memusage/max", self.get_virtual_size()) - def _check_limit(self): + def _check_limit(self) -> None: + assert self.crawler.engine + assert self.crawler.stats peak_mem_usage = self.get_virtual_size() if peak_mem_usage > self.limit: self.crawler.stats.set_value("memusage/limit_reached", 1) @@ -106,9 +118,10 @@ class MemoryUsage: {"virtualsize": peak_mem_usage / 1024 / 1024}, ) - def _check_warning(self): + def _check_warning(self) -> None: if self.warned: # warn only once return + assert self.crawler.stats if self.get_virtual_size() > self.warning: self.crawler.stats.set_value("memusage/warning_reached", 1) mem = self.warning / 1024 / 1024 @@ -126,8 +139,10 @@ class MemoryUsage: self.crawler.stats.set_value("memusage/warning_notified", 1) self.warned = True - def _send_report(self, rcpts, subject): + def _send_report(self, rcpts: List[str], subject: str) -> None: """send notification mail with some additional useful info""" + assert self.crawler.engine + assert self.crawler.stats stats = self.crawler.stats s = f"Memory usage at engine startup : {stats.get_value('memusage/startup') / 1024 / 1024}M\r\n" s += f"Maximum memory usage : {stats.get_value('memusage/max') / 1024 / 1024}M\r\n" diff --git a/scrapy/mail.py b/scrapy/mail.py index 4b18b6003..dce33fcdf 100644 --- a/scrapy/mail.py +++ b/scrapy/mail.py @@ -4,6 +4,8 @@ Mail sending helpers See documentation in docs/topics/email.rst """ +from __future__ import annotations + import logging from email import encoders as Encoders from email.mime.base import MIMEBase @@ -12,14 +14,20 @@ from email.mime.nonmultipart import MIMENonMultipart from email.mime.text import MIMEText from email.utils import formatdate from io import BytesIO +from typing import TYPE_CHECKING from twisted import version as twisted_version from twisted.internet import defer, ssl from twisted.python.versions import Version +from scrapy.settings import BaseSettings from scrapy.utils.misc import arg_to_iter from scrapy.utils.python import to_bytes +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self + logger = logging.getLogger(__name__) @@ -56,7 +64,7 @@ class MailSender: self.debug = debug @classmethod - def from_settings(cls, settings): + def from_settings(cls, settings: BaseSettings) -> Self: return cls( smtphost=settings["MAIL_HOST"], mailfrom=settings["MAIL_FROM"], @@ -203,7 +211,7 @@ class MailSender: to_addrs, msg, d, - **factory_keywords + **factory_keywords, ) factory.noisy = False return factory diff --git a/scrapy/utils/engine.py b/scrapy/utils/engine.py index 0b2722663..fdcf484d4 100644 --- a/scrapy/utils/engine.py +++ b/scrapy/utils/engine.py @@ -1,14 +1,15 @@ """Some debugging functions for working with the Scrapy engine""" +from __future__ import annotations + # used in global tests code from time import time # noqa: F401 -from typing import TYPE_CHECKING, Any, List, Tuple +from typing import Any, List, Tuple -if TYPE_CHECKING: - from scrapy.core.engine import ExecutionEngine +from scrapy.core.engine import ExecutionEngine -def get_engine_status(engine: "ExecutionEngine") -> List[Tuple[str, Any]]: +def get_engine_status(engine: ExecutionEngine) -> List[Tuple[str, Any]]: """Return a report of the current engine status""" tests = [ "time()-engine.start_time", @@ -37,7 +38,7 @@ def get_engine_status(engine: "ExecutionEngine") -> List[Tuple[str, Any]]: return checks -def format_engine_status(engine: "ExecutionEngine") -> str: +def format_engine_status(engine: ExecutionEngine) -> str: checks = get_engine_status(engine) s = "Execution engine status\n\n" for test, result in checks: @@ -47,5 +48,5 @@ def format_engine_status(engine: "ExecutionEngine") -> str: return s -def print_engine_status(engine: "ExecutionEngine") -> None: +def print_engine_status(engine: ExecutionEngine) -> None: print(format_engine_status(engine)) From 6e84648c0717642b069249225857019a87de54b9 Mon Sep 17 00:00:00 2001 From: pengqiseven <134899215+pengqiseven@users.noreply.github.com> Date: Mon, 11 Mar 2024 17:03:06 +0800 Subject: [PATCH 125/786] Fix some comments (#6285) Signed-off-by: pengqiseven Co-authored-by: pengqiseven --- sep/sep-018.rst | 2 +- tests/test_utils_python.py | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/sep/sep-018.rst b/sep/sep-018.rst index 9ac62c090..13ab501ed 100644 --- a/sep/sep-018.rst +++ b/sep/sep-018.rst @@ -140,7 +140,7 @@ Example: The data flow with Spider Middleware v2 is as follows: -1. When a response arrives from the engine, it it passed through all the spider +1. When a response arrives from the engine, it is passed through all the spider middlewares (in descending order). The result of each middleware ``process_response`` is kept and then returned along with the spider callback result diff --git a/tests/test_utils_python.py b/tests/test_utils_python.py index 80d2e8da1..1d1d19146 100644 --- a/tests/test_utils_python.py +++ b/tests/test_utils_python.py @@ -175,7 +175,7 @@ class UtilsPythonTestCase(unittest.TestCase): self.assertTrue(equal_attributes(a, b, ["x", "y"])) a.y = 1 - # differente attributes + # different attributes self.assertFalse(equal_attributes(a, b, ["x", "y"])) # test callable From 642af407049a5ce8e76b7999c68333670c8c8622 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 11 Mar 2024 14:09:09 +0500 Subject: [PATCH 126/786] Full typing for scrapy/extensions, part 2. (#6279) --- docs/topics/telnetconsole.rst | 4 +- scrapy/extensions/periodic_log.py | 89 +++++++++++++++++------------ scrapy/extensions/postprocessing.py | 4 +- scrapy/extensions/spiderstate.py | 26 ++++++--- scrapy/extensions/statsmailer.py | 31 +++++++--- scrapy/extensions/telnet.py | 37 +++++++----- scrapy/extensions/throttle.py | 49 ++++++++++------ scrapy/mail.py | 12 ++-- scrapy/utils/reactor.py | 8 +-- 9 files changed, 165 insertions(+), 95 deletions(-) diff --git a/docs/topics/telnetconsole.rst b/docs/topics/telnetconsole.rst index 832829b75..0e4a8fa6c 100644 --- a/docs/topics/telnetconsole.rst +++ b/docs/topics/telnetconsole.rst @@ -172,8 +172,8 @@ TELNETCONSOLE_PORT Default: ``[6023, 6073]`` -The port range to use for the telnet console. If set to ``None`` or ``0``, a -dynamically assigned port is used. +The port range to use for the telnet console. If set to ``None``, a dynamically +assigned port is used. .. setting:: TELNETCONSOLE_HOST diff --git a/scrapy/extensions/periodic_log.py b/scrapy/extensions/periodic_log.py index 2d557f123..9567f948a 100644 --- a/scrapy/extensions/periodic_log.py +++ b/scrapy/extensions/periodic_log.py @@ -1,12 +1,22 @@ +from __future__ import annotations + import logging from datetime import datetime, timezone +from json import JSONEncoder +from typing import TYPE_CHECKING, Any, Dict, List, Optional, Union from twisted.internet import task -from scrapy import signals +from scrapy import Spider, signals +from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured +from scrapy.statscollectors import StatsCollector from scrapy.utils.serialize import ScrapyJSONEncoder +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self + logger = logging.getLogger(__name__) @@ -15,32 +25,34 @@ class PeriodicLog: def __init__( self, - stats, - interval=60.0, - ext_stats={}, - ext_delta={}, - ext_timing_enabled=False, + stats: StatsCollector, + interval: float = 60.0, + ext_stats: Dict[str, Any] = {}, + ext_delta: Dict[str, Any] = {}, + ext_timing_enabled: bool = False, ): - self.stats = stats - self.interval = interval - self.multiplier = 60.0 / self.interval - self.task = None - self.encoder = ScrapyJSONEncoder(sort_keys=True, indent=4) - self.ext_stats_enabled = bool(ext_stats) - self.ext_stats_include = ext_stats.get("include", []) - self.ext_stats_exclude = ext_stats.get("exclude", []) - self.ext_delta_enabled = bool(ext_delta) - self.ext_delta_include = ext_delta.get("include", []) - self.ext_delta_exclude = ext_delta.get("exclude", []) - self.ext_timing_enabled = ext_timing_enabled + self.stats: StatsCollector = stats + self.interval: float = interval + self.multiplier: float = 60.0 / self.interval + self.task: Optional[task.LoopingCall] = None + self.encoder: JSONEncoder = ScrapyJSONEncoder(sort_keys=True, indent=4) + self.ext_stats_enabled: bool = bool(ext_stats) + self.ext_stats_include: List[str] = ext_stats.get("include", []) + self.ext_stats_exclude: List[str] = ext_stats.get("exclude", []) + self.ext_delta_enabled: bool = bool(ext_delta) + self.ext_delta_include: List[str] = ext_delta.get("include", []) + self.ext_delta_exclude: List[str] = ext_delta.get("exclude", []) + self.ext_timing_enabled: bool = ext_timing_enabled @classmethod - def from_crawler(cls, crawler): - interval = crawler.settings.getfloat("LOGSTATS_INTERVAL") + def from_crawler(cls, crawler: Crawler) -> Self: + interval: float = crawler.settings.getfloat("LOGSTATS_INTERVAL") if not interval: raise NotConfigured try: - ext_stats = crawler.settings.getdict("PERIODIC_LOG_STATS") + ext_stats: Optional[Dict[str, Any]] = crawler.settings.getdict( + "PERIODIC_LOG_STATS" + ) except (TypeError, ValueError): ext_stats = ( {"enabled": True} @@ -48,7 +60,9 @@ class PeriodicLog: else None ) try: - ext_delta = crawler.settings.getdict("PERIODIC_LOG_DELTA") + ext_delta: Optional[Dict[str, Any]] = crawler.settings.getdict( + "PERIODIC_LOG_DELTA" + ) except (TypeError, ValueError): ext_delta = ( {"enabled": True} @@ -56,11 +70,14 @@ class PeriodicLog: else None ) - ext_timing_enabled = crawler.settings.getbool( + ext_timing_enabled: bool = crawler.settings.getbool( "PERIODIC_LOG_TIMING_ENABLED", False ) if not (ext_stats or ext_delta or ext_timing_enabled): raise NotConfigured + assert crawler.stats + assert ext_stats is not None + assert ext_delta is not None o = cls( crawler.stats, interval, @@ -72,16 +89,16 @@ class PeriodicLog: crawler.signals.connect(o.spider_closed, signal=signals.spider_closed) return o - def spider_opened(self, spider): - self.time_prev = datetime.now(tz=timezone.utc) - self.delta_prev = {} - self.stats_prev = {} + def spider_opened(self, spider: Spider) -> None: + self.time_prev: datetime = datetime.now(tz=timezone.utc) + self.delta_prev: Dict[str, Union[int, float]] = {} + self.stats_prev: Dict[str, Union[int, float]] = {} self.task = task.LoopingCall(self.log) self.task.start(self.interval) - def log(self): - data = {} + def log(self) -> None: + data: Dict[str, Any] = {} if self.ext_timing_enabled: data.update(self.log_timing()) if self.ext_delta_enabled: @@ -90,8 +107,8 @@ class PeriodicLog: data.update(self.log_crawler_stats()) logger.info(self.encoder.encode(data)) - def log_delta(self): - num_stats = { + def log_delta(self) -> Dict[str, Any]: + num_stats: Dict[str, Union[int, float]] = { k: v for k, v in self.stats._stats.items() if isinstance(v, (int, float)) @@ -101,7 +118,7 @@ class PeriodicLog: self.delta_prev = num_stats return {"delta": delta} - def log_timing(self): + def log_timing(self) -> Dict[str, Any]: now = datetime.now(tz=timezone.utc) time = { "log_interval": self.interval, @@ -113,7 +130,7 @@ class PeriodicLog: self.time_prev = now return {"time": time} - def log_crawler_stats(self): + def log_crawler_stats(self) -> Dict[str, Any]: stats = { k: v for k, v in self.stats._stats.items() @@ -121,7 +138,9 @@ class PeriodicLog: } return {"stats": stats} - def param_allowed(self, stat_name, include, exclude): + def param_allowed( + self, stat_name: str, include: List[str], exclude: List[str] + ) -> bool: if not include and not exclude: return True for p in exclude: @@ -134,7 +153,7 @@ class PeriodicLog: return True return False - def spider_closed(self, spider, reason): + def spider_closed(self, spider: Spider, reason: str) -> None: self.log() if self.task and self.task.running: self.task.stop() diff --git a/scrapy/extensions/postprocessing.py b/scrapy/extensions/postprocessing.py index f8b59827b..7ffbd8bc3 100644 --- a/scrapy/extensions/postprocessing.py +++ b/scrapy/extensions/postprocessing.py @@ -6,7 +6,7 @@ from bz2 import BZ2File from gzip import GzipFile from io import IOBase from lzma import LZMAFile -from typing import Any, BinaryIO, Dict, List +from typing import Any, BinaryIO, Dict, List, cast from scrapy.utils.misc import load_object @@ -142,7 +142,7 @@ class PostProcessingManager(IOBase): :return: returns number of bytes written :rtype: int """ - return self.head_plugin.write(data) + return cast(int, self.head_plugin.write(data)) def tell(self) -> int: return self.file.tell() diff --git a/scrapy/extensions/spiderstate.py b/scrapy/extensions/spiderstate.py index 43359401b..c6eb20277 100644 --- a/scrapy/extensions/spiderstate.py +++ b/scrapy/extensions/spiderstate.py @@ -1,19 +1,27 @@ +from __future__ import annotations + import pickle # nosec from pathlib import Path +from typing import TYPE_CHECKING, Optional -from scrapy import signals +from scrapy import Spider, signals +from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured from scrapy.utils.job import job_dir +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self + class SpiderState: """Store and load spider state during a scraping job""" - def __init__(self, jobdir=None): - self.jobdir = jobdir + def __init__(self, jobdir: Optional[str] = None): + self.jobdir: Optional[str] = jobdir @classmethod - def from_crawler(cls, crawler): + def from_crawler(cls, crawler: Crawler) -> Self: jobdir = job_dir(crawler.settings) if not jobdir: raise NotConfigured @@ -23,18 +31,20 @@ class SpiderState: crawler.signals.connect(obj.spider_opened, signal=signals.spider_opened) return obj - def spider_closed(self, spider): + def spider_closed(self, spider: Spider) -> None: if self.jobdir: with Path(self.statefn).open("wb") as f: + assert hasattr(spider, "state") # set in spider_opened pickle.dump(spider.state, f, protocol=4) - def spider_opened(self, spider): + def spider_opened(self, spider: Spider) -> None: if self.jobdir and Path(self.statefn).exists(): with Path(self.statefn).open("rb") as f: - spider.state = pickle.load(f) # nosec + spider.state = pickle.load(f) # type: ignore[attr-defined] # nosec else: - spider.state = {} + spider.state = {} # type: ignore[attr-defined] @property def statefn(self) -> str: + assert self.jobdir return str(Path(self.jobdir, "spider.state")) diff --git a/scrapy/extensions/statsmailer.py b/scrapy/extensions/statsmailer.py index 58610c25e..20b8f910c 100644 --- a/scrapy/extensions/statsmailer.py +++ b/scrapy/extensions/statsmailer.py @@ -4,28 +4,41 @@ StatsMailer extension sends an email when a spider finishes scraping. Use STATSMAILER_RCPTS setting to enable and give the recipient mail address """ -from scrapy import signals +from __future__ import annotations + +from typing import TYPE_CHECKING, List, Optional + +from twisted.internet.defer import Deferred + +from scrapy import Spider, signals +from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured from scrapy.mail import MailSender +from scrapy.statscollectors import StatsCollector + +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self class StatsMailer: - def __init__(self, stats, recipients, mail): - self.stats = stats - self.recipients = recipients - self.mail = mail + def __init__(self, stats: StatsCollector, recipients: List[str], mail: MailSender): + self.stats: StatsCollector = stats + self.recipients: List[str] = recipients + self.mail: MailSender = mail @classmethod - def from_crawler(cls, crawler): - recipients = crawler.settings.getlist("STATSMAILER_RCPTS") + def from_crawler(cls, crawler: Crawler) -> Self: + recipients: List[str] = crawler.settings.getlist("STATSMAILER_RCPTS") if not recipients: raise NotConfigured - mail = MailSender.from_settings(crawler.settings) + mail: MailSender = MailSender.from_settings(crawler.settings) + assert crawler.stats o = cls(crawler.stats, recipients, mail) crawler.signals.connect(o.spider_closed, signal=signals.spider_closed) return o - def spider_closed(self, spider): + def spider_closed(self, spider: Spider) -> Optional[Deferred]: spider_stats = self.stats.get_stats(spider) body = "Global stats\n\n" body += "\n".join(f"{k:<50} : {v}" for k, v in self.stats.get_stats().items()) diff --git a/scrapy/extensions/telnet.py b/scrapy/extensions/telnet.py index c92b7f5fe..00c69434c 100644 --- a/scrapy/extensions/telnet.py +++ b/scrapy/extensions/telnet.py @@ -4,13 +4,17 @@ Scrapy Telnet Console extension See documentation in docs/topics/telnetconsole.rst """ +from __future__ import annotations + import binascii import logging import os import pprint import traceback +from typing import TYPE_CHECKING, Any, Dict, List from twisted.internet import protocol +from twisted.internet.tcp import Port try: from twisted.conch import manhole, telnet @@ -22,12 +26,16 @@ except (ImportError, SyntaxError): TWISTED_CONCH_AVAILABLE = False from scrapy import signals +from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured from scrapy.utils.decorators import defers from scrapy.utils.engine import print_engine_status from scrapy.utils.reactor import listen_tcp from scrapy.utils.trackref import print_live_refs +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self logger = logging.getLogger(__name__) # signal to update telnet variables @@ -36,7 +44,7 @@ update_telnet_vars = object() class TelnetConsole(protocol.ServerFactory): - def __init__(self, crawler): + def __init__(self, crawler: Crawler): if not crawler.settings.getbool("TELNETCONSOLE_ENABLED"): raise NotConfigured if not TWISTED_CONCH_AVAILABLE: @@ -44,14 +52,14 @@ class TelnetConsole(protocol.ServerFactory): "TELNETCONSOLE_ENABLED setting is True but required twisted " "modules failed to import:\n" + _TWISTED_CONCH_TRACEBACK ) - self.crawler = crawler - self.noisy = False - self.portrange = [ + self.crawler: Crawler = crawler + self.noisy: bool = False + self.portrange: List[int] = [ int(x) for x in crawler.settings.getlist("TELNETCONSOLE_PORT") ] - self.host = crawler.settings["TELNETCONSOLE_HOST"] - self.username = crawler.settings["TELNETCONSOLE_USERNAME"] - self.password = crawler.settings["TELNETCONSOLE_PASSWORD"] + self.host: str = crawler.settings["TELNETCONSOLE_HOST"] + self.username: str = crawler.settings["TELNETCONSOLE_USERNAME"] + self.password: str = crawler.settings["TELNETCONSOLE_PASSWORD"] if not self.password: self.password = binascii.hexlify(os.urandom(8)).decode("utf8") @@ -61,11 +69,11 @@ class TelnetConsole(protocol.ServerFactory): self.crawler.signals.connect(self.stop_listening, signals.engine_stopped) @classmethod - def from_crawler(cls, crawler): + def from_crawler(cls, crawler: Crawler) -> Self: return cls(crawler) - def start_listening(self): - self.port = listen_tcp(self.portrange, self.host, self) + def start_listening(self) -> None: + self.port: Port = listen_tcp(self.portrange, self.host, self) h = self.port.getHost() logger.info( "Telnet console listening on %(host)s:%(port)d", @@ -73,10 +81,10 @@ class TelnetConsole(protocol.ServerFactory): extra={"crawler": self.crawler}, ) - def stop_listening(self): + def stop_listening(self) -> None: self.port.stopListening() - def protocol(self): + def protocol(self) -> telnet.TelnetTransport: # type: ignore[override] class Portal: """An implementation of IPortal""" @@ -95,9 +103,10 @@ class TelnetConsole(protocol.ServerFactory): return telnet.TelnetTransport(telnet.AuthenticatingTelnetProtocol, Portal()) - def _get_telnet_vars(self): + def _get_telnet_vars(self) -> Dict[str, Any]: # Note: if you add entries here also update topics/telnetconsole.rst - telnet_vars = { + assert self.crawler.engine + telnet_vars: Dict[str, Any] = { "engine": self.crawler.engine, "spider": self.crawler.engine.spider, "slot": self.crawler.engine.slot, diff --git a/scrapy/extensions/throttle.py b/scrapy/extensions/throttle.py index d217c7a69..bf4e6bb63 100644 --- a/scrapy/extensions/throttle.py +++ b/scrapy/extensions/throttle.py @@ -1,19 +1,29 @@ -import logging +from __future__ import annotations -from scrapy import signals +import logging +from typing import TYPE_CHECKING, Optional, Tuple + +from scrapy import Request, Spider, signals +from scrapy.core.downloader import Slot +from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured +from scrapy.http import Response + +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self logger = logging.getLogger(__name__) class AutoThrottle: - def __init__(self, crawler): - self.crawler = crawler + def __init__(self, crawler: Crawler): + self.crawler: Crawler = crawler if not crawler.settings.getbool("AUTOTHROTTLE_ENABLED"): raise NotConfigured - self.debug = crawler.settings.getbool("AUTOTHROTTLE_DEBUG") - self.target_concurrency = crawler.settings.getfloat( + self.debug: bool = crawler.settings.getbool("AUTOTHROTTLE_DEBUG") + self.target_concurrency: float = crawler.settings.getfloat( "AUTOTHROTTLE_TARGET_CONCURRENCY" ) if self.target_concurrency <= 0.0: @@ -27,27 +37,29 @@ class AutoThrottle: ) @classmethod - def from_crawler(cls, crawler): + def from_crawler(cls, crawler: Crawler) -> Self: return cls(crawler) - def _spider_opened(self, spider): + def _spider_opened(self, spider: Spider) -> None: self.mindelay = self._min_delay(spider) self.maxdelay = self._max_delay(spider) - spider.download_delay = self._start_delay(spider) + spider.download_delay = self._start_delay(spider) # type: ignore[attr-defined] - def _min_delay(self, spider): + def _min_delay(self, spider: Spider) -> float: s = self.crawler.settings return getattr(spider, "download_delay", s.getfloat("DOWNLOAD_DELAY")) - def _max_delay(self, spider): + def _max_delay(self, spider: Spider) -> float: return self.crawler.settings.getfloat("AUTOTHROTTLE_MAX_DELAY") - def _start_delay(self, spider): + def _start_delay(self, spider: Spider) -> float: return max( self.mindelay, self.crawler.settings.getfloat("AUTOTHROTTLE_START_DELAY") ) - def _response_downloaded(self, response, request, spider): + def _response_downloaded( + self, response: Response, request: Request, spider: Spider + ) -> None: key, slot = self._get_slot(request, spider) latency = request.meta.get("download_latency") if latency is None or slot is None: @@ -74,11 +86,16 @@ class AutoThrottle: extra={"spider": spider}, ) - def _get_slot(self, request, spider): - key = request.meta.get("download_slot") + def _get_slot( + self, request: Request, spider: Spider + ) -> Tuple[Optional[str], Optional[Slot]]: + key: Optional[str] = request.meta.get("download_slot") + if key is None: + return None, None + assert self.crawler.engine return key, self.crawler.engine.downloader.slots.get(key) - def _adjust_delay(self, slot, latency, response): + def _adjust_delay(self, slot: Slot, latency: float, response: Response) -> None: """Define delay adjustment policy""" # If a server needs `latency` seconds to respond then diff --git a/scrapy/mail.py b/scrapy/mail.py index dce33fcdf..7cb5ef454 100644 --- a/scrapy/mail.py +++ b/scrapy/mail.py @@ -14,10 +14,11 @@ from email.mime.nonmultipart import MIMENonMultipart from email.mime.text import MIMEText from email.utils import formatdate from io import BytesIO -from typing import TYPE_CHECKING +from typing import TYPE_CHECKING, Optional from twisted import version as twisted_version -from twisted.internet import defer, ssl +from twisted.internet import ssl +from twisted.internet.defer import Deferred from twisted.python.versions import Version from scrapy.settings import BaseSettings @@ -85,9 +86,10 @@ class MailSender: mimetype="text/plain", charset=None, _callback=None, - ): + ) -> Optional[Deferred]: from twisted.internet import reactor + msg: MIMEBase if attachs: msg = MIMEMultipart() else: @@ -134,7 +136,7 @@ class MailSender: "mailattachs": len(attachs), }, ) - return + return None dfd = self._sendmail(rcpts, msg.as_string().encode(charset or "utf-8")) dfd.addCallbacks( @@ -178,7 +180,7 @@ class MailSender: from twisted.internet import reactor msg = BytesIO(msg) - d = defer.Deferred() + d = Deferred() factory = self._create_sender_factory(to_addrs, msg, d) diff --git a/scrapy/utils/reactor.py b/scrapy/utils/reactor.py index ad3d1d8bc..6cde49bfe 100644 --- a/scrapy/utils/reactor.py +++ b/scrapy/utils/reactor.py @@ -2,17 +2,19 @@ import asyncio import sys from asyncio import AbstractEventLoop, AbstractEventLoopPolicy from contextlib import suppress -from typing import Any, Callable, Dict, Optional, Sequence, Type +from typing import Any, Callable, Dict, List, Optional, Sequence, Type from warnings import catch_warnings, filterwarnings, warn from twisted.internet import asyncioreactor, error from twisted.internet.base import DelayedCall +from twisted.internet.protocol import ServerFactory +from twisted.internet.tcp import Port from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.utils.misc import load_object -def listen_tcp(portrange, host, factory): +def listen_tcp(portrange: List[int], host: str, factory: ServerFactory) -> Port: # type: ignore[return] """Like reactor.listenTCP but tries different ports in a range.""" from twisted.internet import reactor @@ -20,8 +22,6 @@ def listen_tcp(portrange, host, factory): raise ValueError(f"invalid portrange: {portrange}") if not portrange: return reactor.listenTCP(0, factory, interface=host) - if not hasattr(portrange, "__iter__"): - return reactor.listenTCP(portrange, factory, interface=host) if len(portrange) == 1: return reactor.listenTCP(portrange[0], factory, interface=host) for x in range(portrange[0], portrange[1] + 1): From ab5ea32ffd9cbea22d0fb10ece5258cea207dd61 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Mon, 11 Mar 2024 23:26:19 +0100 Subject: [PATCH 127/786] Fix WindowsRunSpiderCommandTest skip outside Windows for older Twisted. --- tests/test_commands.py | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/tests/test_commands.py b/tests/test_commands.py index febad21da..ff308c5ac 100644 --- a/tests/test_commands.py +++ b/tests/test_commands.py @@ -987,10 +987,14 @@ class MySpider(scrapy.Spider): self.assertIn("The value of FOO is 42", log) -@skipIf(platform.system() != "Windows", "Windows required for .pyw files") class WindowsRunSpiderCommandTest(RunSpiderCommandTest): spider_filename = "myspider.pyw" + def setUp(self): + # https://github.com/scrapy/scrapy/issues/6286 + if platform.system() != "Windows": + raise unittest.SkipTest("Windows required for .pyw files") + def test_start_requests_errors(self): log = self.get_log(self.badspider, name="badspider.pyw") self.assertIn("start_requests", log) From 188d9a8bb363ab3ff37dbb6020354afbc72ec02d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Mon, 11 Mar 2024 23:28:57 +0100 Subject: [PATCH 128/786] Remove unnecessary comment --- tests/test_commands.py | 1 - 1 file changed, 1 deletion(-) diff --git a/tests/test_commands.py b/tests/test_commands.py index ff308c5ac..ae8289ba7 100644 --- a/tests/test_commands.py +++ b/tests/test_commands.py @@ -991,7 +991,6 @@ class WindowsRunSpiderCommandTest(RunSpiderCommandTest): spider_filename = "myspider.pyw" def setUp(self): - # https://github.com/scrapy/scrapy/issues/6286 if platform.system() != "Windows": raise unittest.SkipTest("Windows required for .pyw files") From e72de11f55dc5f37d449385f20d2ce4c504914d2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Tue, 12 Mar 2024 09:29:10 +0100 Subject: [PATCH 129/786] Add super --- tests/test_commands.py | 1 + 1 file changed, 1 insertion(+) diff --git a/tests/test_commands.py b/tests/test_commands.py index ae8289ba7..b9d468c66 100644 --- a/tests/test_commands.py +++ b/tests/test_commands.py @@ -993,6 +993,7 @@ class WindowsRunSpiderCommandTest(RunSpiderCommandTest): def setUp(self): if platform.system() != "Windows": raise unittest.SkipTest("Windows required for .pyw files") + return super().setUp() def test_start_requests_errors(self): log = self.get_log(self.badspider, name="badspider.pyw") From d7581c6b41e97fc09c011b089cf34ddd62f41876 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Tue, 12 Mar 2024 09:44:29 +0100 Subject: [PATCH 130/786] Allow disabling the AutoThrottle extension for a given slot (#6246) --- docs/topics/autothrottle.rst | 12 +++++++++++ docs/topics/settings.rst | 12 +++++++++-- scrapy/core/downloader/__init__.py | 19 ++++++++++++++---- scrapy/extensions/throttle.py | 2 +- tests/test_core_downloader.py | 3 ++- tests/test_downloaderslotssettings.py | 29 ++++++++++++++++++++++++++- tests/test_extension_throttle.py | 19 ++++++++++-------- 7 files changed, 79 insertions(+), 17 deletions(-) diff --git a/docs/topics/autothrottle.rst b/docs/topics/autothrottle.rst index 5370d77b3..8a13b8976 100644 --- a/docs/topics/autothrottle.rst +++ b/docs/topics/autothrottle.rst @@ -47,6 +47,18 @@ effect, but there are some important differences: AutoThrottle doesn't have these issues. +Disabling throttling on a downloader slot +========================================= + +It is possible to disable AutoThrottle for a specific download slot at run time +by setting its ``throttle`` attribute to ``False``, e.g. using +:setting:`DOWNLOAD_SLOTS`. + +Note, however, that AutoThrottle still determines the starting delay of every +slot by setting the ``download_delay`` attribute on the running spider. You +might want to set a custom value for the ``delay`` attribute of the slot, e.g. +using :setting:`DOWNLOAD_SLOTS`. + Throttling algorithm ==================== diff --git a/docs/topics/settings.rst b/docs/topics/settings.rst index 439aedc18..2bd9cf1ed 100644 --- a/docs/topics/settings.rst +++ b/docs/topics/settings.rst @@ -835,7 +835,7 @@ The default HTTPS handler uses HTTP/1.1. To use HTTP/2: .. setting:: DOWNLOAD_SLOTS DOWNLOAD_SLOTS ----------------- +-------------- Default: ``{}`` @@ -844,7 +844,12 @@ Allows to define concurrency/delay parameters on per slot (domain) basis: .. code-block:: python DOWNLOAD_SLOTS = { - "quotes.toscrape.com": {"concurrency": 1, "delay": 2, "randomize_delay": False}, + "quotes.toscrape.com": { + "concurrency": 1, + "delay": 2, + "randomize_delay": False, + "throttle": False, + }, "books.toscrape.com": {"delay": 3, "randomize_delay": False}, } @@ -856,6 +861,9 @@ Allows to define concurrency/delay parameters on per slot (domain) basis: - :setting:`CONCURRENT_REQUESTS_PER_DOMAIN`: ``concurrency`` - :setting:`RANDOMIZE_DOWNLOAD_DELAY`: ``randomize_delay`` + There is no global setting for ``throttle``, whose default value is + ``None``. + .. setting:: DOWNLOAD_TIMEOUT diff --git a/scrapy/core/downloader/__init__.py b/scrapy/core/downloader/__init__.py index 666282856..ecd3e8b56 100644 --- a/scrapy/core/downloader/__init__.py +++ b/scrapy/core/downloader/__init__.py @@ -2,7 +2,7 @@ import random from collections import deque from datetime import datetime from time import time -from typing import TYPE_CHECKING, Any, Deque, Dict, Set, Tuple, cast +from typing import TYPE_CHECKING, Any, Deque, Dict, Optional, Set, Tuple, cast from twisted.internet import task from twisted.internet.defer import Deferred @@ -24,10 +24,18 @@ if TYPE_CHECKING: class Slot: """Downloader slot""" - def __init__(self, concurrency: int, delay: float, randomize_delay: bool): + def __init__( + self, + concurrency: int, + delay: float, + randomize_delay: bool, + *, + throttle: Optional[bool] = None, + ): self.concurrency: int = concurrency self.delay: float = delay self.randomize_delay: bool = randomize_delay + self.throttle = throttle self.active: Set[Request] = set() self.queue: Deque[Tuple[Request, Deferred]] = deque() @@ -52,13 +60,15 @@ class Slot: return ( f"{cls_name}(concurrency={self.concurrency!r}, " f"delay={self.delay:.2f}, " - f"randomize_delay={self.randomize_delay!r})" + f"randomize_delay={self.randomize_delay!r}, " + f"throttle={self.throttle!r})" ) def __str__(self) -> str: return ( f"" @@ -127,7 +137,8 @@ class Downloader: slot_settings.get("delay", delay), ) randomize_delay = slot_settings.get("randomize_delay", self.randomize_delay) - new_slot = Slot(conc, delay, randomize_delay) + throttle = slot_settings.get("throttle", None) + new_slot = Slot(conc, delay, randomize_delay, throttle=throttle) self.slots[key] = new_slot return key, self.slots[key] diff --git a/scrapy/extensions/throttle.py b/scrapy/extensions/throttle.py index bf4e6bb63..217e61a81 100644 --- a/scrapy/extensions/throttle.py +++ b/scrapy/extensions/throttle.py @@ -62,7 +62,7 @@ class AutoThrottle: ) -> None: key, slot = self._get_slot(request, spider) latency = request.meta.get("download_latency") - if latency is None or slot is None: + if latency is None or slot is None or slot.throttle is False: return olddelay = slot.delay diff --git a/tests/test_core_downloader.py b/tests/test_core_downloader.py index 9a6e9e4ff..81cff4947 100644 --- a/tests/test_core_downloader.py +++ b/tests/test_core_downloader.py @@ -7,5 +7,6 @@ class SlotTest(unittest.TestCase): def test_repr(self): slot = Slot(concurrency=8, delay=0.1, randomize_delay=True) self.assertEqual( - repr(slot), "Slot(concurrency=8, delay=0.10, randomize_delay=True)" + repr(slot), + "Slot(concurrency=8, delay=0.10, randomize_delay=True, throttle=None)", ) diff --git a/tests/test_downloaderslotssettings.py b/tests/test_downloaderslotssettings.py index 9d4072d19..ea8c5b4f0 100644 --- a/tests/test_downloaderslotssettings.py +++ b/tests/test_downloaderslotssettings.py @@ -3,8 +3,10 @@ import time from twisted.internet import defer from twisted.trial.unittest import TestCase +from scrapy import Request +from scrapy.core.downloader import Downloader, Slot from scrapy.crawler import CrawlerRunner -from scrapy.http import Request +from scrapy.utils.test import get_crawler from tests.mockserver import MockServer from tests.spiders import MetaSpider @@ -20,6 +22,7 @@ class DownloaderSlotsSettingsTestSpider(MetaSpider): "concurrency": 1, "delay": 2, "randomize_delay": False, + "throttle": False, }, "books.toscrape.com": {"delay": 3, "randomize_delay": False}, }, @@ -70,3 +73,27 @@ class CrawlTestCase(TestCase): } self.assertTrue(max(list(error_delta.values())) < tolerance) + + +def test_params(): + params = { + "concurrency": 1, + "delay": 2, + "randomize_delay": False, + "throttle": False, + } + settings = { + "DOWNLOAD_SLOTS": { + "example.com": params, + }, + } + crawler = get_crawler(settings_dict=settings) + downloader = Downloader(crawler) + downloader._slot_gc_loop.stop() # Prevent an unclean reactor. + request = Request("https://example.com") + _, actual = downloader._get_slot(request, spider=None) + expected = Slot(**params) + for param in params: + assert getattr(expected, param) == getattr( + actual, param + ), f"Slot.{param}: {getattr(expected, param)!r} != {getattr(actual, param)!r}" diff --git a/tests/test_extension_throttle.py b/tests/test_extension_throttle.py index dae4ea966..722a05c26 100644 --- a/tests/test_extension_throttle.py +++ b/tests/test_extension_throttle.py @@ -157,16 +157,17 @@ def test_startdelay_definition(min_spider, min_setting, start_setting, expected) @pytest.mark.parametrize( - ("meta", "slot"), + ("meta", "slot", "throttle"), ( - ({}, None), - ({"download_latency": 1.0}, None), - ({"download_slot": "foo"}, None), - ({"download_slot": "foo"}, "foo"), - ({"download_latency": 1.0, "download_slot": "foo"}, None), + ({}, None, None), + ({"download_latency": 1.0}, None, None), + ({"download_slot": "foo"}, None, None), + ({"download_slot": "foo"}, "foo", None), + ({"download_latency": 1.0, "download_slot": "foo"}, None, None), + ({"download_latency": 1.0, "download_slot": "foo"}, "foo", False), ), ) -def test_skipped(meta, slot): +def test_skipped(meta, slot, throttle): crawler = get_crawler() at = build_from_crawler(AutoThrottle, crawler) spider = TestSpider() @@ -177,7 +178,9 @@ def test_skipped(meta, slot): crawler.engine.downloader = Mock() crawler.engine.downloader.slots = {} if slot is not None: - crawler.engine.downloader.slots[slot] = object() + _slot = Mock() + _slot.throttle = throttle + crawler.engine.downloader.slots[slot] = _slot at._adjust_delay = None # Raise exception if called. at._response_downloaded(None, request, spider) From 4460d3ed9631f8409c24f78f1abb36345967b5d5 Mon Sep 17 00:00:00 2001 From: Lucas Belo <144740771+lucas-belo@users.noreply.github.com> Date: Wed, 13 Mar 2024 03:22:48 -0300 Subject: [PATCH 131/786] Remove tests/requirements.txt and refactor extra deps (#6272) Co-authored-by: lucasbelo777 --- conftest.py | 18 ++++++------------ tests/requirements.txt | 17 ----------------- tox.ini | 32 ++++++++++++++++++++++++++++---- 3 files changed, 34 insertions(+), 33 deletions(-) delete mode 100644 tests/requirements.txt diff --git a/conftest.py b/conftest.py index 2bfa46f5a..2ab3dffd4 100644 --- a/conftest.py +++ b/conftest.py @@ -1,10 +1,6 @@ -import platform -import sys from pathlib import Path import pytest -from twisted import version as twisted_version -from twisted.python.versions import Version from twisted.web.http import H2_ENABLED from scrapy.utils.reactor import install_reactor @@ -85,14 +81,12 @@ def only_not_asyncio(request, reactor_pytest): def requires_uvloop(request): if not request.node.get_closest_marker("requires_uvloop"): return - if sys.implementation.name == "pypy": - pytest.skip("uvloop does not support pypy properly") - if platform.system() == "Windows": - pytest.skip("uvloop does not support Windows") - if twisted_version == Version("twisted", 21, 2, 0): - pytest.skip("https://twistedmatrix.com/trac/ticket/10106") - if sys.version_info >= (3, 12): - pytest.skip("uvloop doesn't support Python 3.12 yet") + try: + import uvloop + + del uvloop + except ImportError: + pytest.skip("uvloop is not installed") def pytest_configure(config): diff --git a/tests/requirements.txt b/tests/requirements.txt deleted file mode 100644 index ca5f6ddbd..000000000 --- a/tests/requirements.txt +++ /dev/null @@ -1,17 +0,0 @@ -# Tests requirements -attrs -pexpect >= 4.8.0 -pyftpdlib >= 1.5.8 -pytest -pytest-cov==4.0.0 -pytest-xdist -sybil >= 1.3.0 # https://github.com/cjw296/sybil/issues/20#issuecomment-605433422 -testfixtures -uvloop; platform_system != "Windows" - -bpython # optional for shell wrapper tests -brotli; implementation_name != 'pypy' # optional for HTTP compress downloader middleware tests -brotlicffi; implementation_name == 'pypy' # optional for HTTP compress downloader middleware tests -zstandard; implementation_name != 'pypy' # optional for HTTP compress downloader middleware tests -ipython -pywin32; sys_platform == "win32" diff --git a/tox.ini b/tox.ini index 237aa489c..b5effb527 100644 --- a/tox.ini +++ b/tox.ini @@ -7,9 +7,23 @@ envlist = pre-commit,pylint,typing,py minversion = 1.7.0 +[test-requirements] +deps = + attrs + pexpect >= 4.8.0 + pyftpdlib >= 1.5.8 + pygments + pytest + pytest-cov==4.0.0 + pytest-xdist + sybil >= 1.3.0 # https://github.com/cjw296/sybil/issues/20#issuecomment-605433422 + testfixtures + pywin32; sys_platform == "win32" + [testenv] deps = - -rtests/requirements.txt + {[test-requirements]deps} + # mitmproxy does not support PyPy mitmproxy; implementation_name != 'pypy' passenv = @@ -81,7 +95,7 @@ deps = w3lib==1.17.0 zope.interface==5.1.0 lxml==4.4.1 - -rtests/requirements.txt + {[test-requirements]deps} # mitmproxy 8.0.0 requires upgrading some of the pinned dependencies # above, hence we do not install it in pinned environments at the moment @@ -124,8 +138,12 @@ deps = robotexclusionrulesparser Pillow Twisted[http2] - brotli - zstandard + uvloop; platform_system != "Windows" + bpython # optional for shell wrapper tests + brotli; implementation_name != 'pypy' # optional for HTTP compress downloader middleware tests + brotlicffi; implementation_name == 'pypy' # optional for HTTP compress downloader middleware tests + zstandard; implementation_name != 'pypy' # optional for HTTP compress downloader middleware tests + ipython [testenv:extra-deps-pinned] basepython = python3.8 @@ -136,6 +154,12 @@ deps = Pillow==7.1.0 robotexclusionrulesparser==1.6.2 brotlipy + uvloop==0.14.0; platform_system != "Windows" + bpython==0.7.1 + zstandard==0.1; implementation_name != 'pypy' + ipython==2.0.0 + brotli==0.5.2; implementation_name != 'pypy' + brotlicffi==0.8.0; implementation_name == 'pypy' install_command = {[pinned]install_command} setenv = {[pinned]setenv} From 8d917c0b55cbeebd284f7446ccc0f90af60729ac Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Thu, 14 Mar 2024 17:44:57 +0500 Subject: [PATCH 132/786] Run black. --- tests/test_command_check.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests/test_command_check.py b/tests/test_command_check.py index effafae54..b0f1cd38a 100644 --- a/tests/test_command_check.py +++ b/tests/test_command_check.py @@ -1,6 +1,6 @@ import sys from io import StringIO -from unittest.mock import Mock, call, PropertyMock, patch +from unittest.mock import Mock, PropertyMock, call, patch from scrapy.commands.check import Command, TextTestResult from tests.test_commands import CommandTest From f7bf3f726e3f19bf68b5e7e460f116850896eb42 Mon Sep 17 00:00:00 2001 From: igeni Date: Mon, 1 Apr 2024 16:37:23 +0300 Subject: [PATCH 133/786] modified string's concat to f-strings (#6296) --- tests/test_selector.py | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tests/test_selector.py b/tests/test_selector.py index 85527bba9..1b5f3f018 100644 --- a/tests/test_selector.py +++ b/tests/test_selector.py @@ -80,10 +80,10 @@ class SelectorTestCase(unittest.TestCase): meta = ( '' ) - head = "" + meta + "" + head = f"{meta}" body_content = '\xa3' - body = "" + body_content + "" - html = "" + head + body + "" + body = f"{body_content}" + html = f"{head}{body}" encoding = "utf-8" html_utf8 = html.encode(encoding) From 7b37dcd80d3783d3a21ff524e572019ff2b9e0ed Mon Sep 17 00:00:00 2001 From: Lorenzo Verardo Date: Thu, 4 Apr 2024 12:22:50 +0200 Subject: [PATCH 134/786] Handle robots.txt files not UTF-8 encoded --- scrapy/robotstxt.py | 2 +- tests/test_robotstxt_interface.py | 21 +++++++++++++++++++++ 2 files changed, 22 insertions(+), 1 deletion(-) diff --git a/scrapy/robotstxt.py b/scrapy/robotstxt.py index 6ea2bfd97..ad06137e2 100644 --- a/scrapy/robotstxt.py +++ b/scrapy/robotstxt.py @@ -23,7 +23,7 @@ def decode_robotstxt(robotstxt_body, spider, to_native_str_type=False): if to_native_str_type: robotstxt_body = to_unicode(robotstxt_body) else: - robotstxt_body = robotstxt_body.decode("utf-8") + robotstxt_body = robotstxt_body.decode("utf-8", errors="ignore") except UnicodeDecodeError: # If we found garbage or robots.txt in an encoding other than UTF-8, disregard it. # Switch to 'allow all' state. diff --git a/tests/test_robotstxt_interface.py b/tests/test_robotstxt_interface.py index d7a923085..6ad30deed 100644 --- a/tests/test_robotstxt_interface.py +++ b/tests/test_robotstxt_interface.py @@ -1,5 +1,7 @@ from twisted.trial import unittest +from scrapy.robotstxt import decode_robotstxt + def reppy_available(): # check if reppy parser is installed @@ -141,6 +143,25 @@ class BaseRobotParserTest: ) +class DecodeRobotsTxtTest(unittest.TestCase): + def test_native_string_conversion(self): + robotstxt_body = "User-agent: *\nDisallow: /\n".encode("utf-8") + decoded_content = decode_robotstxt( + robotstxt_body, spider=None, to_native_str_type=True + ) + self.assertEqual(decoded_content, "User-agent: *\nDisallow: /\n") + + def test_decode_utf8(self): + robotstxt_body = "User-agent: *\nDisallow: /\n".encode("utf-8") + decoded_content = decode_robotstxt(robotstxt_body, spider=None) + self.assertEqual(decoded_content, "User-agent: *\nDisallow: /\n") + + def test_decode_non_utf8(self): + robotstxt_body = b"User-agent: *\n\xFFDisallow: /\n" + decoded_content = decode_robotstxt(robotstxt_body, spider=None) + self.assertEqual(decoded_content, "User-agent: *\nDisallow: /\n") + + class PythonRobotParserTest(BaseRobotParserTest, unittest.TestCase): def setUp(self): from scrapy.robotstxt import PythonRobotParser From 48c5a8c98f545e35708a580e724d0b8e1ada5e6e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?V=C3=ADctor=20Ruiz?= Date: Mon, 8 Apr 2024 11:47:53 +0200 Subject: [PATCH 135/786] Fix WrappedRequest.get_header raising TypeError if default is None (#6310) --- scrapy/http/cookies.py | 3 ++- tests/test_http_cookies.py | 7 +++++++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/scrapy/http/cookies.py b/scrapy/http/cookies.py index 2595f328e..72855bad5 100644 --- a/scrapy/http/cookies.py +++ b/scrapy/http/cookies.py @@ -170,7 +170,8 @@ class WrappedRequest: return name in self.request.headers def get_header(self, name, default=None): - return to_unicode(self.request.headers.get(name, default), errors="replace") + value = self.request.headers.get(name, default) + return to_unicode(value, errors="replace") if value is not None else None def header_items(self): return [ diff --git a/tests/test_http_cookies.py b/tests/test_http_cookies.py index 8b5554914..932644320 100644 --- a/tests/test_http_cookies.py +++ b/tests/test_http_cookies.py @@ -43,6 +43,13 @@ class WrappedRequestTest(TestCase): def test_get_header(self): self.assertEqual(self.wrapped.get_header("content-type"), "text/html") self.assertEqual(self.wrapped.get_header("xxxxx", "def"), "def") + self.assertEqual(self.wrapped.get_header("xxxxx"), None) + wrapped = WrappedRequest( + Request( + "http://www.example.com/page.html", headers={"empty-binary-header": b""} + ) + ) + self.assertEqual(wrapped.get_header("empty-binary-header"), "") def test_header_items(self): self.assertEqual(self.wrapped.header_items(), [("Content-Type", ["text/html"])]) From 1d11ea3a54607b436f9a88f07911902a4882f0e8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Thu, 11 Apr 2024 12:19:32 +0200 Subject: [PATCH 136/786] Update practices.rst --- docs/topics/practices.rst | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/docs/topics/practices.rst b/docs/topics/practices.rst index b1b8c9e9c..cd359b147 100644 --- a/docs/topics/practices.rst +++ b/docs/topics/practices.rst @@ -289,7 +289,8 @@ Here are some tips to keep in mind when dealing with these kinds of sites: services like `ProxyMesh`_. An open source alternative is `scrapoxy`_, a super proxy that you can attach your own proxies to. * use a ban avoidance service, such as `Zyte API`_, which provides a `Scrapy - plugin `__ + plugin `__ and additional + features, like `AI web scraping `__ If you are still unable to prevent your bot getting banned, consider contacting `commercial support`_. From 5f67c01d1d2cc8a0104361b0323d755e22ed93dc Mon Sep 17 00:00:00 2001 From: TechVest <166724172+TechVest@users.noreply.github.com> Date: Wed, 17 Apr 2024 16:56:26 +0800 Subject: [PATCH 137/786] chore: fix some typos in comments (#6317) Signed-off-by: TechVest --- .git-blame-ignore-revs | 4 ++-- docs/topics/broad-crawls.rst | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs index dbcebfa0a..a9fc3dd68 100644 --- a/.git-blame-ignore-revs +++ b/.git-blame-ignore-revs @@ -1,7 +1,7 @@ # .git-blame-ignore-revs # adding black formatter to all the code e211ec0aa26ecae0da8ae55d064ea60e1efe4d0d -# re applying black to the code with default line length +# reapplying black to the code with default line length 303f0a70fcf8067adf0a909c2096a5009162383a -# reaplying black again and removing line length on pre-commit black config +# reapplying black again and removing line length on pre-commit black config c5cdd0d30ceb68ccba04af0e71d1b8e6678e2962 \ No newline at end of file diff --git a/docs/topics/broad-crawls.rst b/docs/topics/broad-crawls.rst index 8be89feb2..750aae554 100644 --- a/docs/topics/broad-crawls.rst +++ b/docs/topics/broad-crawls.rst @@ -116,7 +116,7 @@ Reduce log level When doing broad crawls you are often only interested in the crawl rates you get and any errors found. These stats are reported by Scrapy when using the ``INFO`` log level. In order to save CPU (and log storage requirements) you -should not use ``DEBUG`` log level when preforming large broad crawls in +should not use ``DEBUG`` log level when performing large broad crawls in production. Using ``DEBUG`` level when developing your (broad) crawler may be fine though. From b1fe97dc6c8509d58b29c61cf7801eeee1b409a9 Mon Sep 17 00:00:00 2001 From: kokobhara <146670393+kokobhara@users.noreply.github.com> Date: Wed, 17 Apr 2024 16:44:57 +0530 Subject: [PATCH 138/786] Fix test expectations (#6316) --- tests/test_utils_python.py | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/tests/test_utils_python.py b/tests/test_utils_python.py index 1d1d19146..4c60deafe 100644 --- a/tests/test_utils_python.py +++ b/tests/test_utils_python.py @@ -239,8 +239,11 @@ class UtilsPythonTestCase(unittest.TestCase): self.assertEqual(get_func_args(" ".join, stripself=True), ["iterable"]) if platform.python_implementation() == "CPython": - # doesn't work on CPython: https://bugs.python.org/issue42785 - self.assertEqual(get_func_args(operator.itemgetter(2)), []) + # This didn't work on older versions of CPython: https://github.com/python/cpython/issues/86951 + self.assertIn( + get_func_args(operator.itemgetter(2), stripself=True), + [[], ["args", "kwargs"]], + ) elif platform.python_implementation() == "PyPy": self.assertEqual( get_func_args(operator.itemgetter(2), stripself=True), ["obj"] From a166e9739962ec7cca8a655e5f20a18a1bce7d14 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 29 Apr 2024 12:39:22 +0500 Subject: [PATCH 139/786] Remove the auto-generated copyright years from the docs footer. (#6322) --- docs/conf.py | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/docs/conf.py b/docs/conf.py index 399078010..dcd2c9a3a 100644 --- a/docs/conf.py +++ b/docs/conf.py @@ -10,7 +10,6 @@ # serve to show the default. import sys -from datetime import datetime from pathlib import Path # If your extensions are in another directory, add it here. If the directory @@ -48,7 +47,7 @@ master_doc = "index" # General information about the project. project = "Scrapy" -copyright = f"2008–{datetime.now().year}, Scrapy developers" +copyright = "Scrapy developers" # The version info for the project you're documenting, acts as replacement for # |version| and |release|, also used in various other places throughout the From 57acad3c38602f4399c307c2c002f9eddde97cbc Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 29 Apr 2024 12:43:45 +0500 Subject: [PATCH 140/786] Full typing for scrapy/extensions, part 3. (#6325) --- scrapy/extensions/feedexport.py | 331 +++++++++++++++++++--------- scrapy/extensions/httpcache.py | 153 ++++++++----- scrapy/extensions/postprocessing.py | 4 +- scrapy/utils/iterators.py | 6 +- tox.ini | 14 +- 5 files changed, 328 insertions(+), 180 deletions(-) diff --git a/scrapy/extensions/feedexport.py b/scrapy/extensions/feedexport.py index 3b0dd804e..97f39afe7 100644 --- a/scrapy/extensions/feedexport.py +++ b/scrapy/extensions/feedexport.py @@ -4,6 +4,8 @@ Feed Exports extension See documentation in docs/topics/feed-exports.rst """ +from __future__ import annotations + import logging import re import sys @@ -11,18 +13,36 @@ import warnings from datetime import datetime, timezone from pathlib import Path, PureWindowsPath from tempfile import NamedTemporaryFile -from typing import IO, Any, Callable, Dict, List, Optional, Tuple, Type, Union +from typing import ( + IO, + TYPE_CHECKING, + Any, + Callable, + Dict, + Iterable, + List, + Optional, + Protocol, + Tuple, + Type, + TypeVar, + Union, + cast, +) from urllib.parse import unquote, urlparse -from twisted.internet import defer, threads -from twisted.internet.defer import DeferredList +from twisted.internet import threads +from twisted.internet.defer import Deferred, DeferredList, maybeDeferred +from twisted.python.failure import Failure from w3lib.url import file_uri_to_path from zope.interface import Interface, implementer from scrapy import Spider, signals +from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured, ScrapyDeprecationWarning from scrapy.exporters import BaseItemExporter from scrapy.extensions.postprocessing import PostProcessingManager +from scrapy.settings import BaseSettings, Settings from scrapy.utils.boto import is_botocore_available from scrapy.utils.conf import feed_complete_default_values_from_settings from scrapy.utils.defer import maybe_deferred_to_future @@ -32,6 +52,12 @@ from scrapy.utils.log import failure_to_exc_info from scrapy.utils.misc import build_from_crawler, load_object from scrapy.utils.python import without_none_values +if TYPE_CHECKING: + from _typeshed import OpenBinaryMode + + # typing.Self requires Python 3.11 + from typing_extensions import Self + logger = logging.getLogger(__name__) try: @@ -41,8 +67,19 @@ try: except ImportError: IS_BOTO3_AVAILABLE = False +UriParamsCallableT = Callable[[Dict[str, Any], Spider], Optional[Dict[str, Any]]] -def build_storage(builder, uri, *args, feed_options=None, preargs=(), **kwargs): +_StorageT = TypeVar("_StorageT", bound="FeedStorageProtocol") + + +def build_storage( + builder: Callable[..., _StorageT], + uri: str, + *args: Any, + feed_options: Optional[Dict[str, Any]] = None, + preargs: Iterable[Any] = (), + **kwargs: Any, +) -> _StorageT: kwargs["feed_options"] = feed_options return builder(*preargs, uri, *args, **kwargs) @@ -56,10 +93,10 @@ class ItemFilter: :type feed_options: dict """ - feed_options: Optional[dict] - item_classes: Tuple + feed_options: Optional[Dict[str, Any]] + item_classes: Tuple[type, ...] - def __init__(self, feed_options: Optional[dict]) -> None: + def __init__(self, feed_options: Optional[Dict[str, Any]]) -> None: self.feed_options = feed_options if feed_options is not None: self.item_classes = tuple( @@ -98,28 +135,49 @@ class IFeedStorage(Interface): """Store the given file stream""" +class FeedStorageProtocol(Protocol): + """Reimplementation of ``IFeedStorage`` that can be used in type hints.""" + + def __init__(self, uri: str, *, feed_options: Optional[Dict[str, Any]] = None): + """Initialize the storage with the parameters given in the URI and the + feed-specific options (see :setting:`FEEDS`)""" + + def open(self, spider: Spider) -> IO[bytes]: + """Open the storage for the given spider. It must return a file-like + object that will be used for the exporters""" + + def store(self, file: IO[bytes]) -> Optional[Deferred]: + """Store the given file stream""" + + @implementer(IFeedStorage) class BlockingFeedStorage: - def open(self, spider): + def open(self, spider: Spider) -> IO[bytes]: path = spider.crawler.settings["FEED_TEMPDIR"] if path and not Path(path).is_dir(): raise OSError("Not a Directory: " + str(path)) return NamedTemporaryFile(prefix="feed-", dir=path) - def store(self, file): + def store(self, file: IO[bytes]) -> Optional[Deferred]: return threads.deferToThread(self._store_in_thread, file) - def _store_in_thread(self, file): + def _store_in_thread(self, file: IO[bytes]) -> None: raise NotImplementedError @implementer(IFeedStorage) class StdoutFeedStorage: - def __init__(self, uri, _stdout=None, *, feed_options=None): + def __init__( + self, + uri: str, + _stdout: Optional[IO[bytes]] = None, + *, + feed_options: Optional[Dict[str, Any]] = None, + ): if not _stdout: _stdout = sys.stdout.buffer - self._stdout = _stdout + self._stdout: IO[bytes] = _stdout if feed_options and feed_options.get("overwrite", False) is True: logger.warning( "Standard output (stdout) storage does not support " @@ -128,54 +186,58 @@ class StdoutFeedStorage: "it to False." ) - def open(self, spider): + def open(self, spider: Spider) -> IO[bytes]: return self._stdout - def store(self, file): + def store(self, file: IO[bytes]) -> Optional[Deferred]: pass @implementer(IFeedStorage) class FileFeedStorage: - def __init__(self, uri, *, feed_options=None): - self.path = file_uri_to_path(uri) + def __init__(self, uri: str, *, feed_options: Optional[Dict[str, Any]] = None): + self.path: str = file_uri_to_path(uri) feed_options = feed_options or {} - self.write_mode = "wb" if feed_options.get("overwrite", False) else "ab" + self.write_mode: OpenBinaryMode = ( + "wb" if feed_options.get("overwrite", False) else "ab" + ) - def open(self, spider) -> IO[Any]: + def open(self, spider: Spider) -> IO[bytes]: dirname = Path(self.path).parent if dirname and not dirname.exists(): dirname.mkdir(parents=True) return Path(self.path).open(self.write_mode) - def store(self, file): + def store(self, file: IO[bytes]) -> Optional[Deferred]: file.close() + return None class S3FeedStorage(BlockingFeedStorage): def __init__( self, - uri, - access_key=None, - secret_key=None, - acl=None, - endpoint_url=None, + uri: str, + access_key: Optional[str] = None, + secret_key: Optional[str] = None, + acl: Optional[str] = None, + endpoint_url: Optional[str] = None, *, - feed_options=None, - session_token=None, - region_name=None, + feed_options: Optional[Dict[str, Any]] = None, + session_token: Optional[str] = None, + region_name: Optional[str] = None, ): if not is_botocore_available(): raise NotConfigured("missing botocore library") u = urlparse(uri) - self.bucketname = u.hostname - self.access_key = u.username or access_key - self.secret_key = u.password or secret_key - self.session_token = session_token - self.keyname = u.path[1:] # remove first "/" - self.acl = acl - self.endpoint_url = endpoint_url - self.region_name = region_name + assert u.hostname + self.bucketname: str = u.hostname + self.access_key: Optional[str] = u.username or access_key + self.secret_key: Optional[str] = u.password or secret_key + self.session_token: Optional[str] = session_token + self.keyname: str = u.path[1:] # remove first "/" + self.acl: Optional[str] = acl + self.endpoint_url: Optional[str] = endpoint_url + self.region_name: Optional[str] = region_name if IS_BOTO3_AVAILABLE: import boto3.session @@ -218,7 +280,13 @@ class S3FeedStorage(BlockingFeedStorage): ) @classmethod - def from_crawler(cls, crawler, uri, *, feed_options=None): + def from_crawler( + cls, + crawler: Crawler, + uri: str, + *, + feed_options: Optional[Dict[str, Any]] = None, + ) -> Self: return build_storage( cls, uri, @@ -231,8 +299,9 @@ class S3FeedStorage(BlockingFeedStorage): feed_options=feed_options, ) - def _store_in_thread(self, file): + def _store_in_thread(self, file: IO[bytes]) -> None: file.seek(0) + kwargs: Dict[str, Any] if IS_BOTO3_AVAILABLE: kwargs = {"ExtraArgs": {"ACL": self.acl}} if self.acl else {} self.s3_client.upload_fileobj( @@ -247,22 +316,23 @@ class S3FeedStorage(BlockingFeedStorage): class GCSFeedStorage(BlockingFeedStorage): - def __init__(self, uri, project_id, acl): - self.project_id = project_id - self.acl = acl + def __init__(self, uri: str, project_id: Optional[str], acl: Optional[str]): + self.project_id: Optional[str] = project_id + self.acl: Optional[str] = acl u = urlparse(uri) - self.bucket_name = u.hostname - self.blob_name = u.path[1:] # remove first "/" + assert u.hostname + self.bucket_name: str = u.hostname + self.blob_name: str = u.path[1:] # remove first "/" @classmethod - def from_crawler(cls, crawler, uri): + def from_crawler(cls, crawler: Crawler, uri: str) -> Self: return cls( uri, crawler.settings["GCS_PROJECT_ID"], crawler.settings["FEED_STORAGE_GCS_ACL"] or None, ) - def _store_in_thread(self, file): + def _store_in_thread(self, file: IO[bytes]) -> None: file.seek(0) from google.cloud.storage import Client @@ -292,7 +362,13 @@ class FTPFeedStorage(BlockingFeedStorage): self.overwrite: bool = not feed_options or feed_options.get("overwrite", True) @classmethod - def from_crawler(cls, crawler, uri, *, feed_options=None): + def from_crawler( + cls, + crawler: Crawler, + uri: str, + *, + feed_options: Optional[Dict[str, Any]] = None, + ) -> Self: return build_storage( cls, uri, @@ -300,7 +376,7 @@ class FTPFeedStorage(BlockingFeedStorage): feed_options=feed_options, ) - def _store_in_thread(self, file): + def _store_in_thread(self, file: IO[bytes]) -> None: ftp_store_file( path=self.path, file=file, @@ -316,46 +392,51 @@ class FTPFeedStorage(BlockingFeedStorage): class FeedSlot: def __init__( self, - storage, - uri, - format, - store_empty, - batch_id, - uri_template, - filter, - feed_options, - spider, + storage: FeedStorageProtocol, + uri: str, + format: str, + store_empty: bool, + batch_id: int, + uri_template: str, + filter: ItemFilter, + feed_options: Dict[str, Any], + spider: Spider, exporters: Dict[str, Type[BaseItemExporter]], - settings, - crawler, + settings: BaseSettings, + crawler: Crawler, ): - self.file = None + self.file: Optional[IO[bytes]] = None self.exporter: Optional[BaseItemExporter] = None - self.storage = storage + self.storage: FeedStorageProtocol = storage # feed params - self.batch_id = batch_id - self.format = format - self.store_empty = store_empty - self.uri_template = uri_template - self.uri = uri - self.filter = filter + self.batch_id: int = batch_id + self.format: str = format + self.store_empty: bool = store_empty + self.uri_template: str = uri_template + self.uri: str = uri + self.filter: ItemFilter = filter # exporter params - self.feed_options = feed_options - self.spider = spider + self.feed_options: Dict[str, Any] = feed_options + self.spider: Spider = spider self.exporters: Dict[str, Type[BaseItemExporter]] = exporters - self.settings = settings - self.crawler = crawler + self.settings: BaseSettings = settings + self.crawler: Crawler = crawler # flags - self.itemcount = 0 - self._exporting = False - self._fileloaded = False + self.itemcount: int = 0 + self._exporting: bool = False + self._fileloaded: bool = False - def start_exporting(self): + def start_exporting(self) -> None: if not self._fileloaded: self.file = self.storage.open(self.spider) if "postprocessing" in self.feed_options: - self.file = PostProcessingManager( - self.feed_options["postprocessing"], self.file, self.feed_options + self.file = cast( + IO[bytes], + PostProcessingManager( + self.feed_options["postprocessing"], + self.file, + self.feed_options, + ), ) self.exporter = self._get_exporter( file=self.file, @@ -368,17 +449,23 @@ class FeedSlot: self._fileloaded = True if not self._exporting: + assert self.exporter self.exporter.start_exporting() self._exporting = True - def _get_instance(self, objcls, *args, **kwargs): + def _get_instance( + self, objcls: Type[BaseItemExporter], *args: Any, **kwargs: Any + ) -> BaseItemExporter: return build_from_crawler(objcls, self.crawler, *args, **kwargs) - def _get_exporter(self, file, format, *args, **kwargs) -> BaseItemExporter: + def _get_exporter( + self, file: IO[bytes], format: str, *args: Any, **kwargs: Any + ) -> BaseItemExporter: return self._get_instance(self.exporters[format], file, *args, **kwargs) - def finish_exporting(self): + def finish_exporting(self) -> None: if self._exporting: + assert self.exporter self.exporter.finish_exporting() self._exporting = False @@ -390,22 +477,22 @@ _FeedSlot = create_deprecated_class( class FeedExporter: - _pending_deferreds: List[defer.Deferred] = [] + _pending_deferreds: List[Deferred] = [] @classmethod - def from_crawler(cls, crawler): + def from_crawler(cls, crawler: Crawler) -> Self: exporter = cls(crawler) crawler.signals.connect(exporter.open_spider, signals.spider_opened) crawler.signals.connect(exporter.close_spider, signals.spider_closed) crawler.signals.connect(exporter.item_scraped, signals.item_scraped) return exporter - def __init__(self, crawler): - self.crawler = crawler - self.settings = crawler.settings + def __init__(self, crawler: Crawler): + self.crawler: Crawler = crawler + self.settings: Settings = crawler.settings self.feeds = {} - self.slots = [] - self.filters = {} + self.slots: List[FeedSlot] = [] + self.filters: Dict[str, ItemFilter] = {} if not self.settings["FEEDS"] and not self.settings["FEED_URI"]: raise NotConfigured @@ -437,8 +524,12 @@ class FeedExporter: ) self.filters[uri] = self._load_filter(feed_options) - self.storages = self._load_components("FEED_STORAGES") - self.exporters = self._load_components("FEED_EXPORTERS") + self.storages: Dict[str, Type[FeedStorageProtocol]] = self._load_components( + "FEED_STORAGES" + ) + self.exporters: Dict[str, Type[BaseItemExporter]] = self._load_components( + "FEED_EXPORTERS" + ) for uri, feed_options in self.feeds.items(): if not self._storage_supported(uri, feed_options): raise NotConfigured @@ -447,7 +538,7 @@ class FeedExporter: if not self._exporter_supported(feed_options["format"]): raise NotConfigured - def open_spider(self, spider): + def open_spider(self, spider: Spider) -> None: for uri, feed_options in self.feeds.items(): uri_params = self._get_uri_params(spider, feed_options["uri_params"]) self.slots.append( @@ -460,7 +551,7 @@ class FeedExporter: ) ) - async def close_spider(self, spider): + async def close_spider(self, spider: Spider) -> None: for slot in self.slots: self._close_slot(slot, spider) @@ -473,8 +564,9 @@ class FeedExporter: self.crawler.signals.send_catch_log_deferred(signals.feed_exporter_closed) ) - def _close_slot(self, slot, spider): - def get_file(slot_): + def _close_slot(self, slot: FeedSlot, spider: Spider) -> Optional[Deferred]: + def get_file(slot_: FeedSlot) -> IO[bytes]: + assert slot_.file if isinstance(slot_.file, PostProcessingManager): slot_.file.close() return slot_.file.file @@ -492,7 +584,7 @@ class FeedExporter: return None logmsg = f"{slot.format} feed ({slot.itemcount} items) in: {slot.uri}" - d = defer.maybeDeferred(slot.storage.store, get_file(slot)) + d: Deferred = maybeDeferred(slot.storage.store, get_file(slot)) d.addCallback( self._handle_store_success, logmsg, spider, type(slot.storage).__name__ @@ -510,20 +602,33 @@ class FeedExporter: return d - def _handle_store_error(self, f, logmsg, spider, slot_type): + def _handle_store_error( + self, f: Failure, logmsg: str, spider: Spider, slot_type: str + ) -> None: logger.error( "Error storing %s", logmsg, exc_info=failure_to_exc_info(f), extra={"spider": spider}, ) + assert self.crawler.stats self.crawler.stats.inc_value(f"feedexport/failed_count/{slot_type}") - def _handle_store_success(self, f, logmsg, spider, slot_type): + def _handle_store_success( + self, f: Failure, logmsg: str, spider: Spider, slot_type: str + ) -> None: logger.info("Stored %s", logmsg, extra={"spider": spider}) + assert self.crawler.stats self.crawler.stats.inc_value(f"feedexport/success_count/{slot_type}") - def _start_new_batch(self, batch_id, uri, feed_options, spider, uri_template): + def _start_new_batch( + self, + batch_id: int, + uri: str, + feed_options: Dict[str, Any], + spider: Spider, + uri_template: str, + ) -> FeedSlot: """ Redirect the output data stream to a new file. Execute multiple times if FEED_EXPORT_BATCH_ITEM_COUNT setting or FEEDS.batch_item_count is specified @@ -546,11 +651,11 @@ class FeedExporter: spider=spider, exporters=self.exporters, settings=self.settings, - crawler=getattr(self, "crawler", None), + crawler=self.crawler, ) return slot - def item_scraped(self, item, spider): + def item_scraped(self, item: Any, spider: Spider) -> None: slots = [] for slot in self.slots: if not slot.filter.accepts(item): @@ -560,6 +665,7 @@ class FeedExporter: continue slot.start_exporting() + assert slot.exporter slot.exporter.export_item(item) slot.itemcount += 1 # create new slot for each slot with itemcount == FEED_EXPORT_BATCH_ITEM_COUNT and close the old one @@ -584,7 +690,7 @@ class FeedExporter: slots.append(slot) self.slots = slots - def _load_components(self, setting_prefix): + def _load_components(self, setting_prefix: str) -> Dict[str, Any]: conf = without_none_values(self.settings.getwithbase(setting_prefix)) d = {} for k, v in conf.items(): @@ -594,12 +700,13 @@ class FeedExporter: pass return d - def _exporter_supported(self, format): + def _exporter_supported(self, format: str) -> bool: if format in self.exporters: return True logger.error("Unknown feed format: %(format)s", {"format": format}) + return False - def _settings_are_valid(self): + def _settings_are_valid(self) -> bool: """ If FEED_EXPORT_BATCH_ITEM_COUNT setting or FEEDS.batch_item_count is specified uri has to contain %(batch_time)s or %(batch_id)d to distinguish different files of partial output @@ -617,7 +724,7 @@ class FeedExporter: return False return True - def _storage_supported(self, uri, feed_options): + def _storage_supported(self, uri: str, feed_options: Dict[str, Any]) -> bool: scheme = urlparse(uri).scheme if scheme in self.storages or PureWindowsPath(uri).drive: try: @@ -630,8 +737,11 @@ class FeedExporter: ) else: logger.error("Unknown feed storage scheme: %(scheme)s", {"scheme": scheme}) + return False - def _get_storage(self, uri, feed_options): + def _get_storage( + self, uri: str, feed_options: Dict[str, Any] + ) -> FeedStorageProtocol: """Fork of create_instance specific to feed storage classes It supports not passing the *feed_options* parameters to classes that @@ -640,11 +750,14 @@ class FeedExporter: feedcls = self.storages.get(urlparse(uri).scheme, self.storages["file"]) crawler = getattr(self, "crawler", None) - def build_instance(builder, *preargs): + def build_instance( + builder: Type[FeedStorageProtocol], *preargs: Any + ) -> FeedStorageProtocol: return build_storage( builder, uri, feed_options=feed_options, preargs=preargs ) + instance: FeedStorageProtocol if crawler and hasattr(feedcls, "from_crawler"): instance = build_instance(feedcls.from_crawler, crawler) method_name = "from_crawler" @@ -661,9 +774,9 @@ class FeedExporter: def _get_uri_params( self, spider: Spider, - uri_params_function: Optional[Union[str, Callable[[dict, Spider], dict]]], + uri_params_function: Union[str, UriParamsCallableT, None], slot: Optional[FeedSlot] = None, - ) -> dict: + ) -> Dict[str, Any]: params = {} for k in dir(spider): params[k] = getattr(spider, k) @@ -671,7 +784,7 @@ class FeedExporter: params["time"] = utc_now.replace(microsecond=0).isoformat().replace(":", "-") params["batch_time"] = utc_now.isoformat().replace(":", "-") params["batch_id"] = slot.batch_id + 1 if slot is not None else 1 - uripar_function = ( + uripar_function: UriParamsCallableT = ( load_object(uri_params_function) if uri_params_function else lambda params, _: params @@ -679,7 +792,9 @@ class FeedExporter: new_params = uripar_function(params, spider) return new_params if new_params is not None else params - def _load_filter(self, feed_options): + def _load_filter(self, feed_options: Dict[str, Any]) -> ItemFilter: # load the item filter if declared else load the default filter class - item_filter_class = load_object(feed_options.get("item_filter", ItemFilter)) + item_filter_class: Type[ItemFilter] = load_object( + feed_options.get("item_filter", ItemFilter) + ) return item_filter_class(feed_options) diff --git a/scrapy/extensions/httpcache.py b/scrapy/extensions/httpcache.py index 335728502..dd5bce24f 100644 --- a/scrapy/extensions/httpcache.py +++ b/scrapy/extensions/httpcache.py @@ -1,10 +1,13 @@ import gzip import logging +import os import pickle # nosec from email.utils import mktime_tz, parsedate_tz from importlib import import_module from pathlib import Path from time import time +from types import ModuleType +from typing import IO, TYPE_CHECKING, Any, Callable, Dict, List, Optional, Union, cast from weakref import WeakKeyDictionary from w3lib.http import headers_dict_to_raw, headers_raw_to_dict @@ -12,49 +15,65 @@ from w3lib.http import headers_dict_to_raw, headers_raw_to_dict from scrapy.http import Headers, Response from scrapy.http.request import Request from scrapy.responsetypes import responsetypes +from scrapy.settings import BaseSettings from scrapy.spiders import Spider from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.project import data_path from scrapy.utils.python import to_bytes, to_unicode +from scrapy.utils.request import RequestFingerprinter + +if TYPE_CHECKING: + # typing.Concatenate requires Python 3.10 + from typing_extensions import Concatenate + logger = logging.getLogger(__name__) class DummyPolicy: - def __init__(self, settings): - self.ignore_schemes = settings.getlist("HTTPCACHE_IGNORE_SCHEMES") - self.ignore_http_codes = [ + def __init__(self, settings: BaseSettings): + self.ignore_schemes: List[str] = settings.getlist("HTTPCACHE_IGNORE_SCHEMES") + self.ignore_http_codes: List[int] = [ int(x) for x in settings.getlist("HTTPCACHE_IGNORE_HTTP_CODES") ] - def should_cache_request(self, request): + def should_cache_request(self, request: Request) -> bool: return urlparse_cached(request).scheme not in self.ignore_schemes - def should_cache_response(self, response, request): + def should_cache_response(self, response: Response, request: Request) -> bool: return response.status not in self.ignore_http_codes - def is_cached_response_fresh(self, cachedresponse, request): + def is_cached_response_fresh( + self, cachedresponse: Response, request: Request + ) -> bool: return True - def is_cached_response_valid(self, cachedresponse, response, request): + def is_cached_response_valid( + self, cachedresponse: Response, response: Response, request: Request + ) -> bool: return True class RFC2616Policy: MAXAGE = 3600 * 24 * 365 # one year - def __init__(self, settings): - self.always_store = settings.getbool("HTTPCACHE_ALWAYS_STORE") - self.ignore_schemes = settings.getlist("HTTPCACHE_IGNORE_SCHEMES") - self._cc_parsed = WeakKeyDictionary() - self.ignore_response_cache_controls = [ + def __init__(self, settings: BaseSettings): + self.always_store: bool = settings.getbool("HTTPCACHE_ALWAYS_STORE") + self.ignore_schemes: List[str] = settings.getlist("HTTPCACHE_IGNORE_SCHEMES") + self._cc_parsed: WeakKeyDictionary[ + Union[Request, Response], Dict[bytes, Optional[bytes]] + ] = WeakKeyDictionary() + self.ignore_response_cache_controls: List[bytes] = [ to_bytes(cc) for cc in settings.getlist("HTTPCACHE_IGNORE_RESPONSE_CACHE_CONTROLS") ] - def _parse_cachecontrol(self, r): + def _parse_cachecontrol( + self, r: Union[Request, Response] + ) -> Dict[bytes, Optional[bytes]]: if r not in self._cc_parsed: cch = r.headers.get(b"Cache-Control", b"") + assert cch is not None parsed = parse_cachecontrol(cch) if isinstance(r, Response): for key in self.ignore_response_cache_controls: @@ -62,7 +81,7 @@ class RFC2616Policy: self._cc_parsed[r] = parsed return self._cc_parsed[r] - def should_cache_request(self, request): + def should_cache_request(self, request: Request) -> bool: if urlparse_cached(request).scheme in self.ignore_schemes: return False cc = self._parse_cachecontrol(request) @@ -72,7 +91,7 @@ class RFC2616Policy: # Any other is eligible for caching return True - def should_cache_response(self, response, request): + def should_cache_response(self, response: Response, request: Request) -> bool: # What is cacheable - https://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9.1 # Response cacheability - https://www.w3.org/Protocols/rfc2616/rfc2616-sec13.html#sec13.4 # Status code 206 is not included because cache can not deal with partial contents @@ -100,7 +119,9 @@ class RFC2616Policy: # info and can not be revalidated return False - def is_cached_response_fresh(self, cachedresponse, request): + def is_cached_response_fresh( + self, cachedresponse: Response, request: Request + ) -> bool: cc = self._parse_cachecontrol(cachedresponse) ccreq = self._parse_cachecontrol(request) if b"no-cache" in cc or b"no-cache" in ccreq: @@ -141,7 +162,9 @@ class RFC2616Policy: self._set_conditional_validators(request, cachedresponse) return False - def is_cached_response_valid(self, cachedresponse, response, request): + def is_cached_response_valid( + self, cachedresponse: Response, response: Response, request: Request + ) -> bool: # Use the cached response if the new response is a server error, # as long as the old response didn't specify must-revalidate. if response.status >= 500: @@ -152,7 +175,9 @@ class RFC2616Policy: # Use the cached response if the server says it hasn't changed. return response.status == 304 - def _set_conditional_validators(self, request, cachedresponse): + def _set_conditional_validators( + self, request: Request, cachedresponse: Response + ) -> None: if b"Last-Modified" in cachedresponse.headers: request.headers[b"If-Modified-Since"] = cachedresponse.headers[ b"Last-Modified" @@ -161,13 +186,15 @@ class RFC2616Policy: if b"ETag" in cachedresponse.headers: request.headers[b"If-None-Match"] = cachedresponse.headers[b"ETag"] - def _get_max_age(self, cc): + def _get_max_age(self, cc: Dict[bytes, Optional[bytes]]) -> Optional[int]: try: - return max(0, int(cc[b"max-age"])) + return max(0, int(cc[b"max-age"])) # type: ignore[arg-type] except (KeyError, ValueError): return None - def _compute_freshness_lifetime(self, response, request, now): + def _compute_freshness_lifetime( + self, response: Response, request: Request, now: float + ) -> float: # Reference nsHttpResponseHead::ComputeFreshnessLifetime # https://dxr.mozilla.org/mozilla-central/source/netwerk/protocol/http/nsHttpResponseHead.cpp#706 cc = self._parse_cachecontrol(response) @@ -198,10 +225,12 @@ class RFC2616Policy: # Insufficient information to compute freshness lifetime return 0 - def _compute_current_age(self, response, request, now): + def _compute_current_age( + self, response: Response, request: Request, now: float + ) -> float: # Reference nsHttpResponseHead::ComputeCurrentAge # https://dxr.mozilla.org/mozilla-central/source/netwerk/protocol/http/nsHttpResponseHead.cpp#658 - currentage = 0 + currentage: float = 0 # If Date header is not set we assume it is a fast connection, and # clock is in sync with the server date = rfc1123_to_epoch(response.headers.get(b"Date")) or now @@ -210,7 +239,7 @@ class RFC2616Policy: if b"Age" in response.headers: try: - age = int(response.headers[b"Age"]) + age = int(response.headers[b"Age"]) # type: ignore[arg-type] currentage = max(currentage, age) except ValueError: pass @@ -219,13 +248,13 @@ class RFC2616Policy: class DbmCacheStorage: - def __init__(self, settings): - self.cachedir = data_path(settings["HTTPCACHE_DIR"], createdir=True) - self.expiration_secs = settings.getint("HTTPCACHE_EXPIRATION_SECS") - self.dbmodule = import_module(settings["HTTPCACHE_DBM_MODULE"]) - self.db = None + def __init__(self, settings: BaseSettings): + self.cachedir: str = data_path(settings["HTTPCACHE_DIR"], createdir=True) + self.expiration_secs: int = settings.getint("HTTPCACHE_EXPIRATION_SECS") + self.dbmodule: ModuleType = import_module(settings["HTTPCACHE_DBM_MODULE"]) + self.db: Any = None # the real type is private - def open_spider(self, spider: Spider): + def open_spider(self, spider: Spider) -> None: dbpath = Path(self.cachedir, f"{spider.name}.db") self.db = self.dbmodule.open(str(dbpath), "c") @@ -235,15 +264,16 @@ class DbmCacheStorage: extra={"spider": spider}, ) - self._fingerprinter = spider.crawler.request_fingerprinter + assert spider.crawler.request_fingerprinter + self._fingerprinter: RequestFingerprinter = spider.crawler.request_fingerprinter - def close_spider(self, spider): + def close_spider(self, spider: Spider) -> None: self.db.close() - def retrieve_response(self, spider, request): + def retrieve_response(self, spider: Spider, request: Request) -> Optional[Response]: data = self._read_data(spider, request) if data is None: - return # not cached + return None # not cached url = data["url"] status = data["status"] headers = Headers(data["headers"]) @@ -252,7 +282,9 @@ class DbmCacheStorage: response = respcls(url=url, headers=headers, status=status, body=body) return response - def store_response(self, spider, request, response): + def store_response( + self, spider: Spider, request: Request, response: Response + ) -> None: key = self._fingerprinter.fingerprint(request).hex() data = { "status": response.status, @@ -263,28 +295,31 @@ class DbmCacheStorage: self.db[f"{key}_data"] = pickle.dumps(data, protocol=4) self.db[f"{key}_time"] = str(time()) - def _read_data(self, spider, request): + def _read_data(self, spider: Spider, request: Request) -> Optional[Dict[str, Any]]: key = self._fingerprinter.fingerprint(request).hex() db = self.db tkey = f"{key}_time" if tkey not in db: - return # not found + return None # not found ts = db[tkey] if 0 < self.expiration_secs < time() - float(ts): - return # expired + return None # expired - return pickle.loads(db[f"{key}_data"]) # nosec + return cast(Dict[str, Any], pickle.loads(db[f"{key}_data"])) # nosec class FilesystemCacheStorage: - def __init__(self, settings): - self.cachedir = data_path(settings["HTTPCACHE_DIR"]) - self.expiration_secs = settings.getint("HTTPCACHE_EXPIRATION_SECS") - self.use_gzip = settings.getbool("HTTPCACHE_GZIP") - self._open = gzip.open if self.use_gzip else open + def __init__(self, settings: BaseSettings): + self.cachedir: str = data_path(settings["HTTPCACHE_DIR"]) + self.expiration_secs: int = settings.getint("HTTPCACHE_EXPIRATION_SECS") + self.use_gzip: bool = settings.getbool("HTTPCACHE_GZIP") + # https://github.com/python/mypy/issues/10740 + self._open: Callable[Concatenate[Union[str, os.PathLike], str, ...], IO] = ( + gzip.open if self.use_gzip else open # type: ignore[assignment] + ) - def open_spider(self, spider: Spider): + def open_spider(self, spider: Spider) -> None: logger.debug( "Using filesystem cache storage in %(cachedir)s", {"cachedir": self.cachedir}, @@ -294,27 +329,29 @@ class FilesystemCacheStorage: assert spider.crawler.request_fingerprinter self._fingerprinter = spider.crawler.request_fingerprinter - def close_spider(self, spider): + def close_spider(self, spider: Spider) -> None: pass - def retrieve_response(self, spider: Spider, request: Request): + def retrieve_response(self, spider: Spider, request: Request) -> Optional[Response]: """Return response if present in cache, or None otherwise.""" metadata = self._read_meta(spider, request) if metadata is None: - return # not cached + return None # not cached rpath = Path(self._get_request_path(spider, request)) with self._open(rpath / "response_body", "rb") as f: body = f.read() with self._open(rpath / "response_headers", "rb") as f: rawheaders = f.read() - url = metadata.get("response_url") + url = metadata["response_url"] status = metadata["status"] headers = Headers(headers_raw_to_dict(rawheaders)) respcls = responsetypes.from_args(headers=headers, url=url, body=body) response = respcls(url=url, headers=headers, status=status, body=body) return response - def store_response(self, spider: Spider, request: Request, response): + def store_response( + self, spider: Spider, request: Request, response: Response + ) -> None: """Store the given response in the cache.""" rpath = Path(self._get_request_path(spider, request)) if not rpath.exists(): @@ -343,19 +380,19 @@ class FilesystemCacheStorage: key = self._fingerprinter.fingerprint(request).hex() return str(Path(self.cachedir, spider.name, key[0:2], key)) - def _read_meta(self, spider: Spider, request: Request): + def _read_meta(self, spider: Spider, request: Request) -> Optional[Dict[str, Any]]: rpath = Path(self._get_request_path(spider, request)) metapath = rpath / "pickled_meta" if not metapath.exists(): - return # not found + return None # not found mtime = metapath.stat().st_mtime if 0 < self.expiration_secs < time() - mtime: - return # expired + return None # expired with self._open(metapath, "rb") as f: - return pickle.load(f) # nosec + return cast(Dict[str, Any], pickle.load(f)) # nosec -def parse_cachecontrol(header): +def parse_cachecontrol(header: bytes) -> Dict[bytes, Optional[bytes]]: """Parse Cache-Control header https://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9 @@ -375,9 +412,9 @@ def parse_cachecontrol(header): return directives -def rfc1123_to_epoch(date_str): +def rfc1123_to_epoch(date_str: Union[str, bytes, None]) -> Optional[int]: try: - date_str = to_unicode(date_str, encoding="ascii") - return mktime_tz(parsedate_tz(date_str)) + date_str = to_unicode(date_str, encoding="ascii") # type: ignore[arg-type] + return mktime_tz(parsedate_tz(date_str)) # type: ignore[arg-type] except Exception: return None diff --git a/scrapy/extensions/postprocessing.py b/scrapy/extensions/postprocessing.py index 7ffbd8bc3..ac12ad829 100644 --- a/scrapy/extensions/postprocessing.py +++ b/scrapy/extensions/postprocessing.py @@ -6,7 +6,7 @@ from bz2 import BZ2File from gzip import GzipFile from io import IOBase from lzma import LZMAFile -from typing import Any, BinaryIO, Dict, List, cast +from typing import IO, Any, BinaryIO, Dict, List, cast from scrapy.utils.misc import load_object @@ -126,7 +126,7 @@ class PostProcessingManager(IOBase): """ def __init__( - self, plugins: List[Any], file: BinaryIO, feed_options: Dict[str, Any] + self, plugins: List[Any], file: IO[bytes], feed_options: Dict[str, Any] ) -> None: self.plugins = self._load_plugins(plugins) self.file = file diff --git a/scrapy/utils/iterators.py b/scrapy/utils/iterators.py index 49493e9c6..cd6e9d04e 100644 --- a/scrapy/utils/iterators.py +++ b/scrapy/utils/iterators.py @@ -3,7 +3,6 @@ import logging import re from io import StringIO from typing import ( - TYPE_CHECKING, Any, Callable, Dict, @@ -25,9 +24,6 @@ from scrapy.http import Response, TextResponse from scrapy.selector import Selector from scrapy.utils.python import re_rsearch, to_unicode -if TYPE_CHECKING: - from lxml._types import SupportsReadClose # nosec - logger = logging.getLogger(__name__) @@ -98,7 +94,7 @@ def xmliter_lxml( reader = _StreamReader(obj) tag = f"{{{namespace}}}{nodename}" if namespace else nodename iterable = etree.iterparse( - cast("SupportsReadClose[bytes]", reader), + reader, encoding=reader.encoding, events=("end", "start-ns"), resolve_entities=False, diff --git a/tox.ini b/tox.ini index b5effb527..d7527bb04 100644 --- a/tox.ini +++ b/tox.ini @@ -43,14 +43,14 @@ install_command = [testenv:typing] basepython = python3 deps = - mypy==1.8.0 - typing-extensions==4.10.0 + mypy==1.10.0 + typing-extensions==4.11.0 types-attrs==19.1.0 - types-lxml==2024.2.9 - types-Pillow==10.2.0.20240213 - types-Pygments==2.17.0.20240106 - types-pyOpenSSL==24.0.0.20240130 - types-setuptools==69.1.0.20240223 + types-lxml==2024.4.14 + types-Pillow==10.2.0.20240423 + types-Pygments==2.17.0.20240310 + types-pyOpenSSL==24.0.0.20240417 + types-setuptools==69.5.0.20240423 # 2.1.2 fixes a typing bug: https://github.com/scrapy/w3lib/pull/211 w3lib >= 2.1.2 commands = From d7da298e0637d105dcec379f6cbb3196e752ae72 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 29 Apr 2024 19:14:59 +0500 Subject: [PATCH 141/786] Typing for build_from_*. (#6326) --- scrapy/core/engine.py | 3 ++- scrapy/core/scheduler.py | 2 ++ scrapy/crawler.py | 4 +++- scrapy/utils/misc.py | 28 +++++++++++++++++++--------- 4 files changed, 26 insertions(+), 11 deletions(-) diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index 2db085081..93a0c51bc 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -366,7 +366,8 @@ class ExecutionEngine: self.slot = Slot(start_requests, close_if_idle, nextcall, scheduler) self.spider = spider if hasattr(scheduler, "open"): - yield scheduler.open(spider) + if d := scheduler.open(spider): + yield d yield self.scraper.open_spider(spider) assert self.crawler.stats self.crawler.stats.open_spider(spider) diff --git a/scrapy/core/scheduler.py b/scrapy/core/scheduler.py index f41b83a67..b2209e53f 100644 --- a/scrapy/core/scheduler.py +++ b/scrapy/core/scheduler.py @@ -322,6 +322,7 @@ class Scheduler(BaseScheduler): def _mq(self): """Create a new priority queue instance, with in-memory storage""" + assert self.crawler return build_from_crawler( self.pqclass, self.crawler, @@ -331,6 +332,7 @@ class Scheduler(BaseScheduler): def _dq(self): """Create a new priority queue instance, with disk storage""" + assert self.crawler assert self.dqdir state = self._read_dqs_state(self.dqdir) q = build_from_crawler( diff --git a/scrapy/crawler.py b/scrapy/crawler.py index 1db9ace28..ccfe78891 100644 --- a/scrapy/crawler.py +++ b/scrapy/crawler.py @@ -445,7 +445,9 @@ class CrawlerProcess(CrawlerRunner): d.addBoth(self._stop_reactor) resolver_class = load_object(self.settings["DNS_RESOLVER"]) - resolver = build_from_crawler(resolver_class, self, reactor=reactor) + # We pass self, which is CrawlerProcess, instead of Crawler here, + # which works because the default resolvers only use crawler.settings. + resolver = build_from_crawler(resolver_class, self, reactor=reactor) # type: ignore[arg-type] resolver.install_on_reactor() tp = reactor.getThreadPool() tp.adjustPoolsize(maxthreads=self.settings.getint("REACTOR_THREADPOOL_MAXSIZE")) diff --git a/scrapy/utils/misc.py b/scrapy/utils/misc.py index 7f83d06fb..faf52e44a 100644 --- a/scrapy/utils/misc.py +++ b/scrapy/utils/misc.py @@ -1,5 +1,7 @@ """Helper functions which don't fit anywhere else""" +from __future__ import annotations + import ast import hashlib import inspect @@ -22,6 +24,8 @@ from typing import ( Iterable, List, Optional, + Type, + TypeVar, Union, cast, ) @@ -32,9 +36,11 @@ from scrapy.utils.datatypes import LocalWeakReferencedCache if TYPE_CHECKING: from scrapy import Spider - + from scrapy.crawler import Crawler + from scrapy.settings import BaseSettings _ITERABLE_SINGLE_VALUES = dict, Item, str, bytes +T = TypeVar("T") def arg_to_iter(arg: Any) -> Iterable[Any]: @@ -177,7 +183,9 @@ def create_instance(objcls, settings, crawler, *args, **kwargs): return instance -def build_from_crawler(objcls, crawler, /, *args, **kwargs): +def build_from_crawler( + objcls: Type[T], crawler: Crawler, /, *args: Any, **kwargs: Any +) -> T: """Construct a class instance using its ``from_crawler`` constructor. ``*args`` and ``**kwargs`` are forwarded to the constructor. @@ -185,20 +193,22 @@ def build_from_crawler(objcls, crawler, /, *args, **kwargs): Raises ``TypeError`` if the resulting instance is ``None``. """ if hasattr(objcls, "from_crawler"): - instance = objcls.from_crawler(crawler, *args, **kwargs) + instance = objcls.from_crawler(crawler, *args, **kwargs) # type: ignore[attr-defined] method_name = "from_crawler" elif hasattr(objcls, "from_settings"): - instance = objcls.from_settings(crawler.settings, *args, **kwargs) + instance = objcls.from_settings(crawler.settings, *args, **kwargs) # type: ignore[attr-defined] method_name = "from_settings" else: instance = objcls(*args, **kwargs) method_name = "__new__" if instance is None: raise TypeError(f"{objcls.__qualname__}.{method_name} returned None") - return instance + return cast(T, instance) -def build_from_settings(objcls, settings, /, *args, **kwargs): +def build_from_settings( + objcls: Type[T], settings: BaseSettings, /, *args: Any, **kwargs: Any +) -> T: """Construct a class instance using its ``from_settings`` constructor. ``*args`` and ``**kwargs`` are forwarded to the constructor. @@ -206,14 +216,14 @@ def build_from_settings(objcls, settings, /, *args, **kwargs): Raises ``TypeError`` if the resulting instance is ``None``. """ if hasattr(objcls, "from_settings"): - instance = objcls.from_settings(settings, *args, **kwargs) + instance = objcls.from_settings(settings, *args, **kwargs) # type: ignore[attr-defined] method_name = "from_settings" else: instance = objcls(*args, **kwargs) method_name = "__new__" if instance is None: raise TypeError(f"{objcls.__qualname__}.{method_name} returned None") - return instance + return cast(T, instance) @contextmanager @@ -290,7 +300,7 @@ def is_generator_with_return_value(callable: Callable) -> bool: return bool(_generator_callbacks_cache[callable]) -def warn_on_generator_with_return_value(spider: "Spider", callable: Callable) -> None: +def warn_on_generator_with_return_value(spider: Spider, callable: Callable) -> None: """ Logs a warning if a callable is a generator function and includes a 'return' statement with a value different than None From 9eea22fb0ca99193b7f38f9f9398b278d64ea977 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 29 Apr 2024 18:59:31 +0500 Subject: [PATCH 142/786] Full typing for scrapy/cmdline.py. --- scrapy/cmdline.py | 47 ++++++++++++++++++++++++++++++++--------------- 1 file changed, 32 insertions(+), 15 deletions(-) diff --git a/scrapy/cmdline.py b/scrapy/cmdline.py index 6580ba9ce..4df5698a6 100644 --- a/scrapy/cmdline.py +++ b/scrapy/cmdline.py @@ -4,18 +4,22 @@ import inspect import os import sys from importlib.metadata import entry_points +from typing import Any, Callable, Dict, Iterable, List, Optional, Tuple, Type import scrapy from scrapy.commands import BaseRunSpiderCommand, ScrapyCommand, ScrapyHelpFormatter from scrapy.crawler import CrawlerProcess from scrapy.exceptions import UsageError +from scrapy.settings import BaseSettings, Settings from scrapy.utils.misc import walk_modules from scrapy.utils.project import get_project_settings, inside_project from scrapy.utils.python import garbage_collect class ScrapyArgumentParser(argparse.ArgumentParser): - def _parse_optional(self, arg_string): + def _parse_optional( + self, arg_string: str + ) -> Optional[Tuple[Optional[argparse.Action], str, Optional[str]]]: # if starts with -: it means that is a parameter not a argument if arg_string[:2] == "-:": return None @@ -23,7 +27,7 @@ class ScrapyArgumentParser(argparse.ArgumentParser): return super()._parse_optional(arg_string) -def _iter_command_classes(module_name): +def _iter_command_classes(module_name: str) -> Iterable[Type[ScrapyCommand]]: # TODO: add `name` attribute to commands and merge this function with # scrapy.utils.spider.iter_spider_classes for module in walk_modules(module_name): @@ -37,8 +41,8 @@ def _iter_command_classes(module_name): yield obj -def _get_commands_from_module(module, inproject): - d = {} +def _get_commands_from_module(module: str, inproject: bool) -> Dict[str, ScrapyCommand]: + d: Dict[str, ScrapyCommand] = {} for cmd in _iter_command_classes(module): if inproject or not cmd.requires_project: cmdname = cmd.__module__.split(".")[-1] @@ -46,8 +50,10 @@ def _get_commands_from_module(module, inproject): return d -def _get_commands_from_entry_points(inproject, group="scrapy.commands"): - cmds = {} +def _get_commands_from_entry_points( + inproject: bool, group: str = "scrapy.commands" +) -> Dict[str, ScrapyCommand]: + cmds: Dict[str, ScrapyCommand] = {} if sys.version_info >= (3, 10): eps = entry_points(group=group) else: @@ -61,7 +67,9 @@ def _get_commands_from_entry_points(inproject, group="scrapy.commands"): return cmds -def _get_commands_dict(settings, inproject): +def _get_commands_dict( + settings: BaseSettings, inproject: bool +) -> Dict[str, ScrapyCommand]: cmds = _get_commands_from_module("scrapy.commands", inproject) cmds.update(_get_commands_from_entry_points(inproject)) cmds_module = settings["COMMANDS_MODULE"] @@ -70,16 +78,17 @@ def _get_commands_dict(settings, inproject): return cmds -def _pop_command_name(argv): +def _pop_command_name(argv: List[str]) -> Optional[str]: i = 0 for arg in argv[1:]: if not arg.startswith("-"): del argv[i] return arg i += 1 + return None -def _print_header(settings, inproject): +def _print_header(settings: BaseSettings, inproject: bool) -> None: version = scrapy.__version__ if inproject: print(f"Scrapy {version} - active project: {settings['BOT_NAME']}\n") @@ -88,7 +97,7 @@ def _print_header(settings, inproject): print(f"Scrapy {version} - no active project\n") -def _print_commands(settings, inproject): +def _print_commands(settings: BaseSettings, inproject: bool) -> None: _print_header(settings, inproject) print("Usage:") print(" scrapy [options] [args]\n") @@ -103,13 +112,17 @@ def _print_commands(settings, inproject): print('Use "scrapy -h" to see more info about a command') -def _print_unknown_command(settings, cmdname, inproject): +def _print_unknown_command( + settings: BaseSettings, cmdname: str, inproject: bool +) -> None: _print_header(settings, inproject) print(f"Unknown command: {cmdname}\n") print('Use "scrapy" to see available commands') -def _run_print_help(parser, func, *a, **kw): +def _run_print_help( + parser: argparse.ArgumentParser, func: Callable, *a: Any, **kw: Any +) -> None: try: func(*a, **kw) except UsageError as e: @@ -120,7 +133,9 @@ def _run_print_help(parser, func, *a, **kw): sys.exit(2) -def execute(argv=None, settings=None): +def execute( + argv: Optional[List[str]] = None, settings: Optional[Settings] = None +) -> None: if argv is None: argv = sys.argv @@ -162,14 +177,16 @@ def execute(argv=None, settings=None): sys.exit(cmd.exitcode) -def _run_command(cmd, args, opts): +def _run_command(cmd: ScrapyCommand, args: List[str], opts: argparse.Namespace) -> None: if opts.profile: _run_command_profiled(cmd, args, opts) else: cmd.run(args, opts) -def _run_command_profiled(cmd, args, opts): +def _run_command_profiled( + cmd: ScrapyCommand, args: List[str], opts: argparse.Namespace +) -> None: if opts.profile: sys.stderr.write(f"scrapy: writing cProfile stats to {opts.profile!r}\n") loc = locals() From fc1a83e7c42dc5142eb9190fdca887385254a7a6 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 29 Apr 2024 19:07:31 +0500 Subject: [PATCH 143/786] Full typing for scrapy/item.py. --- scrapy/item.py | 40 ++++++++++++++++++++++++---------------- 1 file changed, 24 insertions(+), 16 deletions(-) diff --git a/scrapy/item.py b/scrapy/item.py index d3eb90b7b..e04e994ef 100644 --- a/scrapy/item.py +++ b/scrapy/item.py @@ -4,14 +4,20 @@ Scrapy Item See documentation in docs/topics/item.rst """ +from __future__ import annotations + from abc import ABCMeta from collections.abc import MutableMapping from copy import deepcopy from pprint import pformat -from typing import Dict +from typing import TYPE_CHECKING, Any, Dict, Iterator, KeysView, NoReturn, Tuple from scrapy.utils.trackref import object_ref +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self + class Field(dict): """Container of field metadata""" @@ -23,7 +29,9 @@ class ItemMeta(ABCMeta): .. _metaclass: https://realpython.com/python-metaclasses """ - def __new__(mcs, class_name, bases, attrs): + def __new__( + mcs, class_name: str, bases: Tuple[type, ...], attrs: Dict[str, Any] + ) -> ItemMeta: classcell = attrs.pop("__classcell__", None) new_bases = tuple(base._class for base in bases if hasattr(base, "_class")) _class = super().__new__(mcs, "x_" + class_name, new_bases, attrs) @@ -44,7 +52,7 @@ class ItemMeta(ABCMeta): return super().__new__(mcs, class_name, bases, new_attrs) -class Item(MutableMapping, object_ref, metaclass=ItemMeta): +class Item(MutableMapping[str, Any], object_ref, metaclass=ItemMeta): """ Base class for scraped items. @@ -69,51 +77,51 @@ class Item(MutableMapping, object_ref, metaclass=ItemMeta): fields: Dict[str, Field] - def __init__(self, *args, **kwargs): - self._values = {} + def __init__(self, *args: Any, **kwargs: Any): + self._values: Dict[str, Any] = {} if args or kwargs: # avoid creating dict for most common case for k, v in dict(*args, **kwargs).items(): self[k] = v - def __getitem__(self, key): + def __getitem__(self, key: str) -> Any: return self._values[key] - def __setitem__(self, key, value): + def __setitem__(self, key: str, value: Any) -> None: if key in self.fields: self._values[key] = value else: raise KeyError(f"{self.__class__.__name__} does not support field: {key}") - def __delitem__(self, key): + def __delitem__(self, key: str) -> None: del self._values[key] - def __getattr__(self, name): + def __getattr__(self, name: str) -> NoReturn: if name in self.fields: raise AttributeError(f"Use item[{name!r}] to get field value") raise AttributeError(name) - def __setattr__(self, name, value): + def __setattr__(self, name: str, value: Any) -> None: if not name.startswith("_"): raise AttributeError(f"Use item[{name!r}] = {value!r} to set field value") super().__setattr__(name, value) - def __len__(self): + def __len__(self) -> int: return len(self._values) - def __iter__(self): + def __iter__(self) -> Iterator[str]: return iter(self._values) __hash__ = object_ref.__hash__ - def keys(self): + def keys(self) -> KeysView[str]: return self._values.keys() - def __repr__(self): + def __repr__(self) -> str: return pformat(dict(self)) - def copy(self): + def copy(self) -> Self: return self.__class__(self) - def deepcopy(self): + def deepcopy(self) -> Self: """Return a :func:`~copy.deepcopy` of this item.""" return deepcopy(self) From 08a265b6ff9bc47774173238b06715154b39e534 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 29 Apr 2024 19:10:00 +0500 Subject: [PATCH 144/786] Full typing for scrapy/extension.py. --- scrapy/extension.py | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/scrapy/extension.py b/scrapy/extension.py index 6be14450c..8221b675e 100644 --- a/scrapy/extension.py +++ b/scrapy/extension.py @@ -4,7 +4,10 @@ The Extension Manager See documentation in docs/topics/extensions.rst """ +from typing import Any, List + from scrapy.middleware import MiddlewareManager +from scrapy.settings import Settings from scrapy.utils.conf import build_component_list @@ -12,5 +15,5 @@ class ExtensionManager(MiddlewareManager): component_name = "extension" @classmethod - def _get_mwlist_from_settings(cls, settings): + def _get_mwlist_from_settings(cls, settings: Settings) -> List[Any]: return build_component_list(settings.getwithbase("EXTENSIONS")) From 38020e0b0481d2b15792757669272d6d3bf4b14f Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 29 Apr 2024 20:12:30 +0500 Subject: [PATCH 145/786] Full typing for scrapy/mail.py. --- scrapy/mail.py | 98 +++++++++++++++++++++++++++++++------------------- 1 file changed, 62 insertions(+), 36 deletions(-) diff --git a/scrapy/mail.py b/scrapy/mail.py index 7cb5ef454..56adba934 100644 --- a/scrapy/mail.py +++ b/scrapy/mail.py @@ -14,11 +14,23 @@ from email.mime.nonmultipart import MIMENonMultipart from email.mime.text import MIMEText from email.utils import formatdate from io import BytesIO -from typing import TYPE_CHECKING, Optional +from typing import ( + IO, + TYPE_CHECKING, + Any, + Callable, + Dict, + List, + Optional, + Sequence, + Tuple, + Union, +) from twisted import version as twisted_version from twisted.internet import ssl from twisted.internet.defer import Deferred +from twisted.python.failure import Failure from twisted.python.versions import Version from scrapy.settings import BaseSettings @@ -26,6 +38,9 @@ from scrapy.utils.misc import arg_to_iter from scrapy.utils.python import to_bytes if TYPE_CHECKING: + # imports twisted.internet.reactor + from twisted.mail.smtp import ESMTPSenderFactory + # typing.Self requires Python 3.11 from typing_extensions import Self @@ -37,7 +52,7 @@ logger = logging.getLogger(__name__) COMMASPACE = ", " -def _to_bytes_or_none(text): +def _to_bytes_or_none(text: Union[str, bytes, None]) -> Optional[bytes]: if text is None: return None return to_bytes(text) @@ -46,23 +61,23 @@ def _to_bytes_or_none(text): class MailSender: def __init__( self, - smtphost="localhost", - mailfrom="scrapy@localhost", - smtpuser=None, - smtppass=None, - smtpport=25, - smtptls=False, - smtpssl=False, - debug=False, + smtphost: str = "localhost", + mailfrom: str = "scrapy@localhost", + smtpuser: Optional[str] = None, + smtppass: Optional[str] = None, + smtpport: int = 25, + smtptls: bool = False, + smtpssl: bool = False, + debug: bool = False, ): - self.smtphost = smtphost - self.smtpport = smtpport - self.smtpuser = _to_bytes_or_none(smtpuser) - self.smtppass = _to_bytes_or_none(smtppass) - self.smtptls = smtptls - self.smtpssl = smtpssl - self.mailfrom = mailfrom - self.debug = debug + self.smtphost: str = smtphost + self.smtpport: int = smtpport + self.smtpuser: Optional[bytes] = _to_bytes_or_none(smtpuser) + self.smtppass: Optional[bytes] = _to_bytes_or_none(smtppass) + self.smtptls: bool = smtptls + self.smtpssl: bool = smtpssl + self.mailfrom: str = mailfrom + self.debug: bool = debug @classmethod def from_settings(cls, settings: BaseSettings) -> Self: @@ -78,14 +93,14 @@ class MailSender: def send( self, - to, - subject, - body, - cc=None, - attachs=(), - mimetype="text/plain", - charset=None, - _callback=None, + to: Union[str, List[str]], + subject: str, + body: str, + cc: Union[str, List[str], None] = None, + attachs: Sequence[Tuple[str, str, IO]] = (), + mimetype: str = "text/plain", + charset: Optional[str] = None, + _callback: Optional[Callable[..., None]] = None, ) -> Optional[Deferred]: from twisted.internet import reactor @@ -142,13 +157,15 @@ class MailSender: dfd.addCallbacks( callback=self._sent_ok, errback=self._sent_failed, - callbackArgs=[to, cc, subject, len(attachs)], - errbackArgs=[to, cc, subject, len(attachs)], + callbackArgs=(to, cc, subject, len(attachs)), + errbackArgs=(to, cc, subject, len(attachs)), ) reactor.addSystemEventTrigger("before", "shutdown", lambda: dfd) return dfd - def _sent_ok(self, result, to, cc, subject, nattachs): + def _sent_ok( + self, result: Any, to: List[str], cc: List[str], subject: str, nattachs: int + ) -> None: logger.info( "Mail sent OK: To=%(mailto)s Cc=%(mailcc)s " 'Subject="%(mailsubject)s" Attachs=%(mailattachs)d', @@ -160,7 +177,14 @@ class MailSender: }, ) - def _sent_failed(self, failure, to, cc, subject, nattachs): + def _sent_failed( + self, + failure: Failure, + to: List[str], + cc: List[str], + subject: str, + nattachs: int, + ) -> Failure: errstr = str(failure.value) logger.error( "Unable to send mail: To=%(mailto)s Cc=%(mailcc)s " @@ -176,13 +200,13 @@ class MailSender: ) return failure - def _sendmail(self, to_addrs, msg): + def _sendmail(self, to_addrs: List[str], msg: bytes) -> Deferred: from twisted.internet import reactor - msg = BytesIO(msg) - d = Deferred() + msg_io = BytesIO(msg) + d: Deferred = Deferred() - factory = self._create_sender_factory(to_addrs, msg, d) + factory = self._create_sender_factory(to_addrs, msg_io, d) if self.smtpssl: reactor.connectSSL( @@ -193,10 +217,12 @@ class MailSender: return d - def _create_sender_factory(self, to_addrs, msg, d): + def _create_sender_factory( + self, to_addrs: List[str], msg: IO, d: Deferred + ) -> ESMTPSenderFactory: from twisted.mail.smtp import ESMTPSenderFactory - factory_keywords = { + factory_keywords: Dict[str, Any] = { "heloFallback": True, "requireAuthentication": False, "requireTransportSecurity": self.smtptls, From 0c8e21b8acfcac2d6d057f3c67b2252d0fa660e3 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 29 Apr 2024 20:57:31 +0500 Subject: [PATCH 146/786] Full typing for scrapy/pqueues.py. --- scrapy/core/downloader/__init__.py | 2 +- scrapy/pqueues.py | 138 +++++++++++++++++++++-------- 2 files changed, 100 insertions(+), 40 deletions(-) diff --git a/scrapy/core/downloader/__init__.py b/scrapy/core/downloader/__init__.py index ecd3e8b56..f88da41ea 100644 --- a/scrapy/core/downloader/__init__.py +++ b/scrapy/core/downloader/__init__.py @@ -143,7 +143,7 @@ class Downloader: return key, self.slots[key] - def _get_slot_key(self, request: Request, spider: Spider) -> str: + def _get_slot_key(self, request: Request, spider: Any) -> str: if self.DOWNLOAD_SLOT in request.meta: return cast(str, request.meta[self.DOWNLOAD_SLOT]) diff --git a/scrapy/pqueues.py b/scrapy/pqueues.py index 593667f1f..213ad590d 100644 --- a/scrapy/pqueues.py +++ b/scrapy/pqueues.py @@ -1,12 +1,32 @@ +from __future__ import annotations + import hashlib import logging +from typing import ( + TYPE_CHECKING, + Dict, + Iterable, + List, + Optional, + Protocol, + Tuple, + Type, + cast, +) +from scrapy import Request +from scrapy.core.downloader import Downloader +from scrapy.crawler import Crawler from scrapy.utils.misc import build_from_crawler +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self + logger = logging.getLogger(__name__) -def _path_safe(text): +def _path_safe(text: str) -> str: """ Return a filesystem-safe version of a string ``text`` @@ -24,6 +44,18 @@ def _path_safe(text): return "-".join([pathable_slot, unique_slot]) +class QueueProtocol(Protocol): + """Protocol for downstream queues of ``ScrapyPriorityQueue``.""" + + def push(self, request: Request) -> None: ... + + def pop(self) -> Optional[Request]: ... + + def close(self) -> None: ... + + def __len__(self) -> int: ... + + class ScrapyPriorityQueue: """A priority queue implemented using multiple internal queues (typically, FIFO queues). It uses one internal queue for each priority value. The internal @@ -51,18 +83,30 @@ class ScrapyPriorityQueue: """ @classmethod - def from_crawler(cls, crawler, downstream_queue_cls, key, startprios=()): + def from_crawler( + cls, + crawler: Crawler, + downstream_queue_cls: Type[QueueProtocol], + key: str, + startprios: Iterable[int] = (), + ) -> Self: return cls(crawler, downstream_queue_cls, key, startprios) - def __init__(self, crawler, downstream_queue_cls, key, startprios=()): - self.crawler = crawler - self.downstream_queue_cls = downstream_queue_cls - self.key = key - self.queues = {} - self.curprio = None + def __init__( + self, + crawler: Crawler, + downstream_queue_cls: Type[QueueProtocol], + key: str, + startprios: Iterable[int] = (), + ): + self.crawler: Crawler = crawler + self.downstream_queue_cls: Type[QueueProtocol] = downstream_queue_cls + self.key: str = key + self.queues: Dict[int, QueueProtocol] = {} + self.curprio: Optional[int] = None self.init_prios(startprios) - def init_prios(self, startprios): + def init_prios(self, startprios: Iterable[int]) -> None: if not startprios: return @@ -71,17 +115,17 @@ class ScrapyPriorityQueue: self.curprio = min(startprios) - def qfactory(self, key): + def qfactory(self, key: int) -> QueueProtocol: return build_from_crawler( self.downstream_queue_cls, self.crawler, self.key + "/" + str(key), ) - def priority(self, request): + def priority(self, request: Request) -> int: return -request.priority - def push(self, request): + def push(self, request: Request) -> None: priority = self.priority(request) if priority not in self.queues: self.queues[priority] = self.qfactory(priority) @@ -90,9 +134,9 @@ class ScrapyPriorityQueue: if self.curprio is None or priority < self.curprio: self.curprio = priority - def pop(self): + def pop(self) -> Optional[Request]: if self.curprio is None: - return + return None q = self.queues[self.curprio] m = q.pop() if not q: @@ -102,7 +146,7 @@ class ScrapyPriorityQueue: self.curprio = min(prios) if prios else None return m - def peek(self): + def peek(self) -> Optional[Request]: """Returns the next object to be returned by :meth:`pop`, but without removing it from the queue. @@ -112,30 +156,32 @@ class ScrapyPriorityQueue: if self.curprio is None: return None queue = self.queues[self.curprio] - return queue.peek() + # Protocols can't declare optional members + return cast(Request, queue.peek()) # type: ignore[attr-defined] - def close(self): - active = [] + def close(self) -> List[int]: + active: List[int] = [] for p, q in self.queues.items(): active.append(p) q.close() return active - def __len__(self): + def __len__(self) -> int: return sum(len(x) for x in self.queues.values()) if self.queues else 0 class DownloaderInterface: - def __init__(self, crawler): - self.downloader = crawler.engine.downloader + def __init__(self, crawler: Crawler): + assert crawler.engine + self.downloader: Downloader = crawler.engine.downloader - def stats(self, possible_slots): + def stats(self, possible_slots: Iterable[str]) -> List[Tuple[int, str]]: return [(self._active_downloads(slot), slot) for slot in possible_slots] - def get_slot_key(self, request): + def get_slot_key(self, request: Request) -> str: return self.downloader._get_slot_key(request, None) - def _active_downloads(self, slot): + def _active_downloads(self, slot: str) -> int: """Return a number of requests in a Downloader for a given slot""" if slot not in self.downloader.slots: return 0 @@ -149,10 +195,22 @@ class DownloaderAwarePriorityQueue: """ @classmethod - def from_crawler(cls, crawler, downstream_queue_cls, key, startprios=()): + def from_crawler( + cls, + crawler: Crawler, + downstream_queue_cls: Type[QueueProtocol], + key: str, + startprios: Optional[Dict[str, Iterable[int]]] = None, + ) -> Self: return cls(crawler, downstream_queue_cls, key, startprios) - def __init__(self, crawler, downstream_queue_cls, key, slot_startprios=()): + def __init__( + self, + crawler: Crawler, + downstream_queue_cls: Type[QueueProtocol], + key: str, + slot_startprios: Optional[Dict[str, Iterable[int]]] = None, + ): if crawler.settings.getint("CONCURRENT_REQUESTS_PER_IP") != 0: raise ValueError( f'"{self.__class__}" does not support CONCURRENT_REQUESTS_PER_IP' @@ -169,16 +227,18 @@ class DownloaderAwarePriorityQueue: "queue class can be resumed." ) - self._downloader_interface = DownloaderInterface(crawler) - self.downstream_queue_cls = downstream_queue_cls - self.key = key - self.crawler = crawler + self._downloader_interface: DownloaderInterface = DownloaderInterface(crawler) + self.downstream_queue_cls: Type[QueueProtocol] = downstream_queue_cls + self.key: str = key + self.crawler: Crawler = crawler - self.pqueues = {} # slot -> priority queue + self.pqueues: Dict[str, ScrapyPriorityQueue] = {} # slot -> priority queue for slot, startprios in (slot_startprios or {}).items(): self.pqueues[slot] = self.pqfactory(slot, startprios) - def pqfactory(self, slot, startprios=()): + def pqfactory( + self, slot: str, startprios: Iterable[int] = () + ) -> ScrapyPriorityQueue: return ScrapyPriorityQueue( self.crawler, self.downstream_queue_cls, @@ -186,11 +246,11 @@ class DownloaderAwarePriorityQueue: startprios, ) - def pop(self): + def pop(self) -> Optional[Request]: stats = self._downloader_interface.stats(self.pqueues) if not stats: - return + return None slot = min(stats)[1] queue = self.pqueues[slot] @@ -199,14 +259,14 @@ class DownloaderAwarePriorityQueue: del self.pqueues[slot] return request - def push(self, request): + def push(self, request: Request) -> None: slot = self._downloader_interface.get_slot_key(request) if slot not in self.pqueues: self.pqueues[slot] = self.pqfactory(slot) queue = self.pqueues[slot] queue.push(request) - def peek(self): + def peek(self) -> Optional[Request]: """Returns the next object to be returned by :meth:`pop`, but without removing it from the queue. @@ -220,13 +280,13 @@ class DownloaderAwarePriorityQueue: queue = self.pqueues[slot] return queue.peek() - def close(self): + def close(self) -> Dict[str, List[int]]: active = {slot: queue.close() for slot, queue in self.pqueues.items()} self.pqueues.clear() return active - def __len__(self): + def __len__(self) -> int: return sum(len(x) for x in self.pqueues.values()) if self.pqueues else 0 - def __contains__(self, slot): + def __contains__(self, slot: str) -> bool: return slot in self.pqueues From 21fa0761818c158ae9fc35b49ea8d2300f0fa510 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 29 Apr 2024 22:41:58 +0500 Subject: [PATCH 147/786] Fix MutableMapping import for Python 3.8. --- scrapy/item.py | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/scrapy/item.py b/scrapy/item.py index e04e994ef..2daea64cc 100644 --- a/scrapy/item.py +++ b/scrapy/item.py @@ -7,10 +7,18 @@ See documentation in docs/topics/item.rst from __future__ import annotations from abc import ABCMeta -from collections.abc import MutableMapping from copy import deepcopy from pprint import pformat -from typing import TYPE_CHECKING, Any, Dict, Iterator, KeysView, NoReturn, Tuple +from typing import ( + TYPE_CHECKING, + Any, + Dict, + Iterator, + KeysView, + MutableMapping, + NoReturn, + Tuple, +) from scrapy.utils.trackref import object_ref From ad35ffdb0da052d0df194ce5dc1ba7e8d823190f Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 29 Apr 2024 23:10:03 +0500 Subject: [PATCH 148/786] Full typing for scrapy/resolver.py. --- scrapy/resolver.py | 67 +++++++++++++++++++++++++++------------------- 1 file changed, 39 insertions(+), 28 deletions(-) diff --git a/scrapy/resolver.py b/scrapy/resolver.py index e2e8beff4..ba7cd716b 100644 --- a/scrapy/resolver.py +++ b/scrapy/resolver.py @@ -1,8 +1,12 @@ -from typing import Any +from __future__ import annotations + +from typing import TYPE_CHECKING, Any, List, Optional, Sequence, Type from twisted.internet import defer -from twisted.internet.base import ThreadedResolver +from twisted.internet.base import ReactorBase, ThreadedResolver +from twisted.internet.defer import Deferred from twisted.internet.interfaces import ( + IAddress, IHostnameResolver, IHostResolution, IResolutionReceiver, @@ -12,6 +16,12 @@ from zope.interface.declarations import implementer, provider from scrapy.utils.datatypes import LocalCache +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self + + from scrapy.crawler import Crawler + # TODO: cache misses dnscache: LocalCache[str, Any] = LocalCache(10000) @@ -22,65 +32,66 @@ class CachingThreadedResolver(ThreadedResolver): Default caching resolver. IPv4 only, supports setting a timeout value for DNS requests. """ - def __init__(self, reactor, cache_size, timeout): + def __init__(self, reactor: ReactorBase, cache_size: int, timeout: float): super().__init__(reactor) dnscache.limit = cache_size self.timeout = timeout @classmethod - def from_crawler(cls, crawler, reactor): + def from_crawler(cls, crawler: Crawler, reactor: ReactorBase) -> Self: if crawler.settings.getbool("DNSCACHE_ENABLED"): cache_size = crawler.settings.getint("DNSCACHE_SIZE") else: cache_size = 0 return cls(reactor, cache_size, crawler.settings.getfloat("DNS_TIMEOUT")) - def install_on_reactor(self): + def install_on_reactor(self) -> None: self.reactor.installResolver(self) - def getHostByName(self, name: str, timeout=None): + def getHostByName(self, name: str, timeout: Sequence[int] = ()) -> Deferred[str]: if name in dnscache: return defer.succeed(dnscache[name]) # in Twisted<=16.6, getHostByName() is always called with # a default timeout of 60s (actually passed as (1, 3, 11, 45) tuple), # so the input argument above is simply overridden # to enforce Scrapy's DNS_TIMEOUT setting's value - timeout = (self.timeout,) + # The timeout arg is typed as Sequence[int] but supports floats. + timeout = (self.timeout,) # type: ignore[assignment] d = super().getHostByName(name, timeout) if dnscache.limit: d.addCallback(self._cache_result, name) return d - def _cache_result(self, result, name): + def _cache_result(self, result: Any, name: str) -> Any: dnscache[name] = result return result @implementer(IHostResolution) class HostResolution: - def __init__(self, name): - self.name = name + def __init__(self, name: str): + self.name: str = name - def cancel(self): + def cancel(self) -> None: raise NotImplementedError() @provider(IResolutionReceiver) class _CachingResolutionReceiver: - def __init__(self, resolutionReceiver, hostName): - self.resolutionReceiver = resolutionReceiver - self.hostName = hostName - self.addresses = [] + def __init__(self, resolutionReceiver: IResolutionReceiver, hostName: str): + self.resolutionReceiver: IResolutionReceiver = resolutionReceiver + self.hostName: str = hostName + self.addresses: List[IAddress] = [] - def resolutionBegan(self, resolution): + def resolutionBegan(self, resolution: IHostResolution) -> None: self.resolutionReceiver.resolutionBegan(resolution) self.resolution = resolution - def addressResolved(self, address): + def addressResolved(self, address: IAddress) -> None: self.resolutionReceiver.addressResolved(address) self.addresses.append(address) - def resolutionComplete(self): + def resolutionComplete(self) -> None: self.resolutionReceiver.resolutionComplete() if self.addresses: dnscache[self.hostName] = self.addresses @@ -93,30 +104,30 @@ class CachingHostnameResolver: does not support setting a timeout value for DNS requests. """ - def __init__(self, reactor, cache_size): - self.reactor = reactor - self.original_resolver = reactor.nameResolver + def __init__(self, reactor: ReactorBase, cache_size: int): + self.reactor: ReactorBase = reactor + self.original_resolver: IHostnameResolver = reactor.nameResolver dnscache.limit = cache_size @classmethod - def from_crawler(cls, crawler, reactor): + def from_crawler(cls, crawler: Crawler, reactor: ReactorBase) -> Self: if crawler.settings.getbool("DNSCACHE_ENABLED"): cache_size = crawler.settings.getint("DNSCACHE_SIZE") else: cache_size = 0 return cls(reactor, cache_size) - def install_on_reactor(self): + def install_on_reactor(self) -> None: self.reactor.installNameResolver(self) def resolveHostName( self, - resolutionReceiver, + resolutionReceiver: IResolutionReceiver, hostName: str, - portNumber=0, - addressTypes=None, - transportSemantics="TCP", - ): + portNumber: int = 0, + addressTypes: Optional[Sequence[Type[IAddress]]] = None, + transportSemantics: str = "TCP", + ) -> IHostResolution: try: addresses = dnscache[hostName] except KeyError: From b749db92e5b15c974b0d77280c22b63000ad4263 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 29 Apr 2024 23:17:59 +0500 Subject: [PATCH 149/786] Full typing for scrapy/robotstxt.py. --- scrapy/robotstxt.py | 65 +++++++++++++++++++++++---------------------- 1 file changed, 33 insertions(+), 32 deletions(-) diff --git a/scrapy/robotstxt.py b/scrapy/robotstxt.py index ad06137e2..a33f73306 100644 --- a/scrapy/robotstxt.py +++ b/scrapy/robotstxt.py @@ -3,9 +3,10 @@ from __future__ import annotations import logging import sys from abc import ABCMeta, abstractmethod -from typing import TYPE_CHECKING, Union +from typing import TYPE_CHECKING, Optional, Union from warnings import warn +from scrapy import Spider from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.utils.python import to_unicode @@ -18,12 +19,14 @@ if TYPE_CHECKING: logger = logging.getLogger(__name__) -def decode_robotstxt(robotstxt_body, spider, to_native_str_type=False): +def decode_robotstxt( + robotstxt_body: bytes, spider: Optional[Spider], to_native_str_type: bool = False +) -> str: try: if to_native_str_type: - robotstxt_body = to_unicode(robotstxt_body) + body_decoded = to_unicode(robotstxt_body) else: - robotstxt_body = robotstxt_body.decode("utf-8", errors="ignore") + body_decoded = robotstxt_body.decode("utf-8", errors="ignore") except UnicodeDecodeError: # If we found garbage or robots.txt in an encoding other than UTF-8, disregard it. # Switch to 'allow all' state. @@ -33,8 +36,8 @@ def decode_robotstxt(robotstxt_body, spider, to_native_str_type=False): exc_info=sys.exc_info(), extra={"spider": spider}, ) - robotstxt_body = "" - return robotstxt_body + body_decoded = "" + return body_decoded class RobotParser(metaclass=ABCMeta): @@ -66,82 +69,80 @@ class RobotParser(metaclass=ABCMeta): class PythonRobotParser(RobotParser): - def __init__(self, robotstxt_body, spider): + def __init__(self, robotstxt_body: bytes, spider: Optional[Spider]): from urllib.robotparser import RobotFileParser - self.spider = spider - robotstxt_body = decode_robotstxt( - robotstxt_body, spider, to_native_str_type=True - ) - self.rp = RobotFileParser() - self.rp.parse(robotstxt_body.splitlines()) + self.spider: Optional[Spider] = spider + body_decoded = decode_robotstxt(robotstxt_body, spider, to_native_str_type=True) + self.rp: RobotFileParser = RobotFileParser() + self.rp.parse(body_decoded.splitlines()) @classmethod - def from_crawler(cls, crawler, robotstxt_body): + def from_crawler(cls, crawler: Crawler, robotstxt_body: bytes) -> Self: spider = None if not crawler else crawler.spider o = cls(robotstxt_body, spider) return o - def allowed(self, url, user_agent): + def allowed(self, url: Union[str, bytes], user_agent: Union[str, bytes]) -> bool: user_agent = to_unicode(user_agent) url = to_unicode(url) return self.rp.can_fetch(user_agent, url) class ReppyRobotParser(RobotParser): - def __init__(self, robotstxt_body, spider): + def __init__(self, robotstxt_body: bytes, spider: Optional[Spider]): warn("ReppyRobotParser is deprecated.", ScrapyDeprecationWarning, stacklevel=2) from reppy.robots import Robots - self.spider = spider + self.spider: Optional[Spider] = spider self.rp = Robots.parse("", robotstxt_body) @classmethod - def from_crawler(cls, crawler, robotstxt_body): + def from_crawler(cls, crawler: Crawler, robotstxt_body: bytes) -> Self: spider = None if not crawler else crawler.spider o = cls(robotstxt_body, spider) return o - def allowed(self, url, user_agent): + def allowed(self, url: Union[str, bytes], user_agent: Union[str, bytes]) -> bool: return self.rp.allowed(url, user_agent) class RerpRobotParser(RobotParser): - def __init__(self, robotstxt_body, spider): + def __init__(self, robotstxt_body: bytes, spider: Optional[Spider]): from robotexclusionrulesparser import RobotExclusionRulesParser - self.spider = spider - self.rp = RobotExclusionRulesParser() - robotstxt_body = decode_robotstxt(robotstxt_body, spider) - self.rp.parse(robotstxt_body) + self.spider: Optional[Spider] = spider + self.rp: RobotExclusionRulesParser = RobotExclusionRulesParser() + body_decoded = decode_robotstxt(robotstxt_body, spider) + self.rp.parse(body_decoded) @classmethod - def from_crawler(cls, crawler, robotstxt_body): + def from_crawler(cls, crawler: Crawler, robotstxt_body: bytes) -> Self: spider = None if not crawler else crawler.spider o = cls(robotstxt_body, spider) return o - def allowed(self, url, user_agent): + def allowed(self, url: Union[str, bytes], user_agent: Union[str, bytes]) -> bool: user_agent = to_unicode(user_agent) url = to_unicode(url) return self.rp.is_allowed(user_agent, url) class ProtegoRobotParser(RobotParser): - def __init__(self, robotstxt_body, spider): + def __init__(self, robotstxt_body: bytes, spider: Optional[Spider]): from protego import Protego - self.spider = spider - robotstxt_body = decode_robotstxt(robotstxt_body, spider) - self.rp = Protego.parse(robotstxt_body) + self.spider: Optional[Spider] = spider + body_decoded = decode_robotstxt(robotstxt_body, spider) + self.rp = Protego.parse(body_decoded) @classmethod - def from_crawler(cls, crawler, robotstxt_body): + def from_crawler(cls, crawler: Crawler, robotstxt_body: bytes) -> Self: spider = None if not crawler else crawler.spider o = cls(robotstxt_body, spider) return o - def allowed(self, url, user_agent): + def allowed(self, url: Union[str, bytes], user_agent: Union[str, bytes]) -> bool: user_agent = to_unicode(user_agent) url = to_unicode(url) return self.rp.can_fetch(url, user_agent) From 5f7fd2a653407da3eb3e53c853209d9bfb6b275f Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 29 Apr 2024 23:39:31 +0500 Subject: [PATCH 150/786] Full typing for scrapy/squeues.py. --- scrapy/squeues.py | 58 +++++++++++++++++++++++++++++++---------------- 1 file changed, 39 insertions(+), 19 deletions(-) diff --git a/scrapy/squeues.py b/scrapy/squeues.py index e20f60f06..4676b058e 100644 --- a/scrapy/squeues.py +++ b/scrapy/squeues.py @@ -2,20 +2,28 @@ Scheduler queues """ +from __future__ import annotations + import marshal import pickle # nosec from os import PathLike from pathlib import Path -from typing import Union +from typing import TYPE_CHECKING, Any, Callable, Optional, Type, Union from queuelib import queue +from scrapy import Request +from scrapy.crawler import Crawler from scrapy.utils.request import request_from_dict +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self -def _with_mkdir(queue_class): + +def _with_mkdir(queue_class: Type[queue.BaseQueue]) -> Type[queue.BaseQueue]: class DirectoriesCreated(queue_class): - def __init__(self, path: Union[str, PathLike], *args, **kwargs): + def __init__(self, path: Union[str, PathLike], *args: Any, **kwargs: Any): dirname = Path(path).parent if not dirname.exists(): dirname.mkdir(parents=True, exist_ok=True) @@ -24,18 +32,23 @@ def _with_mkdir(queue_class): return DirectoriesCreated -def _serializable_queue(queue_class, serialize, deserialize): +def _serializable_queue( + queue_class: Type[queue.BaseQueue], + serialize: Callable[[Any], bytes], + deserialize: Callable[[bytes], Any], +) -> Type[queue.BaseQueue]: class SerializableQueue(queue_class): - def push(self, obj): + def push(self, obj: Any) -> None: s = serialize(obj) super().push(s) - def pop(self): + def pop(self) -> Optional[Any]: s = super().pop() if s: return deserialize(s) + return None - def peek(self): + def peek(self) -> Optional[Any]: """Returns the next object to be returned by :meth:`pop`, but without removing it from the queue. @@ -50,31 +63,36 @@ def _serializable_queue(queue_class, serialize, deserialize): ) from ex if s: return deserialize(s) + return None return SerializableQueue -def _scrapy_serialization_queue(queue_class): +def _scrapy_serialization_queue( + queue_class: Type[queue.BaseQueue], +) -> Type[queue.BaseQueue]: class ScrapyRequestQueue(queue_class): - def __init__(self, crawler, key): + def __init__(self, crawler: Crawler, key: str): self.spider = crawler.spider super().__init__(key) @classmethod - def from_crawler(cls, crawler, key, *args, **kwargs): + def from_crawler( + cls, crawler: Crawler, key: str, *args: Any, **kwargs: Any + ) -> Self: return cls(crawler, key) - def push(self, request): - request = request.to_dict(spider=self.spider) - return super().push(request) + def push(self, request: Request) -> None: + request_dict = request.to_dict(spider=self.spider) + super().push(request_dict) - def pop(self): + def pop(self) -> Optional[Request]: request = super().pop() if not request: return None return request_from_dict(request, spider=self.spider) - def peek(self): + def peek(self) -> Optional[Request]: """Returns the next object to be returned by :meth:`pop`, but without removing it from the queue. @@ -89,13 +107,15 @@ def _scrapy_serialization_queue(queue_class): return ScrapyRequestQueue -def _scrapy_non_serialization_queue(queue_class): +def _scrapy_non_serialization_queue( + queue_class: Type[queue.BaseQueue], +) -> Type[queue.BaseQueue]: class ScrapyRequestQueue(queue_class): @classmethod - def from_crawler(cls, crawler, *args, **kwargs): + def from_crawler(cls, crawler: Crawler, *args: Any, **kwargs: Any) -> Self: return cls() - def peek(self): + def peek(self) -> Optional[Any]: """Returns the next object to be returned by :meth:`pop`, but without removing it from the queue. @@ -113,7 +133,7 @@ def _scrapy_non_serialization_queue(queue_class): return ScrapyRequestQueue -def _pickle_serialize(obj): +def _pickle_serialize(obj: Any) -> bytes: try: return pickle.dumps(obj, protocol=4) # Both pickle.PicklingError and AttributeError can be raised by pickle.dump(s) From 203fa9667fb69f6251c0a44b14cf0450ce769a32 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 29 Apr 2024 23:47:55 +0500 Subject: [PATCH 151/786] Add queue typing to scrapy/core/scheduler.py. --- scrapy/core/scheduler.py | 33 +++++++++++++++++---------------- scrapy/pqueues.py | 3 ++- 2 files changed, 19 insertions(+), 17 deletions(-) diff --git a/scrapy/core/scheduler.py b/scrapy/core/scheduler.py index b2209e53f..ab59c0d14 100644 --- a/scrapy/core/scheduler.py +++ b/scrapy/core/scheduler.py @@ -4,13 +4,15 @@ import json import logging from abc import abstractmethod from pathlib import Path -from typing import TYPE_CHECKING, Any, Optional, Type, TypeVar, cast +from typing import TYPE_CHECKING, Any, Optional, Type, cast +from queuelib.queue import BaseQueue from twisted.internet.defer import Deferred from scrapy.crawler import Crawler from scrapy.dupefilters import BaseDupeFilter from scrapy.http.request import Request +from scrapy.pqueues import ScrapyPriorityQueue from scrapy.spiders import Spider from scrapy.statscollectors import StatsCollector from scrapy.utils.job import job_dir @@ -121,9 +123,6 @@ class BaseScheduler(metaclass=BaseSchedulerMeta): raise NotImplementedError() -SchedulerTV = TypeVar("SchedulerTV", bound="Scheduler") - - class Scheduler(BaseScheduler): """ Default Scrapy scheduler. This implementation also handles duplication @@ -179,24 +178,24 @@ class Scheduler(BaseScheduler): self, dupefilter: BaseDupeFilter, jobdir: Optional[str] = None, - dqclass=None, - mqclass=None, + dqclass: Optional[Type[BaseQueue]] = None, + mqclass: Optional[Type[BaseQueue]] = None, logunser: bool = False, stats: Optional[StatsCollector] = None, - pqclass=None, + pqclass: Optional[Type[ScrapyPriorityQueue]] = None, crawler: Optional[Crawler] = None, ): self.df: BaseDupeFilter = dupefilter self.dqdir: Optional[str] = self._dqdir(jobdir) - self.pqclass = pqclass - self.dqclass = dqclass - self.mqclass = mqclass + self.pqclass: Optional[Type[ScrapyPriorityQueue]] = pqclass + self.dqclass: Optional[Type[BaseQueue]] = dqclass + self.mqclass: Optional[Type[BaseQueue]] = mqclass self.logunser: bool = logunser self.stats: Optional[StatsCollector] = stats self.crawler: Optional[Crawler] = crawler @classmethod - def from_crawler(cls: Type[SchedulerTV], crawler: Crawler) -> SchedulerTV: + def from_crawler(cls, crawler: Crawler) -> Self: """ Factory method, initializes the scheduler with arguments taken from the crawl settings """ @@ -221,9 +220,9 @@ class Scheduler(BaseScheduler): (2) initialize the disk queue if the ``jobdir`` attribute is a valid directory (3) return the result of the dupefilter's ``open`` method """ - self.spider = spider - self.mqs = self._mq() - self.dqs = self._dq() if self.dqdir else None + self.spider: Spider = spider + self.mqs: ScrapyPriorityQueue = self._mq() + self.dqs: Optional[ScrapyPriorityQueue] = self._dq() if self.dqdir else None return self.df.open() def close(self, reason: str) -> Optional[Deferred]: @@ -320,9 +319,10 @@ class Scheduler(BaseScheduler): return self.dqs.pop() return None - def _mq(self): + def _mq(self) -> ScrapyPriorityQueue: """Create a new priority queue instance, with in-memory storage""" assert self.crawler + assert self.pqclass return build_from_crawler( self.pqclass, self.crawler, @@ -330,10 +330,11 @@ class Scheduler(BaseScheduler): key="", ) - def _dq(self): + def _dq(self) -> ScrapyPriorityQueue: """Create a new priority queue instance, with disk storage""" assert self.crawler assert self.dqdir + assert self.pqclass state = self._read_dqs_state(self.dqdir) q = build_from_crawler( self.pqclass, diff --git a/scrapy/pqueues.py b/scrapy/pqueues.py index 213ad590d..773825c5e 100644 --- a/scrapy/pqueues.py +++ b/scrapy/pqueues.py @@ -16,13 +16,14 @@ from typing import ( from scrapy import Request from scrapy.core.downloader import Downloader -from scrapy.crawler import Crawler from scrapy.utils.misc import build_from_crawler if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.crawler import Crawler + logger = logging.getLogger(__name__) From bd0d4cee885744c7ea38185ec42f0137e7632b79 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Sat, 4 May 2024 16:12:44 +0500 Subject: [PATCH 152/786] Fixes for queuelib. --- scrapy/core/scheduler.py | 4 +++- scrapy/squeues.py | 21 +++++++++++---------- 2 files changed, 14 insertions(+), 11 deletions(-) diff --git a/scrapy/core/scheduler.py b/scrapy/core/scheduler.py index ab59c0d14..f30a5d9c9 100644 --- a/scrapy/core/scheduler.py +++ b/scrapy/core/scheduler.py @@ -6,7 +6,6 @@ from abc import abstractmethod from pathlib import Path from typing import TYPE_CHECKING, Any, Optional, Type, cast -from queuelib.queue import BaseQueue from twisted.internet.defer import Deferred from scrapy.crawler import Crawler @@ -19,6 +18,9 @@ from scrapy.utils.job import job_dir from scrapy.utils.misc import build_from_crawler, load_object if TYPE_CHECKING: + # requires queuelib >= 1.6.2 + from queuelib.queue import BaseQueue + # typing.Self requires Python 3.11 from typing_extensions import Self diff --git a/scrapy/squeues.py b/scrapy/squeues.py index 4676b058e..6f80ee388 100644 --- a/scrapy/squeues.py +++ b/scrapy/squeues.py @@ -22,7 +22,7 @@ if TYPE_CHECKING: def _with_mkdir(queue_class: Type[queue.BaseQueue]) -> Type[queue.BaseQueue]: - class DirectoriesCreated(queue_class): + class DirectoriesCreated(queue_class): # type: ignore[valid-type,misc] def __init__(self, path: Union[str, PathLike], *args: Any, **kwargs: Any): dirname = Path(path).parent if not dirname.exists(): @@ -37,7 +37,7 @@ def _serializable_queue( serialize: Callable[[Any], bytes], deserialize: Callable[[bytes], Any], ) -> Type[queue.BaseQueue]: - class SerializableQueue(queue_class): + class SerializableQueue(queue_class): # type: ignore[valid-type,misc] def push(self, obj: Any) -> None: s = serialize(obj) super().push(s) @@ -71,7 +71,7 @@ def _serializable_queue( def _scrapy_serialization_queue( queue_class: Type[queue.BaseQueue], ) -> Type[queue.BaseQueue]: - class ScrapyRequestQueue(queue_class): + class ScrapyRequestQueue(queue_class): # type: ignore[valid-type,misc] def __init__(self, crawler: Crawler, key: str): self.spider = crawler.spider super().__init__(key) @@ -110,7 +110,7 @@ def _scrapy_serialization_queue( def _scrapy_non_serialization_queue( queue_class: Type[queue.BaseQueue], ) -> Type[queue.BaseQueue]: - class ScrapyRequestQueue(queue_class): + class ScrapyRequestQueue(queue_class): # type: ignore[valid-type,misc] @classmethod def from_crawler(cls, crawler: Crawler, *args: Any, **kwargs: Any) -> Self: return cls() @@ -142,17 +142,18 @@ def _pickle_serialize(obj: Any) -> bytes: raise ValueError(str(e)) from e +# queue.*Queue aren't subclasses of queue.BaseQueue _PickleFifoSerializationDiskQueue = _serializable_queue( - _with_mkdir(queue.FifoDiskQueue), _pickle_serialize, pickle.loads + _with_mkdir(queue.FifoDiskQueue), _pickle_serialize, pickle.loads # type: ignore[arg-type] ) _PickleLifoSerializationDiskQueue = _serializable_queue( - _with_mkdir(queue.LifoDiskQueue), _pickle_serialize, pickle.loads + _with_mkdir(queue.LifoDiskQueue), _pickle_serialize, pickle.loads # type: ignore[arg-type] ) _MarshalFifoSerializationDiskQueue = _serializable_queue( - _with_mkdir(queue.FifoDiskQueue), marshal.dumps, marshal.loads + _with_mkdir(queue.FifoDiskQueue), marshal.dumps, marshal.loads # type: ignore[arg-type] ) _MarshalLifoSerializationDiskQueue = _serializable_queue( - _with_mkdir(queue.LifoDiskQueue), marshal.dumps, marshal.loads + _with_mkdir(queue.LifoDiskQueue), marshal.dumps, marshal.loads # type: ignore[arg-type] ) # public queue classes @@ -160,5 +161,5 @@ PickleFifoDiskQueue = _scrapy_serialization_queue(_PickleFifoSerializationDiskQu PickleLifoDiskQueue = _scrapy_serialization_queue(_PickleLifoSerializationDiskQueue) MarshalFifoDiskQueue = _scrapy_serialization_queue(_MarshalFifoSerializationDiskQueue) MarshalLifoDiskQueue = _scrapy_serialization_queue(_MarshalLifoSerializationDiskQueue) -FifoMemoryQueue = _scrapy_non_serialization_queue(queue.FifoMemoryQueue) -LifoMemoryQueue = _scrapy_non_serialization_queue(queue.LifoMemoryQueue) +FifoMemoryQueue = _scrapy_non_serialization_queue(queue.FifoMemoryQueue) # type: ignore[arg-type] +LifoMemoryQueue = _scrapy_non_serialization_queue(queue.LifoMemoryQueue) # type: ignore[arg-type] From 1f394306e14ccab9d14ffb9adc64a7c5c08d9af6 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Sat, 4 May 2024 20:37:30 +0500 Subject: [PATCH 153/786] Use the Self type hint in from_crawler/from_settings. --- scrapy/core/downloader/contextfactory.py | 7 +++++- scrapy/core/downloader/handlers/ftp.py | 10 +++++++- scrapy/core/downloader/handlers/http10.py | 10 +++++++- scrapy/core/downloader/handlers/http11.py | 10 +++++++- scrapy/core/downloader/handlers/http2.py | 14 +++++------ scrapy/core/downloader/handlers/s3.py | 10 +++++++- scrapy/http/request/__init__.py | 13 ++++++---- scrapy/pipelines/files.py | 20 ++++++++++++---- scrapy/pipelines/images.py | 29 ++++++++++++++++++----- scrapy/pipelines/media.py | 12 ++++++++-- scrapy/spiders/crawl.py | 12 +++++++--- scrapy/spiders/sitemap.py | 4 +++- scrapy/utils/request.py | 9 +++++-- 13 files changed, 124 insertions(+), 36 deletions(-) diff --git a/scrapy/core/downloader/contextfactory.py b/scrapy/core/downloader/contextfactory.py index dba4d8cdc..6a82634f1 100644 --- a/scrapy/core/downloader/contextfactory.py +++ b/scrapy/core/downloader/contextfactory.py @@ -1,3 +1,5 @@ +from __future__ import annotations + import warnings from typing import TYPE_CHECKING, Any, List, Optional @@ -25,6 +27,9 @@ from scrapy.utils.misc import build_from_crawler, load_object if TYPE_CHECKING: from twisted.internet._sslverify import ClientTLSOptions + # typing.Self requires Python 3.11 + from typing_extensions import Self + @implementer(IPolicyForHTTPS) class ScrapyClientContextFactory(BrowserLikePolicyForHTTPS): @@ -62,7 +67,7 @@ class ScrapyClientContextFactory(BrowserLikePolicyForHTTPS): method: int = SSL.SSLv23_METHOD, *args: Any, **kwargs: Any, - ): + ) -> Self: tls_verbose_logging: bool = settings.getbool( "DOWNLOADER_CLIENT_TLS_VERBOSE_LOGGING" ) diff --git a/scrapy/core/downloader/handlers/ftp.py b/scrapy/core/downloader/handlers/ftp.py index 4081545ce..69add8558 100644 --- a/scrapy/core/downloader/handlers/ftp.py +++ b/scrapy/core/downloader/handlers/ftp.py @@ -28,18 +28,26 @@ In case of status 200 request, response.headers will come with two keys: 'Size' - with size of the downloaded data """ +from __future__ import annotations + import re from io import BytesIO +from typing import TYPE_CHECKING from urllib.parse import unquote from twisted.internet.protocol import ClientCreator, Protocol from twisted.protocols.ftp import CommandFailed, FTPClient +from scrapy.crawler import Crawler from scrapy.http import Response from scrapy.responsetypes import responsetypes from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.python import to_bytes +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self + class ReceivedDataProtocol(Protocol): def __init__(self, filename=None): @@ -76,7 +84,7 @@ class FTPDownloadHandler: self.passive_mode = settings["FTP_PASSIVE_MODE"] @classmethod - def from_crawler(cls, crawler): + def from_crawler(cls, crawler: Crawler) -> Self: return cls(crawler.settings) def download_request(self, request, spider): diff --git a/scrapy/core/downloader/handlers/http10.py b/scrapy/core/downloader/handlers/http10.py index d168c2b2e..256dc36a1 100644 --- a/scrapy/core/downloader/handlers/http10.py +++ b/scrapy/core/downloader/handlers/http10.py @@ -1,9 +1,17 @@ """Download handlers for http and https schemes """ +from __future__ import annotations + +from typing import TYPE_CHECKING + from scrapy.utils.misc import build_from_crawler, load_object from scrapy.utils.python import to_unicode +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self + class HTTP10DownloadHandler: lazy = False @@ -17,7 +25,7 @@ class HTTP10DownloadHandler: self._crawler = crawler @classmethod - def from_crawler(cls, crawler): + def from_crawler(cls, crawler) -> Self: return cls(crawler.settings, crawler) def download_request(self, request, spider): diff --git a/scrapy/core/downloader/handlers/http11.py b/scrapy/core/downloader/handlers/http11.py index c3704de3d..15f8abc64 100644 --- a/scrapy/core/downloader/handlers/http11.py +++ b/scrapy/core/downloader/handlers/http11.py @@ -1,11 +1,14 @@ """Download handlers for http and https schemes""" +from __future__ import annotations + import ipaddress import logging import re from contextlib import suppress from io import BytesIO from time import time +from typing import TYPE_CHECKING from urllib.parse import urldefrag, urlunparse from twisted.internet import defer, protocol, ssl @@ -32,6 +35,11 @@ from scrapy.http import Headers from scrapy.responsetypes import responsetypes from scrapy.utils.python import to_bytes, to_unicode +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self + + logger = logging.getLogger(__name__) @@ -56,7 +64,7 @@ class HTTP11DownloadHandler: self._disconnect_timeout = 1 @classmethod - def from_crawler(cls, crawler): + def from_crawler(cls, crawler) -> Self: return cls(crawler.settings, crawler) def download_request(self, request, spider): diff --git a/scrapy/core/downloader/handlers/http2.py b/scrapy/core/downloader/handlers/http2.py index b2579362c..e9a6b6fa3 100644 --- a/scrapy/core/downloader/handlers/http2.py +++ b/scrapy/core/downloader/handlers/http2.py @@ -1,5 +1,7 @@ +from __future__ import annotations + from time import time -from typing import Optional, Type, TypeVar +from typing import TYPE_CHECKING, Optional from urllib.parse import urldefrag from twisted.internet.base import DelayedCall @@ -16,9 +18,9 @@ from scrapy.settings import Settings from scrapy.spiders import Spider from scrapy.utils.python import to_bytes -H2DownloadHandlerOrSubclass = TypeVar( - "H2DownloadHandlerOrSubclass", bound="H2DownloadHandler" -) +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self class H2DownloadHandler: @@ -31,9 +33,7 @@ class H2DownloadHandler: self._context_factory = load_context_factory_from_settings(settings, crawler) @classmethod - def from_crawler( - cls: Type[H2DownloadHandlerOrSubclass], crawler: Crawler - ) -> H2DownloadHandlerOrSubclass: + def from_crawler(cls, crawler: Crawler) -> Self: return cls(crawler.settings, crawler) def download_request(self, request: Request, spider: Spider) -> Deferred: diff --git a/scrapy/core/downloader/handlers/s3.py b/scrapy/core/downloader/handlers/s3.py index 1f7533759..99fbb49ce 100644 --- a/scrapy/core/downloader/handlers/s3.py +++ b/scrapy/core/downloader/handlers/s3.py @@ -1,9 +1,17 @@ +from __future__ import annotations + +from typing import TYPE_CHECKING + from scrapy.core.downloader.handlers.http import HTTPDownloadHandler from scrapy.exceptions import NotConfigured from scrapy.utils.boto import is_botocore_available from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.misc import build_from_crawler +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self + class S3DownloadHandler: def __init__( @@ -57,7 +65,7 @@ class S3DownloadHandler: self._download_http = _http_handler.download_request @classmethod - def from_crawler(cls, crawler, **kwargs): + def from_crawler(cls, crawler, **kwargs) -> Self: return cls(crawler.settings, crawler=crawler, **kwargs) def download_request(self, request, spider): diff --git a/scrapy/http/request/__init__.py b/scrapy/http/request/__init__.py index 6269ee86a..191b3cef4 100644 --- a/scrapy/http/request/__init__.py +++ b/scrapy/http/request/__init__.py @@ -5,8 +5,11 @@ requests in Scrapy. See documentation in docs/topics/request-response.rst """ +from __future__ import annotations + import inspect from typing import ( + TYPE_CHECKING, Any, AnyStr, Callable, @@ -17,8 +20,6 @@ from typing import ( NoReturn, Optional, Tuple, - Type, - TypeVar, Union, cast, ) @@ -32,7 +33,9 @@ from scrapy.utils.python import to_bytes from scrapy.utils.trackref import object_ref from scrapy.utils.url import escape_ajax -RequestTypeVar = TypeVar("RequestTypeVar", bound="Request") +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self def NO_CALLBACK(*args: Any, **kwargs: Any) -> NoReturn: @@ -186,11 +189,11 @@ class Request(object_ref): @classmethod def from_curl( - cls: Type[RequestTypeVar], + cls, curl_command: str, ignore_unknown_options: bool = True, **kwargs: Any, - ) -> RequestTypeVar: + ) -> Self: """Create a Request object from a string containing a `cURL `_ command. It populates the HTTP method, the URL, the headers, the cookies and the body. It accepts the same diff --git a/scrapy/pipelines/files.py b/scrapy/pipelines/files.py index d04218089..d00f44502 100644 --- a/scrapy/pipelines/files.py +++ b/scrapy/pipelines/files.py @@ -4,6 +4,8 @@ Files Pipeline See documentation in topics/media-pipeline.rst """ +from __future__ import annotations + import base64 import functools import hashlib @@ -16,7 +18,7 @@ from ftplib import FTP from io import BytesIO from os import PathLike from pathlib import Path -from typing import IO, DefaultDict, Optional, Set, Union +from typing import IO, TYPE_CHECKING, DefaultDict, Optional, Set, Type, Union, cast from urllib.parse import urlparse from itemadapter import ItemAdapter @@ -34,6 +36,10 @@ from scrapy.utils.log import failure_to_exc_info from scrapy.utils.python import to_bytes from scrapy.utils.request import referer_str +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self + logger = logging.getLogger(__name__) @@ -385,8 +391,8 @@ class FilesPipeline(MediaPipeline): super().__init__(download_func=download_func, settings=settings) @classmethod - def from_settings(cls, settings): - s3store = cls.STORE_SCHEMES["s3"] + def from_settings(cls, settings) -> Self: + s3store: Type[S3FilesStore] = cast(Type[S3FilesStore], cls.STORE_SCHEMES["s3"]) s3store.AWS_ACCESS_KEY_ID = settings["AWS_ACCESS_KEY_ID"] s3store.AWS_SECRET_ACCESS_KEY = settings["AWS_SECRET_ACCESS_KEY"] s3store.AWS_SESSION_TOKEN = settings["AWS_SESSION_TOKEN"] @@ -396,11 +402,15 @@ class FilesPipeline(MediaPipeline): s3store.AWS_VERIFY = settings["AWS_VERIFY"] s3store.POLICY = settings["FILES_STORE_S3_ACL"] - gcs_store = cls.STORE_SCHEMES["gs"] + gcs_store: Type[GCSFilesStore] = cast( + Type[GCSFilesStore], cls.STORE_SCHEMES["gs"] + ) gcs_store.GCS_PROJECT_ID = settings["GCS_PROJECT_ID"] gcs_store.POLICY = settings["FILES_STORE_GCS_ACL"] or None - ftp_store = cls.STORE_SCHEMES["ftp"] + ftp_store: Type[FTPFilesStore] = cast( + Type[FTPFilesStore], cls.STORE_SCHEMES["ftp"] + ) ftp_store.FTP_USERNAME = settings["FTP_USER"] ftp_store.FTP_PASSWORD = settings["FTP_PASSWORD"] ftp_store.USE_ACTIVE_MODE = settings.getbool("FEED_STORAGE_FTP_ACTIVE") diff --git a/scrapy/pipelines/images.py b/scrapy/pipelines/images.py index 137aa7a9a..e7ef06fb3 100644 --- a/scrapy/pipelines/images.py +++ b/scrapy/pipelines/images.py @@ -4,25 +4,38 @@ Images Pipeline See documentation in topics/media-pipeline.rst """ +from __future__ import annotations + import functools import hashlib import warnings from contextlib import suppress from io import BytesIO from os import PathLike -from typing import Dict, Tuple, Union +from typing import TYPE_CHECKING, Dict, Tuple, Type, Union, cast from itemadapter import ItemAdapter from scrapy.exceptions import DropItem, NotConfigured, ScrapyDeprecationWarning from scrapy.http import Request from scrapy.http.request import NO_CALLBACK -from scrapy.pipelines.files import FileException, FilesPipeline, _md5sum +from scrapy.pipelines.files import ( + FileException, + FilesPipeline, + FTPFilesStore, + GCSFilesStore, + S3FilesStore, + _md5sum, +) # TODO: from scrapy.pipelines.media import MediaPipeline from scrapy.settings import Settings from scrapy.utils.python import get_func_args, to_bytes +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self + class NoimagesDrop(DropItem): """Product with no images exception""" @@ -96,8 +109,8 @@ class ImagesPipeline(FilesPipeline): self._deprecated_convert_image = None @classmethod - def from_settings(cls, settings): - s3store = cls.STORE_SCHEMES["s3"] + def from_settings(cls, settings) -> Self: + s3store: Type[S3FilesStore] = cast(Type[S3FilesStore], cls.STORE_SCHEMES["s3"]) s3store.AWS_ACCESS_KEY_ID = settings["AWS_ACCESS_KEY_ID"] s3store.AWS_SECRET_ACCESS_KEY = settings["AWS_SECRET_ACCESS_KEY"] s3store.AWS_SESSION_TOKEN = settings["AWS_SESSION_TOKEN"] @@ -107,11 +120,15 @@ class ImagesPipeline(FilesPipeline): s3store.AWS_VERIFY = settings["AWS_VERIFY"] s3store.POLICY = settings["IMAGES_STORE_S3_ACL"] - gcs_store = cls.STORE_SCHEMES["gs"] + gcs_store: Type[GCSFilesStore] = cast( + Type[GCSFilesStore], cls.STORE_SCHEMES["gs"] + ) gcs_store.GCS_PROJECT_ID = settings["GCS_PROJECT_ID"] gcs_store.POLICY = settings["IMAGES_STORE_GCS_ACL"] or None - ftp_store = cls.STORE_SCHEMES["ftp"] + ftp_store: Type[FTPFilesStore] = cast( + Type[FTPFilesStore], cls.STORE_SCHEMES["ftp"] + ) ftp_store.FTP_USERNAME = settings["FTP_USER"] ftp_store.FTP_PASSWORD = settings["FTP_PASSWORD"] ftp_store.USE_ACTIVE_MODE = settings.getbool("FEED_STORAGE_FTP_ACTIVE") diff --git a/scrapy/pipelines/media.py b/scrapy/pipelines/media.py index fc156ab41..fd5e70cb9 100644 --- a/scrapy/pipelines/media.py +++ b/scrapy/pipelines/media.py @@ -1,6 +1,9 @@ +from __future__ import annotations + import functools import logging from collections import defaultdict +from typing import TYPE_CHECKING from twisted.internet.defer import Deferred, DeferredList from twisted.python.failure import Failure @@ -12,6 +15,11 @@ from scrapy.utils.defer import defer_result, mustbe_deferred from scrapy.utils.log import failure_to_exc_info from scrapy.utils.misc import arg_to_iter +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self + + logger = logging.getLogger(__name__) @@ -67,9 +75,9 @@ class MediaPipeline: return formatted_key @classmethod - def from_crawler(cls, crawler): + def from_crawler(cls, crawler) -> Self: try: - pipe = cls.from_settings(crawler.settings) + pipe = cls.from_settings(crawler.settings) # type: ignore[attr-defined] except AttributeError: pipe = cls() pipe.crawler = crawler diff --git a/scrapy/spiders/crawl.py b/scrapy/spiders/crawl.py index 2a3913da5..ba8b7b366 100644 --- a/scrapy/spiders/crawl.py +++ b/scrapy/spiders/crawl.py @@ -5,8 +5,10 @@ for scraping typical web sites that requires crawling pages. See documentation in docs/topics/spiders.rst """ +from __future__ import annotations + import copy -from typing import AsyncIterable, Awaitable, Sequence +from typing import TYPE_CHECKING, AsyncIterable, Awaitable, Sequence from scrapy.http import HtmlResponse, Request, Response from scrapy.linkextractors import LinkExtractor @@ -14,6 +16,10 @@ from scrapy.spiders import Spider from scrapy.utils.asyncgen import collect_asyncgen from scrapy.utils.spider import iterate_spider_output +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self + def _identity(x): return x @@ -140,9 +146,9 @@ class CrawlSpider(Spider): self._rules[-1]._compile(self) @classmethod - def from_crawler(cls, crawler, *args, **kwargs): + def from_crawler(cls, crawler, *args, **kwargs) -> Self: spider = super().from_crawler(crawler, *args, **kwargs) - spider._follow_links = crawler.settings.getbool( + spider._follow_links = crawler.settings.getbool( # type: ignore[attr-defined] "CRAWLSPIDER_FOLLOW_LINKS", True ) return spider diff --git a/scrapy/spiders/sitemap.py b/scrapy/spiders/sitemap.py index cd83a1464..f0e630c42 100644 --- a/scrapy/spiders/sitemap.py +++ b/scrapy/spiders/sitemap.py @@ -1,3 +1,5 @@ +from __future__ import annotations + import logging import re from typing import TYPE_CHECKING, Any @@ -26,7 +28,7 @@ class SitemapSpider(Spider): _warn_size: int @classmethod - def from_crawler(cls, crawler: "Crawler", *args: Any, **kwargs: Any) -> "Self": + def from_crawler(cls, crawler: Crawler, *args: Any, **kwargs: Any) -> Self: spider = super().from_crawler(crawler, *args, **kwargs) spider._max_size = getattr( spider, "download_maxsize", spider.settings.getint("DOWNLOAD_MAXSIZE") diff --git a/scrapy/utils/request.py b/scrapy/utils/request.py index 1f07d58eb..c86f9fe39 100644 --- a/scrapy/utils/request.py +++ b/scrapy/utils/request.py @@ -3,6 +3,8 @@ This module provides some useful functions for working with scrapy.http.Request objects """ +from __future__ import annotations + import hashlib import json import warnings @@ -32,6 +34,9 @@ from scrapy.utils.misc import load_object from scrapy.utils.python import to_bytes, to_unicode if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self + from scrapy.crawler import Crawler @@ -133,10 +138,10 @@ class RequestFingerprinter: """ @classmethod - def from_crawler(cls, crawler): + def from_crawler(cls, crawler) -> Self: return cls(crawler) - def __init__(self, crawler: Optional["Crawler"] = None): + def __init__(self, crawler: Optional[Crawler] = None): if crawler: implementation = crawler.settings.get( "REQUEST_FINGERPRINTER_IMPLEMENTATION" From 8a08283580176049cb539423795830b9faea91a9 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Sun, 5 May 2024 22:32:46 +0500 Subject: [PATCH 154/786] Full typing for scrapy/http/cookies.py. --- scrapy/http/cookies.py | 123 +++++++++++++++++++++-------------- scrapy/http/response/text.py | 4 +- 2 files changed, 76 insertions(+), 51 deletions(-) diff --git a/scrapy/http/cookies.py b/scrapy/http/cookies.py index 72855bad5..8af89c74f 100644 --- a/scrapy/http/cookies.py +++ b/scrapy/http/cookies.py @@ -1,36 +1,56 @@ +from __future__ import annotations + import re import time from http.cookiejar import Cookie from http.cookiejar import CookieJar as _CookieJar -from http.cookiejar import DefaultCookiePolicy -from typing import Sequence +from http.cookiejar import CookiePolicy, DefaultCookiePolicy +from typing import ( + TYPE_CHECKING, + Any, + Dict, + Iterator, + List, + Optional, + Sequence, + Tuple, + cast, +) from scrapy import Request from scrapy.http import Response from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.python import to_unicode +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self + # Defined in the http.cookiejar module, but undocumented: # https://github.com/python/cpython/blob/v3.9.0/Lib/http/cookiejar.py#L527 IPV4_RE = re.compile(r"\.\d+$", re.ASCII) class CookieJar: - def __init__(self, policy=None, check_expired_frequency=10000): - self.policy = policy or DefaultCookiePolicy() - self.jar = _CookieJar(self.policy) - self.jar._cookies_lock = _DummyLock() - self.check_expired_frequency = check_expired_frequency - self.processed = 0 + def __init__( + self, + policy: Optional[CookiePolicy] = None, + check_expired_frequency: int = 10000, + ): + self.policy: CookiePolicy = policy or DefaultCookiePolicy() + self.jar: _CookieJar = _CookieJar(self.policy) + self.jar._cookies_lock = _DummyLock() # type: ignore[attr-defined] + self.check_expired_frequency: int = check_expired_frequency + self.processed: int = 0 - def extract_cookies(self, response, request): + def extract_cookies(self, response: Response, request: Request) -> None: wreq = WrappedRequest(request) wrsp = WrappedResponse(response) - return self.jar.extract_cookies(wrsp, wreq) + self.jar.extract_cookies(wrsp, wreq) # type: ignore[arg-type] def add_cookie_header(self, request: Request) -> None: wreq = WrappedRequest(request) - self.policy._now = self.jar._now = int(time.time()) + self.policy._now = self.jar._now = int(time.time()) # type: ignore[attr-defined] # the cookiejar implementation iterates through all domains # instead we restrict to potential matches on the domain @@ -47,10 +67,10 @@ class CookieJar: cookies = [] for host in hosts: - if host in self.jar._cookies: - cookies += self.jar._cookies_for_domain(host, wreq) + if host in self.jar._cookies: # type: ignore[attr-defined] + cookies += self.jar._cookies_for_domain(host, wreq) # type: ignore[attr-defined] - attrs = self.jar._cookie_attrs(cookies) + attrs = self.jar._cookie_attrs(cookies) # type: ignore[attr-defined] if attrs: if not wreq.has_header("Cookie"): wreq.add_unredirected_header("Cookie", "; ".join(attrs)) @@ -61,37 +81,42 @@ class CookieJar: self.jar.clear_expired_cookies() @property - def _cookies(self): - return self.jar._cookies + def _cookies(self) -> Dict[str, Dict[str, Dict[str, Cookie]]]: + return self.jar._cookies # type: ignore[attr-defined,no-any-return] - def clear_session_cookies(self, *args, **kwargs): - return self.jar.clear_session_cookies(*args, **kwargs) + def clear_session_cookies(self) -> None: + return self.jar.clear_session_cookies() - def clear(self, domain=None, path=None, name=None): - return self.jar.clear(domain, path, name) + def clear( + self, + domain: Optional[str] = None, + path: Optional[str] = None, + name: Optional[str] = None, + ) -> None: + self.jar.clear(domain, path, name) - def __iter__(self): + def __iter__(self) -> Iterator[Cookie]: return iter(self.jar) - def __len__(self): + def __len__(self) -> int: return len(self.jar) - def set_policy(self, pol): - return self.jar.set_policy(pol) + def set_policy(self, pol: CookiePolicy) -> None: + self.jar.set_policy(pol) def make_cookies(self, response: Response, request: Request) -> Sequence[Cookie]: wreq = WrappedRequest(request) wrsp = WrappedResponse(response) - return self.jar.make_cookies(wrsp, wreq) + return self.jar.make_cookies(wrsp, wreq) # type: ignore[arg-type] - def set_cookie(self, cookie): + def set_cookie(self, cookie: Cookie) -> None: self.jar.set_cookie(cookie) def set_cookie_if_ok(self, cookie: Cookie, request: Request) -> None: - self.jar.set_cookie_if_ok(cookie, WrappedRequest(request)) + self.jar.set_cookie_if_ok(cookie, WrappedRequest(request)) # type: ignore[arg-type] -def potential_domain_matches(domain): +def potential_domain_matches(domain: str) -> List[str]: """Potential domain matches for a cookie >>> potential_domain_matches('www.example.com') @@ -111,10 +136,10 @@ def potential_domain_matches(domain): class _DummyLock: - def acquire(self): + def acquire(self) -> None: pass - def release(self): + def release(self) -> None: pass @@ -124,19 +149,19 @@ class WrappedRequest: see http://docs.python.org/library/urllib2.html#urllib2.Request """ - def __init__(self, request): + def __init__(self, request: Request): self.request = request - def get_full_url(self): + def get_full_url(self) -> str: return self.request.url - def get_host(self): + def get_host(self) -> str: return urlparse_cached(self.request).netloc - def get_type(self): + def get_type(self) -> str: return urlparse_cached(self.request).scheme - def is_unverifiable(self): + def is_unverifiable(self) -> bool: """Unverifiable should indicate whether the request is unverifiable, as defined by RFC 2965. It defaults to False. An unverifiable request is one whose URL the user did not have the @@ -144,36 +169,36 @@ class WrappedRequest: HTML document, and the user had no option to approve the automatic fetching of the image, this should be true. """ - return self.request.meta.get("is_unverifiable", False) + return cast(bool, self.request.meta.get("is_unverifiable", False)) @property - def full_url(self): + def full_url(self) -> str: return self.get_full_url() @property - def host(self): + def host(self) -> str: return self.get_host() @property - def type(self): + def type(self) -> str: return self.get_type() @property - def unverifiable(self): + def unverifiable(self) -> bool: return self.is_unverifiable() @property - def origin_req_host(self): - return urlparse_cached(self.request).hostname + def origin_req_host(self) -> str: + return cast(str, urlparse_cached(self.request).hostname) - def has_header(self, name): + def has_header(self, name: str) -> bool: return name in self.request.headers - def get_header(self, name, default=None): + def get_header(self, name: str, default: Optional[str] = None) -> Optional[str]: value = self.request.headers.get(name, default) return to_unicode(value, errors="replace") if value is not None else None - def header_items(self): + def header_items(self) -> List[Tuple[str, List[str]]]: return [ ( to_unicode(k, errors="replace"), @@ -182,18 +207,18 @@ class WrappedRequest: for k, v in self.request.headers.items() ] - def add_unredirected_header(self, name, value): + def add_unredirected_header(self, name: str, value: str) -> None: self.request.headers.appendlist(name, value) class WrappedResponse: - def __init__(self, response): + def __init__(self, response: Response): self.response = response - def info(self): + def info(self) -> Self: return self - def get_all(self, name, default=None): + def get_all(self, name: str, default: Any = None) -> List[str]: return [ to_unicode(v, errors="replace") for v in self.response.headers.getlist(name) ] diff --git a/scrapy/http/response/text.py b/scrapy/http/response/text.py index 2816610fb..522ffc0d5 100644 --- a/scrapy/http/response/text.py +++ b/scrapy/http/response/text.py @@ -159,12 +159,12 @@ class TextResponse(Response): def jmespath(self, query: str, **kwargs: Any) -> SelectorList: from scrapy.selector import SelectorList - if not hasattr(self.selector, "jmespath"): # type: ignore[attr-defined] + if not hasattr(self.selector, "jmespath"): raise AttributeError( "Please install parsel >= 1.8.1 to get jmespath support" ) - return cast(SelectorList, self.selector.jmespath(query, **kwargs)) # type: ignore[attr-defined] + return cast(SelectorList, self.selector.jmespath(query, **kwargs)) def xpath(self, query: str, **kwargs: Any) -> SelectorList: from scrapy.selector import SelectorList From c76dfc383f34514a5a2841d2e32ac4e0c8c751a3 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Sun, 5 May 2024 22:52:15 +0500 Subject: [PATCH 155/786] Full typing for scrapy/linkextractors. --- scrapy/commands/bench.py | 3 +- scrapy/linkextractors/__init__.py | 8 +- scrapy/linkextractors/lxmlhtml.py | 149 +++++++++++++++++------------- 3 files changed, 91 insertions(+), 69 deletions(-) diff --git a/scrapy/commands/bench.py b/scrapy/commands/bench.py index 2e6bb5d86..7523f3cfe 100644 --- a/scrapy/commands/bench.py +++ b/scrapy/commands/bench.py @@ -8,7 +8,7 @@ from urllib.parse import urlencode import scrapy from scrapy import Request from scrapy.commands import ScrapyCommand -from scrapy.http import Response +from scrapy.http import Response, TextResponse from scrapy.linkextractors import LinkExtractor @@ -61,5 +61,6 @@ class _BenchSpider(scrapy.Spider): return [scrapy.Request(url, dont_filter=True)] def parse(self, response: Response) -> Any: # type: ignore[override] + assert isinstance(Response, TextResponse) for link in self.link_extractor.extract_links(response): yield scrapy.Request(link.url, callback=self.parse) diff --git a/scrapy/linkextractors/__init__.py b/scrapy/linkextractors/__init__.py index 73a63651c..38dbe8135 100644 --- a/scrapy/linkextractors/__init__.py +++ b/scrapy/linkextractors/__init__.py @@ -7,6 +7,7 @@ For more info see docs/topics/link-extractors.rst """ import re +from typing import Iterable # common file extensions that are not followed if they occur in links IGNORED_EXTENSIONS = [ @@ -110,14 +111,11 @@ IGNORED_EXTENSIONS = [ ] -_re_type = type(re.compile("", 0)) - - -def _matches(url, regexs): +def _matches(url: str, regexs: Iterable[re.Pattern[str]]) -> bool: return any(r.search(url) for r in regexs) -def _is_valid_url(url): +def _is_valid_url(url: str) -> bool: return url.split("://", 1)[0] in {"http", "https", "file", "ftp"} diff --git a/scrapy/linkextractors/lxmlhtml.py b/scrapy/linkextractors/lxmlhtml.py index 71c6d08fc..3fa7d1e3a 100644 --- a/scrapy/linkextractors/lxmlhtml.py +++ b/scrapy/linkextractors/lxmlhtml.py @@ -5,21 +5,19 @@ Link extractor based on lxml.html import logging import operator from functools import partial +from typing import Any, Callable, Iterable, List, Optional, Set, Tuple, Union, cast from urllib.parse import urljoin, urlparse from lxml import etree # nosec +from lxml.html import HtmlElement # nosec from parsel.csstranslator import HTMLTranslator from w3lib.html import strip_html5_whitespace from w3lib.url import canonicalize_url, safe_url_string +from scrapy import Selector +from scrapy.http import TextResponse from scrapy.link import Link -from scrapy.linkextractors import ( - IGNORED_EXTENSIONS, - _is_valid_url, - _matches, - _re_type, - re, -) +from scrapy.linkextractors import IGNORED_EXTENSIONS, _is_valid_url, _matches, re from scrapy.utils.misc import arg_to_iter, rel_has_nofollow from scrapy.utils.python import unique as unique_list from scrapy.utils.response import get_base_url @@ -33,41 +31,56 @@ XHTML_NAMESPACE = "http://www.w3.org/1999/xhtml" _collect_string_content = etree.XPath("string()") -def _nons(tag): +def _nons(tag: Any) -> Any: if isinstance(tag, str): if tag[0] == "{" and tag[1 : len(XHTML_NAMESPACE) + 1] == XHTML_NAMESPACE: return tag.split("}")[-1] return tag -def _identity(x): +def _identity(x: Any) -> Any: return x -def _canonicalize_link_url(link): +def _canonicalize_link_url(link: Link) -> str: return canonicalize_url(link.url, keep_fragments=True) class LxmlParserLinkExtractor: def __init__( self, - tag="a", - attr="href", - process=None, - unique=False, - strip=True, - canonicalized=False, + tag: Union[str, Callable[[str], bool]] = "a", + attr: Union[str, Callable[[str], bool]] = "href", + process: Optional[Callable[[Any], Any]] = None, + unique: bool = False, + strip: bool = True, + canonicalized: bool = False, ): - self.scan_tag = tag if callable(tag) else partial(operator.eq, tag) - self.scan_attr = attr if callable(attr) else partial(operator.eq, attr) - self.process_attr = process if callable(process) else _identity - self.unique = unique - self.strip = strip - self.link_key = ( - operator.attrgetter("url") if canonicalized else _canonicalize_link_url + # mypy doesn't infer types for operator.* and also for partial() + self.scan_tag: Callable[[str], bool] = ( + tag + if callable(tag) + else cast(Callable[[str], bool], partial(operator.eq, tag)) + ) + self.scan_attr: Callable[[str], bool] = ( + attr + if callable(attr) + else cast(Callable[[str], bool], partial(operator.eq, attr)) + ) + self.process_attr: Callable[[Any], Any] = ( + process if callable(process) else _identity + ) + self.unique: bool = unique + self.strip: bool = strip + self.link_key: Callable[[Link], str] = ( + cast(Callable[[Link], str], operator.attrgetter("url")) + if canonicalized + else _canonicalize_link_url ) - def _iter_links(self, document): + def _iter_links( + self, document: HtmlElement + ) -> Iterable[Tuple[HtmlElement, str, str]]: for el in document.iter(etree.Element): if not self.scan_tag(_nons(el.tag)): continue @@ -75,10 +88,16 @@ class LxmlParserLinkExtractor: for attrib in attribs: if not self.scan_attr(attrib): continue - yield (el, attrib, attribs[attrib]) + yield el, attrib, attribs[attrib] - def _extract_links(self, selector, response_url, response_encoding, base_url): - links = [] + def _extract_links( + self, + selector: Selector, + response_url: str, + response_encoding: str, + base_url: str, + ) -> List[Link]: + links: List[Link] = [] # hacky way to get the underlying lxml parsed document for el, attr, attr_val in self._iter_links(selector.root): # pseudo lxml.html.HtmlElement.make_links_absolute(base_url) @@ -108,44 +127,48 @@ class LxmlParserLinkExtractor: links.append(link) return self._deduplicate_if_needed(links) - def extract_links(self, response): + def extract_links(self, response: TextResponse) -> List[Link]: base_url = get_base_url(response) return self._extract_links( response.selector, response.url, response.encoding, base_url ) - def _process_links(self, links): + def _process_links(self, links: List[Link]) -> List[Link]: """Normalize and filter extracted links The subclass should override it if necessary """ return self._deduplicate_if_needed(links) - def _deduplicate_if_needed(self, links): + def _deduplicate_if_needed(self, links: List[Link]) -> List[Link]: if self.unique: return unique_list(links, key=self.link_key) return links +_RegexT = Union[str, re.Pattern[str]] +_RegexOrSeveralT = Union[_RegexT, Iterable[_RegexT]] + + class LxmlLinkExtractor: _csstranslator = HTMLTranslator() def __init__( self, - allow=(), - deny=(), - allow_domains=(), - deny_domains=(), - restrict_xpaths=(), - tags=("a", "area"), - attrs=("href",), - canonicalize=False, - unique=True, - process_value=None, - deny_extensions=None, - restrict_css=(), - strip=True, - restrict_text=None, + allow: _RegexOrSeveralT = (), + deny: _RegexOrSeveralT = (), + allow_domains: Union[str, Iterable[str]] = (), + deny_domains: Union[str, Iterable[str]] = (), + restrict_xpaths: Union[str, Iterable[str]] = (), + tags: Union[str, Iterable[str]] = ("a", "area"), + attrs: Union[str, Iterable[str]] = ("href",), + canonicalize: bool = False, + unique: bool = True, + process_value: Optional[Callable[[Any], Any]] = None, + deny_extensions: Union[str, Iterable[str], None] = None, + restrict_css: Union[str, Iterable[str]] = (), + strip: bool = True, + restrict_text: Optional[_RegexOrSeveralT] = None, ): tags, attrs = set(arg_to_iter(tags)), set(arg_to_iter(attrs)) self.link_extractor = LxmlParserLinkExtractor( @@ -156,31 +179,31 @@ class LxmlLinkExtractor: strip=strip, canonicalized=not canonicalize, ) - self.allow_res = [ - x if isinstance(x, _re_type) else re.compile(x) for x in arg_to_iter(allow) - ] - self.deny_res = [ - x if isinstance(x, _re_type) else re.compile(x) for x in arg_to_iter(deny) - ] + self.allow_res: List[re.Pattern[str]] = self._compile_regexes(allow) + self.deny_res: List[re.Pattern[str]] = self._compile_regexes(deny) - self.allow_domains = set(arg_to_iter(allow_domains)) - self.deny_domains = set(arg_to_iter(deny_domains)) + self.allow_domains: Set[str] = set(arg_to_iter(allow_domains)) + self.deny_domains: Set[str] = set(arg_to_iter(deny_domains)) - self.restrict_xpaths = tuple(arg_to_iter(restrict_xpaths)) + self.restrict_xpaths: Tuple[str, ...] = tuple(arg_to_iter(restrict_xpaths)) self.restrict_xpaths += tuple( map(self._csstranslator.css_to_xpath, arg_to_iter(restrict_css)) ) if deny_extensions is None: deny_extensions = IGNORED_EXTENSIONS - self.canonicalize = canonicalize - self.deny_extensions = {"." + e for e in arg_to_iter(deny_extensions)} - self.restrict_text = [ - x if isinstance(x, _re_type) else re.compile(x) - for x in arg_to_iter(restrict_text) + self.canonicalize: bool = canonicalize + self.deny_extensions: Set[str] = {"." + e for e in arg_to_iter(deny_extensions)} + self.restrict_text: List[re.Pattern[str]] = self._compile_regexes(restrict_text) + + @staticmethod + def _compile_regexes(value: Optional[_RegexOrSeveralT]) -> List[re.Pattern[str]]: + return [ + x if isinstance(x, re.Pattern) else re.compile(x) + for x in arg_to_iter(value) ] - def _link_allowed(self, link): + def _link_allowed(self, link: Link) -> bool: if not _is_valid_url(link.url): return False if self.allow_res and not _matches(link.url, self.allow_res): @@ -202,7 +225,7 @@ class LxmlLinkExtractor: return False return True - def matches(self, url): + def matches(self, url: str) -> bool: if self.allow_domains and not url_is_from_any_domain(url, self.allow_domains): return False if self.deny_domains and url_is_from_any_domain(url, self.deny_domains): @@ -216,7 +239,7 @@ class LxmlLinkExtractor: denied = (regex.search(url) for regex in self.deny_res) if self.deny_res else [] return any(allowed) and not any(denied) - def _process_links(self, links): + def _process_links(self, links: List[Link]) -> List[Link]: links = [x for x in links if self._link_allowed(x)] if self.canonicalize: for link in links: @@ -224,10 +247,10 @@ class LxmlLinkExtractor: links = self.link_extractor._process_links(links) return links - def _extract_links(self, *args, **kwargs): + def _extract_links(self, *args: Any, **kwargs: Any) -> List[Link]: return self.link_extractor._extract_links(*args, **kwargs) - def extract_links(self, response): + def extract_links(self, response: TextResponse) -> List[Link]: """Returns a list of :class:`~scrapy.link.Link` objects from the specified :class:`response `. From 4b47a5dc32232431494b38f3a1d9ddb3dbaa6247 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Sun, 5 May 2024 22:55:21 +0500 Subject: [PATCH 156/786] Skip coverage checks for TYPE_CHECKING blocks. --- .coveragerc | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/.coveragerc b/.coveragerc index ad0ee0f6c..f9ad353d5 100644 --- a/.coveragerc +++ b/.coveragerc @@ -4,3 +4,9 @@ include = scrapy/* omit = tests/* disable_warnings = include-ignored + +[report] +# https://github.com/nedbat/coveragepy/issues/831#issuecomment-517778185 +exclude_lines = + pragma: no cover + if TYPE_CHECKING: From 40e4a5960477299e36a0f7363db4a3c03576f64e Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Sun, 5 May 2024 23:00:16 +0500 Subject: [PATCH 157/786] Fix Python 3.8. --- scrapy/linkextractors/__init__.py | 4 ++-- scrapy/linkextractors/lxmlhtml.py | 23 +++++++++++++++++------ 2 files changed, 19 insertions(+), 8 deletions(-) diff --git a/scrapy/linkextractors/__init__.py b/scrapy/linkextractors/__init__.py index 38dbe8135..d59005edd 100644 --- a/scrapy/linkextractors/__init__.py +++ b/scrapy/linkextractors/__init__.py @@ -7,7 +7,7 @@ For more info see docs/topics/link-extractors.rst """ import re -from typing import Iterable +from typing import Iterable, Pattern # common file extensions that are not followed if they occur in links IGNORED_EXTENSIONS = [ @@ -111,7 +111,7 @@ IGNORED_EXTENSIONS = [ ] -def _matches(url: str, regexs: Iterable[re.Pattern[str]]) -> bool: +def _matches(url: str, regexs: Iterable[Pattern[str]]) -> bool: return any(r.search(url) for r in regexs) diff --git a/scrapy/linkextractors/lxmlhtml.py b/scrapy/linkextractors/lxmlhtml.py index 3fa7d1e3a..33a10cd6c 100644 --- a/scrapy/linkextractors/lxmlhtml.py +++ b/scrapy/linkextractors/lxmlhtml.py @@ -5,7 +5,18 @@ Link extractor based on lxml.html import logging import operator from functools import partial -from typing import Any, Callable, Iterable, List, Optional, Set, Tuple, Union, cast +from typing import ( + Any, + Callable, + Iterable, + List, + Optional, + Pattern, + Set, + Tuple, + Union, + cast, +) from urllib.parse import urljoin, urlparse from lxml import etree # nosec @@ -146,7 +157,7 @@ class LxmlParserLinkExtractor: return links -_RegexT = Union[str, re.Pattern[str]] +_RegexT = Union[str, Pattern[str]] _RegexOrSeveralT = Union[_RegexT, Iterable[_RegexT]] @@ -179,8 +190,8 @@ class LxmlLinkExtractor: strip=strip, canonicalized=not canonicalize, ) - self.allow_res: List[re.Pattern[str]] = self._compile_regexes(allow) - self.deny_res: List[re.Pattern[str]] = self._compile_regexes(deny) + self.allow_res: List[Pattern[str]] = self._compile_regexes(allow) + self.deny_res: List[Pattern[str]] = self._compile_regexes(deny) self.allow_domains: Set[str] = set(arg_to_iter(allow_domains)) self.deny_domains: Set[str] = set(arg_to_iter(deny_domains)) @@ -194,10 +205,10 @@ class LxmlLinkExtractor: deny_extensions = IGNORED_EXTENSIONS self.canonicalize: bool = canonicalize self.deny_extensions: Set[str] = {"." + e for e in arg_to_iter(deny_extensions)} - self.restrict_text: List[re.Pattern[str]] = self._compile_regexes(restrict_text) + self.restrict_text: List[Pattern[str]] = self._compile_regexes(restrict_text) @staticmethod - def _compile_regexes(value: Optional[_RegexOrSeveralT]) -> List[re.Pattern[str]]: + def _compile_regexes(value: Optional[_RegexOrSeveralT]) -> List[Pattern[str]]: return [ x if isinstance(x, re.Pattern) else re.compile(x) for x in arg_to_iter(value) From aa025d7eacb461ccb0c724584532d402bb400bd1 Mon Sep 17 00:00:00 2001 From: Sanchay Kumar <51812506+kumar-sanchay@users.noreply.github.com> Date: Mon, 6 May 2024 14:59:35 +0530 Subject: [PATCH 158/786] Indicate that Selector.type can be json (#6334) --- scrapy/selector/unified.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scrapy/selector/unified.py b/scrapy/selector/unified.py index aa9581fcd..e852aadc7 100644 --- a/scrapy/selector/unified.py +++ b/scrapy/selector/unified.py @@ -47,7 +47,7 @@ class Selector(_ParselSelector, object_ref): ``response`` isn't available. Using ``text`` and ``response`` together is undefined behavior. - ``type`` defines the selector type, it can be ``"html"``, ``"xml"`` + ``type`` defines the selector type, it can be ``"html"``, ``"xml"``, ``"json"`` or ``None`` (default). If ``type`` is ``None``, the selector automatically chooses the best type From 2cba7896d26dda51ff2e598300363531ebd328b8 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 6 May 2024 14:31:24 +0500 Subject: [PATCH 159/786] Small fix for _get_slot_key(). --- scrapy/core/downloader/__init__.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scrapy/core/downloader/__init__.py b/scrapy/core/downloader/__init__.py index f88da41ea..98e1af6fb 100644 --- a/scrapy/core/downloader/__init__.py +++ b/scrapy/core/downloader/__init__.py @@ -143,7 +143,7 @@ class Downloader: return key, self.slots[key] - def _get_slot_key(self, request: Request, spider: Any) -> str: + def _get_slot_key(self, request: Request, spider: Optional[Spider]) -> str: if self.DOWNLOAD_SLOT in request.meta: return cast(str, request.meta[self.DOWNLOAD_SLOT]) From c4d2748ff572adad8150f1bc09b2d52e61d9dfc8 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Sat, 4 May 2024 17:07:19 +0500 Subject: [PATCH 160/786] Small typing improvements in scrapy/core/downloader/contextfactory.py. --- scrapy/core/downloader/contextfactory.py | 7 +++++-- scrapy/core/downloader/handlers/http10.py | 2 +- scrapy/core/downloader/handlers/http11.py | 2 +- scrapy/core/downloader/handlers/http2.py | 2 +- 4 files changed, 8 insertions(+), 5 deletions(-) diff --git a/scrapy/core/downloader/contextfactory.py b/scrapy/core/downloader/contextfactory.py index 6a82634f1..0e77cd2fe 100644 --- a/scrapy/core/downloader/contextfactory.py +++ b/scrapy/core/downloader/contextfactory.py @@ -21,6 +21,7 @@ from scrapy.core.downloader.tls import ( ScrapyClientTLSOptions, openssl_methods, ) +from scrapy.crawler import Crawler from scrapy.settings import BaseSettings from scrapy.utils.misc import build_from_crawler, load_object @@ -102,7 +103,7 @@ class ScrapyClientContextFactory(BrowserLikePolicyForHTTPS): # kept for old-style HTTP/1.0 downloader context twisted calls, # e.g. connectSSL() def getContext(self, hostname: Any = None, port: Any = None) -> SSL.Context: - ctx = self.getCertificateOptions().getContext() + ctx: SSL.Context = self.getCertificateOptions().getContext() ctx.set_options(0x4) # OP_LEGACY_SERVER_CONNECT return ctx @@ -165,7 +166,9 @@ class AcceptableProtocolsContextFactory: return options -def load_context_factory_from_settings(settings, crawler): +def load_context_factory_from_settings( + settings: BaseSettings, crawler: Crawler +) -> IPolicyForHTTPS: ssl_method = openssl_methods[settings.get("DOWNLOADER_CLIENT_TLS_METHOD")] context_factory_cls = load_object(settings["DOWNLOADER_CLIENTCONTEXTFACTORY"]) # try method-aware context factory diff --git a/scrapy/core/downloader/handlers/http10.py b/scrapy/core/downloader/handlers/http10.py index 256dc36a1..2507a4231 100644 --- a/scrapy/core/downloader/handlers/http10.py +++ b/scrapy/core/downloader/handlers/http10.py @@ -16,7 +16,7 @@ if TYPE_CHECKING: class HTTP10DownloadHandler: lazy = False - def __init__(self, settings, crawler=None): + def __init__(self, settings, crawler): self.HTTPClientFactory = load_object(settings["DOWNLOADER_HTTPCLIENTFACTORY"]) self.ClientContextFactory = load_object( settings["DOWNLOADER_CLIENTCONTEXTFACTORY"] diff --git a/scrapy/core/downloader/handlers/http11.py b/scrapy/core/downloader/handlers/http11.py index 15f8abc64..52561f7e6 100644 --- a/scrapy/core/downloader/handlers/http11.py +++ b/scrapy/core/downloader/handlers/http11.py @@ -46,7 +46,7 @@ logger = logging.getLogger(__name__) class HTTP11DownloadHandler: lazy = False - def __init__(self, settings, crawler=None): + def __init__(self, settings, crawler): self._crawler = crawler from twisted.internet import reactor diff --git a/scrapy/core/downloader/handlers/http2.py b/scrapy/core/downloader/handlers/http2.py index e9a6b6fa3..efe45c459 100644 --- a/scrapy/core/downloader/handlers/http2.py +++ b/scrapy/core/downloader/handlers/http2.py @@ -24,7 +24,7 @@ if TYPE_CHECKING: class H2DownloadHandler: - def __init__(self, settings: Settings, crawler: Optional[Crawler] = None): + def __init__(self, settings: Settings, crawler: Crawler): self._crawler = crawler from twisted.internet import reactor From ec4d40702227f5486c184de9439da4896121a33b Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Sat, 4 May 2024 17:36:16 +0500 Subject: [PATCH 161/786] Full typing for smaller download handlers. --- scrapy/core/downloader/handlers/file.py | 4 +++- scrapy/core/downloader/handlers/http11.py | 6 ++--- scrapy/core/downloader/handlers/http2.py | 3 ++- scrapy/core/downloader/handlers/s3.py | 27 ++++++++++++++--------- 4 files changed, 25 insertions(+), 15 deletions(-) diff --git a/scrapy/core/downloader/handlers/file.py b/scrapy/core/downloader/handlers/file.py index 4824167da..17dd7483b 100644 --- a/scrapy/core/downloader/handlers/file.py +++ b/scrapy/core/downloader/handlers/file.py @@ -2,6 +2,8 @@ from pathlib import Path from w3lib.url import file_uri_to_path +from scrapy import Request, Spider +from scrapy.http import Response from scrapy.responsetypes import responsetypes from scrapy.utils.decorators import defers @@ -10,7 +12,7 @@ class FileDownloadHandler: lazy = False @defers - def download_request(self, request, spider): + def download_request(self, request: Request, spider: Spider) -> Response: filepath = file_uri_to_path(request.url) body = Path(filepath).read_bytes() respcls = responsetypes.from_args(filename=filepath, body=body) diff --git a/scrapy/core/downloader/handlers/http11.py b/scrapy/core/downloader/handlers/http11.py index 52561f7e6..2e7ea559a 100644 --- a/scrapy/core/downloader/handlers/http11.py +++ b/scrapy/core/downloader/handlers/http11.py @@ -27,11 +27,11 @@ from twisted.web.http_headers import Headers as TxHeaders from twisted.web.iweb import UNKNOWN_LENGTH, IBodyProducer from zope.interface import implementer -from scrapy import signals +from scrapy import Request, Spider, signals from scrapy.core.downloader.contextfactory import load_context_factory_from_settings from scrapy.core.downloader.webclient import _parse from scrapy.exceptions import StopDownload -from scrapy.http import Headers +from scrapy.http import Headers, Response from scrapy.responsetypes import responsetypes from scrapy.utils.python import to_bytes, to_unicode @@ -67,7 +67,7 @@ class HTTP11DownloadHandler: def from_crawler(cls, crawler) -> Self: return cls(crawler.settings, crawler) - def download_request(self, request, spider): + def download_request(self, request: Request, spider: Spider) -> Response: """Return a deferred for the HTTP download""" agent = ScrapyAgent( contextFactory=self._contextFactory, diff --git a/scrapy/core/downloader/handlers/http2.py b/scrapy/core/downloader/handlers/http2.py index efe45c459..16fc1e3ae 100644 --- a/scrapy/core/downloader/handlers/http2.py +++ b/scrapy/core/downloader/handlers/http2.py @@ -8,6 +8,7 @@ from twisted.internet.base import DelayedCall from twisted.internet.defer import Deferred from twisted.internet.error import TimeoutError from twisted.web.client import URI +from twisted.web.iweb import IPolicyForHTTPS from scrapy.core.downloader.contextfactory import load_context_factory_from_settings from scrapy.core.downloader.webclient import _parse @@ -54,7 +55,7 @@ class ScrapyH2Agent: def __init__( self, - context_factory, + context_factory: IPolicyForHTTPS, pool: H2ConnectionPool, connect_timeout: int = 10, bind_address: Optional[bytes] = None, diff --git a/scrapy/core/downloader/handlers/s3.py b/scrapy/core/downloader/handlers/s3.py index 99fbb49ce..c88dd2cdc 100644 --- a/scrapy/core/downloader/handlers/s3.py +++ b/scrapy/core/downloader/handlers/s3.py @@ -1,9 +1,13 @@ from __future__ import annotations -from typing import TYPE_CHECKING +from typing import TYPE_CHECKING, Any, Optional, Type +from scrapy import Request, Spider from scrapy.core.downloader.handlers.http import HTTPDownloadHandler +from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured +from scrapy.http import Response +from scrapy.settings import BaseSettings from scrapy.utils.boto import is_botocore_available from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.misc import build_from_crawler @@ -16,14 +20,14 @@ if TYPE_CHECKING: class S3DownloadHandler: def __init__( self, - settings, + settings: BaseSettings, *, - crawler=None, - aws_access_key_id=None, - aws_secret_access_key=None, - aws_session_token=None, - httpdownloadhandler=HTTPDownloadHandler, - **kw, + crawler: Crawler, + aws_access_key_id: Optional[str] = None, + aws_secret_access_key: Optional[str] = None, + aws_session_token: Optional[str] = None, + httpdownloadhandler: Type[HTTPDownloadHandler] = HTTPDownloadHandler, + **kw: Any, ): if not is_botocore_available(): raise NotConfigured("missing botocore library") @@ -51,6 +55,8 @@ class S3DownloadHandler: if kw: raise TypeError(f"Unexpected keyword arguments: {kw}") if not self.anon: + assert aws_access_key_id is not None + assert aws_secret_access_key is not None SignerCls = botocore.auth.AUTH_TYPE_MAPS["s3"] self._signer = SignerCls( botocore.credentials.Credentials( @@ -65,10 +71,10 @@ class S3DownloadHandler: self._download_http = _http_handler.download_request @classmethod - def from_crawler(cls, crawler, **kwargs) -> Self: + def from_crawler(cls, crawler: Crawler, **kwargs: Any) -> Self: return cls(crawler.settings, crawler=crawler, **kwargs) - def download_request(self, request, spider): + def download_request(self, request: Request, spider: Spider) -> Response: p = urlparse_cached(request) scheme = "https" if request.meta.get("is_secure") else "http" bucket = p.hostname @@ -85,6 +91,7 @@ class S3DownloadHandler: headers=request.headers.to_unicode_dict(), data=request.body, ) + assert self._signer self._signer.add_auth(awsrequest) request = request.replace(url=url, headers=awsrequest.headers.items()) return self._download_http(request, spider) From e8e13ebb78dd1d2db425b285335f31dba7c1fd39 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Sat, 4 May 2024 18:03:06 +0500 Subject: [PATCH 162/786] Full typing for scrapy/core/downloader/handlers/ftp.py. --- scrapy/core/downloader/handlers/ftp.py | 40 +++++++++++++++----------- 1 file changed, 24 insertions(+), 16 deletions(-) diff --git a/scrapy/core/downloader/handlers/ftp.py b/scrapy/core/downloader/handlers/ftp.py index 69add8558..ed94b2221 100644 --- a/scrapy/core/downloader/handlers/ftp.py +++ b/scrapy/core/downloader/handlers/ftp.py @@ -32,15 +32,19 @@ from __future__ import annotations import re from io import BytesIO -from typing import TYPE_CHECKING +from typing import TYPE_CHECKING, Any, BinaryIO, Dict, Optional from urllib.parse import unquote +from twisted.internet.defer import Deferred from twisted.internet.protocol import ClientCreator, Protocol from twisted.protocols.ftp import CommandFailed, FTPClient +from twisted.python.failure import Failure +from scrapy import Request, Spider from scrapy.crawler import Crawler from scrapy.http import Response from scrapy.responsetypes import responsetypes +from scrapy.settings import BaseSettings from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.python import to_bytes @@ -50,20 +54,20 @@ if TYPE_CHECKING: class ReceivedDataProtocol(Protocol): - def __init__(self, filename=None): - self.__filename = filename - self.body = open(filename, "wb") if filename else BytesIO() - self.size = 0 + def __init__(self, filename: Optional[str] = None): + self.__filename: Optional[str] = filename + self.body: BinaryIO = open(filename, "wb") if filename else BytesIO() + self.size: int = 0 - def dataReceived(self, data): + def dataReceived(self, data: bytes) -> None: self.body.write(data) self.size += len(data) @property - def filename(self): + def filename(self) -> Optional[str]: return self.__filename - def close(self): + def close(self) -> None: self.body.close() if self.filename else self.body.seek(0) @@ -73,12 +77,12 @@ _CODE_RE = re.compile(r"\d+") class FTPDownloadHandler: lazy = False - CODE_MAPPING = { + CODE_MAPPING: Dict[str, int] = { "550": 404, "default": 503, } - def __init__(self, settings): + def __init__(self, settings: BaseSettings): self.default_user = settings["FTP_USER"] self.default_password = settings["FTP_PASSWORD"] self.passive_mode = settings["FTP_PASSIVE_MODE"] @@ -87,7 +91,7 @@ class FTPDownloadHandler: def from_crawler(cls, crawler: Crawler) -> Self: return cls(crawler.settings) - def download_request(self, request, spider): + def download_request(self, request: Request, spider: Spider) -> Deferred: from twisted.internet import reactor parsed_url = urlparse_cached(request) @@ -99,10 +103,10 @@ class FTPDownloadHandler: creator = ClientCreator( reactor, FTPClient, user, password, passive=passive_mode ) - dfd = creator.connectTCP(parsed_url.hostname, parsed_url.port or 21) + dfd: Deferred = creator.connectTCP(parsed_url.hostname, parsed_url.port or 21) return dfd.addCallback(self.gotClient, request, unquote(parsed_url.path)) - def gotClient(self, client, request, filepath): + def gotClient(self, client: FTPClient, request: Request, filepath: str) -> Deferred: self.client = client protocol = ReceivedDataProtocol(request.meta.get("ftp_local_filename")) return client.retrieveFile(filepath, protocol).addCallbacks( @@ -112,15 +116,18 @@ class FTPDownloadHandler: errbackArgs=(request,), ) - def _build_response(self, result, request, protocol): + def _build_response( + self, result: Any, request: Request, protocol: ReceivedDataProtocol + ) -> Response: self.result = result protocol.close() headers = {"local filename": protocol.filename or "", "size": protocol.size} body = to_bytes(protocol.filename or protocol.body.read()) respcls = responsetypes.from_args(url=request.url, body=body) - return respcls(url=request.url, status=200, body=body, headers=headers) + # hints for Headers-related types may need to be fixed to not use AnyStr + return respcls(url=request.url, status=200, body=body, headers=headers) # type: ignore[arg-type] - def _failed(self, result, request): + def _failed(self, result: Failure, request: Request) -> Response: message = result.getErrorMessage() if result.type == CommandFailed: m = _CODE_RE.search(message) @@ -130,4 +137,5 @@ class FTPDownloadHandler: return Response( url=request.url, status=httpcode, body=to_bytes(message) ) + assert result.type raise result.type(result.value) From af3e38ab1f3dc7095ae27f572cbde0ea652d7664 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Sat, 4 May 2024 18:09:25 +0500 Subject: [PATCH 163/786] Full typing for scrapy/core/downloader/handlers/http10.py. --- scrapy/core/downloader/handlers/http10.py | 27 +++++++++++++++-------- 1 file changed, 18 insertions(+), 9 deletions(-) diff --git a/scrapy/core/downloader/handlers/http10.py b/scrapy/core/downloader/handlers/http10.py index 2507a4231..9117cb818 100644 --- a/scrapy/core/downloader/handlers/http10.py +++ b/scrapy/core/downloader/handlers/http10.py @@ -3,8 +3,13 @@ from __future__ import annotations -from typing import TYPE_CHECKING +from typing import TYPE_CHECKING, Type +from twisted.internet.defer import Deferred + +from scrapy import Request, Spider +from scrapy.crawler import Crawler +from scrapy.settings import BaseSettings from scrapy.utils.misc import build_from_crawler, load_object from scrapy.utils.python import to_unicode @@ -12,29 +17,33 @@ if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.core.downloader.contextfactory import ScrapyClientContextFactory + from scrapy.core.downloader.webclient import ScrapyHTTPClientFactory class HTTP10DownloadHandler: lazy = False - def __init__(self, settings, crawler): - self.HTTPClientFactory = load_object(settings["DOWNLOADER_HTTPCLIENTFACTORY"]) - self.ClientContextFactory = load_object( + def __init__(self, settings: BaseSettings, crawler: Crawler): + self.HTTPClientFactory: Type[ScrapyHTTPClientFactory] = load_object( + settings["DOWNLOADER_HTTPCLIENTFACTORY"] + ) + self.ClientContextFactory: Type[ScrapyClientContextFactory] = load_object( settings["DOWNLOADER_CLIENTCONTEXTFACTORY"] ) - self._settings = settings - self._crawler = crawler + self._settings: BaseSettings = settings + self._crawler: Crawler = crawler @classmethod - def from_crawler(cls, crawler) -> Self: + def from_crawler(cls, crawler: Crawler) -> Self: return cls(crawler.settings, crawler) - def download_request(self, request, spider): + def download_request(self, request: Request, spider: Spider) -> Deferred: """Return a deferred for the HTTP download""" factory = self.HTTPClientFactory(request) self._connect(factory) return factory.deferred - def _connect(self, factory): + def _connect(self, factory: ScrapyHTTPClientFactory) -> Deferred: from twisted.internet import reactor host, port = to_unicode(factory.host), factory.port From 045387e07faba4a18ecff919457d69938e89b710 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Sat, 4 May 2024 19:56:23 +0500 Subject: [PATCH 164/786] More typing for scrapy/core/downloader/handlers/http11.py. --- scrapy/core/downloader/handlers/http11.py | 286 +++++++++++++--------- scrapy/core/downloader/handlers/s3.py | 5 +- 2 files changed, 169 insertions(+), 122 deletions(-) diff --git a/scrapy/core/downloader/handlers/http11.py b/scrapy/core/downloader/handlers/http11.py index 2e7ea559a..40ae1921a 100644 --- a/scrapy/core/downloader/handlers/http11.py +++ b/scrapy/core/downloader/handlers/http11.py @@ -8,31 +8,33 @@ import re from contextlib import suppress from io import BytesIO from time import time -from typing import TYPE_CHECKING +from typing import TYPE_CHECKING, Any, Dict, List, Optional, Tuple, Union, cast from urllib.parse import urldefrag, urlunparse -from twisted.internet import defer, protocol, ssl +from twisted.internet import ssl +from twisted.internet.base import ReactorBase +from twisted.internet.defer import CancelledError, Deferred, succeed from twisted.internet.endpoints import TCP4ClientEndpoint from twisted.internet.error import TimeoutError +from twisted.internet.interfaces import IConsumer +from twisted.internet.protocol import Factory, Protocol, connectionDone from twisted.python.failure import Failure -from twisted.web.client import ( - URI, - Agent, - HTTPConnectionPool, - ResponseDone, - ResponseFailed, -) +from twisted.web.client import URI, Agent, HTTPConnectionPool +from twisted.web.client import Response as TxResponse +from twisted.web.client import ResponseDone, ResponseFailed from twisted.web.http import PotentialDataLoss, _DataLoss from twisted.web.http_headers import Headers as TxHeaders -from twisted.web.iweb import UNKNOWN_LENGTH, IBodyProducer +from twisted.web.iweb import UNKNOWN_LENGTH, IBodyProducer, IPolicyForHTTPS from zope.interface import implementer from scrapy import Request, Spider, signals from scrapy.core.downloader.contextfactory import load_context_factory_from_settings from scrapy.core.downloader.webclient import _parse +from scrapy.crawler import Crawler from scrapy.exceptions import StopDownload from scrapy.http import Headers, Response from scrapy.responsetypes import responsetypes +from scrapy.settings import BaseSettings from scrapy.utils.python import to_bytes, to_unicode if TYPE_CHECKING: @@ -46,28 +48,30 @@ logger = logging.getLogger(__name__) class HTTP11DownloadHandler: lazy = False - def __init__(self, settings, crawler): + def __init__(self, settings: BaseSettings, crawler: Crawler): self._crawler = crawler from twisted.internet import reactor - self._pool = HTTPConnectionPool(reactor, persistent=True) + self._pool: HTTPConnectionPool = HTTPConnectionPool(reactor, persistent=True) self._pool.maxPersistentPerHost = settings.getint( "CONCURRENT_REQUESTS_PER_DOMAIN" ) self._pool._factory.noisy = False - self._contextFactory = load_context_factory_from_settings(settings, crawler) - self._default_maxsize = settings.getint("DOWNLOAD_MAXSIZE") - self._default_warnsize = settings.getint("DOWNLOAD_WARNSIZE") - self._fail_on_dataloss = settings.getbool("DOWNLOAD_FAIL_ON_DATALOSS") - self._disconnect_timeout = 1 + self._contextFactory: IPolicyForHTTPS = load_context_factory_from_settings( + settings, crawler + ) + self._default_maxsize: int = settings.getint("DOWNLOAD_MAXSIZE") + self._default_warnsize: int = settings.getint("DOWNLOAD_WARNSIZE") + self._fail_on_dataloss: bool = settings.getbool("DOWNLOAD_FAIL_ON_DATALOSS") + self._disconnect_timeout: int = 1 @classmethod - def from_crawler(cls, crawler) -> Self: + def from_crawler(cls, crawler: Crawler) -> Self: return cls(crawler.settings, crawler) - def download_request(self, request: Request, spider: Spider) -> Response: + def download_request(self, request: Request, spider: Spider) -> Deferred: """Return a deferred for the HTTP download""" agent = ScrapyAgent( contextFactory=self._contextFactory, @@ -79,10 +83,10 @@ class HTTP11DownloadHandler: ) return agent.download_request(request) - def close(self): + def close(self) -> Deferred: from twisted.internet import reactor - d = self._pool.closeCachedConnections() + d: Deferred = self._pool.closeCachedConnections() # closeCachedConnections will hang on network or server issues, so # we'll manually timeout the deferred. # @@ -93,7 +97,7 @@ class HTTP11DownloadHandler: # issue a callback after `_disconnect_timeout` seconds. delayed_call = reactor.callLater(self._disconnect_timeout, d.callback, []) - def cancel_delayed_call(result): + def cancel_delayed_call(result: Any) -> Any: if delayed_call.active(): delayed_call.cancel() return result @@ -123,39 +127,41 @@ class TunnelingTCP4ClientEndpoint(TCP4ClientEndpoint): def __init__( self, - reactor, - host, - port, - proxyConf, - contextFactory, - timeout=30, - bindAddress=None, + reactor: ReactorBase, + host: str, + port: int, + proxyConf: Tuple[str, int, Optional[bytes]], + contextFactory: IPolicyForHTTPS, + timeout: float = 30, + bindAddress: Optional[Tuple[str, int]] = None, ): proxyHost, proxyPort, self._proxyAuthHeader = proxyConf super().__init__(reactor, proxyHost, proxyPort, timeout, bindAddress) - self._tunnelReadyDeferred = defer.Deferred() - self._tunneledHost = host - self._tunneledPort = port - self._contextFactory = contextFactory - self._connectBuffer = bytearray() + self._tunnelReadyDeferred: Deferred = Deferred() + self._tunneledHost: str = host + self._tunneledPort: int = port + self._contextFactory: IPolicyForHTTPS = contextFactory + self._connectBuffer: bytearray = bytearray() - def requestTunnel(self, protocol): + def requestTunnel(self, protocol: Protocol) -> Protocol: """Asks the proxy to open a tunnel.""" + assert protocol.transport tunnelReq = tunnel_request_data( self._tunneledHost, self._tunneledPort, self._proxyAuthHeader ) protocol.transport.write(tunnelReq) self._protocolDataReceived = protocol.dataReceived - protocol.dataReceived = self.processProxyResponse + protocol.dataReceived = self.processProxyResponse # type: ignore[method-assign] self._protocol = protocol return protocol - def processProxyResponse(self, rcvd_bytes): + def processProxyResponse(self, data: bytes) -> None: """Processes the response from the proxy. If the tunnel is successfully created, notifies the client that we are ready to send requests. If not raises a TunnelError. """ - self._connectBuffer += rcvd_bytes + assert self._protocol.transport + self._connectBuffer += data # make sure that enough (all) bytes are consumed # and that we've got all HTTP headers (ending with a blank line) # from the proxy so that we don't send those bytes to the TLS layer @@ -163,23 +169,24 @@ class TunnelingTCP4ClientEndpoint(TCP4ClientEndpoint): # see https://github.com/scrapy/scrapy/issues/2491 if b"\r\n\r\n" not in self._connectBuffer: return - self._protocol.dataReceived = self._protocolDataReceived + self._protocol.dataReceived = self._protocolDataReceived # type: ignore[method-assign] respm = TunnelingTCP4ClientEndpoint._responseMatcher.match(self._connectBuffer) if respm and int(respm.group("status")) == 200: # set proper Server Name Indication extension - sslOptions = self._contextFactory.creatorForNetloc( + sslOptions = self._contextFactory.creatorForNetloc( # type: ignore[call-arg,misc] self._tunneledHost, self._tunneledPort ) self._protocol.transport.startTLS(sslOptions, self._protocolFactory) self._tunnelReadyDeferred.callback(self._protocol) else: + extra: Any if respm: extra = { "status": int(respm.group("status")), "reason": respm.group("reason").strip(), } else: - extra = rcvd_bytes[: self._truncatedLength] + extra = data[: self._truncatedLength] self._tunnelReadyDeferred.errback( TunnelError( "Could not open CONNECT tunnel with proxy " @@ -187,11 +194,11 @@ class TunnelingTCP4ClientEndpoint(TCP4ClientEndpoint): ) ) - def connectFailed(self, reason): + def connectFailed(self, reason: Failure) -> None: """Propagates the errback to the appropriate deferred.""" self._tunnelReadyDeferred.errback(reason) - def connect(self, protocolFactory): + def connect(self, protocolFactory: Factory) -> Deferred: self._protocolFactory = protocolFactory connectDeferred = super().connect(protocolFactory) connectDeferred.addCallback(self.requestTunnel) @@ -199,7 +206,9 @@ class TunnelingTCP4ClientEndpoint(TCP4ClientEndpoint): return self._tunnelReadyDeferred -def tunnel_request_data(host, port, proxy_auth_header=None): +def tunnel_request_data( + host: str, port: int, proxy_auth_header: Optional[bytes] = None +) -> bytes: r""" Return binary content of a CONNECT request. @@ -230,18 +239,20 @@ class TunnelingAgent(Agent): def __init__( self, - reactor, - proxyConf, - contextFactory=None, - connectTimeout=None, - bindAddress=None, - pool=None, + reactor: ReactorBase, + proxyConf: Tuple[str, int, Optional[bytes]], + contextFactory: Optional[IPolicyForHTTPS] = None, + connectTimeout: Optional[float] = None, + bindAddress: Optional[bytes] = None, + pool: Optional[HTTPConnectionPool] = None, ): + # TODO make this arg required instead + assert contextFactory is not None super().__init__(reactor, contextFactory, connectTimeout, bindAddress, pool) - self._proxyConf = proxyConf - self._contextFactory = contextFactory + self._proxyConf: Tuple[str, int, Optional[bytes]] = proxyConf + self._contextFactory: IPolicyForHTTPS = contextFactory - def _getEndpoint(self, uri): + def _getEndpoint(self, uri: URI) -> TunnelingTCP4ClientEndpoint: return TunnelingTCP4ClientEndpoint( reactor=self._reactor, host=uri.host, @@ -253,8 +264,15 @@ class TunnelingAgent(Agent): ) def _requestWithEndpoint( - self, key, endpoint, method, parsedURI, headers, bodyProducer, requestPath - ): + self, + key: Any, + endpoint: TCP4ClientEndpoint, + method: bytes, + parsedURI: bytes, + headers: Optional[TxHeaders], + bodyProducer: Optional[IBodyProducer], + requestPath: bytes, + ) -> Deferred: # proxy host and port are required for HTTP pool `key` # otherwise, same remote host connection request could reuse # a cached tunneled connection to a different proxy @@ -272,7 +290,12 @@ class TunnelingAgent(Agent): class ScrapyProxyAgent(Agent): def __init__( - self, reactor, proxyURI, connectTimeout=None, bindAddress=None, pool=None + self, + reactor: ReactorBase, + proxyURI: bytes, + connectTimeout: Optional[float] = None, + bindAddress: Optional[bytes] = None, + pool: Optional[HTTPConnectionPool] = None, ): super().__init__( reactor=reactor, @@ -280,9 +303,15 @@ class ScrapyProxyAgent(Agent): bindAddress=bindAddress, pool=pool, ) - self._proxyURI = URI.fromBytes(proxyURI) + self._proxyURI: URI = URI.fromBytes(proxyURI) - def request(self, method, uri, headers=None, bodyProducer=None): + def request( + self, + method: bytes, + uri: bytes, + headers: Optional[TxHeaders] = None, + bodyProducer: Optional[IBodyProducer] = None, + ) -> Deferred: """ Issue a new request via the configured proxy. """ @@ -306,26 +335,29 @@ class ScrapyAgent: def __init__( self, - contextFactory=None, - connectTimeout=10, - bindAddress=None, - pool=None, - maxsize=0, - warnsize=0, - fail_on_dataloss=True, - crawler=None, + contextFactory: Optional[IPolicyForHTTPS] = None, + connectTimeout: float = 10, + bindAddress: Optional[bytes] = None, + pool: Optional[HTTPConnectionPool] = None, + maxsize: int = 0, + warnsize: int = 0, + fail_on_dataloss: bool = True, + crawler: Optional[Crawler] = None, ): - self._contextFactory = contextFactory - self._connectTimeout = connectTimeout - self._bindAddress = bindAddress - self._pool = pool - self._maxsize = maxsize - self._warnsize = warnsize - self._fail_on_dataloss = fail_on_dataloss - self._txresponse = None - self._crawler = crawler + # TODO make these args required instead + assert contextFactory is not None + assert crawler is not None + self._contextFactory: IPolicyForHTTPS = contextFactory + self._connectTimeout: float = connectTimeout + self._bindAddress: Optional[bytes] = bindAddress + self._pool: Optional[HTTPConnectionPool] = pool + self._maxsize: int = maxsize + self._warnsize: int = warnsize + self._fail_on_dataloss: bool = fail_on_dataloss + self._txresponse: Optional[TxResponse] = None + self._crawler: Crawler = crawler - def _get_agent(self, request, timeout): + def _get_agent(self, request: Request, timeout: float) -> Agent: from twisted.internet import reactor bindaddress = request.meta.get("bindaddress") or self._bindAddress @@ -333,10 +365,10 @@ class ScrapyAgent: if proxy: proxyScheme, proxyNetloc, proxyHost, proxyPort, proxyParams = _parse(proxy) scheme = _parse(request.url)[0] - proxyHost = to_unicode(proxyHost) + proxyHost_str = to_unicode(proxyHost) if scheme == b"https": proxyAuth = request.headers.get(b"Proxy-Authorization", None) - proxyConf = (proxyHost, proxyPort, proxyAuth) + proxyConf = (proxyHost_str, proxyPort, proxyAuth) return self._TunnelingAgent( reactor=reactor, proxyConf=proxyConf, @@ -346,7 +378,9 @@ class ScrapyAgent: pool=self._pool, ) proxyScheme = proxyScheme or b"http" - proxyURI = urlunparse((proxyScheme, proxyNetloc, proxyParams, "", "", "")) + proxyURI = urlunparse( + (proxyScheme, proxyNetloc, proxyParams, b"", b"", b"") + ) return self._ProxyAgent( reactor=reactor, proxyURI=to_bytes(proxyURI, encoding="ascii"), @@ -363,7 +397,7 @@ class ScrapyAgent: pool=self._pool, ) - def download_request(self, request): + def download_request(self, request: Request) -> Deferred: from twisted.internet import reactor timeout = request.meta.get("download_timeout") or self._connectTimeout @@ -380,7 +414,7 @@ class ScrapyAgent: else: bodyproducer = None start_time = time() - d = agent.request( + d: Deferred = agent.request( method, to_bytes(url, encoding="ascii"), headers, bodyproducer ) # set download latency @@ -393,7 +427,9 @@ class ScrapyAgent: d.addBoth(self._cb_timeout, request, url, timeout) return d - def _cb_timeout(self, result, request, url, timeout): + def _cb_timeout( + self, result: Any, request: Request, url: str, timeout: float + ) -> Any: if self._timeout_cl.active(): self._timeout_cl.cancel() return result @@ -404,19 +440,21 @@ class ScrapyAgent: raise TimeoutError(f"Getting {url} took longer than {timeout} seconds.") - def _cb_latency(self, result, request, start_time): + def _cb_latency(self, result: Any, request: Request, start_time: float) -> Any: request.meta["download_latency"] = time() - start_time return result @staticmethod - def _headers_from_twisted_response(response): + def _headers_from_twisted_response(response: TxResponse) -> Headers: headers = Headers() if response.length != UNKNOWN_LENGTH: headers[b"Content-Length"] = str(response.length).encode() headers.update(response.headers.getAllRawHeaders()) return headers - def _cb_bodyready(self, txresponse, request): + def _cb_bodyready( + self, txresponse: TxResponse, request: Request + ) -> Union[Dict[str, Any], Deferred]: headers_received_result = self._crawler.signals.send_catch_log( signal=signals.headers_received, headers=self._headers_from_twisted_response(txresponse), @@ -472,7 +510,7 @@ class ScrapyAgent: logger.warning(warning_msg, warning_args) txresponse._transport.loseConnection() - raise defer.CancelledError(warning_msg % warning_args) + raise CancelledError(warning_msg % warning_args) if warnsize and expected_size > warnsize: logger.warning( @@ -481,11 +519,11 @@ class ScrapyAgent: {"size": expected_size, "warnsize": warnsize, "request": request}, ) - def _cancel(_): + def _cancel(_: Any) -> None: # Abort connection immediately. txresponse._transport._producer.abortConnection() - d = defer.Deferred(_cancel) + d: Deferred = Deferred(_cancel) txresponse.deliverBody( _ResponseReader( finished=d, @@ -503,7 +541,9 @@ class ScrapyAgent: return d - def _cb_bodydone(self, result, request, url): + def _cb_bodydone( + self, result: Dict[str, Any], request: Request, url: str + ) -> Union[Response, Failure]: headers = self._headers_from_twisted_response(result["txresponse"]) respcls = responsetypes.from_args(headers=headers, url=url, body=result["body"]) try: @@ -523,53 +563,57 @@ class ScrapyAgent: ) if result.get("failure"): result["failure"].value.response = response - return result["failure"] + return cast(Failure, result["failure"]) return response @implementer(IBodyProducer) class _RequestBodyProducer: - def __init__(self, body): + def __init__(self, body: bytes): self.body = body self.length = len(body) - def startProducing(self, consumer): + def startProducing(self, consumer: IConsumer) -> Deferred: consumer.write(self.body) - return defer.succeed(None) + return succeed(None) - def pauseProducing(self): + def pauseProducing(self) -> None: pass - def stopProducing(self): + def stopProducing(self) -> None: pass -class _ResponseReader(protocol.Protocol): +class _ResponseReader(Protocol): def __init__( self, - finished, - txresponse, - request, - maxsize, - warnsize, - fail_on_dataloss, - crawler, + finished: Deferred, + txresponse: TxResponse, + request: Request, + maxsize: int, + warnsize: int, + fail_on_dataloss: bool, + crawler: Crawler, ): - self._finished = finished - self._txresponse = txresponse - self._request = request - self._bodybuf = BytesIO() - self._maxsize = maxsize - self._warnsize = warnsize - self._fail_on_dataloss = fail_on_dataloss - self._fail_on_dataloss_warned = False - self._reached_warnsize = False - self._bytes_received = 0 - self._certificate = None - self._ip_address = None - self._crawler = crawler + self._finished: Deferred = finished + self._txresponse: TxResponse = txresponse + self._request: Request = request + self._bodybuf: BytesIO = BytesIO() + self._maxsize: int = maxsize + self._warnsize: int = warnsize + self._fail_on_dataloss: bool = fail_on_dataloss + self._fail_on_dataloss_warned: bool = False + self._reached_warnsize: bool = False + self._bytes_received: int = 0 + self._certificate: Optional[ssl.Certificate] = None + self._ip_address: Union[ipaddress.IPv4Address, ipaddress.IPv6Address, None] = ( + None + ) + self._crawler: Crawler = crawler - def _finish_response(self, flags=None, failure=None): + def _finish_response( + self, flags: Optional[List[str]] = None, failure: Optional[Failure] = None + ) -> None: self._finished.callback( { "txresponse": self._txresponse, @@ -581,7 +625,8 @@ class _ResponseReader(protocol.Protocol): } ) - def connectionMade(self): + def connectionMade(self) -> None: + assert self.transport if self._certificate is None: with suppress(AttributeError): self._certificate = ssl.Certificate( @@ -593,11 +638,12 @@ class _ResponseReader(protocol.Protocol): self.transport._producer.getPeer().host ) - def dataReceived(self, bodyBytes): + def dataReceived(self, bodyBytes: bytes) -> None: # This maybe called several times after cancel was called with buffered data. if self._finished.called: return + assert self.transport self._bodybuf.write(bodyBytes) self._bytes_received += len(bodyBytes) @@ -644,7 +690,7 @@ class _ResponseReader(protocol.Protocol): {"warnsize": self._warnsize, "request": self._request}, ) - def connectionLost(self, reason): + def connectionLost(self, reason: Failure = connectionDone) -> None: if self._finished.called: return diff --git a/scrapy/core/downloader/handlers/s3.py b/scrapy/core/downloader/handlers/s3.py index c88dd2cdc..9a0811a50 100644 --- a/scrapy/core/downloader/handlers/s3.py +++ b/scrapy/core/downloader/handlers/s3.py @@ -2,11 +2,12 @@ from __future__ import annotations from typing import TYPE_CHECKING, Any, Optional, Type +from twisted.internet.defer import Deferred + from scrapy import Request, Spider from scrapy.core.downloader.handlers.http import HTTPDownloadHandler from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured -from scrapy.http import Response from scrapy.settings import BaseSettings from scrapy.utils.boto import is_botocore_available from scrapy.utils.httpobj import urlparse_cached @@ -74,7 +75,7 @@ class S3DownloadHandler: def from_crawler(cls, crawler: Crawler, **kwargs: Any) -> Self: return cls(crawler.settings, crawler=crawler, **kwargs) - def download_request(self, request: Request, spider: Spider) -> Response: + def download_request(self, request: Request, spider: Spider) -> Deferred: p = urlparse_cached(request) scheme = "https" if request.meta.get("is_secure") else "http" bucket = p.hostname From a828da98c3834ae70a1258278890485803ac7a5c Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 6 May 2024 22:34:36 +0500 Subject: [PATCH 165/786] Re-run pre-commit. --- scrapy/core/downloader/handlers/http10.py | 1 + 1 file changed, 1 insertion(+) diff --git a/scrapy/core/downloader/handlers/http10.py b/scrapy/core/downloader/handlers/http10.py index 9117cb818..da9559525 100644 --- a/scrapy/core/downloader/handlers/http10.py +++ b/scrapy/core/downloader/handlers/http10.py @@ -20,6 +20,7 @@ if TYPE_CHECKING: from scrapy.core.downloader.contextfactory import ScrapyClientContextFactory from scrapy.core.downloader.webclient import ScrapyHTTPClientFactory + class HTTP10DownloadHandler: lazy = False From 6bbfb537f9f1ba5dd1c51fc860022adb1d326117 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 8 May 2024 00:39:05 +0500 Subject: [PATCH 166/786] Update MANIFEST.in. --- MANIFEST.in | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/MANIFEST.in b/MANIFEST.in index 4920dc0c3..06971e39c 100644 --- a/MANIFEST.in +++ b/MANIFEST.in @@ -1,9 +1,8 @@ -include README.rst -include AUTHORS -include INSTALL -include LICENSE -include MANIFEST.in +include CODE_OF_CONDUCT.md +include CONTRIBUTING.md +include INSTALL.md include NEWS +include SECURITY.md include scrapy/VERSION include scrapy/mime.types @@ -12,16 +11,13 @@ include scrapy/py.typed include codecov.yml include conftest.py include pytest.ini -include requirements-*.txt include tox.ini recursive-include scrapy/templates * -recursive-include scrapy license.txt recursive-include docs * prune docs/build recursive-include extras * -recursive-include bin * recursive-include tests * global-exclude __pycache__ *.py[cod] From 180bc9bad7aceb3a9e10c1411212914bc32fb721 Mon Sep 17 00:00:00 2001 From: aisha-partha <153170327+aisha-partha@users.noreply.github.com> Date: Wed, 8 May 2024 22:06:46 +0530 Subject: [PATCH 167/786] =?UTF-8?q?Closes=20#6342.=20Setting=20METAREFRESH?= =?UTF-8?q?=5FIGNORE=5FTAGS=20to=20[=E2=80=98noscript=E2=80=99]=20by=20def?= =?UTF-8?q?ault?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- docs/topics/downloader-middleware.rst | 4 ++-- scrapy/settings/default_settings.py | 2 +- tests/test_downloadermiddleware_redirect.py | 5 ++--- 3 files changed, 5 insertions(+), 6 deletions(-) diff --git a/docs/topics/downloader-middleware.rst b/docs/topics/downloader-middleware.rst index 1abbc4968..3f90cf2ed 100644 --- a/docs/topics/downloader-middleware.rst +++ b/docs/topics/downloader-middleware.rst @@ -876,13 +876,13 @@ Whether the Meta Refresh middleware will be enabled. METAREFRESH_IGNORE_TAGS ^^^^^^^^^^^^^^^^^^^^^^^ -Default: ``[]`` +Default: ``['noscript']`` Meta tags within these tags are ignored. .. versionchanged:: 2.0 The default value of :setting:`METAREFRESH_IGNORE_TAGS` changed from - ``['script', 'noscript']`` to ``[]``. + ``[]`` to ``['noscript']``. .. setting:: METAREFRESH_MAXDELAY diff --git a/scrapy/settings/default_settings.py b/scrapy/settings/default_settings.py index 2b3d95a0e..d7ac7ec35 100644 --- a/scrapy/settings/default_settings.py +++ b/scrapy/settings/default_settings.py @@ -239,7 +239,7 @@ MEMUSAGE_NOTIFY_MAIL = [] MEMUSAGE_WARNING_MB = 0 METAREFRESH_ENABLED = True -METAREFRESH_IGNORE_TAGS = [] +METAREFRESH_IGNORE_TAGS = ["noscript"] METAREFRESH_MAXDELAY = 100 NEWSPIDER_MODULE = "" diff --git a/tests/test_downloadermiddleware_redirect.py b/tests/test_downloadermiddleware_redirect.py index 10b8ca9af..83ff25982 100644 --- a/tests/test_downloadermiddleware_redirect.py +++ b/tests/test_downloadermiddleware_redirect.py @@ -395,9 +395,8 @@ class MetaRefreshMiddlewareTest(unittest.TestCase): """content="0;URL='http://example.org/newpage'">""" ) rsp = HtmlResponse(req.url, body=body.encode()) - req2 = self.mw.process_response(req, rsp, self.spider) - assert isinstance(req2, Request) - self.assertEqual(req2.url, "http://example.org/newpage") + response = self.mw.process_response(req, rsp, self.spider) + assert isinstance(response, Response) def test_ignore_tags_1_x_list(self): """Test that Scrapy 1.x behavior remains possible""" From 3590a1f66b30edfc836b95bbd0a3611eee9371e2 Mon Sep 17 00:00:00 2001 From: aisha-partha <153170327+aisha-partha@users.noreply.github.com> Date: Wed, 8 May 2024 23:23:17 +0530 Subject: [PATCH 168/786] Closes #6342. Update documentation on METAREFRESH_IGNORE_TAGS default value change --- docs/topics/downloader-middleware.rst | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/docs/topics/downloader-middleware.rst b/docs/topics/downloader-middleware.rst index 3f90cf2ed..2663a3cf3 100644 --- a/docs/topics/downloader-middleware.rst +++ b/docs/topics/downloader-middleware.rst @@ -881,6 +881,10 @@ Default: ``['noscript']`` Meta tags within these tags are ignored. .. versionchanged:: 2.0 + The default value of :setting:`METAREFRESH_IGNORE_TAGS` changed from + ``['script', 'noscript']`` to ``[]``. + +.. versionchanges:: VERSION The default value of :setting:`METAREFRESH_IGNORE_TAGS` changed from ``[]`` to ``['noscript']``. From 2e13a9b8e19ae1c0f595435d7d3ce096c3b29ced Mon Sep 17 00:00:00 2001 From: aisha-partha <153170327+aisha-partha@users.noreply.github.com> Date: Wed, 8 May 2024 23:33:13 +0530 Subject: [PATCH 169/786] Update METAREFRESH_IGNORE_TAGS default value in documentation --- docs/topics/downloader-middleware.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/topics/downloader-middleware.rst b/docs/topics/downloader-middleware.rst index 2663a3cf3..01bde772c 100644 --- a/docs/topics/downloader-middleware.rst +++ b/docs/topics/downloader-middleware.rst @@ -876,7 +876,7 @@ Whether the Meta Refresh middleware will be enabled. METAREFRESH_IGNORE_TAGS ^^^^^^^^^^^^^^^^^^^^^^^ -Default: ``['noscript']`` +Default: ``[]`` Meta tags within these tags are ignored. From fe163d98ea81b4aff82bb9b194c4b0268c44f1db Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 8 May 2024 20:41:20 +0200 Subject: [PATCH 170/786] Fix typo --- docs/topics/downloader-middleware.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/topics/downloader-middleware.rst b/docs/topics/downloader-middleware.rst index 01bde772c..d4cd062fe 100644 --- a/docs/topics/downloader-middleware.rst +++ b/docs/topics/downloader-middleware.rst @@ -884,7 +884,7 @@ Meta tags within these tags are ignored. The default value of :setting:`METAREFRESH_IGNORE_TAGS` changed from ``['script', 'noscript']`` to ``[]``. -.. versionchanges:: VERSION +.. versionchanged:: VERSION The default value of :setting:`METAREFRESH_IGNORE_TAGS` changed from ``[]`` to ``['noscript']``. From ae7bb849f50af0b91eea4f022d93ad201e545c06 Mon Sep 17 00:00:00 2001 From: Sanchay Kumar <51812506+kumar-sanchay@users.noreply.github.com> Date: Fri, 10 May 2024 15:13:49 +0530 Subject: [PATCH 171/786] Make certain args of ScrapyAgent and TunnelingAgent required (#6349) --- scrapy/core/downloader/handlers/http11.py | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/scrapy/core/downloader/handlers/http11.py b/scrapy/core/downloader/handlers/http11.py index 40ae1921a..5e84be6ba 100644 --- a/scrapy/core/downloader/handlers/http11.py +++ b/scrapy/core/downloader/handlers/http11.py @@ -239,15 +239,14 @@ class TunnelingAgent(Agent): def __init__( self, + *, reactor: ReactorBase, proxyConf: Tuple[str, int, Optional[bytes]], - contextFactory: Optional[IPolicyForHTTPS] = None, + contextFactory: IPolicyForHTTPS, connectTimeout: Optional[float] = None, bindAddress: Optional[bytes] = None, pool: Optional[HTTPConnectionPool] = None, ): - # TODO make this arg required instead - assert contextFactory is not None super().__init__(reactor, contextFactory, connectTimeout, bindAddress, pool) self._proxyConf: Tuple[str, int, Optional[bytes]] = proxyConf self._contextFactory: IPolicyForHTTPS = contextFactory @@ -335,18 +334,16 @@ class ScrapyAgent: def __init__( self, - contextFactory: Optional[IPolicyForHTTPS] = None, + *, + contextFactory: IPolicyForHTTPS, connectTimeout: float = 10, bindAddress: Optional[bytes] = None, pool: Optional[HTTPConnectionPool] = None, maxsize: int = 0, warnsize: int = 0, fail_on_dataloss: bool = True, - crawler: Optional[Crawler] = None, + crawler: Crawler, ): - # TODO make these args required instead - assert contextFactory is not None - assert crawler is not None self._contextFactory: IPolicyForHTTPS = contextFactory self._connectTimeout: float = connectTimeout self._bindAddress: Optional[bytes] = bindAddress From c9ef5209365bb820ba8f2a3cd9df9fdeca0c9591 Mon Sep 17 00:00:00 2001 From: Sanchay Kumar <51812506+kumar-sanchay@users.noreply.github.com> Date: Fri, 10 May 2024 17:56:45 +0530 Subject: [PATCH 172/786] Add Downloader.get_slot_key() without a spider parameter (#6352) --- docs/news.rst | 14 ++++++++++++++ scrapy/core/downloader/__init__.py | 14 ++++++++++++-- scrapy/pqueues.py | 2 +- tests/test_scheduler.py | 6 +++--- 4 files changed, 30 insertions(+), 6 deletions(-) diff --git a/docs/news.rst b/docs/news.rst index fafea0bf8..7db4e59a1 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -3,6 +3,20 @@ Release notes ============= + +.. _release-VERSION: + +Scrapy VERSION (YYYY-MM-DD) +--------------------------- + +Deprecations +~~~~~~~~~~~~ + +- :func:`scrapy.core.downloader.Downloader._get_slot_key` is now deprecated. + Consider using its corresponding public method get_slot_key() instead. + (:issue:`6340`) + + .. _release-2.11.1: Scrapy 2.11.1 (2024-02-14) diff --git a/scrapy/core/downloader/__init__.py b/scrapy/core/downloader/__init__.py index 98e1af6fb..0ab3bdb77 100644 --- a/scrapy/core/downloader/__init__.py +++ b/scrapy/core/downloader/__init__.py @@ -1,4 +1,5 @@ import random +import warnings from collections import deque from datetime import datetime from time import time @@ -10,6 +11,7 @@ from twisted.internet.defer import Deferred from scrapy import Request, Spider, signals from scrapy.core.downloader.handlers import DownloadHandlers from scrapy.core.downloader.middleware import DownloaderMiddlewareManager +from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.http import Response from scrapy.resolver import dnscache from scrapy.settings import BaseSettings @@ -125,7 +127,7 @@ class Downloader: return len(self.active) >= self.total_concurrency def _get_slot(self, request: Request, spider: Spider) -> Tuple[str, Slot]: - key = self._get_slot_key(request, spider) + key = self.get_slot_key(request) if key not in self.slots: slot_settings = self.per_slot_settings.get(key, {}) conc = ( @@ -143,7 +145,7 @@ class Downloader: return key, self.slots[key] - def _get_slot_key(self, request: Request, spider: Optional[Spider]) -> str: + def get_slot_key(self, request: Request) -> str: if self.DOWNLOAD_SLOT in request.meta: return cast(str, request.meta[self.DOWNLOAD_SLOT]) @@ -153,6 +155,14 @@ class Downloader: return key + def _get_slot_key(self, request: Request, spider: Optional[Spider]) -> str: + warnings.warn( + "Use of this protected method is deprecated. Consider using its corresponding public method get_slot_key() instead.", + ScrapyDeprecationWarning, + stacklevel=2, + ) + return self.get_slot_key(request) + def _enqueue_request(self, request: Request, spider: Spider) -> Deferred: key, slot = self._get_slot(request, spider) request.meta[self.DOWNLOAD_SLOT] = key diff --git a/scrapy/pqueues.py b/scrapy/pqueues.py index 773825c5e..58a47ef0f 100644 --- a/scrapy/pqueues.py +++ b/scrapy/pqueues.py @@ -180,7 +180,7 @@ class DownloaderInterface: return [(self._active_downloads(slot), slot) for slot in possible_slots] def get_slot_key(self, request: Request) -> str: - return self.downloader._get_slot_key(request, None) + return self.downloader.get_slot_key(request) def _active_downloads(self, slot: str) -> int: """Return a number of requests in a Downloader for a given slot""" diff --git a/tests/test_scheduler.py b/tests/test_scheduler.py index 37099dae6..02b50baa3 100644 --- a/tests/test_scheduler.py +++ b/tests/test_scheduler.py @@ -25,7 +25,7 @@ class MockDownloader: def __init__(self): self.slots = {} - def _get_slot_key(self, request, spider): + def get_slot_key(self, request): if Downloader.DOWNLOAD_SLOT in request.meta: return request.meta[Downloader.DOWNLOAD_SLOT] @@ -273,14 +273,14 @@ class DownloaderAwareSchedulerTestMixin: while self.scheduler.has_pending_requests(): request = self.scheduler.next_request() # pylint: disable=protected-access - slot = downloader._get_slot_key(request, None) + slot = downloader.get_slot_key(request) dequeued_slots.append(slot) downloader.increment(slot) requests.append(request) for request in requests: # pylint: disable=protected-access - slot = downloader._get_slot_key(request, None) + slot = downloader.get_slot_key(request) downloader.decrement(slot) self.assertTrue( From 93f06285309bd46e96fd147bf41e564c94b5bf2b Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 13 May 2024 13:55:45 +0400 Subject: [PATCH 173/786] Improve typing for Spider.parse(). (#6274) --- .github/workflows/checks.yml | 3 ++ scrapy/commands/bench.py | 2 +- scrapy/spiders/__init__.py | 19 +++++-- tests_typing/test_spiders.mypy-testing | 68 ++++++++++++++++++++++++++ tox.ini | 9 ++++ 5 files changed, 95 insertions(+), 6 deletions(-) create mode 100644 tests_typing/test_spiders.mypy-testing diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml index d6fc0f6c5..ed1629b67 100644 --- a/.github/workflows/checks.yml +++ b/.github/workflows/checks.yml @@ -18,6 +18,9 @@ jobs: - python-version: 3.8 env: TOXENV: typing + - python-version: 3.8 + env: + TOXENV: typing-tests - python-version: "3.11" # Keep in sync with .readthedocs.yml env: TOXENV: docs diff --git a/scrapy/commands/bench.py b/scrapy/commands/bench.py index 7523f3cfe..0c4ebcd23 100644 --- a/scrapy/commands/bench.py +++ b/scrapy/commands/bench.py @@ -60,7 +60,7 @@ class _BenchSpider(scrapy.Spider): url = f"{self.baseurl}?{urlencode(qargs, doseq=True)}" return [scrapy.Request(url, dont_filter=True)] - def parse(self, response: Response) -> Any: # type: ignore[override] + def parse(self, response: Response) -> Any: assert isinstance(Response, TextResponse) for link in self.link_extractor.extract_links(response): yield scrapy.Request(link.url, callback=self.parse) diff --git a/scrapy/spiders/__init__.py b/scrapy/spiders/__init__.py index 72c2aaba7..2416d2a4d 100644 --- a/scrapy/spiders/__init__.py +++ b/scrapy/spiders/__init__.py @@ -17,12 +17,17 @@ from scrapy.utils.trackref import object_ref from scrapy.utils.url import url_is_from_spider if TYPE_CHECKING: + from collections.abc import Callable + + # typing.Concatenate requires Python 3.10 # typing.Self requires Python 3.11 - from typing_extensions import Self + from typing_extensions import Concatenate, Self from scrapy.crawler import Crawler from scrapy.settings import BaseSettings + CallbackT = Callable[Concatenate[Response, ...], Any] + class Spider(object_ref): """Base class for scrapy spiders. All spiders must inherit from this @@ -79,10 +84,14 @@ class Spider(object_ref): def _parse(self, response: Response, **kwargs: Any) -> Any: return self.parse(response, **kwargs) - def parse(self, response: Response, **kwargs: Any) -> Any: - raise NotImplementedError( - f"{self.__class__.__name__}.parse callback is not defined" - ) + if TYPE_CHECKING: + parse: CallbackT + else: + + def parse(self, response: Response, **kwargs: Any) -> Any: + raise NotImplementedError( + f"{self.__class__.__name__}.parse callback is not defined" + ) @classmethod def update_settings(cls, settings: BaseSettings) -> None: diff --git a/tests_typing/test_spiders.mypy-testing b/tests_typing/test_spiders.mypy-testing new file mode 100644 index 000000000..162e31d0c --- /dev/null +++ b/tests_typing/test_spiders.mypy-testing @@ -0,0 +1,68 @@ +from typing import Any + +import pytest + +from scrapy.http import HtmlResponse, Response +from scrapy.spiders import Spider + + +class SimpleSpider(Spider): + pass + + +class SameOverrideSpider(Spider): + def parse(self, response: Response, **kwargs: Any) -> Any: + pass + + +class NoKwargsSpider(Spider): + def parse(self, response: Response) -> Any: + pass + + +class SpecificKwargsSpider(Spider): + def parse(self, response: Response, page: int) -> Any: + pass + + +class NarrowOverrideSpider(Spider): + # without type: ignore this produces several note lines in addition to an error line, + # which is unsupported by pytest-mypy-testing + def parse(self, response: HtmlResponse, **kwargs: Any) -> Any: # type: ignore[override] + pass + + +@pytest.mark.mypy_testing +def test_spider_parse() -> None: + spider = Spider() + reveal_type(spider.parse) # R: def (scrapy.http.response.Response, *Any, **Any) -> Any + + +@pytest.mark.mypy_testing +def test_spider_parse_override_simple() -> None: + spider = SimpleSpider() + reveal_type(spider.parse) # R: def (scrapy.http.response.Response, *Any, **Any) -> Any + + +@pytest.mark.mypy_testing +def test_spider_parse_override_same() -> None: + spider = SameOverrideSpider() + reveal_type(spider.parse) # R: def (response: scrapy.http.response.Response, **kwargs: Any) -> Any + + +@pytest.mark.mypy_testing +def test_spider_parse_override_no_kwargs() -> None: + spider = NoKwargsSpider() + reveal_type(spider.parse) # R: def (response: scrapy.http.response.Response) -> Any + + +@pytest.mark.mypy_testing +def test_spider_parse_override_specific_kwargs() -> None: + spider = SpecificKwargsSpider() + reveal_type(spider.parse) # R: def (response: scrapy.http.response.Response, page: builtins.int) -> Any + + +@pytest.mark.mypy_testing +def test_spider_parse_override_narrow() -> None: + spider = NarrowOverrideSpider() + reveal_type(spider.parse) # R: def (response: scrapy.http.response.html.HtmlResponse, **kwargs: Any) -> Any diff --git a/tox.ini b/tox.ini index d7527bb04..ede139756 100644 --- a/tox.ini +++ b/tox.ini @@ -56,6 +56,15 @@ deps = commands = mypy {posargs: scrapy tests} +[testenv:typing-tests] +basepython = python3.8 +deps = + {[test-requirements]deps} + {[testenv:typing]deps} + pytest-mypy-testing==0.1.3 +commands = + pytest {posargs: tests_typing} + [testenv:pre-commit] basepython = python3 deps = From 4ed5c5ae91318768efa338680df67337ed0f67fd Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 13 May 2024 14:01:52 +0400 Subject: [PATCH 174/786] Use ParamSpec for callables. (#6353) --- scrapy/cmdline.py | 15 ++- scrapy/core/downloader/handlers/ftp.py | 10 +- scrapy/core/engine.py | 2 +- scrapy/core/scraper.py | 10 +- scrapy/core/spidermw.py | 6 +- scrapy/mail.py | 8 +- scrapy/pipelines/files.py | 3 +- scrapy/pipelines/media.py | 27 ++--- scrapy/shell.py | 4 +- scrapy/utils/decorators.py | 29 ++++-- scrapy/utils/defer.py | 135 +++++++++++++++++-------- scrapy/utils/python.py | 23 ++++- scrapy/utils/reactor.py | 33 ++++-- 13 files changed, 204 insertions(+), 101 deletions(-) diff --git a/scrapy/cmdline.py b/scrapy/cmdline.py index 4df5698a6..da0e51386 100644 --- a/scrapy/cmdline.py +++ b/scrapy/cmdline.py @@ -1,10 +1,12 @@ +from __future__ import annotations + import argparse import cProfile import inspect import os import sys from importlib.metadata import entry_points -from typing import Any, Callable, Dict, Iterable, List, Optional, Tuple, Type +from typing import TYPE_CHECKING, Callable, Dict, Iterable, List, Optional, Tuple, Type import scrapy from scrapy.commands import BaseRunSpiderCommand, ScrapyCommand, ScrapyHelpFormatter @@ -15,6 +17,12 @@ from scrapy.utils.misc import walk_modules from scrapy.utils.project import get_project_settings, inside_project from scrapy.utils.python import garbage_collect +if TYPE_CHECKING: + # typing.ParamSpec requires Python 3.10 + from typing_extensions import ParamSpec + + _P = ParamSpec("_P") + class ScrapyArgumentParser(argparse.ArgumentParser): def _parse_optional( @@ -121,7 +129,10 @@ def _print_unknown_command( def _run_print_help( - parser: argparse.ArgumentParser, func: Callable, *a: Any, **kw: Any + parser: argparse.ArgumentParser, + func: Callable[_P, None], + *a: _P.args, + **kw: _P.kwargs, ) -> None: try: func(*a, **kw) diff --git a/scrapy/core/downloader/handlers/ftp.py b/scrapy/core/downloader/handlers/ftp.py index ed94b2221..77dcf3c38 100644 --- a/scrapy/core/downloader/handlers/ftp.py +++ b/scrapy/core/downloader/handlers/ftp.py @@ -109,12 +109,10 @@ class FTPDownloadHandler: def gotClient(self, client: FTPClient, request: Request, filepath: str) -> Deferred: self.client = client protocol = ReceivedDataProtocol(request.meta.get("ftp_local_filename")) - return client.retrieveFile(filepath, protocol).addCallbacks( - callback=self._build_response, - callbackArgs=(request, protocol), - errback=self._failed, - errbackArgs=(request,), - ) + d = client.retrieveFile(filepath, protocol) + d.addCallback(self._build_response, request, protocol) + d.addErrback(self._failed, request) + return d def _build_response( self, result: Any, request: Request, protocol: ReceivedDataProtocol diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index 93a0c51bc..6bf3f3e26 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -347,7 +347,7 @@ class ExecutionEngine: assert self.spider is not None dwld = self.downloader.fetch(request, self.spider) - dwld.addCallbacks(_on_success) + dwld.addCallback(_on_success) dwld.addBoth(_on_complete) return dwld diff --git a/scrapy/core/scraper.py b/scrapy/core/scraper.py index 272841e01..566e6628b 100644 --- a/scrapy/core/scraper.py +++ b/scrapy/core/scraper.py @@ -8,7 +8,6 @@ from collections import deque from typing import ( TYPE_CHECKING, Any, - AsyncGenerator, AsyncIterable, Deque, Generator, @@ -18,6 +17,7 @@ from typing import ( Tuple, Type, Union, + cast, ) from itemadapter import is_item @@ -184,7 +184,9 @@ class Scraper: result, request, spider ) # returns spider's processed output dfd.addErrback(self.handle_spider_error, request, result, spider) - dfd.addCallback(self.handle_spider_output, request, result, spider) + dfd.addCallback( + self.handle_spider_output, request, cast(Response, result), spider + ) return dfd def _scrape2( @@ -256,12 +258,12 @@ class Scraper: self, result: Union[Iterable, AsyncIterable], request: Request, - response: Union[Response, Failure], + response: Response, spider: Spider, ) -> Deferred: if not result: return defer_succeed(None) - it: Union[Generator, AsyncGenerator] + it: Union[Iterable, AsyncIterable] if isinstance(result, AsyncIterable): it = aiter_errback( result, self.handle_spider_error, request, response, spider diff --git a/scrapy/core/spidermw.py b/scrapy/core/spidermw.py index 1ccfd08a2..2cef2e1dd 100644 --- a/scrapy/core/spidermw.py +++ b/scrapy/core/spidermw.py @@ -303,10 +303,8 @@ class SpiderMiddlewareManager(MiddlewareManager): dfd = mustbe_deferred( self._process_spider_input, scrape_func, response, request, spider ) - dfd.addCallbacks( - callback=deferred_f_from_coro_f(process_callback_output), - errback=process_spider_exception, - ) + dfd.addCallback(deferred_f_from_coro_f(process_callback_output)) + dfd.addErrback(process_spider_exception) return dfd def process_start_requests( diff --git a/scrapy/mail.py b/scrapy/mail.py index 56adba934..fd6302550 100644 --- a/scrapy/mail.py +++ b/scrapy/mail.py @@ -154,12 +154,8 @@ class MailSender: return None dfd = self._sendmail(rcpts, msg.as_string().encode(charset or "utf-8")) - dfd.addCallbacks( - callback=self._sent_ok, - errback=self._sent_failed, - callbackArgs=(to, cc, subject, len(attachs)), - errbackArgs=(to, cc, subject, len(attachs)), - ) + dfd.addCallback(self._sent_ok, to, cc, subject, len(attachs)) + dfd.addErrback(self._sent_failed, to, cc, subject, len(attachs)) reactor.addSystemEventTrigger("before", "shutdown", lambda: dfd) return dfd diff --git a/scrapy/pipelines/files.py b/scrapy/pipelines/files.py index d00f44502..47457f2a8 100644 --- a/scrapy/pipelines/files.py +++ b/scrapy/pipelines/files.py @@ -459,7 +459,8 @@ class FilesPipeline(MediaPipeline): path = self.file_path(request, info=info, item=item) dfd = defer.maybeDeferred(self.store.stat_file, path, info) - dfd.addCallbacks(_onsuccess, lambda _: None) + dfd.addCallback(_onsuccess) + dfd.addErrback(lambda _: None) dfd.addErrback( lambda f: logger.error( self.__class__.__name__ + ".store.stat_file", diff --git a/scrapy/pipelines/media.py b/scrapy/pipelines/media.py index fd5e70cb9..5f6c5cb07 100644 --- a/scrapy/pipelines/media.py +++ b/scrapy/pipelines/media.py @@ -106,10 +106,17 @@ class MediaPipeline: # Return cached result if request was already seen if fp in info.downloaded: - return defer_result(info.downloaded[fp]).addCallbacks(cb, eb) + d = defer_result(info.downloaded[fp]) + d.addCallback(cb) + if eb: + d.addErrback(eb) + return d # Otherwise, wait for result - wad = Deferred().addCallbacks(cb, eb) + wad = Deferred() + wad.addCallback(cb) + if eb: + wad.addErrback(eb) info.waiting[fp].append(wad) # Check if request is downloading right now to avoid doing it twice @@ -140,23 +147,11 @@ class MediaPipeline: if self.download_func: # this ugly code was left only to support tests. TODO: remove dfd = mustbe_deferred(self.download_func, request, info.spider) - dfd.addCallbacks( - callback=self.media_downloaded, - callbackArgs=(request, info), - callbackKeywords={"item": item}, - errback=self.media_failed, - errbackArgs=(request, info), - ) else: self._modify_media_request(request) dfd = self.crawler.engine.download(request) - dfd.addCallbacks( - callback=self.media_downloaded, - callbackArgs=(request, info), - callbackKeywords={"item": item}, - errback=self.media_failed, - errbackArgs=(request, info), - ) + dfd.addCallback(self.media_downloaded, request, info, item=item) + dfd.addErrback(self.media_failed, request, info) return dfd def _cache_result_and_execute_waiters(self, result, fp, info): diff --git a/scrapy/shell.py b/scrapy/shell.py index fac42e8a2..2c22d3d8f 100644 --- a/scrapy/shell.py +++ b/scrapy/shell.py @@ -231,7 +231,9 @@ def _request_deferred(request: Request) -> defer.Deferred: d: defer.Deferred = defer.Deferred() d.addBoth(_restore_callbacks) if request.callback: - d.addCallbacks(request.callback, request.errback) + d.addCallback(request.callback) + if request.errback: + d.addErrback(request.errback) request.callback, request.errback = d.callback, d.errback return d diff --git a/scrapy/utils/decorators.py b/scrapy/utils/decorators.py index 04186559f..7e82dd519 100644 --- a/scrapy/utils/decorators.py +++ b/scrapy/utils/decorators.py @@ -1,21 +1,34 @@ +from __future__ import annotations + import warnings from functools import wraps -from typing import Any, Callable +from typing import TYPE_CHECKING, Any, Callable, TypeVar from twisted.internet import defer, threads from twisted.internet.defer import Deferred from scrapy.exceptions import ScrapyDeprecationWarning +if TYPE_CHECKING: + # typing.ParamSpec requires Python 3.10 + from typing_extensions import ParamSpec -def deprecated(use_instead: Any = None) -> Callable: + _P = ParamSpec("_P") + + +_T = TypeVar("_T") + + +def deprecated( + use_instead: Any = None, +) -> Callable[[Callable[_P, _T]], Callable[_P, _T]]: """This is a decorator which can be used to mark functions as deprecated. It will result in a warning being emitted when the function is used.""" - def deco(func: Callable) -> Callable: + def deco(func: Callable[_P, _T]) -> Callable[_P, _T]: @wraps(func) - def wrapped(*args: Any, **kwargs: Any) -> Any: + def wrapped(*args: _P.args, **kwargs: _P.kwargs) -> Any: message = f"Call to deprecated function {func.__name__}." if use_instead: message += f" Use {use_instead} instead." @@ -30,23 +43,23 @@ def deprecated(use_instead: Any = None) -> Callable: return deco -def defers(func: Callable) -> Callable[..., Deferred]: +def defers(func: Callable[_P, _T]) -> Callable[_P, Deferred[_T]]: """Decorator to make sure a function always returns a deferred""" @wraps(func) - def wrapped(*a: Any, **kw: Any) -> Deferred: + def wrapped(*a: _P.args, **kw: _P.kwargs) -> Deferred[_T]: return defer.maybeDeferred(func, *a, **kw) return wrapped -def inthread(func: Callable) -> Callable[..., Deferred]: +def inthread(func: Callable[_P, _T]) -> Callable[_P, Deferred[_T]]: """Decorator to call a function in a thread and return a deferred with the result """ @wraps(func) - def wrapped(*a: Any, **kw: Any) -> Deferred: + def wrapped(*a: _P.args, **kw: _P.kwargs) -> Deferred[_T]: return threads.deferToThread(func, *a, **kw) return wrapped diff --git a/scrapy/utils/defer.py b/scrapy/utils/defer.py index c391db9fd..abb7e1726 100644 --- a/scrapy/utils/defer.py +++ b/scrapy/utils/defer.py @@ -2,21 +2,22 @@ Helper functions for dealing with Twisted deferreds """ +from __future__ import annotations + import asyncio import inspect from asyncio import Future from functools import wraps from types import CoroutineType from typing import ( + TYPE_CHECKING, Any, - AsyncGenerator, AsyncIterable, AsyncIterator, Awaitable, Callable, Coroutine, Dict, - Generator, Iterable, Iterator, List, @@ -37,6 +38,14 @@ from twisted.python.failure import Failure from scrapy.exceptions import IgnoreRequest from scrapy.utils.reactor import _get_asyncio_event_loop, is_asyncio_reactor_installed +if TYPE_CHECKING: + # typing.Concatenate and typing.ParamSpec require Python 3.10 + from typing_extensions import Concatenate, ParamSpec + + _P = ParamSpec("_P") + +_T = TypeVar("_T") + def defer_fail(_failure: Failure) -> Deferred: """Same as twisted.internet.defer.fail but delay calling errback until @@ -74,7 +83,31 @@ def defer_result(result: Any) -> Deferred: return defer_succeed(result) -def mustbe_deferred(f: Callable, *args: Any, **kw: Any) -> Deferred: +@overload +def mustbe_deferred( + f: Callable[_P, Deferred[_T]], *args: _P.args, **kw: _P.kwargs +) -> Deferred[_T]: ... + + +@overload +def mustbe_deferred( + f: Callable[_P, Coroutine[Deferred[Any], Any, _T]], + *args: _P.args, + **kw: _P.kwargs, +) -> Deferred[_T]: ... + + +@overload +def mustbe_deferred( + f: Callable[_P, _T], *args: _P.args, **kw: _P.kwargs +) -> Deferred[_T]: ... + + +def mustbe_deferred( + f: Callable[_P, Union[Deferred[_T], Coroutine[Deferred[Any], Any, _T], _T]], + *args: _P.args, + **kw: _P.kwargs, +) -> Deferred[_T]: """Same as twisted.internet.defer.maybeDeferred, but delay calling callback/errback to next reactor loop """ @@ -92,7 +125,11 @@ def mustbe_deferred(f: Callable, *args: Any, **kw: Any) -> Deferred: def parallel( - iterable: Iterable, count: int, callable: Callable, *args: Any, **named: Any + iterable: Iterable[_T], + count: int, + callable: Callable[Concatenate[_T, _P], Any], + *args: _P.args, + **named: _P.kwargs, ) -> Deferred: """Execute a callable over the objects in the given iterable, in parallel, using no more than ``count`` concurrent calls. @@ -104,7 +141,7 @@ def parallel( return DeferredList([coop.coiterate(work) for _ in range(count)]) -class _AsyncCooperatorAdapter(Iterator): +class _AsyncCooperatorAdapter(Iterator[Deferred]): """A class that wraps an async iterable into a normal iterator suitable for using in Cooperator.coiterate(). As it's only needed for parallel_async(), it calls the callable directly in the callback, instead of providing a more @@ -152,28 +189,30 @@ class _AsyncCooperatorAdapter(Iterator): def __init__( self, - aiterable: AsyncIterable, - callable: Callable, - *callable_args: Any, - **callable_kwargs: Any, + aiterable: AsyncIterable[_T], + callable: Callable[Concatenate[_T, _P], Any], + *callable_args: _P.args, + **callable_kwargs: _P.kwargs, ): - self.aiterator: AsyncIterator = aiterable.__aiter__() - self.callable: Callable = callable + self.aiterator: AsyncIterator[_T] = aiterable.__aiter__() + self.callable: Callable[Concatenate[_T, _P], Any] = callable self.callable_args: Tuple[Any, ...] = callable_args self.callable_kwargs: Dict[str, Any] = callable_kwargs self.finished: bool = False self.waiting_deferreds: List[Deferred] = [] - self.anext_deferred: Optional[Deferred] = None + self.anext_deferred: Optional[Deferred[_T]] = None - def _callback(self, result: Any) -> None: + def _callback(self, result: _T) -> None: # This gets called when the result from aiterator.__anext__() is available. # It calls the callable on it and sends the result to the oldest waiting Deferred # (by chaining if the result is a Deferred too or by firing if not). self.anext_deferred = None - result = self.callable(result, *self.callable_args, **self.callable_kwargs) + callable_result = self.callable( + result, *self.callable_args, **self.callable_kwargs + ) d = self.waiting_deferreds.pop(0) - if isinstance(result, Deferred): - result.chainDeferred(d) + if isinstance(callable_result, Deferred): + callable_result.chainDeferred(d) else: d.callback(None) if self.waiting_deferreds: @@ -207,11 +246,11 @@ class _AsyncCooperatorAdapter(Iterator): def parallel_async( - async_iterable: AsyncIterable, + async_iterable: AsyncIterable[_T], count: int, - callable: Callable, - *args: Any, - **named: Any, + callable: Callable[Concatenate[_T, _P], Any], + *args: _P.args, + **named: _P.kwargs, ) -> Deferred: """Like parallel but for async iterators""" coop = Cooperator() @@ -221,7 +260,10 @@ def parallel_async( def process_chain( - callbacks: Iterable[Callable], input: Any, *a: Any, **kw: Any + callbacks: Iterable[Callable[Concatenate[_T, _P], Any]], + input: Any, + *a: _P.args, + **kw: _P.kwargs, ) -> Deferred: """Return a Deferred built by chaining the given callbacks""" d: Deferred = Deferred() @@ -232,23 +274,17 @@ def process_chain( def process_chain_both( - callbacks: Iterable[Callable], - errbacks: Iterable[Callable], + callbacks: Iterable[Callable[Concatenate[_T, _P], Any]], + errbacks: Iterable[Callable[Concatenate[Failure, _P], Any]], input: Any, - *a: Any, - **kw: Any, + *a: _P.args, + **kw: _P.kwargs, ) -> Deferred: """Return a Deferred built by chaining the given callbacks and errbacks""" d: Deferred = Deferred() for cb, eb in zip(callbacks, errbacks): - d.addCallbacks( - callback=cb, - errback=eb, - callbackArgs=a, - callbackKeywords=kw, - errbackArgs=a, - errbackKeywords=kw, - ) + d.addCallback(cb, *a, **kw) + d.addErrback(eb, *a, **kw) if isinstance(input, failure.Failure): d.errback(input) else: @@ -257,20 +293,27 @@ def process_chain_both( def process_parallel( - callbacks: Iterable[Callable], input: Any, *a: Any, **kw: Any + callbacks: Iterable[Callable[Concatenate[_T, _P], Any]], + input: Any, + *a: _P.args, + **kw: _P.kwargs, ) -> Deferred: """Return a Deferred with the output of all successful calls to the given callbacks """ dfds = [defer.succeed(input).addCallback(x, *a, **kw) for x in callbacks] d: Deferred = DeferredList(dfds, fireOnOneErrback=True, consumeErrors=True) - d.addCallbacks(lambda r: [x[1] for x in r], lambda f: f.value.subFailure) + d.addCallback(lambda r: [x[1] for x in r]) + d.addErrback(lambda f: f.value.subFailure) return d def iter_errback( - iterable: Iterable, errback: Callable, *a: Any, **kw: Any -) -> Generator: + iterable: Iterable[_T], + errback: Callable[Concatenate[Failure, _P], Any], + *a: _P.args, + **kw: _P.kwargs, +) -> Iterable[_T]: """Wraps an iterable calling an errback if an error is caught while iterating it. """ @@ -285,8 +328,11 @@ def iter_errback( async def aiter_errback( - aiterable: AsyncIterable, errback: Callable, *a: Any, **kw: Any -) -> AsyncGenerator: + aiterable: AsyncIterable[_T], + errback: Callable[Concatenate[Failure, _P], Any], + *a: _P.args, + **kw: _P.kwargs, +) -> AsyncIterable[_T]: """Wraps an async iterable calling an errback if an error is caught while iterating it. Similar to scrapy.utils.defer.iter_errback() """ @@ -301,7 +347,6 @@ async def aiter_errback( _CT = TypeVar("_CT", bound=Union[Awaitable, CoroutineType, Future]) -_T = TypeVar("_T") @overload @@ -327,7 +372,9 @@ def deferred_from_coro(o: _T) -> Union[Deferred, _T]: return o -def deferred_f_from_coro_f(coro_f: Callable[..., Coroutine]) -> Callable: +def deferred_f_from_coro_f( + coro_f: Callable[_P, Coroutine[Any, Any, _T]] +) -> Callable[_P, Deferred[_T]]: """Converts a coroutine function into a function that returns a Deferred. The coroutine function will be called at the time when the wrapper is called. Wrapper args will be passed to it. @@ -335,13 +382,15 @@ def deferred_f_from_coro_f(coro_f: Callable[..., Coroutine]) -> Callable: """ @wraps(coro_f) - def f(*coro_args: Any, **coro_kwargs: Any) -> Any: + def f(*coro_args: _P.args, **coro_kwargs: _P.kwargs) -> Any: return deferred_from_coro(coro_f(*coro_args, **coro_kwargs)) return f -def maybeDeferred_coro(f: Callable, *args: Any, **kw: Any) -> Deferred: +def maybeDeferred_coro( + f: Callable[_P, Any], *args: _P.args, **kw: _P.kwargs +) -> Deferred: """Copy of defer.maybeDeferred that also converts coroutines to Deferreds.""" try: result = f(*args, **kw) diff --git a/scrapy/utils/python.py b/scrapy/utils/python.py index 1e7364e49..5d2d490b2 100644 --- a/scrapy/utils/python.py +++ b/scrapy/utils/python.py @@ -2,6 +2,8 @@ This module contains essential stuff that should've come with Python itself ;) """ +from __future__ import annotations + import collections.abc import gc import inspect @@ -11,6 +13,7 @@ import weakref from functools import partial, wraps from itertools import chain from typing import ( + TYPE_CHECKING, Any, AsyncGenerator, AsyncIterable, @@ -25,12 +28,21 @@ from typing import ( Optional, Pattern, Tuple, + TypeVar, Union, overload, ) from scrapy.utils.asyncgen import as_async_generator +if TYPE_CHECKING: + # typing.Concatenate and typing.ParamSpec require Python 3.10 + from typing_extensions import Concatenate, ParamSpec + + _P = ParamSpec("_P") + +_T = TypeVar("_T") + def flatten(x: Iterable) -> list: """flatten(sequence) -> list @@ -169,14 +181,19 @@ def re_rsearch( return None -def memoizemethod_noargs(method: Callable) -> Callable: +_SelfT = TypeVar("_SelfT") + + +def memoizemethod_noargs( + method: Callable[Concatenate[_SelfT, _P], _T] +) -> Callable[Concatenate[_SelfT, _P], _T]: """Decorator to cache the result of a method (without arguments) using a weak reference to its object """ - cache: weakref.WeakKeyDictionary[Any, Any] = weakref.WeakKeyDictionary() + cache: weakref.WeakKeyDictionary[_SelfT, _T] = weakref.WeakKeyDictionary() @wraps(method) - def new_method(self: Any, *args: Any, **kwargs: Any) -> Any: + def new_method(self: _SelfT, *args: _P.args, **kwargs: _P.kwargs) -> _T: if self not in cache: cache[self] = method(self, *args, **kwargs) return cache[self] diff --git a/scrapy/utils/reactor.py b/scrapy/utils/reactor.py index 6cde49bfe..5af6d22eb 100644 --- a/scrapy/utils/reactor.py +++ b/scrapy/utils/reactor.py @@ -1,8 +1,21 @@ +from __future__ import annotations + import asyncio import sys from asyncio import AbstractEventLoop, AbstractEventLoopPolicy from contextlib import suppress -from typing import Any, Callable, Dict, List, Optional, Sequence, Type +from typing import ( + TYPE_CHECKING, + Any, + Callable, + Dict, + Generic, + List, + Optional, + Tuple, + Type, + TypeVar, +) from warnings import catch_warnings, filterwarnings, warn from twisted.internet import asyncioreactor, error @@ -13,6 +26,14 @@ from twisted.internet.tcp import Port from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.utils.misc import load_object +if TYPE_CHECKING: + # typing.ParamSpec requires Python 3.10 + from typing_extensions import ParamSpec + + _P = ParamSpec("_P") + +_T = TypeVar("_T") + def listen_tcp(portrange: List[int], host: str, factory: ServerFactory) -> Port: # type: ignore[return] """Like reactor.listenTCP but tries different ports in a range.""" @@ -32,14 +53,14 @@ def listen_tcp(portrange: List[int], host: str, factory: ServerFactory) -> Port: raise -class CallLaterOnce: +class CallLaterOnce(Generic[_T]): """Schedule a function to be called in the next reactor loop, but only if it hasn't been already scheduled since the last time it ran. """ - def __init__(self, func: Callable, *a: Any, **kw: Any): - self._func: Callable = func - self._a: Sequence[Any] = a + def __init__(self, func: Callable[_P, _T], *a: _P.args, **kw: _P.kwargs): + self._func: Callable[_P, _T] = func + self._a: Tuple[Any, ...] = a self._kw: Dict[str, Any] = kw self._call: Optional[DelayedCall] = None @@ -53,7 +74,7 @@ class CallLaterOnce: if self._call: self._call.cancel() - def __call__(self) -> Any: + def __call__(self) -> _T: self._call = None return self._func(*self._a, **self._kw) From b8e333c8ce78c195e265fa453e7bc0b11c5ca4af Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 13 May 2024 14:07:51 +0400 Subject: [PATCH 175/786] Full typing for scrapy/spiders. (#6356) --- scrapy/spiders/__init__.py | 6 +- scrapy/spiders/crawl.py | 138 +++++++++++++++++++++++++------------ scrapy/spiders/feed.py | 48 ++++++++----- scrapy/spiders/init.py | 14 ++-- scrapy/spiders/sitemap.py | 49 ++++++++----- scrapy/utils/sitemap.py | 4 +- 6 files changed, 172 insertions(+), 87 deletions(-) diff --git a/scrapy/spiders/__init__.py b/scrapy/spiders/__init__.py index 2416d2a4d..370801f28 100644 --- a/scrapy/spiders/__init__.py +++ b/scrapy/spiders/__init__.py @@ -39,7 +39,7 @@ class Spider(object_ref): def __init__(self, name: Optional[str] = None, **kwargs: Any): if name is not None: - self.name = name + self.name: str = name elif not getattr(self, "name", None): raise ValueError(f"{type(self).__name__} must have a name") self.__dict__.update(kwargs) @@ -67,8 +67,8 @@ class Spider(object_ref): return spider def _set_crawler(self, crawler: Crawler) -> None: - self.crawler = crawler - self.settings = crawler.settings + self.crawler: Crawler = crawler + self.settings: BaseSettings = crawler.settings crawler.signals.connect(self.close, signals.spider_closed) def start_requests(self) -> Iterable[Request]: diff --git a/scrapy/spiders/crawl.py b/scrapy/spiders/crawl.py index ba8b7b366..48c830d2a 100644 --- a/scrapy/spiders/crawl.py +++ b/scrapy/spiders/crawl.py @@ -8,9 +8,27 @@ See documentation in docs/topics/spiders.rst from __future__ import annotations import copy -from typing import TYPE_CHECKING, AsyncIterable, Awaitable, Sequence +from typing import ( + TYPE_CHECKING, + Any, + AsyncIterable, + Awaitable, + Callable, + Dict, + Iterable, + List, + Optional, + Sequence, + Set, + TypeVar, + Union, + cast, +) + +from twisted.python.failure import Failure from scrapy.http import HtmlResponse, Request, Response +from scrapy.link import Link from scrapy.linkextractors import LinkExtractor from scrapy.spiders import Spider from scrapy.utils.asyncgen import collect_asyncgen @@ -20,20 +38,32 @@ if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.crawler import Crawler -def _identity(x): + +_T = TypeVar("_T") +ProcessLinksT = Callable[[List[Link]], List[Link]] +ProcessRequestT = Callable[[Request, Response], Optional[Request]] + + +def _identity(x: _T) -> _T: return x -def _identity_process_request(request, response): +def _identity_process_request( + request: Request, response: Response +) -> Optional[Request]: return request -def _get_method(method, spider): +def _get_method( + method: Union[Callable, str, None], spider: Spider +) -> Optional[Callable]: if callable(method): return method if isinstance(method, str): return getattr(spider, method, None) + return None _default_link_extractor = LinkExtractor() @@ -42,37 +72,46 @@ _default_link_extractor = LinkExtractor() class Rule: def __init__( self, - link_extractor=None, - callback=None, - cb_kwargs=None, - follow=None, - process_links=None, - process_request=None, - errback=None, + link_extractor: Optional[LinkExtractor] = None, + callback: Union[Callable, str, None] = None, + cb_kwargs: Optional[Dict[str, Any]] = None, + follow: Optional[bool] = None, + process_links: Union[ProcessLinksT, str, None] = None, + process_request: Union[ProcessRequestT, str, None] = None, + errback: Union[Callable[[Failure], Any], str, None] = None, ): - self.link_extractor = link_extractor or _default_link_extractor - self.callback = callback - self.errback = errback - self.cb_kwargs = cb_kwargs or {} - self.process_links = process_links or _identity - self.process_request = process_request or _identity_process_request - self.follow = follow if follow is not None else not callback + self.link_extractor: LinkExtractor = link_extractor or _default_link_extractor + self.callback: Union[Callable, str, None] = callback + self.errback: Union[Callable[[Failure], Any], str, None] = errback + self.cb_kwargs: Dict[str, Any] = cb_kwargs or {} + self.process_links: Union[ProcessLinksT, str] = process_links or _identity + self.process_request: Union[ProcessRequestT, str] = ( + process_request or _identity_process_request + ) + self.follow: bool = follow if follow is not None else not callback - def _compile(self, spider): + def _compile(self, spider: Spider) -> None: + # this replaces method names with methods and we can't express this in type hints self.callback = _get_method(self.callback, spider) - self.errback = _get_method(self.errback, spider) - self.process_links = _get_method(self.process_links, spider) - self.process_request = _get_method(self.process_request, spider) + self.errback = cast(Callable[[Failure], Any], _get_method(self.errback, spider)) + self.process_links = cast( + ProcessLinksT, _get_method(self.process_links, spider) + ) + self.process_request = cast( + ProcessRequestT, _get_method(self.process_request, spider) + ) class CrawlSpider(Spider): rules: Sequence[Rule] = () + _rules: List[Rule] + _follow_links: bool - def __init__(self, *a, **kw): + def __init__(self, *a: Any, **kw: Any): super().__init__(*a, **kw) self._compile_rules() - def _parse(self, response, **kwargs): + def _parse(self, response: Response, **kwargs: Any) -> Any: return self._parse_response( response=response, callback=self.parse_start_url, @@ -80,13 +119,13 @@ class CrawlSpider(Spider): follow=True, ) - def parse_start_url(self, response, **kwargs): + def parse_start_url(self, response: Response, **kwargs: Any) -> Any: return [] - def process_results(self, response: Response, results: list): + def process_results(self, response: Response, results: Any) -> Any: return results - def _build_request(self, rule_index, link): + def _build_request(self, rule_index: int, link: Link) -> Request: return Request( url=link.url, callback=self._callback, @@ -94,32 +133,43 @@ class CrawlSpider(Spider): meta={"rule": rule_index, "link_text": link.text}, ) - def _requests_to_follow(self, response): + def _requests_to_follow(self, response: Response) -> Iterable[Optional[Request]]: if not isinstance(response, HtmlResponse): return - seen = set() + seen: Set[Link] = set() for rule_index, rule in enumerate(self._rules): - links = [ + links: List[Link] = [ lnk for lnk in rule.link_extractor.extract_links(response) if lnk not in seen ] - for link in rule.process_links(links): + for link in cast(ProcessLinksT, rule.process_links)(links): seen.add(link) request = self._build_request(rule_index, link) - yield rule.process_request(request, response) + yield cast(ProcessRequestT, rule.process_request)(request, response) - def _callback(self, response, **cb_kwargs): - rule = self._rules[response.meta["rule"]] + def _callback(self, response: Response, **cb_kwargs: Any) -> Any: + rule = self._rules[cast(int, response.meta["rule"])] return self._parse_response( - response, rule.callback, {**rule.cb_kwargs, **cb_kwargs}, rule.follow + response, + cast(Callable, rule.callback), + {**rule.cb_kwargs, **cb_kwargs}, + rule.follow, ) - def _errback(self, failure): - rule = self._rules[failure.request.meta["rule"]] - return self._handle_failure(failure, rule.errback) + def _errback(self, failure: Failure) -> Iterable[Any]: + rule = self._rules[cast(int, failure.request.meta["rule"])] # type: ignore[attr-defined] + return self._handle_failure( + failure, cast(Callable[[Failure], Any], rule.errback) + ) - async def _parse_response(self, response, callback, cb_kwargs, follow=True): + async def _parse_response( + self, + response: Response, + callback: Optional[Callable], + cb_kwargs: Dict[str, Any], + follow: bool = True, + ) -> AsyncIterable[Any]: if callback: cb_res = callback(response, **cb_kwargs) or () if isinstance(cb_res, AsyncIterable): @@ -134,21 +184,23 @@ class CrawlSpider(Spider): for request_or_item in self._requests_to_follow(response): yield request_or_item - def _handle_failure(self, failure, errback): + def _handle_failure( + self, failure: Failure, errback: Optional[Callable[[Failure], Any]] + ) -> Iterable[Any]: if errback: results = errback(failure) or () yield from iterate_spider_output(results) - def _compile_rules(self): + def _compile_rules(self) -> None: self._rules = [] for rule in self.rules: self._rules.append(copy.copy(rule)) self._rules[-1]._compile(self) @classmethod - def from_crawler(cls, crawler, *args, **kwargs) -> Self: + def from_crawler(cls, crawler: Crawler, *args: Any, **kwargs: Any) -> Self: spider = super().from_crawler(crawler, *args, **kwargs) - spider._follow_links = crawler.settings.getbool( # type: ignore[attr-defined] + spider._follow_links = crawler.settings.getbool( "CRAWLSPIDER_FOLLOW_LINKS", True ) return spider diff --git a/scrapy/spiders/feed.py b/scrapy/spiders/feed.py index 5caf8c79e..9dd8a5d68 100644 --- a/scrapy/spiders/feed.py +++ b/scrapy/spiders/feed.py @@ -5,7 +5,10 @@ for scraping from an XML feed. See documentation in docs/topics/spiders.rst """ +from typing import Any, Dict, Iterable, List, Optional, Sequence, Tuple + from scrapy.exceptions import NotConfigured, NotSupported +from scrapy.http import Response, TextResponse from scrapy.selector import Selector from scrapy.spiders import Spider from scrapy.utils.iterators import csviter, xmliter_lxml @@ -22,11 +25,13 @@ class XMLFeedSpider(Spider): use iternodes, since it's a faster and cleaner. """ - iterator = "iternodes" - itertag = "item" - namespaces = () + iterator: str = "iternodes" + itertag: str = "item" + namespaces: Sequence[Tuple[str, str]] = () - def process_results(self, response, results): + def process_results( + self, response: Response, results: Iterable[Any] + ) -> Iterable[Any]: """This overridable method is called for each result (item or request) returned by the spider, and it's intended to perform any last time processing required before returning the results to the framework core, @@ -36,20 +41,20 @@ class XMLFeedSpider(Spider): """ return results - def adapt_response(self, response): + def adapt_response(self, response: Response) -> Response: """You can override this function in order to make any changes you want to into the feed before parsing it. This function must return a response. """ return response - def parse_node(self, response, selector): + def parse_node(self, response: Response, selector: Selector) -> Any: """This method must be overridden with your custom spider functionality""" if hasattr(self, "parse_item"): # backward compatibility return self.parse_item(response, selector) raise NotImplementedError - def parse_nodes(self, response, nodes): + def parse_nodes(self, response: Response, nodes: Iterable[Selector]) -> Any: """This method is called for the nodes matching the provided tag name (itertag). Receives the response and an Selector for each node. Overriding this method is mandatory. Otherwise, you spider won't work. @@ -61,20 +66,25 @@ class XMLFeedSpider(Spider): ret = iterate_spider_output(self.parse_node(response, selector)) yield from self.process_results(response, ret) - def _parse(self, response, **kwargs): + def _parse(self, response: Response, **kwargs: Any) -> Any: if not hasattr(self, "parse_node"): raise NotConfigured( "You must define parse_node method in order to scrape this XML feed" ) response = self.adapt_response(response) + nodes: Iterable[Selector] if self.iterator == "iternodes": nodes = self._iternodes(response) elif self.iterator == "xml": + if not isinstance(response, TextResponse): + raise ValueError("Response content isn't text") selector = Selector(response, type="xml") self._register_namespaces(selector) nodes = selector.xpath(f"//{self.itertag}") elif self.iterator == "html": + if not isinstance(response, TextResponse): + raise ValueError("Response content isn't text") selector = Selector(response, type="html") self._register_namespaces(selector) nodes = selector.xpath(f"//{self.itertag}") @@ -83,12 +93,12 @@ class XMLFeedSpider(Spider): return self.parse_nodes(response, nodes) - def _iternodes(self, response): + def _iternodes(self, response: Response) -> Iterable[Selector]: for node in xmliter_lxml(response, self.itertag): self._register_namespaces(node) yield node - def _register_namespaces(self, selector): + def _register_namespaces(self, selector: Selector) -> None: for prefix, uri in self.namespaces: selector.register_namespace(prefix, uri) @@ -102,27 +112,29 @@ class CSVFeedSpider(Spider): and the file's headers. """ - delimiter = ( + delimiter: Optional[str] = ( None # When this is None, python's csv module's default delimiter is used ) - quotechar = ( + quotechar: Optional[str] = ( None # When this is None, python's csv module's default quotechar is used ) - headers = None + headers: Optional[List[str]] = None - def process_results(self, response, results): + def process_results( + self, response: Response, results: Iterable[Any] + ) -> Iterable[Any]: """This method has the same purpose as the one in XMLFeedSpider""" return results - def adapt_response(self, response): + def adapt_response(self, response: Response) -> Response: """This method has the same purpose as the one in XMLFeedSpider""" return response - def parse_row(self, response, row): + def parse_row(self, response: Response, row: Dict[str, str]) -> Any: """This method must be overridden with your custom spider functionality""" raise NotImplementedError - def parse_rows(self, response): + def parse_rows(self, response: Response) -> Any: """Receives a response and a dict (representing each row) with a key for each provided (or detected) header of the CSV file. This spider also gives the opportunity to override adapt_response and @@ -135,7 +147,7 @@ class CSVFeedSpider(Spider): ret = iterate_spider_output(self.parse_row(response, row)) yield from self.process_results(response, ret) - def _parse(self, response, **kwargs): + def _parse(self, response: Response, **kwargs: Any) -> Any: if not hasattr(self, "parse_row"): raise NotConfigured( "You must define parse_row method in order to scrape this CSV feed" diff --git a/scrapy/spiders/init.py b/scrapy/spiders/init.py index 3cb215b0f..a0898a0cf 100644 --- a/scrapy/spiders/init.py +++ b/scrapy/spiders/init.py @@ -1,3 +1,7 @@ +from typing import Any, Iterable, Optional, cast + +from scrapy import Request +from scrapy.http import Response from scrapy.spiders import Spider from scrapy.utils.spider import iterate_spider_output @@ -5,17 +9,17 @@ from scrapy.utils.spider import iterate_spider_output class InitSpider(Spider): """Base Spider with initialization facilities""" - def start_requests(self): - self._postinit_reqs = super().start_requests() - return iterate_spider_output(self.init_request()) + def start_requests(self) -> Iterable[Request]: + self._postinit_reqs: Iterable[Request] = super().start_requests() + return cast(Iterable[Request], iterate_spider_output(self.init_request())) - def initialized(self, response=None): + def initialized(self, response: Optional[Response] = None) -> Any: """This method must be set as the callback of your last initialization request. See self.init_request() docstring for more info. """ return self.__dict__.pop("_postinit_reqs") - def init_request(self): + def init_request(self) -> Any: """This function should return one initialization request, with the self.initialized method as callback. When the self.initialized method is called this spider is considered initialized. If you need to perform diff --git a/scrapy/spiders/sitemap.py b/scrapy/spiders/sitemap.py index f0e630c42..d082fbfdb 100644 --- a/scrapy/spiders/sitemap.py +++ b/scrapy/spiders/sitemap.py @@ -2,9 +2,21 @@ from __future__ import annotations import logging import re -from typing import TYPE_CHECKING, Any +from typing import ( + TYPE_CHECKING, + Any, + Callable, + Dict, + Iterable, + List, + Optional, + Sequence, + Tuple, + Union, + cast, +) -from scrapy.http import Request, XmlResponse +from scrapy.http import Request, Response, XmlResponse from scrapy.spiders import Spider from scrapy.utils._compression import _DecompressionMaxSizeExceeded from scrapy.utils.gz import gunzip, gzip_magic_number @@ -20,10 +32,12 @@ logger = logging.getLogger(__name__) class SitemapSpider(Spider): - sitemap_urls = () - sitemap_rules = [("", "parse")] - sitemap_follow = [""] - sitemap_alternate_links = False + sitemap_urls: Sequence[str] = () + sitemap_rules: Sequence[ + Tuple[Union[re.Pattern[str], str], Union[str, Callable]] + ] = [("", "parse")] + sitemap_follow: Sequence[Union[re.Pattern[str], str]] = [""] + sitemap_alternate_links: bool = False _max_size: int _warn_size: int @@ -38,27 +52,29 @@ class SitemapSpider(Spider): ) return spider - def __init__(self, *a, **kw): + def __init__(self, *a: Any, **kw: Any): super().__init__(*a, **kw) - self._cbs = [] + self._cbs: List[Tuple[re.Pattern[str], Callable]] = [] for r, c in self.sitemap_rules: if isinstance(c, str): - c = getattr(self, c) + c = cast(Callable, getattr(self, c)) self._cbs.append((regex(r), c)) - self._follow = [regex(x) for x in self.sitemap_follow] + self._follow: List[re.Pattern[str]] = [regex(x) for x in self.sitemap_follow] - def start_requests(self): + def start_requests(self) -> Iterable[Request]: for url in self.sitemap_urls: yield Request(url, self._parse_sitemap) - def sitemap_filter(self, entries): + def sitemap_filter( + self, entries: Iterable[Dict[str, Any]] + ) -> Iterable[Dict[str, Any]]: """This method can be used to filter sitemap entries by their attributes, for example, you can filter locs with lastmod greater than a given date (see docs). """ yield from entries - def _parse_sitemap(self, response): + def _parse_sitemap(self, response: Response) -> Iterable[Request]: if response.url.endswith("/robots.txt"): for url in sitemap_urls_from_robots(response.text, base_url=response.url): yield Request(url, callback=self._parse_sitemap) @@ -86,7 +102,7 @@ class SitemapSpider(Spider): yield Request(loc, callback=c) break - def _get_sitemap_body(self, response): + def _get_sitemap_body(self, response: Response) -> Optional[bytes]: """Return the sitemap body contained in the given response, or None if the response is not a sitemap. """ @@ -117,15 +133,16 @@ class SitemapSpider(Spider): # in other word, here, we have plain XML if response.url.endswith(".xml") or response.url.endswith(".xml.gz"): return response.body + return None -def regex(x): +def regex(x: Union[re.Pattern[str], str]) -> re.Pattern[str]: if isinstance(x, str): return re.compile(x) return x -def iterloc(it, alt=False): +def iterloc(it: Iterable[Dict[str, Any]], alt: bool = False) -> Iterable[str]: for d in it: yield d["loc"] diff --git a/scrapy/utils/sitemap.py b/scrapy/utils/sitemap.py index 7dcee3a2f..cf429043d 100644 --- a/scrapy/utils/sitemap.py +++ b/scrapy/utils/sitemap.py @@ -5,7 +5,7 @@ Note: The main purpose of this module is to provide support for the SitemapSpider, its API is subject to change without notice. """ -from typing import Any, Dict, Generator, Iterator, Optional +from typing import Any, Dict, Generator, Iterator, Optional, Union from urllib.parse import urljoin import lxml.etree # nosec @@ -15,7 +15,7 @@ class Sitemap: """Class to parse Sitemap (type=urlset) and Sitemap Index (type=sitemapindex) files""" - def __init__(self, xmltext: str): + def __init__(self, xmltext: Union[str, bytes]): xmlp = lxml.etree.XMLParser( recover=True, remove_comments=True, resolve_entities=False ) From b88f22c6c5de4ca8828b2abe860516c2468c4fe3 Mon Sep 17 00:00:00 2001 From: Bagaudin Magomedov <51474632+bloodforcream@users.noreply.github.com> Date: Mon, 13 May 2024 15:33:24 +0300 Subject: [PATCH 176/786] Add SpiderLoggerAdapter, change Spider.logger to return SpiderLoggerAdapter (#6324) --- scrapy/spiders/__init__.py | 7 +- scrapy/utils/log.py | 25 ++++- tests/spiders.py | 23 +++++ tests/test_utils_log.py | 185 +++++++++++++++++++++++++++++++++++++ 4 files changed, 237 insertions(+), 3 deletions(-) diff --git a/scrapy/spiders/__init__.py b/scrapy/spiders/__init__.py index 370801f28..bef041325 100644 --- a/scrapy/spiders/__init__.py +++ b/scrapy/spiders/__init__.py @@ -25,6 +25,7 @@ if TYPE_CHECKING: from scrapy.crawler import Crawler from scrapy.settings import BaseSettings + from scrapy.utils.log import SpiderLoggerAdapter CallbackT = Callable[Concatenate[Response, ...], Any] @@ -47,9 +48,11 @@ class Spider(object_ref): self.start_urls: List[str] = [] @property - def logger(self) -> logging.LoggerAdapter: + def logger(self) -> SpiderLoggerAdapter: + from scrapy.utils.log import SpiderLoggerAdapter + logger = logging.getLogger(self.name) - return logging.LoggerAdapter(logger, {"spider": self}) + return SpiderLoggerAdapter(logger, {"spider": self}) def log(self, message: Any, level: int = logging.DEBUG, **kw: Any) -> None: """Log the given message at the given log level diff --git a/scrapy/utils/log.py b/scrapy/utils/log.py index 2a38f151a..430a91e95 100644 --- a/scrapy/utils/log.py +++ b/scrapy/utils/log.py @@ -4,7 +4,17 @@ import logging import sys from logging.config import dictConfig from types import TracebackType -from typing import TYPE_CHECKING, Any, List, Optional, Tuple, Type, Union, cast +from typing import ( + TYPE_CHECKING, + Any, + List, + MutableMapping, + Optional, + Tuple, + Type, + Union, + cast, +) from twisted.python import log as twisted_log from twisted.python.failure import Failure @@ -238,3 +248,16 @@ def logformatter_adapter(logkws: dict) -> Tuple[int, str, dict]: args = logkws if not logkws.get("args") else logkws["args"] return (level, message, args) + + +class SpiderLoggerAdapter(logging.LoggerAdapter): + def process( + self, msg: str, kwargs: MutableMapping[str, Any] + ) -> Tuple[str, MutableMapping[str, Any]]: + """Method that augments logging with additional 'extra' data""" + if isinstance(kwargs.get("extra"), MutableMapping): + kwargs["extra"].update(self.extra) + else: + kwargs["extra"] = self.extra + + return msg, kwargs diff --git a/tests/spiders.py b/tests/spiders.py index 94969db99..ea419afbd 100644 --- a/tests/spiders.py +++ b/tests/spiders.py @@ -4,6 +4,7 @@ Some spiders used for testing and benchmarking import asyncio import time +from typing import Optional from urllib.parse import urlencode from twisted.internet import defer @@ -78,6 +79,28 @@ class DelaySpider(MetaSpider): self.t2_err = time.time() +class LogSpider(MetaSpider): + name = "log_spider" + + def log_debug(self, message: str, extra: Optional[dict] = None): + self.logger.debug(message, extra=extra) + + def log_info(self, message: str, extra: Optional[dict] = None): + self.logger.info(message, extra=extra) + + def log_warning(self, message: str, extra: Optional[dict] = None): + self.logger.warning(message, extra=extra) + + def log_error(self, message: str, extra: Optional[dict] = None): + self.logger.error(message, extra=extra) + + def log_critical(self, message: str, extra: Optional[dict] = None): + self.logger.critical(message, extra=extra) + + def parse(self, response): + pass + + class SlowSpider(DelaySpider): name = "slow" diff --git a/tests/test_utils_log.py b/tests/test_utils_log.py index eae744df5..a8d080822 100644 --- a/tests/test_utils_log.py +++ b/tests/test_utils_log.py @@ -1,18 +1,26 @@ +import json import logging +import re import sys import unittest +from io import StringIO +from typing import Any, Dict, Mapping, MutableMapping +from unittest import TestCase +import pytest from testfixtures import LogCapture from twisted.python.failure import Failure from scrapy.extensions import telnet from scrapy.utils.log import ( LogCounterHandler, + SpiderLoggerAdapter, StreamLogger, TopLevelFormatter, failure_to_exc_info, ) from scrapy.utils.test import get_crawler +from tests.spiders import LogSpider class FailureToExcInfoTest(unittest.TestCase): @@ -106,3 +114,180 @@ class StreamLoggerTest(unittest.TestCase): with LogCapture() as log: print("test log msg") log.check(("test", "ERROR", "test log msg")) + + +@pytest.mark.parametrize( + ("base_extra", "log_extra", "expected_extra"), + ( + ( + {"spider": "test"}, + {"extra": {"log_extra": "info"}}, + {"extra": {"log_extra": "info", "spider": "test"}}, + ), + ( + {"spider": "test"}, + {"extra": None}, + {"extra": {"spider": "test"}}, + ), + ( + {"spider": "test"}, + {"extra": {"spider": "test2"}}, + {"extra": {"spider": "test"}}, + ), + ), +) +def test_spider_logger_adapter_process( + base_extra: Mapping[str, Any], log_extra: MutableMapping, expected_extra: Dict +): + logger = logging.getLogger("test") + spider_logger_adapter = SpiderLoggerAdapter(logger, base_extra) + + log_message = "test_log_message" + result_message, result_kwargs = spider_logger_adapter.process( + log_message, log_extra + ) + + assert result_message == log_message + assert result_kwargs == expected_extra + + +class LoggingTestCase(TestCase): + def setUp(self): + self.log_stream = StringIO() + handler = logging.StreamHandler(self.log_stream) + logger = logging.getLogger("log_spider") + logger.addHandler(handler) + logger.setLevel(logging.DEBUG) + self.handler = handler + self.logger = logger + self.spider = LogSpider() + + def tearDown(self): + self.logger.removeHandler(self.handler) + + def test_debug_logging(self): + log_message = "Foo message" + self.spider.log_debug(log_message) + log_contents = self.log_stream.getvalue() + + assert log_contents == f"{log_message}\n" + + def test_info_logging(self): + log_message = "Bar message" + self.spider.log_info(log_message) + log_contents = self.log_stream.getvalue() + + assert log_contents == f"{log_message}\n" + + def test_warning_logging(self): + log_message = "Baz message" + self.spider.log_warning(log_message) + log_contents = self.log_stream.getvalue() + + assert log_contents == f"{log_message}\n" + + def test_error_logging(self): + log_message = "Foo bar message" + self.spider.log_error(log_message) + log_contents = self.log_stream.getvalue() + + assert log_contents == f"{log_message}\n" + + def test_critical_logging(self): + log_message = "Foo bar baz message" + self.spider.log_critical(log_message) + log_contents = self.log_stream.getvalue() + + assert log_contents == f"{log_message}\n" + + +class LoggingWithExtraTestCase(TestCase): + def setUp(self): + self.log_stream = StringIO() + handler = logging.StreamHandler(self.log_stream) + formatter = logging.Formatter( + '{"levelname": "%(levelname)s", "message": "%(message)s", "spider": "%(spider)s", "important_info": "%(important_info)s"}' + ) + handler.setFormatter(formatter) + logger = logging.getLogger("log_spider") + logger.addHandler(handler) + logger.setLevel(logging.DEBUG) + self.handler = handler + self.logger = logger + self.spider = LogSpider() + self.regex_pattern = re.compile(r"^]+>$") + + def tearDown(self): + self.logger.removeHandler(self.handler) + + def test_debug_logging(self): + log_message = "Foo message" + extra = {"important_info": "foo"} + self.spider.log_debug(log_message, extra) + log_contents = self.log_stream.getvalue() + log_contents = json.loads(log_contents) + + assert log_contents["levelname"] == "DEBUG" + assert log_contents["message"] == log_message + assert self.regex_pattern.match(log_contents["spider"]) + assert log_contents["important_info"] == extra["important_info"] + + def test_info_logging(self): + log_message = "Bar message" + extra = {"important_info": "bar"} + self.spider.log_info(log_message, extra) + log_contents = self.log_stream.getvalue() + log_contents = json.loads(log_contents) + + assert log_contents["levelname"] == "INFO" + assert log_contents["message"] == log_message + assert self.regex_pattern.match(log_contents["spider"]) + assert log_contents["important_info"] == extra["important_info"] + + def test_warning_logging(self): + log_message = "Baz message" + extra = {"important_info": "baz"} + self.spider.log_warning(log_message, extra) + log_contents = self.log_stream.getvalue() + log_contents = json.loads(log_contents) + + assert log_contents["levelname"] == "WARNING" + assert log_contents["message"] == log_message + assert self.regex_pattern.match(log_contents["spider"]) + assert log_contents["important_info"] == extra["important_info"] + + def test_error_logging(self): + log_message = "Foo bar message" + extra = {"important_info": "foo bar"} + self.spider.log_error(log_message, extra) + log_contents = self.log_stream.getvalue() + log_contents = json.loads(log_contents) + + assert log_contents["levelname"] == "ERROR" + assert log_contents["message"] == log_message + assert self.regex_pattern.match(log_contents["spider"]) + assert log_contents["important_info"] == extra["important_info"] + + def test_critical_logging(self): + log_message = "Foo bar baz message" + extra = {"important_info": "foo bar baz"} + self.spider.log_critical(log_message, extra) + log_contents = self.log_stream.getvalue() + log_contents = json.loads(log_contents) + + assert log_contents["levelname"] == "CRITICAL" + assert log_contents["message"] == log_message + assert self.regex_pattern.match(log_contents["spider"]) + assert log_contents["important_info"] == extra["important_info"] + + def test_overwrite_spider_extra(self): + log_message = "Foo message" + extra = {"important_info": "foo", "spider": "shouldn't change"} + self.spider.log_error(log_message, extra) + log_contents = self.log_stream.getvalue() + log_contents = json.loads(log_contents) + + assert log_contents["levelname"] == "ERROR" + assert log_contents["message"] == log_message + assert self.regex_pattern.match(log_contents["spider"]) + assert log_contents["important_info"] == extra["important_info"] From d2f1e00a6afa46c26a334a24217d5bf605bab9fb Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Tue, 14 May 2024 18:54:11 +0200 Subject: [PATCH 177/786] Merge 2.11.2 changes (#6363) --- .bumpversion.cfg | 2 +- docs/faq.rst | 40 +- docs/news.rst | 116 +- docs/topics/benchmarking.rst | 4 +- docs/topics/downloader-middleware.rst | 44 +- docs/topics/settings.rst | 2 +- docs/topics/signals.rst | 11 +- docs/topics/spider-middleware.rst | 40 +- docs/topics/spiders.rst | 3 +- scrapy/VERSION | 2 +- scrapy/core/engine.py | 17 +- scrapy/downloadermiddlewares/httpproxy.py | 19 +- scrapy/downloadermiddlewares/offsite.py | 77 ++ scrapy/downloadermiddlewares/redirect.py | 62 +- scrapy/settings/default_settings.py | 2 +- scrapy/spidermiddlewares/offsite.py | 8 +- scrapy/utils/python.py | 2 +- tests/test_downloadermiddleware.py | 8 +- tests/test_downloadermiddleware_offsite.py | 184 +++ tests/test_downloadermiddleware_redirect.py | 1359 +++++++++++++++---- tests/test_engine.py | 40 +- tests/test_utils_project.py | 21 +- tox.ini | 17 +- 23 files changed, 1726 insertions(+), 354 deletions(-) create mode 100644 scrapy/downloadermiddlewares/offsite.py create mode 100644 tests/test_downloadermiddleware_offsite.py diff --git a/.bumpversion.cfg b/.bumpversion.cfg index 968a34d96..599cd0cff 100644 --- a/.bumpversion.cfg +++ b/.bumpversion.cfg @@ -1,5 +1,5 @@ [bumpversion] -current_version = 2.11.1 +current_version = 2.11.2 commit = True tag = True tag_name = {new_version} diff --git a/docs/faq.rst b/docs/faq.rst index 7090f0bcd..d394406e8 100644 --- a/docs/faq.rst +++ b/docs/faq.rst @@ -138,39 +138,37 @@ See previous question. How can I prevent memory errors due to many allowed domains? ------------------------------------------------------------ -If you have a spider with a long list of -:attr:`~scrapy.Spider.allowed_domains` (e.g. 50,000+), consider -replacing the default -:class:`~scrapy.spidermiddlewares.offsite.OffsiteMiddleware` spider middleware -with a :ref:`custom spider middleware ` that requires -less memory. For example: +If you have a spider with a long list of :attr:`~scrapy.Spider.allowed_domains` +(e.g. 50,000+), consider replacing the default +:class:`~scrapy.downloadermiddlewares.offsite.OffsiteMiddleware` downloader +middleware with a :ref:`custom downloader middleware +` that requires less memory. For example: - If your domain names are similar enough, use your own regular expression - instead joining the strings in - :attr:`~scrapy.Spider.allowed_domains` into a complex regular - expression. + instead joining the strings in :attr:`~scrapy.Spider.allowed_domains` into + a complex regular expression. - If you can `meet the installation requirements`_, use pyre2_ instead of Python’s re_ to compile your URL-filtering regular expression. See :issue:`1908`. -See also other suggestions at `StackOverflow`_. +See also `other suggestions at StackOverflow +`__. .. note:: Remember to disable - :class:`scrapy.spidermiddlewares.offsite.OffsiteMiddleware` when you enable - your custom implementation: + :class:`scrapy.downloadermiddlewares.offsite.OffsiteMiddleware` when you + enable your custom implementation: .. code-block:: python - SPIDER_MIDDLEWARES = { - "scrapy.spidermiddlewares.offsite.OffsiteMiddleware": None, - "myproject.middlewares.CustomOffsiteMiddleware": 500, + DOWNLOADER_MIDDLEWARES = { + "scrapy.downloadermiddlewares.offsite.OffsiteMiddleware": None, + "myproject.middlewares.CustomOffsiteMiddleware": 50, } .. _meet the installation requirements: https://github.com/andreasvc/pyre2#installation .. _pyre2: https://github.com/andreasvc/pyre2 .. _re: https://docs.python.org/library/re.html -.. _StackOverflow: https://stackoverflow.com/q/36440681/939364 Can I use Basic HTTP Authentication in my spiders? -------------------------------------------------- @@ -206,12 +204,10 @@ I get "Filtered offsite request" messages. How can I fix them? Those messages (logged with ``DEBUG`` level) don't necessarily mean there is a problem, so you may not need to fix them. -Those messages are thrown by the Offsite Spider Middleware, which is a spider -middleware (enabled by default) whose purpose is to filter out requests to -domains outside the ones covered by the spider. - -For more info see: -:class:`~scrapy.spidermiddlewares.offsite.OffsiteMiddleware`. +Those messages are thrown by +:class:`~scrapy.downloadermiddlewares.offsite.OffsiteMiddleware`, which is a +downloader middleware (enabled by default) whose purpose is to filter out +requests to domains outside the ones covered by the spider. What is the recommended way to deploy a Scrapy crawler in production? --------------------------------------------------------------------- diff --git a/docs/news.rst b/docs/news.rst index 7db4e59a1..758b22d80 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -3,7 +3,6 @@ Release notes ============= - .. _release-VERSION: Scrapy VERSION (YYYY-MM-DD) @@ -12,11 +11,122 @@ Scrapy VERSION (YYYY-MM-DD) Deprecations ~~~~~~~~~~~~ -- :func:`scrapy.core.downloader.Downloader._get_slot_key` is now deprecated. - Consider using its corresponding public method get_slot_key() instead. +- :meth:`scrapy.core.downloader.Downloader._get_slot_key` is deprecated, use + :meth:`scrapy.core.downloader.Downloader.get_slot_key` instead. (:issue:`6340`) +.. _release-2.11.2: + +Scrapy 2.11.2 (2024-05-14) +-------------------------- + +Security bug fixes +~~~~~~~~~~~~~~~~~~ + +- Redirects to non-HTTP protocols are no longer followed. Please, see the + `23j4-mw76-5v7h security advisory`_ for more information. (:issue:`457`) + + .. _23j4-mw76-5v7h security advisory: https://github.com/scrapy/scrapy/security/advisories/GHSA-23j4-mw76-5v7h + +- The ``Authorization`` header is now dropped on redirects to a different + scheme (``http://`` or ``https://``) or port, even if the domain is the + same. Please, see the `4qqq-9vqf-3h3f security advisory`_ for more + information. + + .. _4qqq-9vqf-3h3f security advisory: https://github.com/scrapy/scrapy/security/advisories/GHSA-4qqq-9vqf-3h3f + +- When using system proxy settings that are different for ``http://`` and + ``https://``, redirects to a different URL scheme will now also trigger the + corresponding change in proxy settings for the redirected request. Please, + see the `jm3v-qxmh-hxwv security advisory`_ for more information. + (:issue:`767`) + + .. _jm3v-qxmh-hxwv security advisory: https://github.com/scrapy/scrapy/security/advisories/GHSA-jm3v-qxmh-hxwv + +- :attr:`Spider.allowed_domains ` is now + enforced for all requests, and not only requests from spider callbacks. + (:issue:`1042`, :issue:`2241`, :issue:`6358`) + +- :func:`~scrapy.utils.iterators.xmliter_lxml` no longer resolves XML + entities. (:issue:`6265`) + +- defusedxml_ is now used to make + :class:`scrapy.http.request.rpc.XmlRpcRequest` more secure. + (:issue:`6250`, :issue:`6251`) + + .. _defusedxml: https://github.com/tiran/defusedxml + +Bug fixes +~~~~~~~~~ + +- Restored support for brotlipy_, which had been dropped in Scrapy 2.11.1 in + favor of brotli_. (:issue:`6261`) + + .. _brotli: https://github.com/google/brotli + + .. note:: brotlipy is deprecated, both in Scrapy and upstream. Use brotli + instead if you can. + +- Make :setting:`METAREFRESH_IGNORE_TAGS` ``["noscript"]`` by default. This + prevents + :class:`~scrapy.downloadermiddlewares.redirect.MetaRefreshMiddleware` from + following redirects that would not be followed by web browsers with + JavaScript enabled. (:issue:`6342`, :issue:`6347`) + +- During :ref:`feed export `, do not close the + underlying file from :ref:`built-in post-processing plugins + `. + (:issue:`5932`, :issue:`6178`, :issue:`6239`) + +- :class:`LinkExtractor ` + now properly applies the ``unique`` and ``canonicalize`` parameters. + (:issue:`3273`, :issue:`6221`) + +- Do not initialize the scheduler disk queue if :setting:`JOBDIR` is an empty + string. (:issue:`6121`, :issue:`6124`) + +- Fix :attr:`Spider.logger ` not logging custom extra + information. (:issue:`6323`, :issue:`6324`) + +- ``robots.txt`` files with a non-UTF-8 encoding no longer prevent parsing + the UTF-8-compatible (e.g. ASCII) parts of the document. + (:issue:`6292`, :issue:`6298`) + +- :meth:`scrapy.http.cookies.WrappedRequest.get_header` no longer raises an + exception if ``default`` is ``None``. + (:issue:`6308`, :issue:`6310`) + +- :class:`~scrapy.selector.Selector` now uses + :func:`scrapy.utils.response.get_base_url` to determine the base URL of a + given :class:`~scrapy.http.Response`. (:issue:`6265`) + +- The :meth:`media_to_download` method of :ref:`media pipelines + ` now logs exceptions before stripping them. + (:issue:`5067`, :issue:`5068`) + +- When passing a callback to the :command:`parse` command, build the callback + callable with the right signature. + (:issue:`6182`) + +Documentation +~~~~~~~~~~~~~ + +- Add a FAQ entry about :ref:`creating blank requests `. + (:issue:`6203`, :issue:`6208`) + +- Document that :attr:`scrapy.selector.Selector.type` can be ``"json"``. + (:issue:`6328`, :issue:`6334`) + +Quality assurance +~~~~~~~~~~~~~~~~~ + +- Make builds reproducible. (:issue:`5019`, :issue:`6322`) + +- Packaging and test fixes. + (:issue:`6286`, :issue:`6290`, :issue:`6312`, :issue:`6316`, :issue:`6344`) + + .. _release-2.11.1: Scrapy 2.11.1 (2024-02-14) diff --git a/docs/topics/benchmarking.rst b/docs/topics/benchmarking.rst index 0643df6a6..b704e54ed 100644 --- a/docs/topics/benchmarking.rst +++ b/docs/topics/benchmarking.rst @@ -24,7 +24,8 @@ You should see an output like this:: 'scrapy.extensions.telnet.TelnetConsole', 'scrapy.extensions.corestats.CoreStats'] 2016-12-16 21:18:49 [scrapy.middleware] INFO: Enabled downloader middlewares: - ['scrapy.downloadermiddlewares.robotstxt.RobotsTxtMiddleware', + ['scrapy.downloadermiddlewares.offsite.OffsiteMiddleware', + 'scrapy.downloadermiddlewares.robotstxt.RobotsTxtMiddleware', 'scrapy.downloadermiddlewares.httpauth.HttpAuthMiddleware', 'scrapy.downloadermiddlewares.downloadtimeout.DownloadTimeoutMiddleware', 'scrapy.downloadermiddlewares.defaultheaders.DefaultHeadersMiddleware', @@ -37,7 +38,6 @@ You should see an output like this:: 'scrapy.downloadermiddlewares.stats.DownloaderStats'] 2016-12-16 21:18:49 [scrapy.middleware] INFO: Enabled spider middlewares: ['scrapy.spidermiddlewares.httperror.HttpErrorMiddleware', - 'scrapy.spidermiddlewares.offsite.OffsiteMiddleware', 'scrapy.spidermiddlewares.referer.RefererMiddleware', 'scrapy.spidermiddlewares.urllength.UrlLengthMiddleware', 'scrapy.spidermiddlewares.depth.DepthMiddleware'] diff --git a/docs/topics/downloader-middleware.rst b/docs/topics/downloader-middleware.rst index d4cd062fe..c31f7fe43 100644 --- a/docs/topics/downloader-middleware.rst +++ b/docs/topics/downloader-middleware.rst @@ -763,6 +763,44 @@ HttpProxyMiddleware Keep in mind this value will take precedence over ``http_proxy``/``https_proxy`` environment variables, and it will also ignore ``no_proxy`` environment variable. +OffsiteMiddleware +----------------- + +.. module:: scrapy.downloadermiddlewares.offsite + :synopsis: Offsite Middleware + +.. class:: OffsiteMiddleware + + .. versionadded:: 2.11.2 + + Filters out Requests for URLs outside the domains covered by the spider. + + This middleware filters out every request whose host names aren't in the + spider's :attr:`~scrapy.Spider.allowed_domains` attribute. + All subdomains of any domain in the list are also allowed. + E.g. the rule ``www.example.org`` will also allow ``bob.www.example.org`` + but not ``www2.example.com`` nor ``example.com``. + + When your spider returns a request for a domain not belonging to those + covered by the spider, this middleware will log a debug message similar to + this one:: + + DEBUG: Filtered offsite request to 'offsite.example': + + To avoid filling the log with too much noise, it will only print one of + these messages for each new domain filtered. So, for example, if another + request for ``offsite.example`` is filtered, no log message will be + printed. But if a request for ``other.example`` is filtered, a message + will be printed (but only for the first request filtered). + + If the spider doesn't define an + :attr:`~scrapy.Spider.allowed_domains` attribute, or the + attribute is empty, the offsite middleware will allow all requests. + + If the request has the :attr:`~scrapy.Request.dont_filter` attribute + set, the offsite middleware will allow the request even if its domain is not + listed in allowed domains. + RedirectMiddleware ------------------ @@ -882,7 +920,11 @@ Meta tags within these tags are ignored. .. versionchanged:: 2.0 The default value of :setting:`METAREFRESH_IGNORE_TAGS` changed from - ``['script', 'noscript']`` to ``[]``. + ``["script", "noscript"]`` to ``[]``. + +.. versionchanged:: 2.11.2 + The default value of :setting:`METAREFRESH_IGNORE_TAGS` changed from + ``[]`` to ``["noscript"]``. .. versionchanged:: VERSION The default value of :setting:`METAREFRESH_IGNORE_TAGS` changed from diff --git a/docs/topics/settings.rst b/docs/topics/settings.rst index 2bd9cf1ed..904bd7ecc 100644 --- a/docs/topics/settings.rst +++ b/docs/topics/settings.rst @@ -674,6 +674,7 @@ Default: .. code-block:: python { + "scrapy.downloadermiddlewares.offsite.OffsiteMiddleware": 50, "scrapy.downloadermiddlewares.robotstxt.RobotsTxtMiddleware": 100, "scrapy.downloadermiddlewares.httpauth.HttpAuthMiddleware": 300, "scrapy.downloadermiddlewares.downloadtimeout.DownloadTimeoutMiddleware": 350, @@ -1613,7 +1614,6 @@ Default: { "scrapy.spidermiddlewares.httperror.HttpErrorMiddleware": 50, - "scrapy.spidermiddlewares.offsite.OffsiteMiddleware": 500, "scrapy.spidermiddlewares.referer.RefererMiddleware": 700, "scrapy.spidermiddlewares.urllength.UrlLengthMiddleware": 800, "scrapy.spidermiddlewares.depth.DepthMiddleware": 900, diff --git a/docs/topics/signals.rst b/docs/topics/signals.rst index 9bfd1761c..13e636055 100644 --- a/docs/topics/signals.rst +++ b/docs/topics/signals.rst @@ -343,11 +343,18 @@ request_scheduled .. signal:: request_scheduled .. function:: request_scheduled(request, spider) - Sent when the engine schedules a :class:`~scrapy.Request`, to be - downloaded later. + Sent when the engine is asked to schedule a :class:`~scrapy.Request`, to be + downloaded later, before the request reaches the :ref:`scheduler + `. + + Raise :exc:`~scrapy.exceptions.IgnoreRequest` to drop a request before it + reaches the scheduler. This signal does not support returning deferreds from its handlers. + .. versionadded:: 2.11.2 + Allow dropping requests with :exc:`~scrapy.exceptions.IgnoreRequest`. + :param request: the request that reached the scheduler :type request: :class:`~scrapy.Request` object diff --git a/docs/topics/spider-middleware.rst b/docs/topics/spider-middleware.rst index 3f16efea5..8ddf17a14 100644 --- a/docs/topics/spider-middleware.rst +++ b/docs/topics/spider-middleware.rst @@ -51,8 +51,8 @@ value. For example, if you want to disable the off-site middleware: .. code-block:: python SPIDER_MIDDLEWARES = { - "myproject.middlewares.CustomSpiderMiddleware": 543, - "scrapy.spidermiddlewares.offsite.OffsiteMiddleware": None, + "scrapy.spidermiddlewares.referer.RefererMiddleware": None, + "myproject.middlewares.CustomRefererSpiderMiddleware": 700, } Finally, keep in mind that some middlewares may need to be enabled through a @@ -313,42 +313,6 @@ Default: ``False`` Pass all responses, regardless of its status code. -OffsiteMiddleware ------------------ - -.. module:: scrapy.spidermiddlewares.offsite - :synopsis: Offsite Spider Middleware - -.. class:: OffsiteMiddleware - - Filters out Requests for URLs outside the domains covered by the spider. - - This middleware filters out every request whose host names aren't in the - spider's :attr:`~scrapy.Spider.allowed_domains` attribute. - All subdomains of any domain in the list are also allowed. - E.g. the rule ``www.example.org`` will also allow ``bob.www.example.org`` - but not ``www2.example.com`` nor ``example.com``. - - When your spider returns a request for a domain not belonging to those - covered by the spider, this middleware will log a debug message similar to - this one:: - - DEBUG: Filtered offsite request to 'www.othersite.com': - - To avoid filling the log with too much noise, it will only print one of - these messages for each new domain filtered. So, for example, if another - request for ``www.othersite.com`` is filtered, no log message will be - printed. But if a request for ``someothersite.com`` is filtered, a message - will be printed (but only for the first request filtered). - - If the spider doesn't define an - :attr:`~scrapy.Spider.allowed_domains` attribute, or the - attribute is empty, the offsite middleware will allow all requests. - - If the request has the :attr:`~scrapy.Request.dont_filter` attribute - set, the offsite middleware will allow the request even if its domain is not - listed in allowed domains. - RefererMiddleware ----------------- diff --git a/docs/topics/spiders.rst b/docs/topics/spiders.rst index 30677fe74..8a0102a51 100644 --- a/docs/topics/spiders.rst +++ b/docs/topics/spiders.rst @@ -75,7 +75,8 @@ scrapy.Spider An optional list of strings containing domains that this spider is allowed to crawl. Requests for URLs not belonging to the domain names specified in this list (or their subdomains) won't be followed if - :class:`~scrapy.spidermiddlewares.offsite.OffsiteMiddleware` is enabled. + :class:`~scrapy.downloadermiddlewares.offsite.OffsiteMiddleware` is + enabled. Let's say your target url is ``https://www.example.com/1.html``, then add ``'example.com'`` to the list. diff --git a/scrapy/VERSION b/scrapy/VERSION index 6ceb272ee..9e5bb77a3 100644 --- a/scrapy/VERSION +++ b/scrapy/VERSION @@ -1 +1 @@ -2.11.1 +2.11.2 diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index 6bf3f3e26..4eca03800 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -28,7 +28,7 @@ from twisted.python.failure import Failure from scrapy import signals from scrapy.core.downloader import Downloader from scrapy.core.scraper import Scraper -from scrapy.exceptions import CloseSpider, DontCloseSpider +from scrapy.exceptions import CloseSpider, DontCloseSpider, IgnoreRequest from scrapy.http import Request, Response from scrapy.logformatter import LogFormatter from scrapy.settings import BaseSettings, Settings @@ -36,6 +36,7 @@ from scrapy.signalmanager import SignalManager from scrapy.spiders import Spider from scrapy.utils.log import failure_to_exc_info, logformatter_adapter from scrapy.utils.misc import build_from_crawler, load_object +from scrapy.utils.python import global_object_name from scrapy.utils.reactor import CallLaterOnce if TYPE_CHECKING: @@ -292,9 +293,19 @@ class ExecutionEngine: self.slot.nextcall.schedule() # type: ignore[union-attr] def _schedule_request(self, request: Request, spider: Spider) -> None: - self.signals.send_catch_log( - signals.request_scheduled, request=request, spider=spider + request_scheduled_result = self.signals.send_catch_log( + signals.request_scheduled, + request=request, + spider=spider, + dont_log=IgnoreRequest, ) + for handler, result in request_scheduled_result: + if isinstance(result, Failure) and isinstance(result.value, IgnoreRequest): + logger.debug( + f"Signal handler {global_object_name(handler)} dropped " + f"request {request} before it reached the scheduler." + ) + return if not self.slot.scheduler.enqueue_request(request): # type: ignore[union-attr] self.signals.send_catch_log( signals.request_dropped, request=request, spider=spider diff --git a/scrapy/downloadermiddlewares/httpproxy.py b/scrapy/downloadermiddlewares/httpproxy.py index 335896ac1..5b56ad449 100644 --- a/scrapy/downloadermiddlewares/httpproxy.py +++ b/scrapy/downloadermiddlewares/httpproxy.py @@ -60,26 +60,33 @@ class HttpProxyMiddleware: def process_request( self, request: Request, spider: Spider ) -> Union[Request, Response, None]: - creds, proxy_url = None, None + creds, proxy_url, scheme = None, None, None if "proxy" in request.meta: if request.meta["proxy"] is not None: creds, proxy_url = self._get_proxy(request.meta["proxy"], "") elif self.proxies: parsed = urlparse_cached(request) - scheme = parsed.scheme + _scheme = parsed.scheme if ( # 'no_proxy' is only supported by http schemes - scheme not in ("http", "https") + _scheme not in ("http", "https") or (parsed.hostname and not proxy_bypass(parsed.hostname)) - ) and scheme in self.proxies: + ) and _scheme in self.proxies: + scheme = _scheme creds, proxy_url = self.proxies[scheme] - self._set_proxy_and_creds(request, proxy_url, creds) + self._set_proxy_and_creds(request, proxy_url, creds, scheme) return None def _set_proxy_and_creds( - self, request: Request, proxy_url: Optional[str], creds: Optional[bytes] + self, + request: Request, + proxy_url: Optional[str], + creds: Optional[bytes], + scheme: Optional[str], ) -> None: + if scheme: + request.meta["_scheme_proxy"] = True if proxy_url: request.meta["proxy"] = proxy_url elif request.meta.get("proxy") is not None: diff --git a/scrapy/downloadermiddlewares/offsite.py b/scrapy/downloadermiddlewares/offsite.py new file mode 100644 index 000000000..1e5026925 --- /dev/null +++ b/scrapy/downloadermiddlewares/offsite.py @@ -0,0 +1,77 @@ +import logging +import re +import warnings + +from scrapy import signals +from scrapy.exceptions import IgnoreRequest +from scrapy.utils.httpobj import urlparse_cached + +logger = logging.getLogger(__name__) + + +class OffsiteMiddleware: + @classmethod + def from_crawler(cls, crawler): + o = cls(crawler.stats) + crawler.signals.connect(o.spider_opened, signal=signals.spider_opened) + crawler.signals.connect(o.request_scheduled, signal=signals.request_scheduled) + return o + + def __init__(self, stats): + self.stats = stats + self.domains_seen = set() + + def spider_opened(self, spider): + self.host_regex = self.get_host_regex(spider) + + def request_scheduled(self, request, spider): + self.process_request(request, spider) + + def process_request(self, request, spider): + if request.dont_filter or self.should_follow(request, spider): + return None + domain = urlparse_cached(request).hostname + if domain and domain not in self.domains_seen: + self.domains_seen.add(domain) + logger.debug( + "Filtered offsite request to %(domain)r: %(request)s", + {"domain": domain, "request": request}, + extra={"spider": spider}, + ) + self.stats.inc_value("offsite/domains", spider=spider) + self.stats.inc_value("offsite/filtered", spider=spider) + raise IgnoreRequest + + def should_follow(self, request, spider): + regex = self.host_regex + # hostname can be None for wrong urls (like javascript links) + host = urlparse_cached(request).hostname or "" + return bool(regex.search(host)) + + def get_host_regex(self, spider): + """Override this method to implement a different offsite policy""" + allowed_domains = getattr(spider, "allowed_domains", None) + if not allowed_domains: + return re.compile("") # allow all by default + url_pattern = re.compile(r"^https?://.*$") + port_pattern = re.compile(r":\d+$") + domains = [] + for domain in allowed_domains: + if domain is None: + continue + if url_pattern.match(domain): + message = ( + "allowed_domains accepts only domains, not URLs. " + f"Ignoring URL entry {domain} in allowed_domains." + ) + warnings.warn(message) + elif port_pattern.search(domain): + message = ( + "allowed_domains accepts only domains without ports. " + f"Ignoring entry {domain} in allowed_domains." + ) + warnings.warn(message) + else: + domains.append(re.escape(domain)) + regex = rf'^(.*\.)?({"|".join(domains)})$' + return re.compile(regex) diff --git a/scrapy/downloadermiddlewares/redirect.py b/scrapy/downloadermiddlewares/redirect.py index 24089afea..aa08827c4 100644 --- a/scrapy/downloadermiddlewares/redirect.py +++ b/scrapy/downloadermiddlewares/redirect.py @@ -29,17 +29,49 @@ def _build_redirect_request( **kwargs, cookies=None, ) + if "_scheme_proxy" in redirect_request.meta: + source_request_scheme = urlparse_cached(source_request).scheme + redirect_request_scheme = urlparse_cached(redirect_request).scheme + if source_request_scheme != redirect_request_scheme: + redirect_request.meta.pop("_scheme_proxy") + redirect_request.meta.pop("proxy", None) + redirect_request.meta.pop("_auth_proxy", None) + redirect_request.headers.pop(b"Proxy-Authorization", None) has_cookie_header = "Cookie" in redirect_request.headers has_authorization_header = "Authorization" in redirect_request.headers if has_cookie_header or has_authorization_header: - source_request_netloc = urlparse_cached(source_request).netloc - redirect_request_netloc = urlparse_cached(redirect_request).netloc - if source_request_netloc != redirect_request_netloc: - if has_cookie_header: - del redirect_request.headers["Cookie"] - # https://fetch.spec.whatwg.org/#ref-for-cors-non-wildcard-request-header-name - if has_authorization_header: - del redirect_request.headers["Authorization"] + default_ports = {"http": 80, "https": 443} + + parsed_source_request = urlparse_cached(source_request) + source_scheme, source_host, source_port = ( + parsed_source_request.scheme, + parsed_source_request.hostname, + parsed_source_request.port + or default_ports.get(parsed_source_request.scheme), + ) + + parsed_redirect_request = urlparse_cached(redirect_request) + redirect_scheme, redirect_host, redirect_port = ( + parsed_redirect_request.scheme, + parsed_redirect_request.hostname, + parsed_redirect_request.port + or default_ports.get(parsed_redirect_request.scheme), + ) + + if has_cookie_header and ( + redirect_scheme not in {source_scheme, "https"} + or source_host != redirect_host + ): + del redirect_request.headers["Cookie"] + + # https://fetch.spec.whatwg.org/#ref-for-cors-non-wildcard-request-header-name + if has_authorization_header and ( + source_scheme != redirect_scheme + or source_host != redirect_host + or source_port != redirect_port + ): + del redirect_request.headers["Authorization"] + return redirect_request @@ -129,9 +161,11 @@ class RedirectMiddleware(BaseRedirectMiddleware): location = request_scheme + "://" + location.lstrip("/") redirected_url = urljoin(request.url, location) + redirected = _build_redirect_request(request, url=redirected_url) + if urlparse_cached(redirected).scheme not in {"http", "https"}: + return response if response.status in (301, 307, 308) or request.method == "HEAD": - redirected = _build_redirect_request(request, url=redirected_url) return self._redirect(redirected, request, spider, response.status) redirected = self._redirect_request_using_get(request, redirected_url) @@ -153,12 +187,16 @@ class MetaRefreshMiddleware(BaseRedirectMiddleware): request.meta.get("dont_redirect", False) or request.method == "HEAD" or not isinstance(response, HtmlResponse) + or urlparse_cached(request).scheme not in {"http", "https"} ): return response interval, url = get_meta_refresh(response, ignore_tags=self._ignore_tags) - if url and cast(float, interval) < self._maxdelay: - redirected = self._redirect_request_using_get(request, url) + if not url: + return response + redirected = self._redirect_request_using_get(request, url) + if urlparse_cached(redirected).scheme not in {"http", "https"}: + return response + if cast(float, interval) < self._maxdelay: return self._redirect(redirected, request, spider, "meta refresh") - return response diff --git a/scrapy/settings/default_settings.py b/scrapy/settings/default_settings.py index d7ac7ec35..932475fb5 100644 --- a/scrapy/settings/default_settings.py +++ b/scrapy/settings/default_settings.py @@ -101,6 +101,7 @@ DOWNLOADER_MIDDLEWARES = {} DOWNLOADER_MIDDLEWARES_BASE = { # Engine side + "scrapy.downloadermiddlewares.offsite.OffsiteMiddleware": 50, "scrapy.downloadermiddlewares.robotstxt.RobotsTxtMiddleware": 100, "scrapy.downloadermiddlewares.httpauth.HttpAuthMiddleware": 300, "scrapy.downloadermiddlewares.downloadtimeout.DownloadTimeoutMiddleware": 350, @@ -301,7 +302,6 @@ SPIDER_MIDDLEWARES = {} SPIDER_MIDDLEWARES_BASE = { # Engine side "scrapy.spidermiddlewares.httperror.HttpErrorMiddleware": 50, - "scrapy.spidermiddlewares.offsite.OffsiteMiddleware": 500, "scrapy.spidermiddlewares.referer.RefererMiddleware": 700, "scrapy.spidermiddlewares.urllength.UrlLengthMiddleware": 800, "scrapy.spidermiddlewares.depth.DepthMiddleware": 900, diff --git a/scrapy/spidermiddlewares/offsite.py b/scrapy/spidermiddlewares/offsite.py index dd2fccfcb..50c93ac9f 100644 --- a/scrapy/spidermiddlewares/offsite.py +++ b/scrapy/spidermiddlewares/offsite.py @@ -13,15 +13,21 @@ from typing import TYPE_CHECKING, Any, AsyncIterable, Iterable, Set from scrapy import Spider, signals from scrapy.crawler import Crawler +from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.http import Request, Response from scrapy.statscollectors import StatsCollector from scrapy.utils.httpobj import urlparse_cached +warnings.warn( + "The scrapy.spidermiddlewares.offsite module is deprecated, use " + "scrapy.downloadermiddlewares.offsite instead.", + ScrapyDeprecationWarning, +) + if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self - logger = logging.getLogger(__name__) diff --git a/scrapy/utils/python.py b/scrapy/utils/python.py index 5d2d490b2..578cde2ac 100644 --- a/scrapy/utils/python.py +++ b/scrapy/utils/python.py @@ -331,7 +331,7 @@ def global_object_name(obj: Any) -> str: >>> global_object_name(Request) 'scrapy.http.request.Request' """ - return f"{obj.__module__}.{obj.__name__}" + return f"{obj.__module__}.{obj.__qualname__}" if hasattr(sys, "pypy_version_info"): diff --git a/tests/test_downloadermiddleware.py b/tests/test_downloadermiddleware.py index 062e8a8b4..0155c62eb 100644 --- a/tests/test_downloadermiddleware.py +++ b/tests/test_downloadermiddleware.py @@ -22,13 +22,11 @@ class ManagerTestCase(TestCase): self.crawler = get_crawler(Spider, self.settings_dict) self.spider = self.crawler._create_spider("foo") self.mwman = DownloaderMiddlewareManager.from_crawler(self.crawler) - # some mw depends on stats collector - self.crawler.stats.open_spider(self.spider) - return self.mwman.open_spider(self.spider) + self.crawler.engine = self.crawler._create_engine() + return self.crawler.engine.open_spider(self.spider, start_requests=()) def tearDown(self): - self.crawler.stats.close_spider(self.spider, "") - return self.mwman.close_spider(self.spider) + return self.crawler.engine.close_spider(self.spider) def _download(self, request, response=None): """Executes downloader mw manager's download method and returns diff --git a/tests/test_downloadermiddleware_offsite.py b/tests/test_downloadermiddleware_offsite.py new file mode 100644 index 000000000..d4669f450 --- /dev/null +++ b/tests/test_downloadermiddleware_offsite.py @@ -0,0 +1,184 @@ +import pytest + +from scrapy import Request, Spider +from scrapy.downloadermiddlewares.offsite import OffsiteMiddleware +from scrapy.exceptions import IgnoreRequest +from scrapy.utils.test import get_crawler + +UNSET = object() + + +@pytest.mark.parametrize( + ("allowed_domain", "url", "allowed"), + ( + ("example.com", "http://example.com/1", True), + ("example.com", "http://example.org/1", False), + ("example.com", "http://sub.example.com/1", True), + ("sub.example.com", "http://sub.example.com/1", True), + ("sub.example.com", "http://example.com/1", False), + ("example.com", "http://example.com:8000/1", True), + ("example.com", "http://example.org/example.com", False), + ("example.com", "http://example.org/foo.example.com", False), + ("example.com", "http://example.com.example", False), + ("a.example", "http://nota.example", False), + ("b.a.example", "http://notb.a.example", False), + ), +) +def test_process_request_domain_filtering(allowed_domain, url, allowed): + crawler = get_crawler(Spider) + spider = crawler._create_spider(name="a", allowed_domains=[allowed_domain]) + mw = OffsiteMiddleware.from_crawler(crawler) + mw.spider_opened(spider) + request = Request(url) + if allowed: + assert mw.process_request(request, spider) is None + else: + with pytest.raises(IgnoreRequest): + mw.process_request(request, spider) + + +@pytest.mark.parametrize( + ("value", "filtered"), + ( + (UNSET, True), + (None, True), + (False, True), + (True, False), + ), +) +def test_process_request_dont_filter(value, filtered): + crawler = get_crawler(Spider) + spider = crawler._create_spider(name="a", allowed_domains=["a.example"]) + mw = OffsiteMiddleware.from_crawler(crawler) + mw.spider_opened(spider) + kwargs = {} + if value is not UNSET: + kwargs["dont_filter"] = value + request = Request("https://b.example", **kwargs) + if filtered: + with pytest.raises(IgnoreRequest): + mw.process_request(request, spider) + else: + assert mw.process_request(request, spider) is None + + +@pytest.mark.parametrize( + "value", + ( + UNSET, + None, + [], + ), +) +def test_process_request_no_allowed_domains(value): + crawler = get_crawler(Spider) + kwargs = {} + if value is not UNSET: + kwargs["allowed_domains"] = value + spider = crawler._create_spider(name="a", **kwargs) + mw = OffsiteMiddleware.from_crawler(crawler) + mw.spider_opened(spider) + request = Request("https://example.com") + assert mw.process_request(request, spider) is None + + +def test_process_request_invalid_domains(): + crawler = get_crawler(Spider) + allowed_domains = ["a.example", None, "http:////b.example", "//c.example"] + spider = crawler._create_spider(name="a", allowed_domains=allowed_domains) + mw = OffsiteMiddleware.from_crawler(crawler) + mw.spider_opened(spider) + request = Request("https://a.example") + assert mw.process_request(request, spider) is None + for letter in ("b", "c"): + request = Request(f"https://{letter}.example") + with pytest.raises(IgnoreRequest): + mw.process_request(request, spider) + + +@pytest.mark.parametrize( + ("allowed_domain", "url", "allowed"), + ( + ("example.com", "http://example.com/1", True), + ("example.com", "http://example.org/1", False), + ("example.com", "http://sub.example.com/1", True), + ("sub.example.com", "http://sub.example.com/1", True), + ("sub.example.com", "http://example.com/1", False), + ("example.com", "http://example.com:8000/1", True), + ("example.com", "http://example.org/example.com", False), + ("example.com", "http://example.org/foo.example.com", False), + ("example.com", "http://example.com.example", False), + ("a.example", "http://nota.example", False), + ("b.a.example", "http://notb.a.example", False), + ), +) +def test_request_scheduled_domain_filtering(allowed_domain, url, allowed): + crawler = get_crawler(Spider) + spider = crawler._create_spider(name="a", allowed_domains=[allowed_domain]) + mw = OffsiteMiddleware.from_crawler(crawler) + mw.spider_opened(spider) + request = Request(url) + if allowed: + assert mw.request_scheduled(request, spider) is None + else: + with pytest.raises(IgnoreRequest): + mw.request_scheduled(request, spider) + + +@pytest.mark.parametrize( + ("value", "filtered"), + ( + (UNSET, True), + (None, True), + (False, True), + (True, False), + ), +) +def test_request_scheduled_dont_filter(value, filtered): + crawler = get_crawler(Spider) + spider = crawler._create_spider(name="a", allowed_domains=["a.example"]) + mw = OffsiteMiddleware.from_crawler(crawler) + mw.spider_opened(spider) + kwargs = {} + if value is not UNSET: + kwargs["dont_filter"] = value + request = Request("https://b.example", **kwargs) + if filtered: + with pytest.raises(IgnoreRequest): + mw.request_scheduled(request, spider) + else: + assert mw.request_scheduled(request, spider) is None + + +@pytest.mark.parametrize( + "value", + ( + UNSET, + None, + [], + ), +) +def test_request_scheduled_no_allowed_domains(value): + crawler = get_crawler(Spider) + kwargs = {} + if value is not UNSET: + kwargs["allowed_domains"] = value + spider = crawler._create_spider(name="a", **kwargs) + mw = OffsiteMiddleware.from_crawler(crawler) + mw.spider_opened(spider) + request = Request("https://example.com") + assert mw.request_scheduled(request, spider) is None + + +def test_request_scheduled_invalid_domains(): + crawler = get_crawler(Spider) + allowed_domains = ["a.example", None, "http:////b.example", "//c.example"] + spider = crawler._create_spider(name="a", allowed_domains=allowed_domains) + mw = OffsiteMiddleware.from_crawler(crawler) + mw.spider_opened(spider) + request = Request("https://a.example") + assert mw.request_scheduled(request, spider) is None + for letter in ("b", "c"): + request = Request(f"https://{letter}.example") + with pytest.raises(IgnoreRequest): + mw.request_scheduled(request, spider) diff --git a/tests/test_downloadermiddleware_redirect.py b/tests/test_downloadermiddleware_redirect.py index 83ff25982..4bfd34fe2 100644 --- a/tests/test_downloadermiddleware_redirect.py +++ b/tests/test_downloadermiddleware_redirect.py @@ -1,5 +1,9 @@ import unittest +from itertools import chain, product +import pytest + +from scrapy.downloadermiddlewares.httpproxy import HttpProxyMiddleware from scrapy.downloadermiddlewares.redirect import ( MetaRefreshMiddleware, RedirectMiddleware, @@ -7,22 +11,1030 @@ from scrapy.downloadermiddlewares.redirect import ( from scrapy.exceptions import IgnoreRequest from scrapy.http import HtmlResponse, Request, Response from scrapy.spiders import Spider +from scrapy.utils.misc import set_environ from scrapy.utils.test import get_crawler -class RedirectMiddlewareTest(unittest.TestCase): +class Base: + class Test(unittest.TestCase): + def test_priority_adjust(self): + req = Request("http://a.com") + rsp = self.get_response(req, "http://a.com/redirected") + req2 = self.mw.process_response(req, rsp, self.spider) + self.assertGreater(req2.priority, req.priority) + + def test_dont_redirect(self): + url = "http://www.example.com/301" + url2 = "http://www.example.com/redirected" + req = Request(url, meta={"dont_redirect": True}) + rsp = self.get_response(req, url2) + + r = self.mw.process_response(req, rsp, self.spider) + assert isinstance(r, Response) + assert r is rsp + + # Test that it redirects when dont_redirect is False + req = Request(url, meta={"dont_redirect": False}) + rsp = self.get_response(req, url2) + + r = self.mw.process_response(req, rsp, self.spider) + assert isinstance(r, Request) + + def test_post(self): + url = "http://www.example.com/302" + url2 = "http://www.example.com/redirected2" + req = Request( + url, + method="POST", + body="test", + headers={"Content-Type": "text/plain", "Content-length": "4"}, + ) + rsp = self.get_response(req, url2) + + req2 = self.mw.process_response(req, rsp, self.spider) + assert isinstance(req2, Request) + self.assertEqual(req2.url, url2) + self.assertEqual(req2.method, "GET") + assert ( + "Content-Type" not in req2.headers + ), "Content-Type header must not be present in redirected request" + assert ( + "Content-Length" not in req2.headers + ), "Content-Length header must not be present in redirected request" + assert not req2.body, f"Redirected body must be empty, not '{req2.body}'" + + def test_max_redirect_times(self): + self.mw.max_redirect_times = 1 + req = Request("http://scrapytest.org/302") + rsp = self.get_response(req, "/redirected") + + req = self.mw.process_response(req, rsp, self.spider) + assert isinstance(req, Request) + assert "redirect_times" in req.meta + self.assertEqual(req.meta["redirect_times"], 1) + self.assertRaises( + IgnoreRequest, self.mw.process_response, req, rsp, self.spider + ) + + def test_ttl(self): + self.mw.max_redirect_times = 100 + req = Request("http://scrapytest.org/302", meta={"redirect_ttl": 1}) + rsp = self.get_response(req, "/a") + + req = self.mw.process_response(req, rsp, self.spider) + assert isinstance(req, Request) + self.assertRaises( + IgnoreRequest, self.mw.process_response, req, rsp, self.spider + ) + + def test_redirect_urls(self): + req1 = Request("http://scrapytest.org/first") + rsp1 = self.get_response(req1, "/redirected") + req2 = self.mw.process_response(req1, rsp1, self.spider) + rsp2 = self.get_response(req1, "/redirected2") + req3 = self.mw.process_response(req2, rsp2, self.spider) + + self.assertEqual(req2.url, "http://scrapytest.org/redirected") + self.assertEqual( + req2.meta["redirect_urls"], ["http://scrapytest.org/first"] + ) + self.assertEqual(req3.url, "http://scrapytest.org/redirected2") + self.assertEqual( + req3.meta["redirect_urls"], + ["http://scrapytest.org/first", "http://scrapytest.org/redirected"], + ) + + def test_redirect_reasons(self): + req1 = Request("http://scrapytest.org/first") + rsp1 = self.get_response(req1, "/redirected1") + req2 = self.mw.process_response(req1, rsp1, self.spider) + rsp2 = self.get_response(req2, "/redirected2") + req3 = self.mw.process_response(req2, rsp2, self.spider) + self.assertEqual(req2.meta["redirect_reasons"], [self.reason]) + self.assertEqual(req3.meta["redirect_reasons"], [self.reason, self.reason]) + + def test_cross_origin_header_dropping(self): + safe_headers = {"A": "B"} + cookie_header = {"Cookie": "a=b"} + authorization_header = {"Authorization": "Bearer 123456"} + + original_request = Request( + "https://example.com", + headers={**safe_headers, **cookie_header, **authorization_header}, + ) + + # Redirects to the same origin (same scheme, same domain, same port) + # keep all headers. + internal_response = self.get_response( + original_request, "https://example.com/a" + ) + internal_redirect_request = self.mw.process_response( + original_request, internal_response, self.spider + ) + self.assertIsInstance(internal_redirect_request, Request) + self.assertEqual( + original_request.headers, internal_redirect_request.headers + ) + + # Redirects to the same origin (same scheme, same domain, same port) + # keep all headers also when the scheme is http. + http_request = Request( + "http://example.com", + headers={**safe_headers, **cookie_header, **authorization_header}, + ) + http_response = self.get_response(http_request, "http://example.com/a") + http_redirect_request = self.mw.process_response( + http_request, http_response, self.spider + ) + self.assertIsInstance(http_redirect_request, Request) + self.assertEqual(http_request.headers, http_redirect_request.headers) + + # For default ports, whether the port is explicit or implicit does not + # affect the outcome, it is still the same origin. + to_explicit_port_response = self.get_response( + original_request, "https://example.com:443/a" + ) + to_explicit_port_redirect_request = self.mw.process_response( + original_request, to_explicit_port_response, self.spider + ) + self.assertIsInstance(to_explicit_port_redirect_request, Request) + self.assertEqual( + original_request.headers, to_explicit_port_redirect_request.headers + ) + + # For default ports, whether the port is explicit or implicit does not + # affect the outcome, it is still the same origin. + to_implicit_port_response = self.get_response( + original_request, "https://example.com/a" + ) + to_implicit_port_redirect_request = self.mw.process_response( + original_request, to_implicit_port_response, self.spider + ) + self.assertIsInstance(to_implicit_port_redirect_request, Request) + self.assertEqual( + original_request.headers, to_implicit_port_redirect_request.headers + ) + + # A port change drops the Authorization header because the origin + # changes, but keeps the Cookie header because the domain remains the + # same. + different_port_response = self.get_response( + original_request, "https://example.com:8080/a" + ) + different_port_redirect_request = self.mw.process_response( + original_request, different_port_response, self.spider + ) + self.assertIsInstance(different_port_redirect_request, Request) + self.assertEqual( + {**safe_headers, **cookie_header}, + different_port_redirect_request.headers.to_unicode_dict(), + ) + + # A domain change drops both the Authorization and the Cookie header. + external_response = self.get_response( + original_request, "https://example.org/a" + ) + external_redirect_request = self.mw.process_response( + original_request, external_response, self.spider + ) + self.assertIsInstance(external_redirect_request, Request) + self.assertEqual( + safe_headers, external_redirect_request.headers.to_unicode_dict() + ) + + # A scheme upgrade (http → https) drops the Authorization header + # because the origin changes, but keeps the Cookie header because the + # domain remains the same. + upgrade_response = self.get_response(http_request, "https://example.com/a") + upgrade_redirect_request = self.mw.process_response( + http_request, upgrade_response, self.spider + ) + self.assertIsInstance(upgrade_redirect_request, Request) + self.assertEqual( + {**safe_headers, **cookie_header}, + upgrade_redirect_request.headers.to_unicode_dict(), + ) + + # A scheme downgrade (https → http) drops the Authorization header + # because the origin changes, and the Cookie header because its value + # cannot indicate whether the cookies were secure (HTTPS-only) or not. + # + # Note: If the Cookie header is set by the cookie management + # middleware, as recommended in the docs, the dropping of Cookie on + # scheme downgrade is not an issue, because the cookie management + # middleware will add again the Cookie header to the new request if + # appropriate. + downgrade_response = self.get_response( + original_request, "http://example.com/a" + ) + downgrade_redirect_request = self.mw.process_response( + original_request, downgrade_response, self.spider + ) + self.assertIsInstance(downgrade_redirect_request, Request) + self.assertEqual( + safe_headers, + downgrade_redirect_request.headers.to_unicode_dict(), + ) + + def test_meta_proxy_http_absolute(self): + crawler = get_crawler() + redirect_mw = self.mwcls.from_crawler(crawler) + proxy_mw = HttpProxyMiddleware.from_crawler(crawler) + + meta = {"proxy": "https://a:@a.example"} + request1 = Request("http://example.com", meta=meta) + spider = None + proxy_mw.process_request(request1, spider) + + self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request1.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request1.meta["proxy"], "https://a.example") + + response1 = self.get_response(request1, "http://example.com") + request2 = redirect_mw.process_response(request1, response1, spider) + + self.assertIsInstance(request2, Request) + self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request2.meta["proxy"], "https://a.example") + + proxy_mw.process_request(request2, spider) + + self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request2.meta["proxy"], "https://a.example") + + response2 = self.get_response(request2, "http://example.com") + request3 = redirect_mw.process_response(request2, response2, spider) + + self.assertIsInstance(request3, Request) + self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request3.meta["proxy"], "https://a.example") + + proxy_mw.process_request(request3, spider) + + self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request3.meta["proxy"], "https://a.example") + + def test_meta_proxy_http_relative(self): + crawler = get_crawler() + redirect_mw = self.mwcls.from_crawler(crawler) + proxy_mw = HttpProxyMiddleware.from_crawler(crawler) + + meta = {"proxy": "https://a:@a.example"} + request1 = Request("http://example.com", meta=meta) + spider = None + proxy_mw.process_request(request1, spider) + + self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request1.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request1.meta["proxy"], "https://a.example") + + response1 = self.get_response(request1, "/a") + request2 = redirect_mw.process_response(request1, response1, spider) + + self.assertIsInstance(request2, Request) + self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request2.meta["proxy"], "https://a.example") + + proxy_mw.process_request(request2, spider) + + self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request2.meta["proxy"], "https://a.example") + + response2 = self.get_response(request2, "/a") + request3 = redirect_mw.process_response(request2, response2, spider) + + self.assertIsInstance(request3, Request) + self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request3.meta["proxy"], "https://a.example") + + proxy_mw.process_request(request3, spider) + + self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request3.meta["proxy"], "https://a.example") + + def test_meta_proxy_https_absolute(self): + crawler = get_crawler() + redirect_mw = self.mwcls.from_crawler(crawler) + proxy_mw = HttpProxyMiddleware.from_crawler(crawler) + + meta = {"proxy": "https://a:@a.example"} + request1 = Request("https://example.com", meta=meta) + spider = None + proxy_mw.process_request(request1, spider) + + self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request1.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request1.meta["proxy"], "https://a.example") + + response1 = self.get_response(request1, "https://example.com") + request2 = redirect_mw.process_response(request1, response1, spider) + + self.assertIsInstance(request2, Request) + self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request2.meta["proxy"], "https://a.example") + + proxy_mw.process_request(request2, spider) + + self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request2.meta["proxy"], "https://a.example") + + response2 = self.get_response(request2, "https://example.com") + request3 = redirect_mw.process_response(request2, response2, spider) + + self.assertIsInstance(request3, Request) + self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request3.meta["proxy"], "https://a.example") + + proxy_mw.process_request(request3, spider) + + self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request3.meta["proxy"], "https://a.example") + + def test_meta_proxy_https_relative(self): + crawler = get_crawler() + redirect_mw = self.mwcls.from_crawler(crawler) + proxy_mw = HttpProxyMiddleware.from_crawler(crawler) + + meta = {"proxy": "https://a:@a.example"} + request1 = Request("https://example.com", meta=meta) + spider = None + proxy_mw.process_request(request1, spider) + + self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request1.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request1.meta["proxy"], "https://a.example") + + response1 = self.get_response(request1, "/a") + request2 = redirect_mw.process_response(request1, response1, spider) + + self.assertIsInstance(request2, Request) + self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request2.meta["proxy"], "https://a.example") + + proxy_mw.process_request(request2, spider) + + self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request2.meta["proxy"], "https://a.example") + + response2 = self.get_response(request2, "/a") + request3 = redirect_mw.process_response(request2, response2, spider) + + self.assertIsInstance(request3, Request) + self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request3.meta["proxy"], "https://a.example") + + proxy_mw.process_request(request3, spider) + + self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request3.meta["proxy"], "https://a.example") + + def test_meta_proxy_http_to_https(self): + crawler = get_crawler() + redirect_mw = self.mwcls.from_crawler(crawler) + proxy_mw = HttpProxyMiddleware.from_crawler(crawler) + + meta = {"proxy": "https://a:@a.example"} + request1 = Request("http://example.com", meta=meta) + spider = None + proxy_mw.process_request(request1, spider) + + self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request1.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request1.meta["proxy"], "https://a.example") + + response1 = self.get_response(request1, "https://example.com") + request2 = redirect_mw.process_response(request1, response1, spider) + + self.assertIsInstance(request2, Request) + self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request2.meta["proxy"], "https://a.example") + + proxy_mw.process_request(request2, spider) + + self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request2.meta["proxy"], "https://a.example") + + response2 = self.get_response(request2, "http://example.com") + request3 = redirect_mw.process_response(request2, response2, spider) + + self.assertIsInstance(request3, Request) + self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request3.meta["proxy"], "https://a.example") + + proxy_mw.process_request(request3, spider) + + self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request3.meta["proxy"], "https://a.example") + + def test_meta_proxy_https_to_http(self): + crawler = get_crawler() + redirect_mw = self.mwcls.from_crawler(crawler) + proxy_mw = HttpProxyMiddleware.from_crawler(crawler) + + meta = {"proxy": "https://a:@a.example"} + request1 = Request("https://example.com", meta=meta) + spider = None + proxy_mw.process_request(request1, spider) + + self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request1.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request1.meta["proxy"], "https://a.example") + + response1 = self.get_response(request1, "http://example.com") + request2 = redirect_mw.process_response(request1, response1, spider) + + self.assertIsInstance(request2, Request) + self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request2.meta["proxy"], "https://a.example") + + proxy_mw.process_request(request2, spider) + + self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request2.meta["proxy"], "https://a.example") + + response2 = self.get_response(request2, "https://example.com") + request3 = redirect_mw.process_response(request2, response2, spider) + + self.assertIsInstance(request3, Request) + self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request3.meta["proxy"], "https://a.example") + + proxy_mw.process_request(request3, spider) + + self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request3.meta["proxy"], "https://a.example") + + def test_system_proxy_http_absolute(self): + crawler = get_crawler() + redirect_mw = self.mwcls.from_crawler(crawler) + env = { + "http_proxy": "https://a:@a.example", + } + with set_environ(**env): + proxy_mw = HttpProxyMiddleware.from_crawler(crawler) + + request1 = Request("http://example.com") + spider = None + proxy_mw.process_request(request1, spider) + + self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request1.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request1.meta["proxy"], "https://a.example") + + response1 = self.get_response(request1, "http://example.com") + request2 = redirect_mw.process_response(request1, response1, spider) + + self.assertIsInstance(request2, Request) + self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request2.meta["proxy"], "https://a.example") + + proxy_mw.process_request(request2, spider) + + self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request2.meta["proxy"], "https://a.example") + + response2 = self.get_response(request2, "http://example.com") + request3 = redirect_mw.process_response(request2, response2, spider) + + self.assertIsInstance(request3, Request) + self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request3.meta["proxy"], "https://a.example") + + proxy_mw.process_request(request3, spider) + + self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request3.meta["proxy"], "https://a.example") + + def test_system_proxy_http_relative(self): + crawler = get_crawler() + redirect_mw = self.mwcls.from_crawler(crawler) + env = { + "http_proxy": "https://a:@a.example", + } + with set_environ(**env): + proxy_mw = HttpProxyMiddleware.from_crawler(crawler) + + request1 = Request("http://example.com") + spider = None + proxy_mw.process_request(request1, spider) + + self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request1.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request1.meta["proxy"], "https://a.example") + + response1 = self.get_response(request1, "/a") + request2 = redirect_mw.process_response(request1, response1, spider) + + self.assertIsInstance(request2, Request) + self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request2.meta["proxy"], "https://a.example") + + proxy_mw.process_request(request2, spider) + + self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request2.meta["proxy"], "https://a.example") + + response2 = self.get_response(request2, "/a") + request3 = redirect_mw.process_response(request2, response2, spider) + + self.assertIsInstance(request3, Request) + self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request3.meta["proxy"], "https://a.example") + + proxy_mw.process_request(request3, spider) + + self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request3.meta["proxy"], "https://a.example") + + def test_system_proxy_https_absolute(self): + crawler = get_crawler() + redirect_mw = self.mwcls.from_crawler(crawler) + env = { + "https_proxy": "https://a:@a.example", + } + with set_environ(**env): + proxy_mw = HttpProxyMiddleware.from_crawler(crawler) + + request1 = Request("https://example.com") + spider = None + proxy_mw.process_request(request1, spider) + + self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request1.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request1.meta["proxy"], "https://a.example") + + response1 = self.get_response(request1, "https://example.com") + request2 = redirect_mw.process_response(request1, response1, spider) + + self.assertIsInstance(request2, Request) + self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request2.meta["proxy"], "https://a.example") + + proxy_mw.process_request(request2, spider) + + self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request2.meta["proxy"], "https://a.example") + + response2 = self.get_response(request2, "https://example.com") + request3 = redirect_mw.process_response(request2, response2, spider) + + self.assertIsInstance(request3, Request) + self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request3.meta["proxy"], "https://a.example") + + proxy_mw.process_request(request3, spider) + + self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request3.meta["proxy"], "https://a.example") + + def test_system_proxy_https_relative(self): + crawler = get_crawler() + redirect_mw = self.mwcls.from_crawler(crawler) + env = { + "https_proxy": "https://a:@a.example", + } + with set_environ(**env): + proxy_mw = HttpProxyMiddleware.from_crawler(crawler) + + request1 = Request("https://example.com") + spider = None + proxy_mw.process_request(request1, spider) + + self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request1.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request1.meta["proxy"], "https://a.example") + + response1 = self.get_response(request1, "/a") + request2 = redirect_mw.process_response(request1, response1, spider) + + self.assertIsInstance(request2, Request) + self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request2.meta["proxy"], "https://a.example") + + proxy_mw.process_request(request2, spider) + + self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request2.meta["proxy"], "https://a.example") + + response2 = self.get_response(request2, "/a") + request3 = redirect_mw.process_response(request2, response2, spider) + + self.assertIsInstance(request3, Request) + self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request3.meta["proxy"], "https://a.example") + + proxy_mw.process_request(request3, spider) + + self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request3.meta["proxy"], "https://a.example") + + def test_system_proxy_proxied_http_to_proxied_https(self): + crawler = get_crawler() + redirect_mw = self.mwcls.from_crawler(crawler) + env = { + "http_proxy": "https://a:@a.example", + "https_proxy": "https://b:@b.example", + } + with set_environ(**env): + proxy_mw = HttpProxyMiddleware.from_crawler(crawler) + + request1 = Request("http://example.com") + spider = None + proxy_mw.process_request(request1, spider) + + self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request1.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request1.meta["proxy"], "https://a.example") + + response1 = self.get_response(request1, "https://example.com") + request2 = redirect_mw.process_response(request1, response1, spider) + + self.assertIsInstance(request2, Request) + self.assertNotIn("Proxy-Authorization", request2.headers) + self.assertNotIn("_auth_proxy", request2.meta) + self.assertNotIn("proxy", request2.meta) + + proxy_mw.process_request(request2, spider) + + self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic Yjo=") + self.assertEqual(request2.meta["_auth_proxy"], "https://b.example") + self.assertEqual(request2.meta["proxy"], "https://b.example") + + response2 = self.get_response(request2, "http://example.com") + request3 = redirect_mw.process_response(request2, response2, spider) + + self.assertIsInstance(request3, Request) + self.assertNotIn("Proxy-Authorization", request3.headers) + self.assertNotIn("_auth_proxy", request3.meta) + self.assertNotIn("proxy", request3.meta) + + proxy_mw.process_request(request3, spider) + + self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request3.meta["proxy"], "https://a.example") + + def test_system_proxy_proxied_http_to_unproxied_https(self): + crawler = get_crawler() + redirect_mw = self.mwcls.from_crawler(crawler) + env = { + "http_proxy": "https://a:@a.example", + } + with set_environ(**env): + proxy_mw = HttpProxyMiddleware.from_crawler(crawler) + + request1 = Request("http://example.com") + spider = None + proxy_mw.process_request(request1, spider) + + self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request1.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request1.meta["proxy"], "https://a.example") + + response1 = self.get_response(request1, "https://example.com") + request2 = redirect_mw.process_response(request1, response1, spider) + + self.assertIsInstance(request2, Request) + self.assertNotIn("Proxy-Authorization", request2.headers) + self.assertNotIn("_auth_proxy", request2.meta) + self.assertNotIn("proxy", request2.meta) + + proxy_mw.process_request(request2, spider) + + self.assertNotIn("Proxy-Authorization", request2.headers) + self.assertNotIn("_auth_proxy", request2.meta) + self.assertNotIn("proxy", request2.meta) + + response2 = self.get_response(request2, "http://example.com") + request3 = redirect_mw.process_response(request2, response2, spider) + + self.assertIsInstance(request3, Request) + self.assertNotIn("Proxy-Authorization", request3.headers) + self.assertNotIn("_auth_proxy", request3.meta) + self.assertNotIn("proxy", request3.meta) + + proxy_mw.process_request(request3, spider) + + self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request3.meta["proxy"], "https://a.example") + + def test_system_proxy_unproxied_http_to_proxied_https(self): + crawler = get_crawler() + redirect_mw = self.mwcls.from_crawler(crawler) + env = { + "https_proxy": "https://b:@b.example", + } + with set_environ(**env): + proxy_mw = HttpProxyMiddleware.from_crawler(crawler) + + request1 = Request("http://example.com") + spider = None + proxy_mw.process_request(request1, spider) + + self.assertNotIn("Proxy-Authorization", request1.headers) + self.assertNotIn("_auth_proxy", request1.meta) + self.assertNotIn("proxy", request1.meta) + + response1 = self.get_response(request1, "https://example.com") + request2 = redirect_mw.process_response(request1, response1, spider) + + self.assertIsInstance(request2, Request) + self.assertNotIn("Proxy-Authorization", request2.headers) + self.assertNotIn("_auth_proxy", request2.meta) + self.assertNotIn("proxy", request2.meta) + + proxy_mw.process_request(request2, spider) + + self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic Yjo=") + self.assertEqual(request2.meta["_auth_proxy"], "https://b.example") + self.assertEqual(request2.meta["proxy"], "https://b.example") + + response2 = self.get_response(request2, "http://example.com") + request3 = redirect_mw.process_response(request2, response2, spider) + + self.assertIsInstance(request3, Request) + self.assertNotIn("Proxy-Authorization", request3.headers) + self.assertNotIn("_auth_proxy", request3.meta) + self.assertNotIn("proxy", request3.meta) + + proxy_mw.process_request(request3, spider) + + self.assertNotIn("Proxy-Authorization", request3.headers) + self.assertNotIn("_auth_proxy", request3.meta) + self.assertNotIn("proxy", request3.meta) + + def test_system_proxy_unproxied_http_to_unproxied_https(self): + crawler = get_crawler() + redirect_mw = self.mwcls.from_crawler(crawler) + proxy_mw = HttpProxyMiddleware.from_crawler(crawler) + + request1 = Request("http://example.com") + spider = None + proxy_mw.process_request(request1, spider) + + self.assertNotIn("Proxy-Authorization", request1.headers) + self.assertNotIn("_auth_proxy", request1.meta) + self.assertNotIn("proxy", request1.meta) + + response1 = self.get_response(request1, "https://example.com") + request2 = redirect_mw.process_response(request1, response1, spider) + + self.assertIsInstance(request2, Request) + self.assertNotIn("Proxy-Authorization", request2.headers) + self.assertNotIn("_auth_proxy", request2.meta) + self.assertNotIn("proxy", request2.meta) + + proxy_mw.process_request(request2, spider) + + self.assertNotIn("Proxy-Authorization", request2.headers) + self.assertNotIn("_auth_proxy", request2.meta) + self.assertNotIn("proxy", request2.meta) + + response2 = self.get_response(request2, "http://example.com") + request3 = redirect_mw.process_response(request2, response2, spider) + + self.assertIsInstance(request3, Request) + self.assertNotIn("Proxy-Authorization", request3.headers) + self.assertNotIn("_auth_proxy", request3.meta) + self.assertNotIn("proxy", request3.meta) + + proxy_mw.process_request(request3, spider) + + self.assertNotIn("Proxy-Authorization", request3.headers) + self.assertNotIn("_auth_proxy", request3.meta) + self.assertNotIn("proxy", request3.meta) + + def test_system_proxy_proxied_https_to_proxied_http(self): + crawler = get_crawler() + redirect_mw = self.mwcls.from_crawler(crawler) + env = { + "http_proxy": "https://a:@a.example", + "https_proxy": "https://b:@b.example", + } + with set_environ(**env): + proxy_mw = HttpProxyMiddleware.from_crawler(crawler) + + request1 = Request("https://example.com") + spider = None + proxy_mw.process_request(request1, spider) + + self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic Yjo=") + self.assertEqual(request1.meta["_auth_proxy"], "https://b.example") + self.assertEqual(request1.meta["proxy"], "https://b.example") + + response1 = self.get_response(request1, "http://example.com") + request2 = redirect_mw.process_response(request1, response1, spider) + + self.assertIsInstance(request2, Request) + self.assertNotIn("Proxy-Authorization", request2.headers) + self.assertNotIn("_auth_proxy", request2.meta) + self.assertNotIn("proxy", request2.meta) + + proxy_mw.process_request(request2, spider) + + self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request2.meta["proxy"], "https://a.example") + + response2 = self.get_response(request2, "https://example.com") + request3 = redirect_mw.process_response(request2, response2, spider) + + self.assertIsInstance(request3, Request) + self.assertNotIn("Proxy-Authorization", request3.headers) + self.assertNotIn("_auth_proxy", request3.meta) + self.assertNotIn("proxy", request3.meta) + + proxy_mw.process_request(request3, spider) + + self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic Yjo=") + self.assertEqual(request3.meta["_auth_proxy"], "https://b.example") + self.assertEqual(request3.meta["proxy"], "https://b.example") + + def test_system_proxy_proxied_https_to_unproxied_http(self): + crawler = get_crawler() + redirect_mw = self.mwcls.from_crawler(crawler) + env = { + "https_proxy": "https://b:@b.example", + } + with set_environ(**env): + proxy_mw = HttpProxyMiddleware.from_crawler(crawler) + + request1 = Request("https://example.com") + spider = None + proxy_mw.process_request(request1, spider) + + self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic Yjo=") + self.assertEqual(request1.meta["_auth_proxy"], "https://b.example") + self.assertEqual(request1.meta["proxy"], "https://b.example") + + response1 = self.get_response(request1, "http://example.com") + request2 = redirect_mw.process_response(request1, response1, spider) + + self.assertIsInstance(request2, Request) + self.assertNotIn("Proxy-Authorization", request2.headers) + self.assertNotIn("_auth_proxy", request2.meta) + self.assertNotIn("proxy", request2.meta) + + proxy_mw.process_request(request2, spider) + + self.assertNotIn("Proxy-Authorization", request2.headers) + self.assertNotIn("_auth_proxy", request2.meta) + self.assertNotIn("proxy", request2.meta) + + response2 = self.get_response(request2, "https://example.com") + request3 = redirect_mw.process_response(request2, response2, spider) + + self.assertIsInstance(request3, Request) + self.assertNotIn("Proxy-Authorization", request3.headers) + self.assertNotIn("_auth_proxy", request3.meta) + self.assertNotIn("proxy", request3.meta) + + proxy_mw.process_request(request3, spider) + + self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic Yjo=") + self.assertEqual(request3.meta["_auth_proxy"], "https://b.example") + self.assertEqual(request3.meta["proxy"], "https://b.example") + + def test_system_proxy_unproxied_https_to_proxied_http(self): + crawler = get_crawler() + redirect_mw = self.mwcls.from_crawler(crawler) + env = { + "http_proxy": "https://a:@a.example", + } + with set_environ(**env): + proxy_mw = HttpProxyMiddleware.from_crawler(crawler) + + request1 = Request("https://example.com") + spider = None + proxy_mw.process_request(request1, spider) + + self.assertNotIn("Proxy-Authorization", request1.headers) + self.assertNotIn("_auth_proxy", request1.meta) + self.assertNotIn("proxy", request1.meta) + + response1 = self.get_response(request1, "http://example.com") + request2 = redirect_mw.process_response(request1, response1, spider) + + self.assertIsInstance(request2, Request) + self.assertNotIn("Proxy-Authorization", request2.headers) + self.assertNotIn("_auth_proxy", request2.meta) + self.assertNotIn("proxy", request2.meta) + + proxy_mw.process_request(request2, spider) + + self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") + self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") + self.assertEqual(request2.meta["proxy"], "https://a.example") + + response2 = self.get_response(request2, "https://example.com") + request3 = redirect_mw.process_response(request2, response2, spider) + + self.assertIsInstance(request3, Request) + self.assertNotIn("Proxy-Authorization", request3.headers) + self.assertNotIn("_auth_proxy", request3.meta) + self.assertNotIn("proxy", request3.meta) + + proxy_mw.process_request(request3, spider) + + self.assertNotIn("Proxy-Authorization", request3.headers) + self.assertNotIn("_auth_proxy", request3.meta) + self.assertNotIn("proxy", request3.meta) + + def test_system_proxy_unproxied_https_to_unproxied_http(self): + crawler = get_crawler() + redirect_mw = self.mwcls.from_crawler(crawler) + proxy_mw = HttpProxyMiddleware.from_crawler(crawler) + + request1 = Request("https://example.com") + spider = None + proxy_mw.process_request(request1, spider) + + self.assertNotIn("Proxy-Authorization", request1.headers) + self.assertNotIn("_auth_proxy", request1.meta) + self.assertNotIn("proxy", request1.meta) + + response1 = self.get_response(request1, "http://example.com") + request2 = redirect_mw.process_response(request1, response1, spider) + + self.assertIsInstance(request2, Request) + self.assertNotIn("Proxy-Authorization", request2.headers) + self.assertNotIn("_auth_proxy", request2.meta) + self.assertNotIn("proxy", request2.meta) + + proxy_mw.process_request(request2, spider) + + self.assertNotIn("Proxy-Authorization", request2.headers) + self.assertNotIn("_auth_proxy", request2.meta) + self.assertNotIn("proxy", request2.meta) + + response2 = self.get_response(request2, "https://example.com") + request3 = redirect_mw.process_response(request2, response2, spider) + + self.assertIsInstance(request3, Request) + self.assertNotIn("Proxy-Authorization", request3.headers) + self.assertNotIn("_auth_proxy", request3.meta) + self.assertNotIn("proxy", request3.meta) + + proxy_mw.process_request(request3, spider) + + self.assertNotIn("Proxy-Authorization", request3.headers) + self.assertNotIn("_auth_proxy", request3.meta) + self.assertNotIn("proxy", request3.meta) + + +class RedirectMiddlewareTest(Base.Test): + mwcls = RedirectMiddleware + reason = 302 + def setUp(self): self.crawler = get_crawler(Spider) self.spider = self.crawler._create_spider("foo") - self.mw = RedirectMiddleware.from_crawler(self.crawler) + self.mw = self.mwcls.from_crawler(self.crawler) - def test_priority_adjust(self): - req = Request("http://a.com") - rsp = Response( - "http://a.com", headers={"Location": "http://a.com/redirected"}, status=301 - ) - req2 = self.mw.process_response(req, rsp, self.spider) - assert req2.priority > req.priority + def get_response(self, request, location, status=302): + headers = {"Location": location} + return Response(request.url, status=status, headers=headers) def test_redirect_3xx_permanent(self): def _test(method, status=301): @@ -52,51 +1064,6 @@ class RedirectMiddlewareTest(unittest.TestCase): _test("POST", status=308) _test("HEAD", status=308) - def test_dont_redirect(self): - url = "http://www.example.com/301" - url2 = "http://www.example.com/redirected" - req = Request(url, meta={"dont_redirect": True}) - rsp = Response(url, headers={"Location": url2}, status=301) - - r = self.mw.process_response(req, rsp, self.spider) - assert isinstance(r, Response) - assert r is rsp - - # Test that it redirects when dont_redirect is False - req = Request(url, meta={"dont_redirect": False}) - rsp = Response(url2, status=200) - - r = self.mw.process_response(req, rsp, self.spider) - assert isinstance(r, Response) - assert r is rsp - - def test_redirect_302(self): - url = "http://www.example.com/302" - url2 = "http://www.example.com/redirected2" - req = Request( - url, - method="POST", - body="test", - headers={"Content-Type": "text/plain", "Content-length": "4"}, - ) - rsp = Response(url, headers={"Location": url2}, status=302) - - req2 = self.mw.process_response(req, rsp, self.spider) - assert isinstance(req2, Request) - self.assertEqual(req2.url, url2) - self.assertEqual(req2.method, "GET") - assert ( - "Content-Type" not in req2.headers - ), "Content-Type header must not be present in redirected request" - assert ( - "Content-Length" not in req2.headers - ), "Content-Length header must not be present in redirected request" - assert not req2.body, f"Redirected body must be empty, not '{req2.body}'" - - # response without Location header but with status code is 3XX should be ignored - del rsp.headers["Location"] - assert self.mw.process_response(req, rsp, self.spider) is rsp - def test_redirect_302_head(self): url = "http://www.example.com/302" url2 = "http://www.example.com/redirected2" @@ -108,10 +1075,6 @@ class RedirectMiddlewareTest(unittest.TestCase): self.assertEqual(req2.url, url2) self.assertEqual(req2.method, "HEAD") - # response without Location header but with status code is 3XX should be ignored - del rsp.headers["Location"] - assert self.mw.process_response(req, rsp, self.spider) is rsp - def test_redirect_302_relative(self): url = "http://www.example.com/302" url2 = "///i8n.example2.com/302" @@ -124,81 +1087,6 @@ class RedirectMiddlewareTest(unittest.TestCase): self.assertEqual(req2.url, url3) self.assertEqual(req2.method, "HEAD") - # response without Location header but with status code is 3XX should be ignored - del rsp.headers["Location"] - assert self.mw.process_response(req, rsp, self.spider) is rsp - - def test_max_redirect_times(self): - self.mw.max_redirect_times = 1 - req = Request("http://scrapytest.org/302") - rsp = Response( - "http://scrapytest.org/302", headers={"Location": "/redirected"}, status=302 - ) - - req = self.mw.process_response(req, rsp, self.spider) - assert isinstance(req, Request) - assert "redirect_times" in req.meta - self.assertEqual(req.meta["redirect_times"], 1) - self.assertRaises( - IgnoreRequest, self.mw.process_response, req, rsp, self.spider - ) - - def test_ttl(self): - self.mw.max_redirect_times = 100 - req = Request("http://scrapytest.org/302", meta={"redirect_ttl": 1}) - rsp = Response( - "http://www.scrapytest.org/302", - headers={"Location": "/redirected"}, - status=302, - ) - - req = self.mw.process_response(req, rsp, self.spider) - assert isinstance(req, Request) - self.assertRaises( - IgnoreRequest, self.mw.process_response, req, rsp, self.spider - ) - - def test_redirect_urls(self): - req1 = Request("http://scrapytest.org/first") - rsp1 = Response( - "http://scrapytest.org/first", - headers={"Location": "/redirected"}, - status=302, - ) - req2 = self.mw.process_response(req1, rsp1, self.spider) - rsp2 = Response( - "http://scrapytest.org/redirected", - headers={"Location": "/redirected2"}, - status=302, - ) - req3 = self.mw.process_response(req2, rsp2, self.spider) - - self.assertEqual(req2.url, "http://scrapytest.org/redirected") - self.assertEqual(req2.meta["redirect_urls"], ["http://scrapytest.org/first"]) - self.assertEqual(req3.url, "http://scrapytest.org/redirected2") - self.assertEqual( - req3.meta["redirect_urls"], - ["http://scrapytest.org/first", "http://scrapytest.org/redirected"], - ) - - def test_redirect_reasons(self): - req1 = Request("http://scrapytest.org/first") - rsp1 = Response( - "http://scrapytest.org/first", - headers={"Location": "/redirected1"}, - status=301, - ) - req2 = self.mw.process_response(req1, rsp1, self.spider) - rsp2 = Response( - "http://scrapytest.org/redirected1", - headers={"Location": "/redirected2"}, - status=301, - ) - req3 = self.mw.process_response(req2, rsp2, self.spider) - - self.assertEqual(req2.meta["redirect_reasons"], [301]) - self.assertEqual(req3.meta["redirect_reasons"], [301, 301]) - def test_spider_handling(self): smartspider = self.crawler._create_spider("smarty") smartspider.handle_httpstatus_list = [404, 301, 302] @@ -247,53 +1135,84 @@ class RedirectMiddlewareTest(unittest.TestCase): perc_encoded_utf8_url = "http://scrapytest.org/a%C3%A7%C3%A3o" self.assertEqual(perc_encoded_utf8_url, req_result.url) - def test_cross_domain_header_dropping(self): - safe_headers = {"A": "B"} - original_request = Request( - "https://example.com", - headers={"Cookie": "a=b", "Authorization": "a", **safe_headers}, - ) - - internal_response = Response( - "https://example.com", - headers={"Location": "https://example.com/a"}, - status=301, - ) - internal_redirect_request = self.mw.process_response( - original_request, internal_response, self.spider - ) - self.assertIsInstance(internal_redirect_request, Request) - self.assertEqual(original_request.headers, internal_redirect_request.headers) - - external_response = Response( - "https://example.com", - headers={"Location": "https://example.org/a"}, - status=301, - ) - external_redirect_request = self.mw.process_response( - original_request, external_response, self.spider - ) - self.assertIsInstance(external_redirect_request, Request) - self.assertEqual( - safe_headers, external_redirect_request.headers.to_unicode_dict() - ) + def test_no_location(self): + request = Request("https://example.com") + response = Response(request.url, status=302) + assert self.mw.process_response(request, response, self.spider) is response -class MetaRefreshMiddlewareTest(unittest.TestCase): +SCHEME_PARAMS = ("url", "location", "target") +HTTP_SCHEMES = ("http", "https") +NON_HTTP_SCHEMES = ("data", "file", "ftp", "s3", "foo") +REDIRECT_SCHEME_CASES = ( + # http/https → http/https redirects + *( + ( + f"{input_scheme}://example.com/a", + f"{output_scheme}://example.com/b", + f"{output_scheme}://example.com/b", + ) + for input_scheme, output_scheme in product(HTTP_SCHEMES, repeat=2) + ), + # http/https → data/file/ftp/s3/foo does not redirect + *( + ( + f"{input_scheme}://example.com/a", + f"{output_scheme}://example.com/b", + None, + ) + for input_scheme in HTTP_SCHEMES + for output_scheme in NON_HTTP_SCHEMES + ), + # http/https → relative redirects + *( + ( + f"{scheme}://example.com/a", + location, + f"{scheme}://example.com/b", + ) + for scheme in HTTP_SCHEMES + for location in ("//example.com/b", "/b") + ), + # Note: We do not test data/file/ftp/s3 schemes for the initial URL + # because their download handlers cannot return a status code of 3xx. +) + + +@pytest.mark.parametrize(SCHEME_PARAMS, REDIRECT_SCHEME_CASES) +def test_redirect_schemes(url, location, target): + crawler = get_crawler(Spider) + spider = crawler._create_spider("foo") + mw = RedirectMiddleware.from_crawler(crawler) + request = Request(url) + response = Response(url, headers={"Location": location}, status=301) + redirect = mw.process_response(request, response, spider) + if target is None: + assert redirect == response + else: + assert isinstance(redirect, Request) + assert redirect.url == target + + +def meta_refresh_body(url, interval=5): + html = f"""""" + return html.encode("utf-8") + + +class MetaRefreshMiddlewareTest(Base.Test): + mwcls = MetaRefreshMiddleware + reason = "meta refresh" + def setUp(self): crawler = get_crawler(Spider) self.spider = crawler._create_spider("foo") - self.mw = MetaRefreshMiddleware.from_crawler(crawler) + self.mw = self.mwcls.from_crawler(crawler) def _body(self, interval=5, url="http://example.org/newpage"): - html = f"""""" - return html.encode("utf-8") + return meta_refresh_body(url, interval) - def test_priority_adjust(self): - req = Request("http://a.com") - rsp = HtmlResponse(req.url, body=self._body()) - req2 = self.mw.process_response(req, rsp, self.spider) - assert req2.priority > req.priority + def get_response(self, request, location): + return HtmlResponse(request.url, body=self._body(url=location)) def test_meta_refresh(self): req = Request(url="http://example.org") @@ -332,62 +1251,6 @@ class MetaRefreshMiddlewareTest(unittest.TestCase): ), "Content-Length header must not be present in redirected request" assert not req2.body, f"Redirected body must be empty, not '{req2.body}'" - def test_max_redirect_times(self): - self.mw.max_redirect_times = 1 - req = Request("http://scrapytest.org/max") - rsp = HtmlResponse(req.url, body=self._body()) - - req = self.mw.process_response(req, rsp, self.spider) - assert isinstance(req, Request) - assert "redirect_times" in req.meta - self.assertEqual(req.meta["redirect_times"], 1) - self.assertRaises( - IgnoreRequest, self.mw.process_response, req, rsp, self.spider - ) - - def test_ttl(self): - self.mw.max_redirect_times = 100 - req = Request("http://scrapytest.org/302", meta={"redirect_ttl": 1}) - rsp = HtmlResponse(req.url, body=self._body()) - - req = self.mw.process_response(req, rsp, self.spider) - assert isinstance(req, Request) - self.assertRaises( - IgnoreRequest, self.mw.process_response, req, rsp, self.spider - ) - - def test_redirect_urls(self): - req1 = Request("http://scrapytest.org/first") - rsp1 = HtmlResponse(req1.url, body=self._body(url="/redirected")) - req2 = self.mw.process_response(req1, rsp1, self.spider) - assert isinstance(req2, Request), req2 - rsp2 = HtmlResponse(req2.url, body=self._body(url="/redirected2")) - req3 = self.mw.process_response(req2, rsp2, self.spider) - assert isinstance(req3, Request), req3 - self.assertEqual(req2.url, "http://scrapytest.org/redirected") - self.assertEqual(req2.meta["redirect_urls"], ["http://scrapytest.org/first"]) - self.assertEqual(req3.url, "http://scrapytest.org/redirected2") - self.assertEqual( - req3.meta["redirect_urls"], - ["http://scrapytest.org/first", "http://scrapytest.org/redirected"], - ) - - def test_redirect_reasons(self): - req1 = Request("http://scrapytest.org/first") - rsp1 = HtmlResponse( - "http://scrapytest.org/first", body=self._body(url="/redirected") - ) - req2 = self.mw.process_response(req1, rsp1, self.spider) - rsp2 = HtmlResponse( - "http://scrapytest.org/redirected", body=self._body(url="/redirected1") - ) - req3 = self.mw.process_response(req2, rsp2, self.spider) - - self.assertEqual(req2.meta["redirect_reasons"], ["meta refresh"]) - self.assertEqual( - req3.meta["redirect_reasons"], ["meta refresh", "meta refresh"] - ) - def test_ignore_tags_default(self): req = Request(url="http://example.org") body = ( @@ -413,5 +1276,45 @@ class MetaRefreshMiddlewareTest(unittest.TestCase): assert isinstance(response, Response) +@pytest.mark.parametrize( + SCHEME_PARAMS, + ( + *REDIRECT_SCHEME_CASES, + # data/file/ftp/s3/foo → * does not redirect + *( + ( + f"{input_scheme}://example.com/a", + f"{output_scheme}://example.com/b", + None, + ) + for input_scheme in NON_HTTP_SCHEMES + for output_scheme in chain(HTTP_SCHEMES, NON_HTTP_SCHEMES) + ), + # data/file/ftp/s3/foo → relative does not redirect + *( + ( + f"{scheme}://example.com/a", + location, + None, + ) + for scheme in NON_HTTP_SCHEMES + for location in ("//example.com/b", "/b") + ), + ), +) +def test_meta_refresh_schemes(url, location, target): + crawler = get_crawler(Spider) + spider = crawler._create_spider("foo") + mw = MetaRefreshMiddleware.from_crawler(crawler) + request = Request(url) + response = HtmlResponse(url, body=meta_refresh_body(location)) + redirect = mw.process_response(request, response, spider) + if target is None: + assert redirect == response + else: + assert isinstance(redirect, Request) + assert redirect.url == target + + if __name__ == "__main__": unittest.main() diff --git a/tests/test_engine.py b/tests/test_engine.py index 8d7afb6a1..33544e8db 100644 --- a/tests/test_engine.py +++ b/tests/test_engine.py @@ -15,8 +15,10 @@ import subprocess import sys from collections import defaultdict from dataclasses import dataclass +from logging import DEBUG from pathlib import Path from threading import Timer +from unittest.mock import Mock from urllib.parse import urlparse import attr @@ -27,11 +29,13 @@ from twisted.trial import unittest from twisted.web import server, static, util from scrapy import signals -from scrapy.core.engine import ExecutionEngine -from scrapy.exceptions import CloseSpider +from scrapy.core.engine import ExecutionEngine, Slot +from scrapy.core.scheduler import BaseScheduler +from scrapy.exceptions import CloseSpider, IgnoreRequest from scrapy.http import Request from scrapy.item import Field, Item from scrapy.linkextractors import LinkExtractor +from scrapy.signals import request_scheduled from scrapy.spiders import Spider from scrapy.utils.signal import disconnect_all from scrapy.utils.test import get_crawler @@ -467,6 +471,38 @@ class EngineTest(unittest.TestCase): self.assertNotIn(b"Traceback", stderr) +def test_request_scheduled_signal(caplog): + class TestScheduler(BaseScheduler): + def __init__(self): + self.enqueued = [] + + def enqueue_request(self, request: Request) -> bool: + self.enqueued.append(request) + return True + + def signal_handler(request: Request, spider: Spider) -> None: + if "drop" in request.url: + raise IgnoreRequest + + spider = TestSpider() + crawler = get_crawler(spider.__class__) + engine = ExecutionEngine(crawler, lambda _: None) + engine.downloader._slot_gc_loop.stop() + scheduler = TestScheduler() + engine.slot = Slot((), None, Mock(), scheduler) + crawler.signals.connect(signal_handler, request_scheduled) + keep_request = Request("https://keep.example") + engine._schedule_request(keep_request, spider) + drop_request = Request("https://drop.example") + caplog.set_level(DEBUG) + engine._schedule_request(drop_request, spider) + assert scheduler.enqueued == [ + keep_request + ], f"{scheduler.enqueued!r} != [{keep_request!r}]" + assert "dropped request " in caplog.text + crawler.signals.disconnect(signal_handler, request_scheduled) + + if __name__ == "__main__": if len(sys.argv) > 1 and sys.argv[1] == "runserver": start_test_site(debug=True) diff --git a/tests/test_utils_project.py b/tests/test_utils_project.py index 90bd350a5..3831f4c21 100644 --- a/tests/test_utils_project.py +++ b/tests/test_utils_project.py @@ -6,6 +6,7 @@ import unittest import warnings from pathlib import Path +from scrapy.utils.misc import set_environ from scrapy.utils.project import data_path, get_project_settings @@ -38,20 +39,6 @@ class ProjectUtilsTest(unittest.TestCase): self.assertEqual(abspath, data_path(abspath)) -@contextlib.contextmanager -def set_env(**update): - modified = set(update.keys()) & set(os.environ.keys()) - update_after = {k: os.environ[k] for k in modified} - remove_after = frozenset(k for k in update if k not in os.environ) - try: - os.environ.update(update) - yield - finally: - os.environ.update(update_after) - for k in remove_after: - os.environ.pop(k) - - class GetProjectSettingsTestCase(unittest.TestCase): def test_valid_envvar(self): value = "tests.test_cmdline.settings" @@ -60,7 +47,7 @@ class GetProjectSettingsTestCase(unittest.TestCase): } with warnings.catch_warnings(): warnings.simplefilter("error") - with set_env(**envvars): + with set_environ(**envvars): settings = get_project_settings() assert settings.get("SETTINGS_MODULE") == value @@ -69,7 +56,7 @@ class GetProjectSettingsTestCase(unittest.TestCase): envvars = { "SCRAPY_FOO": "bar", } - with set_env(**envvars): + with set_environ(**envvars): settings = get_project_settings() assert settings.get("SCRAPY_FOO") is None @@ -80,7 +67,7 @@ class GetProjectSettingsTestCase(unittest.TestCase): "SCRAPY_FOO": "bar", "SCRAPY_SETTINGS_MODULE": value, } - with set_env(**envvars): + with set_environ(**envvars): settings = get_project_settings() assert settings.get("SETTINGS_MODULE") == value assert settings.get("SCRAPY_FOO") is None diff --git a/tox.ini b/tox.ini index ede139756..cde4243f3 100644 --- a/tox.ini +++ b/tox.ini @@ -26,6 +26,9 @@ deps = # mitmproxy does not support PyPy mitmproxy; implementation_name != 'pypy' + # https://github.com/pallets/werkzeug/pull/2768 breaks flask, required by + # mitmproxy. + werkzeug < 3; python_version < '3.9' and implementation_name != 'pypy' passenv = S3_TEST_FILE_URI AWS_ACCESS_KEY_ID @@ -90,6 +93,7 @@ commands = twine check dist/* [pinned] +basepython = python3.8 deps = cryptography==36.0.0 cssselect==0.9.1 @@ -116,7 +120,7 @@ commands = pytest --cov=scrapy --cov-report=xml --cov-report= {posargs:--durations=10 scrapy tests} [testenv:pinned] -basepython = python3.8 +basepython = {[pinned]basepython} deps = {[pinned]deps} PyDispatcher==2.0.5 @@ -126,7 +130,7 @@ setenv = commands = {[pinned]commands} [testenv:windows-pinned] -basepython = python3 +basepython = {[pinned]basepython} deps = {[pinned]deps} PyDispatcher==2.0.5 @@ -155,7 +159,7 @@ deps = ipython [testenv:extra-deps-pinned] -basepython = python3.8 +basepython = {[pinned]basepython} deps = {[pinned]deps} boto3==1.20.0 @@ -179,6 +183,7 @@ commands = {[testenv]commands} --reactor=asyncio [testenv:asyncio-pinned] +basepython = {[pinned]basepython} deps = {[testenv:pinned]deps} commands = {[pinned]commands} --reactor=asyncio install_command = {[pinned]install_command} @@ -191,12 +196,12 @@ commands = pytest {posargs:--durations=10 docs scrapy tests} [testenv:pypy3-pinned] -basepython = {[testenv:pypy3]basepython} +basepython = pypy3.8 deps = {[pinned]deps} PyPyDispatcher==2.1.0 commands = - pytest --durations=10 scrapy tests + pytest {posargs:--durations=10 scrapy tests} install_command = {[pinned]install_command} setenv = {[pinned]setenv} @@ -244,7 +249,7 @@ commands = pytest --cov=scrapy --cov-report=xml --cov-report= {posargs:tests -k s3} [testenv:botocore-pinned] -basepython = python3.8 +basepython = {[pinned]basepython} deps = {[pinned]deps} botocore==1.4.87 From 812fd2368f705d033f5f39c152130b12a0fe9b1e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 15 May 2024 11:48:43 +0200 Subject: [PATCH 178/786] Allow user-defined secure cookies (#6357) --- docs/topics/request-response.rst | 3 +- scrapy/downloadermiddlewares/cookies.py | 14 ++- scrapy/utils/_compression.py | 9 +- tests/test_downloadermiddleware_cookies.py | 111 ++++++++++++++++++++- 4 files changed, 126 insertions(+), 11 deletions(-) diff --git a/docs/topics/request-response.rst b/docs/topics/request-response.rst index eb70ebce8..3c2843bc1 100644 --- a/docs/topics/request-response.rst +++ b/docs/topics/request-response.rst @@ -94,13 +94,14 @@ Request objects .. code-block:: python request_with_cookies = Request( - url="http://www.example.com", + url="https://www.example.com", cookies=[ { "name": "currency", "value": "USD", "domain": "example.com", "path": "/currency", + "secure": True, }, ], ) diff --git a/scrapy/downloadermiddlewares/cookies.py b/scrapy/downloadermiddlewares/cookies.py index 85781efd6..6ada3b474 100644 --- a/scrapy/downloadermiddlewares/cookies.py +++ b/scrapy/downloadermiddlewares/cookies.py @@ -33,6 +33,7 @@ logger = logging.getLogger(__name__) _split_domain = TLDExtract(include_psl_private_domains=True) +_UNSET = object() def _is_public_domain(domain: str) -> bool: @@ -133,6 +134,7 @@ class CookiesMiddleware: Decode from bytes if necessary. """ decoded = {} + flags = set() for key in ("name", "value", "path", "domain"): if cookie.get(key) is None: if key in ("name", "value"): @@ -152,10 +154,16 @@ class CookiesMiddleware: cookie, ) decoded[key] = cookie[key].decode("latin1", errors="replace") - + for flag in ("secure",): + value = cookie.get(flag, _UNSET) + if value is _UNSET or not value: + continue + flags.add(flag) cookie_str = f"{decoded.pop('name')}={decoded.pop('value')}" for key, value in decoded.items(): # path, domain cookie_str += f"; {key.capitalize()}={value}" + for flag in flags: # secure + cookie_str += f"; {flag.capitalize()}" return cookie_str def _get_request_cookies( @@ -168,9 +176,11 @@ class CookiesMiddleware: return [] cookies: Iterable[Dict[str, Any]] if isinstance(request.cookies, dict): - cookies = ({"name": k, "value": v} for k, v in request.cookies.items()) + cookies = tuple({"name": k, "value": v} for k, v in request.cookies.items()) else: cookies = request.cookies + for cookie in cookies: + cookie.setdefault("secure", urlparse_cached(request).scheme == "https") formatted = filter(None, (self._format_cookie(c, request) for c in cookies)) response = Response(request.url, headers={"Set-Cookie": formatted}) return jar.make_cookies(response, request) diff --git a/scrapy/utils/_compression.py b/scrapy/utils/_compression.py index 84c255c28..591737b8e 100644 --- a/scrapy/utils/_compression.py +++ b/scrapy/utils/_compression.py @@ -20,11 +20,10 @@ else: "You have brotlipy installed, and Scrapy will use it, but " "Scrapy support for brotlipy is deprecated and will stop " "working in a future version of Scrapy. brotlipy itself is " - "deprecated, it has been superseded by brotlicffi. " - "Please, uninstall brotlipy " - "and install brotli or brotlicffi instead. brotlipy has the same import " - "name as brotli, so keeping both installed is strongly " - "discouraged." + "deprecated, it has been superseded by brotlicffi. Please, " + "uninstall brotlipy and install brotli or brotlicffi instead. " + "brotlipy has the same import name as brotli, so keeping both " + "installed is strongly discouraged." ), ScrapyDeprecationWarning, ) diff --git a/tests/test_downloadermiddleware_cookies.py b/tests/test_downloadermiddleware_cookies.py index 425fabcc7..1f7e6615c 100644 --- a/tests/test_downloadermiddleware_cookies.py +++ b/tests/test_downloadermiddleware_cookies.py @@ -14,6 +14,8 @@ from scrapy.spiders import Spider from scrapy.utils.python import to_bytes from scrapy.utils.test import get_crawler +UNSET = object() + def _cookie_to_set_cookie_value(cookie): """Given a cookie defined as a dictionary with name and value keys, and @@ -414,19 +416,19 @@ class CookiesMiddlewareTest(TestCase): "scrapy.downloadermiddlewares.cookies", "WARNING", "Invalid cookie found in request :" - " {'value': 'bar'} ('name' is missing)", + " {'value': 'bar', 'secure': False} ('name' is missing)", ), ( "scrapy.downloadermiddlewares.cookies", "WARNING", "Invalid cookie found in request :" - " {'name': 'foo'} ('value' is missing)", + " {'name': 'foo', 'secure': False} ('value' is missing)", ), ( "scrapy.downloadermiddlewares.cookies", "WARNING", "Invalid cookie found in request :" - " {'name': 'foo', 'value': None} ('value' is missing)", + " {'name': 'foo', 'value': None, 'secure': False} ('value' is missing)", ), ) self.assertCookieValEqual(req1.headers["Cookie"], "key=value1") @@ -732,3 +734,106 @@ class CookiesMiddlewareTest(TestCase): "co.uk", cookies=True, ) + + def _test_cookie_redirect_scheme_change( + self, secure, from_scheme, to_scheme, cookies1, cookies2, cookies3 + ): + """When a redirect causes the URL scheme to change from *from_scheme* + to *to_scheme*, while domain and port remain the same, and given a + cookie on the initial request with its secure attribute set to + *secure*, check if the cookie should be set on the Cookie header of the + initial request (*cookies1*), if it should be kept by the redirect + middleware (*cookies2*), and if it should be present on the Cookie + header in the redirected request (*cookie3*).""" + cookie_kwargs = {} + if secure is not UNSET: + cookie_kwargs["secure"] = secure + input_cookies = [{"name": "a", "value": "b", **cookie_kwargs}] + + request1 = Request(f"{from_scheme}://a.example", cookies=input_cookies) + self.mw.process_request(request1, self.spider) + cookies = request1.headers.get("Cookie") + self.assertEqual(cookies, b"a=b" if cookies1 else None) + + response = Response( + f"{from_scheme}://a.example", + headers={"Location": f"{to_scheme}://a.example"}, + status=301, + ) + self.assertEqual( + self.mw.process_response(request1, response, self.spider), + response, + ) + + request2 = self.redirect_middleware.process_response( + request1, + response, + self.spider, + ) + self.assertIsInstance(request2, Request) + cookies = request2.headers.get("Cookie") + self.assertEqual(cookies, b"a=b" if cookies2 else None) + + self.mw.process_request(request2, self.spider) + cookies = request2.headers.get("Cookie") + self.assertEqual(cookies, b"a=b" if cookies3 else None) + + def test_cookie_redirect_secure_undefined_downgrade(self): + self._test_cookie_redirect_scheme_change( + secure=UNSET, + from_scheme="https", + to_scheme="http", + cookies1=True, + cookies2=True, # xfail, due to a bug in the redirect middleware fixed elsewhere + cookies3=False, + ) + + def test_cookie_redirect_secure_undefined_upgrade(self): + self._test_cookie_redirect_scheme_change( + secure=UNSET, + from_scheme="http", + to_scheme="https", + cookies1=True, + cookies2=True, + cookies3=True, + ) + + def test_cookie_redirect_secure_false_downgrade(self): + self._test_cookie_redirect_scheme_change( + secure=False, + from_scheme="https", + to_scheme="http", + cookies1=True, + cookies2=True, # xfail, due to a bug in the redirect middleware fixed elsewhere + cookies3=True, + ) + + def test_cookie_redirect_secure_false_upgrade(self): + self._test_cookie_redirect_scheme_change( + secure=False, + from_scheme="http", + to_scheme="https", + cookies1=True, + cookies2=True, + cookies3=True, + ) + + def test_cookie_redirect_secure_true_downgrade(self): + self._test_cookie_redirect_scheme_change( + secure=True, + from_scheme="https", + to_scheme="http", + cookies1=True, + cookies2=True, # xfail, due to a bug in the redirect middleware fixed elsewhere + cookies3=False, + ) + + def test_cookie_redirect_secure_true_upgrade(self): + self._test_cookie_redirect_scheme_change( + secure=True, + from_scheme="http", + to_scheme="https", + cookies1=False, + cookies2=False, + cookies3=True, + ) From 631fc65fadb874629787ae5f7fdd876b9ec96a29 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Thu, 16 May 2024 18:42:09 +0400 Subject: [PATCH 179/786] Update expectations of cookies after redirects. (#6367) --- tests/test_downloadermiddleware_cookies.py | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tests/test_downloadermiddleware_cookies.py b/tests/test_downloadermiddleware_cookies.py index 1f7e6615c..5eccd396a 100644 --- a/tests/test_downloadermiddleware_cookies.py +++ b/tests/test_downloadermiddleware_cookies.py @@ -784,7 +784,7 @@ class CookiesMiddlewareTest(TestCase): from_scheme="https", to_scheme="http", cookies1=True, - cookies2=True, # xfail, due to a bug in the redirect middleware fixed elsewhere + cookies2=False, cookies3=False, ) @@ -804,7 +804,7 @@ class CookiesMiddlewareTest(TestCase): from_scheme="https", to_scheme="http", cookies1=True, - cookies2=True, # xfail, due to a bug in the redirect middleware fixed elsewhere + cookies2=False, cookies3=True, ) @@ -824,7 +824,7 @@ class CookiesMiddlewareTest(TestCase): from_scheme="https", to_scheme="http", cookies1=True, - cookies2=True, # xfail, due to a bug in the redirect middleware fixed elsewhere + cookies2=False, cookies3=False, ) From b99526b740890e63f1d05074b3e358a9ae59b77f Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Sun, 19 May 2024 15:45:51 +0500 Subject: [PATCH 180/786] Full typing for scrapy/contracts. --- scrapy/contracts/__init__.py | 75 ++++++++++++++++++++++++------------ scrapy/contracts/default.py | 19 ++++----- 2 files changed, 60 insertions(+), 34 deletions(-) diff --git a/scrapy/contracts/__init__.py b/scrapy/contracts/__init__.py index d46eb7c51..b300b8457 100644 --- a/scrapy/contracts/__init__.py +++ b/scrapy/contracts/__init__.py @@ -3,10 +3,23 @@ import sys from functools import wraps from inspect import getmembers from types import CoroutineType -from typing import AsyncGenerator, Dict, Optional, Type -from unittest import TestCase +from typing import ( + Any, + AsyncGenerator, + Callable, + Dict, + Iterable, + List, + Optional, + Tuple, + Type, +) +from unittest import TestCase, TestResult -from scrapy.http import Request +from twisted.python.failure import Failure + +from scrapy import Spider +from scrapy.http import Request, Response from scrapy.utils.python import get_spec from scrapy.utils.spider import iterate_spider_output @@ -15,18 +28,20 @@ class Contract: """Abstract class for contracts""" request_cls: Optional[Type[Request]] = None + name: str - def __init__(self, method, *args): + def __init__(self, method: Callable, *args: Any): self.testcase_pre = _create_testcase(method, f"@{self.name} pre-hook") self.testcase_post = _create_testcase(method, f"@{self.name} post-hook") - self.args = args + self.args: Tuple[Any, ...] = args - def add_pre_hook(self, request, results): + def add_pre_hook(self, request: Request, results: TestResult) -> Request: if hasattr(self, "pre_process"): cb = request.callback + assert cb is not None @wraps(cb) - def wrapper(response, **cb_kwargs): + def wrapper(response: Response, **cb_kwargs: Any) -> List[Any]: try: results.startTest(self.testcase_pre) self.pre_process(response) @@ -49,12 +64,13 @@ class Contract: return request - def add_post_hook(self, request, results): + def add_post_hook(self, request: Request, results: TestResult) -> Request: if hasattr(self, "post_process"): cb = request.callback + assert cb is not None @wraps(cb) - def wrapper(response, **cb_kwargs): + def wrapper(response: Response, **cb_kwargs: Any) -> List[Any]: cb_result = cb(response, **cb_kwargs) if isinstance(cb_result, (AsyncGenerator, CoroutineType)): raise TypeError("Contracts don't support async callbacks") @@ -76,18 +92,18 @@ class Contract: return request - def adjust_request_args(self, args): + def adjust_request_args(self, args: Dict[str, Any]) -> Dict[str, Any]: return args class ContractsManager: - contracts: Dict[str, Contract] = {} + contracts: Dict[str, Type[Contract]] = {} - def __init__(self, contracts): + def __init__(self, contracts: Iterable[Type[Contract]]): for contract in contracts: self.contracts[contract.name] = contract - def tested_methods_from_spidercls(self, spidercls): + def tested_methods_from_spidercls(self, spidercls: Type[Spider]) -> List[str]: is_method = re.compile(r"^\s*@", re.MULTILINE).search methods = [] for key, value in getmembers(spidercls): @@ -96,21 +112,26 @@ class ContractsManager: return methods - def extract_contracts(self, method): - contracts = [] + def extract_contracts(self, method: Callable) -> List[Contract]: + contracts: List[Contract] = [] + assert method.__doc__ is not None for line in method.__doc__.split("\n"): line = line.strip() if line.startswith("@"): - name, args = re.match(r"@(\w+)\s*(.*)", line).groups() + m = re.match(r"@(\w+)\s*(.*)", line) + assert m is not None + name, args = m.groups() args = re.split(r"\s+", args) contracts.append(self.contracts[name](method, *args)) return contracts - def from_spider(self, spider, results): - requests = [] + def from_spider( + self, spider: Spider, results: TestResult + ) -> List[Optional[Request]]: + requests: List[Optional[Request]] = [] for method in self.tested_methods_from_spidercls(type(spider)): bound_method = spider.__getattribute__(method) try: @@ -121,7 +142,7 @@ class ContractsManager: return requests - def from_method(self, method, results): + def from_method(self, method: Callable, results: TestResult) -> Optional[Request]: contracts = self.extract_contracts(method) if contracts: request_cls = Request @@ -154,14 +175,18 @@ class ContractsManager: self._clean_req(request, method, results) return request + return None - def _clean_req(self, request, method, results): + def _clean_req( + self, request: Request, method: Callable, results: TestResult + ) -> None: """stop the request from returning objects and records any errors""" cb = request.callback + assert cb is not None @wraps(cb) - def cb_wrapper(response, **cb_kwargs): + def cb_wrapper(response: Response, **cb_kwargs: Any) -> None: try: output = cb(response, **cb_kwargs) output = list(iterate_spider_output(output)) @@ -169,7 +194,7 @@ class ContractsManager: case = _create_testcase(method, "callback") results.addError(case, sys.exc_info()) - def eb_wrapper(failure): + def eb_wrapper(failure: Failure) -> None: case = _create_testcase(method, "errback") exc_info = failure.type, failure.value, failure.getTracebackObject() results.addError(case, exc_info) @@ -178,11 +203,11 @@ class ContractsManager: request.errback = eb_wrapper -def _create_testcase(method, desc): - spider = method.__self__.name +def _create_testcase(method: Callable, desc: str) -> TestCase: + spider = method.__self__.name # type: ignore[attr-defined] class ContractTestCase(TestCase): - def __str__(_self): + def __str__(_self) -> str: return f"[{spider}] {method.__name__} ({desc})" name = f"{spider}_{method.__name__}" diff --git a/scrapy/contracts/default.py b/scrapy/contracts/default.py index eac702cef..71ca4168a 100644 --- a/scrapy/contracts/default.py +++ b/scrapy/contracts/default.py @@ -1,4 +1,5 @@ import json +from typing import Any, Callable, Dict, List, Optional from itemadapter import ItemAdapter, is_item @@ -15,7 +16,7 @@ class UrlContract(Contract): name = "url" - def adjust_request_args(self, args): + def adjust_request_args(self, args: Dict[str, Any]) -> Dict[str, Any]: args["url"] = self.args[0] return args @@ -29,7 +30,7 @@ class CallbackKeywordArgumentsContract(Contract): name = "cb_kwargs" - def adjust_request_args(self, args): + def adjust_request_args(self, args: Dict[str, Any]) -> Dict[str, Any]: args["cb_kwargs"] = json.loads(" ".join(self.args)) return args @@ -48,14 +49,14 @@ class ReturnsContract(Contract): """ name = "returns" - object_type_verifiers = { + object_type_verifiers: Dict[Optional[str], Callable[[Any], bool]] = { "request": lambda x: isinstance(x, Request), "requests": lambda x: isinstance(x, Request), "item": is_item, "items": is_item, } - def __init__(self, *args, **kwargs): + def __init__(self, *args: Any, **kwargs: Any): super().__init__(*args, **kwargs) if len(self.args) not in [1, 2, 3]: @@ -66,16 +67,16 @@ class ReturnsContract(Contract): self.obj_type_verifier = self.object_type_verifiers[self.obj_name] try: - self.min_bound = int(self.args[1]) + self.min_bound: float = int(self.args[1]) except IndexError: self.min_bound = 1 try: - self.max_bound = int(self.args[2]) + self.max_bound: float = int(self.args[2]) except IndexError: self.max_bound = float("inf") - def post_process(self, output): + def post_process(self, output: List[Any]) -> None: occurrences = 0 for x in output: if self.obj_type_verifier(x): @@ -85,7 +86,7 @@ class ReturnsContract(Contract): if not assertion: if self.min_bound == self.max_bound: - expected = self.min_bound + expected = str(self.min_bound) else: expected = f"{self.min_bound}..{self.max_bound}" @@ -101,7 +102,7 @@ class ScrapesContract(Contract): name = "scrapes" - def post_process(self, output): + def post_process(self, output: List[Any]) -> None: for x in output: if is_item(x): missing = [arg for arg in self.args if arg not in ItemAdapter(x)] From 534a66e9548142a71b118c82e328a08c6e0350b4 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 22 May 2024 13:16:00 +0500 Subject: [PATCH 181/786] Bump 3.13 to beta1. --- .github/workflows/checks.yml | 4 ++-- .github/workflows/publish.yml | 2 +- .github/workflows/tests-macos.yml | 2 +- .github/workflows/tests-ubuntu.yml | 8 ++++---- .github/workflows/tests-windows.yml | 4 ++-- 5 files changed, 10 insertions(+), 10 deletions(-) diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml index 4c0400cde..46fd15415 100644 --- a/.github/workflows/checks.yml +++ b/.github/workflows/checks.yml @@ -12,7 +12,7 @@ jobs: fail-fast: false matrix: include: - - python-version: "3.13.0-alpha.2" + - python-version: "3.13.0-beta.1" env: TOXENV: pylint - python-version: 3.8 @@ -24,7 +24,7 @@ jobs: - python-version: "3.11" # Keep in sync with .readthedocs.yml env: TOXENV: docs - - python-version: "3.13.0-alpha.2" + - python-version: "3.13.0-beta.1" env: TOXENV: twinecheck diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml index 456c0ffdd..ad94ae9cd 100644 --- a/.github/workflows/publish.yml +++ b/.github/workflows/publish.yml @@ -15,7 +15,7 @@ jobs: - uses: actions/checkout@v4 - uses: actions/setup-python@v4 with: - python-version: "3.13.0-alpha.2" + python-version: "3.13.0-beta.1" - run: | pip install --upgrade build twine python -m build diff --git a/.github/workflows/tests-macos.yml b/.github/workflows/tests-macos.yml index 6b110b5d7..18890239c 100644 --- a/.github/workflows/tests-macos.yml +++ b/.github/workflows/tests-macos.yml @@ -11,7 +11,7 @@ jobs: strategy: fail-fast: false matrix: - python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13.0-alpha.2"] + python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13.0-beta.1"] steps: - uses: actions/checkout@v4 diff --git a/.github/workflows/tests-ubuntu.yml b/.github/workflows/tests-ubuntu.yml index fd08247e4..121b5271a 100644 --- a/.github/workflows/tests-ubuntu.yml +++ b/.github/workflows/tests-ubuntu.yml @@ -24,10 +24,10 @@ jobs: - python-version: "3.12" env: TOXENV: py - - python-version: "3.13.0-alpha.2" + - python-version: "3.13.0-beta.1" env: TOXENV: py - - python-version: "3.13.0-alpha.2" + - python-version: "3.13.0-beta.1" env: TOXENV: asyncio - python-version: pypy3.9 @@ -54,10 +54,10 @@ jobs: env: TOXENV: botocore-pinned - - python-version: "3.13.0-alpha.2" + - python-version: "3.13.0-beta.1" env: TOXENV: extra-deps - - python-version: "3.13.0-alpha.2" + - python-version: "3.13.0-beta.1" env: TOXENV: botocore diff --git a/.github/workflows/tests-windows.yml b/.github/workflows/tests-windows.yml index be082393e..e23c3e67d 100644 --- a/.github/workflows/tests-windows.yml +++ b/.github/workflows/tests-windows.yml @@ -27,10 +27,10 @@ jobs: - python-version: "3.12" env: TOXENV: py - - python-version: "3.13.0-alpha.2" + - python-version: "3.13.0-beta.1" env: TOXENV: py - - python-version: "3.13.0-alpha.2" + - python-version: "3.13.0-beta.1" env: TOXENV: asyncio From b6d3d9076fe4c089a278e0a18bd05f1c0796418f Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 22 May 2024 13:20:48 +0500 Subject: [PATCH 182/786] Help with building lxml on 3.13beta1. --- .github/workflows/tests-ubuntu.yml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/.github/workflows/tests-ubuntu.yml b/.github/workflows/tests-ubuntu.yml index 121b5271a..7ea58b7df 100644 --- a/.github/workflows/tests-ubuntu.yml +++ b/.github/workflows/tests-ubuntu.yml @@ -70,7 +70,7 @@ jobs: python-version: ${{ matrix.python-version }} - name: Install system libraries - if: contains(matrix.python-version, 'pypy') || contains(matrix.env.TOXENV, 'pinned') + if: contains(matrix.python-version, 'pypy') || contains(matrix.python-version, 'beta') || contains(matrix.env.TOXENV, 'pinned') run: | sudo apt-get update sudo apt-get install libxml2-dev libxslt-dev From 04bc1e6e2a51e874cc6d676ccb111b0793e2776e Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 22 May 2024 13:24:35 +0500 Subject: [PATCH 183/786] Skip zstandard on 3.13. --- tox.ini | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tox.ini b/tox.ini index cde4243f3..37a27ae83 100644 --- a/tox.ini +++ b/tox.ini @@ -155,7 +155,7 @@ deps = bpython # optional for shell wrapper tests brotli; implementation_name != 'pypy' # optional for HTTP compress downloader middleware tests brotlicffi; implementation_name == 'pypy' # optional for HTTP compress downloader middleware tests - zstandard; implementation_name != 'pypy' # optional for HTTP compress downloader middleware tests + zstandard; implementation_name != 'pypy' and python_version < '3.13' # optional for HTTP compress downloader middleware tests ipython [testenv:extra-deps-pinned] From e676cd3ce0d488f56498b766912725066bcee4d9 Mon Sep 17 00:00:00 2001 From: Laerte Pereira Date: Wed, 22 May 2024 07:55:53 -0300 Subject: [PATCH 184/786] docs: Remove top-level reactor imports from CrawlerProces/CrawlerRunner examples --- docs/topics/practices.rst | 35 ++++++++++++++++++++++++++++++++--- 1 file changed, 32 insertions(+), 3 deletions(-) diff --git a/docs/topics/practices.rst b/docs/topics/practices.rst index cd359b147..7731180fe 100644 --- a/docs/topics/practices.rst +++ b/docs/topics/practices.rst @@ -92,7 +92,6 @@ reactor after ``MySpider`` has finished running. .. code-block:: python - from twisted.internet import reactor import scrapy from scrapy.crawler import CrawlerRunner from scrapy.utils.log import configure_logging @@ -107,6 +106,33 @@ reactor after ``MySpider`` has finished running. runner = CrawlerRunner() d = runner.crawl(MySpider) + from twisted.internet import reactor + + d.addBoth(lambda _: reactor.stop()) + reactor.run() # the script will block here until the crawling is finished + +Same example but using a non-default reactor, is only necessary call ``install_reactor`` if you are using ``CrawlerRunner`` since ``CrawlerProcess`` already does this automatically. + +.. code-block:: python + + import scrapy + from scrapy.crawler import CrawlerRunner + from scrapy.utils.log import configure_logging + + + class MySpider(scrapy.Spider): + # Your spider definition + ... + + + configure_logging({"LOG_FORMAT": "%(levelname)s: %(message)s"}) + from scrapy.utils.reactor import install_reactor + + install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") + runner = CrawlerRunner() + d = runner.crawl(MySpider) + from twisted.internet import reactor + d.addBoth(lambda _: reactor.stop()) reactor.run() # the script will block here until the crawling is finished @@ -151,7 +177,6 @@ Same example using :class:`~scrapy.crawler.CrawlerRunner`: .. code-block:: python import scrapy - from twisted.internet import reactor from scrapy.crawler import CrawlerRunner from scrapy.utils.log import configure_logging from scrapy.utils.project import get_project_settings @@ -173,6 +198,8 @@ Same example using :class:`~scrapy.crawler.CrawlerRunner`: runner.crawl(MySpider1) runner.crawl(MySpider2) d = runner.join() + from twisted.internet import reactor + d.addBoth(lambda _: reactor.stop()) reactor.run() # the script will block here until all crawling jobs are finished @@ -181,7 +208,7 @@ Same example but running the spiders sequentially by chaining the deferreds: .. code-block:: python - from twisted.internet import reactor, defer + from twisted.internet import defer from scrapy.crawler import CrawlerRunner from scrapy.utils.log import configure_logging from scrapy.utils.project import get_project_settings @@ -209,6 +236,8 @@ Same example but running the spiders sequentially by chaining the deferreds: reactor.stop() + from twisted.internet import reactor + crawl() reactor.run() # the script will block here until the last crawl call is finished From 8210fae25a9d812447df617155001b9861e0d834 Mon Sep 17 00:00:00 2001 From: Laerte Pereira <5853172+Laerte@users.noreply.github.com> Date: Wed, 22 May 2024 18:50:50 -0300 Subject: [PATCH 185/786] Update docs/topics/practices.rst Co-authored-by: Andrey Rakhmatullin --- docs/topics/practices.rst | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/docs/topics/practices.rst b/docs/topics/practices.rst index 7731180fe..710be7aa2 100644 --- a/docs/topics/practices.rst +++ b/docs/topics/practices.rst @@ -111,7 +111,9 @@ reactor after ``MySpider`` has finished running. d.addBoth(lambda _: reactor.stop()) reactor.run() # the script will block here until the crawling is finished -Same example but using a non-default reactor, is only necessary call ``install_reactor`` if you are using ``CrawlerRunner`` since ``CrawlerProcess`` already does this automatically. +Same example but using a non-default reactor, it's only necessary call +``install_reactor`` if you are using ``CrawlerRunner`` since ``CrawlerProcess`` + already does this automatically. .. code-block:: python From dc6a495fee41949d50178b9e46d6f41e83425ca2 Mon Sep 17 00:00:00 2001 From: Laerte Pereira <5853172+Laerte@users.noreply.github.com> Date: Wed, 22 May 2024 18:51:02 -0300 Subject: [PATCH 186/786] Update docs/topics/practices.rst Co-authored-by: Andrey Rakhmatullin --- docs/topics/practices.rst | 1 + 1 file changed, 1 insertion(+) diff --git a/docs/topics/practices.rst b/docs/topics/practices.rst index 710be7aa2..cec098012 100644 --- a/docs/topics/practices.rst +++ b/docs/topics/practices.rst @@ -106,6 +106,7 @@ reactor after ``MySpider`` has finished running. runner = CrawlerRunner() d = runner.crawl(MySpider) + from twisted.internet import reactor d.addBoth(lambda _: reactor.stop()) From 3f66b66e3f645393dbb263a1ec7ab04bdabd74b4 Mon Sep 17 00:00:00 2001 From: Laerte Pereira Date: Wed, 22 May 2024 22:01:55 -0300 Subject: [PATCH 187/786] fix: checks --- docs/topics/practices.rst | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/docs/topics/practices.rst b/docs/topics/practices.rst index cec098012..aa81ceea5 100644 --- a/docs/topics/practices.rst +++ b/docs/topics/practices.rst @@ -113,8 +113,7 @@ reactor after ``MySpider`` has finished running. reactor.run() # the script will block here until the crawling is finished Same example but using a non-default reactor, it's only necessary call -``install_reactor`` if you are using ``CrawlerRunner`` since ``CrawlerProcess`` - already does this automatically. +``install_reactor`` if you are using ``CrawlerRunner`` since ``CrawlerProcess`` already does this automatically. .. code-block:: python From e143dc795228424fa98cb40e17b9993617ae61ae Mon Sep 17 00:00:00 2001 From: Laerte Pereira <5853172+Laerte@users.noreply.github.com> Date: Wed, 22 May 2024 22:26:31 -0300 Subject: [PATCH 188/786] Update tests-macos.yml --- .github/workflows/tests-macos.yml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/.github/workflows/tests-macos.yml b/.github/workflows/tests-macos.yml index 252176464..95016146e 100644 --- a/.github/workflows/tests-macos.yml +++ b/.github/workflows/tests-macos.yml @@ -1,4 +1,4 @@ -name: macOS +name: macOS. on: [push, pull_request] concurrency: From 9d5a0d287b69a69fe34cbe3130438fb36f1f3441 Mon Sep 17 00:00:00 2001 From: Laerte Pereira <5853172+Laerte@users.noreply.github.com> Date: Wed, 22 May 2024 22:27:07 -0300 Subject: [PATCH 189/786] Retrigger CI --- .github/workflows/tests-macos.yml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/.github/workflows/tests-macos.yml b/.github/workflows/tests-macos.yml index 95016146e..252176464 100644 --- a/.github/workflows/tests-macos.yml +++ b/.github/workflows/tests-macos.yml @@ -1,4 +1,4 @@ -name: macOS. +name: macOS on: [push, pull_request] concurrency: From 17e623cf0cfb5c695c43ceb069026d44cb28ca21 Mon Sep 17 00:00:00 2001 From: Laerte Pereira <5853172+Laerte@users.noreply.github.com> Date: Thu, 23 May 2024 07:00:24 -0300 Subject: [PATCH 190/786] Update docs/topics/practices.rst Co-authored-by: Andrey Rakhmatullin --- docs/topics/practices.rst | 1 + 1 file changed, 1 insertion(+) diff --git a/docs/topics/practices.rst b/docs/topics/practices.rst index aa81ceea5..64b3b6e81 100644 --- a/docs/topics/practices.rst +++ b/docs/topics/practices.rst @@ -128,6 +128,7 @@ Same example but using a non-default reactor, it's only necessary call configure_logging({"LOG_FORMAT": "%(levelname)s: %(message)s"}) + from scrapy.utils.reactor import install_reactor install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") From 8ec67ca230a69effb2e0442fb2a6c06cd6c92adf Mon Sep 17 00:00:00 2001 From: Laerte Pereira <5853172+Laerte@users.noreply.github.com> Date: Thu, 23 May 2024 07:00:35 -0300 Subject: [PATCH 191/786] Update docs/topics/practices.rst Co-authored-by: Andrey Rakhmatullin --- docs/topics/practices.rst | 1 + 1 file changed, 1 insertion(+) diff --git a/docs/topics/practices.rst b/docs/topics/practices.rst index 64b3b6e81..ee484e63f 100644 --- a/docs/topics/practices.rst +++ b/docs/topics/practices.rst @@ -134,6 +134,7 @@ Same example but using a non-default reactor, it's only necessary call install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") runner = CrawlerRunner() d = runner.crawl(MySpider) + from twisted.internet import reactor d.addBoth(lambda _: reactor.stop()) From 62c89aaf056687091235bb846ac565f7c801c359 Mon Sep 17 00:00:00 2001 From: Laerte Pereira <5853172+Laerte@users.noreply.github.com> Date: Thu, 23 May 2024 07:00:45 -0300 Subject: [PATCH 192/786] Update docs/topics/practices.rst Co-authored-by: Andrey Rakhmatullin --- docs/topics/practices.rst | 1 + 1 file changed, 1 insertion(+) diff --git a/docs/topics/practices.rst b/docs/topics/practices.rst index ee484e63f..1500011e7 100644 --- a/docs/topics/practices.rst +++ b/docs/topics/practices.rst @@ -202,6 +202,7 @@ Same example using :class:`~scrapy.crawler.CrawlerRunner`: runner.crawl(MySpider1) runner.crawl(MySpider2) d = runner.join() + from twisted.internet import reactor d.addBoth(lambda _: reactor.stop()) From 2facdd4fb08ec3edaf1752047dd86d5b565621a1 Mon Sep 17 00:00:00 2001 From: Laerte Pereira Date: Sun, 26 May 2024 19:55:54 -0300 Subject: [PATCH 193/786] Add change reactor test to CrawlerRunner --- .flake8 | 1 + scrapy/crawler.py | 2 ++ tests/CrawlerRunner/change_reactor.py | 31 +++++++++++++++++++++++++++ tests/test_crawler.py | 8 +++++++ 4 files changed, 42 insertions(+) create mode 100644 tests/CrawlerRunner/change_reactor.py diff --git a/.flake8 b/.flake8 index 62ccad9cf..0e43b9b56 100644 --- a/.flake8 +++ b/.flake8 @@ -9,6 +9,7 @@ exclude = per-file-ignores = # Exclude files that are meant to provide top-level imports # E402: Module level import not at top of file + tests/CrawlerRunner/change_reactor.py:E402 # F401: Module imported but unused scrapy/__init__.py:E402 scrapy/core/downloader/handlers/http.py:F401 diff --git a/scrapy/crawler.py b/scrapy/crawler.py index ccfe78891..4fe5987a7 100644 --- a/scrapy/crawler.py +++ b/scrapy/crawler.py @@ -129,6 +129,8 @@ class Crawler: if is_asyncio_reactor_installed() and event_loop: verify_installed_asyncio_event_loop(event_loop) + log_reactor_info() + self.extensions = ExtensionManager.from_crawler(self) self.settings.freeze() diff --git a/tests/CrawlerRunner/change_reactor.py b/tests/CrawlerRunner/change_reactor.py new file mode 100644 index 000000000..b20aa0c7c --- /dev/null +++ b/tests/CrawlerRunner/change_reactor.py @@ -0,0 +1,31 @@ +from scrapy import Spider +from scrapy.crawler import CrawlerRunner +from scrapy.utils.log import configure_logging + + +class NoRequestsSpider(Spider): + name = "no_request" + + custom_settings = { + "TWISTED_REACTOR": "twisted.internet.asyncioreactor.AsyncioSelectorReactor", + } + + def start_requests(self): + return [] + + +configure_logging({"LOG_FORMAT": "%(levelname)s: %(message)s", "LOG_LEVEL": "DEBUG"}) + + +from scrapy.utils.reactor import install_reactor + +install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") + +runner = CrawlerRunner() + +d = runner.crawl(NoRequestsSpider) + +from twisted.internet import reactor + +d.addBoth(callback=lambda _: reactor.stop()) +reactor.run() diff --git a/tests/test_crawler.py b/tests/test_crawler.py index 989208694..791ea1faa 100644 --- a/tests/test_crawler.py +++ b/tests/test_crawler.py @@ -926,3 +926,11 @@ class CrawlerRunnerSubprocess(ScriptRunnerMixin, unittest.TestCase): self.assertIn("INFO: Host: not.a.real.domain", log) self.assertIn("INFO: Type: ", log) self.assertIn("INFO: IP address: 127.0.0.1", log) + + def test_change_default_reactor(self): + log = self.run_script("change_reactor.py") + self.assertIn( + "DEBUG: Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor", + log, + ) + self.assertIn("DEBUG: Using asyncio event loop", log) From 6cd085785028d97393f26e6fee22e6c03e5c90a8 Mon Sep 17 00:00:00 2001 From: Laerte Pereira Date: Sun, 26 May 2024 19:57:16 -0300 Subject: [PATCH 194/786] Move path --- .flake8 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/.flake8 b/.flake8 index 0e43b9b56..cf1a96476 100644 --- a/.flake8 +++ b/.flake8 @@ -9,7 +9,6 @@ exclude = per-file-ignores = # Exclude files that are meant to provide top-level imports # E402: Module level import not at top of file - tests/CrawlerRunner/change_reactor.py:E402 # F401: Module imported but unused scrapy/__init__.py:E402 scrapy/core/downloader/handlers/http.py:F401 @@ -17,6 +16,7 @@ per-file-ignores = scrapy/linkextractors/__init__.py:E402,F401 scrapy/selector/__init__.py:F401 scrapy/spiders/__init__.py:E402,F401 + tests/CrawlerRunner/change_reactor.py:E402 # Issues pending a review: scrapy/utils/url.py:F403,F405 From 9ba4dd311dd9d2a5341ee9c0c6d1b50eb44ac406 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Tue, 28 May 2024 12:27:49 +0400 Subject: [PATCH 195/786] Install typing stubs for boto3 and botocore. (#6370) --- scrapy/core/downloader/handlers/s3.py | 3 ++- scrapy/extensions/feedexport.py | 11 +++++++---- tox.ini | 13 ++++++++----- 3 files changed, 17 insertions(+), 10 deletions(-) diff --git a/scrapy/core/downloader/handlers/s3.py b/scrapy/core/downloader/handlers/s3.py index 9a0811a50..1a3d36f45 100644 --- a/scrapy/core/downloader/handlers/s3.py +++ b/scrapy/core/downloader/handlers/s3.py @@ -59,7 +59,8 @@ class S3DownloadHandler: assert aws_access_key_id is not None assert aws_secret_access_key is not None SignerCls = botocore.auth.AUTH_TYPE_MAPS["s3"] - self._signer = SignerCls( + # botocore.auth.BaseSigner doesn't have an __init__() with args, only subclasses do + self._signer = SignerCls( # type: ignore[call-arg] botocore.credentials.Credentials( aws_access_key_id, aws_secret_access_key, aws_session_token ) diff --git a/scrapy/extensions/feedexport.py b/scrapy/extensions/feedexport.py index 97f39afe7..3c2bb5593 100644 --- a/scrapy/extensions/feedexport.py +++ b/scrapy/extensions/feedexport.py @@ -238,13 +238,16 @@ class S3FeedStorage(BlockingFeedStorage): self.acl: Optional[str] = acl self.endpoint_url: Optional[str] = endpoint_url self.region_name: Optional[str] = region_name + # It can be either botocore.client.BaseClient or mypy_boto3_s3.S3Client, + # there seems to be no good way to infer it statically. + self.s3_client: Any if IS_BOTO3_AVAILABLE: import boto3.session - session = boto3.session.Session() + boto3_session = boto3.session.Session() - self.s3_client = session.client( + self.s3_client = boto3_session.client( "s3", aws_access_key_id=self.access_key, aws_secret_access_key=self.secret_key, @@ -261,9 +264,9 @@ class S3FeedStorage(BlockingFeedStorage): import botocore.session - session = botocore.session.get_session() + botocore_session = botocore.session.get_session() - self.s3_client = session.create_client( + self.s3_client = botocore_session.create_client( "s3", aws_access_key_id=self.access_key, aws_secret_access_key=self.secret_key, diff --git a/tox.ini b/tox.ini index cde4243f3..5a5e80496 100644 --- a/tox.ini +++ b/tox.ini @@ -48,12 +48,15 @@ basepython = python3 deps = mypy==1.10.0 typing-extensions==4.11.0 - types-attrs==19.1.0 types-lxml==2024.4.14 - types-Pillow==10.2.0.20240423 - types-Pygments==2.17.0.20240310 - types-pyOpenSSL==24.0.0.20240417 - types-setuptools==69.5.0.20240423 + types-Pygments==2.18.0.20240506 + types-pyOpenSSL==24.1.0.20240425 + types-setuptools==69.5.0.20240518 + botocore-stubs==1.34.94 + boto3-stubs[s3]==1.34.108 + attrs >= 18.2.0 + Pillow >= 10.3.0 + pytest >= 8.2.0 # 2.1.2 fixes a typing bug: https://github.com/scrapy/w3lib/pull/211 w3lib >= 2.1.2 commands = From 986d1ee1dd5b2efba0f787af8ee510450b4af3b4 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Tue, 28 May 2024 12:37:19 +0400 Subject: [PATCH 196/786] Move CI from the decommissioned macos-11 to macos-latest. (#6372) --- .github/workflows/tests-macos.yml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/.github/workflows/tests-macos.yml b/.github/workflows/tests-macos.yml index 252176464..a297f494c 100644 --- a/.github/workflows/tests-macos.yml +++ b/.github/workflows/tests-macos.yml @@ -7,7 +7,7 @@ concurrency: jobs: tests: - runs-on: macos-11 + runs-on: macos-latest strategy: fail-fast: false matrix: From cadb0dd707fc54670cb0eab06f0af65dcaa99354 Mon Sep 17 00:00:00 2001 From: Sanchay Kumar <51812506+kumar-sanchay@users.noreply.github.com> Date: Tue, 28 May 2024 14:12:58 +0530 Subject: [PATCH 197/786] Fix overridable methods in MediaPipeline (#6368) --- scrapy/pipelines/media.py | 26 +++--- tests/test_pipeline_media.py | 173 ++++++++++++----------------------- 2 files changed, 73 insertions(+), 126 deletions(-) diff --git a/scrapy/pipelines/media.py b/scrapy/pipelines/media.py index 5f6c5cb07..25e00b0ea 100644 --- a/scrapy/pipelines/media.py +++ b/scrapy/pipelines/media.py @@ -2,6 +2,7 @@ from __future__ import annotations import functools import logging +from abc import ABC, abstractmethod from collections import defaultdict from typing import TYPE_CHECKING @@ -27,7 +28,7 @@ def _DUMMY_CALLBACK(response): return response -class MediaPipeline: +class MediaPipeline(ABC): LOG_FAILED_RESULTS = True class SpiderInfo: @@ -55,14 +56,6 @@ class MediaPipeline: self.handle_httpstatus_list = SequenceExclude(range(300, 400)) def _key_for_pipe(self, key, base_class_name=None, settings=None): - """ - >>> MediaPipeline()._key_for_pipe("IMAGES") - 'IMAGES' - >>> class MyPipe(MediaPipeline): - ... pass - >>> MyPipe()._key_for_pipe("IMAGES", base_class_name="MediaPipeline") - 'MYPIPE_IMAGES' - """ class_name = self.__class__.__name__ formatted_key = f"{class_name.upper()}_{key}" if ( @@ -192,21 +185,25 @@ class MediaPipeline: defer_result(result).chainDeferred(wad) # Overridable Interface + @abstractmethod def media_to_download(self, request, info, *, item=None): """Check request before starting download""" - pass + raise NotImplementedError() + @abstractmethod def get_media_requests(self, item, info): """Returns the media requests to download""" - pass + raise NotImplementedError() + @abstractmethod def media_downloaded(self, response, request, info, *, item=None): """Handler for success downloads""" - return response + raise NotImplementedError() + @abstractmethod def media_failed(self, failure, request, info): """Handler for failed downloads""" - return failure + raise NotImplementedError() def item_completed(self, results, item, info): """Called per item when all media requests has been processed""" @@ -221,6 +218,7 @@ class MediaPipeline: ) return item + @abstractmethod def file_path(self, request, response=None, info=None, *, item=None): """Returns the path where downloaded media should be stored""" - pass + raise NotImplementedError() diff --git a/tests/test_pipeline_media.py b/tests/test_pipeline_media.py index d4dde4a40..763453551 100644 --- a/tests/test_pipeline_media.py +++ b/tests/test_pipeline_media.py @@ -1,4 +1,3 @@ -import io from typing import Optional from testfixtures import LogCapture @@ -11,7 +10,6 @@ from scrapy import signals from scrapy.http import Request, Response from scrapy.http.request import NO_CALLBACK from scrapy.pipelines.files import FileException -from scrapy.pipelines.images import ImagesPipeline from scrapy.pipelines.media import MediaPipeline from scrapy.settings import Settings from scrapy.spiders import Spider @@ -35,8 +33,26 @@ def _mocked_download_func(request, info): return response() if callable(response) else response +class UserDefinedPipeline(MediaPipeline): + + def media_to_download(self, request, info, *, item=None): + pass + + def get_media_requests(self, item, info): + pass + + def media_downloaded(self, response, request, info, *, item=None): + return {} + + def media_failed(self, failure, request, info): + return failure + + def file_path(self, request, response=None, info=None, *, item=None): + return "" + + class BaseMediaPipelineTestCase(unittest.TestCase): - pipeline_class = MediaPipeline + pipeline_class = UserDefinedPipeline settings = None def setUp(self): @@ -54,54 +70,6 @@ class BaseMediaPipelineTestCase(unittest.TestCase): if not name.startswith("_"): disconnect_all(signal) - def test_default_media_to_download(self): - request = Request("http://url") - assert self.pipe.media_to_download(request, self.info) is None - - def test_default_get_media_requests(self): - item = {"name": "name"} - assert self.pipe.get_media_requests(item, self.info) is None - - def test_default_media_downloaded(self): - request = Request("http://url") - response = Response("http://url", body=b"") - assert self.pipe.media_downloaded(response, request, self.info) is response - - def test_default_media_failed(self): - request = Request("http://url") - fail = Failure(Exception()) - assert self.pipe.media_failed(fail, request, self.info) is fail - - def test_default_item_completed(self): - item = {"name": "name"} - assert self.pipe.item_completed([], item, self.info) is item - - # Check that failures are logged by default - fail = Failure(Exception()) - results = [(True, 1), (False, fail)] - - with LogCapture() as log: - new_item = self.pipe.item_completed(results, item, self.info) - - assert new_item is item - assert len(log.records) == 1 - record = log.records[0] - assert record.levelname == "ERROR" - self.assertTupleEqual(record.exc_info, failure_to_exc_info(fail)) - - # disable failure logging and check again - self.pipe.LOG_FAILED_RESULTS = False - with LogCapture() as log: - new_item = self.pipe.item_completed(results, item, self.info) - assert new_item is item - assert len(log.records) == 0 - - @inlineCallbacks - def test_default_process_item(self): - item = {"name": "name"} - new_item = yield self.pipe.process_item(item, self.spider) - assert new_item is item - def test_modify_media_request(self): request = Request("http://url") self.pipe._modify_media_request(request) @@ -175,8 +143,38 @@ class BaseMediaPipelineTestCase(unittest.TestCase): context = getattr(info.downloaded[fp].value, "__context__", None) self.assertIsNone(context) + def test_default_item_completed(self): + item = {"name": "name"} + assert self.pipe.item_completed([], item, self.info) is item -class MockedMediaPipeline(MediaPipeline): + # Check that failures are logged by default + fail = Failure(Exception()) + results = [(True, 1), (False, fail)] + + with LogCapture() as log: + new_item = self.pipe.item_completed(results, item, self.info) + + assert new_item is item + assert len(log.records) == 1 + record = log.records[0] + assert record.levelname == "ERROR" + self.assertTupleEqual(record.exc_info, failure_to_exc_info(fail)) + + # disable failure logging and check again + self.pipe.LOG_FAILED_RESULTS = False + with LogCapture() as log: + new_item = self.pipe.item_completed(results, item, self.info) + assert new_item is item + assert len(log.records) == 0 + + @inlineCallbacks + def test_default_process_item(self): + item = {"name": "name"} + new_item = yield self.pipe.process_item(item, self.spider) + assert new_item is item + + +class MockedMediaPipeline(UserDefinedPipeline): def __init__(self, *args, **kwargs): super().__init__(*args, **kwargs) self._mockcalled = [] @@ -232,7 +230,7 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): ) item = {"requests": req} new_item = yield self.pipe.process_item(item, self.spider) - self.assertEqual(new_item["results"], [(True, rsp)]) + self.assertEqual(new_item["results"], [(True, {})]) self.assertEqual( self.pipe._mockcalled, [ @@ -277,7 +275,7 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): req2 = Request("http://url2", meta={"response": fail}) item = {"requests": [req1, req2]} new_item = yield self.pipe.process_item(item, self.spider) - self.assertEqual(new_item["results"], [(True, rsp1), (False, fail)]) + self.assertEqual(new_item["results"], [(True, {}), (False, fail)]) m = self.pipe._mockcalled # only once self.assertEqual(m[0], "get_media_requests") # first hook called @@ -315,7 +313,7 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): item = {"requests": req1} new_item = yield self.pipe.process_item(item, self.spider) self.assertTrue(new_item is item) - self.assertEqual(new_item["results"], [(True, rsp1)]) + self.assertEqual(new_item["results"], [(True, {})]) # rsp2 is ignored, rsp1 must be in results because request fingerprints are the same req2 = Request( @@ -325,7 +323,7 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): new_item = yield self.pipe.process_item(item, self.spider) self.assertTrue(new_item is item) self.assertEqual(self.fingerprint(req1), self.fingerprint(req2)) - self.assertEqual(new_item["results"], [(True, rsp1)]) + self.assertEqual(new_item["results"], [(True, {})]) @inlineCallbacks def test_results_are_cached_for_requests_of_single_item(self): @@ -337,7 +335,7 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): item = {"requests": [req1, req2]} new_item = yield self.pipe.process_item(item, self.spider) self.assertTrue(new_item is item) - self.assertEqual(new_item["results"], [(True, rsp1), (True, rsp1)]) + self.assertEqual(new_item["results"], [(True, {}), (True, {})]) @inlineCallbacks def test_wait_if_request_is_downloading(self): @@ -363,7 +361,7 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): req2 = Request(req1.url, meta={"response": rsp2_func}) item = {"requests": [req1, req2]} new_item = yield self.pipe.process_item(item, self.spider) - self.assertEqual(new_item["results"], [(True, rsp1), (True, rsp1)]) + self.assertEqual(new_item["results"], [(True, {}), (True, {})]) @inlineCallbacks def test_use_media_to_download_result(self): @@ -376,57 +374,15 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): ["get_media_requests", "media_to_download", "item_completed"], ) - -class MockedMediaPipelineDeprecatedMethods(ImagesPipeline): - def __init__(self, *args, **kwargs): - super().__init__(*args, **kwargs) - self._mockcalled = [] - - def get_media_requests(self, item, info): - item_url = item["image_urls"][0] - output_img = io.BytesIO() - img = Image.new("RGB", (60, 30), color="red") - img.save(output_img, format="JPEG") - return Request( - item_url, - meta={ - "response": Response(item_url, status=200, body=output_img.getvalue()) - }, + def test_key_for_pipe(self): + self.assertEqual( + self.pipe._key_for_pipe("IMAGES", base_class_name="MediaPipeline"), + "MOCKEDMEDIAPIPELINE_IMAGES", ) - def inc_stats(self, *args, **kwargs): - return True - - def media_to_download(self, request, info): - self._mockcalled.append("media_to_download") - return super().media_to_download(request, info) - - def media_downloaded(self, response, request, info): - self._mockcalled.append("media_downloaded") - return super().media_downloaded(response, request, info) - - def file_downloaded(self, response, request, info): - self._mockcalled.append("file_downloaded") - return super().file_downloaded(response, request, info) - - def file_path(self, request, response=None, info=None): - self._mockcalled.append("file_path") - return super().file_path(request, response, info) - - def thumb_path(self, request, thumb_id, response=None, info=None): - self._mockcalled.append("thumb_path") - return super().thumb_path(request, thumb_id, response, info) - - def get_images(self, response, request, info): - self._mockcalled.append("get_images") - return super().get_images(response, request, info) - - def image_downloaded(self, response, request, info): - self._mockcalled.append("image_downloaded") - return super().image_downloaded(response, request, info) - class MediaPipelineAllowRedirectSettingsTestCase(unittest.TestCase): + def _assert_request_no3xx(self, pipeline_class, settings): pipe = pipeline_class(settings=Settings(settings)) request = Request("http://url") @@ -452,18 +408,11 @@ class MediaPipelineAllowRedirectSettingsTestCase(unittest.TestCase): else: self.assertNotIn(status, request.meta["handle_httpstatus_list"]) - def test_standard_setting(self): - self._assert_request_no3xx(MediaPipeline, {"MEDIA_ALLOW_REDIRECTS": True}) - def test_subclass_standard_setting(self): - class UserDefinedPipeline(MediaPipeline): - pass self._assert_request_no3xx(UserDefinedPipeline, {"MEDIA_ALLOW_REDIRECTS": True}) def test_subclass_specific_setting(self): - class UserDefinedPipeline(MediaPipeline): - pass self._assert_request_no3xx( UserDefinedPipeline, {"USERDEFINEDPIPELINE_MEDIA_ALLOW_REDIRECTS": True} From d9b5538e3c758d9835fd97a0a60ab2dff810e984 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Tue, 28 May 2024 14:04:58 +0500 Subject: [PATCH 198/786] Bump twinecheck deps. --- tox.ini | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tox.ini b/tox.ini index 37a27ae83..615164714 100644 --- a/tox.ini +++ b/tox.ini @@ -86,8 +86,8 @@ commands = [testenv:twinecheck] basepython = python3 deps = - twine==4.0.2 - build==1.0.3 + twine==5.1.0 + build==1.2.1 commands = python -m build --sdist twine check dist/* From 42347de53f8704c835cd0c25290245d73355d6f5 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Tue, 28 May 2024 14:30:35 +0500 Subject: [PATCH 199/786] Install pre-release cffi on 3.13. --- tox.ini | 1 + 1 file changed, 1 insertion(+) diff --git a/tox.ini b/tox.ini index 615164714..8e38112e5 100644 --- a/tox.ini +++ b/tox.ini @@ -19,6 +19,7 @@ deps = sybil >= 1.3.0 # https://github.com/cjw296/sybil/issues/20#issuecomment-605433422 testfixtures pywin32; sys_platform == "win32" + cffi >= 1.17.0rc1; python_version >= '3.13' [testenv] deps = From e6e9fd75db251c274df37b0493e0305473fa6536 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Tue, 28 May 2024 14:06:04 +0500 Subject: [PATCH 200/786] Skip mitmproxy and Pillow on 3.13. --- tox.ini | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/tox.ini b/tox.ini index 8e38112e5..737baec84 100644 --- a/tox.ini +++ b/tox.ini @@ -26,7 +26,8 @@ deps = {[test-requirements]deps} # mitmproxy does not support PyPy - mitmproxy; implementation_name != 'pypy' + # mitmproxy requires zstandard which is not yet available on 3.13 + mitmproxy; implementation_name != 'pypy' and python_version < '3.13' # https://github.com/pallets/werkzeug/pull/2768 breaks flask, required by # mitmproxy. werkzeug < 3; python_version < '3.9' and implementation_name != 'pypy' @@ -150,7 +151,7 @@ deps = # restrictions in their deps, so we need to pin old markupsafe here too. markupsafe < 2.1.0 robotexclusionrulesparser - Pillow + Pillow; python_version < '3.13' Twisted[http2] uvloop; platform_system != "Windows" bpython # optional for shell wrapper tests From 5755e224d5f29b1d6b8b9caca1e208e84ae00822 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Tue, 28 May 2024 14:50:09 +0500 Subject: [PATCH 201/786] Help with building lxml on 3.13beta1 for checks too. --- .github/workflows/checks.yml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml index 46fd15415..d60e259ba 100644 --- a/.github/workflows/checks.yml +++ b/.github/workflows/checks.yml @@ -36,6 +36,12 @@ jobs: with: python-version: ${{ matrix.python-version }} + - name: Install system libraries + if: contains(matrix.python-version, 'beta') + run: | + sudo apt-get update + sudo apt-get install libxml2-dev libxslt-dev + - name: Run check env: ${{ matrix.env }} run: | From 1be8aee09c3fe532d42be9b22cae914f29c11f2e Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Tue, 28 May 2024 14:56:23 +0500 Subject: [PATCH 202/786] Skip uvloop and bpython on 3.13. --- tox.ini | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tox.ini b/tox.ini index 737baec84..5c2f34c6e 100644 --- a/tox.ini +++ b/tox.ini @@ -153,8 +153,8 @@ deps = robotexclusionrulesparser Pillow; python_version < '3.13' Twisted[http2] - uvloop; platform_system != "Windows" - bpython # optional for shell wrapper tests + uvloop; platform_system != "Windows" and python_version < '3.13' + bpython; python_version < '3.13' # optional for shell wrapper tests brotli; implementation_name != 'pypy' # optional for HTTP compress downloader middleware tests brotlicffi; implementation_name == 'pypy' # optional for HTTP compress downloader middleware tests zstandard; implementation_name != 'pypy' and python_version < '3.13' # optional for HTTP compress downloader middleware tests From 0d58af86971ba54bfc1feffa88fc564ffba650f4 Mon Sep 17 00:00:00 2001 From: Fabian Schneebauer Date: Wed, 29 May 2024 10:59:32 +0200 Subject: [PATCH 203/786] Add support for multiple referer policy tokens. --- scrapy/spidermiddlewares/referer.py | 20 ++++++----- tests/test_spidermiddleware_referer.py | 47 ++++++++++++++++++++++++++ 2 files changed, 58 insertions(+), 9 deletions(-) diff --git a/scrapy/spidermiddlewares/referer.py b/scrapy/spidermiddlewares/referer.py index a0b6851e5..7706c8c15 100644 --- a/scrapy/spidermiddlewares/referer.py +++ b/scrapy/spidermiddlewares/referer.py @@ -323,15 +323,17 @@ def _load_policy_class( try: return cast(Type[ReferrerPolicy], load_object(policy)) except ValueError: - try: - return _policy_classes[policy.lower()] - except KeyError: - msg = f"Could not load referrer policy {policy!r}" - if not warning_only: - raise RuntimeError(msg) - else: - warnings.warn(msg, RuntimeWarning) - return None + tokens = [token.strip() for token in policy.lower().split(",")] + for token in tokens[::-1]: + if token in _policy_classes: + return _policy_classes[token] + + msg = f"Could not load referrer policy {policy!r}" + if not warning_only: + raise RuntimeError(msg) + else: + warnings.warn(msg, RuntimeWarning) + return None class RefererMiddleware: diff --git a/tests/test_spidermiddleware_referer.py b/tests/test_spidermiddleware_referer.py index afffa87fb..5797edfbd 100644 --- a/tests/test_spidermiddleware_referer.py +++ b/tests/test_spidermiddleware_referer.py @@ -884,6 +884,53 @@ class TestSettingsPolicyByName(TestCase): with self.assertRaises(RuntimeError): RefererMiddleware(settings) + def test_multiple_policy_tokens(self): + # test parsing without space(s) after the comma + settings1 = Settings( + { + "REFERRER_POLICY": ",".join( + [ + "some-custom-unknown-policy", + POLICY_SAME_ORIGIN, + POLICY_STRICT_ORIGIN_WHEN_CROSS_ORIGIN, + "another-custom-unknown-policy", + ] + ) + } + ) + mw1 = RefererMiddleware(settings1) + self.assertEqual(mw1.default_policy, StrictOriginWhenCrossOriginPolicy) + + # test parsing with space(s) after the comma + settings2 = Settings( + { + "REFERRER_POLICY": ", ".join( + [ + POLICY_STRICT_ORIGIN_WHEN_CROSS_ORIGIN, + "another-custom-unknown-policy", + POLICY_UNSAFE_URL, + ] + ) + } + ) + mw2 = RefererMiddleware(settings2) + self.assertEqual(mw2.default_policy, UnsafeUrlPolicy) + + def test_multiple_policy_tokens_all_invalid(self): + settings = Settings( + { + "REFERRER_POLICY": ",".join( + [ + "some-custom-unknown-policy", + "another-custom-unknown-policy", + "yet-another-custom-unknown-policy", + ] + ) + } + ) + with self.assertRaises(RuntimeError): + RefererMiddleware(settings) + class TestPolicyHeaderPrecedence001(MixinUnsafeUrl, TestRefererMiddleware): settings = {"REFERRER_POLICY": "scrapy.spidermiddlewares.referer.SameOriginPolicy"} From 62a028b99dc73b8ddddd37f986780a5a070f2938 Mon Sep 17 00:00:00 2001 From: Fabian Schneebauer <67049088+0xdeb@users.noreply.github.com> Date: Wed, 29 May 2024 13:19:27 +0200 Subject: [PATCH 204/786] Add spec link to scrapy/spidermiddlewares/referer.py MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Co-authored-by: Adrián Chaves --- scrapy/spidermiddlewares/referer.py | 1 + 1 file changed, 1 insertion(+) diff --git a/scrapy/spidermiddlewares/referer.py b/scrapy/spidermiddlewares/referer.py index 7706c8c15..8af0bdf5b 100644 --- a/scrapy/spidermiddlewares/referer.py +++ b/scrapy/spidermiddlewares/referer.py @@ -324,6 +324,7 @@ def _load_policy_class( return cast(Type[ReferrerPolicy], load_object(policy)) except ValueError: tokens = [token.strip() for token in policy.lower().split(",")] + # https://www.w3.org/TR/referrer-policy/#parse-referrer-policy-from-header for token in tokens[::-1]: if token in _policy_classes: return _policy_classes[token] From b4293e8f9efac5046f92e4ebfd744be443b858b0 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Fri, 31 May 2024 10:50:36 +0400 Subject: [PATCH 205/786] Misc typing improvements. (#6384) --- scrapy/core/http2/agent.py | 4 +-- scrapy/core/http2/protocol.py | 8 +++-- scrapy/core/http2/stream.py | 4 +-- .../downloadermiddlewares/httpcompression.py | 14 +++++---- scrapy/downloadermiddlewares/offsite.py | 30 ++++++++++++------- scrapy/loader/__init__.py | 12 +++++++- scrapy/utils/benchserver.py | 12 ++++---- scrapy/utils/curl.py | 23 +++++++++----- scrapy/utils/datatypes.py | 2 +- scrapy/utils/request.py | 2 +- scrapy/utils/response.py | 2 +- scrapy/utils/testsite.py | 4 +-- 12 files changed, 78 insertions(+), 39 deletions(-) diff --git a/scrapy/core/http2/agent.py b/scrapy/core/http2/agent.py index 215ea9716..935af2214 100644 --- a/scrapy/core/http2/agent.py +++ b/scrapy/core/http2/agent.py @@ -119,7 +119,7 @@ class H2Agent: self._reactor, self._context_factory, connect_timeout, bind_address ) - def get_endpoint(self, uri: URI): + def get_endpoint(self, uri: URI) -> HostnameEndpoint: return self.endpoint_factory.endpointForURI(uri) def get_key(self, uri: URI) -> Tuple: @@ -161,7 +161,7 @@ class ScrapyProxyH2Agent(H2Agent): ) self._proxy_uri = proxy_uri - def get_endpoint(self, uri: URI): + def get_endpoint(self, uri: URI) -> HostnameEndpoint: return self.endpoint_factory.endpointForURI(self._proxy_uri) def get_key(self, uri: URI) -> Tuple: diff --git a/scrapy/core/http2/protocol.py b/scrapy/core/http2/protocol.py index bc8da50d7..8898b8118 100644 --- a/scrapy/core/http2/protocol.py +++ b/scrapy/core/http2/protocol.py @@ -22,7 +22,11 @@ from h2.events import ( from h2.exceptions import FrameTooLargeError, H2Error from twisted.internet.defer import Deferred from twisted.internet.error import TimeoutError -from twisted.internet.interfaces import IHandshakeListener, IProtocolNegotiationFactory +from twisted.internet.interfaces import ( + IAddress, + IHandshakeListener, + IProtocolNegotiationFactory, +) from twisted.internet.protocol import Factory, Protocol, connectionDone from twisted.internet.ssl import Certificate from twisted.protocols.policies import TimeoutMixin @@ -431,7 +435,7 @@ class H2ClientFactory(Factory): self.settings = settings self.conn_lost_deferred = conn_lost_deferred - def buildProtocol(self, addr) -> H2ClientProtocol: + def buildProtocol(self, addr: IAddress) -> H2ClientProtocol: return H2ClientProtocol(self.uri, self.settings, self.conn_lost_deferred) def acceptableProtocols(self) -> List[bytes]: diff --git a/scrapy/core/http2/stream.py b/scrapy/core/http2/stream.py index 4132fc385..224691078 100644 --- a/scrapy/core/http2/stream.py +++ b/scrapy/core/http2/stream.py @@ -1,7 +1,7 @@ import logging from enum import Enum from io import BytesIO -from typing import TYPE_CHECKING, Dict, List, Optional, Tuple +from typing import TYPE_CHECKING, Any, Dict, List, Optional, Tuple from h2.errors import ErrorCodes from h2.exceptions import H2Error, ProtocolError, StreamClosedError @@ -142,7 +142,7 @@ class Stream: "headers": Headers({}), } - def _cancel(_) -> None: + def _cancel(_: Any) -> None: # Close this stream as gracefully as possible # If the associated request is initiated we reset this stream # else we directly call close() method diff --git a/scrapy/downloadermiddlewares/httpcompression.py b/scrapy/downloadermiddlewares/httpcompression.py index 0e5e215ac..8e170a1c7 100644 --- a/scrapy/downloadermiddlewares/httpcompression.py +++ b/scrapy/downloadermiddlewares/httpcompression.py @@ -3,7 +3,7 @@ from __future__ import annotations import warnings from itertools import chain from logging import getLogger -from typing import TYPE_CHECKING, List, Optional, Union +from typing import TYPE_CHECKING, List, Optional, Tuple, Union from scrapy import Request, Spider, signals from scrapy.crawler import Crawler @@ -149,20 +149,24 @@ class HttpCompressionMiddleware: return response - def _handle_encoding(self, body, content_encoding, max_size): + def _handle_encoding( + self, body: bytes, content_encoding: List[bytes], max_size: int + ) -> Tuple[bytes, List[bytes]]: to_decode, to_keep = self._split_encodings(content_encoding) for encoding in to_decode: body = self._decode(body, encoding, max_size) return body, to_keep - def _split_encodings(self, content_encoding): - to_keep = [ + def _split_encodings( + self, content_encoding: List[bytes] + ) -> Tuple[List[bytes], List[bytes]]: + to_keep: List[bytes] = [ encoding.strip().lower() for encoding in chain.from_iterable( encodings.split(b",") for encodings in content_encoding ) ] - to_decode = [] + to_decode: List[bytes] = [] while to_keep: encoding = to_keep.pop() if encoding not in ACCEPTED_ENCODINGS: diff --git a/scrapy/downloadermiddlewares/offsite.py b/scrapy/downloadermiddlewares/offsite.py index 1e5026925..bd8dbe329 100644 --- a/scrapy/downloadermiddlewares/offsite.py +++ b/scrapy/downloadermiddlewares/offsite.py @@ -1,33 +1,43 @@ +from __future__ import annotations + import logging import re import warnings +from typing import TYPE_CHECKING, Set -from scrapy import signals +from scrapy import Request, Spider, signals +from scrapy.crawler import Crawler from scrapy.exceptions import IgnoreRequest +from scrapy.statscollectors import StatsCollector from scrapy.utils.httpobj import urlparse_cached +if TYPE_CHECKING: + # typing.Self requires Python 3.11 + from typing_extensions import Self + logger = logging.getLogger(__name__) class OffsiteMiddleware: @classmethod - def from_crawler(cls, crawler): + def from_crawler(cls, crawler: Crawler) -> Self: + assert crawler.stats o = cls(crawler.stats) crawler.signals.connect(o.spider_opened, signal=signals.spider_opened) crawler.signals.connect(o.request_scheduled, signal=signals.request_scheduled) return o - def __init__(self, stats): + def __init__(self, stats: StatsCollector): self.stats = stats - self.domains_seen = set() + self.domains_seen: Set[str] = set() - def spider_opened(self, spider): - self.host_regex = self.get_host_regex(spider) + def spider_opened(self, spider: Spider) -> None: + self.host_regex: re.Pattern[str] = self.get_host_regex(spider) - def request_scheduled(self, request, spider): + def request_scheduled(self, request: Request, spider: Spider) -> None: self.process_request(request, spider) - def process_request(self, request, spider): + def process_request(self, request: Request, spider: Spider) -> None: if request.dont_filter or self.should_follow(request, spider): return None domain = urlparse_cached(request).hostname @@ -42,13 +52,13 @@ class OffsiteMiddleware: self.stats.inc_value("offsite/filtered", spider=spider) raise IgnoreRequest - def should_follow(self, request, spider): + def should_follow(self, request: Request, spider: Spider) -> bool: regex = self.host_regex # hostname can be None for wrong urls (like javascript links) host = urlparse_cached(request).hostname or "" return bool(regex.search(host)) - def get_host_regex(self, spider): + def get_host_regex(self, spider: Spider) -> re.Pattern[str]: """Override this method to implement a different offsite policy""" allowed_domains = getattr(spider, "allowed_domains", None) if not allowed_domains: diff --git a/scrapy/loader/__init__.py b/scrapy/loader/__init__.py index 529fa279e..db0b4820f 100644 --- a/scrapy/loader/__init__.py +++ b/scrapy/loader/__init__.py @@ -4,8 +4,11 @@ Item Loader See documentation in docs/topics/loaders.rst """ +from typing import Any, Optional + import itemloaders +from scrapy.http import TextResponse from scrapy.item import Item from scrapy.selector import Selector @@ -82,7 +85,14 @@ class ItemLoader(itemloaders.ItemLoader): default_item_class: type = Item default_selector_class = Selector - def __init__(self, item=None, selector=None, response=None, parent=None, **context): + def __init__( + self, + item: Any = None, + selector: Optional[Selector] = None, + response: Optional[TextResponse] = None, + parent: Optional[itemloaders.ItemLoader] = None, + **context: Any + ): if selector is None and response is not None: try: selector = self.default_selector_class(response) diff --git a/scrapy/utils/benchserver.py b/scrapy/utils/benchserver.py index f6f704d4b..e9ea51aa1 100644 --- a/scrapy/utils/benchserver.py +++ b/scrapy/utils/benchserver.py @@ -1,21 +1,23 @@ import random +from typing import Any from urllib.parse import urlencode from twisted.web.resource import Resource -from twisted.web.server import Site +from twisted.web.server import Request, Site class Root(Resource): isLeaf = True - def getChild(self, name, request): + def getChild(self, name: str, request: Request) -> Resource: return self - def render(self, request): + def render(self, request: Request) -> bytes: total = _getarg(request, b"total", 100, int) show = _getarg(request, b"show", 10, int) nlist = [random.randint(1, total) for _ in range(show)] # nosec request.write(b"") + assert request.args is not None args = request.args.copy() for nl in nlist: args["n"] = nl @@ -27,7 +29,7 @@ class Root(Resource): return b"" -def _getarg(request, name, default=None, type=str): +def _getarg(request, name: bytes, default: Any = None, type=str): return type(request.args[name][0]) if name in request.args else default @@ -38,7 +40,7 @@ if __name__ == "__main__": factory = Site(root) httpPort = reactor.listenTCP(8998, Site(root)) - def _print_listening(): + def _print_listening() -> None: httpHost = httpPort.getHost() print(f"Bench server at http://{httpHost.host}:{httpHost.port}") diff --git a/scrapy/utils/curl.py b/scrapy/utils/curl.py index f5dbbd64e..c10e48511 100644 --- a/scrapy/utils/curl.py +++ b/scrapy/utils/curl.py @@ -2,13 +2,20 @@ import argparse import warnings from http.cookies import SimpleCookie from shlex import split +from typing import Any, Dict, List, NoReturn, Optional, Sequence, Tuple, Union from urllib.parse import urlparse from w3lib.http import basic_auth_header class DataAction(argparse.Action): - def __call__(self, parser, namespace, values, option_string=None): + def __call__( + self, + parser: argparse.ArgumentParser, + namespace: argparse.Namespace, + values: Union[str, Sequence[Any], None], + option_string: Optional[str] = None, + ) -> None: value = str(values) if value.startswith("$"): value = value[1:] @@ -16,7 +23,7 @@ class DataAction(argparse.Action): class CurlParser(argparse.ArgumentParser): - def error(self, message): + def error(self, message: str) -> NoReturn: error_msg = f"There was an error parsing the curl command: {message}" raise ValueError(error_msg) @@ -42,9 +49,11 @@ for argument in safe_to_ignore_arguments: curl_parser.add_argument(*argument, action="store_true") -def _parse_headers_and_cookies(parsed_args): - headers = [] - cookies = {} +def _parse_headers_and_cookies( + parsed_args: argparse.Namespace, +) -> Tuple[List[Tuple[str, bytes]], Dict[str, str]]: + headers: List[Tuple[str, bytes]] = [] + cookies: Dict[str, str] = {} for header in parsed_args.headers or (): name, val = header.split(":", 1) name = name.strip() @@ -64,7 +73,7 @@ def _parse_headers_and_cookies(parsed_args): def curl_to_request_kwargs( curl_command: str, ignore_unknown_options: bool = True -) -> dict: +) -> Dict[str, Any]: """Convert a cURL command syntax to Request kwargs. :param str curl_command: string containing the curl command @@ -98,7 +107,7 @@ def curl_to_request_kwargs( method = parsed_args.method or "GET" - result = {"method": method.upper(), "url": url} + result: Dict[str, Any] = {"method": method.upper(), "url": url} headers, cookies = _parse_headers_and_cookies(parsed_args) diff --git a/scrapy/utils/datatypes.py b/scrapy/utils/datatypes.py index 0ba2fe4e2..b2118495f 100644 --- a/scrapy/utils/datatypes.py +++ b/scrapy/utils/datatypes.py @@ -110,7 +110,7 @@ class CaseInsensitiveDict(collections.UserDict): as keys and allows case-insensitive lookups. """ - def __init__(self, *args, **kwargs) -> None: + def __init__(self, *args: Any, **kwargs: Any) -> None: self._keys: dict = {} super().__init__(*args, **kwargs) diff --git a/scrapy/utils/request.py b/scrapy/utils/request.py index c86f9fe39..5be80ec0f 100644 --- a/scrapy/utils/request.py +++ b/scrapy/utils/request.py @@ -138,7 +138,7 @@ class RequestFingerprinter: """ @classmethod - def from_crawler(cls, crawler) -> Self: + def from_crawler(cls, crawler: Crawler) -> Self: return cls(crawler) def __init__(self, crawler: Optional[Crawler] = None): diff --git a/scrapy/utils/response.py b/scrapy/utils/response.py index a0b06f75c..320059b3a 100644 --- a/scrapy/utils/response.py +++ b/scrapy/utils/response.py @@ -58,7 +58,7 @@ def response_status_message(status: Union[bytes, float, int, str]) -> str: return f"{status_int} {to_unicode(message)}" -def _remove_html_comments(body): +def _remove_html_comments(body: bytes) -> bytes: start = body.find(b"", start + 1) diff --git a/scrapy/utils/testsite.py b/scrapy/utils/testsite.py index de9ce992a..ca1f68116 100644 --- a/scrapy/utils/testsite.py +++ b/scrapy/utils/testsite.py @@ -15,12 +15,12 @@ class SiteTest: super().tearDown() self.site.stopListening() - def url(self, path): + def url(self, path: str) -> str: return urljoin(self.baseurl, path) class NoMetaRefreshRedirect(util.Redirect): - def render(self, request): + def render(self, request: server.Request) -> bytes: content = util.Redirect.render(self, request) return content.replace( b'http-equiv="refresh"', b'http-no-equiv="do-not-refresh-me"' From da42e8f124362a5087c50bca7f76dcc573e8194a Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Fri, 31 May 2024 21:11:50 +0500 Subject: [PATCH 206/786] Add parameters to typing.Dict. --- scrapy/core/downloader/handlers/__init__.py | 5 +++- scrapy/core/http2/protocol.py | 4 +-- scrapy/core/http2/stream.py | 4 +-- scrapy/extensions/feedexport.py | 4 ++- scrapy/http/request/__init__.py | 4 +-- scrapy/http/request/form.py | 30 ++++++++++++++------- scrapy/http/request/json_request.py | 18 ++++++------- scrapy/http/response/__init__.py | 4 +-- scrapy/http/response/text.py | 4 +-- scrapy/item.py | 2 +- scrapy/logformatter.py | 22 ++++++++++----- scrapy/settings/__init__.py | 2 +- scrapy/spiders/__init__.py | 6 ++--- scrapy/utils/conf.py | 3 ++- scrapy/utils/log.py | 13 ++++++--- scrapy/utils/python.py | 10 ++++--- scrapy/utils/request.py | 2 +- 17 files changed, 85 insertions(+), 52 deletions(-) diff --git a/scrapy/core/downloader/handlers/__init__.py b/scrapy/core/downloader/handlers/__init__.py index ade51ca63..af5282553 100644 --- a/scrapy/core/downloader/handlers/__init__.py +++ b/scrapy/core/downloader/handlers/__init__.py @@ -27,7 +27,10 @@ class DownloadHandlers: self._handlers: Dict[str, Any] = {} # stores instanced handlers for schemes self._notconfigured: Dict[str, str] = {} # remembers failed handlers handlers: Dict[str, Union[str, Callable]] = without_none_values( - crawler.settings.getwithbase("DOWNLOAD_HANDLERS") + cast( + Dict[str, Union[str, Callable]], + crawler.settings.getwithbase("DOWNLOAD_HANDLERS"), + ) ) for scheme, clspath in handlers.items(): self._schemes[scheme] = clspath diff --git a/scrapy/core/http2/protocol.py b/scrapy/core/http2/protocol.py index 8898b8118..063835b17 100644 --- a/scrapy/core/http2/protocol.py +++ b/scrapy/core/http2/protocol.py @@ -3,7 +3,7 @@ import itertools import logging from collections import deque from ipaddress import IPv4Address, IPv6Address -from typing import Dict, List, Optional, Union +from typing import Any, Dict, List, Optional, Union from h2.config import H2Configuration from h2.connection import H2Connection @@ -115,7 +115,7 @@ class H2ClientProtocol(Protocol, TimeoutMixin): # Some meta data of this connection # initialized when connection is successfully made - self.metadata: Dict = { + self.metadata: Dict[str, Any] = { # Peer certificate instance "certificate": None, # Address of the server we are connected to which diff --git a/scrapy/core/http2/stream.py b/scrapy/core/http2/stream.py index 224691078..7c70e86db 100644 --- a/scrapy/core/http2/stream.py +++ b/scrapy/core/http2/stream.py @@ -110,7 +110,7 @@ class Stream: # Metadata of an HTTP/2 connection stream # initialized when stream is instantiated - self.metadata: Dict = { + self.metadata: Dict[str, Any] = { "request_content_length": ( 0 if self._request.body is None else len(self._request.body) ), @@ -131,7 +131,7 @@ class Stream: # Private variable used to build the response # this response is then converted to appropriate Response class # passed to the response deferred callback - self._response: Dict = { + self._response: Dict[str, Any] = { # Data received frame by frame from the server is appended # and passed to the response Deferred when completely received. "body": BytesIO(), diff --git a/scrapy/extensions/feedexport.py b/scrapy/extensions/feedexport.py index 3c2bb5593..de8a288f6 100644 --- a/scrapy/extensions/feedexport.py +++ b/scrapy/extensions/feedexport.py @@ -694,7 +694,9 @@ class FeedExporter: self.slots = slots def _load_components(self, setting_prefix: str) -> Dict[str, Any]: - conf = without_none_values(self.settings.getwithbase(setting_prefix)) + conf = without_none_values( + cast(Dict[str, str], self.settings.getwithbase(setting_prefix)) + ) d = {} for k, v in conf.items(): try: diff --git a/scrapy/http/request/__init__.py b/scrapy/http/request/__init__.py index 191b3cef4..dfb1dca89 100644 --- a/scrapy/http/request/__init__.py +++ b/scrapy/http/request/__init__.py @@ -97,7 +97,7 @@ class Request(object_ref): method: str = "GET", headers: Union[Mapping[AnyStr, Any], Iterable[Tuple[AnyStr, Any]], None] = None, body: Optional[Union[bytes, str]] = None, - cookies: Optional[Union[dict, List[dict]]] = None, + cookies: Optional[Union[Dict[str, str], List[Dict[str, str]]]] = None, meta: Optional[Dict[str, Any]] = None, encoding: str = "utf-8", priority: int = 0, @@ -123,7 +123,7 @@ class Request(object_ref): self.callback: Optional[Callable] = callback self.errback: Optional[Callable] = errback - self.cookies: Union[dict, List[dict]] = cookies or {} + self.cookies: Union[Dict[str, str], List[Dict[str, str]]] = cookies or {} self.headers: Headers = Headers(headers or {}, encoding=encoding) self.dont_filter: bool = dont_filter diff --git a/scrapy/http/request/form.py b/scrapy/http/request/form.py index 3206d79cd..ea98ed795 100644 --- a/scrapy/http/request/form.py +++ b/scrapy/http/request/form.py @@ -7,7 +7,17 @@ See documentation in docs/topics/request-response.rst from __future__ import annotations -from typing import TYPE_CHECKING, Any, Iterable, List, Optional, Tuple, Union, cast +from typing import ( + TYPE_CHECKING, + Any, + Dict, + Iterable, + List, + Optional, + Tuple, + Union, + cast, +) from urllib.parse import urlencode, urljoin, urlsplit, urlunsplit from lxml.html import FormElement # nosec @@ -26,8 +36,9 @@ if TYPE_CHECKING: from typing_extensions import Self -FormdataKVType = Tuple[str, Union[str, Iterable[str]]] -FormdataType = Optional[Union[dict, List[FormdataKVType]]] +FormdataVType = Union[str, Iterable[str]] +FormdataKVType = Tuple[str, FormdataVType] +FormdataType = Optional[Union[Dict[str, FormdataVType], List[FormdataKVType]]] class FormRequest(Request): @@ -62,7 +73,7 @@ class FormRequest(Request): formid: Optional[str] = None, formnumber: int = 0, formdata: FormdataType = None, - clickdata: Optional[dict] = None, + clickdata: Optional[Dict[str, Union[str, int]]] = None, dont_click: bool = False, formxpath: Optional[str] = None, formcss: Optional[str] = None, @@ -156,7 +167,7 @@ def _get_inputs( form: FormElement, formdata: FormdataType, dont_click: bool, - clickdata: Optional[dict], + clickdata: Optional[Dict[str, Union[str, int]]], ) -> List[FormdataKVType]: """Return a list of key-value pairs for the inputs found in the given form.""" try: @@ -186,10 +197,8 @@ def _get_inputs( if clickable and clickable[0] not in formdata and not clickable[0] is None: values.append(clickable) - if isinstance(formdata, dict): - formdata = formdata.items() # type: ignore[assignment] - - values.extend((k, v) for k, v in formdata if v is not None) + formdata_items = formdata.items() if isinstance(formdata, dict) else formdata + values.extend((k, v) for k, v in formdata_items if v is not None) return values @@ -216,7 +225,7 @@ def _select_value( def _get_clickable( - clickdata: Optional[dict], form: FormElement + clickdata: Optional[Dict[str, Union[str, int]]], form: FormElement ) -> Optional[Tuple[str, str]]: """ Returns the clickable element specified in clickdata, @@ -243,6 +252,7 @@ def _get_clickable( # because that uniquely identifies the element nr = clickdata.get("nr", None) if nr is not None: + assert isinstance(nr, int) try: el = list(form.inputs)[nr] except IndexError: diff --git a/scrapy/http/request/json_request.py b/scrapy/http/request/json_request.py index 1dd9e6c87..405c0b9d0 100644 --- a/scrapy/http/request/json_request.py +++ b/scrapy/http/request/json_request.py @@ -8,7 +8,7 @@ See documentation in docs/topics/request-response.rst import copy import json import warnings -from typing import Any, Optional, Tuple +from typing import Any, Dict, Optional, Tuple from scrapy.http.request import Request @@ -17,15 +17,15 @@ class JsonRequest(Request): attributes: Tuple[str, ...] = Request.attributes + ("dumps_kwargs",) def __init__( - self, *args: Any, dumps_kwargs: Optional[dict] = None, **kwargs: Any + self, *args: Any, dumps_kwargs: Optional[Dict[str, Any]] = None, **kwargs: Any ) -> None: dumps_kwargs = copy.deepcopy(dumps_kwargs) if dumps_kwargs is not None else {} dumps_kwargs.setdefault("sort_keys", True) - self._dumps_kwargs = dumps_kwargs + self._dumps_kwargs: Dict[str, Any] = dumps_kwargs body_passed = kwargs.get("body", None) is not None - data = kwargs.pop("data", None) - data_passed = data is not None + data: Any = kwargs.pop("data", None) + data_passed: bool = data is not None if body_passed and data_passed: warnings.warn("Both body and data passed. data will be ignored") @@ -41,13 +41,13 @@ class JsonRequest(Request): ) @property - def dumps_kwargs(self) -> dict: + def dumps_kwargs(self) -> Dict[str, Any]: return self._dumps_kwargs def replace(self, *args: Any, **kwargs: Any) -> Request: body_passed = kwargs.get("body", None) is not None - data = kwargs.pop("data", None) - data_passed = data is not None + data: Any = kwargs.pop("data", None) + data_passed: bool = data is not None if body_passed and data_passed: warnings.warn("Both body and data passed. data will be ignored") @@ -56,6 +56,6 @@ class JsonRequest(Request): return super().replace(*args, **kwargs) - def _dumps(self, data: dict) -> str: + def _dumps(self, data: Any) -> str: """Convert to JSON""" return json.dumps(data, **self._dumps_kwargs) diff --git a/scrapy/http/response/__init__.py b/scrapy/http/response/__init__.py index d73dfce4b..14618e5e7 100644 --- a/scrapy/http/response/__init__.py +++ b/scrapy/http/response/__init__.py @@ -181,7 +181,7 @@ class Response(object_ref): method: str = "GET", headers: Union[Mapping[AnyStr, Any], Iterable[Tuple[AnyStr, Any]], None] = None, body: Optional[Union[bytes, str]] = None, - cookies: Optional[Union[dict, List[dict]]] = None, + cookies: Optional[Union[Dict[str, str], List[Dict[str, str]]]] = None, meta: Optional[Dict[str, Any]] = None, encoding: Optional[str] = "utf-8", priority: int = 0, @@ -234,7 +234,7 @@ class Response(object_ref): method: str = "GET", headers: Union[Mapping[AnyStr, Any], Iterable[Tuple[AnyStr, Any]], None] = None, body: Optional[Union[bytes, str]] = None, - cookies: Optional[Union[dict, List[dict]]] = None, + cookies: Optional[Union[Dict[str, str], List[Dict[str, str]]]] = None, meta: Optional[Dict[str, Any]] = None, encoding: Optional[str] = "utf-8", priority: int = 0, diff --git a/scrapy/http/response/text.py b/scrapy/http/response/text.py index 522ffc0d5..a83279ac8 100644 --- a/scrapy/http/response/text.py +++ b/scrapy/http/response/text.py @@ -183,7 +183,7 @@ class TextResponse(Response): method: str = "GET", headers: Union[Mapping[AnyStr, Any], Iterable[Tuple[AnyStr, Any]], None] = None, body: Optional[Union[bytes, str]] = None, - cookies: Optional[Union[dict, List[dict]]] = None, + cookies: Optional[Union[Dict[str, str], List[Dict[str, str]]]] = None, meta: Optional[Dict[str, Any]] = None, encoding: Optional[str] = None, priority: int = 0, @@ -236,7 +236,7 @@ class TextResponse(Response): method: str = "GET", headers: Union[Mapping[AnyStr, Any], Iterable[Tuple[AnyStr, Any]], None] = None, body: Optional[Union[bytes, str]] = None, - cookies: Optional[Union[dict, List[dict]]] = None, + cookies: Optional[Union[Dict[str, str], List[Dict[str, str]]]] = None, meta: Optional[Dict[str, Any]] = None, encoding: Optional[str] = None, priority: int = 0, diff --git a/scrapy/item.py b/scrapy/item.py index 2daea64cc..3f93809e7 100644 --- a/scrapy/item.py +++ b/scrapy/item.py @@ -27,7 +27,7 @@ if TYPE_CHECKING: from typing_extensions import Self -class Field(dict): +class Field(Dict[str, Any]): """Container of field metadata""" diff --git a/scrapy/logformatter.py b/scrapy/logformatter.py index d720b2f38..42a03b560 100644 --- a/scrapy/logformatter.py +++ b/scrapy/logformatter.py @@ -2,7 +2,7 @@ from __future__ import annotations import logging import os -from typing import TYPE_CHECKING, Any, Dict, Optional, Union +from typing import TYPE_CHECKING, Any, Dict, Optional, Tuple, TypedDict, Union from twisted.python.failure import Failure @@ -26,6 +26,12 @@ DOWNLOADERRORMSG_SHORT = "Error downloading %(request)s" DOWNLOADERRORMSG_LONG = "Error downloading %(request)s: %(errmsg)s" +class LogFormatterResult(TypedDict): + level: int + msg: str + args: Union[Dict[str, Any], Tuple[Any, ...]] + + class LogFormatter: """Class for generating log messages for different actions. @@ -64,7 +70,9 @@ class LogFormatter: } """ - def crawled(self, request: Request, response: Response, spider: Spider) -> dict: + def crawled( + self, request: Request, response: Response, spider: Spider + ) -> LogFormatterResult: """Logs a message when the crawler finds a webpage.""" request_flags = f" {str(request.flags)}" if request.flags else "" response_flags = f" {str(response.flags)}" if response.flags else "" @@ -84,7 +92,7 @@ class LogFormatter: def scraped( self, item: Any, response: Union[Response, Failure], spider: Spider - ) -> dict: + ) -> LogFormatterResult: """Logs a message when an item is scraped by a spider.""" src: Any if isinstance(response, Failure): @@ -102,7 +110,7 @@ class LogFormatter: def dropped( self, item: Any, exception: BaseException, response: Response, spider: Spider - ) -> dict: + ) -> LogFormatterResult: """Logs a message when an item is dropped while it is passing through the item pipeline.""" return { "level": logging.WARNING, @@ -115,7 +123,7 @@ class LogFormatter: def item_error( self, item: Any, exception: BaseException, response: Response, spider: Spider - ) -> dict: + ) -> LogFormatterResult: """Logs a message when an item causes an error while it is passing through the item pipeline. @@ -135,7 +143,7 @@ class LogFormatter: request: Request, response: Union[Response, Failure], spider: Spider, - ) -> dict: + ) -> LogFormatterResult: """Logs an error message from a spider. .. versionadded:: 2.0 @@ -155,7 +163,7 @@ class LogFormatter: request: Request, spider: Spider, errmsg: Optional[str] = None, - ) -> dict: + ) -> LogFormatterResult: """Logs a download error message from a spider (typically coming from the engine). diff --git a/scrapy/settings/__init__.py b/scrapy/settings/__init__.py index d270a72f4..4448b6f4b 100644 --- a/scrapy/settings/__init__.py +++ b/scrapy/settings/__init__.py @@ -411,7 +411,7 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]): """ self._assert_mutability() if isinstance(values, str): - values = cast(dict, json.loads(values)) + values = cast(Dict[_SettingsKeyT, Any], json.loads(values)) if values is not None: if isinstance(values, BaseSettings): for name, value in values.items(): diff --git a/scrapy/spiders/__init__.py b/scrapy/spiders/__init__.py index bef041325..7b43f04f2 100644 --- a/scrapy/spiders/__init__.py +++ b/scrapy/spiders/__init__.py @@ -7,7 +7,7 @@ See documentation in docs/topics/spiders.rst from __future__ import annotations import logging -from typing import TYPE_CHECKING, Any, Iterable, List, Optional, Union, cast +from typing import TYPE_CHECKING, Any, Dict, Iterable, List, Optional, Union, cast from twisted.internet.defer import Deferred @@ -24,7 +24,7 @@ if TYPE_CHECKING: from typing_extensions import Concatenate, Self from scrapy.crawler import Crawler - from scrapy.settings import BaseSettings + from scrapy.settings import BaseSettings, _SettingsKeyT from scrapy.utils.log import SpiderLoggerAdapter CallbackT = Callable[Concatenate[Response, ...], Any] @@ -36,7 +36,7 @@ class Spider(object_ref): """ name: str - custom_settings: Optional[dict] = None + custom_settings: Optional[Dict[_SettingsKeyT, Any]] = None def __init__(self, name: Optional[str] = None, **kwargs: Any): if name is not None: diff --git a/scrapy/utils/conf.py b/scrapy/utils/conf.py index 641dfa4a2..c63b69995 100644 --- a/scrapy/utils/conf.py +++ b/scrapy/utils/conf.py @@ -16,6 +16,7 @@ from typing import ( MutableMapping, Optional, Union, + cast, ) from scrapy.exceptions import ScrapyDeprecationWarning, UsageError @@ -173,7 +174,7 @@ def feed_process_params_from_cli( suitable to be used as the FEEDS setting. """ valid_output_formats: Iterable[str] = without_none_values( - settings.getwithbase("FEED_EXPORTERS") + cast(Dict[str, str], settings.getwithbase("FEED_EXPORTERS")) ).keys() def check_valid_format(output_format: str) -> None: diff --git a/scrapy/utils/log.py b/scrapy/utils/log.py index 430a91e95..cbfd170ed 100644 --- a/scrapy/utils/log.py +++ b/scrapy/utils/log.py @@ -7,6 +7,7 @@ from types import TracebackType from typing import ( TYPE_CHECKING, Any, + Dict, List, MutableMapping, Optional, @@ -20,7 +21,8 @@ from twisted.python import log as twisted_log from twisted.python.failure import Failure import scrapy -from scrapy.settings import Settings +from scrapy.logformatter import LogFormatterResult +from scrapy.settings import Settings, _SettingsKeyT from scrapy.utils.versions import scrapy_components_versions if TYPE_CHECKING: @@ -86,7 +88,8 @@ DEFAULT_LOGGING = { def configure_logging( - settings: Union[Settings, dict, None] = None, install_root_handler: bool = True + settings: Union[Settings, Dict[_SettingsKeyT, Any], None] = None, + install_root_handler: bool = True, ) -> None: """ Initialize logging defaults for Scrapy. @@ -234,7 +237,9 @@ class LogCounterHandler(logging.Handler): self.crawler.stats.inc_value(sname) -def logformatter_adapter(logkws: dict) -> Tuple[int, str, dict]: +def logformatter_adapter( + logkws: LogFormatterResult, +) -> Tuple[int, str, Union[Dict[str, Any], Tuple[Any, ...]]]: """ Helper that takes the dictionary output from the methods in LogFormatter and adapts it into a tuple of positional arguments for logger.log calls, @@ -245,7 +250,7 @@ def logformatter_adapter(logkws: dict) -> Tuple[int, str, dict]: message = logkws.get("msg") or "" # NOTE: This also handles 'args' being an empty dict, that case doesn't # play well in logger.log calls - args = logkws if not logkws.get("args") else logkws["args"] + args = cast(Dict[str, Any], logkws) if not logkws.get("args") else logkws["args"] return (level, message, args) diff --git a/scrapy/utils/python.py b/scrapy/utils/python.py index 578cde2ac..0a50f4e1e 100644 --- a/scrapy/utils/python.py +++ b/scrapy/utils/python.py @@ -42,6 +42,8 @@ if TYPE_CHECKING: _P = ParamSpec("_P") _T = TypeVar("_T") +_KT = TypeVar("_KT") +_VT = TypeVar("_VT") def flatten(x: Iterable) -> list: @@ -303,14 +305,16 @@ def equal_attributes( @overload -def without_none_values(iterable: Mapping) -> dict: ... +def without_none_values(iterable: Mapping[_KT, _VT]) -> Dict[_KT, _VT]: ... @overload -def without_none_values(iterable: Iterable) -> Iterable: ... +def without_none_values(iterable: Iterable[_KT]) -> Iterable[_KT]: ... -def without_none_values(iterable: Union[Mapping, Iterable]) -> Union[dict, Iterable]: +def without_none_values( + iterable: Union[Mapping[_KT, _VT], Iterable[_KT]] +) -> Union[Dict[_KT, _VT], Iterable[_KT]]: """Return a copy of ``iterable`` with all ``None`` entries removed. If ``iterable`` is a mapping, return a dictionary where all pairs that have diff --git a/scrapy/utils/request.py b/scrapy/utils/request.py index 5be80ec0f..42a6537a8 100644 --- a/scrapy/utils/request.py +++ b/scrapy/utils/request.py @@ -197,7 +197,7 @@ def referer_str(request: Request) -> Optional[str]: return to_unicode(referrer, errors="replace") -def request_from_dict(d: dict, *, spider: Optional[Spider] = None) -> Request: +def request_from_dict(d: Dict[str, Any], *, spider: Optional[Spider] = None) -> Request: """Create a :class:`~scrapy.Request` object from a dict. If a spider is given, it will try to resolve the callbacks looking at the From 98c755e5fbc005083a5fde810476f2de610bf912 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Fri, 31 May 2024 21:20:22 +0500 Subject: [PATCH 207/786] Add parameters to typing.List. --- scrapy/core/scheduler.py | 8 ++++---- scrapy/downloadermiddlewares/stats.py | 6 ++++-- scrapy/utils/asyncgen.py | 10 +++++++--- scrapy/utils/python.py | 8 ++++---- 4 files changed, 19 insertions(+), 13 deletions(-) diff --git a/scrapy/core/scheduler.py b/scrapy/core/scheduler.py index f30a5d9c9..e3b95e977 100644 --- a/scrapy/core/scheduler.py +++ b/scrapy/core/scheduler.py @@ -4,7 +4,7 @@ import json import logging from abc import abstractmethod from pathlib import Path -from typing import TYPE_CHECKING, Any, Optional, Type, cast +from typing import TYPE_CHECKING, Any, List, Optional, Type, cast from twisted.internet.defer import Deferred @@ -362,13 +362,13 @@ class Scheduler(BaseScheduler): return str(dqdir) return None - def _read_dqs_state(self, dqdir: str) -> list: + def _read_dqs_state(self, dqdir: str) -> List[int]: path = Path(dqdir, "active.json") if not path.exists(): return [] with path.open(encoding="utf-8") as f: - return cast(list, json.load(f)) + return cast(List[int], json.load(f)) - def _write_dqs_state(self, dqdir: str, state: list) -> None: + def _write_dqs_state(self, dqdir: str, state: List[int]) -> None: with Path(dqdir, "active.json").open("w", encoding="utf-8") as f: json.dump(state, f) diff --git a/scrapy/downloadermiddlewares/stats.py b/scrapy/downloadermiddlewares/stats.py index df30e8ca4..444702757 100644 --- a/scrapy/downloadermiddlewares/stats.py +++ b/scrapy/downloadermiddlewares/stats.py @@ -1,6 +1,6 @@ from __future__ import annotations -from typing import TYPE_CHECKING, Dict, Union +from typing import TYPE_CHECKING, Dict, List, Tuple, Union from twisted.web import http @@ -17,7 +17,9 @@ if TYPE_CHECKING: from typing_extensions import Self -def get_header_size(headers: Dict[str, Union[list, tuple]]) -> int: +def get_header_size( + headers: Dict[str, Union[List[Union[str, bytes]], Tuple[Union[str, bytes], ...]]] +) -> int: size = 0 for key, value in headers.items(): if isinstance(value, (list, tuple)): diff --git a/scrapy/utils/asyncgen.py b/scrapy/utils/asyncgen.py index 0505db343..67c8e1a01 100644 --- a/scrapy/utils/asyncgen.py +++ b/scrapy/utils/asyncgen.py @@ -1,14 +1,18 @@ -from typing import AsyncGenerator, AsyncIterable, Iterable, Union +from typing import AsyncGenerator, AsyncIterable, Iterable, List, TypeVar, Union + +_T = TypeVar("_T") -async def collect_asyncgen(result: AsyncIterable) -> list: +async def collect_asyncgen(result: AsyncIterable[_T]) -> List[_T]: results = [] async for x in result: results.append(x) return results -async def as_async_generator(it: Union[Iterable, AsyncIterable]) -> AsyncGenerator: +async def as_async_generator( + it: Union[Iterable[_T], AsyncIterable[_T]] +) -> AsyncGenerator[_T, None]: """Wraps an iterable (sync or async) into an async generator.""" if isinstance(it, AsyncIterable): async for r in it: diff --git a/scrapy/utils/python.py b/scrapy/utils/python.py index 0a50f4e1e..3db7acf81 100644 --- a/scrapy/utils/python.py +++ b/scrapy/utils/python.py @@ -46,7 +46,7 @@ _KT = TypeVar("_KT") _VT = TypeVar("_VT") -def flatten(x: Iterable) -> list: +def flatten(x: Iterable[Any]) -> List[Any]: """flatten(sequence) -> list Returns a single, flat list which contains all elements retrieved @@ -66,7 +66,7 @@ def flatten(x: Iterable) -> list: return list(iflatten(x)) -def iflatten(x: Iterable) -> Iterable: +def iflatten(x: Iterable[Any]) -> Iterable[Any]: """iflatten(sequence) -> iterator Similar to ``.flatten()``, but returns iterator instead""" @@ -101,10 +101,10 @@ def is_listlike(x: Any) -> bool: return hasattr(x, "__iter__") and not isinstance(x, (str, bytes)) -def unique(list_: Iterable, key: Callable[[Any], Any] = lambda x: x) -> list: +def unique(list_: Iterable[_T], key: Callable[[_T], Any] = lambda x: x) -> List[_T]: """efficient function to uniquify a list preserving item order""" seen = set() - result = [] + result: List[_T] = [] for item in list_: seenkey = key(item) if seenkey in seen: From 4164e63725dc19bc8585abbfb0e5009f8eceefcc Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Fri, 31 May 2024 21:23:55 +0500 Subject: [PATCH 208/786] Add parameters to typing.Tuple. --- scrapy/core/http2/agent.py | 24 +++++++++++++++--------- 1 file changed, 15 insertions(+), 9 deletions(-) diff --git a/scrapy/core/http2/agent.py b/scrapy/core/http2/agent.py index 935af2214..999764a6e 100644 --- a/scrapy/core/http2/agent.py +++ b/scrapy/core/http2/agent.py @@ -20,6 +20,8 @@ from scrapy.http.request import Request from scrapy.settings import Settings from scrapy.spiders import Spider +ConnectionKeyT = Tuple[bytes, bytes, int] + class H2ConnectionPool: def __init__(self, reactor: ReactorBase, settings: Settings) -> None: @@ -28,13 +30,13 @@ class H2ConnectionPool: # Store a dictionary which is used to get the respective # H2ClientProtocolInstance using the key as Tuple(scheme, hostname, port) - self._connections: Dict[Tuple, H2ClientProtocol] = {} + self._connections: Dict[ConnectionKeyT, H2ClientProtocol] = {} # Save all requests that arrive before the connection is established - self._pending_requests: Dict[Tuple, Deque[Deferred]] = {} + self._pending_requests: Dict[ConnectionKeyT, Deque[Deferred]] = {} def get_connection( - self, key: Tuple, uri: URI, endpoint: HostnameEndpoint + self, key: ConnectionKeyT, uri: URI, endpoint: HostnameEndpoint ) -> Deferred: if key in self._pending_requests: # Received a request while connecting to remote @@ -54,7 +56,7 @@ class H2ConnectionPool: return self._new_connection(key, uri, endpoint) def _new_connection( - self, key: Tuple, uri: URI, endpoint: HostnameEndpoint + self, key: ConnectionKeyT, uri: URI, endpoint: HostnameEndpoint ) -> Deferred: self._pending_requests[key] = deque() @@ -69,7 +71,9 @@ class H2ConnectionPool: self._pending_requests[key].append(d) return d - def put_connection(self, conn: H2ClientProtocol, key: Tuple) -> H2ClientProtocol: + def put_connection( + self, conn: H2ClientProtocol, key: ConnectionKeyT + ) -> H2ClientProtocol: self._connections[key] = conn # Now as we have established a proper HTTP/2 connection @@ -81,7 +85,9 @@ class H2ConnectionPool: return conn - def _remove_connection(self, errors: List[BaseException], key: Tuple) -> None: + def _remove_connection( + self, errors: List[BaseException], key: ConnectionKeyT + ) -> None: self._connections.pop(key) # Call the errback of all the pending requests for this connection @@ -122,7 +128,7 @@ class H2Agent: def get_endpoint(self, uri: URI) -> HostnameEndpoint: return self.endpoint_factory.endpointForURI(uri) - def get_key(self, uri: URI) -> Tuple: + def get_key(self, uri: URI) -> ConnectionKeyT: """ Arguments: uri - URI obtained directly from request URL @@ -164,6 +170,6 @@ class ScrapyProxyH2Agent(H2Agent): def get_endpoint(self, uri: URI) -> HostnameEndpoint: return self.endpoint_factory.endpointForURI(self._proxy_uri) - def get_key(self, uri: URI) -> Tuple: + def get_key(self, uri: URI) -> ConnectionKeyT: """We use the proxy uri instead of uri obtained from request url""" - return "http-proxy", self._proxy_uri.host, self._proxy_uri.port + return b"http-proxy", self._proxy_uri.host, self._proxy_uri.port From 70c56faf4847406de6eb3594758c5531610757e8 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Fri, 31 May 2024 21:41:27 +0500 Subject: [PATCH 209/786] Add parameters to typing.IO. --- scrapy/extensions/httpcache.py | 9 ++++++--- scrapy/mail.py | 4 ++-- scrapy/pipelines/files.py | 2 +- scrapy/utils/ftp.py | 2 +- scrapy/utils/misc.py | 2 +- 5 files changed, 11 insertions(+), 8 deletions(-) diff --git a/scrapy/extensions/httpcache.py b/scrapy/extensions/httpcache.py index dd5bce24f..3f4af42b7 100644 --- a/scrapy/extensions/httpcache.py +++ b/scrapy/extensions/httpcache.py @@ -315,7 +315,9 @@ class FilesystemCacheStorage: self.expiration_secs: int = settings.getint("HTTPCACHE_EXPIRATION_SECS") self.use_gzip: bool = settings.getbool("HTTPCACHE_GZIP") # https://github.com/python/mypy/issues/10740 - self._open: Callable[Concatenate[Union[str, os.PathLike], str, ...], IO] = ( + self._open: Callable[ + Concatenate[Union[str, os.PathLike], str, ...], IO[bytes] + ] = ( gzip.open if self.use_gzip else open # type: ignore[assignment] ) @@ -368,11 +370,12 @@ class FilesystemCacheStorage: with self._open(rpath / "pickled_meta", "wb") as f: pickle.dump(metadata, f, protocol=4) with self._open(rpath / "response_headers", "wb") as f: - f.write(headers_dict_to_raw(response.headers)) + # headers_dict_to_raw() needs a better type hint + f.write(cast(bytes, headers_dict_to_raw(response.headers))) with self._open(rpath / "response_body", "wb") as f: f.write(response.body) with self._open(rpath / "request_headers", "wb") as f: - f.write(headers_dict_to_raw(request.headers)) + f.write(cast(bytes, headers_dict_to_raw(request.headers))) with self._open(rpath / "request_body", "wb") as f: f.write(request.body) diff --git a/scrapy/mail.py b/scrapy/mail.py index fd6302550..f4ce2800c 100644 --- a/scrapy/mail.py +++ b/scrapy/mail.py @@ -97,7 +97,7 @@ class MailSender: subject: str, body: str, cc: Union[str, List[str], None] = None, - attachs: Sequence[Tuple[str, str, IO]] = (), + attachs: Sequence[Tuple[str, str, IO[Any]]] = (), mimetype: str = "text/plain", charset: Optional[str] = None, _callback: Optional[Callable[..., None]] = None, @@ -214,7 +214,7 @@ class MailSender: return d def _create_sender_factory( - self, to_addrs: List[str], msg: IO, d: Deferred + self, to_addrs: List[str], msg: IO[bytes], d: Deferred ) -> ESMTPSenderFactory: from twisted.mail.smtp import ESMTPSenderFactory diff --git a/scrapy/pipelines/files.py b/scrapy/pipelines/files.py index 47457f2a8..c1ce0939c 100644 --- a/scrapy/pipelines/files.py +++ b/scrapy/pipelines/files.py @@ -47,7 +47,7 @@ def _to_string(path: Union[str, PathLike]) -> str: return str(path) # convert a Path object to string -def _md5sum(file: IO) -> str: +def _md5sum(file: IO[bytes]) -> str: """Calculate the md5 checksum of a file-like object without reading its whole content in memory. diff --git a/scrapy/utils/ftp.py b/scrapy/utils/ftp.py index c77681a53..152f3374e 100644 --- a/scrapy/utils/ftp.py +++ b/scrapy/utils/ftp.py @@ -21,7 +21,7 @@ def ftp_makedirs_cwd(ftp: FTP, path: str, first_call: bool = True) -> None: def ftp_store_file( *, path: str, - file: IO, + file: IO[bytes], host: str, port: int, username: str, diff --git a/scrapy/utils/misc.py b/scrapy/utils/misc.py index faf52e44a..b678d1def 100644 --- a/scrapy/utils/misc.py +++ b/scrapy/utils/misc.py @@ -111,7 +111,7 @@ def walk_modules(path: str) -> List[ModuleType]: return mods -def md5sum(file: IO) -> str: +def md5sum(file: IO[bytes]) -> str: """Calculate the md5 checksum of a file-like object without reading its whole content in memory. From 751c91e614b91827dc68cd462b907c4b9d03f071 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Fri, 31 May 2024 21:57:14 +0500 Subject: [PATCH 210/786] Add parameters to misc generics. --- scrapy/core/engine.py | 20 +++++++++++--------- scrapy/core/http2/protocol.py | 4 ++-- scrapy/utils/datatypes.py | 4 ++-- scrapy/utils/python.py | 2 +- scrapy/utils/test.py | 8 +++++--- 5 files changed, 21 insertions(+), 17 deletions(-) diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index 4eca03800..4cb4454e3 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -5,6 +5,8 @@ For more information see docs/topics/architecture.rst """ +from __future__ import annotations + import logging from time import time from typing import ( @@ -51,15 +53,15 @@ class Slot: self, start_requests: Iterable[Request], close_if_idle: bool, - nextcall: CallLaterOnce, - scheduler: "BaseScheduler", + nextcall: CallLaterOnce[None], + scheduler: BaseScheduler, ) -> None: self.closing: Optional[Deferred] = None self.inprogress: Set[Request] = set() self.start_requests: Optional[Iterator[Request]] = iter(start_requests) self.close_if_idle: bool = close_if_idle - self.nextcall: CallLaterOnce = nextcall - self.scheduler: "BaseScheduler" = scheduler + self.nextcall: CallLaterOnce[None] = nextcall + self.scheduler: BaseScheduler = scheduler self.heartbeat: LoopingCall = LoopingCall(nextcall.schedule) def add_request(self, request: Request) -> None: @@ -84,8 +86,8 @@ class Slot: class ExecutionEngine: - def __init__(self, crawler: "Crawler", spider_closed_callback: Callable) -> None: - self.crawler: "Crawler" = crawler + def __init__(self, crawler: Crawler, spider_closed_callback: Callable) -> None: + self.crawler: Crawler = crawler self.settings: Settings = crawler.settings self.signals: SignalManager = crawler.signals assert crawler.logformatter @@ -94,7 +96,7 @@ class ExecutionEngine: self.spider: Optional[Spider] = None self.running: bool = False self.paused: bool = False - self.scheduler_cls: Type["BaseScheduler"] = self._get_scheduler_class( + self.scheduler_cls: Type[BaseScheduler] = self._get_scheduler_class( crawler.settings ) downloader_cls: Type[Downloader] = load_object(self.settings["DOWNLOADER"]) @@ -103,10 +105,10 @@ class ExecutionEngine: self._spider_closed_callback: Callable = spider_closed_callback self.start_time: Optional[float] = None - def _get_scheduler_class(self, settings: BaseSettings) -> Type["BaseScheduler"]: + def _get_scheduler_class(self, settings: BaseSettings) -> Type[BaseScheduler]: from scrapy.core.scheduler import BaseScheduler - scheduler_cls: Type = load_object(settings["SCHEDULER"]) + scheduler_cls: Type[BaseScheduler] = load_object(settings["SCHEDULER"]) if not issubclass(scheduler_cls, BaseScheduler): raise TypeError( f"The provided scheduler class ({settings['SCHEDULER']})" diff --git a/scrapy/core/http2/protocol.py b/scrapy/core/http2/protocol.py index 063835b17..f2f1cb0b8 100644 --- a/scrapy/core/http2/protocol.py +++ b/scrapy/core/http2/protocol.py @@ -3,7 +3,7 @@ import itertools import logging from collections import deque from ipaddress import IPv4Address, IPv6Address -from typing import Any, Dict, List, Optional, Union +from typing import Any, Deque, Dict, List, Optional, Union from h2.config import H2Configuration from h2.connection import H2Connection @@ -107,7 +107,7 @@ class H2ClientProtocol(Protocol, TimeoutMixin): # If requests are received before connection is made we keep # all requests in a pool and send them as the connection is made - self._pending_request_stream_pool: deque = deque() + self._pending_request_stream_pool: Deque[Stream] = deque() # Save an instance of errors raised which lead to losing the connection # We pass these instances to the streams ResponseFailed() failure diff --git a/scrapy/utils/datatypes.py b/scrapy/utils/datatypes.py index b2118495f..d06887610 100644 --- a/scrapy/utils/datatypes.py +++ b/scrapy/utils/datatypes.py @@ -196,8 +196,8 @@ class LocalWeakReferencedCache(weakref.WeakKeyDictionary): class SequenceExclude: """Object to test if an item is NOT within some sequence.""" - def __init__(self, seq: Sequence): - self.seq: Sequence = seq + def __init__(self, seq: Sequence[Any]): + self.seq: Sequence[Any] = seq def __contains__(self, item: Any) -> bool: return item not in self.seq diff --git a/scrapy/utils/python.py b/scrapy/utils/python.py index 3db7acf81..fc1eb4f69 100644 --- a/scrapy/utils/python.py +++ b/scrapy/utils/python.py @@ -148,7 +148,7 @@ def to_bytes( def re_rsearch( - pattern: Union[str, Pattern], text: str, chunk_size: int = 1024 + pattern: Union[str, Pattern[str]], text: str, chunk_size: int = 1024 ) -> Optional[Tuple[int, int]]: """ This function does a reverse search in a text using a regular expression diff --git a/scrapy/utils/test.py b/scrapy/utils/test.py index 7a8c5c859..268d8d4be 100644 --- a/scrapy/utils/test.py +++ b/scrapy/utils/test.py @@ -7,7 +7,7 @@ import os from importlib import import_module from pathlib import Path from posixpath import split -from typing import Any, Coroutine, Dict, List, Optional, Tuple, Type +from typing import Any, Awaitable, Dict, List, Optional, Tuple, Type, TypeVar from unittest import TestCase, mock from twisted.internet.defer import Deferred @@ -17,6 +17,8 @@ from scrapy import Spider from scrapy.crawler import Crawler from scrapy.utils.boto import is_botocore_available +_T = TypeVar("_T") + def assert_gcs_environ() -> None: if "GCS_PROJECT_ID" not in os.environ: @@ -118,8 +120,8 @@ def assert_samelines( testcase.assertEqual(text1.splitlines(), text2.splitlines(), msg) -def get_from_asyncio_queue(value: Any) -> Coroutine: - q: asyncio.Queue = asyncio.Queue() +def get_from_asyncio_queue(value: _T) -> Awaitable[_T]: + q: asyncio.Queue[_T] = asyncio.Queue() getter = q.get() q.put_nowait(value) return getter From 859a77ee4243f17f338072e45785383f12516308 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Fri, 31 May 2024 22:23:26 +0500 Subject: [PATCH 211/786] Use a TypedDict for the verbose cookie form. --- scrapy/downloadermiddlewares/cookies.py | 25 +++++++++---------------- scrapy/http/request/__init__.py | 20 ++++++++++++++++---- scrapy/http/response/__init__.py | 6 +++--- scrapy/http/response/text.py | 6 +++--- 4 files changed, 31 insertions(+), 26 deletions(-) diff --git a/scrapy/downloadermiddlewares/cookies.py b/scrapy/downloadermiddlewares/cookies.py index 6ada3b474..73c2c57fe 100644 --- a/scrapy/downloadermiddlewares/cookies.py +++ b/scrapy/downloadermiddlewares/cookies.py @@ -3,16 +3,7 @@ from __future__ import annotations import logging from collections import defaultdict from http.cookiejar import Cookie -from typing import ( - TYPE_CHECKING, - Any, - DefaultDict, - Dict, - Iterable, - Optional, - Sequence, - Union, -) +from typing import TYPE_CHECKING, Any, DefaultDict, Iterable, Optional, Sequence, Union from tldextract import TLDExtract @@ -21,6 +12,7 @@ from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured from scrapy.http import Response from scrapy.http.cookies import CookieJar +from scrapy.http.request import VerboseCookie from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.python import to_unicode @@ -128,7 +120,7 @@ class CookiesMiddleware: msg = f"Received cookies from: {response}\n{cookies}" logger.debug(msg, extra={"spider": spider}) - def _format_cookie(self, cookie: Dict[str, Any], request: Request) -> Optional[str]: + def _format_cookie(self, cookie: VerboseCookie, request: Request) -> Optional[str]: """ Given a dict consisting of cookie components, return its string representation. Decode from bytes if necessary. @@ -142,18 +134,19 @@ class CookiesMiddleware: logger.warning(msg) return None continue - if isinstance(cookie[key], (bool, float, int, str)): - decoded[key] = str(cookie[key]) + # https://github.com/python/mypy/issues/7178, https://github.com/python/mypy/issues/9168 + if isinstance(cookie[key], (bool, float, int, str)): # type: ignore[literal-required] + decoded[key] = str(cookie[key]) # type: ignore[literal-required] else: try: - decoded[key] = cookie[key].decode("utf8") + decoded[key] = cookie[key].decode("utf8") # type: ignore[literal-required] except UnicodeDecodeError: logger.warning( "Non UTF-8 encoded cookie found in request %s: %s", request, cookie, ) - decoded[key] = cookie[key].decode("latin1", errors="replace") + decoded[key] = cookie[key].decode("latin1", errors="replace") # type: ignore[literal-required] for flag in ("secure",): value = cookie.get(flag, _UNSET) if value is _UNSET or not value: @@ -174,7 +167,7 @@ class CookiesMiddleware: """ if not request.cookies: return [] - cookies: Iterable[Dict[str, Any]] + cookies: Iterable[VerboseCookie] if isinstance(request.cookies, dict): cookies = tuple({"name": k, "value": v} for k, v in request.cookies.items()) else: diff --git a/scrapy/http/request/__init__.py b/scrapy/http/request/__init__.py index dfb1dca89..96d0dc515 100644 --- a/scrapy/http/request/__init__.py +++ b/scrapy/http/request/__init__.py @@ -20,6 +20,7 @@ from typing import ( NoReturn, Optional, Tuple, + TypedDict, Union, cast, ) @@ -34,8 +35,19 @@ from scrapy.utils.trackref import object_ref from scrapy.utils.url import escape_ajax if TYPE_CHECKING: - # typing.Self requires Python 3.11 - from typing_extensions import Self + # typing.NotRequired and typing.Self require Python 3.11 + from typing_extensions import NotRequired, Self + + +class VerboseCookie(TypedDict): + name: str + value: str + domain: NotRequired[str] + path: NotRequired[str] + secure: NotRequired[bool] + + +CookiesT = Union[Dict[str, str], List[VerboseCookie]] def NO_CALLBACK(*args: Any, **kwargs: Any) -> NoReturn: @@ -97,7 +109,7 @@ class Request(object_ref): method: str = "GET", headers: Union[Mapping[AnyStr, Any], Iterable[Tuple[AnyStr, Any]], None] = None, body: Optional[Union[bytes, str]] = None, - cookies: Optional[Union[Dict[str, str], List[Dict[str, str]]]] = None, + cookies: Optional[CookiesT] = None, meta: Optional[Dict[str, Any]] = None, encoding: str = "utf-8", priority: int = 0, @@ -123,7 +135,7 @@ class Request(object_ref): self.callback: Optional[Callable] = callback self.errback: Optional[Callable] = errback - self.cookies: Union[Dict[str, str], List[Dict[str, str]]] = cookies or {} + self.cookies: CookiesT = cookies or {} self.headers: Headers = Headers(headers or {}, encoding=encoding) self.dont_filter: bool = dont_filter diff --git a/scrapy/http/response/__init__.py b/scrapy/http/response/__init__.py index 14618e5e7..166c4de97 100644 --- a/scrapy/http/response/__init__.py +++ b/scrapy/http/response/__init__.py @@ -29,7 +29,7 @@ from twisted.internet.ssl import Certificate from scrapy.exceptions import NotSupported from scrapy.http.headers import Headers -from scrapy.http.request import Request +from scrapy.http.request import CookiesT, Request from scrapy.link import Link from scrapy.utils.trackref import object_ref @@ -181,7 +181,7 @@ class Response(object_ref): method: str = "GET", headers: Union[Mapping[AnyStr, Any], Iterable[Tuple[AnyStr, Any]], None] = None, body: Optional[Union[bytes, str]] = None, - cookies: Optional[Union[Dict[str, str], List[Dict[str, str]]]] = None, + cookies: Optional[CookiesT] = None, meta: Optional[Dict[str, Any]] = None, encoding: Optional[str] = "utf-8", priority: int = 0, @@ -234,7 +234,7 @@ class Response(object_ref): method: str = "GET", headers: Union[Mapping[AnyStr, Any], Iterable[Tuple[AnyStr, Any]], None] = None, body: Optional[Union[bytes, str]] = None, - cookies: Optional[Union[Dict[str, str], List[Dict[str, str]]]] = None, + cookies: Optional[CookiesT] = None, meta: Optional[Dict[str, Any]] = None, encoding: Optional[str] = "utf-8", priority: int = 0, diff --git a/scrapy/http/response/text.py b/scrapy/http/response/text.py index a83279ac8..44c36b682 100644 --- a/scrapy/http/response/text.py +++ b/scrapy/http/response/text.py @@ -36,7 +36,7 @@ from w3lib.encoding import ( ) from w3lib.html import strip_html5_whitespace -from scrapy.http import Request +from scrapy.http.request import CookiesT, Request from scrapy.http.response import Response from scrapy.link import Link from scrapy.utils.python import memoizemethod_noargs, to_unicode @@ -183,7 +183,7 @@ class TextResponse(Response): method: str = "GET", headers: Union[Mapping[AnyStr, Any], Iterable[Tuple[AnyStr, Any]], None] = None, body: Optional[Union[bytes, str]] = None, - cookies: Optional[Union[Dict[str, str], List[Dict[str, str]]]] = None, + cookies: Optional[CookiesT] = None, meta: Optional[Dict[str, Any]] = None, encoding: Optional[str] = None, priority: int = 0, @@ -236,7 +236,7 @@ class TextResponse(Response): method: str = "GET", headers: Union[Mapping[AnyStr, Any], Iterable[Tuple[AnyStr, Any]], None] = None, body: Optional[Union[bytes, str]] = None, - cookies: Optional[Union[Dict[str, str], List[Dict[str, str]]]] = None, + cookies: Optional[CookiesT] = None, meta: Optional[Dict[str, Any]] = None, encoding: Optional[str] = None, priority: int = 0, From 019f23e3b75a0a481a4fcc22dc93c867ce424b18 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Sun, 2 Jun 2024 18:42:01 +0500 Subject: [PATCH 212/786] Add parameters to some of typing.Callable. --- scrapy/core/downloader/handlers/__init__.py | 12 +++++++----- scrapy/core/engine.py | 12 +++++++++--- scrapy/http/request/__init__.py | 2 +- scrapy/utils/misc.py | 8 +++++--- scrapy/utils/python.py | 6 +++--- 5 files changed, 25 insertions(+), 15 deletions(-) diff --git a/scrapy/core/downloader/handlers/__init__.py b/scrapy/core/downloader/handlers/__init__.py index af5282553..5ec5ef6db 100644 --- a/scrapy/core/downloader/handlers/__init__.py +++ b/scrapy/core/downloader/handlers/__init__.py @@ -1,5 +1,7 @@ """Download handlers for different schemes""" +from __future__ import annotations + import logging from typing import TYPE_CHECKING, Any, Callable, Dict, Generator, Union, cast @@ -19,16 +21,16 @@ logger = logging.getLogger(__name__) class DownloadHandlers: - def __init__(self, crawler: "Crawler"): - self._crawler: "Crawler" = crawler - self._schemes: Dict[str, Union[str, Callable]] = ( + def __init__(self, crawler: Crawler): + self._crawler: Crawler = crawler + self._schemes: Dict[str, Union[str, Callable[..., Any]]] = ( {} ) # stores acceptable schemes on instancing self._handlers: Dict[str, Any] = {} # stores instanced handlers for schemes self._notconfigured: Dict[str, str] = {} # remembers failed handlers - handlers: Dict[str, Union[str, Callable]] = without_none_values( + handlers: Dict[str, Union[str, Callable[..., Any]]] = without_none_values( cast( - Dict[str, Union[str, Callable]], + Dict[str, Union[str, Callable[..., Any]]], crawler.settings.getwithbase("DOWNLOAD_HANDLERS"), ) ) diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index 4cb4454e3..b342ad7a3 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -86,7 +86,11 @@ class Slot: class ExecutionEngine: - def __init__(self, crawler: Crawler, spider_closed_callback: Callable) -> None: + def __init__( + self, + crawler: Crawler, + spider_closed_callback: Callable[[Spider], Optional[Deferred[None]]], + ) -> None: self.crawler: Crawler = crawler self.settings: Settings = crawler.settings self.signals: SignalManager = crawler.signals @@ -102,7 +106,9 @@ class ExecutionEngine: downloader_cls: Type[Downloader] = load_object(self.settings["DOWNLOADER"]) self.downloader: Downloader = downloader_cls(crawler) self.scraper = Scraper(crawler) - self._spider_closed_callback: Callable = spider_closed_callback + self._spider_closed_callback: Callable[[Spider], Optional[Deferred[None]]] = ( + spider_closed_callback + ) self.start_time: Optional[float] = None def _get_scheduler_class(self, settings: BaseSettings) -> Type[BaseScheduler]: @@ -427,7 +433,7 @@ class ExecutionEngine: dfd = self.slot.close() - def log_failure(msg: str) -> Callable: + def log_failure(msg: str) -> Callable[[Failure], None]: def errback(failure: Failure) -> None: logger.error( msg, exc_info=failure_to_exc_info(failure), extra={"spider": spider} diff --git a/scrapy/http/request/__init__.py b/scrapy/http/request/__init__.py index 96d0dc515..77149333c 100644 --- a/scrapy/http/request/__init__.py +++ b/scrapy/http/request/__init__.py @@ -266,7 +266,7 @@ class Request(object_ref): return d -def _find_method(obj: Any, func: Callable) -> str: +def _find_method(obj: Any, func: Callable[..., Any]) -> str: """Helper function for Request.to_dict""" # Only instance methods contain ``__func__`` if obj and hasattr(func, "__func__"): diff --git a/scrapy/utils/misc.py b/scrapy/utils/misc.py index b678d1def..49f36de2d 100644 --- a/scrapy/utils/misc.py +++ b/scrapy/utils/misc.py @@ -56,7 +56,7 @@ def arg_to_iter(arg: Any) -> Iterable[Any]: return [arg] -def load_object(path: Union[str, Callable]) -> Any: +def load_object(path: Union[str, Callable[..., Any]]) -> Any: """Load an object given its absolute object path, and return it. The object can be the import path of a class, function, variable or an @@ -263,7 +263,7 @@ def walk_callable(node: ast.AST) -> Generator[ast.AST, Any, None]: _generator_callbacks_cache = LocalWeakReferencedCache(limit=128) -def is_generator_with_return_value(callable: Callable) -> bool: +def is_generator_with_return_value(callable: Callable[..., Any]) -> bool: """ Returns True if a callable is a generator function which includes a 'return' statement with a value different than None, False otherwise @@ -300,7 +300,9 @@ def is_generator_with_return_value(callable: Callable) -> bool: return bool(_generator_callbacks_cache[callable]) -def warn_on_generator_with_return_value(spider: Spider, callable: Callable) -> None: +def warn_on_generator_with_return_value( + spider: Spider, callable: Callable[..., Any] +) -> None: """ Logs a warning if a callable is a generator function and includes a 'return' statement with a value different than None diff --git a/scrapy/utils/python.py b/scrapy/utils/python.py index fc1eb4f69..37a84a350 100644 --- a/scrapy/utils/python.py +++ b/scrapy/utils/python.py @@ -217,7 +217,7 @@ def binary_is_text(data: bytes) -> bool: return all(c not in _BINARYCHARS for c in data) -def get_func_args(func: Callable, stripself: bool = False) -> List[str]: +def get_func_args(func: Callable[..., Any], stripself: bool = False) -> List[str]: """Return the argument name list of a callable object""" if not callable(func): raise TypeError(f"func must be callable, got '{type(func).__name__}'") @@ -247,7 +247,7 @@ def get_func_args(func: Callable, stripself: bool = False) -> List[str]: return args -def get_spec(func: Callable) -> Tuple[List[str], Dict[str, Any]]: +def get_spec(func: Callable[..., Any]) -> Tuple[List[str], Dict[str, Any]]: """Returns (args, kwargs) tuple for a function >>> import re >>> get_spec(re.match) @@ -285,7 +285,7 @@ def get_spec(func: Callable) -> Tuple[List[str], Dict[str, Any]]: def equal_attributes( - obj1: Any, obj2: Any, attributes: Optional[List[Union[str, Callable]]] + obj1: Any, obj2: Any, attributes: Optional[List[Union[str, Callable[[Any], Any]]]] ) -> bool: """Compare two objects attributes""" # not attributes given return False by default From 492c3bce9dfc6cccdad8fc7002db4bec49cfcb35 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 3 Jun 2024 15:28:20 +0400 Subject: [PATCH 213/786] Don't run callbacks of requests from get_media_requests(). (#6386) --- scrapy/pipelines/media.py | 10 ---------- tests/test_pipeline_media.py | 7 ------- 2 files changed, 17 deletions(-) diff --git a/scrapy/pipelines/media.py b/scrapy/pipelines/media.py index 25e00b0ea..0e374265e 100644 --- a/scrapy/pipelines/media.py +++ b/scrapy/pipelines/media.py @@ -24,10 +24,6 @@ if TYPE_CHECKING: logger = logging.getLogger(__name__) -def _DUMMY_CALLBACK(response): - return response - - class MediaPipeline(ABC): LOG_FAILED_RESULTS = True @@ -89,10 +85,6 @@ class MediaPipeline(ABC): def _process_request(self, request, info, item): fp = self._fingerprinter.fingerprint(request) - if not request.callback or request.callback is NO_CALLBACK: - cb = _DUMMY_CALLBACK - else: - cb = request.callback eb = request.errback request.callback = NO_CALLBACK request.errback = None @@ -100,14 +92,12 @@ class MediaPipeline(ABC): # Return cached result if request was already seen if fp in info.downloaded: d = defer_result(info.downloaded[fp]) - d.addCallback(cb) if eb: d.addErrback(eb) return d # Otherwise, wait for result wad = Deferred() - wad.addCallback(cb) if eb: wad.addErrback(eb) info.waiting[fp].append(wad) diff --git a/tests/test_pipeline_media.py b/tests/test_pipeline_media.py index 763453551..127775f43 100644 --- a/tests/test_pipeline_media.py +++ b/tests/test_pipeline_media.py @@ -211,10 +211,6 @@ class MockedMediaPipeline(UserDefinedPipeline): class MediaPipelineTestCase(BaseMediaPipelineTestCase): pipeline_class = MockedMediaPipeline - def _callback(self, result): - self.pipe._mockcalled.append("request_callback") - return result - def _errback(self, result): self.pipe._mockcalled.append("request_errback") return result @@ -225,7 +221,6 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): req = Request( "http://url1", meta={"response": rsp}, - callback=self._callback, errback=self._errback, ) item = {"requests": req} @@ -237,7 +232,6 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): "get_media_requests", "media_to_download", "media_downloaded", - "request_callback", "item_completed", ], ) @@ -249,7 +243,6 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): req = Request( "http://url1", meta={"response": fail}, - callback=self._callback, errback=self._errback, ) item = {"requests": req} From e56b425198bfe3e86f2c578e7bc1f2988c7d3ec9 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 5 Jun 2024 08:33:45 +0400 Subject: [PATCH 214/786] Full typing for scrapy/pipelines. (#6387) --- scrapy/pipelines/__init__.py | 3 +- scrapy/pipelines/files.py | 274 +++++++++++++++++++++++++---------- scrapy/pipelines/images.py | 128 ++++++++++++---- scrapy/pipelines/media.py | 162 ++++++++++++++++----- 4 files changed, 424 insertions(+), 143 deletions(-) diff --git a/scrapy/pipelines/__init__.py b/scrapy/pipelines/__init__.py index f9544d329..0cfbc156f 100644 --- a/scrapy/pipelines/__init__.py +++ b/scrapy/pipelines/__init__.py @@ -10,6 +10,7 @@ from twisted.internet.defer import Deferred from scrapy import Spider from scrapy.middleware import MiddlewareManager +from scrapy.settings import Settings from scrapy.utils.conf import build_component_list from scrapy.utils.defer import deferred_f_from_coro_f @@ -18,7 +19,7 @@ class ItemPipelineManager(MiddlewareManager): component_name = "item pipeline" @classmethod - def _get_mwlist_from_settings(cls, settings) -> List[Any]: + def _get_mwlist_from_settings(cls, settings: Settings) -> List[Any]: return build_component_list(settings.getwithbase("ITEM_PIPELINES")) def _add_middleware(self, pipe: Any) -> None: diff --git a/scrapy/pipelines/files.py b/scrapy/pipelines/files.py index c1ce0939c..85a8c77da 100644 --- a/scrapy/pipelines/files.py +++ b/scrapy/pipelines/files.py @@ -18,16 +18,35 @@ from ftplib import FTP from io import BytesIO from os import PathLike from pathlib import Path -from typing import IO, TYPE_CHECKING, DefaultDict, Optional, Set, Type, Union, cast +from typing import ( + IO, + TYPE_CHECKING, + Any, + Callable, + DefaultDict, + Dict, + List, + NoReturn, + Optional, + Protocol, + Set, + Type, + TypedDict, + Union, + cast, +) from urllib.parse import urlparse from itemadapter import ItemAdapter from twisted.internet import defer, threads +from twisted.internet.defer import Deferred +from twisted.python.failure import Failure +from scrapy import Spider from scrapy.exceptions import IgnoreRequest, NotConfigured -from scrapy.http import Request +from scrapy.http import Request, Response from scrapy.http.request import NO_CALLBACK -from scrapy.pipelines.media import MediaPipeline +from scrapy.pipelines.media import FileInfo, FileInfoOrError, MediaPipeline from scrapy.settings import Settings from scrapy.utils.boto import is_botocore_available from scrapy.utils.datatypes import CaseInsensitiveDict @@ -40,10 +59,11 @@ if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + logger = logging.getLogger(__name__) -def _to_string(path: Union[str, PathLike]) -> str: +def _to_string(path: Union[str, PathLike[str]]) -> str: return str(path) # convert a Path object to string @@ -68,23 +88,54 @@ class FileException(Exception): """General media error exception""" +class StatInfo(TypedDict, total=False): + checksum: str + last_modified: float + + +class FilesStoreProtocol(Protocol): + def __init__(self, basedir: str): ... + + def persist_file( + self, + path: str, + buf: BytesIO, + info: MediaPipeline.SpiderInfo, + meta: Optional[Dict[str, Any]] = None, + headers: Optional[Dict[str, str]] = None, + ) -> Optional[Deferred[Any]]: ... + + def stat_file( + self, path: str, info: MediaPipeline.SpiderInfo + ) -> Union[StatInfo, Deferred[StatInfo]]: ... + + class FSFilesStore: - def __init__(self, basedir: Union[str, PathLike]): + def __init__(self, basedir: Union[str, PathLike[str]]): basedir = _to_string(basedir) if "://" in basedir: basedir = basedir.split("://", 1)[1] - self.basedir = basedir + self.basedir: str = basedir self._mkdir(Path(self.basedir)) - self.created_directories: DefaultDict[str, Set[str]] = defaultdict(set) + self.created_directories: DefaultDict[MediaPipeline.SpiderInfo, Set[str]] = ( + defaultdict(set) + ) def persist_file( - self, path: Union[str, PathLike], buf, info, meta=None, headers=None - ): + self, + path: Union[str, PathLike[str]], + buf: BytesIO, + info: MediaPipeline.SpiderInfo, + meta: Optional[Dict[str, Any]] = None, + headers: Optional[Dict[str, str]] = None, + ) -> None: absolute_path = self._get_filesystem_path(path) self._mkdir(absolute_path.parent, info) absolute_path.write_bytes(buf.getvalue()) - def stat_file(self, path: Union[str, PathLike], info): + def stat_file( + self, path: Union[str, PathLike[str]], info: MediaPipeline.SpiderInfo + ) -> StatInfo: absolute_path = self._get_filesystem_path(path) try: last_modified = absolute_path.stat().st_mtime @@ -96,12 +147,14 @@ class FSFilesStore: return {"last_modified": last_modified, "checksum": checksum} - def _get_filesystem_path(self, path: Union[str, PathLike]) -> Path: + def _get_filesystem_path(self, path: Union[str, PathLike[str]]) -> Path: path_comps = _to_string(path).split("/") return Path(self.basedir, *path_comps) - def _mkdir(self, dirname: Path, domain: Optional[str] = None): - seen = self.created_directories[domain] if domain else set() + def _mkdir( + self, dirname: Path, domain: Optional[MediaPipeline.SpiderInfo] = None + ) -> None: + seen: Set[str] = self.created_directories[domain] if domain else set() if str(dirname) not in seen: if not dirname.exists(): dirname.mkdir(parents=True) @@ -122,7 +175,7 @@ class S3FilesStore: "Cache-Control": "max-age=172800", } - def __init__(self, uri): + def __init__(self, uri: str): if not is_botocore_available(): raise NotConfigured("missing botocore library") import botocore.session @@ -142,8 +195,10 @@ class S3FilesStore: raise ValueError(f"Incorrect URI scheme in {uri}, expected 's3'") self.bucket, self.prefix = uri[5:].split("/", 1) - def stat_file(self, path, info): - def _onsuccess(boto_key): + def stat_file( + self, path: str, info: MediaPipeline.SpiderInfo + ) -> Deferred[StatInfo]: + def _onsuccess(boto_key: Dict[str, Any]) -> StatInfo: checksum = boto_key["ETag"].strip('"') last_modified = boto_key["LastModified"] modified_stamp = time.mktime(last_modified.timetuple()) @@ -151,13 +206,23 @@ class S3FilesStore: return self._get_boto_key(path).addCallback(_onsuccess) - def _get_boto_key(self, path): + def _get_boto_key(self, path: str) -> Deferred[Dict[str, Any]]: key_name = f"{self.prefix}{path}" - return threads.deferToThread( - self.s3_client.head_object, Bucket=self.bucket, Key=key_name + return cast( + "Deferred[Dict[str, Any]]", + threads.deferToThread( + self.s3_client.head_object, Bucket=self.bucket, Key=key_name # type: ignore[attr-defined] + ), ) - def persist_file(self, path, buf, info, meta=None, headers=None): + def persist_file( + self, + path: str, + buf: BytesIO, + info: MediaPipeline.SpiderInfo, + meta: Optional[Dict[str, Any]] = None, + headers: Optional[Dict[str, str]] = None, + ) -> Deferred[Any]: """Upload file to S3 storage""" key_name = f"{self.prefix}{path}" buf.seek(0) @@ -165,7 +230,7 @@ class S3FilesStore: if headers: extra.update(self._headers_to_botocore_kwargs(headers)) return threads.deferToThread( - self.s3_client.put_object, + self.s3_client.put_object, # type: ignore[attr-defined] Bucket=self.bucket, Key=key_name, Body=buf, @@ -174,7 +239,7 @@ class S3FilesStore: **extra, ) - def _headers_to_botocore_kwargs(self, headers): + def _headers_to_botocore_kwargs(self, headers: Dict[str, Any]) -> Dict[str, Any]: """Convert headers to botocore keyword arguments.""" # This is required while we need to support both boto and botocore. mapping = CaseInsensitiveDict( @@ -206,7 +271,7 @@ class S3FilesStore: "X-Amz-Website-Redirect-Location": "WebsiteRedirectLocation", } ) - extra = {} + extra: Dict[str, Any] = {} for key, value in headers.items(): try: kwarg = mapping[key] @@ -226,13 +291,13 @@ class GCSFilesStore: # Overridden from settings.FILES_STORE_GCS_ACL in FilesPipeline.from_settings. POLICY = None - def __init__(self, uri): + def __init__(self, uri: str): from google.cloud import storage client = storage.Client(project=self.GCS_PROJECT_ID) bucket, prefix = uri[5:].split("/", 1) self.bucket = client.bucket(bucket) - self.prefix = prefix + self.prefix: str = prefix permissions = self.bucket.test_iam_permissions( ["storage.objects.get", "storage.objects.create"] ) @@ -248,8 +313,10 @@ class GCSFilesStore: {"bucket": bucket}, ) - def stat_file(self, path, info): - def _onsuccess(blob): + def stat_file( + self, path: str, info: MediaPipeline.SpiderInfo + ) -> Deferred[StatInfo]: + def _onsuccess(blob) -> StatInfo: if blob: checksum = base64.b64decode(blob.md5_hash).hex() last_modified = time.mktime(blob.updated.timetuple()) @@ -257,19 +324,29 @@ class GCSFilesStore: return {} blob_path = self._get_blob_path(path) - return threads.deferToThread(self.bucket.get_blob, blob_path).addCallback( - _onsuccess + return cast( + Deferred[StatInfo], + threads.deferToThread(self.bucket.get_blob, blob_path).addCallback( + _onsuccess + ), ) - def _get_content_type(self, headers): + def _get_content_type(self, headers: Optional[Dict[str, str]]) -> str: if headers and "Content-Type" in headers: return headers["Content-Type"] return "application/octet-stream" - def _get_blob_path(self, path): + def _get_blob_path(self, path: str) -> str: return self.prefix + path - def persist_file(self, path, buf, info, meta=None, headers=None): + def persist_file( + self, + path: str, + buf: BytesIO, + info: MediaPipeline.SpiderInfo, + meta: Optional[Dict[str, Any]] = None, + headers: Optional[Dict[str, str]] = None, + ) -> Deferred[Any]: blob_path = self._get_blob_path(path) blob = self.bucket.blob(blob_path) blob.cache_control = self.CACHE_CONTROL @@ -283,22 +360,33 @@ class GCSFilesStore: class FTPFilesStore: - FTP_USERNAME = None - FTP_PASSWORD = None - USE_ACTIVE_MODE = None + FTP_USERNAME: Optional[str] = None + FTP_PASSWORD: Optional[str] = None + USE_ACTIVE_MODE: Optional[bool] = None - def __init__(self, uri): + def __init__(self, uri: str): if not uri.startswith("ftp://"): raise ValueError(f"Incorrect URI scheme in {uri}, expected 'ftp'") u = urlparse(uri) - self.port = u.port - self.host = u.hostname + assert u.port + assert u.hostname + self.port: int = u.port + self.host: str = u.hostname self.port = int(u.port or 21) - self.username = u.username or self.FTP_USERNAME - self.password = u.password or self.FTP_PASSWORD - self.basedir = u.path.rstrip("/") + assert self.FTP_USERNAME + assert self.FTP_PASSWORD + self.username: str = u.username or self.FTP_USERNAME + self.password: str = u.password or self.FTP_PASSWORD + self.basedir: str = u.path.rstrip("/") - def persist_file(self, path, buf, info, meta=None, headers=None): + def persist_file( + self, + path: str, + buf: BytesIO, + info: MediaPipeline.SpiderInfo, + meta: Optional[Dict[str, Any]] = None, + headers: Optional[Dict[str, str]] = None, + ) -> Deferred[Any]: path = f"{self.basedir}/{path}" return threads.deferToThread( ftp_store_file, @@ -311,8 +399,10 @@ class FTPFilesStore: use_active_mode=self.USE_ACTIVE_MODE, ) - def stat_file(self, path, info): - def _stat_file(path): + def stat_file( + self, path: str, info: MediaPipeline.SpiderInfo + ) -> Deferred[StatInfo]: + def _stat_file(path: str) -> StatInfo: try: ftp = FTP() ftp.connect(self.host, self.port) @@ -328,7 +418,7 @@ class FTPFilesStore: except Exception: return {} - return threads.deferToThread(_stat_file, path) + return cast("Deferred[StatInfo]", threads.deferToThread(_stat_file, path)) class FilesPipeline(MediaPipeline): @@ -350,20 +440,23 @@ class FilesPipeline(MediaPipeline): """ - MEDIA_NAME = "file" - EXPIRES = 90 - STORE_SCHEMES = { + MEDIA_NAME: str = "file" + EXPIRES: int = 90 + STORE_SCHEMES: Dict[str, Type[FilesStoreProtocol]] = { "": FSFilesStore, "file": FSFilesStore, "s3": S3FilesStore, "gs": GCSFilesStore, "ftp": FTPFilesStore, } - DEFAULT_FILES_URLS_FIELD = "file_urls" - DEFAULT_FILES_RESULT_FIELD = "files" + DEFAULT_FILES_URLS_FIELD: str = "file_urls" + DEFAULT_FILES_RESULT_FIELD: str = "files" def __init__( - self, store_uri: Union[str, PathLike], download_func=None, settings=None + self, + store_uri: Union[str, PathLike[str]], + download_func: Optional[Callable[[Request, Spider], Response]] = None, + settings: Union[Settings, Dict[str, Any], None] = None, ): store_uri = _to_string(store_uri) if not store_uri: @@ -372,26 +465,26 @@ class FilesPipeline(MediaPipeline): if isinstance(settings, dict) or settings is None: settings = Settings(settings) cls_name = "FilesPipeline" - self.store = self._get_store(store_uri) + self.store: FilesStoreProtocol = self._get_store(store_uri) resolve = functools.partial( self._key_for_pipe, base_class_name=cls_name, settings=settings ) - self.expires = settings.getint(resolve("FILES_EXPIRES"), self.EXPIRES) + self.expires: int = settings.getint(resolve("FILES_EXPIRES"), self.EXPIRES) if not hasattr(self, "FILES_URLS_FIELD"): self.FILES_URLS_FIELD = self.DEFAULT_FILES_URLS_FIELD if not hasattr(self, "FILES_RESULT_FIELD"): self.FILES_RESULT_FIELD = self.DEFAULT_FILES_RESULT_FIELD - self.files_urls_field = settings.get( + self.files_urls_field: str = settings.get( resolve("FILES_URLS_FIELD"), self.FILES_URLS_FIELD ) - self.files_result_field = settings.get( + self.files_result_field: str = settings.get( resolve("FILES_RESULT_FIELD"), self.FILES_RESULT_FIELD ) super().__init__(download_func=download_func, settings=settings) @classmethod - def from_settings(cls, settings) -> Self: + def from_settings(cls, settings: Settings) -> Self: s3store: Type[S3FilesStore] = cast(Type[S3FilesStore], cls.STORE_SCHEMES["s3"]) s3store.AWS_ACCESS_KEY_ID = settings["AWS_ACCESS_KEY_ID"] s3store.AWS_SECRET_ACCESS_KEY = settings["AWS_SECRET_ACCESS_KEY"] @@ -418,7 +511,7 @@ class FilesPipeline(MediaPipeline): store_uri = settings["FILES_STORE"] return cls(store_uri, settings=settings) - def _get_store(self, uri: str): + def _get_store(self, uri: str) -> FilesStoreProtocol: if Path(uri).is_absolute(): # to support win32 paths like: C:\\some\dir scheme = "file" else: @@ -426,19 +519,21 @@ class FilesPipeline(MediaPipeline): store_cls = self.STORE_SCHEMES[scheme] return store_cls(uri) - def media_to_download(self, request, info, *, item=None): - def _onsuccess(result): + def media_to_download( + self, request: Request, info: MediaPipeline.SpiderInfo, *, item: Any = None + ) -> Deferred[Optional[FileInfo]]: + def _onsuccess(result: StatInfo) -> Optional[FileInfo]: if not result: - return # returning None force download + return None # returning None force download last_modified = result.get("last_modified", None) if not last_modified: - return # returning None force download + return None # returning None force download age_seconds = time.time() - last_modified age_days = age_seconds / 60 / 60 / 24 if age_days > self.expires: - return # returning None force download + return None # returning None force download referer = referer_str(request) logger.debug( @@ -458,19 +553,22 @@ class FilesPipeline(MediaPipeline): } path = self.file_path(request, info=info, item=item) - dfd = defer.maybeDeferred(self.store.stat_file, path, info) - dfd.addCallback(_onsuccess) - dfd.addErrback(lambda _: None) - dfd.addErrback( + # defer.maybeDeferred() overloads don't seem to support a Union[_T, Deferred[_T]] return type + dfd: Deferred[StatInfo] = defer.maybeDeferred(self.store.stat_file, path, info) # type: ignore[arg-type] + dfd2: Deferred[Optional[FileInfo]] = dfd.addCallback(_onsuccess) + dfd2.addErrback(lambda _: None) + dfd2.addErrback( lambda f: logger.error( self.__class__.__name__ + ".store.stat_file", exc_info=failure_to_exc_info(f), extra={"spider": info.spider}, ) ) - return dfd + return dfd2 - def media_failed(self, failure, request, info): + def media_failed( + self, failure: Failure, request: Request, info: MediaPipeline.SpiderInfo + ) -> NoReturn: if not isinstance(failure.value, IgnoreRequest): referer = referer_str(request) logger.warning( @@ -487,7 +585,14 @@ class FilesPipeline(MediaPipeline): raise FileException - def media_downloaded(self, response, request, info, *, item=None): + def media_downloaded( + self, + response: Response, + request: Request, + info: MediaPipeline.SpiderInfo, + *, + item: Any = None, + ) -> FileInfo: referer = referer_str(request) if response.status != 200: @@ -546,16 +651,26 @@ class FilesPipeline(MediaPipeline): "status": status, } - def inc_stats(self, spider, status): + def inc_stats(self, spider: Spider, status: str) -> None: + assert spider.crawler.stats spider.crawler.stats.inc_value("file_count", spider=spider) spider.crawler.stats.inc_value(f"file_status_count/{status}", spider=spider) # Overridable Interface - def get_media_requests(self, item, info): + def get_media_requests( + self, item: Any, info: MediaPipeline.SpiderInfo + ) -> List[Request]: urls = ItemAdapter(item).get(self.files_urls_field, []) return [Request(u, callback=NO_CALLBACK) for u in urls] - def file_downloaded(self, response, request, info, *, item=None): + def file_downloaded( + self, + response: Response, + request: Request, + info: MediaPipeline.SpiderInfo, + *, + item: Any = None, + ) -> str: path = self.file_path(request, response=response, info=info, item=item) buf = BytesIO(response.body) checksum = _md5sum(buf) @@ -563,12 +678,21 @@ class FilesPipeline(MediaPipeline): self.store.persist_file(path, buf, info) return checksum - def item_completed(self, results, item, info): + def item_completed( + self, results: List[FileInfoOrError], item: Any, info: MediaPipeline.SpiderInfo + ) -> Any: with suppress(KeyError): ItemAdapter(item)[self.files_result_field] = [x for ok, x in results if ok] return item - def file_path(self, request, response=None, info=None, *, item=None): + def file_path( + self, + request: Request, + response: Optional[Response] = None, + info: Optional[MediaPipeline.SpiderInfo] = None, + *, + item: Any = None, + ) -> str: media_guid = hashlib.sha1(to_bytes(request.url)).hexdigest() # nosec media_ext = Path(request.url).suffix # Handles empty and wild extensions by trying to guess the @@ -577,5 +701,5 @@ class FilesPipeline(MediaPipeline): media_ext = "" media_type = mimetypes.guess_type(request.url)[0] if media_type: - media_ext = mimetypes.guess_extension(media_type) + media_ext = cast(str, mimetypes.guess_extension(media_type)) return f"full/{media_guid}{media_ext}" diff --git a/scrapy/pipelines/images.py b/scrapy/pipelines/images.py index e7ef06fb3..27a57b17c 100644 --- a/scrapy/pipelines/images.py +++ b/scrapy/pipelines/images.py @@ -12,12 +12,25 @@ import warnings from contextlib import suppress from io import BytesIO from os import PathLike -from typing import TYPE_CHECKING, Dict, Tuple, Type, Union, cast +from typing import ( + TYPE_CHECKING, + Any, + Callable, + Dict, + Iterable, + List, + Optional, + Tuple, + Type, + Union, + cast, +) from itemadapter import ItemAdapter +from scrapy import Spider from scrapy.exceptions import DropItem, NotConfigured, ScrapyDeprecationWarning -from scrapy.http import Request +from scrapy.http import Request, Response from scrapy.http.request import NO_CALLBACK from scrapy.pipelines.files import ( FileException, @@ -27,20 +40,20 @@ from scrapy.pipelines.files import ( S3FilesStore, _md5sum, ) - -# TODO: from scrapy.pipelines.media import MediaPipeline +from scrapy.pipelines.media import FileInfoOrError, MediaPipeline from scrapy.settings import Settings from scrapy.utils.python import get_func_args, to_bytes if TYPE_CHECKING: # typing.Self requires Python 3.11 + from PIL import Image from typing_extensions import Self class NoimagesDrop(DropItem): """Product with no images exception""" - def __init__(self, *args, **kwargs): + def __init__(self, *args: Any, **kwargs: Any): warnings.warn( "The NoimagesDrop class is deprecated", category=ScrapyDeprecationWarning, @@ -56,19 +69,22 @@ class ImageException(FileException): class ImagesPipeline(FilesPipeline): """Abstract pipeline that implement the image thumbnail generation logic""" - MEDIA_NAME = "image" + MEDIA_NAME: str = "image" # Uppercase attributes kept for backward compatibility with code that subclasses # ImagesPipeline. They may be overridden by settings. - MIN_WIDTH = 0 - MIN_HEIGHT = 0 - EXPIRES = 90 + MIN_WIDTH: int = 0 + MIN_HEIGHT: int = 0 + EXPIRES: int = 90 THUMBS: Dict[str, Tuple[int, int]] = {} DEFAULT_IMAGES_URLS_FIELD = "image_urls" DEFAULT_IMAGES_RESULT_FIELD = "images" def __init__( - self, store_uri: Union[str, PathLike], download_func=None, settings=None + self, + store_uri: Union[str, PathLike[str]], + download_func: Optional[Callable[[Request, Spider], Response]] = None, + settings: Union[Settings, Dict[str, Any], None] = None, ): try: from PIL import Image @@ -89,27 +105,33 @@ class ImagesPipeline(FilesPipeline): base_class_name="ImagesPipeline", settings=settings, ) - self.expires = settings.getint(resolve("IMAGES_EXPIRES"), self.EXPIRES) + self.expires: int = settings.getint(resolve("IMAGES_EXPIRES"), self.EXPIRES) if not hasattr(self, "IMAGES_RESULT_FIELD"): - self.IMAGES_RESULT_FIELD = self.DEFAULT_IMAGES_RESULT_FIELD + self.IMAGES_RESULT_FIELD: str = self.DEFAULT_IMAGES_RESULT_FIELD if not hasattr(self, "IMAGES_URLS_FIELD"): - self.IMAGES_URLS_FIELD = self.DEFAULT_IMAGES_URLS_FIELD + self.IMAGES_URLS_FIELD: str = self.DEFAULT_IMAGES_URLS_FIELD - self.images_urls_field = settings.get( + self.images_urls_field: str = settings.get( resolve("IMAGES_URLS_FIELD"), self.IMAGES_URLS_FIELD ) - self.images_result_field = settings.get( + self.images_result_field: str = settings.get( resolve("IMAGES_RESULT_FIELD"), self.IMAGES_RESULT_FIELD ) - self.min_width = settings.getint(resolve("IMAGES_MIN_WIDTH"), self.MIN_WIDTH) - self.min_height = settings.getint(resolve("IMAGES_MIN_HEIGHT"), self.MIN_HEIGHT) - self.thumbs = settings.get(resolve("IMAGES_THUMBS"), self.THUMBS) + self.min_width: int = settings.getint( + resolve("IMAGES_MIN_WIDTH"), self.MIN_WIDTH + ) + self.min_height: int = settings.getint( + resolve("IMAGES_MIN_HEIGHT"), self.MIN_HEIGHT + ) + self.thumbs: Dict[str, Tuple[int, int]] = settings.get( + resolve("IMAGES_THUMBS"), self.THUMBS + ) - self._deprecated_convert_image = None + self._deprecated_convert_image: Optional[bool] = None @classmethod - def from_settings(cls, settings) -> Self: + def from_settings(cls, settings: Settings) -> Self: s3store: Type[S3FilesStore] = cast(Type[S3FilesStore], cls.STORE_SCHEMES["s3"]) s3store.AWS_ACCESS_KEY_ID = settings["AWS_ACCESS_KEY_ID"] s3store.AWS_SECRET_ACCESS_KEY = settings["AWS_SECRET_ACCESS_KEY"] @@ -136,11 +158,25 @@ class ImagesPipeline(FilesPipeline): store_uri = settings["IMAGES_STORE"] return cls(store_uri, settings=settings) - def file_downloaded(self, response, request, info, *, item=None): + def file_downloaded( + self, + response: Response, + request: Request, + info: MediaPipeline.SpiderInfo, + *, + item: Any = None, + ) -> str: return self.image_downloaded(response, request, info, item=item) - def image_downloaded(self, response, request, info, *, item=None): - checksum = None + def image_downloaded( + self, + response: Response, + request: Request, + info: MediaPipeline.SpiderInfo, + *, + item: Any = None, + ) -> str: + checksum: Optional[str] = None for path, image, buf in self.get_images(response, request, info, item=item): if checksum is None: buf.seek(0) @@ -153,9 +189,17 @@ class ImagesPipeline(FilesPipeline): meta={"width": width, "height": height}, headers={"Content-Type": "image/jpeg"}, ) + assert checksum is not None return checksum - def get_images(self, response, request, info, *, item=None): + def get_images( + self, + response: Response, + request: Request, + info: MediaPipeline.SpiderInfo, + *, + item: Any = None, + ) -> Iterable[Tuple[str, Image.Image, BytesIO]]: path = self.file_path(request, response=response, info=info, item=item) orig_image = self._Image.open(BytesIO(response.body)) @@ -196,7 +240,12 @@ class ImagesPipeline(FilesPipeline): thumb_image, thumb_buf = self.convert_image(image, size, buf) yield thumb_path, thumb_image, thumb_buf - def convert_image(self, image, size=None, response_body=None): + def convert_image( + self, + image: Image.Image, + size: Optional[Tuple[int, int]] = None, + response_body: Optional[BytesIO] = None, + ) -> Tuple[Image.Image, BytesIO]: if response_body is None: warnings.warn( f"{self.__class__.__name__}.convert_image() method called in a deprecated way, " @@ -225,7 +274,7 @@ class ImagesPipeline(FilesPipeline): # when updating the minimum requirements for Pillow. resampling_filter = self._Image.Resampling.LANCZOS except AttributeError: - resampling_filter = self._Image.ANTIALIAS + resampling_filter = self._Image.ANTIALIAS # type: ignore[attr-defined] image.thumbnail(size, resampling_filter) elif response_body is not None and image.format == "JPEG": return image, response_body @@ -234,19 +283,38 @@ class ImagesPipeline(FilesPipeline): image.save(buf, "JPEG") return image, buf - def get_media_requests(self, item, info): + def get_media_requests( + self, item: Any, info: MediaPipeline.SpiderInfo + ) -> List[Request]: urls = ItemAdapter(item).get(self.images_urls_field, []) return [Request(u, callback=NO_CALLBACK) for u in urls] - def item_completed(self, results, item, info): + def item_completed( + self, results: List[FileInfoOrError], item: Any, info: MediaPipeline.SpiderInfo + ) -> Any: with suppress(KeyError): ItemAdapter(item)[self.images_result_field] = [x for ok, x in results if ok] return item - def file_path(self, request, response=None, info=None, *, item=None): + def file_path( + self, + request: Request, + response: Optional[Response] = None, + info: Optional[MediaPipeline.SpiderInfo] = None, + *, + item: Any = None, + ) -> str: image_guid = hashlib.sha1(to_bytes(request.url)).hexdigest() # nosec return f"full/{image_guid}.jpg" - def thumb_path(self, request, thumb_id, response=None, info=None, *, item=None): + def thumb_path( + self, + request: Request, + thumb_id: str, + response: Optional[Response] = None, + info: Optional[MediaPipeline.SpiderInfo] = None, + *, + item: Any = None, + ) -> str: thumb_guid = hashlib.sha1(to_bytes(request.url)).hexdigest() # nosec return f"thumbs/{thumb_id}/{thumb_guid}.jpg" diff --git a/scrapy/pipelines/media.py b/scrapy/pipelines/media.py index 0e374265e..3e327105e 100644 --- a/scrapy/pipelines/media.py +++ b/scrapy/pipelines/media.py @@ -4,54 +4,101 @@ import functools import logging from abc import ABC, abstractmethod from collections import defaultdict -from typing import TYPE_CHECKING +from typing import ( + TYPE_CHECKING, + Any, + Callable, + DefaultDict, + Dict, + List, + Literal, + NoReturn, + Optional, + Set, + Tuple, + TypedDict, + TypeVar, + Union, + cast, +) from twisted.internet.defer import Deferred, DeferredList from twisted.python.failure import Failure -from scrapy.http.request import NO_CALLBACK +from scrapy import Spider +from scrapy.crawler import Crawler +from scrapy.http import Response +from scrapy.http.request import NO_CALLBACK, Request from scrapy.settings import Settings from scrapy.utils.datatypes import SequenceExclude from scrapy.utils.defer import defer_result, mustbe_deferred from scrapy.utils.log import failure_to_exc_info from scrapy.utils.misc import arg_to_iter +from scrapy.utils.request import RequestFingerprinter if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self +_T = TypeVar("_T") + + +class FileInfo(TypedDict): + url: str + path: str + checksum: Optional[str] + status: str + + +FileInfoOrError = Union[Tuple[Literal[True], FileInfo], Tuple[Literal[False], Failure]] + logger = logging.getLogger(__name__) class MediaPipeline(ABC): - LOG_FAILED_RESULTS = True + crawler: Crawler + _fingerprinter: RequestFingerprinter + + LOG_FAILED_RESULTS: bool = True class SpiderInfo: - def __init__(self, spider): - self.spider = spider - self.downloading = set() - self.downloaded = {} - self.waiting = defaultdict(list) + def __init__(self, spider: Spider): + self.spider: Spider = spider + self.downloading: Set[bytes] = set() + self.downloaded: Dict[bytes, Union[FileInfo, Failure]] = {} + self.waiting: DefaultDict[bytes, List[Deferred[FileInfo]]] = defaultdict( + list + ) - def __init__(self, download_func=None, settings=None): + def __init__( + self, + download_func: Optional[Callable[[Request, Spider], Response]] = None, + settings: Union[Settings, Dict[str, Any], None] = None, + ): self.download_func = download_func - self._expects_item = {} if isinstance(settings, dict) or settings is None: settings = Settings(settings) resolve = functools.partial( self._key_for_pipe, base_class_name="MediaPipeline", settings=settings ) - self.allow_redirects = settings.getbool(resolve("MEDIA_ALLOW_REDIRECTS"), False) + self.allow_redirects: bool = settings.getbool( + resolve("MEDIA_ALLOW_REDIRECTS"), False + ) self._handle_statuses(self.allow_redirects) - def _handle_statuses(self, allow_redirects): + def _handle_statuses(self, allow_redirects: bool) -> None: self.handle_httpstatus_list = None if allow_redirects: self.handle_httpstatus_list = SequenceExclude(range(300, 400)) - def _key_for_pipe(self, key, base_class_name=None, settings=None): + def _key_for_pipe( + self, + key: str, + base_class_name: Optional[str] = None, + settings: Optional[Settings] = None, + ) -> str: class_name = self.__class__.__name__ formatted_key = f"{class_name.upper()}_{key}" if ( @@ -64,26 +111,34 @@ class MediaPipeline(ABC): return formatted_key @classmethod - def from_crawler(cls, crawler) -> Self: + def from_crawler(cls, crawler: Crawler) -> Self: + pipe: Self try: pipe = cls.from_settings(crawler.settings) # type: ignore[attr-defined] except AttributeError: pipe = cls() pipe.crawler = crawler + assert crawler.request_fingerprinter pipe._fingerprinter = crawler.request_fingerprinter return pipe - def open_spider(self, spider): + def open_spider(self, spider: Spider) -> None: self.spiderinfo = self.SpiderInfo(spider) - def process_item(self, item, spider): + def process_item( + self, item: Any, spider: Spider + ) -> Deferred[List[FileInfoOrError]]: info = self.spiderinfo requests = arg_to_iter(self.get_media_requests(item, info)) dlist = [self._process_request(r, info, item) for r in requests] - dfd = DeferredList(dlist, consumeErrors=True) + dfd = cast( + "Deferred[List[FileInfoOrError]]", DeferredList(dlist, consumeErrors=True) + ) return dfd.addCallback(self.item_completed, item, info) - def _process_request(self, request, info, item): + def _process_request( + self, request: Request, info: SpiderInfo, item: Any + ) -> Deferred[FileInfo]: fp = self._fingerprinter.fingerprint(request) eb = request.errback request.callback = NO_CALLBACK @@ -97,7 +152,7 @@ class MediaPipeline(ABC): return d # Otherwise, wait for result - wad = Deferred() + wad: Deferred[FileInfo] = Deferred() if eb: wad.addErrback(eb) info.waiting[fp].append(wad) @@ -108,36 +163,48 @@ class MediaPipeline(ABC): # Download request checking media_to_download hook output first info.downloading.add(fp) - dfd = mustbe_deferred(self.media_to_download, request, info, item=item) - dfd.addCallback(self._check_media_to_download, request, info, item=item) - dfd.addErrback(self._log_exception) - dfd.addBoth(self._cache_result_and_execute_waiters, fp, info) - return dfd.addBoth(lambda _: wad) # it must return wad at last + dfd: Deferred[Optional[FileInfo]] = mustbe_deferred( + self.media_to_download, request, info, item=item + ) + dfd2: Deferred[FileInfo] = dfd.addCallback( + self._check_media_to_download, request, info, item=item + ) + dfd2.addErrback(self._log_exception) + dfd2.addBoth(self._cache_result_and_execute_waiters, fp, info) + return dfd2.addBoth(lambda _: wad) # it must return wad at last - def _log_exception(self, result): + def _log_exception(self, result: Failure) -> Failure: logger.exception(result) return result - def _modify_media_request(self, request): + def _modify_media_request(self, request: Request) -> None: if self.handle_httpstatus_list: request.meta["handle_httpstatus_list"] = self.handle_httpstatus_list else: request.meta["handle_httpstatus_all"] = True - def _check_media_to_download(self, result, request, info, item): + def _check_media_to_download( + self, result: Optional[FileInfo], request: Request, info: SpiderInfo, item: Any + ) -> Union[FileInfo, Deferred[FileInfo]]: if result is not None: return result + dfd: Deferred[Response] if self.download_func: # this ugly code was left only to support tests. TODO: remove dfd = mustbe_deferred(self.download_func, request, info.spider) else: self._modify_media_request(request) + assert self.crawler.engine dfd = self.crawler.engine.download(request) - dfd.addCallback(self.media_downloaded, request, info, item=item) - dfd.addErrback(self.media_failed, request, info) - return dfd + dfd2: Deferred[FileInfo] = dfd.addCallback( + self.media_downloaded, request, info, item=item + ) + dfd2.addErrback(self.media_failed, request, info) + return dfd2 - def _cache_result_and_execute_waiters(self, result, fp, info): + def _cache_result_and_execute_waiters( + self, result: Union[FileInfo, Failure], fp: bytes, info: SpiderInfo + ) -> None: if isinstance(result, Failure): # minimize cached information for failure result.cleanFailure() @@ -176,30 +243,44 @@ class MediaPipeline(ABC): # Overridable Interface @abstractmethod - def media_to_download(self, request, info, *, item=None): + def media_to_download( + self, request: Request, info: SpiderInfo, *, item: Any = None + ) -> Deferred[Optional[FileInfo]]: """Check request before starting download""" raise NotImplementedError() @abstractmethod - def get_media_requests(self, item, info): + def get_media_requests(self, item: Any, info: SpiderInfo) -> List[Request]: """Returns the media requests to download""" raise NotImplementedError() @abstractmethod - def media_downloaded(self, response, request, info, *, item=None): + def media_downloaded( + self, + response: Response, + request: Request, + info: SpiderInfo, + *, + item: Any = None, + ) -> FileInfo: """Handler for success downloads""" raise NotImplementedError() @abstractmethod - def media_failed(self, failure, request, info): + def media_failed( + self, failure: Failure, request: Request, info: SpiderInfo + ) -> NoReturn: """Handler for failed downloads""" raise NotImplementedError() - def item_completed(self, results, item, info): + def item_completed( + self, results: List[FileInfoOrError], item: Any, info: SpiderInfo + ) -> Any: """Called per item when all media requests has been processed""" if self.LOG_FAILED_RESULTS: for ok, value in results: if not ok: + assert isinstance(value, Failure) logger.error( "%(class)s found errors processing %(item)s", {"class": self.__class__.__name__, "item": item}, @@ -209,6 +290,13 @@ class MediaPipeline(ABC): return item @abstractmethod - def file_path(self, request, response=None, info=None, *, item=None): + def file_path( + self, + request: Request, + response: Optional[Response] = None, + info: Optional[SpiderInfo] = None, + *, + item: Any = None, + ) -> str: """Returns the path where downloaded media should be stored""" raise NotImplementedError() From 3f76853bd27d84f53ebaaa97cb819e8a29195a89 Mon Sep 17 00:00:00 2001 From: Suvan Banerjee Date: Wed, 5 Jun 2024 10:04:46 +0530 Subject: [PATCH 215/786] Handle AttributeError: 'NoneType' in contract parsing (#6388) --- scrapy/contracts/__init__.py | 3 ++- tests/test_contracts.py | 28 ++++++++++++++++++++++++++++ 2 files changed, 30 insertions(+), 1 deletion(-) diff --git a/scrapy/contracts/__init__.py b/scrapy/contracts/__init__.py index b300b8457..27bc2fcba 100644 --- a/scrapy/contracts/__init__.py +++ b/scrapy/contracts/__init__.py @@ -120,7 +120,8 @@ class ContractsManager: if line.startswith("@"): m = re.match(r"@(\w+)\s*(.*)", line) - assert m is not None + if m is None: + continue name, args = m.groups() args = re.split(r"\s+", args) diff --git a/tests/test_contracts.py b/tests/test_contracts.py index 1459e0b5f..c9c12f0d8 100644 --- a/tests/test_contracts.py +++ b/tests/test_contracts.py @@ -182,6 +182,19 @@ class TestSpider(Spider): """ pass + def invalid_regex(self, response): + """method with invalid regex + @ Scrapy is awsome + """ + pass + + def invalid_regex_with_valid_contract(self, response): + """method with invalid regex + @ scrapy is awsome + @url http://scrapy.org + """ + pass + class CustomContractSuccessSpider(Spider): name = "custom_contract_success_spider" @@ -385,6 +398,21 @@ class ContractsManagerTest(unittest.TestCase): message = "ContractFail: Missing fields: name, url" assert message in self.results.failures[-1][-1] + def test_regex(self): + spider = TestSpider() + response = ResponseMock() + + # invalid regex + request = self.conman.from_method(spider.invalid_regex, self.results) + self.should_succeed() + + # invalid regex with valid contract + request = self.conman.from_method( + spider.invalid_regex_with_valid_contract, self.results + ) + self.should_succeed() + request.callback(response) + def test_custom_contracts(self): self.conman.from_spider(CustomContractSuccessSpider(), self.results) self.should_succeed() From 2e214210f6707181a863dbceabf2d34e767396cb Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Sun, 2 Jun 2024 01:48:37 +0500 Subject: [PATCH 216/786] Add parameters to iterable generics, replace generators with iterables. --- scrapy/commands/parse.py | 8 ++-- scrapy/core/engine.py | 5 ++- scrapy/core/scraper.py | 6 ++- scrapy/core/spidermw.py | 70 ++++++++++++++++++++------------ scrapy/http/response/__init__.py | 3 +- scrapy/http/response/text.py | 3 +- scrapy/utils/iterators.py | 28 ++++++------- scrapy/utils/misc.py | 6 +-- scrapy/utils/python.py | 32 +++++++-------- scrapy/utils/request.py | 5 +-- scrapy/utils/sitemap.py | 4 +- scrapy/utils/spider.py | 13 +++--- tests/test_commands.py | 4 +- 13 files changed, 103 insertions(+), 84 deletions(-) diff --git a/scrapy/commands/parse.py b/scrapy/commands/parse.py index 2453c0d39..f916a3e75 100644 --- a/scrapy/commands/parse.py +++ b/scrapy/commands/parse.py @@ -140,13 +140,13 @@ class Command(BaseRunSpiderCommand): @overload def iterate_spider_output( - self, result: Union[AsyncGenerator, CoroutineType] - ) -> Deferred: ... + self, result: Union[AsyncGenerator[_T, None], CoroutineType[Any, Any, _T]] + ) -> Deferred[_T]: ... @overload - def iterate_spider_output(self, result: _T) -> Iterable: ... + def iterate_spider_output(self, result: _T) -> Iterable[Any]: ... - def iterate_spider_output(self, result: Any) -> Union[Iterable, Deferred]: + def iterate_spider_output(self, result: Any) -> Union[Iterable[Any], Deferred]: if inspect.isasyncgen(result): d = deferred_from_coro( collect_asyncgen(aiter_errback(result, self.handle_exception)) diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index b342ad7a3..dededf99d 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -372,7 +372,10 @@ class ExecutionEngine: @inlineCallbacks def open_spider( - self, spider: Spider, start_requests: Iterable = (), close_if_idle: bool = True + self, + spider: Spider, + start_requests: Iterable[Request] = (), + close_if_idle: bool = True, ) -> Generator[Deferred, Any, None]: if self.slot is not None: raise RuntimeError(f"No free spider slot when opening {spider.name!r}") diff --git a/scrapy/core/scraper.py b/scrapy/core/scraper.py index 566e6628b..3b7492838 100644 --- a/scrapy/core/scraper.py +++ b/scrapy/core/scraper.py @@ -16,6 +16,7 @@ from typing import ( Set, Tuple, Type, + TypeVar, Union, cast, ) @@ -47,6 +48,7 @@ if TYPE_CHECKING: from scrapy.crawler import Crawler +_T = TypeVar("_T") QueueTuple = Tuple[Union[Response, Failure], Request, Deferred] @@ -256,14 +258,14 @@ class Scraper: def handle_spider_output( self, - result: Union[Iterable, AsyncIterable], + result: Union[Iterable[_T], AsyncIterable[_T]], request: Request, response: Response, spider: Spider, ) -> Deferred: if not result: return defer_succeed(None) - it: Union[Iterable, AsyncIterable] + it: Union[Iterable[_T], AsyncIterable[_T]] if isinstance(result, AsyncIterable): it = aiter_errback( result, self.handle_spider_error, request, response, spider diff --git a/scrapy/core/spidermw.py b/scrapy/core/spidermw.py index 2cef2e1dd..cb1a93a68 100644 --- a/scrapy/core/spidermw.py +++ b/scrapy/core/spidermw.py @@ -9,7 +9,6 @@ from inspect import isasyncgenfunction, iscoroutine from itertools import islice from typing import ( Any, - AsyncGenerator, AsyncIterable, Callable, Generator, @@ -17,6 +16,7 @@ from typing import ( List, Optional, Tuple, + TypeVar, Union, cast, ) @@ -42,6 +42,7 @@ from scrapy.utils.python import MutableAsyncChain, MutableChain logger = logging.getLogger(__name__) +_T = TypeVar("_T") ScrapeFunc = Callable[[Union[Response, Failure], Request, Spider], Any] @@ -98,31 +99,39 @@ class SpiderMiddlewareManager(MiddlewareManager): self, response: Response, spider: Spider, - iterable: Union[Iterable, AsyncIterable], + iterable: Union[Iterable[_T], AsyncIterable[_T]], exception_processor_index: int, - recover_to: Union[MutableChain, MutableAsyncChain], - ) -> Union[Generator, AsyncGenerator]: - def process_sync(iterable: Iterable) -> Generator: + recover_to: Union[MutableChain[_T], MutableAsyncChain[_T]], + ) -> Union[Iterable[_T], AsyncIterable[_T]]: + def process_sync(iterable: Iterable[_T]) -> Iterable[_T]: try: yield from iterable except Exception as ex: - exception_result = self._process_spider_exception( - response, spider, Failure(ex), exception_processor_index + exception_result = cast( + Union[Failure, MutableChain[_T]], + self._process_spider_exception( + response, spider, Failure(ex), exception_processor_index + ), ) if isinstance(exception_result, Failure): raise + assert isinstance(recover_to, MutableChain) recover_to.extend(exception_result) - async def process_async(iterable: AsyncIterable) -> AsyncGenerator: + async def process_async(iterable: AsyncIterable[_T]) -> AsyncIterable[_T]: try: async for r in iterable: yield r except Exception as ex: - exception_result = self._process_spider_exception( - response, spider, Failure(ex), exception_processor_index + exception_result = cast( + Union[Failure, MutableAsyncChain[_T]], + self._process_spider_exception( + response, spider, Failure(ex), exception_processor_index + ), ) if isinstance(exception_result, Failure): raise + assert isinstance(recover_to, MutableAsyncChain) recover_to.extend(exception_result) if isinstance(iterable, AsyncIterable): @@ -135,7 +144,7 @@ class SpiderMiddlewareManager(MiddlewareManager): spider: Spider, _failure: Failure, start_index: int = 0, - ) -> Union[Failure, MutableChain]: + ) -> Union[Failure, MutableChain[_T], MutableAsyncChain[_T]]: exception = _failure.value # don't handle _InvalidOutput exception if isinstance(exception, _InvalidOutput): @@ -151,14 +160,18 @@ class SpiderMiddlewareManager(MiddlewareManager): if _isiterable(result): # stop exception handling by handing control over to the # process_spider_output chain if an iterable has been returned - dfd: Deferred = self._process_spider_output( - response, spider, result, method_index + 1 + dfd: Deferred[Union[MutableChain[_T], MutableAsyncChain[_T]]] = ( + self._process_spider_output( + response, spider, result, method_index + 1 + ) ) # _process_spider_output() returns a Deferred only because of downgrading so this can be # simplified when downgrading is removed. if dfd.called: # the result is available immediately if _process_spider_output didn't do downgrading - return cast(MutableChain, dfd.result) + return cast( + Union[MutableChain[_T], MutableAsyncChain[_T]], dfd.result + ) # we forbid waiting here because otherwise we would need to return a deferred from # _process_spider_exception too, which complicates the architecture msg = f"Async iterable returned from {method.__qualname__} cannot be downgraded" @@ -181,12 +194,12 @@ class SpiderMiddlewareManager(MiddlewareManager): self, response: Response, spider: Spider, - result: Union[Iterable, AsyncIterable], + result: Union[Iterable[_T], AsyncIterable[_T]], start_index: int = 0, - ) -> Generator[Deferred, Any, Union[MutableChain, MutableAsyncChain]]: + ) -> Generator[Deferred[Any], Any, Union[MutableChain[_T], MutableAsyncChain[_T]]]: # items in this iterable do not need to go through the process_spider_output # chain, they went through it already from the process_spider_exception method - recovered: Union[MutableChain, MutableAsyncChain] + recovered: Union[MutableChain[_T], MutableAsyncChain[_T]] last_result_is_async = isinstance(result, AsyncIterable) if last_result_is_async: recovered = MutableAsyncChain() @@ -237,7 +250,9 @@ class SpiderMiddlewareManager(MiddlewareManager): # might fail directly if the output value is not a generator result = method(response=response, result=result, spider=spider) except Exception as ex: - exception_result = self._process_spider_exception( + exception_result: Union[ + Failure, MutableChain[_T], MutableAsyncChain[_T] + ] = self._process_spider_exception( response, spider, Failure(ex), method_index + 1 ) if isinstance(exception_result, Failure): @@ -267,9 +282,12 @@ class SpiderMiddlewareManager(MiddlewareManager): return MutableChain(result, recovered) # type: ignore[arg-type] async def _process_callback_output( - self, response: Response, spider: Spider, result: Union[Iterable, AsyncIterable] - ) -> Union[MutableChain, MutableAsyncChain]: - recovered: Union[MutableChain, MutableAsyncChain] + self, + response: Response, + spider: Spider, + result: Union[Iterable[_T], AsyncIterable[_T]], + ) -> Union[MutableChain[_T], MutableAsyncChain[_T]]: + recovered: Union[MutableChain[_T], MutableAsyncChain[_T]] if isinstance(result, AsyncIterable): recovered = MutableAsyncChain() else: @@ -293,14 +311,16 @@ class SpiderMiddlewareManager(MiddlewareManager): spider: Spider, ) -> Deferred: async def process_callback_output( - result: Union[Iterable, AsyncIterable] - ) -> Union[MutableChain, MutableAsyncChain]: + result: Union[Iterable[_T], AsyncIterable[_T]] + ) -> Union[MutableChain[_T], MutableAsyncChain[_T]]: return await self._process_callback_output(response, spider, result) - def process_spider_exception(_failure: Failure) -> Union[Failure, MutableChain]: + def process_spider_exception( + _failure: Failure, + ) -> Union[Failure, MutableChain[_T], MutableAsyncChain[_T]]: return self._process_spider_exception(response, spider, _failure) - dfd = mustbe_deferred( + dfd: Deferred = mustbe_deferred( self._process_spider_input, scrape_func, response, request, spider ) dfd.addCallback(deferred_f_from_coro_f(process_callback_output)) diff --git a/scrapy/http/response/__init__.py b/scrapy/http/response/__init__.py index 166c4de97..daf193f59 100644 --- a/scrapy/http/response/__init__.py +++ b/scrapy/http/response/__init__.py @@ -14,7 +14,6 @@ from typing import ( AnyStr, Callable, Dict, - Generator, Iterable, List, Mapping, @@ -242,7 +241,7 @@ class Response(object_ref): errback: Optional[Callable] = None, cb_kwargs: Optional[Dict[str, Any]] = None, flags: Optional[List[str]] = None, - ) -> Generator[Request, None, None]: + ) -> Iterable[Request]: """ .. versionadded:: 2.0 diff --git a/scrapy/http/response/text.py b/scrapy/http/response/text.py index 44c36b682..df4d90829 100644 --- a/scrapy/http/response/text.py +++ b/scrapy/http/response/text.py @@ -15,7 +15,6 @@ from typing import ( AnyStr, Callable, Dict, - Generator, Iterable, List, Mapping, @@ -246,7 +245,7 @@ class TextResponse(Response): flags: Optional[List[str]] = None, css: Optional[str] = None, xpath: Optional[str] = None, - ) -> Generator[Request, None, None]: + ) -> Iterable[Request]: """ A generator that produces :class:`~.Request` instances to follow all links in ``urls``. It accepts the same arguments as the :class:`~.Request`'s diff --git a/scrapy/utils/iterators.py b/scrapy/utils/iterators.py index cd6e9d04e..41a842386 100644 --- a/scrapy/utils/iterators.py +++ b/scrapy/utils/iterators.py @@ -6,8 +6,7 @@ from typing import ( Any, Callable, Dict, - Generator, - Iterable, + Iterator, List, Literal, Optional, @@ -22,14 +21,12 @@ from lxml import etree # nosec from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.http import Response, TextResponse from scrapy.selector import Selector -from scrapy.utils.python import re_rsearch, to_unicode +from scrapy.utils.python import re_rsearch logger = logging.getLogger(__name__) -def xmliter( - obj: Union[Response, str, bytes], nodename: str -) -> Generator[Selector, Any, None]: +def xmliter(obj: Union[Response, str, bytes], nodename: str) -> Iterator[Selector]: """Return a iterator of Selector's over all nodes of a XML document, given the name of the node to iterate. Useful for parsing XML feeds. @@ -90,7 +87,7 @@ def xmliter_lxml( nodename: str, namespace: Optional[str] = None, prefix: str = "x", -) -> Generator[Selector, Any, None]: +) -> Iterator[Selector]: reader = _StreamReader(obj) tag = f"{{{namespace}}}{nodename}" if namespace else nodename iterable = etree.iterparse( @@ -168,7 +165,7 @@ def csviter( headers: Optional[List[str]] = None, encoding: Optional[str] = None, quotechar: Optional[str] = None, -) -> Generator[Dict[str, str], Any, None]: +) -> Iterator[Dict[str, str]]: """Returns an iterator of dictionaries from the given csv object obj can be: @@ -184,10 +181,13 @@ def csviter( quotechar is the character used to enclosure fields on the given obj. """ - encoding = obj.encoding if isinstance(obj, TextResponse) else encoding or "utf-8" - - def row_to_unicode(row_: Iterable) -> List[str]: - return [to_unicode(field, encoding) for field in row_] + if encoding is not None: + warn( + "The encoding argument of csviter() is ignored and will be removed" + " in a future Scrapy version.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) lines = StringIO(_body_or_str(obj, unicode=True)) @@ -200,13 +200,11 @@ def csviter( if not headers: try: - row = next(csv_r) + headers = next(csv_r) except StopIteration: return - headers = row_to_unicode(row) for row in csv_r: - row = row_to_unicode(row) if len(row) != len(headers): logger.warning( "ignoring row %(csvlnum)d (length: %(csvrow)d, " diff --git a/scrapy/utils/misc.py b/scrapy/utils/misc.py index 49f36de2d..3d11c1035 100644 --- a/scrapy/utils/misc.py +++ b/scrapy/utils/misc.py @@ -20,8 +20,8 @@ from typing import ( Any, Callable, Deque, - Generator, Iterable, + Iterator, List, Optional, Type, @@ -227,7 +227,7 @@ def build_from_settings( @contextmanager -def set_environ(**kwargs: str) -> Generator[None, Any, None]: +def set_environ(**kwargs: str) -> Iterator[None]: """Temporarily set environment variables inside the context manager and fully restore previous environment afterwards """ @@ -244,7 +244,7 @@ def set_environ(**kwargs: str) -> Generator[None, Any, None]: os.environ[k] = v -def walk_callable(node: ast.AST) -> Generator[ast.AST, Any, None]: +def walk_callable(node: ast.AST) -> Iterable[ast.AST]: """Similar to ``ast.walk``, but walks only function body and skips nested functions defined within the node. """ diff --git a/scrapy/utils/python.py b/scrapy/utils/python.py index 37a84a350..059d8e04d 100644 --- a/scrapy/utils/python.py +++ b/scrapy/utils/python.py @@ -15,12 +15,10 @@ from itertools import chain from typing import ( TYPE_CHECKING, Any, - AsyncGenerator, AsyncIterable, AsyncIterator, Callable, Dict, - Generator, Iterable, Iterator, List, @@ -163,7 +161,7 @@ def re_rsearch( the start position of the match, and the ending (regarding the entire text). """ - def _chunk_iter() -> Generator[Tuple[str, int], Any, None]: + def _chunk_iter() -> Iterable[Tuple[str, int]]: offset = len(text) while True: offset -= chunk_size * 1024 @@ -351,43 +349,45 @@ else: gc.collect() -class MutableChain(Iterable): +class MutableChain(Iterable[_T]): """ Thin wrapper around itertools.chain, allowing to add iterables "in-place" """ - def __init__(self, *args: Iterable): - self.data = chain.from_iterable(args) + def __init__(self, *args: Iterable[_T]): + self.data: Iterator[_T] = chain.from_iterable(args) - def extend(self, *iterables: Iterable) -> None: + def extend(self, *iterables: Iterable[_T]) -> None: self.data = chain(self.data, chain.from_iterable(iterables)) - def __iter__(self) -> Iterator: + def __iter__(self) -> Iterator[_T]: return self - def __next__(self) -> Any: + def __next__(self) -> _T: return next(self.data) -async def _async_chain(*iterables: Union[Iterable, AsyncIterable]) -> AsyncGenerator: +async def _async_chain( + *iterables: Union[Iterable[_T], AsyncIterable[_T]] +) -> AsyncIterator[_T]: for it in iterables: async for o in as_async_generator(it): yield o -class MutableAsyncChain(AsyncIterable): +class MutableAsyncChain(AsyncIterable[_T]): """ Similar to MutableChain but for async iterables """ - def __init__(self, *args: Union[Iterable, AsyncIterable]): - self.data = _async_chain(*args) + def __init__(self, *args: Union[Iterable[_T], AsyncIterable[_T]]): + self.data: AsyncIterator[_T] = _async_chain(*args) - def extend(self, *iterables: Union[Iterable, AsyncIterable]) -> None: + def extend(self, *iterables: Union[Iterable[_T], AsyncIterable[_T]]) -> None: self.data = _async_chain(self.data, _async_chain(*iterables)) - def __aiter__(self) -> AsyncIterator: + def __aiter__(self) -> AsyncIterator[_T]: return self - async def __anext__(self) -> Any: + async def __anext__(self) -> _T: return await self.data.__anext__() diff --git a/scrapy/utils/request.py b/scrapy/utils/request.py index 42a6537a8..45b8008f4 100644 --- a/scrapy/utils/request.py +++ b/scrapy/utils/request.py @@ -12,7 +12,6 @@ from typing import ( TYPE_CHECKING, Any, Dict, - Generator, Iterable, List, Optional, @@ -40,9 +39,7 @@ if TYPE_CHECKING: from scrapy.crawler import Crawler -def _serialize_headers( - headers: Iterable[bytes], request: Request -) -> Generator[bytes, Any, None]: +def _serialize_headers(headers: Iterable[bytes], request: Request) -> Iterable[bytes]: for header in headers: if header in request.headers: yield header diff --git a/scrapy/utils/sitemap.py b/scrapy/utils/sitemap.py index cf429043d..7a91afe59 100644 --- a/scrapy/utils/sitemap.py +++ b/scrapy/utils/sitemap.py @@ -5,7 +5,7 @@ Note: The main purpose of this module is to provide support for the SitemapSpider, its API is subject to change without notice. """ -from typing import Any, Dict, Generator, Iterator, Optional, Union +from typing import Any, Dict, Iterable, Iterator, Optional, Union from urllib.parse import urljoin import lxml.etree # nosec @@ -42,7 +42,7 @@ class Sitemap: def sitemap_urls_from_robots( robots_text: str, base_url: Optional[str] = None -) -> Generator[str, Any, None]: +) -> Iterable[str]: """Return an iterator over all sitemap urls contained in the given robots.txt file """ diff --git a/scrapy/utils/spider.py b/scrapy/utils/spider.py index cbbb01d85..b05135c04 100644 --- a/scrapy/utils/spider.py +++ b/scrapy/utils/spider.py @@ -7,7 +7,6 @@ from typing import ( TYPE_CHECKING, Any, AsyncGenerator, - Generator, Iterable, Literal, Optional, @@ -34,18 +33,20 @@ _T = TypeVar("_T") # https://stackoverflow.com/questions/60222982 @overload -def iterate_spider_output(result: AsyncGenerator) -> AsyncGenerator: ... # type: ignore[overload-overlap] +def iterate_spider_output(result: AsyncGenerator[_T, None]) -> AsyncGenerator[_T, None]: ... # type: ignore[overload-overlap] @overload -def iterate_spider_output(result: CoroutineType) -> Deferred: ... +def iterate_spider_output(result: CoroutineType[Any, Any, _T]) -> Deferred[_T]: ... @overload -def iterate_spider_output(result: _T) -> Iterable: ... +def iterate_spider_output(result: _T) -> Iterable[Any]: ... -def iterate_spider_output(result: Any) -> Union[Iterable, AsyncGenerator, Deferred]: +def iterate_spider_output( + result: Any, +) -> Union[Iterable[Any], AsyncGenerator[_T, None], Deferred[_T]]: if inspect.isasyncgen(result): return result if inspect.iscoroutine(result): @@ -55,7 +56,7 @@ def iterate_spider_output(result: Any) -> Union[Iterable, AsyncGenerator, Deferr return arg_to_iter(deferred_from_coro(result)) -def iter_spider_classes(module: ModuleType) -> Generator[Type[Spider], Any, None]: +def iter_spider_classes(module: ModuleType) -> Iterable[Type[Spider]]: """Return an iterator over all spider classes defined in the given module that can be instantiated (i.e. which have name) """ diff --git a/tests/test_commands.py b/tests/test_commands.py index b9d468c66..857a56b73 100644 --- a/tests/test_commands.py +++ b/tests/test_commands.py @@ -13,7 +13,7 @@ from shutil import copytree, rmtree from stat import S_IWRITE as ANYONE_WRITE_PERMISSION from tempfile import TemporaryFile, mkdtemp from threading import Timer -from typing import Dict, Generator, Optional, Union +from typing import Dict, Iterator, Optional, Union from unittest import skipIf from pytest import mark @@ -674,7 +674,7 @@ class BadSpider(scrapy.Spider): """ @contextmanager - def _create_file(self, content, name=None) -> Generator[str, None, None]: + def _create_file(self, content, name=None) -> Iterator[str]: tmpdir = Path(self.mktemp()) tmpdir.mkdir() if name: From de146ad7cef9e3478290be021129979f69fc6d03 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 5 Jun 2024 22:09:19 +0500 Subject: [PATCH 217/786] Bump typing deps. --- scrapy/extensions/httpcache.py | 5 ++--- scrapy/http/headers.py | 3 +-- tox.ini | 9 ++++----- 3 files changed, 7 insertions(+), 10 deletions(-) diff --git a/scrapy/extensions/httpcache.py b/scrapy/extensions/httpcache.py index 3f4af42b7..b7219bf07 100644 --- a/scrapy/extensions/httpcache.py +++ b/scrapy/extensions/httpcache.py @@ -370,12 +370,11 @@ class FilesystemCacheStorage: with self._open(rpath / "pickled_meta", "wb") as f: pickle.dump(metadata, f, protocol=4) with self._open(rpath / "response_headers", "wb") as f: - # headers_dict_to_raw() needs a better type hint - f.write(cast(bytes, headers_dict_to_raw(response.headers))) + f.write(headers_dict_to_raw(response.headers)) with self._open(rpath / "response_body", "wb") as f: f.write(response.body) with self._open(rpath / "request_headers", "wb") as f: - f.write(cast(bytes, headers_dict_to_raw(request.headers))) + f.write(headers_dict_to_raw(request.headers)) with self._open(rpath / "request_body", "wb") as f: f.write(request.body) diff --git a/scrapy/http/headers.py b/scrapy/http/headers.py index 73aee7178..85b9229d3 100644 --- a/scrapy/http/headers.py +++ b/scrapy/http/headers.py @@ -118,8 +118,7 @@ class Headers(CaselessDict): ] def to_string(self) -> bytes: - # cast() can be removed if the headers_dict_to_raw() hint is improved - return cast(bytes, headers_dict_to_raw(self)) + return headers_dict_to_raw(self) def to_unicode_dict(self) -> CaseInsensitiveDict: """Return headers as a CaseInsensitiveDict with str keys diff --git a/tox.ini b/tox.ini index 5a5e80496..023a86c5a 100644 --- a/tox.ini +++ b/tox.ini @@ -47,18 +47,17 @@ install_command = basepython = python3 deps = mypy==1.10.0 - typing-extensions==4.11.0 + typing-extensions==4.12.1 types-lxml==2024.4.14 types-Pygments==2.18.0.20240506 types-pyOpenSSL==24.1.0.20240425 - types-setuptools==69.5.0.20240518 + types-setuptools==70.0.0.20240524 botocore-stubs==1.34.94 - boto3-stubs[s3]==1.34.108 + boto3-stubs[s3]==1.34.119 attrs >= 18.2.0 Pillow >= 10.3.0 pytest >= 8.2.0 - # 2.1.2 fixes a typing bug: https://github.com/scrapy/w3lib/pull/211 - w3lib >= 2.1.2 + w3lib >= 2.2.0 commands = mypy {posargs: scrapy tests} From 262c10d85bd34732b0c692bdc8d16375d83a178f Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 5 Jun 2024 22:11:34 +0500 Subject: [PATCH 218/786] Use typing.Coroutine instead of types.CoroutineType. --- scrapy/commands/parse.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/scrapy/commands/parse.py b/scrapy/commands/parse.py index f916a3e75..ce6f4dc51 100644 --- a/scrapy/commands/parse.py +++ b/scrapy/commands/parse.py @@ -3,11 +3,11 @@ import functools import inspect import json import logging -from types import CoroutineType from typing import ( Any, AsyncGenerator, Callable, + Coroutine, Dict, Iterable, List, @@ -140,7 +140,7 @@ class Command(BaseRunSpiderCommand): @overload def iterate_spider_output( - self, result: Union[AsyncGenerator[_T, None], CoroutineType[Any, Any, _T]] + self, result: Union[AsyncGenerator[_T, None], Coroutine[Any, Any, _T]] ) -> Deferred[_T]: ... @overload From 480a11b68bee19162cc0da59e9bed42b29bc9cfe Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 5 Jun 2024 22:48:16 +0500 Subject: [PATCH 219/786] Add mssing __future__ imports. --- scrapy/commands/parse.py | 2 ++ scrapy/core/spidermw.py | 2 ++ 2 files changed, 4 insertions(+) diff --git a/scrapy/commands/parse.py b/scrapy/commands/parse.py index ce6f4dc51..3320a1ee4 100644 --- a/scrapy/commands/parse.py +++ b/scrapy/commands/parse.py @@ -1,3 +1,5 @@ +from __future__ import annotations + import argparse import functools import inspect diff --git a/scrapy/core/spidermw.py b/scrapy/core/spidermw.py index cb1a93a68..58873f0d9 100644 --- a/scrapy/core/spidermw.py +++ b/scrapy/core/spidermw.py @@ -4,6 +4,8 @@ Spider Middleware manager See documentation in docs/topics/spider-middleware.rst """ +from __future__ import annotations + import logging from inspect import isasyncgenfunction, iscoroutine from itertools import islice From feb0b8f7dcb78c3df012085f00b992a7fac81f7a Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 5 Jun 2024 22:57:18 +0500 Subject: [PATCH 220/786] Add pyupgrade. --- .pre-commit-config.yaml | 6 ++ scrapy/core/downloader/contextfactory.py | 8 +-- scrapy/downloadermiddlewares/retry.py | 4 +- scrapy/extensions/debug.py | 2 +- scrapy/http/request/__init__.py | 6 +- scrapy/http/request/rpc.py | 2 +- scrapy/settings/__init__.py | 6 +- scrapy/utils/benchserver.py | 4 +- scrapy/utils/request.py | 6 +- tests/mockserver.py | 6 +- tests/test_downloadermiddleware_cookies.py | 4 +- tests/test_downloadermiddleware_redirect.py | 2 +- tests/test_downloadermiddleware_robotstxt.py | 4 +- tests/test_feedexport.py | 58 ++++++++++---------- tests/test_http_response.py | 4 +- tests/test_pipeline_crawl.py | 4 +- tests/test_pipeline_images.py | 2 +- tests/test_responsetypes.py | 2 +- tests/test_robotstxt_interface.py | 30 ++++------ 19 files changed, 74 insertions(+), 86 deletions(-) diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml index a911d4cfe..f76a04ca1 100644 --- a/.pre-commit-config.yaml +++ b/.pre-commit-config.yaml @@ -22,3 +22,9 @@ repos: - id: blacken-docs additional_dependencies: - black==24.2.0 +- repo: https://github.com/asottile/pyupgrade + rev: v3.15.2 + hooks: + - id: pyupgrade + args: [--py38-plus, --keep-runtime-typing] + exclude: scrapy/__init__.py diff --git a/scrapy/core/downloader/contextfactory.py b/scrapy/core/downloader/contextfactory.py index 0e77cd2fe..9f6edb630 100644 --- a/scrapy/core/downloader/contextfactory.py +++ b/scrapy/core/downloader/contextfactory.py @@ -107,7 +107,7 @@ class ScrapyClientContextFactory(BrowserLikePolicyForHTTPS): ctx.set_options(0x4) # OP_LEGACY_SERVER_CONNECT return ctx - def creatorForNetloc(self, hostname: bytes, port: int) -> "ClientTLSOptions": + def creatorForNetloc(self, hostname: bytes, port: int) -> ClientTLSOptions: return ScrapyClientTLSOptions( hostname.decode("ascii"), self.getContext(), @@ -134,7 +134,7 @@ class BrowserLikeContextFactory(ScrapyClientContextFactory): ``SSLv23_METHOD``) which allows TLS protocol negotiation. """ - def creatorForNetloc(self, hostname: bytes, port: int) -> "ClientTLSOptions": + def creatorForNetloc(self, hostname: bytes, port: int) -> ClientTLSOptions: # trustRoot set to platformTrust() will use the platform's root CAs. # # This means that a website like https://www.cacert.org will be rejected @@ -158,8 +158,8 @@ class AcceptableProtocolsContextFactory: self._wrapped_context_factory: Any = context_factory self._acceptable_protocols: List[bytes] = acceptable_protocols - def creatorForNetloc(self, hostname: bytes, port: int) -> "ClientTLSOptions": - options: "ClientTLSOptions" = self._wrapped_context_factory.creatorForNetloc( + def creatorForNetloc(self, hostname: bytes, port: int) -> ClientTLSOptions: + options: ClientTLSOptions = self._wrapped_context_factory.creatorForNetloc( hostname, port ) _setAcceptableProtocols(options._ctx, self._acceptable_protocols) diff --git a/scrapy/downloadermiddlewares/retry.py b/scrapy/downloadermiddlewares/retry.py index 46587a898..0637f09d4 100644 --- a/scrapy/downloadermiddlewares/retry.py +++ b/scrapy/downloadermiddlewares/retry.py @@ -147,9 +147,7 @@ class RetryMiddleware(metaclass=BackwardsCompatibilityMetaclass): if not settings.getbool("RETRY_ENABLED"): raise NotConfigured self.max_retry_times = settings.getint("RETRY_TIMES") - self.retry_http_codes = set( - int(x) for x in settings.getlist("RETRY_HTTP_CODES") - ) + self.retry_http_codes = {int(x) for x in settings.getlist("RETRY_HTTP_CODES")} self.priority_adjust = settings.getint("RETRY_PRIORITY_ADJUST") try: diff --git a/scrapy/extensions/debug.py b/scrapy/extensions/debug.py index 26726b662..a0fc7b99f 100644 --- a/scrapy/extensions/debug.py +++ b/scrapy/extensions/debug.py @@ -55,7 +55,7 @@ class StackTraceDump: ) def _thread_stacks(self) -> str: - id2name = dict((th.ident, th.name) for th in threading.enumerate()) + id2name = {th.ident: th.name for th in threading.enumerate()} dumps = "" for id_, frame in sys._current_frames().items(): name = id2name.get(id_, "") diff --git a/scrapy/http/request/__init__.py b/scrapy/http/request/__init__.py index 77149333c..3da2e111d 100644 --- a/scrapy/http/request/__init__.py +++ b/scrapy/http/request/__init__.py @@ -189,10 +189,10 @@ class Request(object_ref): def __repr__(self) -> str: return f"<{self.method} {self.url}>" - def copy(self) -> "Request": + def copy(self) -> Request: return self.replace() - def replace(self, *args: Any, **kwargs: Any) -> "Request": + def replace(self, *args: Any, **kwargs: Any) -> Request: """Create a new Request with the same attributes except for those given new values""" for x in self.attributes: kwargs.setdefault(x, getattr(self, x)) @@ -237,7 +237,7 @@ class Request(object_ref): request_kwargs.update(kwargs) return cls(**request_kwargs) - def to_dict(self, *, spider: Optional["scrapy.Spider"] = None) -> Dict[str, Any]: + def to_dict(self, *, spider: Optional[scrapy.Spider] = None) -> Dict[str, Any]: """Return a dictionary containing the Request's data. Use :func:`~scrapy.utils.request.request_from_dict` to convert back into a :class:`~scrapy.Request` object. diff --git a/scrapy/http/request/rpc.py b/scrapy/http/request/rpc.py index e20e7c438..096ecd370 100644 --- a/scrapy/http/request/rpc.py +++ b/scrapy/http/request/rpc.py @@ -21,7 +21,7 @@ DUMPS_ARGS = get_func_args(xmlrpclib.dumps) class XmlRpcRequest(Request): def __init__(self, *args: Any, encoding: Optional[str] = None, **kwargs: Any): if "body" not in kwargs and "params" in kwargs: - kw = dict((k, kwargs.pop(k)) for k in DUMPS_ARGS if k in kwargs) + kw = {k: kwargs.pop(k) for k in DUMPS_ARGS if k in kwargs} kwargs["body"] = xmlrpclib.dumps(**kw) # spec defines that requests must use POST method diff --git a/scrapy/settings/__init__.py b/scrapy/settings/__init__.py index 4448b6f4b..ea1db03f1 100644 --- a/scrapy/settings/__init__.py +++ b/scrapy/settings/__init__.py @@ -275,7 +275,7 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]): assert isinstance(value, (dict, list)) return copy.deepcopy(value) - def getwithbase(self, name: _SettingsKeyT) -> "BaseSettings": + def getwithbase(self, name: _SettingsKeyT) -> BaseSettings: """Get a composition of a dictionary-like setting and its `_BASE` counterpart. @@ -438,7 +438,7 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]): if self.frozen: raise TypeError("Trying to modify an immutable Settings object") - def copy(self) -> "Self": + def copy(self) -> Self: """ Make a deep copy of current settings. @@ -460,7 +460,7 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]): """ self.frozen = True - def frozencopy(self) -> "Self": + def frozencopy(self) -> Self: """ Return an immutable copy of the current settings. diff --git a/scrapy/utils/benchserver.py b/scrapy/utils/benchserver.py index e9ea51aa1..550516141 100644 --- a/scrapy/utils/benchserver.py +++ b/scrapy/utils/benchserver.py @@ -22,9 +22,7 @@ class Root(Resource): for nl in nlist: args["n"] = nl argstr = urlencode(args, doseq=True) - request.write( - f"follow {nl}
".encode("utf8") - ) + request.write(f"follow {nl}
".encode()) request.write(b"") return b"" diff --git a/scrapy/utils/request.py b/scrapy/utils/request.py index 42a6537a8..aa0b90ee8 100644 --- a/scrapy/utils/request.py +++ b/scrapy/utils/request.py @@ -49,9 +49,9 @@ def _serialize_headers( yield from request.headers.getlist(header) -_fingerprint_cache: ( - "WeakKeyDictionary[Request, Dict[Tuple[Optional[Tuple[bytes, ...]], bool], bytes]]" -) +_fingerprint_cache: WeakKeyDictionary[ + Request, Dict[Tuple[Optional[Tuple[bytes, ...]], bool], bytes] +] _fingerprint_cache = WeakKeyDictionary() diff --git a/tests/mockserver.py b/tests/mockserver.py index 647b0682e..233f6b934 100644 --- a/tests/mockserver.py +++ b/tests/mockserver.py @@ -189,10 +189,10 @@ class Raw(LeafResource): class Echo(LeafResource): def render_GET(self, request): output = { - "headers": dict( - (to_unicode(k), [to_unicode(v) for v in vs]) + "headers": { + to_unicode(k): [to_unicode(v) for v in vs] for k, vs in request.requestHeaders.getAllRawHeaders() - ), + }, "body": to_unicode(request.content.read()), } return to_bytes(json.dumps(output)) diff --git a/tests/test_downloadermiddleware_cookies.py b/tests/test_downloadermiddleware_cookies.py index 5eccd396a..6e343d035 100644 --- a/tests/test_downloadermiddleware_cookies.py +++ b/tests/test_downloadermiddleware_cookies.py @@ -362,7 +362,7 @@ class CookiesMiddlewareTest(TestCase): def test_request_cookies_encoding(self): # 1) UTF8-encoded bytes - req1 = Request("http://example.org", cookies={"a": "á".encode("utf8")}) + req1 = Request("http://example.org", cookies={"a": "á".encode()}) assert self.mw.process_request(req1, self.spider) is None self.assertCookieValEqual(req1.headers["Cookie"], b"a=\xc3\xa1") @@ -379,7 +379,7 @@ class CookiesMiddlewareTest(TestCase): @pytest.mark.xfail(reason="Cookie header is not currently being processed") def test_request_headers_cookie_encoding(self): # 1) UTF8-encoded bytes - req1 = Request("http://example.org", headers={"Cookie": "a=á".encode("utf8")}) + req1 = Request("http://example.org", headers={"Cookie": "a=á".encode()}) assert self.mw.process_request(req1, self.spider) is None self.assertCookieValEqual(req1.headers["Cookie"], b"a=\xc3\xa1") diff --git a/tests/test_downloadermiddleware_redirect.py b/tests/test_downloadermiddleware_redirect.py index 4bfd34fe2..e37da9715 100644 --- a/tests/test_downloadermiddleware_redirect.py +++ b/tests/test_downloadermiddleware_redirect.py @@ -1125,7 +1125,7 @@ class RedirectMiddlewareTest(Base.Test): def test_utf8_location(self): req = Request("http://scrapytest.org/first") - utf8_location = "/ação".encode("utf-8") # header using UTF-8 encoding + utf8_location = "/ação".encode() # header using UTF-8 encoding resp = Response( "http://scrapytest.org/first", headers={"Location": utf8_location}, diff --git a/tests/test_downloadermiddleware_robotstxt.py b/tests/test_downloadermiddleware_robotstxt.py index 26898a6a1..e166cc000 100644 --- a/tests/test_downloadermiddleware_robotstxt.py +++ b/tests/test_downloadermiddleware_robotstxt.py @@ -40,9 +40,7 @@ Disallow: /wiki/K%C3%A4ytt%C3%A4j%C3%A4: Disallow: /wiki/Käyttäjä: User-Agent: UnicödeBöt Disallow: /some/randome/page.html -""".encode( - "utf-8" - ) +""".encode() response = TextResponse("http://site.local/robots.txt", body=ROBOTS) def return_response(request): diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py index d7560b5ff..3771df8f1 100644 --- a/tests/test_feedexport.py +++ b/tests/test_feedexport.py @@ -1359,13 +1359,13 @@ class FeedExportTest(FeedExportTestBase): items = [dict({"foo": "Test\xd6"})] formats = { - "json": '[{"foo": "Test\\u00d6"}]'.encode("utf-8"), - "jsonlines": '{"foo": "Test\\u00d6"}\n'.encode("utf-8"), + "json": b'[{"foo": "Test\\u00d6"}]', + "jsonlines": b'{"foo": "Test\\u00d6"}\n', "xml": ( '\n' "Test\xd6" - ).encode("utf-8"), - "csv": "foo\r\nTest\xd6\r\n".encode("utf-8"), + ).encode(), + "csv": "foo\r\nTest\xd6\r\n".encode(), } for fmt, expected in formats.items(): @@ -1379,13 +1379,13 @@ class FeedExportTest(FeedExportTestBase): self.assertEqual(expected, data[fmt]) formats = { - "json": '[{"foo": "Test\xd6"}]'.encode("latin-1"), - "jsonlines": '{"foo": "Test\xd6"}\n'.encode("latin-1"), + "json": b'[{"foo": "Test\xd6"}]', + "jsonlines": b'{"foo": "Test\xd6"}\n', "xml": ( - '\n' - "Test\xd6" - ).encode("latin-1"), - "csv": "foo\r\nTest\xd6\r\n".encode("latin-1"), + b'\n' + b"Test\xd6" + ), + "csv": b"foo\r\nTest\xd6\r\n", } for fmt, expected in formats.items(): @@ -1404,12 +1404,12 @@ class FeedExportTest(FeedExportTestBase): items = [dict({"foo": "FOO", "bar": "BAR"})] formats = { - "json": '[\n{"bar": "BAR"}\n]'.encode("utf-8"), + "json": b'[\n{"bar": "BAR"}\n]', "xml": ( - '\n' - "\n \n FOO\n \n" - ).encode("latin-1"), - "csv": "bar,foo\r\nBAR,FOO\r\n".encode("utf-8"), + b'\n' + b"\n \n FOO\n \n" + ), + "csv": b"bar,foo\r\nBAR,FOO\r\n", } settings = { @@ -1663,8 +1663,8 @@ class FeedExportTest(FeedExportTestBase): def test_extend_kwargs(self): items = [{"foo": "FOO", "bar": "BAR"}] - expected_with_title_csv = "foo,bar\r\nFOO,BAR\r\n".encode("utf-8") - expected_without_title_csv = "FOO,BAR\r\n".encode("utf-8") + expected_with_title_csv = b"foo,bar\r\nFOO,BAR\r\n" + expected_without_title_csv = b"FOO,BAR\r\n" test_cases = [ # with title { @@ -2519,22 +2519,22 @@ class BatchDeliveriesTest(FeedExportTestBase): formats = { "json": [ - '[\n{"bar": "BAR"}\n]'.encode("utf-8"), - '[\n{"bar": "BAR1"}\n]'.encode("utf-8"), + b'[\n{"bar": "BAR"}\n]', + b'[\n{"bar": "BAR1"}\n]', ], "xml": [ ( - '\n' - "\n \n FOO\n \n" - ).encode("latin-1"), + b'\n' + b"\n \n FOO\n \n" + ), ( - '\n' - "\n \n FOO1\n \n" - ).encode("latin-1"), + b'\n' + b"\n \n FOO1\n \n" + ), ], "csv": [ - "foo,bar\r\nFOO,BAR\r\n".encode("utf-8"), - "foo,bar\r\nFOO1,BAR1\r\n".encode("utf-8"), + b"foo,bar\r\nFOO,BAR\r\n", + b"foo,bar\r\nFOO1,BAR1\r\n", ], } @@ -2577,8 +2577,8 @@ class BatchDeliveriesTest(FeedExportTestBase): items = [dict({"foo": "FOO"}), dict({"foo": "FOO1"})] formats = { "json": [ - '[{"foo": "FOO"}]'.encode("utf-8"), - '[{"foo": "FOO1"}]'.encode("utf-8"), + b'[{"foo": "FOO"}]', + b'[{"foo": "FOO1"}]', ], } settings = { diff --git a/tests/test_http_response.py b/tests/test_http_response.py index 80d46274b..b8a277295 100644 --- a/tests/test_http_response.py +++ b/tests/test_http_response.py @@ -728,9 +728,7 @@ class TextResponseTest(BaseResponseTest): resp1 = self.response_class( "http://example.com", encoding="utf8", - body='click me'.encode( - "utf8" - ), + body='click me'.encode(), ) req = self._assert_followed_url( resp1.css("a")[0], diff --git a/tests/test_pipeline_crawl.py b/tests/test_pipeline_crawl.py index 5a9a217ce..cd3442dd4 100644 --- a/tests/test_pipeline_crawl.py +++ b/tests/test_pipeline_crawl.py @@ -107,9 +107,7 @@ class FileDownloadCrawlTestCase(TestCase): # check that the images/files checksums are what we know they should be if self.expected_checksums is not None: - checksums = set( - i["checksum"] for item in items for i in item[self.media_key] - ) + checksums = {i["checksum"] for item in items for i in item[self.media_key]} self.assertEqual(checksums, self.expected_checksums) # check that the image files where actually written to the media store diff --git a/tests/test_pipeline_images.py b/tests/test_pipeline_images.py index 18a2454b3..7d7c78920 100644 --- a/tests/test_pipeline_images.py +++ b/tests/test_pipeline_images.py @@ -628,7 +628,7 @@ class ImagesPipelineTestCaseCustomSettings(unittest.TestCase): class NoimagesDropTestCase(unittest.TestCase): def test_deprecation_warning(self): - arg = str() + arg = "" with warnings.catch_warnings(record=True) as w: NoimagesDrop(arg) self.assertEqual(len(w), 1) diff --git a/tests/test_responsetypes.py b/tests/test_responsetypes.py index 2633cca5b..7be8150fc 100644 --- a/tests/test_responsetypes.py +++ b/tests/test_responsetypes.py @@ -29,7 +29,7 @@ class ResponseTypesTest(unittest.TestCase): mappings = [ (b'attachment; filename="data.xml"', XmlResponse), (b"attachment; filename=data.xml", XmlResponse), - ("attachment;filename=data£.tar.gz".encode("utf-8"), Response), + ("attachment;filename=data£.tar.gz".encode(), Response), ("attachment;filename=dataµ.tar.gz".encode("latin-1"), Response), ("attachment;filename=data高.doc".encode("gbk"), Response), ("attachment;filename=دورهdata.html".encode("cp720"), HtmlResponse), diff --git a/tests/test_robotstxt_interface.py b/tests/test_robotstxt_interface.py index 6ad30deed..28ad910a8 100644 --- a/tests/test_robotstxt_interface.py +++ b/tests/test_robotstxt_interface.py @@ -36,10 +36,10 @@ class BaseRobotParserTest: def test_allowed(self): robotstxt_robotstxt_body = ( - "User-agent: * \n" - "Disallow: /disallowed \n" - "Allow: /allowed \n" - "Crawl-delay: 10".encode("utf-8") + b"User-agent: * \n" + b"Disallow: /disallowed \n" + b"Allow: /allowed \n" + b"Crawl-delay: 10" ) rp = self.parser_cls.from_crawler( crawler=None, robotstxt_body=robotstxt_robotstxt_body @@ -48,15 +48,13 @@ class BaseRobotParserTest: self.assertFalse(rp.allowed("https://www.site.local/disallowed", "*")) def test_allowed_wildcards(self): - robotstxt_robotstxt_body = """User-agent: first + robotstxt_robotstxt_body = b"""User-agent: first Disallow: /disallowed/*/end$ User-agent: second Allow: /*allowed Disallow: / - """.encode( - "utf-8" - ) + """ rp = self.parser_cls.from_crawler( crawler=None, robotstxt_body=robotstxt_robotstxt_body ) @@ -77,18 +75,14 @@ class BaseRobotParserTest: self.assertTrue(rp.allowed("https://www.site.local/is_allowed_too", "second")) def test_length_based_precedence(self): - robotstxt_robotstxt_body = ( - "User-agent: * \n" "Disallow: / \n" "Allow: /page".encode("utf-8") - ) + robotstxt_robotstxt_body = b"User-agent: * \n" b"Disallow: / \n" b"Allow: /page" rp = self.parser_cls.from_crawler( crawler=None, robotstxt_body=robotstxt_robotstxt_body ) self.assertTrue(rp.allowed("https://www.site.local/page", "*")) def test_order_based_precedence(self): - robotstxt_robotstxt_body = ( - "User-agent: * \n" "Disallow: / \n" "Allow: /page".encode("utf-8") - ) + robotstxt_robotstxt_body = b"User-agent: * \n" b"Disallow: / \n" b"Allow: /page" rp = self.parser_cls.from_crawler( crawler=None, robotstxt_body=robotstxt_robotstxt_body ) @@ -123,9 +117,7 @@ class BaseRobotParserTest: Disallow: /wiki/Käyttäjä: User-Agent: UnicödeBöt - Disallow: /some/randome/page.html""".encode( - "utf-8" - ) + Disallow: /some/randome/page.html""".encode() rp = self.parser_cls.from_crawler( crawler=None, robotstxt_body=robotstxt_robotstxt_body ) @@ -145,14 +137,14 @@ class BaseRobotParserTest: class DecodeRobotsTxtTest(unittest.TestCase): def test_native_string_conversion(self): - robotstxt_body = "User-agent: *\nDisallow: /\n".encode("utf-8") + robotstxt_body = b"User-agent: *\nDisallow: /\n" decoded_content = decode_robotstxt( robotstxt_body, spider=None, to_native_str_type=True ) self.assertEqual(decoded_content, "User-agent: *\nDisallow: /\n") def test_decode_utf8(self): - robotstxt_body = "User-agent: *\nDisallow: /\n".encode("utf-8") + robotstxt_body = b"User-agent: *\nDisallow: /\n" decoded_content = decode_robotstxt(robotstxt_body, spider=None) self.assertEqual(decoded_content, "User-agent: *\nDisallow: /\n") From 144ff6c756fa58da2bc1a85879aa6f89300030d1 Mon Sep 17 00:00:00 2001 From: Laerte Pereira Date: Wed, 5 Jun 2024 21:09:10 -0300 Subject: [PATCH 221/786] Document missing parts of response.json method --- docs/topics/dynamic-content.rst | 7 +++---- docs/topics/selectors.rst | 8 ++++++++ scrapy/selector/unified.py | 1 + 3 files changed, 12 insertions(+), 4 deletions(-) diff --git a/docs/topics/dynamic-content.rst b/docs/topics/dynamic-content.rst index a0f4b4411..a99f1e222 100644 --- a/docs/topics/dynamic-content.rst +++ b/docs/topics/dynamic-content.rst @@ -115,15 +115,14 @@ Handling different response formats Once you have a response with the desired data, how you extract the desired data from it depends on the type of response: -- If the response is HTML or XML, use :ref:`selectors +- If the response is HTML, XML or JSON, use :ref:`selectors ` as usual. -- If the response is JSON, use :func:`json.loads` to load the desired data from - :attr:`response.text `: +- If the response is JSON, use :func:`response.json()` to load the desired data: .. code-block:: python - data = json.loads(response.text) + data = response.json() If the desired data is inside HTML or XML code embedded within JSON data, you can load that HTML or XML code into a diff --git a/docs/topics/selectors.rst b/docs/topics/selectors.rst index e32fc2b70..0aae41cc8 100644 --- a/docs/topics/selectors.rst +++ b/docs/topics/selectors.rst @@ -1060,6 +1060,12 @@ Selector objects For convenience, this method can be called as ``response.css()`` + .. automethod:: jmespath + + .. note:: + + For convenience, this method can be called as ``response.jmespath()`` + .. automethod:: get See also: :ref:`old-extraction-api` @@ -1092,6 +1098,8 @@ SelectorList objects .. automethod:: css + .. automethod:: jmespath + .. automethod:: getall See also: :ref:`old-extraction-api` diff --git a/scrapy/selector/unified.py b/scrapy/selector/unified.py index e852aadc7..bfddb87cb 100644 --- a/scrapy/selector/unified.py +++ b/scrapy/selector/unified.py @@ -59,6 +59,7 @@ class Selector(_ParselSelector, object_ref): * ``"html"`` for :class:`~scrapy.http.HtmlResponse` type * ``"xml"`` for :class:`~scrapy.http.XmlResponse` type + * ``"json"`` for :class:`~scrapy.http.TextResponse` type * ``"html"`` for anything else Otherwise, if ``type`` is set, the selector type will be forced and no From 23b1214e901961057bf43a5fb2548b35dfe19b20 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Thu, 6 Jun 2024 21:44:07 +0500 Subject: [PATCH 222/786] Add a comment about pyupgrade and scrapy/__init__.py. --- .pre-commit-config.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml index f76a04ca1..505b3c57d 100644 --- a/.pre-commit-config.yaml +++ b/.pre-commit-config.yaml @@ -27,4 +27,5 @@ repos: hooks: - id: pyupgrade args: [--py38-plus, --keep-runtime-typing] + # scrapy/__init__.py has a sys.version_info check we want to keep exclude: scrapy/__init__.py From ed3a7acaf3169ed6b9f9ffbcffed35db63d840f7 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Fri, 7 Jun 2024 11:19:37 +0500 Subject: [PATCH 223/786] Remove the Python version check from scrapy/__init__.py. --- .pre-commit-config.yaml | 2 -- scrapy/__init__.py | 6 ------ 2 files changed, 8 deletions(-) diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml index 505b3c57d..63da5544d 100644 --- a/.pre-commit-config.yaml +++ b/.pre-commit-config.yaml @@ -27,5 +27,3 @@ repos: hooks: - id: pyupgrade args: [--py38-plus, --keep-runtime-typing] - # scrapy/__init__.py has a sys.version_info check we want to keep - exclude: scrapy/__init__.py diff --git a/scrapy/__init__.py b/scrapy/__init__.py index cc0e539c4..1c1a5c2cc 100644 --- a/scrapy/__init__.py +++ b/scrapy/__init__.py @@ -33,12 +33,6 @@ version_info = tuple(int(v) if v.isdigit() else v for v in __version__.split("." twisted_version = (_txv.major, _txv.minor, _txv.micro) -# Check minimum required Python version -if sys.version_info < (3, 8): - print(f"Scrapy {__version__} requires Python 3.8+") - sys.exit(1) - - # Ignore noisy twisted deprecation warnings warnings.filterwarnings("ignore", category=DeprecationWarning, module="twisted") From ddc98fe91b454a0944a8558daa2000da08921b62 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 10 Jun 2024 13:16:26 +0500 Subject: [PATCH 224/786] Deprecate scrapy.utils.defer.process_chain_both(). (#6397) --- scrapy/utils/defer.py | 9 ++++++++- tests/test_utils_defer.py | 14 -------------- 2 files changed, 8 insertions(+), 15 deletions(-) diff --git a/scrapy/utils/defer.py b/scrapy/utils/defer.py index abb7e1726..f60b7dde8 100644 --- a/scrapy/utils/defer.py +++ b/scrapy/utils/defer.py @@ -6,6 +6,7 @@ from __future__ import annotations import asyncio import inspect +import warnings from asyncio import Future from functools import wraps from types import CoroutineType @@ -35,7 +36,7 @@ from twisted.internet.task import Cooperator from twisted.python import failure from twisted.python.failure import Failure -from scrapy.exceptions import IgnoreRequest +from scrapy.exceptions import IgnoreRequest, ScrapyDeprecationWarning from scrapy.utils.reactor import _get_asyncio_event_loop, is_asyncio_reactor_installed if TYPE_CHECKING: @@ -281,6 +282,12 @@ def process_chain_both( **kw: _P.kwargs, ) -> Deferred: """Return a Deferred built by chaining the given callbacks and errbacks""" + warnings.warn( + "process_chain_both() is deprecated and will be removed in a future" + " Scrapy version.", + ScrapyDeprecationWarning, + stacklevel=2, + ) d: Deferred = Deferred() for cb, eb in zip(callbacks, errbacks): d.addCallback(cb, *a, **kw) diff --git a/tests/test_utils_defer.py b/tests/test_utils_defer.py index a7d54b565..ec0399865 100644 --- a/tests/test_utils_defer.py +++ b/tests/test_utils_defer.py @@ -14,7 +14,6 @@ from scrapy.utils.defer import ( mustbe_deferred, parallel_async, process_chain, - process_chain_both, process_parallel, ) @@ -80,19 +79,6 @@ class DeferUtilsTest(unittest.TestCase): gotexc = True self.assertTrue(gotexc) - @defer.inlineCallbacks - def test_process_chain_both(self): - x = yield process_chain_both( - [cb_fail, cb2, cb3], [None, eb1, None], "res", "v1", "v2" - ) - self.assertEqual(x, "(cb3 (eb1 TypeError v1 v2) v1 v2)") - - fail = Failure(ZeroDivisionError()) - x = yield process_chain_both( - [eb1, cb2, cb3], [eb1, None, None], fail, "v1", "v2" - ) - self.assertEqual(x, "(cb3 (cb2 (eb1 ZeroDivisionError v1 v2) v1 v2) v1 v2)") - @defer.inlineCallbacks def test_process_parallel(self): x = yield process_parallel([cb1, cb2, cb3], "res", "v1", "v2") From 1282ddf8f77299edf613679c2ee0b606e96808ce Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 10 Jun 2024 13:27:50 +0500 Subject: [PATCH 225/786] Add parameters to most Deferred in scrapy/core. (#6395) --- scrapy/core/downloader/__init__.py | 45 ++++++++++---- scrapy/core/downloader/handlers/__init__.py | 38 +++++++++--- scrapy/core/downloader/handlers/ftp.py | 10 ++- scrapy/core/downloader/handlers/http10.py | 3 +- scrapy/core/downloader/handlers/http11.py | 69 ++++++++++++--------- scrapy/core/downloader/handlers/http2.py | 4 +- scrapy/core/downloader/handlers/s3.py | 3 +- scrapy/core/downloader/middleware.py | 23 ++++--- scrapy/core/downloader/webclient.py | 6 +- scrapy/core/engine.py | 55 +++++++++------- scrapy/core/scheduler.py | 8 +-- scrapy/core/scraper.py | 61 +++++++++++------- scrapy/core/spidermw.py | 18 +++--- scrapy/pipelines/__init__.py | 4 +- scrapy/utils/defer.py | 20 +++--- tests/test_downloadermiddleware.py | 2 +- 16 files changed, 237 insertions(+), 132 deletions(-) diff --git a/scrapy/core/downloader/__init__.py b/scrapy/core/downloader/__init__.py index 0ab3bdb77..41f729ed9 100644 --- a/scrapy/core/downloader/__init__.py +++ b/scrapy/core/downloader/__init__.py @@ -1,9 +1,22 @@ +from __future__ import annotations + import random import warnings from collections import deque from datetime import datetime from time import time -from typing import TYPE_CHECKING, Any, Deque, Dict, Optional, Set, Tuple, cast +from typing import ( + TYPE_CHECKING, + Any, + Deque, + Dict, + Optional, + Set, + Tuple, + TypeVar, + Union, + cast, +) from twisted.internet import task from twisted.internet.defer import Deferred @@ -22,6 +35,8 @@ from scrapy.utils.httpobj import urlparse_cached if TYPE_CHECKING: from scrapy.crawler import Crawler +_T = TypeVar("_T") + class Slot: """Downloader slot""" @@ -40,7 +55,7 @@ class Slot: self.throttle = throttle self.active: Set[Request] = set() - self.queue: Deque[Tuple[Request, Deferred]] = deque() + self.queue: Deque[Tuple[Request, Deferred[Response]]] = deque() self.transferring: Set[Request] = set() self.lastseen: float = 0 self.latercall = None @@ -93,7 +108,7 @@ def _get_concurrency_delay( class Downloader: DOWNLOAD_SLOT = "download_slot" - def __init__(self, crawler: "Crawler"): + def __init__(self, crawler: Crawler): self.settings: BaseSettings = crawler.settings self.signals: SignalManager = crawler.signals self.slots: Dict[str, Slot] = {} @@ -114,13 +129,17 @@ class Downloader: "DOWNLOAD_SLOTS", {} ) - def fetch(self, request: Request, spider: Spider) -> Deferred: - def _deactivate(response: Response) -> Response: + def fetch( + self, request: Request, spider: Spider + ) -> Deferred[Union[Response, Request]]: + def _deactivate(response: _T) -> _T: self.active.remove(request) return response self.active.add(request) - dfd = self.middleware.download(self._enqueue_request, request, spider) + dfd: Deferred[Union[Response, Request]] = self.middleware.download( + self._enqueue_request, request, spider + ) return dfd.addBoth(_deactivate) def needs_backout(self) -> bool: @@ -163,7 +182,7 @@ class Downloader: ) return self.get_slot_key(request) - def _enqueue_request(self, request: Request, spider: Spider) -> Deferred: + def _enqueue_request(self, request: Request, spider: Spider) -> Deferred[Response]: key, slot = self._get_slot(request, spider) request.meta[self.DOWNLOAD_SLOT] = key @@ -175,7 +194,7 @@ class Downloader: self.signals.send_catch_log( signal=signals.request_reached_downloader, request=request, spider=spider ) - deferred: Deferred = Deferred().addBoth(_deactivate) + deferred: Deferred[Response] = Deferred().addBoth(_deactivate) slot.queue.append((request, deferred)) self._process_queue(spider, slot) return deferred @@ -208,11 +227,15 @@ class Downloader: self._process_queue(spider, slot) break - def _download(self, slot: Slot, request: Request, spider: Spider) -> Deferred: + def _download( + self, slot: Slot, request: Request, spider: Spider + ) -> Deferred[Response]: # The order is very important for the following deferreds. Do not change! # 1. Create the download deferred - dfd = mustbe_deferred(self.handlers.download_request, request, spider) + dfd: Deferred[Response] = mustbe_deferred( + self.handlers.download_request, request, spider + ) # 2. Notify response_downloaded listeners about the recent download # before querying queue for next request @@ -233,7 +256,7 @@ class Downloader: # middleware itself) slot.transferring.add(request) - def finish_transferring(_: Any) -> Any: + def finish_transferring(_: _T) -> _T: slot.transferring.remove(request) self._process_queue(spider, slot) self.signals.send_catch_log( diff --git a/scrapy/core/downloader/handlers/__init__.py b/scrapy/core/downloader/handlers/__init__.py index 5ec5ef6db..ebc4898b5 100644 --- a/scrapy/core/downloader/handlers/__init__.py +++ b/scrapy/core/downloader/handlers/__init__.py @@ -3,13 +3,25 @@ from __future__ import annotations import logging -from typing import TYPE_CHECKING, Any, Callable, Dict, Generator, Union, cast +from typing import ( + TYPE_CHECKING, + Any, + Callable, + Dict, + Generator, + Optional, + Protocol, + Type, + Union, + cast, +) from twisted.internet import defer from twisted.internet.defer import Deferred from scrapy import Request, Spider, signals from scrapy.exceptions import NotConfigured, NotSupported +from scrapy.http import Response from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.misc import build_from_crawler, load_object from scrapy.utils.python import without_none_values @@ -20,13 +32,21 @@ if TYPE_CHECKING: logger = logging.getLogger(__name__) +class DownloadHandlerProtocol(Protocol): + def download_request( + self, request: Request, spider: Spider + ) -> Deferred[Response]: ... + + class DownloadHandlers: def __init__(self, crawler: Crawler): self._crawler: Crawler = crawler self._schemes: Dict[str, Union[str, Callable[..., Any]]] = ( {} ) # stores acceptable schemes on instancing - self._handlers: Dict[str, Any] = {} # stores instanced handlers for schemes + self._handlers: Dict[str, DownloadHandlerProtocol] = ( + {} + ) # stores instanced handlers for schemes self._notconfigured: Dict[str, str] = {} # remembers failed handlers handlers: Dict[str, Union[str, Callable[..., Any]]] = without_none_values( cast( @@ -40,7 +60,7 @@ class DownloadHandlers: crawler.signals.connect(self._close, signals.engine_stopped) - def _get_handler(self, scheme: str) -> Any: + def _get_handler(self, scheme: str) -> Optional[DownloadHandlerProtocol]: """Lazy-load the downloadhandler for a scheme only on the first request for that scheme. """ @@ -54,10 +74,12 @@ class DownloadHandlers: return self._load_handler(scheme) - def _load_handler(self, scheme: str, skip_lazy: bool = False) -> Any: + def _load_handler( + self, scheme: str, skip_lazy: bool = False + ) -> Optional[DownloadHandlerProtocol]: path = self._schemes[scheme] try: - dhcls = load_object(path) + dhcls: Type[DownloadHandlerProtocol] = load_object(path) if skip_lazy and getattr(dhcls, "lazy", True): return None dh = build_from_crawler( @@ -80,17 +102,17 @@ class DownloadHandlers: self._handlers[scheme] = dh return dh - def download_request(self, request: Request, spider: Spider) -> Deferred: + def download_request(self, request: Request, spider: Spider) -> Deferred[Response]: scheme = urlparse_cached(request).scheme handler = self._get_handler(scheme) if not handler: raise NotSupported( f"Unsupported URL scheme '{scheme}': {self._notconfigured[scheme]}" ) - return cast(Deferred, handler.download_request(request, spider)) + return handler.download_request(request, spider) @defer.inlineCallbacks - def _close(self, *_a: Any, **_kw: Any) -> Generator[Deferred, Any, None]: + def _close(self, *_a: Any, **_kw: Any) -> Generator[Deferred[Any], Any, None]: for dh in self._handlers.values(): if hasattr(dh, "close"): yield dh.close() diff --git a/scrapy/core/downloader/handlers/ftp.py b/scrapy/core/downloader/handlers/ftp.py index 77dcf3c38..724717ffd 100644 --- a/scrapy/core/downloader/handlers/ftp.py +++ b/scrapy/core/downloader/handlers/ftp.py @@ -91,7 +91,7 @@ class FTPDownloadHandler: def from_crawler(cls, crawler: Crawler) -> Self: return cls(crawler.settings) - def download_request(self, request: Request, spider: Spider) -> Deferred: + def download_request(self, request: Request, spider: Spider) -> Deferred[Response]: from twisted.internet import reactor parsed_url = urlparse_cached(request) @@ -103,10 +103,14 @@ class FTPDownloadHandler: creator = ClientCreator( reactor, FTPClient, user, password, passive=passive_mode ) - dfd: Deferred = creator.connectTCP(parsed_url.hostname, parsed_url.port or 21) + dfd: Deferred[FTPClient] = creator.connectTCP( + parsed_url.hostname, parsed_url.port or 21 + ) return dfd.addCallback(self.gotClient, request, unquote(parsed_url.path)) - def gotClient(self, client: FTPClient, request: Request, filepath: str) -> Deferred: + def gotClient( + self, client: FTPClient, request: Request, filepath: str + ) -> Deferred[Response]: self.client = client protocol = ReceivedDataProtocol(request.meta.get("ftp_local_filename")) d = client.retrieveFile(filepath, protocol) diff --git a/scrapy/core/downloader/handlers/http10.py b/scrapy/core/downloader/handlers/http10.py index da9559525..3c4e48abb 100644 --- a/scrapy/core/downloader/handlers/http10.py +++ b/scrapy/core/downloader/handlers/http10.py @@ -9,6 +9,7 @@ from twisted.internet.defer import Deferred from scrapy import Request, Spider from scrapy.crawler import Crawler +from scrapy.http import Response from scrapy.settings import BaseSettings from scrapy.utils.misc import build_from_crawler, load_object from scrapy.utils.python import to_unicode @@ -38,7 +39,7 @@ class HTTP10DownloadHandler: def from_crawler(cls, crawler: Crawler) -> Self: return cls(crawler.settings, crawler) - def download_request(self, request: Request, spider: Spider) -> Deferred: + def download_request(self, request: Request, spider: Spider) -> Deferred[Response]: """Return a deferred for the HTTP download""" factory = self.HTTPClientFactory(request) self._connect(factory) diff --git a/scrapy/core/downloader/handlers/http11.py b/scrapy/core/downloader/handlers/http11.py index 5e84be6ba..e2ad8f59a 100644 --- a/scrapy/core/downloader/handlers/http11.py +++ b/scrapy/core/downloader/handlers/http11.py @@ -8,7 +8,7 @@ import re from contextlib import suppress from io import BytesIO from time import time -from typing import TYPE_CHECKING, Any, Dict, List, Optional, Tuple, Union, cast +from typing import TYPE_CHECKING, Any, List, Optional, Tuple, TypedDict, TypeVar, Union from urllib.parse import urldefrag, urlunparse from twisted.internet import ssl @@ -38,12 +38,22 @@ from scrapy.settings import BaseSettings from scrapy.utils.python import to_bytes, to_unicode if TYPE_CHECKING: - # typing.Self requires Python 3.11 - from typing_extensions import Self - + # typing.NotRequired and typing.Self require Python 3.11 + from typing_extensions import NotRequired, Self logger = logging.getLogger(__name__) +_T = TypeVar("_T") + + +class _ResultT(TypedDict): + txresponse: TxResponse + body: bytes + flags: Optional[List[str]] + certificate: Optional[ssl.Certificate] + ip_address: Union[ipaddress.IPv4Address, ipaddress.IPv6Address, None] + failure: NotRequired[Optional[Failure]] + class HTTP11DownloadHandler: lazy = False @@ -71,7 +81,7 @@ class HTTP11DownloadHandler: def from_crawler(cls, crawler: Crawler) -> Self: return cls(crawler.settings, crawler) - def download_request(self, request: Request, spider: Spider) -> Deferred: + def download_request(self, request: Request, spider: Spider) -> Deferred[Response]: """Return a deferred for the HTTP download""" agent = ScrapyAgent( contextFactory=self._contextFactory, @@ -83,10 +93,10 @@ class HTTP11DownloadHandler: ) return agent.download_request(request) - def close(self) -> Deferred: + def close(self) -> Deferred[None]: from twisted.internet import reactor - d: Deferred = self._pool.closeCachedConnections() + d: Deferred[None] = self._pool.closeCachedConnections() # closeCachedConnections will hang on network or server issues, so # we'll manually timeout the deferred. # @@ -97,7 +107,7 @@ class HTTP11DownloadHandler: # issue a callback after `_disconnect_timeout` seconds. delayed_call = reactor.callLater(self._disconnect_timeout, d.callback, []) - def cancel_delayed_call(result: Any) -> Any: + def cancel_delayed_call(result: _T) -> _T: if delayed_call.active(): delayed_call.cancel() return result @@ -137,7 +147,7 @@ class TunnelingTCP4ClientEndpoint(TCP4ClientEndpoint): ): proxyHost, proxyPort, self._proxyAuthHeader = proxyConf super().__init__(reactor, proxyHost, proxyPort, timeout, bindAddress) - self._tunnelReadyDeferred: Deferred = Deferred() + self._tunnelReadyDeferred: Deferred[Protocol] = Deferred() self._tunneledHost: str = host self._tunneledPort: int = port self._contextFactory: IPolicyForHTTPS = contextFactory @@ -198,7 +208,7 @@ class TunnelingTCP4ClientEndpoint(TCP4ClientEndpoint): """Propagates the errback to the appropriate deferred.""" self._tunnelReadyDeferred.errback(reason) - def connect(self, protocolFactory: Factory) -> Deferred: + def connect(self, protocolFactory: Factory) -> Deferred[Protocol]: self._protocolFactory = protocolFactory connectDeferred = super().connect(protocolFactory) connectDeferred.addCallback(self.requestTunnel) @@ -271,7 +281,7 @@ class TunnelingAgent(Agent): headers: Optional[TxHeaders], bodyProducer: Optional[IBodyProducer], requestPath: bytes, - ) -> Deferred: + ) -> Deferred[TxResponse]: # proxy host and port are required for HTTP pool `key` # otherwise, same remote host connection request could reuse # a cached tunneled connection to a different proxy @@ -310,7 +320,7 @@ class ScrapyProxyAgent(Agent): uri: bytes, headers: Optional[TxHeaders] = None, bodyProducer: Optional[IBodyProducer] = None, - ) -> Deferred: + ) -> Deferred[TxResponse]: """ Issue a new request via the configured proxy. """ @@ -394,7 +404,7 @@ class ScrapyAgent: pool=self._pool, ) - def download_request(self, request: Request) -> Deferred: + def download_request(self, request: Request) -> Deferred[Response]: from twisted.internet import reactor timeout = request.meta.get("download_timeout") or self._connectTimeout @@ -411,22 +421,20 @@ class ScrapyAgent: else: bodyproducer = None start_time = time() - d: Deferred = agent.request( + d: Deferred[TxResponse] = agent.request( method, to_bytes(url, encoding="ascii"), headers, bodyproducer ) # set download latency d.addCallback(self._cb_latency, request, start_time) # response body is ready to be consumed - d.addCallback(self._cb_bodyready, request) - d.addCallback(self._cb_bodydone, request, url) + d2: Deferred[_ResultT] = d.addCallback(self._cb_bodyready, request) + d3: Deferred[Response] = d2.addCallback(self._cb_bodydone, request, url) # check download timeout - self._timeout_cl = reactor.callLater(timeout, d.cancel) - d.addBoth(self._cb_timeout, request, url, timeout) - return d + self._timeout_cl = reactor.callLater(timeout, d3.cancel) + d3.addBoth(self._cb_timeout, request, url, timeout) + return d3 - def _cb_timeout( - self, result: Any, request: Request, url: str, timeout: float - ) -> Any: + def _cb_timeout(self, result: _T, request: Request, url: str, timeout: float) -> _T: if self._timeout_cl.active(): self._timeout_cl.cancel() return result @@ -437,7 +445,7 @@ class ScrapyAgent: raise TimeoutError(f"Getting {url} took longer than {timeout} seconds.") - def _cb_latency(self, result: Any, request: Request, start_time: float) -> Any: + def _cb_latency(self, result: _T, request: Request, start_time: float) -> _T: request.meta["download_latency"] = time() - start_time return result @@ -451,7 +459,7 @@ class ScrapyAgent: def _cb_bodyready( self, txresponse: TxResponse, request: Request - ) -> Union[Dict[str, Any], Deferred]: + ) -> Union[_ResultT, Deferred[_ResultT]]: headers_received_result = self._crawler.signals.send_catch_log( signal=signals.headers_received, headers=self._headers_from_twisted_response(txresponse), @@ -520,7 +528,7 @@ class ScrapyAgent: # Abort connection immediately. txresponse._transport._producer.abortConnection() - d: Deferred = Deferred(_cancel) + d: Deferred[_ResultT] = Deferred(_cancel) txresponse.deliverBody( _ResponseReader( finished=d, @@ -539,7 +547,7 @@ class ScrapyAgent: return d def _cb_bodydone( - self, result: Dict[str, Any], request: Request, url: str + self, result: _ResultT, request: Request, url: str ) -> Union[Response, Failure]: headers = self._headers_from_twisted_response(result["txresponse"]) respcls = responsetypes.from_args(headers=headers, url=url, body=result["body"]) @@ -559,8 +567,9 @@ class ScrapyAgent: protocol=protocol, ) if result.get("failure"): + assert result["failure"] result["failure"].value.response = response - return cast(Failure, result["failure"]) + return result["failure"] return response @@ -570,7 +579,7 @@ class _RequestBodyProducer: self.body = body self.length = len(body) - def startProducing(self, consumer: IConsumer) -> Deferred: + def startProducing(self, consumer: IConsumer) -> Deferred[None]: consumer.write(self.body) return succeed(None) @@ -584,7 +593,7 @@ class _RequestBodyProducer: class _ResponseReader(Protocol): def __init__( self, - finished: Deferred, + finished: Deferred[_ResultT], txresponse: TxResponse, request: Request, maxsize: int, @@ -592,7 +601,7 @@ class _ResponseReader(Protocol): fail_on_dataloss: bool, crawler: Crawler, ): - self._finished: Deferred = finished + self._finished: Deferred[_ResultT] = finished self._txresponse: TxResponse = txresponse self._request: Request = request self._bodybuf: BytesIO = BytesIO() diff --git a/scrapy/core/downloader/handlers/http2.py b/scrapy/core/downloader/handlers/http2.py index 16fc1e3ae..2ac4eca86 100644 --- a/scrapy/core/downloader/handlers/http2.py +++ b/scrapy/core/downloader/handlers/http2.py @@ -37,7 +37,7 @@ class H2DownloadHandler: def from_crawler(cls, crawler: Crawler) -> Self: return cls(crawler.settings, crawler) - def download_request(self, request: Request, spider: Spider) -> Deferred: + def download_request(self, request: Request, spider: Spider) -> Deferred[Response]: agent = ScrapyH2Agent( context_factory=self._context_factory, pool=self._pool, @@ -98,7 +98,7 @@ class ScrapyH2Agent: pool=self._pool, ) - def download_request(self, request: Request, spider: Spider) -> Deferred: + def download_request(self, request: Request, spider: Spider) -> Deferred[Response]: from twisted.internet import reactor timeout = request.meta.get("download_timeout") or self._connect_timeout diff --git a/scrapy/core/downloader/handlers/s3.py b/scrapy/core/downloader/handlers/s3.py index 1a3d36f45..0ad340721 100644 --- a/scrapy/core/downloader/handlers/s3.py +++ b/scrapy/core/downloader/handlers/s3.py @@ -8,6 +8,7 @@ from scrapy import Request, Spider from scrapy.core.downloader.handlers.http import HTTPDownloadHandler from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured +from scrapy.http import Response from scrapy.settings import BaseSettings from scrapy.utils.boto import is_botocore_available from scrapy.utils.httpobj import urlparse_cached @@ -76,7 +77,7 @@ class S3DownloadHandler: def from_crawler(cls, crawler: Crawler, **kwargs: Any) -> Self: return cls(crawler.settings, crawler=crawler, **kwargs) - def download_request(self, request: Request, spider: Spider) -> Deferred: + def download_request(self, request: Request, spider: Spider) -> Deferred[Response]: p = urlparse_cached(request) scheme = "https" if request.meta.get("is_secure") else "http" bucket = p.hostname diff --git a/scrapy/core/downloader/middleware.py b/scrapy/core/downloader/middleware.py index 52ebe4e22..2d8af114f 100644 --- a/scrapy/core/downloader/middleware.py +++ b/scrapy/core/downloader/middleware.py @@ -4,6 +4,8 @@ Downloader Middleware manager See documentation in docs/topics/downloader-middleware.rst """ +from __future__ import annotations + from typing import Any, Callable, Generator, List, Union, cast from twisted.internet.defer import Deferred, inlineCallbacks @@ -34,10 +36,15 @@ class DownloaderMiddlewareManager(MiddlewareManager): self.methods["process_exception"].appendleft(mw.process_exception) def download( - self, download_func: Callable, request: Request, spider: Spider - ) -> Deferred: + self, + download_func: Callable[[Request, Spider], Deferred[Response]], + request: Request, + spider: Spider, + ) -> Deferred[Union[Response, Request]]: @inlineCallbacks - def process_request(request: Request) -> Generator[Deferred, Any, Any]: + def process_request( + request: Request, + ) -> Generator[Deferred[Any], Any, Union[Response, Request]]: for method in self.methods["process_request"]: method = cast(Callable, method) response = yield deferred_from_coro( @@ -52,12 +59,12 @@ class DownloaderMiddlewareManager(MiddlewareManager): ) if response: return response - return (yield download_func(request=request, spider=spider)) + return (yield download_func(request, spider)) @inlineCallbacks def process_response( response: Union[Response, Request] - ) -> Generator[Deferred, Any, Union[Response, Request]]: + ) -> Generator[Deferred[Any], Any, Union[Response, Request]]: if response is None: raise TypeError("Received None in process_response") elif isinstance(response, Request): @@ -80,7 +87,7 @@ class DownloaderMiddlewareManager(MiddlewareManager): @inlineCallbacks def process_exception( failure: Failure, - ) -> Generator[Deferred, Any, Union[Failure, Response, Request]]: + ) -> Generator[Deferred[Any], Any, Union[Failure, Response, Request]]: exception = failure.value for method in self.methods["process_exception"]: method = cast(Callable, method) @@ -98,7 +105,9 @@ class DownloaderMiddlewareManager(MiddlewareManager): return response return failure - deferred = mustbe_deferred(process_request, request) + deferred: Deferred[Union[Response, Request]] = mustbe_deferred( + process_request, request + ) deferred.addErrback(process_exception) deferred.addCallback(process_response) return deferred diff --git a/scrapy/core/downloader/webclient.py b/scrapy/core/downloader/webclient.py index bb1f73805..08a1d7c71 100644 --- a/scrapy/core/downloader/webclient.py +++ b/scrapy/core/downloader/webclient.py @@ -8,7 +8,7 @@ from twisted.internet.protocol import ClientFactory from twisted.web.http import HTTPClient from scrapy import Request -from scrapy.http import Headers +from scrapy.http import Headers, Response from scrapy.responsetypes import responsetypes from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.python import to_bytes, to_unicode @@ -145,7 +145,7 @@ class ScrapyHTTPClientFactory(ClientFactory): self.response_headers: Optional[Headers] = None self.timeout: float = request.meta.get("download_timeout") or timeout self.start_time: float = time() - self.deferred: defer.Deferred = defer.Deferred().addCallback( + self.deferred: defer.Deferred[Response] = defer.Deferred().addCallback( self._build_response, request ) @@ -155,7 +155,7 @@ class ScrapyHTTPClientFactory(ClientFactory): # needed to add the callback _waitForDisconnect. # Specifically this avoids the AttributeError exception when # clientConnectionFailed method is called. - self._disconnectedDeferred: defer.Deferred = defer.Deferred() + self._disconnectedDeferred: defer.Deferred[None] = defer.Deferred() self._set_connection_attributes(request) diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index dededf99d..4ffec78b9 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -19,6 +19,7 @@ from typing import ( Optional, Set, Type, + TypeVar, Union, cast, ) @@ -43,10 +44,13 @@ from scrapy.utils.reactor import CallLaterOnce if TYPE_CHECKING: from scrapy.core.scheduler import BaseScheduler + from scrapy.core.scraper import _HandleOutputDeferred from scrapy.crawler import Crawler logger = logging.getLogger(__name__) +_T = TypeVar("_T") + class Slot: def __init__( @@ -56,7 +60,7 @@ class Slot: nextcall: CallLaterOnce[None], scheduler: BaseScheduler, ) -> None: - self.closing: Optional[Deferred] = None + self.closing: Optional[Deferred[None]] = None self.inprogress: Set[Request] = set() self.start_requests: Optional[Iterator[Request]] = iter(start_requests) self.close_if_idle: bool = close_if_idle @@ -71,7 +75,7 @@ class Slot: self.inprogress.remove(request) self._maybe_fire_closing() - def close(self) -> Deferred: + def close(self) -> Deferred[None]: self.closing = Deferred() self._maybe_fire_closing() return self.closing @@ -123,20 +127,20 @@ class ExecutionEngine: return scheduler_cls @inlineCallbacks - def start(self) -> Generator[Deferred, Any, None]: + def start(self) -> Generator[Deferred[Any], Any, None]: if self.running: raise RuntimeError("Engine already running") self.start_time = time() yield self.signals.send_catch_log_deferred(signal=signals.engine_started) self.running = True - self._closewait: Deferred = Deferred() + self._closewait: Deferred[None] = Deferred() yield self._closewait - def stop(self) -> Deferred: + def stop(self) -> Deferred[None]: """Gracefully stop the execution engine""" @inlineCallbacks - def _finish_stopping_engine(_: Any) -> Generator[Deferred, Any, None]: + def _finish_stopping_engine(_: Any) -> Generator[Deferred[Any], Any, None]: yield self.signals.send_catch_log_deferred(signal=signals.engine_stopped) self._closewait.callback(None) @@ -151,7 +155,7 @@ class ExecutionEngine: ) return dfd.addBoth(_finish_stopping_engine) - def close(self) -> Deferred: + def close(self) -> Deferred[None]: """ Gracefully close the execution engine. If it has already been started, stop it. In all cases, close the spider and the downloader. @@ -214,7 +218,7 @@ class ExecutionEngine: or self.scraper.slot.needs_backout() ) - def _next_request_from_scheduler(self) -> Optional[Deferred]: + def _next_request_from_scheduler(self) -> Optional[Deferred[None]]: assert self.slot is not None # typing assert self.spider is not None # typing @@ -222,7 +226,7 @@ class ExecutionEngine: if request is None: return None - d = self._download(request) + d: Deferred[Union[Response, Request]] = self._download(request) d.addBoth(self._handle_downloader_output, request) d.addErrback( lambda f: logger.info( @@ -236,8 +240,8 @@ class ExecutionEngine: assert self.slot self.slot.remove_request(request) - d.addBoth(_remove_request) - d.addErrback( + d2: Deferred[None] = d.addBoth(_remove_request) + d2.addErrback( lambda f: logger.info( "Error while removing request from slot", exc_info=failure_to_exc_info(f), @@ -245,19 +249,19 @@ class ExecutionEngine: ) ) slot = self.slot - d.addBoth(lambda _: slot.nextcall.schedule()) - d.addErrback( + d2.addBoth(lambda _: slot.nextcall.schedule()) + d2.addErrback( lambda f: logger.info( "Error while scheduling new request", exc_info=failure_to_exc_info(f), extra={"spider": self.spider}, ) ) - return d + return d2 def _handle_downloader_output( self, result: Union[Request, Response, Failure], request: Request - ) -> Optional[Deferred]: + ) -> Optional[_HandleOutputDeferred]: assert self.spider is not None # typing if not isinstance(result, (Request, Response, Failure)): @@ -319,20 +323,23 @@ class ExecutionEngine: signals.request_dropped, request=request, spider=spider ) - def download(self, request: Request) -> Deferred: + def download(self, request: Request) -> Deferred[Response]: """Return a Deferred which fires with a Response as result, only downloader middlewares are applied""" if self.spider is None: raise RuntimeError(f"No open spider to crawl: {request}") - return self._download(request).addBoth(self._downloaded, request) + d: Deferred[Union[Response, Request]] = self._download(request) + # Deferred.addBoth() overloads don't seem to support a Union[_T, Deferred[_T]] return type + d2: Deferred[Response] = d.addBoth(self._downloaded, request) # type: ignore[arg-type] + return d2 def _downloaded( self, result: Union[Response, Request, Failure], request: Request - ) -> Union[Deferred, Response, Failure]: + ) -> Union[Deferred[Response], Response, Failure]: assert self.slot is not None # typing self.slot.remove_request(request) return self.download(result) if isinstance(result, Request) else result - def _download(self, request: Request) -> Deferred: + def _download(self, request: Request) -> Deferred[Union[Response, Request]]: assert self.slot is not None # typing self.slot.add_request(request) @@ -359,13 +366,15 @@ class ExecutionEngine: ) return result - def _on_complete(_: Any) -> Any: + def _on_complete(_: _T) -> _T: assert self.slot is not None self.slot.nextcall.schedule() return _ assert self.spider is not None - dwld = self.downloader.fetch(request, self.spider) + dwld: Deferred[Union[Response, Request]] = self.downloader.fetch( + request, self.spider + ) dwld.addCallback(_on_success) dwld.addBoth(_on_complete) return dwld @@ -376,7 +385,7 @@ class ExecutionEngine: spider: Spider, start_requests: Iterable[Request] = (), close_if_idle: bool = True, - ) -> Generator[Deferred, Any, None]: + ) -> Generator[Deferred[Any], Any, None]: if self.slot is not None: raise RuntimeError(f"No free spider slot when opening {spider.name!r}") logger.info("Spider opened", extra={"spider": spider}) @@ -422,7 +431,7 @@ class ExecutionEngine: assert isinstance(ex, CloseSpider) # typing self.close_spider(self.spider, reason=ex.reason) - def close_spider(self, spider: Spider, reason: str = "cancelled") -> Deferred: + def close_spider(self, spider: Spider, reason: str = "cancelled") -> Deferred[None]: """Close (cancel) spider and clear all its outstanding requests""" if self.slot is None: raise RuntimeError("Engine slot not assigned") diff --git a/scrapy/core/scheduler.py b/scrapy/core/scheduler.py index e3b95e977..1e586c53a 100644 --- a/scrapy/core/scheduler.py +++ b/scrapy/core/scheduler.py @@ -71,7 +71,7 @@ class BaseScheduler(metaclass=BaseSchedulerMeta): """ return cls() - def open(self, spider: Spider) -> Optional[Deferred]: + def open(self, spider: Spider) -> Optional[Deferred[None]]: """ Called when the spider is opened by the engine. It receives the spider instance as argument and it's useful to execute initialization code. @@ -81,7 +81,7 @@ class BaseScheduler(metaclass=BaseSchedulerMeta): """ pass - def close(self, reason: str) -> Optional[Deferred]: + def close(self, reason: str) -> Optional[Deferred[None]]: """ Called when the spider is closed by the engine. It receives the reason why the crawl finished as argument and it's useful to execute cleaning code. @@ -216,7 +216,7 @@ class Scheduler(BaseScheduler): def has_pending_requests(self) -> bool: return len(self) > 0 - def open(self, spider: Spider) -> Optional[Deferred]: + def open(self, spider: Spider) -> Optional[Deferred[None]]: """ (1) initialize the memory queue (2) initialize the disk queue if the ``jobdir`` attribute is a valid directory @@ -227,7 +227,7 @@ class Scheduler(BaseScheduler): self.dqs: Optional[ScrapyPriorityQueue] = self._dq() if self.dqdir else None return self.df.open() - def close(self, reason: str) -> Optional[Deferred]: + def close(self, reason: str) -> Optional[Deferred[None]]: """ (1) dump pending requests to disk if there is a disk queue (2) return the result of the dupefilter's ``close`` method diff --git a/scrapy/core/scraper.py b/scrapy/core/scraper.py index 3b7492838..8a9e8f687 100644 --- a/scrapy/core/scraper.py +++ b/scrapy/core/scraper.py @@ -12,6 +12,7 @@ from typing import ( Deque, Generator, Iterable, + Iterator, Optional, Set, Tuple, @@ -33,6 +34,7 @@ from scrapy.logformatter import LogFormatter from scrapy.pipelines import ItemPipelineManager from scrapy.signalmanager import SignalManager from scrapy.utils.defer import ( + DeferredListResultListT, aiter_errback, defer_fail, defer_succeed, @@ -48,13 +50,18 @@ if TYPE_CHECKING: from scrapy.crawler import Crawler -_T = TypeVar("_T") -QueueTuple = Tuple[Union[Response, Failure], Request, Deferred] - - logger = logging.getLogger(__name__) +_T = TypeVar("_T") +_ParallelResult = DeferredListResultListT[Iterator[Any]] + +if TYPE_CHECKING: + # parameterized Deferreds require Twisted 21.7.0 + _HandleOutputDeferred = Deferred[Union[_ParallelResult, None]] + QueueTuple = Tuple[Union[Response, Failure], Request, _HandleOutputDeferred] + + class Slot: """Scraper slot (one per running spider)""" @@ -66,12 +73,12 @@ class Slot: self.active: Set[Request] = set() self.active_size: int = 0 self.itemproc_size: int = 0 - self.closing: Optional[Deferred] = None + self.closing: Optional[Deferred[Spider]] = None def add_response_request( self, result: Union[Response, Failure], request: Request - ) -> Deferred: - deferred: Deferred = Deferred() + ) -> _HandleOutputDeferred: + deferred: _HandleOutputDeferred = Deferred() self.queue.append((result, request, deferred)) if isinstance(result, Response): self.active_size += max(len(result.body), self.MIN_RESPONSE_SIZE) @@ -117,12 +124,12 @@ class Scraper: self.logformatter: LogFormatter = crawler.logformatter @inlineCallbacks - def open_spider(self, spider: Spider) -> Generator[Deferred, Any, None]: + def open_spider(self, spider: Spider) -> Generator[Deferred[Any], Any, None]: """Open the given spider for scraping and allocate resources for it""" self.slot = Slot(self.crawler.settings.getint("SCRAPER_SLOT_MAX_ACTIVE_SIZE")) yield self.itemproc.open_spider(spider) - def close_spider(self, spider: Spider) -> Deferred: + def close_spider(self, spider: Spider) -> Deferred[Spider]: """Close a spider being scraped and release its resources""" if self.slot is None: raise RuntimeError("Scraper slot not assigned") @@ -142,12 +149,12 @@ class Scraper: def enqueue_scrape( self, result: Union[Response, Failure], request: Request, spider: Spider - ) -> Deferred: + ) -> _HandleOutputDeferred: if self.slot is None: raise RuntimeError("Scraper slot not assigned") dfd = self.slot.add_response_request(result, request) - def finish_scraping(_: Any) -> Any: + def finish_scraping(_: _T) -> _T: assert self.slot is not None self.slot.finish_response(result, request) self._check_if_closing(spider) @@ -174,7 +181,7 @@ class Scraper: def _scrape( self, result: Union[Response, Failure], request: Request, spider: Spider - ) -> Deferred: + ) -> _HandleOutputDeferred: """ Handle the downloaded response or failure through the spider callback/errback """ @@ -182,32 +189,35 @@ class Scraper: raise TypeError( f"Incorrect type: expected Response or Failure, got {type(result)}: {result!r}" ) - dfd = self._scrape2( + dfd: Deferred[Union[Iterable[Any], AsyncIterable[Any]]] = self._scrape2( result, request, spider ) # returns spider's processed output dfd.addErrback(self.handle_spider_error, request, result, spider) - dfd.addCallback( + dfd2: _HandleOutputDeferred = dfd.addCallback( self.handle_spider_output, request, cast(Response, result), spider ) - return dfd + return dfd2 def _scrape2( self, result: Union[Response, Failure], request: Request, spider: Spider - ) -> Deferred: + ) -> Deferred[Union[Iterable[Any], AsyncIterable[Any]]]: """ Handle the different cases of request's result been a Response or a Failure """ if isinstance(result, Response): - return self.spidermw.scrape_response( + # Deferreds are invariant so Mutable*Chain isn't matched to *Iterable + return self.spidermw.scrape_response( # type: ignore[return-value] self.call_spider, result, request, spider ) # else result is a Failure dfd = self.call_spider(result, request, spider) - return dfd.addErrback(self._log_download_errors, result, request, spider) + dfd.addErrback(self._log_download_errors, result, request, spider) + return dfd def call_spider( self, result: Union[Response, Failure], request: Request, spider: Spider - ) -> Deferred: + ) -> Deferred[Union[Iterable[Any], AsyncIterable[Any]]]: + dfd: Deferred[Any] if isinstance(result, Response): if getattr(result, "request", None) is None: result.request = request @@ -225,7 +235,10 @@ class Scraper: if request.errback: warn_on_generator_with_return_value(spider, request.errback) dfd.addErrback(request.errback) - return dfd.addCallback(iterate_spider_output) + dfd2: Deferred[Union[Iterable[Any], AsyncIterable[Any]]] = dfd.addCallback( + iterate_spider_output + ) + return dfd2 def handle_spider_error( self, @@ -262,10 +275,11 @@ class Scraper: request: Request, response: Response, spider: Spider, - ) -> Deferred: + ) -> _HandleOutputDeferred: if not result: return defer_succeed(None) it: Union[Iterable[_T], AsyncIterable[_T]] + dfd: Deferred[_ParallelResult] if isinstance(result, AsyncIterable): it = aiter_errback( result, self.handle_spider_error, request, response, spider @@ -290,11 +304,12 @@ class Scraper: response, spider, ) - return dfd + # returning Deferred[_ParallelResult] instead of Deferred[Union[_ParallelResult, None]] + return dfd # type: ignore[return-value] def _process_spidermw_output( self, output: Any, request: Request, response: Response, spider: Spider - ) -> Optional[Deferred]: + ) -> Optional[Deferred[Any]]: """Process each Request/Item (given in the output parameter) returned from the given spider """ diff --git a/scrapy/core/spidermw.py b/scrapy/core/spidermw.py index 58873f0d9..e792f8ca7 100644 --- a/scrapy/core/spidermw.py +++ b/scrapy/core/spidermw.py @@ -45,7 +45,9 @@ logger = logging.getLogger(__name__) _T = TypeVar("_T") -ScrapeFunc = Callable[[Union[Response, Failure], Request, Spider], Any] +ScrapeFunc = Callable[ + [Union[Response, Failure], Request, Spider], Union[Iterable[_T], AsyncIterable[_T]] +] def _isiterable(o: Any) -> bool: @@ -80,7 +82,7 @@ class SpiderMiddlewareManager(MiddlewareManager): response: Response, request: Request, spider: Spider, - ) -> Any: + ) -> Union[Iterable[_T], AsyncIterable[_T]]: for method in self.methods["process_spider_input"]: method = cast(Callable, method) try: @@ -311,7 +313,7 @@ class SpiderMiddlewareManager(MiddlewareManager): response: Response, request: Request, spider: Spider, - ) -> Deferred: + ) -> Deferred[Union[MutableChain[_T], MutableAsyncChain[_T]]]: async def process_callback_output( result: Union[Iterable[_T], AsyncIterable[_T]] ) -> Union[MutableChain[_T], MutableAsyncChain[_T]]: @@ -322,12 +324,14 @@ class SpiderMiddlewareManager(MiddlewareManager): ) -> Union[Failure, MutableChain[_T], MutableAsyncChain[_T]]: return self._process_spider_exception(response, spider, _failure) - dfd: Deferred = mustbe_deferred( + dfd: Deferred[Union[Iterable[_T], AsyncIterable[_T]]] = mustbe_deferred( self._process_spider_input, scrape_func, response, request, spider ) - dfd.addCallback(deferred_f_from_coro_f(process_callback_output)) - dfd.addErrback(process_spider_exception) - return dfd + dfd2: Deferred[Union[MutableChain[_T], MutableAsyncChain[_T]]] = ( + dfd.addCallback(deferred_f_from_coro_f(process_callback_output)) + ) + dfd2.addErrback(process_spider_exception) + return dfd2 def process_start_requests( self, start_requests: Iterable[Request], spider: Spider diff --git a/scrapy/pipelines/__init__.py b/scrapy/pipelines/__init__.py index 0cfbc156f..21d649e3c 100644 --- a/scrapy/pipelines/__init__.py +++ b/scrapy/pipelines/__init__.py @@ -4,6 +4,8 @@ Item pipeline See documentation in docs/item-pipeline.rst """ +from __future__ import annotations + from typing import Any, List from twisted.internet.defer import Deferred @@ -29,5 +31,5 @@ class ItemPipelineManager(MiddlewareManager): deferred_f_from_coro_f(pipe.process_item) ) - def process_item(self, item: Any, spider: Spider) -> Deferred: + def process_item(self, item: Any, spider: Spider) -> Deferred[Any]: return self._process_chain("process_item", item, spider) diff --git a/scrapy/utils/defer.py b/scrapy/utils/defer.py index f60b7dde8..ddb68c86b 100644 --- a/scrapy/utils/defer.py +++ b/scrapy/utils/defer.py @@ -46,6 +46,12 @@ if TYPE_CHECKING: _P = ParamSpec("_P") _T = TypeVar("_T") +_T2 = TypeVar("_T2") + +# copied from twisted.internet.defer +_SelfResultT = TypeVar("_SelfResultT") +_DeferredListResultItemT = Tuple[bool, _SelfResultT] +DeferredListResultListT = List[_DeferredListResultItemT[_SelfResultT]] def defer_fail(_failure: Failure) -> Deferred: @@ -62,7 +68,7 @@ def defer_fail(_failure: Failure) -> Deferred: return d -def defer_succeed(result: Any) -> Deferred: +def defer_succeed(result: _T) -> Deferred[_T]: """Same as twisted.internet.defer.succeed but delay calling callback until next reactor loop @@ -128,10 +134,10 @@ def mustbe_deferred( def parallel( iterable: Iterable[_T], count: int, - callable: Callable[Concatenate[_T, _P], Any], + callable: Callable[Concatenate[_T, _P], _T2], *args: _P.args, **named: _P.kwargs, -) -> Deferred: +) -> Deferred[DeferredListResultListT[Iterator[_T2]]]: """Execute a callable over the objects in the given iterable, in parallel, using no more than ``count`` concurrent calls. @@ -191,12 +197,12 @@ class _AsyncCooperatorAdapter(Iterator[Deferred]): def __init__( self, aiterable: AsyncIterable[_T], - callable: Callable[Concatenate[_T, _P], Any], + callable: Callable[Concatenate[_T, _P], _T2], *callable_args: _P.args, **callable_kwargs: _P.kwargs, ): self.aiterator: AsyncIterator[_T] = aiterable.__aiter__() - self.callable: Callable[Concatenate[_T, _P], Any] = callable + self.callable: Callable[Concatenate[_T, _P], _T2] = callable self.callable_args: Tuple[Any, ...] = callable_args self.callable_kwargs: Dict[str, Any] = callable_kwargs self.finished: bool = False @@ -249,10 +255,10 @@ class _AsyncCooperatorAdapter(Iterator[Deferred]): def parallel_async( async_iterable: AsyncIterable[_T], count: int, - callable: Callable[Concatenate[_T, _P], Any], + callable: Callable[Concatenate[_T, _P], _T2], *args: _P.args, **named: _P.kwargs, -) -> Deferred: +) -> Deferred[DeferredListResultListT[Iterator[_T2]]]: """Like parallel but for async iterators""" coop = Cooperator() work = _AsyncCooperatorAdapter(async_iterable, callable, *args, **named) diff --git a/tests/test_downloadermiddleware.py b/tests/test_downloadermiddleware.py index 0155c62eb..dd3f8ceb9 100644 --- a/tests/test_downloadermiddleware.py +++ b/tests/test_downloadermiddleware.py @@ -36,7 +36,7 @@ class ManagerTestCase(TestCase): if not response: response = Response(request.url) - def download_func(**kwargs): + def download_func(request, spider): return response dfd = self.mwman.download(download_func, request, self.spider) From 365c9e62ad9e99725eb1898cbd2806c63105cd58 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 17 Jun 2024 14:37:11 +0500 Subject: [PATCH 226/786] Removing empty example reference (#6402) Co-authored-by: Michael Duane Mooring --- docs/topics/link-extractors.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/topics/link-extractors.rst b/docs/topics/link-extractors.rst index 1201c926d..f9744ed16 100644 --- a/docs/topics/link-extractors.rst +++ b/docs/topics/link-extractors.rst @@ -85,7 +85,7 @@ LxmlLinkExtractor :param restrict_xpaths: is an XPath (or list of XPath's) which defines regions inside the response where links should be extracted from. If given, only the text selected by those XPath will be scanned for - links. See examples below. + links. :type restrict_xpaths: str or list :param restrict_css: a CSS selector (or list of selectors) which defines From a364560fadbbc0dd7cca78670bbd9d3c00d4d366 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 17 Jun 2024 14:38:10 +0500 Subject: [PATCH 227/786] Unpin markupsafe in extra-deps. (#6403) --- tox.ini | 3 --- 1 file changed, 3 deletions(-) diff --git a/tox.ini b/tox.ini index 023a86c5a..d665fc5a5 100644 --- a/tox.ini +++ b/tox.ini @@ -147,9 +147,6 @@ deps = {[testenv]deps} boto3 google-cloud-storage - # Twisted[http2] currently forces old mitmproxy because of h2 version - # restrictions in their deps, so we need to pin old markupsafe here too. - markupsafe < 2.1.0 robotexclusionrulesparser Pillow Twisted[http2] From d13219062500eae1a6d5330ceea3502590cd89cb Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 19 Jun 2024 23:26:25 +0500 Subject: [PATCH 228/786] flake8-debugger --- .pre-commit-config.yaml | 2 ++ scrapy/extensions/debug.py | 2 +- scrapy/utils/console.py | 4 ++-- 3 files changed, 5 insertions(+), 3 deletions(-) diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml index 63da5544d..eb3404b7f 100644 --- a/.pre-commit-config.yaml +++ b/.pre-commit-config.yaml @@ -8,6 +8,8 @@ repos: rev: 7.0.0 hooks: - id: flake8 + additional_dependencies: + - flake8-debugger - repo: https://github.com/psf/black.git rev: 24.2.0 hooks: diff --git a/scrapy/extensions/debug.py b/scrapy/extensions/debug.py index a0fc7b99f..b360ce48d 100644 --- a/scrapy/extensions/debug.py +++ b/scrapy/extensions/debug.py @@ -74,4 +74,4 @@ class Debugger: def _enter_debugger(self, signum: int, frame: Optional[FrameType]) -> None: assert frame - Pdb().set_trace(frame.f_back) + Pdb().set_trace(frame.f_back) # noqa: T100 diff --git a/scrapy/utils/console.py b/scrapy/utils/console.py index bf1803115..328219831 100644 --- a/scrapy/utils/console.py +++ b/scrapy/utils/console.py @@ -10,10 +10,10 @@ def _embed_ipython_shell( ) -> EmbedFuncT: """Start an IPython Shell""" try: - from IPython.terminal.embed import InteractiveShellEmbed + from IPython.terminal.embed import InteractiveShellEmbed # noqa: T100 from IPython.terminal.ipapp import load_default_config except ImportError: - from IPython.frontend.terminal.embed import ( # type: ignore[no-redef] + from IPython.frontend.terminal.embed import ( # type: ignore[no-redef] # noqa: T100 InteractiveShellEmbed, ) from IPython.frontend.terminal.ipapp import ( # type: ignore[no-redef] From a617e04d2eb89b64f15df7a6a0326bfaf57f8dde Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 19 Jun 2024 23:28:58 +0500 Subject: [PATCH 229/786] flake8-string-format --- .flake8 | 8 ++++++-- .pre-commit-config.yaml | 1 + 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/.flake8 b/.flake8 index cf1a96476..b6048c9ee 100644 --- a/.flake8 +++ b/.flake8 @@ -1,8 +1,12 @@ [flake8] max-line-length = 119 -ignore = E203, E501, E701, E704, W503 - +ignore = + E203, E501, E701, E704, W503 + # docstring does contain unindexed parameters + P102 + # other string does contain unindexed parameters + P103 exclude = docs/conf.py diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml index eb3404b7f..47a3df53d 100644 --- a/.pre-commit-config.yaml +++ b/.pre-commit-config.yaml @@ -10,6 +10,7 @@ repos: - id: flake8 additional_dependencies: - flake8-debugger + - flake8-string-format - repo: https://github.com/psf/black.git rev: 24.2.0 hooks: From 1c70d3e60555084b4bec9dfd794adb93b24b2171 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 19 Jun 2024 23:36:36 +0500 Subject: [PATCH 230/786] flake8-comprehensions --- .pre-commit-config.yaml | 1 + scrapy/extensions/feedexport.py | 2 +- tests/test_commands.py | 2 +- tests/test_feedexport.py | 10 +++++----- tests/test_loader.py | 6 ++---- tests/test_loader_deprecated.py | 4 ++-- tests/test_scheduler.py | 2 +- tests/test_spider.py | 18 +++++++++--------- 8 files changed, 22 insertions(+), 23 deletions(-) diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml index 47a3df53d..974d397c8 100644 --- a/.pre-commit-config.yaml +++ b/.pre-commit-config.yaml @@ -9,6 +9,7 @@ repos: hooks: - id: flake8 additional_dependencies: + - flake8-comprehensions - flake8-debugger - flake8-string-format - repo: https://github.com/psf/black.git diff --git a/scrapy/extensions/feedexport.py b/scrapy/extensions/feedexport.py index de8a288f6..941bd4b26 100644 --- a/scrapy/extensions/feedexport.py +++ b/scrapy/extensions/feedexport.py @@ -104,7 +104,7 @@ class ItemFilter: for item_class in feed_options.get("item_classes") or () ) else: - self.item_classes = tuple() + self.item_classes = () def accepts(self, item: Any) -> bool: """ diff --git a/tests/test_commands.py b/tests/test_commands.py index 857a56b73..d829b1701 100644 --- a/tests/test_commands.py +++ b/tests/test_commands.py @@ -200,7 +200,7 @@ def get_permissions_dict( path_obj = Path(path) - renamings = renamings or tuple() + renamings = renamings or () permissions_dict = { ".": get_permissions(path_obj), } diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py index 3771df8f1..253987e15 100644 --- a/tests/test_feedexport.py +++ b/tests/test_feedexport.py @@ -1356,7 +1356,7 @@ class FeedExportTest(FeedExportTestBase): @defer.inlineCallbacks def test_export_encoding(self): - items = [dict({"foo": "Test\xd6"})] + items = [{"foo": "Test\xd6"}] formats = { "json": b'[{"foo": "Test\\u00d6"}]', @@ -1401,7 +1401,7 @@ class FeedExportTest(FeedExportTestBase): @defer.inlineCallbacks def test_export_multiple_configs(self): - items = [dict({"foo": "FOO", "bar": "BAR"})] + items = [{"foo": "FOO", "bar": "BAR"}] formats = { "json": b'[\n{"bar": "BAR"}\n]', @@ -2513,8 +2513,8 @@ class BatchDeliveriesTest(FeedExportTestBase): @defer.inlineCallbacks def test_export_multiple_configs(self): items = [ - dict({"foo": "FOO", "bar": "BAR"}), - dict({"foo": "FOO1", "bar": "BAR1"}), + {"foo": "FOO", "bar": "BAR"}, + {"foo": "FOO1", "bar": "BAR1"}, ] formats = { @@ -2574,7 +2574,7 @@ class BatchDeliveriesTest(FeedExportTestBase): @defer.inlineCallbacks def test_batch_item_count_feeds_setting(self): - items = [dict({"foo": "FOO"}), dict({"foo": "FOO1"})] + items = [{"foo": "FOO"}, {"foo": "FOO1"}] formats = { "json": [ b'[{"foo": "FOO"}]', diff --git a/tests/test_loader.py b/tests/test_loader.py index b0b7f8723..8db929dcf 100644 --- a/tests/test_loader.py +++ b/tests/test_loader.py @@ -156,7 +156,7 @@ class InitializationTestMixin: self.assertEqual(il.get_output_value("name"), ["foo"]) loaded_item = il.load_item() self.assertIsInstance(loaded_item, self.item_class) - self.assertEqual(ItemAdapter(loaded_item).asdict(), dict({"name": ["foo"]})) + self.assertEqual(ItemAdapter(loaded_item).asdict(), {"name": ["foo"]}) def test_get_output_value_list(self): """Getting output value must not remove value from item""" @@ -165,9 +165,7 @@ class InitializationTestMixin: self.assertEqual(il.get_output_value("name"), ["foo", "bar"]) loaded_item = il.load_item() self.assertIsInstance(loaded_item, self.item_class) - self.assertEqual( - ItemAdapter(loaded_item).asdict(), dict({"name": ["foo", "bar"]}) - ) + self.assertEqual(ItemAdapter(loaded_item).asdict(), {"name": ["foo", "bar"]}) def test_values_single(self): """Values from initial item must be added to loader._values""" diff --git a/tests/test_loader_deprecated.py b/tests/test_loader_deprecated.py index 528efa142..0d245bec9 100644 --- a/tests/test_loader_deprecated.py +++ b/tests/test_loader_deprecated.py @@ -526,7 +526,7 @@ class InitializationFromDictTest(unittest.TestCase): self.assertEqual(il.get_output_value("name"), ["foo"]) loaded_item = il.load_item() self.assertIsInstance(loaded_item, self.item_class) - self.assertEqual(loaded_item, dict({"name": ["foo"]})) + self.assertEqual(loaded_item, {"name": ["foo"]}) def test_get_output_value_list(self): """Getting output value must not remove value from item""" @@ -535,7 +535,7 @@ class InitializationFromDictTest(unittest.TestCase): self.assertEqual(il.get_output_value("name"), ["foo", "bar"]) loaded_item = il.load_item() self.assertIsInstance(loaded_item, self.item_class) - self.assertEqual(loaded_item, dict({"name": ["foo", "bar"]})) + self.assertEqual(loaded_item, {"name": ["foo", "bar"]}) def test_values_single(self): """Values from initial item must be added to loader._values""" diff --git a/tests/test_scheduler.py b/tests/test_scheduler.py index 02b50baa3..9b7bad4bf 100644 --- a/tests/test_scheduler.py +++ b/tests/test_scheduler.py @@ -284,7 +284,7 @@ class DownloaderAwareSchedulerTestMixin: downloader.decrement(slot) self.assertTrue( - _is_scheduling_fair(list(s for u, s in _URLS_WITH_SLOTS), dequeued_slots) + _is_scheduling_fair([s for u, s in _URLS_WITH_SLOTS], dequeued_slots) ) self.assertEqual(sum(len(s.active) for s in downloader.slots.values()), 0) diff --git a/tests/test_spider.py b/tests/test_spider.py index d629d33af..18a863350 100644 --- a/tests/test_spider.py +++ b/tests/test_spider.py @@ -244,7 +244,7 @@ class CrawlSpiderTest(SpiderTest): spider = _CrawlSpider() output = list(spider._requests_to_follow(response)) self.assertEqual(len(output), 3) - self.assertTrue(all(map(lambda r: isinstance(r, Request), output))) + self.assertTrue(all(isinstance(r, Request) for r in output)) self.assertEqual( [r.url for r in output], [ @@ -270,7 +270,7 @@ class CrawlSpiderTest(SpiderTest): spider = _CrawlSpider() output = list(spider._requests_to_follow(response)) self.assertEqual(len(output), 3) - self.assertTrue(all(map(lambda r: isinstance(r, Request), output))) + self.assertTrue(all(isinstance(r, Request) for r in output)) self.assertEqual( [r.url for r in output], [ @@ -299,7 +299,7 @@ class CrawlSpiderTest(SpiderTest): spider = _CrawlSpider() output = list(spider._requests_to_follow(response)) self.assertEqual(len(output), 2) - self.assertTrue(all(map(lambda r: isinstance(r, Request), output))) + self.assertTrue(all(isinstance(r, Request) for r in output)) self.assertEqual( [r.url for r in output], [ @@ -324,7 +324,7 @@ class CrawlSpiderTest(SpiderTest): spider = _CrawlSpider() output = list(spider._requests_to_follow(response)) self.assertEqual(len(output), 3) - self.assertTrue(all(map(lambda r: isinstance(r, Request), output))) + self.assertTrue(all(isinstance(r, Request) for r in output)) self.assertEqual( [r.url for r in output], [ @@ -352,7 +352,7 @@ class CrawlSpiderTest(SpiderTest): spider = _CrawlSpider() output = list(spider._requests_to_follow(response)) self.assertEqual(len(output), 3) - self.assertTrue(all(map(lambda r: isinstance(r, Request), output))) + self.assertTrue(all(isinstance(r, Request) for r in output)) self.assertEqual( [r.url for r in output], [ @@ -383,7 +383,7 @@ class CrawlSpiderTest(SpiderTest): spider = _CrawlSpider() output = list(spider._requests_to_follow(response)) self.assertEqual(len(output), 3) - self.assertTrue(all(map(lambda r: isinstance(r, Request), output))) + self.assertTrue(all(isinstance(r, Request) for r in output)) self.assertEqual( [r.url for r in output], [ @@ -413,7 +413,7 @@ class CrawlSpiderTest(SpiderTest): spider = _CrawlSpider() output = list(spider._requests_to_follow(response)) self.assertEqual(len(output), 3) - self.assertTrue(all(map(lambda r: isinstance(r, Request), output))) + self.assertTrue(all(isinstance(r, Request) for r in output)) self.assertEqual( [r.url for r in output], [ @@ -445,7 +445,7 @@ class CrawlSpiderTest(SpiderTest): spider = _CrawlSpider() output = list(spider._requests_to_follow(response)) self.assertEqual(len(output), 3) - self.assertTrue(all(map(lambda r: isinstance(r, Request), output))) + self.assertTrue(all(isinstance(r, Request) for r in output)) self.assertEqual( [r.url for r in output], [ @@ -637,7 +637,7 @@ Sitemap: /sitemap-relative-url.xml class FilteredSitemapSpider(self.spider_class): def sitemap_filter(self, entries): for entry in entries: - alternate_links = entry.get("alternate", tuple()) + alternate_links = entry.get("alternate", ()) for link in alternate_links: if "/deutsch/" in link: entry["loc"] = link From 1ef9c337cad36ac6c80eab86622f8ae9fc8d1075 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 19 Jun 2024 23:57:40 +0500 Subject: [PATCH 231/786] flake8-docstrings --- .flake8 | 33 +++++++++++++++++++++++++++++++++ .pre-commit-config.yaml | 1 + tests/test_dupefilters.py | 2 +- tests/test_linkextractors.py | 2 +- 4 files changed, 36 insertions(+), 2 deletions(-) diff --git a/.flake8 b/.flake8 index b6048c9ee..222ba7179 100644 --- a/.flake8 +++ b/.flake8 @@ -2,11 +2,44 @@ max-line-length = 119 ignore = + # black disagrees with flake8 about these E203, E501, E701, E704, W503 # docstring does contain unindexed parameters P102 # other string does contain unindexed parameters P103 + # Missing docstring in public module + D100 + # Missing docstring in public class + D101 + # Missing docstring in public method + D102 + # Missing docstring in public function + D103 + # Missing docstring in public package + D104 + # Missing docstring in magic method + D105 + # Missing docstring in public nested class + D106 + # Missing docstring in __init__ + D107 + # One-line docstring should fit on one line with quotes + D200 + # No blank lines allowed after function docstring + D202 + # 1 blank line required between summary line and description + D205 + # Multi-line docstring closing quotes should be on a separate line + D209 + # First line should end with a period + D400 + # First line should be in imperative mood; try rephrasing + D401 + # First line should not be the function's "signature" + D402 + # First word of the first line should be properly capitalized + D403 exclude = docs/conf.py diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml index 974d397c8..6b60eff68 100644 --- a/.pre-commit-config.yaml +++ b/.pre-commit-config.yaml @@ -11,6 +11,7 @@ repos: additional_dependencies: - flake8-comprehensions - flake8-debugger + - flake8-docstrings - flake8-string-format - repo: https://github.com/psf/black.git rev: 24.2.0 diff --git a/tests/test_dupefilters.py b/tests/test_dupefilters.py index aa0975555..f617fc027 100644 --- a/tests/test_dupefilters.py +++ b/tests/test_dupefilters.py @@ -146,7 +146,7 @@ class RFPDupeFilterTest(unittest.TestCase): case_insensitive_dupefilter.close("finished") def test_seenreq_newlines(self): - """Checks against adding duplicate \r to + r"""Checks against adding duplicate \r to line endings on Windows platforms.""" r1 = Request("http://scrapytest.org/1") diff --git a/tests/test_linkextractors.py b/tests/test_linkextractors.py index d9c09a16a..b1043c111 100644 --- a/tests/test_linkextractors.py +++ b/tests/test_linkextractors.py @@ -186,7 +186,7 @@ class Base: ) def test_nofollow(self): - '''Test the extractor's behaviour for links with rel="nofollow"''' + """Test the extractor's behaviour for links with rel='nofollow'""" html = b"""Page title<title> <body> From 3d8dbd5648406227c9b96736da62046b90c554e5 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 20 Jun 2024 00:22:43 +0500 Subject: [PATCH 232/786] flake8-bugbear --- .flake8 | 15 +++++++++++++++ .pre-commit-config.yaml | 1 + scrapy/pipelines/media.py | 2 +- scrapy/utils/defer.py | 2 +- scrapy/utils/python.py | 2 +- scrapy/utils/signal.py | 5 ++++- tests/test_cmdline/__init__.py | 2 +- tests/test_command_version.py | 4 ++-- tests/test_commands.py | 2 +- tests/test_downloader_handlers.py | 2 +- tests/test_engine.py | 2 +- tests/test_request_dict.py | 2 +- 12 files changed, 30 insertions(+), 11 deletions(-) diff --git a/.flake8 b/.flake8 index 222ba7179..57117d2cf 100644 --- a/.flake8 +++ b/.flake8 @@ -4,6 +4,21 @@ max-line-length = 119 ignore = # black disagrees with flake8 about these E203, E501, E701, E704, W503 + # Assigning to `os.environ` doesn't clear the environment. + B003 + # Do not use mutable data structures for argument defaults. + B006 + # Loop control variable not used within the loop body. + B007 + # Do not perform function calls in argument defaults. + B008 + # return/continue/break inside finally blocks cause exceptions to be + # silenced. + B012 + # Star-arg unpacking after a keyword argument is strongly discouraged + B026 + # No explicit stacklevel argument found. + B028 # docstring does contain unindexed parameters P102 # other string does contain unindexed parameters diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml index 6b60eff68..f70effc5d 100644 --- a/.pre-commit-config.yaml +++ b/.pre-commit-config.yaml @@ -9,6 +9,7 @@ repos: hooks: - id: flake8 additional_dependencies: + - flake8-bugbear - flake8-comprehensions - flake8-debugger - flake8-docstrings diff --git a/scrapy/pipelines/media.py b/scrapy/pipelines/media.py index 3e327105e..09e95cf5d 100644 --- a/scrapy/pipelines/media.py +++ b/scrapy/pipelines/media.py @@ -234,7 +234,7 @@ class MediaPipeline(ABC): # Exception Chaining (https://www.python.org/dev/peps/pep-3134/). context = getattr(result.value, "__context__", None) if isinstance(context, StopIteration): - setattr(result.value, "__context__", None) + result.value.__context__ = None info.downloading.remove(fp) info.downloaded[fp] = result # cache result diff --git a/scrapy/utils/defer.py b/scrapy/utils/defer.py index ddb68c86b..877eb4388 100644 --- a/scrapy/utils/defer.py +++ b/scrapy/utils/defer.py @@ -407,7 +407,7 @@ def maybeDeferred_coro( """Copy of defer.maybeDeferred that also converts coroutines to Deferreds.""" try: result = f(*args, **kw) - except: # noqa: E722 + except: # noqa: E722,B001 return defer.fail(failure.Failure(captureVars=Deferred.debug)) if isinstance(result, Deferred): diff --git a/scrapy/utils/python.py b/scrapy/utils/python.py index 059d8e04d..f56950fdd 100644 --- a/scrapy/utils/python.py +++ b/scrapy/utils/python.py @@ -269,7 +269,7 @@ def get_spec(func: Callable[..., Any]) -> Tuple[List[str], Dict[str, Any]]: if inspect.isfunction(func) or inspect.ismethod(func): spec = inspect.getfullargspec(func) - elif hasattr(func, "__call__"): + elif hasattr(func, "__call__"): # noqa: B004 spec = inspect.getfullargspec(func.__call__) else: raise TypeError(f"{type(func)} is not callable") diff --git a/scrapy/utils/signal.py b/scrapy/utils/signal.py index 89cfbd2ec..bb6d807ee 100644 --- a/scrapy/utils/signal.py +++ b/scrapy/utils/signal.py @@ -100,7 +100,10 @@ def send_catch_log_deferred( d.addErrback(logerror, receiver) # TODO https://pylint.readthedocs.io/en/latest/user_guide/messages/warning/cell-var-from-loop.html d.addBoth( - lambda result: (receiver, result) # pylint: disable=cell-var-from-loop + lambda result: ( + receiver, # pylint: disable=cell-var-from-loop # noqa: B023 + result, + ) ) dfds.append(d) d = DeferredList(dfds) diff --git a/tests/test_cmdline/__init__.py b/tests/test_cmdline/__init__.py index 25ded143c..4835e936b 100644 --- a/tests/test_cmdline/__init__.py +++ b/tests/test_cmdline/__init__.py @@ -20,7 +20,7 @@ class CmdlineTest(unittest.TestCase): self.env["SCRAPY_SETTINGS_MODULE"] = "tests.test_cmdline.settings" def _execute(self, *new_args, **kwargs): - encoding = getattr(sys.stdout, "encoding") or "utf-8" + encoding = sys.stdout.encoding or "utf-8" args = (sys.executable, "-m", "scrapy.cmdline") + new_args proc = Popen(args, stdout=PIPE, stderr=PIPE, env=self.env, **kwargs) comm = proc.communicate()[0].strip() diff --git a/tests/test_command_version.py b/tests/test_command_version.py index a52d0d13c..18c1c531c 100644 --- a/tests/test_command_version.py +++ b/tests/test_command_version.py @@ -12,7 +12,7 @@ class VersionTest(ProcessTest, unittest.TestCase): @defer.inlineCallbacks def test_output(self): - encoding = getattr(sys.stdout, "encoding") or "utf-8" + encoding = sys.stdout.encoding or "utf-8" _, out, _ = yield self.execute([]) self.assertEqual( out.strip().decode(encoding), @@ -21,7 +21,7 @@ class VersionTest(ProcessTest, unittest.TestCase): @defer.inlineCallbacks def test_verbose_output(self): - encoding = getattr(sys.stdout, "encoding") or "utf-8" + encoding = sys.stdout.encoding or "utf-8" _, out, _ = yield self.execute(["-v"]) headers = [ line.partition(":")[0].strip() diff --git a/tests/test_commands.py b/tests/test_commands.py index d829b1701..a23b7f4a9 100644 --- a/tests/test_commands.py +++ b/tests/test_commands.py @@ -101,7 +101,7 @@ class ProjectTest(unittest.TestCase): def kill_proc(): p.kill() p.communicate() - assert False, "Command took too much time to complete" + raise AssertionError("Command took too much time to complete") timer = Timer(15, kill_proc) try: diff --git a/tests/test_downloader_handlers.py b/tests/test_downloader_handlers.py index d3fd63847..884491d01 100644 --- a/tests/test_downloader_handlers.py +++ b/tests/test_downloader_handlers.py @@ -892,7 +892,7 @@ class S3TestCase(unittest.TestCase): except Exception as e: self.assertIsInstance(e, (TypeError, NotConfigured)) else: - assert False + raise AssertionError() def test_request_signing1(self): # gets an object from the johnsmith bucket. diff --git a/tests/test_engine.py b/tests/test_engine.py index 33544e8db..86526420f 100644 --- a/tests/test_engine.py +++ b/tests/test_engine.py @@ -459,7 +459,7 @@ class EngineTest(unittest.TestCase): def kill_proc(): p.kill() p.communicate() - assert False, "Command took too much time to complete" + raise AssertionError("Command took too much time to complete") timer = Timer(15, kill_proc) try: diff --git a/tests/test_request_dict.py b/tests/test_request_dict.py index 7312eb036..d3f416347 100644 --- a/tests/test_request_dict.py +++ b/tests/test_request_dict.py @@ -147,7 +147,7 @@ class RequestSerializationTest(unittest.TestCase): spider = MySpider() r = Request("http://www.example.com", callback=spider.parse) - setattr(spider, "parse", None) + spider.parse = None self.assertRaises(ValueError, r.to_dict, spider=spider) def test_callback_not_available(self): From 13d3b1af470bbe7e82fda51017f0f72cb8eed9dd Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 20 Jun 2024 00:42:43 +0500 Subject: [PATCH 233/786] Split ignores into blocks. --- .flake8 | 3 +++ 1 file changed, 3 insertions(+) diff --git a/.flake8 b/.flake8 index 57117d2cf..be9d83eaf 100644 --- a/.flake8 +++ b/.flake8 @@ -4,6 +4,7 @@ max-line-length = 119 ignore = # black disagrees with flake8 about these E203, E501, E701, E704, W503 + # Assigning to `os.environ` doesn't clear the environment. B003 # Do not use mutable data structures for argument defaults. @@ -19,10 +20,12 @@ ignore = B026 # No explicit stacklevel argument found. B028 + # docstring does contain unindexed parameters P102 # other string does contain unindexed parameters P103 + # Missing docstring in public module D100 # Missing docstring in public class From 326e323e11a7f5fc760250be6eae23d0159f6429 Mon Sep 17 00:00:00 2001 From: mlmsmith <mlmsmith@hotmail.co.uk> Date: Fri, 21 Jun 2024 18:24:10 +0800 Subject: [PATCH 234/786] Apply grammar fixes (#6411) --- docs/intro/overview.rst | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/docs/intro/overview.rst b/docs/intro/overview.rst index 542760b4f..ef1294470 100644 --- a/docs/intro/overview.rst +++ b/docs/intro/overview.rst @@ -44,13 +44,13 @@ https://quotes.toscrape.com, following the pagination: if next_page is not None: yield response.follow(next_page, self.parse) -Put this in a text file, name it to something like ``quotes_spider.py`` +Put this in a text file, name it something like ``quotes_spider.py`` and run the spider using the :command:`runspider` command:: scrapy runspider quotes_spider.py -o quotes.jsonl When this finishes you will have in the ``quotes.jsonl`` file a list of the -quotes in JSON Lines format, containing text and author, looking like this:: +quotes in JSON Lines format, containing the text and author, which will look like this:: {"author": "Jane Austen", "text": "\u201cThe person, be it gentleman or lady, who has not pleasure in a good novel, must be intolerably stupid.\u201d"} {"author": "Steve Martin", "text": "\u201cA day without sunshine is like, you know, night.\u201d"} @@ -72,11 +72,11 @@ using a CSS Selector, yield a Python dict with the extracted quote text and auth look for a link to the next page and schedule another request using the same ``parse`` method as callback. -Here you notice one of the main advantages about Scrapy: requests are +Here you will notice one of the main advantages of Scrapy: requests are :ref:`scheduled and processed asynchronously <topics-architecture>`. This means that Scrapy doesn't need to wait for a request to be finished and processed, it can send another request or do other things in the meantime. This -also means that other requests can keep going even if some request fails or an +also means that other requests can keep going even if a request fails or an error happens while handling it. While this enables you to do very fast crawls (sending multiple concurrent From d08f559600f0bb45b916be158a06e033753d45f5 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 25 Jun 2024 13:20:59 +0500 Subject: [PATCH 235/786] Add flake8-type-checking. (#6413) --- .flake8 | 4 +++ .pre-commit-config.yaml | 1 + scrapy/addons.py | 9 ++++-- scrapy/cmdline.py | 3 +- scrapy/commands/__init__.py | 8 +++-- scrapy/commands/bench.py | 8 +++-- scrapy/commands/crawl.py | 8 +++-- scrapy/commands/fetch.py | 8 +++-- scrapy/commands/list.py | 8 +++-- scrapy/commands/parse.py | 9 ++++-- scrapy/commands/runspider.py | 12 ++++--- scrapy/commands/shell.py | 8 +++-- scrapy/contracts/__init__.py | 11 +++++-- scrapy/core/downloader/__init__.py | 5 +-- scrapy/core/downloader/contextfactory.py | 5 +-- scrapy/core/downloader/handlers/__init__.py | 6 ++-- scrapy/core/downloader/handlers/datauri.py | 8 +++-- scrapy/core/downloader/handlers/file.py | 9 ++++-- scrapy/core/downloader/handlers/ftp.py | 12 ++++--- scrapy/core/downloader/handlers/http10.py | 12 +++---- scrapy/core/downloader/handlers/http11.py | 11 ++++--- scrapy/core/downloader/handlers/http2.py | 16 +++++----- scrapy/core/downloader/handlers/s3.py | 13 ++++---- scrapy/core/downloader/middleware.py | 11 ++++--- scrapy/core/downloader/webclient.py | 8 +++-- scrapy/core/engine.py | 6 ++-- scrapy/core/http2/agent.py | 18 +++++++---- scrapy/core/http2/protocol.py | 21 ++++++++----- scrapy/core/http2/stream.py | 11 ++++--- scrapy/core/scheduler.py | 16 +++++----- scrapy/core/spidermw.py | 6 +++- scrapy/downloadermiddlewares/ajaxcrawl.py | 8 +++-- scrapy/downloadermiddlewares/cookies.py | 10 +++--- .../downloadermiddlewares/defaultheaders.py | 7 +++-- .../downloadermiddlewares/downloadtimeout.py | 5 +-- scrapy/downloadermiddlewares/httpauth.py | 5 +-- scrapy/downloadermiddlewares/httpcache.py | 13 ++++---- .../downloadermiddlewares/httpcompression.py | 6 ++-- scrapy/downloadermiddlewares/httpproxy.py | 7 +++-- scrapy/downloadermiddlewares/offsite.py | 6 ++-- scrapy/downloadermiddlewares/redirect.py | 8 +++-- scrapy/downloadermiddlewares/retry.py | 10 +++--- scrapy/downloadermiddlewares/robotstxt.py | 10 +++--- scrapy/downloadermiddlewares/stats.py | 9 +++--- scrapy/downloadermiddlewares/useragent.py | 5 +-- scrapy/dupefilters.py | 10 +++--- scrapy/extension.py | 8 +++-- scrapy/extensions/closespider.py | 10 +++--- scrapy/extensions/corestats.py | 5 +-- scrapy/extensions/debug.py | 7 +++-- scrapy/extensions/feedexport.py | 17 +++++----- scrapy/extensions/httpcache.py | 9 ++++-- scrapy/extensions/logstats.py | 6 ++-- scrapy/extensions/memdebug.py | 5 +-- scrapy/extensions/memusage.py | 4 ++- scrapy/extensions/periodic_log.py | 6 ++-- scrapy/extensions/spiderstate.py | 3 +- scrapy/extensions/statsmailer.py | 9 +++--- scrapy/extensions/telnet.py | 5 ++- scrapy/extensions/throttle.py | 8 +++-- scrapy/http/cookies.py | 6 ++-- scrapy/http/request/form.py | 3 +- scrapy/http/response/__init__.py | 7 +++-- scrapy/http/response/text.py | 3 +- scrapy/linkextractors/lxmlhtml.py | 13 ++++++-- scrapy/loader/__init__.py | 10 ++++-- scrapy/logformatter.py | 5 +-- scrapy/mail.py | 6 ++-- scrapy/middleware.py | 8 ++--- scrapy/pipelines/__init__.py | 12 ++++--- scrapy/pipelines/files.py | 31 ++++++++++--------- scrapy/pipelines/images.py | 11 ++++--- scrapy/pipelines/media.py | 10 +++--- scrapy/resolver.py | 3 +- scrapy/robotstxt.py | 3 +- scrapy/settings/__init__.py | 3 +- scrapy/signalmanager.py | 8 +++-- scrapy/spiderloader.py | 8 +++-- scrapy/spidermiddlewares/depth.py | 8 +++-- scrapy/spidermiddlewares/httperror.py | 10 +++--- scrapy/spidermiddlewares/offsite.py | 6 ++-- scrapy/spidermiddlewares/referer.py | 6 ++-- scrapy/spidermiddlewares/urllength.py | 6 ++-- scrapy/spiders/init.py | 8 +++-- scrapy/squeues.py | 8 +++-- scrapy/statscollectors.py | 10 +++--- scrapy/utils/decorators.py | 8 ++--- scrapy/utils/defer.py | 3 +- scrapy/utils/engine.py | 5 +-- scrapy/utils/gz.py | 8 +++-- scrapy/utils/httpobj.py | 10 ++++-- scrapy/utils/job.py | 9 ++++-- scrapy/utils/log.py | 3 +- scrapy/utils/misc.py | 4 ++- scrapy/utils/project.py | 5 +-- scrapy/utils/reactor.py | 8 +++-- scrapy/utils/spider.py | 10 +++--- scrapy/utils/ssl.py | 8 +++-- scrapy/utils/template.py | 8 +++-- scrapy/utils/test.py | 19 ++++++++++-- scrapy/utils/testproc.py | 6 ++-- tests/mockserver.py | 8 +++-- tests/test_feedexport.py | 8 +++-- tests/test_http2_client_protocol.py | 8 +++-- 104 files changed, 562 insertions(+), 300 deletions(-) diff --git a/.flake8 b/.flake8 index be9d83eaf..c4814f13a 100644 --- a/.flake8 +++ b/.flake8 @@ -1,6 +1,7 @@ [flake8] max-line-length = 119 +extend-select = TC, TC1 ignore = # black disagrees with flake8 about these E203, E501, E701, E704, W503 @@ -58,6 +59,9 @@ ignore = D402 # First word of the first line should be properly capitalized D403 + + # Annotation in typing.cast() should be a string literal + TC006 exclude = docs/conf.py diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml index f70effc5d..38526d720 100644 --- a/.pre-commit-config.yaml +++ b/.pre-commit-config.yaml @@ -14,6 +14,7 @@ repos: - flake8-debugger - flake8-docstrings - flake8-string-format + - flake8-type-checking - repo: https://github.com/psf/black.git rev: 24.2.0 hooks: diff --git a/scrapy/addons.py b/scrapy/addons.py index 65d7a0310..f9ec58cea 100644 --- a/scrapy/addons.py +++ b/scrapy/addons.py @@ -1,13 +1,16 @@ +from __future__ import annotations + import logging from typing import TYPE_CHECKING, Any, List from scrapy.exceptions import NotConfigured -from scrapy.settings import Settings from scrapy.utils.conf import build_component_list from scrapy.utils.misc import build_from_crawler, load_object if TYPE_CHECKING: from scrapy.crawler import Crawler + from scrapy.settings import Settings + logger = logging.getLogger(__name__) @@ -15,8 +18,8 @@ logger = logging.getLogger(__name__) class AddonManager: """This class facilitates loading and storing :ref:`topics-addons`.""" - def __init__(self, crawler: "Crawler") -> None: - self.crawler: "Crawler" = crawler + def __init__(self, crawler: Crawler) -> None: + self.crawler: Crawler = crawler self.addons: List[Any] = [] def load_settings(self, settings: Settings) -> None: diff --git a/scrapy/cmdline.py b/scrapy/cmdline.py index da0e51386..e010b159a 100644 --- a/scrapy/cmdline.py +++ b/scrapy/cmdline.py @@ -12,7 +12,6 @@ import scrapy from scrapy.commands import BaseRunSpiderCommand, ScrapyCommand, ScrapyHelpFormatter from scrapy.crawler import CrawlerProcess from scrapy.exceptions import UsageError -from scrapy.settings import BaseSettings, Settings from scrapy.utils.misc import walk_modules from scrapy.utils.project import get_project_settings, inside_project from scrapy.utils.python import garbage_collect @@ -21,6 +20,8 @@ if TYPE_CHECKING: # typing.ParamSpec requires Python 3.10 from typing_extensions import ParamSpec + from scrapy.settings import BaseSettings, Settings + _P = ParamSpec("_P") diff --git a/scrapy/commands/__init__.py b/scrapy/commands/__init__.py index 9fe803d3c..0322390e5 100644 --- a/scrapy/commands/__init__.py +++ b/scrapy/commands/__init__.py @@ -2,18 +2,22 @@ Base class for Scrapy commands """ +from __future__ import annotations + import argparse import builtins import os from pathlib import Path -from typing import Any, Dict, Iterable, List, Optional +from typing import TYPE_CHECKING, Any, Dict, Iterable, List, Optional from twisted.python import failure -from scrapy.crawler import Crawler, CrawlerProcess from scrapy.exceptions import UsageError from scrapy.utils.conf import arglist_to_dict, feed_process_params_from_cli +if TYPE_CHECKING: + from scrapy.crawler import Crawler, CrawlerProcess + class ScrapyCommand: requires_project: bool = False diff --git a/scrapy/commands/bench.py b/scrapy/commands/bench.py index 0c4ebcd23..f91fec57e 100644 --- a/scrapy/commands/bench.py +++ b/scrapy/commands/bench.py @@ -1,16 +1,20 @@ +from __future__ import annotations + import argparse import subprocess # nosec import sys import time -from typing import Any, Iterable, List +from typing import TYPE_CHECKING, Any, Iterable, List from urllib.parse import urlencode import scrapy -from scrapy import Request from scrapy.commands import ScrapyCommand from scrapy.http import Response, TextResponse from scrapy.linkextractors import LinkExtractor +if TYPE_CHECKING: + from scrapy import Request + class Command(ScrapyCommand): default_settings = { diff --git a/scrapy/commands/crawl.py b/scrapy/commands/crawl.py index 6e023af81..fe1864372 100644 --- a/scrapy/commands/crawl.py +++ b/scrapy/commands/crawl.py @@ -1,11 +1,15 @@ -import argparse -from typing import List, cast +from __future__ import annotations + +from typing import TYPE_CHECKING, List, cast from twisted.python.failure import Failure from scrapy.commands import BaseRunSpiderCommand from scrapy.exceptions import UsageError +if TYPE_CHECKING: + import argparse + class Command(BaseRunSpiderCommand): requires_project = True diff --git a/scrapy/commands/fetch.py b/scrapy/commands/fetch.py index 1acf2d26f..0bdc429da 100644 --- a/scrapy/commands/fetch.py +++ b/scrapy/commands/fetch.py @@ -1,6 +1,7 @@ +from __future__ import annotations + import sys -from argparse import ArgumentParser, Namespace -from typing import Dict, List, Type +from typing import TYPE_CHECKING, Dict, List, Type from w3lib.url import is_url @@ -11,6 +12,9 @@ from scrapy.http import Request, Response from scrapy.utils.datatypes import SequenceExclude from scrapy.utils.spider import DefaultSpider, spidercls_for_request +if TYPE_CHECKING: + from argparse import ArgumentParser, Namespace + class Command(ScrapyCommand): requires_project = False diff --git a/scrapy/commands/list.py b/scrapy/commands/list.py index dcc51a694..10330c92a 100644 --- a/scrapy/commands/list.py +++ b/scrapy/commands/list.py @@ -1,8 +1,12 @@ -import argparse -from typing import List +from __future__ import annotations + +from typing import TYPE_CHECKING, List from scrapy.commands import ScrapyCommand +if TYPE_CHECKING: + import argparse + class Command(ScrapyCommand): requires_project = True diff --git a/scrapy/commands/parse.py b/scrapy/commands/parse.py index 3320a1ee4..e6c5e2a47 100644 --- a/scrapy/commands/parse.py +++ b/scrapy/commands/parse.py @@ -6,6 +6,7 @@ import inspect import json import logging from typing import ( + TYPE_CHECKING, Any, AsyncGenerator, Callable, @@ -22,13 +23,11 @@ from typing import ( from itemadapter import ItemAdapter, is_item from twisted.internet.defer import Deferred, maybeDeferred -from twisted.python.failure import Failure from w3lib.url import is_url from scrapy.commands import BaseRunSpiderCommand from scrapy.exceptions import UsageError from scrapy.http import Request, Response -from scrapy.spiders import Spider from scrapy.utils import display from scrapy.utils.asyncgen import collect_asyncgen from scrapy.utils.defer import aiter_errback, deferred_from_coro @@ -36,6 +35,12 @@ from scrapy.utils.log import failure_to_exc_info from scrapy.utils.misc import arg_to_iter from scrapy.utils.spider import spidercls_for_request +if TYPE_CHECKING: + from twisted.python.failure import Failure + + from scrapy.spiders import Spider + + logger = logging.getLogger(__name__) _T = TypeVar("_T") diff --git a/scrapy/commands/runspider.py b/scrapy/commands/runspider.py index 77850e7b5..87acf9a01 100644 --- a/scrapy/commands/runspider.py +++ b/scrapy/commands/runspider.py @@ -1,17 +1,21 @@ +from __future__ import annotations + import argparse import sys from importlib import import_module -from os import PathLike from pathlib import Path -from types import ModuleType -from typing import List, Union +from typing import TYPE_CHECKING, List, Union from scrapy.commands import BaseRunSpiderCommand from scrapy.exceptions import UsageError from scrapy.utils.spider import iter_spider_classes +if TYPE_CHECKING: + from os import PathLike + from types import ModuleType -def _import_file(filepath: Union[str, PathLike]) -> ModuleType: + +def _import_file(filepath: Union[str, PathLike[str]]) -> ModuleType: abspath = Path(filepath).resolve() if abspath.suffix not in (".py", ".pyw"): raise ValueError(f"Not a Python source file: {abspath}") diff --git a/scrapy/commands/shell.py b/scrapy/commands/shell.py index 668c95a7b..f03cf997a 100644 --- a/scrapy/commands/shell.py +++ b/scrapy/commands/shell.py @@ -4,9 +4,10 @@ Scrapy Shell See documentation in docs/topics/shell.rst """ -from argparse import ArgumentParser, Namespace +from __future__ import annotations + from threading import Thread -from typing import Any, Dict, List, Type +from typing import TYPE_CHECKING, Any, Dict, List, Type from scrapy import Spider from scrapy.commands import ScrapyCommand @@ -15,6 +16,9 @@ from scrapy.shell import Shell from scrapy.utils.spider import DefaultSpider, spidercls_for_request from scrapy.utils.url import guess_scheme +if TYPE_CHECKING: + from argparse import ArgumentParser, Namespace + class Command(ScrapyCommand): requires_project = False diff --git a/scrapy/contracts/__init__.py b/scrapy/contracts/__init__.py index 27bc2fcba..440e0dc44 100644 --- a/scrapy/contracts/__init__.py +++ b/scrapy/contracts/__init__.py @@ -1,9 +1,12 @@ +from __future__ import annotations + import re import sys from functools import wraps from inspect import getmembers from types import CoroutineType from typing import ( + TYPE_CHECKING, Any, AsyncGenerator, Callable, @@ -16,13 +19,15 @@ from typing import ( ) from unittest import TestCase, TestResult -from twisted.python.failure import Failure - -from scrapy import Spider from scrapy.http import Request, Response from scrapy.utils.python import get_spec from scrapy.utils.spider import iterate_spider_output +if TYPE_CHECKING: + from twisted.python.failure import Failure + + from scrapy import Spider + class Contract: """Abstract class for contracts""" diff --git a/scrapy/core/downloader/__init__.py b/scrapy/core/downloader/__init__.py index 41f729ed9..6786d7acf 100644 --- a/scrapy/core/downloader/__init__.py +++ b/scrapy/core/downloader/__init__.py @@ -25,15 +25,16 @@ from scrapy import Request, Spider, signals from scrapy.core.downloader.handlers import DownloadHandlers from scrapy.core.downloader.middleware import DownloaderMiddlewareManager from scrapy.exceptions import ScrapyDeprecationWarning -from scrapy.http import Response from scrapy.resolver import dnscache -from scrapy.settings import BaseSettings from scrapy.signalmanager import SignalManager from scrapy.utils.defer import mustbe_deferred from scrapy.utils.httpobj import urlparse_cached if TYPE_CHECKING: from scrapy.crawler import Crawler + from scrapy.http import Response + from scrapy.settings import BaseSettings + _T = TypeVar("_T") diff --git a/scrapy/core/downloader/contextfactory.py b/scrapy/core/downloader/contextfactory.py index 9f6edb630..2b388a9f5 100644 --- a/scrapy/core/downloader/contextfactory.py +++ b/scrapy/core/downloader/contextfactory.py @@ -21,8 +21,6 @@ from scrapy.core.downloader.tls import ( ScrapyClientTLSOptions, openssl_methods, ) -from scrapy.crawler import Crawler -from scrapy.settings import BaseSettings from scrapy.utils.misc import build_from_crawler, load_object if TYPE_CHECKING: @@ -31,6 +29,9 @@ if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.crawler import Crawler + from scrapy.settings import BaseSettings + @implementer(IPolicyForHTTPS) class ScrapyClientContextFactory(BrowserLikePolicyForHTTPS): diff --git a/scrapy/core/downloader/handlers/__init__.py b/scrapy/core/downloader/handlers/__init__.py index ebc4898b5..70d356b83 100644 --- a/scrapy/core/downloader/handlers/__init__.py +++ b/scrapy/core/downloader/handlers/__init__.py @@ -17,17 +17,19 @@ from typing import ( ) from twisted.internet import defer -from twisted.internet.defer import Deferred from scrapy import Request, Spider, signals from scrapy.exceptions import NotConfigured, NotSupported -from scrapy.http import Response from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.misc import build_from_crawler, load_object from scrapy.utils.python import without_none_values if TYPE_CHECKING: + from twisted.internet.defer import Deferred + from scrapy.crawler import Crawler + from scrapy.http import Response + logger = logging.getLogger(__name__) diff --git a/scrapy/core/downloader/handlers/datauri.py b/scrapy/core/downloader/handlers/datauri.py index a7ae56a85..bf6879521 100644 --- a/scrapy/core/downloader/handlers/datauri.py +++ b/scrapy/core/downloader/handlers/datauri.py @@ -1,12 +1,16 @@ -from typing import Any, Dict +from __future__ import annotations + +from typing import TYPE_CHECKING, Any, Dict from w3lib.url import parse_data_uri -from scrapy import Request, Spider from scrapy.http import Response, TextResponse from scrapy.responsetypes import responsetypes from scrapy.utils.decorators import defers +if TYPE_CHECKING: + from scrapy import Request, Spider + class DataURIDownloadHandler: lazy = False diff --git a/scrapy/core/downloader/handlers/file.py b/scrapy/core/downloader/handlers/file.py index 17dd7483b..d55c516f0 100644 --- a/scrapy/core/downloader/handlers/file.py +++ b/scrapy/core/downloader/handlers/file.py @@ -1,12 +1,17 @@ +from __future__ import annotations + from pathlib import Path +from typing import TYPE_CHECKING from w3lib.url import file_uri_to_path -from scrapy import Request, Spider -from scrapy.http import Response from scrapy.responsetypes import responsetypes from scrapy.utils.decorators import defers +if TYPE_CHECKING: + from scrapy import Request, Spider + from scrapy.http import Response + class FileDownloadHandler: lazy = False diff --git a/scrapy/core/downloader/handlers/ftp.py b/scrapy/core/downloader/handlers/ftp.py index 724717ffd..69c2d88e1 100644 --- a/scrapy/core/downloader/handlers/ftp.py +++ b/scrapy/core/downloader/handlers/ftp.py @@ -35,23 +35,25 @@ from io import BytesIO from typing import TYPE_CHECKING, Any, BinaryIO, Dict, Optional from urllib.parse import unquote -from twisted.internet.defer import Deferred from twisted.internet.protocol import ClientCreator, Protocol from twisted.protocols.ftp import CommandFailed, FTPClient -from twisted.python.failure import Failure -from scrapy import Request, Spider -from scrapy.crawler import Crawler from scrapy.http import Response from scrapy.responsetypes import responsetypes -from scrapy.settings import BaseSettings from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.python import to_bytes if TYPE_CHECKING: + from twisted.internet.defer import Deferred + from twisted.python.failure import Failure + # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy import Request, Spider + from scrapy.crawler import Crawler + from scrapy.settings import BaseSettings + class ReceivedDataProtocol(Protocol): def __init__(self, filename: Optional[str] = None): diff --git a/scrapy/core/downloader/handlers/http10.py b/scrapy/core/downloader/handlers/http10.py index 3c4e48abb..98f62efcf 100644 --- a/scrapy/core/downloader/handlers/http10.py +++ b/scrapy/core/downloader/handlers/http10.py @@ -5,21 +5,21 @@ from __future__ import annotations from typing import TYPE_CHECKING, Type -from twisted.internet.defer import Deferred - -from scrapy import Request, Spider -from scrapy.crawler import Crawler -from scrapy.http import Response -from scrapy.settings import BaseSettings from scrapy.utils.misc import build_from_crawler, load_object from scrapy.utils.python import to_unicode if TYPE_CHECKING: + from twisted.internet.defer import Deferred + # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy import Request, Spider from scrapy.core.downloader.contextfactory import ScrapyClientContextFactory from scrapy.core.downloader.webclient import ScrapyHTTPClientFactory + from scrapy.crawler import Crawler + from scrapy.http import Response + from scrapy.settings import BaseSettings class HTTP10DownloadHandler: diff --git a/scrapy/core/downloader/handlers/http11.py b/scrapy/core/downloader/handlers/http11.py index e2ad8f59a..c06d90f01 100644 --- a/scrapy/core/downloader/handlers/http11.py +++ b/scrapy/core/downloader/handlers/http11.py @@ -12,11 +12,9 @@ from typing import TYPE_CHECKING, Any, List, Optional, Tuple, TypedDict, TypeVar from urllib.parse import urldefrag, urlunparse from twisted.internet import ssl -from twisted.internet.base import ReactorBase from twisted.internet.defer import CancelledError, Deferred, succeed from twisted.internet.endpoints import TCP4ClientEndpoint from twisted.internet.error import TimeoutError -from twisted.internet.interfaces import IConsumer from twisted.internet.protocol import Factory, Protocol, connectionDone from twisted.python.failure import Failure from twisted.web.client import URI, Agent, HTTPConnectionPool @@ -30,17 +28,22 @@ from zope.interface import implementer from scrapy import Request, Spider, signals from scrapy.core.downloader.contextfactory import load_context_factory_from_settings from scrapy.core.downloader.webclient import _parse -from scrapy.crawler import Crawler from scrapy.exceptions import StopDownload from scrapy.http import Headers, Response from scrapy.responsetypes import responsetypes -from scrapy.settings import BaseSettings from scrapy.utils.python import to_bytes, to_unicode if TYPE_CHECKING: + from twisted.internet.base import ReactorBase + from twisted.internet.interfaces import IConsumer + # typing.NotRequired and typing.Self require Python 3.11 from typing_extensions import NotRequired, Self + from scrapy.crawler import Crawler + from scrapy.settings import BaseSettings + + logger = logging.getLogger(__name__) _T = TypeVar("_T") diff --git a/scrapy/core/downloader/handlers/http2.py b/scrapy/core/downloader/handlers/http2.py index 2ac4eca86..4722c612d 100644 --- a/scrapy/core/downloader/handlers/http2.py +++ b/scrapy/core/downloader/handlers/http2.py @@ -4,25 +4,27 @@ from time import time from typing import TYPE_CHECKING, Optional from urllib.parse import urldefrag -from twisted.internet.base import DelayedCall -from twisted.internet.defer import Deferred from twisted.internet.error import TimeoutError from twisted.web.client import URI -from twisted.web.iweb import IPolicyForHTTPS from scrapy.core.downloader.contextfactory import load_context_factory_from_settings from scrapy.core.downloader.webclient import _parse from scrapy.core.http2.agent import H2Agent, H2ConnectionPool, ScrapyProxyH2Agent -from scrapy.crawler import Crawler -from scrapy.http import Request, Response -from scrapy.settings import Settings -from scrapy.spiders import Spider from scrapy.utils.python import to_bytes if TYPE_CHECKING: + from twisted.internet.base import DelayedCall + from twisted.internet.defer import Deferred + from twisted.web.iweb import IPolicyForHTTPS + # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.crawler import Crawler + from scrapy.http import Request, Response + from scrapy.settings import Settings + from scrapy.spiders import Spider + class H2DownloadHandler: def __init__(self, settings: Settings, crawler: Crawler): diff --git a/scrapy/core/downloader/handlers/s3.py b/scrapy/core/downloader/handlers/s3.py index 0ad340721..edf370193 100644 --- a/scrapy/core/downloader/handlers/s3.py +++ b/scrapy/core/downloader/handlers/s3.py @@ -2,22 +2,23 @@ from __future__ import annotations from typing import TYPE_CHECKING, Any, Optional, Type -from twisted.internet.defer import Deferred - -from scrapy import Request, Spider from scrapy.core.downloader.handlers.http import HTTPDownloadHandler -from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured -from scrapy.http import Response -from scrapy.settings import BaseSettings from scrapy.utils.boto import is_botocore_available from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.misc import build_from_crawler if TYPE_CHECKING: + from twisted.internet.defer import Deferred + # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy import Request, Spider + from scrapy.crawler import Crawler + from scrapy.http import Response + from scrapy.settings import BaseSettings + class S3DownloadHandler: def __init__( diff --git a/scrapy/core/downloader/middleware.py b/scrapy/core/downloader/middleware.py index 2d8af114f..0bdb756c8 100644 --- a/scrapy/core/downloader/middleware.py +++ b/scrapy/core/downloader/middleware.py @@ -6,19 +6,22 @@ See documentation in docs/topics/downloader-middleware.rst from __future__ import annotations -from typing import Any, Callable, Generator, List, Union, cast +from typing import TYPE_CHECKING, Any, Callable, Generator, List, Union, cast from twisted.internet.defer import Deferred, inlineCallbacks -from twisted.python.failure import Failure -from scrapy import Spider from scrapy.exceptions import _InvalidOutput from scrapy.http import Request, Response from scrapy.middleware import MiddlewareManager -from scrapy.settings import BaseSettings from scrapy.utils.conf import build_component_list from scrapy.utils.defer import deferred_from_coro, mustbe_deferred +if TYPE_CHECKING: + from twisted.python.failure import Failure + + from scrapy import Spider + from scrapy.settings import BaseSettings + class DownloaderMiddlewareManager(MiddlewareManager): component_name = "downloader middleware" diff --git a/scrapy/core/downloader/webclient.py b/scrapy/core/downloader/webclient.py index 08a1d7c71..99502f0d2 100644 --- a/scrapy/core/downloader/webclient.py +++ b/scrapy/core/downloader/webclient.py @@ -1,18 +1,22 @@ +from __future__ import annotations + import re from time import time -from typing import Optional, Tuple +from typing import TYPE_CHECKING, Optional, Tuple from urllib.parse import ParseResult, urldefrag, urlparse, urlunparse from twisted.internet import defer from twisted.internet.protocol import ClientFactory from twisted.web.http import HTTPClient -from scrapy import Request from scrapy.http import Headers, Response from scrapy.responsetypes import responsetypes from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.python import to_bytes, to_unicode +if TYPE_CHECKING: + from scrapy import Request + def _parsed_url_args(parsed: ParseResult) -> Tuple[bytes, bytes, bytes, int, bytes]: # Assume parsed is urlparse-d from Request.url, diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index 4ffec78b9..5318cbd64 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -34,9 +34,8 @@ from scrapy.core.scraper import Scraper from scrapy.exceptions import CloseSpider, DontCloseSpider, IgnoreRequest from scrapy.http import Request, Response from scrapy.logformatter import LogFormatter -from scrapy.settings import BaseSettings, Settings +from scrapy.settings import Settings from scrapy.signalmanager import SignalManager -from scrapy.spiders import Spider from scrapy.utils.log import failure_to_exc_info, logformatter_adapter from scrapy.utils.misc import build_from_crawler, load_object from scrapy.utils.python import global_object_name @@ -46,6 +45,9 @@ if TYPE_CHECKING: from scrapy.core.scheduler import BaseScheduler from scrapy.core.scraper import _HandleOutputDeferred from scrapy.crawler import Crawler + from scrapy.settings import BaseSettings + from scrapy.spiders import Spider + logger = logging.getLogger(__name__) diff --git a/scrapy/core/http2/agent.py b/scrapy/core/http2/agent.py index 999764a6e..d291a5b8a 100644 --- a/scrapy/core/http2/agent.py +++ b/scrapy/core/http2/agent.py @@ -1,10 +1,10 @@ +from __future__ import annotations + from collections import deque -from typing import Deque, Dict, List, Optional, Tuple +from typing import TYPE_CHECKING, Deque, Dict, List, Optional, Tuple from twisted.internet import defer -from twisted.internet.base import ReactorBase from twisted.internet.defer import Deferred -from twisted.internet.endpoints import HostnameEndpoint from twisted.python.failure import Failure from twisted.web.client import ( URI, @@ -16,9 +16,15 @@ from twisted.web.error import SchemeNotSupported from scrapy.core.downloader.contextfactory import AcceptableProtocolsContextFactory from scrapy.core.http2.protocol import H2ClientFactory, H2ClientProtocol -from scrapy.http.request import Request -from scrapy.settings import Settings -from scrapy.spiders import Spider + +if TYPE_CHECKING: + from twisted.internet.base import ReactorBase + from twisted.internet.endpoints import HostnameEndpoint + + from scrapy.http.request import Request + from scrapy.settings import Settings + from scrapy.spiders import Spider + ConnectionKeyT = Tuple[bytes, bytes, int] diff --git a/scrapy/core/http2/protocol.py b/scrapy/core/http2/protocol.py index f2f1cb0b8..a6809102b 100644 --- a/scrapy/core/http2/protocol.py +++ b/scrapy/core/http2/protocol.py @@ -1,9 +1,10 @@ +from __future__ import annotations + import ipaddress import itertools import logging from collections import deque -from ipaddress import IPv4Address, IPv6Address -from typing import Any, Deque, Dict, List, Optional, Union +from typing import TYPE_CHECKING, Any, Deque, Dict, List, Optional, Union from h2.config import H2Configuration from h2.connection import H2Connection @@ -20,7 +21,6 @@ from h2.events import ( WindowUpdated, ) from h2.exceptions import FrameTooLargeError, H2Error -from twisted.internet.defer import Deferred from twisted.internet.error import TimeoutError from twisted.internet.interfaces import ( IAddress, @@ -30,14 +30,21 @@ from twisted.internet.interfaces import ( from twisted.internet.protocol import Factory, Protocol, connectionDone from twisted.internet.ssl import Certificate from twisted.protocols.policies import TimeoutMixin -from twisted.python.failure import Failure -from twisted.web.client import URI from zope.interface import implementer from scrapy.core.http2.stream import Stream, StreamCloseReason from scrapy.http import Request -from scrapy.settings import Settings -from scrapy.spiders import Spider + +if TYPE_CHECKING: + from ipaddress import IPv4Address, IPv6Address + + from twisted.internet.defer import Deferred + from twisted.python.failure import Failure + from twisted.web.client import URI + + from scrapy.settings import Settings + from scrapy.spiders import Spider + logger = logging.getLogger(__name__) diff --git a/scrapy/core/http2/stream.py b/scrapy/core/http2/stream.py index 7c70e86db..a02fbb328 100644 --- a/scrapy/core/http2/stream.py +++ b/scrapy/core/http2/stream.py @@ -1,3 +1,5 @@ +from __future__ import annotations + import logging from enum import Enum from io import BytesIO @@ -5,19 +7,20 @@ from typing import TYPE_CHECKING, Any, Dict, List, Optional, Tuple from h2.errors import ErrorCodes from h2.exceptions import H2Error, ProtocolError, StreamClosedError -from hpack import HeaderTuple from twisted.internet.defer import CancelledError, Deferred from twisted.internet.error import ConnectionClosed from twisted.python.failure import Failure from twisted.web.client import ResponseFailed -from scrapy.http import Request from scrapy.http.headers import Headers from scrapy.responsetypes import responsetypes from scrapy.utils.httpobj import urlparse_cached if TYPE_CHECKING: + from hpack import HeaderTuple + from scrapy.core.http2.protocol import H2ClientProtocol + from scrapy.http import Request logger = logging.getLogger(__name__) @@ -87,7 +90,7 @@ class Stream: self, stream_id: int, request: Request, - protocol: "H2ClientProtocol", + protocol: H2ClientProtocol, download_maxsize: int = 0, download_warnsize: int = 0, ) -> None: @@ -99,7 +102,7 @@ class Stream: """ self.stream_id: int = stream_id self._request: Request = request - self._protocol: "H2ClientProtocol" = protocol + self._protocol: H2ClientProtocol = protocol self._download_maxsize = self._request.meta.get( "download_maxsize", download_maxsize diff --git a/scrapy/core/scheduler.py b/scrapy/core/scheduler.py index 1e586c53a..d4286c874 100644 --- a/scrapy/core/scheduler.py +++ b/scrapy/core/scheduler.py @@ -6,14 +6,10 @@ from abc import abstractmethod from pathlib import Path from typing import TYPE_CHECKING, Any, List, Optional, Type, cast -from twisted.internet.defer import Deferred +# working around https://github.com/sphinx-doc/sphinx/issues/10400 +from twisted.internet.defer import Deferred # noqa: TC002 -from scrapy.crawler import Crawler -from scrapy.dupefilters import BaseDupeFilter -from scrapy.http.request import Request -from scrapy.pqueues import ScrapyPriorityQueue -from scrapy.spiders import Spider -from scrapy.statscollectors import StatsCollector +from scrapy.spiders import Spider # noqa: TC001 from scrapy.utils.job import job_dir from scrapy.utils.misc import build_from_crawler, load_object @@ -24,6 +20,12 @@ if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.crawler import Crawler + from scrapy.dupefilters import BaseDupeFilter + from scrapy.http.request import Request + from scrapy.pqueues import ScrapyPriorityQueue + from scrapy.statscollectors import StatsCollector + logger = logging.getLogger(__name__) diff --git a/scrapy/core/spidermw.py b/scrapy/core/spidermw.py index e792f8ca7..37a666605 100644 --- a/scrapy/core/spidermw.py +++ b/scrapy/core/spidermw.py @@ -10,6 +10,7 @@ import logging from inspect import isasyncgenfunction, iscoroutine from itertools import islice from typing import ( + TYPE_CHECKING, Any, AsyncIterable, Callable, @@ -30,7 +31,6 @@ from scrapy import Request, Spider from scrapy.exceptions import _InvalidOutput from scrapy.http import Response from scrapy.middleware import MiddlewareManager -from scrapy.settings import BaseSettings from scrapy.utils.asyncgen import as_async_generator, collect_asyncgen from scrapy.utils.conf import build_component_list from scrapy.utils.defer import ( @@ -41,6 +41,10 @@ from scrapy.utils.defer import ( ) from scrapy.utils.python import MutableAsyncChain, MutableChain +if TYPE_CHECKING: + from scrapy.settings import BaseSettings + + logger = logging.getLogger(__name__) diff --git a/scrapy/downloadermiddlewares/ajaxcrawl.py b/scrapy/downloadermiddlewares/ajaxcrawl.py index 0e757e4be..5fc7f31a3 100644 --- a/scrapy/downloadermiddlewares/ajaxcrawl.py +++ b/scrapy/downloadermiddlewares/ajaxcrawl.py @@ -6,16 +6,18 @@ from typing import TYPE_CHECKING, Union from w3lib import html -from scrapy import Request, Spider -from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured from scrapy.http import HtmlResponse, Response -from scrapy.settings import BaseSettings if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy import Request, Spider + from scrapy.crawler import Crawler + from scrapy.settings import BaseSettings + + logger = logging.getLogger(__name__) diff --git a/scrapy/downloadermiddlewares/cookies.py b/scrapy/downloadermiddlewares/cookies.py index 73c2c57fe..23140d263 100644 --- a/scrapy/downloadermiddlewares/cookies.py +++ b/scrapy/downloadermiddlewares/cookies.py @@ -2,24 +2,26 @@ from __future__ import annotations import logging from collections import defaultdict -from http.cookiejar import Cookie from typing import TYPE_CHECKING, Any, DefaultDict, Iterable, Optional, Sequence, Union from tldextract import TLDExtract -from scrapy import Request, Spider -from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured from scrapy.http import Response from scrapy.http.cookies import CookieJar -from scrapy.http.request import VerboseCookie from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.python import to_unicode if TYPE_CHECKING: + from http.cookiejar import Cookie + # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy import Request, Spider + from scrapy.crawler import Crawler + from scrapy.http.request import VerboseCookie + logger = logging.getLogger(__name__) diff --git a/scrapy/downloadermiddlewares/defaultheaders.py b/scrapy/downloadermiddlewares/defaultheaders.py index 58fd415b9..49b9fdc05 100644 --- a/scrapy/downloadermiddlewares/defaultheaders.py +++ b/scrapy/downloadermiddlewares/defaultheaders.py @@ -8,15 +8,16 @@ from __future__ import annotations from typing import TYPE_CHECKING, Iterable, Tuple, Union -from scrapy import Request, Spider -from scrapy.crawler import Crawler -from scrapy.http import Response from scrapy.utils.python import without_none_values if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy import Request, Spider + from scrapy.crawler import Crawler + from scrapy.http import Response + class DefaultHeadersMiddleware: def __init__(self, headers: Iterable[Tuple[str, str]]): diff --git a/scrapy/downloadermiddlewares/downloadtimeout.py b/scrapy/downloadermiddlewares/downloadtimeout.py index fd7c03a38..ee7a24825 100644 --- a/scrapy/downloadermiddlewares/downloadtimeout.py +++ b/scrapy/downloadermiddlewares/downloadtimeout.py @@ -9,13 +9,14 @@ from __future__ import annotations from typing import TYPE_CHECKING, Union from scrapy import Request, Spider, signals -from scrapy.crawler import Crawler -from scrapy.http import Response if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.crawler import Crawler + from scrapy.http import Response + class DownloadTimeoutMiddleware: def __init__(self, timeout: float = 180): diff --git a/scrapy/downloadermiddlewares/httpauth.py b/scrapy/downloadermiddlewares/httpauth.py index 63490a37a..39165e155 100644 --- a/scrapy/downloadermiddlewares/httpauth.py +++ b/scrapy/downloadermiddlewares/httpauth.py @@ -11,14 +11,15 @@ from typing import TYPE_CHECKING, Union from w3lib.http import basic_auth_header from scrapy import Request, Spider, signals -from scrapy.crawler import Crawler -from scrapy.http import Response from scrapy.utils.url import url_is_from_any_domain if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.crawler import Crawler + from scrapy.http import Response + class HttpAuthMiddleware: """Set Basic HTTP Authorization header diff --git a/scrapy/downloadermiddlewares/httpcache.py b/scrapy/downloadermiddlewares/httpcache.py index 971473403..8377a3c1d 100644 --- a/scrapy/downloadermiddlewares/httpcache.py +++ b/scrapy/downloadermiddlewares/httpcache.py @@ -16,19 +16,20 @@ from twisted.internet.error import ( from twisted.web.client import ResponseFailed from scrapy import signals -from scrapy.crawler import Crawler from scrapy.exceptions import IgnoreRequest, NotConfigured -from scrapy.http.request import Request -from scrapy.http.response import Response -from scrapy.settings import Settings -from scrapy.spiders import Spider -from scrapy.statscollectors import StatsCollector from scrapy.utils.misc import load_object if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.crawler import Crawler + from scrapy.http.request import Request + from scrapy.http.response import Response + from scrapy.settings import Settings + from scrapy.spiders import Spider + from scrapy.statscollectors import StatsCollector + class HttpCacheMiddleware: DOWNLOAD_EXCEPTIONS = ( diff --git a/scrapy/downloadermiddlewares/httpcompression.py b/scrapy/downloadermiddlewares/httpcompression.py index f3647e05f..6b0a56f7f 100644 --- a/scrapy/downloadermiddlewares/httpcompression.py +++ b/scrapy/downloadermiddlewares/httpcompression.py @@ -6,11 +6,9 @@ from logging import getLogger from typing import TYPE_CHECKING, Any, Dict, List, Optional, Tuple, Union from scrapy import Request, Spider, signals -from scrapy.crawler import Crawler from scrapy.exceptions import IgnoreRequest, NotConfigured from scrapy.http import Response, TextResponse from scrapy.responsetypes import responsetypes -from scrapy.statscollectors import StatsCollector from scrapy.utils._compression import ( _DecompressionMaxSizeExceeded, _inflate, @@ -24,6 +22,10 @@ if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.crawler import Crawler + from scrapy.statscollectors import StatsCollector + + logger = getLogger(__name__) ACCEPTED_ENCODINGS: List[bytes] = [b"gzip", b"deflate"] diff --git a/scrapy/downloadermiddlewares/httpproxy.py b/scrapy/downloadermiddlewares/httpproxy.py index 5b56ad449..a7af83f7d 100644 --- a/scrapy/downloadermiddlewares/httpproxy.py +++ b/scrapy/downloadermiddlewares/httpproxy.py @@ -9,10 +9,7 @@ from urllib.request import ( # type: ignore[attr-defined] proxy_bypass, ) -from scrapy import Request, Spider -from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured -from scrapy.http import Response from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.python import to_bytes @@ -20,6 +17,10 @@ if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy import Request, Spider + from scrapy.crawler import Crawler + from scrapy.http import Response + class HttpProxyMiddleware: def __init__(self, auth_encoding: Optional[str] = "latin-1"): diff --git a/scrapy/downloadermiddlewares/offsite.py b/scrapy/downloadermiddlewares/offsite.py index bd8dbe329..6f67e3975 100644 --- a/scrapy/downloadermiddlewares/offsite.py +++ b/scrapy/downloadermiddlewares/offsite.py @@ -6,15 +6,17 @@ import warnings from typing import TYPE_CHECKING, Set from scrapy import Request, Spider, signals -from scrapy.crawler import Crawler from scrapy.exceptions import IgnoreRequest -from scrapy.statscollectors import StatsCollector from scrapy.utils.httpobj import urlparse_cached if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.crawler import Crawler + from scrapy.statscollectors import StatsCollector + + logger = logging.getLogger(__name__) diff --git a/scrapy/downloadermiddlewares/redirect.py b/scrapy/downloadermiddlewares/redirect.py index 371e2fd3b..53081237c 100644 --- a/scrapy/downloadermiddlewares/redirect.py +++ b/scrapy/downloadermiddlewares/redirect.py @@ -6,11 +6,8 @@ from urllib.parse import urljoin from w3lib.url import safe_url_string -from scrapy import Request, Spider -from scrapy.crawler import Crawler from scrapy.exceptions import IgnoreRequest, NotConfigured from scrapy.http import HtmlResponse, Response -from scrapy.settings import BaseSettings from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.response import get_meta_refresh @@ -18,6 +15,11 @@ if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy import Request, Spider + from scrapy.crawler import Crawler + from scrapy.settings import BaseSettings + + logger = logging.getLogger(__name__) diff --git a/scrapy/downloadermiddlewares/retry.py b/scrapy/downloadermiddlewares/retry.py index 0637f09d4..8d7b7293c 100644 --- a/scrapy/downloadermiddlewares/retry.py +++ b/scrapy/downloadermiddlewares/retry.py @@ -16,12 +16,8 @@ import warnings from logging import Logger, getLogger from typing import TYPE_CHECKING, Any, Optional, Tuple, Type, Union -from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured, ScrapyDeprecationWarning -from scrapy.http import Response -from scrapy.http.request import Request from scrapy.settings import BaseSettings, Settings -from scrapy.spiders import Spider from scrapy.utils.misc import load_object from scrapy.utils.python import global_object_name from scrapy.utils.response import response_status_message @@ -30,6 +26,12 @@ if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.crawler import Crawler + from scrapy.http import Response + from scrapy.http.request import Request + from scrapy.spiders import Spider + + retry_logger = getLogger(__name__) diff --git a/scrapy/downloadermiddlewares/robotstxt.py b/scrapy/downloadermiddlewares/robotstxt.py index 6a0ecb7bf..70393576b 100644 --- a/scrapy/downloadermiddlewares/robotstxt.py +++ b/scrapy/downloadermiddlewares/robotstxt.py @@ -10,22 +10,24 @@ import logging from typing import TYPE_CHECKING, Any, Dict, Optional, Union from twisted.internet.defer import Deferred, maybeDeferred -from twisted.python.failure import Failure -from scrapy import Spider -from scrapy.crawler import Crawler from scrapy.exceptions import IgnoreRequest, NotConfigured from scrapy.http import Request, Response from scrapy.http.request import NO_CALLBACK -from scrapy.robotstxt import RobotParser from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.log import failure_to_exc_info from scrapy.utils.misc import load_object if TYPE_CHECKING: + from twisted.python.failure import Failure + # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy import Spider + from scrapy.crawler import Crawler + from scrapy.robotstxt import RobotParser + logger = logging.getLogger(__name__) diff --git a/scrapy/downloadermiddlewares/stats.py b/scrapy/downloadermiddlewares/stats.py index 444702757..0faae7b5a 100644 --- a/scrapy/downloadermiddlewares/stats.py +++ b/scrapy/downloadermiddlewares/stats.py @@ -4,11 +4,7 @@ from typing import TYPE_CHECKING, Dict, List, Tuple, Union from twisted.web import http -from scrapy import Request, Spider -from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured -from scrapy.http import Response -from scrapy.statscollectors import StatsCollector from scrapy.utils.python import global_object_name, to_bytes from scrapy.utils.request import request_httprepr @@ -16,6 +12,11 @@ if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy import Request, Spider + from scrapy.crawler import Crawler + from scrapy.http import Response + from scrapy.statscollectors import StatsCollector + def get_header_size( headers: Dict[str, Union[List[Union[str, bytes]], Tuple[Union[str, bytes], ...]]] diff --git a/scrapy/downloadermiddlewares/useragent.py b/scrapy/downloadermiddlewares/useragent.py index 92f1ec897..109f1a4d9 100644 --- a/scrapy/downloadermiddlewares/useragent.py +++ b/scrapy/downloadermiddlewares/useragent.py @@ -5,13 +5,14 @@ from __future__ import annotations from typing import TYPE_CHECKING, Union from scrapy import Request, Spider, signals -from scrapy.crawler import Crawler -from scrapy.http import Response if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.crawler import Crawler + from scrapy.http import Response + class UserAgentMiddleware: """This middleware allows spiders to override the user_agent""" diff --git a/scrapy/dupefilters.py b/scrapy/dupefilters.py index dd2420e98..ffaf783a7 100644 --- a/scrapy/dupefilters.py +++ b/scrapy/dupefilters.py @@ -4,11 +4,6 @@ import logging from pathlib import Path from typing import TYPE_CHECKING, Optional, Set -from twisted.internet.defer import Deferred - -from scrapy.http.request import Request -from scrapy.settings import BaseSettings -from scrapy.spiders import Spider from scrapy.utils.job import job_dir from scrapy.utils.request import ( RequestFingerprinter, @@ -17,10 +12,15 @@ from scrapy.utils.request import ( ) if TYPE_CHECKING: + from twisted.internet.defer import Deferred + # typing.Self requires Python 3.11 from typing_extensions import Self from scrapy.crawler import Crawler + from scrapy.http.request import Request + from scrapy.settings import BaseSettings + from scrapy.spiders import Spider class BaseDupeFilter: diff --git a/scrapy/extension.py b/scrapy/extension.py index 8221b675e..8c81ab356 100644 --- a/scrapy/extension.py +++ b/scrapy/extension.py @@ -4,12 +4,16 @@ The Extension Manager See documentation in docs/topics/extensions.rst """ -from typing import Any, List +from __future__ import annotations + +from typing import TYPE_CHECKING, Any, List from scrapy.middleware import MiddlewareManager -from scrapy.settings import Settings from scrapy.utils.conf import build_component_list +if TYPE_CHECKING: + from scrapy.settings import Settings + class ExtensionManager(MiddlewareManager): component_name = "extension" diff --git a/scrapy/extensions/closespider.py b/scrapy/extensions/closespider.py index 812b3553c..4627e7f98 100644 --- a/scrapy/extensions/closespider.py +++ b/scrapy/extensions/closespider.py @@ -10,17 +10,19 @@ import logging from collections import defaultdict from typing import TYPE_CHECKING, Any, DefaultDict, Dict -from twisted.python.failure import Failure - from scrapy import Request, Spider, signals -from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured -from scrapy.http import Response if TYPE_CHECKING: + from twisted.python.failure import Failure + # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.crawler import Crawler + from scrapy.http import Response + + logger = logging.getLogger(__name__) diff --git a/scrapy/extensions/corestats.py b/scrapy/extensions/corestats.py index f3ac19623..6ef2d0382 100644 --- a/scrapy/extensions/corestats.py +++ b/scrapy/extensions/corestats.py @@ -8,13 +8,14 @@ from datetime import datetime, timezone from typing import TYPE_CHECKING, Any, Optional from scrapy import Spider, signals -from scrapy.crawler import Crawler -from scrapy.statscollectors import StatsCollector if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.crawler import Crawler + from scrapy.statscollectors import StatsCollector + class CoreStats: def __init__(self, stats: StatsCollector): diff --git a/scrapy/extensions/debug.py b/scrapy/extensions/debug.py index b360ce48d..c54871e02 100644 --- a/scrapy/extensions/debug.py +++ b/scrapy/extensions/debug.py @@ -12,17 +12,20 @@ import sys import threading import traceback from pdb import Pdb -from types import FrameType from typing import TYPE_CHECKING, Optional -from scrapy.crawler import Crawler from scrapy.utils.engine import format_engine_status from scrapy.utils.trackref import format_live_refs if TYPE_CHECKING: + from types import FrameType + # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.crawler import Crawler + + logger = logging.getLogger(__name__) diff --git a/scrapy/extensions/feedexport.py b/scrapy/extensions/feedexport.py index 941bd4b26..43c2d2815 100644 --- a/scrapy/extensions/feedexport.py +++ b/scrapy/extensions/feedexport.py @@ -31,18 +31,15 @@ from typing import ( ) from urllib.parse import unquote, urlparse -from twisted.internet import threads from twisted.internet.defer import Deferred, DeferredList, maybeDeferred -from twisted.python.failure import Failure +from twisted.internet.threads import deferToThread from w3lib.url import file_uri_to_path from zope.interface import Interface, implementer from scrapy import Spider, signals -from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured, ScrapyDeprecationWarning -from scrapy.exporters import BaseItemExporter from scrapy.extensions.postprocessing import PostProcessingManager -from scrapy.settings import BaseSettings, Settings +from scrapy.settings import Settings from scrapy.utils.boto import is_botocore_available from scrapy.utils.conf import feed_complete_default_values_from_settings from scrapy.utils.defer import maybe_deferred_to_future @@ -54,11 +51,14 @@ from scrapy.utils.python import without_none_values if TYPE_CHECKING: from _typeshed import OpenBinaryMode + from twisted.python.failure import Failure # typing.Self requires Python 3.11 from typing_extensions import Self -logger = logging.getLogger(__name__) + from scrapy.crawler import Crawler + from scrapy.exporters import BaseItemExporter + from scrapy.settings import BaseSettings try: import boto3 # noqa: F401 @@ -67,6 +67,9 @@ try: except ImportError: IS_BOTO3_AVAILABLE = False + +logger = logging.getLogger(__name__) + UriParamsCallableT = Callable[[Dict[str, Any], Spider], Optional[Dict[str, Any]]] _StorageT = TypeVar("_StorageT", bound="FeedStorageProtocol") @@ -160,7 +163,7 @@ class BlockingFeedStorage: return NamedTemporaryFile(prefix="feed-", dir=path) def store(self, file: IO[bytes]) -> Optional[Deferred]: - return threads.deferToThread(self._store_in_thread, file) + return deferToThread(self._store_in_thread, file) def _store_in_thread(self, file: IO[bytes]) -> None: raise NotImplementedError diff --git a/scrapy/extensions/httpcache.py b/scrapy/extensions/httpcache.py index b7219bf07..448d5f1ab 100644 --- a/scrapy/extensions/httpcache.py +++ b/scrapy/extensions/httpcache.py @@ -1,3 +1,5 @@ +from __future__ import annotations + import gzip import logging import os @@ -13,10 +15,7 @@ from weakref import WeakKeyDictionary from w3lib.http import headers_dict_to_raw, headers_raw_to_dict from scrapy.http import Headers, Response -from scrapy.http.request import Request from scrapy.responsetypes import responsetypes -from scrapy.settings import BaseSettings -from scrapy.spiders import Spider from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.project import data_path from scrapy.utils.python import to_bytes, to_unicode @@ -26,6 +25,10 @@ if TYPE_CHECKING: # typing.Concatenate requires Python 3.10 from typing_extensions import Concatenate + from scrapy.http.request import Request + from scrapy.settings import BaseSettings + from scrapy.spiders import Spider + logger = logging.getLogger(__name__) diff --git a/scrapy/extensions/logstats.py b/scrapy/extensions/logstats.py index 2388afa75..c4f43482d 100644 --- a/scrapy/extensions/logstats.py +++ b/scrapy/extensions/logstats.py @@ -6,14 +6,16 @@ from typing import TYPE_CHECKING, Optional, Tuple, Union from twisted.internet import task from scrapy import Spider, signals -from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured -from scrapy.statscollectors import StatsCollector if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.crawler import Crawler + from scrapy.statscollectors import StatsCollector + + logger = logging.getLogger(__name__) diff --git a/scrapy/extensions/memdebug.py b/scrapy/extensions/memdebug.py index f304e1bf2..3cbbb64e5 100644 --- a/scrapy/extensions/memdebug.py +++ b/scrapy/extensions/memdebug.py @@ -10,15 +10,16 @@ import gc from typing import TYPE_CHECKING from scrapy import Spider, signals -from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured -from scrapy.statscollectors import StatsCollector from scrapy.utils.trackref import live_refs if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.crawler import Crawler + from scrapy.statscollectors import StatsCollector + class MemoryDebugger: def __init__(self, stats: StatsCollector): diff --git a/scrapy/extensions/memusage.py b/scrapy/extensions/memusage.py index 9de06b24d..25f63ecc6 100644 --- a/scrapy/extensions/memusage.py +++ b/scrapy/extensions/memusage.py @@ -16,7 +16,6 @@ from typing import TYPE_CHECKING, List from twisted.internet import task from scrapy import signals -from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured from scrapy.mail import MailSender from scrapy.utils.engine import get_engine_status @@ -25,6 +24,9 @@ if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.crawler import Crawler + + logger = logging.getLogger(__name__) diff --git a/scrapy/extensions/periodic_log.py b/scrapy/extensions/periodic_log.py index 9567f948a..80c0a3b26 100644 --- a/scrapy/extensions/periodic_log.py +++ b/scrapy/extensions/periodic_log.py @@ -8,15 +8,17 @@ from typing import TYPE_CHECKING, Any, Dict, List, Optional, Union from twisted.internet import task from scrapy import Spider, signals -from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured -from scrapy.statscollectors import StatsCollector from scrapy.utils.serialize import ScrapyJSONEncoder if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.crawler import Crawler + from scrapy.statscollectors import StatsCollector + + logger = logging.getLogger(__name__) diff --git a/scrapy/extensions/spiderstate.py b/scrapy/extensions/spiderstate.py index c6eb20277..567efd7a1 100644 --- a/scrapy/extensions/spiderstate.py +++ b/scrapy/extensions/spiderstate.py @@ -5,7 +5,6 @@ from pathlib import Path from typing import TYPE_CHECKING, Optional from scrapy import Spider, signals -from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured from scrapy.utils.job import job_dir @@ -13,6 +12,8 @@ if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.crawler import Crawler + class SpiderState: """Store and load spider state during a scraping job""" diff --git a/scrapy/extensions/statsmailer.py b/scrapy/extensions/statsmailer.py index 20b8f910c..e43de6f5c 100644 --- a/scrapy/extensions/statsmailer.py +++ b/scrapy/extensions/statsmailer.py @@ -8,18 +8,19 @@ from __future__ import annotations from typing import TYPE_CHECKING, List, Optional -from twisted.internet.defer import Deferred - from scrapy import Spider, signals -from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured from scrapy.mail import MailSender -from scrapy.statscollectors import StatsCollector if TYPE_CHECKING: + from twisted.internet.defer import Deferred + # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.crawler import Crawler + from scrapy.statscollectors import StatsCollector + class StatsMailer: def __init__(self, stats: StatsCollector, recipients: List[str], mail: MailSender): diff --git a/scrapy/extensions/telnet.py b/scrapy/extensions/telnet.py index 00c69434c..c4e01b3d9 100644 --- a/scrapy/extensions/telnet.py +++ b/scrapy/extensions/telnet.py @@ -26,7 +26,6 @@ except (ImportError, SyntaxError): TWISTED_CONCH_AVAILABLE = False from scrapy import signals -from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured from scrapy.utils.decorators import defers from scrapy.utils.engine import print_engine_status @@ -36,6 +35,10 @@ from scrapy.utils.trackref import print_live_refs if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + + from scrapy.crawler import Crawler + + logger = logging.getLogger(__name__) # signal to update telnet variables diff --git a/scrapy/extensions/throttle.py b/scrapy/extensions/throttle.py index 217e61a81..6ce9ce63a 100644 --- a/scrapy/extensions/throttle.py +++ b/scrapy/extensions/throttle.py @@ -4,15 +4,17 @@ import logging from typing import TYPE_CHECKING, Optional, Tuple from scrapy import Request, Spider, signals -from scrapy.core.downloader import Slot -from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured -from scrapy.http import Response if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.core.downloader import Slot + from scrapy.crawler import Crawler + from scrapy.http import Response + + logger = logging.getLogger(__name__) diff --git a/scrapy/http/cookies.py b/scrapy/http/cookies.py index 8af89c74f..cc88a9420 100644 --- a/scrapy/http/cookies.py +++ b/scrapy/http/cookies.py @@ -17,8 +17,6 @@ from typing import ( cast, ) -from scrapy import Request -from scrapy.http import Response from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.python import to_unicode @@ -26,6 +24,10 @@ if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy import Request + from scrapy.http import Response + + # Defined in the http.cookiejar module, but undocumented: # https://github.com/python/cpython/blob/v3.9.0/Lib/http/cookiejar.py#L527 IPV4_RE = re.compile(r"\.\d+$", re.ASCII) diff --git a/scrapy/http/request/form.py b/scrapy/http/request/form.py index ea98ed795..a8c242e8b 100644 --- a/scrapy/http/request/form.py +++ b/scrapy/http/request/form.py @@ -28,13 +28,14 @@ from lxml.html import TextareaElement # nosec from w3lib.html import strip_html5_whitespace from scrapy.http.request import Request -from scrapy.http.response.text import TextResponse from scrapy.utils.python import is_listlike, to_bytes if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.http.response.text import TextResponse + FormdataVType = Union[str, Iterable[str]] FormdataKVType = Tuple[str, FormdataVType] diff --git a/scrapy/http/response/__init__.py b/scrapy/http/response/__init__.py index 684439097..ff3581abb 100644 --- a/scrapy/http/response/__init__.py +++ b/scrapy/http/response/__init__.py @@ -7,7 +7,6 @@ See documentation in docs/topics/request-response.rst from __future__ import annotations -from ipaddress import IPv4Address, IPv6Address from typing import ( TYPE_CHECKING, Any, @@ -26,8 +25,6 @@ from typing import ( ) from urllib.parse import urljoin -from twisted.internet.ssl import Certificate - from scrapy.exceptions import NotSupported from scrapy.http.headers import Headers from scrapy.http.request import CookiesT, Request @@ -35,6 +32,10 @@ from scrapy.link import Link from scrapy.utils.trackref import object_ref if TYPE_CHECKING: + from ipaddress import IPv4Address, IPv6Address + + from twisted.internet.ssl import Certificate + # typing.Self requires Python 3.11 from typing_extensions import Self diff --git a/scrapy/http/response/text.py b/scrapy/http/response/text.py index df4d90829..0635f744f 100644 --- a/scrapy/http/response/text.py +++ b/scrapy/http/response/text.py @@ -35,15 +35,16 @@ from w3lib.encoding import ( ) from w3lib.html import strip_html5_whitespace -from scrapy.http.request import CookiesT, Request from scrapy.http.response import Response from scrapy.link import Link from scrapy.utils.python import memoizemethod_noargs, to_unicode from scrapy.utils.response import get_base_url if TYPE_CHECKING: + from scrapy.http.request import CookiesT, Request from scrapy.selector import Selector, SelectorList + _NONE = object() diff --git a/scrapy/linkextractors/lxmlhtml.py b/scrapy/linkextractors/lxmlhtml.py index 33a10cd6c..d27a132b3 100644 --- a/scrapy/linkextractors/lxmlhtml.py +++ b/scrapy/linkextractors/lxmlhtml.py @@ -2,10 +2,13 @@ Link extractor based on lxml.html """ +from __future__ import annotations + import logging import operator from functools import partial from typing import ( + TYPE_CHECKING, Any, Callable, Iterable, @@ -20,13 +23,10 @@ from typing import ( from urllib.parse import urljoin, urlparse from lxml import etree # nosec -from lxml.html import HtmlElement # nosec from parsel.csstranslator import HTMLTranslator from w3lib.html import strip_html5_whitespace from w3lib.url import canonicalize_url, safe_url_string -from scrapy import Selector -from scrapy.http import TextResponse from scrapy.link import Link from scrapy.linkextractors import IGNORED_EXTENSIONS, _is_valid_url, _matches, re from scrapy.utils.misc import arg_to_iter, rel_has_nofollow @@ -34,6 +34,13 @@ from scrapy.utils.python import unique as unique_list from scrapy.utils.response import get_base_url from scrapy.utils.url import url_has_any_extension, url_is_from_any_domain +if TYPE_CHECKING: + from lxml.html import HtmlElement # nosec + + from scrapy import Selector + from scrapy.http import TextResponse + + logger = logging.getLogger(__name__) # from lxml/src/lxml/html/__init__.py diff --git a/scrapy/loader/__init__.py b/scrapy/loader/__init__.py index db0b4820f..9644cc093 100644 --- a/scrapy/loader/__init__.py +++ b/scrapy/loader/__init__.py @@ -4,14 +4,18 @@ Item Loader See documentation in docs/topics/loaders.rst """ -from typing import Any, Optional +from __future__ import annotations + +from typing import TYPE_CHECKING, Any, Optional import itemloaders -from scrapy.http import TextResponse from scrapy.item import Item from scrapy.selector import Selector +if TYPE_CHECKING: + from scrapy.http import TextResponse + class ItemLoader(itemloaders.ItemLoader): """ @@ -91,7 +95,7 @@ class ItemLoader(itemloaders.ItemLoader): selector: Optional[Selector] = None, response: Optional[TextResponse] = None, parent: Optional[itemloaders.ItemLoader] = None, - **context: Any + **context: Any, ): if selector is None and response is not None: try: diff --git a/scrapy/logformatter.py b/scrapy/logformatter.py index 42a03b560..601209fb0 100644 --- a/scrapy/logformatter.py +++ b/scrapy/logformatter.py @@ -6,8 +6,9 @@ from typing import TYPE_CHECKING, Any, Dict, Optional, Tuple, TypedDict, Union from twisted.python.failure import Failure -from scrapy import Request, Spider -from scrapy.http import Response +# working around https://github.com/sphinx-doc/sphinx/issues/10400 +from scrapy import Request, Spider # noqa: TC001 +from scrapy.http import Response # noqa: TC001 from scrapy.utils.request import referer_str if TYPE_CHECKING: diff --git a/scrapy/mail.py b/scrapy/mail.py index f4ce2800c..3ea20e831 100644 --- a/scrapy/mail.py +++ b/scrapy/mail.py @@ -30,20 +30,22 @@ from typing import ( from twisted import version as twisted_version from twisted.internet import ssl from twisted.internet.defer import Deferred -from twisted.python.failure import Failure from twisted.python.versions import Version -from scrapy.settings import BaseSettings from scrapy.utils.misc import arg_to_iter from scrapy.utils.python import to_bytes if TYPE_CHECKING: # imports twisted.internet.reactor from twisted.mail.smtp import ESMTPSenderFactory + from twisted.python.failure import Failure # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.settings import BaseSettings + + logger = logging.getLogger(__name__) diff --git a/scrapy/middleware.py b/scrapy/middleware.py index f60c726f9..ea5488ba1 100644 --- a/scrapy/middleware.py +++ b/scrapy/middleware.py @@ -17,19 +17,19 @@ from typing import ( cast, ) -from twisted.internet.defer import Deferred - -from scrapy import Spider from scrapy.exceptions import NotConfigured -from scrapy.settings import Settings from scrapy.utils.defer import process_chain, process_parallel from scrapy.utils.misc import build_from_crawler, build_from_settings, load_object if TYPE_CHECKING: + from twisted.internet.defer import Deferred + # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy import Spider from scrapy.crawler import Crawler + from scrapy.settings import Settings logger = logging.getLogger(__name__) diff --git a/scrapy/pipelines/__init__.py b/scrapy/pipelines/__init__.py index 21d649e3c..480a5a58c 100644 --- a/scrapy/pipelines/__init__.py +++ b/scrapy/pipelines/__init__.py @@ -6,16 +6,18 @@ See documentation in docs/item-pipeline.rst from __future__ import annotations -from typing import Any, List +from typing import TYPE_CHECKING, Any, List -from twisted.internet.defer import Deferred - -from scrapy import Spider from scrapy.middleware import MiddlewareManager -from scrapy.settings import Settings from scrapy.utils.conf import build_component_list from scrapy.utils.defer import deferred_f_from_coro_f +if TYPE_CHECKING: + from twisted.internet.defer import Deferred + + from scrapy import Spider + from scrapy.settings import Settings + class ItemPipelineManager(MiddlewareManager): component_name = "item pipeline" diff --git a/scrapy/pipelines/files.py b/scrapy/pipelines/files.py index 85a8c77da..1a13aeaf2 100644 --- a/scrapy/pipelines/files.py +++ b/scrapy/pipelines/files.py @@ -16,7 +16,6 @@ from collections import defaultdict from contextlib import suppress from ftplib import FTP from io import BytesIO -from os import PathLike from pathlib import Path from typing import ( IO, @@ -38,11 +37,9 @@ from typing import ( from urllib.parse import urlparse from itemadapter import ItemAdapter -from twisted.internet import defer, threads -from twisted.internet.defer import Deferred -from twisted.python.failure import Failure +from twisted.internet.defer import Deferred, maybeDeferred +from twisted.internet.threads import deferToThread -from scrapy import Spider from scrapy.exceptions import IgnoreRequest, NotConfigured from scrapy.http import Request, Response from scrapy.http.request import NO_CALLBACK @@ -56,9 +53,15 @@ from scrapy.utils.python import to_bytes from scrapy.utils.request import referer_str if TYPE_CHECKING: + from os import PathLike + + from twisted.python.failure import Failure + # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy import Spider + logger = logging.getLogger(__name__) @@ -210,7 +213,7 @@ class S3FilesStore: key_name = f"{self.prefix}{path}" return cast( "Deferred[Dict[str, Any]]", - threads.deferToThread( + deferToThread( self.s3_client.head_object, Bucket=self.bucket, Key=key_name # type: ignore[attr-defined] ), ) @@ -229,7 +232,7 @@ class S3FilesStore: extra = self._headers_to_botocore_kwargs(self.HEADERS) if headers: extra.update(self._headers_to_botocore_kwargs(headers)) - return threads.deferToThread( + return deferToThread( self.s3_client.put_object, # type: ignore[attr-defined] Bucket=self.bucket, Key=key_name, @@ -326,9 +329,7 @@ class GCSFilesStore: blob_path = self._get_blob_path(path) return cast( Deferred[StatInfo], - threads.deferToThread(self.bucket.get_blob, blob_path).addCallback( - _onsuccess - ), + deferToThread(self.bucket.get_blob, blob_path).addCallback(_onsuccess), ) def _get_content_type(self, headers: Optional[Dict[str, str]]) -> str: @@ -351,7 +352,7 @@ class GCSFilesStore: blob = self.bucket.blob(blob_path) blob.cache_control = self.CACHE_CONTROL blob.metadata = {k: str(v) for k, v in (meta or {}).items()} - return threads.deferToThread( + return deferToThread( blob.upload_from_string, data=buf.getvalue(), content_type=self._get_content_type(headers), @@ -388,7 +389,7 @@ class FTPFilesStore: headers: Optional[Dict[str, str]] = None, ) -> Deferred[Any]: path = f"{self.basedir}/{path}" - return threads.deferToThread( + return deferToThread( ftp_store_file, path=path, file=buf, @@ -418,7 +419,7 @@ class FTPFilesStore: except Exception: return {} - return cast("Deferred[StatInfo]", threads.deferToThread(_stat_file, path)) + return cast("Deferred[StatInfo]", deferToThread(_stat_file, path)) class FilesPipeline(MediaPipeline): @@ -553,8 +554,8 @@ class FilesPipeline(MediaPipeline): } path = self.file_path(request, info=info, item=item) - # defer.maybeDeferred() overloads don't seem to support a Union[_T, Deferred[_T]] return type - dfd: Deferred[StatInfo] = defer.maybeDeferred(self.store.stat_file, path, info) # type: ignore[arg-type] + # maybeDeferred() overloads don't seem to support a Union[_T, Deferred[_T]] return type + dfd: Deferred[StatInfo] = maybeDeferred(self.store.stat_file, path, info) # type: ignore[arg-type] dfd2: Deferred[Optional[FileInfo]] = dfd.addCallback(_onsuccess) dfd2.addErrback(lambda _: None) dfd2.addErrback( diff --git a/scrapy/pipelines/images.py b/scrapy/pipelines/images.py index 27a57b17c..166f81314 100644 --- a/scrapy/pipelines/images.py +++ b/scrapy/pipelines/images.py @@ -11,7 +11,6 @@ import hashlib import warnings from contextlib import suppress from io import BytesIO -from os import PathLike from typing import ( TYPE_CHECKING, Any, @@ -28,7 +27,6 @@ from typing import ( from itemadapter import ItemAdapter -from scrapy import Spider from scrapy.exceptions import DropItem, NotConfigured, ScrapyDeprecationWarning from scrapy.http import Request, Response from scrapy.http.request import NO_CALLBACK @@ -40,15 +38,20 @@ from scrapy.pipelines.files import ( S3FilesStore, _md5sum, ) -from scrapy.pipelines.media import FileInfoOrError, MediaPipeline from scrapy.settings import Settings from scrapy.utils.python import get_func_args, to_bytes if TYPE_CHECKING: - # typing.Self requires Python 3.11 + from os import PathLike + from PIL import Image + + # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy import Spider + from scrapy.pipelines.media import FileInfoOrError, MediaPipeline + class NoimagesDrop(DropItem): """Product with no images exception""" diff --git a/scrapy/pipelines/media.py b/scrapy/pipelines/media.py index 09e95cf5d..ea36a9e8a 100644 --- a/scrapy/pipelines/media.py +++ b/scrapy/pipelines/media.py @@ -25,21 +25,23 @@ from typing import ( from twisted.internet.defer import Deferred, DeferredList from twisted.python.failure import Failure -from scrapy import Spider -from scrapy.crawler import Crawler -from scrapy.http import Response from scrapy.http.request import NO_CALLBACK, Request from scrapy.settings import Settings from scrapy.utils.datatypes import SequenceExclude from scrapy.utils.defer import defer_result, mustbe_deferred from scrapy.utils.log import failure_to_exc_info from scrapy.utils.misc import arg_to_iter -from scrapy.utils.request import RequestFingerprinter if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy import Spider + from scrapy.crawler import Crawler + from scrapy.http import Response + from scrapy.utils.request import RequestFingerprinter + + _T = TypeVar("_T") diff --git a/scrapy/resolver.py b/scrapy/resolver.py index ba7cd716b..d5eedf9b1 100644 --- a/scrapy/resolver.py +++ b/scrapy/resolver.py @@ -4,7 +4,6 @@ from typing import TYPE_CHECKING, Any, List, Optional, Sequence, Type from twisted.internet import defer from twisted.internet.base import ReactorBase, ThreadedResolver -from twisted.internet.defer import Deferred from twisted.internet.interfaces import ( IAddress, IHostnameResolver, @@ -17,6 +16,8 @@ from zope.interface.declarations import implementer, provider from scrapy.utils.datatypes import LocalCache if TYPE_CHECKING: + from twisted.internet.defer import Deferred + # typing.Self requires Python 3.11 from typing_extensions import Self diff --git a/scrapy/robotstxt.py b/scrapy/robotstxt.py index a33f73306..0d282dc37 100644 --- a/scrapy/robotstxt.py +++ b/scrapy/robotstxt.py @@ -6,7 +6,6 @@ from abc import ABCMeta, abstractmethod from typing import TYPE_CHECKING, Optional, Union from warnings import warn -from scrapy import Spider from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.utils.python import to_unicode @@ -14,8 +13,10 @@ if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy import Spider from scrapy.crawler import Crawler + logger = logging.getLogger(__name__) diff --git a/scrapy/settings/__init__.py b/scrapy/settings/__init__.py index ea1db03f1..6703c569f 100644 --- a/scrapy/settings/__init__.py +++ b/scrapy/settings/__init__.py @@ -4,7 +4,6 @@ import copy import json from importlib import import_module from pprint import pformat -from types import ModuleType from typing import ( TYPE_CHECKING, Any, @@ -27,6 +26,8 @@ from scrapy.settings import default_settings _SettingsKeyT = Union[bool, float, int, str, None] if TYPE_CHECKING: + from types import ModuleType + # https://github.com/python/typing/issues/445#issuecomment-1131458824 from _typeshed import SupportsItems diff --git a/scrapy/signalmanager.py b/scrapy/signalmanager.py index f6df191d8..3d37b8235 100644 --- a/scrapy/signalmanager.py +++ b/scrapy/signalmanager.py @@ -1,10 +1,14 @@ -from typing import Any, List, Tuple +from __future__ import annotations + +from typing import TYPE_CHECKING, Any, List, Tuple from pydispatch import dispatcher -from twisted.internet.defer import Deferred from scrapy.utils import signal as _signal +if TYPE_CHECKING: + from twisted.internet.defer import Deferred + class SignalManager: def __init__(self, sender: Any = dispatcher.Anonymous): diff --git a/scrapy/spiderloader.py b/scrapy/spiderloader.py index d855c962c..b8fe65668 100644 --- a/scrapy/spiderloader.py +++ b/scrapy/spiderloader.py @@ -3,21 +3,23 @@ from __future__ import annotations import traceback import warnings from collections import defaultdict -from types import ModuleType from typing import TYPE_CHECKING, DefaultDict, Dict, List, Tuple, Type from zope.interface import implementer -from scrapy import Request, Spider from scrapy.interfaces import ISpiderLoader -from scrapy.settings import BaseSettings from scrapy.utils.misc import walk_modules from scrapy.utils.spider import iter_spider_classes if TYPE_CHECKING: + from types import ModuleType + # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy import Request, Spider + from scrapy.settings import BaseSettings + @implementer(ISpiderLoader) class SpiderLoader: diff --git a/scrapy/spidermiddlewares/depth.py b/scrapy/spidermiddlewares/depth.py index 1e96654e2..c5b7f0749 100644 --- a/scrapy/spidermiddlewares/depth.py +++ b/scrapy/spidermiddlewares/depth.py @@ -9,15 +9,17 @@ from __future__ import annotations import logging from typing import TYPE_CHECKING, Any, AsyncIterable, Iterable -from scrapy import Spider -from scrapy.crawler import Crawler from scrapy.http import Request, Response -from scrapy.statscollectors import StatsCollector if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy import Spider + from scrapy.crawler import Crawler + from scrapy.statscollectors import StatsCollector + + logger = logging.getLogger(__name__) diff --git a/scrapy/spidermiddlewares/httperror.py b/scrapy/spidermiddlewares/httperror.py index 35c869a75..ea1686c25 100644 --- a/scrapy/spidermiddlewares/httperror.py +++ b/scrapy/spidermiddlewares/httperror.py @@ -9,16 +9,18 @@ from __future__ import annotations import logging from typing import TYPE_CHECKING, Any, Iterable, List, Optional -from scrapy import Spider -from scrapy.crawler import Crawler from scrapy.exceptions import IgnoreRequest -from scrapy.http import Response -from scrapy.settings import BaseSettings if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy import Spider + from scrapy.crawler import Crawler + from scrapy.http import Response + from scrapy.settings import BaseSettings + + logger = logging.getLogger(__name__) diff --git a/scrapy/spidermiddlewares/offsite.py b/scrapy/spidermiddlewares/offsite.py index 50c93ac9f..379c5d0a3 100644 --- a/scrapy/spidermiddlewares/offsite.py +++ b/scrapy/spidermiddlewares/offsite.py @@ -12,10 +12,8 @@ import warnings from typing import TYPE_CHECKING, Any, AsyncIterable, Iterable, Set from scrapy import Spider, signals -from scrapy.crawler import Crawler from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.http import Request, Response -from scrapy.statscollectors import StatsCollector from scrapy.utils.httpobj import urlparse_cached warnings.warn( @@ -28,6 +26,10 @@ if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.crawler import Crawler + from scrapy.statscollectors import StatsCollector + + logger = logging.getLogger(__name__) diff --git a/scrapy/spidermiddlewares/referer.py b/scrapy/spidermiddlewares/referer.py index 8af0bdf5b..d35cf8f71 100644 --- a/scrapy/spidermiddlewares/referer.py +++ b/scrapy/spidermiddlewares/referer.py @@ -23,10 +23,8 @@ from urllib.parse import urlparse from w3lib.url import safe_url_string from scrapy import Spider, signals -from scrapy.crawler import Crawler from scrapy.exceptions import NotConfigured from scrapy.http import Request, Response -from scrapy.settings import BaseSettings from scrapy.utils.misc import load_object from scrapy.utils.python import to_unicode from scrapy.utils.url import strip_url @@ -35,6 +33,10 @@ if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.crawler import Crawler + from scrapy.settings import BaseSettings + + LOCAL_SCHEMES: Tuple[str, ...] = ( "about", "blob", diff --git a/scrapy/spidermiddlewares/urllength.py b/scrapy/spidermiddlewares/urllength.py index e2aa554a7..34df54ca7 100644 --- a/scrapy/spidermiddlewares/urllength.py +++ b/scrapy/spidermiddlewares/urllength.py @@ -9,15 +9,17 @@ from __future__ import annotations import logging from typing import TYPE_CHECKING, Any, AsyncIterable, Iterable -from scrapy import Spider from scrapy.exceptions import NotConfigured from scrapy.http import Request, Response -from scrapy.settings import BaseSettings if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy import Spider + from scrapy.settings import BaseSettings + + logger = logging.getLogger(__name__) diff --git a/scrapy/spiders/init.py b/scrapy/spiders/init.py index a0898a0cf..ce0f1bbaa 100644 --- a/scrapy/spiders/init.py +++ b/scrapy/spiders/init.py @@ -1,10 +1,14 @@ -from typing import Any, Iterable, Optional, cast +from __future__ import annotations + +from typing import TYPE_CHECKING, Any, Iterable, Optional, cast from scrapy import Request -from scrapy.http import Response from scrapy.spiders import Spider from scrapy.utils.spider import iterate_spider_output +if TYPE_CHECKING: + from scrapy.http import Response + class InitSpider(Spider): """Base Spider with initialization facilities""" diff --git a/scrapy/squeues.py b/scrapy/squeues.py index 6f80ee388..d3e7896c5 100644 --- a/scrapy/squeues.py +++ b/scrapy/squeues.py @@ -6,20 +6,22 @@ from __future__ import annotations import marshal import pickle # nosec -from os import PathLike from pathlib import Path from typing import TYPE_CHECKING, Any, Callable, Optional, Type, Union from queuelib import queue -from scrapy import Request -from scrapy.crawler import Crawler from scrapy.utils.request import request_from_dict if TYPE_CHECKING: + from os import PathLike + # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy import Request + from scrapy.crawler import Crawler + def _with_mkdir(queue_class: Type[queue.BaseQueue]) -> Type[queue.BaseQueue]: class DirectoriesCreated(queue_class): # type: ignore[valid-type,misc] diff --git a/scrapy/statscollectors.py b/scrapy/statscollectors.py index ab571a3ab..88e72f366 100644 --- a/scrapy/statscollectors.py +++ b/scrapy/statscollectors.py @@ -2,15 +2,17 @@ Scrapy extension for collecting scraping stats """ +from __future__ import annotations + import logging import pprint from typing import TYPE_CHECKING, Any, Dict, Optional -from scrapy import Spider - if TYPE_CHECKING: + from scrapy import Spider from scrapy.crawler import Crawler + logger = logging.getLogger(__name__) @@ -18,7 +20,7 @@ StatsT = Dict[str, Any] class StatsCollector: - def __init__(self, crawler: "Crawler"): + def __init__(self, crawler: Crawler): self._dump: bool = crawler.settings.getbool("STATS_DUMP") self._stats: StatsT = {} @@ -67,7 +69,7 @@ class StatsCollector: class MemoryStatsCollector(StatsCollector): - def __init__(self, crawler: "Crawler"): + def __init__(self, crawler: Crawler): super().__init__(crawler) self.spider_stats: Dict[str, StatsT] = {} diff --git a/scrapy/utils/decorators.py b/scrapy/utils/decorators.py index 7e82dd519..2240f0b58 100644 --- a/scrapy/utils/decorators.py +++ b/scrapy/utils/decorators.py @@ -4,8 +4,8 @@ import warnings from functools import wraps from typing import TYPE_CHECKING, Any, Callable, TypeVar -from twisted.internet import defer, threads -from twisted.internet.defer import Deferred +from twisted.internet.defer import Deferred, maybeDeferred +from twisted.internet.threads import deferToThread from scrapy.exceptions import ScrapyDeprecationWarning @@ -48,7 +48,7 @@ def defers(func: Callable[_P, _T]) -> Callable[_P, Deferred[_T]]: @wraps(func) def wrapped(*a: _P.args, **kw: _P.kwargs) -> Deferred[_T]: - return defer.maybeDeferred(func, *a, **kw) + return maybeDeferred(func, *a, **kw) return wrapped @@ -60,6 +60,6 @@ def inthread(func: Callable[_P, _T]) -> Callable[_P, Deferred[_T]]: @wraps(func) def wrapped(*a: _P.args, **kw: _P.kwargs) -> Deferred[_T]: - return threads.deferToThread(func, *a, **kw) + return deferToThread(func, *a, **kw) return wrapped diff --git a/scrapy/utils/defer.py b/scrapy/utils/defer.py index 877eb4388..1d578e8a3 100644 --- a/scrapy/utils/defer.py +++ b/scrapy/utils/defer.py @@ -34,12 +34,13 @@ from twisted.internet import defer from twisted.internet.defer import Deferred, DeferredList, ensureDeferred from twisted.internet.task import Cooperator from twisted.python import failure -from twisted.python.failure import Failure from scrapy.exceptions import IgnoreRequest, ScrapyDeprecationWarning from scrapy.utils.reactor import _get_asyncio_event_loop, is_asyncio_reactor_installed if TYPE_CHECKING: + from twisted.python.failure import Failure + # typing.Concatenate and typing.ParamSpec require Python 3.10 from typing_extensions import Concatenate, ParamSpec diff --git a/scrapy/utils/engine.py b/scrapy/utils/engine.py index fdcf484d4..770ee0b1b 100644 --- a/scrapy/utils/engine.py +++ b/scrapy/utils/engine.py @@ -4,9 +4,10 @@ from __future__ import annotations # used in global tests code from time import time # noqa: F401 -from typing import Any, List, Tuple +from typing import TYPE_CHECKING, Any, List, Tuple -from scrapy.core.engine import ExecutionEngine +if TYPE_CHECKING: + from scrapy.core.engine import ExecutionEngine def get_engine_status(engine: ExecutionEngine) -> List[Tuple[str, Any]]: diff --git a/scrapy/utils/gz.py b/scrapy/utils/gz.py index 2e487d88b..85324361c 100644 --- a/scrapy/utils/gz.py +++ b/scrapy/utils/gz.py @@ -1,11 +1,15 @@ +from __future__ import annotations + import struct from gzip import GzipFile from io import BytesIO - -from scrapy.http import Response +from typing import TYPE_CHECKING from ._compression import _CHUNK_SIZE, _DecompressionMaxSizeExceeded +if TYPE_CHECKING: + from scrapy.http import Response + def gunzip(data: bytes, *, max_size: int = 0) -> bytes: """Gunzip the given data and return as much data as possible. diff --git a/scrapy/utils/httpobj.py b/scrapy/utils/httpobj.py index d502e8910..3cf9585ec 100644 --- a/scrapy/utils/httpobj.py +++ b/scrapy/utils/httpobj.py @@ -1,12 +1,16 @@ """Helper functions for scrapy.http objects (Request, Response)""" -from typing import Union +from __future__ import annotations + +from typing import TYPE_CHECKING, Union from urllib.parse import ParseResult, urlparse from weakref import WeakKeyDictionary -from scrapy.http import Request, Response +if TYPE_CHECKING: + from scrapy.http import Request, Response -_urlparse_cache: "WeakKeyDictionary[Union[Request, Response], ParseResult]" = ( + +_urlparse_cache: WeakKeyDictionary[Union[Request, Response], ParseResult] = ( WeakKeyDictionary() ) diff --git a/scrapy/utils/job.py b/scrapy/utils/job.py index e230e4235..488c7994b 100644 --- a/scrapy/utils/job.py +++ b/scrapy/utils/job.py @@ -1,7 +1,10 @@ -from pathlib import Path -from typing import Optional +from __future__ import annotations -from scrapy.settings import BaseSettings +from pathlib import Path +from typing import TYPE_CHECKING, Optional + +if TYPE_CHECKING: + from scrapy.settings import BaseSettings def job_dir(settings: BaseSettings) -> Optional[str]: diff --git a/scrapy/utils/log.py b/scrapy/utils/log.py index cbfd170ed..439b065a9 100644 --- a/scrapy/utils/log.py +++ b/scrapy/utils/log.py @@ -21,12 +21,13 @@ from twisted.python import log as twisted_log from twisted.python.failure import Failure import scrapy -from scrapy.logformatter import LogFormatterResult from scrapy.settings import Settings, _SettingsKeyT from scrapy.utils.versions import scrapy_components_versions if TYPE_CHECKING: from scrapy.crawler import Crawler + from scrapy.logformatter import LogFormatterResult + logger = logging.getLogger(__name__) diff --git a/scrapy/utils/misc.py b/scrapy/utils/misc.py index 3d11c1035..3c787e50f 100644 --- a/scrapy/utils/misc.py +++ b/scrapy/utils/misc.py @@ -13,7 +13,6 @@ from contextlib import contextmanager from functools import partial from importlib import import_module from pkgutil import iter_modules -from types import ModuleType from typing import ( IO, TYPE_CHECKING, @@ -35,10 +34,13 @@ from scrapy.item import Item from scrapy.utils.datatypes import LocalWeakReferencedCache if TYPE_CHECKING: + from types import ModuleType + from scrapy import Spider from scrapy.crawler import Crawler from scrapy.settings import BaseSettings + _ITERABLE_SINGLE_VALUES = dict, Item, str, bytes T = TypeVar("T") diff --git a/scrapy/utils/project.py b/scrapy/utils/project.py index de3c8eaf9..efb6af299 100644 --- a/scrapy/utils/project.py +++ b/scrapy/utils/project.py @@ -1,7 +1,8 @@ +from __future__ import annotations + import os import warnings from importlib import import_module -from os import PathLike from pathlib import Path from typing import Union @@ -46,7 +47,7 @@ def project_data_dir(project: str = "default") -> str: return str(d) -def data_path(path: Union[str, PathLike], createdir: bool = False) -> str: +def data_path(path: Union[str, os.PathLike[str]], createdir: bool = False) -> str: """ Return the given path joined with the .scrapy data directory. If given an absolute path, return it unmodified. diff --git a/scrapy/utils/reactor.py b/scrapy/utils/reactor.py index 5af6d22eb..a627db601 100644 --- a/scrapy/utils/reactor.py +++ b/scrapy/utils/reactor.py @@ -2,7 +2,6 @@ from __future__ import annotations import asyncio import sys -from asyncio import AbstractEventLoop, AbstractEventLoopPolicy from contextlib import suppress from typing import ( TYPE_CHECKING, @@ -20,13 +19,16 @@ from warnings import catch_warnings, filterwarnings, warn from twisted.internet import asyncioreactor, error from twisted.internet.base import DelayedCall -from twisted.internet.protocol import ServerFactory -from twisted.internet.tcp import Port from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.utils.misc import load_object if TYPE_CHECKING: + from asyncio import AbstractEventLoop, AbstractEventLoopPolicy + + from twisted.internet.protocol import ServerFactory + from twisted.internet.tcp import Port + # typing.ParamSpec requires Python 3.10 from typing_extensions import ParamSpec diff --git a/scrapy/utils/spider.py b/scrapy/utils/spider.py index b05135c04..ce754fad3 100644 --- a/scrapy/utils/spider.py +++ b/scrapy/utils/spider.py @@ -2,7 +2,6 @@ from __future__ import annotations import inspect import logging -from types import CoroutineType, ModuleType from typing import ( TYPE_CHECKING, Any, @@ -16,16 +15,19 @@ from typing import ( overload, ) -from twisted.internet.defer import Deferred - -from scrapy import Request from scrapy.spiders import Spider from scrapy.utils.defer import deferred_from_coro from scrapy.utils.misc import arg_to_iter if TYPE_CHECKING: + from types import CoroutineType, ModuleType + + from twisted.internet.defer import Deferred + + from scrapy import Request from scrapy.spiderloader import SpiderLoader + logger = logging.getLogger(__name__) _T = TypeVar("_T") diff --git a/scrapy/utils/ssl.py b/scrapy/utils/ssl.py index d520ef809..95611ebd9 100644 --- a/scrapy/utils/ssl.py +++ b/scrapy/utils/ssl.py @@ -1,12 +1,16 @@ -from typing import Any, Optional +from __future__ import annotations + +from typing import TYPE_CHECKING, Any, Optional import OpenSSL._util as pyOpenSSLutil import OpenSSL.SSL import OpenSSL.version -from OpenSSL.crypto import X509Name from scrapy.utils.python import to_unicode +if TYPE_CHECKING: + from OpenSSL.crypto import X509Name + def ffi_buf_to_string(buf: Any) -> str: return to_unicode(pyOpenSSLutil.ffi.string(buf)) diff --git a/scrapy/utils/template.py b/scrapy/utils/template.py index 6b22f3bfa..08f3f2dc9 100644 --- a/scrapy/utils/template.py +++ b/scrapy/utils/template.py @@ -1,10 +1,14 @@ """Helper functions for working with templates""" +from __future__ import annotations + import re import string -from os import PathLike from pathlib import Path -from typing import Any, Union +from typing import TYPE_CHECKING, Any, Union + +if TYPE_CHECKING: + from os import PathLike def render_templatefile(path: Union[str, PathLike], **kwargs: Any) -> None: diff --git a/scrapy/utils/test.py b/scrapy/utils/test.py index 268d8d4be..fe2bfa042 100644 --- a/scrapy/utils/test.py +++ b/scrapy/utils/test.py @@ -2,21 +2,36 @@ This module contains some assorted functions used in tests """ +from __future__ import annotations + import asyncio import os from importlib import import_module from pathlib import Path from posixpath import split -from typing import Any, Awaitable, Dict, List, Optional, Tuple, Type, TypeVar +from typing import ( + TYPE_CHECKING, + Any, + Awaitable, + Dict, + List, + Optional, + Tuple, + Type, + TypeVar, +) from unittest import TestCase, mock -from twisted.internet.defer import Deferred from twisted.trial.unittest import SkipTest from scrapy import Spider from scrapy.crawler import Crawler from scrapy.utils.boto import is_botocore_available +if TYPE_CHECKING: + from twisted.internet.defer import Deferred + + _T = TypeVar("_T") diff --git a/scrapy/utils/testproc.py b/scrapy/utils/testproc.py index 3bdffcaa7..8882bfc5f 100644 --- a/scrapy/utils/testproc.py +++ b/scrapy/utils/testproc.py @@ -2,12 +2,14 @@ from __future__ import annotations import os import sys -from typing import Iterable, List, Optional, Tuple, cast +from typing import TYPE_CHECKING, Iterable, List, Optional, Tuple, cast from twisted.internet.defer import Deferred from twisted.internet.error import ProcessTerminated from twisted.internet.protocol import ProcessProtocol -from twisted.python.failure import Failure + +if TYPE_CHECKING: + from twisted.python.failure import Failure class ProcessTest: diff --git a/tests/mockserver.py b/tests/mockserver.py index 233f6b934..6ec46aa3d 100644 --- a/tests/mockserver.py +++ b/tests/mockserver.py @@ -1,3 +1,5 @@ +from __future__ import annotations + import argparse import json import os @@ -7,12 +9,11 @@ from pathlib import Path from shutil import rmtree from subprocess import PIPE, Popen from tempfile import mkdtemp -from typing import Dict +from typing import TYPE_CHECKING, Dict from urllib.parse import urlencode from OpenSSL import SSL from twisted.internet import defer, reactor, ssl -from twisted.internet.protocol import ServerFactory from twisted.internet.task import deferLater from twisted.names import dns, error from twisted.names.server import DNSServerFactory @@ -23,6 +24,9 @@ from twisted.web.util import redirectTo from scrapy.utils.python import to_bytes, to_unicode +if TYPE_CHECKING: + from twisted.internet.protocol import ServerFactory + def getarg(request, name, default=None, type=None): if name in request.args: diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py index 253987e15..ea3ed3b05 100644 --- a/tests/test_feedexport.py +++ b/tests/test_feedexport.py @@ -1,3 +1,5 @@ +from __future__ import annotations + import bz2 import csv import gzip @@ -14,10 +16,9 @@ from collections import defaultdict from contextlib import ExitStack from io import BytesIO from logging import getLogger -from os import PathLike from pathlib import Path from string import ascii_letters, digits -from typing import Union +from typing import TYPE_CHECKING, Union from unittest import mock from urllib.parse import quote, urljoin from urllib.request import pathname2url @@ -53,6 +54,9 @@ from scrapy.utils.test import get_crawler, mock_google_cloud_storage, skip_if_no from tests.mockserver import MockFTPServer, MockServer from tests.spiders import ItemSpider +if TYPE_CHECKING: + from os import PathLike + def path_to_url(path): return urljoin("file:", pathname2url(str(path))) diff --git a/tests/test_http2_client_protocol.py b/tests/test_http2_client_protocol.py index 995c02a1a..7ea3fe8c9 100644 --- a/tests/test_http2_client_protocol.py +++ b/tests/test_http2_client_protocol.py @@ -1,3 +1,5 @@ +from __future__ import annotations + import json import random import re @@ -6,7 +8,7 @@ import string from ipaddress import IPv4Address from pathlib import Path from tempfile import mkdtemp -from typing import Dict +from typing import TYPE_CHECKING, Dict from unittest import mock, skipIf from urllib.parse import urlencode @@ -20,7 +22,6 @@ from twisted.internet.defer import ( from twisted.internet.endpoints import SSL4ClientEndpoint, SSL4ServerEndpoint from twisted.internet.error import TimeoutError from twisted.internet.ssl import Certificate, PrivateCertificate, optionsForClientTLS -from twisted.python.failure import Failure from twisted.trial.unittest import TestCase from twisted.web.client import URI, ResponseFailed from twisted.web.http import H2_ENABLED @@ -33,6 +34,9 @@ from scrapy.settings import Settings from scrapy.spiders import Spider from tests.mockserver import LeafResource, Status, ssl_context_factory +if TYPE_CHECKING: + from twisted.python.failure import Failure + def generate_random_string(size): return "".join(random.choices(string.ascii_uppercase + string.digits, k=size)) From e47110f9a5a16f0628e53e16b9cb5f6a4f9721d3 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Wed, 26 Jun 2024 13:01:43 +0500 Subject: [PATCH 236/786] Add parameteres to most Deferred instances. (#6414) --- scrapy/commands/parse.py | 6 +- scrapy/core/downloader/handlers/http10.py | 3 +- scrapy/core/http2/agent.py | 26 +++++---- scrapy/core/http2/protocol.py | 18 ++++-- scrapy/core/http2/stream.py | 6 +- scrapy/core/scraper.py | 6 +- scrapy/core/spidermw.py | 7 ++- scrapy/crawler.py | 33 +++++++---- scrapy/downloadermiddlewares/robotstxt.py | 26 ++++++--- scrapy/dupefilters.py | 4 +- scrapy/extensions/feedexport.py | 16 ++--- scrapy/extensions/statsmailer.py | 2 +- scrapy/mail.py | 12 ++-- scrapy/middleware.py | 27 ++++++--- scrapy/shell.py | 10 +++- scrapy/signalmanager.py | 4 +- scrapy/spiders/__init__.py | 10 ++-- scrapy/utils/defer.py | 71 ++++++++++++----------- scrapy/utils/signal.py | 24 ++++---- scrapy/utils/test.py | 3 +- scrapy/utils/testproc.py | 4 +- 21 files changed, 190 insertions(+), 128 deletions(-) diff --git a/scrapy/commands/parse.py b/scrapy/commands/parse.py index e6c5e2a47..1265aa38e 100644 --- a/scrapy/commands/parse.py +++ b/scrapy/commands/parse.py @@ -153,7 +153,7 @@ class Command(BaseRunSpiderCommand): @overload def iterate_spider_output(self, result: _T) -> Iterable[Any]: ... - def iterate_spider_output(self, result: Any) -> Union[Iterable[Any], Deferred]: + def iterate_spider_output(self, result: Any) -> Union[Iterable[Any], Deferred[Any]]: if inspect.isasyncgen(result): d = deferred_from_coro( collect_asyncgen(aiter_errback(result, self.handle_exception)) @@ -233,7 +233,7 @@ class Command(BaseRunSpiderCommand): response: Response, callback: Callable, cb_kwargs: Optional[Dict[str, Any]] = None, - ) -> Deferred: + ) -> Deferred[Any]: cb_kwargs = cb_kwargs or {} d = maybeDeferred(self.iterate_spider_output, callback(response, **cb_kwargs)) return d @@ -345,7 +345,7 @@ class Command(BaseRunSpiderCommand): def prepare_request( self, spider: Spider, request: Request, opts: argparse.Namespace ) -> Request: - def callback(response: Response, **cb_kwargs: Any) -> Deferred: + def callback(response: Response, **cb_kwargs: Any) -> Deferred[List[Any]]: # memorize first request if not self.first_response: self.first_response = response diff --git a/scrapy/core/downloader/handlers/http10.py b/scrapy/core/downloader/handlers/http10.py index 98f62efcf..8d7b0635c 100644 --- a/scrapy/core/downloader/handlers/http10.py +++ b/scrapy/core/downloader/handlers/http10.py @@ -10,6 +10,7 @@ from scrapy.utils.python import to_unicode if TYPE_CHECKING: from twisted.internet.defer import Deferred + from twisted.internet.interfaces import IConnector # typing.Self requires Python 3.11 from typing_extensions import Self @@ -45,7 +46,7 @@ class HTTP10DownloadHandler: self._connect(factory) return factory.deferred - def _connect(self, factory: ScrapyHTTPClientFactory) -> Deferred: + def _connect(self, factory: ScrapyHTTPClientFactory) -> IConnector: from twisted.internet import reactor host, port = to_unicode(factory.host), factory.port diff --git a/scrapy/core/http2/agent.py b/scrapy/core/http2/agent.py index d291a5b8a..640fb7129 100644 --- a/scrapy/core/http2/agent.py +++ b/scrapy/core/http2/agent.py @@ -21,7 +21,7 @@ if TYPE_CHECKING: from twisted.internet.base import ReactorBase from twisted.internet.endpoints import HostnameEndpoint - from scrapy.http.request import Request + from scrapy.http import Request, Response from scrapy.settings import Settings from scrapy.spiders import Spider @@ -39,16 +39,18 @@ class H2ConnectionPool: self._connections: Dict[ConnectionKeyT, H2ClientProtocol] = {} # Save all requests that arrive before the connection is established - self._pending_requests: Dict[ConnectionKeyT, Deque[Deferred]] = {} + self._pending_requests: Dict[ + ConnectionKeyT, Deque[Deferred[H2ClientProtocol]] + ] = {} def get_connection( self, key: ConnectionKeyT, uri: URI, endpoint: HostnameEndpoint - ) -> Deferred: + ) -> Deferred[H2ClientProtocol]: if key in self._pending_requests: # Received a request while connecting to remote # Create a deferred which will fire with the H2ClientProtocol # instance - d: Deferred = Deferred() + d: Deferred[H2ClientProtocol] = Deferred() self._pending_requests[key].append(d) return d @@ -63,17 +65,17 @@ class H2ConnectionPool: def _new_connection( self, key: ConnectionKeyT, uri: URI, endpoint: HostnameEndpoint - ) -> Deferred: + ) -> Deferred[H2ClientProtocol]: self._pending_requests[key] = deque() - conn_lost_deferred: Deferred = Deferred() + conn_lost_deferred: Deferred[List[BaseException]] = Deferred() conn_lost_deferred.addCallback(self._remove_connection, key) factory = H2ClientFactory(uri, self.settings, conn_lost_deferred) conn_d = endpoint.connect(factory) conn_d.addCallback(self.put_connection, key) - d: Deferred = Deferred() + d: Deferred[H2ClientProtocol] = Deferred() self._pending_requests[key].append(d) return d @@ -141,7 +143,7 @@ class H2Agent: """ return uri.scheme, uri.host, uri.port - def request(self, request: Request, spider: Spider) -> Deferred: + def request(self, request: Request, spider: Spider) -> Deferred[Response]: uri = URI.fromBytes(bytes(request.url, encoding="utf-8")) try: endpoint = self.get_endpoint(uri) @@ -149,9 +151,11 @@ class H2Agent: return defer.fail(Failure()) key = self.get_key(uri) - d = self._pool.get_connection(key, uri, endpoint) - d.addCallback(lambda conn: conn.request(request, spider)) - return d + d: Deferred[H2ClientProtocol] = self._pool.get_connection(key, uri, endpoint) + d2: Deferred[Response] = d.addCallback( + lambda conn: conn.request(request, spider) + ) + return d2 class ScrapyProxyH2Agent(H2Agent): diff --git a/scrapy/core/http2/protocol.py b/scrapy/core/http2/protocol.py index a6809102b..8aebbaab4 100644 --- a/scrapy/core/http2/protocol.py +++ b/scrapy/core/http2/protocol.py @@ -33,7 +33,7 @@ from twisted.protocols.policies import TimeoutMixin from zope.interface import implementer from scrapy.core.http2.stream import Stream, StreamCloseReason -from scrapy.http import Request +from scrapy.http import Request, Response if TYPE_CHECKING: from ipaddress import IPv4Address, IPv6Address @@ -88,7 +88,10 @@ class H2ClientProtocol(Protocol, TimeoutMixin): IDLE_TIMEOUT = 240 def __init__( - self, uri: URI, settings: Settings, conn_lost_deferred: Deferred + self, + uri: URI, + settings: Settings, + conn_lost_deferred: Deferred[List[BaseException]], ) -> None: """ Arguments: @@ -99,7 +102,7 @@ class H2ClientProtocol(Protocol, TimeoutMixin): conn_lost_deferred -- Deferred fires with the reason: Failure to notify that connection was lost """ - self._conn_lost_deferred = conn_lost_deferred + self._conn_lost_deferred: Deferred[List[BaseException]] = conn_lost_deferred config = H2Configuration(client_side=True, header_encoding="utf-8") self.conn = H2Connection(config=config) @@ -215,14 +218,14 @@ class H2ClientProtocol(Protocol, TimeoutMixin): data = self.conn.data_to_send() self.transport.write(data) - def request(self, request: Request, spider: Spider) -> Deferred: + def request(self, request: Request, spider: Spider) -> Deferred[Response]: if not isinstance(request, Request): raise TypeError( f"Expected scrapy.http.Request, received {request.__class__.__qualname__}" ) stream = self._new_stream(request, spider) - d = stream.get_response() + d: Deferred[Response] = stream.get_response() # Add the stream to the request pool self._pending_request_stream_pool.append(stream) @@ -436,7 +439,10 @@ class H2ClientProtocol(Protocol, TimeoutMixin): @implementer(IProtocolNegotiationFactory) class H2ClientFactory(Factory): def __init__( - self, uri: URI, settings: Settings, conn_lost_deferred: Deferred + self, + uri: URI, + settings: Settings, + conn_lost_deferred: Deferred[List[BaseException]], ) -> None: self.uri = uri self.settings = settings diff --git a/scrapy/core/http2/stream.py b/scrapy/core/http2/stream.py index a02fbb328..d8b5cc8eb 100644 --- a/scrapy/core/http2/stream.py +++ b/scrapy/core/http2/stream.py @@ -20,7 +20,7 @@ if TYPE_CHECKING: from hpack import HeaderTuple from scrapy.core.http2.protocol import H2ClientProtocol - from scrapy.http import Request + from scrapy.http import Request, Response logger = logging.getLogger(__name__) @@ -154,7 +154,7 @@ class Stream: else: self.close(StreamCloseReason.CANCELLED) - self._deferred_response: Deferred = Deferred(_cancel) + self._deferred_response: Deferred[Response] = Deferred(_cancel) def __repr__(self) -> str: return f"Stream(id={self.stream_id!r})" @@ -180,7 +180,7 @@ class Stream: and not self.metadata["reached_warnsize"] ) - def get_response(self) -> Deferred: + def get_response(self) -> Deferred[Response]: """Simply return a Deferred which fires when response from the asynchronous request is available """ diff --git a/scrapy/core/scraper.py b/scrapy/core/scraper.py index 8a9e8f687..a7d65e1e3 100644 --- a/scrapy/core/scraper.py +++ b/scrapy/core/scraper.py @@ -13,6 +13,7 @@ from typing import ( Generator, Iterable, Iterator, + List, Optional, Set, Tuple, @@ -34,7 +35,6 @@ from scrapy.logformatter import LogFormatter from scrapy.pipelines import ItemPipelineManager from scrapy.signalmanager import SignalManager from scrapy.utils.defer import ( - DeferredListResultListT, aiter_errback, defer_fail, defer_succeed, @@ -54,7 +54,7 @@ logger = logging.getLogger(__name__) _T = TypeVar("_T") -_ParallelResult = DeferredListResultListT[Iterator[Any]] +_ParallelResult = List[Tuple[bool, Iterator[Any]]] if TYPE_CHECKING: # parameterized Deferreds require Twisted 21.7.0 @@ -374,7 +374,7 @@ class Scraper: def _itemproc_finished( self, output: Any, item: Any, response: Response, spider: Spider - ) -> Deferred: + ) -> Deferred[Any]: """ItemProcessor finished for the given ``item`` and returned ``output``""" assert self.slot is not None # typing self.slot.itemproc_size -= 1 diff --git a/scrapy/core/spidermw.py b/scrapy/core/spidermw.py index 37a666605..c9feac29c 100644 --- a/scrapy/core/spidermw.py +++ b/scrapy/core/spidermw.py @@ -302,7 +302,10 @@ class SpiderMiddlewareManager(MiddlewareManager): recovered = MutableChain() result = self._evaluate_iterable(response, spider, result, 0, recovered) result = await maybe_deferred_to_future( - self._process_spider_output(response, spider, result) + cast( + "Deferred[Union[Iterable[_T], AsyncIterable[_T]]]", + self._process_spider_output(response, spider, result), + ) ) if isinstance(result, AsyncIterable): return MutableAsyncChain(result, recovered) @@ -339,7 +342,7 @@ class SpiderMiddlewareManager(MiddlewareManager): def process_start_requests( self, start_requests: Iterable[Request], spider: Spider - ) -> Deferred: + ) -> Deferred[Iterable[Request]]: return self._process_chain("process_start_requests", start_requests, spider) # This method is only needed until _async compatibility methods are removed. diff --git a/scrapy/crawler.py b/scrapy/crawler.py index 4fe5987a7..877ea5928 100644 --- a/scrapy/crawler.py +++ b/scrapy/crawler.py @@ -4,7 +4,18 @@ import logging import pprint import signal import warnings -from typing import TYPE_CHECKING, Any, Dict, Generator, Optional, Set, Type, Union, cast +from typing import ( + TYPE_CHECKING, + Any, + Dict, + Generator, + Optional, + Set, + Type, + TypeVar, + Union, + cast, +) from twisted.internet.defer import ( Deferred, @@ -54,6 +65,8 @@ if TYPE_CHECKING: logger = logging.getLogger(__name__) +_T = TypeVar("_T") + class Crawler: def __init__( @@ -140,7 +153,7 @@ class Crawler: ) @inlineCallbacks - def crawl(self, *args: Any, **kwargs: Any) -> Generator[Deferred, Any, None]: + def crawl(self, *args: Any, **kwargs: Any) -> Generator[Deferred[Any], Any, None]: if self.crawling: raise RuntimeError("Crawling already taking place") if self._started: @@ -172,7 +185,7 @@ class Crawler: return ExecutionEngine(self, lambda _: self.stop()) @inlineCallbacks - def stop(self) -> Generator[Deferred, Any, None]: + def stop(self) -> Generator[Deferred[Any], Any, None]: """Starts a graceful stop of the crawler and returns a deferred that is fired when the crawler is stopped.""" if self.crawling: @@ -256,7 +269,7 @@ class CrawlerRunner: self.settings = settings self.spider_loader = self._get_spider_loader(settings) self._crawlers: Set[Crawler] = set() - self._active: Set[Deferred] = set() + self._active: Set[Deferred[None]] = set() self.bootstrap_failed = False def crawl( @@ -264,7 +277,7 @@ class CrawlerRunner: crawler_or_spidercls: Union[Type[Spider], str, Crawler], *args: Any, **kwargs: Any, - ) -> Deferred: + ) -> Deferred[None]: """ Run a crawler with the provided arguments. @@ -294,12 +307,12 @@ class CrawlerRunner: crawler = self.create_crawler(crawler_or_spidercls) return self._crawl(crawler, *args, **kwargs) - def _crawl(self, crawler: Crawler, *args: Any, **kwargs: Any) -> Deferred: + def _crawl(self, crawler: Crawler, *args: Any, **kwargs: Any) -> Deferred[None]: self.crawlers.add(crawler) d = crawler.crawl(*args, **kwargs) self._active.add(d) - def _done(result: Any) -> Any: + def _done(result: _T) -> _T: self.crawlers.discard(crawler) self._active.discard(d) self.bootstrap_failed |= not getattr(crawler, "spider", None) @@ -335,7 +348,7 @@ class CrawlerRunner: # temporary cast until self.spider_loader is typed return Crawler(cast(Type[Spider], spidercls), self.settings) - def stop(self) -> Deferred: + def stop(self) -> Deferred[Any]: """ Stops simultaneously all the crawling jobs taking place. @@ -344,7 +357,7 @@ class CrawlerRunner: return DeferredList([c.stop() for c in list(self.crawlers)]) @inlineCallbacks - def join(self) -> Generator[Deferred, Any, None]: + def join(self) -> Generator[Deferred[Any], Any, None]: """ join() @@ -460,7 +473,7 @@ class CrawlerProcess(CrawlerRunner): ) reactor.run(installSignalHandlers=install_signal_handlers) # blocking call - def _graceful_stop_reactor(self) -> Deferred: + def _graceful_stop_reactor(self) -> Deferred[Any]: d = self.stop() d.addBoth(self._stop_reactor) return d diff --git a/scrapy/downloadermiddlewares/robotstxt.py b/scrapy/downloadermiddlewares/robotstxt.py index 70393576b..73757162f 100644 --- a/scrapy/downloadermiddlewares/robotstxt.py +++ b/scrapy/downloadermiddlewares/robotstxt.py @@ -7,7 +7,7 @@ enable this middleware and enable the ROBOTSTXT_OBEY setting. from __future__ import annotations import logging -from typing import TYPE_CHECKING, Any, Dict, Optional, Union +from typing import TYPE_CHECKING, Dict, Optional, TypeVar, Union from twisted.internet.defer import Deferred, maybeDeferred @@ -31,6 +31,8 @@ if TYPE_CHECKING: logger = logging.getLogger(__name__) +_T = TypeVar("_T") + class RobotsTxtMiddleware: DOWNLOAD_PRIORITY: int = 1000 @@ -43,7 +45,9 @@ class RobotsTxtMiddleware: "ROBOTSTXT_USER_AGENT", None ) self.crawler: Crawler = crawler - self._parsers: Dict[str, Union[RobotParser, Deferred, None]] = {} + self._parsers: Dict[ + str, Union[RobotParser, Deferred[Optional[RobotParser]], None] + ] = {} self._parserimpl: RobotParser = load_object( crawler.settings.get("ROBOTSTXT_PARSER") ) @@ -55,14 +59,18 @@ class RobotsTxtMiddleware: def from_crawler(cls, crawler: Crawler) -> Self: return cls(crawler) - def process_request(self, request: Request, spider: Spider) -> Optional[Deferred]: + def process_request( + self, request: Request, spider: Spider + ) -> Optional[Deferred[None]]: if request.meta.get("dont_obey_robotstxt"): return None if request.url.startswith("data:") or request.url.startswith("file:"): return None - d: Deferred = maybeDeferred(self.robot_parser, request, spider) - d.addCallback(self.process_request_2, request, spider) - return d + d: Deferred[Optional[RobotParser]] = maybeDeferred( + self.robot_parser, request, spider # type: ignore[arg-type] + ) + d2: Deferred[None] = d.addCallback(self.process_request_2, request, spider) + return d2 def process_request_2( self, rp: Optional[RobotParser], request: Request, spider: Spider @@ -86,7 +94,7 @@ class RobotsTxtMiddleware: def robot_parser( self, request: Request, spider: Spider - ) -> Union[RobotParser, Deferred, None]: + ) -> Union[RobotParser, Deferred[Optional[RobotParser]], None]: url = urlparse_cached(request) netloc = url.netloc @@ -109,9 +117,9 @@ class RobotsTxtMiddleware: parser = self._parsers[netloc] if isinstance(parser, Deferred): - d: Deferred = Deferred() + d: Deferred[Optional[RobotParser]] = Deferred() - def cb(result: Any) -> Any: + def cb(result: Optional[RobotParser]) -> Optional[RobotParser]: d.callback(result) return result diff --git a/scrapy/dupefilters.py b/scrapy/dupefilters.py index ffaf783a7..40ea48510 100644 --- a/scrapy/dupefilters.py +++ b/scrapy/dupefilters.py @@ -31,10 +31,10 @@ class BaseDupeFilter: def request_seen(self, request: Request) -> bool: return False - def open(self) -> Optional[Deferred]: + def open(self) -> Optional[Deferred[None]]: pass - def close(self, reason: str) -> Optional[Deferred]: + def close(self, reason: str) -> Optional[Deferred[None]]: pass def log(self, request: Request, spider: Spider) -> None: diff --git a/scrapy/extensions/feedexport.py b/scrapy/extensions/feedexport.py index 43c2d2815..0d7f5bfd4 100644 --- a/scrapy/extensions/feedexport.py +++ b/scrapy/extensions/feedexport.py @@ -149,7 +149,7 @@ class FeedStorageProtocol(Protocol): """Open the storage for the given spider. It must return a file-like object that will be used for the exporters""" - def store(self, file: IO[bytes]) -> Optional[Deferred]: + def store(self, file: IO[bytes]) -> Optional[Deferred[None]]: """Store the given file stream""" @@ -162,7 +162,7 @@ class BlockingFeedStorage: return NamedTemporaryFile(prefix="feed-", dir=path) - def store(self, file: IO[bytes]) -> Optional[Deferred]: + def store(self, file: IO[bytes]) -> Optional[Deferred[None]]: return deferToThread(self._store_in_thread, file) def _store_in_thread(self, file: IO[bytes]) -> None: @@ -192,7 +192,7 @@ class StdoutFeedStorage: def open(self, spider: Spider) -> IO[bytes]: return self._stdout - def store(self, file: IO[bytes]) -> Optional[Deferred]: + def store(self, file: IO[bytes]) -> Optional[Deferred[None]]: pass @@ -211,7 +211,7 @@ class FileFeedStorage: dirname.mkdir(parents=True) return Path(self.path).open(self.write_mode) - def store(self, file: IO[bytes]) -> Optional[Deferred]: + def store(self, file: IO[bytes]) -> Optional[Deferred[None]]: file.close() return None @@ -483,7 +483,7 @@ _FeedSlot = create_deprecated_class( class FeedExporter: - _pending_deferreds: List[Deferred] = [] + _pending_deferreds: List[Deferred[None]] = [] @classmethod def from_crawler(cls, crawler: Crawler) -> Self: @@ -570,7 +570,7 @@ class FeedExporter: self.crawler.signals.send_catch_log_deferred(signals.feed_exporter_closed) ) - def _close_slot(self, slot: FeedSlot, spider: Spider) -> Optional[Deferred]: + def _close_slot(self, slot: FeedSlot, spider: Spider) -> Optional[Deferred[None]]: def get_file(slot_: FeedSlot) -> IO[bytes]: assert slot_.file if isinstance(slot_.file, PostProcessingManager): @@ -590,7 +590,7 @@ class FeedExporter: return None logmsg = f"{slot.format} feed ({slot.itemcount} items) in: {slot.uri}" - d: Deferred = maybeDeferred(slot.storage.store, get_file(slot)) + d: Deferred[None] = maybeDeferred(slot.storage.store, get_file(slot)) # type: ignore[arg-type] d.addCallback( self._handle_store_success, logmsg, spider, type(slot.storage).__name__ @@ -621,7 +621,7 @@ class FeedExporter: self.crawler.stats.inc_value(f"feedexport/failed_count/{slot_type}") def _handle_store_success( - self, f: Failure, logmsg: str, spider: Spider, slot_type: str + self, result: Any, logmsg: str, spider: Spider, slot_type: str ) -> None: logger.info("Stored %s", logmsg, extra={"spider": spider}) assert self.crawler.stats diff --git a/scrapy/extensions/statsmailer.py b/scrapy/extensions/statsmailer.py index e43de6f5c..cad607514 100644 --- a/scrapy/extensions/statsmailer.py +++ b/scrapy/extensions/statsmailer.py @@ -39,7 +39,7 @@ class StatsMailer: crawler.signals.connect(o.spider_closed, signal=signals.spider_closed) return o - def spider_closed(self, spider: Spider) -> Optional[Deferred]: + def spider_closed(self, spider: Spider) -> Optional[Deferred[None]]: spider_stats = self.stats.get_stats(spider) body = "Global stats\n\n" body += "\n".join(f"{k:<50} : {v}" for k, v in self.stats.get_stats().items()) diff --git a/scrapy/mail.py b/scrapy/mail.py index 3ea20e831..c020732f9 100644 --- a/scrapy/mail.py +++ b/scrapy/mail.py @@ -103,7 +103,7 @@ class MailSender: mimetype: str = "text/plain", charset: Optional[str] = None, _callback: Optional[Callable[..., None]] = None, - ) -> Optional[Deferred]: + ) -> Optional[Deferred[None]]: from twisted.internet import reactor msg: MIMEBase @@ -155,7 +155,9 @@ class MailSender: ) return None - dfd = self._sendmail(rcpts, msg.as_string().encode(charset or "utf-8")) + dfd: Deferred[Any] = self._sendmail( + rcpts, msg.as_string().encode(charset or "utf-8") + ) dfd.addCallback(self._sent_ok, to, cc, subject, len(attachs)) dfd.addErrback(self._sent_failed, to, cc, subject, len(attachs)) reactor.addSystemEventTrigger("before", "shutdown", lambda: dfd) @@ -198,11 +200,11 @@ class MailSender: ) return failure - def _sendmail(self, to_addrs: List[str], msg: bytes) -> Deferred: + def _sendmail(self, to_addrs: List[str], msg: bytes) -> Deferred[Any]: from twisted.internet import reactor msg_io = BytesIO(msg) - d: Deferred = Deferred() + d: Deferred[Any] = Deferred() factory = self._create_sender_factory(to_addrs, msg_io, d) @@ -216,7 +218,7 @@ class MailSender: return d def _create_sender_factory( - self, to_addrs: List[str], msg: IO[bytes], d: Deferred + self, to_addrs: List[str], msg: IO[bytes], d: Deferred[Any] ) -> ESMTPSenderFactory: from twisted.mail.smtp import ESMTPSenderFactory diff --git a/scrapy/middleware.py b/scrapy/middleware.py index ea5488ba1..2296db90e 100644 --- a/scrapy/middleware.py +++ b/scrapy/middleware.py @@ -13,6 +13,7 @@ from typing import ( List, Optional, Tuple, + TypeVar, Union, cast, ) @@ -24,16 +25,22 @@ from scrapy.utils.misc import build_from_crawler, build_from_settings, load_obje if TYPE_CHECKING: from twisted.internet.defer import Deferred + # typing.Concatenate and typing.ParamSpec require Python 3.10 # typing.Self requires Python 3.11 - from typing_extensions import Self + from typing_extensions import Concatenate, ParamSpec, Self from scrapy import Spider from scrapy.crawler import Crawler from scrapy.settings import Settings + _P = ParamSpec("_P") + logger = logging.getLogger(__name__) +_T = TypeVar("_T") +_T2 = TypeVar("_T2") + class MiddlewareManager: """Base class for implementing middleware managers""" @@ -98,16 +105,22 @@ class MiddlewareManager: if hasattr(mw, "close_spider"): self.methods["close_spider"].appendleft(mw.close_spider) - def _process_parallel(self, methodname: str, obj: Any, *args: Any) -> Deferred: - methods = cast(Iterable[Callable], self.methods[methodname]) + def _process_parallel( + self, methodname: str, obj: _T, *args: Any + ) -> Deferred[List[_T2]]: + methods = cast( + "Iterable[Callable[Concatenate[_T, _P], _T2]]", self.methods[methodname] + ) return process_parallel(methods, obj, *args) - def _process_chain(self, methodname: str, obj: Any, *args: Any) -> Deferred: - methods = cast(Iterable[Callable], self.methods[methodname]) + def _process_chain(self, methodname: str, obj: _T, *args: Any) -> Deferred[_T]: + methods = cast( + "Iterable[Callable[Concatenate[_T, _P], _T]]", self.methods[methodname] + ) return process_chain(methods, obj, *args) - def open_spider(self, spider: Spider) -> Deferred: + def open_spider(self, spider: Spider) -> Deferred[List[None]]: return self._process_parallel("open_spider", spider) - def close_spider(self, spider: Spider) -> Deferred: + def close_spider(self, spider: Spider) -> Deferred[List[None]]: return self._process_parallel("close_spider", spider) diff --git a/scrapy/shell.py b/scrapy/shell.py index 2c22d3d8f..b7e46274f 100644 --- a/scrapy/shell.py +++ b/scrapy/shell.py @@ -4,6 +4,8 @@ See documentation in docs/topics/shell.rst """ +from __future__ import annotations + import os import signal from typing import Any, Callable, Dict, Optional, Tuple, Union @@ -92,7 +94,9 @@ class Shell: self.vars, shells=shells, banner=self.vars.pop("banner", "") ) - def _schedule(self, request: Request, spider: Optional[Spider]) -> defer.Deferred: + def _schedule( + self, request: Request, spider: Optional[Spider] + ) -> defer.Deferred[Any]: if is_asyncio_reactor_installed(): # set the asyncio event loop for the current thread event_loop_path = self.crawler.settings["ASYNCIO_EVENT_LOOP"] @@ -209,7 +213,7 @@ def inspect_response(response: Response, spider: Spider) -> None: signal.signal(signal.SIGINT, sigint_handler) -def _request_deferred(request: Request) -> defer.Deferred: +def _request_deferred(request: Request) -> defer.Deferred[Any]: """Wrap a request inside a Deferred. This function is harmful, do not use it until you know what you are doing. @@ -228,7 +232,7 @@ def _request_deferred(request: Request) -> defer.Deferred: request.errback = request_errback return result - d: defer.Deferred = defer.Deferred() + d: defer.Deferred[Any] = defer.Deferred() d.addBoth(_restore_callbacks) if request.callback: d.addCallback(request.callback) diff --git a/scrapy/signalmanager.py b/scrapy/signalmanager.py index 3d37b8235..b2c6dea5d 100644 --- a/scrapy/signalmanager.py +++ b/scrapy/signalmanager.py @@ -50,7 +50,9 @@ class SignalManager: kwargs.setdefault("sender", self.sender) return _signal.send_catch_log(signal, **kwargs) - def send_catch_log_deferred(self, signal: Any, **kwargs: Any) -> Deferred: + def send_catch_log_deferred( + self, signal: Any, **kwargs: Any + ) -> Deferred[List[Tuple[Any, Any]]]: """ Like :meth:`send_catch_log` but supports returning :class:`~twisted.internet.defer.Deferred` objects from signal handlers. diff --git a/scrapy/spiders/__init__.py b/scrapy/spiders/__init__.py index 7b43f04f2..f0b0c0988 100644 --- a/scrapy/spiders/__init__.py +++ b/scrapy/spiders/__init__.py @@ -7,9 +7,7 @@ See documentation in docs/topics/spiders.rst from __future__ import annotations import logging -from typing import TYPE_CHECKING, Any, Dict, Iterable, List, Optional, Union, cast - -from twisted.internet.defer import Deferred +from typing import TYPE_CHECKING, Any, Dict, Iterable, List, Optional, cast from scrapy import signals from scrapy.http import Request, Response @@ -19,6 +17,8 @@ from scrapy.utils.url import url_is_from_spider if TYPE_CHECKING: from collections.abc import Callable + from twisted.internet.defer import Deferred + # typing.Concatenate requires Python 3.10 # typing.Self requires Python 3.11 from typing_extensions import Concatenate, Self @@ -105,10 +105,10 @@ class Spider(object_ref): return url_is_from_spider(request.url, cls) @staticmethod - def close(spider: Spider, reason: str) -> Union[Deferred, None]: + def close(spider: Spider, reason: str) -> Optional[Deferred[None]]: closed = getattr(spider, "closed", None) if callable(closed): - return cast(Union[Deferred, None], closed(reason)) + return cast("Optional[Deferred[None]]", closed(reason)) return None def __repr__(self) -> str: diff --git a/scrapy/utils/defer.py b/scrapy/utils/defer.py index 1d578e8a3..c5763a06c 100644 --- a/scrapy/utils/defer.py +++ b/scrapy/utils/defer.py @@ -49,13 +49,8 @@ if TYPE_CHECKING: _T = TypeVar("_T") _T2 = TypeVar("_T2") -# copied from twisted.internet.defer -_SelfResultT = TypeVar("_SelfResultT") -_DeferredListResultItemT = Tuple[bool, _SelfResultT] -DeferredListResultListT = List[_DeferredListResultItemT[_SelfResultT]] - -def defer_fail(_failure: Failure) -> Deferred: +def defer_fail(_failure: Failure) -> Deferred[Any]: """Same as twisted.internet.defer.fail but delay calling errback until next reactor loop @@ -64,7 +59,7 @@ def defer_fail(_failure: Failure) -> Deferred: """ from twisted.internet import reactor - d: Deferred = Deferred() + d: Deferred[Any] = Deferred() reactor.callLater(0.1, d.errback, _failure) return d @@ -78,12 +73,12 @@ def defer_succeed(result: _T) -> Deferred[_T]: """ from twisted.internet import reactor - d: Deferred = Deferred() + d: Deferred[_T] = Deferred() reactor.callLater(0.1, d.callback, result) return d -def defer_result(result: Any) -> Deferred: +def defer_result(result: Any) -> Deferred[Any]: if isinstance(result, Deferred): return result if isinstance(result, failure.Failure): @@ -138,14 +133,14 @@ def parallel( callable: Callable[Concatenate[_T, _P], _T2], *args: _P.args, **named: _P.kwargs, -) -> Deferred[DeferredListResultListT[Iterator[_T2]]]: +) -> Deferred[List[Tuple[bool, Iterator[_T2]]]]: """Execute a callable over the objects in the given iterable, in parallel, using no more than ``count`` concurrent calls. Taken from: https://jcalderone.livejournal.com/24285.html """ coop = Cooperator() - work = (callable(elem, *args, **named) for elem in iterable) + work: Iterator[_T2] = (callable(elem, *args, **named) for elem in iterable) return DeferredList([coop.coiterate(work) for _ in range(count)]) @@ -198,16 +193,16 @@ class _AsyncCooperatorAdapter(Iterator[Deferred]): def __init__( self, aiterable: AsyncIterable[_T], - callable: Callable[Concatenate[_T, _P], _T2], + callable: Callable[Concatenate[_T, _P], Optional[Deferred[Any]]], *callable_args: _P.args, **callable_kwargs: _P.kwargs, ): self.aiterator: AsyncIterator[_T] = aiterable.__aiter__() - self.callable: Callable[Concatenate[_T, _P], _T2] = callable + self.callable: Callable[Concatenate[_T, _P], Optional[Deferred[Any]]] = callable self.callable_args: Tuple[Any, ...] = callable_args self.callable_kwargs: Dict[str, Any] = callable_kwargs self.finished: bool = False - self.waiting_deferreds: List[Deferred] = [] + self.waiting_deferreds: List[Deferred[Any]] = [] self.anext_deferred: Optional[Deferred[_T]] = None def _callback(self, result: _T) -> None: @@ -241,12 +236,12 @@ class _AsyncCooperatorAdapter(Iterator[Deferred]): self.anext_deferred = deferred_from_coro(self.aiterator.__anext__()) self.anext_deferred.addCallbacks(self._callback, self._errback) - def __next__(self) -> Deferred: + def __next__(self) -> Deferred[Any]: # This puts a new Deferred into self.waiting_deferreds and returns it. # It also calls __anext__() if needed. if self.finished: raise StopIteration - d: Deferred = Deferred() + d: Deferred[Any] = Deferred() self.waiting_deferreds.append(d) if not self.anext_deferred: self._call_anext() @@ -256,25 +251,29 @@ class _AsyncCooperatorAdapter(Iterator[Deferred]): def parallel_async( async_iterable: AsyncIterable[_T], count: int, - callable: Callable[Concatenate[_T, _P], _T2], + callable: Callable[Concatenate[_T, _P], Optional[Deferred[Any]]], *args: _P.args, **named: _P.kwargs, -) -> Deferred[DeferredListResultListT[Iterator[_T2]]]: - """Like parallel but for async iterators""" +) -> Deferred[List[Tuple[bool, Iterator[Deferred[Any]]]]]: + """Like ``parallel`` but for async iterators""" coop = Cooperator() - work = _AsyncCooperatorAdapter(async_iterable, callable, *args, **named) - dl: Deferred = DeferredList([coop.coiterate(work) for _ in range(count)]) + work: Iterator[Deferred[Any]] = _AsyncCooperatorAdapter( + async_iterable, callable, *args, **named + ) + dl: Deferred[List[Tuple[bool, Iterator[Deferred[Any]]]]] = DeferredList( + [coop.coiterate(work) for _ in range(count)] + ) return dl def process_chain( - callbacks: Iterable[Callable[Concatenate[_T, _P], Any]], - input: Any, + callbacks: Iterable[Callable[Concatenate[_T, _P], _T]], + input: _T, *a: _P.args, **kw: _P.kwargs, -) -> Deferred: +) -> Deferred[_T]: """Return a Deferred built by chaining the given callbacks""" - d: Deferred = Deferred() + d: Deferred[_T] = Deferred() for x in callbacks: d.addCallback(x, *a, **kw) d.callback(input) @@ -307,19 +306,21 @@ def process_chain_both( def process_parallel( - callbacks: Iterable[Callable[Concatenate[_T, _P], Any]], - input: Any, + callbacks: Iterable[Callable[Concatenate[_T, _P], _T2]], + input: _T, *a: _P.args, **kw: _P.kwargs, -) -> Deferred: +) -> Deferred[List[_T2]]: """Return a Deferred with the output of all successful calls to the given callbacks """ dfds = [defer.succeed(input).addCallback(x, *a, **kw) for x in callbacks] - d: Deferred = DeferredList(dfds, fireOnOneErrback=True, consumeErrors=True) - d.addCallback(lambda r: [x[1] for x in r]) - d.addErrback(lambda f: f.value.subFailure) - return d + d: Deferred[List[Tuple[bool, _T2]]] = DeferredList( + dfds, fireOnOneErrback=True, consumeErrors=True + ) + d2: Deferred[List[_T2]] = d.addCallback(lambda r: [x[1] for x in r]) + d2.addErrback(lambda f: f.value.subFailure) + return d2 def iter_errback( @@ -404,7 +405,7 @@ def deferred_f_from_coro_f( def maybeDeferred_coro( f: Callable[_P, Any], *args: _P.args, **kw: _P.kwargs -) -> Deferred: +) -> Deferred[Any]: """Copy of defer.maybeDeferred that also converts coroutines to Deferreds.""" try: result = f(*args, **kw) @@ -420,7 +421,7 @@ def maybeDeferred_coro( return defer.succeed(result) -def deferred_to_future(d: Deferred) -> Future: +def deferred_to_future(d: Deferred[_T]) -> Future[_T]: """ .. versionadded:: 2.6.0 @@ -442,7 +443,7 @@ def deferred_to_future(d: Deferred) -> Future: return d.asFuture(_get_asyncio_event_loop()) -def maybe_deferred_to_future(d: Deferred) -> Union[Deferred, Future]: +def maybe_deferred_to_future(d: Deferred[_T]) -> Union[Deferred[_T], Future[_T]]: """ .. versionadded:: 2.6.0 diff --git a/scrapy/utils/signal.py b/scrapy/utils/signal.py index bb6d807ee..4310c1d56 100644 --- a/scrapy/utils/signal.py +++ b/scrapy/utils/signal.py @@ -1,5 +1,7 @@ """Helper functions for working with signals""" +from __future__ import annotations + import collections.abc import logging from typing import Any as TypingAny @@ -27,7 +29,7 @@ def send_catch_log( signal: TypingAny = Any, sender: TypingAny = Anonymous, *arguments: TypingAny, - **named: TypingAny + **named: TypingAny, ) -> List[Tuple[TypingAny, TypingAny]]: """Like pydispatcher.robust.sendRobust but it also logs errors and returns Failures instead of exceptions. @@ -73,8 +75,8 @@ def send_catch_log_deferred( signal: TypingAny = Any, sender: TypingAny = Anonymous, *arguments: TypingAny, - **named: TypingAny -) -> Deferred: + **named: TypingAny, +) -> Deferred[List[Tuple[TypingAny, TypingAny]]]: """Like send_catch_log but supports returning deferreds on signal handlers. Returns a deferred that gets fired once all signal handlers deferreds were fired. @@ -92,23 +94,25 @@ def send_catch_log_deferred( dont_log = named.pop("dont_log", None) spider = named.get("spider", None) - dfds = [] + dfds: List[Deferred[Tuple[TypingAny, TypingAny]]] = [] for receiver in liveReceivers(getAllReceivers(sender, signal)): - d = maybeDeferred_coro( + d: Deferred[TypingAny] = maybeDeferred_coro( robustApply, receiver, signal=signal, sender=sender, *arguments, **named ) d.addErrback(logerror, receiver) # TODO https://pylint.readthedocs.io/en/latest/user_guide/messages/warning/cell-var-from-loop.html - d.addBoth( + d2: Deferred[Tuple[TypingAny, TypingAny]] = d.addBoth( lambda result: ( receiver, # pylint: disable=cell-var-from-loop # noqa: B023 result, ) ) - dfds.append(d) - d = DeferredList(dfds) - d.addCallback(lambda out: [x[1] for x in out]) - return d + dfds.append(d2) + dl = DeferredList(dfds) + d3: Deferred[List[Tuple[TypingAny, TypingAny]]] = dl.addCallback( + lambda out: [x[1] for x in out] + ) + return d3 def disconnect_all(signal: TypingAny = Any, sender: TypingAny = Any) -> None: diff --git a/scrapy/utils/test.py b/scrapy/utils/test.py index fe2bfa042..30f235592 100644 --- a/scrapy/utils/test.py +++ b/scrapy/utils/test.py @@ -30,6 +30,7 @@ from scrapy.utils.boto import is_botocore_available if TYPE_CHECKING: from twisted.internet.defer import Deferred + from twisted.web.client import Response as TxResponse _T = TypeVar("_T") @@ -159,7 +160,7 @@ def mock_google_cloud_storage() -> Tuple[Any, Any, Any]: return (client_mock, bucket_mock, blob_mock) -def get_web_client_agent_req(url: str) -> Deferred: +def get_web_client_agent_req(url: str) -> Deferred[TxResponse]: from twisted.internet import reactor from twisted.web.client import Agent # imports twisted.internet.reactor diff --git a/scrapy/utils/testproc.py b/scrapy/utils/testproc.py index 8882bfc5f..bb269a9f5 100644 --- a/scrapy/utils/testproc.py +++ b/scrapy/utils/testproc.py @@ -22,7 +22,7 @@ class ProcessTest: args: Iterable[str], check_code: bool = True, settings: Optional[str] = None, - ) -> Deferred: + ) -> Deferred[TestProcessProtocol]: from twisted.internet import reactor env = os.environ.copy() @@ -49,7 +49,7 @@ class ProcessTest: class TestProcessProtocol(ProcessProtocol): def __init__(self) -> None: - self.deferred: Deferred = Deferred() + self.deferred: Deferred[TestProcessProtocol] = Deferred() self.out: bytes = b"" self.err: bytes = b"" self.exitcode: Optional[int] = None From 96d6519b25a3d7b02e8efa1180f6f59e5244f977 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Wed, 26 Jun 2024 17:43:59 +0500 Subject: [PATCH 237/786] Bump twine in twinecheck. (#6416) --- tox.ini | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tox.ini b/tox.ini index d665fc5a5..c325064d9 100644 --- a/tox.ini +++ b/tox.ini @@ -88,7 +88,7 @@ commands = [testenv:twinecheck] basepython = python3 deps = - twine==4.0.2 + twine==5.0.0 build==1.0.3 commands = python -m build --sdist From 41e15e93e7459673e93ff2591462b47b7ae01566 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Wed, 26 Jun 2024 17:44:12 +0500 Subject: [PATCH 238/786] Remove an obsolete import. (#6415) --- scrapy/crawler.py | 7 ------- 1 file changed, 7 deletions(-) diff --git a/scrapy/crawler.py b/scrapy/crawler.py index 877ea5928..ecb0a8150 100644 --- a/scrapy/crawler.py +++ b/scrapy/crawler.py @@ -23,13 +23,6 @@ from twisted.internet.defer import ( inlineCallbacks, maybeDeferred, ) - -try: - # zope >= 5.0 only supports MultipleInvalid - from zope.interface.exceptions import MultipleInvalid -except ImportError: - MultipleInvalid = None - from zope.interface.verify import verifyClass from scrapy import Spider, signals From 558b1d11d2f1e3063aba59d444fdb93d42a9ddb9 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Mon, 1 Jul 2024 12:30:49 +0500 Subject: [PATCH 239/786] Use CallbackT for Request.callback. (#6422) --- scrapy/commands/parse.py | 16 ++++++++-------- scrapy/contracts/__init__.py | 7 ++++--- scrapy/http/request/__init__.py | 20 ++++++++++++++------ scrapy/http/response/__init__.py | 12 +++++++----- scrapy/http/response/text.py | 12 +++++++----- scrapy/spiders/__init__.py | 8 ++------ scrapy/spiders/crawl.py | 15 +++++++++------ scrapy/spiders/sitemap.py | 8 ++++---- 8 files changed, 55 insertions(+), 43 deletions(-) diff --git a/scrapy/commands/parse.py b/scrapy/commands/parse.py index 1265aa38e..fbd200d88 100644 --- a/scrapy/commands/parse.py +++ b/scrapy/commands/parse.py @@ -9,7 +9,6 @@ from typing import ( TYPE_CHECKING, Any, AsyncGenerator, - Callable, Coroutine, Dict, Iterable, @@ -38,6 +37,7 @@ from scrapy.utils.spider import spidercls_for_request if TYPE_CHECKING: from twisted.python.failure import Failure + from scrapy.http.request import CallbackT from scrapy.spiders import Spider @@ -218,8 +218,8 @@ class Command(BaseRunSpiderCommand): opts: argparse.Namespace, depth: int, spider: Spider, - callback: Callable, - ) -> Tuple[List[Any], List[Request], argparse.Namespace, int, Spider, Callable]: + callback: CallbackT, + ) -> Tuple[List[Any], List[Request], argparse.Namespace, int, Spider, CallbackT]: items, requests = [], [] for x in spider_output: if is_item(x): @@ -231,7 +231,7 @@ class Command(BaseRunSpiderCommand): def run_callback( self, response: Response, - callback: Callable, + callback: CallbackT, cb_kwargs: Optional[Dict[str, Any]] = None, ) -> Deferred[Any]: cb_kwargs = cb_kwargs or {} @@ -240,7 +240,7 @@ class Command(BaseRunSpiderCommand): def get_callback_from_rules( self, spider: Spider, response: Response - ) -> Union[Callable, str, None]: + ) -> Union[CallbackT, str, None]: if getattr(spider, "rules", None): for rule in spider.rules: # type: ignore[attr-defined] if rule.link_extractor.matches(response.url): @@ -286,7 +286,7 @@ class Command(BaseRunSpiderCommand): def scraped_data( self, args: Tuple[ - List[Any], List[Request], argparse.Namespace, int, Spider, Callable + List[Any], List[Request], argparse.Namespace, int, Spider, CallbackT ], ) -> List[Any]: items, requests, opts, depth, spider, callback = args @@ -313,8 +313,8 @@ class Command(BaseRunSpiderCommand): spider: Spider, opts: argparse.Namespace, response: Optional[Response] = None, - ) -> Callable: - cb: Union[str, Callable, None] = None + ) -> CallbackT: + cb: Union[str, CallbackT, None] = None if response: cb = response.meta["_callback"] if not cb: diff --git a/scrapy/contracts/__init__.py b/scrapy/contracts/__init__.py index 440e0dc44..a7e129948 100644 --- a/scrapy/contracts/__init__.py +++ b/scrapy/contracts/__init__.py @@ -16,6 +16,7 @@ from typing import ( Optional, Tuple, Type, + cast, ) from unittest import TestCase, TestResult @@ -62,7 +63,7 @@ class Contract: if isinstance(cb_result, (AsyncGenerator, CoroutineType)): raise TypeError("Contracts don't support async callbacks") return list( # pylint: disable=return-in-finally - iterate_spider_output(cb_result) + cast(Iterable[Any], iterate_spider_output(cb_result)) ) request.callback = wrapper @@ -79,7 +80,7 @@ class Contract: cb_result = cb(response, **cb_kwargs) if isinstance(cb_result, (AsyncGenerator, CoroutineType)): raise TypeError("Contracts don't support async callbacks") - output = list(iterate_spider_output(cb_result)) + output = list(cast(Iterable[Any], iterate_spider_output(cb_result))) try: results.startTest(self.testcase_post) self.post_process(output) @@ -195,7 +196,7 @@ class ContractsManager: def cb_wrapper(response: Response, **cb_kwargs: Any) -> None: try: output = cb(response, **cb_kwargs) - output = list(iterate_spider_output(output)) + output = list(cast(Iterable[Any], iterate_spider_output(output))) except Exception: case = _create_testcase(method, "callback") results.addError(case, sys.exc_info()) diff --git a/scrapy/http/request/__init__.py b/scrapy/http/request/__init__.py index 04589dd37..9381a6cb3 100644 --- a/scrapy/http/request/__init__.py +++ b/scrapy/http/request/__init__.py @@ -12,7 +12,6 @@ from typing import ( TYPE_CHECKING, Any, AnyStr, - Callable, Dict, Iterable, List, @@ -37,8 +36,17 @@ from scrapy.utils.trackref import object_ref from scrapy.utils.url import escape_ajax if TYPE_CHECKING: + from collections.abc import Callable + + from twisted.python.failure import Failure + + # typing.Concatenate requires Python 3.10 # typing.NotRequired and typing.Self require Python 3.11 - from typing_extensions import NotRequired, Self + from typing_extensions import Concatenate, NotRequired, Self + + from scrapy.http import Response + + CallbackT = Callable[Concatenate[Response, ...], Any] class VerboseCookie(TypedDict): @@ -110,7 +118,7 @@ class Request(object_ref): def __init__( self, url: str, - callback: Optional[Callable] = None, + callback: Optional[CallbackT] = None, method: str = "GET", headers: Union[Mapping[AnyStr, Any], Iterable[Tuple[AnyStr, Any]], None] = None, body: Optional[Union[bytes, str]] = None, @@ -119,7 +127,7 @@ class Request(object_ref): encoding: str = "utf-8", priority: int = 0, dont_filter: bool = False, - errback: Optional[Callable] = None, + errback: Optional[Callable[[Failure], Any]] = None, flags: Optional[List[str]] = None, cb_kwargs: Optional[Dict[str, Any]] = None, ) -> None: @@ -137,8 +145,8 @@ class Request(object_ref): ) if not (callable(errback) or errback is None): raise TypeError(f"errback must be a callable, got {type(errback).__name__}") - self.callback: Optional[Callable] = callback - self.errback: Optional[Callable] = errback + self.callback: Optional[CallbackT] = callback + self.errback: Optional[Callable[[Failure], Any]] = errback self.cookies: CookiesT = cookies or {} self.headers: Headers = Headers(headers or {}, encoding=encoding) diff --git a/scrapy/http/response/__init__.py b/scrapy/http/response/__init__.py index ff3581abb..92e4852b6 100644 --- a/scrapy/http/response/__init__.py +++ b/scrapy/http/response/__init__.py @@ -27,7 +27,7 @@ from urllib.parse import urljoin from scrapy.exceptions import NotSupported from scrapy.http.headers import Headers -from scrapy.http.request import CookiesT, Request +from scrapy.http.request import Request from scrapy.link import Link from scrapy.utils.trackref import object_ref @@ -35,10 +35,12 @@ if TYPE_CHECKING: from ipaddress import IPv4Address, IPv6Address from twisted.internet.ssl import Certificate + from twisted.python.failure import Failure # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.http.request import CallbackT, CookiesT from scrapy.selector import SelectorList @@ -196,7 +198,7 @@ class Response(object_ref): def follow( self, url: Union[str, Link], - callback: Optional[Callable] = None, + callback: Optional[CallbackT] = None, method: str = "GET", headers: Union[Mapping[AnyStr, Any], Iterable[Tuple[AnyStr, Any]], None] = None, body: Optional[Union[bytes, str]] = None, @@ -205,7 +207,7 @@ class Response(object_ref): encoding: Optional[str] = "utf-8", priority: int = 0, dont_filter: bool = False, - errback: Optional[Callable] = None, + errback: Optional[Callable[[Failure], Any]] = None, cb_kwargs: Optional[Dict[str, Any]] = None, flags: Optional[List[str]] = None, ) -> Request: @@ -249,7 +251,7 @@ class Response(object_ref): def follow_all( self, urls: Iterable[Union[str, Link]], - callback: Optional[Callable] = None, + callback: Optional[CallbackT] = None, method: str = "GET", headers: Union[Mapping[AnyStr, Any], Iterable[Tuple[AnyStr, Any]], None] = None, body: Optional[Union[bytes, str]] = None, @@ -258,7 +260,7 @@ class Response(object_ref): encoding: Optional[str] = "utf-8", priority: int = 0, dont_filter: bool = False, - errback: Optional[Callable] = None, + errback: Optional[Callable[[Failure], Any]] = None, cb_kwargs: Optional[Dict[str, Any]] = None, flags: Optional[List[str]] = None, ) -> Iterable[Request]: diff --git a/scrapy/http/response/text.py b/scrapy/http/response/text.py index 0635f744f..588695002 100644 --- a/scrapy/http/response/text.py +++ b/scrapy/http/response/text.py @@ -41,7 +41,9 @@ from scrapy.utils.python import memoizemethod_noargs, to_unicode from scrapy.utils.response import get_base_url if TYPE_CHECKING: - from scrapy.http.request import CookiesT, Request + from twisted.python.failure import Failure + + from scrapy.http.request import CallbackT, CookiesT, Request from scrapy.selector import Selector, SelectorList @@ -179,7 +181,7 @@ class TextResponse(Response): def follow( self, url: Union[str, Link, parsel.Selector], - callback: Optional[Callable] = None, + callback: Optional[CallbackT] = None, method: str = "GET", headers: Union[Mapping[AnyStr, Any], Iterable[Tuple[AnyStr, Any]], None] = None, body: Optional[Union[bytes, str]] = None, @@ -188,7 +190,7 @@ class TextResponse(Response): encoding: Optional[str] = None, priority: int = 0, dont_filter: bool = False, - errback: Optional[Callable] = None, + errback: Optional[Callable[[Failure], Any]] = None, cb_kwargs: Optional[Dict[str, Any]] = None, flags: Optional[List[str]] = None, ) -> Request: @@ -232,7 +234,7 @@ class TextResponse(Response): def follow_all( self, urls: Union[Iterable[Union[str, Link]], parsel.SelectorList, None] = None, - callback: Optional[Callable] = None, + callback: Optional[CallbackT] = None, method: str = "GET", headers: Union[Mapping[AnyStr, Any], Iterable[Tuple[AnyStr, Any]], None] = None, body: Optional[Union[bytes, str]] = None, @@ -241,7 +243,7 @@ class TextResponse(Response): encoding: Optional[str] = None, priority: int = 0, dont_filter: bool = False, - errback: Optional[Callable] = None, + errback: Optional[Callable[[Failure], Any]] = None, cb_kwargs: Optional[Dict[str, Any]] = None, flags: Optional[List[str]] = None, css: Optional[str] = None, diff --git a/scrapy/spiders/__init__.py b/scrapy/spiders/__init__.py index f0b0c0988..d977acd26 100644 --- a/scrapy/spiders/__init__.py +++ b/scrapy/spiders/__init__.py @@ -15,20 +15,16 @@ from scrapy.utils.trackref import object_ref from scrapy.utils.url import url_is_from_spider if TYPE_CHECKING: - from collections.abc import Callable - from twisted.internet.defer import Deferred - # typing.Concatenate requires Python 3.10 # typing.Self requires Python 3.11 - from typing_extensions import Concatenate, Self + from typing_extensions import Self from scrapy.crawler import Crawler + from scrapy.http.request import CallbackT from scrapy.settings import BaseSettings, _SettingsKeyT from scrapy.utils.log import SpiderLoggerAdapter - CallbackT = Callable[Concatenate[Response, ...], Any] - class Spider(object_ref): """Base class for scrapy spiders. All spiders must inherit from this diff --git a/scrapy/spiders/crawl.py b/scrapy/spiders/crawl.py index 48c830d2a..2639f14b2 100644 --- a/scrapy/spiders/crawl.py +++ b/scrapy/spiders/crawl.py @@ -39,6 +39,7 @@ if TYPE_CHECKING: from typing_extensions import Self from scrapy.crawler import Crawler + from scrapy.http.request import CallbackT _T = TypeVar("_T") @@ -73,7 +74,7 @@ class Rule: def __init__( self, link_extractor: Optional[LinkExtractor] = None, - callback: Union[Callable, str, None] = None, + callback: Union[CallbackT, str, None] = None, cb_kwargs: Optional[Dict[str, Any]] = None, follow: Optional[bool] = None, process_links: Union[ProcessLinksT, str, None] = None, @@ -81,7 +82,7 @@ class Rule: errback: Union[Callable[[Failure], Any], str, None] = None, ): self.link_extractor: LinkExtractor = link_extractor or _default_link_extractor - self.callback: Union[Callable, str, None] = callback + self.callback: Union[CallbackT, str, None] = callback self.errback: Union[Callable[[Failure], Any], str, None] = errback self.cb_kwargs: Dict[str, Any] = cb_kwargs or {} self.process_links: Union[ProcessLinksT, str] = process_links or _identity @@ -92,7 +93,7 @@ class Rule: def _compile(self, spider: Spider) -> None: # this replaces method names with methods and we can't express this in type hints - self.callback = _get_method(self.callback, spider) + self.callback = cast("CallbackT", _get_method(self.callback, spider)) self.errback = cast(Callable[[Failure], Any], _get_method(self.errback, spider)) self.process_links = cast( ProcessLinksT, _get_method(self.process_links, spider) @@ -122,7 +123,9 @@ class CrawlSpider(Spider): def parse_start_url(self, response: Response, **kwargs: Any) -> Any: return [] - def process_results(self, response: Response, results: Any) -> Any: + def process_results( + self, response: Response, results: Iterable[Any] + ) -> Iterable[Any]: return results def _build_request(self, rule_index: int, link: Link) -> Request: @@ -152,7 +155,7 @@ class CrawlSpider(Spider): rule = self._rules[cast(int, response.meta["rule"])] return self._parse_response( response, - cast(Callable, rule.callback), + cast("CallbackT", rule.callback), {**rule.cb_kwargs, **cb_kwargs}, rule.follow, ) @@ -166,7 +169,7 @@ class CrawlSpider(Spider): async def _parse_response( self, response: Response, - callback: Optional[Callable], + callback: Optional[CallbackT], cb_kwargs: Dict[str, Any], follow: bool = True, ) -> AsyncIterable[Any]: diff --git a/scrapy/spiders/sitemap.py b/scrapy/spiders/sitemap.py index d082fbfdb..1542ef79c 100644 --- a/scrapy/spiders/sitemap.py +++ b/scrapy/spiders/sitemap.py @@ -5,7 +5,6 @@ import re from typing import ( TYPE_CHECKING, Any, - Callable, Dict, Iterable, List, @@ -27,6 +26,7 @@ if TYPE_CHECKING: from typing_extensions import Self from scrapy.crawler import Crawler + from scrapy.http.request import CallbackT logger = logging.getLogger(__name__) @@ -34,7 +34,7 @@ logger = logging.getLogger(__name__) class SitemapSpider(Spider): sitemap_urls: Sequence[str] = () sitemap_rules: Sequence[ - Tuple[Union[re.Pattern[str], str], Union[str, Callable]] + Tuple[Union[re.Pattern[str], str], Union[str, CallbackT]] ] = [("", "parse")] sitemap_follow: Sequence[Union[re.Pattern[str], str]] = [""] sitemap_alternate_links: bool = False @@ -54,10 +54,10 @@ class SitemapSpider(Spider): def __init__(self, *a: Any, **kw: Any): super().__init__(*a, **kw) - self._cbs: List[Tuple[re.Pattern[str], Callable]] = [] + self._cbs: List[Tuple[re.Pattern[str], CallbackT]] = [] for r, c in self.sitemap_rules: if isinstance(c, str): - c = cast(Callable, getattr(self, c)) + c = cast("CallbackT", getattr(self, c)) self._cbs.append((regex(r), c)) self._follow: List[re.Pattern[str]] = [regex(x) for x in self.sitemap_follow] From d8ecd28c5557e27f42e00bd1223b457468ea2ea7 Mon Sep 17 00:00:00 2001 From: mlmsmith <mlmsmith@hotmail.co.uk> Date: Thu, 4 Jul 2024 18:16:26 +0800 Subject: [PATCH 240/786] Documentation improvements (#6429) --- docs/intro/install.rst | 13 ++++--------- docs/intro/overview.rst | 12 ++++++------ 2 files changed, 10 insertions(+), 15 deletions(-) diff --git a/docs/intro/install.rst b/docs/intro/install.rst index c90c1d2bf..e6c9a683b 100644 --- a/docs/intro/install.rst +++ b/docs/intro/install.rst @@ -37,7 +37,7 @@ Note that sometimes this may require solving compilation issues for some Scrapy dependencies depending on your operating system, so be sure to check the :ref:`intro-install-platform-notes`. -For more detailed and platform specifics instructions, as well as +For more detailed and platform-specific instructions, as well as troubleshooting information, read on. @@ -101,7 +101,7 @@ Windows ------- Though it's possible to install Scrapy on Windows using pip, we recommend you -to install `Anaconda`_ or `Miniconda`_ and use the package from the +install `Anaconda`_ or `Miniconda`_ and use the package from the `conda-forge`_ channel, which will avoid most installation issues. Once you've installed `Anaconda`_ or `Miniconda`_, install Scrapy with:: @@ -141,7 +141,7 @@ But it should support older versions of Ubuntu too, like Ubuntu 14.04, albeit with potential issues with TLS connections. **Don't** use the ``python-scrapy`` package provided by Ubuntu, they are -typically too old and slow to catch up with latest Scrapy. +typically too old and slow to catch up with the latest Scrapy release. To install Scrapy on Ubuntu (or Ubuntu-based) systems, you need to install @@ -170,7 +170,7 @@ macOS Building Scrapy's dependencies requires the presence of a C compiler and development headers. On macOS this is typically provided by Apple’s Xcode -development tools. To install the Xcode command line tools open a terminal +development tools. To install the Xcode command-line tools, open a terminal window and run:: xcode-select --install @@ -200,11 +200,6 @@ solutions: brew install python - * Latest versions of python have ``pip`` bundled with them so you won't need - to install it separately. If this is not the case, upgrade python:: - - brew update; brew upgrade python - * *(Optional)* :ref:`Install Scrapy inside a Python virtual environment <intro-using-virtualenv>`. diff --git a/docs/intro/overview.rst b/docs/intro/overview.rst index ef1294470..cd17b1968 100644 --- a/docs/intro/overview.rst +++ b/docs/intro/overview.rst @@ -65,7 +65,7 @@ When you ran the command ``scrapy runspider quotes_spider.py``, Scrapy looked fo Spider definition inside it and ran it through its crawler engine. The crawl started by making requests to the URLs defined in the ``start_urls`` -attribute (in this case, only the URL for quotes in *humor* category) +attribute (in this case, only the URL for quotes in the *humor* category) and called the default callback method ``parse``, passing the response object as an argument. In the ``parse`` callback, we loop through the quote elements using a CSS Selector, yield a Python dict with the extracted quote text and author, @@ -83,9 +83,9 @@ While this enables you to do very fast crawls (sending multiple concurrent requests at the same time, in a fault-tolerant way) Scrapy also gives you control over the politeness of the crawl through :ref:`a few settings <topics-settings-ref>`. You can do things like setting a download delay between -each request, limiting amount of concurrent requests per domain or per IP, and +each request, limiting the amount of concurrent requests per domain or per IP, and even :ref:`using an auto-throttling extension <topics-autothrottle>` that tries -to figure out these automatically. +to figure these settings out automatically. .. note:: @@ -106,10 +106,10 @@ scraping easy and efficient, such as: * Built-in support for :ref:`selecting and extracting <topics-selectors>` data from HTML/XML sources using extended CSS selectors and XPath expressions, - with helper methods to extract using regular expressions. + with helper methods for extraction using regular expressions. * An :ref:`interactive shell console <topics-shell>` (IPython aware) for trying - out the CSS and XPath expressions to scrape data, very useful when writing or + out the CSS and XPath expressions to scrape data, which is very useful when writing or debugging your spiders. * Built-in support for :ref:`generating feed exports <topics-feed-exports>` in @@ -124,7 +124,7 @@ scraping easy and efficient, such as: well-defined API (middlewares, :ref:`extensions <topics-extensions>`, and :ref:`pipelines <topics-item-pipeline>`). -* Wide range of built-in extensions and middlewares for handling: +* A wide range of built-in extensions and middlewares for handling: - cookies and session handling - HTTP features like compression, authentication, caching From ceedb026f8c8ccb049187baa14202f98b2a3a60c Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 9 Jul 2024 11:34:58 +0500 Subject: [PATCH 241/786] Remove top-level imports that install the reactor from scrapy.extensions.telnet. (#6432) --- scrapy/extensions/telnet.py | 22 +++++++--------------- tests/test_crawler.py | 4 ---- tests/test_utils_log.py | 4 ---- 3 files changed, 7 insertions(+), 23 deletions(-) diff --git a/scrapy/extensions/telnet.py b/scrapy/extensions/telnet.py index c4e01b3d9..c64a0b417 100644 --- a/scrapy/extensions/telnet.py +++ b/scrapy/extensions/telnet.py @@ -10,21 +10,11 @@ import binascii import logging import os import pprint -import traceback from typing import TYPE_CHECKING, Any, Dict, List from twisted.internet import protocol from twisted.internet.tcp import Port -try: - from twisted.conch import manhole, telnet - from twisted.conch.insults import insults - - TWISTED_CONCH_AVAILABLE = True -except (ImportError, SyntaxError): - _TWISTED_CONCH_TRACEBACK = traceback.format_exc() - TWISTED_CONCH_AVAILABLE = False - from scrapy import signals from scrapy.exceptions import NotConfigured from scrapy.utils.decorators import defers @@ -33,6 +23,8 @@ from scrapy.utils.reactor import listen_tcp from scrapy.utils.trackref import print_live_refs if TYPE_CHECKING: + from twisted.conch import telnet + # typing.Self requires Python 3.11 from typing_extensions import Self @@ -50,11 +42,7 @@ class TelnetConsole(protocol.ServerFactory): def __init__(self, crawler: Crawler): if not crawler.settings.getbool("TELNETCONSOLE_ENABLED"): raise NotConfigured - if not TWISTED_CONCH_AVAILABLE: - raise NotConfigured( - "TELNETCONSOLE_ENABLED setting is True but required twisted " - "modules failed to import:\n" + _TWISTED_CONCH_TRACEBACK - ) + self.crawler: Crawler = crawler self.noisy: bool = False self.portrange: List[int] = [ @@ -88,6 +76,10 @@ class TelnetConsole(protocol.ServerFactory): self.port.stopListening() def protocol(self) -> telnet.TelnetTransport: # type: ignore[override] + # these import twisted.internet.reactor + from twisted.conch import manhole, telnet + from twisted.conch.insults import insults + class Portal: """An implementation of IPortal""" diff --git a/tests/test_crawler.py b/tests/test_crawler.py index 791ea1faa..c87e65758 100644 --- a/tests/test_crawler.py +++ b/tests/test_crawler.py @@ -21,7 +21,6 @@ import scrapy from scrapy import Spider from scrapy.crawler import Crawler, CrawlerProcess, CrawlerRunner from scrapy.exceptions import ScrapyDeprecationWarning -from scrapy.extensions import telnet from scrapy.extensions.throttle import AutoThrottle from scrapy.settings import Settings, default_settings from scrapy.spiderloader import SpiderLoader @@ -482,7 +481,6 @@ class CrawlerLoggingTestCase(unittest.TestCase): "LOG_FILE": str(log_file), # settings to avoid extra warnings "REQUEST_FINGERPRINTER_IMPLEMENTATION": "2.7", - "TELNETCONSOLE_ENABLED": telnet.TWISTED_CONCH_AVAILABLE, } configure_logging() @@ -516,8 +514,6 @@ class CrawlerLoggingTestCase(unittest.TestCase): custom_settings = { "LOG_FILE": str(log_file), "LOG_FILE_APPEND": False, - # disable telnet if not available to avoid an extra warning - "TELNETCONSOLE_ENABLED": telnet.TWISTED_CONCH_AVAILABLE, } configure_logging() diff --git a/tests/test_utils_log.py b/tests/test_utils_log.py index a8d080822..0f75bdb5c 100644 --- a/tests/test_utils_log.py +++ b/tests/test_utils_log.py @@ -11,7 +11,6 @@ import pytest from testfixtures import LogCapture from twisted.python.failure import Failure -from scrapy.extensions import telnet from scrapy.utils.log import ( LogCounterHandler, SpiderLoggerAdapter, @@ -70,9 +69,6 @@ class TopLevelFormatterTest(unittest.TestCase): class LogCounterHandlerTest(unittest.TestCase): def setUp(self): settings = {"LOG_LEVEL": "WARNING"} - if not telnet.TWISTED_CONCH_AVAILABLE: - # disable it to avoid the extra warning - settings["TELNETCONSOLE_ENABLED"] = False self.logger = logging.getLogger("test") self.logger.setLevel(logging.NOTSET) self.logger.propagate = False From 0b8604bb5d8bffbbd5c78783022965fa2606c131 Mon Sep 17 00:00:00 2001 From: guillermo-bondonno <guillermo.bondonno@zyte.com> Date: Tue, 9 Jul 2024 15:52:49 -0300 Subject: [PATCH 242/786] add CLOSESPIDER_PAGECOUNT_NO_ITEM to CloseSpider extension --- scrapy/extensions/closespider.py | 25 +++++++++++++++++++++++++ tests/keys/mitmproxy-dhparam.pem | 14 ++++++++++++++ tests/test_closespider.py | 13 +++++++++++++ 3 files changed, 52 insertions(+) create mode 100644 tests/keys/mitmproxy-dhparam.pem diff --git a/scrapy/extensions/closespider.py b/scrapy/extensions/closespider.py index 4627e7f98..6ebf98e65 100644 --- a/scrapy/extensions/closespider.py +++ b/scrapy/extensions/closespider.py @@ -12,6 +12,7 @@ from typing import TYPE_CHECKING, Any, DefaultDict, Dict from scrapy import Request, Spider, signals from scrapy.exceptions import NotConfigured +from scrapy.signalmanager import dispatcher if TYPE_CHECKING: from twisted.python.failure import Failure @@ -36,6 +37,9 @@ class CloseSpider: "pagecount": crawler.settings.getint("CLOSESPIDER_PAGECOUNT"), "errorcount": crawler.settings.getint("CLOSESPIDER_ERRORCOUNT"), "timeout_no_item": crawler.settings.getint("CLOSESPIDER_TIMEOUT_NO_ITEM"), + "pagecount_no_item": crawler.settings.getint( + "CLOSESPIDER_PAGECOUNT_NO_ITEM" + ), } if not any(self.close_on.values()): @@ -60,6 +64,19 @@ class CloseSpider: crawler.signals.connect( self.item_scraped_no_item, signal=signals.item_scraped ) + if self.close_on.get("pagecount_no_item"): + if self.page_count not in dispatcher.getReceivers( + signal=signals.response_received + ): + crawler.signals.connect( + self.page_count, signal=signals.response_received + ) + + if self.item_scraped not in dispatcher.getReceivers( + signal=signals.item_scraped + ): + crawler.signals.connect(self.item_scraped, signal=signals.item_scraped) + crawler.signals.connect(self.spider_closed, signal=signals.spider_closed) @classmethod @@ -74,9 +91,16 @@ class CloseSpider: def page_count(self, response: Response, request: Request, spider: Spider) -> None: self.counter["pagecount"] += 1 + self.counter["pagecount_since_last_item"] += 1 if self.counter["pagecount"] == self.close_on["pagecount"]: assert self.crawler.engine self.crawler.engine.close_spider(spider, "closespider_pagecount") + if self.close_on["pagecount_no_item"] and ( + self.counter["pagecount_since_last_item"] + >= self.close_on["pagecount_no_item"] + ): + assert self.crawler.engine + self.crawler.engine.close_spider(spider, "closespider_pagecount_no_item") def spider_opened(self, spider: Spider) -> None: from twisted.internet import reactor @@ -91,6 +115,7 @@ class CloseSpider: def item_scraped(self, item: Any, spider: Spider) -> None: self.counter["itemcount"] += 1 + self.counter["pagecount_since_last_item"] = 0 if self.counter["itemcount"] == self.close_on["itemcount"]: assert self.crawler.engine self.crawler.engine.close_spider(spider, "closespider_itemcount") diff --git a/tests/keys/mitmproxy-dhparam.pem b/tests/keys/mitmproxy-dhparam.pem new file mode 100644 index 000000000..c10121fbf --- /dev/null +++ b/tests/keys/mitmproxy-dhparam.pem @@ -0,0 +1,14 @@ + +-----BEGIN DH PARAMETERS----- +MIICCAKCAgEAyT6LzpwVFS3gryIo29J5icvgxCnCebcdSe/NHMkD8dKJf8suFCg3 +O2+dguLakSVif/t6dhImxInJk230HmfC8q93hdcg/j8rLGJYDKu3ik6H//BAHKIv +j5O9yjU3rXCfmVJQic2Nne39sg3CreAepEts2TvYHhVv3TEAzEqCtOuTjgDv0ntJ +Gwpj+BJBRQGG9NvprX1YGJ7WOFBP/hWU7d6tgvE6Xa7T/u9QIKpYHMIkcN/l3ZFB +chZEqVlyrcngtSXCROTPcDOQ6Q8QzhaBJS+Z6rcsd7X+haiQqvoFcmaJ08Ks6LQC +ZIL2EtYJw8V8z7C0igVEBIADZBI6OTbuuhDwRw//zU1uq52Oc48CIZlGxTYG/Evq +o9EWAXUYVzWkDSTeBH1r4z/qLPE2cnhtMxbFxuvK53jGB0emy2y1Ei6IhKshJ5qX +IB/aE7SSHyQ3MDHHkCmQJCsOd4Mo26YX61NZ+n501XjqpCBQ2+DfZCBh8Va2wDyv +A2Ryg9SUz8j0AXViRNMJgJrr446yro/FuJZwnQcO3WQnXeqSBnURqKjmqkeFP+d8 +6mk2tqJaY507lRNqtGlLnj7f5RNoBFJDCLBNurVgfvq9TCVWKDIFD4vZRjCrnl6I +rD693XKIHUCWOjMh1if6omGXKHH40QuME2gNa50+YPn1iYDl88uDbbMCAQI= +-----END DH PARAMETERS----- diff --git a/tests/test_closespider.py b/tests/test_closespider.py index 38ede70e4..caaa9f183 100644 --- a/tests/test_closespider.py +++ b/tests/test_closespider.py @@ -34,6 +34,19 @@ class TestCloseSpider(TestCase): pagecount = crawler.stats.get_value("response_received_count") self.assertTrue(pagecount >= close_on) + @defer.inlineCallbacks + def test_closespider_pagecount_no_item(self): + close_on = 5 + crawler = get_crawler( + FollowAllSpider, + {"CLOSESPIDER_PAGECOUNT_NO_ITEM": close_on}, + ) + yield crawler.crawl(mockserver=self.mockserver) + reason = crawler.spider.meta["close_reason"] + self.assertEqual(reason, "closespider_pagecount_no_item") + pagecount = crawler.stats.get_value("response_received_count") + self.assertTrue(pagecount >= close_on) + @defer.inlineCallbacks def test_closespider_errorcount(self): close_on = 5 From a44818afeacc25cc5e05705bf8ae5804e0545c89 Mon Sep 17 00:00:00 2001 From: guillermo-bondonno <guillermo.bondonno@zyte.com> Date: Tue, 9 Jul 2024 16:07:55 -0300 Subject: [PATCH 243/786] restore mitmproxy-dhparam --- tests/keys/mitmproxy-dhparam.pem | 14 -------------- 1 file changed, 14 deletions(-) delete mode 100644 tests/keys/mitmproxy-dhparam.pem diff --git a/tests/keys/mitmproxy-dhparam.pem b/tests/keys/mitmproxy-dhparam.pem deleted file mode 100644 index c10121fbf..000000000 --- a/tests/keys/mitmproxy-dhparam.pem +++ /dev/null @@ -1,14 +0,0 @@ - ------BEGIN DH PARAMETERS----- -MIICCAKCAgEAyT6LzpwVFS3gryIo29J5icvgxCnCebcdSe/NHMkD8dKJf8suFCg3 -O2+dguLakSVif/t6dhImxInJk230HmfC8q93hdcg/j8rLGJYDKu3ik6H//BAHKIv -j5O9yjU3rXCfmVJQic2Nne39sg3CreAepEts2TvYHhVv3TEAzEqCtOuTjgDv0ntJ -Gwpj+BJBRQGG9NvprX1YGJ7WOFBP/hWU7d6tgvE6Xa7T/u9QIKpYHMIkcN/l3ZFB -chZEqVlyrcngtSXCROTPcDOQ6Q8QzhaBJS+Z6rcsd7X+haiQqvoFcmaJ08Ks6LQC -ZIL2EtYJw8V8z7C0igVEBIADZBI6OTbuuhDwRw//zU1uq52Oc48CIZlGxTYG/Evq -o9EWAXUYVzWkDSTeBH1r4z/qLPE2cnhtMxbFxuvK53jGB0emy2y1Ei6IhKshJ5qX -IB/aE7SSHyQ3MDHHkCmQJCsOd4Mo26YX61NZ+n501XjqpCBQ2+DfZCBh8Va2wDyv -A2Ryg9SUz8j0AXViRNMJgJrr446yro/FuJZwnQcO3WQnXeqSBnURqKjmqkeFP+d8 -6mk2tqJaY507lRNqtGlLnj7f5RNoBFJDCLBNurVgfvq9TCVWKDIFD4vZRjCrnl6I -rD693XKIHUCWOjMh1if6omGXKHH40QuME2gNa50+YPn1iYDl88uDbbMCAQI= ------END DH PARAMETERS----- From d6352f9f66f655f11332fe6c52ed71ebb2e55bf4 Mon Sep 17 00:00:00 2001 From: guillermo-bondonno <guillermo.bondonno@zyte.com> Date: Wed, 10 Jul 2024 11:03:01 -0300 Subject: [PATCH 244/786] refactor changes on closespider.py and improve test --- scrapy/extensions/closespider.py | 18 +++--------------- tests/spiders.py | 17 +++++++++++++++++ tests/test_closespider.py | 24 +++++++++++++++++++----- 3 files changed, 39 insertions(+), 20 deletions(-) diff --git a/scrapy/extensions/closespider.py b/scrapy/extensions/closespider.py index 6ebf98e65..cef5527b7 100644 --- a/scrapy/extensions/closespider.py +++ b/scrapy/extensions/closespider.py @@ -12,7 +12,6 @@ from typing import TYPE_CHECKING, Any, DefaultDict, Dict from scrapy import Request, Spider, signals from scrapy.exceptions import NotConfigured -from scrapy.signalmanager import dispatcher if TYPE_CHECKING: from twisted.python.failure import Failure @@ -49,11 +48,11 @@ class CloseSpider: if self.close_on.get("errorcount"): crawler.signals.connect(self.error_count, signal=signals.spider_error) - if self.close_on.get("pagecount"): + if self.close_on.get("pagecount") or self.close_on.get("pagecount_no_item"): crawler.signals.connect(self.page_count, signal=signals.response_received) if self.close_on.get("timeout"): crawler.signals.connect(self.spider_opened, signal=signals.spider_opened) - if self.close_on.get("itemcount"): + if self.close_on.get("itemcount") or self.close_on.get("pagecount_no_item"): crawler.signals.connect(self.item_scraped, signal=signals.item_scraped) if self.close_on.get("timeout_no_item"): self.timeout_no_item: int = self.close_on["timeout_no_item"] @@ -64,18 +63,6 @@ class CloseSpider: crawler.signals.connect( self.item_scraped_no_item, signal=signals.item_scraped ) - if self.close_on.get("pagecount_no_item"): - if self.page_count not in dispatcher.getReceivers( - signal=signals.response_received - ): - crawler.signals.connect( - self.page_count, signal=signals.response_received - ) - - if self.item_scraped not in dispatcher.getReceivers( - signal=signals.item_scraped - ): - crawler.signals.connect(self.item_scraped, signal=signals.item_scraped) crawler.signals.connect(self.spider_closed, signal=signals.spider_closed) @@ -95,6 +82,7 @@ class CloseSpider: if self.counter["pagecount"] == self.close_on["pagecount"]: assert self.crawler.engine self.crawler.engine.close_spider(spider, "closespider_pagecount") + return if self.close_on["pagecount_no_item"] and ( self.counter["pagecount_since_last_item"] >= self.close_on["pagecount_no_item"] diff --git a/tests/spiders.py b/tests/spiders.py index ea419afbd..2bcec5624 100644 --- a/tests/spiders.py +++ b/tests/spiders.py @@ -283,6 +283,23 @@ class ItemSpider(FollowAllSpider): yield {} +class MaxItemsSpider(ItemSpider): + def __init__(self, max_items=10, *args, **kwargs): + super().__init__(*args, **kwargs) + self.max_items = max_items + self.items_scraped = 0 + + def parse(self, response): + for item_or_req in super().parse(response): + if isinstance(item_or_req, Request): + yield item_or_req + else: + if self.items_scraped >= self.max_items: + continue + self.items_scraped += 1 + yield item_or_req + + class DefaultError(Exception): pass diff --git a/tests/test_closespider.py b/tests/test_closespider.py index caaa9f183..0046b4e29 100644 --- a/tests/test_closespider.py +++ b/tests/test_closespider.py @@ -3,7 +3,13 @@ from twisted.trial.unittest import TestCase from scrapy.utils.test import get_crawler from tests.mockserver import MockServer -from tests.spiders import ErrorSpider, FollowAllSpider, ItemSpider, SlowSpider +from tests.spiders import ( + ErrorSpider, + FollowAllSpider, + ItemSpider, + MaxItemsSpider, + SlowSpider, +) class TestCloseSpider(TestCase): @@ -37,15 +43,23 @@ class TestCloseSpider(TestCase): @defer.inlineCallbacks def test_closespider_pagecount_no_item(self): close_on = 5 + close_on_pagecount = 20 + max_items = 5 crawler = get_crawler( - FollowAllSpider, - {"CLOSESPIDER_PAGECOUNT_NO_ITEM": close_on}, + MaxItemsSpider, + { + "CLOSESPIDER_PAGECOUNT_NO_ITEM": close_on, + "CLOSESPIDER_PAGECOUNT": close_on_pagecount, + }, ) - yield crawler.crawl(mockserver=self.mockserver) + yield crawler.crawl(max_items=max_items, mockserver=self.mockserver) reason = crawler.spider.meta["close_reason"] self.assertEqual(reason, "closespider_pagecount_no_item") pagecount = crawler.stats.get_value("response_received_count") - self.assertTrue(pagecount >= close_on) + itemcount = crawler.stats.get_value("item_scraped_count") + self.assertEqual(itemcount, max_items) + self.assertLess(pagecount, close_on_pagecount) + self.assertTrue((pagecount - itemcount) >= close_on) @defer.inlineCallbacks def test_closespider_errorcount(self): From 59782d73088e46618d1c042e74ce5197e880536a Mon Sep 17 00:00:00 2001 From: guillermo-bondonno <guillermo.bondonno@zyte.com> Date: Wed, 10 Jul 2024 11:08:22 -0300 Subject: [PATCH 245/786] update docs --- docs/topics/extensions.rst | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/docs/topics/extensions.rst b/docs/topics/extensions.rst index f7b2f3799..a503fd746 100644 --- a/docs/topics/extensions.rst +++ b/docs/topics/extensions.rst @@ -317,6 +317,18 @@ crawls more than that, the spider will be closed with the reason ``closespider_pagecount``. If zero (or non set), spiders won't be closed by number of crawled responses. +.. setting:: CLOSESPIDER_PAGECOUNT_NO_ITEM + +CLOSESPIDER_PAGECOUNT_NO_ITEM +""""""""""""""""""""" + +Default: ``0`` + +An integer which specifies the maximum number of consecutive responses to crawl without items scraped. If the spider +crawls more consecutive responses than that and no items are scraped in the meantime, the spider will be closed with the reason +``closespider_pagecount_no_item``. If zero (or non set), spiders won't be closed by +number of crawled responses with no items. + .. setting:: CLOSESPIDER_ERRORCOUNT CLOSESPIDER_ERRORCOUNT From 8646d2ec7bc44ef96f5df015e03ff37ceb5554c0 Mon Sep 17 00:00:00 2001 From: guillermo-bondonno <guillermo.bondonno@zyte.com> Date: Wed, 10 Jul 2024 11:44:44 -0300 Subject: [PATCH 246/786] fix docs detail --- docs/topics/extensions.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/topics/extensions.rst b/docs/topics/extensions.rst index a503fd746..29bcaa0f2 100644 --- a/docs/topics/extensions.rst +++ b/docs/topics/extensions.rst @@ -320,7 +320,7 @@ number of crawled responses. .. setting:: CLOSESPIDER_PAGECOUNT_NO_ITEM CLOSESPIDER_PAGECOUNT_NO_ITEM -""""""""""""""""""""" +""""""""""""""""""""""""""""" Default: ``0`` From 129dbfa0bf1ad464ab6b50f3dee0da39853de6a1 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 11 Jul 2024 12:20:36 +0500 Subject: [PATCH 247/786] Bump tool versions. --- .github/workflows/checks.yml | 4 ++-- .github/workflows/publish.yml | 4 ++-- .github/workflows/tests-macos.yml | 2 +- .github/workflows/tests-ubuntu.yml | 2 +- .github/workflows/tests-windows.yml | 2 +- .pre-commit-config.yaml | 12 ++++++------ tox.ini | 14 +++++++------- 7 files changed, 20 insertions(+), 20 deletions(-) diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml index ed1629b67..1841bda1c 100644 --- a/.github/workflows/checks.yml +++ b/.github/workflows/checks.yml @@ -32,7 +32,7 @@ jobs: - uses: actions/checkout@v4 - name: Set up Python ${{ matrix.python-version }} - uses: actions/setup-python@v4 + uses: actions/setup-python@v5 with: python-version: ${{ matrix.python-version }} @@ -46,4 +46,4 @@ jobs: runs-on: ubuntu-latest steps: - uses: actions/checkout@v4 - - uses: pre-commit/action@v3.0.0 + - uses: pre-commit/action@v3.0.1 diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml index affaa32a5..03e94f761 100644 --- a/.github/workflows/publish.yml +++ b/.github/workflows/publish.yml @@ -13,13 +13,13 @@ jobs: runs-on: ubuntu-latest steps: - uses: actions/checkout@v4 - - uses: actions/setup-python@v4 + - uses: actions/setup-python@v5 with: python-version: 3.12 - run: | pip install --upgrade build twine python -m build - name: Publish to PyPI - uses: pypa/gh-action-pypi-publish@v1.6.4 + uses: pypa/gh-action-pypi-publish@v1.9.0 with: password: ${{ secrets.PYPI_TOKEN }} diff --git a/.github/workflows/tests-macos.yml b/.github/workflows/tests-macos.yml index a297f494c..8ebe7f1db 100644 --- a/.github/workflows/tests-macos.yml +++ b/.github/workflows/tests-macos.yml @@ -17,7 +17,7 @@ jobs: - uses: actions/checkout@v4 - name: Set up Python ${{ matrix.python-version }} - uses: actions/setup-python@v4 + uses: actions/setup-python@v5 with: python-version: ${{ matrix.python-version }} diff --git a/.github/workflows/tests-ubuntu.yml b/.github/workflows/tests-ubuntu.yml index f50a4d104..763de9eff 100644 --- a/.github/workflows/tests-ubuntu.yml +++ b/.github/workflows/tests-ubuntu.yml @@ -62,7 +62,7 @@ jobs: - uses: actions/checkout@v4 - name: Set up Python ${{ matrix.python-version }} - uses: actions/setup-python@v4 + uses: actions/setup-python@v5 with: python-version: ${{ matrix.python-version }} diff --git a/.github/workflows/tests-windows.yml b/.github/workflows/tests-windows.yml index 757d62285..80d09e7a0 100644 --- a/.github/workflows/tests-windows.yml +++ b/.github/workflows/tests-windows.yml @@ -35,7 +35,7 @@ jobs: - uses: actions/checkout@v4 - name: Set up Python ${{ matrix.python-version }} - uses: actions/setup-python@v4 + uses: actions/setup-python@v5 with: python-version: ${{ matrix.python-version }} diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml index 38526d720..addad838f 100644 --- a/.pre-commit-config.yaml +++ b/.pre-commit-config.yaml @@ -1,11 +1,11 @@ repos: - repo: https://github.com/PyCQA/bandit - rev: 1.7.7 + rev: 1.7.9 hooks: - id: bandit args: [-r, -c, .bandit.yml] - repo: https://github.com/PyCQA/flake8 - rev: 7.0.0 + rev: 7.1.0 hooks: - id: flake8 additional_dependencies: @@ -16,7 +16,7 @@ repos: - flake8-string-format - flake8-type-checking - repo: https://github.com/psf/black.git - rev: 24.2.0 + rev: 24.4.2 hooks: - id: black - repo: https://github.com/pycqa/isort @@ -24,13 +24,13 @@ repos: hooks: - id: isort - repo: https://github.com/adamchainz/blacken-docs - rev: 1.16.0 + rev: 1.18.0 hooks: - id: blacken-docs additional_dependencies: - - black==24.2.0 + - black==24.4.2 - repo: https://github.com/asottile/pyupgrade - rev: v3.15.2 + rev: v3.16.0 hooks: - id: pyupgrade args: [--py38-plus, --keep-runtime-typing] diff --git a/tox.ini b/tox.ini index c325064d9..29d240031 100644 --- a/tox.ini +++ b/tox.ini @@ -46,14 +46,14 @@ install_command = [testenv:typing] basepython = python3 deps = - mypy==1.10.0 - typing-extensions==4.12.1 + mypy==1.10.1 + typing-extensions==4.12.2 types-lxml==2024.4.14 types-Pygments==2.18.0.20240506 types-pyOpenSSL==24.1.0.20240425 - types-setuptools==70.0.0.20240524 - botocore-stubs==1.34.94 - boto3-stubs[s3]==1.34.119 + types-setuptools==70.3.0.20240710 + botocore-stubs==1.34.143 + boto3-stubs[s3]==1.34.143 attrs >= 18.2.0 Pillow >= 10.3.0 pytest >= 8.2.0 @@ -88,8 +88,8 @@ commands = [testenv:twinecheck] basepython = python3 deps = - twine==5.0.0 - build==1.0.3 + twine==5.1.1 + build==1.2.1 commands = python -m build --sdist twine check dist/* From 435686830cbe86d14aa09c9259157695596be07f Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 11 Jul 2024 12:25:13 +0500 Subject: [PATCH 248/786] Bump the Python version for RTD. --- .github/workflows/checks.yml | 2 +- .readthedocs.yml | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml index 1841bda1c..2be6a9502 100644 --- a/.github/workflows/checks.yml +++ b/.github/workflows/checks.yml @@ -21,7 +21,7 @@ jobs: - python-version: 3.8 env: TOXENV: typing-tests - - python-version: "3.11" # Keep in sync with .readthedocs.yml + - python-version: "3.12" # Keep in sync with .readthedocs.yml env: TOXENV: docs - python-version: "3.12" diff --git a/.readthedocs.yml b/.readthedocs.yml index e71d34f3a..0c544df7e 100644 --- a/.readthedocs.yml +++ b/.readthedocs.yml @@ -9,7 +9,7 @@ build: tools: # For available versions, see: # https://docs.readthedocs.io/en/stable/config-file/v2.html#build-tools-python - python: "3.11" # Keep in sync with .github/workflows/checks.yml + python: "3.12" # Keep in sync with .github/workflows/checks.yml python: install: From 3c9c1a31bcdcced96e87e299689aaa7be8f5bdee Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 11 Jul 2024 12:30:12 +0500 Subject: [PATCH 249/786] Bump pylint. --- tox.ini | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tox.ini b/tox.ini index 29d240031..e3dd96425 100644 --- a/tox.ini +++ b/tox.ini @@ -81,7 +81,7 @@ commands = basepython = python3 deps = {[testenv:extra-deps]deps} - pylint==3.1.0 + pylint==3.2.5 commands = pylint conftest.py docs extras scrapy setup.py tests From a40d5281cfb8fdaf7d7edce80d3addbddef897a6 Mon Sep 17 00:00:00 2001 From: guillermo-bondonno <guillermo.bondonno@zyte.com> Date: Thu, 11 Jul 2024 11:14:30 -0300 Subject: [PATCH 250/786] improve test_closespider_pagecount_no_item and MaxItemsSpider --- tests/spiders.py | 13 +++++-------- tests/test_closespider.py | 10 ++++------ 2 files changed, 9 insertions(+), 14 deletions(-) diff --git a/tests/spiders.py b/tests/spiders.py index 2bcec5624..d1998ca69 100644 --- a/tests/spiders.py +++ b/tests/spiders.py @@ -283,21 +283,18 @@ class ItemSpider(FollowAllSpider): yield {} -class MaxItemsSpider(ItemSpider): +class MaxItemsKeepCrawlingSpider(FollowAllSpider): def __init__(self, max_items=10, *args, **kwargs): super().__init__(*args, **kwargs) self.max_items = max_items self.items_scraped = 0 def parse(self, response): - for item_or_req in super().parse(response): - if isinstance(item_or_req, Request): - yield item_or_req - else: - if self.items_scraped >= self.max_items: - continue + for request in super().parse(response): + yield request + if self.items_scraped < self.max_items: + yield Item() self.items_scraped += 1 - yield item_or_req class DefaultError(Exception): diff --git a/tests/test_closespider.py b/tests/test_closespider.py index 0046b4e29..50b483a74 100644 --- a/tests/test_closespider.py +++ b/tests/test_closespider.py @@ -7,7 +7,7 @@ from tests.spiders import ( ErrorSpider, FollowAllSpider, ItemSpider, - MaxItemsSpider, + MaxItemsKeepCrawlingSpider, SlowSpider, ) @@ -43,13 +43,11 @@ class TestCloseSpider(TestCase): @defer.inlineCallbacks def test_closespider_pagecount_no_item(self): close_on = 5 - close_on_pagecount = 20 max_items = 5 crawler = get_crawler( - MaxItemsSpider, + MaxItemsKeepCrawlingSpider, { "CLOSESPIDER_PAGECOUNT_NO_ITEM": close_on, - "CLOSESPIDER_PAGECOUNT": close_on_pagecount, }, ) yield crawler.crawl(max_items=max_items, mockserver=self.mockserver) @@ -58,8 +56,8 @@ class TestCloseSpider(TestCase): pagecount = crawler.stats.get_value("response_received_count") itemcount = crawler.stats.get_value("item_scraped_count") self.assertEqual(itemcount, max_items) - self.assertLess(pagecount, close_on_pagecount) - self.assertTrue((pagecount - itemcount) >= close_on) + self.assertLessEqual(pagecount, close_on + itemcount) + self.assertGreater(pagecount, itemcount) @defer.inlineCallbacks def test_closespider_errorcount(self): From 5f0fad16f5d86134bcf72964f6e453541031eb06 Mon Sep 17 00:00:00 2001 From: guillermo-bondonno <guillermo.bondonno@zyte.com> Date: Thu, 11 Jul 2024 13:26:22 -0300 Subject: [PATCH 251/786] improve test_closespider_pagecount_no_item and corresponding test spider --- tests/spiders.py | 12 ++++++++---- tests/test_closespider.py | 11 ++++++----- 2 files changed, 14 insertions(+), 9 deletions(-) diff --git a/tests/spiders.py b/tests/spiders.py index d1998ca69..743811893 100644 --- a/tests/spiders.py +++ b/tests/spiders.py @@ -283,15 +283,19 @@ class ItemSpider(FollowAllSpider): yield {} -class MaxItemsKeepCrawlingSpider(FollowAllSpider): - def __init__(self, max_items=10, *args, **kwargs): +class MaxItemsAndRequestsSpider(FollowAllSpider): + def __init__(self, max_items=10, max_requests=10, *args, **kwargs): super().__init__(*args, **kwargs) self.max_items = max_items - self.items_scraped = 0 + self.max_requests = max_requests def parse(self, response): + self.items_scraped = 0 + self.pages_crawled = 1 # account for the start url for request in super().parse(response): - yield request + if self.pages_crawled < self.max_requests: + yield request + self.pages_crawled += 1 if self.items_scraped < self.max_items: yield Item() self.items_scraped += 1 diff --git a/tests/test_closespider.py b/tests/test_closespider.py index 50b483a74..9810d10fb 100644 --- a/tests/test_closespider.py +++ b/tests/test_closespider.py @@ -7,7 +7,7 @@ from tests.spiders import ( ErrorSpider, FollowAllSpider, ItemSpider, - MaxItemsKeepCrawlingSpider, + MaxItemsAndRequestsSpider, SlowSpider, ) @@ -44,20 +44,21 @@ class TestCloseSpider(TestCase): def test_closespider_pagecount_no_item(self): close_on = 5 max_items = 5 + max_requests = close_on + max_items crawler = get_crawler( - MaxItemsKeepCrawlingSpider, + MaxItemsAndRequestsSpider, { "CLOSESPIDER_PAGECOUNT_NO_ITEM": close_on, }, ) - yield crawler.crawl(max_items=max_items, mockserver=self.mockserver) + yield crawler.crawl( + max_items=max_items, max_requests=max_requests, mockserver=self.mockserver + ) reason = crawler.spider.meta["close_reason"] self.assertEqual(reason, "closespider_pagecount_no_item") pagecount = crawler.stats.get_value("response_received_count") itemcount = crawler.stats.get_value("item_scraped_count") - self.assertEqual(itemcount, max_items) self.assertLessEqual(pagecount, close_on + itemcount) - self.assertGreater(pagecount, itemcount) @defer.inlineCallbacks def test_closespider_errorcount(self): From 9cdbcb4f63922f09194fab7d211ba297319b5135 Mon Sep 17 00:00:00 2001 From: guillermo-bondonno <guillermo.bondonno@zyte.com> Date: Thu, 11 Jul 2024 14:02:24 -0300 Subject: [PATCH 252/786] add test_closespider_pagecount_no_item_with_pagecount --- tests/test_closespider.py | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/tests/test_closespider.py b/tests/test_closespider.py index 9810d10fb..9a837350f 100644 --- a/tests/test_closespider.py +++ b/tests/test_closespider.py @@ -60,6 +60,23 @@ class TestCloseSpider(TestCase): itemcount = crawler.stats.get_value("item_scraped_count") self.assertLessEqual(pagecount, close_on + itemcount) + @defer.inlineCallbacks + def test_closespider_pagecount_no_item_with_pagecount(self): + close_on_pagecount_no_item = 5 + close_on_pagecount = 20 + crawler = get_crawler( + FollowAllSpider, + { + "CLOSESPIDER_PAGECOUNT_NO_ITEM": close_on_pagecount_no_item, + "CLOSESPIDER_PAGECOUNT": close_on_pagecount, + }, + ) + yield crawler.crawl(mockserver=self.mockserver) + reason = crawler.spider.meta["close_reason"] + self.assertEqual(reason, "closespider_pagecount_no_item") + pagecount = crawler.stats.get_value("response_received_count") + self.assertLess(pagecount, close_on_pagecount) + @defer.inlineCallbacks def test_closespider_errorcount(self): close_on = 5 From 026d6065287e882c244d9b90e0c4fa5e873e29fe Mon Sep 17 00:00:00 2001 From: guillermo-bondonno <95530227+guillermo-bondonno@users.noreply.github.com> Date: Fri, 12 Jul 2024 08:09:03 -0300 Subject: [PATCH 253/786] clean closespider_pagecount_no_item docs section Co-authored-by: Andrey Rakhmatullin <wrar@wrar.name> --- docs/topics/extensions.rst | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/docs/topics/extensions.rst b/docs/topics/extensions.rst index 29bcaa0f2..7b34a19d5 100644 --- a/docs/topics/extensions.rst +++ b/docs/topics/extensions.rst @@ -324,10 +324,11 @@ CLOSESPIDER_PAGECOUNT_NO_ITEM Default: ``0`` -An integer which specifies the maximum number of consecutive responses to crawl without items scraped. If the spider -crawls more consecutive responses than that and no items are scraped in the meantime, the spider will be closed with the reason -``closespider_pagecount_no_item``. If zero (or non set), spiders won't be closed by -number of crawled responses with no items. +An integer which specifies the maximum number of consecutive responses to crawl +without items scraped. If the spider crawls more consecutive responses than that +and no items are scraped in the meantime, the spider will be closed with the +reason ``closespider_pagecount_no_item``. If zero (or not set), spiders won't be +closed by number of crawled responses with no items. .. setting:: CLOSESPIDER_ERRORCOUNT From e376c0b31a01cedd8a8c5c1ccd423d72ae1fb169 Mon Sep 17 00:00:00 2001 From: mlmsmith <mlmsmith@hotmail.co.uk> Date: Wed, 24 Jul 2024 12:40:01 +0800 Subject: [PATCH 254/786] Tutorial edits (#6440) --- docs/intro/tutorial.rst | 53 ++++++++++++++++++++--------------------- 1 file changed, 26 insertions(+), 27 deletions(-) diff --git a/docs/intro/tutorial.rst b/docs/intro/tutorial.rst index 8ea98f29b..ee6a1184c 100644 --- a/docs/intro/tutorial.rst +++ b/docs/intro/tutorial.rst @@ -18,11 +18,11 @@ This tutorial will walk you through these tasks: 4. Changing spider to recursively follow links 5. Using spider arguments -Scrapy is written in Python_. If you're new to the language you might want to -start by getting an idea of what the language is like, to get the most out of -Scrapy. +Scrapy is written in Python_. The more you learn about Python, the more you +can get out of Scrapy. -If you're already familiar with other languages, and want to learn Python quickly, the `Python Tutorial`_ is a good resource. +If you're already familiar with other languages and want to learn Python quickly, the +`Python Tutorial`_ is a good resource. If you're new to programming and want to start with Python, the following books may be useful to you: @@ -76,10 +76,9 @@ This will create a ``tutorial`` directory with the following contents:: Our first Spider ================ -Spiders are classes that you define and that Scrapy uses to scrape information -from a website (or a group of websites). They must subclass -:class:`~scrapy.Spider` and define the initial requests to make, -optionally how to follow links in the pages, and how to parse the downloaded +Spiders are classes that you define and that Scrapy uses to scrape information from a website +(or a group of websites). They must subclass :class:`~scrapy.Spider` and define the initial +requests to be made, and optionally, how to follow links in pages and parse the downloaded page content to extract data. This is the code for our first Spider. Save it in a file named @@ -138,7 +137,7 @@ To put our spider to work, go to the project's top level directory and run:: scrapy crawl quotes -This command runs the spider with name ``quotes`` that we've just added, that +This command runs the spider named ``quotes`` that we've just added, that will send some requests for the ``quotes.toscrape.com`` domain. You will get an output similar to this:: @@ -169,7 +168,7 @@ Scrapy schedules the :class:`scrapy.Request <scrapy.Request>` objects returned by the ``start_requests`` method of the Spider. Upon receiving a response for each one, it instantiates :class:`~scrapy.http.Response` objects and calls the callback method associated with the request (in this case, the -``parse`` method) passing the response as argument. +``parse`` method) passing the response as an argument. A shortcut to the start_requests method @@ -217,7 +216,7 @@ using the :ref:`Scrapy shell <topics-shell>`. Run:: .. note:: - Remember to always enclose urls in quotes when running Scrapy shell from + Remember to always enclose urls in quotes when running Scrapy shell from the command-line, otherwise urls containing arguments (i.e. ``&`` character) will not work. @@ -257,7 +256,7 @@ object: The result of running ``response.css('title')`` is a list-like object called :class:`~scrapy.selector.SelectorList`, which represents a list of :class:`~scrapy.Selector` objects that wrap around XML/HTML elements -and allow you to run further queries to fine-grain the selection or extract the +and allow you to run further queries to refine the selection or extract the data. To extract the text from the title above, you can do: @@ -354,12 +353,12 @@ Besides `CSS`_, Scrapy selectors also support using `XPath`_ expressions: XPath expressions are very powerful, and are the foundation of Scrapy Selectors. In fact, CSS selectors are converted to XPath under-the-hood. You -can see that if you read closely the text representation of the selector -objects in the shell. +can see that if you read the text representation of the selector +objects in the shell closely. While perhaps not as popular as CSS selectors, XPath expressions offer more power because besides navigating the structure, it can also look at the -content. Using XPath, you're able to select things like: *select the link +content. Using XPath, you're able to select things like: *the link that contains the text "Next Page"*. This makes XPath very fitting to the task of scraping, and we encourage you to learn XPath even if you already know how to construct CSS selectors, it will make scraping much easier. @@ -422,7 +421,7 @@ variable, so that we can run our CSS selectors directly on a particular quote: >>> quote = response.css("div.quote")[0] -Now, let's extract ``text``, ``author`` and the ``tags`` from that quote +Now, let's extract the ``text``, ``author`` and ``tags`` from that quote using the ``quote`` object we just created: .. code-block:: pycon @@ -448,7 +447,7 @@ to get all of them: from sys import version_info Having figured out how to extract each bit, we can now iterate over all the -quotes elements and put them together into a Python dictionary: +quote elements and put them together into a Python dictionary: .. code-block:: pycon @@ -465,8 +464,8 @@ quotes elements and put them together into a Python dictionary: Extracting data in our spider ----------------------------- -Let's get back to our spider. Until now, it doesn't extract any data in -particular, just saves the whole HTML page to a local file. Let's integrate the +Let's get back to our spider. Until now, it hasn't extracted any data in +particular, just saving the whole HTML page to a local file. Let's integrate the extraction logic above into our spider. A Scrapy spider typically generates many dictionaries containing the data @@ -529,8 +528,8 @@ using a different serialization format, such as `JSON Lines`_:: scrapy crawl quotes -o quotes.jsonl -The `JSON Lines`_ format is useful because it's stream-like, you can easily -append new records to it. It doesn't have the same problem of JSON when you run +The `JSON Lines`_ format is useful because it's stream-like, so you can easily +append new records to it. It doesn't have the same problem as JSON when you run twice. Also, as each record is a separate line, you can process big files without having to fit everything in memory, there are tools like `JQ`_ to help do that at the command-line. @@ -555,7 +554,7 @@ from https://quotes.toscrape.com, you want quotes from all the pages in the webs Now that you know how to extract data from pages, let's see how to follow links from them. -First thing is to extract the link to the page we want to follow. Examining +The first thing to do is extract the link to the page we want to follow. Examining our page, we can see there is a link to the next page with the following markup: @@ -589,7 +588,7 @@ There is also an ``attrib`` property available >>> response.css("li.next a").attrib["href"] '/page/2/' -Let's see now our spider modified to recursively follow the link to the next +Now let's see our spider, modified to recursively follow the link to the next page, extracting data from it: .. code-block:: python @@ -756,8 +755,8 @@ Another interesting thing this spider demonstrates is that, even if there are many quotes from the same author, we don't need to worry about visiting the same author page multiple times. By default, Scrapy filters out duplicated requests to URLs already visited, avoiding the problem of hitting servers too -much because of a programming mistake. This can be configured by the setting -:setting:`DUPEFILTER_CLASS`. +much because of a programming mistake. This can be configured in the +:setting:`DUPEFILTER_CLASS` setting. Hopefully by now you have a good understanding of how to use the mechanism of following links and callbacks with Scrapy. @@ -824,12 +823,12 @@ Next steps ========== This tutorial covered only the basics of Scrapy, but there's a lot of other -features not mentioned here. Check the :ref:`topics-whatelse` section in +features not mentioned here. Check the :ref:`topics-whatelse` section in the :ref:`intro-overview` chapter for a quick overview of the most important ones. You can continue from the section :ref:`section-basics` to know more about the command-line tool, spiders, selectors and other things the tutorial hasn't covered like -modeling the scraped data. If you prefer to play with an example project, check +modeling the scraped data. If you'd prefer to play with an example project, check the :ref:`intro-examples` section. .. _JSON: https://en.wikipedia.org/wiki/JSON From 03a15ced4f0a4284c75a917fdfb07c44b21f9ff2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= <adrian@chaves.io> Date: Wed, 31 Jul 2024 11:37:19 +0200 Subject: [PATCH 255/786] Do not suggest logging dropped items twice (#6448) Co-authored-by: Kevin Lloyd Bernal <kevinoxy@gmail.com> --- docs/topics/item-pipeline.rst | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/docs/topics/item-pipeline.rst b/docs/topics/item-pipeline.rst index a5f6e07b8..58c922e0d 100644 --- a/docs/topics/item-pipeline.rst +++ b/docs/topics/item-pipeline.rst @@ -99,7 +99,7 @@ contain a price: adapter["price"] = adapter["price"] * self.vat_factor return item else: - raise DropItem(f"Missing price in {item}") + raise DropItem("Missing price") Write items to a JSON lines file @@ -254,7 +254,7 @@ returns multiples items with the same id: def process_item(self, item, spider): adapter = ItemAdapter(item) if adapter["id"] in self.ids_seen: - raise DropItem(f"Duplicate item found: {item!r}") + raise DropItem(f"Item ID already seen: {adapter['id']}") else: self.ids_seen.add(adapter["id"]) return item From b9ef1326a51140f70325609501265300fdac5e9b Mon Sep 17 00:00:00 2001 From: mlmsmith <mlmsmith@hotmail.co.uk> Date: Thu, 1 Aug 2024 15:29:11 +0800 Subject: [PATCH 256/786] Proofread the commands documentation (#6449) --- docs/intro/tutorial.rst | 4 ++-- docs/topics/commands.rst | 18 +++++++++--------- 2 files changed, 11 insertions(+), 11 deletions(-) diff --git a/docs/intro/tutorial.rst b/docs/intro/tutorial.rst index ee6a1184c..dd1efd3b3 100644 --- a/docs/intro/tutorial.rst +++ b/docs/intro/tutorial.rst @@ -216,8 +216,8 @@ using the :ref:`Scrapy shell <topics-shell>`. Run:: .. note:: - Remember to always enclose urls in quotes when running Scrapy shell from the - command-line, otherwise urls containing arguments (i.e. ``&`` character) + Remember to always enclose URLs in quotes when running Scrapy shell from the + command line, otherwise URLs containing arguments (i.e. ``&`` character) will not work. On Windows, use double quotes instead:: diff --git a/docs/topics/commands.rst b/docs/topics/commands.rst index 1d37895c2..6eb4af9bd 100644 --- a/docs/topics/commands.rst +++ b/docs/topics/commands.rst @@ -6,7 +6,7 @@ Command line tool ================= -Scrapy is controlled through the ``scrapy`` command-line tool, to be referred +Scrapy is controlled through the ``scrapy`` command-line tool, to be referred to here as the "Scrapy tool" to differentiate it from the sub-commands, which we just call "commands" or "Scrapy commands". @@ -185,8 +185,8 @@ And you can see all available commands with:: There are two kinds of commands, those that only work from inside a Scrapy project (Project-specific commands) and those that also work without an active -Scrapy project (Global commands), though they may behave slightly different -when running from inside a project (as they would use the project overridden +Scrapy project (Global commands), though they may behave slightly differently +when run from inside a project (as they would use the project overridden settings). Global commands: @@ -236,7 +236,7 @@ genspider .. versionadded:: 2.6.0 The ability to pass a URL instead of a domain. -Create a new spider in the current folder or in the current project's ``spiders`` folder, if called from inside a project. The ``<name>`` parameter is set as the spider's ``name``, while ``<domain or URL>`` is used to generate the ``allowed_domains`` and ``start_urls`` spider's attributes. +Creates a new spider in the current folder or in the current project's ``spiders`` folder, if called from inside a project. The ``<name>`` parameter is set as the spider's ``name``, while ``<domain or URL>`` is used to generate the ``allowed_domains`` and ``start_urls`` spider's attributes. Usage example:: @@ -253,7 +253,7 @@ Usage example:: $ scrapy genspider -t crawl scrapyorg scrapy.org Created spider 'scrapyorg' using template 'crawl' -This is just a convenience shortcut command for creating spiders based on +This is just a convenient shortcut command for creating spiders based on pre-defined templates, but certainly not the only way to create spiders. You can just create the spider source code files yourself, instead of using this command. @@ -274,9 +274,9 @@ Supported options: * ``-a NAME=VALUE``: set a spider argument (may be repeated) -* ``--output FILE`` or ``-o FILE``: append scraped items to the end of FILE (use - for stdout), to define format set a colon at the end of the output URI (i.e. ``-o FILE:FORMAT``) +* ``--output FILE`` or ``-o FILE``: append scraped items to the end of FILE (use - for stdout). To define the output format, set a colon at the end of the output URI (i.e. ``-o FILE:FORMAT``) -* ``--overwrite-output FILE`` or ``-O FILE``: dump scraped items into FILE, overwriting any existing file, to define format set a colon at the end of the output URI (i.e. ``-O FILE:FORMAT``) +* ``--overwrite-output FILE`` or ``-O FILE``: dump scraped items into FILE, overwriting any existing file. To define the output format, set a colon at the end of the output URI (i.e. ``-O FILE:FORMAT``) * ``--output-format FORMAT`` or ``-t FORMAT``: deprecated way to define format to use for dumping items, does not work in combination with ``-O`` @@ -353,7 +353,7 @@ edit Edit the given spider using the editor defined in the ``EDITOR`` environment variable or (if unset) the :setting:`EDITOR` setting. -This command is provided only as a convenience shortcut for the most common +This command is provided only as a convenient shortcut for the most common case, the developer is of course free to choose any tool or IDE to write and debug spiders. @@ -372,7 +372,7 @@ fetch Downloads the given URL using the Scrapy downloader and writes the contents to standard output. -The interesting thing about this command is that it fetches the page how the +The interesting thing about this command is that it fetches the page the way the spider would download it. For example, if the spider has a ``USER_AGENT`` attribute which overrides the User Agent, it will use that one. From 70756fd57cff61a1806317127f7dfcd0e77bf1f0 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Sun, 11 Aug 2024 13:57:13 +0500 Subject: [PATCH 257/786] Revert cffi and Pillow restrictions. --- tox.ini | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/tox.ini b/tox.ini index ee810eae3..4ccaea653 100644 --- a/tox.ini +++ b/tox.ini @@ -19,15 +19,13 @@ deps = sybil >= 1.3.0 # https://github.com/cjw296/sybil/issues/20#issuecomment-605433422 testfixtures pywin32; sys_platform == "win32" - cffi >= 1.17.0rc1; python_version >= '3.13' [testenv] deps = {[test-requirements]deps} # mitmproxy does not support PyPy - # mitmproxy requires zstandard which is not yet available on 3.13 - mitmproxy; implementation_name != 'pypy' and python_version < '3.13' + mitmproxy; implementation_name != 'pypy' # https://github.com/pallets/werkzeug/pull/2768 breaks flask, required by # mitmproxy. werkzeug < 3; python_version < '3.9' and implementation_name != 'pypy' @@ -150,13 +148,13 @@ deps = boto3 google-cloud-storage robotexclusionrulesparser - Pillow; python_version < '3.13' + Pillow Twisted[http2] uvloop; platform_system != "Windows" and python_version < '3.13' bpython; python_version < '3.13' # optional for shell wrapper tests brotli; implementation_name != 'pypy' # optional for HTTP compress downloader middleware tests brotlicffi; implementation_name == 'pypy' # optional for HTTP compress downloader middleware tests - zstandard; implementation_name != 'pypy' and python_version < '3.13' # optional for HTTP compress downloader middleware tests + zstandard; implementation_name != 'pypy' # optional for HTTP compress downloader middleware tests ipython [testenv:extra-deps-pinned] From af15bd1dadf74b1314b96b1c3b682b41207a1f52 Mon Sep 17 00:00:00 2001 From: mlmsmith <mlmsmith@hotmail.co.uk> Date: Mon, 19 Aug 2024 19:55:09 +0800 Subject: [PATCH 258/786] minor changes to items section of docs (#6462) --- docs/topics/items.rst | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/docs/topics/items.rst b/docs/topics/items.rst index 97ed7a900..f13a7b5b1 100644 --- a/docs/topics/items.rst +++ b/docs/topics/items.rst @@ -48,7 +48,7 @@ make it the most feature-complete item type: :class:`Item` objects replicate the standard :class:`dict` API, including its ``__init__`` method. - :class:`Item` allows defining field names, so that: + :class:`Item` allows the defining of field names, so that: - :class:`KeyError` is raised when using undefined field names (i.e. prevents typos going unnoticed) @@ -57,7 +57,7 @@ make it the most feature-complete item type: default even if the first scraped object does not have values for all of them - :class:`Item` also allows defining field metadata, which can be used to + :class:`Item` also allows the defining of field metadata, which can be used to :ref:`customize serialization <topics-exporters-field-serialization>`. :mod:`trackref` tracks :class:`Item` objects to help find memory leaks @@ -94,11 +94,11 @@ Dataclass objects .. versionadded:: 2.2 -:func:`~dataclasses.dataclass` allows defining item classes with field names, +:func:`~dataclasses.dataclass` allows the defining of item classes with field names, so that :ref:`item exporters <topics-exporters>` can export all fields by default even if the first scraped object does not have values for all of them. -Additionally, ``dataclass`` items also allow to: +Additionally, ``dataclass`` items also allow you to: * define the type and default value of each defined field. @@ -126,7 +126,7 @@ attr.s objects .. versionadded:: 2.2 -:func:`attr.s` allows defining item classes with field names, +:func:`attr.s` allows the defining of item classes with field names, so that :ref:`item exporters <topics-exporters>` can export all fields by default even if the first scraped object does not have values for all of them. From c21c4a18509ec9657bfe6e6f99bd913bba7ea41d Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Wed, 21 Aug 2024 01:06:05 +0500 Subject: [PATCH 259/786] Revert uvloop restrictions. --- tox.ini | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tox.ini b/tox.ini index 4ccaea653..bd6782ce5 100644 --- a/tox.ini +++ b/tox.ini @@ -150,7 +150,7 @@ deps = robotexclusionrulesparser Pillow Twisted[http2] - uvloop; platform_system != "Windows" and python_version < '3.13' + uvloop; platform_system != "Windows" bpython; python_version < '3.13' # optional for shell wrapper tests brotli; implementation_name != 'pypy' # optional for HTTP compress downloader middleware tests brotlicffi; implementation_name == 'pypy' # optional for HTTP compress downloader middleware tests From 5794071f9679c89ef4ee75e8a627274b2464b65b Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Fri, 23 Aug 2024 15:48:01 +0500 Subject: [PATCH 260/786] Typing fixes and updates. (#6460) --- scrapy/pipelines/media.py | 2 +- scrapy/utils/defer.py | 3 ++- scrapy/utils/log.py | 2 +- scrapy/utils/ssl.py | 2 +- tox.ini | 12 ++++++------ 5 files changed, 11 insertions(+), 10 deletions(-) diff --git a/scrapy/pipelines/media.py b/scrapy/pipelines/media.py index ea36a9e8a..6bd3ed9b4 100644 --- a/scrapy/pipelines/media.py +++ b/scrapy/pipelines/media.py @@ -211,7 +211,7 @@ class MediaPipeline(ABC): # minimize cached information for failure result.cleanFailure() result.frames = [] - result.stack = None + result.stack = [] # This code fixes a memory leak by avoiding to keep references to # the Request and Response objects on the Media Pipeline cache. diff --git a/scrapy/utils/defer.py b/scrapy/utils/defer.py index c5763a06c..33ec23cec 100644 --- a/scrapy/utils/defer.py +++ b/scrapy/utils/defer.py @@ -19,6 +19,7 @@ from typing import ( Callable, Coroutine, Dict, + Generic, Iterable, Iterator, List, @@ -144,7 +145,7 @@ def parallel( return DeferredList([coop.coiterate(work) for _ in range(count)]) -class _AsyncCooperatorAdapter(Iterator[Deferred]): +class _AsyncCooperatorAdapter(Iterator[Deferred], Generic[_T]): """A class that wraps an async iterable into a normal iterator suitable for using in Cooperator.coiterate(). As it's only needed for parallel_async(), it calls the callable directly in the callback, instead of providing a more diff --git a/scrapy/utils/log.py b/scrapy/utils/log.py index 439b065a9..4a70de6b4 100644 --- a/scrapy/utils/log.py +++ b/scrapy/utils/log.py @@ -128,7 +128,7 @@ def configure_logging( settings = Settings(settings) if settings.getbool("LOG_STDOUT"): - sys.stdout = StreamLogger(logging.getLogger("stdout")) # type: ignore[assignment] + sys.stdout = StreamLogger(logging.getLogger("stdout")) if install_root_handler: install_scrapy_root_handler(settings) diff --git a/scrapy/utils/ssl.py b/scrapy/utils/ssl.py index 95611ebd9..2c3a259c1 100644 --- a/scrapy/utils/ssl.py +++ b/scrapy/utils/ssl.py @@ -20,7 +20,7 @@ def x509name_to_string(x509name: X509Name) -> str: # from OpenSSL.crypto.X509Name.__repr__ result_buffer: Any = pyOpenSSLutil.ffi.new("char[]", 512) pyOpenSSLutil.lib.X509_NAME_oneline( - x509name._name, result_buffer, len(result_buffer) # type: ignore[attr-defined] + x509name._name, result_buffer, len(result_buffer) ) return ffi_buf_to_string(result_buffer) diff --git a/tox.ini b/tox.ini index e3dd96425..2d62f1cb7 100644 --- a/tox.ini +++ b/tox.ini @@ -46,16 +46,16 @@ install_command = [testenv:typing] basepython = python3 deps = - mypy==1.10.1 + mypy==1.11.1 typing-extensions==4.12.2 - types-lxml==2024.4.14 + types-lxml==2024.8.7 types-Pygments==2.18.0.20240506 - types-pyOpenSSL==24.1.0.20240425 - types-setuptools==70.3.0.20240710 - botocore-stubs==1.34.143 - boto3-stubs[s3]==1.34.143 + types-setuptools==71.1.0.20240806 + botocore-stubs==1.34.158 + boto3-stubs[s3]==1.34.158 attrs >= 18.2.0 Pillow >= 10.3.0 + pyOpenSSL >= 24.2.1 pytest >= 8.2.0 w3lib >= 2.2.0 commands = From 6ce0342beb1a5b588f353e52fe03d5e0ec84d938 Mon Sep 17 00:00:00 2001 From: Georgiy Zatserklianyi <GeorgeA92@users.noreply.github.com> Date: Mon, 26 Aug 2024 20:53:06 +0200 Subject: [PATCH 261/786] Allow yielding items from start_requests (#6417) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Co-authored-by: Georgiy Zatserklianyi <george.zatseklyany@gmail.com> Co-authored-by: Adrián Chaves <adrian@chaves.io> Co-authored-by: Andrey Rakhmatullin <wrar@wrar.name> --- docs/topics/signals.rst | 16 ++++++++------ docs/topics/spider-middleware.rst | 2 +- docs/topics/spiders.rst | 3 ++- scrapy/core/engine.py | 14 ++++++++++-- scrapy/core/scraper.py | 21 ++++++++++++------ scrapy/logformatter.py | 19 ++++++++++++---- tests/spiders.py | 13 +++++++++++ tests/test_crawl.py | 36 +++++++++++++++++++++++++++++++ tests/test_spidermiddleware.py | 9 ++++---- 9 files changed, 109 insertions(+), 24 deletions(-) diff --git a/docs/topics/signals.rst b/docs/topics/signals.rst index 13e636055..b45b12540 100644 --- a/docs/topics/signals.rst +++ b/docs/topics/signals.rst @@ -159,8 +159,9 @@ item_scraped :param spider: the spider which scraped the item :type spider: :class:`~scrapy.Spider` object - :param response: the response from where the item was scraped - :type response: :class:`~scrapy.http.Response` object + :param response: the response from where the item was scraped, or ``None`` + if it was yielded from :meth:`~scrapy.Spider.start_requests`. + :type response: :class:`~scrapy.http.Response` | ``None`` item_dropped ~~~~~~~~~~~~ @@ -179,8 +180,9 @@ item_dropped :param spider: the spider which scraped the item :type spider: :class:`~scrapy.Spider` object - :param response: the response from where the item was dropped - :type response: :class:`~scrapy.http.Response` object + :param response: the response from where the item was dropped, or ``None`` + if it was yielded from :meth:`~scrapy.Spider.start_requests`. + :type response: :class:`~scrapy.http.Response` | ``None`` :param exception: the exception (which must be a :exc:`~scrapy.exceptions.DropItem` subclass) which caused the item @@ -201,8 +203,10 @@ item_error :param item: the item that caused the error in the :ref:`topics-item-pipeline` :type item: :ref:`item object <item-types>` - :param response: the response being processed when the exception was raised - :type response: :class:`~scrapy.http.Response` object + :param response: the response being processed when the exception was + raised, or ``None`` if it was yielded from + :meth:`~scrapy.Spider.start_requests`. + :type response: :class:`~scrapy.http.Response` | ``None`` :param spider: the spider which raised the exception :type spider: :class:`~scrapy.Spider` object diff --git a/docs/topics/spider-middleware.rst b/docs/topics/spider-middleware.rst index 8ddf17a14..8f39bcd53 100644 --- a/docs/topics/spider-middleware.rst +++ b/docs/topics/spider-middleware.rst @@ -176,7 +176,7 @@ object gives you access, for example, to the :ref:`settings <topics-settings>`. items). It receives an iterable (in the ``start_requests`` parameter) and must - return another iterable of :class:`~scrapy.Request` objects. + return another iterable of :class:`~scrapy.Request` objects and/or :ref:`item objects <topics-items>`. .. note:: When implementing this method in your spider middleware, you should always return an iterable (that follows the input one) and diff --git a/docs/topics/spiders.rst b/docs/topics/spiders.rst index 8a0102a51..e1b1c5ad6 100644 --- a/docs/topics/spiders.rst +++ b/docs/topics/spiders.rst @@ -203,7 +203,8 @@ scrapy.Spider .. method:: start_requests() - This method must return an iterable with the first Requests to crawl for + This method must return an iterable with the first Requests to crawl and/or with :ref:`item objects + <topics-items>` for this spider. It is called by Scrapy when the spider is opened for scraping. Scrapy calls it only once, so it is safe to implement :meth:`start_requests` as a generator. diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index 5318cbd64..63d84339d 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -24,6 +24,7 @@ from typing import ( cast, ) +from itemadapter import is_item from twisted.internet.defer import Deferred, inlineCallbacks, succeed from twisted.internet.task import LoopingCall from twisted.python.failure import Failure @@ -194,7 +195,7 @@ class ExecutionEngine: if self.slot.start_requests is not None and not self._needs_backout(): try: - request = next(self.slot.start_requests) + request_or_item = next(self.slot.start_requests) except StopIteration: self.slot.start_requests = None except Exception: @@ -205,7 +206,16 @@ class ExecutionEngine: extra={"spider": self.spider}, ) else: - self.crawl(request) + if isinstance(request_or_item, Request): + self.crawl(request_or_item) + elif is_item(request_or_item): + self.scraper.start_itemproc(request_or_item, response=None) + else: + logger.error( + f"Got {request_or_item!r} among start requests. Only " + f"requests and items are supported. It will be " + f"ignored." + ) if self.spider_is_idle() and self.slot.close_if_idle: self._spider_idle() diff --git a/scrapy/core/scraper.py b/scrapy/core/scraper.py index a7d65e1e3..7a51dbeb4 100644 --- a/scrapy/core/scraper.py +++ b/scrapy/core/scraper.py @@ -313,15 +313,11 @@ class Scraper: """Process each Request/Item (given in the output parameter) returned from the given spider """ - assert self.slot is not None # typing if isinstance(output, Request): assert self.crawler.engine is not None # typing self.crawler.engine.crawl(request=output) elif is_item(output): - self.slot.itemproc_size += 1 - dfd = self.itemproc.process_item(output, spider) - dfd.addBoth(self._itemproc_finished, output, response, spider) - return dfd + return self.start_itemproc(output, response=response) elif output is None: pass else: @@ -333,6 +329,19 @@ class Scraper: ) return None + def start_itemproc(self, item, *, response: Optional[Response]) -> Deferred[Any]: + """Send *item* to the item pipelines for processing. + + *response* is the source of the item data. If the item does not come + from response data, e.g. it was hard-coded, set it to ``None``. + """ + assert self.slot is not None # typing + assert self.crawler.spider is not None # typing + self.slot.itemproc_size += 1 + dfd = self.itemproc.process_item(item, self.crawler.spider) + dfd.addBoth(self._itemproc_finished, item, response, self.crawler.spider) + return dfd + def _log_download_errors( self, spider_failure: Failure, @@ -373,7 +382,7 @@ class Scraper: return None def _itemproc_finished( - self, output: Any, item: Any, response: Response, spider: Spider + self, output: Any, item: Any, response: Optional[Response], spider: Spider ) -> Deferred[Any]: """ItemProcessor finished for the given ``item`` and returned ``output``""" assert self.slot is not None # typing diff --git a/scrapy/logformatter.py b/scrapy/logformatter.py index 601209fb0..fea7003e5 100644 --- a/scrapy/logformatter.py +++ b/scrapy/logformatter.py @@ -9,6 +9,7 @@ from twisted.python.failure import Failure # working around https://github.com/sphinx-doc/sphinx/issues/10400 from scrapy import Request, Spider # noqa: TC001 from scrapy.http import Response # noqa: TC001 +from scrapy.utils.python import global_object_name from scrapy.utils.request import referer_str if TYPE_CHECKING: @@ -92,11 +93,13 @@ class LogFormatter: } def scraped( - self, item: Any, response: Union[Response, Failure], spider: Spider + self, item: Any, response: Union[Response, Failure, None], spider: Spider ) -> LogFormatterResult: """Logs a message when an item is scraped by a spider.""" src: Any - if isinstance(response, Failure): + if response is None: + src = f"{global_object_name(spider.__class__)}.start_requests" + elif isinstance(response, Failure): src = response.getErrorMessage() else: src = response @@ -110,7 +113,11 @@ class LogFormatter: } def dropped( - self, item: Any, exception: BaseException, response: Response, spider: Spider + self, + item: Any, + exception: BaseException, + response: Optional[Response], + spider: Spider, ) -> LogFormatterResult: """Logs a message when an item is dropped while it is passing through the item pipeline.""" return { @@ -123,7 +130,11 @@ class LogFormatter: } def item_error( - self, item: Any, exception: BaseException, response: Response, spider: Spider + self, + item: Any, + exception: BaseException, + response: Optional[Response], + spider: Spider, ) -> LogFormatterResult: """Logs a message when an item causes an error while it is passing through the item pipeline. diff --git a/tests/spiders.py b/tests/spiders.py index 743811893..5d5792858 100644 --- a/tests/spiders.py +++ b/tests/spiders.py @@ -346,6 +346,19 @@ class BrokenStartRequestsSpider(FollowAllSpider): yield from super().parse(response) +class StartRequestsItemSpider(FollowAllSpider): + def start_requests(self): + yield {"name": "test item"} + + +class StartRequestsGoodAndBadOutput(FollowAllSpider): + def start_requests(self): + yield {"a": "a"} + yield Request("data:,a") + yield "data:,b" + yield object() + + class SingleRequestSpider(MetaSpider): seed = None callback_func = None diff --git a/tests/test_crawl.py b/tests/test_crawl.py index 6cde4ed8c..125709571 100644 --- a/tests/test_crawl.py +++ b/tests/test_crawl.py @@ -1,5 +1,6 @@ import json import logging +import re import unittest from ipaddress import IPv4Address from socket import gethostbyname @@ -49,6 +50,8 @@ from tests.spiders import ( HeadersReceivedErrbackSpider, SimpleSpider, SingleRequestSpider, + StartRequestsGoodAndBadOutput, + StartRequestsItemSpider, ) @@ -184,6 +187,39 @@ class CrawlTestCase(TestCase): self.assertIsNotNone(record.exc_info) self.assertIs(record.exc_info[0], ZeroDivisionError) + @defer.inlineCallbacks + def test_start_requests_items(self): + with LogCapture("scrapy", level=logging.ERROR) as log: + crawler = get_crawler(StartRequestsItemSpider) + yield crawler.crawl(mockserver=self.mockserver) + + self.assertEqual(len(log.records), 0) + + @defer.inlineCallbacks + def test_start_requests_unsupported_output(self): + with LogCapture("scrapy", level=logging.ERROR) as log: + crawler = get_crawler(StartRequestsGoodAndBadOutput) + yield crawler.crawl(mockserver=self.mockserver) + + self.assertEqual(len(log.records), 2) + self.assertEqual( + log.records[0].msg, + ( + "Got 'data:,b' among start requests. Only requests and items " + "are supported. It will be ignored." + ), + ) + self.assertTrue( + re.match( + ( + r"^Got <object object at 0x[0-9a-fA-F]+> among start " + r"requests\. Only requests and items are supported\. It " + r"will be ignored\.$" + ), + log.records[1].msg, + ) + ) + @defer.inlineCallbacks def test_start_requests_laziness(self): settings = {"CONCURRENT_REQUESTS": 1} diff --git a/tests/test_spidermiddleware.py b/tests/test_spidermiddleware.py index 38ca8d950..9dbffe353 100644 --- a/tests/test_spidermiddleware.py +++ b/tests/test_spidermiddleware.py @@ -1,5 +1,5 @@ import collections.abc -from typing import Optional +from typing import Optional, Union from unittest import mock from testfixtures import LogCapture @@ -112,7 +112,7 @@ class BaseAsyncSpiderMiddlewareTestCase(SpiderMiddlewareTestCase): Should work for process_spider_output and, when it's supported, process_start_requests. """ - ITEM_TYPE: type + ITEM_TYPE: Union[type, tuple] RESULT_COUNT = 3 # to simplify checks, let everything return 3 objects @staticmethod @@ -328,12 +328,13 @@ class ProcessStartRequestsSimpleMiddleware: class ProcessStartRequestsSimple(BaseAsyncSpiderMiddlewareTestCase): """process_start_requests tests for simple start_requests""" - ITEM_TYPE = Request + ITEM_TYPE = (Request, dict) MW_SIMPLE = ProcessStartRequestsSimpleMiddleware def _start_requests(self): - for i in range(3): + for i in range(2): yield Request(f"https://example.com/{i}", dont_filter=True) + yield {"name": "test item"} @defer.inlineCallbacks def _get_middleware_result(self, *mw_classes, start_index: Optional[int] = None): From b85e5a66ede0a2255b335ee4869836e9d30c580a Mon Sep 17 00:00:00 2001 From: Laerte Pereira <laertefbk@gmail.com> Date: Mon, 26 Aug 2024 23:21:09 -0300 Subject: [PATCH 262/786] Add support for meta in Spider Contracts --- docs/topics/contracts.rst | 8 +++ scrapy/contracts/default.py | 14 +++++ scrapy/settings/default_settings.py | 1 + tests/test_contracts.py | 79 +++++++++++++++++++++++++++++ 4 files changed, 102 insertions(+) diff --git a/docs/topics/contracts.rst b/docs/topics/contracts.rst index 2d61026e9..a912ff986 100644 --- a/docs/topics/contracts.rst +++ b/docs/topics/contracts.rst @@ -46,6 +46,14 @@ This callback is tested using three built-in contracts: @cb_kwargs {"arg1": "value1", "arg2": "value2", ...} +.. class:: MetadataContract + + This contract (``@meta``) sets the :attr:` meta <scrapy.Request.meta>` + attribute for the sample request. It must be a valid JSON dictionary. + :: + + @meta {"arg1": "value1", "arg2": "value2", ...} + .. class:: ReturnsContract This contract (``@returns``) sets lower and upper bounds for the items and diff --git a/scrapy/contracts/default.py b/scrapy/contracts/default.py index 71ca4168a..87099b950 100644 --- a/scrapy/contracts/default.py +++ b/scrapy/contracts/default.py @@ -35,6 +35,20 @@ class CallbackKeywordArgumentsContract(Contract): return args +class MetadataContract(Contract): + """Contract to key metadata arguments for the request. + The value should be JSON-encoded dictionary, e.g.: + + @meta {"arg1": "some value"} + """ + + name = "meta" + + def adjust_request_args(self, args: Dict[str, Any]) -> Dict[str, Any]: + args["meta"] = json.loads(" ".join(self.args)) + return args + + class ReturnsContract(Contract): """Contract to check the output of a callback diff --git a/scrapy/settings/default_settings.py b/scrapy/settings/default_settings.py index 932475fb5..7ba0128a5 100644 --- a/scrapy/settings/default_settings.py +++ b/scrapy/settings/default_settings.py @@ -333,6 +333,7 @@ SPIDER_CONTRACTS = {} SPIDER_CONTRACTS_BASE = { "scrapy.contracts.default.UrlContract": 1, "scrapy.contracts.default.CallbackKeywordArgumentsContract": 1, + "scrapy.contracts.default.MetadataContract": 1, "scrapy.contracts.default.ReturnsContract": 2, "scrapy.contracts.default.ScrapesContract": 3, } diff --git a/tests/test_contracts.py b/tests/test_contracts.py index c9c12f0d8..d578b3af4 100644 --- a/tests/test_contracts.py +++ b/tests/test_contracts.py @@ -8,6 +8,7 @@ from scrapy import FormRequest from scrapy.contracts import Contract, ContractsManager from scrapy.contracts.default import ( CallbackKeywordArgumentsContract, + MetadataContract, ReturnsContract, ScrapesContract, UrlContract, @@ -29,6 +30,10 @@ class ResponseMock: url = "http://scrapy.org" +class ResponseMetaMock(ResponseMock): + meta = None + + class CustomSuccessContract(Contract): name = "custom_success_contract" @@ -195,6 +200,33 @@ class TestSpider(Spider): """ pass + def returns_request_meta(self, response): + """method which returns request + @url https://example.org + @meta {"cookiejar": "session1"} + @returns requests 1 + """ + return Request( + "https://example.org", meta=response.meta, callback=self.returns_item_meta + ) + + def returns_item_meta(self, response): + """method which returns item + @url http://scrapy.org + @meta {"key": "example"} + @returns items 1 1 + """ + return TestItem(name="example", url=response.url) + + def returns_error_missing_meta(self, response): + """method which depends of metadata be defined + + @url http://scrapy.org + @returns items 1 + """ + key = response.meta["key"] + yield {key: "value"} + class CustomContractSuccessSpider(Spider): name = "custom_contract_success_spider" @@ -224,6 +256,7 @@ class ContractsManagerTest(unittest.TestCase): contracts = [ UrlContract, CallbackKeywordArgumentsContract, + MetadataContract, ReturnsContract, ScrapesContract, CustomFormContract, @@ -328,6 +361,52 @@ class ContractsManagerTest(unittest.TestCase): request.callback(response, **request.cb_kwargs) self.should_error() + def test_meta(self): + spider = TestSpider() + + # extract contracts correctly + contracts = self.conman.extract_contracts(spider.returns_request_meta) + self.assertEqual(len(contracts), 3) + self.assertEqual( + frozenset(type(x) for x in contracts), + frozenset([UrlContract, MetadataContract, ReturnsContract]), + ) + + contracts = self.conman.extract_contracts(spider.returns_item_meta) + self.assertEqual(len(contracts), 3) + self.assertEqual( + frozenset(type(x) for x in contracts), + frozenset([UrlContract, MetadataContract, ReturnsContract]), + ) + + response = ResponseMetaMock() + + # returns_request + request = self.conman.from_method(spider.returns_request_meta, self.results) + assert request.meta["cookiejar"] == "session1" + response.meta = request.meta + request.callback(response) + assert response.meta["cookiejar"] == "session1" + self.should_succeed() + + response = ResponseMetaMock() + + # returns_item + request = self.conman.from_method(spider.returns_item_meta, self.results) + assert request.meta["key"] == "example" + response.meta = request.meta + request.callback(ResponseMetaMock) + assert response.meta["key"] == "example" + self.should_succeed() + + response = ResponseMetaMock() + + request = self.conman.from_method( + spider.returns_error_missing_meta, self.results + ) + request.callback(response) + self.should_error() + def test_returns(self): spider = TestSpider() response = ResponseMock() From f68f29dd1361f427be151b09c99068b292275923 Mon Sep 17 00:00:00 2001 From: Laerte Pereira <5853172+Laerte@users.noreply.github.com> Date: Mon, 26 Aug 2024 23:37:57 -0300 Subject: [PATCH 263/786] Update docs/topics/contracts.rst --- docs/topics/contracts.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/topics/contracts.rst b/docs/topics/contracts.rst index a912ff986..7557dacc0 100644 --- a/docs/topics/contracts.rst +++ b/docs/topics/contracts.rst @@ -48,7 +48,7 @@ This callback is tested using three built-in contracts: .. class:: MetadataContract - This contract (``@meta``) sets the :attr:` meta <scrapy.Request.meta>` + This contract (``@meta``) sets the :attr:`meta <scrapy.Request.meta>` attribute for the sample request. It must be a valid JSON dictionary. :: From 3c2a9fa262dd3e63acc58c8f0a2f91cf65c33bc4 Mon Sep 17 00:00:00 2001 From: Laerte Pereira <laertefbk@gmail.com> Date: Tue, 27 Aug 2024 07:16:01 -0300 Subject: [PATCH 264/786] update docs --- docs/topics/contracts.rst | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/docs/topics/contracts.rst b/docs/topics/contracts.rst index a912ff986..82afa0dc1 100644 --- a/docs/topics/contracts.rst +++ b/docs/topics/contracts.rst @@ -20,13 +20,13 @@ following example: This function parses a sample response. Some contracts are mingled with this docstring. - @url http://www.amazon.com/s?field-keywords=selfish+gene + @url http://www.example.com/s?field-keywords=selfish+gene @returns items 1 16 @returns requests 0 0 @scrapes Title Author Year Price """ -This callback is tested using three built-in contracts: +You can use the following contracts: .. module:: scrapy.contracts.default From ddbdfeb699a2308ca600781b2d1549cbee62725c Mon Sep 17 00:00:00 2001 From: Laerte Pereira <5853172+Laerte@users.noreply.github.com> Date: Tue, 27 Aug 2024 07:24:57 -0300 Subject: [PATCH 265/786] Update scrapy/contracts/default.py --- scrapy/contracts/default.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scrapy/contracts/default.py b/scrapy/contracts/default.py index 87099b950..e7b11d426 100644 --- a/scrapy/contracts/default.py +++ b/scrapy/contracts/default.py @@ -36,7 +36,7 @@ class CallbackKeywordArgumentsContract(Contract): class MetadataContract(Contract): - """Contract to key metadata arguments for the request. + """Contract to set metadata arguments for the request. The value should be JSON-encoded dictionary, e.g.: @meta {"arg1": "some value"} From 67ab8d4650c1e9212c9508803c7b5265e166cbaa Mon Sep 17 00:00:00 2001 From: Daniel O'Connor <daniel.oconnor@gmail.com> Date: Thu, 29 Aug 2024 04:37:49 +0930 Subject: [PATCH 266/786] Refactor genspider slightly so template variables can be overridden (#6470) --- scrapy/commands/genspider.py | 30 +++++++++++++++++++----------- 1 file changed, 19 insertions(+), 11 deletions(-) diff --git a/scrapy/commands/genspider.py b/scrapy/commands/genspider.py index 2649fb23d..6c3713f8f 100644 --- a/scrapy/commands/genspider.py +++ b/scrapy/commands/genspider.py @@ -116,6 +116,24 @@ class Command(ScrapyCommand): if opts.edit: self.exitcode = os.system(f'scrapy edit "{name}"') # nosec + def _generate_template_variables( + self, + module: str, + name: str, + url: str, + template_name: str, + ): + capitalized_module = "".join(s.capitalize() for s in module.split("_")) + return { + "project_name": self.settings.get("BOT_NAME"), + "ProjectName": string_camelcase(self.settings.get("BOT_NAME")), + "module": module, + "name": name, + "url": url, + "domain": extract_domain(url), + "classname": f"{capitalized_module}Spider", + } + def _genspider( self, module: str, @@ -125,17 +143,7 @@ class Command(ScrapyCommand): template_file: Union[str, os.PathLike], ) -> None: """Generate the spider module, based on the given template""" - capitalized_module = "".join(s.capitalize() for s in module.split("_")) - domain = extract_domain(url) - tvars = { - "project_name": self.settings.get("BOT_NAME"), - "ProjectName": string_camelcase(self.settings.get("BOT_NAME")), - "module": module, - "name": name, - "url": url, - "domain": domain, - "classname": f"{capitalized_module}Spider", - } + tvars = self._generate_template_variables(module, name, url, template_name) if self.settings.get("NEWSPIDER_MODULE"): spiders_module = import_module(self.settings["NEWSPIDER_MODULE"]) assert spiders_module.__file__ From f260f819e0794708868ed447ae154caa74d965f7 Mon Sep 17 00:00:00 2001 From: LucasSD <lucas.stonedrake@gmail.com> Date: Mon, 9 Sep 2024 20:26:02 +0100 Subject: [PATCH 267/786] Remove debug log message from _schedule_request method --- scrapy/core/engine.py | 5 ----- tests/test_engine.py | 1 - 2 files changed, 6 deletions(-) diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index 63d84339d..fd9a5f781 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -39,7 +39,6 @@ from scrapy.settings import Settings from scrapy.signalmanager import SignalManager from scrapy.utils.log import failure_to_exc_info, logformatter_adapter from scrapy.utils.misc import build_from_crawler, load_object -from scrapy.utils.python import global_object_name from scrapy.utils.reactor import CallLaterOnce if TYPE_CHECKING: @@ -325,10 +324,6 @@ class ExecutionEngine: ) for handler, result in request_scheduled_result: if isinstance(result, Failure) and isinstance(result.value, IgnoreRequest): - logger.debug( - f"Signal handler {global_object_name(handler)} dropped " - f"request {request} before it reached the scheduler." - ) return if not self.slot.scheduler.enqueue_request(request): # type: ignore[union-attr] self.signals.send_catch_log( diff --git a/tests/test_engine.py b/tests/test_engine.py index 86526420f..2ebc0b5e4 100644 --- a/tests/test_engine.py +++ b/tests/test_engine.py @@ -499,7 +499,6 @@ def test_request_scheduled_signal(caplog): assert scheduler.enqueued == [ keep_request ], f"{scheduler.enqueued!r} != [{keep_request!r}]" - assert "dropped request <GET https://drop.example>" in caplog.text crawler.signals.disconnect(signal_handler, request_scheduled) From b3f562d6a5265a7879a9dde3a3dde231bb3970c7 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 12 Sep 2024 14:31:50 +0500 Subject: [PATCH 268/786] Revert "Revert uvloop restrictions." This reverts commit c21c4a18509ec9657bfe6e6f99bd913bba7ea41d. --- tox.ini | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tox.ini b/tox.ini index bd6782ce5..4ccaea653 100644 --- a/tox.ini +++ b/tox.ini @@ -150,7 +150,7 @@ deps = robotexclusionrulesparser Pillow Twisted[http2] - uvloop; platform_system != "Windows" + uvloop; platform_system != "Windows" and python_version < '3.13' bpython; python_version < '3.13' # optional for shell wrapper tests brotli; implementation_name != 'pypy' # optional for HTTP compress downloader middleware tests brotlicffi; implementation_name == 'pypy' # optional for HTTP compress downloader middleware tests From ee9ee2d12d386764044ac7c73f5062548bd1157d Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 12 Sep 2024 14:32:32 +0500 Subject: [PATCH 269/786] Revert bpython restrictions. --- tox.ini | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tox.ini b/tox.ini index 4ccaea653..8f3d23d75 100644 --- a/tox.ini +++ b/tox.ini @@ -151,7 +151,7 @@ deps = Pillow Twisted[http2] uvloop; platform_system != "Windows" and python_version < '3.13' - bpython; python_version < '3.13' # optional for shell wrapper tests + bpython # optional for shell wrapper tests brotli; implementation_name != 'pypy' # optional for HTTP compress downloader middleware tests brotlicffi; implementation_name == 'pypy' # optional for HTTP compress downloader middleware tests zstandard; implementation_name != 'pypy' # optional for HTTP compress downloader middleware tests From e139d22db9f3becc0a7e19e79daa1da3bb65383f Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Fri, 20 Sep 2024 19:28:28 +0500 Subject: [PATCH 270/786] Fix expectations for get_func_args() on 3.13. --- tests/test_utils_python.py | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/tests/test_utils_python.py b/tests/test_utils_python.py index 4c60deafe..5681ff9a4 100644 --- a/tests/test_utils_python.py +++ b/tests/test_utils_python.py @@ -1,6 +1,7 @@ import functools import operator import platform +import sys from twisted.trial import unittest @@ -238,16 +239,18 @@ class UtilsPythonTestCase(unittest.TestCase): self.assertEqual(get_func_args(str.split, stripself=True), ["sep", "maxsplit"]) self.assertEqual(get_func_args(" ".join, stripself=True), ["iterable"]) - if platform.python_implementation() == "CPython": - # This didn't work on older versions of CPython: https://github.com/python/cpython/issues/86951 + if sys.version_info >= (3, 13) or platform.python_implementation() == "PyPy": + # the correct and correctly extracted signature + self.assertEqual( + get_func_args(operator.itemgetter(2), stripself=True), ["obj"] + ) + elif platform.python_implementation() == "CPython": + # ["args", "kwargs"] is a correct result for the pre-3.13 incorrect function signature + # [] is an incorrect result on even older CPython (https://github.com/python/cpython/issues/86951) self.assertIn( get_func_args(operator.itemgetter(2), stripself=True), [[], ["args", "kwargs"]], ) - elif platform.python_implementation() == "PyPy": - self.assertEqual( - get_func_args(operator.itemgetter(2), stripself=True), ["obj"] - ) def test_without_none_values(self): self.assertEqual(without_none_values([1, None, 3, 4]), [1, 3, 4]) From 46cddc6ecfbe9a0750676143ef789acf6c2e637d Mon Sep 17 00:00:00 2001 From: mmoriniere <maxime.moriniere@hotmail.fr> Date: Wed, 2 Oct 2024 10:04:03 +0200 Subject: [PATCH 271/786] Ignore SyntaxError as well when SPIDER_LOADER_WARN_ONLY is set to True (#6484) --- docs/news.rst | 6 ++++++ docs/topics/settings.rst | 2 +- scrapy/spiderloader.py | 2 +- tests/test_spiderloader/__init__.py | 28 ++++++++++++++++++++++++++++ 4 files changed, 36 insertions(+), 2 deletions(-) diff --git a/docs/news.rst b/docs/news.rst index 758b22d80..58b51c9ea 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -8,6 +8,12 @@ Release notes Scrapy VERSION (YYYY-MM-DD) --------------------------- +New features +~~~~~~~~~~~~ + +- If :setting:`SPIDER_LOADER_WARN_ONLY` is set to ``True``, + ``SpiderLoader`` does not raise :exc:`SyntaxError` but emits a warning instead. + Deprecations ~~~~~~~~~~~~ diff --git a/docs/topics/settings.rst b/docs/topics/settings.rst index 904bd7ecc..02fca7ff4 100644 --- a/docs/topics/settings.rst +++ b/docs/topics/settings.rst @@ -1580,7 +1580,7 @@ SPIDER_LOADER_WARN_ONLY Default: ``False`` By default, when Scrapy tries to import spider classes from :setting:`SPIDER_MODULES`, -it will fail loudly if there is any ``ImportError`` exception. +it will fail loudly if there is any ``ImportError`` or ``SyntaxError`` exception. But you can choose to silence this exception and turn it into a simple warning by setting ``SPIDER_LOADER_WARN_ONLY = True``. diff --git a/scrapy/spiderloader.py b/scrapy/spiderloader.py index b8fe65668..f5fd899b2 100644 --- a/scrapy/spiderloader.py +++ b/scrapy/spiderloader.py @@ -64,7 +64,7 @@ class SpiderLoader: try: for module in walk_modules(name): self._load_spiders(module) - except ImportError: + except (ImportError, SyntaxError): if self.warn_only: warnings.warn( f"\n{traceback.format_exc()}Could not load spiders " diff --git a/tests/test_spiderloader/__init__.py b/tests/test_spiderloader/__init__.py index f950739f2..32699d837 100644 --- a/tests/test_spiderloader/__init__.py +++ b/tests/test_spiderloader/__init__.py @@ -4,6 +4,7 @@ import tempfile import warnings from pathlib import Path from tempfile import mkdtemp +from unittest import mock from twisted.trial import unittest from zope.interface.verify import verifyObject @@ -136,6 +137,33 @@ class SpiderLoaderTest(unittest.TestCase): spiders = spider_loader.list() self.assertEqual(spiders, []) + def test_syntax_error_exception(self): + module = "tests.test_spiderloader.test_spiders.spider1" + with mock.patch.object(SpiderLoader, "_load_spiders") as m: + m.side_effect = SyntaxError + settings = Settings({"SPIDER_MODULES": [module]}) + self.assertRaises(SyntaxError, SpiderLoader.from_settings, settings) + + def test_syntax_error_warning(self): + with warnings.catch_warnings(record=True) as w, mock.patch.object( + SpiderLoader, "_load_spiders" + ) as m: + m.side_effect = SyntaxError + module = "tests.test_spiderloader.test_spiders.spider1" + settings = Settings( + {"SPIDER_MODULES": [module], "SPIDER_LOADER_WARN_ONLY": True} + ) + spider_loader = SpiderLoader.from_settings(settings) + if str(w[0].message).startswith("_SixMetaPathImporter"): + # needed on 3.10 because of https://github.com/benjaminp/six/issues/349, + # at least until all six versions we can import (including botocore.vendored.six) + # are updated to 1.16.0+ + w.pop(0) + self.assertIn("Could not load spiders from module", str(w[0].message)) + + spiders = spider_loader.list() + self.assertEqual(spiders, []) + class DuplicateSpiderNameLoaderTest(unittest.TestCase): def setUp(self): From 8c133fcf7e4f19d55d60dc6a090d75dab6db1a72 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Mon, 7 Oct 2024 23:04:48 +0500 Subject: [PATCH 272/786] Remove the installation dependency on setuptools. --- setup.py | 1 - 1 file changed, 1 deletion(-) diff --git a/setup.py b/setup.py index 2d6d26b0c..f458a9de3 100644 --- a/setup.py +++ b/setup.py @@ -18,7 +18,6 @@ install_requires = [ "zope.interface>=5.1.0", "protego>=0.1.15", "itemadapter>=0.1.0", - "setuptools", "packaging", "tldextract", "lxml>=4.4.1", From df6c51af0f518724151b69bd2d958a0c3fb18ff3 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 8 Oct 2024 15:37:49 +0500 Subject: [PATCH 273/786] Use the 3.13 release. --- .github/workflows/checks.yml | 4 ++-- .github/workflows/publish.yml | 2 +- .github/workflows/tests-macos.yml | 2 +- .github/workflows/tests-ubuntu.yml | 10 +++++----- .github/workflows/tests-windows.yml | 4 ++-- 5 files changed, 11 insertions(+), 11 deletions(-) diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml index 224d5cbbe..e912bf0cd 100644 --- a/.github/workflows/checks.yml +++ b/.github/workflows/checks.yml @@ -12,7 +12,7 @@ jobs: fail-fast: false matrix: include: - - python-version: "3.13.0-beta.1" + - python-version: "3.13" env: TOXENV: pylint - python-version: 3.8 @@ -24,7 +24,7 @@ jobs: - python-version: "3.12" # Keep in sync with .readthedocs.yml env: TOXENV: docs - - python-version: "3.13.0-beta.1" + - python-version: "3.13" env: TOXENV: twinecheck diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml index 75a7479eb..4c7bde147 100644 --- a/.github/workflows/publish.yml +++ b/.github/workflows/publish.yml @@ -15,7 +15,7 @@ jobs: - uses: actions/checkout@v4 - uses: actions/setup-python@v5 with: - python-version: "3.13.0-beta.1" + python-version: "3.13" - run: | pip install --upgrade build twine python -m build diff --git a/.github/workflows/tests-macos.yml b/.github/workflows/tests-macos.yml index 2e6e4265d..1f123824b 100644 --- a/.github/workflows/tests-macos.yml +++ b/.github/workflows/tests-macos.yml @@ -11,7 +11,7 @@ jobs: strategy: fail-fast: false matrix: - python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13.0-beta.1"] + python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"] steps: - uses: actions/checkout@v4 diff --git a/.github/workflows/tests-ubuntu.yml b/.github/workflows/tests-ubuntu.yml index 39af0c79f..9db2ad897 100644 --- a/.github/workflows/tests-ubuntu.yml +++ b/.github/workflows/tests-ubuntu.yml @@ -24,10 +24,10 @@ jobs: - python-version: "3.12" env: TOXENV: py - - python-version: "3.13.0-beta.1" + - python-version: "3.13" env: TOXENV: py - - python-version: "3.13.0-beta.1" + - python-version: "3.13" env: TOXENV: asyncio - python-version: pypy3.9 @@ -54,10 +54,10 @@ jobs: env: TOXENV: botocore-pinned - - python-version: "3.13.0-beta.1" + - python-version: "3.13" env: TOXENV: extra-deps - - python-version: "3.13.0-beta.1" + - python-version: "3.13" env: TOXENV: botocore @@ -70,7 +70,7 @@ jobs: python-version: ${{ matrix.python-version }} - name: Install system libraries - if: contains(matrix.python-version, 'pypy') || contains(matrix.python-version, 'beta') || contains(matrix.env.TOXENV, 'pinned') + if: contains(matrix.python-version, 'pypy') || contains(matrix.env.TOXENV, 'pinned') run: | sudo apt-get update sudo apt-get install libxml2-dev libxslt-dev diff --git a/.github/workflows/tests-windows.yml b/.github/workflows/tests-windows.yml index d32d19958..4e1034d77 100644 --- a/.github/workflows/tests-windows.yml +++ b/.github/workflows/tests-windows.yml @@ -27,10 +27,10 @@ jobs: - python-version: "3.12" env: TOXENV: py - - python-version: "3.13.0-beta.1" + - python-version: "3.13" env: TOXENV: py - - python-version: "3.13.0-beta.1" + - python-version: "3.13" env: TOXENV: asyncio From 29bb8692841491db388d4fa71f28b453a79bdab9 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 8 Oct 2024 15:43:17 +0500 Subject: [PATCH 274/786] Remove the beta block. --- .github/workflows/checks.yml | 6 ------ 1 file changed, 6 deletions(-) diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml index e912bf0cd..03298e3cc 100644 --- a/.github/workflows/checks.yml +++ b/.github/workflows/checks.yml @@ -36,12 +36,6 @@ jobs: with: python-version: ${{ matrix.python-version }} - - name: Install system libraries - if: contains(matrix.python-version, 'beta') - run: | - sudo apt-get update - sudo apt-get install libxml2-dev libxslt-dev - - name: Run check env: ${{ matrix.env }} run: | From 87651fdf47403767b5b79f075237e7351ba4853b Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 8 Oct 2024 16:04:26 +0500 Subject: [PATCH 275/786] Don't use types-setuptools. --- tox.ini | 1 - 1 file changed, 1 deletion(-) diff --git a/tox.ini b/tox.ini index 2d62f1cb7..80ef4a99e 100644 --- a/tox.ini +++ b/tox.ini @@ -50,7 +50,6 @@ deps = typing-extensions==4.12.2 types-lxml==2024.8.7 types-Pygments==2.18.0.20240506 - types-setuptools==71.1.0.20240806 botocore-stubs==1.34.158 boto3-stubs[s3]==1.34.158 attrs >= 18.2.0 From 5ef54741729739e9a161d80e74d0076dfdb973cc Mon Sep 17 00:00:00 2001 From: Klaus Rettinghaus <klaus.rettinghaus@gmail.com> Date: Wed, 9 Oct 2024 20:38:50 +0200 Subject: [PATCH 276/786] update gh-action-pypi-publish --- .github/workflows/publish.yml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml index 03e94f761..5ce48be61 100644 --- a/.github/workflows/publish.yml +++ b/.github/workflows/publish.yml @@ -20,6 +20,6 @@ jobs: pip install --upgrade build twine python -m build - name: Publish to PyPI - uses: pypa/gh-action-pypi-publish@v1.9.0 + uses: pypa/gh-action-pypi-publish@v1.10.3 with: password: ${{ secrets.PYPI_TOKEN }} From 53916630723a86277836053e1c54fe50655f0bd5 Mon Sep 17 00:00:00 2001 From: Vsevolod Breus <vsevolodbreus1@gmail.com> Date: Wed, 16 Oct 2024 08:03:16 +0000 Subject: [PATCH 277/786] Drop Python 3.8 Support (#6472) --- .github/workflows/checks.yml | 4 +- .github/workflows/tests-macos.yml | 2 +- .github/workflows/tests-ubuntu.yml | 12 +-- .github/workflows/tests-windows.yml | 5 +- .pre-commit-config.yaml | 2 +- README.rst | 2 +- docs/intro/install.rst | 2 +- scrapy/addons.py | 4 +- scrapy/cmdline.py | 26 +++--- scrapy/commands/__init__.py | 14 ++-- scrapy/commands/bench.py | 6 +- scrapy/commands/check.py | 3 +- scrapy/commands/crawl.py | 4 +- scrapy/commands/edit.py | 3 +- scrapy/commands/fetch.py | 8 +- scrapy/commands/genspider.py | 4 +- scrapy/commands/list.py | 4 +- scrapy/commands/parse.py | 41 ++++----- scrapy/commands/runspider.py | 4 +- scrapy/commands/settings.py | 3 +- scrapy/commands/shell.py | 8 +- scrapy/commands/startproject.py | 10 +-- scrapy/commands/version.py | 3 +- scrapy/contracts/__init__.py | 41 ++++----- scrapy/contracts/default.py | 14 ++-- scrapy/core/downloader/__init__.py | 29 ++----- scrapy/core/downloader/contextfactory.py | 6 +- scrapy/core/downloader/handlers/__init__.py | 28 +++---- scrapy/core/downloader/handlers/datauri.py | 4 +- scrapy/core/downloader/handlers/ftp.py | 4 +- scrapy/core/downloader/handlers/http10.py | 9 +- scrapy/core/downloader/handlers/http11.py | 14 ++-- scrapy/core/downloader/handlers/s3.py | 4 +- scrapy/core/downloader/middleware.py | 7 +- scrapy/core/downloader/tls.py | 4 +- scrapy/core/downloader/webclient.py | 6 +- scrapy/core/engine.py | 27 ++---- scrapy/core/http2/agent.py | 14 ++-- scrapy/core/http2/protocol.py | 22 ++--- scrapy/core/http2/stream.py | 12 +-- scrapy/core/scheduler.py | 20 ++--- scrapy/core/scraper.py | 31 ++----- scrapy/core/spidermw.py | 22 ++--- scrapy/crawler.py | 43 ++++------ scrapy/downloadermiddlewares/cookies.py | 5 +- .../downloadermiddlewares/defaultheaders.py | 8 +- .../downloadermiddlewares/httpcompression.py | 20 ++--- scrapy/downloadermiddlewares/httpproxy.py | 6 +- scrapy/downloadermiddlewares/offsite.py | 4 +- scrapy/downloadermiddlewares/redirect.py | 4 +- scrapy/downloadermiddlewares/retry.py | 10 +-- scrapy/downloadermiddlewares/robotstxt.py | 4 +- scrapy/downloadermiddlewares/stats.py | 4 +- scrapy/dupefilters.py | 4 +- scrapy/exporters.py | 17 ++-- scrapy/extension.py | 4 +- scrapy/extensions/closespider.py | 6 +- scrapy/extensions/feedexport.py | 84 ++++++++----------- scrapy/extensions/httpcache.py | 28 ++++--- scrapy/extensions/logstats.py | 4 +- scrapy/extensions/memusage.py | 8 +- scrapy/extensions/periodic_log.py | 34 ++++---- scrapy/extensions/postprocessing.py | 12 +-- scrapy/extensions/statsmailer.py | 8 +- scrapy/extensions/telnet.py | 8 +- scrapy/extensions/throttle.py | 4 +- scrapy/http/cookies.py | 22 ++--- scrapy/http/headers.py | 35 +++----- scrapy/http/request/__init__.py | 36 ++++---- scrapy/http/request/form.py | 34 +++----- scrapy/http/request/json_request.py | 14 ++-- scrapy/http/response/__init__.py | 50 ++++------- scrapy/http/response/text.py | 36 +++----- scrapy/item.py | 22 ++--- scrapy/linkextractors/__init__.py | 9 +- scrapy/linkextractors/lxmlhtml.py | 55 +++++------- scrapy/logformatter.py | 6 +- scrapy/mail.py | 33 +++----- scrapy/middleware.py | 29 ++----- scrapy/pipelines/__init__.py | 4 +- scrapy/pipelines/files.py | 61 +++++++------- scrapy/pipelines/images.py | 41 ++++----- scrapy/pipelines/media.py | 26 +++--- scrapy/pqueues.py | 42 ++++------ scrapy/resolver.py | 8 +- scrapy/responsetypes.py | 23 +++-- scrapy/selector/unified.py | 4 +- scrapy/settings/__init__.py | 40 ++++----- scrapy/shell.py | 13 +-- scrapy/signalmanager.py | 6 +- scrapy/spiderloader.py | 14 ++-- scrapy/spidermiddlewares/depth.py | 4 +- scrapy/spidermiddlewares/httperror.py | 6 +- scrapy/spidermiddlewares/offsite.py | 6 +- scrapy/spidermiddlewares/referer.py | 29 +++---- scrapy/spidermiddlewares/urllength.py | 4 +- scrapy/spiders/__init__.py | 8 +- scrapy/spiders/crawl.py | 36 +++----- scrapy/spiders/feed.py | 13 ++- scrapy/spiders/init.py | 3 +- scrapy/spiders/sitemap.py | 27 ++---- scrapy/squeues.py | 17 ++-- scrapy/statscollectors.py | 6 +- scrapy/utils/asyncgen.py | 5 +- scrapy/utils/conf.py | 42 ++++------ scrapy/utils/console.py | 28 ++++--- scrapy/utils/curl.py | 17 ++-- scrapy/utils/datatypes.py | 20 ++--- scrapy/utils/decorators.py | 4 +- scrapy/utils/defer.py | 45 ++++------ scrapy/utils/deprecate.py | 12 +-- scrapy/utils/engine.py | 6 +- scrapy/utils/iterators.py | 26 +++--- scrapy/utils/log.py | 31 +++---- scrapy/utils/misc.py | 28 ++----- scrapy/utils/ossignal.py | 5 +- scrapy/utils/project.py | 2 - scrapy/utils/python.py | 50 ++++------- scrapy/utils/reactor.py | 22 ++--- scrapy/utils/request.py | 25 ++---- scrapy/utils/response.py | 8 +- scrapy/utils/signal.py | 21 ++--- scrapy/utils/sitemap.py | 11 ++- scrapy/utils/spider.py | 28 ++----- scrapy/utils/test.py | 28 +++---- scrapy/utils/testproc.py | 8 +- scrapy/utils/trackref.py | 10 ++- scrapy/utils/url.py | 8 +- scrapy/utils/versions.py | 3 +- setup.py | 11 ++- tests/mocks/dummydbm.py | 6 +- tests/mockserver.py | 4 +- tests/test_addons.py | 4 +- tests/test_commands.py | 9 +- tests/test_crawler.py | 3 +- tests/test_downloader_handlers.py | 18 ++-- tests/test_http2_client_protocol.py | 4 +- tests/test_http_request.py | 6 +- tests/test_pipeline_crawl.py | 4 +- tests/test_pipeline_files.py | 9 +- tests/test_pipeline_images.py | 10 +-- tests/test_request_cb_kwargs.py | 4 +- tests/test_scheduler_base.py | 4 +- tests/test_settings/__init__.py | 7 +- tests/test_spidermiddleware.py | 6 +- tests/test_spidermiddleware_httperror.py | 3 +- tests/test_spidermiddleware_referer.py | 32 +++---- tests/test_utils_datatypes.py | 3 +- tests/test_utils_log.py | 9 +- tests/test_utils_request.py | 8 +- tests_typing/test_http_request.mypy-testing | 2 +- tests_typing/test_http_response.mypy-testing | 2 +- tox.ini | 14 ++-- 153 files changed, 1011 insertions(+), 1307 deletions(-) diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml index 2be6a9502..9240a16f4 100644 --- a/.github/workflows/checks.yml +++ b/.github/workflows/checks.yml @@ -15,10 +15,10 @@ jobs: - python-version: "3.12" env: TOXENV: pylint - - python-version: 3.8 + - python-version: "3.9" env: TOXENV: typing - - python-version: 3.8 + - python-version: "3.9" env: TOXENV: typing-tests - python-version: "3.12" # Keep in sync with .readthedocs.yml diff --git a/.github/workflows/tests-macos.yml b/.github/workflows/tests-macos.yml index 8ebe7f1db..27ea0613d 100644 --- a/.github/workflows/tests-macos.yml +++ b/.github/workflows/tests-macos.yml @@ -11,7 +11,7 @@ jobs: strategy: fail-fast: false matrix: - python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"] + python-version: ["3.9", "3.10", "3.11", "3.12"] steps: - uses: actions/checkout@v4 diff --git a/.github/workflows/tests-ubuntu.yml b/.github/workflows/tests-ubuntu.yml index 763de9eff..29c870e6a 100644 --- a/.github/workflows/tests-ubuntu.yml +++ b/.github/workflows/tests-ubuntu.yml @@ -12,7 +12,7 @@ jobs: fail-fast: false matrix: include: - - python-version: 3.9 + - python-version: "3.9" env: TOXENV: py - python-version: "3.10" @@ -35,19 +35,19 @@ jobs: TOXENV: pypy3 # pinned deps - - python-version: 3.8.17 + - python-version: 3.9.19 env: TOXENV: pinned - - python-version: 3.8.17 + - python-version: 3.9.19 env: TOXENV: asyncio-pinned - - python-version: pypy3.8 + - python-version: pypy3.9 env: TOXENV: pypy3-pinned - - python-version: 3.8.17 + - python-version: 3.9.19 env: TOXENV: extra-deps-pinned - - python-version: 3.8.17 + - python-version: 3.9.19 env: TOXENV: botocore-pinned diff --git a/.github/workflows/tests-windows.yml b/.github/workflows/tests-windows.yml index 80d09e7a0..5728c6fd0 100644 --- a/.github/workflows/tests-windows.yml +++ b/.github/workflows/tests-windows.yml @@ -12,12 +12,9 @@ jobs: fail-fast: false matrix: include: - - python-version: 3.8 + - python-version: "3.9" env: TOXENV: windows-pinned - - python-version: 3.9 - env: - TOXENV: py - python-version: "3.10" env: TOXENV: py diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml index addad838f..75529be05 100644 --- a/.pre-commit-config.yaml +++ b/.pre-commit-config.yaml @@ -33,4 +33,4 @@ repos: rev: v3.16.0 hooks: - id: pyupgrade - args: [--py38-plus, --keep-runtime-typing] + args: [--py39-plus, --keep-runtime-typing] diff --git a/README.rst b/README.rst index 14adff648..e640bce35 100644 --- a/README.rst +++ b/README.rst @@ -59,7 +59,7 @@ including a list of features. Requirements ============ -* Python 3.8+ +* Python 3.9+ * Works on Linux, Windows, macOS, BSD Install diff --git a/docs/intro/install.rst b/docs/intro/install.rst index e6c9a683b..ef541368a 100644 --- a/docs/intro/install.rst +++ b/docs/intro/install.rst @@ -9,7 +9,7 @@ Installation guide Supported Python versions ========================= -Scrapy requires Python 3.8+, either the CPython implementation (default) or +Scrapy requires Python 3.9+, either the CPython implementation (default) or the PyPy implementation (see :ref:`python:implementations`). .. _intro-install-scrapy: diff --git a/scrapy/addons.py b/scrapy/addons.py index f9ec58cea..7a1da3afc 100644 --- a/scrapy/addons.py +++ b/scrapy/addons.py @@ -1,7 +1,7 @@ from __future__ import annotations import logging -from typing import TYPE_CHECKING, Any, List +from typing import TYPE_CHECKING, Any from scrapy.exceptions import NotConfigured from scrapy.utils.conf import build_component_list @@ -20,7 +20,7 @@ class AddonManager: def __init__(self, crawler: Crawler) -> None: self.crawler: Crawler = crawler - self.addons: List[Any] = [] + self.addons: list[Any] = [] def load_settings(self, settings: Settings) -> None: """Load add-ons and configurations from a settings object and apply them. diff --git a/scrapy/cmdline.py b/scrapy/cmdline.py index e010b159a..b820eb7f9 100644 --- a/scrapy/cmdline.py +++ b/scrapy/cmdline.py @@ -6,7 +6,7 @@ import inspect import os import sys from importlib.metadata import entry_points -from typing import TYPE_CHECKING, Callable, Dict, Iterable, List, Optional, Tuple, Type +from typing import TYPE_CHECKING, Optional import scrapy from scrapy.commands import BaseRunSpiderCommand, ScrapyCommand, ScrapyHelpFormatter @@ -17,6 +17,8 @@ from scrapy.utils.project import get_project_settings, inside_project from scrapy.utils.python import garbage_collect if TYPE_CHECKING: + from collections.abc import Callable, Iterable + # typing.ParamSpec requires Python 3.10 from typing_extensions import ParamSpec @@ -28,7 +30,7 @@ if TYPE_CHECKING: class ScrapyArgumentParser(argparse.ArgumentParser): def _parse_optional( self, arg_string: str - ) -> Optional[Tuple[Optional[argparse.Action], str, Optional[str]]]: + ) -> Optional[tuple[Optional[argparse.Action], str, Optional[str]]]: # if starts with -: it means that is a parameter not a argument if arg_string[:2] == "-:": return None @@ -36,7 +38,7 @@ class ScrapyArgumentParser(argparse.ArgumentParser): return super()._parse_optional(arg_string) -def _iter_command_classes(module_name: str) -> Iterable[Type[ScrapyCommand]]: +def _iter_command_classes(module_name: str) -> Iterable[type[ScrapyCommand]]: # TODO: add `name` attribute to commands and merge this function with # scrapy.utils.spider.iter_spider_classes for module in walk_modules(module_name): @@ -50,8 +52,8 @@ def _iter_command_classes(module_name: str) -> Iterable[Type[ScrapyCommand]]: yield obj -def _get_commands_from_module(module: str, inproject: bool) -> Dict[str, ScrapyCommand]: - d: Dict[str, ScrapyCommand] = {} +def _get_commands_from_module(module: str, inproject: bool) -> dict[str, ScrapyCommand]: + d: dict[str, ScrapyCommand] = {} for cmd in _iter_command_classes(module): if inproject or not cmd.requires_project: cmdname = cmd.__module__.split(".")[-1] @@ -61,8 +63,8 @@ def _get_commands_from_module(module: str, inproject: bool) -> Dict[str, ScrapyC def _get_commands_from_entry_points( inproject: bool, group: str = "scrapy.commands" -) -> Dict[str, ScrapyCommand]: - cmds: Dict[str, ScrapyCommand] = {} +) -> dict[str, ScrapyCommand]: + cmds: dict[str, ScrapyCommand] = {} if sys.version_info >= (3, 10): eps = entry_points(group=group) else: @@ -78,7 +80,7 @@ def _get_commands_from_entry_points( def _get_commands_dict( settings: BaseSettings, inproject: bool -) -> Dict[str, ScrapyCommand]: +) -> dict[str, ScrapyCommand]: cmds = _get_commands_from_module("scrapy.commands", inproject) cmds.update(_get_commands_from_entry_points(inproject)) cmds_module = settings["COMMANDS_MODULE"] @@ -87,7 +89,7 @@ def _get_commands_dict( return cmds -def _pop_command_name(argv: List[str]) -> Optional[str]: +def _pop_command_name(argv: list[str]) -> Optional[str]: i = 0 for arg in argv[1:]: if not arg.startswith("-"): @@ -146,7 +148,7 @@ def _run_print_help( def execute( - argv: Optional[List[str]] = None, settings: Optional[Settings] = None + argv: Optional[list[str]] = None, settings: Optional[Settings] = None ) -> None: if argv is None: argv = sys.argv @@ -189,7 +191,7 @@ def execute( sys.exit(cmd.exitcode) -def _run_command(cmd: ScrapyCommand, args: List[str], opts: argparse.Namespace) -> None: +def _run_command(cmd: ScrapyCommand, args: list[str], opts: argparse.Namespace) -> None: if opts.profile: _run_command_profiled(cmd, args, opts) else: @@ -197,7 +199,7 @@ def _run_command(cmd: ScrapyCommand, args: List[str], opts: argparse.Namespace) def _run_command_profiled( - cmd: ScrapyCommand, args: List[str], opts: argparse.Namespace + cmd: ScrapyCommand, args: list[str], opts: argparse.Namespace ) -> None: if opts.profile: sys.stderr.write(f"scrapy: writing cProfile stats to {opts.profile!r}\n") diff --git a/scrapy/commands/__init__.py b/scrapy/commands/__init__.py index 0322390e5..a94db90b1 100644 --- a/scrapy/commands/__init__.py +++ b/scrapy/commands/__init__.py @@ -8,7 +8,7 @@ import argparse import builtins import os from pathlib import Path -from typing import TYPE_CHECKING, Any, Dict, Iterable, List, Optional +from typing import TYPE_CHECKING, Any, Optional from twisted.python import failure @@ -16,6 +16,8 @@ from scrapy.exceptions import UsageError from scrapy.utils.conf import arglist_to_dict, feed_process_params_from_cli if TYPE_CHECKING: + from collections.abc import Iterable + from scrapy.crawler import Crawler, CrawlerProcess @@ -24,7 +26,7 @@ class ScrapyCommand: crawler_process: Optional[CrawlerProcess] = None # default settings to be used for this command instead of global defaults - default_settings: Dict[str, Any] = {} + default_settings: dict[str, Any] = {} exitcode: int = 0 @@ -97,7 +99,7 @@ class ScrapyCommand: ) group.add_argument("--pdb", action="store_true", help="enable pdb on failure") - def process_options(self, args: List[str], opts: argparse.Namespace) -> None: + def process_options(self, args: list[str], opts: argparse.Namespace) -> None: try: self.settings.setdict(arglist_to_dict(opts.set), priority="cmdline") except ValueError: @@ -122,7 +124,7 @@ class ScrapyCommand: if opts.pdb: failure.startDebugMode() - def run(self, args: List[str], opts: argparse.Namespace) -> None: + def run(self, args: list[str], opts: argparse.Namespace) -> None: """ Entry point for running commands """ @@ -167,7 +169,7 @@ class BaseRunSpiderCommand(ScrapyCommand): help="format to use for dumping items", ) - def process_options(self, args: List[str], opts: argparse.Namespace) -> None: + def process_options(self, args: list[str], opts: argparse.Namespace) -> None: super().process_options(args, opts) try: opts.spargs = arglist_to_dict(opts.spargs) @@ -207,7 +209,7 @@ class ScrapyHelpFormatter(argparse.HelpFormatter): parts = self.format_part_strings(builtins.list(part_strings)) return super()._join_parts(parts) - def format_part_strings(self, part_strings: List[str]) -> List[str]: + def format_part_strings(self, part_strings: list[str]) -> list[str]: """ Underline and title case command line help message headers. """ diff --git a/scrapy/commands/bench.py b/scrapy/commands/bench.py index f91fec57e..4f6933006 100644 --- a/scrapy/commands/bench.py +++ b/scrapy/commands/bench.py @@ -4,7 +4,7 @@ import argparse import subprocess # nosec import sys import time -from typing import TYPE_CHECKING, Any, Iterable, List +from typing import TYPE_CHECKING, Any from urllib.parse import urlencode import scrapy @@ -13,6 +13,8 @@ from scrapy.http import Response, TextResponse from scrapy.linkextractors import LinkExtractor if TYPE_CHECKING: + from collections.abc import Iterable + from scrapy import Request @@ -26,7 +28,7 @@ class Command(ScrapyCommand): def short_desc(self) -> str: return "Run quick benchmark test" - def run(self, args: List[str], opts: argparse.Namespace) -> None: + def run(self, args: list[str], opts: argparse.Namespace) -> None: with _BenchServer(): assert self.crawler_process self.crawler_process.crawl(_BenchSpider, total=100000) diff --git a/scrapy/commands/check.py b/scrapy/commands/check.py index 22c8abf7a..c7946605b 100644 --- a/scrapy/commands/check.py +++ b/scrapy/commands/check.py @@ -1,7 +1,6 @@ import argparse import time from collections import defaultdict -from typing import List from unittest import TextTestResult as _TextTestResult from unittest import TextTestRunner @@ -69,7 +68,7 @@ class Command(ScrapyCommand): help="print contract tests for all spiders", ) - def run(self, args: List[str], opts: argparse.Namespace) -> None: + def run(self, args: list[str], opts: argparse.Namespace) -> None: # load contracts contracts = build_component_list(self.settings.getwithbase("SPIDER_CONTRACTS")) conman = ContractsManager(load_object(c) for c in contracts) diff --git a/scrapy/commands/crawl.py b/scrapy/commands/crawl.py index fe1864372..6b6a80bb5 100644 --- a/scrapy/commands/crawl.py +++ b/scrapy/commands/crawl.py @@ -1,6 +1,6 @@ from __future__ import annotations -from typing import TYPE_CHECKING, List, cast +from typing import TYPE_CHECKING, cast from twisted.python.failure import Failure @@ -20,7 +20,7 @@ class Command(BaseRunSpiderCommand): def short_desc(self) -> str: return "Run a spider" - def run(self, args: List[str], opts: argparse.Namespace) -> None: + def run(self, args: list[str], opts: argparse.Namespace) -> None: if len(args) < 1: raise UsageError() elif len(args) > 1: diff --git a/scrapy/commands/edit.py b/scrapy/commands/edit.py index 04012bee8..34313d731 100644 --- a/scrapy/commands/edit.py +++ b/scrapy/commands/edit.py @@ -1,7 +1,6 @@ import argparse import os import sys -from typing import List from scrapy.commands import ScrapyCommand from scrapy.exceptions import UsageError @@ -27,7 +26,7 @@ class Command(ScrapyCommand): sys.stderr.write(msg + os.linesep) self.exitcode = 1 - def run(self, args: List[str], opts: argparse.Namespace) -> None: + def run(self, args: list[str], opts: argparse.Namespace) -> None: if len(args) != 1: raise UsageError() diff --git a/scrapy/commands/fetch.py b/scrapy/commands/fetch.py index 0bdc429da..a1806f626 100644 --- a/scrapy/commands/fetch.py +++ b/scrapy/commands/fetch.py @@ -1,7 +1,7 @@ from __future__ import annotations import sys -from typing import TYPE_CHECKING, Dict, List, Type +from typing import TYPE_CHECKING from w3lib.url import is_url @@ -48,7 +48,7 @@ class Command(ScrapyCommand): help="do not handle HTTP 3xx status codes and print response as-is", ) - def _print_headers(self, headers: Dict[bytes, List[bytes]], prefix: bytes) -> None: + def _print_headers(self, headers: dict[bytes, list[bytes]], prefix: bytes) -> None: for key, values in headers.items(): for value in values: self._print_bytes(prefix + b" " + key + b": " + value) @@ -65,7 +65,7 @@ class Command(ScrapyCommand): def _print_bytes(self, bytes_: bytes) -> None: sys.stdout.buffer.write(bytes_ + b"\n") - def run(self, args: List[str], opts: Namespace) -> None: + def run(self, args: list[str], opts: Namespace) -> None: if len(args) != 1 or not is_url(args[0]): raise UsageError() request = Request( @@ -81,7 +81,7 @@ class Command(ScrapyCommand): else: request.meta["handle_httpstatus_all"] = True - spidercls: Type[Spider] = DefaultSpider + spidercls: type[Spider] = DefaultSpider assert self.crawler_process spider_loader = self.crawler_process.spider_loader if opts.spider: diff --git a/scrapy/commands/genspider.py b/scrapy/commands/genspider.py index 6c3713f8f..a9b7a6eee 100644 --- a/scrapy/commands/genspider.py +++ b/scrapy/commands/genspider.py @@ -4,7 +4,7 @@ import shutil import string from importlib import import_module from pathlib import Path -from typing import List, Optional, Union, cast +from typing import Optional, Union, cast from urllib.parse import urlparse import scrapy @@ -87,7 +87,7 @@ class Command(ScrapyCommand): help="If the spider already exists, overwrite it with the template", ) - def run(self, args: List[str], opts: argparse.Namespace) -> None: + def run(self, args: list[str], opts: argparse.Namespace) -> None: if opts.list: self._list_templates() return diff --git a/scrapy/commands/list.py b/scrapy/commands/list.py index 10330c92a..3b2f127c2 100644 --- a/scrapy/commands/list.py +++ b/scrapy/commands/list.py @@ -1,6 +1,6 @@ from __future__ import annotations -from typing import TYPE_CHECKING, List +from typing import TYPE_CHECKING from scrapy.commands import ScrapyCommand @@ -15,7 +15,7 @@ class Command(ScrapyCommand): def short_desc(self) -> str: return "List available spiders" - def run(self, args: List[str], opts: argparse.Namespace) -> None: + def run(self, args: list[str], opts: argparse.Namespace) -> None: assert self.crawler_process for s in sorted(self.crawler_process.spider_loader.list()): print(s) diff --git a/scrapy/commands/parse.py b/scrapy/commands/parse.py index fbd200d88..bd1fad14b 100644 --- a/scrapy/commands/parse.py +++ b/scrapy/commands/parse.py @@ -5,20 +5,7 @@ import functools import inspect import json import logging -from typing import ( - TYPE_CHECKING, - Any, - AsyncGenerator, - Coroutine, - Dict, - Iterable, - List, - Optional, - Tuple, - TypeVar, - Union, - overload, -) +from typing import TYPE_CHECKING, Any, Optional, TypeVar, Union, overload from itemadapter import ItemAdapter, is_item from twisted.internet.defer import Deferred, maybeDeferred @@ -35,6 +22,8 @@ from scrapy.utils.misc import arg_to_iter from scrapy.utils.spider import spidercls_for_request if TYPE_CHECKING: + from collections.abc import AsyncGenerator, Coroutine, Iterable + from twisted.python.failure import Failure from scrapy.http.request import CallbackT @@ -50,8 +39,8 @@ class Command(BaseRunSpiderCommand): requires_project = True spider = None - items: Dict[int, List[Any]] = {} - requests: Dict[int, List[Request]] = {} + items: dict[int, list[Any]] = {} + requests: dict[int, list[Request]] = {} first_response = None @@ -166,11 +155,11 @@ class Command(BaseRunSpiderCommand): return d return arg_to_iter(deferred_from_coro(result)) - def add_items(self, lvl: int, new_items: List[Any]) -> None: + def add_items(self, lvl: int, new_items: list[Any]) -> None: old_items = self.items.get(lvl, []) self.items[lvl] = old_items + new_items - def add_requests(self, lvl: int, new_reqs: List[Request]) -> None: + def add_requests(self, lvl: int, new_reqs: list[Request]) -> None: old_reqs = self.requests.get(lvl, []) self.requests[lvl] = old_reqs + new_reqs @@ -219,7 +208,7 @@ class Command(BaseRunSpiderCommand): depth: int, spider: Spider, callback: CallbackT, - ) -> Tuple[List[Any], List[Request], argparse.Namespace, int, Spider, CallbackT]: + ) -> tuple[list[Any], list[Request], argparse.Namespace, int, Spider, CallbackT]: items, requests = [], [] for x in spider_output: if is_item(x): @@ -232,7 +221,7 @@ class Command(BaseRunSpiderCommand): self, response: Response, callback: CallbackT, - cb_kwargs: Optional[Dict[str, Any]] = None, + cb_kwargs: Optional[dict[str, Any]] = None, ) -> Deferred[Any]: cb_kwargs = cb_kwargs or {} d = maybeDeferred(self.iterate_spider_output, callback(response, **cb_kwargs)) @@ -285,10 +274,10 @@ class Command(BaseRunSpiderCommand): def scraped_data( self, - args: Tuple[ - List[Any], List[Request], argparse.Namespace, int, Spider, CallbackT + args: tuple[ + list[Any], list[Request], argparse.Namespace, int, Spider, CallbackT ], - ) -> List[Any]: + ) -> list[Any]: items, requests, opts, depth, spider, callback = args if opts.pipelines: itemproc = self.pcrawler.engine.scraper.itemproc @@ -345,7 +334,7 @@ class Command(BaseRunSpiderCommand): def prepare_request( self, spider: Spider, request: Request, opts: argparse.Namespace ) -> Request: - def callback(response: Response, **cb_kwargs: Any) -> Deferred[List[Any]]: + def callback(response: Response, **cb_kwargs: Any) -> Deferred[list[Any]]: # memorize first request if not self.first_response: self.first_response = response @@ -376,7 +365,7 @@ class Command(BaseRunSpiderCommand): request.callback = callback return request - def process_options(self, args: List[str], opts: argparse.Namespace) -> None: + def process_options(self, args: list[str], opts: argparse.Namespace) -> None: super().process_options(args, opts) self.process_request_meta(opts) @@ -404,7 +393,7 @@ class Command(BaseRunSpiderCommand): print_help=False, ) - def run(self, args: List[str], opts: argparse.Namespace) -> None: + def run(self, args: list[str], opts: argparse.Namespace) -> None: # parse arguments if not len(args) == 1 or not is_url(args[0]): raise UsageError() diff --git a/scrapy/commands/runspider.py b/scrapy/commands/runspider.py index 87acf9a01..14d58f311 100644 --- a/scrapy/commands/runspider.py +++ b/scrapy/commands/runspider.py @@ -4,7 +4,7 @@ import argparse import sys from importlib import import_module from pathlib import Path -from typing import TYPE_CHECKING, List, Union +from typing import TYPE_CHECKING, Union from scrapy.commands import BaseRunSpiderCommand from scrapy.exceptions import UsageError @@ -41,7 +41,7 @@ class Command(BaseRunSpiderCommand): def long_desc(self) -> str: return "Run the spider defined in the given file" - def run(self, args: List[str], opts: argparse.Namespace) -> None: + def run(self, args: list[str], opts: argparse.Namespace) -> None: if len(args) != 1: raise UsageError() filename = Path(args[0]) diff --git a/scrapy/commands/settings.py b/scrapy/commands/settings.py index dbda73b44..59f86b9a7 100644 --- a/scrapy/commands/settings.py +++ b/scrapy/commands/settings.py @@ -1,6 +1,5 @@ import argparse import json -from typing import List from scrapy.commands import ScrapyCommand from scrapy.settings import BaseSettings @@ -46,7 +45,7 @@ class Command(ScrapyCommand): help="print setting value, interpreted as a list", ) - def run(self, args: List[str], opts: argparse.Namespace) -> None: + def run(self, args: list[str], opts: argparse.Namespace) -> None: assert self.crawler_process settings = self.crawler_process.settings if opts.get: diff --git a/scrapy/commands/shell.py b/scrapy/commands/shell.py index f03cf997a..27e6d68ee 100644 --- a/scrapy/commands/shell.py +++ b/scrapy/commands/shell.py @@ -7,7 +7,7 @@ See documentation in docs/topics/shell.rst from __future__ import annotations from threading import Thread -from typing import TYPE_CHECKING, Any, Dict, List, Type +from typing import TYPE_CHECKING, Any from scrapy import Spider from scrapy.commands import ScrapyCommand @@ -56,13 +56,13 @@ class Command(ScrapyCommand): help="do not handle HTTP 3xx status codes and print response as-is", ) - def update_vars(self, vars: Dict[str, Any]) -> None: + def update_vars(self, vars: dict[str, Any]) -> None: """You can use this function to update the Scrapy objects that will be available in the shell """ pass - def run(self, args: List[str], opts: Namespace) -> None: + def run(self, args: list[str], opts: Namespace) -> None: url = args[0] if args else None if url: # first argument may be a local file @@ -71,7 +71,7 @@ class Command(ScrapyCommand): assert self.crawler_process spider_loader = self.crawler_process.spider_loader - spidercls: Type[Spider] = DefaultSpider + spidercls: type[Spider] = DefaultSpider if opts.spider: spidercls = spider_loader.load(opts.spider) elif url: diff --git a/scrapy/commands/startproject.py b/scrapy/commands/startproject.py index 58c1aa28f..f7052cd18 100644 --- a/scrapy/commands/startproject.py +++ b/scrapy/commands/startproject.py @@ -6,14 +6,14 @@ from importlib.util import find_spec from pathlib import Path from shutil import copy2, copystat, ignore_patterns, move from stat import S_IWUSR as OWNER_WRITE_PERMISSION -from typing import List, Tuple, Union +from typing import Union import scrapy from scrapy.commands import ScrapyCommand from scrapy.exceptions import UsageError from scrapy.utils.template import render_templatefile, string_camelcase -TEMPLATES_TO_RENDER: Tuple[Tuple[str, ...], ...] = ( +TEMPLATES_TO_RENDER: tuple[tuple[str, ...], ...] = ( ("scrapy.cfg",), ("${project_name}", "settings.py.tmpl"), ("${project_name}", "items.py.tmpl"), @@ -86,7 +86,7 @@ class Command(ScrapyCommand): copystat(src, dst) _make_writable(dst) - def run(self, args: List[str], opts: argparse.Namespace) -> None: + def run(self, args: list[str], opts: argparse.Namespace) -> None: if len(args) not in (1, 2): raise UsageError() @@ -107,9 +107,7 @@ class Command(ScrapyCommand): return self._copytree(Path(self.templates_dir), project_dir.resolve()) - # On 3.8 shutil.move doesn't fully support Path args, but it supports our use case - # See https://bugs.python.org/issue32689 - move(project_dir / "module", project_dir / project_name) # type: ignore[arg-type] + move(project_dir / "module", project_dir / project_name) for paths in TEMPLATES_TO_RENDER: tplfile = Path( project_dir, diff --git a/scrapy/commands/version.py b/scrapy/commands/version.py index f057e8544..571f4fda8 100644 --- a/scrapy/commands/version.py +++ b/scrapy/commands/version.py @@ -1,5 +1,4 @@ import argparse -from typing import List import scrapy from scrapy.commands import ScrapyCommand @@ -25,7 +24,7 @@ class Command(ScrapyCommand): help="also display twisted/python/platform info (useful for bug reports)", ) - def run(self, args: List[str], opts: argparse.Namespace) -> None: + def run(self, args: list[str], opts: argparse.Namespace) -> None: if opts.verbose: versions = scrapy_components_versions() width = max(len(n) for (n, _) in versions) diff --git a/scrapy/contracts/__init__.py b/scrapy/contracts/__init__.py index a7e129948..ffe5053de 100644 --- a/scrapy/contracts/__init__.py +++ b/scrapy/contracts/__init__.py @@ -2,22 +2,11 @@ from __future__ import annotations import re import sys +from collections.abc import AsyncGenerator, Iterable from functools import wraps from inspect import getmembers from types import CoroutineType -from typing import ( - TYPE_CHECKING, - Any, - AsyncGenerator, - Callable, - Dict, - Iterable, - List, - Optional, - Tuple, - Type, - cast, -) +from typing import TYPE_CHECKING, Any, Optional, cast from unittest import TestCase, TestResult from scrapy.http import Request, Response @@ -25,6 +14,8 @@ from scrapy.utils.python import get_spec from scrapy.utils.spider import iterate_spider_output if TYPE_CHECKING: + from collections.abc import Callable + from twisted.python.failure import Failure from scrapy import Spider @@ -33,13 +24,13 @@ if TYPE_CHECKING: class Contract: """Abstract class for contracts""" - request_cls: Optional[Type[Request]] = None + request_cls: Optional[type[Request]] = None name: str def __init__(self, method: Callable, *args: Any): self.testcase_pre = _create_testcase(method, f"@{self.name} pre-hook") self.testcase_post = _create_testcase(method, f"@{self.name} post-hook") - self.args: Tuple[Any, ...] = args + self.args: tuple[Any, ...] = args def add_pre_hook(self, request: Request, results: TestResult) -> Request: if hasattr(self, "pre_process"): @@ -47,7 +38,7 @@ class Contract: assert cb is not None @wraps(cb) - def wrapper(response: Response, **cb_kwargs: Any) -> List[Any]: + def wrapper(response: Response, **cb_kwargs: Any) -> list[Any]: try: results.startTest(self.testcase_pre) self.pre_process(response) @@ -76,7 +67,7 @@ class Contract: assert cb is not None @wraps(cb) - def wrapper(response: Response, **cb_kwargs: Any) -> List[Any]: + def wrapper(response: Response, **cb_kwargs: Any) -> list[Any]: cb_result = cb(response, **cb_kwargs) if isinstance(cb_result, (AsyncGenerator, CoroutineType)): raise TypeError("Contracts don't support async callbacks") @@ -98,18 +89,18 @@ class Contract: return request - def adjust_request_args(self, args: Dict[str, Any]) -> Dict[str, Any]: + def adjust_request_args(self, args: dict[str, Any]) -> dict[str, Any]: return args class ContractsManager: - contracts: Dict[str, Type[Contract]] = {} + contracts: dict[str, type[Contract]] = {} - def __init__(self, contracts: Iterable[Type[Contract]]): + def __init__(self, contracts: Iterable[type[Contract]]): for contract in contracts: self.contracts[contract.name] = contract - def tested_methods_from_spidercls(self, spidercls: Type[Spider]) -> List[str]: + def tested_methods_from_spidercls(self, spidercls: type[Spider]) -> list[str]: is_method = re.compile(r"^\s*@", re.MULTILINE).search methods = [] for key, value in getmembers(spidercls): @@ -118,8 +109,8 @@ class ContractsManager: return methods - def extract_contracts(self, method: Callable) -> List[Contract]: - contracts: List[Contract] = [] + def extract_contracts(self, method: Callable) -> list[Contract]: + contracts: list[Contract] = [] assert method.__doc__ is not None for line in method.__doc__.split("\n"): line = line.strip() @@ -137,8 +128,8 @@ class ContractsManager: def from_spider( self, spider: Spider, results: TestResult - ) -> List[Optional[Request]]: - requests: List[Optional[Request]] = [] + ) -> list[Optional[Request]]: + requests: list[Optional[Request]] = [] for method in self.tested_methods_from_spidercls(type(spider)): bound_method = spider.__getattribute__(method) try: diff --git a/scrapy/contracts/default.py b/scrapy/contracts/default.py index e7b11d426..87170d3c1 100644 --- a/scrapy/contracts/default.py +++ b/scrapy/contracts/default.py @@ -1,5 +1,5 @@ import json -from typing import Any, Callable, Dict, List, Optional +from typing import Any, Callable, Optional from itemadapter import ItemAdapter, is_item @@ -16,7 +16,7 @@ class UrlContract(Contract): name = "url" - def adjust_request_args(self, args: Dict[str, Any]) -> Dict[str, Any]: + def adjust_request_args(self, args: dict[str, Any]) -> dict[str, Any]: args["url"] = self.args[0] return args @@ -30,7 +30,7 @@ class CallbackKeywordArgumentsContract(Contract): name = "cb_kwargs" - def adjust_request_args(self, args: Dict[str, Any]) -> Dict[str, Any]: + def adjust_request_args(self, args: dict[str, Any]) -> dict[str, Any]: args["cb_kwargs"] = json.loads(" ".join(self.args)) return args @@ -44,7 +44,7 @@ class MetadataContract(Contract): name = "meta" - def adjust_request_args(self, args: Dict[str, Any]) -> Dict[str, Any]: + def adjust_request_args(self, args: dict[str, Any]) -> dict[str, Any]: args["meta"] = json.loads(" ".join(self.args)) return args @@ -63,7 +63,7 @@ class ReturnsContract(Contract): """ name = "returns" - object_type_verifiers: Dict[Optional[str], Callable[[Any], bool]] = { + object_type_verifiers: dict[Optional[str], Callable[[Any], bool]] = { "request": lambda x: isinstance(x, Request), "requests": lambda x: isinstance(x, Request), "item": is_item, @@ -90,7 +90,7 @@ class ReturnsContract(Contract): except IndexError: self.max_bound = float("inf") - def post_process(self, output: List[Any]) -> None: + def post_process(self, output: list[Any]) -> None: occurrences = 0 for x in output: if self.obj_type_verifier(x): @@ -116,7 +116,7 @@ class ScrapesContract(Contract): name = "scrapes" - def post_process(self, output: List[Any]) -> None: + def post_process(self, output: list[Any]) -> None: for x in output: if is_item(x): missing = [arg for arg in self.args if arg not in ItemAdapter(x)] diff --git a/scrapy/core/downloader/__init__.py b/scrapy/core/downloader/__init__.py index 6786d7acf..77d57a8d8 100644 --- a/scrapy/core/downloader/__init__.py +++ b/scrapy/core/downloader/__init__.py @@ -5,18 +5,7 @@ import warnings from collections import deque from datetime import datetime from time import time -from typing import ( - TYPE_CHECKING, - Any, - Deque, - Dict, - Optional, - Set, - Tuple, - TypeVar, - Union, - cast, -) +from typing import TYPE_CHECKING, Any, Optional, TypeVar, Union, cast from twisted.internet import task from twisted.internet.defer import Deferred @@ -55,9 +44,9 @@ class Slot: self.randomize_delay: bool = randomize_delay self.throttle = throttle - self.active: Set[Request] = set() - self.queue: Deque[Tuple[Request, Deferred[Response]]] = deque() - self.transferring: Set[Request] = set() + self.active: set[Request] = set() + self.queue: deque[tuple[Request, Deferred[Response]]] = deque() + self.transferring: set[Request] = set() self.lastseen: float = 0 self.latercall = None @@ -95,7 +84,7 @@ class Slot: def _get_concurrency_delay( concurrency: int, spider: Spider, settings: BaseSettings -) -> Tuple[int, float]: +) -> tuple[int, float]: delay: float = settings.getfloat("DOWNLOAD_DELAY") if hasattr(spider, "download_delay"): delay = spider.download_delay @@ -112,8 +101,8 @@ class Downloader: def __init__(self, crawler: Crawler): self.settings: BaseSettings = crawler.settings self.signals: SignalManager = crawler.signals - self.slots: Dict[str, Slot] = {} - self.active: Set[Request] = set() + self.slots: dict[str, Slot] = {} + self.active: set[Request] = set() self.handlers: DownloadHandlers = DownloadHandlers(crawler) self.total_concurrency: int = self.settings.getint("CONCURRENT_REQUESTS") self.domain_concurrency: int = self.settings.getint( @@ -126,7 +115,7 @@ class Downloader: ) self._slot_gc_loop: task.LoopingCall = task.LoopingCall(self._slot_gc) self._slot_gc_loop.start(60) - self.per_slot_settings: Dict[str, Dict[str, Any]] = self.settings.getdict( + self.per_slot_settings: dict[str, dict[str, Any]] = self.settings.getdict( "DOWNLOAD_SLOTS", {} ) @@ -146,7 +135,7 @@ class Downloader: def needs_backout(self) -> bool: return len(self.active) >= self.total_concurrency - def _get_slot(self, request: Request, spider: Spider) -> Tuple[str, Slot]: + def _get_slot(self, request: Request, spider: Spider) -> tuple[str, Slot]: key = self.get_slot_key(request) if key not in self.slots: slot_settings = self.per_slot_settings.get(key, {}) diff --git a/scrapy/core/downloader/contextfactory.py b/scrapy/core/downloader/contextfactory.py index 2b388a9f5..ba20c3c2c 100644 --- a/scrapy/core/downloader/contextfactory.py +++ b/scrapy/core/downloader/contextfactory.py @@ -1,7 +1,7 @@ from __future__ import annotations import warnings -from typing import TYPE_CHECKING, Any, List, Optional +from typing import TYPE_CHECKING, Any, Optional from OpenSSL import SSL from twisted.internet._sslverify import _setAcceptableProtocols @@ -154,10 +154,10 @@ class AcceptableProtocolsContextFactory: negotiation. """ - def __init__(self, context_factory: Any, acceptable_protocols: List[bytes]): + def __init__(self, context_factory: Any, acceptable_protocols: list[bytes]): verifyObject(IPolicyForHTTPS, context_factory) self._wrapped_context_factory: Any = context_factory - self._acceptable_protocols: List[bytes] = acceptable_protocols + self._acceptable_protocols: list[bytes] = acceptable_protocols def creatorForNetloc(self, hostname: bytes, port: int) -> ClientTLSOptions: options: ClientTLSOptions = self._wrapped_context_factory.creatorForNetloc( diff --git a/scrapy/core/downloader/handlers/__init__.py b/scrapy/core/downloader/handlers/__init__.py index 70d356b83..c39e480f1 100644 --- a/scrapy/core/downloader/handlers/__init__.py +++ b/scrapy/core/downloader/handlers/__init__.py @@ -3,18 +3,8 @@ from __future__ import annotations import logging -from typing import ( - TYPE_CHECKING, - Any, - Callable, - Dict, - Generator, - Optional, - Protocol, - Type, - Union, - cast, -) +from collections.abc import Callable +from typing import TYPE_CHECKING, Any, Optional, Protocol, Union, cast from twisted.internet import defer @@ -25,6 +15,8 @@ from scrapy.utils.misc import build_from_crawler, load_object from scrapy.utils.python import without_none_values if TYPE_CHECKING: + from collections.abc import Generator + from twisted.internet.defer import Deferred from scrapy.crawler import Crawler @@ -43,16 +35,16 @@ class DownloadHandlerProtocol(Protocol): class DownloadHandlers: def __init__(self, crawler: Crawler): self._crawler: Crawler = crawler - self._schemes: Dict[str, Union[str, Callable[..., Any]]] = ( + self._schemes: dict[str, Union[str, Callable[..., Any]]] = ( {} ) # stores acceptable schemes on instancing - self._handlers: Dict[str, DownloadHandlerProtocol] = ( + self._handlers: dict[str, DownloadHandlerProtocol] = ( {} ) # stores instanced handlers for schemes - self._notconfigured: Dict[str, str] = {} # remembers failed handlers - handlers: Dict[str, Union[str, Callable[..., Any]]] = without_none_values( + self._notconfigured: dict[str, str] = {} # remembers failed handlers + handlers: dict[str, Union[str, Callable[..., Any]]] = without_none_values( cast( - Dict[str, Union[str, Callable[..., Any]]], + dict[str, Union[str, Callable[..., Any]]], crawler.settings.getwithbase("DOWNLOAD_HANDLERS"), ) ) @@ -81,7 +73,7 @@ class DownloadHandlers: ) -> Optional[DownloadHandlerProtocol]: path = self._schemes[scheme] try: - dhcls: Type[DownloadHandlerProtocol] = load_object(path) + dhcls: type[DownloadHandlerProtocol] = load_object(path) if skip_lazy and getattr(dhcls, "lazy", True): return None dh = build_from_crawler( diff --git a/scrapy/core/downloader/handlers/datauri.py b/scrapy/core/downloader/handlers/datauri.py index bf6879521..b3f286d87 100644 --- a/scrapy/core/downloader/handlers/datauri.py +++ b/scrapy/core/downloader/handlers/datauri.py @@ -1,6 +1,6 @@ from __future__ import annotations -from typing import TYPE_CHECKING, Any, Dict +from typing import TYPE_CHECKING, Any from w3lib.url import parse_data_uri @@ -20,7 +20,7 @@ class DataURIDownloadHandler: uri = parse_data_uri(request.url) respcls = responsetypes.from_mimetype(uri.media_type) - resp_kwargs: Dict[str, Any] = {} + resp_kwargs: dict[str, Any] = {} if issubclass(respcls, TextResponse) and uri.media_type.split("/")[0] == "text": charset = uri.media_type_parameters.get("charset") resp_kwargs["encoding"] = charset diff --git a/scrapy/core/downloader/handlers/ftp.py b/scrapy/core/downloader/handlers/ftp.py index 69c2d88e1..bc06c7ef4 100644 --- a/scrapy/core/downloader/handlers/ftp.py +++ b/scrapy/core/downloader/handlers/ftp.py @@ -32,7 +32,7 @@ from __future__ import annotations import re from io import BytesIO -from typing import TYPE_CHECKING, Any, BinaryIO, Dict, Optional +from typing import TYPE_CHECKING, Any, BinaryIO, Optional from urllib.parse import unquote from twisted.internet.protocol import ClientCreator, Protocol @@ -79,7 +79,7 @@ _CODE_RE = re.compile(r"\d+") class FTPDownloadHandler: lazy = False - CODE_MAPPING: Dict[str, int] = { + CODE_MAPPING: dict[str, int] = { "550": 404, "default": 503, } diff --git a/scrapy/core/downloader/handlers/http10.py b/scrapy/core/downloader/handlers/http10.py index 8d7b0635c..58f7ad577 100644 --- a/scrapy/core/downloader/handlers/http10.py +++ b/scrapy/core/downloader/handlers/http10.py @@ -1,9 +1,8 @@ -"""Download handlers for http and https schemes -""" +"""Download handlers for http and https schemes""" from __future__ import annotations -from typing import TYPE_CHECKING, Type +from typing import TYPE_CHECKING from scrapy.utils.misc import build_from_crawler, load_object from scrapy.utils.python import to_unicode @@ -27,10 +26,10 @@ class HTTP10DownloadHandler: lazy = False def __init__(self, settings: BaseSettings, crawler: Crawler): - self.HTTPClientFactory: Type[ScrapyHTTPClientFactory] = load_object( + self.HTTPClientFactory: type[ScrapyHTTPClientFactory] = load_object( settings["DOWNLOADER_HTTPCLIENTFACTORY"] ) - self.ClientContextFactory: Type[ScrapyClientContextFactory] = load_object( + self.ClientContextFactory: type[ScrapyClientContextFactory] = load_object( settings["DOWNLOADER_CLIENTCONTEXTFACTORY"] ) self._settings: BaseSettings = settings diff --git a/scrapy/core/downloader/handlers/http11.py b/scrapy/core/downloader/handlers/http11.py index c06d90f01..f96dc7c98 100644 --- a/scrapy/core/downloader/handlers/http11.py +++ b/scrapy/core/downloader/handlers/http11.py @@ -8,7 +8,7 @@ import re from contextlib import suppress from io import BytesIO from time import time -from typing import TYPE_CHECKING, Any, List, Optional, Tuple, TypedDict, TypeVar, Union +from typing import TYPE_CHECKING, Any, Optional, TypedDict, TypeVar, Union from urllib.parse import urldefrag, urlunparse from twisted.internet import ssl @@ -52,7 +52,7 @@ _T = TypeVar("_T") class _ResultT(TypedDict): txresponse: TxResponse body: bytes - flags: Optional[List[str]] + flags: Optional[list[str]] certificate: Optional[ssl.Certificate] ip_address: Union[ipaddress.IPv4Address, ipaddress.IPv6Address, None] failure: NotRequired[Optional[Failure]] @@ -143,10 +143,10 @@ class TunnelingTCP4ClientEndpoint(TCP4ClientEndpoint): reactor: ReactorBase, host: str, port: int, - proxyConf: Tuple[str, int, Optional[bytes]], + proxyConf: tuple[str, int, Optional[bytes]], contextFactory: IPolicyForHTTPS, timeout: float = 30, - bindAddress: Optional[Tuple[str, int]] = None, + bindAddress: Optional[tuple[str, int]] = None, ): proxyHost, proxyPort, self._proxyAuthHeader = proxyConf super().__init__(reactor, proxyHost, proxyPort, timeout, bindAddress) @@ -254,14 +254,14 @@ class TunnelingAgent(Agent): self, *, reactor: ReactorBase, - proxyConf: Tuple[str, int, Optional[bytes]], + proxyConf: tuple[str, int, Optional[bytes]], contextFactory: IPolicyForHTTPS, connectTimeout: Optional[float] = None, bindAddress: Optional[bytes] = None, pool: Optional[HTTPConnectionPool] = None, ): super().__init__(reactor, contextFactory, connectTimeout, bindAddress, pool) - self._proxyConf: Tuple[str, int, Optional[bytes]] = proxyConf + self._proxyConf: tuple[str, int, Optional[bytes]] = proxyConf self._contextFactory: IPolicyForHTTPS = contextFactory def _getEndpoint(self, uri: URI) -> TunnelingTCP4ClientEndpoint: @@ -621,7 +621,7 @@ class _ResponseReader(Protocol): self._crawler: Crawler = crawler def _finish_response( - self, flags: Optional[List[str]] = None, failure: Optional[Failure] = None + self, flags: Optional[list[str]] = None, failure: Optional[Failure] = None ) -> None: self._finished.callback( { diff --git a/scrapy/core/downloader/handlers/s3.py b/scrapy/core/downloader/handlers/s3.py index edf370193..fa660c63c 100644 --- a/scrapy/core/downloader/handlers/s3.py +++ b/scrapy/core/downloader/handlers/s3.py @@ -1,6 +1,6 @@ from __future__ import annotations -from typing import TYPE_CHECKING, Any, Optional, Type +from typing import TYPE_CHECKING, Any, Optional from scrapy.core.downloader.handlers.http import HTTPDownloadHandler from scrapy.exceptions import NotConfigured @@ -29,7 +29,7 @@ class S3DownloadHandler: aws_access_key_id: Optional[str] = None, aws_secret_access_key: Optional[str] = None, aws_session_token: Optional[str] = None, - httpdownloadhandler: Type[HTTPDownloadHandler] = HTTPDownloadHandler, + httpdownloadhandler: type[HTTPDownloadHandler] = HTTPDownloadHandler, **kw: Any, ): if not is_botocore_available(): diff --git a/scrapy/core/downloader/middleware.py b/scrapy/core/downloader/middleware.py index 0bdb756c8..00d3bd1b0 100644 --- a/scrapy/core/downloader/middleware.py +++ b/scrapy/core/downloader/middleware.py @@ -6,7 +6,8 @@ See documentation in docs/topics/downloader-middleware.rst from __future__ import annotations -from typing import TYPE_CHECKING, Any, Callable, Generator, List, Union, cast +from collections.abc import Callable +from typing import TYPE_CHECKING, Any, Union, cast from twisted.internet.defer import Deferred, inlineCallbacks @@ -17,6 +18,8 @@ from scrapy.utils.conf import build_component_list from scrapy.utils.defer import deferred_from_coro, mustbe_deferred if TYPE_CHECKING: + from collections.abc import Generator + from twisted.python.failure import Failure from scrapy import Spider @@ -27,7 +30,7 @@ class DownloaderMiddlewareManager(MiddlewareManager): component_name = "downloader middleware" @classmethod - def _get_mwlist_from_settings(cls, settings: BaseSettings) -> List[Any]: + def _get_mwlist_from_settings(cls, settings: BaseSettings) -> list[Any]: return build_component_list(settings.getwithbase("DOWNLOADER_MIDDLEWARES")) def _add_middleware(self, mw: Any) -> None: diff --git a/scrapy/core/downloader/tls.py b/scrapy/core/downloader/tls.py index 33cea7263..1ae66f614 100644 --- a/scrapy/core/downloader/tls.py +++ b/scrapy/core/downloader/tls.py @@ -1,5 +1,5 @@ import logging -from typing import Any, Dict +from typing import Any from OpenSSL import SSL from service_identity.exceptions import CertificateError @@ -21,7 +21,7 @@ METHOD_TLSv11 = "TLSv1.1" METHOD_TLSv12 = "TLSv1.2" -openssl_methods: Dict[str, int] = { +openssl_methods: dict[str, int] = { METHOD_TLS: SSL.SSLv23_METHOD, # protocol negotiation (recommended) METHOD_TLSv10: SSL.TLSv1_METHOD, # TLS 1.0 only METHOD_TLSv11: SSL.TLSv1_1_METHOD, # TLS 1.1 only diff --git a/scrapy/core/downloader/webclient.py b/scrapy/core/downloader/webclient.py index 99502f0d2..509bda4e4 100644 --- a/scrapy/core/downloader/webclient.py +++ b/scrapy/core/downloader/webclient.py @@ -2,7 +2,7 @@ from __future__ import annotations import re from time import time -from typing import TYPE_CHECKING, Optional, Tuple +from typing import TYPE_CHECKING, Optional from urllib.parse import ParseResult, urldefrag, urlparse, urlunparse from twisted.internet import defer @@ -18,7 +18,7 @@ if TYPE_CHECKING: from scrapy import Request -def _parsed_url_args(parsed: ParseResult) -> Tuple[bytes, bytes, bytes, int, bytes]: +def _parsed_url_args(parsed: ParseResult) -> tuple[bytes, bytes, bytes, int, bytes]: # Assume parsed is urlparse-d from Request.url, # which was passed via safe_url_string and is ascii-only. path_str = urlunparse(("", "", parsed.path or "/", parsed.params, parsed.query, "")) @@ -33,7 +33,7 @@ def _parsed_url_args(parsed: ParseResult) -> Tuple[bytes, bytes, bytes, int, byt return scheme, netloc, host, port, path -def _parse(url: str) -> Tuple[bytes, bytes, bytes, int, bytes]: +def _parse(url: str) -> tuple[bytes, bytes, bytes, int, bytes]: """Return tuple of (scheme, netloc, host, port, path), all in bytes except for port which is int. Assume url is from Request.url, which was passed via safe_url_string diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index fd9a5f781..bb09d066f 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -9,20 +9,7 @@ from __future__ import annotations import logging from time import time -from typing import ( - TYPE_CHECKING, - Any, - Callable, - Generator, - Iterable, - Iterator, - Optional, - Set, - Type, - TypeVar, - Union, - cast, -) +from typing import TYPE_CHECKING, Any, Optional, TypeVar, Union, cast from itemadapter import is_item from twisted.internet.defer import Deferred, inlineCallbacks, succeed @@ -42,6 +29,8 @@ from scrapy.utils.misc import build_from_crawler, load_object from scrapy.utils.reactor import CallLaterOnce if TYPE_CHECKING: + from collections.abc import Callable, Generator, Iterable, Iterator + from scrapy.core.scheduler import BaseScheduler from scrapy.core.scraper import _HandleOutputDeferred from scrapy.crawler import Crawler @@ -63,7 +52,7 @@ class Slot: scheduler: BaseScheduler, ) -> None: self.closing: Optional[Deferred[None]] = None - self.inprogress: Set[Request] = set() + self.inprogress: set[Request] = set() self.start_requests: Optional[Iterator[Request]] = iter(start_requests) self.close_if_idle: bool = close_if_idle self.nextcall: CallLaterOnce[None] = nextcall @@ -106,10 +95,10 @@ class ExecutionEngine: self.spider: Optional[Spider] = None self.running: bool = False self.paused: bool = False - self.scheduler_cls: Type[BaseScheduler] = self._get_scheduler_class( + self.scheduler_cls: type[BaseScheduler] = self._get_scheduler_class( crawler.settings ) - downloader_cls: Type[Downloader] = load_object(self.settings["DOWNLOADER"]) + downloader_cls: type[Downloader] = load_object(self.settings["DOWNLOADER"]) self.downloader: Downloader = downloader_cls(crawler) self.scraper = Scraper(crawler) self._spider_closed_callback: Callable[[Spider], Optional[Deferred[None]]] = ( @@ -117,10 +106,10 @@ class ExecutionEngine: ) self.start_time: Optional[float] = None - def _get_scheduler_class(self, settings: BaseSettings) -> Type[BaseScheduler]: + def _get_scheduler_class(self, settings: BaseSettings) -> type[BaseScheduler]: from scrapy.core.scheduler import BaseScheduler - scheduler_cls: Type[BaseScheduler] = load_object(settings["SCHEDULER"]) + scheduler_cls: type[BaseScheduler] = load_object(settings["SCHEDULER"]) if not issubclass(scheduler_cls, BaseScheduler): raise TypeError( f"The provided scheduler class ({settings['SCHEDULER']})" diff --git a/scrapy/core/http2/agent.py b/scrapy/core/http2/agent.py index 640fb7129..b5ff55eb0 100644 --- a/scrapy/core/http2/agent.py +++ b/scrapy/core/http2/agent.py @@ -1,7 +1,7 @@ from __future__ import annotations from collections import deque -from typing import TYPE_CHECKING, Deque, Dict, List, Optional, Tuple +from typing import TYPE_CHECKING, Optional from twisted.internet import defer from twisted.internet.defer import Deferred @@ -26,7 +26,7 @@ if TYPE_CHECKING: from scrapy.spiders import Spider -ConnectionKeyT = Tuple[bytes, bytes, int] +ConnectionKeyT = tuple[bytes, bytes, int] class H2ConnectionPool: @@ -36,11 +36,11 @@ class H2ConnectionPool: # Store a dictionary which is used to get the respective # H2ClientProtocolInstance using the key as Tuple(scheme, hostname, port) - self._connections: Dict[ConnectionKeyT, H2ClientProtocol] = {} + self._connections: dict[ConnectionKeyT, H2ClientProtocol] = {} # Save all requests that arrive before the connection is established - self._pending_requests: Dict[ - ConnectionKeyT, Deque[Deferred[H2ClientProtocol]] + self._pending_requests: dict[ + ConnectionKeyT, deque[Deferred[H2ClientProtocol]] ] = {} def get_connection( @@ -68,7 +68,7 @@ class H2ConnectionPool: ) -> Deferred[H2ClientProtocol]: self._pending_requests[key] = deque() - conn_lost_deferred: Deferred[List[BaseException]] = Deferred() + conn_lost_deferred: Deferred[list[BaseException]] = Deferred() conn_lost_deferred.addCallback(self._remove_connection, key) factory = H2ClientFactory(uri, self.settings, conn_lost_deferred) @@ -94,7 +94,7 @@ class H2ConnectionPool: return conn def _remove_connection( - self, errors: List[BaseException], key: ConnectionKeyT + self, errors: list[BaseException], key: ConnectionKeyT ) -> None: self._connections.pop(key) diff --git a/scrapy/core/http2/protocol.py b/scrapy/core/http2/protocol.py index 8aebbaab4..618423218 100644 --- a/scrapy/core/http2/protocol.py +++ b/scrapy/core/http2/protocol.py @@ -4,7 +4,7 @@ import ipaddress import itertools import logging from collections import deque -from typing import TYPE_CHECKING, Any, Deque, Dict, List, Optional, Union +from typing import TYPE_CHECKING, Any, Optional, Union from h2.config import H2Configuration from h2.connection import H2Connection @@ -91,7 +91,7 @@ class H2ClientProtocol(Protocol, TimeoutMixin): self, uri: URI, settings: Settings, - conn_lost_deferred: Deferred[List[BaseException]], + conn_lost_deferred: Deferred[list[BaseException]], ) -> None: """ Arguments: @@ -102,7 +102,7 @@ class H2ClientProtocol(Protocol, TimeoutMixin): conn_lost_deferred -- Deferred fires with the reason: Failure to notify that connection was lost """ - self._conn_lost_deferred: Deferred[List[BaseException]] = conn_lost_deferred + self._conn_lost_deferred: Deferred[list[BaseException]] = conn_lost_deferred config = H2Configuration(client_side=True, header_encoding="utf-8") self.conn = H2Connection(config=config) @@ -113,19 +113,19 @@ class H2ClientProtocol(Protocol, TimeoutMixin): self._stream_id_generator = itertools.count(start=1, step=2) # Streams are stored in a dictionary keyed off their stream IDs - self.streams: Dict[int, Stream] = {} + self.streams: dict[int, Stream] = {} # If requests are received before connection is made we keep # all requests in a pool and send them as the connection is made - self._pending_request_stream_pool: Deque[Stream] = deque() + self._pending_request_stream_pool: deque[Stream] = deque() # Save an instance of errors raised which lead to losing the connection # We pass these instances to the streams ResponseFailed() failure - self._conn_lost_errors: List[BaseException] = [] + self._conn_lost_errors: list[BaseException] = [] # Some meta data of this connection # initialized when connection is successfully made - self.metadata: Dict[str, Any] = { + self.metadata: dict[str, Any] = { # Peer certificate instance "certificate": None, # Address of the server we are connected to which @@ -250,7 +250,7 @@ class H2ClientProtocol(Protocol, TimeoutMixin): self.conn.initiate_connection() self._write_to_transport() - def _lose_connection_with_error(self, errors: List[BaseException]) -> None: + def _lose_connection_with_error(self, errors: list[BaseException]) -> None: """Helper function to lose the connection with the error sent as a reason""" self._conn_lost_errors += errors @@ -353,7 +353,7 @@ class H2ClientProtocol(Protocol, TimeoutMixin): self._pending_request_stream_pool.clear() self.conn.close_connection() - def _handle_events(self, events: List[Event]) -> None: + def _handle_events(self, events: list[Event]) -> None: """Private method which acts as a bridge between the events received from the HTTP/2 data and IH2EventsHandler @@ -442,7 +442,7 @@ class H2ClientFactory(Factory): self, uri: URI, settings: Settings, - conn_lost_deferred: Deferred[List[BaseException]], + conn_lost_deferred: Deferred[list[BaseException]], ) -> None: self.uri = uri self.settings = settings @@ -451,5 +451,5 @@ class H2ClientFactory(Factory): def buildProtocol(self, addr: IAddress) -> H2ClientProtocol: return H2ClientProtocol(self.uri, self.settings, self.conn_lost_deferred) - def acceptableProtocols(self) -> List[bytes]: + def acceptableProtocols(self) -> list[bytes]: return [PROTOCOL_NAME] diff --git a/scrapy/core/http2/stream.py b/scrapy/core/http2/stream.py index d8b5cc8eb..51ebdf489 100644 --- a/scrapy/core/http2/stream.py +++ b/scrapy/core/http2/stream.py @@ -3,7 +3,7 @@ from __future__ import annotations import logging from enum import Enum from io import BytesIO -from typing import TYPE_CHECKING, Any, Dict, List, Optional, Tuple +from typing import TYPE_CHECKING, Any, Optional from h2.errors import ErrorCodes from h2.exceptions import H2Error, ProtocolError, StreamClosedError @@ -113,7 +113,7 @@ class Stream: # Metadata of an HTTP/2 connection stream # initialized when stream is instantiated - self.metadata: Dict[str, Any] = { + self.metadata: dict[str, Any] = { "request_content_length": ( 0 if self._request.body is None else len(self._request.body) ), @@ -134,7 +134,7 @@ class Stream: # Private variable used to build the response # this response is then converted to appropriate Response class # passed to the response deferred callback - self._response: Dict[str, Any] = { + self._response: dict[str, Any] = { # Data received frame by frame from the server is appended # and passed to the response Deferred when completely received. "body": BytesIO(), @@ -196,7 +196,7 @@ class Stream: == f'{self._protocol.metadata["ip_address"]}:{self._protocol.metadata["uri"].port}' ) - def _get_request_headers(self) -> List[Tuple[str, str]]: + def _get_request_headers(self) -> list[tuple[str, str]]: url = urlparse_cached(self._request) path = url.path @@ -349,7 +349,7 @@ class Stream: self._response["flow_controlled_size"], self.stream_id ) - def receive_headers(self, headers: List[HeaderTuple]) -> None: + def receive_headers(self, headers: list[HeaderTuple]) -> None: for name, value in headers: self._response["headers"].appendlist(name, value) @@ -382,7 +382,7 @@ class Stream: def close( self, reason: StreamCloseReason, - errors: Optional[List[BaseException]] = None, + errors: Optional[list[BaseException]] = None, from_protocol: bool = False, ) -> None: """Based on the reason sent we will handle each case.""" diff --git a/scrapy/core/scheduler.py b/scrapy/core/scheduler.py index d4286c874..ced18fc05 100644 --- a/scrapy/core/scheduler.py +++ b/scrapy/core/scheduler.py @@ -4,7 +4,7 @@ import json import logging from abc import abstractmethod from pathlib import Path -from typing import TYPE_CHECKING, Any, List, Optional, Type, cast +from typing import TYPE_CHECKING, Any, Optional, cast # working around https://github.com/sphinx-doc/sphinx/issues/10400 from twisted.internet.defer import Deferred # noqa: TC002 @@ -182,18 +182,18 @@ class Scheduler(BaseScheduler): self, dupefilter: BaseDupeFilter, jobdir: Optional[str] = None, - dqclass: Optional[Type[BaseQueue]] = None, - mqclass: Optional[Type[BaseQueue]] = None, + dqclass: Optional[type[BaseQueue]] = None, + mqclass: Optional[type[BaseQueue]] = None, logunser: bool = False, stats: Optional[StatsCollector] = None, - pqclass: Optional[Type[ScrapyPriorityQueue]] = None, + pqclass: Optional[type[ScrapyPriorityQueue]] = None, crawler: Optional[Crawler] = None, ): self.df: BaseDupeFilter = dupefilter self.dqdir: Optional[str] = self._dqdir(jobdir) - self.pqclass: Optional[Type[ScrapyPriorityQueue]] = pqclass - self.dqclass: Optional[Type[BaseQueue]] = dqclass - self.mqclass: Optional[Type[BaseQueue]] = mqclass + self.pqclass: Optional[type[ScrapyPriorityQueue]] = pqclass + self.dqclass: Optional[type[BaseQueue]] = dqclass + self.mqclass: Optional[type[BaseQueue]] = mqclass self.logunser: bool = logunser self.stats: Optional[StatsCollector] = stats self.crawler: Optional[Crawler] = crawler @@ -364,13 +364,13 @@ class Scheduler(BaseScheduler): return str(dqdir) return None - def _read_dqs_state(self, dqdir: str) -> List[int]: + def _read_dqs_state(self, dqdir: str) -> list[int]: path = Path(dqdir, "active.json") if not path.exists(): return [] with path.open(encoding="utf-8") as f: - return cast(List[int], json.load(f)) + return cast(list[int], json.load(f)) - def _write_dqs_state(self, dqdir: str, state: List[int]) -> None: + def _write_dqs_state(self, dqdir: str, state: list[int]) -> None: with Path(dqdir, "active.json").open("w", encoding="utf-8") as f: json.dump(state, f) diff --git a/scrapy/core/scraper.py b/scrapy/core/scraper.py index 7a51dbeb4..29d7cb0c8 100644 --- a/scrapy/core/scraper.py +++ b/scrapy/core/scraper.py @@ -5,23 +5,8 @@ from __future__ import annotations import logging from collections import deque -from typing import ( - TYPE_CHECKING, - Any, - AsyncIterable, - Deque, - Generator, - Iterable, - Iterator, - List, - Optional, - Set, - Tuple, - Type, - TypeVar, - Union, - cast, -) +from collections.abc import AsyncIterable, Iterator +from typing import TYPE_CHECKING, Any, Optional, TypeVar, Union, cast from itemadapter import is_item from twisted.internet.defer import Deferred, inlineCallbacks @@ -47,6 +32,8 @@ from scrapy.utils.misc import load_object, warn_on_generator_with_return_value from scrapy.utils.spider import iterate_spider_output if TYPE_CHECKING: + from collections.abc import Generator, Iterable + from scrapy.crawler import Crawler @@ -54,12 +41,12 @@ logger = logging.getLogger(__name__) _T = TypeVar("_T") -_ParallelResult = List[Tuple[bool, Iterator[Any]]] +_ParallelResult = list[tuple[bool, Iterator[Any]]] if TYPE_CHECKING: # parameterized Deferreds require Twisted 21.7.0 _HandleOutputDeferred = Deferred[Union[_ParallelResult, None]] - QueueTuple = Tuple[Union[Response, Failure], Request, _HandleOutputDeferred] + QueueTuple = tuple[Union[Response, Failure], Request, _HandleOutputDeferred] class Slot: @@ -69,8 +56,8 @@ class Slot: def __init__(self, max_active_size: int = 5000000): self.max_active_size = max_active_size - self.queue: Deque[QueueTuple] = deque() - self.active: Set[Request] = set() + self.queue: deque[QueueTuple] = deque() + self.active: set[Request] = set() self.active_size: int = 0 self.itemproc_size: int = 0 self.closing: Optional[Deferred[Spider]] = None @@ -113,7 +100,7 @@ class Scraper: self.spidermw: SpiderMiddlewareManager = SpiderMiddlewareManager.from_crawler( crawler ) - itemproc_cls: Type[ItemPipelineManager] = load_object( + itemproc_cls: type[ItemPipelineManager] = load_object( crawler.settings["ITEM_PROCESSOR"] ) self.itemproc: ItemPipelineManager = itemproc_cls.from_crawler(crawler) diff --git a/scrapy/core/spidermw.py b/scrapy/core/spidermw.py index c9feac29c..223e4192e 100644 --- a/scrapy/core/spidermw.py +++ b/scrapy/core/spidermw.py @@ -7,22 +7,10 @@ See documentation in docs/topics/spider-middleware.rst from __future__ import annotations import logging +from collections.abc import AsyncIterable, Callable, Iterable from inspect import isasyncgenfunction, iscoroutine from itertools import islice -from typing import ( - TYPE_CHECKING, - Any, - AsyncIterable, - Callable, - Generator, - Iterable, - List, - Optional, - Tuple, - TypeVar, - Union, - cast, -) +from typing import TYPE_CHECKING, Any, Optional, TypeVar, Union, cast from twisted.internet.defer import Deferred, inlineCallbacks from twisted.python.failure import Failure @@ -42,6 +30,8 @@ from scrapy.utils.defer import ( from scrapy.utils.python import MutableAsyncChain, MutableChain if TYPE_CHECKING: + from collections.abc import Generator + from scrapy.settings import BaseSettings @@ -66,7 +56,7 @@ class SpiderMiddlewareManager(MiddlewareManager): self.downgrade_warning_done = False @classmethod - def _get_mwlist_from_settings(cls, settings: BaseSettings) -> List[Any]: + def _get_mwlist_from_settings(cls, settings: BaseSettings) -> list[Any]: return build_component_list(settings.getwithbase("SPIDER_MIDDLEWARES")) def _add_middleware(self, mw: Any) -> None: @@ -349,7 +339,7 @@ class SpiderMiddlewareManager(MiddlewareManager): @staticmethod def _get_async_method_pair( mw: Any, methodname: str - ) -> Union[None, Callable, Tuple[Callable, Callable]]: + ) -> Union[None, Callable, tuple[Callable, Callable]]: normal_method: Optional[Callable] = getattr(mw, methodname, None) methodname_async = methodname + "_async" async_method: Optional[Callable] = getattr(mw, methodname_async, None) diff --git a/scrapy/crawler.py b/scrapy/crawler.py index ecb0a8150..b0a4932e1 100644 --- a/scrapy/crawler.py +++ b/scrapy/crawler.py @@ -4,18 +4,7 @@ import logging import pprint import signal import warnings -from typing import ( - TYPE_CHECKING, - Any, - Dict, - Generator, - Optional, - Set, - Type, - TypeVar, - Union, - cast, -) +from typing import TYPE_CHECKING, Any, Optional, TypeVar, Union, cast from twisted.internet.defer import ( Deferred, @@ -53,6 +42,8 @@ from scrapy.utils.reactor import ( ) if TYPE_CHECKING: + from collections.abc import Generator + from scrapy.utils.request import RequestFingerprinter @@ -64,8 +55,8 @@ _T = TypeVar("_T") class Crawler: def __init__( self, - spidercls: Type[Spider], - settings: Union[None, Dict[str, Any], Settings] = None, + spidercls: type[Spider], + settings: Union[None, dict[str, Any], Settings] = None, init_reactor: bool = False, ): if isinstance(spidercls, Spider): @@ -74,7 +65,7 @@ class Crawler: if isinstance(settings, dict) or settings is None: settings = Settings(settings) - self.spidercls: Type[Spider] = spidercls + self.spidercls: type[Spider] = spidercls self.settings: Settings = settings.copy() self.spidercls.update_settings(self.settings) self._update_root_log_handler() @@ -112,7 +103,7 @@ class Crawler: self.__remove_handler = lambda: logging.root.removeHandler(handler) self.signals.connect(self.__remove_handler, signals.engine_stopped) - lf_cls: Type[LogFormatter] = load_object(self.settings["LOG_FORMATTER"]) + lf_cls: type[LogFormatter] = load_object(self.settings["LOG_FORMATTER"]) self.logformatter = lf_cls.from_crawler(self) self.request_fingerprinter = build_from_crawler( @@ -256,18 +247,18 @@ class CrawlerRunner: verifyClass(ISpiderLoader, loader_cls) return loader_cls.from_settings(settings.frozencopy()) - def __init__(self, settings: Union[Dict[str, Any], Settings, None] = None): + def __init__(self, settings: Union[dict[str, Any], Settings, None] = None): if isinstance(settings, dict) or settings is None: settings = Settings(settings) self.settings = settings self.spider_loader = self._get_spider_loader(settings) - self._crawlers: Set[Crawler] = set() - self._active: Set[Deferred[None]] = set() + self._crawlers: set[Crawler] = set() + self._active: set[Deferred[None]] = set() self.bootstrap_failed = False def crawl( self, - crawler_or_spidercls: Union[Type[Spider], str, Crawler], + crawler_or_spidercls: Union[type[Spider], str, Crawler], *args: Any, **kwargs: Any, ) -> Deferred[None]: @@ -314,7 +305,7 @@ class CrawlerRunner: return d.addBoth(_done) def create_crawler( - self, crawler_or_spidercls: Union[Type[Spider], str, Crawler] + self, crawler_or_spidercls: Union[type[Spider], str, Crawler] ) -> Crawler: """ Return a :class:`~scrapy.crawler.Crawler` object. @@ -335,11 +326,11 @@ class CrawlerRunner: return crawler_or_spidercls return self._create_crawler(crawler_or_spidercls) - def _create_crawler(self, spidercls: Union[str, Type[Spider]]) -> Crawler: + def _create_crawler(self, spidercls: Union[str, type[Spider]]) -> Crawler: if isinstance(spidercls, str): spidercls = self.spider_loader.load(spidercls) # temporary cast until self.spider_loader is typed - return Crawler(cast(Type[Spider], spidercls), self.settings) + return Crawler(cast(type[Spider], spidercls), self.settings) def stop(self) -> Deferred[Any]: """ @@ -387,7 +378,7 @@ class CrawlerProcess(CrawlerRunner): def __init__( self, - settings: Union[Dict[str, Any], Settings, None] = None, + settings: Union[dict[str, Any], Settings, None] = None, install_root_handler: bool = True, ): super().__init__(settings) @@ -416,14 +407,14 @@ class CrawlerProcess(CrawlerRunner): ) reactor.callFromThread(self._stop_reactor) - def _create_crawler(self, spidercls: Union[Type[Spider], str]) -> Crawler: + def _create_crawler(self, spidercls: Union[type[Spider], str]) -> Crawler: if isinstance(spidercls, str): spidercls = self.spider_loader.load(spidercls) init_reactor = not self._initialized_reactor self._initialized_reactor = True # temporary cast until self.spider_loader is typed return Crawler( - cast(Type[Spider], spidercls), self.settings, init_reactor=init_reactor + cast(type[Spider], spidercls), self.settings, init_reactor=init_reactor ) def start( diff --git a/scrapy/downloadermiddlewares/cookies.py b/scrapy/downloadermiddlewares/cookies.py index 23140d263..e384793ee 100644 --- a/scrapy/downloadermiddlewares/cookies.py +++ b/scrapy/downloadermiddlewares/cookies.py @@ -2,7 +2,7 @@ from __future__ import annotations import logging from collections import defaultdict -from typing import TYPE_CHECKING, Any, DefaultDict, Iterable, Optional, Sequence, Union +from typing import TYPE_CHECKING, Any, Optional, Union from tldextract import TLDExtract @@ -13,6 +13,7 @@ from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.python import to_unicode if TYPE_CHECKING: + from collections.abc import Iterable, Sequence from http.cookiejar import Cookie # typing.Self requires Python 3.11 @@ -39,7 +40,7 @@ class CookiesMiddleware: """This middleware enables working with sites that need cookies""" def __init__(self, debug: bool = False): - self.jars: DefaultDict[Any, CookieJar] = defaultdict(CookieJar) + self.jars: defaultdict[Any, CookieJar] = defaultdict(CookieJar) self.debug: bool = debug @classmethod diff --git a/scrapy/downloadermiddlewares/defaultheaders.py b/scrapy/downloadermiddlewares/defaultheaders.py index 49b9fdc05..312c1e026 100644 --- a/scrapy/downloadermiddlewares/defaultheaders.py +++ b/scrapy/downloadermiddlewares/defaultheaders.py @@ -6,11 +6,13 @@ See documentation in docs/topics/downloader-middleware.rst from __future__ import annotations -from typing import TYPE_CHECKING, Iterable, Tuple, Union +from typing import TYPE_CHECKING, Union from scrapy.utils.python import without_none_values if TYPE_CHECKING: + from collections.abc import Iterable + # typing.Self requires Python 3.11 from typing_extensions import Self @@ -20,8 +22,8 @@ if TYPE_CHECKING: class DefaultHeadersMiddleware: - def __init__(self, headers: Iterable[Tuple[str, str]]): - self._headers: Iterable[Tuple[str, str]] = headers + def __init__(self, headers: Iterable[tuple[str, str]]): + self._headers: Iterable[tuple[str, str]] = headers @classmethod def from_crawler(cls, crawler: Crawler) -> Self: diff --git a/scrapy/downloadermiddlewares/httpcompression.py b/scrapy/downloadermiddlewares/httpcompression.py index 6b0a56f7f..b0cede97d 100644 --- a/scrapy/downloadermiddlewares/httpcompression.py +++ b/scrapy/downloadermiddlewares/httpcompression.py @@ -3,7 +3,7 @@ from __future__ import annotations import warnings from itertools import chain from logging import getLogger -from typing import TYPE_CHECKING, Any, Dict, List, Optional, Tuple, Union +from typing import TYPE_CHECKING, Any, Optional, Union from scrapy import Request, Spider, signals from scrapy.exceptions import IgnoreRequest, NotConfigured @@ -28,7 +28,7 @@ if TYPE_CHECKING: logger = getLogger(__name__) -ACCEPTED_ENCODINGS: List[bytes] = [b"gzip", b"deflate"] +ACCEPTED_ENCODINGS: list[bytes] = [b"gzip", b"deflate"] try: try: @@ -50,7 +50,7 @@ else: class HttpCompressionMiddleware: """This middleware allows compressed (gzip, deflate) traffic to be - sent/received from web sites""" + sent/received from websites""" def __init__( self, @@ -140,7 +140,7 @@ class HttpCompressionMiddleware: respcls = responsetypes.from_args( headers=response.headers, url=response.url, body=decoded_body ) - kwargs: Dict[str, Any] = {"body": decoded_body} + kwargs: dict[str, Any] = {"body": decoded_body} if issubclass(respcls, TextResponse): # force recalculating the encoding until we make sure the # responsetypes guessing is reliable @@ -152,23 +152,23 @@ class HttpCompressionMiddleware: return response def _handle_encoding( - self, body: bytes, content_encoding: List[bytes], max_size: int - ) -> Tuple[bytes, List[bytes]]: + self, body: bytes, content_encoding: list[bytes], max_size: int + ) -> tuple[bytes, list[bytes]]: to_decode, to_keep = self._split_encodings(content_encoding) for encoding in to_decode: body = self._decode(body, encoding, max_size) return body, to_keep def _split_encodings( - self, content_encoding: List[bytes] - ) -> Tuple[List[bytes], List[bytes]]: - to_keep: List[bytes] = [ + self, content_encoding: list[bytes] + ) -> tuple[list[bytes], list[bytes]]: + to_keep: list[bytes] = [ encoding.strip().lower() for encoding in chain.from_iterable( encodings.split(b",") for encodings in content_encoding ) ] - to_decode: List[bytes] = [] + to_decode: list[bytes] = [] while to_keep: encoding = to_keep.pop() if encoding not in ACCEPTED_ENCODINGS: diff --git a/scrapy/downloadermiddlewares/httpproxy.py b/scrapy/downloadermiddlewares/httpproxy.py index a7af83f7d..b35ecbd54 100644 --- a/scrapy/downloadermiddlewares/httpproxy.py +++ b/scrapy/downloadermiddlewares/httpproxy.py @@ -1,7 +1,7 @@ from __future__ import annotations import base64 -from typing import TYPE_CHECKING, Dict, Optional, Tuple, Union +from typing import TYPE_CHECKING, Optional, Union from urllib.parse import unquote, urlunparse from urllib.request import ( # type: ignore[attr-defined] _parse_proxy, @@ -25,7 +25,7 @@ if TYPE_CHECKING: class HttpProxyMiddleware: def __init__(self, auth_encoding: Optional[str] = "latin-1"): self.auth_encoding: Optional[str] = auth_encoding - self.proxies: Dict[str, Tuple[Optional[bytes], str]] = {} + self.proxies: dict[str, tuple[Optional[bytes], str]] = {} for type_, url in getproxies().items(): try: self.proxies[type_] = self._get_proxy(url, type_) @@ -47,7 +47,7 @@ class HttpProxyMiddleware: ) return base64.b64encode(user_pass) - def _get_proxy(self, url: str, orig_type: str) -> Tuple[Optional[bytes], str]: + def _get_proxy(self, url: str, orig_type: str) -> tuple[Optional[bytes], str]: proxy_type, user, password, hostport = _parse_proxy(url) proxy_url = urlunparse((proxy_type or orig_type, hostport, "", "", "", "")) diff --git a/scrapy/downloadermiddlewares/offsite.py b/scrapy/downloadermiddlewares/offsite.py index 6f67e3975..05ec4cad4 100644 --- a/scrapy/downloadermiddlewares/offsite.py +++ b/scrapy/downloadermiddlewares/offsite.py @@ -3,7 +3,7 @@ from __future__ import annotations import logging import re import warnings -from typing import TYPE_CHECKING, Set +from typing import TYPE_CHECKING from scrapy import Request, Spider, signals from scrapy.exceptions import IgnoreRequest @@ -31,7 +31,7 @@ class OffsiteMiddleware: def __init__(self, stats: StatsCollector): self.stats = stats - self.domains_seen: Set[str] = set() + self.domains_seen: set[str] = set() def spider_opened(self, spider: Spider) -> None: self.host_regex: re.Pattern[str] = self.get_host_regex(spider) diff --git a/scrapy/downloadermiddlewares/redirect.py b/scrapy/downloadermiddlewares/redirect.py index 53081237c..6437485cf 100644 --- a/scrapy/downloadermiddlewares/redirect.py +++ b/scrapy/downloadermiddlewares/redirect.py @@ -1,7 +1,7 @@ from __future__ import annotations import logging -from typing import TYPE_CHECKING, Any, List, Union, cast +from typing import TYPE_CHECKING, Any, Union, cast from urllib.parse import urljoin from w3lib.url import safe_url_string @@ -180,7 +180,7 @@ class MetaRefreshMiddleware(BaseRedirectMiddleware): def __init__(self, settings: BaseSettings): super().__init__(settings) - self._ignore_tags: List[str] = settings.getlist("METAREFRESH_IGNORE_TAGS") + self._ignore_tags: list[str] = settings.getlist("METAREFRESH_IGNORE_TAGS") self._maxdelay: int = settings.getint("METAREFRESH_MAXDELAY") def process_response( diff --git a/scrapy/downloadermiddlewares/retry.py b/scrapy/downloadermiddlewares/retry.py index 8d7b7293c..c32624371 100644 --- a/scrapy/downloadermiddlewares/retry.py +++ b/scrapy/downloadermiddlewares/retry.py @@ -7,14 +7,14 @@ RETRY_TIMES - how many times to retry a failed page RETRY_HTTP_CODES - which HTTP response codes to retry Failed pages are collected on the scraping process and rescheduled at the end, -once the spider has finished crawling all regular (non failed) pages. +once the spider has finished crawling all regular (non-failed) pages. """ from __future__ import annotations import warnings from logging import Logger, getLogger -from typing import TYPE_CHECKING, Any, Optional, Tuple, Type, Union +from typing import TYPE_CHECKING, Any, Optional, Union from scrapy.exceptions import NotConfigured, ScrapyDeprecationWarning from scrapy.settings import BaseSettings, Settings @@ -35,7 +35,7 @@ if TYPE_CHECKING: retry_logger = getLogger(__name__) -def backwards_compatibility_getattr(self: Any, name: str) -> Tuple[Any, ...]: +def backwards_compatibility_getattr(self: Any, name: str) -> tuple[Any, ...]: if name == "EXCEPTIONS_TO_RETRY": warnings.warn( "Attribute RetryMiddleware.EXCEPTIONS_TO_RETRY is deprecated. " @@ -60,7 +60,7 @@ def get_retry_request( request: Request, *, spider: Spider, - reason: Union[str, Exception, Type[Exception]] = "unspecified", + reason: Union[str, Exception, type[Exception]] = "unspecified", max_retry_times: Optional[int] = None, priority_adjust: Optional[int] = None, logger: Logger = retry_logger, @@ -187,7 +187,7 @@ class RetryMiddleware(metaclass=BackwardsCompatibilityMetaclass): def _retry( self, request: Request, - reason: Union[str, Exception, Type[Exception]], + reason: Union[str, Exception, type[Exception]], spider: Spider, ) -> Optional[Request]: max_retry_times = request.meta.get("max_retry_times", self.max_retry_times) diff --git a/scrapy/downloadermiddlewares/robotstxt.py b/scrapy/downloadermiddlewares/robotstxt.py index 73757162f..421c58e68 100644 --- a/scrapy/downloadermiddlewares/robotstxt.py +++ b/scrapy/downloadermiddlewares/robotstxt.py @@ -7,7 +7,7 @@ enable this middleware and enable the ROBOTSTXT_OBEY setting. from __future__ import annotations import logging -from typing import TYPE_CHECKING, Dict, Optional, TypeVar, Union +from typing import TYPE_CHECKING, Optional, TypeVar, Union from twisted.internet.defer import Deferred, maybeDeferred @@ -45,7 +45,7 @@ class RobotsTxtMiddleware: "ROBOTSTXT_USER_AGENT", None ) self.crawler: Crawler = crawler - self._parsers: Dict[ + self._parsers: dict[ str, Union[RobotParser, Deferred[Optional[RobotParser]], None] ] = {} self._parserimpl: RobotParser = load_object( diff --git a/scrapy/downloadermiddlewares/stats.py b/scrapy/downloadermiddlewares/stats.py index 0faae7b5a..ab5655393 100644 --- a/scrapy/downloadermiddlewares/stats.py +++ b/scrapy/downloadermiddlewares/stats.py @@ -1,6 +1,6 @@ from __future__ import annotations -from typing import TYPE_CHECKING, Dict, List, Tuple, Union +from typing import TYPE_CHECKING, Union from twisted.web import http @@ -19,7 +19,7 @@ if TYPE_CHECKING: def get_header_size( - headers: Dict[str, Union[List[Union[str, bytes]], Tuple[Union[str, bytes], ...]]] + headers: dict[str, Union[list[Union[str, bytes]], tuple[Union[str, bytes], ...]]] ) -> int: size = 0 for key, value in headers.items(): diff --git a/scrapy/dupefilters.py b/scrapy/dupefilters.py index 40ea48510..28118977d 100644 --- a/scrapy/dupefilters.py +++ b/scrapy/dupefilters.py @@ -2,7 +2,7 @@ from __future__ import annotations import logging from pathlib import Path -from typing import TYPE_CHECKING, Optional, Set +from typing import TYPE_CHECKING, Optional from scrapy.utils.job import job_dir from scrapy.utils.request import ( @@ -56,7 +56,7 @@ class RFPDupeFilter(BaseDupeFilter): self.fingerprinter: RequestFingerprinterProtocol = ( fingerprinter or RequestFingerprinter() ) - self.fingerprints: Set[str] = set() + self.fingerprints: set[str] = set() self.logdupes = True self.debug = debug self.logger = logging.getLogger(__name__) diff --git a/scrapy/exporters.py b/scrapy/exporters.py index fb4998099..ee0033dfb 100644 --- a/scrapy/exporters.py +++ b/scrapy/exporters.py @@ -6,9 +6,10 @@ import csv import marshal import pickle # nosec import pprint +from collections.abc import Callable, Iterable, Mapping from io import BytesIO, TextIOWrapper from json import JSONEncoder -from typing import Any, Callable, Dict, Iterable, Mapping, Optional, Tuple, Union +from typing import Any, Optional, Union from xml.sax.saxutils import XMLGenerator # nosec from xml.sax.xmlreader import AttributesImpl # nosec @@ -32,10 +33,10 @@ __all__ = [ class BaseItemExporter: def __init__(self, *, dont_fail: bool = False, **kwargs: Any): - self._kwargs: Dict[str, Any] = kwargs + self._kwargs: dict[str, Any] = kwargs self._configure(kwargs, dont_fail=dont_fail) - def _configure(self, options: Dict[str, Any], dont_fail: bool = False) -> None: + def _configure(self, options: dict[str, Any], dont_fail: bool = False) -> None: """Configure the exporter by popping options from the ``options`` dict. If dont_fail is set, it won't raise an exception on unexpected options (useful for using with keyword arguments in subclasses ``__init__`` methods) @@ -66,7 +67,7 @@ class BaseItemExporter: def _get_serialized_fields( self, item: Any, default_value: Any = None, include_empty: Optional[bool] = None - ) -> Iterable[Tuple[str, Any]]: + ) -> Iterable[tuple[str, Any]]: """Return the fields to export as an iterable of tuples (name, serialized_value) """ @@ -339,7 +340,7 @@ class PythonItemExporter(BaseItemExporter): .. _msgpack: https://pypi.org/project/msgpack/ """ - def _configure(self, options: Dict[str, Any], dont_fail: bool = False) -> None: + def _configure(self, options: dict[str, Any], dont_fail: bool = False) -> None: super()._configure(options, dont_fail) if not self.encoding: self.encoding = "utf-8" @@ -363,10 +364,10 @@ class PythonItemExporter(BaseItemExporter): return to_unicode(value, encoding=self.encoding) return value - def _serialize_item(self, item: Any) -> Iterable[Tuple[Union[str, bytes], Any]]: + def _serialize_item(self, item: Any) -> Iterable[tuple[Union[str, bytes], Any]]: for key, value in ItemAdapter(item).items(): yield key, self._serialize_value(value) - def export_item(self, item: Any) -> Dict[Union[str, bytes], Any]: # type: ignore[override] - result: Dict[Union[str, bytes], Any] = dict(self._get_serialized_fields(item)) + def export_item(self, item: Any) -> dict[Union[str, bytes], Any]: # type: ignore[override] + result: dict[Union[str, bytes], Any] = dict(self._get_serialized_fields(item)) return result diff --git a/scrapy/extension.py b/scrapy/extension.py index 8c81ab356..9f978fa32 100644 --- a/scrapy/extension.py +++ b/scrapy/extension.py @@ -6,7 +6,7 @@ See documentation in docs/topics/extensions.rst from __future__ import annotations -from typing import TYPE_CHECKING, Any, List +from typing import TYPE_CHECKING, Any from scrapy.middleware import MiddlewareManager from scrapy.utils.conf import build_component_list @@ -19,5 +19,5 @@ class ExtensionManager(MiddlewareManager): component_name = "extension" @classmethod - def _get_mwlist_from_settings(cls, settings: Settings) -> List[Any]: + def _get_mwlist_from_settings(cls, settings: Settings) -> list[Any]: return build_component_list(settings.getwithbase("EXTENSIONS")) diff --git a/scrapy/extensions/closespider.py b/scrapy/extensions/closespider.py index cef5527b7..dff8bc97e 100644 --- a/scrapy/extensions/closespider.py +++ b/scrapy/extensions/closespider.py @@ -8,7 +8,7 @@ from __future__ import annotations import logging from collections import defaultdict -from typing import TYPE_CHECKING, Any, DefaultDict, Dict +from typing import TYPE_CHECKING, Any from scrapy import Request, Spider, signals from scrapy.exceptions import NotConfigured @@ -30,7 +30,7 @@ class CloseSpider: def __init__(self, crawler: Crawler): self.crawler: Crawler = crawler - self.close_on: Dict[str, Any] = { + self.close_on: dict[str, Any] = { "timeout": crawler.settings.getfloat("CLOSESPIDER_TIMEOUT"), "itemcount": crawler.settings.getint("CLOSESPIDER_ITEMCOUNT"), "pagecount": crawler.settings.getint("CLOSESPIDER_PAGECOUNT"), @@ -44,7 +44,7 @@ class CloseSpider: if not any(self.close_on.values()): raise NotConfigured - self.counter: DefaultDict[str, int] = defaultdict(int) + self.counter: defaultdict[str, int] = defaultdict(int) if self.close_on.get("errorcount"): crawler.signals.connect(self.error_count, signal=signals.spider_error) diff --git a/scrapy/extensions/feedexport.py b/scrapy/extensions/feedexport.py index 0d7f5bfd4..b1001dabb 100644 --- a/scrapy/extensions/feedexport.py +++ b/scrapy/extensions/feedexport.py @@ -10,25 +10,11 @@ import logging import re import sys import warnings +from collections.abc import Callable from datetime import datetime, timezone from pathlib import Path, PureWindowsPath from tempfile import NamedTemporaryFile -from typing import ( - IO, - TYPE_CHECKING, - Any, - Callable, - Dict, - Iterable, - List, - Optional, - Protocol, - Tuple, - Type, - TypeVar, - Union, - cast, -) +from typing import IO, TYPE_CHECKING, Any, Optional, Protocol, TypeVar, Union, cast from urllib.parse import unquote, urlparse from twisted.internet.defer import Deferred, DeferredList, maybeDeferred @@ -50,6 +36,8 @@ from scrapy.utils.misc import build_from_crawler, load_object from scrapy.utils.python import without_none_values if TYPE_CHECKING: + from collections.abc import Iterable + from _typeshed import OpenBinaryMode from twisted.python.failure import Failure @@ -70,7 +58,7 @@ except ImportError: logger = logging.getLogger(__name__) -UriParamsCallableT = Callable[[Dict[str, Any], Spider], Optional[Dict[str, Any]]] +UriParamsCallableT = Callable[[dict[str, Any], Spider], Optional[dict[str, Any]]] _StorageT = TypeVar("_StorageT", bound="FeedStorageProtocol") @@ -79,7 +67,7 @@ def build_storage( builder: Callable[..., _StorageT], uri: str, *args: Any, - feed_options: Optional[Dict[str, Any]] = None, + feed_options: Optional[dict[str, Any]] = None, preargs: Iterable[Any] = (), **kwargs: Any, ) -> _StorageT: @@ -96,10 +84,10 @@ class ItemFilter: :type feed_options: dict """ - feed_options: Optional[Dict[str, Any]] - item_classes: Tuple[type, ...] + feed_options: Optional[dict[str, Any]] + item_classes: tuple[type, ...] - def __init__(self, feed_options: Optional[Dict[str, Any]]) -> None: + def __init__(self, feed_options: Optional[dict[str, Any]]) -> None: self.feed_options = feed_options if feed_options is not None: self.item_classes = tuple( @@ -141,7 +129,7 @@ class IFeedStorage(Interface): class FeedStorageProtocol(Protocol): """Reimplementation of ``IFeedStorage`` that can be used in type hints.""" - def __init__(self, uri: str, *, feed_options: Optional[Dict[str, Any]] = None): + def __init__(self, uri: str, *, feed_options: Optional[dict[str, Any]] = None): """Initialize the storage with the parameters given in the URI and the feed-specific options (see :setting:`FEEDS`)""" @@ -176,7 +164,7 @@ class StdoutFeedStorage: uri: str, _stdout: Optional[IO[bytes]] = None, *, - feed_options: Optional[Dict[str, Any]] = None, + feed_options: Optional[dict[str, Any]] = None, ): if not _stdout: _stdout = sys.stdout.buffer @@ -198,7 +186,7 @@ class StdoutFeedStorage: @implementer(IFeedStorage) class FileFeedStorage: - def __init__(self, uri: str, *, feed_options: Optional[Dict[str, Any]] = None): + def __init__(self, uri: str, *, feed_options: Optional[dict[str, Any]] = None): self.path: str = file_uri_to_path(uri) feed_options = feed_options or {} self.write_mode: OpenBinaryMode = ( @@ -225,7 +213,7 @@ class S3FeedStorage(BlockingFeedStorage): acl: Optional[str] = None, endpoint_url: Optional[str] = None, *, - feed_options: Optional[Dict[str, Any]] = None, + feed_options: Optional[dict[str, Any]] = None, session_token: Optional[str] = None, region_name: Optional[str] = None, ): @@ -291,7 +279,7 @@ class S3FeedStorage(BlockingFeedStorage): crawler: Crawler, uri: str, *, - feed_options: Optional[Dict[str, Any]] = None, + feed_options: Optional[dict[str, Any]] = None, ) -> Self: return build_storage( cls, @@ -307,7 +295,7 @@ class S3FeedStorage(BlockingFeedStorage): def _store_in_thread(self, file: IO[bytes]) -> None: file.seek(0) - kwargs: Dict[str, Any] + kwargs: dict[str, Any] if IS_BOTO3_AVAILABLE: kwargs = {"ExtraArgs": {"ACL": self.acl}} if self.acl else {} self.s3_client.upload_fileobj( @@ -354,7 +342,7 @@ class FTPFeedStorage(BlockingFeedStorage): uri: str, use_active_mode: bool = False, *, - feed_options: Optional[Dict[str, Any]] = None, + feed_options: Optional[dict[str, Any]] = None, ): u = urlparse(uri) if not u.hostname: @@ -373,7 +361,7 @@ class FTPFeedStorage(BlockingFeedStorage): crawler: Crawler, uri: str, *, - feed_options: Optional[Dict[str, Any]] = None, + feed_options: Optional[dict[str, Any]] = None, ) -> Self: return build_storage( cls, @@ -405,9 +393,9 @@ class FeedSlot: batch_id: int, uri_template: str, filter: ItemFilter, - feed_options: Dict[str, Any], + feed_options: dict[str, Any], spider: Spider, - exporters: Dict[str, Type[BaseItemExporter]], + exporters: dict[str, type[BaseItemExporter]], settings: BaseSettings, crawler: Crawler, ): @@ -422,9 +410,9 @@ class FeedSlot: self.uri: str = uri self.filter: ItemFilter = filter # exporter params - self.feed_options: Dict[str, Any] = feed_options + self.feed_options: dict[str, Any] = feed_options self.spider: Spider = spider - self.exporters: Dict[str, Type[BaseItemExporter]] = exporters + self.exporters: dict[str, type[BaseItemExporter]] = exporters self.settings: BaseSettings = settings self.crawler: Crawler = crawler # flags @@ -460,7 +448,7 @@ class FeedSlot: self._exporting = True def _get_instance( - self, objcls: Type[BaseItemExporter], *args: Any, **kwargs: Any + self, objcls: type[BaseItemExporter], *args: Any, **kwargs: Any ) -> BaseItemExporter: return build_from_crawler(objcls, self.crawler, *args, **kwargs) @@ -483,7 +471,7 @@ _FeedSlot = create_deprecated_class( class FeedExporter: - _pending_deferreds: List[Deferred[None]] = [] + _pending_deferreds: list[Deferred[None]] = [] @classmethod def from_crawler(cls, crawler: Crawler) -> Self: @@ -497,8 +485,8 @@ class FeedExporter: self.crawler: Crawler = crawler self.settings: Settings = crawler.settings self.feeds = {} - self.slots: List[FeedSlot] = [] - self.filters: Dict[str, ItemFilter] = {} + self.slots: list[FeedSlot] = [] + self.filters: dict[str, ItemFilter] = {} if not self.settings["FEEDS"] and not self.settings["FEED_URI"]: raise NotConfigured @@ -530,10 +518,10 @@ class FeedExporter: ) self.filters[uri] = self._load_filter(feed_options) - self.storages: Dict[str, Type[FeedStorageProtocol]] = self._load_components( + self.storages: dict[str, type[FeedStorageProtocol]] = self._load_components( "FEED_STORAGES" ) - self.exporters: Dict[str, Type[BaseItemExporter]] = self._load_components( + self.exporters: dict[str, type[BaseItemExporter]] = self._load_components( "FEED_EXPORTERS" ) for uri, feed_options in self.feeds.items(): @@ -631,7 +619,7 @@ class FeedExporter: self, batch_id: int, uri: str, - feed_options: Dict[str, Any], + feed_options: dict[str, Any], spider: Spider, uri_template: str, ) -> FeedSlot: @@ -696,9 +684,9 @@ class FeedExporter: slots.append(slot) self.slots = slots - def _load_components(self, setting_prefix: str) -> Dict[str, Any]: + def _load_components(self, setting_prefix: str) -> dict[str, Any]: conf = without_none_values( - cast(Dict[str, str], self.settings.getwithbase(setting_prefix)) + cast(dict[str, str], self.settings.getwithbase(setting_prefix)) ) d = {} for k, v in conf.items(): @@ -732,7 +720,7 @@ class FeedExporter: return False return True - def _storage_supported(self, uri: str, feed_options: Dict[str, Any]) -> bool: + def _storage_supported(self, uri: str, feed_options: dict[str, Any]) -> bool: scheme = urlparse(uri).scheme if scheme in self.storages or PureWindowsPath(uri).drive: try: @@ -748,7 +736,7 @@ class FeedExporter: return False def _get_storage( - self, uri: str, feed_options: Dict[str, Any] + self, uri: str, feed_options: dict[str, Any] ) -> FeedStorageProtocol: """Fork of create_instance specific to feed storage classes @@ -759,7 +747,7 @@ class FeedExporter: crawler = getattr(self, "crawler", None) def build_instance( - builder: Type[FeedStorageProtocol], *preargs: Any + builder: type[FeedStorageProtocol], *preargs: Any ) -> FeedStorageProtocol: return build_storage( builder, uri, feed_options=feed_options, preargs=preargs @@ -784,7 +772,7 @@ class FeedExporter: spider: Spider, uri_params_function: Union[str, UriParamsCallableT, None], slot: Optional[FeedSlot] = None, - ) -> Dict[str, Any]: + ) -> dict[str, Any]: params = {} for k in dir(spider): params[k] = getattr(spider, k) @@ -800,9 +788,9 @@ class FeedExporter: new_params = uripar_function(params, spider) return new_params if new_params is not None else params - def _load_filter(self, feed_options: Dict[str, Any]) -> ItemFilter: + def _load_filter(self, feed_options: dict[str, Any]) -> ItemFilter: # load the item filter if declared else load the default filter class - item_filter_class: Type[ItemFilter] = load_object( + item_filter_class: type[ItemFilter] = load_object( feed_options.get("item_filter", ItemFilter) ) return item_filter_class(feed_options) diff --git a/scrapy/extensions/httpcache.py b/scrapy/extensions/httpcache.py index 448d5f1ab..a72f9db51 100644 --- a/scrapy/extensions/httpcache.py +++ b/scrapy/extensions/httpcache.py @@ -9,7 +9,7 @@ from importlib import import_module from pathlib import Path from time import time from types import ModuleType -from typing import IO, TYPE_CHECKING, Any, Callable, Dict, List, Optional, Union, cast +from typing import IO, TYPE_CHECKING, Any, Optional, Union, cast from weakref import WeakKeyDictionary from w3lib.http import headers_dict_to_raw, headers_raw_to_dict @@ -22,6 +22,8 @@ from scrapy.utils.python import to_bytes, to_unicode from scrapy.utils.request import RequestFingerprinter if TYPE_CHECKING: + from collections.abc import Callable + # typing.Concatenate requires Python 3.10 from typing_extensions import Concatenate @@ -35,8 +37,8 @@ logger = logging.getLogger(__name__) class DummyPolicy: def __init__(self, settings: BaseSettings): - self.ignore_schemes: List[str] = settings.getlist("HTTPCACHE_IGNORE_SCHEMES") - self.ignore_http_codes: List[int] = [ + self.ignore_schemes: list[str] = settings.getlist("HTTPCACHE_IGNORE_SCHEMES") + self.ignore_http_codes: list[int] = [ int(x) for x in settings.getlist("HTTPCACHE_IGNORE_HTTP_CODES") ] @@ -62,18 +64,18 @@ class RFC2616Policy: def __init__(self, settings: BaseSettings): self.always_store: bool = settings.getbool("HTTPCACHE_ALWAYS_STORE") - self.ignore_schemes: List[str] = settings.getlist("HTTPCACHE_IGNORE_SCHEMES") + self.ignore_schemes: list[str] = settings.getlist("HTTPCACHE_IGNORE_SCHEMES") self._cc_parsed: WeakKeyDictionary[ - Union[Request, Response], Dict[bytes, Optional[bytes]] + Union[Request, Response], dict[bytes, Optional[bytes]] ] = WeakKeyDictionary() - self.ignore_response_cache_controls: List[bytes] = [ + self.ignore_response_cache_controls: list[bytes] = [ to_bytes(cc) for cc in settings.getlist("HTTPCACHE_IGNORE_RESPONSE_CACHE_CONTROLS") ] def _parse_cachecontrol( self, r: Union[Request, Response] - ) -> Dict[bytes, Optional[bytes]]: + ) -> dict[bytes, Optional[bytes]]: if r not in self._cc_parsed: cch = r.headers.get(b"Cache-Control", b"") assert cch is not None @@ -189,7 +191,7 @@ class RFC2616Policy: if b"ETag" in cachedresponse.headers: request.headers[b"If-None-Match"] = cachedresponse.headers[b"ETag"] - def _get_max_age(self, cc: Dict[bytes, Optional[bytes]]) -> Optional[int]: + def _get_max_age(self, cc: dict[bytes, Optional[bytes]]) -> Optional[int]: try: return max(0, int(cc[b"max-age"])) # type: ignore[arg-type] except (KeyError, ValueError): @@ -298,7 +300,7 @@ class DbmCacheStorage: self.db[f"{key}_data"] = pickle.dumps(data, protocol=4) self.db[f"{key}_time"] = str(time()) - def _read_data(self, spider: Spider, request: Request) -> Optional[Dict[str, Any]]: + def _read_data(self, spider: Spider, request: Request) -> Optional[dict[str, Any]]: key = self._fingerprinter.fingerprint(request).hex() db = self.db tkey = f"{key}_time" @@ -309,7 +311,7 @@ class DbmCacheStorage: if 0 < self.expiration_secs < time() - float(ts): return None # expired - return cast(Dict[str, Any], pickle.loads(db[f"{key}_data"])) # nosec + return cast(dict[str, Any], pickle.loads(db[f"{key}_data"])) # nosec class FilesystemCacheStorage: @@ -385,7 +387,7 @@ class FilesystemCacheStorage: key = self._fingerprinter.fingerprint(request).hex() return str(Path(self.cachedir, spider.name, key[0:2], key)) - def _read_meta(self, spider: Spider, request: Request) -> Optional[Dict[str, Any]]: + def _read_meta(self, spider: Spider, request: Request) -> Optional[dict[str, Any]]: rpath = Path(self._get_request_path(spider, request)) metapath = rpath / "pickled_meta" if not metapath.exists(): @@ -394,10 +396,10 @@ class FilesystemCacheStorage: if 0 < self.expiration_secs < time() - mtime: return None # expired with self._open(metapath, "rb") as f: - return cast(Dict[str, Any], pickle.load(f)) # nosec + return cast(dict[str, Any], pickle.load(f)) # nosec -def parse_cachecontrol(header: bytes) -> Dict[bytes, Optional[bytes]]: +def parse_cachecontrol(header: bytes) -> dict[bytes, Optional[bytes]]: """Parse Cache-Control header https://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9 diff --git a/scrapy/extensions/logstats.py b/scrapy/extensions/logstats.py index c4f43482d..01484481b 100644 --- a/scrapy/extensions/logstats.py +++ b/scrapy/extensions/logstats.py @@ -1,7 +1,7 @@ from __future__ import annotations import logging -from typing import TYPE_CHECKING, Optional, Tuple, Union +from typing import TYPE_CHECKING, Optional, Union from twisted.internet import task @@ -81,7 +81,7 @@ class LogStats: def calculate_final_stats( self, spider: Spider - ) -> Union[Tuple[None, None], Tuple[float, float]]: + ) -> Union[tuple[None, None], tuple[float, float]]: start_time = self.stats.get_value("start_time") finished_time = self.stats.get_value("finished_time") diff --git a/scrapy/extensions/memusage.py b/scrapy/extensions/memusage.py index 25f63ecc6..73d864d5d 100644 --- a/scrapy/extensions/memusage.py +++ b/scrapy/extensions/memusage.py @@ -11,7 +11,7 @@ import socket import sys from importlib import import_module from pprint import pformat -from typing import TYPE_CHECKING, List +from typing import TYPE_CHECKING from twisted.internet import task @@ -42,7 +42,7 @@ class MemoryUsage: self.crawler: Crawler = crawler self.warned: bool = False - self.notify_mails: List[str] = crawler.settings.getlist("MEMUSAGE_NOTIFY_MAIL") + self.notify_mails: list[str] = crawler.settings.getlist("MEMUSAGE_NOTIFY_MAIL") self.limit: int = crawler.settings.getint("MEMUSAGE_LIMIT_MB") * 1024 * 1024 self.warning: int = crawler.settings.getint("MEMUSAGE_WARNING_MB") * 1024 * 1024 self.check_interval: float = crawler.settings.getfloat( @@ -66,7 +66,7 @@ class MemoryUsage: def engine_started(self) -> None: assert self.crawler.stats self.crawler.stats.set_value("memusage/startup", self.get_virtual_size()) - self.tasks: List[task.LoopingCall] = [] + self.tasks: list[task.LoopingCall] = [] tsk = task.LoopingCall(self.update) self.tasks.append(tsk) tsk.start(self.check_interval, now=True) @@ -141,7 +141,7 @@ class MemoryUsage: self.crawler.stats.set_value("memusage/warning_notified", 1) self.warned = True - def _send_report(self, rcpts: List[str], subject: str) -> None: + def _send_report(self, rcpts: list[str], subject: str) -> None: """send notification mail with some additional useful info""" assert self.crawler.engine assert self.crawler.stats diff --git a/scrapy/extensions/periodic_log.py b/scrapy/extensions/periodic_log.py index 80c0a3b26..fba12bec7 100644 --- a/scrapy/extensions/periodic_log.py +++ b/scrapy/extensions/periodic_log.py @@ -3,7 +3,7 @@ from __future__ import annotations import logging from datetime import datetime, timezone from json import JSONEncoder -from typing import TYPE_CHECKING, Any, Dict, List, Optional, Union +from typing import TYPE_CHECKING, Any, Optional, Union from twisted.internet import task @@ -29,8 +29,8 @@ class PeriodicLog: self, stats: StatsCollector, interval: float = 60.0, - ext_stats: Dict[str, Any] = {}, - ext_delta: Dict[str, Any] = {}, + ext_stats: dict[str, Any] = {}, + ext_delta: dict[str, Any] = {}, ext_timing_enabled: bool = False, ): self.stats: StatsCollector = stats @@ -39,11 +39,11 @@ class PeriodicLog: self.task: Optional[task.LoopingCall] = None self.encoder: JSONEncoder = ScrapyJSONEncoder(sort_keys=True, indent=4) self.ext_stats_enabled: bool = bool(ext_stats) - self.ext_stats_include: List[str] = ext_stats.get("include", []) - self.ext_stats_exclude: List[str] = ext_stats.get("exclude", []) + self.ext_stats_include: list[str] = ext_stats.get("include", []) + self.ext_stats_exclude: list[str] = ext_stats.get("exclude", []) self.ext_delta_enabled: bool = bool(ext_delta) - self.ext_delta_include: List[str] = ext_delta.get("include", []) - self.ext_delta_exclude: List[str] = ext_delta.get("exclude", []) + self.ext_delta_include: list[str] = ext_delta.get("include", []) + self.ext_delta_exclude: list[str] = ext_delta.get("exclude", []) self.ext_timing_enabled: bool = ext_timing_enabled @classmethod @@ -52,7 +52,7 @@ class PeriodicLog: if not interval: raise NotConfigured try: - ext_stats: Optional[Dict[str, Any]] = crawler.settings.getdict( + ext_stats: Optional[dict[str, Any]] = crawler.settings.getdict( "PERIODIC_LOG_STATS" ) except (TypeError, ValueError): @@ -62,7 +62,7 @@ class PeriodicLog: else None ) try: - ext_delta: Optional[Dict[str, Any]] = crawler.settings.getdict( + ext_delta: Optional[dict[str, Any]] = crawler.settings.getdict( "PERIODIC_LOG_DELTA" ) except (TypeError, ValueError): @@ -93,14 +93,14 @@ class PeriodicLog: def spider_opened(self, spider: Spider) -> None: self.time_prev: datetime = datetime.now(tz=timezone.utc) - self.delta_prev: Dict[str, Union[int, float]] = {} - self.stats_prev: Dict[str, Union[int, float]] = {} + self.delta_prev: dict[str, Union[int, float]] = {} + self.stats_prev: dict[str, Union[int, float]] = {} self.task = task.LoopingCall(self.log) self.task.start(self.interval) def log(self) -> None: - data: Dict[str, Any] = {} + data: dict[str, Any] = {} if self.ext_timing_enabled: data.update(self.log_timing()) if self.ext_delta_enabled: @@ -109,8 +109,8 @@ class PeriodicLog: data.update(self.log_crawler_stats()) logger.info(self.encoder.encode(data)) - def log_delta(self) -> Dict[str, Any]: - num_stats: Dict[str, Union[int, float]] = { + def log_delta(self) -> dict[str, Any]: + num_stats: dict[str, Union[int, float]] = { k: v for k, v in self.stats._stats.items() if isinstance(v, (int, float)) @@ -120,7 +120,7 @@ class PeriodicLog: self.delta_prev = num_stats return {"delta": delta} - def log_timing(self) -> Dict[str, Any]: + def log_timing(self) -> dict[str, Any]: now = datetime.now(tz=timezone.utc) time = { "log_interval": self.interval, @@ -132,7 +132,7 @@ class PeriodicLog: self.time_prev = now return {"time": time} - def log_crawler_stats(self) -> Dict[str, Any]: + def log_crawler_stats(self) -> dict[str, Any]: stats = { k: v for k, v in self.stats._stats.items() @@ -141,7 +141,7 @@ class PeriodicLog: return {"stats": stats} def param_allowed( - self, stat_name: str, include: List[str], exclude: List[str] + self, stat_name: str, include: list[str], exclude: list[str] ) -> bool: if not include and not exclude: return True diff --git a/scrapy/extensions/postprocessing.py b/scrapy/extensions/postprocessing.py index ac12ad829..16067f82b 100644 --- a/scrapy/extensions/postprocessing.py +++ b/scrapy/extensions/postprocessing.py @@ -6,7 +6,7 @@ from bz2 import BZ2File from gzip import GzipFile from io import IOBase from lzma import LZMAFile -from typing import IO, Any, BinaryIO, Dict, List, cast +from typing import IO, Any, BinaryIO, cast from scrapy.utils.misc import load_object @@ -24,7 +24,7 @@ class GzipPlugin: See :py:class:`gzip.GzipFile` for more info about parameters. """ - def __init__(self, file: BinaryIO, feed_options: Dict[str, Any]) -> None: + def __init__(self, file: BinaryIO, feed_options: dict[str, Any]) -> None: self.file = file self.feed_options = feed_options compress_level = self.feed_options.get("gzip_compresslevel", 9) @@ -56,7 +56,7 @@ class Bz2Plugin: See :py:class:`bz2.BZ2File` for more info about parameters. """ - def __init__(self, file: BinaryIO, feed_options: Dict[str, Any]) -> None: + def __init__(self, file: BinaryIO, feed_options: dict[str, Any]) -> None: self.file = file self.feed_options = feed_options compress_level = self.feed_options.get("bz2_compresslevel", 9) @@ -88,7 +88,7 @@ class LZMAPlugin: See :py:class:`lzma.LZMAFile` for more info about parameters. """ - def __init__(self, file: BinaryIO, feed_options: Dict[str, Any]) -> None: + def __init__(self, file: BinaryIO, feed_options: dict[str, Any]) -> None: self.file = file self.feed_options = feed_options @@ -126,7 +126,7 @@ class PostProcessingManager(IOBase): """ def __init__( - self, plugins: List[Any], file: IO[bytes], feed_options: Dict[str, Any] + self, plugins: list[Any], file: IO[bytes], feed_options: dict[str, Any] ) -> None: self.plugins = self._load_plugins(plugins) self.file = file @@ -156,7 +156,7 @@ class PostProcessingManager(IOBase): def writable(self) -> bool: return True - def _load_plugins(self, plugins: List[Any]) -> List[Any]: + def _load_plugins(self, plugins: list[Any]) -> list[Any]: plugins = [load_object(plugin) for plugin in plugins] return plugins diff --git a/scrapy/extensions/statsmailer.py b/scrapy/extensions/statsmailer.py index cad607514..c8fefe792 100644 --- a/scrapy/extensions/statsmailer.py +++ b/scrapy/extensions/statsmailer.py @@ -6,7 +6,7 @@ Use STATSMAILER_RCPTS setting to enable and give the recipient mail address from __future__ import annotations -from typing import TYPE_CHECKING, List, Optional +from typing import TYPE_CHECKING, Optional from scrapy import Spider, signals from scrapy.exceptions import NotConfigured @@ -23,14 +23,14 @@ if TYPE_CHECKING: class StatsMailer: - def __init__(self, stats: StatsCollector, recipients: List[str], mail: MailSender): + def __init__(self, stats: StatsCollector, recipients: list[str], mail: MailSender): self.stats: StatsCollector = stats - self.recipients: List[str] = recipients + self.recipients: list[str] = recipients self.mail: MailSender = mail @classmethod def from_crawler(cls, crawler: Crawler) -> Self: - recipients: List[str] = crawler.settings.getlist("STATSMAILER_RCPTS") + recipients: list[str] = crawler.settings.getlist("STATSMAILER_RCPTS") if not recipients: raise NotConfigured mail: MailSender = MailSender.from_settings(crawler.settings) diff --git a/scrapy/extensions/telnet.py b/scrapy/extensions/telnet.py index c64a0b417..07dc5880b 100644 --- a/scrapy/extensions/telnet.py +++ b/scrapy/extensions/telnet.py @@ -10,7 +10,7 @@ import binascii import logging import os import pprint -from typing import TYPE_CHECKING, Any, Dict, List +from typing import TYPE_CHECKING, Any from twisted.internet import protocol from twisted.internet.tcp import Port @@ -45,7 +45,7 @@ class TelnetConsole(protocol.ServerFactory): self.crawler: Crawler = crawler self.noisy: bool = False - self.portrange: List[int] = [ + self.portrange: list[int] = [ int(x) for x in crawler.settings.getlist("TELNETCONSOLE_PORT") ] self.host: str = crawler.settings["TELNETCONSOLE_HOST"] @@ -98,10 +98,10 @@ class TelnetConsole(protocol.ServerFactory): return telnet.TelnetTransport(telnet.AuthenticatingTelnetProtocol, Portal()) - def _get_telnet_vars(self) -> Dict[str, Any]: + def _get_telnet_vars(self) -> dict[str, Any]: # Note: if you add entries here also update topics/telnetconsole.rst assert self.crawler.engine - telnet_vars: Dict[str, Any] = { + telnet_vars: dict[str, Any] = { "engine": self.crawler.engine, "spider": self.crawler.engine.spider, "slot": self.crawler.engine.slot, diff --git a/scrapy/extensions/throttle.py b/scrapy/extensions/throttle.py index 6ce9ce63a..6b5fd181d 100644 --- a/scrapy/extensions/throttle.py +++ b/scrapy/extensions/throttle.py @@ -1,7 +1,7 @@ from __future__ import annotations import logging -from typing import TYPE_CHECKING, Optional, Tuple +from typing import TYPE_CHECKING, Optional from scrapy import Request, Spider, signals from scrapy.exceptions import NotConfigured @@ -90,7 +90,7 @@ class AutoThrottle: def _get_slot( self, request: Request, spider: Spider - ) -> Tuple[Optional[str], Optional[Slot]]: + ) -> tuple[Optional[str], Optional[Slot]]: key: Optional[str] = request.meta.get("download_slot") if key is None: return None, None diff --git a/scrapy/http/cookies.py b/scrapy/http/cookies.py index cc88a9420..b5388a918 100644 --- a/scrapy/http/cookies.py +++ b/scrapy/http/cookies.py @@ -5,22 +5,14 @@ import time from http.cookiejar import Cookie from http.cookiejar import CookieJar as _CookieJar from http.cookiejar import CookiePolicy, DefaultCookiePolicy -from typing import ( - TYPE_CHECKING, - Any, - Dict, - Iterator, - List, - Optional, - Sequence, - Tuple, - cast, -) +from typing import TYPE_CHECKING, Any, Optional, cast from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.python import to_unicode if TYPE_CHECKING: + from collections.abc import Iterator, Sequence + # typing.Self requires Python 3.11 from typing_extensions import Self @@ -83,7 +75,7 @@ class CookieJar: self.jar.clear_expired_cookies() @property - def _cookies(self) -> Dict[str, Dict[str, Dict[str, Cookie]]]: + def _cookies(self) -> dict[str, dict[str, dict[str, Cookie]]]: return self.jar._cookies # type: ignore[attr-defined,no-any-return] def clear_session_cookies(self) -> None: @@ -118,7 +110,7 @@ class CookieJar: self.jar.set_cookie_if_ok(cookie, WrappedRequest(request)) # type: ignore[arg-type] -def potential_domain_matches(domain: str) -> List[str]: +def potential_domain_matches(domain: str) -> list[str]: """Potential domain matches for a cookie >>> potential_domain_matches('www.example.com') @@ -200,7 +192,7 @@ class WrappedRequest: value = self.request.headers.get(name, default) return to_unicode(value, errors="replace") if value is not None else None - def header_items(self) -> List[Tuple[str, List[str]]]: + def header_items(self) -> list[tuple[str, list[str]]]: return [ ( to_unicode(k, errors="replace"), @@ -220,7 +212,7 @@ class WrappedResponse: def info(self) -> Self: return self - def get_all(self, name: str, default: Any = None) -> List[str]: + def get_all(self, name: str, default: Any = None) -> list[str]: return [ to_unicode(v, errors="replace") for v in self.response.headers.getlist(name) ] diff --git a/scrapy/http/headers.py b/scrapy/http/headers.py index 85b9229d3..1dcbcb966 100644 --- a/scrapy/http/headers.py +++ b/scrapy/http/headers.py @@ -1,18 +1,7 @@ from __future__ import annotations from collections.abc import Mapping -from typing import ( - TYPE_CHECKING, - Any, - AnyStr, - Dict, - Iterable, - List, - Optional, - Tuple, - Union, - cast, -) +from typing import TYPE_CHECKING, Any, AnyStr, Optional, Union, cast from w3lib.http import headers_dict_to_raw @@ -20,6 +9,8 @@ from scrapy.utils.datatypes import CaseInsensitiveDict, CaselessDict from scrapy.utils.python import to_unicode if TYPE_CHECKING: + from collections.abc import Iterable + # typing.Self requires Python 3.11 from typing_extensions import Self @@ -34,17 +25,17 @@ class Headers(CaselessDict): def __init__( self, - seq: Union[Mapping[AnyStr, Any], Iterable[Tuple[AnyStr, Any]], None] = None, + seq: Union[Mapping[AnyStr, Any], Iterable[tuple[AnyStr, Any]], None] = None, encoding: str = "utf-8", ): self.encoding: str = encoding super().__init__(seq) def update( # type: ignore[override] - self, seq: Union[Mapping[AnyStr, Any], Iterable[Tuple[AnyStr, Any]]] + self, seq: Union[Mapping[AnyStr, Any], Iterable[tuple[AnyStr, Any]]] ) -> None: seq = seq.items() if isinstance(seq, Mapping) else seq - iseq: Dict[bytes, List[bytes]] = {} + iseq: dict[bytes, list[bytes]] = {} for k, v in seq: iseq.setdefault(self.normkey(k), []).extend(self.normvalue(v)) super().update(iseq) @@ -53,7 +44,7 @@ class Headers(CaselessDict): """Normalize key to bytes""" return self._tobytes(key.title()) - def normvalue(self, value: Union[_RawValueT, Iterable[_RawValueT]]) -> List[bytes]: + def normvalue(self, value: Union[_RawValueT, Iterable[_RawValueT]]) -> list[bytes]: """Normalize values to bytes""" _value: Iterable[_RawValueT] if value is None: @@ -78,19 +69,19 @@ class Headers(CaselessDict): def __getitem__(self, key: AnyStr) -> Optional[bytes]: try: - return cast(List[bytes], super().__getitem__(key))[-1] + return cast(list[bytes], super().__getitem__(key))[-1] except IndexError: return None def get(self, key: AnyStr, def_val: Any = None) -> Optional[bytes]: try: - return cast(List[bytes], super().get(key, def_val))[-1] + return cast(list[bytes], super().get(key, def_val))[-1] except IndexError: return None - def getlist(self, key: AnyStr, def_val: Any = None) -> List[bytes]: + def getlist(self, key: AnyStr, def_val: Any = None) -> list[bytes]: try: - return cast(List[bytes], super().__getitem__(key)) + return cast(list[bytes], super().__getitem__(key)) except KeyError: if def_val is not None: return self.normvalue(def_val) @@ -109,10 +100,10 @@ class Headers(CaselessDict): lst.extend(self.normvalue(value)) self[key] = lst - def items(self) -> Iterable[Tuple[bytes, List[bytes]]]: # type: ignore[override] + def items(self) -> Iterable[tuple[bytes, list[bytes]]]: # type: ignore[override] return ((k, self.getlist(k)) for k in self.keys()) - def values(self) -> List[Optional[bytes]]: # type: ignore[override] + def values(self) -> list[Optional[bytes]]: # type: ignore[override] return [ self[k] for k in self.keys() # pylint: disable=consider-using-dict-items ] diff --git a/scrapy/http/request/__init__.py b/scrapy/http/request/__init__.py index 9381a6cb3..aac8d3e50 100644 --- a/scrapy/http/request/__init__.py +++ b/scrapy/http/request/__init__.py @@ -12,14 +12,8 @@ from typing import ( TYPE_CHECKING, Any, AnyStr, - Dict, - Iterable, - List, - Mapping, NoReturn, Optional, - Tuple, - Type, TypedDict, TypeVar, Union, @@ -36,7 +30,7 @@ from scrapy.utils.trackref import object_ref from scrapy.utils.url import escape_ajax if TYPE_CHECKING: - from collections.abc import Callable + from collections.abc import Callable, Iterable, Mapping from twisted.python.failure import Failure @@ -57,7 +51,7 @@ class VerboseCookie(TypedDict): secure: NotRequired[bool] -CookiesT = Union[Dict[str, str], List[VerboseCookie]] +CookiesT = Union[dict[str, str], list[VerboseCookie]] RequestTypeVar = TypeVar("RequestTypeVar", bound="Request") @@ -92,7 +86,7 @@ class Request(object_ref): executed by the Downloader, thus generating a :class:`Response`. """ - attributes: Tuple[str, ...] = ( + attributes: tuple[str, ...] = ( "url", "callback", "method", @@ -120,16 +114,16 @@ class Request(object_ref): url: str, callback: Optional[CallbackT] = None, method: str = "GET", - headers: Union[Mapping[AnyStr, Any], Iterable[Tuple[AnyStr, Any]], None] = None, + headers: Union[Mapping[AnyStr, Any], Iterable[tuple[AnyStr, Any]], None] = None, body: Optional[Union[bytes, str]] = None, cookies: Optional[CookiesT] = None, - meta: Optional[Dict[str, Any]] = None, + meta: Optional[dict[str, Any]] = None, encoding: str = "utf-8", priority: int = 0, dont_filter: bool = False, errback: Optional[Callable[[Failure], Any]] = None, - flags: Optional[List[str]] = None, - cb_kwargs: Optional[Dict[str, Any]] = None, + flags: Optional[list[str]] = None, + cb_kwargs: Optional[dict[str, Any]] = None, ) -> None: self._encoding: str = encoding # this one has to be set first self.method: str = str(method).upper() @@ -152,20 +146,20 @@ class Request(object_ref): self.headers: Headers = Headers(headers or {}, encoding=encoding) self.dont_filter: bool = dont_filter - self._meta: Optional[Dict[str, Any]] = dict(meta) if meta else None - self._cb_kwargs: Optional[Dict[str, Any]] = ( + self._meta: Optional[dict[str, Any]] = dict(meta) if meta else None + self._cb_kwargs: Optional[dict[str, Any]] = ( dict(cb_kwargs) if cb_kwargs else None ) - self.flags: List[str] = [] if flags is None else list(flags) + self.flags: list[str] = [] if flags is None else list(flags) @property - def cb_kwargs(self) -> Dict[str, Any]: + def cb_kwargs(self) -> dict[str, Any]: if self._cb_kwargs is None: self._cb_kwargs = {} return self._cb_kwargs @property - def meta(self) -> Dict[str, Any]: + def meta(self) -> dict[str, Any]: if self._meta is None: self._meta = {} return self._meta @@ -207,14 +201,14 @@ class Request(object_ref): @overload def replace( - self, *args: Any, cls: Type[RequestTypeVar], **kwargs: Any + self, *args: Any, cls: type[RequestTypeVar], **kwargs: Any ) -> RequestTypeVar: ... @overload def replace(self, *args: Any, cls: None = None, **kwargs: Any) -> Self: ... def replace( - self, *args: Any, cls: Optional[Type[Request]] = None, **kwargs: Any + self, *args: Any, cls: Optional[type[Request]] = None, **kwargs: Any ) -> Request: """Create a new Request with the same attributes except for those given new values""" for x in self.attributes: @@ -261,7 +255,7 @@ class Request(object_ref): request_kwargs.update(kwargs) return cls(**request_kwargs) - def to_dict(self, *, spider: Optional[scrapy.Spider] = None) -> Dict[str, Any]: + def to_dict(self, *, spider: Optional[scrapy.Spider] = None) -> dict[str, Any]: """Return a dictionary containing the Request's data. Use :func:`~scrapy.utils.request.request_from_dict` to convert back into a :class:`~scrapy.Request` object. diff --git a/scrapy/http/request/form.py b/scrapy/http/request/form.py index a8c242e8b..d9c913672 100644 --- a/scrapy/http/request/form.py +++ b/scrapy/http/request/form.py @@ -7,17 +7,8 @@ See documentation in docs/topics/request-response.rst from __future__ import annotations -from typing import ( - TYPE_CHECKING, - Any, - Dict, - Iterable, - List, - Optional, - Tuple, - Union, - cast, -) +from collections.abc import Iterable +from typing import TYPE_CHECKING, Any, Optional, Union, cast from urllib.parse import urlencode, urljoin, urlsplit, urlunsplit from lxml.html import FormElement # nosec @@ -31,6 +22,7 @@ from scrapy.http.request import Request from scrapy.utils.python import is_listlike, to_bytes if TYPE_CHECKING: + # typing.Self requires Python 3.11 from typing_extensions import Self @@ -38,8 +30,8 @@ if TYPE_CHECKING: FormdataVType = Union[str, Iterable[str]] -FormdataKVType = Tuple[str, FormdataVType] -FormdataType = Optional[Union[Dict[str, FormdataVType], List[FormdataKVType]]] +FormdataKVType = tuple[str, FormdataVType] +FormdataType = Optional[Union[dict[str, FormdataVType], list[FormdataKVType]]] class FormRequest(Request): @@ -74,7 +66,7 @@ class FormRequest(Request): formid: Optional[str] = None, formnumber: int = 0, formdata: FormdataType = None, - clickdata: Optional[Dict[str, Union[str, int]]] = None, + clickdata: Optional[dict[str, Union[str, int]]] = None, dont_click: bool = False, formxpath: Optional[str] = None, formcss: Optional[str] = None, @@ -168,8 +160,8 @@ def _get_inputs( form: FormElement, formdata: FormdataType, dont_click: bool, - clickdata: Optional[Dict[str, Union[str, int]]], -) -> List[FormdataKVType]: + clickdata: Optional[dict[str, Union[str, int]]], +) -> list[FormdataKVType]: """Return a list of key-value pairs for the inputs found in the given form.""" try: formdata_keys = dict(formdata or ()).keys() @@ -187,7 +179,7 @@ def _get_inputs( ' not(re:test(., "^(?:checkbox|radio)$", "i")))]]', namespaces={"re": "http://exslt.org/regular-expressions"}, ) - values: List[FormdataKVType] = [ + values: list[FormdataKVType] = [ (k, "" if v is None else v) for k, v in (_value(e) for e in inputs) if k and k not in formdata_keys @@ -205,7 +197,7 @@ def _get_inputs( def _value( ele: Union[InputElement, SelectElement, TextareaElement] -) -> Tuple[Optional[str], Union[None, str, MultipleSelectOptions]]: +) -> tuple[Optional[str], Union[None, str, MultipleSelectOptions]]: n = ele.name v = ele.value if ele.tag == "select": @@ -215,7 +207,7 @@ def _value( def _select_value( ele: SelectElement, n: Optional[str], v: Union[None, str, MultipleSelectOptions] -) -> Tuple[Optional[str], Union[None, str, MultipleSelectOptions]]: +) -> tuple[Optional[str], Union[None, str, MultipleSelectOptions]]: multiple = ele.multiple if v is None and not multiple: # Match browser behaviour on simple select tag without options selected @@ -226,8 +218,8 @@ def _select_value( def _get_clickable( - clickdata: Optional[Dict[str, Union[str, int]]], form: FormElement -) -> Optional[Tuple[str, str]]: + clickdata: Optional[dict[str, Union[str, int]]], form: FormElement +) -> Optional[tuple[str, str]]: """ Returns the clickable element specified in clickdata, if the latter is given. If not, it returns the first diff --git a/scrapy/http/request/json_request.py b/scrapy/http/request/json_request.py index 057a4f897..48862534e 100644 --- a/scrapy/http/request/json_request.py +++ b/scrapy/http/request/json_request.py @@ -10,7 +10,7 @@ from __future__ import annotations import copy import json import warnings -from typing import TYPE_CHECKING, Any, Dict, Optional, Tuple, Type, overload +from typing import TYPE_CHECKING, Any, Optional, overload from scrapy.http.request import Request, RequestTypeVar @@ -20,14 +20,14 @@ if TYPE_CHECKING: class JsonRequest(Request): - attributes: Tuple[str, ...] = Request.attributes + ("dumps_kwargs",) + attributes: tuple[str, ...] = Request.attributes + ("dumps_kwargs",) def __init__( - self, *args: Any, dumps_kwargs: Optional[Dict[str, Any]] = None, **kwargs: Any + self, *args: Any, dumps_kwargs: Optional[dict[str, Any]] = None, **kwargs: Any ) -> None: dumps_kwargs = copy.deepcopy(dumps_kwargs) if dumps_kwargs is not None else {} dumps_kwargs.setdefault("sort_keys", True) - self._dumps_kwargs: Dict[str, Any] = dumps_kwargs + self._dumps_kwargs: dict[str, Any] = dumps_kwargs body_passed = kwargs.get("body", None) is not None data: Any = kwargs.pop("data", None) @@ -47,19 +47,19 @@ class JsonRequest(Request): ) @property - def dumps_kwargs(self) -> Dict[str, Any]: + def dumps_kwargs(self) -> dict[str, Any]: return self._dumps_kwargs @overload def replace( - self, *args: Any, cls: Type[RequestTypeVar], **kwargs: Any + self, *args: Any, cls: type[RequestTypeVar], **kwargs: Any ) -> RequestTypeVar: ... @overload def replace(self, *args: Any, cls: None = None, **kwargs: Any) -> Self: ... def replace( - self, *args: Any, cls: Optional[Type[Request]] = None, **kwargs: Any + self, *args: Any, cls: Optional[type[Request]] = None, **kwargs: Any ) -> Request: body_passed = kwargs.get("body", None) is not None data: Any = kwargs.pop("data", None) diff --git a/scrapy/http/response/__init__.py b/scrapy/http/response/__init__.py index 92e4852b6..c69945e2d 100644 --- a/scrapy/http/response/__init__.py +++ b/scrapy/http/response/__init__.py @@ -7,22 +7,7 @@ See documentation in docs/topics/request-response.rst from __future__ import annotations -from typing import ( - TYPE_CHECKING, - Any, - AnyStr, - Callable, - Dict, - Iterable, - List, - Mapping, - Optional, - Tuple, - Type, - TypeVar, - Union, - overload, -) +from typing import TYPE_CHECKING, Any, AnyStr, Optional, TypeVar, Union, overload from urllib.parse import urljoin from scrapy.exceptions import NotSupported @@ -32,6 +17,7 @@ from scrapy.link import Link from scrapy.utils.trackref import object_ref if TYPE_CHECKING: + from collections.abc import Callable, Iterable, Mapping from ipaddress import IPv4Address, IPv6Address from twisted.internet.ssl import Certificate @@ -52,7 +38,7 @@ class Response(object_ref): downloaded (by the Downloader) and fed to the Spiders for processing. """ - attributes: Tuple[str, ...] = ( + attributes: tuple[str, ...] = ( "url", "status", "headers", @@ -74,9 +60,9 @@ class Response(object_ref): self, url: str, status: int = 200, - headers: Union[Mapping[AnyStr, Any], Iterable[Tuple[AnyStr, Any]], None] = None, + headers: Union[Mapping[AnyStr, Any], Iterable[tuple[AnyStr, Any]], None] = None, body: bytes = b"", - flags: Optional[List[str]] = None, + flags: Optional[list[str]] = None, request: Optional[Request] = None, certificate: Optional[Certificate] = None, ip_address: Union[IPv4Address, IPv6Address, None] = None, @@ -87,13 +73,13 @@ class Response(object_ref): self._set_body(body) self._set_url(url) self.request: Optional[Request] = request - self.flags: List[str] = [] if flags is None else list(flags) + self.flags: list[str] = [] if flags is None else list(flags) self.certificate: Optional[Certificate] = certificate self.ip_address: Union[IPv4Address, IPv6Address, None] = ip_address self.protocol: Optional[str] = protocol @property - def cb_kwargs(self) -> Dict[str, Any]: + def cb_kwargs(self) -> dict[str, Any]: try: return self.request.cb_kwargs # type: ignore[union-attr] except AttributeError: @@ -103,7 +89,7 @@ class Response(object_ref): ) @property - def meta(self) -> Dict[str, Any]: + def meta(self) -> dict[str, Any]: try: return self.request.meta # type: ignore[union-attr] except AttributeError: @@ -149,14 +135,14 @@ class Response(object_ref): @overload def replace( - self, *args: Any, cls: Type[ResponseTypeVar], **kwargs: Any + self, *args: Any, cls: type[ResponseTypeVar], **kwargs: Any ) -> ResponseTypeVar: ... @overload def replace(self, *args: Any, cls: None = None, **kwargs: Any) -> Self: ... def replace( - self, *args: Any, cls: Optional[Type[Response]] = None, **kwargs: Any + self, *args: Any, cls: Optional[type[Response]] = None, **kwargs: Any ) -> Response: """Create a new Response with the same attributes except for those given new values""" for x in self.attributes: @@ -200,16 +186,16 @@ class Response(object_ref): url: Union[str, Link], callback: Optional[CallbackT] = None, method: str = "GET", - headers: Union[Mapping[AnyStr, Any], Iterable[Tuple[AnyStr, Any]], None] = None, + headers: Union[Mapping[AnyStr, Any], Iterable[tuple[AnyStr, Any]], None] = None, body: Optional[Union[bytes, str]] = None, cookies: Optional[CookiesT] = None, - meta: Optional[Dict[str, Any]] = None, + meta: Optional[dict[str, Any]] = None, encoding: Optional[str] = "utf-8", priority: int = 0, dont_filter: bool = False, errback: Optional[Callable[[Failure], Any]] = None, - cb_kwargs: Optional[Dict[str, Any]] = None, - flags: Optional[List[str]] = None, + cb_kwargs: Optional[dict[str, Any]] = None, + flags: Optional[list[str]] = None, ) -> Request: """ Return a :class:`~.Request` instance to follow a link ``url``. @@ -253,16 +239,16 @@ class Response(object_ref): urls: Iterable[Union[str, Link]], callback: Optional[CallbackT] = None, method: str = "GET", - headers: Union[Mapping[AnyStr, Any], Iterable[Tuple[AnyStr, Any]], None] = None, + headers: Union[Mapping[AnyStr, Any], Iterable[tuple[AnyStr, Any]], None] = None, body: Optional[Union[bytes, str]] = None, cookies: Optional[CookiesT] = None, - meta: Optional[Dict[str, Any]] = None, + meta: Optional[dict[str, Any]] = None, encoding: Optional[str] = "utf-8", priority: int = 0, dont_filter: bool = False, errback: Optional[Callable[[Failure], Any]] = None, - cb_kwargs: Optional[Dict[str, Any]] = None, - flags: Optional[List[str]] = None, + cb_kwargs: Optional[dict[str, Any]] = None, + flags: Optional[list[str]] = None, ) -> Iterable[Request]: """ .. versionadded:: 2.0 diff --git a/scrapy/http/response/text.py b/scrapy/http/response/text.py index 588695002..680c1f602 100644 --- a/scrapy/http/response/text.py +++ b/scrapy/http/response/text.py @@ -8,21 +8,9 @@ See documentation in docs/topics/request-response.rst from __future__ import annotations import json +from collections.abc import Iterable from contextlib import suppress -from typing import ( - TYPE_CHECKING, - Any, - AnyStr, - Callable, - Dict, - Iterable, - List, - Mapping, - Optional, - Tuple, - Union, - cast, -) +from typing import TYPE_CHECKING, Any, AnyStr, Optional, Union, cast from urllib.parse import urljoin import parsel @@ -41,6 +29,8 @@ from scrapy.utils.python import memoizemethod_noargs, to_unicode from scrapy.utils.response import get_base_url if TYPE_CHECKING: + from collections.abc import Callable, Mapping + from twisted.python.failure import Failure from scrapy.http.request import CallbackT, CookiesT, Request @@ -54,7 +44,7 @@ class TextResponse(Response): _DEFAULT_ENCODING = "ascii" _cached_decoded_json = _NONE - attributes: Tuple[str, ...] = Response.attributes + ("encoding",) + attributes: tuple[str, ...] = Response.attributes + ("encoding",) def __init__(self, *args: Any, **kwargs: Any): self._encoding: Optional[str] = kwargs.pop("encoding", None) @@ -183,16 +173,16 @@ class TextResponse(Response): url: Union[str, Link, parsel.Selector], callback: Optional[CallbackT] = None, method: str = "GET", - headers: Union[Mapping[AnyStr, Any], Iterable[Tuple[AnyStr, Any]], None] = None, + headers: Union[Mapping[AnyStr, Any], Iterable[tuple[AnyStr, Any]], None] = None, body: Optional[Union[bytes, str]] = None, cookies: Optional[CookiesT] = None, - meta: Optional[Dict[str, Any]] = None, + meta: Optional[dict[str, Any]] = None, encoding: Optional[str] = None, priority: int = 0, dont_filter: bool = False, errback: Optional[Callable[[Failure], Any]] = None, - cb_kwargs: Optional[Dict[str, Any]] = None, - flags: Optional[List[str]] = None, + cb_kwargs: Optional[dict[str, Any]] = None, + flags: Optional[list[str]] = None, ) -> Request: """ Return a :class:`~.Request` instance to follow a link ``url``. @@ -236,16 +226,16 @@ class TextResponse(Response): urls: Union[Iterable[Union[str, Link]], parsel.SelectorList, None] = None, callback: Optional[CallbackT] = None, method: str = "GET", - headers: Union[Mapping[AnyStr, Any], Iterable[Tuple[AnyStr, Any]], None] = None, + headers: Union[Mapping[AnyStr, Any], Iterable[tuple[AnyStr, Any]], None] = None, body: Optional[Union[bytes, str]] = None, cookies: Optional[CookiesT] = None, - meta: Optional[Dict[str, Any]] = None, + meta: Optional[dict[str, Any]] = None, encoding: Optional[str] = None, priority: int = 0, dont_filter: bool = False, errback: Optional[Callable[[Failure], Any]] = None, - cb_kwargs: Optional[Dict[str, Any]] = None, - flags: Optional[List[str]] = None, + cb_kwargs: Optional[dict[str, Any]] = None, + flags: Optional[list[str]] = None, css: Optional[str] = None, xpath: Optional[str] = None, ) -> Iterable[Request]: diff --git a/scrapy/item.py b/scrapy/item.py index 3f93809e7..f77002d18 100644 --- a/scrapy/item.py +++ b/scrapy/item.py @@ -7,27 +7,21 @@ See documentation in docs/topics/item.rst from __future__ import annotations from abc import ABCMeta +from collections.abc import MutableMapping from copy import deepcopy from pprint import pformat -from typing import ( - TYPE_CHECKING, - Any, - Dict, - Iterator, - KeysView, - MutableMapping, - NoReturn, - Tuple, -) +from typing import TYPE_CHECKING, Any, NoReturn from scrapy.utils.trackref import object_ref if TYPE_CHECKING: + from collections.abc import Iterator, KeysView + # typing.Self requires Python 3.11 from typing_extensions import Self -class Field(Dict[str, Any]): +class Field(dict[str, Any]): """Container of field metadata""" @@ -38,7 +32,7 @@ class ItemMeta(ABCMeta): """ def __new__( - mcs, class_name: str, bases: Tuple[type, ...], attrs: Dict[str, Any] + mcs, class_name: str, bases: tuple[type, ...], attrs: dict[str, Any] ) -> ItemMeta: classcell = attrs.pop("__classcell__", None) new_bases = tuple(base._class for base in bases if hasattr(base, "_class")) @@ -83,10 +77,10 @@ class Item(MutableMapping[str, Any], object_ref, metaclass=ItemMeta): :ref:`tracked <topics-leaks-trackrefs>` to debug memory leaks. """ - fields: Dict[str, Field] + fields: dict[str, Field] def __init__(self, *args: Any, **kwargs: Any): - self._values: Dict[str, Any] = {} + self._values: dict[str, Any] = {} if args or kwargs: # avoid creating dict for most common case for k, v in dict(*args, **kwargs).items(): self[k] = v diff --git a/scrapy/linkextractors/__init__.py b/scrapy/linkextractors/__init__.py index d59005edd..1c7e96ae0 100644 --- a/scrapy/linkextractors/__init__.py +++ b/scrapy/linkextractors/__init__.py @@ -6,8 +6,13 @@ This package contains a collection of Link Extractors. For more info see docs/topics/link-extractors.rst """ -import re -from typing import Iterable, Pattern +from __future__ import annotations + +from typing import TYPE_CHECKING + +if TYPE_CHECKING: + from collections.abc import Iterable + from re import Pattern # common file extensions that are not followed if they occur in links IGNORED_EXTENSIONS = [ diff --git a/scrapy/linkextractors/lxmlhtml.py b/scrapy/linkextractors/lxmlhtml.py index d27a132b3..73673b1c6 100644 --- a/scrapy/linkextractors/lxmlhtml.py +++ b/scrapy/linkextractors/lxmlhtml.py @@ -6,20 +6,10 @@ from __future__ import annotations import logging import operator +import re +from collections.abc import Callable, Iterable from functools import partial -from typing import ( - TYPE_CHECKING, - Any, - Callable, - Iterable, - List, - Optional, - Pattern, - Set, - Tuple, - Union, - cast, -) +from typing import TYPE_CHECKING, Any, Optional, Union, cast from urllib.parse import urljoin, urlparse from lxml import etree # nosec @@ -28,13 +18,14 @@ from w3lib.html import strip_html5_whitespace from w3lib.url import canonicalize_url, safe_url_string from scrapy.link import Link -from scrapy.linkextractors import IGNORED_EXTENSIONS, _is_valid_url, _matches, re +from scrapy.linkextractors import IGNORED_EXTENSIONS, _is_valid_url, _matches from scrapy.utils.misc import arg_to_iter, rel_has_nofollow from scrapy.utils.python import unique as unique_list from scrapy.utils.response import get_base_url from scrapy.utils.url import url_has_any_extension, url_is_from_any_domain if TYPE_CHECKING: + from lxml.html import HtmlElement # nosec from scrapy import Selector @@ -98,7 +89,7 @@ class LxmlParserLinkExtractor: def _iter_links( self, document: HtmlElement - ) -> Iterable[Tuple[HtmlElement, str, str]]: + ) -> Iterable[tuple[HtmlElement, str, str]]: for el in document.iter(etree.Element): if not self.scan_tag(_nons(el.tag)): continue @@ -114,8 +105,8 @@ class LxmlParserLinkExtractor: response_url: str, response_encoding: str, base_url: str, - ) -> List[Link]: - links: List[Link] = [] + ) -> list[Link]: + links: list[Link] = [] # hacky way to get the underlying lxml parsed document for el, attr, attr_val in self._iter_links(selector.root): # pseudo lxml.html.HtmlElement.make_links_absolute(base_url) @@ -145,26 +136,26 @@ class LxmlParserLinkExtractor: links.append(link) return self._deduplicate_if_needed(links) - def extract_links(self, response: TextResponse) -> List[Link]: + def extract_links(self, response: TextResponse) -> list[Link]: base_url = get_base_url(response) return self._extract_links( response.selector, response.url, response.encoding, base_url ) - def _process_links(self, links: List[Link]) -> List[Link]: + def _process_links(self, links: list[Link]) -> list[Link]: """Normalize and filter extracted links The subclass should override it if necessary """ return self._deduplicate_if_needed(links) - def _deduplicate_if_needed(self, links: List[Link]) -> List[Link]: + def _deduplicate_if_needed(self, links: list[Link]) -> list[Link]: if self.unique: return unique_list(links, key=self.link_key) return links -_RegexT = Union[str, Pattern[str]] +_RegexT = Union[str, re.Pattern[str]] _RegexOrSeveralT = Union[_RegexT, Iterable[_RegexT]] @@ -197,13 +188,13 @@ class LxmlLinkExtractor: strip=strip, canonicalized=not canonicalize, ) - self.allow_res: List[Pattern[str]] = self._compile_regexes(allow) - self.deny_res: List[Pattern[str]] = self._compile_regexes(deny) + self.allow_res: list[re.Pattern[str]] = self._compile_regexes(allow) + self.deny_res: list[re.Pattern[str]] = self._compile_regexes(deny) - self.allow_domains: Set[str] = set(arg_to_iter(allow_domains)) - self.deny_domains: Set[str] = set(arg_to_iter(deny_domains)) + self.allow_domains: set[str] = set(arg_to_iter(allow_domains)) + self.deny_domains: set[str] = set(arg_to_iter(deny_domains)) - self.restrict_xpaths: Tuple[str, ...] = tuple(arg_to_iter(restrict_xpaths)) + self.restrict_xpaths: tuple[str, ...] = tuple(arg_to_iter(restrict_xpaths)) self.restrict_xpaths += tuple( map(self._csstranslator.css_to_xpath, arg_to_iter(restrict_css)) ) @@ -211,11 +202,11 @@ class LxmlLinkExtractor: if deny_extensions is None: deny_extensions = IGNORED_EXTENSIONS self.canonicalize: bool = canonicalize - self.deny_extensions: Set[str] = {"." + e for e in arg_to_iter(deny_extensions)} - self.restrict_text: List[Pattern[str]] = self._compile_regexes(restrict_text) + self.deny_extensions: set[str] = {"." + e for e in arg_to_iter(deny_extensions)} + self.restrict_text: list[re.Pattern[str]] = self._compile_regexes(restrict_text) @staticmethod - def _compile_regexes(value: Optional[_RegexOrSeveralT]) -> List[Pattern[str]]: + def _compile_regexes(value: Optional[_RegexOrSeveralT]) -> list[re.Pattern[str]]: return [ x if isinstance(x, re.Pattern) else re.compile(x) for x in arg_to_iter(value) @@ -257,7 +248,7 @@ class LxmlLinkExtractor: denied = (regex.search(url) for regex in self.deny_res) if self.deny_res else [] return any(allowed) and not any(denied) - def _process_links(self, links: List[Link]) -> List[Link]: + def _process_links(self, links: list[Link]) -> list[Link]: links = [x for x in links if self._link_allowed(x)] if self.canonicalize: for link in links: @@ -265,10 +256,10 @@ class LxmlLinkExtractor: links = self.link_extractor._process_links(links) return links - def _extract_links(self, *args: Any, **kwargs: Any) -> List[Link]: + def _extract_links(self, *args: Any, **kwargs: Any) -> list[Link]: return self.link_extractor._extract_links(*args, **kwargs) - def extract_links(self, response: TextResponse) -> List[Link]: + def extract_links(self, response: TextResponse) -> list[Link]: """Returns a list of :class:`~scrapy.link.Link` objects from the specified :class:`response <scrapy.http.Response>`. diff --git a/scrapy/logformatter.py b/scrapy/logformatter.py index fea7003e5..2b838d8e2 100644 --- a/scrapy/logformatter.py +++ b/scrapy/logformatter.py @@ -2,7 +2,7 @@ from __future__ import annotations import logging import os -from typing import TYPE_CHECKING, Any, Dict, Optional, Tuple, TypedDict, Union +from typing import TYPE_CHECKING, Any, Optional, TypedDict, Union from twisted.python.failure import Failure @@ -31,7 +31,7 @@ DOWNLOADERRORMSG_LONG = "Error downloading %(request)s: %(errmsg)s" class LogFormatterResult(TypedDict): level: int msg: str - args: Union[Dict[str, Any], Tuple[Any, ...]] + args: Union[dict[str, Any], tuple[Any, ...]] class LogFormatter: @@ -181,7 +181,7 @@ class LogFormatter: .. versionadded:: 2.0 """ - args: Dict[str, Any] = {"request": request} + args: dict[str, Any] = {"request": request} if errmsg: msg = DOWNLOADERRORMSG_LONG args["errmsg"] = errmsg diff --git a/scrapy/mail.py b/scrapy/mail.py index c020732f9..f33cf2939 100644 --- a/scrapy/mail.py +++ b/scrapy/mail.py @@ -14,18 +14,7 @@ from email.mime.nonmultipart import MIMENonMultipart from email.mime.text import MIMEText from email.utils import formatdate from io import BytesIO -from typing import ( - IO, - TYPE_CHECKING, - Any, - Callable, - Dict, - List, - Optional, - Sequence, - Tuple, - Union, -) +from typing import IO, TYPE_CHECKING, Any, Optional, Union from twisted import version as twisted_version from twisted.internet import ssl @@ -36,6 +25,8 @@ from scrapy.utils.misc import arg_to_iter from scrapy.utils.python import to_bytes if TYPE_CHECKING: + from collections.abc import Callable, Sequence + # imports twisted.internet.reactor from twisted.mail.smtp import ESMTPSenderFactory from twisted.python.failure import Failure @@ -95,11 +86,11 @@ class MailSender: def send( self, - to: Union[str, List[str]], + to: Union[str, list[str]], subject: str, body: str, - cc: Union[str, List[str], None] = None, - attachs: Sequence[Tuple[str, str, IO[Any]]] = (), + cc: Union[str, list[str], None] = None, + attachs: Sequence[tuple[str, str, IO[Any]]] = (), mimetype: str = "text/plain", charset: Optional[str] = None, _callback: Optional[Callable[..., None]] = None, @@ -164,7 +155,7 @@ class MailSender: return dfd def _sent_ok( - self, result: Any, to: List[str], cc: List[str], subject: str, nattachs: int + self, result: Any, to: list[str], cc: list[str], subject: str, nattachs: int ) -> None: logger.info( "Mail sent OK: To=%(mailto)s Cc=%(mailcc)s " @@ -180,8 +171,8 @@ class MailSender: def _sent_failed( self, failure: Failure, - to: List[str], - cc: List[str], + to: list[str], + cc: list[str], subject: str, nattachs: int, ) -> Failure: @@ -200,7 +191,7 @@ class MailSender: ) return failure - def _sendmail(self, to_addrs: List[str], msg: bytes) -> Deferred[Any]: + def _sendmail(self, to_addrs: list[str], msg: bytes) -> Deferred[Any]: from twisted.internet import reactor msg_io = BytesIO(msg) @@ -218,11 +209,11 @@ class MailSender: return d def _create_sender_factory( - self, to_addrs: List[str], msg: IO[bytes], d: Deferred[Any] + self, to_addrs: list[str], msg: IO[bytes], d: Deferred[Any] ) -> ESMTPSenderFactory: from twisted.mail.smtp import ESMTPSenderFactory - factory_keywords: Dict[str, Any] = { + factory_keywords: dict[str, Any] = { "heloFallback": True, "requireAuthentication": False, "requireTransportSecurity": self.smtptls, diff --git a/scrapy/middleware.py b/scrapy/middleware.py index 2296db90e..825d6b4c8 100644 --- a/scrapy/middleware.py +++ b/scrapy/middleware.py @@ -3,26 +3,15 @@ from __future__ import annotations import logging import pprint from collections import defaultdict, deque -from typing import ( - TYPE_CHECKING, - Any, - Callable, - Deque, - Dict, - Iterable, - List, - Optional, - Tuple, - TypeVar, - Union, - cast, -) +from typing import TYPE_CHECKING, Any, Optional, TypeVar, Union, cast from scrapy.exceptions import NotConfigured from scrapy.utils.defer import process_chain, process_parallel from scrapy.utils.misc import build_from_crawler, build_from_settings, load_object if TYPE_CHECKING: + from collections.abc import Callable, Iterable + from twisted.internet.defer import Deferred # typing.Concatenate and typing.ParamSpec require Python 3.10 @@ -51,14 +40,14 @@ class MiddlewareManager: self.middlewares = middlewares # Only process_spider_output and process_spider_exception can be None. # Only process_spider_output can be a tuple, and only until _async compatibility methods are removed. - self.methods: Dict[ - str, Deque[Union[None, Callable, Tuple[Callable, Callable]]] + self.methods: dict[ + str, deque[Union[None, Callable, tuple[Callable, Callable]]] ] = defaultdict(deque) for mw in middlewares: self._add_middleware(mw) @classmethod - def _get_mwlist_from_settings(cls, settings: Settings) -> List[Any]: + def _get_mwlist_from_settings(cls, settings: Settings) -> list[Any]: raise NotImplementedError @classmethod @@ -107,7 +96,7 @@ class MiddlewareManager: def _process_parallel( self, methodname: str, obj: _T, *args: Any - ) -> Deferred[List[_T2]]: + ) -> Deferred[list[_T2]]: methods = cast( "Iterable[Callable[Concatenate[_T, _P], _T2]]", self.methods[methodname] ) @@ -119,8 +108,8 @@ class MiddlewareManager: ) return process_chain(methods, obj, *args) - def open_spider(self, spider: Spider) -> Deferred[List[None]]: + def open_spider(self, spider: Spider) -> Deferred[list[None]]: return self._process_parallel("open_spider", spider) - def close_spider(self, spider: Spider) -> Deferred[List[None]]: + def close_spider(self, spider: Spider) -> Deferred[list[None]]: return self._process_parallel("close_spider", spider) diff --git a/scrapy/pipelines/__init__.py b/scrapy/pipelines/__init__.py index 480a5a58c..01f8bd2c8 100644 --- a/scrapy/pipelines/__init__.py +++ b/scrapy/pipelines/__init__.py @@ -6,7 +6,7 @@ See documentation in docs/item-pipeline.rst from __future__ import annotations -from typing import TYPE_CHECKING, Any, List +from typing import TYPE_CHECKING, Any from scrapy.middleware import MiddlewareManager from scrapy.utils.conf import build_component_list @@ -23,7 +23,7 @@ class ItemPipelineManager(MiddlewareManager): component_name = "item pipeline" @classmethod - def _get_mwlist_from_settings(cls, settings: Settings) -> List[Any]: + def _get_mwlist_from_settings(cls, settings: Settings) -> list[Any]: return build_component_list(settings.getwithbase("ITEM_PIPELINES")) def _add_middleware(self, pipe: Any) -> None: diff --git a/scrapy/pipelines/files.py b/scrapy/pipelines/files.py index 1a13aeaf2..9314856c1 100644 --- a/scrapy/pipelines/files.py +++ b/scrapy/pipelines/files.py @@ -21,15 +21,9 @@ from typing import ( IO, TYPE_CHECKING, Any, - Callable, - DefaultDict, - Dict, - List, NoReturn, Optional, Protocol, - Set, - Type, TypedDict, Union, cast, @@ -53,6 +47,7 @@ from scrapy.utils.python import to_bytes from scrapy.utils.request import referer_str if TYPE_CHECKING: + from collections.abc import Callable from os import PathLike from twisted.python.failure import Failure @@ -104,8 +99,8 @@ class FilesStoreProtocol(Protocol): path: str, buf: BytesIO, info: MediaPipeline.SpiderInfo, - meta: Optional[Dict[str, Any]] = None, - headers: Optional[Dict[str, str]] = None, + meta: Optional[dict[str, Any]] = None, + headers: Optional[dict[str, str]] = None, ) -> Optional[Deferred[Any]]: ... def stat_file( @@ -120,7 +115,7 @@ class FSFilesStore: basedir = basedir.split("://", 1)[1] self.basedir: str = basedir self._mkdir(Path(self.basedir)) - self.created_directories: DefaultDict[MediaPipeline.SpiderInfo, Set[str]] = ( + self.created_directories: defaultdict[MediaPipeline.SpiderInfo, set[str]] = ( defaultdict(set) ) @@ -129,8 +124,8 @@ class FSFilesStore: path: Union[str, PathLike[str]], buf: BytesIO, info: MediaPipeline.SpiderInfo, - meta: Optional[Dict[str, Any]] = None, - headers: Optional[Dict[str, str]] = None, + meta: Optional[dict[str, Any]] = None, + headers: Optional[dict[str, str]] = None, ) -> None: absolute_path = self._get_filesystem_path(path) self._mkdir(absolute_path.parent, info) @@ -157,7 +152,7 @@ class FSFilesStore: def _mkdir( self, dirname: Path, domain: Optional[MediaPipeline.SpiderInfo] = None ) -> None: - seen: Set[str] = self.created_directories[domain] if domain else set() + seen: set[str] = self.created_directories[domain] if domain else set() if str(dirname) not in seen: if not dirname.exists(): dirname.mkdir(parents=True) @@ -201,7 +196,7 @@ class S3FilesStore: def stat_file( self, path: str, info: MediaPipeline.SpiderInfo ) -> Deferred[StatInfo]: - def _onsuccess(boto_key: Dict[str, Any]) -> StatInfo: + def _onsuccess(boto_key: dict[str, Any]) -> StatInfo: checksum = boto_key["ETag"].strip('"') last_modified = boto_key["LastModified"] modified_stamp = time.mktime(last_modified.timetuple()) @@ -209,10 +204,10 @@ class S3FilesStore: return self._get_boto_key(path).addCallback(_onsuccess) - def _get_boto_key(self, path: str) -> Deferred[Dict[str, Any]]: + def _get_boto_key(self, path: str) -> Deferred[dict[str, Any]]: key_name = f"{self.prefix}{path}" return cast( - "Deferred[Dict[str, Any]]", + "Deferred[dict[str, Any]]", deferToThread( self.s3_client.head_object, Bucket=self.bucket, Key=key_name # type: ignore[attr-defined] ), @@ -223,8 +218,8 @@ class S3FilesStore: path: str, buf: BytesIO, info: MediaPipeline.SpiderInfo, - meta: Optional[Dict[str, Any]] = None, - headers: Optional[Dict[str, str]] = None, + meta: Optional[dict[str, Any]] = None, + headers: Optional[dict[str, str]] = None, ) -> Deferred[Any]: """Upload file to S3 storage""" key_name = f"{self.prefix}{path}" @@ -242,7 +237,7 @@ class S3FilesStore: **extra, ) - def _headers_to_botocore_kwargs(self, headers: Dict[str, Any]) -> Dict[str, Any]: + def _headers_to_botocore_kwargs(self, headers: dict[str, Any]) -> dict[str, Any]: """Convert headers to botocore keyword arguments.""" # This is required while we need to support both boto and botocore. mapping = CaseInsensitiveDict( @@ -274,7 +269,7 @@ class S3FilesStore: "X-Amz-Website-Redirect-Location": "WebsiteRedirectLocation", } ) - extra: Dict[str, Any] = {} + extra: dict[str, Any] = {} for key, value in headers.items(): try: kwarg = mapping[key] @@ -332,7 +327,7 @@ class GCSFilesStore: deferToThread(self.bucket.get_blob, blob_path).addCallback(_onsuccess), ) - def _get_content_type(self, headers: Optional[Dict[str, str]]) -> str: + def _get_content_type(self, headers: Optional[dict[str, str]]) -> str: if headers and "Content-Type" in headers: return headers["Content-Type"] return "application/octet-stream" @@ -345,8 +340,8 @@ class GCSFilesStore: path: str, buf: BytesIO, info: MediaPipeline.SpiderInfo, - meta: Optional[Dict[str, Any]] = None, - headers: Optional[Dict[str, str]] = None, + meta: Optional[dict[str, Any]] = None, + headers: Optional[dict[str, str]] = None, ) -> Deferred[Any]: blob_path = self._get_blob_path(path) blob = self.bucket.blob(blob_path) @@ -385,8 +380,8 @@ class FTPFilesStore: path: str, buf: BytesIO, info: MediaPipeline.SpiderInfo, - meta: Optional[Dict[str, Any]] = None, - headers: Optional[Dict[str, str]] = None, + meta: Optional[dict[str, Any]] = None, + headers: Optional[dict[str, str]] = None, ) -> Deferred[Any]: path = f"{self.basedir}/{path}" return deferToThread( @@ -443,7 +438,7 @@ class FilesPipeline(MediaPipeline): MEDIA_NAME: str = "file" EXPIRES: int = 90 - STORE_SCHEMES: Dict[str, Type[FilesStoreProtocol]] = { + STORE_SCHEMES: dict[str, type[FilesStoreProtocol]] = { "": FSFilesStore, "file": FSFilesStore, "s3": S3FilesStore, @@ -457,7 +452,7 @@ class FilesPipeline(MediaPipeline): self, store_uri: Union[str, PathLike[str]], download_func: Optional[Callable[[Request, Spider], Response]] = None, - settings: Union[Settings, Dict[str, Any], None] = None, + settings: Union[Settings, dict[str, Any], None] = None, ): store_uri = _to_string(store_uri) if not store_uri: @@ -486,7 +481,7 @@ class FilesPipeline(MediaPipeline): @classmethod def from_settings(cls, settings: Settings) -> Self: - s3store: Type[S3FilesStore] = cast(Type[S3FilesStore], cls.STORE_SCHEMES["s3"]) + s3store: type[S3FilesStore] = cast(type[S3FilesStore], cls.STORE_SCHEMES["s3"]) s3store.AWS_ACCESS_KEY_ID = settings["AWS_ACCESS_KEY_ID"] s3store.AWS_SECRET_ACCESS_KEY = settings["AWS_SECRET_ACCESS_KEY"] s3store.AWS_SESSION_TOKEN = settings["AWS_SESSION_TOKEN"] @@ -496,14 +491,14 @@ class FilesPipeline(MediaPipeline): s3store.AWS_VERIFY = settings["AWS_VERIFY"] s3store.POLICY = settings["FILES_STORE_S3_ACL"] - gcs_store: Type[GCSFilesStore] = cast( - Type[GCSFilesStore], cls.STORE_SCHEMES["gs"] + gcs_store: type[GCSFilesStore] = cast( + type[GCSFilesStore], cls.STORE_SCHEMES["gs"] ) gcs_store.GCS_PROJECT_ID = settings["GCS_PROJECT_ID"] gcs_store.POLICY = settings["FILES_STORE_GCS_ACL"] or None - ftp_store: Type[FTPFilesStore] = cast( - Type[FTPFilesStore], cls.STORE_SCHEMES["ftp"] + ftp_store: type[FTPFilesStore] = cast( + type[FTPFilesStore], cls.STORE_SCHEMES["ftp"] ) ftp_store.FTP_USERNAME = settings["FTP_USER"] ftp_store.FTP_PASSWORD = settings["FTP_PASSWORD"] @@ -660,7 +655,7 @@ class FilesPipeline(MediaPipeline): # Overridable Interface def get_media_requests( self, item: Any, info: MediaPipeline.SpiderInfo - ) -> List[Request]: + ) -> list[Request]: urls = ItemAdapter(item).get(self.files_urls_field, []) return [Request(u, callback=NO_CALLBACK) for u in urls] @@ -680,7 +675,7 @@ class FilesPipeline(MediaPipeline): return checksum def item_completed( - self, results: List[FileInfoOrError], item: Any, info: MediaPipeline.SpiderInfo + self, results: list[FileInfoOrError], item: Any, info: MediaPipeline.SpiderInfo ) -> Any: with suppress(KeyError): ItemAdapter(item)[self.files_result_field] = [x for ok, x in results if ok] diff --git a/scrapy/pipelines/images.py b/scrapy/pipelines/images.py index 166f81314..f2fe4396b 100644 --- a/scrapy/pipelines/images.py +++ b/scrapy/pipelines/images.py @@ -11,19 +11,7 @@ import hashlib import warnings from contextlib import suppress from io import BytesIO -from typing import ( - TYPE_CHECKING, - Any, - Callable, - Dict, - Iterable, - List, - Optional, - Tuple, - Type, - Union, - cast, -) +from typing import TYPE_CHECKING, Any, Optional, Union, cast from itemadapter import ItemAdapter @@ -42,6 +30,7 @@ from scrapy.settings import Settings from scrapy.utils.python import get_func_args, to_bytes if TYPE_CHECKING: + from collections.abc import Callable, Iterable from os import PathLike from PIL import Image @@ -79,7 +68,7 @@ class ImagesPipeline(FilesPipeline): MIN_WIDTH: int = 0 MIN_HEIGHT: int = 0 EXPIRES: int = 90 - THUMBS: Dict[str, Tuple[int, int]] = {} + THUMBS: dict[str, tuple[int, int]] = {} DEFAULT_IMAGES_URLS_FIELD = "image_urls" DEFAULT_IMAGES_RESULT_FIELD = "images" @@ -87,7 +76,7 @@ class ImagesPipeline(FilesPipeline): self, store_uri: Union[str, PathLike[str]], download_func: Optional[Callable[[Request, Spider], Response]] = None, - settings: Union[Settings, Dict[str, Any], None] = None, + settings: Union[Settings, dict[str, Any], None] = None, ): try: from PIL import Image @@ -127,7 +116,7 @@ class ImagesPipeline(FilesPipeline): self.min_height: int = settings.getint( resolve("IMAGES_MIN_HEIGHT"), self.MIN_HEIGHT ) - self.thumbs: Dict[str, Tuple[int, int]] = settings.get( + self.thumbs: dict[str, tuple[int, int]] = settings.get( resolve("IMAGES_THUMBS"), self.THUMBS ) @@ -135,7 +124,7 @@ class ImagesPipeline(FilesPipeline): @classmethod def from_settings(cls, settings: Settings) -> Self: - s3store: Type[S3FilesStore] = cast(Type[S3FilesStore], cls.STORE_SCHEMES["s3"]) + s3store: type[S3FilesStore] = cast(type[S3FilesStore], cls.STORE_SCHEMES["s3"]) s3store.AWS_ACCESS_KEY_ID = settings["AWS_ACCESS_KEY_ID"] s3store.AWS_SECRET_ACCESS_KEY = settings["AWS_SECRET_ACCESS_KEY"] s3store.AWS_SESSION_TOKEN = settings["AWS_SESSION_TOKEN"] @@ -145,14 +134,14 @@ class ImagesPipeline(FilesPipeline): s3store.AWS_VERIFY = settings["AWS_VERIFY"] s3store.POLICY = settings["IMAGES_STORE_S3_ACL"] - gcs_store: Type[GCSFilesStore] = cast( - Type[GCSFilesStore], cls.STORE_SCHEMES["gs"] + gcs_store: type[GCSFilesStore] = cast( + type[GCSFilesStore], cls.STORE_SCHEMES["gs"] ) gcs_store.GCS_PROJECT_ID = settings["GCS_PROJECT_ID"] gcs_store.POLICY = settings["IMAGES_STORE_GCS_ACL"] or None - ftp_store: Type[FTPFilesStore] = cast( - Type[FTPFilesStore], cls.STORE_SCHEMES["ftp"] + ftp_store: type[FTPFilesStore] = cast( + type[FTPFilesStore], cls.STORE_SCHEMES["ftp"] ) ftp_store.FTP_USERNAME = settings["FTP_USER"] ftp_store.FTP_PASSWORD = settings["FTP_PASSWORD"] @@ -202,7 +191,7 @@ class ImagesPipeline(FilesPipeline): info: MediaPipeline.SpiderInfo, *, item: Any = None, - ) -> Iterable[Tuple[str, Image.Image, BytesIO]]: + ) -> Iterable[tuple[str, Image.Image, BytesIO]]: path = self.file_path(request, response=response, info=info, item=item) orig_image = self._Image.open(BytesIO(response.body)) @@ -246,9 +235,9 @@ class ImagesPipeline(FilesPipeline): def convert_image( self, image: Image.Image, - size: Optional[Tuple[int, int]] = None, + size: Optional[tuple[int, int]] = None, response_body: Optional[BytesIO] = None, - ) -> Tuple[Image.Image, BytesIO]: + ) -> tuple[Image.Image, BytesIO]: if response_body is None: warnings.warn( f"{self.__class__.__name__}.convert_image() method called in a deprecated way, " @@ -288,12 +277,12 @@ class ImagesPipeline(FilesPipeline): def get_media_requests( self, item: Any, info: MediaPipeline.SpiderInfo - ) -> List[Request]: + ) -> list[Request]: urls = ItemAdapter(item).get(self.images_urls_field, []) return [Request(u, callback=NO_CALLBACK) for u in urls] def item_completed( - self, results: List[FileInfoOrError], item: Any, info: MediaPipeline.SpiderInfo + self, results: list[FileInfoOrError], item: Any, info: MediaPipeline.SpiderInfo ) -> Any: with suppress(KeyError): ItemAdapter(item)[self.images_result_field] = [x for ok, x in results if ok] diff --git a/scrapy/pipelines/media.py b/scrapy/pipelines/media.py index 6bd3ed9b4..b30cf9264 100644 --- a/scrapy/pipelines/media.py +++ b/scrapy/pipelines/media.py @@ -7,15 +7,9 @@ from collections import defaultdict from typing import ( TYPE_CHECKING, Any, - Callable, - DefaultDict, - Dict, - List, Literal, NoReturn, Optional, - Set, - Tuple, TypedDict, TypeVar, Union, @@ -33,6 +27,8 @@ from scrapy.utils.log import failure_to_exc_info from scrapy.utils.misc import arg_to_iter if TYPE_CHECKING: + from collections.abc import Callable + # typing.Self requires Python 3.11 from typing_extensions import Self @@ -52,7 +48,7 @@ class FileInfo(TypedDict): status: str -FileInfoOrError = Union[Tuple[Literal[True], FileInfo], Tuple[Literal[False], Failure]] +FileInfoOrError = Union[tuple[Literal[True], FileInfo], tuple[Literal[False], Failure]] logger = logging.getLogger(__name__) @@ -67,16 +63,16 @@ class MediaPipeline(ABC): class SpiderInfo: def __init__(self, spider: Spider): self.spider: Spider = spider - self.downloading: Set[bytes] = set() - self.downloaded: Dict[bytes, Union[FileInfo, Failure]] = {} - self.waiting: DefaultDict[bytes, List[Deferred[FileInfo]]] = defaultdict( + self.downloading: set[bytes] = set() + self.downloaded: dict[bytes, Union[FileInfo, Failure]] = {} + self.waiting: defaultdict[bytes, list[Deferred[FileInfo]]] = defaultdict( list ) def __init__( self, download_func: Optional[Callable[[Request, Spider], Response]] = None, - settings: Union[Settings, Dict[str, Any], None] = None, + settings: Union[Settings, dict[str, Any], None] = None, ): self.download_func = download_func @@ -129,12 +125,12 @@ class MediaPipeline(ABC): def process_item( self, item: Any, spider: Spider - ) -> Deferred[List[FileInfoOrError]]: + ) -> Deferred[list[FileInfoOrError]]: info = self.spiderinfo requests = arg_to_iter(self.get_media_requests(item, info)) dlist = [self._process_request(r, info, item) for r in requests] dfd = cast( - "Deferred[List[FileInfoOrError]]", DeferredList(dlist, consumeErrors=True) + "Deferred[list[FileInfoOrError]]", DeferredList(dlist, consumeErrors=True) ) return dfd.addCallback(self.item_completed, item, info) @@ -252,7 +248,7 @@ class MediaPipeline(ABC): raise NotImplementedError() @abstractmethod - def get_media_requests(self, item: Any, info: SpiderInfo) -> List[Request]: + def get_media_requests(self, item: Any, info: SpiderInfo) -> list[Request]: """Returns the media requests to download""" raise NotImplementedError() @@ -276,7 +272,7 @@ class MediaPipeline(ABC): raise NotImplementedError() def item_completed( - self, results: List[FileInfoOrError], item: Any, info: SpiderInfo + self, results: list[FileInfoOrError], item: Any, info: SpiderInfo ) -> Any: """Called per item when all media requests has been processed""" if self.LOG_FAILED_RESULTS: diff --git a/scrapy/pqueues.py b/scrapy/pqueues.py index 58a47ef0f..e1bb21fb1 100644 --- a/scrapy/pqueues.py +++ b/scrapy/pqueues.py @@ -2,23 +2,15 @@ from __future__ import annotations import hashlib import logging -from typing import ( - TYPE_CHECKING, - Dict, - Iterable, - List, - Optional, - Protocol, - Tuple, - Type, - cast, -) +from typing import TYPE_CHECKING, Optional, Protocol, cast from scrapy import Request from scrapy.core.downloader import Downloader from scrapy.utils.misc import build_from_crawler if TYPE_CHECKING: + from collections.abc import Iterable + # typing.Self requires Python 3.11 from typing_extensions import Self @@ -87,7 +79,7 @@ class ScrapyPriorityQueue: def from_crawler( cls, crawler: Crawler, - downstream_queue_cls: Type[QueueProtocol], + downstream_queue_cls: type[QueueProtocol], key: str, startprios: Iterable[int] = (), ) -> Self: @@ -96,14 +88,14 @@ class ScrapyPriorityQueue: def __init__( self, crawler: Crawler, - downstream_queue_cls: Type[QueueProtocol], + downstream_queue_cls: type[QueueProtocol], key: str, startprios: Iterable[int] = (), ): self.crawler: Crawler = crawler - self.downstream_queue_cls: Type[QueueProtocol] = downstream_queue_cls + self.downstream_queue_cls: type[QueueProtocol] = downstream_queue_cls self.key: str = key - self.queues: Dict[int, QueueProtocol] = {} + self.queues: dict[int, QueueProtocol] = {} self.curprio: Optional[int] = None self.init_prios(startprios) @@ -160,8 +152,8 @@ class ScrapyPriorityQueue: # Protocols can't declare optional members return cast(Request, queue.peek()) # type: ignore[attr-defined] - def close(self) -> List[int]: - active: List[int] = [] + def close(self) -> list[int]: + active: list[int] = [] for p, q in self.queues.items(): active.append(p) q.close() @@ -176,7 +168,7 @@ class DownloaderInterface: assert crawler.engine self.downloader: Downloader = crawler.engine.downloader - def stats(self, possible_slots: Iterable[str]) -> List[Tuple[int, str]]: + def stats(self, possible_slots: Iterable[str]) -> list[tuple[int, str]]: return [(self._active_downloads(slot), slot) for slot in possible_slots] def get_slot_key(self, request: Request) -> str: @@ -199,18 +191,18 @@ class DownloaderAwarePriorityQueue: def from_crawler( cls, crawler: Crawler, - downstream_queue_cls: Type[QueueProtocol], + downstream_queue_cls: type[QueueProtocol], key: str, - startprios: Optional[Dict[str, Iterable[int]]] = None, + startprios: Optional[dict[str, Iterable[int]]] = None, ) -> Self: return cls(crawler, downstream_queue_cls, key, startprios) def __init__( self, crawler: Crawler, - downstream_queue_cls: Type[QueueProtocol], + downstream_queue_cls: type[QueueProtocol], key: str, - slot_startprios: Optional[Dict[str, Iterable[int]]] = None, + slot_startprios: Optional[dict[str, Iterable[int]]] = None, ): if crawler.settings.getint("CONCURRENT_REQUESTS_PER_IP") != 0: raise ValueError( @@ -229,11 +221,11 @@ class DownloaderAwarePriorityQueue: ) self._downloader_interface: DownloaderInterface = DownloaderInterface(crawler) - self.downstream_queue_cls: Type[QueueProtocol] = downstream_queue_cls + self.downstream_queue_cls: type[QueueProtocol] = downstream_queue_cls self.key: str = key self.crawler: Crawler = crawler - self.pqueues: Dict[str, ScrapyPriorityQueue] = {} # slot -> priority queue + self.pqueues: dict[str, ScrapyPriorityQueue] = {} # slot -> priority queue for slot, startprios in (slot_startprios or {}).items(): self.pqueues[slot] = self.pqfactory(slot, startprios) @@ -281,7 +273,7 @@ class DownloaderAwarePriorityQueue: queue = self.pqueues[slot] return queue.peek() - def close(self) -> Dict[str, List[int]]: + def close(self) -> dict[str, list[int]]: active = {slot: queue.close() for slot, queue in self.pqueues.items()} self.pqueues.clear() return active diff --git a/scrapy/resolver.py b/scrapy/resolver.py index d5eedf9b1..97fa74bc2 100644 --- a/scrapy/resolver.py +++ b/scrapy/resolver.py @@ -1,6 +1,6 @@ from __future__ import annotations -from typing import TYPE_CHECKING, Any, List, Optional, Sequence, Type +from typing import TYPE_CHECKING, Any, Optional from twisted.internet import defer from twisted.internet.base import ReactorBase, ThreadedResolver @@ -16,6 +16,8 @@ from zope.interface.declarations import implementer, provider from scrapy.utils.datatypes import LocalCache if TYPE_CHECKING: + from collections.abc import Sequence + from twisted.internet.defer import Deferred # typing.Self requires Python 3.11 @@ -82,7 +84,7 @@ class _CachingResolutionReceiver: def __init__(self, resolutionReceiver: IResolutionReceiver, hostName: str): self.resolutionReceiver: IResolutionReceiver = resolutionReceiver self.hostName: str = hostName - self.addresses: List[IAddress] = [] + self.addresses: list[IAddress] = [] def resolutionBegan(self, resolution: IHostResolution) -> None: self.resolutionReceiver.resolutionBegan(resolution) @@ -126,7 +128,7 @@ class CachingHostnameResolver: resolutionReceiver: IResolutionReceiver, hostName: str, portNumber: int = 0, - addressTypes: Optional[Sequence[Type[IAddress]]] = None, + addressTypes: Optional[Sequence[type[IAddress]]] = None, transportSemantics: str = "TCP", ) -> IHostResolution: try: diff --git a/scrapy/responsetypes.py b/scrapy/responsetypes.py index 702e50536..7154f2b95 100644 --- a/scrapy/responsetypes.py +++ b/scrapy/responsetypes.py @@ -3,15 +3,20 @@ This module implements a class which returns the appropriate Response class based on different criteria. """ +from __future__ import annotations + from io import StringIO from mimetypes import MimeTypes from pkgutil import get_data -from typing import Dict, Mapping, Optional, Type, Union +from typing import TYPE_CHECKING, Optional, Union from scrapy.http import Response from scrapy.utils.misc import load_object from scrapy.utils.python import binary_is_text, to_bytes, to_unicode +if TYPE_CHECKING: + from collections.abc import Mapping + class ResponseTypes: CLASSES = { @@ -32,7 +37,7 @@ class ResponseTypes: } def __init__(self) -> None: - self.classes: Dict[str, Type[Response]] = {} + self.classes: dict[str, type[Response]] = {} self.mimetypes: MimeTypes = MimeTypes() mimedata = get_data("scrapy", "mime.types") if not mimedata: @@ -43,7 +48,7 @@ class ResponseTypes: for mimetype, cls in self.CLASSES.items(): self.classes[mimetype] = load_object(cls) - def from_mimetype(self, mimetype: str) -> Type[Response]: + def from_mimetype(self, mimetype: str) -> type[Response]: """Return the most appropriate Response class for the given mimetype""" if mimetype is None: return Response @@ -54,7 +59,7 @@ class ResponseTypes: def from_content_type( self, content_type: Union[str, bytes], content_encoding: Optional[bytes] = None - ) -> Type[Response]: + ) -> type[Response]: """Return the most appropriate Response class from an HTTP Content-Type header""" if content_encoding: @@ -66,7 +71,7 @@ class ResponseTypes: def from_content_disposition( self, content_disposition: Union[str, bytes] - ) -> Type[Response]: + ) -> type[Response]: try: filename = ( to_unicode(content_disposition, encoding="latin-1", errors="replace") @@ -78,7 +83,7 @@ class ResponseTypes: except IndexError: return Response - def from_headers(self, headers: Mapping[bytes, bytes]) -> Type[Response]: + def from_headers(self, headers: Mapping[bytes, bytes]) -> type[Response]: """Return the most appropriate Response class by looking at the HTTP headers""" cls = Response @@ -91,14 +96,14 @@ class ResponseTypes: cls = self.from_content_disposition(headers[b"Content-Disposition"]) return cls - def from_filename(self, filename: str) -> Type[Response]: + def from_filename(self, filename: str) -> type[Response]: """Return the most appropriate Response class from a file name""" mimetype, encoding = self.mimetypes.guess_type(filename) if mimetype and not encoding: return self.from_mimetype(mimetype) return Response - def from_body(self, body: bytes) -> Type[Response]: + def from_body(self, body: bytes) -> type[Response]: """Try to guess the appropriate response based on the body content. This method is a bit magic and could be improved in the future, but it's not meant to be used except for special cases where response types @@ -122,7 +127,7 @@ class ResponseTypes: url: Optional[str] = None, filename: Optional[str] = None, body: Optional[bytes] = None, - ) -> Type[Response]: + ) -> type[Response]: """Guess the most appropriate Response class based on the given arguments.""" cls = Response diff --git a/scrapy/selector/unified.py b/scrapy/selector/unified.py index bfddb87cb..0a3eae409 100644 --- a/scrapy/selector/unified.py +++ b/scrapy/selector/unified.py @@ -2,7 +2,7 @@ XPath selectors based on lxml """ -from typing import Any, Optional, Type, Union +from typing import Any, Optional, Union from parsel import Selector as _ParselSelector @@ -23,7 +23,7 @@ def _st(response: Optional[TextResponse], st: Optional[str]) -> str: def _response_from_text(text: Union[str, bytes], st: Optional[str]) -> TextResponse: - rt: Type[TextResponse] = XmlResponse if st == "xml" else HtmlResponse + rt: type[TextResponse] = XmlResponse if st == "xml" else HtmlResponse return rt(url="about:blank", encoding="utf-8", body=to_bytes(text, "utf-8")) diff --git a/scrapy/settings/__init__.py b/scrapy/settings/__init__.py index 6703c569f..b7e3763fb 100644 --- a/scrapy/settings/__init__.py +++ b/scrapy/settings/__init__.py @@ -2,22 +2,10 @@ from __future__ import annotations import copy import json +from collections.abc import Iterable, Iterator, Mapping, MutableMapping from importlib import import_module from pprint import pformat -from typing import ( - TYPE_CHECKING, - Any, - Dict, - Iterable, - Iterator, - List, - Mapping, - MutableMapping, - Optional, - Tuple, - Union, - cast, -) +from typing import TYPE_CHECKING, Any, Optional, Union, cast from scrapy.settings import default_settings @@ -37,7 +25,7 @@ if TYPE_CHECKING: _SettingsInputT = Union[SupportsItems[_SettingsKeyT, Any], str, None] -SETTINGS_PRIORITIES: Dict[str, int] = { +SETTINGS_PRIORITIES: dict[str, int] = { "default": 0, "command": 10, "addon": 15, @@ -192,8 +180,8 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]): return float(self.get(name, default)) def getlist( - self, name: _SettingsKeyT, default: Optional[List[Any]] = None - ) -> List[Any]: + self, name: _SettingsKeyT, default: Optional[list[Any]] = None + ) -> list[Any]: """ Get a setting value as a list. If the setting original type is a list, a copy of it will be returned. If it's a string it will be split by ",". @@ -213,8 +201,8 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]): return list(value) def getdict( - self, name: _SettingsKeyT, default: Optional[Dict[Any, Any]] = None - ) -> Dict[Any, Any]: + self, name: _SettingsKeyT, default: Optional[dict[Any, Any]] = None + ) -> dict[Any, Any]: """ Get a setting value as a dictionary. If the setting original type is a dictionary, a copy of it will be returned. If it is a string it will be @@ -238,8 +226,8 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]): def getdictorlist( self, name: _SettingsKeyT, - default: Union[Dict[Any, Any], List[Any], Tuple[Any], None] = None, - ) -> Union[Dict[Any, Any], List[Any]]: + default: Union[dict[Any, Any], list[Any], tuple[Any], None] = None, + ) -> Union[dict[Any, Any], list[Any]]: """Get a setting value as either a :class:`dict` or a :class:`list`. If the setting is already a dict or a list, a copy of it will be @@ -412,7 +400,7 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]): """ self._assert_mutability() if isinstance(values, str): - values = cast(Dict[_SettingsKeyT, Any], json.loads(values)) + values = cast(dict[_SettingsKeyT, Any], json.loads(values)) if values is not None: if isinstance(values, BaseSettings): for name, value in values.items(): @@ -477,7 +465,7 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]): def __len__(self) -> int: return len(self.attributes) - def _to_dict(self) -> Dict[_SettingsKeyT, Any]: + def _to_dict(self) -> dict[_SettingsKeyT, Any]: return { self._get_key(k): (v._to_dict() if isinstance(v, BaseSettings) else v) for k, v in self.items() @@ -490,7 +478,7 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]): else str(key_value) ) - def copy_to_dict(self) -> Dict[_SettingsKeyT, Any]: + def copy_to_dict(self) -> dict[_SettingsKeyT, Any]: """ Make a copy of current settings and convert to a dict. @@ -553,7 +541,7 @@ class Settings(BaseSettings): self.update(values, priority) -def iter_default_settings() -> Iterable[Tuple[str, Any]]: +def iter_default_settings() -> Iterable[tuple[str, Any]]: """Return the default settings as an iterator of (name, value) tuples""" for name in dir(default_settings): if name.isupper(): @@ -562,7 +550,7 @@ def iter_default_settings() -> Iterable[Tuple[str, Any]]: def overridden_settings( settings: Mapping[_SettingsKeyT, Any] -) -> Iterable[Tuple[str, Any]]: +) -> Iterable[tuple[str, Any]]: """Return an iterable of the settings that have been overridden""" for name, defvalue in iter_default_settings(): value = settings[name] diff --git a/scrapy/shell.py b/scrapy/shell.py index b7e46274f..dc402e678 100644 --- a/scrapy/shell.py +++ b/scrapy/shell.py @@ -8,7 +8,7 @@ from __future__ import annotations import os import signal -from typing import Any, Callable, Dict, Optional, Tuple, Union +from typing import TYPE_CHECKING, Any, Optional, Union from itemadapter import is_item from twisted.internet import defer, threads @@ -27,25 +27,28 @@ from scrapy.utils.misc import load_object from scrapy.utils.reactor import is_asyncio_reactor_installed, set_asyncio_event_loop from scrapy.utils.response import open_in_browser +if TYPE_CHECKING: + from collections.abc import Callable + class Shell: - relevant_classes: Tuple[type, ...] = (Crawler, Spider, Request, Response, Settings) + relevant_classes: tuple[type, ...] = (Crawler, Spider, Request, Response, Settings) def __init__( self, crawler: Crawler, - update_vars: Optional[Callable[[Dict[str, Any]], None]] = None, + update_vars: Optional[Callable[[dict[str, Any]], None]] = None, code: Optional[str] = None, ): self.crawler: Crawler = crawler - self.update_vars: Callable[[Dict[str, Any]], None] = update_vars or ( + self.update_vars: Callable[[dict[str, Any]], None] = update_vars or ( lambda x: None ) self.item_class: type = load_object(crawler.settings["DEFAULT_ITEM_CLASS"]) self.spider: Optional[Spider] = None self.inthread: bool = not threadable.isInIOThread() self.code: Optional[str] = code - self.vars: Dict[str, Any] = {} + self.vars: dict[str, Any] = {} def start( self, diff --git a/scrapy/signalmanager.py b/scrapy/signalmanager.py index b2c6dea5d..e106418d6 100644 --- a/scrapy/signalmanager.py +++ b/scrapy/signalmanager.py @@ -1,6 +1,6 @@ from __future__ import annotations -from typing import TYPE_CHECKING, Any, List, Tuple +from typing import TYPE_CHECKING, Any from pydispatch import dispatcher @@ -40,7 +40,7 @@ class SignalManager: kwargs.setdefault("sender", self.sender) dispatcher.disconnect(receiver, signal, **kwargs) - def send_catch_log(self, signal: Any, **kwargs: Any) -> List[Tuple[Any, Any]]: + def send_catch_log(self, signal: Any, **kwargs: Any) -> list[tuple[Any, Any]]: """ Send a signal, catch exceptions and log them. @@ -52,7 +52,7 @@ class SignalManager: def send_catch_log_deferred( self, signal: Any, **kwargs: Any - ) -> Deferred[List[Tuple[Any, Any]]]: + ) -> Deferred[list[tuple[Any, Any]]]: """ Like :meth:`send_catch_log` but supports returning :class:`~twisted.internet.defer.Deferred` objects from signal handlers. diff --git a/scrapy/spiderloader.py b/scrapy/spiderloader.py index f5fd899b2..210e729a1 100644 --- a/scrapy/spiderloader.py +++ b/scrapy/spiderloader.py @@ -3,7 +3,7 @@ from __future__ import annotations import traceback import warnings from collections import defaultdict -from typing import TYPE_CHECKING, DefaultDict, Dict, List, Tuple, Type +from typing import TYPE_CHECKING from zope.interface import implementer @@ -29,10 +29,10 @@ class SpiderLoader: """ def __init__(self, settings: BaseSettings): - self.spider_modules: List[str] = settings.getlist("SPIDER_MODULES") + self.spider_modules: list[str] = settings.getlist("SPIDER_MODULES") self.warn_only: bool = settings.getbool("SPIDER_LOADER_WARN_ONLY") - self._spiders: Dict[str, Type[Spider]] = {} - self._found: DefaultDict[str, List[Tuple[str, str]]] = defaultdict(list) + self._spiders: dict[str, type[Spider]] = {} + self._found: defaultdict[str, list[tuple[str, str]]] = defaultdict(list) self._load_all_spiders() def _check_name_duplicates(self) -> None: @@ -80,7 +80,7 @@ class SpiderLoader: def from_settings(cls, settings: BaseSettings) -> Self: return cls(settings) - def load(self, spider_name: str) -> Type[Spider]: + def load(self, spider_name: str) -> type[Spider]: """ Return the Spider class for the given spider name. If the spider name is not found, raise a KeyError. @@ -90,7 +90,7 @@ class SpiderLoader: except KeyError: raise KeyError(f"Spider not found: {spider_name}") - def find_by_request(self, request: Request) -> List[str]: + def find_by_request(self, request: Request) -> list[str]: """ Return the list of spider names that can handle the given request. """ @@ -98,7 +98,7 @@ class SpiderLoader: name for name, cls in self._spiders.items() if cls.handles_request(request) ] - def list(self) -> List[str]: + def list(self) -> list[str]: """ Return a list with the names of all spiders available in the project. """ diff --git a/scrapy/spidermiddlewares/depth.py b/scrapy/spidermiddlewares/depth.py index c5b7f0749..3164c1c03 100644 --- a/scrapy/spidermiddlewares/depth.py +++ b/scrapy/spidermiddlewares/depth.py @@ -7,11 +7,13 @@ See documentation in docs/topics/spider-middleware.rst from __future__ import annotations import logging -from typing import TYPE_CHECKING, Any, AsyncIterable, Iterable +from typing import TYPE_CHECKING, Any from scrapy.http import Request, Response if TYPE_CHECKING: + from collections.abc import AsyncIterable, Iterable + # typing.Self requires Python 3.11 from typing_extensions import Self diff --git a/scrapy/spidermiddlewares/httperror.py b/scrapy/spidermiddlewares/httperror.py index ea1686c25..afab2eac2 100644 --- a/scrapy/spidermiddlewares/httperror.py +++ b/scrapy/spidermiddlewares/httperror.py @@ -7,11 +7,13 @@ See documentation in docs/topics/spider-middleware.rst from __future__ import annotations import logging -from typing import TYPE_CHECKING, Any, Iterable, List, Optional +from typing import TYPE_CHECKING, Any, Optional from scrapy.exceptions import IgnoreRequest if TYPE_CHECKING: + from collections.abc import Iterable + # typing.Self requires Python 3.11 from typing_extensions import Self @@ -39,7 +41,7 @@ class HttpErrorMiddleware: def __init__(self, settings: BaseSettings): self.handle_httpstatus_all: bool = settings.getbool("HTTPERROR_ALLOW_ALL") - self.handle_httpstatus_list: List[int] = settings.getlist( + self.handle_httpstatus_list: list[int] = settings.getlist( "HTTPERROR_ALLOWED_CODES" ) diff --git a/scrapy/spidermiddlewares/offsite.py b/scrapy/spidermiddlewares/offsite.py index 379c5d0a3..d3ed64ef5 100644 --- a/scrapy/spidermiddlewares/offsite.py +++ b/scrapy/spidermiddlewares/offsite.py @@ -9,7 +9,7 @@ from __future__ import annotations import logging import re import warnings -from typing import TYPE_CHECKING, Any, AsyncIterable, Iterable, Set +from typing import TYPE_CHECKING, Any from scrapy import Spider, signals from scrapy.exceptions import ScrapyDeprecationWarning @@ -23,6 +23,8 @@ warnings.warn( ) if TYPE_CHECKING: + from collections.abc import AsyncIterable, Iterable + # typing.Self requires Python 3.11 from typing_extensions import Self @@ -109,7 +111,7 @@ class OffsiteMiddleware: def spider_opened(self, spider: Spider) -> None: self.host_regex: re.Pattern[str] = self.get_host_regex(spider) - self.domains_seen: Set[str] = set() + self.domains_seen: set[str] = set() class URLWarning(Warning): diff --git a/scrapy/spidermiddlewares/referer.py b/scrapy/spidermiddlewares/referer.py index d35cf8f71..8784e4b05 100644 --- a/scrapy/spidermiddlewares/referer.py +++ b/scrapy/spidermiddlewares/referer.py @@ -6,18 +6,7 @@ originated it. from __future__ import annotations import warnings -from typing import ( - TYPE_CHECKING, - Any, - AsyncIterable, - Dict, - Iterable, - Optional, - Tuple, - Type, - Union, - cast, -) +from typing import TYPE_CHECKING, Any, Optional, Union, cast from urllib.parse import urlparse from w3lib.url import safe_url_string @@ -30,6 +19,8 @@ from scrapy.utils.python import to_unicode from scrapy.utils.url import strip_url if TYPE_CHECKING: + from collections.abc import AsyncIterable, Iterable + # typing.Self requires Python 3.11 from typing_extensions import Self @@ -37,7 +28,7 @@ if TYPE_CHECKING: from scrapy.settings import BaseSettings -LOCAL_SCHEMES: Tuple[str, ...] = ( +LOCAL_SCHEMES: tuple[str, ...] = ( "about", "blob", "data", @@ -56,7 +47,7 @@ POLICY_SCRAPY_DEFAULT = "scrapy-default" class ReferrerPolicy: - NOREFERRER_SCHEMES: Tuple[str, ...] = LOCAL_SCHEMES + NOREFERRER_SCHEMES: tuple[str, ...] = LOCAL_SCHEMES name: str def referrer(self, response_url: str, request_url: str) -> Optional[str]: @@ -291,11 +282,11 @@ class DefaultReferrerPolicy(NoReferrerWhenDowngradePolicy): using ``file://`` or ``s3://`` scheme. """ - NOREFERRER_SCHEMES: Tuple[str, ...] = LOCAL_SCHEMES + ("file", "s3") + NOREFERRER_SCHEMES: tuple[str, ...] = LOCAL_SCHEMES + ("file", "s3") name: str = POLICY_SCRAPY_DEFAULT -_policy_classes: Dict[str, Type[ReferrerPolicy]] = { +_policy_classes: dict[str, type[ReferrerPolicy]] = { p.name: p for p in ( NoReferrerPolicy, @@ -316,14 +307,14 @@ _policy_classes[""] = NoReferrerWhenDowngradePolicy def _load_policy_class( policy: str, warning_only: bool = False -) -> Optional[Type[ReferrerPolicy]]: +) -> Optional[type[ReferrerPolicy]]: """ Expect a string for the path to the policy class, otherwise try to interpret the string as a standard value from https://www.w3.org/TR/referrer-policy/#referrer-policies """ try: - return cast(Type[ReferrerPolicy], load_object(policy)) + return cast(type[ReferrerPolicy], load_object(policy)) except ValueError: tokens = [token.strip() for token in policy.lower().split(",")] # https://www.w3.org/TR/referrer-policy/#parse-referrer-policy-from-header @@ -341,7 +332,7 @@ def _load_policy_class( class RefererMiddleware: def __init__(self, settings: Optional[BaseSettings] = None): - self.default_policy: Type[ReferrerPolicy] = DefaultReferrerPolicy + self.default_policy: type[ReferrerPolicy] = DefaultReferrerPolicy if settings is not None: settings_policy = _load_policy_class(settings.get("REFERRER_POLICY")) assert settings_policy diff --git a/scrapy/spidermiddlewares/urllength.py b/scrapy/spidermiddlewares/urllength.py index 34df54ca7..191adb6cd 100644 --- a/scrapy/spidermiddlewares/urllength.py +++ b/scrapy/spidermiddlewares/urllength.py @@ -7,12 +7,14 @@ See documentation in docs/topics/spider-middleware.rst from __future__ import annotations import logging -from typing import TYPE_CHECKING, Any, AsyncIterable, Iterable +from typing import TYPE_CHECKING, Any from scrapy.exceptions import NotConfigured from scrapy.http import Request, Response if TYPE_CHECKING: + from collections.abc import AsyncIterable, Iterable + # typing.Self requires Python 3.11 from typing_extensions import Self diff --git a/scrapy/spiders/__init__.py b/scrapy/spiders/__init__.py index d977acd26..8220aca28 100644 --- a/scrapy/spiders/__init__.py +++ b/scrapy/spiders/__init__.py @@ -7,7 +7,7 @@ See documentation in docs/topics/spiders.rst from __future__ import annotations import logging -from typing import TYPE_CHECKING, Any, Dict, Iterable, List, Optional, cast +from typing import TYPE_CHECKING, Any, Optional, cast from scrapy import signals from scrapy.http import Request, Response @@ -15,6 +15,8 @@ from scrapy.utils.trackref import object_ref from scrapy.utils.url import url_is_from_spider if TYPE_CHECKING: + from collections.abc import Iterable + from twisted.internet.defer import Deferred # typing.Self requires Python 3.11 @@ -32,7 +34,7 @@ class Spider(object_ref): """ name: str - custom_settings: Optional[Dict[_SettingsKeyT, Any]] = None + custom_settings: Optional[dict[_SettingsKeyT, Any]] = None def __init__(self, name: Optional[str] = None, **kwargs: Any): if name is not None: @@ -41,7 +43,7 @@ class Spider(object_ref): raise ValueError(f"{type(self).__name__} must have a name") self.__dict__.update(kwargs) if not hasattr(self, "start_urls"): - self.start_urls: List[str] = [] + self.start_urls: list[str] = [] @property def logger(self) -> SpiderLoggerAdapter: diff --git a/scrapy/spiders/crawl.py b/scrapy/spiders/crawl.py index 2639f14b2..d628f49f6 100644 --- a/scrapy/spiders/crawl.py +++ b/scrapy/spiders/crawl.py @@ -1,6 +1,6 @@ """ This modules implements the CrawlSpider which is the recommended spider to use -for scraping typical web sites that requires crawling pages. +for scraping typical websites that requires crawling pages. See documentation in docs/topics/spiders.rst """ @@ -8,22 +8,8 @@ See documentation in docs/topics/spiders.rst from __future__ import annotations import copy -from typing import ( - TYPE_CHECKING, - Any, - AsyncIterable, - Awaitable, - Callable, - Dict, - Iterable, - List, - Optional, - Sequence, - Set, - TypeVar, - Union, - cast, -) +from collections.abc import AsyncIterable, Awaitable, Callable +from typing import TYPE_CHECKING, Any, Optional, TypeVar, Union, cast from twisted.python.failure import Failure @@ -35,6 +21,8 @@ from scrapy.utils.asyncgen import collect_asyncgen from scrapy.utils.spider import iterate_spider_output if TYPE_CHECKING: + from collections.abc import Iterable, Sequence + # typing.Self requires Python 3.11 from typing_extensions import Self @@ -43,7 +31,7 @@ if TYPE_CHECKING: _T = TypeVar("_T") -ProcessLinksT = Callable[[List[Link]], List[Link]] +ProcessLinksT = Callable[[list[Link]], list[Link]] ProcessRequestT = Callable[[Request, Response], Optional[Request]] @@ -75,7 +63,7 @@ class Rule: self, link_extractor: Optional[LinkExtractor] = None, callback: Union[CallbackT, str, None] = None, - cb_kwargs: Optional[Dict[str, Any]] = None, + cb_kwargs: Optional[dict[str, Any]] = None, follow: Optional[bool] = None, process_links: Union[ProcessLinksT, str, None] = None, process_request: Union[ProcessRequestT, str, None] = None, @@ -84,7 +72,7 @@ class Rule: self.link_extractor: LinkExtractor = link_extractor or _default_link_extractor self.callback: Union[CallbackT, str, None] = callback self.errback: Union[Callable[[Failure], Any], str, None] = errback - self.cb_kwargs: Dict[str, Any] = cb_kwargs or {} + self.cb_kwargs: dict[str, Any] = cb_kwargs or {} self.process_links: Union[ProcessLinksT, str] = process_links or _identity self.process_request: Union[ProcessRequestT, str] = ( process_request or _identity_process_request @@ -105,7 +93,7 @@ class Rule: class CrawlSpider(Spider): rules: Sequence[Rule] = () - _rules: List[Rule] + _rules: list[Rule] _follow_links: bool def __init__(self, *a: Any, **kw: Any): @@ -139,9 +127,9 @@ class CrawlSpider(Spider): def _requests_to_follow(self, response: Response) -> Iterable[Optional[Request]]: if not isinstance(response, HtmlResponse): return - seen: Set[Link] = set() + seen: set[Link] = set() for rule_index, rule in enumerate(self._rules): - links: List[Link] = [ + links: list[Link] = [ lnk for lnk in rule.link_extractor.extract_links(response) if lnk not in seen @@ -170,7 +158,7 @@ class CrawlSpider(Spider): self, response: Response, callback: Optional[CallbackT], - cb_kwargs: Dict[str, Any], + cb_kwargs: dict[str, Any], follow: bool = True, ) -> AsyncIterable[Any]: if callback: diff --git a/scrapy/spiders/feed.py b/scrapy/spiders/feed.py index 9dd8a5d68..0ddef1f32 100644 --- a/scrapy/spiders/feed.py +++ b/scrapy/spiders/feed.py @@ -5,7 +5,9 @@ for scraping from an XML feed. See documentation in docs/topics/spiders.rst """ -from typing import Any, Dict, Iterable, List, Optional, Sequence, Tuple +from __future__ import annotations + +from typing import TYPE_CHECKING, Any, Optional from scrapy.exceptions import NotConfigured, NotSupported from scrapy.http import Response, TextResponse @@ -14,6 +16,9 @@ from scrapy.spiders import Spider from scrapy.utils.iterators import csviter, xmliter_lxml from scrapy.utils.spider import iterate_spider_output +if TYPE_CHECKING: + from collections.abc import Iterable, Sequence + class XMLFeedSpider(Spider): """ @@ -27,7 +32,7 @@ class XMLFeedSpider(Spider): iterator: str = "iternodes" itertag: str = "item" - namespaces: Sequence[Tuple[str, str]] = () + namespaces: Sequence[tuple[str, str]] = () def process_results( self, response: Response, results: Iterable[Any] @@ -118,7 +123,7 @@ class CSVFeedSpider(Spider): quotechar: Optional[str] = ( None # When this is None, python's csv module's default quotechar is used ) - headers: Optional[List[str]] = None + headers: Optional[list[str]] = None def process_results( self, response: Response, results: Iterable[Any] @@ -130,7 +135,7 @@ class CSVFeedSpider(Spider): """This method has the same purpose as the one in XMLFeedSpider""" return response - def parse_row(self, response: Response, row: Dict[str, str]) -> Any: + def parse_row(self, response: Response, row: dict[str, str]) -> Any: """This method must be overridden with your custom spider functionality""" raise NotImplementedError diff --git a/scrapy/spiders/init.py b/scrapy/spiders/init.py index ce0f1bbaa..ebe288b83 100644 --- a/scrapy/spiders/init.py +++ b/scrapy/spiders/init.py @@ -1,6 +1,7 @@ from __future__ import annotations -from typing import TYPE_CHECKING, Any, Iterable, Optional, cast +from collections.abc import Iterable +from typing import TYPE_CHECKING, Any, Optional, cast from scrapy import Request from scrapy.spiders import Spider diff --git a/scrapy/spiders/sitemap.py b/scrapy/spiders/sitemap.py index 1542ef79c..945539d7b 100644 --- a/scrapy/spiders/sitemap.py +++ b/scrapy/spiders/sitemap.py @@ -2,18 +2,7 @@ from __future__ import annotations import logging import re -from typing import ( - TYPE_CHECKING, - Any, - Dict, - Iterable, - List, - Optional, - Sequence, - Tuple, - Union, - cast, -) +from typing import TYPE_CHECKING, Any, Optional, Union, cast from scrapy.http import Request, Response, XmlResponse from scrapy.spiders import Spider @@ -22,6 +11,8 @@ from scrapy.utils.gz import gunzip, gzip_magic_number from scrapy.utils.sitemap import Sitemap, sitemap_urls_from_robots if TYPE_CHECKING: + from collections.abc import Iterable, Sequence + # typing.Self requires Python 3.11 from typing_extensions import Self @@ -34,7 +25,7 @@ logger = logging.getLogger(__name__) class SitemapSpider(Spider): sitemap_urls: Sequence[str] = () sitemap_rules: Sequence[ - Tuple[Union[re.Pattern[str], str], Union[str, CallbackT]] + tuple[Union[re.Pattern[str], str], Union[str, CallbackT]] ] = [("", "parse")] sitemap_follow: Sequence[Union[re.Pattern[str], str]] = [""] sitemap_alternate_links: bool = False @@ -54,20 +45,20 @@ class SitemapSpider(Spider): def __init__(self, *a: Any, **kw: Any): super().__init__(*a, **kw) - self._cbs: List[Tuple[re.Pattern[str], CallbackT]] = [] + self._cbs: list[tuple[re.Pattern[str], CallbackT]] = [] for r, c in self.sitemap_rules: if isinstance(c, str): c = cast("CallbackT", getattr(self, c)) self._cbs.append((regex(r), c)) - self._follow: List[re.Pattern[str]] = [regex(x) for x in self.sitemap_follow] + self._follow: list[re.Pattern[str]] = [regex(x) for x in self.sitemap_follow] def start_requests(self) -> Iterable[Request]: for url in self.sitemap_urls: yield Request(url, self._parse_sitemap) def sitemap_filter( - self, entries: Iterable[Dict[str, Any]] - ) -> Iterable[Dict[str, Any]]: + self, entries: Iterable[dict[str, Any]] + ) -> Iterable[dict[str, Any]]: """This method can be used to filter sitemap entries by their attributes, for example, you can filter locs with lastmod greater than a given date (see docs). @@ -142,7 +133,7 @@ def regex(x: Union[re.Pattern[str], str]) -> re.Pattern[str]: return x -def iterloc(it: Iterable[Dict[str, Any]], alt: bool = False) -> Iterable[str]: +def iterloc(it: Iterable[dict[str, Any]], alt: bool = False) -> Iterable[str]: for d in it: yield d["loc"] diff --git a/scrapy/squeues.py b/scrapy/squeues.py index d3e7896c5..767a53db8 100644 --- a/scrapy/squeues.py +++ b/scrapy/squeues.py @@ -7,13 +7,14 @@ from __future__ import annotations import marshal import pickle # nosec from pathlib import Path -from typing import TYPE_CHECKING, Any, Callable, Optional, Type, Union +from typing import TYPE_CHECKING, Any, Optional, Union from queuelib import queue from scrapy.utils.request import request_from_dict if TYPE_CHECKING: + from collections.abc import Callable from os import PathLike # typing.Self requires Python 3.11 @@ -23,7 +24,7 @@ if TYPE_CHECKING: from scrapy.crawler import Crawler -def _with_mkdir(queue_class: Type[queue.BaseQueue]) -> Type[queue.BaseQueue]: +def _with_mkdir(queue_class: type[queue.BaseQueue]) -> type[queue.BaseQueue]: class DirectoriesCreated(queue_class): # type: ignore[valid-type,misc] def __init__(self, path: Union[str, PathLike], *args: Any, **kwargs: Any): dirname = Path(path).parent @@ -35,10 +36,10 @@ def _with_mkdir(queue_class: Type[queue.BaseQueue]) -> Type[queue.BaseQueue]: def _serializable_queue( - queue_class: Type[queue.BaseQueue], + queue_class: type[queue.BaseQueue], serialize: Callable[[Any], bytes], deserialize: Callable[[bytes], Any], -) -> Type[queue.BaseQueue]: +) -> type[queue.BaseQueue]: class SerializableQueue(queue_class): # type: ignore[valid-type,misc] def push(self, obj: Any) -> None: s = serialize(obj) @@ -71,8 +72,8 @@ def _serializable_queue( def _scrapy_serialization_queue( - queue_class: Type[queue.BaseQueue], -) -> Type[queue.BaseQueue]: + queue_class: type[queue.BaseQueue], +) -> type[queue.BaseQueue]: class ScrapyRequestQueue(queue_class): # type: ignore[valid-type,misc] def __init__(self, crawler: Crawler, key: str): self.spider = crawler.spider @@ -110,8 +111,8 @@ def _scrapy_serialization_queue( def _scrapy_non_serialization_queue( - queue_class: Type[queue.BaseQueue], -) -> Type[queue.BaseQueue]: + queue_class: type[queue.BaseQueue], +) -> type[queue.BaseQueue]: class ScrapyRequestQueue(queue_class): # type: ignore[valid-type,misc] @classmethod def from_crawler(cls, crawler: Crawler, *args: Any, **kwargs: Any) -> Self: diff --git a/scrapy/statscollectors.py b/scrapy/statscollectors.py index 88e72f366..63c82ec6d 100644 --- a/scrapy/statscollectors.py +++ b/scrapy/statscollectors.py @@ -6,7 +6,7 @@ from __future__ import annotations import logging import pprint -from typing import TYPE_CHECKING, Any, Dict, Optional +from typing import TYPE_CHECKING, Any, Optional if TYPE_CHECKING: from scrapy import Spider @@ -16,7 +16,7 @@ if TYPE_CHECKING: logger = logging.getLogger(__name__) -StatsT = Dict[str, Any] +StatsT = dict[str, Any] class StatsCollector: @@ -71,7 +71,7 @@ class StatsCollector: class MemoryStatsCollector(StatsCollector): def __init__(self, crawler: Crawler): super().__init__(crawler) - self.spider_stats: Dict[str, StatsT] = {} + self.spider_stats: dict[str, StatsT] = {} def _persist_stats(self, stats: StatsT, spider: Spider) -> None: self.spider_stats[spider.name] = stats diff --git a/scrapy/utils/asyncgen.py b/scrapy/utils/asyncgen.py index 67c8e1a01..f1505e4bd 100644 --- a/scrapy/utils/asyncgen.py +++ b/scrapy/utils/asyncgen.py @@ -1,9 +1,10 @@ -from typing import AsyncGenerator, AsyncIterable, Iterable, List, TypeVar, Union +from collections.abc import AsyncGenerator, AsyncIterable, Iterable +from typing import TypeVar, Union _T = TypeVar("_T") -async def collect_asyncgen(result: AsyncIterable[_T]) -> List[_T]: +async def collect_asyncgen(result: AsyncIterable[_T]) -> list[_T]: results = [] async for x in result: results.append(x) diff --git a/scrapy/utils/conf.py b/scrapy/utils/conf.py index c63b69995..463bbb5df 100644 --- a/scrapy/utils/conf.py +++ b/scrapy/utils/conf.py @@ -1,35 +1,29 @@ +from __future__ import annotations + import numbers import os import sys import warnings +from collections.abc import Iterable from configparser import ConfigParser from operator import itemgetter from pathlib import Path -from typing import ( - Any, - Callable, - Collection, - Dict, - Iterable, - List, - Mapping, - MutableMapping, - Optional, - Union, - cast, -) +from typing import TYPE_CHECKING, Any, Callable, Optional, Union, cast from scrapy.exceptions import ScrapyDeprecationWarning, UsageError from scrapy.settings import BaseSettings from scrapy.utils.deprecate import update_classpath from scrapy.utils.python import without_none_values +if TYPE_CHECKING: + from collections.abc import Collection, Mapping, MutableMapping + def build_component_list( compdict: MutableMapping[Any, Any], custom: Any = None, convert: Callable[[Any], Any] = update_classpath, -) -> List[Any]: +) -> list[Any]: """Compose a component list from a { class: order } dictionary.""" def _check_components(complist: Collection[Any]) -> None: @@ -39,7 +33,7 @@ def build_component_list( "please update your settings" ) - def _map_keys(compdict: Mapping[Any, Any]) -> Union[BaseSettings, Dict[Any, Any]]: + def _map_keys(compdict: Mapping[Any, Any]) -> Union[BaseSettings, dict[Any, Any]]: if isinstance(compdict, BaseSettings): compbs = BaseSettings() for k, v in compdict.items(): @@ -84,7 +78,7 @@ def build_component_list( return [k for k, v in sorted(compdict.items(), key=itemgetter(1))] -def arglist_to_dict(arglist: List[str]) -> Dict[str, str]: +def arglist_to_dict(arglist: list[str]) -> dict[str, str]: """Convert a list of arguments like ['arg1=val1', 'arg2=val2', ...] to a dict """ @@ -130,7 +124,7 @@ def get_config(use_closest: bool = True) -> ConfigParser: return cfg -def get_sources(use_closest: bool = True) -> List[str]: +def get_sources(use_closest: bool = True) -> list[str]: xdg_config_home = ( os.environ.get("XDG_CONFIG_HOME") or Path("~/.config").expanduser() ) @@ -146,8 +140,8 @@ def get_sources(use_closest: bool = True) -> List[str]: def feed_complete_default_values_from_settings( - feed: Dict[str, Any], settings: BaseSettings -) -> Dict[str, Any]: + feed: dict[str, Any], settings: BaseSettings +) -> dict[str, Any]: out = feed.copy() out.setdefault("batch_item_count", settings.getint("FEED_EXPORT_BATCH_ITEM_COUNT")) out.setdefault("encoding", settings["FEED_EXPORT_ENCODING"]) @@ -164,17 +158,17 @@ def feed_complete_default_values_from_settings( def feed_process_params_from_cli( settings: BaseSettings, - output: List[str], + output: list[str], output_format: Optional[str] = None, - overwrite_output: Optional[List[str]] = None, -) -> Dict[str, Dict[str, Any]]: + overwrite_output: Optional[list[str]] = None, +) -> dict[str, dict[str, Any]]: """ Receives feed export params (from the 'crawl' or 'runspider' commands), checks for inconsistencies in their quantities and returns a dictionary suitable to be used as the FEEDS setting. """ valid_output_formats: Iterable[str] = without_none_values( - cast(Dict[str, str], settings.getwithbase("FEED_EXPORTERS")) + cast(dict[str, str], settings.getwithbase("FEED_EXPORTERS")) ).keys() def check_valid_format(output_format: str) -> None: @@ -223,7 +217,7 @@ def feed_process_params_from_cli( "URIs are specified" ) - result: Dict[str, Dict[str, Any]] = {} + result: dict[str, dict[str, Any]] = {} for element in output: try: feed_uri, feed_format = element.rsplit(":", 1) diff --git a/scrapy/utils/console.py b/scrapy/utils/console.py index 328219831..3b5596ab7 100644 --- a/scrapy/utils/console.py +++ b/scrapy/utils/console.py @@ -1,12 +1,18 @@ +from __future__ import annotations + +from collections.abc import Callable from functools import wraps -from typing import Any, Callable, Dict, Iterable, Optional +from typing import TYPE_CHECKING, Any, Optional + +if TYPE_CHECKING: + from collections.abc import Iterable EmbedFuncT = Callable[..., None] -KnownShellsT = Dict[str, Callable[..., EmbedFuncT]] +KnownShellsT = dict[str, Callable[..., EmbedFuncT]] def _embed_ipython_shell( - namespace: Dict[str, Any] = {}, banner: str = "" + namespace: dict[str, Any] = {}, banner: str = "" ) -> EmbedFuncT: """Start an IPython Shell""" try: @@ -21,7 +27,7 @@ def _embed_ipython_shell( ) @wraps(_embed_ipython_shell) - def wrapper(namespace: Dict[str, Any] = namespace, banner: str = "") -> None: + def wrapper(namespace: dict[str, Any] = namespace, banner: str = "") -> None: config = load_default_config() # Always use .instance() to ensure _instance propagation to all parents # this is needed for <TAB> completion works well for new imports @@ -37,26 +43,26 @@ def _embed_ipython_shell( def _embed_bpython_shell( - namespace: Dict[str, Any] = {}, banner: str = "" + namespace: dict[str, Any] = {}, banner: str = "" ) -> EmbedFuncT: """Start a bpython shell""" import bpython @wraps(_embed_bpython_shell) - def wrapper(namespace: Dict[str, Any] = namespace, banner: str = "") -> None: + def wrapper(namespace: dict[str, Any] = namespace, banner: str = "") -> None: bpython.embed(locals_=namespace, banner=banner) return wrapper def _embed_ptpython_shell( - namespace: Dict[str, Any] = {}, banner: str = "" + namespace: dict[str, Any] = {}, banner: str = "" ) -> EmbedFuncT: """Start a ptpython shell""" import ptpython.repl @wraps(_embed_ptpython_shell) - def wrapper(namespace: Dict[str, Any] = namespace, banner: str = "") -> None: + def wrapper(namespace: dict[str, Any] = namespace, banner: str = "") -> None: print(banner) ptpython.repl.embed(locals=namespace) @@ -64,7 +70,7 @@ def _embed_ptpython_shell( def _embed_standard_shell( - namespace: Dict[str, Any] = {}, banner: str = "" + namespace: dict[str, Any] = {}, banner: str = "" ) -> EmbedFuncT: """Start a standard python shell""" import code @@ -79,7 +85,7 @@ def _embed_standard_shell( readline.parse_and_bind("tab:complete") @wraps(_embed_standard_shell) - def wrapper(namespace: Dict[str, Any] = namespace, banner: str = "") -> None: + def wrapper(namespace: dict[str, Any] = namespace, banner: str = "") -> None: code.interact(banner=banner, local=namespace) return wrapper @@ -114,7 +120,7 @@ def get_shell_embed_func( def start_python_console( - namespace: Optional[Dict[str, Any]] = None, + namespace: Optional[dict[str, Any]] = None, banner: str = "", shells: Optional[Iterable[str]] = None, ) -> None: diff --git a/scrapy/utils/curl.py b/scrapy/utils/curl.py index c10e48511..9c7f63848 100644 --- a/scrapy/utils/curl.py +++ b/scrapy/utils/curl.py @@ -1,12 +1,17 @@ +from __future__ import annotations + import argparse import warnings from http.cookies import SimpleCookie from shlex import split -from typing import Any, Dict, List, NoReturn, Optional, Sequence, Tuple, Union +from typing import TYPE_CHECKING, Any, NoReturn, Optional, Union from urllib.parse import urlparse from w3lib.http import basic_auth_header +if TYPE_CHECKING: + from collections.abc import Sequence + class DataAction(argparse.Action): def __call__( @@ -51,9 +56,9 @@ for argument in safe_to_ignore_arguments: def _parse_headers_and_cookies( parsed_args: argparse.Namespace, -) -> Tuple[List[Tuple[str, bytes]], Dict[str, str]]: - headers: List[Tuple[str, bytes]] = [] - cookies: Dict[str, str] = {} +) -> tuple[list[tuple[str, bytes]], dict[str, str]]: + headers: list[tuple[str, bytes]] = [] + cookies: dict[str, str] = {} for header in parsed_args.headers or (): name, val = header.split(":", 1) name = name.strip() @@ -73,7 +78,7 @@ def _parse_headers_and_cookies( def curl_to_request_kwargs( curl_command: str, ignore_unknown_options: bool = True -) -> Dict[str, Any]: +) -> dict[str, Any]: """Convert a cURL command syntax to Request kwargs. :param str curl_command: string containing the curl command @@ -107,7 +112,7 @@ def curl_to_request_kwargs( method = parsed_args.method or "GET" - result: Dict[str, Any] = {"method": method.upper(), "url": url} + result: dict[str, Any] = {"method": method.upper(), "url": url} headers, cookies = _parse_headers_and_cookies(parsed_args) diff --git a/scrapy/utils/datatypes.py b/scrapy/utils/datatypes.py index d06887610..c78325676 100644 --- a/scrapy/utils/datatypes.py +++ b/scrapy/utils/datatypes.py @@ -10,23 +10,15 @@ from __future__ import annotations import collections import warnings import weakref +from collections import OrderedDict from collections.abc import Mapping -from typing import ( - TYPE_CHECKING, - Any, - AnyStr, - Iterable, - Optional, - OrderedDict, - Sequence, - Tuple, - TypeVar, - Union, -) +from typing import TYPE_CHECKING, Any, AnyStr, Optional, TypeVar, Union from scrapy.exceptions import ScrapyDeprecationWarning if TYPE_CHECKING: + from collections.abc import Iterable, Sequence + # typing.Self requires Python 3.11 from typing_extensions import Self @@ -52,7 +44,7 @@ class CaselessDict(dict): def __init__( self, - seq: Union[Mapping[AnyStr, Any], Iterable[Tuple[AnyStr, Any]], None] = None, + seq: Union[Mapping[AnyStr, Any], Iterable[tuple[AnyStr, Any]], None] = None, ): super().__init__() if seq: @@ -92,7 +84,7 @@ class CaselessDict(dict): return dict.setdefault(self, self.normkey(key), self.normvalue(def_val)) # type: ignore[arg-type] # doesn't fully implement MutableMapping.update() - def update(self, seq: Union[Mapping[AnyStr, Any], Iterable[Tuple[AnyStr, Any]]]) -> None: # type: ignore[override] + def update(self, seq: Union[Mapping[AnyStr, Any], Iterable[tuple[AnyStr, Any]]]) -> None: # type: ignore[override] seq = seq.items() if isinstance(seq, Mapping) else seq iseq = ((self.normkey(k), self.normvalue(v)) for k, v in seq) super().update(iseq) diff --git a/scrapy/utils/decorators.py b/scrapy/utils/decorators.py index 2240f0b58..0f4d0beda 100644 --- a/scrapy/utils/decorators.py +++ b/scrapy/utils/decorators.py @@ -2,7 +2,7 @@ from __future__ import annotations import warnings from functools import wraps -from typing import TYPE_CHECKING, Any, Callable, TypeVar +from typing import TYPE_CHECKING, Any, TypeVar from twisted.internet.defer import Deferred, maybeDeferred from twisted.internet.threads import deferToThread @@ -10,6 +10,8 @@ from twisted.internet.threads import deferToThread from scrapy.exceptions import ScrapyDeprecationWarning if TYPE_CHECKING: + from collections.abc import Callable + # typing.ParamSpec requires Python 3.10 from typing_extensions import ParamSpec diff --git a/scrapy/utils/defer.py b/scrapy/utils/defer.py index 33ec23cec..3a0dee8f1 100644 --- a/scrapy/utils/defer.py +++ b/scrapy/utils/defer.py @@ -8,28 +8,10 @@ import asyncio import inspect import warnings from asyncio import Future +from collections.abc import Awaitable, Coroutine, Iterable, Iterator from functools import wraps from types import CoroutineType -from typing import ( - TYPE_CHECKING, - Any, - AsyncIterable, - AsyncIterator, - Awaitable, - Callable, - Coroutine, - Dict, - Generic, - Iterable, - Iterator, - List, - Optional, - Tuple, - TypeVar, - Union, - cast, - overload, -) +from typing import TYPE_CHECKING, Any, Generic, Optional, TypeVar, Union, cast, overload from twisted.internet import defer from twisted.internet.defer import Deferred, DeferredList, ensureDeferred @@ -40,6 +22,8 @@ from scrapy.exceptions import IgnoreRequest, ScrapyDeprecationWarning from scrapy.utils.reactor import _get_asyncio_event_loop, is_asyncio_reactor_installed if TYPE_CHECKING: + from collections.abc import AsyncIterable, AsyncIterator, Callable + from twisted.python.failure import Failure # typing.Concatenate and typing.ParamSpec require Python 3.10 @@ -47,6 +31,7 @@ if TYPE_CHECKING: _P = ParamSpec("_P") + _T = TypeVar("_T") _T2 = TypeVar("_T2") @@ -134,7 +119,7 @@ def parallel( callable: Callable[Concatenate[_T, _P], _T2], *args: _P.args, **named: _P.kwargs, -) -> Deferred[List[Tuple[bool, Iterator[_T2]]]]: +) -> Deferred[list[tuple[bool, Iterator[_T2]]]]: """Execute a callable over the objects in the given iterable, in parallel, using no more than ``count`` concurrent calls. @@ -145,7 +130,7 @@ def parallel( return DeferredList([coop.coiterate(work) for _ in range(count)]) -class _AsyncCooperatorAdapter(Iterator[Deferred], Generic[_T]): +class _AsyncCooperatorAdapter(Iterator, Generic[_T]): """A class that wraps an async iterable into a normal iterator suitable for using in Cooperator.coiterate(). As it's only needed for parallel_async(), it calls the callable directly in the callback, instead of providing a more @@ -200,10 +185,10 @@ class _AsyncCooperatorAdapter(Iterator[Deferred], Generic[_T]): ): self.aiterator: AsyncIterator[_T] = aiterable.__aiter__() self.callable: Callable[Concatenate[_T, _P], Optional[Deferred[Any]]] = callable - self.callable_args: Tuple[Any, ...] = callable_args - self.callable_kwargs: Dict[str, Any] = callable_kwargs + self.callable_args: tuple[Any, ...] = callable_args + self.callable_kwargs: dict[str, Any] = callable_kwargs self.finished: bool = False - self.waiting_deferreds: List[Deferred[Any]] = [] + self.waiting_deferreds: list[Deferred[Any]] = [] self.anext_deferred: Optional[Deferred[_T]] = None def _callback(self, result: _T) -> None: @@ -255,13 +240,13 @@ def parallel_async( callable: Callable[Concatenate[_T, _P], Optional[Deferred[Any]]], *args: _P.args, **named: _P.kwargs, -) -> Deferred[List[Tuple[bool, Iterator[Deferred[Any]]]]]: +) -> Deferred[list[tuple[bool, Iterator[Deferred[Any]]]]]: """Like ``parallel`` but for async iterators""" coop = Cooperator() work: Iterator[Deferred[Any]] = _AsyncCooperatorAdapter( async_iterable, callable, *args, **named ) - dl: Deferred[List[Tuple[bool, Iterator[Deferred[Any]]]]] = DeferredList( + dl: Deferred[list[tuple[bool, Iterator[Deferred[Any]]]]] = DeferredList( [coop.coiterate(work) for _ in range(count)] ) return dl @@ -311,15 +296,15 @@ def process_parallel( input: _T, *a: _P.args, **kw: _P.kwargs, -) -> Deferred[List[_T2]]: +) -> Deferred[list[_T2]]: """Return a Deferred with the output of all successful calls to the given callbacks """ dfds = [defer.succeed(input).addCallback(x, *a, **kw) for x in callbacks] - d: Deferred[List[Tuple[bool, _T2]]] = DeferredList( + d: Deferred[list[tuple[bool, _T2]]] = DeferredList( dfds, fireOnOneErrback=True, consumeErrors=True ) - d2: Deferred[List[_T2]] = d.addCallback(lambda r: [x[1] for x in r]) + d2: Deferred[list[_T2]] = d.addCallback(lambda r: [x[1] for x in r]) d2.addErrback(lambda f: f.value.subFailure) return d2 diff --git a/scrapy/utils/deprecate.py b/scrapy/utils/deprecate.py index e0f2ac763..9b0d476a1 100644 --- a/scrapy/utils/deprecate.py +++ b/scrapy/utils/deprecate.py @@ -2,7 +2,7 @@ import inspect import warnings -from typing import Any, Dict, List, Optional, Tuple, Type, overload +from typing import Any, Optional, overload from scrapy.exceptions import ScrapyDeprecationWarning @@ -20,8 +20,8 @@ def attribute(obj: Any, oldattr: str, newattr: str, version: str = "0.12") -> No def create_deprecated_class( name: str, new_class: type, - clsdict: Optional[Dict[str, Any]] = None, - warn_category: Type[Warning] = ScrapyDeprecationWarning, + clsdict: Optional[dict[str, Any]] = None, + warn_category: type[Warning] = ScrapyDeprecationWarning, warn_once: bool = True, old_class_path: Optional[str] = None, new_class_path: Optional[str] = None, @@ -59,14 +59,14 @@ def create_deprecated_class( warned_on_subclass: bool = False def __new__( - metacls, name: str, bases: Tuple[type, ...], clsdict_: Dict[str, Any] + metacls, name: str, bases: tuple[type, ...], clsdict_: dict[str, Any] ) -> type: cls = super().__new__(metacls, name, bases, clsdict_) if metacls.deprecated_class is None: metacls.deprecated_class = cls return cls - def __init__(cls, name: str, bases: Tuple[type, ...], clsdict_: Dict[str, Any]): + def __init__(cls, name: str, bases: tuple[type, ...], clsdict_: dict[str, Any]): meta = cls.__class__ old = meta.deprecated_class if old in bases and not (warn_once and meta.warned_on_subclass): @@ -134,7 +134,7 @@ def _clspath(cls: type, forced: Optional[str] = None) -> str: return f"{cls.__module__}.{cls.__name__}" -DEPRECATION_RULES: List[Tuple[str, str]] = [] +DEPRECATION_RULES: list[tuple[str, str]] = [] @overload diff --git a/scrapy/utils/engine.py b/scrapy/utils/engine.py index 770ee0b1b..1430ed8d6 100644 --- a/scrapy/utils/engine.py +++ b/scrapy/utils/engine.py @@ -4,13 +4,13 @@ from __future__ import annotations # used in global tests code from time import time # noqa: F401 -from typing import TYPE_CHECKING, Any, List, Tuple +from typing import TYPE_CHECKING, Any if TYPE_CHECKING: from scrapy.core.engine import ExecutionEngine -def get_engine_status(engine: ExecutionEngine) -> List[Tuple[str, Any]]: +def get_engine_status(engine: ExecutionEngine) -> list[tuple[str, Any]]: """Return a report of the current engine status""" tests = [ "time()-engine.start_time", @@ -29,7 +29,7 @@ def get_engine_status(engine: ExecutionEngine) -> List[Tuple[str, Any]]: "engine.scraper.slot.needs_backout()", ] - checks: List[Tuple[str, Any]] = [] + checks: list[tuple[str, Any]] = [] for test in tests: try: checks += [(test, eval(test))] # nosec diff --git a/scrapy/utils/iterators.py b/scrapy/utils/iterators.py index 41a842386..a4d339adc 100644 --- a/scrapy/utils/iterators.py +++ b/scrapy/utils/iterators.py @@ -1,19 +1,10 @@ +from __future__ import annotations + import csv import logging import re from io import StringIO -from typing import ( - Any, - Callable, - Dict, - Iterator, - List, - Literal, - Optional, - Union, - cast, - overload, -) +from typing import TYPE_CHECKING, Any, Literal, Optional, Union, cast, overload from warnings import warn from lxml import etree # nosec @@ -23,6 +14,9 @@ from scrapy.http import Response, TextResponse from scrapy.selector import Selector from scrapy.utils.python import re_rsearch +if TYPE_CHECKING: + from collections.abc import Callable, Iterator + logger = logging.getLogger(__name__) @@ -59,7 +53,7 @@ def xmliter(obj: Union[Response, str, bytes], nodename: str) -> Iterator[Selecto ) header_end_idx = re_rsearch(HEADER_END_RE, text) header_end = text[header_end_idx[1] :].strip() if header_end_idx else "" - namespaces: Dict[str, str] = {} + namespaces: dict[str, str] = {} if header_end: for tagname in reversed(re.findall(END_TAG_RE, header_end)): assert header_end_idx @@ -162,10 +156,10 @@ class _StreamReader: def csviter( obj: Union[Response, str, bytes], delimiter: Optional[str] = None, - headers: Optional[List[str]] = None, + headers: Optional[list[str]] = None, encoding: Optional[str] = None, quotechar: Optional[str] = None, -) -> Iterator[Dict[str, str]]: +) -> Iterator[dict[str, str]]: """Returns an iterator of dictionaries from the given csv object obj can be: @@ -191,7 +185,7 @@ def csviter( lines = StringIO(_body_or_str(obj, unicode=True)) - kwargs: Dict[str, Any] = {} + kwargs: dict[str, Any] = {} if delimiter: kwargs["delimiter"] = delimiter if quotechar: diff --git a/scrapy/utils/log.py b/scrapy/utils/log.py index 4a70de6b4..2b90c6b36 100644 --- a/scrapy/utils/log.py +++ b/scrapy/utils/log.py @@ -2,20 +2,10 @@ from __future__ import annotations import logging import sys +from collections.abc import MutableMapping from logging.config import dictConfig from types import TracebackType -from typing import ( - TYPE_CHECKING, - Any, - Dict, - List, - MutableMapping, - Optional, - Tuple, - Type, - Union, - cast, -) +from typing import TYPE_CHECKING, Any, Optional, Union, cast from twisted.python import log as twisted_log from twisted.python.failure import Failure @@ -25,6 +15,7 @@ from scrapy.settings import Settings, _SettingsKeyT from scrapy.utils.versions import scrapy_components_versions if TYPE_CHECKING: + from scrapy.crawler import Crawler from scrapy.logformatter import LogFormatterResult @@ -34,7 +25,7 @@ logger = logging.getLogger(__name__) def failure_to_exc_info( failure: Failure, -) -> Optional[Tuple[Type[BaseException], BaseException, Optional[TracebackType]]]: +) -> Optional[tuple[type[BaseException], BaseException, Optional[TracebackType]]]: """Extract exc_info from Failure instances""" if isinstance(failure, Failure): assert failure.type @@ -48,7 +39,7 @@ def failure_to_exc_info( class TopLevelFormatter(logging.Filter): - """Keep only top level loggers's name (direct children from root) from + """Keep only top level loggers' name (direct children from root) from records. This filter will replace Scrapy loggers' names with 'scrapy'. This mimics @@ -59,8 +50,8 @@ class TopLevelFormatter(logging.Filter): ``loggers`` list where it should act. """ - def __init__(self, loggers: Optional[List[str]] = None): - self.loggers: List[str] = loggers or [] + def __init__(self, loggers: Optional[list[str]] = None): + self.loggers: list[str] = loggers or [] def filter(self, record: logging.LogRecord) -> bool: if any(record.name.startswith(logger + ".") for logger in self.loggers): @@ -89,7 +80,7 @@ DEFAULT_LOGGING = { def configure_logging( - settings: Union[Settings, Dict[_SettingsKeyT, Any], None] = None, + settings: Union[Settings, dict[_SettingsKeyT, Any], None] = None, install_root_handler: bool = True, ) -> None: """ @@ -240,7 +231,7 @@ class LogCounterHandler(logging.Handler): def logformatter_adapter( logkws: LogFormatterResult, -) -> Tuple[int, str, Union[Dict[str, Any], Tuple[Any, ...]]]: +) -> tuple[int, str, Union[dict[str, Any], tuple[Any, ...]]]: """ Helper that takes the dictionary output from the methods in LogFormatter and adapts it into a tuple of positional arguments for logger.log calls, @@ -251,7 +242,7 @@ def logformatter_adapter( message = logkws.get("msg") or "" # NOTE: This also handles 'args' being an empty dict, that case doesn't # play well in logger.log calls - args = cast(Dict[str, Any], logkws) if not logkws.get("args") else logkws["args"] + args = cast(dict[str, Any], logkws) if not logkws.get("args") else logkws["args"] return (level, message, args) @@ -259,7 +250,7 @@ def logformatter_adapter( class SpiderLoggerAdapter(logging.LoggerAdapter): def process( self, msg: str, kwargs: MutableMapping[str, Any] - ) -> Tuple[str, MutableMapping[str, Any]]: + ) -> tuple[str, MutableMapping[str, Any]]: """Method that augments logging with additional 'extra' data""" if isinstance(kwargs.get("extra"), MutableMapping): kwargs["extra"].update(self.extra) diff --git a/scrapy/utils/misc.py b/scrapy/utils/misc.py index 3c787e50f..e5e00512a 100644 --- a/scrapy/utils/misc.py +++ b/scrapy/utils/misc.py @@ -9,31 +9,19 @@ import os import re import warnings from collections import deque +from collections.abc import Iterable from contextlib import contextmanager from functools import partial from importlib import import_module from pkgutil import iter_modules -from typing import ( - IO, - TYPE_CHECKING, - Any, - Callable, - Deque, - Iterable, - Iterator, - List, - Optional, - Type, - TypeVar, - Union, - cast, -) +from typing import IO, TYPE_CHECKING, Any, Optional, TypeVar, Union, cast from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.item import Item from scrapy.utils.datatypes import LocalWeakReferencedCache if TYPE_CHECKING: + from collections.abc import Callable, Iterator from types import ModuleType from scrapy import Spider @@ -91,7 +79,7 @@ def load_object(path: Union[str, Callable[..., Any]]) -> Any: return obj -def walk_modules(path: str) -> List[ModuleType]: +def walk_modules(path: str) -> list[ModuleType]: """Loads a module and all its submodules from the given module path and returns them. If *any* module throws an exception while importing, that exception is thrown back. @@ -99,7 +87,7 @@ def walk_modules(path: str) -> List[ModuleType]: For example: walk_modules('scrapy.utils') """ - mods: List[ModuleType] = [] + mods: list[ModuleType] = [] mod = import_module(path) mods.append(mod) if hasattr(mod, "__path__"): @@ -186,7 +174,7 @@ def create_instance(objcls, settings, crawler, *args, **kwargs): def build_from_crawler( - objcls: Type[T], crawler: Crawler, /, *args: Any, **kwargs: Any + objcls: type[T], crawler: Crawler, /, *args: Any, **kwargs: Any ) -> T: """Construct a class instance using its ``from_crawler`` constructor. @@ -209,7 +197,7 @@ def build_from_crawler( def build_from_settings( - objcls: Type[T], settings: BaseSettings, /, *args: Any, **kwargs: Any + objcls: type[T], settings: BaseSettings, /, *args: Any, **kwargs: Any ) -> T: """Construct a class instance using its ``from_settings`` constructor. @@ -250,7 +238,7 @@ def walk_callable(node: ast.AST) -> Iterable[ast.AST]: """Similar to ``ast.walk``, but walks only function body and skips nested functions defined within the node. """ - todo: Deque[ast.AST] = deque([node]) + todo: deque[ast.AST] = deque([node]) walked_func_def = False while todo: node = todo.popleft() diff --git a/scrapy/utils/ossignal.py b/scrapy/utils/ossignal.py index 5985a847e..cff5eb629 100644 --- a/scrapy/utils/ossignal.py +++ b/scrapy/utils/ossignal.py @@ -1,13 +1,14 @@ import signal +from collections.abc import Callable from types import FrameType -from typing import Any, Callable, Dict, Optional, Union +from typing import Any, Optional, Union # copy of _HANDLER from typeshed/stdlib/signal.pyi SignalHandlerT = Union[ Callable[[int, Optional[FrameType]], Any], int, signal.Handlers, None ] -signal_names: Dict[int, str] = {} +signal_names: dict[int, str] = {} for signame in dir(signal): if signame.startswith("SIG") and not signame.startswith("SIG_"): signum = getattr(signal, signame) diff --git a/scrapy/utils/project.py b/scrapy/utils/project.py index efb6af299..c9e5eb857 100644 --- a/scrapy/utils/project.py +++ b/scrapy/utils/project.py @@ -1,5 +1,3 @@ -from __future__ import annotations - import os import warnings from importlib import import_module diff --git a/scrapy/utils/python.py b/scrapy/utils/python.py index f56950fdd..91c5d67f5 100644 --- a/scrapy/utils/python.py +++ b/scrapy/utils/python.py @@ -4,36 +4,22 @@ This module contains essential stuff that should've come with Python itself ;) from __future__ import annotations -import collections.abc import gc import inspect import re import sys import weakref +from collections.abc import AsyncIterable, Iterable, Mapping from functools import partial, wraps from itertools import chain -from typing import ( - TYPE_CHECKING, - Any, - AsyncIterable, - AsyncIterator, - Callable, - Dict, - Iterable, - Iterator, - List, - Mapping, - Optional, - Pattern, - Tuple, - TypeVar, - Union, - overload, -) +from typing import TYPE_CHECKING, Any, Optional, TypeVar, Union, overload from scrapy.utils.asyncgen import as_async_generator if TYPE_CHECKING: + from collections.abc import AsyncIterator, Callable, Iterator + from re import Pattern + # typing.Concatenate and typing.ParamSpec require Python 3.10 from typing_extensions import Concatenate, ParamSpec @@ -44,7 +30,7 @@ _KT = TypeVar("_KT") _VT = TypeVar("_VT") -def flatten(x: Iterable[Any]) -> List[Any]: +def flatten(x: Iterable[Any]) -> list[Any]: """flatten(sequence) -> list Returns a single, flat list which contains all elements retrieved @@ -99,10 +85,10 @@ def is_listlike(x: Any) -> bool: return hasattr(x, "__iter__") and not isinstance(x, (str, bytes)) -def unique(list_: Iterable[_T], key: Callable[[_T], Any] = lambda x: x) -> List[_T]: +def unique(list_: Iterable[_T], key: Callable[[_T], Any] = lambda x: x) -> list[_T]: """efficient function to uniquify a list preserving item order""" seen = set() - result: List[_T] = [] + result: list[_T] = [] for item in list_: seenkey = key(item) if seenkey in seen: @@ -147,7 +133,7 @@ def to_bytes( def re_rsearch( pattern: Union[str, Pattern[str]], text: str, chunk_size: int = 1024 -) -> Optional[Tuple[int, int]]: +) -> Optional[tuple[int, int]]: """ This function does a reverse search in a text using a regular expression given in the attribute 'pattern'. @@ -161,7 +147,7 @@ def re_rsearch( the start position of the match, and the ending (regarding the entire text). """ - def _chunk_iter() -> Iterable[Tuple[str, int]]: + def _chunk_iter() -> Iterable[tuple[str, int]]: offset = len(text) while True: offset -= chunk_size * 1024 @@ -215,12 +201,12 @@ def binary_is_text(data: bytes) -> bool: return all(c not in _BINARYCHARS for c in data) -def get_func_args(func: Callable[..., Any], stripself: bool = False) -> List[str]: +def get_func_args(func: Callable[..., Any], stripself: bool = False) -> list[str]: """Return the argument name list of a callable object""" if not callable(func): raise TypeError(f"func must be callable, got '{type(func).__name__}'") - args: List[str] = [] + args: list[str] = [] try: sig = inspect.signature(func) except ValueError: @@ -245,7 +231,7 @@ def get_func_args(func: Callable[..., Any], stripself: bool = False) -> List[str return args -def get_spec(func: Callable[..., Any]) -> Tuple[List[str], Dict[str, Any]]: +def get_spec(func: Callable[..., Any]) -> tuple[list[str], dict[str, Any]]: """Returns (args, kwargs) tuple for a function >>> import re >>> get_spec(re.match) @@ -274,7 +260,7 @@ def get_spec(func: Callable[..., Any]) -> Tuple[List[str], Dict[str, Any]]: else: raise TypeError(f"{type(func)} is not callable") - defaults: Tuple[Any, ...] = spec.defaults or () + defaults: tuple[Any, ...] = spec.defaults or () firstdefault = len(spec.args) - len(defaults) args = spec.args[:firstdefault] @@ -283,7 +269,7 @@ def get_spec(func: Callable[..., Any]) -> Tuple[List[str], Dict[str, Any]]: def equal_attributes( - obj1: Any, obj2: Any, attributes: Optional[List[Union[str, Callable[[Any], Any]]]] + obj1: Any, obj2: Any, attributes: Optional[list[Union[str, Callable[[Any], Any]]]] ) -> bool: """Compare two objects attributes""" # not attributes given return False by default @@ -303,7 +289,7 @@ def equal_attributes( @overload -def without_none_values(iterable: Mapping[_KT, _VT]) -> Dict[_KT, _VT]: ... +def without_none_values(iterable: Mapping[_KT, _VT]) -> dict[_KT, _VT]: ... @overload @@ -312,13 +298,13 @@ def without_none_values(iterable: Iterable[_KT]) -> Iterable[_KT]: ... def without_none_values( iterable: Union[Mapping[_KT, _VT], Iterable[_KT]] -) -> Union[Dict[_KT, _VT], Iterable[_KT]]: +) -> Union[dict[_KT, _VT], Iterable[_KT]]: """Return a copy of ``iterable`` with all ``None`` entries removed. If ``iterable`` is a mapping, return a dictionary where all pairs that have value ``None`` have been removed. """ - if isinstance(iterable, collections.abc.Mapping): + if isinstance(iterable, Mapping): return {k: v for k, v in iterable.items() if v is not None} else: # the iterable __init__ must take another iterable diff --git a/scrapy/utils/reactor.py b/scrapy/utils/reactor.py index a627db601..ed2fb5959 100644 --- a/scrapy/utils/reactor.py +++ b/scrapy/utils/reactor.py @@ -3,18 +3,7 @@ from __future__ import annotations import asyncio import sys from contextlib import suppress -from typing import ( - TYPE_CHECKING, - Any, - Callable, - Dict, - Generic, - List, - Optional, - Tuple, - Type, - TypeVar, -) +from typing import TYPE_CHECKING, Any, Generic, Optional, TypeVar from warnings import catch_warnings, filterwarnings, warn from twisted.internet import asyncioreactor, error @@ -25,6 +14,7 @@ from scrapy.utils.misc import load_object if TYPE_CHECKING: from asyncio import AbstractEventLoop, AbstractEventLoopPolicy + from collections.abc import Callable from twisted.internet.protocol import ServerFactory from twisted.internet.tcp import Port @@ -37,7 +27,7 @@ if TYPE_CHECKING: _T = TypeVar("_T") -def listen_tcp(portrange: List[int], host: str, factory: ServerFactory) -> Port: # type: ignore[return] +def listen_tcp(portrange: list[int], host: str, factory: ServerFactory) -> Port: # type: ignore[return] """Like reactor.listenTCP but tries different ports in a range.""" from twisted.internet import reactor @@ -62,8 +52,8 @@ class CallLaterOnce(Generic[_T]): def __init__(self, func: Callable[_P, _T], *a: _P.args, **kw: _P.kwargs): self._func: Callable[_P, _T] = func - self._a: Tuple[Any, ...] = a - self._kw: Dict[str, Any] = kw + self._a: tuple[Any, ...] = a + self._kw: dict[str, Any] = kw self._call: Optional[DelayedCall] = None def schedule(self, delay: float = 0) -> None: @@ -142,7 +132,7 @@ def _get_asyncio_event_loop() -> AbstractEventLoop: def set_asyncio_event_loop(event_loop_path: Optional[str]) -> AbstractEventLoop: """Sets and returns the event loop with specified import path.""" if event_loop_path is not None: - event_loop_class: Type[AbstractEventLoop] = load_object(event_loop_path) + event_loop_class: type[AbstractEventLoop] = load_object(event_loop_path) event_loop = event_loop_class() asyncio.set_event_loop(event_loop) else: diff --git a/scrapy/utils/request.py b/scrapy/utils/request.py index 99ca3b7a0..052a3721a 100644 --- a/scrapy/utils/request.py +++ b/scrapy/utils/request.py @@ -8,18 +8,7 @@ from __future__ import annotations import hashlib import json import warnings -from typing import ( - TYPE_CHECKING, - Any, - Dict, - Iterable, - List, - Optional, - Protocol, - Tuple, - Type, - Union, -) +from typing import TYPE_CHECKING, Any, Optional, Protocol, Union from urllib.parse import urlunparse from weakref import WeakKeyDictionary @@ -33,6 +22,8 @@ from scrapy.utils.misc import load_object from scrapy.utils.python import to_bytes, to_unicode if TYPE_CHECKING: + from collections.abc import Iterable + # typing.Self requires Python 3.11 from typing_extensions import Self @@ -47,7 +38,7 @@ def _serialize_headers(headers: Iterable[bytes], request: Request) -> Iterable[b _fingerprint_cache: WeakKeyDictionary[ - Request, Dict[Tuple[Optional[Tuple[bytes, ...]], bool], bytes] + Request, dict[tuple[Optional[tuple[bytes, ...]], bool], bytes] ] _fingerprint_cache = WeakKeyDictionary() @@ -88,7 +79,7 @@ def fingerprint( If you want to include them, set the keep_fragments argument to True (for instance when handling requests with a headless browser). """ - processed_include_headers: Optional[Tuple[bytes, ...]] = None + processed_include_headers: Optional[tuple[bytes, ...]] = None if include_headers: processed_include_headers = tuple( to_bytes(h.lower()) for h in sorted(include_headers) @@ -98,7 +89,7 @@ def fingerprint( if cache_key not in cache: # To decode bytes reliably (JSON does not support bytes), regardless of # character encoding, we use bytes.hex() - headers: Dict[str, List[str]] = {} + headers: dict[str, list[str]] = {} if processed_include_headers: for header in processed_include_headers: if header in request.headers: @@ -194,13 +185,13 @@ def referer_str(request: Request) -> Optional[str]: return to_unicode(referrer, errors="replace") -def request_from_dict(d: Dict[str, Any], *, spider: Optional[Spider] = None) -> Request: +def request_from_dict(d: dict[str, Any], *, spider: Optional[Spider] = None) -> Request: """Create a :class:`~scrapy.Request` object from a dict. If a spider is given, it will try to resolve the callbacks looking at the spider for methods with the same name. """ - request_cls: Type[Request] = load_object(d["_class"]) if "_class" in d else Request + request_cls: type[Request] = load_object(d["_class"]) if "_class" in d else Request kwargs = {key: value for key, value in d.items() if key in request_cls.attributes} if d.get("callback") and spider: kwargs["callback"] = _get_method(spider, d["callback"]) diff --git a/scrapy/utils/response.py b/scrapy/utils/response.py index 320059b3a..0ca9d07a4 100644 --- a/scrapy/utils/response.py +++ b/scrapy/utils/response.py @@ -9,7 +9,7 @@ import os import re import tempfile import webbrowser -from typing import TYPE_CHECKING, Any, Callable, Iterable, Tuple, Union +from typing import TYPE_CHECKING, Any, Union from weakref import WeakKeyDictionary from twisted.web import http @@ -18,6 +18,8 @@ from w3lib import html from scrapy.utils.python import to_bytes, to_unicode if TYPE_CHECKING: + from collections.abc import Callable, Iterable + from scrapy.http import Response, TextResponse _baseurl_cache: WeakKeyDictionary[Response, str] = WeakKeyDictionary() @@ -34,14 +36,14 @@ def get_base_url(response: TextResponse) -> str: _metaref_cache: WeakKeyDictionary[ - Response, Union[Tuple[None, None], Tuple[float, str]] + Response, Union[tuple[None, None], tuple[float, str]] ] = WeakKeyDictionary() def get_meta_refresh( response: TextResponse, ignore_tags: Iterable[str] = ("script", "noscript"), -) -> Union[Tuple[None, None], Tuple[float, str]]: +) -> Union[tuple[None, None], tuple[float, str]]: """Parse the http-equiv refresh parameter from the given response""" if response not in _metaref_cache: text = response.text[0:4096] diff --git a/scrapy/utils/signal.py b/scrapy/utils/signal.py index 4310c1d56..c1d3bfffb 100644 --- a/scrapy/utils/signal.py +++ b/scrapy/utils/signal.py @@ -2,10 +2,9 @@ from __future__ import annotations -import collections.abc import logging +from collections.abc import Sequence from typing import Any as TypingAny -from typing import List, Tuple from pydispatch.dispatcher import ( Anonymous, @@ -30,19 +29,15 @@ def send_catch_log( sender: TypingAny = Anonymous, *arguments: TypingAny, **named: TypingAny, -) -> List[Tuple[TypingAny, TypingAny]]: +) -> list[tuple[TypingAny, TypingAny]]: """Like pydispatcher.robust.sendRobust but it also logs errors and returns Failures instead of exceptions. """ dont_log = named.pop("dont_log", ()) - dont_log = ( - tuple(dont_log) - if isinstance(dont_log, collections.abc.Sequence) - else (dont_log,) - ) + dont_log = tuple(dont_log) if isinstance(dont_log, Sequence) else (dont_log,) dont_log += (StopDownload,) spider = named.get("spider", None) - responses: List[Tuple[TypingAny, TypingAny]] = [] + responses: list[tuple[TypingAny, TypingAny]] = [] for receiver in liveReceivers(getAllReceivers(sender, signal)): result: TypingAny try: @@ -76,7 +71,7 @@ def send_catch_log_deferred( sender: TypingAny = Anonymous, *arguments: TypingAny, **named: TypingAny, -) -> Deferred[List[Tuple[TypingAny, TypingAny]]]: +) -> Deferred[list[tuple[TypingAny, TypingAny]]]: """Like send_catch_log but supports returning deferreds on signal handlers. Returns a deferred that gets fired once all signal handlers deferreds were fired. @@ -94,14 +89,14 @@ def send_catch_log_deferred( dont_log = named.pop("dont_log", None) spider = named.get("spider", None) - dfds: List[Deferred[Tuple[TypingAny, TypingAny]]] = [] + dfds: list[Deferred[tuple[TypingAny, TypingAny]]] = [] for receiver in liveReceivers(getAllReceivers(sender, signal)): d: Deferred[TypingAny] = maybeDeferred_coro( robustApply, receiver, signal=signal, sender=sender, *arguments, **named ) d.addErrback(logerror, receiver) # TODO https://pylint.readthedocs.io/en/latest/user_guide/messages/warning/cell-var-from-loop.html - d2: Deferred[Tuple[TypingAny, TypingAny]] = d.addBoth( + d2: Deferred[tuple[TypingAny, TypingAny]] = d.addBoth( lambda result: ( receiver, # pylint: disable=cell-var-from-loop # noqa: B023 result, @@ -109,7 +104,7 @@ def send_catch_log_deferred( ) dfds.append(d2) dl = DeferredList(dfds) - d3: Deferred[List[Tuple[TypingAny, TypingAny]]] = dl.addCallback( + d3: Deferred[list[tuple[TypingAny, TypingAny]]] = dl.addCallback( lambda out: [x[1] for x in out] ) return d3 diff --git a/scrapy/utils/sitemap.py b/scrapy/utils/sitemap.py index 7a91afe59..1f70fcf69 100644 --- a/scrapy/utils/sitemap.py +++ b/scrapy/utils/sitemap.py @@ -5,11 +5,16 @@ Note: The main purpose of this module is to provide support for the SitemapSpider, its API is subject to change without notice. """ -from typing import Any, Dict, Iterable, Iterator, Optional, Union +from __future__ import annotations + +from typing import TYPE_CHECKING, Any, Optional, Union from urllib.parse import urljoin import lxml.etree # nosec +if TYPE_CHECKING: + from collections.abc import Iterable, Iterator + class Sitemap: """Class to parse Sitemap (type=urlset) and Sitemap Index @@ -23,9 +28,9 @@ class Sitemap: rt = self._root.tag self.type = self._root.tag.split("}", 1)[1] if "}" in rt else rt - def __iter__(self) -> Iterator[Dict[str, Any]]: + def __iter__(self) -> Iterator[dict[str, Any]]: for elem in self._root.getchildren(): - d: Dict[str, Any] = {} + d: dict[str, Any] = {} for el in elem.getchildren(): tag = el.tag name = tag.split("}", 1)[1] if "}" in tag else tag diff --git a/scrapy/utils/spider.py b/scrapy/utils/spider.py index ce754fad3..02dbb2e90 100644 --- a/scrapy/utils/spider.py +++ b/scrapy/utils/spider.py @@ -2,24 +2,14 @@ from __future__ import annotations import inspect import logging -from typing import ( - TYPE_CHECKING, - Any, - AsyncGenerator, - Iterable, - Literal, - Optional, - Type, - TypeVar, - Union, - overload, -) +from typing import TYPE_CHECKING, Any, Literal, Optional, TypeVar, Union, overload from scrapy.spiders import Spider from scrapy.utils.defer import deferred_from_coro from scrapy.utils.misc import arg_to_iter if TYPE_CHECKING: + from collections.abc import AsyncGenerator, Iterable from types import CoroutineType, ModuleType from twisted.internet.defer import Deferred @@ -58,7 +48,7 @@ def iterate_spider_output( return arg_to_iter(deferred_from_coro(result)) -def iter_spider_classes(module: ModuleType) -> Iterable[Type[Spider]]: +def iter_spider_classes(module: ModuleType) -> Iterable[type[Spider]]: """Return an iterator over all spider classes defined in the given module that can be instantiated (i.e. which have name) """ @@ -80,10 +70,10 @@ def iter_spider_classes(module: ModuleType) -> Iterable[Type[Spider]]: def spidercls_for_request( spider_loader: SpiderLoader, request: Request, - default_spidercls: Type[Spider], + default_spidercls: type[Spider], log_none: bool = ..., log_multiple: bool = ..., -) -> Type[Spider]: ... +) -> type[Spider]: ... @overload @@ -93,7 +83,7 @@ def spidercls_for_request( default_spidercls: Literal[None], log_none: bool = ..., log_multiple: bool = ..., -) -> Optional[Type[Spider]]: ... +) -> Optional[type[Spider]]: ... @overload @@ -103,16 +93,16 @@ def spidercls_for_request( *, log_none: bool = ..., log_multiple: bool = ..., -) -> Optional[Type[Spider]]: ... +) -> Optional[type[Spider]]: ... def spidercls_for_request( spider_loader: SpiderLoader, request: Request, - default_spidercls: Optional[Type[Spider]] = None, + default_spidercls: Optional[type[Spider]] = None, log_none: bool = False, log_multiple: bool = False, -) -> Optional[Type[Spider]]: +) -> Optional[type[Spider]]: """Return a spider class that handles the given Request. This will look for the spiders that can handle the given request (using diff --git a/scrapy/utils/test.py b/scrapy/utils/test.py index 30f235592..860a2e3dd 100644 --- a/scrapy/utils/test.py +++ b/scrapy/utils/test.py @@ -9,17 +9,7 @@ import os from importlib import import_module from pathlib import Path from posixpath import split -from typing import ( - TYPE_CHECKING, - Any, - Awaitable, - Dict, - List, - Optional, - Tuple, - Type, - TypeVar, -) +from typing import TYPE_CHECKING, Any, Optional, TypeVar from unittest import TestCase, mock from twisted.trial.unittest import SkipTest @@ -29,6 +19,8 @@ from scrapy.crawler import Crawler from scrapy.utils.boto import is_botocore_available if TYPE_CHECKING: + from collections.abc import Awaitable + from twisted.internet.defer import Deferred from twisted.web.client import Response as TxResponse @@ -48,7 +40,7 @@ def skip_if_no_boto() -> None: def get_gcs_content_and_delete( bucket: Any, path: str -) -> Tuple[bytes, List[Dict[str, str]], Any]: +) -> tuple[bytes, list[dict[str, str]], Any]: from google.cloud import storage client = storage.Client(project=os.environ.get("GCS_PROJECT_ID")) @@ -75,7 +67,7 @@ def get_ftp_content_and_delete( ftp.login(username, password) if use_active_mode: ftp.set_pasv(False) - ftp_data: List[bytes] = [] + ftp_data: list[bytes] = [] def buffer_data(data: bytes) -> None: ftp_data.append(data) @@ -92,8 +84,8 @@ class TestSpider(Spider): def get_crawler( - spidercls: Optional[Type[Spider]] = None, - settings_dict: Optional[Dict[str, Any]] = None, + spidercls: Optional[type[Spider]] = None, + settings_dict: Optional[dict[str, Any]] = None, prevent_warnings: bool = True, ) -> Crawler: """Return an unconfigured Crawler object. If settings_dict is given, it @@ -103,7 +95,7 @@ def get_crawler( from scrapy.crawler import CrawlerRunner # Set by default settings that prevent deprecation warnings. - settings: Dict[str, Any] = {} + settings: dict[str, Any] = {} settings.update(settings_dict or {}) runner = CrawlerRunner(settings) crawler = runner.create_crawler(spidercls or TestSpider) @@ -118,7 +110,7 @@ def get_pythonpath() -> str: return str(Path(scrapy_path).parent) + os.pathsep + os.environ.get("PYTHONPATH", "") -def get_testenv() -> Dict[str, str]: +def get_testenv() -> dict[str, str]: """Return a OS environment dict suitable to fork processes that need to import this installation of Scrapy, instead of a system installed one. """ @@ -143,7 +135,7 @@ def get_from_asyncio_queue(value: _T) -> Awaitable[_T]: return getter -def mock_google_cloud_storage() -> Tuple[Any, Any, Any]: +def mock_google_cloud_storage() -> tuple[Any, Any, Any]: """Creates autospec mocks for google-cloud-storage Client, Bucket and Blob classes and set their proper return values. """ diff --git a/scrapy/utils/testproc.py b/scrapy/utils/testproc.py index bb269a9f5..dfc823725 100644 --- a/scrapy/utils/testproc.py +++ b/scrapy/utils/testproc.py @@ -2,13 +2,15 @@ from __future__ import annotations import os import sys -from typing import TYPE_CHECKING, Iterable, List, Optional, Tuple, cast +from typing import TYPE_CHECKING, Optional, cast from twisted.internet.defer import Deferred from twisted.internet.error import ProcessTerminated from twisted.internet.protocol import ProcessProtocol if TYPE_CHECKING: + from collections.abc import Iterable + from twisted.python.failure import Failure @@ -36,8 +38,8 @@ class ProcessTest: return pp.deferred def _process_finished( - self, pp: TestProcessProtocol, cmd: List[str], check_code: bool - ) -> Tuple[int, bytes, bytes]: + self, pp: TestProcessProtocol, cmd: list[str], check_code: bool + ) -> tuple[int, bytes, bytes]: if pp.exitcode and check_code: msg = f"process {cmd} exit with code {pp.exitcode}" msg += f"\n>>> stdout <<<\n{pp.out.decode()}" diff --git a/scrapy/utils/trackref.py b/scrapy/utils/trackref.py index 9ff9a273f..5eec1c10f 100644 --- a/scrapy/utils/trackref.py +++ b/scrapy/utils/trackref.py @@ -9,19 +9,23 @@ and no performance penalty at all when disabled (as object_ref becomes just an alias to object in that case). """ +from __future__ import annotations + from collections import defaultdict from operator import itemgetter from time import time -from typing import TYPE_CHECKING, Any, DefaultDict, Iterable +from typing import TYPE_CHECKING, Any from weakref import WeakKeyDictionary if TYPE_CHECKING: + from collections.abc import Iterable + # typing.Self requires Python 3.11 from typing_extensions import Self NoneType = type(None) -live_refs: DefaultDict[type, WeakKeyDictionary] = defaultdict(WeakKeyDictionary) +live_refs: defaultdict[type, WeakKeyDictionary] = defaultdict(WeakKeyDictionary) class object_ref: @@ -29,7 +33,7 @@ class object_ref: __slots__ = () - def __new__(cls, *args: Any, **kwargs: Any) -> "Self": + def __new__(cls, *args: Any, **kwargs: Any) -> Self: obj = object.__new__(cls) live_refs[cls][obj] = time() return obj diff --git a/scrapy/utils/url.py b/scrapy/utils/url.py index 9d97cb12f..41d268baa 100644 --- a/scrapy/utils/url.py +++ b/scrapy/utils/url.py @@ -6,8 +6,10 @@ Some of the functions that used to be imported from this module have been moved to the w3lib.url module. Always import those from there instead. """ +from __future__ import annotations + import re -from typing import TYPE_CHECKING, Iterable, Optional, Type, Union, cast +from typing import TYPE_CHECKING, Optional, Union, cast from urllib.parse import ParseResult, urldefrag, urlparse, urlunparse # scrapy.utils.url was moved to w3lib.url and import * ensures this @@ -18,6 +20,8 @@ from w3lib.url import _safe_chars, _unquotepath # noqa: F401 from scrapy.utils.python import to_unicode if TYPE_CHECKING: + from collections.abc import Iterable + from scrapy import Spider @@ -33,7 +37,7 @@ def url_is_from_any_domain(url: UrlT, domains: Iterable[str]) -> bool: return any((host == d) or (host.endswith(f".{d}")) for d in domains) -def url_is_from_spider(url: UrlT, spider: Type["Spider"]) -> bool: +def url_is_from_spider(url: UrlT, spider: type[Spider]) -> bool: """Return True if the url belongs to the given spider""" return url_is_from_any_domain( url, [spider.name] + list(getattr(spider, "allowed_domains", [])) diff --git a/scrapy/utils/versions.py b/scrapy/utils/versions.py index 42e5e9be4..4e9e29286 100644 --- a/scrapy/utils/versions.py +++ b/scrapy/utils/versions.py @@ -1,6 +1,5 @@ import platform import sys -from typing import List, Tuple import cryptography import cssselect @@ -13,7 +12,7 @@ import scrapy from scrapy.utils.ssl import get_openssl_version -def scrapy_components_versions() -> List[Tuple[str, str]]: +def scrapy_components_versions() -> list[tuple[str, str]]: lxml_version = ".".join(map(str, lxml.etree.LXML_VERSION)) libxml2_version = ".".join(map(str, lxml.etree.LIBXML_VERSION)) diff --git a/setup.py b/setup.py index f458a9de3..ec9ac6597 100644 --- a/setup.py +++ b/setup.py @@ -6,12 +6,12 @@ version = (Path(__file__).parent / "scrapy/VERSION").read_text("ascii").strip() install_requires = [ - "Twisted>=18.9.0", - "cryptography>=36.0.0", + "Twisted>=21.7.0", + "cryptography>=37.0.0", "cssselect>=0.9.1", "itemloaders>=1.0.1", "parsel>=1.5.0", - "pyOpenSSL>=21.0.0", + "pyOpenSSL>=22.0.0", "queuelib>=1.4.2", "service_identity>=18.1.0", "w3lib>=1.17.0", @@ -20,7 +20,7 @@ install_requires = [ "itemadapter>=0.1.0", "packaging", "tldextract", - "lxml>=4.4.1", + "lxml>=4.6.0", "defusedxml>=0.7.1", ] extras_require = { @@ -58,7 +58,6 @@ setup( "Operating System :: OS Independent", "Programming Language :: Python", "Programming Language :: Python :: 3", - "Programming Language :: Python :: 3.8", "Programming Language :: Python :: 3.9", "Programming Language :: Python :: 3.10", "Programming Language :: Python :: 3.11", @@ -69,7 +68,7 @@ setup( "Topic :: Software Development :: Libraries :: Application Frameworks", "Topic :: Software Development :: Libraries :: Python Modules", ], - python_requires=">=3.8", + python_requires=">=3.9", install_requires=install_requires, extras_require=extras_require, ) diff --git a/tests/mocks/dummydbm.py b/tests/mocks/dummydbm.py index bde3de228..a7f7f1356 100644 --- a/tests/mocks/dummydbm.py +++ b/tests/mocks/dummydbm.py @@ -1,7 +1,7 @@ """DBM-like dummy module""" -import collections -from typing import Any, DefaultDict +from collections import defaultdict +from typing import Any class DummyDB(dict): @@ -14,7 +14,7 @@ class DummyDB(dict): error = KeyError -_DATABASES: DefaultDict[Any, DummyDB] = collections.defaultdict(DummyDB) +_DATABASES: defaultdict[Any, DummyDB] = defaultdict(DummyDB) def open(file, flag="r", mode=0o666): diff --git a/tests/mockserver.py b/tests/mockserver.py index 6ec46aa3d..f5c12787a 100644 --- a/tests/mockserver.py +++ b/tests/mockserver.py @@ -9,7 +9,7 @@ from pathlib import Path from shutil import rmtree from subprocess import PIPE, Popen from tempfile import mkdtemp -from typing import TYPE_CHECKING, Dict +from typing import TYPE_CHECKING from urllib.parse import urlencode from OpenSSL import SSL @@ -37,7 +37,7 @@ def getarg(request, name, default=None, type=None): return default -def get_mockserver_env() -> Dict[str, str]: +def get_mockserver_env() -> dict[str, str]: """Return a OS environment dict suitable to run mockserver processes.""" tests_path = Path(__file__).parent.parent diff --git a/tests/test_addons.py b/tests/test_addons.py index f1b01bc5c..775f629b3 100644 --- a/tests/test_addons.py +++ b/tests/test_addons.py @@ -1,5 +1,5 @@ import itertools -from typing import Any, Dict +from typing import Any from unittest.mock import patch from twisted.internet.defer import inlineCallbacks @@ -17,7 +17,7 @@ class SimpleAddon: pass -def get_addon_cls(config: Dict[str, Any]) -> type: +def get_addon_cls(config: dict[str, Any]) -> type: class AddonWithConfig: def update_settings(self, settings: BaseSettings): settings.update(config, priority="addon") diff --git a/tests/test_commands.py b/tests/test_commands.py index a23b7f4a9..6ec7c21b0 100644 --- a/tests/test_commands.py +++ b/tests/test_commands.py @@ -1,3 +1,5 @@ +from __future__ import annotations + import argparse import inspect import json @@ -13,7 +15,7 @@ from shutil import copytree, rmtree from stat import S_IWRITE as ANYONE_WRITE_PERMISSION from tempfile import TemporaryFile, mkdtemp from threading import Timer -from typing import Dict, Iterator, Optional, Union +from typing import TYPE_CHECKING, Optional, Union from unittest import skipIf from pytest import mark @@ -27,6 +29,9 @@ from scrapy.utils.python import to_unicode from scrapy.utils.test import get_testenv from tests.test_crawler import ExceptionSpider, NoRequestsSpider +if TYPE_CHECKING: + from collections.abc import Iterator + class CommandSettings(unittest.TestCase): def setUp(self): @@ -194,7 +199,7 @@ class StartprojectTest(ProjectTest): def get_permissions_dict( path: Union[str, os.PathLike], renamings=None, ignore=None -) -> Dict[str, str]: +) -> dict[str, str]: def get_permissions(path: Path) -> str: return oct(path.stat().st_mode) diff --git a/tests/test_crawler.py b/tests/test_crawler.py index c87e65758..69bfb7eb3 100644 --- a/tests/test_crawler.py +++ b/tests/test_crawler.py @@ -6,7 +6,6 @@ import subprocess import sys import warnings from pathlib import Path -from typing import List import pytest from packaging.version import parse as parse_version @@ -651,7 +650,7 @@ class ScriptRunnerMixin: script_dir: Path cwd = os.getcwd() - def get_script_args(self, script_name: str, *script_args: str) -> List[str]: + def get_script_args(self, script_name: str, *script_args: str) -> list[str]: script_path = self.script_dir / script_name return [sys.executable, str(script_path)] + list(script_args) diff --git a/tests/test_downloader_handlers.py b/tests/test_downloader_handlers.py index 884491d01..f14a10a32 100644 --- a/tests/test_downloader_handlers.py +++ b/tests/test_downloader_handlers.py @@ -4,7 +4,7 @@ import shutil import sys from pathlib import Path from tempfile import mkdtemp, mkstemp -from typing import Optional, Type +from typing import Optional from unittest import SkipTest, mock from testfixtures import LogCapture @@ -218,7 +218,7 @@ class DuplicateHeaderResource(resource.Resource): class HttpTestCase(unittest.TestCase): scheme = "http" - download_handler_cls: Type = HTTPDownloadHandler + download_handler_cls: type = HTTPDownloadHandler # only used for HTTPS tests keyfile = "keys/localhost.key" @@ -428,7 +428,7 @@ class HttpTestCase(unittest.TestCase): class Http10TestCase(HttpTestCase): """HTTP 1.0 test case""" - download_handler_cls: Type = HTTP10DownloadHandler + download_handler_cls: type = HTTP10DownloadHandler def test_protocol(self): request = Request(self.getURL("host"), method="GET") @@ -445,7 +445,7 @@ class Https10TestCase(Http10TestCase): class Http11TestCase(HttpTestCase): """HTTP 1.1 test case""" - download_handler_cls: Type = HTTP11DownloadHandler + download_handler_cls: type = HTTP11DownloadHandler def test_download_without_maxsize_limit(self): request = Request(self.getURL("file")) @@ -645,7 +645,7 @@ class Https11InvalidDNSPattern(Https11TestCase): class Https11CustomCiphers(unittest.TestCase): scheme = "https" - download_handler_cls: Type = HTTP11DownloadHandler + download_handler_cls: type = HTTP11DownloadHandler keyfile = "keys/localhost.key" certfile = "keys/localhost.crt" @@ -740,7 +740,7 @@ class UriResource(resource.Resource): class HttpProxyTestCase(unittest.TestCase): - download_handler_cls: Type = HTTPDownloadHandler + download_handler_cls: type = HTTPDownloadHandler expected_http_proxy_request_body = b"http://example.com" def setUp(self): @@ -783,14 +783,14 @@ class HttpProxyTestCase(unittest.TestCase): class Http10ProxyTestCase(HttpProxyTestCase): - download_handler_cls: Type = HTTP10DownloadHandler + download_handler_cls: type = HTTP10DownloadHandler def test_download_with_proxy_https_noconnect(self): raise unittest.SkipTest("noconnect is not supported in HTTP10DownloadHandler") class Http11ProxyTestCase(HttpProxyTestCase): - download_handler_cls: Type = HTTP11DownloadHandler + download_handler_cls: type = HTTP11DownloadHandler @defer.inlineCallbacks def test_download_with_proxy_https_timeout(self): @@ -845,7 +845,7 @@ class S3AnonTestCase(unittest.TestCase): class S3TestCase(unittest.TestCase): - download_handler_cls: Type = S3DownloadHandler + download_handler_cls: type = S3DownloadHandler # test use same example keys than amazon developer guide # http://s3.amazonaws.com/awsdocs/S3/20060301/s3-dg-20060301.pdf diff --git a/tests/test_http2_client_protocol.py b/tests/test_http2_client_protocol.py index 7ea3fe8c9..1f998de1a 100644 --- a/tests/test_http2_client_protocol.py +++ b/tests/test_http2_client_protocol.py @@ -8,7 +8,7 @@ import string from ipaddress import IPv4Address from pathlib import Path from tempfile import mkdtemp -from typing import TYPE_CHECKING, Dict +from typing import TYPE_CHECKING from unittest import mock, skipIf from urllib.parse import urlencode @@ -152,7 +152,7 @@ class QueryParams(LeafResource): request.setHeader("Content-Type", "application/json; charset=UTF-8") request.setHeader("Content-Encoding", "UTF-8") - query_params: Dict[str, str] = {} + query_params: dict[str, str] = {} assert request.args is not None for k, v in request.args.items(): query_params[str(k, "utf-8")] = str(v[0], "utf-8") diff --git a/tests/test_http_request.py b/tests/test_http_request.py index 7ce73e6ff..d0fb17f1f 100644 --- a/tests/test_http_request.py +++ b/tests/test_http_request.py @@ -3,7 +3,7 @@ import re import unittest import warnings import xmlrpc.client -from typing import Any, Dict, List +from typing import Any from unittest import mock from urllib.parse import parse_qs, unquote_to_bytes @@ -23,8 +23,8 @@ from scrapy.utils.python import to_bytes, to_unicode class RequestTest(unittest.TestCase): request_class = Request default_method = "GET" - default_headers: Dict[bytes, List[bytes]] = {} - default_meta: Dict[str, Any] = {} + default_headers: dict[bytes, list[bytes]] = {} + default_meta: dict[str, Any] = {} def test_init(self): # Request requires url in the __init__ method diff --git a/tests/test_pipeline_crawl.py b/tests/test_pipeline_crawl.py index cd3442dd4..83e22b070 100644 --- a/tests/test_pipeline_crawl.py +++ b/tests/test_pipeline_crawl.py @@ -1,7 +1,7 @@ import shutil from pathlib import Path from tempfile import mkdtemp -from typing import Optional, Set +from typing import Optional from testfixtures import LogCapture from twisted.internet import defer @@ -57,7 +57,7 @@ class FileDownloadCrawlTestCase(TestCase): store_setting_key = "FILES_STORE" media_key = "files" media_urls_key = "file_urls" - expected_checksums: Optional[Set[str]] = { + expected_checksums: Optional[set[str]] = { "5547178b89448faf0015a13f904c936e", "c2281c83670e31d8aaab7cb642b824db", "ed3f6538dc15d4d9179dae57319edc5f", diff --git a/tests/test_pipeline_files.py b/tests/test_pipeline_files.py index 0babde4d9..6ce7fc059 100644 --- a/tests/test_pipeline_files.py +++ b/tests/test_pipeline_files.py @@ -7,7 +7,6 @@ from io import BytesIO from pathlib import Path from shutil import rmtree from tempfile import mkdtemp -from typing import Dict, List from unittest import mock from urllib.parse import urlparse @@ -309,11 +308,11 @@ class FilesPipelineTestCaseFieldsDataClass( class FilesPipelineTestAttrsItem: name = attr.ib(default="") # default fields - file_urls: List[str] = attr.ib(default=lambda: []) - files: List[Dict[str, str]] = attr.ib(default=lambda: []) + file_urls: list[str] = attr.ib(default=lambda: []) + files: list[dict[str, str]] = attr.ib(default=lambda: []) # overridden fields - custom_file_urls: List[str] = attr.ib(default=lambda: []) - custom_files: List[Dict[str, str]] = attr.ib(default=lambda: []) + custom_file_urls: list[str] = attr.ib(default=lambda: []) + custom_files: list[dict[str, str]] = attr.ib(default=lambda: []) class FilesPipelineTestCaseFieldsAttrsItem( diff --git a/tests/test_pipeline_images.py b/tests/test_pipeline_images.py index 7d7c78920..296a6fae0 100644 --- a/tests/test_pipeline_images.py +++ b/tests/test_pipeline_images.py @@ -5,7 +5,7 @@ import random import warnings from shutil import rmtree from tempfile import mkdtemp -from typing import Dict, List, Optional +from typing import Optional from unittest.mock import patch import attr @@ -406,11 +406,11 @@ class ImagesPipelineTestCaseFieldsDataClass( class ImagesPipelineTestAttrsItem: name = attr.ib(default="") # default fields - image_urls: List[str] = attr.ib(default=lambda: []) - images: List[Dict[str, str]] = attr.ib(default=lambda: []) + image_urls: list[str] = attr.ib(default=lambda: []) + images: list[dict[str, str]] = attr.ib(default=lambda: []) # overridden fields - custom_image_urls: List[str] = attr.ib(default=lambda: []) - custom_images: List[Dict[str, str]] = attr.ib(default=lambda: []) + custom_image_urls: list[str] = attr.ib(default=lambda: []) + custom_images: list[dict[str, str]] = attr.ib(default=lambda: []) class ImagesPipelineTestCaseFieldsAttrsItem( diff --git a/tests/test_request_cb_kwargs.py b/tests/test_request_cb_kwargs.py index 7299972f6..8c0e5764a 100644 --- a/tests/test_request_cb_kwargs.py +++ b/tests/test_request_cb_kwargs.py @@ -1,5 +1,3 @@ -from typing import List - from testfixtures import LogCapture from twisted.internet import defer from twisted.trial.unittest import TestCase @@ -64,7 +62,7 @@ class KeywordArgumentsSpider(MockServerSpider): }, } - checks: List[bool] = [] + checks: list[bool] = [] def start_requests(self): data = {"key": "value", "number": 123, "callback": "some_callback"} diff --git a/tests/test_scheduler_base.py b/tests/test_scheduler_base.py index 5db2e4e50..4fd293ec7 100644 --- a/tests/test_scheduler_base.py +++ b/tests/test_scheduler_base.py @@ -1,4 +1,4 @@ -from typing import Dict, Optional +from typing import Optional from unittest import TestCase from urllib.parse import urljoin @@ -20,7 +20,7 @@ URLS = [urljoin("https://example.org", p) for p in PATHS] class MinimalScheduler: def __init__(self) -> None: - self.requests: Dict[bytes, Request] = {} + self.requests: dict[bytes, Request] = {} def has_pending_requests(self) -> bool: return bool(self.requests) diff --git a/tests/test_settings/__init__.py b/tests/test_settings/__init__.py index 9ee248538..503c29e32 100644 --- a/tests/test_settings/__init__.py +++ b/tests/test_settings/__init__.py @@ -105,9 +105,10 @@ class BaseSettingsTest(unittest.TestCase): def test_set_calls_settings_attributes_methods_on_update(self): attr = SettingsAttribute("value", 10) - with mock.patch.object(attr, "__setattr__") as mock_setattr, mock.patch.object( - attr, "set" - ) as mock_set: + with ( + mock.patch.object(attr, "__setattr__") as mock_setattr, + mock.patch.object(attr, "set") as mock_set, + ): self.settings.attributes = {"TEST_OPTION": attr} for priority in (0, 10, 20): diff --git a/tests/test_spidermiddleware.py b/tests/test_spidermiddleware.py index 9dbffe353..41228b5f2 100644 --- a/tests/test_spidermiddleware.py +++ b/tests/test_spidermiddleware.py @@ -1,4 +1,4 @@ -import collections.abc +from collections.abc import AsyncIterator, Iterable from typing import Optional, Union from unittest import mock @@ -147,7 +147,7 @@ class BaseAsyncSpiderMiddlewareTestCase(SpiderMiddlewareTestCase): result = yield self._get_middleware_result( *mw_classes, start_index=start_index ) - self.assertIsInstance(result, collections.abc.Iterable) + self.assertIsInstance(result, Iterable) result_list = list(result) self.assertEqual(len(result_list), self.RESULT_COUNT) self.assertIsInstance(result_list[0], self.ITEM_TYPE) @@ -161,7 +161,7 @@ class BaseAsyncSpiderMiddlewareTestCase(SpiderMiddlewareTestCase): result = yield self._get_middleware_result( *mw_classes, start_index=start_index ) - self.assertIsInstance(result, collections.abc.AsyncIterator) + self.assertIsInstance(result, AsyncIterator) result_list = yield deferred_from_coro(collect_asyncgen(result)) self.assertEqual(len(result_list), self.RESULT_COUNT) self.assertIsInstance(result_list[0], self.ITEM_TYPE) diff --git a/tests/test_spidermiddleware_httperror.py b/tests/test_spidermiddleware_httperror.py index 044455415..01a2b4bb4 100644 --- a/tests/test_spidermiddleware_httperror.py +++ b/tests/test_spidermiddleware_httperror.py @@ -1,5 +1,4 @@ import logging -from typing import Set from unittest import TestCase from testfixtures import LogCapture @@ -17,7 +16,7 @@ from tests.spiders import MockServerSpider class _HttpErrorSpider(MockServerSpider): name = "httperror" - bypass_status_codes: Set[int] = set() + bypass_status_codes: set[int] = set() def __init__(self, *args, **kwargs): super().__init__(*args, **kwargs) diff --git a/tests/test_spidermiddleware_referer.py b/tests/test_spidermiddleware_referer.py index 5797edfbd..e73e7ff4c 100644 --- a/tests/test_spidermiddleware_referer.py +++ b/tests/test_spidermiddleware_referer.py @@ -1,5 +1,5 @@ import warnings -from typing import Any, Dict, List, Optional, Tuple +from typing import Any, Optional from unittest import TestCase from urllib.parse import urlparse @@ -32,10 +32,10 @@ from scrapy.spiders import Spider class TestRefererMiddleware(TestCase): - req_meta: Dict[str, Any] = {} - resp_headers: Dict[str, str] = {} - settings: Dict[str, Any] = {} - scenarii: List[Tuple[str, str, Optional[bytes]]] = [ + req_meta: dict[str, Any] = {} + resp_headers: dict[str, str] = {} + settings: dict[str, Any] = {} + scenarii: list[tuple[str, str, Optional[bytes]]] = [ ("http://scrapytest.org", "http://scrapytest.org/", b"http://scrapytest.org"), ] @@ -65,7 +65,7 @@ class MixinDefault: with some additional filtering of s3:// """ - scenarii: List[Tuple[str, str, Optional[bytes]]] = [ + scenarii: list[tuple[str, str, Optional[bytes]]] = [ ("https://example.com/", "https://scrapy.org/", b"https://example.com/"), ("http://example.com/", "http://scrapy.org/", b"http://example.com/"), ("http://example.com/", "https://scrapy.org/", b"http://example.com/"), @@ -86,7 +86,7 @@ class MixinDefault: class MixinNoReferrer: - scenarii: List[Tuple[str, str, Optional[bytes]]] = [ + scenarii: list[tuple[str, str, Optional[bytes]]] = [ ("https://example.com/page.html", "https://example.com/", None), ("http://www.example.com/", "https://scrapy.org/", None), ("http://www.example.com/", "http://scrapy.org/", None), @@ -96,7 +96,7 @@ class MixinNoReferrer: class MixinNoReferrerWhenDowngrade: - scenarii: List[Tuple[str, str, Optional[bytes]]] = [ + scenarii: list[tuple[str, str, Optional[bytes]]] = [ # TLS to TLS: send non-empty referrer ( "https://example.com/page.html", @@ -178,7 +178,7 @@ class MixinNoReferrerWhenDowngrade: class MixinSameOrigin: - scenarii: List[Tuple[str, str, Optional[bytes]]] = [ + scenarii: list[tuple[str, str, Optional[bytes]]] = [ # Same origin (protocol, host, port): send referrer ( "https://example.com/page.html", @@ -247,7 +247,7 @@ class MixinSameOrigin: class MixinOrigin: - scenarii: List[Tuple[str, str, Optional[bytes]]] = [ + scenarii: list[tuple[str, str, Optional[bytes]]] = [ # TLS or non-TLS to TLS or non-TLS: referrer origin is sent (yes, even for downgrades) ( "https://example.com/page.html", @@ -271,7 +271,7 @@ class MixinOrigin: class MixinStrictOrigin: - scenarii: List[Tuple[str, str, Optional[bytes]]] = [ + scenarii: list[tuple[str, str, Optional[bytes]]] = [ # TLS or non-TLS to TLS or non-TLS: referrer origin is sent but not for downgrades ( "https://example.com/page.html", @@ -299,7 +299,7 @@ class MixinStrictOrigin: class MixinOriginWhenCrossOrigin: - scenarii: List[Tuple[str, str, Optional[bytes]]] = [ + scenarii: list[tuple[str, str, Optional[bytes]]] = [ # Same origin (protocol, host, port): send referrer ( "https://example.com/page.html", @@ -406,7 +406,7 @@ class MixinOriginWhenCrossOrigin: class MixinStrictOriginWhenCrossOrigin: - scenarii: List[Tuple[str, str, Optional[bytes]]] = [ + scenarii: list[tuple[str, str, Optional[bytes]]] = [ # Same origin (protocol, host, port): send referrer ( "https://example.com/page.html", @@ -518,7 +518,7 @@ class MixinStrictOriginWhenCrossOrigin: class MixinUnsafeUrl: - scenarii: List[Tuple[str, str, Optional[bytes]]] = [ + scenarii: list[tuple[str, str, Optional[bytes]]] = [ # TLS to TLS: send referrer ( "https://example.com/sekrit.html", @@ -968,8 +968,8 @@ class TestPolicyHeaderPrecedence004( class TestReferrerOnRedirect(TestRefererMiddleware): settings = {"REFERRER_POLICY": "scrapy.spidermiddlewares.referer.UnsafeUrlPolicy"} - scenarii: List[ - Tuple[str, str, Tuple[Tuple[int, str], ...], Optional[bytes], Optional[bytes]] + scenarii: list[ + tuple[str, str, tuple[tuple[int, str], ...], Optional[bytes], Optional[bytes]] ] = [ # type: ignore[assignment] ( "http://scrapytest.org/1", # parent diff --git a/tests/test_utils_datatypes.py b/tests/test_utils_datatypes.py index be5c6de81..fb7c90f80 100644 --- a/tests/test_utils_datatypes.py +++ b/tests/test_utils_datatypes.py @@ -1,8 +1,7 @@ import copy import unittest import warnings -from collections.abc import Mapping, MutableMapping -from typing import Iterator +from collections.abc import Iterator, Mapping, MutableMapping from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.http import Request diff --git a/tests/test_utils_log.py b/tests/test_utils_log.py index 0f75bdb5c..76820eabf 100644 --- a/tests/test_utils_log.py +++ b/tests/test_utils_log.py @@ -1,10 +1,12 @@ +from __future__ import annotations + import json import logging import re import sys import unittest from io import StringIO -from typing import Any, Dict, Mapping, MutableMapping +from typing import TYPE_CHECKING, Any from unittest import TestCase import pytest @@ -21,6 +23,9 @@ from scrapy.utils.log import ( from scrapy.utils.test import get_crawler from tests.spiders import LogSpider +if TYPE_CHECKING: + from collections.abc import Mapping, MutableMapping + class FailureToExcInfoTest(unittest.TestCase): def test_failure(self): @@ -133,7 +138,7 @@ class StreamLoggerTest(unittest.TestCase): ), ) def test_spider_logger_adapter_process( - base_extra: Mapping[str, Any], log_extra: MutableMapping, expected_extra: Dict + base_extra: Mapping[str, Any], log_extra: MutableMapping, expected_extra: dict ): logger = logging.getLogger("test") spider_logger_adapter = SpiderLoggerAdapter(logger, base_extra) diff --git a/tests/test_utils_request.py b/tests/test_utils_request.py index 633077eec..ca3bca0b2 100644 --- a/tests/test_utils_request.py +++ b/tests/test_utils_request.py @@ -2,7 +2,7 @@ import json import unittest import warnings from hashlib import sha1 -from typing import Dict, Optional, Tuple, Union +from typing import Optional, Union from weakref import WeakKeyDictionary from scrapy.http import Request @@ -57,11 +57,11 @@ class FingerprintTest(unittest.TestCase): function: staticmethod = staticmethod(fingerprint) cache: Union[ - "WeakKeyDictionary[Request, Dict[Tuple[Optional[Tuple[bytes, ...]], bool], bytes]]", - "WeakKeyDictionary[Request, Dict[Tuple[Optional[Tuple[bytes, ...]], bool], str]]", + "WeakKeyDictionary[Request, dict[tuple[Optional[tuple[bytes, ...]], bool], bytes]]", + "WeakKeyDictionary[Request, dict[tuple[Optional[tuple[bytes, ...]], bool], str]]", ] = _fingerprint_cache default_cache_key = (None, False) - known_hashes: Tuple[Tuple[Request, Union[bytes, str], Dict], ...] = ( + known_hashes: tuple[tuple[Request, Union[bytes, str], dict], ...] = ( ( Request("http://example.org"), b"xs\xd7\x0c3uj\x15\xfe\xd7d\x9b\xa9\t\xe0d\xbf\x9cXD", diff --git a/tests_typing/test_http_request.mypy-testing b/tests_typing/test_http_request.mypy-testing index 665db9088..3926c830f 100644 --- a/tests_typing/test_http_request.mypy-testing +++ b/tests_typing/test_http_request.mypy-testing @@ -16,7 +16,7 @@ class MyRequest2(Request): @pytest.mark.mypy_testing def mypy_test_headers(): - Request("data:,", headers=1) # E: Argument "headers" to "Request" has incompatible type "int"; expected "Union[Mapping[str, Any], Iterable[Tuple[str, Any]], None]" + Request("data:,", headers=1) # E: Argument "headers" to "Request" has incompatible type "int"; expected "Union[Mapping[str, Any], Iterable[tuple[str, Any]], None]" Request("data:,", headers=None) Request("data:,", headers={}) Request("data:,", headers=[]) diff --git a/tests_typing/test_http_response.mypy-testing b/tests_typing/test_http_response.mypy-testing index d58ac1027..88aedbd3e 100644 --- a/tests_typing/test_http_response.mypy-testing +++ b/tests_typing/test_http_response.mypy-testing @@ -7,7 +7,7 @@ from scrapy.http import HtmlResponse, Response, TextResponse @pytest.mark.mypy_testing def mypy_test_headers(): - Response("data:,", headers=1) # E: Argument "headers" to "Response" has incompatible type "int"; expected "Union[Mapping[str, Any], Iterable[Tuple[str, Any]], None]" + Response("data:,", headers=1) # E: Argument "headers" to "Response" has incompatible type "int"; expected "Union[Mapping[str, Any], Iterable[tuple[str, Any]], None]" Response("data:,", headers=None) Response("data:,", headers={}) Response("data:,", headers=[]) diff --git a/tox.ini b/tox.ini index 80ef4a99e..dad15c6ab 100644 --- a/tox.ini +++ b/tox.ini @@ -61,7 +61,7 @@ commands = mypy {posargs: scrapy tests} [testenv:typing-tests] -basepython = python3.8 +basepython = python3.9 deps = {[test-requirements]deps} {[testenv:typing]deps} @@ -94,21 +94,21 @@ commands = twine check dist/* [pinned] -basepython = python3.8 +basepython = python3.9 deps = - cryptography==36.0.0 + cryptography==37.0.0 cssselect==0.9.1 h2==3.0 itemadapter==0.1.0 parsel==1.5.0 Protego==0.1.15 - pyOpenSSL==21.0.0 + pyOpenSSL==22.0.0 queuelib==1.4.2 service_identity==18.1.0 - Twisted[http2]==18.9.0 + Twisted[http2]==21.7.0 w3lib==1.17.0 zope.interface==5.1.0 - lxml==4.4.1 + lxml==4.6.0 {[test-requirements]deps} # mitmproxy 8.0.0 requires upgrading some of the pinned dependencies @@ -194,7 +194,7 @@ commands = pytest {posargs:--durations=10 docs scrapy tests} [testenv:pypy3-pinned] -basepython = pypy3.8 +basepython = pypy3.9 deps = {[pinned]deps} PyPyDispatcher==2.1.0 From 9bd5e5bcdbad47aee3e5d141c74e5d029502904c Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Wed, 16 Oct 2024 14:50:57 +0500 Subject: [PATCH 278/786] Revert uvloop restrictions. --- tox.ini | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tox.ini b/tox.ini index 451860653..dad15c6ab 100644 --- a/tox.ini +++ b/tox.ini @@ -149,8 +149,8 @@ deps = robotexclusionrulesparser Pillow Twisted[http2] - uvloop; platform_system != "Windows" and python_version < '3.13' - bpython # optional for shell wrapper tests + uvloop; platform_system != "Windows" + bpython # optional for shell wrapper tests brotli; implementation_name != 'pypy' # optional for HTTP compress downloader middleware tests brotlicffi; implementation_name == 'pypy' # optional for HTTP compress downloader middleware tests zstandard; implementation_name != 'pypy' # optional for HTTP compress downloader middleware tests From f65e64a7243d725d35bbf86ca6f5ae4c350dbcc5 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Wed, 16 Oct 2024 21:38:43 +0500 Subject: [PATCH 279/786] Misc typing improvements. (#6494) --- scrapy/commands/check.py | 5 ++- scrapy/commands/genspider.py | 4 +-- scrapy/commands/parse.py | 6 ++-- scrapy/core/engine.py | 4 +-- scrapy/core/scraper.py | 6 ++-- scrapy/core/spidermw.py | 4 +-- scrapy/crawler.py | 34 +++++++++---------- .../downloadermiddlewares/httpcompression.py | 2 +- scrapy/downloadermiddlewares/robotstxt.py | 2 +- scrapy/extensions/feedexport.py | 2 +- scrapy/pipelines/files.py | 2 +- scrapy/utils/defer.py | 6 +++- tox.ini | 8 ++--- 13 files changed, 46 insertions(+), 39 deletions(-) diff --git a/scrapy/commands/check.py b/scrapy/commands/check.py index c7946605b..1ce155da7 100644 --- a/scrapy/commands/check.py +++ b/scrapy/commands/check.py @@ -13,8 +13,7 @@ from scrapy.utils.misc import load_object, set_environ class TextTestResult(_TextTestResult): def printSummary(self, start: float, stop: float) -> None: write = self.stream.write - # _WritelnDecorator isn't implemented in typeshed yet - writeln = self.stream.writeln # type: ignore[attr-defined] + writeln = self.stream.writeln run = self.testsRun plural = "s" if run != 1 else "" @@ -84,7 +83,7 @@ class Command(ScrapyCommand): with set_environ(SCRAPY_CHECK="true"): for spidername in args or spider_loader.list(): spidercls = spider_loader.load(spidername) - spidercls.start_requests = lambda s: conman.from_spider(s, result) + spidercls.start_requests = lambda s: conman.from_spider(s, result) # type: ignore[assignment,method-assign,return-value] tested_methods = conman.tested_methods_from_spidercls(spidercls) if opts.list: diff --git a/scrapy/commands/genspider.py b/scrapy/commands/genspider.py index a9b7a6eee..2ac281212 100644 --- a/scrapy/commands/genspider.py +++ b/scrapy/commands/genspider.py @@ -4,7 +4,7 @@ import shutil import string from importlib import import_module from pathlib import Path -from typing import Optional, Union, cast +from typing import Any, Optional, Union, cast from urllib.parse import urlparse import scrapy @@ -122,7 +122,7 @@ class Command(ScrapyCommand): name: str, url: str, template_name: str, - ): + ) -> dict[str, Any]: capitalized_module = "".join(s.capitalize() for s in module.split("_")) return { "project_name": self.settings.get("BOT_NAME"), diff --git a/scrapy/commands/parse.py b/scrapy/commands/parse.py index bd1fad14b..ff2bb8ab9 100644 --- a/scrapy/commands/parse.py +++ b/scrapy/commands/parse.py @@ -38,9 +38,10 @@ _T = TypeVar("_T") class Command(BaseRunSpiderCommand): requires_project = True - spider = None + spider: Optional[Spider] = None items: dict[int, list[Any]] = {} requests: dict[int, list[Request]] = {} + spidercls: Optional[type[Spider]] first_response = None @@ -261,10 +262,11 @@ class Command(BaseRunSpiderCommand): yield self.prepare_request(spider, Request(url), opts) if self.spidercls: - self.spidercls.start_requests = _start_requests + self.spidercls.start_requests = _start_requests # type: ignore[assignment,method-assign] def start_parsing(self, url: str, opts: argparse.Namespace) -> None: assert self.crawler_process + assert self.spidercls self.crawler_process.crawl(self.spidercls, **opts.spargs) self.pcrawler = list(self.crawler_process.crawlers)[0] self.crawler_process.start() diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index bb09d066f..f3d74eccf 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -100,7 +100,7 @@ class ExecutionEngine: ) downloader_cls: type[Downloader] = load_object(self.settings["DOWNLOADER"]) self.downloader: Downloader = downloader_cls(crawler) - self.scraper = Scraper(crawler) + self.scraper: Scraper = Scraper(crawler) self._spider_closed_callback: Callable[[Spider], Optional[Deferred[None]]] = ( spider_closed_callback ) @@ -325,7 +325,7 @@ class ExecutionEngine: raise RuntimeError(f"No open spider to crawl: {request}") d: Deferred[Union[Response, Request]] = self._download(request) # Deferred.addBoth() overloads don't seem to support a Union[_T, Deferred[_T]] return type - d2: Deferred[Response] = d.addBoth(self._downloaded, request) # type: ignore[arg-type] + d2: Deferred[Response] = d.addBoth(self._downloaded, request) # type: ignore[call-overload] return d2 def _downloaded( diff --git a/scrapy/core/scraper.py b/scrapy/core/scraper.py index 29d7cb0c8..71a0d6aeb 100644 --- a/scrapy/core/scraper.py +++ b/scrapy/core/scraper.py @@ -55,7 +55,7 @@ class Slot: MIN_RESPONSE_SIZE = 1024 def __init__(self, max_active_size: int = 5000000): - self.max_active_size = max_active_size + self.max_active_size: int = max_active_size self.queue: deque[QueueTuple] = deque() self.active: set[Request] = set() self.active_size: int = 0 @@ -316,7 +316,9 @@ class Scraper: ) return None - def start_itemproc(self, item, *, response: Optional[Response]) -> Deferred[Any]: + def start_itemproc( + self, item: Any, *, response: Optional[Response] + ) -> Deferred[Any]: """Send *item* to the item pipelines for processing. *response* is the source of the item data. If the item does not come diff --git a/scrapy/core/spidermw.py b/scrapy/core/spidermw.py index 223e4192e..3c8513042 100644 --- a/scrapy/core/spidermw.py +++ b/scrapy/core/spidermw.py @@ -72,7 +72,7 @@ class SpiderMiddlewareManager(MiddlewareManager): def _process_spider_input( self, - scrape_func: ScrapeFunc, + scrape_func: ScrapeFunc[_T], response: Response, request: Request, spider: Spider, @@ -306,7 +306,7 @@ class SpiderMiddlewareManager(MiddlewareManager): def scrape_response( self, - scrape_func: ScrapeFunc, + scrape_func: ScrapeFunc[_T], response: Response, request: Request, spider: Spider, diff --git a/scrapy/crawler.py b/scrapy/crawler.py index b0a4932e1..e75ef52ac 100644 --- a/scrapy/crawler.py +++ b/scrapy/crawler.py @@ -42,8 +42,9 @@ from scrapy.utils.reactor import ( ) if TYPE_CHECKING: - from collections.abc import Generator + from collections.abc import Generator, Iterable + from scrapy.spiderloader import SpiderLoader from scrapy.utils.request import RequestFingerprinter @@ -178,16 +179,18 @@ class Crawler: yield maybeDeferred(self.engine.stop) @staticmethod - def _get_component(component_class, components): + def _get_component( + component_class: type[_T], components: Iterable[Any] + ) -> Optional[_T]: for component in components: if isinstance(component, component_class): return component return None - def get_addon(self, cls): + def get_addon(self, cls: type[_T]) -> Optional[_T]: return self._get_component(cls, self.addons.addons) - def get_downloader_middleware(self, cls): + def get_downloader_middleware(self, cls: type[_T]) -> Optional[_T]: if not self.engine: raise RuntimeError( "Crawler.get_downloader_middleware() can only be called after " @@ -195,7 +198,7 @@ class Crawler: ) return self._get_component(cls, self.engine.downloader.middleware.middlewares) - def get_extension(self, cls): + def get_extension(self, cls: type[_T]) -> Optional[_T]: if not self.extensions: raise RuntimeError( "Crawler.get_extension() can only be called after the " @@ -203,7 +206,7 @@ class Crawler: ) return self._get_component(cls, self.extensions.middlewares) - def get_item_pipeline(self, cls): + def get_item_pipeline(self, cls: type[_T]) -> Optional[_T]: if not self.engine: raise RuntimeError( "Crawler.get_item_pipeline() can only be called after the " @@ -211,7 +214,7 @@ class Crawler: ) return self._get_component(cls, self.engine.scraper.itemproc.middlewares) - def get_spider_middleware(self, cls): + def get_spider_middleware(self, cls: type[_T]) -> Optional[_T]: if not self.engine: raise RuntimeError( "Crawler.get_spider_middleware() can only be called after the " @@ -240,18 +243,18 @@ class CrawlerRunner: ) @staticmethod - def _get_spider_loader(settings: BaseSettings): + def _get_spider_loader(settings: BaseSettings) -> SpiderLoader: """Get SpiderLoader instance from settings""" cls_path = settings.get("SPIDER_LOADER_CLASS") loader_cls = load_object(cls_path) verifyClass(ISpiderLoader, loader_cls) - return loader_cls.from_settings(settings.frozencopy()) + return cast("SpiderLoader", loader_cls.from_settings(settings.frozencopy())) def __init__(self, settings: Union[dict[str, Any], Settings, None] = None): if isinstance(settings, dict) or settings is None: settings = Settings(settings) - self.settings = settings - self.spider_loader = self._get_spider_loader(settings) + self.settings: Settings = settings + self.spider_loader: SpiderLoader = self._get_spider_loader(settings) self._crawlers: set[Crawler] = set() self._active: set[Deferred[None]] = set() self.bootstrap_failed = False @@ -329,8 +332,7 @@ class CrawlerRunner: def _create_crawler(self, spidercls: Union[str, type[Spider]]) -> Crawler: if isinstance(spidercls, str): spidercls = self.spider_loader.load(spidercls) - # temporary cast until self.spider_loader is typed - return Crawler(cast(type[Spider], spidercls), self.settings) + return Crawler(spidercls, self.settings) def stop(self) -> Deferred[Any]: """ @@ -384,7 +386,7 @@ class CrawlerProcess(CrawlerRunner): super().__init__(settings) configure_logging(self.settings, install_root_handler) log_scrapy_info(self.settings) - self._initialized_reactor = False + self._initialized_reactor: bool = False def _signal_shutdown(self, signum: int, _: Any) -> None: from twisted.internet import reactor @@ -413,9 +415,7 @@ class CrawlerProcess(CrawlerRunner): init_reactor = not self._initialized_reactor self._initialized_reactor = True # temporary cast until self.spider_loader is typed - return Crawler( - cast(type[Spider], spidercls), self.settings, init_reactor=init_reactor - ) + return Crawler(spidercls, self.settings, init_reactor=init_reactor) def start( self, stop_after_crawl: bool = True, install_signal_handlers: bool = True diff --git a/scrapy/downloadermiddlewares/httpcompression.py b/scrapy/downloadermiddlewares/httpcompression.py index b0cede97d..d913ca25d 100644 --- a/scrapy/downloadermiddlewares/httpcompression.py +++ b/scrapy/downloadermiddlewares/httpcompression.py @@ -88,7 +88,7 @@ class HttpCompressionMiddleware: crawler.signals.connect(mw.open_spider, signals.spider_opened) return mw - def open_spider(self, spider): + def open_spider(self, spider: Spider) -> None: if hasattr(spider, "download_maxsize"): self._max_size = spider.download_maxsize if hasattr(spider, "download_warnsize"): diff --git a/scrapy/downloadermiddlewares/robotstxt.py b/scrapy/downloadermiddlewares/robotstxt.py index 421c58e68..81ba009d6 100644 --- a/scrapy/downloadermiddlewares/robotstxt.py +++ b/scrapy/downloadermiddlewares/robotstxt.py @@ -67,7 +67,7 @@ class RobotsTxtMiddleware: if request.url.startswith("data:") or request.url.startswith("file:"): return None d: Deferred[Optional[RobotParser]] = maybeDeferred( - self.robot_parser, request, spider # type: ignore[arg-type] + self.robot_parser, request, spider # type: ignore[call-overload] ) d2: Deferred[None] = d.addCallback(self.process_request_2, request, spider) return d2 diff --git a/scrapy/extensions/feedexport.py b/scrapy/extensions/feedexport.py index b1001dabb..7bfcbe6f3 100644 --- a/scrapy/extensions/feedexport.py +++ b/scrapy/extensions/feedexport.py @@ -578,7 +578,7 @@ class FeedExporter: return None logmsg = f"{slot.format} feed ({slot.itemcount} items) in: {slot.uri}" - d: Deferred[None] = maybeDeferred(slot.storage.store, get_file(slot)) # type: ignore[arg-type] + d: Deferred[None] = maybeDeferred(slot.storage.store, get_file(slot)) # type: ignore[call-overload] d.addCallback( self._handle_store_success, logmsg, spider, type(slot.storage).__name__ diff --git a/scrapy/pipelines/files.py b/scrapy/pipelines/files.py index 9314856c1..32e9ffe7c 100644 --- a/scrapy/pipelines/files.py +++ b/scrapy/pipelines/files.py @@ -550,7 +550,7 @@ class FilesPipeline(MediaPipeline): path = self.file_path(request, info=info, item=item) # maybeDeferred() overloads don't seem to support a Union[_T, Deferred[_T]] return type - dfd: Deferred[StatInfo] = maybeDeferred(self.store.stat_file, path, info) # type: ignore[arg-type] + dfd: Deferred[StatInfo] = maybeDeferred(self.store.stat_file, path, info) # type: ignore[call-overload] dfd2: Deferred[Optional[FileInfo]] = dfd.addCallback(_onsuccess) dfd2.addErrback(lambda _: None) dfd2.addErrback( diff --git a/scrapy/utils/defer.py b/scrapy/utils/defer.py index 3a0dee8f1..aeacadb1c 100644 --- a/scrapy/utils/defer.py +++ b/scrapy/utils/defer.py @@ -305,7 +305,11 @@ def process_parallel( dfds, fireOnOneErrback=True, consumeErrors=True ) d2: Deferred[list[_T2]] = d.addCallback(lambda r: [x[1] for x in r]) - d2.addErrback(lambda f: f.value.subFailure) + + def eb(failure: Failure) -> Failure: + return failure.value.subFailure + + d2.addErrback(eb) return d2 diff --git a/tox.ini b/tox.ini index dad15c6ab..79f72a0f2 100644 --- a/tox.ini +++ b/tox.ini @@ -46,12 +46,12 @@ install_command = [testenv:typing] basepython = python3 deps = - mypy==1.11.1 + mypy==1.12.0 typing-extensions==4.12.2 - types-lxml==2024.8.7 + types-lxml==2024.9.16 types-Pygments==2.18.0.20240506 - botocore-stubs==1.34.158 - boto3-stubs[s3]==1.34.158 + botocore-stubs==1.35.39 + boto3-stubs[s3]==1.35.39 attrs >= 18.2.0 Pillow >= 10.3.0 pyOpenSSL >= 24.2.1 From c8e87ab21a216c546baa797b9a4e6fe27751a4d3 Mon Sep 17 00:00:00 2001 From: Julian Ste <31321934+julian-st@users.noreply.github.com> Date: Thu, 17 Oct 2024 17:03:16 +0200 Subject: [PATCH 280/786] Fixed typos (#6497) --- docs/faq.rst | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/docs/faq.rst b/docs/faq.rst index d394406e8..0b650f522 100644 --- a/docs/faq.rst +++ b/docs/faq.rst @@ -269,7 +269,7 @@ To dump into a CSV file:: scrapy crawl myspider -O items.csv -To dump into a XML file:: +To dump into an XML file:: scrapy crawl myspider -O items.xml @@ -417,8 +417,8 @@ How can I make a blank request? blank_request = Request("data:,") -In this case, the URL is set to a data URI scheme. Data URLs allow you to include data -in-line in web pages as if they were external resources. The "data:" scheme with an empty +In this case, the URL is set to a data URI scheme. Data URLs allow you to include data +inline within web pages, similar to external resources. The "data:" scheme with an empty content (",") essentially creates a request to a data URL without any specific content. From c9095ef927bc42e8f23c5d02c05a7b918f7aa5bf Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 17 Oct 2024 21:22:34 +0500 Subject: [PATCH 281/786] Remove --keep-runtime-typing from pyupgrade. --- .pre-commit-config.yaml | 4 +- scrapy/cmdline.py | 10 +-- scrapy/commands/__init__.py | 6 +- scrapy/commands/genspider.py | 8 +- scrapy/commands/parse.py | 22 +++--- scrapy/commands/runspider.py | 4 +- scrapy/commands/startproject.py | 5 +- scrapy/contracts/__init__.py | 12 ++- scrapy/contracts/default.py | 6 +- scrapy/core/downloader/__init__.py | 12 ++- scrapy/core/downloader/contextfactory.py | 6 +- scrapy/core/downloader/handlers/__init__.py | 12 +-- scrapy/core/downloader/handlers/ftp.py | 8 +- scrapy/core/downloader/handlers/http11.py | 62 ++++++++-------- scrapy/core/downloader/handlers/http2.py | 8 +- scrapy/core/downloader/handlers/s3.py | 8 +- scrapy/core/downloader/middleware.py | 14 ++-- scrapy/core/downloader/webclient.py | 6 +- scrapy/core/engine.py | 41 +++++------ scrapy/core/http2/agent.py | 10 +-- scrapy/core/http2/protocol.py | 8 +- scrapy/core/http2/stream.py | 4 +- scrapy/core/scheduler.py | 46 ++++++------ scrapy/core/scraper.py | 51 ++++++------- scrapy/core/spidermw.py | 56 +++++++------- scrapy/crawler.py | 40 +++++----- scrapy/downloadermiddlewares/ajaxcrawl.py | 4 +- scrapy/downloadermiddlewares/cookies.py | 8 +- .../downloadermiddlewares/defaultheaders.py | 4 +- .../downloadermiddlewares/downloadtimeout.py | 4 +- scrapy/downloadermiddlewares/httpauth.py | 4 +- scrapy/downloadermiddlewares/httpcache.py | 16 ++-- .../downloadermiddlewares/httpcompression.py | 10 +-- scrapy/downloadermiddlewares/httpproxy.py | 20 ++--- scrapy/downloadermiddlewares/redirect.py | 6 +- scrapy/downloadermiddlewares/retry.py | 18 ++--- scrapy/downloadermiddlewares/robotstxt.py | 22 +++--- scrapy/downloadermiddlewares/stats.py | 10 +-- scrapy/downloadermiddlewares/useragent.py | 4 +- scrapy/dupefilters.py | 12 +-- scrapy/exporters.py | 28 +++---- scrapy/extensions/corestats.py | 4 +- scrapy/extensions/debug.py | 6 +- scrapy/extensions/feedexport.py | 72 +++++++++--------- scrapy/extensions/httpcache.py | 26 +++---- scrapy/extensions/logstats.py | 6 +- scrapy/extensions/periodic_log.py | 14 ++-- scrapy/extensions/spiderstate.py | 6 +- scrapy/extensions/statsmailer.py | 4 +- scrapy/extensions/throttle.py | 6 +- scrapy/http/cookies.py | 12 +-- scrapy/http/headers.py | 14 ++-- scrapy/http/request/__init__.py | 33 ++++----- scrapy/http/request/form.py | 32 ++++---- scrapy/http/request/json_request.py | 6 +- scrapy/http/request/rpc.py | 6 +- scrapy/http/response/__init__.py | 66 ++++++++--------- scrapy/http/response/text.py | 73 +++++++++---------- scrapy/linkextractors/lxmlhtml.py | 28 +++---- scrapy/loader/__init__.py | 8 +- scrapy/logformatter.py | 14 ++-- scrapy/mail.py | 22 +++--- scrapy/middleware.py | 12 ++- scrapy/pipelines/files.py | 72 ++++++++---------- scrapy/pipelines/images.py | 24 +++--- scrapy/pipelines/media.py | 27 ++++--- scrapy/pqueues.py | 18 ++--- scrapy/resolver.py | 4 +- scrapy/responsetypes.py | 14 ++-- scrapy/robotstxt.py | 30 ++++---- scrapy/selector/unified.py | 16 ++-- scrapy/settings/__init__.py | 38 ++++------ scrapy/shell.py | 34 ++++----- scrapy/spidermiddlewares/httperror.py | 4 +- scrapy/spidermiddlewares/referer.py | 36 +++++---- scrapy/spiders/__init__.py | 10 +-- scrapy/spiders/crawl.py | 38 +++++----- scrapy/spiders/feed.py | 8 +- scrapy/spiders/init.py | 4 +- scrapy/spiders/sitemap.py | 14 ++-- scrapy/squeues.py | 14 ++-- scrapy/statscollectors.py | 30 ++++---- scrapy/utils/asyncgen.py | 8 +- scrapy/utils/conf.py | 12 +-- scrapy/utils/console.py | 8 +- scrapy/utils/curl.py | 6 +- scrapy/utils/datatypes.py | 14 ++-- scrapy/utils/defer.py | 16 ++-- scrapy/utils/deprecate.py | 14 ++-- scrapy/utils/httpobj.py | 6 +- scrapy/utils/iterators.py | 34 ++++----- scrapy/utils/job.py | 6 +- scrapy/utils/log.py | 14 ++-- scrapy/utils/misc.py | 6 +- scrapy/utils/ossignal.py | 2 + scrapy/utils/project.py | 5 +- scrapy/utils/python.py | 22 +++--- scrapy/utils/reactor.py | 8 +- scrapy/utils/request.py | 14 ++-- scrapy/utils/response.py | 12 +-- scrapy/utils/sitemap.py | 6 +- scrapy/utils/spider.py | 14 ++-- scrapy/utils/ssl.py | 4 +- scrapy/utils/template.py | 4 +- scrapy/utils/test.py | 8 +- scrapy/utils/testproc.py | 8 +- scrapy/utils/url.py | 4 +- .../CrawlerProcess/asyncio_deferred_signal.py | 5 +- tests/spiders.py | 13 ++-- tests/test_commands.py | 8 +- tests/test_downloader_handlers.py | 5 +- tests/test_feedexport.py | 4 +- tests/test_linkextractors.py | 5 +- tests/test_loader.py | 5 +- tests/test_pipeline_crawl.py | 7 +- tests/test_pipeline_images.py | 5 +- tests/test_pipeline_media.py | 4 +- tests/test_scheduler.py | 7 +- tests/test_scheduler_base.py | 5 +- tests/test_spidermiddleware.py | 17 +++-- tests/test_spidermiddleware_referer.py | 26 ++++--- tests/test_utils_request.py | 13 ++-- 122 files changed, 947 insertions(+), 981 deletions(-) diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml index 75529be05..fbd710f6f 100644 --- a/.pre-commit-config.yaml +++ b/.pre-commit-config.yaml @@ -30,7 +30,7 @@ repos: additional_dependencies: - black==24.4.2 - repo: https://github.com/asottile/pyupgrade - rev: v3.16.0 + rev: v3.18.0 hooks: - id: pyupgrade - args: [--py39-plus, --keep-runtime-typing] + args: [--py39-plus] diff --git a/scrapy/cmdline.py b/scrapy/cmdline.py index b820eb7f9..b6f19a37f 100644 --- a/scrapy/cmdline.py +++ b/scrapy/cmdline.py @@ -6,7 +6,7 @@ import inspect import os import sys from importlib.metadata import entry_points -from typing import TYPE_CHECKING, Optional +from typing import TYPE_CHECKING import scrapy from scrapy.commands import BaseRunSpiderCommand, ScrapyCommand, ScrapyHelpFormatter @@ -30,7 +30,7 @@ if TYPE_CHECKING: class ScrapyArgumentParser(argparse.ArgumentParser): def _parse_optional( self, arg_string: str - ) -> Optional[tuple[Optional[argparse.Action], str, Optional[str]]]: + ) -> tuple[argparse.Action | None, str, str | None] | None: # if starts with -: it means that is a parameter not a argument if arg_string[:2] == "-:": return None @@ -89,7 +89,7 @@ def _get_commands_dict( return cmds -def _pop_command_name(argv: list[str]) -> Optional[str]: +def _pop_command_name(argv: list[str]) -> str | None: i = 0 for arg in argv[1:]: if not arg.startswith("-"): @@ -147,9 +147,7 @@ def _run_print_help( sys.exit(2) -def execute( - argv: Optional[list[str]] = None, settings: Optional[Settings] = None -) -> None: +def execute(argv: list[str] | None = None, settings: Settings | None = None) -> None: if argv is None: argv = sys.argv diff --git a/scrapy/commands/__init__.py b/scrapy/commands/__init__.py index a94db90b1..eccbef040 100644 --- a/scrapy/commands/__init__.py +++ b/scrapy/commands/__init__.py @@ -8,7 +8,7 @@ import argparse import builtins import os from pathlib import Path -from typing import TYPE_CHECKING, Any, Optional +from typing import TYPE_CHECKING, Any from twisted.python import failure @@ -23,7 +23,7 @@ if TYPE_CHECKING: class ScrapyCommand: requires_project: bool = False - crawler_process: Optional[CrawlerProcess] = None + crawler_process: CrawlerProcess | None = None # default settings to be used for this command instead of global defaults default_settings: dict[str, Any] = {} @@ -195,7 +195,7 @@ class ScrapyHelpFormatter(argparse.HelpFormatter): prog: str, indent_increment: int = 2, max_help_position: int = 24, - width: Optional[int] = None, + width: int | None = None, ): super().__init__( prog, diff --git a/scrapy/commands/genspider.py b/scrapy/commands/genspider.py index 2ac281212..b286e703e 100644 --- a/scrapy/commands/genspider.py +++ b/scrapy/commands/genspider.py @@ -1,10 +1,12 @@ +from __future__ import annotations + import argparse import os import shutil import string from importlib import import_module from pathlib import Path -from typing import Any, Optional, Union, cast +from typing import Any, cast from urllib.parse import urlparse import scrapy @@ -140,7 +142,7 @@ class Command(ScrapyCommand): name: str, url: str, template_name: str, - template_file: Union[str, os.PathLike], + template_file: str | os.PathLike, ) -> None: """Generate the spider module, based on the given template""" tvars = self._generate_template_variables(module, name, url, template_name) @@ -161,7 +163,7 @@ class Command(ScrapyCommand): if spiders_module: print(f"in module:\n {spiders_module.__name__}.{module}") - def _find_template(self, template: str) -> Optional[Path]: + def _find_template(self, template: str) -> Path | None: template_file = Path(self.templates_dir, f"{template}.tmpl") if template_file.exists(): return template_file diff --git a/scrapy/commands/parse.py b/scrapy/commands/parse.py index ff2bb8ab9..2059dcf75 100644 --- a/scrapy/commands/parse.py +++ b/scrapy/commands/parse.py @@ -5,7 +5,7 @@ import functools import inspect import json import logging -from typing import TYPE_CHECKING, Any, Optional, TypeVar, Union, overload +from typing import TYPE_CHECKING, Any, TypeVar, overload from itemadapter import ItemAdapter, is_item from twisted.internet.defer import Deferred, maybeDeferred @@ -38,10 +38,10 @@ _T = TypeVar("_T") class Command(BaseRunSpiderCommand): requires_project = True - spider: Optional[Spider] = None + spider: Spider | None = None items: dict[int, list[Any]] = {} requests: dict[int, list[Request]] = {} - spidercls: Optional[type[Spider]] + spidercls: type[Spider] | None first_response = None @@ -137,13 +137,13 @@ class Command(BaseRunSpiderCommand): @overload def iterate_spider_output( - self, result: Union[AsyncGenerator[_T, None], Coroutine[Any, Any, _T]] + self, result: AsyncGenerator[_T] | Coroutine[Any, Any, _T] ) -> Deferred[_T]: ... @overload def iterate_spider_output(self, result: _T) -> Iterable[Any]: ... - def iterate_spider_output(self, result: Any) -> Union[Iterable[Any], Deferred[Any]]: + def iterate_spider_output(self, result: Any) -> Iterable[Any] | Deferred[Any]: if inspect.isasyncgen(result): d = deferred_from_coro( collect_asyncgen(aiter_errback(result, self.handle_exception)) @@ -164,7 +164,7 @@ class Command(BaseRunSpiderCommand): old_reqs = self.requests.get(lvl, []) self.requests[lvl] = old_reqs + new_reqs - def print_items(self, lvl: Optional[int] = None, colour: bool = True) -> None: + def print_items(self, lvl: int | None = None, colour: bool = True) -> None: if lvl is None: items = [item for lst in self.items.values() for item in lst] else: @@ -173,7 +173,7 @@ class Command(BaseRunSpiderCommand): print("# Scraped Items ", "-" * 60) display.pprint([ItemAdapter(x).asdict() for x in items], colorize=colour) - def print_requests(self, lvl: Optional[int] = None, colour: bool = True) -> None: + def print_requests(self, lvl: int | None = None, colour: bool = True) -> None: if lvl is None: if self.requests: requests = self.requests[max(self.requests)] @@ -222,7 +222,7 @@ class Command(BaseRunSpiderCommand): self, response: Response, callback: CallbackT, - cb_kwargs: Optional[dict[str, Any]] = None, + cb_kwargs: dict[str, Any] | None = None, ) -> Deferred[Any]: cb_kwargs = cb_kwargs or {} d = maybeDeferred(self.iterate_spider_output, callback(response, **cb_kwargs)) @@ -230,7 +230,7 @@ class Command(BaseRunSpiderCommand): def get_callback_from_rules( self, spider: Spider, response: Response - ) -> Union[CallbackT, str, None]: + ) -> CallbackT | str | None: if getattr(spider, "rules", None): for rule in spider.rules: # type: ignore[attr-defined] if rule.link_extractor.matches(response.url): @@ -303,9 +303,9 @@ class Command(BaseRunSpiderCommand): *, spider: Spider, opts: argparse.Namespace, - response: Optional[Response] = None, + response: Response | None = None, ) -> CallbackT: - cb: Union[str, CallbackT, None] = None + cb: str | CallbackT | None = None if response: cb = response.meta["_callback"] if not cb: diff --git a/scrapy/commands/runspider.py b/scrapy/commands/runspider.py index 14d58f311..7ec56899c 100644 --- a/scrapy/commands/runspider.py +++ b/scrapy/commands/runspider.py @@ -4,7 +4,7 @@ import argparse import sys from importlib import import_module from pathlib import Path -from typing import TYPE_CHECKING, Union +from typing import TYPE_CHECKING from scrapy.commands import BaseRunSpiderCommand from scrapy.exceptions import UsageError @@ -15,7 +15,7 @@ if TYPE_CHECKING: from types import ModuleType -def _import_file(filepath: Union[str, PathLike[str]]) -> ModuleType: +def _import_file(filepath: str | PathLike[str]) -> ModuleType: abspath = Path(filepath).resolve() if abspath.suffix not in (".py", ".pyw"): raise ValueError(f"Not a Python source file: {abspath}") diff --git a/scrapy/commands/startproject.py b/scrapy/commands/startproject.py index f7052cd18..f54c02369 100644 --- a/scrapy/commands/startproject.py +++ b/scrapy/commands/startproject.py @@ -1,3 +1,5 @@ +from __future__ import annotations + import argparse import os import re @@ -6,7 +8,6 @@ from importlib.util import find_spec from pathlib import Path from shutil import copy2, copystat, ignore_patterns, move from stat import S_IWUSR as OWNER_WRITE_PERMISSION -from typing import Union import scrapy from scrapy.commands import ScrapyCommand @@ -24,7 +25,7 @@ TEMPLATES_TO_RENDER: tuple[tuple[str, ...], ...] = ( IGNORE = ignore_patterns("*.pyc", "__pycache__", ".svn") -def _make_writable(path: Union[str, os.PathLike]) -> None: +def _make_writable(path: str | os.PathLike) -> None: current_permissions = os.stat(path).st_mode os.chmod(path, current_permissions | OWNER_WRITE_PERMISSION) diff --git a/scrapy/contracts/__init__.py b/scrapy/contracts/__init__.py index ffe5053de..c20c02ca6 100644 --- a/scrapy/contracts/__init__.py +++ b/scrapy/contracts/__init__.py @@ -6,7 +6,7 @@ from collections.abc import AsyncGenerator, Iterable from functools import wraps from inspect import getmembers from types import CoroutineType -from typing import TYPE_CHECKING, Any, Optional, cast +from typing import TYPE_CHECKING, Any, cast from unittest import TestCase, TestResult from scrapy.http import Request, Response @@ -24,7 +24,7 @@ if TYPE_CHECKING: class Contract: """Abstract class for contracts""" - request_cls: Optional[type[Request]] = None + request_cls: type[Request] | None = None name: str def __init__(self, method: Callable, *args: Any): @@ -126,10 +126,8 @@ class ContractsManager: return contracts - def from_spider( - self, spider: Spider, results: TestResult - ) -> list[Optional[Request]]: - requests: list[Optional[Request]] = [] + def from_spider(self, spider: Spider, results: TestResult) -> list[Request | None]: + requests: list[Request | None] = [] for method in self.tested_methods_from_spidercls(type(spider)): bound_method = spider.__getattribute__(method) try: @@ -140,7 +138,7 @@ class ContractsManager: return requests - def from_method(self, method: Callable, results: TestResult) -> Optional[Request]: + def from_method(self, method: Callable, results: TestResult) -> Request | None: contracts = self.extract_contracts(method) if contracts: request_cls = Request diff --git a/scrapy/contracts/default.py b/scrapy/contracts/default.py index 87170d3c1..6f357ba20 100644 --- a/scrapy/contracts/default.py +++ b/scrapy/contracts/default.py @@ -1,5 +1,7 @@ +from __future__ import annotations + import json -from typing import Any, Callable, Optional +from typing import Any, Callable from itemadapter import ItemAdapter, is_item @@ -63,7 +65,7 @@ class ReturnsContract(Contract): """ name = "returns" - object_type_verifiers: dict[Optional[str], Callable[[Any], bool]] = { + object_type_verifiers: dict[str | None, Callable[[Any], bool]] = { "request": lambda x: isinstance(x, Request), "requests": lambda x: isinstance(x, Request), "item": is_item, diff --git a/scrapy/core/downloader/__init__.py b/scrapy/core/downloader/__init__.py index 77d57a8d8..1cc0422b7 100644 --- a/scrapy/core/downloader/__init__.py +++ b/scrapy/core/downloader/__init__.py @@ -5,7 +5,7 @@ import warnings from collections import deque from datetime import datetime from time import time -from typing import TYPE_CHECKING, Any, Optional, TypeVar, Union, cast +from typing import TYPE_CHECKING, Any, TypeVar, cast from twisted.internet import task from twisted.internet.defer import Deferred @@ -37,7 +37,7 @@ class Slot: delay: float, randomize_delay: bool, *, - throttle: Optional[bool] = None, + throttle: bool | None = None, ): self.concurrency: int = concurrency self.delay: float = delay @@ -119,15 +119,13 @@ class Downloader: "DOWNLOAD_SLOTS", {} ) - def fetch( - self, request: Request, spider: Spider - ) -> Deferred[Union[Response, Request]]: + def fetch(self, request: Request, spider: Spider) -> Deferred[Response | Request]: def _deactivate(response: _T) -> _T: self.active.remove(request) return response self.active.add(request) - dfd: Deferred[Union[Response, Request]] = self.middleware.download( + dfd: Deferred[Response | Request] = self.middleware.download( self._enqueue_request, request, spider ) return dfd.addBoth(_deactivate) @@ -164,7 +162,7 @@ class Downloader: return key - def _get_slot_key(self, request: Request, spider: Optional[Spider]) -> str: + def _get_slot_key(self, request: Request, spider: Spider | None) -> str: warnings.warn( "Use of this protected method is deprecated. Consider using its corresponding public method get_slot_key() instead.", ScrapyDeprecationWarning, diff --git a/scrapy/core/downloader/contextfactory.py b/scrapy/core/downloader/contextfactory.py index ba20c3c2c..f80f832a7 100644 --- a/scrapy/core/downloader/contextfactory.py +++ b/scrapy/core/downloader/contextfactory.py @@ -1,7 +1,7 @@ from __future__ import annotations import warnings -from typing import TYPE_CHECKING, Any, Optional +from typing import TYPE_CHECKING, Any from OpenSSL import SSL from twisted.internet._sslverify import _setAcceptableProtocols @@ -49,7 +49,7 @@ class ScrapyClientContextFactory(BrowserLikePolicyForHTTPS): self, method: int = SSL.SSLv23_METHOD, tls_verbose_logging: bool = False, - tls_ciphers: Optional[str] = None, + tls_ciphers: str | None = None, *args: Any, **kwargs: Any, ): @@ -73,7 +73,7 @@ class ScrapyClientContextFactory(BrowserLikePolicyForHTTPS): tls_verbose_logging: bool = settings.getbool( "DOWNLOADER_CLIENT_TLS_VERBOSE_LOGGING" ) - tls_ciphers: Optional[str] = settings["DOWNLOADER_CLIENT_TLS_CIPHERS"] + tls_ciphers: str | None = settings["DOWNLOADER_CLIENT_TLS_CIPHERS"] return cls( # type: ignore[misc] method=method, tls_verbose_logging=tls_verbose_logging, diff --git a/scrapy/core/downloader/handlers/__init__.py b/scrapy/core/downloader/handlers/__init__.py index c39e480f1..218f44bbb 100644 --- a/scrapy/core/downloader/handlers/__init__.py +++ b/scrapy/core/downloader/handlers/__init__.py @@ -4,7 +4,7 @@ from __future__ import annotations import logging from collections.abc import Callable -from typing import TYPE_CHECKING, Any, Optional, Protocol, Union, cast +from typing import TYPE_CHECKING, Any, Protocol, cast from twisted.internet import defer @@ -35,16 +35,16 @@ class DownloadHandlerProtocol(Protocol): class DownloadHandlers: def __init__(self, crawler: Crawler): self._crawler: Crawler = crawler - self._schemes: dict[str, Union[str, Callable[..., Any]]] = ( + self._schemes: dict[str, str | Callable[..., Any]] = ( {} ) # stores acceptable schemes on instancing self._handlers: dict[str, DownloadHandlerProtocol] = ( {} ) # stores instanced handlers for schemes self._notconfigured: dict[str, str] = {} # remembers failed handlers - handlers: dict[str, Union[str, Callable[..., Any]]] = without_none_values( + handlers: dict[str, str | Callable[..., Any]] = without_none_values( cast( - dict[str, Union[str, Callable[..., Any]]], + "dict[str, str | Callable[..., Any]]", crawler.settings.getwithbase("DOWNLOAD_HANDLERS"), ) ) @@ -54,7 +54,7 @@ class DownloadHandlers: crawler.signals.connect(self._close, signals.engine_stopped) - def _get_handler(self, scheme: str) -> Optional[DownloadHandlerProtocol]: + def _get_handler(self, scheme: str) -> DownloadHandlerProtocol | None: """Lazy-load the downloadhandler for a scheme only on the first request for that scheme. """ @@ -70,7 +70,7 @@ class DownloadHandlers: def _load_handler( self, scheme: str, skip_lazy: bool = False - ) -> Optional[DownloadHandlerProtocol]: + ) -> DownloadHandlerProtocol | None: path = self._schemes[scheme] try: dhcls: type[DownloadHandlerProtocol] = load_object(path) diff --git a/scrapy/core/downloader/handlers/ftp.py b/scrapy/core/downloader/handlers/ftp.py index bc06c7ef4..70a769771 100644 --- a/scrapy/core/downloader/handlers/ftp.py +++ b/scrapy/core/downloader/handlers/ftp.py @@ -32,7 +32,7 @@ from __future__ import annotations import re from io import BytesIO -from typing import TYPE_CHECKING, Any, BinaryIO, Optional +from typing import TYPE_CHECKING, Any, BinaryIO from urllib.parse import unquote from twisted.internet.protocol import ClientCreator, Protocol @@ -56,8 +56,8 @@ if TYPE_CHECKING: class ReceivedDataProtocol(Protocol): - def __init__(self, filename: Optional[str] = None): - self.__filename: Optional[str] = filename + def __init__(self, filename: str | None = None): + self.__filename: str | None = filename self.body: BinaryIO = open(filename, "wb") if filename else BytesIO() self.size: int = 0 @@ -66,7 +66,7 @@ class ReceivedDataProtocol(Protocol): self.size += len(data) @property - def filename(self) -> Optional[str]: + def filename(self) -> str | None: return self.__filename def close(self) -> None: diff --git a/scrapy/core/downloader/handlers/http11.py b/scrapy/core/downloader/handlers/http11.py index f96dc7c98..bd3200e9f 100644 --- a/scrapy/core/downloader/handlers/http11.py +++ b/scrapy/core/downloader/handlers/http11.py @@ -8,7 +8,7 @@ import re from contextlib import suppress from io import BytesIO from time import time -from typing import TYPE_CHECKING, Any, Optional, TypedDict, TypeVar, Union +from typing import TYPE_CHECKING, Any, TypedDict, TypeVar from urllib.parse import urldefrag, urlunparse from twisted.internet import ssl @@ -52,10 +52,10 @@ _T = TypeVar("_T") class _ResultT(TypedDict): txresponse: TxResponse body: bytes - flags: Optional[list[str]] - certificate: Optional[ssl.Certificate] - ip_address: Union[ipaddress.IPv4Address, ipaddress.IPv6Address, None] - failure: NotRequired[Optional[Failure]] + flags: list[str] | None + certificate: ssl.Certificate | None + ip_address: ipaddress.IPv4Address | ipaddress.IPv6Address | None + failure: NotRequired[Failure | None] class HTTP11DownloadHandler: @@ -143,10 +143,10 @@ class TunnelingTCP4ClientEndpoint(TCP4ClientEndpoint): reactor: ReactorBase, host: str, port: int, - proxyConf: tuple[str, int, Optional[bytes]], + proxyConf: tuple[str, int, bytes | None], contextFactory: IPolicyForHTTPS, timeout: float = 30, - bindAddress: Optional[tuple[str, int]] = None, + bindAddress: tuple[str, int] | None = None, ): proxyHost, proxyPort, self._proxyAuthHeader = proxyConf super().__init__(reactor, proxyHost, proxyPort, timeout, bindAddress) @@ -220,7 +220,7 @@ class TunnelingTCP4ClientEndpoint(TCP4ClientEndpoint): def tunnel_request_data( - host: str, port: int, proxy_auth_header: Optional[bytes] = None + host: str, port: int, proxy_auth_header: bytes | None = None ) -> bytes: r""" Return binary content of a CONNECT request. @@ -254,14 +254,14 @@ class TunnelingAgent(Agent): self, *, reactor: ReactorBase, - proxyConf: tuple[str, int, Optional[bytes]], + proxyConf: tuple[str, int, bytes | None], contextFactory: IPolicyForHTTPS, - connectTimeout: Optional[float] = None, - bindAddress: Optional[bytes] = None, - pool: Optional[HTTPConnectionPool] = None, + connectTimeout: float | None = None, + bindAddress: bytes | None = None, + pool: HTTPConnectionPool | None = None, ): super().__init__(reactor, contextFactory, connectTimeout, bindAddress, pool) - self._proxyConf: tuple[str, int, Optional[bytes]] = proxyConf + self._proxyConf: tuple[str, int, bytes | None] = proxyConf self._contextFactory: IPolicyForHTTPS = contextFactory def _getEndpoint(self, uri: URI) -> TunnelingTCP4ClientEndpoint: @@ -281,8 +281,8 @@ class TunnelingAgent(Agent): endpoint: TCP4ClientEndpoint, method: bytes, parsedURI: bytes, - headers: Optional[TxHeaders], - bodyProducer: Optional[IBodyProducer], + headers: TxHeaders | None, + bodyProducer: IBodyProducer | None, requestPath: bytes, ) -> Deferred[TxResponse]: # proxy host and port are required for HTTP pool `key` @@ -305,9 +305,9 @@ class ScrapyProxyAgent(Agent): self, reactor: ReactorBase, proxyURI: bytes, - connectTimeout: Optional[float] = None, - bindAddress: Optional[bytes] = None, - pool: Optional[HTTPConnectionPool] = None, + connectTimeout: float | None = None, + bindAddress: bytes | None = None, + pool: HTTPConnectionPool | None = None, ): super().__init__( reactor=reactor, @@ -321,8 +321,8 @@ class ScrapyProxyAgent(Agent): self, method: bytes, uri: bytes, - headers: Optional[TxHeaders] = None, - bodyProducer: Optional[IBodyProducer] = None, + headers: TxHeaders | None = None, + bodyProducer: IBodyProducer | None = None, ) -> Deferred[TxResponse]: """ Issue a new request via the configured proxy. @@ -350,8 +350,8 @@ class ScrapyAgent: *, contextFactory: IPolicyForHTTPS, connectTimeout: float = 10, - bindAddress: Optional[bytes] = None, - pool: Optional[HTTPConnectionPool] = None, + bindAddress: bytes | None = None, + pool: HTTPConnectionPool | None = None, maxsize: int = 0, warnsize: int = 0, fail_on_dataloss: bool = True, @@ -359,12 +359,12 @@ class ScrapyAgent: ): self._contextFactory: IPolicyForHTTPS = contextFactory self._connectTimeout: float = connectTimeout - self._bindAddress: Optional[bytes] = bindAddress - self._pool: Optional[HTTPConnectionPool] = pool + self._bindAddress: bytes | None = bindAddress + self._pool: HTTPConnectionPool | None = pool self._maxsize: int = maxsize self._warnsize: int = warnsize self._fail_on_dataloss: bool = fail_on_dataloss - self._txresponse: Optional[TxResponse] = None + self._txresponse: TxResponse | None = None self._crawler: Crawler = crawler def _get_agent(self, request: Request, timeout: float) -> Agent: @@ -462,7 +462,7 @@ class ScrapyAgent: def _cb_bodyready( self, txresponse: TxResponse, request: Request - ) -> Union[_ResultT, Deferred[_ResultT]]: + ) -> _ResultT | Deferred[_ResultT]: headers_received_result = self._crawler.signals.send_catch_log( signal=signals.headers_received, headers=self._headers_from_twisted_response(txresponse), @@ -551,7 +551,7 @@ class ScrapyAgent: def _cb_bodydone( self, result: _ResultT, request: Request, url: str - ) -> Union[Response, Failure]: + ) -> Response | Failure: headers = self._headers_from_twisted_response(result["txresponse"]) respcls = responsetypes.from_args(headers=headers, url=url, body=result["body"]) try: @@ -614,14 +614,12 @@ class _ResponseReader(Protocol): self._fail_on_dataloss_warned: bool = False self._reached_warnsize: bool = False self._bytes_received: int = 0 - self._certificate: Optional[ssl.Certificate] = None - self._ip_address: Union[ipaddress.IPv4Address, ipaddress.IPv6Address, None] = ( - None - ) + self._certificate: ssl.Certificate | None = None + self._ip_address: ipaddress.IPv4Address | ipaddress.IPv6Address | None = None self._crawler: Crawler = crawler def _finish_response( - self, flags: Optional[list[str]] = None, failure: Optional[Failure] = None + self, flags: list[str] | None = None, failure: Failure | None = None ) -> None: self._finished.callback( { diff --git a/scrapy/core/downloader/handlers/http2.py b/scrapy/core/downloader/handlers/http2.py index 4722c612d..f0f9ceeb7 100644 --- a/scrapy/core/downloader/handlers/http2.py +++ b/scrapy/core/downloader/handlers/http2.py @@ -1,7 +1,7 @@ from __future__ import annotations from time import time -from typing import TYPE_CHECKING, Optional +from typing import TYPE_CHECKING from urllib.parse import urldefrag from twisted.internet.error import TimeoutError @@ -60,8 +60,8 @@ class ScrapyH2Agent: context_factory: IPolicyForHTTPS, pool: H2ConnectionPool, connect_timeout: int = 10, - bind_address: Optional[bytes] = None, - crawler: Optional[Crawler] = None, + bind_address: bytes | None = None, + crawler: Crawler | None = None, ) -> None: self._context_factory = context_factory self._connect_timeout = connect_timeout @@ -69,7 +69,7 @@ class ScrapyH2Agent: self._pool = pool self._crawler = crawler - def _get_agent(self, request: Request, timeout: Optional[float]) -> H2Agent: + def _get_agent(self, request: Request, timeout: float | None) -> H2Agent: from twisted.internet import reactor bind_address = request.meta.get("bindaddress") or self._bind_address diff --git a/scrapy/core/downloader/handlers/s3.py b/scrapy/core/downloader/handlers/s3.py index fa660c63c..870a26f04 100644 --- a/scrapy/core/downloader/handlers/s3.py +++ b/scrapy/core/downloader/handlers/s3.py @@ -1,6 +1,6 @@ from __future__ import annotations -from typing import TYPE_CHECKING, Any, Optional +from typing import TYPE_CHECKING, Any from scrapy.core.downloader.handlers.http import HTTPDownloadHandler from scrapy.exceptions import NotConfigured @@ -26,9 +26,9 @@ class S3DownloadHandler: settings: BaseSettings, *, crawler: Crawler, - aws_access_key_id: Optional[str] = None, - aws_secret_access_key: Optional[str] = None, - aws_session_token: Optional[str] = None, + aws_access_key_id: str | None = None, + aws_secret_access_key: str | None = None, + aws_session_token: str | None = None, httpdownloadhandler: type[HTTPDownloadHandler] = HTTPDownloadHandler, **kw: Any, ): diff --git a/scrapy/core/downloader/middleware.py b/scrapy/core/downloader/middleware.py index 00d3bd1b0..60e7adb2f 100644 --- a/scrapy/core/downloader/middleware.py +++ b/scrapy/core/downloader/middleware.py @@ -7,7 +7,7 @@ See documentation in docs/topics/downloader-middleware.rst from __future__ import annotations from collections.abc import Callable -from typing import TYPE_CHECKING, Any, Union, cast +from typing import TYPE_CHECKING, Any, cast from twisted.internet.defer import Deferred, inlineCallbacks @@ -46,11 +46,11 @@ class DownloaderMiddlewareManager(MiddlewareManager): download_func: Callable[[Request, Spider], Deferred[Response]], request: Request, spider: Spider, - ) -> Deferred[Union[Response, Request]]: + ) -> Deferred[Response | Request]: @inlineCallbacks def process_request( request: Request, - ) -> Generator[Deferred[Any], Any, Union[Response, Request]]: + ) -> Generator[Deferred[Any], Any, Response | Request]: for method in self.methods["process_request"]: method = cast(Callable, method) response = yield deferred_from_coro( @@ -69,8 +69,8 @@ class DownloaderMiddlewareManager(MiddlewareManager): @inlineCallbacks def process_response( - response: Union[Response, Request] - ) -> Generator[Deferred[Any], Any, Union[Response, Request]]: + response: Response | Request, + ) -> Generator[Deferred[Any], Any, Response | Request]: if response is None: raise TypeError("Received None in process_response") elif isinstance(response, Request): @@ -93,7 +93,7 @@ class DownloaderMiddlewareManager(MiddlewareManager): @inlineCallbacks def process_exception( failure: Failure, - ) -> Generator[Deferred[Any], Any, Union[Failure, Response, Request]]: + ) -> Generator[Deferred[Any], Any, Failure | Response | Request]: exception = failure.value for method in self.methods["process_exception"]: method = cast(Callable, method) @@ -111,7 +111,7 @@ class DownloaderMiddlewareManager(MiddlewareManager): return response return failure - deferred: Deferred[Union[Response, Request]] = mustbe_deferred( + deferred: Deferred[Response | Request] = mustbe_deferred( process_request, request ) deferred.addErrback(process_exception) diff --git a/scrapy/core/downloader/webclient.py b/scrapy/core/downloader/webclient.py index 509bda4e4..ee10ae73b 100644 --- a/scrapy/core/downloader/webclient.py +++ b/scrapy/core/downloader/webclient.py @@ -2,7 +2,7 @@ from __future__ import annotations import re from time import time -from typing import TYPE_CHECKING, Optional +from typing import TYPE_CHECKING from urllib.parse import ParseResult, urldefrag, urlparse, urlunparse from twisted.internet import defer @@ -144,9 +144,9 @@ class ScrapyHTTPClientFactory(ClientFactory): # converting to bytes to comply to Twisted interface self.url: bytes = to_bytes(self._url, encoding="ascii") self.method: bytes = to_bytes(request.method, encoding="ascii") - self.body: Optional[bytes] = request.body or None + self.body: bytes | None = request.body or None self.headers: Headers = Headers(request.headers) - self.response_headers: Optional[Headers] = None + self.response_headers: Headers | None = None self.timeout: float = request.meta.get("download_timeout") or timeout self.start_time: float = time() self.deferred: defer.Deferred[Response] = defer.Deferred().addCallback( diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index f3d74eccf..d056a00ba 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -9,7 +9,7 @@ from __future__ import annotations import logging from time import time -from typing import TYPE_CHECKING, Any, Optional, TypeVar, Union, cast +from typing import TYPE_CHECKING, Any, TypeVar, cast from itemadapter import is_item from twisted.internet.defer import Deferred, inlineCallbacks, succeed @@ -18,7 +18,7 @@ from twisted.python.failure import Failure from scrapy import signals from scrapy.core.downloader import Downloader -from scrapy.core.scraper import Scraper +from scrapy.core.scraper import Scraper, _HandleOutputDeferred from scrapy.exceptions import CloseSpider, DontCloseSpider, IgnoreRequest from scrapy.http import Request, Response from scrapy.logformatter import LogFormatter @@ -32,7 +32,6 @@ if TYPE_CHECKING: from collections.abc import Callable, Generator, Iterable, Iterator from scrapy.core.scheduler import BaseScheduler - from scrapy.core.scraper import _HandleOutputDeferred from scrapy.crawler import Crawler from scrapy.settings import BaseSettings from scrapy.spiders import Spider @@ -51,9 +50,9 @@ class Slot: nextcall: CallLaterOnce[None], scheduler: BaseScheduler, ) -> None: - self.closing: Optional[Deferred[None]] = None + self.closing: Deferred[None] | None = None self.inprogress: set[Request] = set() - self.start_requests: Optional[Iterator[Request]] = iter(start_requests) + self.start_requests: Iterator[Request] | None = iter(start_requests) self.close_if_idle: bool = close_if_idle self.nextcall: CallLaterOnce[None] = nextcall self.scheduler: BaseScheduler = scheduler @@ -84,15 +83,15 @@ class ExecutionEngine: def __init__( self, crawler: Crawler, - spider_closed_callback: Callable[[Spider], Optional[Deferred[None]]], + spider_closed_callback: Callable[[Spider], Deferred[None] | None], ) -> None: self.crawler: Crawler = crawler self.settings: Settings = crawler.settings self.signals: SignalManager = crawler.signals assert crawler.logformatter self.logformatter: LogFormatter = crawler.logformatter - self.slot: Optional[Slot] = None - self.spider: Optional[Spider] = None + self.slot: Slot | None = None + self.spider: Spider | None = None self.running: bool = False self.paused: bool = False self.scheduler_cls: type[BaseScheduler] = self._get_scheduler_class( @@ -101,10 +100,10 @@ class ExecutionEngine: downloader_cls: type[Downloader] = load_object(self.settings["DOWNLOADER"]) self.downloader: Downloader = downloader_cls(crawler) self.scraper: Scraper = Scraper(crawler) - self._spider_closed_callback: Callable[[Spider], Optional[Deferred[None]]] = ( + self._spider_closed_callback: Callable[[Spider], Deferred[None] | None] = ( spider_closed_callback ) - self.start_time: Optional[float] = None + self.start_time: float | None = None def _get_scheduler_class(self, settings: BaseSettings) -> type[BaseScheduler]: from scrapy.core.scheduler import BaseScheduler @@ -218,7 +217,7 @@ class ExecutionEngine: or self.scraper.slot.needs_backout() ) - def _next_request_from_scheduler(self) -> Optional[Deferred[None]]: + def _next_request_from_scheduler(self) -> Deferred[None] | None: assert self.slot is not None # typing assert self.spider is not None # typing @@ -226,7 +225,7 @@ class ExecutionEngine: if request is None: return None - d: Deferred[Union[Response, Request]] = self._download(request) + d: Deferred[Response | Request] = self._download(request) d.addBoth(self._handle_downloader_output, request) d.addErrback( lambda f: logger.info( @@ -260,8 +259,8 @@ class ExecutionEngine: return d2 def _handle_downloader_output( - self, result: Union[Request, Response, Failure], request: Request - ) -> Optional[_HandleOutputDeferred]: + self, result: Request | Response | Failure, request: Request + ) -> _HandleOutputDeferred | None: assert self.spider is not None # typing if not isinstance(result, (Request, Response, Failure)): @@ -323,24 +322,24 @@ class ExecutionEngine: """Return a Deferred which fires with a Response as result, only downloader middlewares are applied""" if self.spider is None: raise RuntimeError(f"No open spider to crawl: {request}") - d: Deferred[Union[Response, Request]] = self._download(request) + d: Deferred[Response | Request] = self._download(request) # Deferred.addBoth() overloads don't seem to support a Union[_T, Deferred[_T]] return type d2: Deferred[Response] = d.addBoth(self._downloaded, request) # type: ignore[call-overload] return d2 def _downloaded( - self, result: Union[Response, Request, Failure], request: Request - ) -> Union[Deferred[Response], Response, Failure]: + self, result: Response | Request | Failure, request: Request + ) -> Deferred[Response] | Response | Failure: assert self.slot is not None # typing self.slot.remove_request(request) return self.download(result) if isinstance(result, Request) else result - def _download(self, request: Request) -> Deferred[Union[Response, Request]]: + def _download(self, request: Request) -> Deferred[Response | Request]: assert self.slot is not None # typing self.slot.add_request(request) - def _on_success(result: Union[Response, Request]) -> Union[Response, Request]: + def _on_success(result: Response | Request) -> Response | Request: if not isinstance(result, (Response, Request)): raise TypeError( f"Incorrect type: expected Response or Request, got {type(result)}: {result!r}" @@ -368,9 +367,7 @@ class ExecutionEngine: return _ assert self.spider is not None - dwld: Deferred[Union[Response, Request]] = self.downloader.fetch( - request, self.spider - ) + dwld: Deferred[Response | Request] = self.downloader.fetch(request, self.spider) dwld.addCallback(_on_success) dwld.addBoth(_on_complete) return dwld diff --git a/scrapy/core/http2/agent.py b/scrapy/core/http2/agent.py index b5ff55eb0..45f32daaa 100644 --- a/scrapy/core/http2/agent.py +++ b/scrapy/core/http2/agent.py @@ -1,7 +1,7 @@ from __future__ import annotations from collections import deque -from typing import TYPE_CHECKING, Optional +from typing import TYPE_CHECKING from twisted.internet import defer from twisted.internet.defer import Deferred @@ -121,8 +121,8 @@ class H2Agent: reactor: ReactorBase, pool: H2ConnectionPool, context_factory: BrowserLikePolicyForHTTPS = BrowserLikePolicyForHTTPS(), - connect_timeout: Optional[float] = None, - bind_address: Optional[bytes] = None, + connect_timeout: float | None = None, + bind_address: bytes | None = None, ) -> None: self._reactor = reactor self._pool = pool @@ -165,8 +165,8 @@ class ScrapyProxyH2Agent(H2Agent): proxy_uri: URI, pool: H2ConnectionPool, context_factory: BrowserLikePolicyForHTTPS = BrowserLikePolicyForHTTPS(), - connect_timeout: Optional[float] = None, - bind_address: Optional[bytes] = None, + connect_timeout: float | None = None, + bind_address: bytes | None = None, ) -> None: super().__init__( reactor=reactor, diff --git a/scrapy/core/http2/protocol.py b/scrapy/core/http2/protocol.py index 618423218..23335b7b2 100644 --- a/scrapy/core/http2/protocol.py +++ b/scrapy/core/http2/protocol.py @@ -4,7 +4,7 @@ import ipaddress import itertools import logging from collections import deque -from typing import TYPE_CHECKING, Any, Optional, Union +from typing import TYPE_CHECKING, Any from h2.config import H2Configuration from h2.connection import H2Connection @@ -63,7 +63,7 @@ class InvalidNegotiatedProtocol(H2Error): class RemoteTerminatedConnection(H2Error): def __init__( self, - remote_ip_address: Optional[Union[IPv4Address, IPv6Address]], + remote_ip_address: IPv4Address | IPv6Address | None, event: ConnectionTerminated, ) -> None: self.remote_ip_address = remote_ip_address @@ -74,9 +74,7 @@ class RemoteTerminatedConnection(H2Error): class MethodNotAllowed405(H2Error): - def __init__( - self, remote_ip_address: Optional[Union[IPv4Address, IPv6Address]] - ) -> None: + def __init__(self, remote_ip_address: IPv4Address | IPv6Address | None) -> None: self.remote_ip_address = remote_ip_address def __str__(self) -> str: diff --git a/scrapy/core/http2/stream.py b/scrapy/core/http2/stream.py index 51ebdf489..a4dc89c18 100644 --- a/scrapy/core/http2/stream.py +++ b/scrapy/core/http2/stream.py @@ -3,7 +3,7 @@ from __future__ import annotations import logging from enum import Enum from io import BytesIO -from typing import TYPE_CHECKING, Any, Optional +from typing import TYPE_CHECKING, Any from h2.errors import ErrorCodes from h2.exceptions import H2Error, ProtocolError, StreamClosedError @@ -382,7 +382,7 @@ class Stream: def close( self, reason: StreamCloseReason, - errors: Optional[list[BaseException]] = None, + errors: list[BaseException] | None = None, from_protocol: bool = False, ) -> None: """Based on the reason sent we will handle each case.""" diff --git a/scrapy/core/scheduler.py b/scrapy/core/scheduler.py index ced18fc05..bebee1236 100644 --- a/scrapy/core/scheduler.py +++ b/scrapy/core/scheduler.py @@ -4,7 +4,7 @@ import json import logging from abc import abstractmethod from pathlib import Path -from typing import TYPE_CHECKING, Any, Optional, cast +from typing import TYPE_CHECKING, Any, cast # working around https://github.com/sphinx-doc/sphinx/issues/10400 from twisted.internet.defer import Deferred # noqa: TC002 @@ -73,7 +73,7 @@ class BaseScheduler(metaclass=BaseSchedulerMeta): """ return cls() - def open(self, spider: Spider) -> Optional[Deferred[None]]: + def open(self, spider: Spider) -> Deferred[None] | None: """ Called when the spider is opened by the engine. It receives the spider instance as argument and it's useful to execute initialization code. @@ -83,7 +83,7 @@ class BaseScheduler(metaclass=BaseSchedulerMeta): """ pass - def close(self, reason: str) -> Optional[Deferred[None]]: + def close(self, reason: str) -> Deferred[None] | None: """ Called when the spider is closed by the engine. It receives the reason why the crawl finished as argument and it's useful to execute cleaning code. @@ -115,7 +115,7 @@ class BaseScheduler(metaclass=BaseSchedulerMeta): raise NotImplementedError() @abstractmethod - def next_request(self) -> Optional[Request]: + def next_request(self) -> Request | None: """ Return the next :class:`~scrapy.http.Request` to be processed, or ``None`` to indicate that there are no requests to be considered ready at the moment. @@ -181,22 +181,22 @@ class Scheduler(BaseScheduler): def __init__( self, dupefilter: BaseDupeFilter, - jobdir: Optional[str] = None, - dqclass: Optional[type[BaseQueue]] = None, - mqclass: Optional[type[BaseQueue]] = None, + jobdir: str | None = None, + dqclass: type[BaseQueue] | None = None, + mqclass: type[BaseQueue] | None = None, logunser: bool = False, - stats: Optional[StatsCollector] = None, - pqclass: Optional[type[ScrapyPriorityQueue]] = None, - crawler: Optional[Crawler] = None, + stats: StatsCollector | None = None, + pqclass: type[ScrapyPriorityQueue] | None = None, + crawler: Crawler | None = None, ): self.df: BaseDupeFilter = dupefilter - self.dqdir: Optional[str] = self._dqdir(jobdir) - self.pqclass: Optional[type[ScrapyPriorityQueue]] = pqclass - self.dqclass: Optional[type[BaseQueue]] = dqclass - self.mqclass: Optional[type[BaseQueue]] = mqclass + self.dqdir: str | None = self._dqdir(jobdir) + self.pqclass: type[ScrapyPriorityQueue] | None = pqclass + self.dqclass: type[BaseQueue] | None = dqclass + self.mqclass: type[BaseQueue] | None = mqclass self.logunser: bool = logunser - self.stats: Optional[StatsCollector] = stats - self.crawler: Optional[Crawler] = crawler + self.stats: StatsCollector | None = stats + self.crawler: Crawler | None = crawler @classmethod def from_crawler(cls, crawler: Crawler) -> Self: @@ -218,7 +218,7 @@ class Scheduler(BaseScheduler): def has_pending_requests(self) -> bool: return len(self) > 0 - def open(self, spider: Spider) -> Optional[Deferred[None]]: + def open(self, spider: Spider) -> Deferred[None] | None: """ (1) initialize the memory queue (2) initialize the disk queue if the ``jobdir`` attribute is a valid directory @@ -226,10 +226,10 @@ class Scheduler(BaseScheduler): """ self.spider: Spider = spider self.mqs: ScrapyPriorityQueue = self._mq() - self.dqs: Optional[ScrapyPriorityQueue] = self._dq() if self.dqdir else None + self.dqs: ScrapyPriorityQueue | None = self._dq() if self.dqdir else None return self.df.open() - def close(self, reason: str) -> Optional[Deferred[None]]: + def close(self, reason: str) -> Deferred[None] | None: """ (1) dump pending requests to disk if there is a disk queue (2) return the result of the dupefilter's ``close`` method @@ -263,7 +263,7 @@ class Scheduler(BaseScheduler): self.stats.inc_value("scheduler/enqueued", spider=self.spider) return True - def next_request(self) -> Optional[Request]: + def next_request(self) -> Request | None: """ Return a :class:`~scrapy.http.Request` object from the memory queue, falling back to the disk queue if the memory queue is empty. @@ -272,7 +272,7 @@ class Scheduler(BaseScheduler): Increment the appropriate stats, such as: ``scheduler/dequeued``, ``scheduler/dequeued/disk``, ``scheduler/dequeued/memory``. """ - request: Optional[Request] = self.mqs.pop() + request: Request | None = self.mqs.pop() assert self.stats is not None if request is not None: self.stats.inc_value("scheduler/dequeued/memory", spider=self.spider) @@ -318,7 +318,7 @@ class Scheduler(BaseScheduler): def _mqpush(self, request: Request) -> None: self.mqs.push(request) - def _dqpop(self) -> Optional[Request]: + def _dqpop(self) -> Request | None: if self.dqs is not None: return self.dqs.pop() return None @@ -355,7 +355,7 @@ class Scheduler(BaseScheduler): ) return q - def _dqdir(self, jobdir: Optional[str]) -> Optional[str]: + def _dqdir(self, jobdir: str | None) -> str | None: """Return a folder name to keep disk queue state at""" if jobdir: dqdir = Path(jobdir, "requests.queue") diff --git a/scrapy/core/scraper.py b/scrapy/core/scraper.py index 71a0d6aeb..83dad0c0b 100644 --- a/scrapy/core/scraper.py +++ b/scrapy/core/scraper.py @@ -6,7 +6,7 @@ from __future__ import annotations import logging from collections import deque from collections.abc import AsyncIterable, Iterator -from typing import TYPE_CHECKING, Any, Optional, TypeVar, Union, cast +from typing import TYPE_CHECKING, Any, TypeVar, Union, cast from itemadapter import is_item from twisted.internet.defer import Deferred, inlineCallbacks @@ -42,11 +42,8 @@ logger = logging.getLogger(__name__) _T = TypeVar("_T") _ParallelResult = list[tuple[bool, Iterator[Any]]] - -if TYPE_CHECKING: - # parameterized Deferreds require Twisted 21.7.0 - _HandleOutputDeferred = Deferred[Union[_ParallelResult, None]] - QueueTuple = tuple[Union[Response, Failure], Request, _HandleOutputDeferred] +_HandleOutputDeferred = Deferred[Union[_ParallelResult, None]] +QueueTuple = tuple[Union[Response, Failure], Request, _HandleOutputDeferred] class Slot: @@ -60,10 +57,10 @@ class Slot: self.active: set[Request] = set() self.active_size: int = 0 self.itemproc_size: int = 0 - self.closing: Optional[Deferred[Spider]] = None + self.closing: Deferred[Spider] | None = None def add_response_request( - self, result: Union[Response, Failure], request: Request + self, result: Response | Failure, request: Request ) -> _HandleOutputDeferred: deferred: _HandleOutputDeferred = Deferred() self.queue.append((result, request, deferred)) @@ -78,9 +75,7 @@ class Slot: self.active.add(request) return response, request, deferred - def finish_response( - self, result: Union[Response, Failure], request: Request - ) -> None: + def finish_response(self, result: Response | Failure, request: Request) -> None: self.active.remove(request) if isinstance(result, Response): self.active_size -= max(len(result.body), self.MIN_RESPONSE_SIZE) @@ -96,7 +91,7 @@ class Slot: class Scraper: def __init__(self, crawler: Crawler) -> None: - self.slot: Optional[Slot] = None + self.slot: Slot | None = None self.spidermw: SpiderMiddlewareManager = SpiderMiddlewareManager.from_crawler( crawler ) @@ -135,7 +130,7 @@ class Scraper: self.slot.closing.callback(spider) def enqueue_scrape( - self, result: Union[Response, Failure], request: Request, spider: Spider + self, result: Response | Failure, request: Request, spider: Spider ) -> _HandleOutputDeferred: if self.slot is None: raise RuntimeError("Scraper slot not assigned") @@ -167,7 +162,7 @@ class Scraper: self._scrape(response, request, spider).chainDeferred(deferred) def _scrape( - self, result: Union[Response, Failure], request: Request, spider: Spider + self, result: Response | Failure, request: Request, spider: Spider ) -> _HandleOutputDeferred: """ Handle the downloaded response or failure through the spider callback/errback @@ -176,7 +171,7 @@ class Scraper: raise TypeError( f"Incorrect type: expected Response or Failure, got {type(result)}: {result!r}" ) - dfd: Deferred[Union[Iterable[Any], AsyncIterable[Any]]] = self._scrape2( + dfd: Deferred[Iterable[Any] | AsyncIterable[Any]] = self._scrape2( result, request, spider ) # returns spider's processed output dfd.addErrback(self.handle_spider_error, request, result, spider) @@ -186,8 +181,8 @@ class Scraper: return dfd2 def _scrape2( - self, result: Union[Response, Failure], request: Request, spider: Spider - ) -> Deferred[Union[Iterable[Any], AsyncIterable[Any]]]: + self, result: Response | Failure, request: Request, spider: Spider + ) -> Deferred[Iterable[Any] | AsyncIterable[Any]]: """ Handle the different cases of request's result been a Response or a Failure """ @@ -202,8 +197,8 @@ class Scraper: return dfd def call_spider( - self, result: Union[Response, Failure], request: Request, spider: Spider - ) -> Deferred[Union[Iterable[Any], AsyncIterable[Any]]]: + self, result: Response | Failure, request: Request, spider: Spider + ) -> Deferred[Iterable[Any] | AsyncIterable[Any]]: dfd: Deferred[Any] if isinstance(result, Response): if getattr(result, "request", None) is None: @@ -222,7 +217,7 @@ class Scraper: if request.errback: warn_on_generator_with_return_value(spider, request.errback) dfd.addErrback(request.errback) - dfd2: Deferred[Union[Iterable[Any], AsyncIterable[Any]]] = dfd.addCallback( + dfd2: Deferred[Iterable[Any] | AsyncIterable[Any]] = dfd.addCallback( iterate_spider_output ) return dfd2 @@ -231,7 +226,7 @@ class Scraper: self, _failure: Failure, request: Request, - response: Union[Response, Failure], + response: Response | Failure, spider: Spider, ) -> None: exc = _failure.value @@ -258,14 +253,14 @@ class Scraper: def handle_spider_output( self, - result: Union[Iterable[_T], AsyncIterable[_T]], + result: Iterable[_T] | AsyncIterable[_T], request: Request, response: Response, spider: Spider, ) -> _HandleOutputDeferred: if not result: return defer_succeed(None) - it: Union[Iterable[_T], AsyncIterable[_T]] + it: Iterable[_T] | AsyncIterable[_T] dfd: Deferred[_ParallelResult] if isinstance(result, AsyncIterable): it = aiter_errback( @@ -296,7 +291,7 @@ class Scraper: def _process_spidermw_output( self, output: Any, request: Request, response: Response, spider: Spider - ) -> Optional[Deferred[Any]]: + ) -> Deferred[Any] | None: """Process each Request/Item (given in the output parameter) returned from the given spider """ @@ -316,9 +311,7 @@ class Scraper: ) return None - def start_itemproc( - self, item: Any, *, response: Optional[Response] - ) -> Deferred[Any]: + def start_itemproc(self, item: Any, *, response: Response | None) -> Deferred[Any]: """Send *item* to the item pipelines for processing. *response* is the source of the item data. If the item does not come @@ -337,7 +330,7 @@ class Scraper: download_failure: Failure, request: Request, spider: Spider, - ) -> Union[Failure, None]: + ) -> Failure | None: """Log and silence errors that come from the engine (typically download errors that got propagated thru here). @@ -371,7 +364,7 @@ class Scraper: return None def _itemproc_finished( - self, output: Any, item: Any, response: Optional[Response], spider: Spider + self, output: Any, item: Any, response: Response | None, spider: Spider ) -> Deferred[Any]: """ItemProcessor finished for the given ``item`` and returned ``output``""" assert self.slot is not None # typing diff --git a/scrapy/core/spidermw.py b/scrapy/core/spidermw.py index 3c8513042..1edfe1c51 100644 --- a/scrapy/core/spidermw.py +++ b/scrapy/core/spidermw.py @@ -10,7 +10,7 @@ import logging from collections.abc import AsyncIterable, Callable, Iterable from inspect import isasyncgenfunction, iscoroutine from itertools import islice -from typing import TYPE_CHECKING, Any, Optional, TypeVar, Union, cast +from typing import TYPE_CHECKING, Any, TypeVar, Union, cast from twisted.internet.defer import Deferred, inlineCallbacks from twisted.python.failure import Failure @@ -76,7 +76,7 @@ class SpiderMiddlewareManager(MiddlewareManager): response: Response, request: Request, spider: Spider, - ) -> Union[Iterable[_T], AsyncIterable[_T]]: + ) -> Iterable[_T] | AsyncIterable[_T]: for method in self.methods["process_spider_input"]: method = cast(Callable, method) try: @@ -97,10 +97,10 @@ class SpiderMiddlewareManager(MiddlewareManager): self, response: Response, spider: Spider, - iterable: Union[Iterable[_T], AsyncIterable[_T]], + iterable: Iterable[_T] | AsyncIterable[_T], exception_processor_index: int, - recover_to: Union[MutableChain[_T], MutableAsyncChain[_T]], - ) -> Union[Iterable[_T], AsyncIterable[_T]]: + recover_to: MutableChain[_T] | MutableAsyncChain[_T], + ) -> Iterable[_T] | AsyncIterable[_T]: def process_sync(iterable: Iterable[_T]) -> Iterable[_T]: try: yield from iterable @@ -142,7 +142,7 @@ class SpiderMiddlewareManager(MiddlewareManager): spider: Spider, _failure: Failure, start_index: int = 0, - ) -> Union[Failure, MutableChain[_T], MutableAsyncChain[_T]]: + ) -> Failure | MutableChain[_T] | MutableAsyncChain[_T]: exception = _failure.value # don't handle _InvalidOutput exception if isinstance(exception, _InvalidOutput): @@ -158,7 +158,7 @@ class SpiderMiddlewareManager(MiddlewareManager): if _isiterable(result): # stop exception handling by handing control over to the # process_spider_output chain if an iterable has been returned - dfd: Deferred[Union[MutableChain[_T], MutableAsyncChain[_T]]] = ( + dfd: Deferred[MutableChain[_T] | MutableAsyncChain[_T]] = ( self._process_spider_output( response, spider, result, method_index + 1 ) @@ -192,12 +192,12 @@ class SpiderMiddlewareManager(MiddlewareManager): self, response: Response, spider: Spider, - result: Union[Iterable[_T], AsyncIterable[_T]], + result: Iterable[_T] | AsyncIterable[_T], start_index: int = 0, - ) -> Generator[Deferred[Any], Any, Union[MutableChain[_T], MutableAsyncChain[_T]]]: + ) -> Generator[Deferred[Any], Any, MutableChain[_T] | MutableAsyncChain[_T]]: # items in this iterable do not need to go through the process_spider_output # chain, they went through it already from the process_spider_exception method - recovered: Union[MutableChain[_T], MutableAsyncChain[_T]] + recovered: MutableChain[_T] | MutableAsyncChain[_T] last_result_is_async = isinstance(result, AsyncIterable) if last_result_is_async: recovered = MutableAsyncChain() @@ -248,10 +248,10 @@ class SpiderMiddlewareManager(MiddlewareManager): # might fail directly if the output value is not a generator result = method(response=response, result=result, spider=spider) except Exception as ex: - exception_result: Union[ - Failure, MutableChain[_T], MutableAsyncChain[_T] - ] = self._process_spider_exception( - response, spider, Failure(ex), method_index + 1 + exception_result: Failure | MutableChain[_T] | MutableAsyncChain[_T] = ( + self._process_spider_exception( + response, spider, Failure(ex), method_index + 1 + ) ) if isinstance(exception_result, Failure): raise @@ -283,9 +283,9 @@ class SpiderMiddlewareManager(MiddlewareManager): self, response: Response, spider: Spider, - result: Union[Iterable[_T], AsyncIterable[_T]], - ) -> Union[MutableChain[_T], MutableAsyncChain[_T]]: - recovered: Union[MutableChain[_T], MutableAsyncChain[_T]] + result: Iterable[_T] | AsyncIterable[_T], + ) -> MutableChain[_T] | MutableAsyncChain[_T]: + recovered: MutableChain[_T] | MutableAsyncChain[_T] if isinstance(result, AsyncIterable): recovered = MutableAsyncChain() else: @@ -293,7 +293,7 @@ class SpiderMiddlewareManager(MiddlewareManager): result = self._evaluate_iterable(response, spider, result, 0, recovered) result = await maybe_deferred_to_future( cast( - "Deferred[Union[Iterable[_T], AsyncIterable[_T]]]", + "Deferred[Iterable[_T] | AsyncIterable[_T]]", self._process_spider_output(response, spider, result), ) ) @@ -310,22 +310,22 @@ class SpiderMiddlewareManager(MiddlewareManager): response: Response, request: Request, spider: Spider, - ) -> Deferred[Union[MutableChain[_T], MutableAsyncChain[_T]]]: + ) -> Deferred[MutableChain[_T] | MutableAsyncChain[_T]]: async def process_callback_output( - result: Union[Iterable[_T], AsyncIterable[_T]] - ) -> Union[MutableChain[_T], MutableAsyncChain[_T]]: + result: Iterable[_T] | AsyncIterable[_T], + ) -> MutableChain[_T] | MutableAsyncChain[_T]: return await self._process_callback_output(response, spider, result) def process_spider_exception( _failure: Failure, - ) -> Union[Failure, MutableChain[_T], MutableAsyncChain[_T]]: + ) -> Failure | MutableChain[_T] | MutableAsyncChain[_T]: return self._process_spider_exception(response, spider, _failure) - dfd: Deferred[Union[Iterable[_T], AsyncIterable[_T]]] = mustbe_deferred( + dfd: Deferred[Iterable[_T] | AsyncIterable[_T]] = mustbe_deferred( self._process_spider_input, scrape_func, response, request, spider ) - dfd2: Deferred[Union[MutableChain[_T], MutableAsyncChain[_T]]] = ( - dfd.addCallback(deferred_f_from_coro_f(process_callback_output)) + dfd2: Deferred[MutableChain[_T] | MutableAsyncChain[_T]] = dfd.addCallback( + deferred_f_from_coro_f(process_callback_output) ) dfd2.addErrback(process_spider_exception) return dfd2 @@ -339,10 +339,10 @@ class SpiderMiddlewareManager(MiddlewareManager): @staticmethod def _get_async_method_pair( mw: Any, methodname: str - ) -> Union[None, Callable, tuple[Callable, Callable]]: - normal_method: Optional[Callable] = getattr(mw, methodname, None) + ) -> None | Callable | tuple[Callable, Callable]: + normal_method: Callable | None = getattr(mw, methodname, None) methodname_async = methodname + "_async" - async_method: Optional[Callable] = getattr(mw, methodname_async, None) + async_method: Callable | None = getattr(mw, methodname_async, None) if not async_method: return normal_method if not normal_method: diff --git a/scrapy/crawler.py b/scrapy/crawler.py index e75ef52ac..701dccf57 100644 --- a/scrapy/crawler.py +++ b/scrapy/crawler.py @@ -4,7 +4,7 @@ import logging import pprint import signal import warnings -from typing import TYPE_CHECKING, Any, Optional, TypeVar, Union, cast +from typing import TYPE_CHECKING, Any, TypeVar, cast from twisted.internet.defer import ( Deferred, @@ -57,7 +57,7 @@ class Crawler: def __init__( self, spidercls: type[Spider], - settings: Union[None, dict[str, Any], Settings] = None, + settings: None | dict[str, Any] | Settings = None, init_reactor: bool = False, ): if isinstance(spidercls, Spider): @@ -78,12 +78,12 @@ class Crawler: self.crawling: bool = False self._started: bool = False - self.extensions: Optional[ExtensionManager] = None - self.stats: Optional[StatsCollector] = None - self.logformatter: Optional[LogFormatter] = None - self.request_fingerprinter: Optional[RequestFingerprinter] = None - self.spider: Optional[Spider] = None - self.engine: Optional[ExecutionEngine] = None + self.extensions: ExtensionManager | None = None + self.stats: StatsCollector | None = None + self.logformatter: LogFormatter | None = None + self.request_fingerprinter: RequestFingerprinter | None = None + self.spider: Spider | None = None + self.engine: ExecutionEngine | None = None def _update_root_log_handler(self) -> None: if get_scrapy_root_handler() is not None: @@ -181,16 +181,16 @@ class Crawler: @staticmethod def _get_component( component_class: type[_T], components: Iterable[Any] - ) -> Optional[_T]: + ) -> _T | None: for component in components: if isinstance(component, component_class): return component return None - def get_addon(self, cls: type[_T]) -> Optional[_T]: + def get_addon(self, cls: type[_T]) -> _T | None: return self._get_component(cls, self.addons.addons) - def get_downloader_middleware(self, cls: type[_T]) -> Optional[_T]: + def get_downloader_middleware(self, cls: type[_T]) -> _T | None: if not self.engine: raise RuntimeError( "Crawler.get_downloader_middleware() can only be called after " @@ -198,7 +198,7 @@ class Crawler: ) return self._get_component(cls, self.engine.downloader.middleware.middlewares) - def get_extension(self, cls: type[_T]) -> Optional[_T]: + def get_extension(self, cls: type[_T]) -> _T | None: if not self.extensions: raise RuntimeError( "Crawler.get_extension() can only be called after the " @@ -206,7 +206,7 @@ class Crawler: ) return self._get_component(cls, self.extensions.middlewares) - def get_item_pipeline(self, cls: type[_T]) -> Optional[_T]: + def get_item_pipeline(self, cls: type[_T]) -> _T | None: if not self.engine: raise RuntimeError( "Crawler.get_item_pipeline() can only be called after the " @@ -214,7 +214,7 @@ class Crawler: ) return self._get_component(cls, self.engine.scraper.itemproc.middlewares) - def get_spider_middleware(self, cls: type[_T]) -> Optional[_T]: + def get_spider_middleware(self, cls: type[_T]) -> _T | None: if not self.engine: raise RuntimeError( "Crawler.get_spider_middleware() can only be called after the " @@ -250,7 +250,7 @@ class CrawlerRunner: verifyClass(ISpiderLoader, loader_cls) return cast("SpiderLoader", loader_cls.from_settings(settings.frozencopy())) - def __init__(self, settings: Union[dict[str, Any], Settings, None] = None): + def __init__(self, settings: dict[str, Any] | Settings | None = None): if isinstance(settings, dict) or settings is None: settings = Settings(settings) self.settings: Settings = settings @@ -261,7 +261,7 @@ class CrawlerRunner: def crawl( self, - crawler_or_spidercls: Union[type[Spider], str, Crawler], + crawler_or_spidercls: type[Spider] | str | Crawler, *args: Any, **kwargs: Any, ) -> Deferred[None]: @@ -308,7 +308,7 @@ class CrawlerRunner: return d.addBoth(_done) def create_crawler( - self, crawler_or_spidercls: Union[type[Spider], str, Crawler] + self, crawler_or_spidercls: type[Spider] | str | Crawler ) -> Crawler: """ Return a :class:`~scrapy.crawler.Crawler` object. @@ -329,7 +329,7 @@ class CrawlerRunner: return crawler_or_spidercls return self._create_crawler(crawler_or_spidercls) - def _create_crawler(self, spidercls: Union[str, type[Spider]]) -> Crawler: + def _create_crawler(self, spidercls: str | type[Spider]) -> Crawler: if isinstance(spidercls, str): spidercls = self.spider_loader.load(spidercls) return Crawler(spidercls, self.settings) @@ -380,7 +380,7 @@ class CrawlerProcess(CrawlerRunner): def __init__( self, - settings: Union[dict[str, Any], Settings, None] = None, + settings: dict[str, Any] | Settings | None = None, install_root_handler: bool = True, ): super().__init__(settings) @@ -409,7 +409,7 @@ class CrawlerProcess(CrawlerRunner): ) reactor.callFromThread(self._stop_reactor) - def _create_crawler(self, spidercls: Union[type[Spider], str]) -> Crawler: + def _create_crawler(self, spidercls: type[Spider] | str) -> Crawler: if isinstance(spidercls, str): spidercls = self.spider_loader.load(spidercls) init_reactor = not self._initialized_reactor diff --git a/scrapy/downloadermiddlewares/ajaxcrawl.py b/scrapy/downloadermiddlewares/ajaxcrawl.py index 5fc7f31a3..b813baf86 100644 --- a/scrapy/downloadermiddlewares/ajaxcrawl.py +++ b/scrapy/downloadermiddlewares/ajaxcrawl.py @@ -2,7 +2,7 @@ from __future__ import annotations import logging import re -from typing import TYPE_CHECKING, Union +from typing import TYPE_CHECKING from w3lib import html @@ -43,7 +43,7 @@ class AjaxCrawlMiddleware: def process_response( self, request: Request, response: Response, spider: Spider - ) -> Union[Request, Response]: + ) -> Request | Response: if not isinstance(response, HtmlResponse) or response.status != 200: return response diff --git a/scrapy/downloadermiddlewares/cookies.py b/scrapy/downloadermiddlewares/cookies.py index e384793ee..545dcaac9 100644 --- a/scrapy/downloadermiddlewares/cookies.py +++ b/scrapy/downloadermiddlewares/cookies.py @@ -2,7 +2,7 @@ from __future__ import annotations import logging from collections import defaultdict -from typing import TYPE_CHECKING, Any, Optional, Union +from typing import TYPE_CHECKING, Any from tldextract import TLDExtract @@ -70,7 +70,7 @@ class CookiesMiddleware: def process_request( self, request: Request, spider: Spider - ) -> Union[Request, Response, None]: + ) -> Request | Response | None: if request.meta.get("dont_merge_cookies", False): return None @@ -87,7 +87,7 @@ class CookiesMiddleware: def process_response( self, request: Request, response: Response, spider: Spider - ) -> Union[Request, Response]: + ) -> Request | Response: if request.meta.get("dont_merge_cookies", False): return response @@ -123,7 +123,7 @@ class CookiesMiddleware: msg = f"Received cookies from: {response}\n{cookies}" logger.debug(msg, extra={"spider": spider}) - def _format_cookie(self, cookie: VerboseCookie, request: Request) -> Optional[str]: + def _format_cookie(self, cookie: VerboseCookie, request: Request) -> str | None: """ Given a dict consisting of cookie components, return its string representation. Decode from bytes if necessary. diff --git a/scrapy/downloadermiddlewares/defaultheaders.py b/scrapy/downloadermiddlewares/defaultheaders.py index 312c1e026..d58b4490b 100644 --- a/scrapy/downloadermiddlewares/defaultheaders.py +++ b/scrapy/downloadermiddlewares/defaultheaders.py @@ -6,7 +6,7 @@ See documentation in docs/topics/downloader-middleware.rst from __future__ import annotations -from typing import TYPE_CHECKING, Union +from typing import TYPE_CHECKING from scrapy.utils.python import without_none_values @@ -32,7 +32,7 @@ class DefaultHeadersMiddleware: def process_request( self, request: Request, spider: Spider - ) -> Union[Request, Response, None]: + ) -> Request | Response | None: for k, v in self._headers: request.headers.setdefault(k, v) return None diff --git a/scrapy/downloadermiddlewares/downloadtimeout.py b/scrapy/downloadermiddlewares/downloadtimeout.py index ee7a24825..28456c697 100644 --- a/scrapy/downloadermiddlewares/downloadtimeout.py +++ b/scrapy/downloadermiddlewares/downloadtimeout.py @@ -6,7 +6,7 @@ See documentation in docs/topics/downloader-middleware.rst from __future__ import annotations -from typing import TYPE_CHECKING, Union +from typing import TYPE_CHECKING from scrapy import Request, Spider, signals @@ -33,7 +33,7 @@ class DownloadTimeoutMiddleware: def process_request( self, request: Request, spider: Spider - ) -> Union[Request, Response, None]: + ) -> Request | Response | None: if self._timeout: request.meta.setdefault("download_timeout", self._timeout) return None diff --git a/scrapy/downloadermiddlewares/httpauth.py b/scrapy/downloadermiddlewares/httpauth.py index 39165e155..b74140ee1 100644 --- a/scrapy/downloadermiddlewares/httpauth.py +++ b/scrapy/downloadermiddlewares/httpauth.py @@ -6,7 +6,7 @@ See documentation in docs/topics/downloader-middleware.rst from __future__ import annotations -from typing import TYPE_CHECKING, Union +from typing import TYPE_CHECKING from w3lib.http import basic_auth_header @@ -40,7 +40,7 @@ class HttpAuthMiddleware: def process_request( self, request: Request, spider: Spider - ) -> Union[Request, Response, None]: + ) -> Request | Response | None: auth = getattr(self, "auth", None) if auth and b"Authorization" not in request.headers: if not self.domain or url_is_from_any_domain(request.url, [self.domain]): diff --git a/scrapy/downloadermiddlewares/httpcache.py b/scrapy/downloadermiddlewares/httpcache.py index 8377a3c1d..3892dba23 100644 --- a/scrapy/downloadermiddlewares/httpcache.py +++ b/scrapy/downloadermiddlewares/httpcache.py @@ -1,7 +1,7 @@ from __future__ import annotations from email.utils import formatdate -from typing import TYPE_CHECKING, Optional, Union +from typing import TYPE_CHECKING from twisted.internet import defer from twisted.internet.error import ( @@ -69,7 +69,7 @@ class HttpCacheMiddleware: def process_request( self, request: Request, spider: Spider - ) -> Union[Request, Response, None]: + ) -> Request | Response | None: if request.meta.get("dont_cache", False): return None @@ -79,7 +79,7 @@ class HttpCacheMiddleware: return None # Look for cached response and check if expired - cachedresponse: Optional[Response] = self.storage.retrieve_response( + cachedresponse: Response | None = self.storage.retrieve_response( spider, request ) if cachedresponse is None: @@ -103,7 +103,7 @@ class HttpCacheMiddleware: def process_response( self, request: Request, response: Response, spider: Spider - ) -> Union[Request, Response]: + ) -> Request | Response: if request.meta.get("dont_cache", False): return response @@ -118,7 +118,7 @@ class HttpCacheMiddleware: response.headers["Date"] = formatdate(usegmt=True) # Do not validate first-hand responses - cachedresponse: Optional[Response] = request.meta.pop("cached_response", None) + cachedresponse: Response | None = request.meta.pop("cached_response", None) if cachedresponse is None: self.stats.inc_value("httpcache/firsthand", spider=spider) self._cache_response(spider, response, request, cachedresponse) @@ -134,8 +134,8 @@ class HttpCacheMiddleware: def process_exception( self, request: Request, exception: Exception, spider: Spider - ) -> Union[Request, Response, None]: - cachedresponse: Optional[Response] = request.meta.pop("cached_response", None) + ) -> Request | Response | None: + cachedresponse: Response | None = request.meta.pop("cached_response", None) if cachedresponse is not None and isinstance( exception, self.DOWNLOAD_EXCEPTIONS ): @@ -148,7 +148,7 @@ class HttpCacheMiddleware: spider: Spider, response: Response, request: Request, - cachedresponse: Optional[Response], + cachedresponse: Response | None, ) -> None: if self.policy.should_cache_response(response, request): self.stats.inc_value("httpcache/store", spider=spider) diff --git a/scrapy/downloadermiddlewares/httpcompression.py b/scrapy/downloadermiddlewares/httpcompression.py index d913ca25d..84678b8e9 100644 --- a/scrapy/downloadermiddlewares/httpcompression.py +++ b/scrapy/downloadermiddlewares/httpcompression.py @@ -3,7 +3,7 @@ from __future__ import annotations import warnings from itertools import chain from logging import getLogger -from typing import TYPE_CHECKING, Any, Optional, Union +from typing import TYPE_CHECKING, Any from scrapy import Request, Spider, signals from scrapy.exceptions import IgnoreRequest, NotConfigured @@ -54,9 +54,9 @@ class HttpCompressionMiddleware: def __init__( self, - stats: Optional[StatsCollector] = None, + stats: StatsCollector | None = None, *, - crawler: Optional[Crawler] = None, + crawler: Crawler | None = None, ): if not crawler: self.stats = stats @@ -96,13 +96,13 @@ class HttpCompressionMiddleware: def process_request( self, request: Request, spider: Spider - ) -> Union[Request, Response, None]: + ) -> Request | Response | None: request.headers.setdefault("Accept-Encoding", b", ".join(ACCEPTED_ENCODINGS)) return None def process_response( self, request: Request, response: Response, spider: Spider - ) -> Union[Request, Response]: + ) -> Request | Response: if request.method == "HEAD": return response if isinstance(response, Response): diff --git a/scrapy/downloadermiddlewares/httpproxy.py b/scrapy/downloadermiddlewares/httpproxy.py index b35ecbd54..2f3f2db47 100644 --- a/scrapy/downloadermiddlewares/httpproxy.py +++ b/scrapy/downloadermiddlewares/httpproxy.py @@ -1,7 +1,7 @@ from __future__ import annotations import base64 -from typing import TYPE_CHECKING, Optional, Union +from typing import TYPE_CHECKING from urllib.parse import unquote, urlunparse from urllib.request import ( # type: ignore[attr-defined] _parse_proxy, @@ -23,9 +23,9 @@ if TYPE_CHECKING: class HttpProxyMiddleware: - def __init__(self, auth_encoding: Optional[str] = "latin-1"): - self.auth_encoding: Optional[str] = auth_encoding - self.proxies: dict[str, tuple[Optional[bytes], str]] = {} + def __init__(self, auth_encoding: str | None = "latin-1"): + self.auth_encoding: str | None = auth_encoding + self.proxies: dict[str, tuple[bytes | None, str]] = {} for type_, url in getproxies().items(): try: self.proxies[type_] = self._get_proxy(url, type_) @@ -38,7 +38,7 @@ class HttpProxyMiddleware: def from_crawler(cls, crawler: Crawler) -> Self: if not crawler.settings.getbool("HTTPPROXY_ENABLED"): raise NotConfigured - auth_encoding: Optional[str] = crawler.settings.get("HTTPPROXY_AUTH_ENCODING") + auth_encoding: str | None = crawler.settings.get("HTTPPROXY_AUTH_ENCODING") return cls(auth_encoding) def _basic_auth_header(self, username: str, password: str) -> bytes: @@ -47,7 +47,7 @@ class HttpProxyMiddleware: ) return base64.b64encode(user_pass) - def _get_proxy(self, url: str, orig_type: str) -> tuple[Optional[bytes], str]: + def _get_proxy(self, url: str, orig_type: str) -> tuple[bytes | None, str]: proxy_type, user, password, hostport = _parse_proxy(url) proxy_url = urlunparse((proxy_type or orig_type, hostport, "", "", "", "")) @@ -60,7 +60,7 @@ class HttpProxyMiddleware: def process_request( self, request: Request, spider: Spider - ) -> Union[Request, Response, None]: + ) -> Request | Response | None: creds, proxy_url, scheme = None, None, None if "proxy" in request.meta: if request.meta["proxy"] is not None: @@ -82,9 +82,9 @@ class HttpProxyMiddleware: def _set_proxy_and_creds( self, request: Request, - proxy_url: Optional[str], - creds: Optional[bytes], - scheme: Optional[str], + proxy_url: str | None, + creds: bytes | None, + scheme: str | None, ) -> None: if scheme: request.meta["_scheme_proxy"] = True diff --git a/scrapy/downloadermiddlewares/redirect.py b/scrapy/downloadermiddlewares/redirect.py index 6437485cf..0b883b43a 100644 --- a/scrapy/downloadermiddlewares/redirect.py +++ b/scrapy/downloadermiddlewares/redirect.py @@ -1,7 +1,7 @@ from __future__ import annotations import logging -from typing import TYPE_CHECKING, Any, Union, cast +from typing import TYPE_CHECKING, Any, cast from urllib.parse import urljoin from w3lib.url import safe_url_string @@ -144,7 +144,7 @@ class RedirectMiddleware(BaseRedirectMiddleware): def process_response( self, request: Request, response: Response, spider: Spider - ) -> Union[Request, Response]: + ) -> Request | Response: if ( request.meta.get("dont_redirect", False) or response.status in getattr(spider, "handle_httpstatus_list", []) @@ -185,7 +185,7 @@ class MetaRefreshMiddleware(BaseRedirectMiddleware): def process_response( self, request: Request, response: Response, spider: Spider - ) -> Union[Request, Response]: + ) -> Request | Response: if ( request.meta.get("dont_redirect", False) or request.method == "HEAD" diff --git a/scrapy/downloadermiddlewares/retry.py b/scrapy/downloadermiddlewares/retry.py index c32624371..7c0e2280c 100644 --- a/scrapy/downloadermiddlewares/retry.py +++ b/scrapy/downloadermiddlewares/retry.py @@ -14,7 +14,7 @@ from __future__ import annotations import warnings from logging import Logger, getLogger -from typing import TYPE_CHECKING, Any, Optional, Union +from typing import TYPE_CHECKING, Any from scrapy.exceptions import NotConfigured, ScrapyDeprecationWarning from scrapy.settings import BaseSettings, Settings @@ -60,12 +60,12 @@ def get_retry_request( request: Request, *, spider: Spider, - reason: Union[str, Exception, type[Exception]] = "unspecified", - max_retry_times: Optional[int] = None, - priority_adjust: Optional[int] = None, + reason: str | Exception | type[Exception] = "unspecified", + max_retry_times: int | None = None, + priority_adjust: int | None = None, logger: Logger = retry_logger, stats_base_key: str = "retry", -) -> Optional[Request]: +) -> Request | None: """ Returns a new :class:`~scrapy.Request` object to retry the specified request, or ``None`` if retries of the specified request have been @@ -167,7 +167,7 @@ class RetryMiddleware(metaclass=BackwardsCompatibilityMetaclass): def process_response( self, request: Request, response: Response, spider: Spider - ) -> Union[Request, Response]: + ) -> Request | Response: if request.meta.get("dont_retry", False): return response if response.status in self.retry_http_codes: @@ -177,7 +177,7 @@ class RetryMiddleware(metaclass=BackwardsCompatibilityMetaclass): def process_exception( self, request: Request, exception: Exception, spider: Spider - ) -> Union[Request, Response, None]: + ) -> Request | Response | None: if isinstance(exception, self.exceptions_to_retry) and not request.meta.get( "dont_retry", False ): @@ -187,9 +187,9 @@ class RetryMiddleware(metaclass=BackwardsCompatibilityMetaclass): def _retry( self, request: Request, - reason: Union[str, Exception, type[Exception]], + reason: str | Exception | type[Exception], spider: Spider, - ) -> Optional[Request]: + ) -> Request | None: max_retry_times = request.meta.get("max_retry_times", self.max_retry_times) priority_adjust = request.meta.get("priority_adjust", self.priority_adjust) return get_retry_request( diff --git a/scrapy/downloadermiddlewares/robotstxt.py b/scrapy/downloadermiddlewares/robotstxt.py index 81ba009d6..ea9f47d69 100644 --- a/scrapy/downloadermiddlewares/robotstxt.py +++ b/scrapy/downloadermiddlewares/robotstxt.py @@ -7,7 +7,7 @@ enable this middleware and enable the ROBOTSTXT_OBEY setting. from __future__ import annotations import logging -from typing import TYPE_CHECKING, Optional, TypeVar, Union +from typing import TYPE_CHECKING, TypeVar from twisted.internet.defer import Deferred, maybeDeferred @@ -41,13 +41,11 @@ class RobotsTxtMiddleware: if not crawler.settings.getbool("ROBOTSTXT_OBEY"): raise NotConfigured self._default_useragent: str = crawler.settings.get("USER_AGENT", "Scrapy") - self._robotstxt_useragent: Optional[str] = crawler.settings.get( + self._robotstxt_useragent: str | None = crawler.settings.get( "ROBOTSTXT_USER_AGENT", None ) self.crawler: Crawler = crawler - self._parsers: dict[ - str, Union[RobotParser, Deferred[Optional[RobotParser]], None] - ] = {} + self._parsers: dict[str, RobotParser | Deferred[RobotParser | None] | None] = {} self._parserimpl: RobotParser = load_object( crawler.settings.get("ROBOTSTXT_PARSER") ) @@ -61,24 +59,24 @@ class RobotsTxtMiddleware: def process_request( self, request: Request, spider: Spider - ) -> Optional[Deferred[None]]: + ) -> Deferred[None] | None: if request.meta.get("dont_obey_robotstxt"): return None if request.url.startswith("data:") or request.url.startswith("file:"): return None - d: Deferred[Optional[RobotParser]] = maybeDeferred( + d: Deferred[RobotParser | None] = maybeDeferred( self.robot_parser, request, spider # type: ignore[call-overload] ) d2: Deferred[None] = d.addCallback(self.process_request_2, request, spider) return d2 def process_request_2( - self, rp: Optional[RobotParser], request: Request, spider: Spider + self, rp: RobotParser | None, request: Request, spider: Spider ) -> None: if rp is None: return - useragent: Union[str, bytes, None] = self._robotstxt_useragent + useragent: str | bytes | None = self._robotstxt_useragent if not useragent: useragent = request.headers.get(b"User-Agent", self._default_useragent) assert useragent is not None @@ -94,7 +92,7 @@ class RobotsTxtMiddleware: def robot_parser( self, request: Request, spider: Spider - ) -> Union[RobotParser, Deferred[Optional[RobotParser]], None]: + ) -> RobotParser | Deferred[RobotParser | None] | None: url = urlparse_cached(request) netloc = url.netloc @@ -117,9 +115,9 @@ class RobotsTxtMiddleware: parser = self._parsers[netloc] if isinstance(parser, Deferred): - d: Deferred[Optional[RobotParser]] = Deferred() + d: Deferred[RobotParser | None] = Deferred() - def cb(result: Optional[RobotParser]) -> Optional[RobotParser]: + def cb(result: RobotParser | None) -> RobotParser | None: d.callback(result) return result diff --git a/scrapy/downloadermiddlewares/stats.py b/scrapy/downloadermiddlewares/stats.py index ab5655393..fb0f30620 100644 --- a/scrapy/downloadermiddlewares/stats.py +++ b/scrapy/downloadermiddlewares/stats.py @@ -1,6 +1,6 @@ from __future__ import annotations -from typing import TYPE_CHECKING, Union +from typing import TYPE_CHECKING from twisted.web import http @@ -19,7 +19,7 @@ if TYPE_CHECKING: def get_header_size( - headers: dict[str, Union[list[Union[str, bytes]], tuple[Union[str, bytes], ...]]] + headers: dict[str, list[str | bytes] | tuple[str | bytes, ...]] ) -> int: size = 0 for key, value in headers.items(): @@ -47,7 +47,7 @@ class DownloaderStats: def process_request( self, request: Request, spider: Spider - ) -> Union[Request, Response, None]: + ) -> Request | Response | None: self.stats.inc_value("downloader/request_count", spider=spider) self.stats.inc_value( f"downloader/request_method_count/{request.method}", spider=spider @@ -58,7 +58,7 @@ class DownloaderStats: def process_response( self, request: Request, response: Response, spider: Spider - ) -> Union[Request, Response]: + ) -> Request | Response: self.stats.inc_value("downloader/response_count", spider=spider) self.stats.inc_value( f"downloader/response_status_count/{response.status}", spider=spider @@ -75,7 +75,7 @@ class DownloaderStats: def process_exception( self, request: Request, exception: Exception, spider: Spider - ) -> Union[Request, Response, None]: + ) -> Request | Response | None: ex_class = global_object_name(exception.__class__) self.stats.inc_value("downloader/exception_count", spider=spider) self.stats.inc_value( diff --git a/scrapy/downloadermiddlewares/useragent.py b/scrapy/downloadermiddlewares/useragent.py index 109f1a4d9..ba379f862 100644 --- a/scrapy/downloadermiddlewares/useragent.py +++ b/scrapy/downloadermiddlewares/useragent.py @@ -2,7 +2,7 @@ from __future__ import annotations -from typing import TYPE_CHECKING, Union +from typing import TYPE_CHECKING from scrapy import Request, Spider, signals @@ -31,7 +31,7 @@ class UserAgentMiddleware: def process_request( self, request: Request, spider: Spider - ) -> Union[Request, Response, None]: + ) -> Request | Response | None: if self.user_agent: request.headers.setdefault(b"User-Agent", self.user_agent) return None diff --git a/scrapy/dupefilters.py b/scrapy/dupefilters.py index 28118977d..d37d2741a 100644 --- a/scrapy/dupefilters.py +++ b/scrapy/dupefilters.py @@ -2,7 +2,7 @@ from __future__ import annotations import logging from pathlib import Path -from typing import TYPE_CHECKING, Optional +from typing import TYPE_CHECKING from scrapy.utils.job import job_dir from scrapy.utils.request import ( @@ -31,10 +31,10 @@ class BaseDupeFilter: def request_seen(self, request: Request) -> bool: return False - def open(self) -> Optional[Deferred[None]]: + def open(self) -> Deferred[None] | None: pass - def close(self, reason: str) -> Optional[Deferred[None]]: + def close(self, reason: str) -> Deferred[None] | None: pass def log(self, request: Request, spider: Spider) -> None: @@ -47,10 +47,10 @@ class RFPDupeFilter(BaseDupeFilter): def __init__( self, - path: Optional[str] = None, + path: str | None = None, debug: bool = False, *, - fingerprinter: Optional[RequestFingerprinterProtocol] = None, + fingerprinter: RequestFingerprinterProtocol | None = None, ) -> None: self.file = None self.fingerprinter: RequestFingerprinterProtocol = ( @@ -70,7 +70,7 @@ class RFPDupeFilter(BaseDupeFilter): cls, settings: BaseSettings, *, - fingerprinter: Optional[RequestFingerprinterProtocol] = None, + fingerprinter: RequestFingerprinterProtocol | None = None, ) -> Self: debug = settings.getbool("DUPEFILTER_DEBUG") return cls(job_dir(settings), debug, fingerprinter=fingerprinter) diff --git a/scrapy/exporters.py b/scrapy/exporters.py index ee0033dfb..c9350a956 100644 --- a/scrapy/exporters.py +++ b/scrapy/exporters.py @@ -2,6 +2,8 @@ Item Exporters are used to export/serialize items into different formats. """ +from __future__ import annotations + import csv import marshal import pickle # nosec @@ -9,7 +11,7 @@ import pprint from collections.abc import Callable, Iterable, Mapping from io import BytesIO, TextIOWrapper from json import JSONEncoder -from typing import Any, Optional, Union +from typing import Any from xml.sax.saxutils import XMLGenerator # nosec from xml.sax.xmlreader import AttributesImpl # nosec @@ -41,12 +43,12 @@ class BaseItemExporter: If dont_fail is set, it won't raise an exception on unexpected options (useful for using with keyword arguments in subclasses ``__init__`` methods) """ - self.encoding: Optional[str] = options.pop("encoding", None) - self.fields_to_export: Union[Mapping[str, str], Iterable[str], None] = ( - options.pop("fields_to_export", None) + self.encoding: str | None = options.pop("encoding", None) + self.fields_to_export: Mapping[str, str] | Iterable[str] | None = options.pop( + "fields_to_export", None ) self.export_empty_fields: bool = options.pop("export_empty_fields", False) - self.indent: Optional[int] = options.pop("indent", None) + self.indent: int | None = options.pop("indent", None) if not dont_fail and options: raise TypeError(f"Unexpected options: {', '.join(options.keys())}") @@ -54,7 +56,7 @@ class BaseItemExporter: raise NotImplementedError def serialize_field( - self, field: Union[Mapping[str, Any], Field], name: str, value: Any + self, field: Mapping[str, Any] | Field, name: str, value: Any ) -> Any: serializer: Callable[[Any], Any] = field.get("serializer", lambda x: x) return serializer(value) @@ -66,7 +68,7 @@ class BaseItemExporter: pass def _get_serialized_fields( - self, item: Any, default_value: Any = None, include_empty: Optional[bool] = None + self, item: Any, default_value: Any = None, include_empty: bool | None = None ) -> Iterable[tuple[str, Any]]: """Return the fields to export as an iterable of tuples (name, serialized_value) @@ -225,7 +227,7 @@ class CsvItemExporter(BaseItemExporter): file: BytesIO, include_headers_line: bool = True, join_multivalued: str = ",", - errors: Optional[str] = None, + errors: str | None = None, **kwargs: Any, ): super().__init__(dont_fail=True, **kwargs) @@ -245,7 +247,7 @@ class CsvItemExporter(BaseItemExporter): self._join_multivalued = join_multivalued def serialize_field( - self, field: Union[Mapping[str, Any], Field], name: str, value: Any + self, field: Mapping[str, Any] | Field, name: str, value: Any ) -> Any: serializer: Callable[[Any], Any] = field.get("serializer", self._join_if_needed) return serializer(value) @@ -346,7 +348,7 @@ class PythonItemExporter(BaseItemExporter): self.encoding = "utf-8" def serialize_field( - self, field: Union[Mapping[str, Any], Field], name: str, value: Any + self, field: Mapping[str, Any] | Field, name: str, value: Any ) -> Any: serializer: Callable[[Any], Any] = field.get( "serializer", self._serialize_value @@ -364,10 +366,10 @@ class PythonItemExporter(BaseItemExporter): return to_unicode(value, encoding=self.encoding) return value - def _serialize_item(self, item: Any) -> Iterable[tuple[Union[str, bytes], Any]]: + def _serialize_item(self, item: Any) -> Iterable[tuple[str | bytes, Any]]: for key, value in ItemAdapter(item).items(): yield key, self._serialize_value(value) - def export_item(self, item: Any) -> dict[Union[str, bytes], Any]: # type: ignore[override] - result: dict[Union[str, bytes], Any] = dict(self._get_serialized_fields(item)) + def export_item(self, item: Any) -> dict[str | bytes, Any]: # type: ignore[override] + result: dict[str | bytes, Any] = dict(self._get_serialized_fields(item)) return result diff --git a/scrapy/extensions/corestats.py b/scrapy/extensions/corestats.py index 6ef2d0382..779cd5d1c 100644 --- a/scrapy/extensions/corestats.py +++ b/scrapy/extensions/corestats.py @@ -5,7 +5,7 @@ Extension for collecting core stats like items scraped and start/finish times from __future__ import annotations from datetime import datetime, timezone -from typing import TYPE_CHECKING, Any, Optional +from typing import TYPE_CHECKING, Any from scrapy import Spider, signals @@ -20,7 +20,7 @@ if TYPE_CHECKING: class CoreStats: def __init__(self, stats: StatsCollector): self.stats: StatsCollector = stats - self.start_time: Optional[datetime] = None + self.start_time: datetime | None = None @classmethod def from_crawler(cls, crawler: Crawler) -> Self: diff --git a/scrapy/extensions/debug.py b/scrapy/extensions/debug.py index c54871e02..d3c225bcd 100644 --- a/scrapy/extensions/debug.py +++ b/scrapy/extensions/debug.py @@ -12,7 +12,7 @@ import sys import threading import traceback from pdb import Pdb -from typing import TYPE_CHECKING, Optional +from typing import TYPE_CHECKING from scrapy.utils.engine import format_engine_status from scrapy.utils.trackref import format_live_refs @@ -43,7 +43,7 @@ class StackTraceDump: def from_crawler(cls, crawler: Crawler) -> Self: return cls(crawler) - def dump_stacktrace(self, signum: int, frame: Optional[FrameType]) -> None: + def dump_stacktrace(self, signum: int, frame: FrameType | None) -> None: assert self.crawler.engine log_args = { "stackdumps": self._thread_stacks(), @@ -75,6 +75,6 @@ class Debugger: # win32 platforms don't support SIGUSR signals pass - def _enter_debugger(self, signum: int, frame: Optional[FrameType]) -> None: + def _enter_debugger(self, signum: int, frame: FrameType | None) -> None: assert frame Pdb().set_trace(frame.f_back) # noqa: T100 diff --git a/scrapy/extensions/feedexport.py b/scrapy/extensions/feedexport.py index 7bfcbe6f3..eb1698ce5 100644 --- a/scrapy/extensions/feedexport.py +++ b/scrapy/extensions/feedexport.py @@ -14,7 +14,7 @@ from collections.abc import Callable from datetime import datetime, timezone from pathlib import Path, PureWindowsPath from tempfile import NamedTemporaryFile -from typing import IO, TYPE_CHECKING, Any, Optional, Protocol, TypeVar, Union, cast +from typing import IO, TYPE_CHECKING, Any, Optional, Protocol, TypeVar, cast from urllib.parse import unquote, urlparse from twisted.internet.defer import Deferred, DeferredList, maybeDeferred @@ -67,7 +67,7 @@ def build_storage( builder: Callable[..., _StorageT], uri: str, *args: Any, - feed_options: Optional[dict[str, Any]] = None, + feed_options: dict[str, Any] | None = None, preargs: Iterable[Any] = (), **kwargs: Any, ) -> _StorageT: @@ -84,10 +84,10 @@ class ItemFilter: :type feed_options: dict """ - feed_options: Optional[dict[str, Any]] + feed_options: dict[str, Any] | None item_classes: tuple[type, ...] - def __init__(self, feed_options: Optional[dict[str, Any]]) -> None: + def __init__(self, feed_options: dict[str, Any] | None) -> None: self.feed_options = feed_options if feed_options is not None: self.item_classes = tuple( @@ -129,7 +129,7 @@ class IFeedStorage(Interface): class FeedStorageProtocol(Protocol): """Reimplementation of ``IFeedStorage`` that can be used in type hints.""" - def __init__(self, uri: str, *, feed_options: Optional[dict[str, Any]] = None): + def __init__(self, uri: str, *, feed_options: dict[str, Any] | None = None): """Initialize the storage with the parameters given in the URI and the feed-specific options (see :setting:`FEEDS`)""" @@ -137,7 +137,7 @@ class FeedStorageProtocol(Protocol): """Open the storage for the given spider. It must return a file-like object that will be used for the exporters""" - def store(self, file: IO[bytes]) -> Optional[Deferred[None]]: + def store(self, file: IO[bytes]) -> Deferred[None] | None: """Store the given file stream""" @@ -150,7 +150,7 @@ class BlockingFeedStorage: return NamedTemporaryFile(prefix="feed-", dir=path) - def store(self, file: IO[bytes]) -> Optional[Deferred[None]]: + def store(self, file: IO[bytes]) -> Deferred[None] | None: return deferToThread(self._store_in_thread, file) def _store_in_thread(self, file: IO[bytes]) -> None: @@ -162,9 +162,9 @@ class StdoutFeedStorage: def __init__( self, uri: str, - _stdout: Optional[IO[bytes]] = None, + _stdout: IO[bytes] | None = None, *, - feed_options: Optional[dict[str, Any]] = None, + feed_options: dict[str, Any] | None = None, ): if not _stdout: _stdout = sys.stdout.buffer @@ -180,13 +180,13 @@ class StdoutFeedStorage: def open(self, spider: Spider) -> IO[bytes]: return self._stdout - def store(self, file: IO[bytes]) -> Optional[Deferred[None]]: + def store(self, file: IO[bytes]) -> Deferred[None] | None: pass @implementer(IFeedStorage) class FileFeedStorage: - def __init__(self, uri: str, *, feed_options: Optional[dict[str, Any]] = None): + def __init__(self, uri: str, *, feed_options: dict[str, Any] | None = None): self.path: str = file_uri_to_path(uri) feed_options = feed_options or {} self.write_mode: OpenBinaryMode = ( @@ -199,7 +199,7 @@ class FileFeedStorage: dirname.mkdir(parents=True) return Path(self.path).open(self.write_mode) - def store(self, file: IO[bytes]) -> Optional[Deferred[None]]: + def store(self, file: IO[bytes]) -> Deferred[None] | None: file.close() return None @@ -208,27 +208,27 @@ class S3FeedStorage(BlockingFeedStorage): def __init__( self, uri: str, - access_key: Optional[str] = None, - secret_key: Optional[str] = None, - acl: Optional[str] = None, - endpoint_url: Optional[str] = None, + access_key: str | None = None, + secret_key: str | None = None, + acl: str | None = None, + endpoint_url: str | None = None, *, - feed_options: Optional[dict[str, Any]] = None, - session_token: Optional[str] = None, - region_name: Optional[str] = None, + feed_options: dict[str, Any] | None = None, + session_token: str | None = None, + region_name: str | None = None, ): if not is_botocore_available(): raise NotConfigured("missing botocore library") u = urlparse(uri) assert u.hostname self.bucketname: str = u.hostname - self.access_key: Optional[str] = u.username or access_key - self.secret_key: Optional[str] = u.password or secret_key - self.session_token: Optional[str] = session_token + self.access_key: str | None = u.username or access_key + self.secret_key: str | None = u.password or secret_key + self.session_token: str | None = session_token self.keyname: str = u.path[1:] # remove first "/" - self.acl: Optional[str] = acl - self.endpoint_url: Optional[str] = endpoint_url - self.region_name: Optional[str] = region_name + self.acl: str | None = acl + self.endpoint_url: str | None = endpoint_url + self.region_name: str | None = region_name # It can be either botocore.client.BaseClient or mypy_boto3_s3.S3Client, # there seems to be no good way to infer it statically. self.s3_client: Any @@ -279,7 +279,7 @@ class S3FeedStorage(BlockingFeedStorage): crawler: Crawler, uri: str, *, - feed_options: Optional[dict[str, Any]] = None, + feed_options: dict[str, Any] | None = None, ) -> Self: return build_storage( cls, @@ -310,9 +310,9 @@ class S3FeedStorage(BlockingFeedStorage): class GCSFeedStorage(BlockingFeedStorage): - def __init__(self, uri: str, project_id: Optional[str], acl: Optional[str]): - self.project_id: Optional[str] = project_id - self.acl: Optional[str] = acl + def __init__(self, uri: str, project_id: str | None, acl: str | None): + self.project_id: str | None = project_id + self.acl: str | None = acl u = urlparse(uri) assert u.hostname self.bucket_name: str = u.hostname @@ -342,7 +342,7 @@ class FTPFeedStorage(BlockingFeedStorage): uri: str, use_active_mode: bool = False, *, - feed_options: Optional[dict[str, Any]] = None, + feed_options: dict[str, Any] | None = None, ): u = urlparse(uri) if not u.hostname: @@ -361,7 +361,7 @@ class FTPFeedStorage(BlockingFeedStorage): crawler: Crawler, uri: str, *, - feed_options: Optional[dict[str, Any]] = None, + feed_options: dict[str, Any] | None = None, ) -> Self: return build_storage( cls, @@ -399,8 +399,8 @@ class FeedSlot: settings: BaseSettings, crawler: Crawler, ): - self.file: Optional[IO[bytes]] = None - self.exporter: Optional[BaseItemExporter] = None + self.file: IO[bytes] | None = None + self.exporter: BaseItemExporter | None = None self.storage: FeedStorageProtocol = storage # feed params self.batch_id: int = batch_id @@ -558,7 +558,7 @@ class FeedExporter: self.crawler.signals.send_catch_log_deferred(signals.feed_exporter_closed) ) - def _close_slot(self, slot: FeedSlot, spider: Spider) -> Optional[Deferred[None]]: + def _close_slot(self, slot: FeedSlot, spider: Spider) -> Deferred[None] | None: def get_file(slot_: FeedSlot) -> IO[bytes]: assert slot_.file if isinstance(slot_.file, PostProcessingManager): @@ -770,8 +770,8 @@ class FeedExporter: def _get_uri_params( self, spider: Spider, - uri_params_function: Union[str, UriParamsCallableT, None], - slot: Optional[FeedSlot] = None, + uri_params_function: str | UriParamsCallableT | None, + slot: FeedSlot | None = None, ) -> dict[str, Any]: params = {} for k in dir(spider): diff --git a/scrapy/extensions/httpcache.py b/scrapy/extensions/httpcache.py index a72f9db51..0e6120c21 100644 --- a/scrapy/extensions/httpcache.py +++ b/scrapy/extensions/httpcache.py @@ -9,7 +9,7 @@ from importlib import import_module from pathlib import Path from time import time from types import ModuleType -from typing import IO, TYPE_CHECKING, Any, Optional, Union, cast +from typing import IO, TYPE_CHECKING, Any, cast from weakref import WeakKeyDictionary from w3lib.http import headers_dict_to_raw, headers_raw_to_dict @@ -66,16 +66,14 @@ class RFC2616Policy: self.always_store: bool = settings.getbool("HTTPCACHE_ALWAYS_STORE") self.ignore_schemes: list[str] = settings.getlist("HTTPCACHE_IGNORE_SCHEMES") self._cc_parsed: WeakKeyDictionary[ - Union[Request, Response], dict[bytes, Optional[bytes]] + Request | Response, dict[bytes, bytes | None] ] = WeakKeyDictionary() self.ignore_response_cache_controls: list[bytes] = [ to_bytes(cc) for cc in settings.getlist("HTTPCACHE_IGNORE_RESPONSE_CACHE_CONTROLS") ] - def _parse_cachecontrol( - self, r: Union[Request, Response] - ) -> dict[bytes, Optional[bytes]]: + def _parse_cachecontrol(self, r: Request | Response) -> dict[bytes, bytes | None]: if r not in self._cc_parsed: cch = r.headers.get(b"Cache-Control", b"") assert cch is not None @@ -191,7 +189,7 @@ class RFC2616Policy: if b"ETag" in cachedresponse.headers: request.headers[b"If-None-Match"] = cachedresponse.headers[b"ETag"] - def _get_max_age(self, cc: dict[bytes, Optional[bytes]]) -> Optional[int]: + def _get_max_age(self, cc: dict[bytes, bytes | None]) -> int | None: try: return max(0, int(cc[b"max-age"])) # type: ignore[arg-type] except (KeyError, ValueError): @@ -275,7 +273,7 @@ class DbmCacheStorage: def close_spider(self, spider: Spider) -> None: self.db.close() - def retrieve_response(self, spider: Spider, request: Request) -> Optional[Response]: + def retrieve_response(self, spider: Spider, request: Request) -> Response | None: data = self._read_data(spider, request) if data is None: return None # not cached @@ -300,7 +298,7 @@ class DbmCacheStorage: self.db[f"{key}_data"] = pickle.dumps(data, protocol=4) self.db[f"{key}_time"] = str(time()) - def _read_data(self, spider: Spider, request: Request) -> Optional[dict[str, Any]]: + def _read_data(self, spider: Spider, request: Request) -> dict[str, Any] | None: key = self._fingerprinter.fingerprint(request).hex() db = self.db tkey = f"{key}_time" @@ -320,9 +318,7 @@ class FilesystemCacheStorage: self.expiration_secs: int = settings.getint("HTTPCACHE_EXPIRATION_SECS") self.use_gzip: bool = settings.getbool("HTTPCACHE_GZIP") # https://github.com/python/mypy/issues/10740 - self._open: Callable[ - Concatenate[Union[str, os.PathLike], str, ...], IO[bytes] - ] = ( + self._open: Callable[Concatenate[str | os.PathLike, str, ...], IO[bytes]] = ( gzip.open if self.use_gzip else open # type: ignore[assignment] ) @@ -339,7 +335,7 @@ class FilesystemCacheStorage: def close_spider(self, spider: Spider) -> None: pass - def retrieve_response(self, spider: Spider, request: Request) -> Optional[Response]: + def retrieve_response(self, spider: Spider, request: Request) -> Response | None: """Return response if present in cache, or None otherwise.""" metadata = self._read_meta(spider, request) if metadata is None: @@ -387,7 +383,7 @@ class FilesystemCacheStorage: key = self._fingerprinter.fingerprint(request).hex() return str(Path(self.cachedir, spider.name, key[0:2], key)) - def _read_meta(self, spider: Spider, request: Request) -> Optional[dict[str, Any]]: + def _read_meta(self, spider: Spider, request: Request) -> dict[str, Any] | None: rpath = Path(self._get_request_path(spider, request)) metapath = rpath / "pickled_meta" if not metapath.exists(): @@ -399,7 +395,7 @@ class FilesystemCacheStorage: return cast(dict[str, Any], pickle.load(f)) # nosec -def parse_cachecontrol(header: bytes) -> dict[bytes, Optional[bytes]]: +def parse_cachecontrol(header: bytes) -> dict[bytes, bytes | None]: """Parse Cache-Control header https://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9 @@ -419,7 +415,7 @@ def parse_cachecontrol(header: bytes) -> dict[bytes, Optional[bytes]]: return directives -def rfc1123_to_epoch(date_str: Union[str, bytes, None]) -> Optional[int]: +def rfc1123_to_epoch(date_str: str | bytes | None) -> int | None: try: date_str = to_unicode(date_str, encoding="ascii") # type: ignore[arg-type] return mktime_tz(parsedate_tz(date_str)) # type: ignore[arg-type] diff --git a/scrapy/extensions/logstats.py b/scrapy/extensions/logstats.py index 01484481b..e829d8b92 100644 --- a/scrapy/extensions/logstats.py +++ b/scrapy/extensions/logstats.py @@ -1,7 +1,7 @@ from __future__ import annotations import logging -from typing import TYPE_CHECKING, Optional, Union +from typing import TYPE_CHECKING from twisted.internet import task @@ -29,7 +29,7 @@ class LogStats: self.stats: StatsCollector = stats self.interval: float = interval self.multiplier: float = 60.0 / self.interval - self.task: Optional[task.LoopingCall] = None + self.task: task.LoopingCall | None = None @classmethod def from_crawler(cls, crawler: Crawler) -> Self: @@ -81,7 +81,7 @@ class LogStats: def calculate_final_stats( self, spider: Spider - ) -> Union[tuple[None, None], tuple[float, float]]: + ) -> tuple[None, None] | tuple[float, float]: start_time = self.stats.get_value("start_time") finished_time = self.stats.get_value("finished_time") diff --git a/scrapy/extensions/periodic_log.py b/scrapy/extensions/periodic_log.py index fba12bec7..f2e3782a4 100644 --- a/scrapy/extensions/periodic_log.py +++ b/scrapy/extensions/periodic_log.py @@ -3,7 +3,7 @@ from __future__ import annotations import logging from datetime import datetime, timezone from json import JSONEncoder -from typing import TYPE_CHECKING, Any, Optional, Union +from typing import TYPE_CHECKING, Any from twisted.internet import task @@ -36,7 +36,7 @@ class PeriodicLog: self.stats: StatsCollector = stats self.interval: float = interval self.multiplier: float = 60.0 / self.interval - self.task: Optional[task.LoopingCall] = None + self.task: task.LoopingCall | None = None self.encoder: JSONEncoder = ScrapyJSONEncoder(sort_keys=True, indent=4) self.ext_stats_enabled: bool = bool(ext_stats) self.ext_stats_include: list[str] = ext_stats.get("include", []) @@ -52,7 +52,7 @@ class PeriodicLog: if not interval: raise NotConfigured try: - ext_stats: Optional[dict[str, Any]] = crawler.settings.getdict( + ext_stats: dict[str, Any] | None = crawler.settings.getdict( "PERIODIC_LOG_STATS" ) except (TypeError, ValueError): @@ -62,7 +62,7 @@ class PeriodicLog: else None ) try: - ext_delta: Optional[dict[str, Any]] = crawler.settings.getdict( + ext_delta: dict[str, Any] | None = crawler.settings.getdict( "PERIODIC_LOG_DELTA" ) except (TypeError, ValueError): @@ -93,8 +93,8 @@ class PeriodicLog: def spider_opened(self, spider: Spider) -> None: self.time_prev: datetime = datetime.now(tz=timezone.utc) - self.delta_prev: dict[str, Union[int, float]] = {} - self.stats_prev: dict[str, Union[int, float]] = {} + self.delta_prev: dict[str, int | float] = {} + self.stats_prev: dict[str, int | float] = {} self.task = task.LoopingCall(self.log) self.task.start(self.interval) @@ -110,7 +110,7 @@ class PeriodicLog: logger.info(self.encoder.encode(data)) def log_delta(self) -> dict[str, Any]: - num_stats: dict[str, Union[int, float]] = { + num_stats: dict[str, int | float] = { k: v for k, v in self.stats._stats.items() if isinstance(v, (int, float)) diff --git a/scrapy/extensions/spiderstate.py b/scrapy/extensions/spiderstate.py index 567efd7a1..642919be9 100644 --- a/scrapy/extensions/spiderstate.py +++ b/scrapy/extensions/spiderstate.py @@ -2,7 +2,7 @@ from __future__ import annotations import pickle # nosec from pathlib import Path -from typing import TYPE_CHECKING, Optional +from typing import TYPE_CHECKING from scrapy import Spider, signals from scrapy.exceptions import NotConfigured @@ -18,8 +18,8 @@ if TYPE_CHECKING: class SpiderState: """Store and load spider state during a scraping job""" - def __init__(self, jobdir: Optional[str] = None): - self.jobdir: Optional[str] = jobdir + def __init__(self, jobdir: str | None = None): + self.jobdir: str | None = jobdir @classmethod def from_crawler(cls, crawler: Crawler) -> Self: diff --git a/scrapy/extensions/statsmailer.py b/scrapy/extensions/statsmailer.py index c8fefe792..600eebcf2 100644 --- a/scrapy/extensions/statsmailer.py +++ b/scrapy/extensions/statsmailer.py @@ -6,7 +6,7 @@ Use STATSMAILER_RCPTS setting to enable and give the recipient mail address from __future__ import annotations -from typing import TYPE_CHECKING, Optional +from typing import TYPE_CHECKING from scrapy import Spider, signals from scrapy.exceptions import NotConfigured @@ -39,7 +39,7 @@ class StatsMailer: crawler.signals.connect(o.spider_closed, signal=signals.spider_closed) return o - def spider_closed(self, spider: Spider) -> Optional[Deferred[None]]: + def spider_closed(self, spider: Spider) -> Deferred[None] | None: spider_stats = self.stats.get_stats(spider) body = "Global stats\n\n" body += "\n".join(f"{k:<50} : {v}" for k, v in self.stats.get_stats().items()) diff --git a/scrapy/extensions/throttle.py b/scrapy/extensions/throttle.py index 6b5fd181d..d4b4f0e9d 100644 --- a/scrapy/extensions/throttle.py +++ b/scrapy/extensions/throttle.py @@ -1,7 +1,7 @@ from __future__ import annotations import logging -from typing import TYPE_CHECKING, Optional +from typing import TYPE_CHECKING from scrapy import Request, Spider, signals from scrapy.exceptions import NotConfigured @@ -90,8 +90,8 @@ class AutoThrottle: def _get_slot( self, request: Request, spider: Spider - ) -> tuple[Optional[str], Optional[Slot]]: - key: Optional[str] = request.meta.get("download_slot") + ) -> tuple[str | None, Slot | None]: + key: str | None = request.meta.get("download_slot") if key is None: return None, None assert self.crawler.engine diff --git a/scrapy/http/cookies.py b/scrapy/http/cookies.py index b5388a918..56941ad51 100644 --- a/scrapy/http/cookies.py +++ b/scrapy/http/cookies.py @@ -5,7 +5,7 @@ import time from http.cookiejar import Cookie from http.cookiejar import CookieJar as _CookieJar from http.cookiejar import CookiePolicy, DefaultCookiePolicy -from typing import TYPE_CHECKING, Any, Optional, cast +from typing import TYPE_CHECKING, Any, cast from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.python import to_unicode @@ -28,7 +28,7 @@ IPV4_RE = re.compile(r"\.\d+$", re.ASCII) class CookieJar: def __init__( self, - policy: Optional[CookiePolicy] = None, + policy: CookiePolicy | None = None, check_expired_frequency: int = 10000, ): self.policy: CookiePolicy = policy or DefaultCookiePolicy() @@ -83,9 +83,9 @@ class CookieJar: def clear( self, - domain: Optional[str] = None, - path: Optional[str] = None, - name: Optional[str] = None, + domain: str | None = None, + path: str | None = None, + name: str | None = None, ) -> None: self.jar.clear(domain, path, name) @@ -188,7 +188,7 @@ class WrappedRequest: def has_header(self, name: str) -> bool: return name in self.request.headers - def get_header(self, name: str, default: Optional[str] = None) -> Optional[str]: + def get_header(self, name: str, default: str | None = None) -> str | None: value = self.request.headers.get(name, default) return to_unicode(value, errors="replace") if value is not None else None diff --git a/scrapy/http/headers.py b/scrapy/http/headers.py index 1dcbcb966..29ba9533b 100644 --- a/scrapy/http/headers.py +++ b/scrapy/http/headers.py @@ -1,7 +1,7 @@ from __future__ import annotations from collections.abc import Mapping -from typing import TYPE_CHECKING, Any, AnyStr, Optional, Union, cast +from typing import TYPE_CHECKING, Any, AnyStr, Union, cast from w3lib.http import headers_dict_to_raw @@ -25,14 +25,14 @@ class Headers(CaselessDict): def __init__( self, - seq: Union[Mapping[AnyStr, Any], Iterable[tuple[AnyStr, Any]], None] = None, + seq: Mapping[AnyStr, Any] | Iterable[tuple[AnyStr, Any]] | None = None, encoding: str = "utf-8", ): self.encoding: str = encoding super().__init__(seq) def update( # type: ignore[override] - self, seq: Union[Mapping[AnyStr, Any], Iterable[tuple[AnyStr, Any]]] + self, seq: Mapping[AnyStr, Any] | Iterable[tuple[AnyStr, Any]] ) -> None: seq = seq.items() if isinstance(seq, Mapping) else seq iseq: dict[bytes, list[bytes]] = {} @@ -44,7 +44,7 @@ class Headers(CaselessDict): """Normalize key to bytes""" return self._tobytes(key.title()) - def normvalue(self, value: Union[_RawValueT, Iterable[_RawValueT]]) -> list[bytes]: + def normvalue(self, value: _RawValueT | Iterable[_RawValueT]) -> list[bytes]: """Normalize values to bytes""" _value: Iterable[_RawValueT] if value is None: @@ -67,13 +67,13 @@ class Headers(CaselessDict): return str(x).encode(self.encoding) raise TypeError(f"Unsupported value type: {type(x)}") - def __getitem__(self, key: AnyStr) -> Optional[bytes]: + def __getitem__(self, key: AnyStr) -> bytes | None: try: return cast(list[bytes], super().__getitem__(key))[-1] except IndexError: return None - def get(self, key: AnyStr, def_val: Any = None) -> Optional[bytes]: + def get(self, key: AnyStr, def_val: Any = None) -> bytes | None: try: return cast(list[bytes], super().get(key, def_val))[-1] except IndexError: @@ -103,7 +103,7 @@ class Headers(CaselessDict): def items(self) -> Iterable[tuple[bytes, list[bytes]]]: # type: ignore[override] return ((k, self.getlist(k)) for k in self.keys()) - def values(self) -> list[Optional[bytes]]: # type: ignore[override] + def values(self) -> list[bytes | None]: # type: ignore[override] return [ self[k] for k in self.keys() # pylint: disable=consider-using-dict-items ] diff --git a/scrapy/http/request/__init__.py b/scrapy/http/request/__init__.py index aac8d3e50..ed225555c 100644 --- a/scrapy/http/request/__init__.py +++ b/scrapy/http/request/__init__.py @@ -13,7 +13,6 @@ from typing import ( Any, AnyStr, NoReturn, - Optional, TypedDict, TypeVar, Union, @@ -112,18 +111,18 @@ class Request(object_ref): def __init__( self, url: str, - callback: Optional[CallbackT] = None, + callback: CallbackT | None = None, method: str = "GET", - headers: Union[Mapping[AnyStr, Any], Iterable[tuple[AnyStr, Any]], None] = None, - body: Optional[Union[bytes, str]] = None, - cookies: Optional[CookiesT] = None, - meta: Optional[dict[str, Any]] = None, + headers: Mapping[AnyStr, Any] | Iterable[tuple[AnyStr, Any]] | None = None, + body: bytes | str | None = None, + cookies: CookiesT | None = None, + meta: dict[str, Any] | None = None, encoding: str = "utf-8", priority: int = 0, dont_filter: bool = False, - errback: Optional[Callable[[Failure], Any]] = None, - flags: Optional[list[str]] = None, - cb_kwargs: Optional[dict[str, Any]] = None, + errback: Callable[[Failure], Any] | None = None, + flags: list[str] | None = None, + cb_kwargs: dict[str, Any] | None = None, ) -> None: self._encoding: str = encoding # this one has to be set first self.method: str = str(method).upper() @@ -139,17 +138,15 @@ class Request(object_ref): ) if not (callable(errback) or errback is None): raise TypeError(f"errback must be a callable, got {type(errback).__name__}") - self.callback: Optional[CallbackT] = callback - self.errback: Optional[Callable[[Failure], Any]] = errback + self.callback: CallbackT | None = callback + self.errback: Callable[[Failure], Any] | None = errback self.cookies: CookiesT = cookies or {} self.headers: Headers = Headers(headers or {}, encoding=encoding) self.dont_filter: bool = dont_filter - self._meta: Optional[dict[str, Any]] = dict(meta) if meta else None - self._cb_kwargs: Optional[dict[str, Any]] = ( - dict(cb_kwargs) if cb_kwargs else None - ) + self._meta: dict[str, Any] | None = dict(meta) if meta else None + self._cb_kwargs: dict[str, Any] | None = dict(cb_kwargs) if cb_kwargs else None self.flags: list[str] = [] if flags is None else list(flags) @property @@ -186,7 +183,7 @@ class Request(object_ref): def body(self) -> bytes: return self._body - def _set_body(self, body: Optional[Union[str, bytes]]) -> None: + def _set_body(self, body: str | bytes | None) -> None: self._body = b"" if body is None else to_bytes(body, self.encoding) @property @@ -208,7 +205,7 @@ class Request(object_ref): def replace(self, *args: Any, cls: None = None, **kwargs: Any) -> Self: ... def replace( - self, *args: Any, cls: Optional[type[Request]] = None, **kwargs: Any + self, *args: Any, cls: type[Request] | None = None, **kwargs: Any ) -> Request: """Create a new Request with the same attributes except for those given new values""" for x in self.attributes: @@ -255,7 +252,7 @@ class Request(object_ref): request_kwargs.update(kwargs) return cls(**request_kwargs) - def to_dict(self, *, spider: Optional[scrapy.Spider] = None) -> dict[str, Any]: + def to_dict(self, *, spider: scrapy.Spider | None = None) -> dict[str, Any]: """Return a dictionary containing the Request's data. Use :func:`~scrapy.utils.request.request_from_dict` to convert back into a :class:`~scrapy.Request` object. diff --git a/scrapy/http/request/form.py b/scrapy/http/request/form.py index d9c913672..2fabf08d1 100644 --- a/scrapy/http/request/form.py +++ b/scrapy/http/request/form.py @@ -62,14 +62,14 @@ class FormRequest(Request): def from_response( cls, response: TextResponse, - formname: Optional[str] = None, - formid: Optional[str] = None, + formname: str | None = None, + formid: str | None = None, formnumber: int = 0, formdata: FormdataType = None, - clickdata: Optional[dict[str, Union[str, int]]] = None, + clickdata: dict[str, str | int] | None = None, dont_click: bool = False, - formxpath: Optional[str] = None, - formcss: Optional[str] = None, + formxpath: str | None = None, + formcss: str | None = None, **kwargs: Any, ) -> Self: kwargs.setdefault("encoding", response.encoding) @@ -92,7 +92,7 @@ class FormRequest(Request): return cls(url=url, method=method, formdata=formdata, **kwargs) -def _get_form_url(form: FormElement, url: Optional[str]) -> str: +def _get_form_url(form: FormElement, url: str | None) -> str: assert form.base_url is not None # typing if url is None: action = form.get("action") @@ -113,10 +113,10 @@ def _urlencode(seq: Iterable[FormdataKVType], enc: str) -> str: def _get_form( response: TextResponse, - formname: Optional[str], - formid: Optional[str], + formname: str | None, + formid: str | None, formnumber: int, - formxpath: Optional[str], + formxpath: str | None, ) -> FormElement: """Find the wanted form element within the given response.""" root = response.selector.root @@ -160,7 +160,7 @@ def _get_inputs( form: FormElement, formdata: FormdataType, dont_click: bool, - clickdata: Optional[dict[str, Union[str, int]]], + clickdata: dict[str, str | int] | None, ) -> list[FormdataKVType]: """Return a list of key-value pairs for the inputs found in the given form.""" try: @@ -196,8 +196,8 @@ def _get_inputs( def _value( - ele: Union[InputElement, SelectElement, TextareaElement] -) -> tuple[Optional[str], Union[None, str, MultipleSelectOptions]]: + ele: InputElement | SelectElement | TextareaElement, +) -> tuple[str | None, None | str | MultipleSelectOptions]: n = ele.name v = ele.value if ele.tag == "select": @@ -206,8 +206,8 @@ def _value( def _select_value( - ele: SelectElement, n: Optional[str], v: Union[None, str, MultipleSelectOptions] -) -> tuple[Optional[str], Union[None, str, MultipleSelectOptions]]: + ele: SelectElement, n: str | None, v: None | str | MultipleSelectOptions +) -> tuple[str | None, None | str | MultipleSelectOptions]: multiple = ele.multiple if v is None and not multiple: # Match browser behaviour on simple select tag without options selected @@ -218,8 +218,8 @@ def _select_value( def _get_clickable( - clickdata: Optional[dict[str, Union[str, int]]], form: FormElement -) -> Optional[tuple[str, str]]: + clickdata: dict[str, str | int] | None, form: FormElement +) -> tuple[str, str] | None: """ Returns the clickable element specified in clickdata, if the latter is given. If not, it returns the first diff --git a/scrapy/http/request/json_request.py b/scrapy/http/request/json_request.py index 48862534e..289c60591 100644 --- a/scrapy/http/request/json_request.py +++ b/scrapy/http/request/json_request.py @@ -10,7 +10,7 @@ from __future__ import annotations import copy import json import warnings -from typing import TYPE_CHECKING, Any, Optional, overload +from typing import TYPE_CHECKING, Any, overload from scrapy.http.request import Request, RequestTypeVar @@ -23,7 +23,7 @@ class JsonRequest(Request): attributes: tuple[str, ...] = Request.attributes + ("dumps_kwargs",) def __init__( - self, *args: Any, dumps_kwargs: Optional[dict[str, Any]] = None, **kwargs: Any + self, *args: Any, dumps_kwargs: dict[str, Any] | None = None, **kwargs: Any ) -> None: dumps_kwargs = copy.deepcopy(dumps_kwargs) if dumps_kwargs is not None else {} dumps_kwargs.setdefault("sort_keys", True) @@ -59,7 +59,7 @@ class JsonRequest(Request): def replace(self, *args: Any, cls: None = None, **kwargs: Any) -> Self: ... def replace( - self, *args: Any, cls: Optional[type[Request]] = None, **kwargs: Any + self, *args: Any, cls: type[Request] | None = None, **kwargs: Any ) -> Request: body_passed = kwargs.get("body", None) is not None data: Any = kwargs.pop("data", None) diff --git a/scrapy/http/request/rpc.py b/scrapy/http/request/rpc.py index 096ecd370..01fe740a8 100644 --- a/scrapy/http/request/rpc.py +++ b/scrapy/http/request/rpc.py @@ -5,8 +5,10 @@ This module implements the XmlRpcRequest class which is a more convenient class See documentation in docs/topics/request-response.rst """ +from __future__ import annotations + import xmlrpc.client as xmlrpclib -from typing import Any, Optional +from typing import Any import defusedxml.xmlrpc @@ -19,7 +21,7 @@ DUMPS_ARGS = get_func_args(xmlrpclib.dumps) class XmlRpcRequest(Request): - def __init__(self, *args: Any, encoding: Optional[str] = None, **kwargs: Any): + def __init__(self, *args: Any, encoding: str | None = None, **kwargs: Any): if "body" not in kwargs and "params" in kwargs: kw = {k: kwargs.pop(k) for k in DUMPS_ARGS if k in kwargs} kwargs["body"] = xmlrpclib.dumps(**kw) diff --git a/scrapy/http/response/__init__.py b/scrapy/http/response/__init__.py index c69945e2d..d50388548 100644 --- a/scrapy/http/response/__init__.py +++ b/scrapy/http/response/__init__.py @@ -7,7 +7,7 @@ See documentation in docs/topics/request-response.rst from __future__ import annotations -from typing import TYPE_CHECKING, Any, AnyStr, Optional, TypeVar, Union, overload +from typing import TYPE_CHECKING, Any, AnyStr, TypeVar, overload from urllib.parse import urljoin from scrapy.exceptions import NotSupported @@ -60,23 +60,23 @@ class Response(object_ref): self, url: str, status: int = 200, - headers: Union[Mapping[AnyStr, Any], Iterable[tuple[AnyStr, Any]], None] = None, + headers: Mapping[AnyStr, Any] | Iterable[tuple[AnyStr, Any]] | None = None, body: bytes = b"", - flags: Optional[list[str]] = None, - request: Optional[Request] = None, - certificate: Optional[Certificate] = None, - ip_address: Union[IPv4Address, IPv6Address, None] = None, - protocol: Optional[str] = None, + flags: list[str] | None = None, + request: Request | None = None, + certificate: Certificate | None = None, + ip_address: IPv4Address | IPv6Address | None = None, + protocol: str | None = None, ): self.headers: Headers = Headers(headers or {}) self.status: int = int(status) self._set_body(body) self._set_url(url) - self.request: Optional[Request] = request + self.request: Request | None = request self.flags: list[str] = [] if flags is None else list(flags) - self.certificate: Optional[Certificate] = certificate - self.ip_address: Union[IPv4Address, IPv6Address, None] = ip_address - self.protocol: Optional[str] = protocol + self.certificate: Certificate | None = certificate + self.ip_address: IPv4Address | IPv6Address | None = ip_address + self.protocol: str | None = protocol @property def cb_kwargs(self) -> dict[str, Any]: @@ -114,7 +114,7 @@ class Response(object_ref): def body(self) -> bytes: return self._body - def _set_body(self, body: Optional[bytes]) -> None: + def _set_body(self, body: bytes | None) -> None: if body is None: self._body = b"" elif not isinstance(body, bytes): @@ -142,7 +142,7 @@ class Response(object_ref): def replace(self, *args: Any, cls: None = None, **kwargs: Any) -> Self: ... def replace( - self, *args: Any, cls: Optional[type[Response]] = None, **kwargs: Any + self, *args: Any, cls: type[Response] | None = None, **kwargs: Any ) -> Response: """Create a new Response with the same attributes except for those given new values""" for x in self.attributes: @@ -183,19 +183,19 @@ class Response(object_ref): def follow( self, - url: Union[str, Link], - callback: Optional[CallbackT] = None, + url: str | Link, + callback: CallbackT | None = None, method: str = "GET", - headers: Union[Mapping[AnyStr, Any], Iterable[tuple[AnyStr, Any]], None] = None, - body: Optional[Union[bytes, str]] = None, - cookies: Optional[CookiesT] = None, - meta: Optional[dict[str, Any]] = None, - encoding: Optional[str] = "utf-8", + headers: Mapping[AnyStr, Any] | Iterable[tuple[AnyStr, Any]] | None = None, + body: bytes | str | None = None, + cookies: CookiesT | None = None, + meta: dict[str, Any] | None = None, + encoding: str | None = "utf-8", priority: int = 0, dont_filter: bool = False, - errback: Optional[Callable[[Failure], Any]] = None, - cb_kwargs: Optional[dict[str, Any]] = None, - flags: Optional[list[str]] = None, + errback: Callable[[Failure], Any] | None = None, + cb_kwargs: dict[str, Any] | None = None, + flags: list[str] | None = None, ) -> Request: """ Return a :class:`~.Request` instance to follow a link ``url``. @@ -236,19 +236,19 @@ class Response(object_ref): def follow_all( self, - urls: Iterable[Union[str, Link]], - callback: Optional[CallbackT] = None, + urls: Iterable[str | Link], + callback: CallbackT | None = None, method: str = "GET", - headers: Union[Mapping[AnyStr, Any], Iterable[tuple[AnyStr, Any]], None] = None, - body: Optional[Union[bytes, str]] = None, - cookies: Optional[CookiesT] = None, - meta: Optional[dict[str, Any]] = None, - encoding: Optional[str] = "utf-8", + headers: Mapping[AnyStr, Any] | Iterable[tuple[AnyStr, Any]] | None = None, + body: bytes | str | None = None, + cookies: CookiesT | None = None, + meta: dict[str, Any] | None = None, + encoding: str | None = "utf-8", priority: int = 0, dont_filter: bool = False, - errback: Optional[Callable[[Failure], Any]] = None, - cb_kwargs: Optional[dict[str, Any]] = None, - flags: Optional[list[str]] = None, + errback: Callable[[Failure], Any] | None = None, + cb_kwargs: dict[str, Any] | None = None, + flags: list[str] | None = None, ) -> Iterable[Request]: """ .. versionadded:: 2.0 diff --git a/scrapy/http/response/text.py b/scrapy/http/response/text.py index 680c1f602..c713f6188 100644 --- a/scrapy/http/response/text.py +++ b/scrapy/http/response/text.py @@ -8,9 +8,8 @@ See documentation in docs/topics/request-response.rst from __future__ import annotations import json -from collections.abc import Iterable from contextlib import suppress -from typing import TYPE_CHECKING, Any, AnyStr, Optional, Union, cast +from typing import TYPE_CHECKING, Any, AnyStr, cast from urllib.parse import urljoin import parsel @@ -24,16 +23,16 @@ from w3lib.encoding import ( from w3lib.html import strip_html5_whitespace from scrapy.http.response import Response -from scrapy.link import Link from scrapy.utils.python import memoizemethod_noargs, to_unicode from scrapy.utils.response import get_base_url if TYPE_CHECKING: - from collections.abc import Callable, Mapping + from collections.abc import Callable, Iterable, Mapping from twisted.python.failure import Failure from scrapy.http.request import CallbackT, CookiesT, Request + from scrapy.link import Link from scrapy.selector import Selector, SelectorList @@ -47,13 +46,13 @@ class TextResponse(Response): attributes: tuple[str, ...] = Response.attributes + ("encoding",) def __init__(self, *args: Any, **kwargs: Any): - self._encoding: Optional[str] = kwargs.pop("encoding", None) - self._cached_benc: Optional[str] = None - self._cached_ubody: Optional[str] = None - self._cached_selector: Optional[Selector] = None + self._encoding: str | None = kwargs.pop("encoding", None) + self._cached_benc: str | None = None + self._cached_ubody: str | None = None + self._cached_selector: Selector | None = None super().__init__(*args, **kwargs) - def _set_body(self, body: Union[str, bytes, None]) -> None: + def _set_body(self, body: str | bytes | None) -> None: self._body: bytes = b"" # used by encoding detection if isinstance(body, str): if self._encoding is None: @@ -69,7 +68,7 @@ class TextResponse(Response): def encoding(self) -> str: return self._declared_encoding() or self._body_inferred_encoding() - def _declared_encoding(self) -> Optional[str]: + def _declared_encoding(self) -> str | None: return ( self._encoding or self._bom_encoding() @@ -104,7 +103,7 @@ class TextResponse(Response): return urljoin(get_base_url(self), url) @memoizemethod_noargs - def _headers_encoding(self) -> Optional[str]: + def _headers_encoding(self) -> str | None: content_type = cast(bytes, self.headers.get(b"Content-Type", b"")) return http_content_type_encoding(to_unicode(content_type, encoding="latin-1")) @@ -123,7 +122,7 @@ class TextResponse(Response): self._cached_ubody = ubody return self._cached_benc - def _auto_detect_fun(self, text: bytes) -> Optional[str]: + def _auto_detect_fun(self, text: bytes) -> str | None: for enc in (self._DEFAULT_ENCODING, "utf-8", "cp1252"): try: text.decode(enc) @@ -133,11 +132,11 @@ class TextResponse(Response): return None @memoizemethod_noargs - def _body_declared_encoding(self) -> Optional[str]: + def _body_declared_encoding(self) -> str | None: return html_body_declared_encoding(self.body) @memoizemethod_noargs - def _bom_encoding(self) -> Optional[str]: + def _bom_encoding(self) -> str | None: return read_bom(self.body)[0] @property @@ -170,19 +169,19 @@ class TextResponse(Response): def follow( self, - url: Union[str, Link, parsel.Selector], - callback: Optional[CallbackT] = None, + url: str | Link | parsel.Selector, + callback: CallbackT | None = None, method: str = "GET", - headers: Union[Mapping[AnyStr, Any], Iterable[tuple[AnyStr, Any]], None] = None, - body: Optional[Union[bytes, str]] = None, - cookies: Optional[CookiesT] = None, - meta: Optional[dict[str, Any]] = None, - encoding: Optional[str] = None, + headers: Mapping[AnyStr, Any] | Iterable[tuple[AnyStr, Any]] | None = None, + body: bytes | str | None = None, + cookies: CookiesT | None = None, + meta: dict[str, Any] | None = None, + encoding: str | None = None, priority: int = 0, dont_filter: bool = False, - errback: Optional[Callable[[Failure], Any]] = None, - cb_kwargs: Optional[dict[str, Any]] = None, - flags: Optional[list[str]] = None, + errback: Callable[[Failure], Any] | None = None, + cb_kwargs: dict[str, Any] | None = None, + flags: list[str] | None = None, ) -> Request: """ Return a :class:`~.Request` instance to follow a link ``url``. @@ -223,21 +222,21 @@ class TextResponse(Response): def follow_all( self, - urls: Union[Iterable[Union[str, Link]], parsel.SelectorList, None] = None, - callback: Optional[CallbackT] = None, + urls: Iterable[str | Link] | parsel.SelectorList | None = None, + callback: CallbackT | None = None, method: str = "GET", - headers: Union[Mapping[AnyStr, Any], Iterable[tuple[AnyStr, Any]], None] = None, - body: Optional[Union[bytes, str]] = None, - cookies: Optional[CookiesT] = None, - meta: Optional[dict[str, Any]] = None, - encoding: Optional[str] = None, + headers: Mapping[AnyStr, Any] | Iterable[tuple[AnyStr, Any]] | None = None, + body: bytes | str | None = None, + cookies: CookiesT | None = None, + meta: dict[str, Any] | None = None, + encoding: str | None = None, priority: int = 0, dont_filter: bool = False, - errback: Optional[Callable[[Failure], Any]] = None, - cb_kwargs: Optional[dict[str, Any]] = None, - flags: Optional[list[str]] = None, - css: Optional[str] = None, - xpath: Optional[str] = None, + errback: Callable[[Failure], Any] | None = None, + cb_kwargs: dict[str, Any] | None = None, + flags: list[str] | None = None, + css: str | None = None, + xpath: str | None = None, ) -> Iterable[Request]: """ A generator that produces :class:`~.Request` instances to follow all @@ -279,7 +278,7 @@ class TextResponse(Response): with suppress(_InvalidSelector): urls.append(_url_from_selector(sel)) return super().follow_all( - urls=cast(Iterable[Union[str, Link]], urls), + urls=cast("Iterable[str | Link]", urls), callback=callback, method=method, headers=headers, diff --git a/scrapy/linkextractors/lxmlhtml.py b/scrapy/linkextractors/lxmlhtml.py index 73673b1c6..192f937ce 100644 --- a/scrapy/linkextractors/lxmlhtml.py +++ b/scrapy/linkextractors/lxmlhtml.py @@ -9,7 +9,7 @@ import operator import re from collections.abc import Callable, Iterable from functools import partial -from typing import TYPE_CHECKING, Any, Optional, Union, cast +from typing import TYPE_CHECKING, Any, Union, cast from urllib.parse import urljoin, urlparse from lxml import etree # nosec @@ -58,9 +58,9 @@ def _canonicalize_link_url(link: Link) -> str: class LxmlParserLinkExtractor: def __init__( self, - tag: Union[str, Callable[[str], bool]] = "a", - attr: Union[str, Callable[[str], bool]] = "href", - process: Optional[Callable[[Any], Any]] = None, + tag: str | Callable[[str], bool] = "a", + attr: str | Callable[[str], bool] = "href", + process: Callable[[Any], Any] | None = None, unique: bool = False, strip: bool = True, canonicalized: bool = False, @@ -166,18 +166,18 @@ class LxmlLinkExtractor: self, allow: _RegexOrSeveralT = (), deny: _RegexOrSeveralT = (), - allow_domains: Union[str, Iterable[str]] = (), - deny_domains: Union[str, Iterable[str]] = (), - restrict_xpaths: Union[str, Iterable[str]] = (), - tags: Union[str, Iterable[str]] = ("a", "area"), - attrs: Union[str, Iterable[str]] = ("href",), + allow_domains: str | Iterable[str] = (), + deny_domains: str | Iterable[str] = (), + restrict_xpaths: str | Iterable[str] = (), + tags: str | Iterable[str] = ("a", "area"), + attrs: str | Iterable[str] = ("href",), canonicalize: bool = False, unique: bool = True, - process_value: Optional[Callable[[Any], Any]] = None, - deny_extensions: Union[str, Iterable[str], None] = None, - restrict_css: Union[str, Iterable[str]] = (), + process_value: Callable[[Any], Any] | None = None, + deny_extensions: str | Iterable[str] | None = None, + restrict_css: str | Iterable[str] = (), strip: bool = True, - restrict_text: Optional[_RegexOrSeveralT] = None, + restrict_text: _RegexOrSeveralT | None = None, ): tags, attrs = set(arg_to_iter(tags)), set(arg_to_iter(attrs)) self.link_extractor = LxmlParserLinkExtractor( @@ -206,7 +206,7 @@ class LxmlLinkExtractor: self.restrict_text: list[re.Pattern[str]] = self._compile_regexes(restrict_text) @staticmethod - def _compile_regexes(value: Optional[_RegexOrSeveralT]) -> list[re.Pattern[str]]: + def _compile_regexes(value: _RegexOrSeveralT | None) -> list[re.Pattern[str]]: return [ x if isinstance(x, re.Pattern) else re.compile(x) for x in arg_to_iter(value) diff --git a/scrapy/loader/__init__.py b/scrapy/loader/__init__.py index 9644cc093..d35720a45 100644 --- a/scrapy/loader/__init__.py +++ b/scrapy/loader/__init__.py @@ -6,7 +6,7 @@ See documentation in docs/topics/loaders.rst from __future__ import annotations -from typing import TYPE_CHECKING, Any, Optional +from typing import TYPE_CHECKING, Any import itemloaders @@ -92,9 +92,9 @@ class ItemLoader(itemloaders.ItemLoader): def __init__( self, item: Any = None, - selector: Optional[Selector] = None, - response: Optional[TextResponse] = None, - parent: Optional[itemloaders.ItemLoader] = None, + selector: Selector | None = None, + response: TextResponse | None = None, + parent: itemloaders.ItemLoader | None = None, **context: Any, ): if selector is None and response is not None: diff --git a/scrapy/logformatter.py b/scrapy/logformatter.py index 2b838d8e2..544f4adfe 100644 --- a/scrapy/logformatter.py +++ b/scrapy/logformatter.py @@ -2,7 +2,7 @@ from __future__ import annotations import logging import os -from typing import TYPE_CHECKING, Any, Optional, TypedDict, Union +from typing import TYPE_CHECKING, Any, TypedDict from twisted.python.failure import Failure @@ -31,7 +31,7 @@ DOWNLOADERRORMSG_LONG = "Error downloading %(request)s: %(errmsg)s" class LogFormatterResult(TypedDict): level: int msg: str - args: Union[dict[str, Any], tuple[Any, ...]] + args: dict[str, Any] | tuple[Any, ...] class LogFormatter: @@ -93,7 +93,7 @@ class LogFormatter: } def scraped( - self, item: Any, response: Union[Response, Failure, None], spider: Spider + self, item: Any, response: Response | Failure | None, spider: Spider ) -> LogFormatterResult: """Logs a message when an item is scraped by a spider.""" src: Any @@ -116,7 +116,7 @@ class LogFormatter: self, item: Any, exception: BaseException, - response: Optional[Response], + response: Response | None, spider: Spider, ) -> LogFormatterResult: """Logs a message when an item is dropped while it is passing through the item pipeline.""" @@ -133,7 +133,7 @@ class LogFormatter: self, item: Any, exception: BaseException, - response: Optional[Response], + response: Response | None, spider: Spider, ) -> LogFormatterResult: """Logs a message when an item causes an error while it is passing @@ -153,7 +153,7 @@ class LogFormatter: self, failure: Failure, request: Request, - response: Union[Response, Failure], + response: Response | Failure, spider: Spider, ) -> LogFormatterResult: """Logs an error message from a spider. @@ -174,7 +174,7 @@ class LogFormatter: failure: Failure, request: Request, spider: Spider, - errmsg: Optional[str] = None, + errmsg: str | None = None, ) -> LogFormatterResult: """Logs a download error message from a spider (typically coming from the engine). diff --git a/scrapy/mail.py b/scrapy/mail.py index f33cf2939..1e65b1623 100644 --- a/scrapy/mail.py +++ b/scrapy/mail.py @@ -14,7 +14,7 @@ from email.mime.nonmultipart import MIMENonMultipart from email.mime.text import MIMEText from email.utils import formatdate from io import BytesIO -from typing import IO, TYPE_CHECKING, Any, Optional, Union +from typing import IO, TYPE_CHECKING, Any from twisted import version as twisted_version from twisted.internet import ssl @@ -45,7 +45,7 @@ logger = logging.getLogger(__name__) COMMASPACE = ", " -def _to_bytes_or_none(text: Union[str, bytes, None]) -> Optional[bytes]: +def _to_bytes_or_none(text: str | bytes | None) -> bytes | None: if text is None: return None return to_bytes(text) @@ -56,8 +56,8 @@ class MailSender: self, smtphost: str = "localhost", mailfrom: str = "scrapy@localhost", - smtpuser: Optional[str] = None, - smtppass: Optional[str] = None, + smtpuser: str | None = None, + smtppass: str | None = None, smtpport: int = 25, smtptls: bool = False, smtpssl: bool = False, @@ -65,8 +65,8 @@ class MailSender: ): self.smtphost: str = smtphost self.smtpport: int = smtpport - self.smtpuser: Optional[bytes] = _to_bytes_or_none(smtpuser) - self.smtppass: Optional[bytes] = _to_bytes_or_none(smtppass) + self.smtpuser: bytes | None = _to_bytes_or_none(smtpuser) + self.smtppass: bytes | None = _to_bytes_or_none(smtppass) self.smtptls: bool = smtptls self.smtpssl: bool = smtpssl self.mailfrom: str = mailfrom @@ -86,15 +86,15 @@ class MailSender: def send( self, - to: Union[str, list[str]], + to: str | list[str], subject: str, body: str, - cc: Union[str, list[str], None] = None, + cc: str | list[str] | None = None, attachs: Sequence[tuple[str, str, IO[Any]]] = (), mimetype: str = "text/plain", - charset: Optional[str] = None, - _callback: Optional[Callable[..., None]] = None, - ) -> Optional[Deferred[None]]: + charset: str | None = None, + _callback: Callable[..., None] | None = None, + ) -> Deferred[None] | None: from twisted.internet import reactor msg: MIMEBase diff --git a/scrapy/middleware.py b/scrapy/middleware.py index 825d6b4c8..39f26717a 100644 --- a/scrapy/middleware.py +++ b/scrapy/middleware.py @@ -3,7 +3,7 @@ from __future__ import annotations import logging import pprint from collections import defaultdict, deque -from typing import TYPE_CHECKING, Any, Optional, TypeVar, Union, cast +from typing import TYPE_CHECKING, Any, TypeVar, cast from scrapy.exceptions import NotConfigured from scrapy.utils.defer import process_chain, process_parallel @@ -40,9 +40,9 @@ class MiddlewareManager: self.middlewares = middlewares # Only process_spider_output and process_spider_exception can be None. # Only process_spider_output can be a tuple, and only until _async compatibility methods are removed. - self.methods: dict[ - str, deque[Union[None, Callable, tuple[Callable, Callable]]] - ] = defaultdict(deque) + self.methods: dict[str, deque[None | Callable | tuple[Callable, Callable]]] = ( + defaultdict(deque) + ) for mw in middlewares: self._add_middleware(mw) @@ -51,9 +51,7 @@ class MiddlewareManager: raise NotImplementedError @classmethod - def from_settings( - cls, settings: Settings, crawler: Optional[Crawler] = None - ) -> Self: + def from_settings(cls, settings: Settings, crawler: Crawler | None = None) -> Self: mwlist = cls._get_mwlist_from_settings(settings) middlewares = [] enabled = [] diff --git a/scrapy/pipelines/files.py b/scrapy/pipelines/files.py index 32e9ffe7c..4a8639c22 100644 --- a/scrapy/pipelines/files.py +++ b/scrapy/pipelines/files.py @@ -17,17 +17,7 @@ from contextlib import suppress from ftplib import FTP from io import BytesIO from pathlib import Path -from typing import ( - IO, - TYPE_CHECKING, - Any, - NoReturn, - Optional, - Protocol, - TypedDict, - Union, - cast, -) +from typing import IO, TYPE_CHECKING, Any, NoReturn, Protocol, TypedDict, cast from urllib.parse import urlparse from itemadapter import ItemAdapter @@ -61,7 +51,7 @@ if TYPE_CHECKING: logger = logging.getLogger(__name__) -def _to_string(path: Union[str, PathLike[str]]) -> str: +def _to_string(path: str | PathLike[str]) -> str: return str(path) # convert a Path object to string @@ -99,17 +89,17 @@ class FilesStoreProtocol(Protocol): path: str, buf: BytesIO, info: MediaPipeline.SpiderInfo, - meta: Optional[dict[str, Any]] = None, - headers: Optional[dict[str, str]] = None, - ) -> Optional[Deferred[Any]]: ... + meta: dict[str, Any] | None = None, + headers: dict[str, str] | None = None, + ) -> Deferred[Any] | None: ... def stat_file( self, path: str, info: MediaPipeline.SpiderInfo - ) -> Union[StatInfo, Deferred[StatInfo]]: ... + ) -> StatInfo | Deferred[StatInfo]: ... class FSFilesStore: - def __init__(self, basedir: Union[str, PathLike[str]]): + def __init__(self, basedir: str | PathLike[str]): basedir = _to_string(basedir) if "://" in basedir: basedir = basedir.split("://", 1)[1] @@ -121,18 +111,18 @@ class FSFilesStore: def persist_file( self, - path: Union[str, PathLike[str]], + path: str | PathLike[str], buf: BytesIO, info: MediaPipeline.SpiderInfo, - meta: Optional[dict[str, Any]] = None, - headers: Optional[dict[str, str]] = None, + meta: dict[str, Any] | None = None, + headers: dict[str, str] | None = None, ) -> None: absolute_path = self._get_filesystem_path(path) self._mkdir(absolute_path.parent, info) absolute_path.write_bytes(buf.getvalue()) def stat_file( - self, path: Union[str, PathLike[str]], info: MediaPipeline.SpiderInfo + self, path: str | PathLike[str], info: MediaPipeline.SpiderInfo ) -> StatInfo: absolute_path = self._get_filesystem_path(path) try: @@ -145,12 +135,12 @@ class FSFilesStore: return {"last_modified": last_modified, "checksum": checksum} - def _get_filesystem_path(self, path: Union[str, PathLike[str]]) -> Path: + def _get_filesystem_path(self, path: str | PathLike[str]) -> Path: path_comps = _to_string(path).split("/") return Path(self.basedir, *path_comps) def _mkdir( - self, dirname: Path, domain: Optional[MediaPipeline.SpiderInfo] = None + self, dirname: Path, domain: MediaPipeline.SpiderInfo | None = None ) -> None: seen: set[str] = self.created_directories[domain] if domain else set() if str(dirname) not in seen: @@ -218,8 +208,8 @@ class S3FilesStore: path: str, buf: BytesIO, info: MediaPipeline.SpiderInfo, - meta: Optional[dict[str, Any]] = None, - headers: Optional[dict[str, str]] = None, + meta: dict[str, Any] | None = None, + headers: dict[str, str] | None = None, ) -> Deferred[Any]: """Upload file to S3 storage""" key_name = f"{self.prefix}{path}" @@ -327,7 +317,7 @@ class GCSFilesStore: deferToThread(self.bucket.get_blob, blob_path).addCallback(_onsuccess), ) - def _get_content_type(self, headers: Optional[dict[str, str]]) -> str: + def _get_content_type(self, headers: dict[str, str] | None) -> str: if headers and "Content-Type" in headers: return headers["Content-Type"] return "application/octet-stream" @@ -340,8 +330,8 @@ class GCSFilesStore: path: str, buf: BytesIO, info: MediaPipeline.SpiderInfo, - meta: Optional[dict[str, Any]] = None, - headers: Optional[dict[str, str]] = None, + meta: dict[str, Any] | None = None, + headers: dict[str, str] | None = None, ) -> Deferred[Any]: blob_path = self._get_blob_path(path) blob = self.bucket.blob(blob_path) @@ -356,9 +346,9 @@ class GCSFilesStore: class FTPFilesStore: - FTP_USERNAME: Optional[str] = None - FTP_PASSWORD: Optional[str] = None - USE_ACTIVE_MODE: Optional[bool] = None + FTP_USERNAME: str | None = None + FTP_PASSWORD: str | None = None + USE_ACTIVE_MODE: bool | None = None def __init__(self, uri: str): if not uri.startswith("ftp://"): @@ -380,8 +370,8 @@ class FTPFilesStore: path: str, buf: BytesIO, info: MediaPipeline.SpiderInfo, - meta: Optional[dict[str, Any]] = None, - headers: Optional[dict[str, str]] = None, + meta: dict[str, Any] | None = None, + headers: dict[str, str] | None = None, ) -> Deferred[Any]: path = f"{self.basedir}/{path}" return deferToThread( @@ -450,9 +440,9 @@ class FilesPipeline(MediaPipeline): def __init__( self, - store_uri: Union[str, PathLike[str]], - download_func: Optional[Callable[[Request, Spider], Response]] = None, - settings: Union[Settings, dict[str, Any], None] = None, + store_uri: str | PathLike[str], + download_func: Callable[[Request, Spider], Response] | None = None, + settings: Settings | dict[str, Any] | None = None, ): store_uri = _to_string(store_uri) if not store_uri: @@ -517,8 +507,8 @@ class FilesPipeline(MediaPipeline): def media_to_download( self, request: Request, info: MediaPipeline.SpiderInfo, *, item: Any = None - ) -> Deferred[Optional[FileInfo]]: - def _onsuccess(result: StatInfo) -> Optional[FileInfo]: + ) -> Deferred[FileInfo | None]: + def _onsuccess(result: StatInfo) -> FileInfo | None: if not result: return None # returning None force download @@ -551,7 +541,7 @@ class FilesPipeline(MediaPipeline): path = self.file_path(request, info=info, item=item) # maybeDeferred() overloads don't seem to support a Union[_T, Deferred[_T]] return type dfd: Deferred[StatInfo] = maybeDeferred(self.store.stat_file, path, info) # type: ignore[call-overload] - dfd2: Deferred[Optional[FileInfo]] = dfd.addCallback(_onsuccess) + dfd2: Deferred[FileInfo | None] = dfd.addCallback(_onsuccess) dfd2.addErrback(lambda _: None) dfd2.addErrback( lambda f: logger.error( @@ -684,8 +674,8 @@ class FilesPipeline(MediaPipeline): def file_path( self, request: Request, - response: Optional[Response] = None, - info: Optional[MediaPipeline.SpiderInfo] = None, + response: Response | None = None, + info: MediaPipeline.SpiderInfo | None = None, *, item: Any = None, ) -> str: diff --git a/scrapy/pipelines/images.py b/scrapy/pipelines/images.py index f2fe4396b..bbba7d1e1 100644 --- a/scrapy/pipelines/images.py +++ b/scrapy/pipelines/images.py @@ -11,7 +11,7 @@ import hashlib import warnings from contextlib import suppress from io import BytesIO -from typing import TYPE_CHECKING, Any, Optional, Union, cast +from typing import TYPE_CHECKING, Any, cast from itemadapter import ItemAdapter @@ -74,9 +74,9 @@ class ImagesPipeline(FilesPipeline): def __init__( self, - store_uri: Union[str, PathLike[str]], - download_func: Optional[Callable[[Request, Spider], Response]] = None, - settings: Union[Settings, dict[str, Any], None] = None, + store_uri: str | PathLike[str], + download_func: Callable[[Request, Spider], Response] | None = None, + settings: Settings | dict[str, Any] | None = None, ): try: from PIL import Image @@ -120,7 +120,7 @@ class ImagesPipeline(FilesPipeline): resolve("IMAGES_THUMBS"), self.THUMBS ) - self._deprecated_convert_image: Optional[bool] = None + self._deprecated_convert_image: bool | None = None @classmethod def from_settings(cls, settings: Settings) -> Self: @@ -168,7 +168,7 @@ class ImagesPipeline(FilesPipeline): *, item: Any = None, ) -> str: - checksum: Optional[str] = None + checksum: str | None = None for path, image, buf in self.get_images(response, request, info, item=item): if checksum is None: buf.seek(0) @@ -235,8 +235,8 @@ class ImagesPipeline(FilesPipeline): def convert_image( self, image: Image.Image, - size: Optional[tuple[int, int]] = None, - response_body: Optional[BytesIO] = None, + size: tuple[int, int] | None = None, + response_body: BytesIO | None = None, ) -> tuple[Image.Image, BytesIO]: if response_body is None: warnings.warn( @@ -291,8 +291,8 @@ class ImagesPipeline(FilesPipeline): def file_path( self, request: Request, - response: Optional[Response] = None, - info: Optional[MediaPipeline.SpiderInfo] = None, + response: Response | None = None, + info: MediaPipeline.SpiderInfo | None = None, *, item: Any = None, ) -> str: @@ -303,8 +303,8 @@ class ImagesPipeline(FilesPipeline): self, request: Request, thumb_id: str, - response: Optional[Response] = None, - info: Optional[MediaPipeline.SpiderInfo] = None, + response: Response | None = None, + info: MediaPipeline.SpiderInfo | None = None, *, item: Any = None, ) -> str: diff --git a/scrapy/pipelines/media.py b/scrapy/pipelines/media.py index b30cf9264..61eddffa7 100644 --- a/scrapy/pipelines/media.py +++ b/scrapy/pipelines/media.py @@ -9,7 +9,6 @@ from typing import ( Any, Literal, NoReturn, - Optional, TypedDict, TypeVar, Union, @@ -44,7 +43,7 @@ _T = TypeVar("_T") class FileInfo(TypedDict): url: str path: str - checksum: Optional[str] + checksum: str | None status: str @@ -64,15 +63,15 @@ class MediaPipeline(ABC): def __init__(self, spider: Spider): self.spider: Spider = spider self.downloading: set[bytes] = set() - self.downloaded: dict[bytes, Union[FileInfo, Failure]] = {} + self.downloaded: dict[bytes, FileInfo | Failure] = {} self.waiting: defaultdict[bytes, list[Deferred[FileInfo]]] = defaultdict( list ) def __init__( self, - download_func: Optional[Callable[[Request, Spider], Response]] = None, - settings: Union[Settings, dict[str, Any], None] = None, + download_func: Callable[[Request, Spider], Response] | None = None, + settings: Settings | dict[str, Any] | None = None, ): self.download_func = download_func @@ -94,8 +93,8 @@ class MediaPipeline(ABC): def _key_for_pipe( self, key: str, - base_class_name: Optional[str] = None, - settings: Optional[Settings] = None, + base_class_name: str | None = None, + settings: Settings | None = None, ) -> str: class_name = self.__class__.__name__ formatted_key = f"{class_name.upper()}_{key}" @@ -161,7 +160,7 @@ class MediaPipeline(ABC): # Download request checking media_to_download hook output first info.downloading.add(fp) - dfd: Deferred[Optional[FileInfo]] = mustbe_deferred( + dfd: Deferred[FileInfo | None] = mustbe_deferred( self.media_to_download, request, info, item=item ) dfd2: Deferred[FileInfo] = dfd.addCallback( @@ -182,8 +181,8 @@ class MediaPipeline(ABC): request.meta["handle_httpstatus_all"] = True def _check_media_to_download( - self, result: Optional[FileInfo], request: Request, info: SpiderInfo, item: Any - ) -> Union[FileInfo, Deferred[FileInfo]]: + self, result: FileInfo | None, request: Request, info: SpiderInfo, item: Any + ) -> FileInfo | Deferred[FileInfo]: if result is not None: return result dfd: Deferred[Response] @@ -201,7 +200,7 @@ class MediaPipeline(ABC): return dfd2 def _cache_result_and_execute_waiters( - self, result: Union[FileInfo, Failure], fp: bytes, info: SpiderInfo + self, result: FileInfo | Failure, fp: bytes, info: SpiderInfo ) -> None: if isinstance(result, Failure): # minimize cached information for failure @@ -243,7 +242,7 @@ class MediaPipeline(ABC): @abstractmethod def media_to_download( self, request: Request, info: SpiderInfo, *, item: Any = None - ) -> Deferred[Optional[FileInfo]]: + ) -> Deferred[FileInfo | None]: """Check request before starting download""" raise NotImplementedError() @@ -291,8 +290,8 @@ class MediaPipeline(ABC): def file_path( self, request: Request, - response: Optional[Response] = None, - info: Optional[SpiderInfo] = None, + response: Response | None = None, + info: SpiderInfo | None = None, *, item: Any = None, ) -> str: diff --git a/scrapy/pqueues.py b/scrapy/pqueues.py index e1bb21fb1..28e2073a2 100644 --- a/scrapy/pqueues.py +++ b/scrapy/pqueues.py @@ -2,7 +2,7 @@ from __future__ import annotations import hashlib import logging -from typing import TYPE_CHECKING, Optional, Protocol, cast +from typing import TYPE_CHECKING, Protocol, cast from scrapy import Request from scrapy.core.downloader import Downloader @@ -42,7 +42,7 @@ class QueueProtocol(Protocol): def push(self, request: Request) -> None: ... - def pop(self) -> Optional[Request]: ... + def pop(self) -> Request | None: ... def close(self) -> None: ... @@ -96,7 +96,7 @@ class ScrapyPriorityQueue: self.downstream_queue_cls: type[QueueProtocol] = downstream_queue_cls self.key: str = key self.queues: dict[int, QueueProtocol] = {} - self.curprio: Optional[int] = None + self.curprio: int | None = None self.init_prios(startprios) def init_prios(self, startprios: Iterable[int]) -> None: @@ -127,7 +127,7 @@ class ScrapyPriorityQueue: if self.curprio is None or priority < self.curprio: self.curprio = priority - def pop(self) -> Optional[Request]: + def pop(self) -> Request | None: if self.curprio is None: return None q = self.queues[self.curprio] @@ -139,7 +139,7 @@ class ScrapyPriorityQueue: self.curprio = min(prios) if prios else None return m - def peek(self) -> Optional[Request]: + def peek(self) -> Request | None: """Returns the next object to be returned by :meth:`pop`, but without removing it from the queue. @@ -193,7 +193,7 @@ class DownloaderAwarePriorityQueue: crawler: Crawler, downstream_queue_cls: type[QueueProtocol], key: str, - startprios: Optional[dict[str, Iterable[int]]] = None, + startprios: dict[str, Iterable[int]] | None = None, ) -> Self: return cls(crawler, downstream_queue_cls, key, startprios) @@ -202,7 +202,7 @@ class DownloaderAwarePriorityQueue: crawler: Crawler, downstream_queue_cls: type[QueueProtocol], key: str, - slot_startprios: Optional[dict[str, Iterable[int]]] = None, + slot_startprios: dict[str, Iterable[int]] | None = None, ): if crawler.settings.getint("CONCURRENT_REQUESTS_PER_IP") != 0: raise ValueError( @@ -239,7 +239,7 @@ class DownloaderAwarePriorityQueue: startprios, ) - def pop(self) -> Optional[Request]: + def pop(self) -> Request | None: stats = self._downloader_interface.stats(self.pqueues) if not stats: @@ -259,7 +259,7 @@ class DownloaderAwarePriorityQueue: queue = self.pqueues[slot] queue.push(request) - def peek(self) -> Optional[Request]: + def peek(self) -> Request | None: """Returns the next object to be returned by :meth:`pop`, but without removing it from the queue. diff --git a/scrapy/resolver.py b/scrapy/resolver.py index 97fa74bc2..99a6cc5f6 100644 --- a/scrapy/resolver.py +++ b/scrapy/resolver.py @@ -1,6 +1,6 @@ from __future__ import annotations -from typing import TYPE_CHECKING, Any, Optional +from typing import TYPE_CHECKING, Any from twisted.internet import defer from twisted.internet.base import ReactorBase, ThreadedResolver @@ -128,7 +128,7 @@ class CachingHostnameResolver: resolutionReceiver: IResolutionReceiver, hostName: str, portNumber: int = 0, - addressTypes: Optional[Sequence[type[IAddress]]] = None, + addressTypes: Sequence[type[IAddress]] | None = None, transportSemantics: str = "TCP", ) -> IHostResolution: try: diff --git a/scrapy/responsetypes.py b/scrapy/responsetypes.py index 7154f2b95..3f6f030a5 100644 --- a/scrapy/responsetypes.py +++ b/scrapy/responsetypes.py @@ -8,7 +8,7 @@ from __future__ import annotations from io import StringIO from mimetypes import MimeTypes from pkgutil import get_data -from typing import TYPE_CHECKING, Optional, Union +from typing import TYPE_CHECKING from scrapy.http import Response from scrapy.utils.misc import load_object @@ -58,7 +58,7 @@ class ResponseTypes: return self.classes.get(basetype, Response) def from_content_type( - self, content_type: Union[str, bytes], content_encoding: Optional[bytes] = None + self, content_type: str | bytes, content_encoding: bytes | None = None ) -> type[Response]: """Return the most appropriate Response class from an HTTP Content-Type header""" @@ -70,7 +70,7 @@ class ResponseTypes: return self.from_mimetype(mimetype) def from_content_disposition( - self, content_disposition: Union[str, bytes] + self, content_disposition: str | bytes ) -> type[Response]: try: filename = ( @@ -123,10 +123,10 @@ class ResponseTypes: def from_args( self, - headers: Optional[Mapping[bytes, bytes]] = None, - url: Optional[str] = None, - filename: Optional[str] = None, - body: Optional[bytes] = None, + headers: Mapping[bytes, bytes] | None = None, + url: str | None = None, + filename: str | None = None, + body: bytes | None = None, ) -> type[Response]: """Guess the most appropriate Response class based on the given arguments.""" diff --git a/scrapy/robotstxt.py b/scrapy/robotstxt.py index 0d282dc37..a0e5fc671 100644 --- a/scrapy/robotstxt.py +++ b/scrapy/robotstxt.py @@ -3,7 +3,7 @@ from __future__ import annotations import logging import sys from abc import ABCMeta, abstractmethod -from typing import TYPE_CHECKING, Optional, Union +from typing import TYPE_CHECKING from warnings import warn from scrapy.exceptions import ScrapyDeprecationWarning @@ -21,7 +21,7 @@ logger = logging.getLogger(__name__) def decode_robotstxt( - robotstxt_body: bytes, spider: Optional[Spider], to_native_str_type: bool = False + robotstxt_body: bytes, spider: Spider | None, to_native_str_type: bool = False ) -> str: try: if to_native_str_type: @@ -57,7 +57,7 @@ class RobotParser(metaclass=ABCMeta): pass @abstractmethod - def allowed(self, url: Union[str, bytes], user_agent: Union[str, bytes]) -> bool: + def allowed(self, url: str | bytes, user_agent: str | bytes) -> bool: """Return ``True`` if ``user_agent`` is allowed to crawl ``url``, otherwise return ``False``. :param url: Absolute URL @@ -70,10 +70,10 @@ class RobotParser(metaclass=ABCMeta): class PythonRobotParser(RobotParser): - def __init__(self, robotstxt_body: bytes, spider: Optional[Spider]): + def __init__(self, robotstxt_body: bytes, spider: Spider | None): from urllib.robotparser import RobotFileParser - self.spider: Optional[Spider] = spider + self.spider: Spider | None = spider body_decoded = decode_robotstxt(robotstxt_body, spider, to_native_str_type=True) self.rp: RobotFileParser = RobotFileParser() self.rp.parse(body_decoded.splitlines()) @@ -84,18 +84,18 @@ class PythonRobotParser(RobotParser): o = cls(robotstxt_body, spider) return o - def allowed(self, url: Union[str, bytes], user_agent: Union[str, bytes]) -> bool: + def allowed(self, url: str | bytes, user_agent: str | bytes) -> bool: user_agent = to_unicode(user_agent) url = to_unicode(url) return self.rp.can_fetch(user_agent, url) class ReppyRobotParser(RobotParser): - def __init__(self, robotstxt_body: bytes, spider: Optional[Spider]): + def __init__(self, robotstxt_body: bytes, spider: Spider | None): warn("ReppyRobotParser is deprecated.", ScrapyDeprecationWarning, stacklevel=2) from reppy.robots import Robots - self.spider: Optional[Spider] = spider + self.spider: Spider | None = spider self.rp = Robots.parse("", robotstxt_body) @classmethod @@ -104,15 +104,15 @@ class ReppyRobotParser(RobotParser): o = cls(robotstxt_body, spider) return o - def allowed(self, url: Union[str, bytes], user_agent: Union[str, bytes]) -> bool: + def allowed(self, url: str | bytes, user_agent: str | bytes) -> bool: return self.rp.allowed(url, user_agent) class RerpRobotParser(RobotParser): - def __init__(self, robotstxt_body: bytes, spider: Optional[Spider]): + def __init__(self, robotstxt_body: bytes, spider: Spider | None): from robotexclusionrulesparser import RobotExclusionRulesParser - self.spider: Optional[Spider] = spider + self.spider: Spider | None = spider self.rp: RobotExclusionRulesParser = RobotExclusionRulesParser() body_decoded = decode_robotstxt(robotstxt_body, spider) self.rp.parse(body_decoded) @@ -123,17 +123,17 @@ class RerpRobotParser(RobotParser): o = cls(robotstxt_body, spider) return o - def allowed(self, url: Union[str, bytes], user_agent: Union[str, bytes]) -> bool: + def allowed(self, url: str | bytes, user_agent: str | bytes) -> bool: user_agent = to_unicode(user_agent) url = to_unicode(url) return self.rp.is_allowed(user_agent, url) class ProtegoRobotParser(RobotParser): - def __init__(self, robotstxt_body: bytes, spider: Optional[Spider]): + def __init__(self, robotstxt_body: bytes, spider: Spider | None): from protego import Protego - self.spider: Optional[Spider] = spider + self.spider: Spider | None = spider body_decoded = decode_robotstxt(robotstxt_body, spider) self.rp = Protego.parse(body_decoded) @@ -143,7 +143,7 @@ class ProtegoRobotParser(RobotParser): o = cls(robotstxt_body, spider) return o - def allowed(self, url: Union[str, bytes], user_agent: Union[str, bytes]) -> bool: + def allowed(self, url: str | bytes, user_agent: str | bytes) -> bool: user_agent = to_unicode(user_agent) url = to_unicode(url) return self.rp.can_fetch(url, user_agent) diff --git a/scrapy/selector/unified.py b/scrapy/selector/unified.py index 0a3eae409..db9014b41 100644 --- a/scrapy/selector/unified.py +++ b/scrapy/selector/unified.py @@ -2,7 +2,9 @@ XPath selectors based on lxml """ -from typing import Any, Optional, Union +from __future__ import annotations + +from typing import Any from parsel import Selector as _ParselSelector @@ -16,13 +18,13 @@ __all__ = ["Selector", "SelectorList"] _NOT_SET = object() -def _st(response: Optional[TextResponse], st: Optional[str]) -> str: +def _st(response: TextResponse | None, st: str | None) -> str: if st is None: return "xml" if isinstance(response, XmlResponse) else "html" return st -def _response_from_text(text: Union[str, bytes], st: Optional[str]) -> TextResponse: +def _response_from_text(text: str | bytes, st: str | None) -> TextResponse: rt: type[TextResponse] = XmlResponse if st == "xml" else HtmlResponse return rt(url="about:blank", encoding="utf-8", body=to_bytes(text, "utf-8")) @@ -71,10 +73,10 @@ class Selector(_ParselSelector, object_ref): def __init__( self, - response: Optional[TextResponse] = None, - text: Optional[str] = None, - type: Optional[str] = None, - root: Optional[Any] = _NOT_SET, + response: TextResponse | None = None, + text: str | None = None, + type: str | None = None, + root: Any | None = _NOT_SET, **kwargs: Any, ): if response is not None and text is not None: diff --git a/scrapy/settings/__init__.py b/scrapy/settings/__init__.py index b7e3763fb..274ced3e3 100644 --- a/scrapy/settings/__init__.py +++ b/scrapy/settings/__init__.py @@ -5,7 +5,7 @@ import json from collections.abc import Iterable, Iterator, Mapping, MutableMapping from importlib import import_module from pprint import pformat -from typing import TYPE_CHECKING, Any, Optional, Union, cast +from typing import TYPE_CHECKING, Any, Union, cast from scrapy.settings import default_settings @@ -35,7 +35,7 @@ SETTINGS_PRIORITIES: dict[str, int] = { } -def get_settings_priority(priority: Union[int, str]) -> int: +def get_settings_priority(priority: int | str) -> int: """ Small helper function that looks up a given string priority in the :attr:`~scrapy.settings.SETTINGS_PRIORITIES` dictionary and returns its @@ -97,9 +97,7 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]): __default = object() - def __init__( - self, values: _SettingsInputT = None, priority: Union[int, str] = "project" - ): + def __init__(self, values: _SettingsInputT = None, priority: int | str = "project"): self.frozen: bool = False self.attributes: dict[_SettingsKeyT, SettingsAttribute] = {} if values: @@ -180,7 +178,7 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]): return float(self.get(name, default)) def getlist( - self, name: _SettingsKeyT, default: Optional[list[Any]] = None + self, name: _SettingsKeyT, default: list[Any] | None = None ) -> list[Any]: """ Get a setting value as a list. If the setting original type is a list, a @@ -201,7 +199,7 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]): return list(value) def getdict( - self, name: _SettingsKeyT, default: Optional[dict[Any, Any]] = None + self, name: _SettingsKeyT, default: dict[Any, Any] | None = None ) -> dict[Any, Any]: """ Get a setting value as a dictionary. If the setting original type is a @@ -226,8 +224,8 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]): def getdictorlist( self, name: _SettingsKeyT, - default: Union[dict[Any, Any], list[Any], tuple[Any], None] = None, - ) -> Union[dict[Any, Any], list[Any]]: + default: dict[Any, Any] | list[Any] | tuple[Any] | None = None, + ) -> dict[Any, Any] | list[Any]: """Get a setting value as either a :class:`dict` or a :class:`list`. If the setting is already a dict or a list, a copy of it will be @@ -278,7 +276,7 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]): compbs.update(self[name]) return compbs - def getpriority(self, name: _SettingsKeyT) -> Optional[int]: + def getpriority(self, name: _SettingsKeyT) -> int | None: """ Return the current numerical priority value of a setting, or ``None`` if the given ``name`` does not exist. @@ -305,7 +303,7 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]): self.set(name, value) def set( - self, name: _SettingsKeyT, value: Any, priority: Union[int, str] = "project" + self, name: _SettingsKeyT, value: Any, priority: int | str = "project" ) -> None: """ Store a key/value attribute with a given priority. @@ -338,7 +336,7 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]): self, name: _SettingsKeyT, default: Any = None, - priority: Union[int, str] = "project", + priority: int | str = "project", ) -> Any: if name not in self: self.set(name, default, priority) @@ -346,13 +344,11 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]): return self.attributes[name].value - def setdict( - self, values: _SettingsInputT, priority: Union[int, str] = "project" - ) -> None: + def setdict(self, values: _SettingsInputT, priority: int | str = "project") -> None: self.update(values, priority) def setmodule( - self, module: Union[ModuleType, str], priority: Union[int, str] = "project" + self, module: ModuleType | str, priority: int | str = "project" ) -> None: """ Store settings from a module with a given priority. @@ -376,7 +372,7 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]): self.set(key, getattr(module, key), priority) # BaseSettings.update() doesn't support all inputs that MutableMapping.update() supports - def update(self, values: _SettingsInputT, priority: Union[int, str] = "project") -> None: # type: ignore[override] + def update(self, values: _SettingsInputT, priority: int | str = "project") -> None: # type: ignore[override] """ Store key/value pairs with a given priority. @@ -409,9 +405,7 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]): for name, value in values.items(): self.set(name, value, priority) - def delete( - self, name: _SettingsKeyT, priority: Union[int, str] = "project" - ) -> None: + def delete(self, name: _SettingsKeyT, priority: int | str = "project") -> None: if name not in self: raise KeyError(name) self._assert_mutability() @@ -525,9 +519,7 @@ class Settings(BaseSettings): described on :ref:`topics-settings-ref` already populated. """ - def __init__( - self, values: _SettingsInputT = None, priority: Union[int, str] = "project" - ): + def __init__(self, values: _SettingsInputT = None, priority: int | str = "project"): # Do not pass kwarg values here. We don't want to promote user-defined # dicts, and we want to update, not replace, default dicts with the # values given by the user diff --git a/scrapy/shell.py b/scrapy/shell.py index dc402e678..31349c4ff 100644 --- a/scrapy/shell.py +++ b/scrapy/shell.py @@ -8,7 +8,7 @@ from __future__ import annotations import os import signal -from typing import TYPE_CHECKING, Any, Optional, Union +from typing import TYPE_CHECKING, Any from itemadapter import is_item from twisted.internet import defer, threads @@ -37,25 +37,25 @@ class Shell: def __init__( self, crawler: Crawler, - update_vars: Optional[Callable[[dict[str, Any]], None]] = None, - code: Optional[str] = None, + update_vars: Callable[[dict[str, Any]], None] | None = None, + code: str | None = None, ): self.crawler: Crawler = crawler self.update_vars: Callable[[dict[str, Any]], None] = update_vars or ( lambda x: None ) self.item_class: type = load_object(crawler.settings["DEFAULT_ITEM_CLASS"]) - self.spider: Optional[Spider] = None + self.spider: Spider | None = None self.inthread: bool = not threadable.isInIOThread() - self.code: Optional[str] = code + self.code: str | None = code self.vars: dict[str, Any] = {} def start( self, - url: Optional[str] = None, - request: Optional[Request] = None, - response: Optional[Response] = None, - spider: Optional[Spider] = None, + url: str | None = None, + request: Request | None = None, + response: Response | None = None, + spider: Spider | None = None, redirect: bool = True, ) -> None: # disable accidental Ctrl-C key press from shutting down the engine @@ -97,9 +97,7 @@ class Shell: self.vars, shells=shells, banner=self.vars.pop("banner", "") ) - def _schedule( - self, request: Request, spider: Optional[Spider] - ) -> defer.Deferred[Any]: + def _schedule(self, request: Request, spider: Spider | None) -> defer.Deferred[Any]: if is_asyncio_reactor_installed(): # set the asyncio event loop for the current thread event_loop_path = self.crawler.settings["ASYNCIO_EVENT_LOOP"] @@ -111,7 +109,7 @@ class Shell: self.crawler.engine.crawl(request) return d - def _open_spider(self, request: Request, spider: Optional[Spider]) -> Spider: + def _open_spider(self, request: Request, spider: Spider | None) -> Spider: if self.spider: return self.spider @@ -126,8 +124,8 @@ class Shell: def fetch( self, - request_or_url: Union[Request, str], - spider: Optional[Spider] = None, + request_or_url: Request | str, + spider: Spider | None = None, redirect: bool = True, **kwargs: Any, ) -> None: @@ -155,9 +153,9 @@ class Shell: def populate_vars( self, - response: Optional[Response] = None, - request: Optional[Request] = None, - spider: Optional[Spider] = None, + response: Response | None = None, + request: Request | None = None, + spider: Spider | None = None, ) -> None: import scrapy diff --git a/scrapy/spidermiddlewares/httperror.py b/scrapy/spidermiddlewares/httperror.py index afab2eac2..42619ec7f 100644 --- a/scrapy/spidermiddlewares/httperror.py +++ b/scrapy/spidermiddlewares/httperror.py @@ -7,7 +7,7 @@ See documentation in docs/topics/spider-middleware.rst from __future__ import annotations import logging -from typing import TYPE_CHECKING, Any, Optional +from typing import TYPE_CHECKING, Any from scrapy.exceptions import IgnoreRequest @@ -65,7 +65,7 @@ class HttpErrorMiddleware: def process_spider_exception( self, response: Response, exception: Exception, spider: Spider - ) -> Optional[Iterable[Any]]: + ) -> Iterable[Any] | None: if isinstance(exception, HttpError): assert spider.crawler.stats spider.crawler.stats.inc_value("httperror/response_ignored_count") diff --git a/scrapy/spidermiddlewares/referer.py b/scrapy/spidermiddlewares/referer.py index 8784e4b05..bdf1f168a 100644 --- a/scrapy/spidermiddlewares/referer.py +++ b/scrapy/spidermiddlewares/referer.py @@ -6,7 +6,7 @@ originated it. from __future__ import annotations import warnings -from typing import TYPE_CHECKING, Any, Optional, Union, cast +from typing import TYPE_CHECKING, Any, cast from urllib.parse import urlparse from w3lib.url import safe_url_string @@ -50,20 +50,20 @@ class ReferrerPolicy: NOREFERRER_SCHEMES: tuple[str, ...] = LOCAL_SCHEMES name: str - def referrer(self, response_url: str, request_url: str) -> Optional[str]: + def referrer(self, response_url: str, request_url: str) -> str | None: raise NotImplementedError() - def stripped_referrer(self, url: str) -> Optional[str]: + def stripped_referrer(self, url: str) -> str | None: if urlparse(url).scheme not in self.NOREFERRER_SCHEMES: return self.strip_url(url) return None - def origin_referrer(self, url: str) -> Optional[str]: + def origin_referrer(self, url: str) -> str | None: if urlparse(url).scheme not in self.NOREFERRER_SCHEMES: return self.origin(url) return None - def strip_url(self, url: str, origin_only: bool = False) -> Optional[str]: + def strip_url(self, url: str, origin_only: bool = False) -> str | None: """ https://www.w3.org/TR/referrer-policy/#strip-url @@ -87,7 +87,7 @@ class ReferrerPolicy: origin_only=origin_only, ) - def origin(self, url: str) -> Optional[str]: + def origin(self, url: str) -> str | None: """Return serialized origin (scheme, host, path) for a request or response URL.""" return self.strip_url(url, origin_only=True) @@ -113,7 +113,7 @@ class NoReferrerPolicy(ReferrerPolicy): name: str = POLICY_NO_REFERRER - def referrer(self, response_url: str, request_url: str) -> Optional[str]: + def referrer(self, response_url: str, request_url: str) -> str | None: return None @@ -134,7 +134,7 @@ class NoReferrerWhenDowngradePolicy(ReferrerPolicy): name: str = POLICY_NO_REFERRER_WHEN_DOWNGRADE - def referrer(self, response_url: str, request_url: str) -> Optional[str]: + def referrer(self, response_url: str, request_url: str) -> str | None: if not self.tls_protected(response_url) or self.tls_protected(request_url): return self.stripped_referrer(response_url) return None @@ -153,7 +153,7 @@ class SameOriginPolicy(ReferrerPolicy): name: str = POLICY_SAME_ORIGIN - def referrer(self, response_url: str, request_url: str) -> Optional[str]: + def referrer(self, response_url: str, request_url: str) -> str | None: if self.origin(response_url) == self.origin(request_url): return self.stripped_referrer(response_url) return None @@ -171,7 +171,7 @@ class OriginPolicy(ReferrerPolicy): name: str = POLICY_ORIGIN - def referrer(self, response_url: str, request_url: str) -> Optional[str]: + def referrer(self, response_url: str, request_url: str) -> str | None: return self.origin_referrer(response_url) @@ -191,7 +191,7 @@ class StrictOriginPolicy(ReferrerPolicy): name: str = POLICY_STRICT_ORIGIN - def referrer(self, response_url: str, request_url: str) -> Optional[str]: + def referrer(self, response_url: str, request_url: str) -> str | None: if ( self.tls_protected(response_url) and self.potentially_trustworthy(request_url) @@ -215,7 +215,7 @@ class OriginWhenCrossOriginPolicy(ReferrerPolicy): name: str = POLICY_ORIGIN_WHEN_CROSS_ORIGIN - def referrer(self, response_url: str, request_url: str) -> Optional[str]: + def referrer(self, response_url: str, request_url: str) -> str | None: origin = self.origin(response_url) if origin == self.origin(request_url): return self.stripped_referrer(response_url) @@ -242,7 +242,7 @@ class StrictOriginWhenCrossOriginPolicy(ReferrerPolicy): name: str = POLICY_STRICT_ORIGIN_WHEN_CROSS_ORIGIN - def referrer(self, response_url: str, request_url: str) -> Optional[str]: + def referrer(self, response_url: str, request_url: str) -> str | None: origin = self.origin(response_url) if origin == self.origin(request_url): return self.stripped_referrer(response_url) @@ -271,7 +271,7 @@ class UnsafeUrlPolicy(ReferrerPolicy): name: str = POLICY_UNSAFE_URL - def referrer(self, response_url: str, request_url: str) -> Optional[str]: + def referrer(self, response_url: str, request_url: str) -> str | None: return self.stripped_referrer(response_url) @@ -307,7 +307,7 @@ _policy_classes[""] = NoReferrerWhenDowngradePolicy def _load_policy_class( policy: str, warning_only: bool = False -) -> Optional[type[ReferrerPolicy]]: +) -> type[ReferrerPolicy] | None: """ Expect a string for the path to the policy class, otherwise try to interpret the string as a standard value @@ -331,7 +331,7 @@ def _load_policy_class( class RefererMiddleware: - def __init__(self, settings: Optional[BaseSettings] = None): + def __init__(self, settings: BaseSettings | None = None): self.default_policy: type[ReferrerPolicy] = DefaultReferrerPolicy if settings is not None: settings_policy = _load_policy_class(settings.get("REFERRER_POLICY")) @@ -349,9 +349,7 @@ class RefererMiddleware: return mw - def policy( - self, resp_or_url: Union[Response, str], request: Request - ) -> ReferrerPolicy: + def policy(self, resp_or_url: Response | str, request: Request) -> ReferrerPolicy: """ Determine Referrer-Policy to use from a parent Response (or URL), and a Request to be sent. diff --git a/scrapy/spiders/__init__.py b/scrapy/spiders/__init__.py index 8220aca28..6136dabc7 100644 --- a/scrapy/spiders/__init__.py +++ b/scrapy/spiders/__init__.py @@ -7,7 +7,7 @@ See documentation in docs/topics/spiders.rst from __future__ import annotations import logging -from typing import TYPE_CHECKING, Any, Optional, cast +from typing import TYPE_CHECKING, Any, cast from scrapy import signals from scrapy.http import Request, Response @@ -34,9 +34,9 @@ class Spider(object_ref): """ name: str - custom_settings: Optional[dict[_SettingsKeyT, Any]] = None + custom_settings: dict[_SettingsKeyT, Any] | None = None - def __init__(self, name: Optional[str] = None, **kwargs: Any): + def __init__(self, name: str | None = None, **kwargs: Any): if name is not None: self.name: str = name elif not getattr(self, "name", None): @@ -103,10 +103,10 @@ class Spider(object_ref): return url_is_from_spider(request.url, cls) @staticmethod - def close(spider: Spider, reason: str) -> Optional[Deferred[None]]: + def close(spider: Spider, reason: str) -> Deferred[None] | None: closed = getattr(spider, "closed", None) if callable(closed): - return cast("Optional[Deferred[None]]", closed(reason)) + return cast("Deferred[None] | None", closed(reason)) return None def __repr__(self) -> str: diff --git a/scrapy/spiders/crawl.py b/scrapy/spiders/crawl.py index d628f49f6..087049425 100644 --- a/scrapy/spiders/crawl.py +++ b/scrapy/spiders/crawl.py @@ -9,7 +9,7 @@ from __future__ import annotations import copy from collections.abc import AsyncIterable, Awaitable, Callable -from typing import TYPE_CHECKING, Any, Optional, TypeVar, Union, cast +from typing import TYPE_CHECKING, Any, Optional, TypeVar, cast from twisted.python.failure import Failure @@ -39,15 +39,11 @@ def _identity(x: _T) -> _T: return x -def _identity_process_request( - request: Request, response: Response -) -> Optional[Request]: +def _identity_process_request(request: Request, response: Response) -> Request | None: return request -def _get_method( - method: Union[Callable, str, None], spider: Spider -) -> Optional[Callable]: +def _get_method(method: Callable | str | None, spider: Spider) -> Callable | None: if callable(method): return method if isinstance(method, str): @@ -61,20 +57,20 @@ _default_link_extractor = LinkExtractor() class Rule: def __init__( self, - link_extractor: Optional[LinkExtractor] = None, - callback: Union[CallbackT, str, None] = None, - cb_kwargs: Optional[dict[str, Any]] = None, - follow: Optional[bool] = None, - process_links: Union[ProcessLinksT, str, None] = None, - process_request: Union[ProcessRequestT, str, None] = None, - errback: Union[Callable[[Failure], Any], str, None] = None, + link_extractor: LinkExtractor | None = None, + callback: CallbackT | str | None = None, + cb_kwargs: dict[str, Any] | None = None, + follow: bool | None = None, + process_links: ProcessLinksT | str | None = None, + process_request: ProcessRequestT | str | None = None, + errback: Callable[[Failure], Any] | str | None = None, ): self.link_extractor: LinkExtractor = link_extractor or _default_link_extractor - self.callback: Union[CallbackT, str, None] = callback - self.errback: Union[Callable[[Failure], Any], str, None] = errback + self.callback: CallbackT | str | None = callback + self.errback: Callable[[Failure], Any] | str | None = errback self.cb_kwargs: dict[str, Any] = cb_kwargs or {} - self.process_links: Union[ProcessLinksT, str] = process_links or _identity - self.process_request: Union[ProcessRequestT, str] = ( + self.process_links: ProcessLinksT | str = process_links or _identity + self.process_request: ProcessRequestT | str = ( process_request or _identity_process_request ) self.follow: bool = follow if follow is not None else not callback @@ -124,7 +120,7 @@ class CrawlSpider(Spider): meta={"rule": rule_index, "link_text": link.text}, ) - def _requests_to_follow(self, response: Response) -> Iterable[Optional[Request]]: + def _requests_to_follow(self, response: Response) -> Iterable[Request | None]: if not isinstance(response, HtmlResponse): return seen: set[Link] = set() @@ -157,7 +153,7 @@ class CrawlSpider(Spider): async def _parse_response( self, response: Response, - callback: Optional[CallbackT], + callback: CallbackT | None, cb_kwargs: dict[str, Any], follow: bool = True, ) -> AsyncIterable[Any]: @@ -176,7 +172,7 @@ class CrawlSpider(Spider): yield request_or_item def _handle_failure( - self, failure: Failure, errback: Optional[Callable[[Failure], Any]] + self, failure: Failure, errback: Callable[[Failure], Any] | None ) -> Iterable[Any]: if errback: results = errback(failure) or () diff --git a/scrapy/spiders/feed.py b/scrapy/spiders/feed.py index 0ddef1f32..395183613 100644 --- a/scrapy/spiders/feed.py +++ b/scrapy/spiders/feed.py @@ -7,7 +7,7 @@ See documentation in docs/topics/spiders.rst from __future__ import annotations -from typing import TYPE_CHECKING, Any, Optional +from typing import TYPE_CHECKING, Any from scrapy.exceptions import NotConfigured, NotSupported from scrapy.http import Response, TextResponse @@ -117,13 +117,13 @@ class CSVFeedSpider(Spider): and the file's headers. """ - delimiter: Optional[str] = ( + delimiter: str | None = ( None # When this is None, python's csv module's default delimiter is used ) - quotechar: Optional[str] = ( + quotechar: str | None = ( None # When this is None, python's csv module's default quotechar is used ) - headers: Optional[list[str]] = None + headers: list[str] | None = None def process_results( self, response: Response, results: Iterable[Any] diff --git a/scrapy/spiders/init.py b/scrapy/spiders/init.py index ebe288b83..4ec2919f7 100644 --- a/scrapy/spiders/init.py +++ b/scrapy/spiders/init.py @@ -1,7 +1,7 @@ from __future__ import annotations from collections.abc import Iterable -from typing import TYPE_CHECKING, Any, Optional, cast +from typing import TYPE_CHECKING, Any, cast from scrapy import Request from scrapy.spiders import Spider @@ -18,7 +18,7 @@ class InitSpider(Spider): self._postinit_reqs: Iterable[Request] = super().start_requests() return cast(Iterable[Request], iterate_spider_output(self.init_request())) - def initialized(self, response: Optional[Response] = None) -> Any: + def initialized(self, response: Response | None = None) -> Any: """This method must be set as the callback of your last initialization request. See self.init_request() docstring for more info. """ diff --git a/scrapy/spiders/sitemap.py b/scrapy/spiders/sitemap.py index 945539d7b..91c7e3be9 100644 --- a/scrapy/spiders/sitemap.py +++ b/scrapy/spiders/sitemap.py @@ -2,7 +2,7 @@ from __future__ import annotations import logging import re -from typing import TYPE_CHECKING, Any, Optional, Union, cast +from typing import TYPE_CHECKING, Any, cast from scrapy.http import Request, Response, XmlResponse from scrapy.spiders import Spider @@ -24,10 +24,10 @@ logger = logging.getLogger(__name__) class SitemapSpider(Spider): sitemap_urls: Sequence[str] = () - sitemap_rules: Sequence[ - tuple[Union[re.Pattern[str], str], Union[str, CallbackT]] - ] = [("", "parse")] - sitemap_follow: Sequence[Union[re.Pattern[str], str]] = [""] + sitemap_rules: Sequence[tuple[re.Pattern[str] | str, str | CallbackT]] = [ + ("", "parse") + ] + sitemap_follow: Sequence[re.Pattern[str] | str] = [""] sitemap_alternate_links: bool = False _max_size: int _warn_size: int @@ -93,7 +93,7 @@ class SitemapSpider(Spider): yield Request(loc, callback=c) break - def _get_sitemap_body(self, response: Response) -> Optional[bytes]: + def _get_sitemap_body(self, response: Response) -> bytes | None: """Return the sitemap body contained in the given response, or None if the response is not a sitemap. """ @@ -127,7 +127,7 @@ class SitemapSpider(Spider): return None -def regex(x: Union[re.Pattern[str], str]) -> re.Pattern[str]: +def regex(x: re.Pattern[str] | str) -> re.Pattern[str]: if isinstance(x, str): return re.compile(x) return x diff --git a/scrapy/squeues.py b/scrapy/squeues.py index 767a53db8..7732187fd 100644 --- a/scrapy/squeues.py +++ b/scrapy/squeues.py @@ -7,7 +7,7 @@ from __future__ import annotations import marshal import pickle # nosec from pathlib import Path -from typing import TYPE_CHECKING, Any, Optional, Union +from typing import TYPE_CHECKING, Any from queuelib import queue @@ -26,7 +26,7 @@ if TYPE_CHECKING: def _with_mkdir(queue_class: type[queue.BaseQueue]) -> type[queue.BaseQueue]: class DirectoriesCreated(queue_class): # type: ignore[valid-type,misc] - def __init__(self, path: Union[str, PathLike], *args: Any, **kwargs: Any): + def __init__(self, path: str | PathLike, *args: Any, **kwargs: Any): dirname = Path(path).parent if not dirname.exists(): dirname.mkdir(parents=True, exist_ok=True) @@ -45,13 +45,13 @@ def _serializable_queue( s = serialize(obj) super().push(s) - def pop(self) -> Optional[Any]: + def pop(self) -> Any | None: s = super().pop() if s: return deserialize(s) return None - def peek(self) -> Optional[Any]: + def peek(self) -> Any | None: """Returns the next object to be returned by :meth:`pop`, but without removing it from the queue. @@ -89,13 +89,13 @@ def _scrapy_serialization_queue( request_dict = request.to_dict(spider=self.spider) super().push(request_dict) - def pop(self) -> Optional[Request]: + def pop(self) -> Request | None: request = super().pop() if not request: return None return request_from_dict(request, spider=self.spider) - def peek(self) -> Optional[Request]: + def peek(self) -> Request | None: """Returns the next object to be returned by :meth:`pop`, but without removing it from the queue. @@ -118,7 +118,7 @@ def _scrapy_non_serialization_queue( def from_crawler(cls, crawler: Crawler, *args: Any, **kwargs: Any) -> Self: return cls() - def peek(self) -> Optional[Any]: + def peek(self) -> Any | None: """Returns the next object to be returned by :meth:`pop`, but without removing it from the queue. diff --git a/scrapy/statscollectors.py b/scrapy/statscollectors.py index 63c82ec6d..f3dd0f8e7 100644 --- a/scrapy/statscollectors.py +++ b/scrapy/statscollectors.py @@ -6,7 +6,7 @@ from __future__ import annotations import logging import pprint -from typing import TYPE_CHECKING, Any, Optional +from typing import TYPE_CHECKING, Any if TYPE_CHECKING: from scrapy import Spider @@ -25,32 +25,32 @@ class StatsCollector: self._stats: StatsT = {} def get_value( - self, key: str, default: Any = None, spider: Optional[Spider] = None + self, key: str, default: Any = None, spider: Spider | None = None ) -> Any: return self._stats.get(key, default) - def get_stats(self, spider: Optional[Spider] = None) -> StatsT: + def get_stats(self, spider: Spider | None = None) -> StatsT: return self._stats - def set_value(self, key: str, value: Any, spider: Optional[Spider] = None) -> None: + def set_value(self, key: str, value: Any, spider: Spider | None = None) -> None: self._stats[key] = value - def set_stats(self, stats: StatsT, spider: Optional[Spider] = None) -> None: + def set_stats(self, stats: StatsT, spider: Spider | None = None) -> None: self._stats = stats def inc_value( - self, key: str, count: int = 1, start: int = 0, spider: Optional[Spider] = None + self, key: str, count: int = 1, start: int = 0, spider: Spider | None = None ) -> None: d = self._stats d[key] = d.setdefault(key, start) + count - def max_value(self, key: str, value: Any, spider: Optional[Spider] = None) -> None: + def max_value(self, key: str, value: Any, spider: Spider | None = None) -> None: self._stats[key] = max(self._stats.setdefault(key, value), value) - def min_value(self, key: str, value: Any, spider: Optional[Spider] = None) -> None: + def min_value(self, key: str, value: Any, spider: Spider | None = None) -> None: self._stats[key] = min(self._stats.setdefault(key, value), value) - def clear_stats(self, spider: Optional[Spider] = None) -> None: + def clear_stats(self, spider: Spider | None = None) -> None: self._stats.clear() def open_spider(self, spider: Spider) -> None: @@ -79,23 +79,23 @@ class MemoryStatsCollector(StatsCollector): class DummyStatsCollector(StatsCollector): def get_value( - self, key: str, default: Any = None, spider: Optional[Spider] = None + self, key: str, default: Any = None, spider: Spider | None = None ) -> Any: return default - def set_value(self, key: str, value: Any, spider: Optional[Spider] = None) -> None: + def set_value(self, key: str, value: Any, spider: Spider | None = None) -> None: pass - def set_stats(self, stats: StatsT, spider: Optional[Spider] = None) -> None: + def set_stats(self, stats: StatsT, spider: Spider | None = None) -> None: pass def inc_value( - self, key: str, count: int = 1, start: int = 0, spider: Optional[Spider] = None + self, key: str, count: int = 1, start: int = 0, spider: Spider | None = None ) -> None: pass - def max_value(self, key: str, value: Any, spider: Optional[Spider] = None) -> None: + def max_value(self, key: str, value: Any, spider: Spider | None = None) -> None: pass - def min_value(self, key: str, value: Any, spider: Optional[Spider] = None) -> None: + def min_value(self, key: str, value: Any, spider: Spider | None = None) -> None: pass diff --git a/scrapy/utils/asyncgen.py b/scrapy/utils/asyncgen.py index f1505e4bd..905959c25 100644 --- a/scrapy/utils/asyncgen.py +++ b/scrapy/utils/asyncgen.py @@ -1,5 +1,7 @@ +from __future__ import annotations + from collections.abc import AsyncGenerator, AsyncIterable, Iterable -from typing import TypeVar, Union +from typing import TypeVar _T = TypeVar("_T") @@ -12,8 +14,8 @@ async def collect_asyncgen(result: AsyncIterable[_T]) -> list[_T]: async def as_async_generator( - it: Union[Iterable[_T], AsyncIterable[_T]] -) -> AsyncGenerator[_T, None]: + it: Iterable[_T] | AsyncIterable[_T], +) -> AsyncGenerator[_T]: """Wraps an iterable (sync or async) into an async generator.""" if isinstance(it, AsyncIterable): async for r in it: diff --git a/scrapy/utils/conf.py b/scrapy/utils/conf.py index 463bbb5df..64cd31c4b 100644 --- a/scrapy/utils/conf.py +++ b/scrapy/utils/conf.py @@ -8,7 +8,7 @@ from collections.abc import Iterable from configparser import ConfigParser from operator import itemgetter from pathlib import Path -from typing import TYPE_CHECKING, Any, Callable, Optional, Union, cast +from typing import TYPE_CHECKING, Any, Callable, cast from scrapy.exceptions import ScrapyDeprecationWarning, UsageError from scrapy.settings import BaseSettings @@ -33,7 +33,7 @@ def build_component_list( "please update your settings" ) - def _map_keys(compdict: Mapping[Any, Any]) -> Union[BaseSettings, dict[Any, Any]]: + def _map_keys(compdict: Mapping[Any, Any]) -> BaseSettings | dict[Any, Any]: if isinstance(compdict, BaseSettings): compbs = BaseSettings() for k, v in compdict.items(): @@ -86,8 +86,8 @@ def arglist_to_dict(arglist: list[str]) -> dict[str, str]: def closest_scrapy_cfg( - path: Union[str, os.PathLike] = ".", - prevpath: Optional[Union[str, os.PathLike]] = None, + path: str | os.PathLike = ".", + prevpath: str | os.PathLike | None = None, ) -> str: """Return the path to the closest scrapy.cfg file by traversing the current directory and its parents @@ -159,8 +159,8 @@ def feed_complete_default_values_from_settings( def feed_process_params_from_cli( settings: BaseSettings, output: list[str], - output_format: Optional[str] = None, - overwrite_output: Optional[list[str]] = None, + output_format: str | None = None, + overwrite_output: list[str] | None = None, ) -> dict[str, dict[str, Any]]: """ Receives feed export params (from the 'crawl' or 'runspider' commands), diff --git a/scrapy/utils/console.py b/scrapy/utils/console.py index 3b5596ab7..aecd3fdb7 100644 --- a/scrapy/utils/console.py +++ b/scrapy/utils/console.py @@ -2,7 +2,7 @@ from __future__ import annotations from collections.abc import Callable from functools import wraps -from typing import TYPE_CHECKING, Any, Optional +from typing import TYPE_CHECKING, Any if TYPE_CHECKING: from collections.abc import Iterable @@ -100,7 +100,7 @@ DEFAULT_PYTHON_SHELLS: KnownShellsT = { def get_shell_embed_func( - shells: Optional[Iterable[str]] = None, known_shells: Optional[KnownShellsT] = None + shells: Iterable[str] | None = None, known_shells: KnownShellsT | None = None ) -> Any: """Return the first acceptable shell-embed function from a given list of shell names. @@ -120,9 +120,9 @@ def get_shell_embed_func( def start_python_console( - namespace: Optional[dict[str, Any]] = None, + namespace: dict[str, Any] | None = None, banner: str = "", - shells: Optional[Iterable[str]] = None, + shells: Iterable[str] | None = None, ) -> None: """Start Python console bound to the given namespace. Readline support and tab completion will be used on Unix, if available. diff --git a/scrapy/utils/curl.py b/scrapy/utils/curl.py index 9c7f63848..bfdd4dc8a 100644 --- a/scrapy/utils/curl.py +++ b/scrapy/utils/curl.py @@ -4,7 +4,7 @@ import argparse import warnings from http.cookies import SimpleCookie from shlex import split -from typing import TYPE_CHECKING, Any, NoReturn, Optional, Union +from typing import TYPE_CHECKING, Any, NoReturn from urllib.parse import urlparse from w3lib.http import basic_auth_header @@ -18,8 +18,8 @@ class DataAction(argparse.Action): self, parser: argparse.ArgumentParser, namespace: argparse.Namespace, - values: Union[str, Sequence[Any], None], - option_string: Optional[str] = None, + values: str | Sequence[Any] | None, + option_string: str | None = None, ) -> None: value = str(values) if value.startswith("$"): diff --git a/scrapy/utils/datatypes.py b/scrapy/utils/datatypes.py index c78325676..98ecb2f02 100644 --- a/scrapy/utils/datatypes.py +++ b/scrapy/utils/datatypes.py @@ -12,7 +12,7 @@ import warnings import weakref from collections import OrderedDict from collections.abc import Mapping -from typing import TYPE_CHECKING, Any, AnyStr, Optional, TypeVar, Union +from typing import TYPE_CHECKING, Any, AnyStr, TypeVar from scrapy.exceptions import ScrapyDeprecationWarning @@ -44,7 +44,7 @@ class CaselessDict(dict): def __init__( self, - seq: Union[Mapping[AnyStr, Any], Iterable[tuple[AnyStr, Any]], None] = None, + seq: Mapping[AnyStr, Any] | Iterable[tuple[AnyStr, Any]] | None = None, ): super().__init__() if seq: @@ -84,7 +84,7 @@ class CaselessDict(dict): return dict.setdefault(self, self.normkey(key), self.normvalue(def_val)) # type: ignore[arg-type] # doesn't fully implement MutableMapping.update() - def update(self, seq: Union[Mapping[AnyStr, Any], Iterable[tuple[AnyStr, Any]]]) -> None: # type: ignore[override] + def update(self, seq: Mapping[AnyStr, Any] | Iterable[tuple[AnyStr, Any]]) -> None: # type: ignore[override] seq = seq.items() if isinstance(seq, Mapping) else seq iseq = ((self.normkey(k), self.normvalue(v)) for k, v in seq) super().update(iseq) @@ -145,9 +145,9 @@ class LocalCache(OrderedDict[_KT, _VT]): Older items expires first. """ - def __init__(self, limit: Optional[int] = None): + def __init__(self, limit: int | None = None): super().__init__() - self.limit: Optional[int] = limit + self.limit: int | None = limit def __setitem__(self, key: _KT, value: _VT) -> None: if self.limit: @@ -168,7 +168,7 @@ class LocalWeakReferencedCache(weakref.WeakKeyDictionary): it cannot be instantiated with an initial dictionary. """ - def __init__(self, limit: Optional[int] = None): + def __init__(self, limit: int | None = None): super().__init__() self.data: LocalCache = LocalCache(limit=limit) @@ -178,7 +178,7 @@ class LocalWeakReferencedCache(weakref.WeakKeyDictionary): except TypeError: pass # key is not weak-referenceable, skip caching - def __getitem__(self, key: _KT) -> Optional[_VT]: # type: ignore[override] + def __getitem__(self, key: _KT) -> _VT | None: # type: ignore[override] try: return super().__getitem__(key) except (TypeError, KeyError): diff --git a/scrapy/utils/defer.py b/scrapy/utils/defer.py index aeacadb1c..9ca6c6a24 100644 --- a/scrapy/utils/defer.py +++ b/scrapy/utils/defer.py @@ -11,7 +11,7 @@ from asyncio import Future from collections.abc import Awaitable, Coroutine, Iterable, Iterator from functools import wraps from types import CoroutineType -from typing import TYPE_CHECKING, Any, Generic, Optional, TypeVar, Union, cast, overload +from typing import TYPE_CHECKING, Any, Generic, TypeVar, Union, cast, overload from twisted.internet import defer from twisted.internet.defer import Deferred, DeferredList, ensureDeferred @@ -93,7 +93,7 @@ def mustbe_deferred( def mustbe_deferred( - f: Callable[_P, Union[Deferred[_T], Coroutine[Deferred[Any], Any, _T], _T]], + f: Callable[_P, Deferred[_T] | Coroutine[Deferred[Any], Any, _T] | _T], *args: _P.args, **kw: _P.kwargs, ) -> Deferred[_T]: @@ -179,17 +179,17 @@ class _AsyncCooperatorAdapter(Iterator, Generic[_T]): def __init__( self, aiterable: AsyncIterable[_T], - callable: Callable[Concatenate[_T, _P], Optional[Deferred[Any]]], + callable: Callable[Concatenate[_T, _P], Deferred[Any] | None], *callable_args: _P.args, **callable_kwargs: _P.kwargs, ): self.aiterator: AsyncIterator[_T] = aiterable.__aiter__() - self.callable: Callable[Concatenate[_T, _P], Optional[Deferred[Any]]] = callable + self.callable: Callable[Concatenate[_T, _P], Deferred[Any] | None] = callable self.callable_args: tuple[Any, ...] = callable_args self.callable_kwargs: dict[str, Any] = callable_kwargs self.finished: bool = False self.waiting_deferreds: list[Deferred[Any]] = [] - self.anext_deferred: Optional[Deferred[_T]] = None + self.anext_deferred: Deferred[_T] | None = None def _callback(self, result: _T) -> None: # This gets called when the result from aiterator.__anext__() is available. @@ -237,7 +237,7 @@ class _AsyncCooperatorAdapter(Iterator, Generic[_T]): def parallel_async( async_iterable: AsyncIterable[_T], count: int, - callable: Callable[Concatenate[_T, _P], Optional[Deferred[Any]]], + callable: Callable[Concatenate[_T, _P], Deferred[Any] | None], *args: _P.args, **named: _P.kwargs, ) -> Deferred[list[tuple[bool, Iterator[Deferred[Any]]]]]: @@ -362,7 +362,7 @@ def deferred_from_coro(o: _CT) -> Deferred: ... def deferred_from_coro(o: _T) -> _T: ... -def deferred_from_coro(o: _T) -> Union[Deferred, _T]: +def deferred_from_coro(o: _T) -> Deferred | _T: """Converts a coroutine into a Deferred, or returns the object as is if it isn't a coroutine""" if isinstance(o, Deferred): return o @@ -433,7 +433,7 @@ def deferred_to_future(d: Deferred[_T]) -> Future[_T]: return d.asFuture(_get_asyncio_event_loop()) -def maybe_deferred_to_future(d: Deferred[_T]) -> Union[Deferred[_T], Future[_T]]: +def maybe_deferred_to_future(d: Deferred[_T]) -> Deferred[_T] | Future[_T]: """ .. versionadded:: 2.6.0 diff --git a/scrapy/utils/deprecate.py b/scrapy/utils/deprecate.py index 9b0d476a1..32430cd6c 100644 --- a/scrapy/utils/deprecate.py +++ b/scrapy/utils/deprecate.py @@ -1,8 +1,10 @@ """Some helpers for deprecation messages""" +from __future__ import annotations + import inspect import warnings -from typing import Any, Optional, overload +from typing import Any, overload from scrapy.exceptions import ScrapyDeprecationWarning @@ -20,11 +22,11 @@ def attribute(obj: Any, oldattr: str, newattr: str, version: str = "0.12") -> No def create_deprecated_class( name: str, new_class: type, - clsdict: Optional[dict[str, Any]] = None, + clsdict: dict[str, Any] | None = None, warn_category: type[Warning] = ScrapyDeprecationWarning, warn_once: bool = True, - old_class_path: Optional[str] = None, - new_class_path: Optional[str] = None, + old_class_path: str | None = None, + new_class_path: str | None = None, subclass_warn_message: str = "{cls} inherits from deprecated class {old}, please inherit from {new}.", instance_warn_message: str = "{cls} is deprecated, instantiate {new} instead.", ) -> type: @@ -55,7 +57,7 @@ def create_deprecated_class( # https://github.com/python/mypy/issues/4177 class DeprecatedClass(new_class.__class__): # type: ignore[misc, name-defined] - deprecated_class: Optional[type] = None + deprecated_class: type | None = None warned_on_subclass: bool = False def __new__( @@ -128,7 +130,7 @@ def create_deprecated_class( return deprecated_cls -def _clspath(cls: type, forced: Optional[str] = None) -> str: +def _clspath(cls: type, forced: str | None = None) -> str: if forced is not None: return forced return f"{cls.__module__}.{cls.__name__}" diff --git a/scrapy/utils/httpobj.py b/scrapy/utils/httpobj.py index 3cf9585ec..58b4539bf 100644 --- a/scrapy/utils/httpobj.py +++ b/scrapy/utils/httpobj.py @@ -2,7 +2,7 @@ from __future__ import annotations -from typing import TYPE_CHECKING, Union +from typing import TYPE_CHECKING from urllib.parse import ParseResult, urlparse from weakref import WeakKeyDictionary @@ -10,12 +10,12 @@ if TYPE_CHECKING: from scrapy.http import Request, Response -_urlparse_cache: WeakKeyDictionary[Union[Request, Response], ParseResult] = ( +_urlparse_cache: WeakKeyDictionary[Request | Response, ParseResult] = ( WeakKeyDictionary() ) -def urlparse_cached(request_or_response: Union[Request, Response]) -> ParseResult: +def urlparse_cached(request_or_response: Request | Response) -> ParseResult: """Return urlparse.urlparse caching the result, where the argument can be a Request or Response object """ diff --git a/scrapy/utils/iterators.py b/scrapy/utils/iterators.py index a4d339adc..ba58d939c 100644 --- a/scrapy/utils/iterators.py +++ b/scrapy/utils/iterators.py @@ -4,7 +4,7 @@ import csv import logging import re from io import StringIO -from typing import TYPE_CHECKING, Any, Literal, Optional, Union, cast, overload +from typing import TYPE_CHECKING, Any, Literal, cast, overload from warnings import warn from lxml import etree # nosec @@ -20,7 +20,7 @@ if TYPE_CHECKING: logger = logging.getLogger(__name__) -def xmliter(obj: Union[Response, str, bytes], nodename: str) -> Iterator[Selector]: +def xmliter(obj: Response | str | bytes, nodename: str) -> Iterator[Selector]: """Return a iterator of Selector's over all nodes of a XML document, given the name of the node to iterate. Useful for parsing XML feeds. @@ -77,9 +77,9 @@ def xmliter(obj: Union[Response, str, bytes], nodename: str) -> Iterator[Selecto def xmliter_lxml( - obj: Union[Response, str, bytes], + obj: Response | str | bytes, nodename: str, - namespace: Optional[str] = None, + namespace: str | None = None, prefix: str = "x", ) -> Iterator[Selector]: reader = _StreamReader(obj) @@ -120,9 +120,9 @@ def xmliter_lxml( class _StreamReader: - def __init__(self, obj: Union[Response, str, bytes]): + def __init__(self, obj: Response | str | bytes): self._ptr: int = 0 - self._text: Union[str, bytes] + self._text: str | bytes if isinstance(obj, TextResponse): self._text, self.encoding = obj.body, obj.encoding elif isinstance(obj, Response): @@ -154,11 +154,11 @@ class _StreamReader: def csviter( - obj: Union[Response, str, bytes], - delimiter: Optional[str] = None, - headers: Optional[list[str]] = None, - encoding: Optional[str] = None, - quotechar: Optional[str] = None, + obj: Response | str | bytes, + delimiter: str | None = None, + headers: list[str] | None = None, + encoding: str | None = None, + quotechar: str | None = None, ) -> Iterator[dict[str, str]]: """Returns an iterator of dictionaries from the given csv object @@ -214,22 +214,18 @@ def csviter( @overload -def _body_or_str(obj: Union[Response, str, bytes]) -> str: ... +def _body_or_str(obj: Response | str | bytes) -> str: ... @overload -def _body_or_str(obj: Union[Response, str, bytes], unicode: Literal[True]) -> str: ... +def _body_or_str(obj: Response | str | bytes, unicode: Literal[True]) -> str: ... @overload -def _body_or_str( - obj: Union[Response, str, bytes], unicode: Literal[False] -) -> bytes: ... +def _body_or_str(obj: Response | str | bytes, unicode: Literal[False]) -> bytes: ... -def _body_or_str( - obj: Union[Response, str, bytes], unicode: bool = True -) -> Union[str, bytes]: +def _body_or_str(obj: Response | str | bytes, unicode: bool = True) -> str | bytes: expected_types = (Response, str, bytes) if not isinstance(obj, expected_types): expected_types_str = " or ".join(t.__name__ for t in expected_types) diff --git a/scrapy/utils/job.py b/scrapy/utils/job.py index 488c7994b..37e6aeb51 100644 --- a/scrapy/utils/job.py +++ b/scrapy/utils/job.py @@ -1,14 +1,14 @@ from __future__ import annotations from pathlib import Path -from typing import TYPE_CHECKING, Optional +from typing import TYPE_CHECKING if TYPE_CHECKING: from scrapy.settings import BaseSettings -def job_dir(settings: BaseSettings) -> Optional[str]: - path: Optional[str] = settings["JOBDIR"] +def job_dir(settings: BaseSettings) -> str | None: + path: str | None = settings["JOBDIR"] if not path: return None if not Path(path).exists(): diff --git a/scrapy/utils/log.py b/scrapy/utils/log.py index 2b90c6b36..c3808426a 100644 --- a/scrapy/utils/log.py +++ b/scrapy/utils/log.py @@ -5,7 +5,7 @@ import sys from collections.abc import MutableMapping from logging.config import dictConfig from types import TracebackType -from typing import TYPE_CHECKING, Any, Optional, Union, cast +from typing import TYPE_CHECKING, Any, Optional, cast from twisted.python import log as twisted_log from twisted.python.failure import Failure @@ -25,7 +25,7 @@ logger = logging.getLogger(__name__) def failure_to_exc_info( failure: Failure, -) -> Optional[tuple[type[BaseException], BaseException, Optional[TracebackType]]]: +) -> tuple[type[BaseException], BaseException, TracebackType | None] | None: """Extract exc_info from Failure instances""" if isinstance(failure, Failure): assert failure.type @@ -50,7 +50,7 @@ class TopLevelFormatter(logging.Filter): ``loggers`` list where it should act. """ - def __init__(self, loggers: Optional[list[str]] = None): + def __init__(self, loggers: list[str] | None = None): self.loggers: list[str] = loggers or [] def filter(self, record: logging.LogRecord) -> bool: @@ -80,7 +80,7 @@ DEFAULT_LOGGING = { def configure_logging( - settings: Union[Settings, dict[_SettingsKeyT, Any], None] = None, + settings: Settings | dict[_SettingsKeyT, Any] | None = None, install_root_handler: bool = True, ) -> None: """ @@ -125,7 +125,7 @@ def configure_logging( install_scrapy_root_handler(settings) -_scrapy_root_handler: Optional[logging.Handler] = None +_scrapy_root_handler: logging.Handler | None = None def install_scrapy_root_handler(settings: Settings) -> None: @@ -141,7 +141,7 @@ def install_scrapy_root_handler(settings: Settings) -> None: logging.root.addHandler(_scrapy_root_handler) -def get_scrapy_root_handler() -> Optional[logging.Handler]: +def get_scrapy_root_handler() -> logging.Handler | None: return _scrapy_root_handler @@ -231,7 +231,7 @@ class LogCounterHandler(logging.Handler): def logformatter_adapter( logkws: LogFormatterResult, -) -> tuple[int, str, Union[dict[str, Any], tuple[Any, ...]]]: +) -> tuple[int, str, dict[str, Any] | tuple[Any, ...]]: """ Helper that takes the dictionary output from the methods in LogFormatter and adapts it into a tuple of positional arguments for logger.log calls, diff --git a/scrapy/utils/misc.py b/scrapy/utils/misc.py index e5e00512a..1ab30f097 100644 --- a/scrapy/utils/misc.py +++ b/scrapy/utils/misc.py @@ -14,7 +14,7 @@ from contextlib import contextmanager from functools import partial from importlib import import_module from pkgutil import iter_modules -from typing import IO, TYPE_CHECKING, Any, Optional, TypeVar, Union, cast +from typing import IO, TYPE_CHECKING, Any, TypeVar, cast from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.item import Item @@ -46,7 +46,7 @@ def arg_to_iter(arg: Any) -> Iterable[Any]: return [arg] -def load_object(path: Union[str, Callable[..., Any]]) -> Any: +def load_object(path: str | Callable[..., Any]) -> Any: """Load an object given its absolute object path, and return it. The object can be the import path of a class, function, variable or an @@ -126,7 +126,7 @@ def md5sum(file: IO[bytes]) -> str: return m.hexdigest() -def rel_has_nofollow(rel: Optional[str]) -> bool: +def rel_has_nofollow(rel: str | None) -> bool: """Return True if link rel attribute has nofollow type""" return rel is not None and "nofollow" in rel.replace(",", " ").split() diff --git a/scrapy/utils/ossignal.py b/scrapy/utils/ossignal.py index cff5eb629..ad758b783 100644 --- a/scrapy/utils/ossignal.py +++ b/scrapy/utils/ossignal.py @@ -1,3 +1,5 @@ +from __future__ import annotations + import signal from collections.abc import Callable from types import FrameType diff --git a/scrapy/utils/project.py b/scrapy/utils/project.py index c9e5eb857..0139720b7 100644 --- a/scrapy/utils/project.py +++ b/scrapy/utils/project.py @@ -1,8 +1,9 @@ +from __future__ import annotations + import os import warnings from importlib import import_module from pathlib import Path -from typing import Union from scrapy.exceptions import NotConfigured from scrapy.settings import Settings @@ -45,7 +46,7 @@ def project_data_dir(project: str = "default") -> str: return str(d) -def data_path(path: Union[str, os.PathLike[str]], createdir: bool = False) -> str: +def data_path(path: str | os.PathLike[str], createdir: bool = False) -> str: """ Return the given path joined with the .scrapy data directory. If given an absolute path, return it unmodified. diff --git a/scrapy/utils/python.py b/scrapy/utils/python.py index 91c5d67f5..6268af728 100644 --- a/scrapy/utils/python.py +++ b/scrapy/utils/python.py @@ -12,7 +12,7 @@ import weakref from collections.abc import AsyncIterable, Iterable, Mapping from functools import partial, wraps from itertools import chain -from typing import TYPE_CHECKING, Any, Optional, TypeVar, Union, overload +from typing import TYPE_CHECKING, Any, TypeVar, overload from scrapy.utils.asyncgen import as_async_generator @@ -99,7 +99,7 @@ def unique(list_: Iterable[_T], key: Callable[[_T], Any] = lambda x: x) -> list[ def to_unicode( - text: Union[str, bytes], encoding: Optional[str] = None, errors: str = "strict" + text: str | bytes, encoding: str | None = None, errors: str = "strict" ) -> str: """Return the unicode representation of a bytes object ``text``. If ``text`` is already an unicode object, return it as-is.""" @@ -116,7 +116,7 @@ def to_unicode( def to_bytes( - text: Union[str, bytes], encoding: Optional[str] = None, errors: str = "strict" + text: str | bytes, encoding: str | None = None, errors: str = "strict" ) -> bytes: """Return the binary representation of ``text``. If ``text`` is already a bytes object, return it as-is.""" @@ -132,8 +132,8 @@ def to_bytes( def re_rsearch( - pattern: Union[str, Pattern[str]], text: str, chunk_size: int = 1024 -) -> Optional[tuple[int, int]]: + pattern: str | Pattern[str], text: str, chunk_size: int = 1024 +) -> tuple[int, int] | None: """ This function does a reverse search in a text using a regular expression given in the attribute 'pattern'. @@ -269,7 +269,7 @@ def get_spec(func: Callable[..., Any]) -> tuple[list[str], dict[str, Any]]: def equal_attributes( - obj1: Any, obj2: Any, attributes: Optional[list[Union[str, Callable[[Any], Any]]]] + obj1: Any, obj2: Any, attributes: list[str | Callable[[Any], Any]] | None ) -> bool: """Compare two objects attributes""" # not attributes given return False by default @@ -297,8 +297,8 @@ def without_none_values(iterable: Iterable[_KT]) -> Iterable[_KT]: ... def without_none_values( - iterable: Union[Mapping[_KT, _VT], Iterable[_KT]] -) -> Union[dict[_KT, _VT], Iterable[_KT]]: + iterable: Mapping[_KT, _VT] | Iterable[_KT] +) -> dict[_KT, _VT] | Iterable[_KT]: """Return a copy of ``iterable`` with all ``None`` entries removed. If ``iterable`` is a mapping, return a dictionary where all pairs that have @@ -354,7 +354,7 @@ class MutableChain(Iterable[_T]): async def _async_chain( - *iterables: Union[Iterable[_T], AsyncIterable[_T]] + *iterables: Iterable[_T] | AsyncIterable[_T], ) -> AsyncIterator[_T]: for it in iterables: async for o in as_async_generator(it): @@ -366,10 +366,10 @@ class MutableAsyncChain(AsyncIterable[_T]): Similar to MutableChain but for async iterables """ - def __init__(self, *args: Union[Iterable[_T], AsyncIterable[_T]]): + def __init__(self, *args: Iterable[_T] | AsyncIterable[_T]): self.data: AsyncIterator[_T] = _async_chain(*args) - def extend(self, *iterables: Union[Iterable[_T], AsyncIterable[_T]]) -> None: + def extend(self, *iterables: Iterable[_T] | AsyncIterable[_T]) -> None: self.data = _async_chain(self.data, _async_chain(*iterables)) def __aiter__(self) -> AsyncIterator[_T]: diff --git a/scrapy/utils/reactor.py b/scrapy/utils/reactor.py index ed2fb5959..18bb583b8 100644 --- a/scrapy/utils/reactor.py +++ b/scrapy/utils/reactor.py @@ -3,7 +3,7 @@ from __future__ import annotations import asyncio import sys from contextlib import suppress -from typing import TYPE_CHECKING, Any, Generic, Optional, TypeVar +from typing import TYPE_CHECKING, Any, Generic, TypeVar from warnings import catch_warnings, filterwarnings, warn from twisted.internet import asyncioreactor, error @@ -54,7 +54,7 @@ class CallLaterOnce(Generic[_T]): self._func: Callable[_P, _T] = func self._a: tuple[Any, ...] = a self._kw: dict[str, Any] = kw - self._call: Optional[DelayedCall] = None + self._call: DelayedCall | None = None def schedule(self, delay: float = 0) -> None: from twisted.internet import reactor @@ -107,7 +107,7 @@ def _get_asyncio_event_loop_policy() -> AbstractEventLoopPolicy: return policy -def install_reactor(reactor_path: str, event_loop_path: Optional[str] = None) -> None: +def install_reactor(reactor_path: str, event_loop_path: str | None = None) -> None: """Installs the :mod:`~twisted.internet.reactor` with the specified import path. Also installs the asyncio event loop with the specified import path if the asyncio reactor is enabled""" @@ -129,7 +129,7 @@ def _get_asyncio_event_loop() -> AbstractEventLoop: return set_asyncio_event_loop(None) -def set_asyncio_event_loop(event_loop_path: Optional[str]) -> AbstractEventLoop: +def set_asyncio_event_loop(event_loop_path: str | None) -> AbstractEventLoop: """Sets and returns the event loop with specified import path.""" if event_loop_path is not None: event_loop_class: type[AbstractEventLoop] = load_object(event_loop_path) diff --git a/scrapy/utils/request.py b/scrapy/utils/request.py index 052a3721a..82bdcb0f9 100644 --- a/scrapy/utils/request.py +++ b/scrapy/utils/request.py @@ -8,7 +8,7 @@ from __future__ import annotations import hashlib import json import warnings -from typing import TYPE_CHECKING, Any, Optional, Protocol, Union +from typing import TYPE_CHECKING, Any, Protocol from urllib.parse import urlunparse from weakref import WeakKeyDictionary @@ -38,7 +38,7 @@ def _serialize_headers(headers: Iterable[bytes], request: Request) -> Iterable[b _fingerprint_cache: WeakKeyDictionary[ - Request, dict[tuple[Optional[tuple[bytes, ...]], bool], bytes] + Request, dict[tuple[tuple[bytes, ...] | None, bool], bytes] ] _fingerprint_cache = WeakKeyDictionary() @@ -46,7 +46,7 @@ _fingerprint_cache = WeakKeyDictionary() def fingerprint( request: Request, *, - include_headers: Optional[Iterable[Union[bytes, str]]] = None, + include_headers: Iterable[bytes | str] | None = None, keep_fragments: bool = False, ) -> bytes: """ @@ -79,7 +79,7 @@ def fingerprint( If you want to include them, set the keep_fragments argument to True (for instance when handling requests with a headless browser). """ - processed_include_headers: Optional[tuple[bytes, ...]] = None + processed_include_headers: tuple[bytes, ...] | None = None if include_headers: processed_include_headers = tuple( to_bytes(h.lower()) for h in sorted(include_headers) @@ -129,7 +129,7 @@ class RequestFingerprinter: def from_crawler(cls, crawler: Crawler) -> Self: return cls(crawler) - def __init__(self, crawler: Optional[Crawler] = None): + def __init__(self, crawler: Crawler | None = None): if crawler: implementation = crawler.settings.get( "REQUEST_FINGERPRINTER_IMPLEMENTATION" @@ -177,7 +177,7 @@ def request_httprepr(request: Request) -> bytes: return s -def referer_str(request: Request) -> Optional[str]: +def referer_str(request: Request) -> str | None: """Return Referer HTTP header suitable for logging.""" referrer = request.headers.get("Referer") if referrer is None: @@ -185,7 +185,7 @@ def referer_str(request: Request) -> Optional[str]: return to_unicode(referrer, errors="replace") -def request_from_dict(d: dict[str, Any], *, spider: Optional[Spider] = None) -> Request: +def request_from_dict(d: dict[str, Any], *, spider: Spider | None = None) -> Request: """Create a :class:`~scrapy.Request` object from a dict. If a spider is given, it will try to resolve the callbacks looking at the diff --git a/scrapy/utils/response.py b/scrapy/utils/response.py index 0ca9d07a4..ecc83d1c8 100644 --- a/scrapy/utils/response.py +++ b/scrapy/utils/response.py @@ -9,7 +9,7 @@ import os import re import tempfile import webbrowser -from typing import TYPE_CHECKING, Any, Union +from typing import TYPE_CHECKING, Any from weakref import WeakKeyDictionary from twisted.web import http @@ -35,15 +35,15 @@ def get_base_url(response: TextResponse) -> str: return _baseurl_cache[response] -_metaref_cache: WeakKeyDictionary[ - Response, Union[tuple[None, None], tuple[float, str]] -] = WeakKeyDictionary() +_metaref_cache: WeakKeyDictionary[Response, tuple[None, None] | tuple[float, str]] = ( + WeakKeyDictionary() +) def get_meta_refresh( response: TextResponse, ignore_tags: Iterable[str] = ("script", "noscript"), -) -> Union[tuple[None, None], tuple[float, str]]: +) -> tuple[None, None] | tuple[float, str]: """Parse the http-equiv refresh parameter from the given response""" if response not in _metaref_cache: text = response.text[0:4096] @@ -53,7 +53,7 @@ def get_meta_refresh( return _metaref_cache[response] -def response_status_message(status: Union[bytes, float, int, str]) -> str: +def response_status_message(status: bytes | float | int | str) -> str: """Return status code plus status text descriptive message""" status_int = int(status) message = http.RESPONSES.get(status_int, "Unknown Status") diff --git a/scrapy/utils/sitemap.py b/scrapy/utils/sitemap.py index 1f70fcf69..c572580ae 100644 --- a/scrapy/utils/sitemap.py +++ b/scrapy/utils/sitemap.py @@ -7,7 +7,7 @@ SitemapSpider, its API is subject to change without notice. from __future__ import annotations -from typing import TYPE_CHECKING, Any, Optional, Union +from typing import TYPE_CHECKING, Any from urllib.parse import urljoin import lxml.etree # nosec @@ -20,7 +20,7 @@ class Sitemap: """Class to parse Sitemap (type=urlset) and Sitemap Index (type=sitemapindex) files""" - def __init__(self, xmltext: Union[str, bytes]): + def __init__(self, xmltext: str | bytes): xmlp = lxml.etree.XMLParser( recover=True, remove_comments=True, resolve_entities=False ) @@ -46,7 +46,7 @@ class Sitemap: def sitemap_urls_from_robots( - robots_text: str, base_url: Optional[str] = None + robots_text: str, base_url: str | None = None ) -> Iterable[str]: """Return an iterator over all sitemap urls contained in the given robots.txt file diff --git a/scrapy/utils/spider.py b/scrapy/utils/spider.py index 02dbb2e90..e58eb8134 100644 --- a/scrapy/utils/spider.py +++ b/scrapy/utils/spider.py @@ -2,7 +2,7 @@ from __future__ import annotations import inspect import logging -from typing import TYPE_CHECKING, Any, Literal, Optional, TypeVar, Union, overload +from typing import TYPE_CHECKING, Any, Literal, TypeVar, overload from scrapy.spiders import Spider from scrapy.utils.defer import deferred_from_coro @@ -25,7 +25,7 @@ _T = TypeVar("_T") # https://stackoverflow.com/questions/60222982 @overload -def iterate_spider_output(result: AsyncGenerator[_T, None]) -> AsyncGenerator[_T, None]: ... # type: ignore[overload-overlap] +def iterate_spider_output(result: AsyncGenerator[_T]) -> AsyncGenerator[_T]: ... # type: ignore[overload-overlap] @overload @@ -38,7 +38,7 @@ def iterate_spider_output(result: _T) -> Iterable[Any]: ... def iterate_spider_output( result: Any, -) -> Union[Iterable[Any], AsyncGenerator[_T, None], Deferred[_T]]: +) -> Iterable[Any] | AsyncGenerator[_T] | Deferred[_T]: if inspect.isasyncgen(result): return result if inspect.iscoroutine(result): @@ -83,7 +83,7 @@ def spidercls_for_request( default_spidercls: Literal[None], log_none: bool = ..., log_multiple: bool = ..., -) -> Optional[type[Spider]]: ... +) -> type[Spider] | None: ... @overload @@ -93,16 +93,16 @@ def spidercls_for_request( *, log_none: bool = ..., log_multiple: bool = ..., -) -> Optional[type[Spider]]: ... +) -> type[Spider] | None: ... def spidercls_for_request( spider_loader: SpiderLoader, request: Request, - default_spidercls: Optional[type[Spider]] = None, + default_spidercls: type[Spider] | None = None, log_none: bool = False, log_multiple: bool = False, -) -> Optional[type[Spider]]: +) -> type[Spider] | None: """Return a spider class that handles the given Request. This will look for the spiders that can handle the given request (using diff --git a/scrapy/utils/ssl.py b/scrapy/utils/ssl.py index 2c3a259c1..7d46cbd4f 100644 --- a/scrapy/utils/ssl.py +++ b/scrapy/utils/ssl.py @@ -1,6 +1,6 @@ from __future__ import annotations -from typing import TYPE_CHECKING, Any, Optional +from typing import TYPE_CHECKING, Any import OpenSSL._util as pyOpenSSLutil import OpenSSL.SSL @@ -26,7 +26,7 @@ def x509name_to_string(x509name: X509Name) -> str: return ffi_buf_to_string(result_buffer) -def get_temp_key_info(ssl_object: Any) -> Optional[str]: +def get_temp_key_info(ssl_object: Any) -> str | None: # adapted from OpenSSL apps/s_cb.c::ssl_print_tmp_key() if not hasattr(pyOpenSSLutil.lib, "SSL_get_server_tmp_key"): # removed in cryptography 40.0.0 diff --git a/scrapy/utils/template.py b/scrapy/utils/template.py index 08f3f2dc9..3e4dae5c8 100644 --- a/scrapy/utils/template.py +++ b/scrapy/utils/template.py @@ -5,13 +5,13 @@ from __future__ import annotations import re import string from pathlib import Path -from typing import TYPE_CHECKING, Any, Union +from typing import TYPE_CHECKING, Any if TYPE_CHECKING: from os import PathLike -def render_templatefile(path: Union[str, PathLike], **kwargs: Any) -> None: +def render_templatefile(path: str | PathLike, **kwargs: Any) -> None: path_obj = Path(path) raw = path_obj.read_text("utf8") diff --git a/scrapy/utils/test.py b/scrapy/utils/test.py index 860a2e3dd..d65f2a76d 100644 --- a/scrapy/utils/test.py +++ b/scrapy/utils/test.py @@ -9,7 +9,7 @@ import os from importlib import import_module from pathlib import Path from posixpath import split -from typing import TYPE_CHECKING, Any, Optional, TypeVar +from typing import TYPE_CHECKING, Any, TypeVar from unittest import TestCase, mock from twisted.trial.unittest import SkipTest @@ -84,8 +84,8 @@ class TestSpider(Spider): def get_crawler( - spidercls: Optional[type[Spider]] = None, - settings_dict: Optional[dict[str, Any]] = None, + spidercls: type[Spider] | None = None, + settings_dict: dict[str, Any] | None = None, prevent_warnings: bool = True, ) -> Crawler: """Return an unconfigured Crawler object. If settings_dict is given, it @@ -120,7 +120,7 @@ def get_testenv() -> dict[str, str]: def assert_samelines( - testcase: TestCase, text1: str, text2: str, msg: Optional[str] = None + testcase: TestCase, text1: str, text2: str, msg: str | None = None ) -> None: """Asserts text1 and text2 have the same lines, ignoring differences in line endings between platforms diff --git a/scrapy/utils/testproc.py b/scrapy/utils/testproc.py index dfc823725..05e04e2d1 100644 --- a/scrapy/utils/testproc.py +++ b/scrapy/utils/testproc.py @@ -2,7 +2,7 @@ from __future__ import annotations import os import sys -from typing import TYPE_CHECKING, Optional, cast +from typing import TYPE_CHECKING, cast from twisted.internet.defer import Deferred from twisted.internet.error import ProcessTerminated @@ -15,7 +15,7 @@ if TYPE_CHECKING: class ProcessTest: - command: Optional[str] = None + command: str | None = None prefix = [sys.executable, "-m", "scrapy.cmdline"] cwd = os.getcwd() # trial chdirs to temp dir @@ -23,7 +23,7 @@ class ProcessTest: self, args: Iterable[str], check_code: bool = True, - settings: Optional[str] = None, + settings: str | None = None, ) -> Deferred[TestProcessProtocol]: from twisted.internet import reactor @@ -54,7 +54,7 @@ class TestProcessProtocol(ProcessProtocol): self.deferred: Deferred[TestProcessProtocol] = Deferred() self.out: bytes = b"" self.err: bytes = b"" - self.exitcode: Optional[int] = None + self.exitcode: int | None = None def outReceived(self, data: bytes) -> None: self.out += data diff --git a/scrapy/utils/url.py b/scrapy/utils/url.py index 41d268baa..e0a2973f7 100644 --- a/scrapy/utils/url.py +++ b/scrapy/utils/url.py @@ -9,7 +9,7 @@ to the w3lib.url module. Always import those from there instead. from __future__ import annotations import re -from typing import TYPE_CHECKING, Optional, Union, cast +from typing import TYPE_CHECKING, Union, cast from urllib.parse import ParseResult, urldefrag, urlparse, urlunparse # scrapy.utils.url was moved to w3lib.url and import * ensures this @@ -50,7 +50,7 @@ def url_has_any_extension(url: UrlT, extensions: Iterable[str]) -> bool: return any(lowercase_path.endswith(ext) for ext in extensions) -def parse_url(url: UrlT, encoding: Optional[str] = None) -> ParseResult: +def parse_url(url: UrlT, encoding: str | None = None) -> ParseResult: """Return urlparsed url from the given argument (which could be an already parsed url) """ diff --git a/tests/CrawlerProcess/asyncio_deferred_signal.py b/tests/CrawlerProcess/asyncio_deferred_signal.py index 1afef4d24..028e3a08a 100644 --- a/tests/CrawlerProcess/asyncio_deferred_signal.py +++ b/tests/CrawlerProcess/asyncio_deferred_signal.py @@ -1,6 +1,7 @@ +from __future__ import annotations + import asyncio import sys -from typing import Optional from scrapy import Spider from scrapy.crawler import CrawlerProcess @@ -31,7 +32,7 @@ class UrlSpider(Spider): if __name__ == "__main__": - ASYNCIO_EVENT_LOOP: Optional[str] + ASYNCIO_EVENT_LOOP: str | None try: ASYNCIO_EVENT_LOOP = sys.argv[1] except IndexError: diff --git a/tests/spiders.py b/tests/spiders.py index 5d5792858..cc54240ef 100644 --- a/tests/spiders.py +++ b/tests/spiders.py @@ -2,9 +2,10 @@ Some spiders used for testing and benchmarking """ +from __future__ import annotations + import asyncio import time -from typing import Optional from urllib.parse import urlencode from twisted.internet import defer @@ -82,19 +83,19 @@ class DelaySpider(MetaSpider): class LogSpider(MetaSpider): name = "log_spider" - def log_debug(self, message: str, extra: Optional[dict] = None): + def log_debug(self, message: str, extra: dict | None = None): self.logger.debug(message, extra=extra) - def log_info(self, message: str, extra: Optional[dict] = None): + def log_info(self, message: str, extra: dict | None = None): self.logger.info(message, extra=extra) - def log_warning(self, message: str, extra: Optional[dict] = None): + def log_warning(self, message: str, extra: dict | None = None): self.logger.warning(message, extra=extra) - def log_error(self, message: str, extra: Optional[dict] = None): + def log_error(self, message: str, extra: dict | None = None): self.logger.error(message, extra=extra) - def log_critical(self, message: str, extra: Optional[dict] = None): + def log_critical(self, message: str, extra: dict | None = None): self.logger.critical(message, extra=extra) def parse(self, response): diff --git a/tests/test_commands.py b/tests/test_commands.py index 6ec7c21b0..e7df7b6e8 100644 --- a/tests/test_commands.py +++ b/tests/test_commands.py @@ -15,7 +15,7 @@ from shutil import copytree, rmtree from stat import S_IWRITE as ANYONE_WRITE_PERMISSION from tempfile import TemporaryFile, mkdtemp from threading import Timer -from typing import TYPE_CHECKING, Optional, Union +from typing import TYPE_CHECKING from unittest import skipIf from pytest import mark @@ -117,9 +117,7 @@ class ProjectTest(unittest.TestCase): return p, to_unicode(stdout), to_unicode(stderr) - def find_in_file( - self, filename: Union[str, os.PathLike], regex - ) -> Optional[re.Match]: + def find_in_file(self, filename: str | os.PathLike, regex) -> re.Match | None: """Find first pattern occurrence in file""" pattern = re.compile(regex) with Path(filename).open("r", encoding="utf-8") as f: @@ -198,7 +196,7 @@ class StartprojectTest(ProjectTest): def get_permissions_dict( - path: Union[str, os.PathLike], renamings=None, ignore=None + path: str | os.PathLike, renamings=None, ignore=None ) -> dict[str, str]: def get_permissions(path: Path) -> str: return oct(path.stat().st_mode) diff --git a/tests/test_downloader_handlers.py b/tests/test_downloader_handlers.py index f14a10a32..19cea97ec 100644 --- a/tests/test_downloader_handlers.py +++ b/tests/test_downloader_handlers.py @@ -1,10 +1,11 @@ +from __future__ import annotations + import contextlib import os import shutil import sys from pathlib import Path from tempfile import mkdtemp, mkstemp -from typing import Optional from unittest import SkipTest, mock from testfixtures import LogCapture @@ -692,7 +693,7 @@ class Https11CustomCiphers(unittest.TestCase): class Http11MockServerTestCase(unittest.TestCase): """HTTP 1.1 test case with MockServer""" - settings_dict: Optional[dict] = None + settings_dict: dict | None = None def setUp(self): self.mockserver = MockServer() diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py index ea3ed3b05..f59412ab4 100644 --- a/tests/test_feedexport.py +++ b/tests/test_feedexport.py @@ -18,7 +18,7 @@ from io import BytesIO from logging import getLogger from pathlib import Path from string import ascii_letters, digits -from typing import TYPE_CHECKING, Union +from typing import TYPE_CHECKING from unittest import mock from urllib.parse import quote, urljoin from urllib.request import pathname2url @@ -66,7 +66,7 @@ def printf_escape(string): return string.replace("%", "%%") -def build_url(path: Union[str, PathLike]) -> str: +def build_url(path: str | PathLike) -> str: path_str = str(path) if path_str[0] != "/": path_str = "/" + path_str diff --git a/tests/test_linkextractors.py b/tests/test_linkextractors.py index b1043c111..ed3394b01 100644 --- a/tests/test_linkextractors.py +++ b/tests/test_linkextractors.py @@ -1,7 +1,8 @@ +from __future__ import annotations + import pickle import re import unittest -from typing import Optional from packaging.version import Version from pytest import mark @@ -16,7 +17,7 @@ from tests import get_testdata # a hack to skip base class tests in pytest class Base: class LinkExtractorTestCase(unittest.TestCase): - extractor_cls: Optional[type] = None + extractor_cls: type | None = None def setUp(self): body = get_testdata("link_extractor", "linkextractor.html") diff --git a/tests/test_loader.py b/tests/test_loader.py index 8db929dcf..aca428bbe 100644 --- a/tests/test_loader.py +++ b/tests/test_loader.py @@ -1,6 +1,7 @@ +from __future__ import annotations + import dataclasses import unittest -from typing import Optional import attr from itemadapter import ItemAdapter @@ -88,7 +89,7 @@ class BasicItemLoaderTest(unittest.TestCase): class InitializationTestMixin: - item_class: Optional[type] = None + item_class: type | None = None def test_keep_single_value(self): """Loaded item should contain values from the initial item""" diff --git a/tests/test_pipeline_crawl.py b/tests/test_pipeline_crawl.py index 83e22b070..5cf4a63aa 100644 --- a/tests/test_pipeline_crawl.py +++ b/tests/test_pipeline_crawl.py @@ -1,7 +1,8 @@ +from __future__ import annotations + import shutil from pathlib import Path from tempfile import mkdtemp -from typing import Optional from testfixtures import LogCapture from twisted.internet import defer @@ -57,7 +58,7 @@ class FileDownloadCrawlTestCase(TestCase): store_setting_key = "FILES_STORE" media_key = "files" media_urls_key = "file_urls" - expected_checksums: Optional[set[str]] = { + expected_checksums: set[str] | None = { "5547178b89448faf0015a13f904c936e", "c2281c83670e31d8aaab7cb642b824db", "ed3f6538dc15d4d9179dae57319edc5f", @@ -216,7 +217,7 @@ class FileDownloadCrawlTestCase(TestCase): self.assertIn("ZeroDivisionError", str(log)) -skip_pillow: Optional[str] +skip_pillow: str | None try: from PIL import Image # noqa: imported just to check for the import error except ImportError: diff --git a/tests/test_pipeline_images.py b/tests/test_pipeline_images.py index 296a6fae0..2c3b191fe 100644 --- a/tests/test_pipeline_images.py +++ b/tests/test_pipeline_images.py @@ -1,3 +1,5 @@ +from __future__ import annotations + import dataclasses import hashlib import io @@ -5,7 +7,6 @@ import random import warnings from shutil import rmtree from tempfile import mkdtemp -from typing import Optional from unittest.mock import patch import attr @@ -19,7 +20,7 @@ from scrapy.pipelines.images import ImageException, ImagesPipeline, NoimagesDrop from scrapy.settings import Settings from scrapy.utils.python import to_bytes -skip_pillow: Optional[str] +skip_pillow: str | None try: from PIL import Image except ImportError: diff --git a/tests/test_pipeline_media.py b/tests/test_pipeline_media.py index 127775f43..0faf6d015 100644 --- a/tests/test_pipeline_media.py +++ b/tests/test_pipeline_media.py @@ -1,4 +1,4 @@ -from typing import Optional +from __future__ import annotations from testfixtures import LogCapture from twisted.internet import reactor @@ -20,7 +20,7 @@ from scrapy.utils.test import get_crawler try: from PIL import Image # noqa: imported just to check for the import error except ImportError: - skip_pillow: Optional[str] = ( + skip_pillow: str | None = ( "Missing Python Imaging Library, install https://pypi.python.org/pypi/Pillow" ) else: diff --git a/tests/test_scheduler.py b/tests/test_scheduler.py index 9b7bad4bf..6b7cd5dac 100644 --- a/tests/test_scheduler.py +++ b/tests/test_scheduler.py @@ -1,8 +1,9 @@ +from __future__ import annotations + import collections import shutil import tempfile import unittest -from typing import Optional from twisted.internet import defer from twisted.trial.unittest import TestCase @@ -60,7 +61,7 @@ class MockCrawler(Crawler): class SchedulerHandler: - priority_queue_cls: Optional[str] = None + priority_queue_cls: str | None = None jobdir = None def create_scheduler(self): @@ -254,7 +255,7 @@ def _is_scheduling_fair(enqueued_slots, dequeued_slots): class DownloaderAwareSchedulerTestMixin: - priority_queue_cls: Optional[str] = "scrapy.pqueues.DownloaderAwarePriorityQueue" + priority_queue_cls: str | None = "scrapy.pqueues.DownloaderAwarePriorityQueue" reopen = False def test_logic(self): diff --git a/tests/test_scheduler_base.py b/tests/test_scheduler_base.py index 4fd293ec7..b48a65e67 100644 --- a/tests/test_scheduler_base.py +++ b/tests/test_scheduler_base.py @@ -1,4 +1,5 @@ -from typing import Optional +from __future__ import annotations + from unittest import TestCase from urllib.parse import urljoin @@ -32,7 +33,7 @@ class MinimalScheduler: return True return False - def next_request(self) -> Optional[Request]: + def next_request(self) -> Request | None: if self.has_pending_requests(): fp, request = self.requests.popitem() return request diff --git a/tests/test_spidermiddleware.py b/tests/test_spidermiddleware.py index 41228b5f2..1a80eb7be 100644 --- a/tests/test_spidermiddleware.py +++ b/tests/test_spidermiddleware.py @@ -1,5 +1,6 @@ +from __future__ import annotations + from collections.abc import AsyncIterator, Iterable -from typing import Optional, Union from unittest import mock from testfixtures import LogCapture @@ -112,11 +113,11 @@ class BaseAsyncSpiderMiddlewareTestCase(SpiderMiddlewareTestCase): Should work for process_spider_output and, when it's supported, process_start_requests. """ - ITEM_TYPE: Union[type, tuple] + ITEM_TYPE: type | tuple RESULT_COUNT = 3 # to simplify checks, let everything return 3 objects @staticmethod - def _construct_mw_setting(*mw_classes, start_index: Optional[int] = None): + def _construct_mw_setting(*mw_classes, start_index: int | None = None): if start_index is None: start_index = 10 return {i: c for c, i in enumerate(mw_classes, start=start_index)} @@ -127,7 +128,7 @@ class BaseAsyncSpiderMiddlewareTestCase(SpiderMiddlewareTestCase): yield {"foo": 3} @defer.inlineCallbacks - def _get_middleware_result(self, *mw_classes, start_index: Optional[int] = None): + def _get_middleware_result(self, *mw_classes, start_index: int | None = None): setting = self._construct_mw_setting(*mw_classes, start_index=start_index) self.crawler = get_crawler( Spider, {"SPIDER_MIDDLEWARES_BASE": {}, "SPIDER_MIDDLEWARES": setting} @@ -141,7 +142,7 @@ class BaseAsyncSpiderMiddlewareTestCase(SpiderMiddlewareTestCase): @defer.inlineCallbacks def _test_simple_base( - self, *mw_classes, downgrade: bool = False, start_index: Optional[int] = None + self, *mw_classes, downgrade: bool = False, start_index: int | None = None ): with LogCapture() as log: result = yield self._get_middleware_result( @@ -155,7 +156,7 @@ class BaseAsyncSpiderMiddlewareTestCase(SpiderMiddlewareTestCase): @defer.inlineCallbacks def _test_asyncgen_base( - self, *mw_classes, downgrade: bool = False, start_index: Optional[int] = None + self, *mw_classes, downgrade: bool = False, start_index: int | None = None ): with LogCapture() as log: result = yield self._get_middleware_result( @@ -337,7 +338,7 @@ class ProcessStartRequestsSimple(BaseAsyncSpiderMiddlewareTestCase): yield {"name": "test item"} @defer.inlineCallbacks - def _get_middleware_result(self, *mw_classes, start_index: Optional[int] = None): + def _get_middleware_result(self, *mw_classes, start_index: int | None = None): setting = self._construct_mw_setting(*mw_classes, start_index=start_index) self.crawler = get_crawler( Spider, {"SPIDER_MIDDLEWARES_BASE": {}, "SPIDER_MIDDLEWARES": setting} @@ -441,7 +442,7 @@ class BuiltinMiddlewareSimpleTest(BaseAsyncSpiderMiddlewareTestCase): MW_UNIVERSAL = ProcessSpiderOutputUniversalMiddleware @defer.inlineCallbacks - def _get_middleware_result(self, *mw_classes, start_index: Optional[int] = None): + def _get_middleware_result(self, *mw_classes, start_index: int | None = None): setting = self._construct_mw_setting(*mw_classes, start_index=start_index) self.crawler = get_crawler(Spider, {"SPIDER_MIDDLEWARES": setting}) self.spider = self.crawler._create_spider("foo") diff --git a/tests/test_spidermiddleware_referer.py b/tests/test_spidermiddleware_referer.py index e73e7ff4c..facbaa60d 100644 --- a/tests/test_spidermiddleware_referer.py +++ b/tests/test_spidermiddleware_referer.py @@ -1,5 +1,7 @@ +from __future__ import annotations + import warnings -from typing import Any, Optional +from typing import Any from unittest import TestCase from urllib.parse import urlparse @@ -35,7 +37,7 @@ class TestRefererMiddleware(TestCase): req_meta: dict[str, Any] = {} resp_headers: dict[str, str] = {} settings: dict[str, Any] = {} - scenarii: list[tuple[str, str, Optional[bytes]]] = [ + scenarii: list[tuple[str, str, bytes | None]] = [ ("http://scrapytest.org", "http://scrapytest.org/", b"http://scrapytest.org"), ] @@ -65,7 +67,7 @@ class MixinDefault: with some additional filtering of s3:// """ - scenarii: list[tuple[str, str, Optional[bytes]]] = [ + scenarii: list[tuple[str, str, bytes | None]] = [ ("https://example.com/", "https://scrapy.org/", b"https://example.com/"), ("http://example.com/", "http://scrapy.org/", b"http://example.com/"), ("http://example.com/", "https://scrapy.org/", b"http://example.com/"), @@ -86,7 +88,7 @@ class MixinDefault: class MixinNoReferrer: - scenarii: list[tuple[str, str, Optional[bytes]]] = [ + scenarii: list[tuple[str, str, bytes | None]] = [ ("https://example.com/page.html", "https://example.com/", None), ("http://www.example.com/", "https://scrapy.org/", None), ("http://www.example.com/", "http://scrapy.org/", None), @@ -96,7 +98,7 @@ class MixinNoReferrer: class MixinNoReferrerWhenDowngrade: - scenarii: list[tuple[str, str, Optional[bytes]]] = [ + scenarii: list[tuple[str, str, bytes | None]] = [ # TLS to TLS: send non-empty referrer ( "https://example.com/page.html", @@ -178,7 +180,7 @@ class MixinNoReferrerWhenDowngrade: class MixinSameOrigin: - scenarii: list[tuple[str, str, Optional[bytes]]] = [ + scenarii: list[tuple[str, str, bytes | None]] = [ # Same origin (protocol, host, port): send referrer ( "https://example.com/page.html", @@ -247,7 +249,7 @@ class MixinSameOrigin: class MixinOrigin: - scenarii: list[tuple[str, str, Optional[bytes]]] = [ + scenarii: list[tuple[str, str, bytes | None]] = [ # TLS or non-TLS to TLS or non-TLS: referrer origin is sent (yes, even for downgrades) ( "https://example.com/page.html", @@ -271,7 +273,7 @@ class MixinOrigin: class MixinStrictOrigin: - scenarii: list[tuple[str, str, Optional[bytes]]] = [ + scenarii: list[tuple[str, str, bytes | None]] = [ # TLS or non-TLS to TLS or non-TLS: referrer origin is sent but not for downgrades ( "https://example.com/page.html", @@ -299,7 +301,7 @@ class MixinStrictOrigin: class MixinOriginWhenCrossOrigin: - scenarii: list[tuple[str, str, Optional[bytes]]] = [ + scenarii: list[tuple[str, str, bytes | None]] = [ # Same origin (protocol, host, port): send referrer ( "https://example.com/page.html", @@ -406,7 +408,7 @@ class MixinOriginWhenCrossOrigin: class MixinStrictOriginWhenCrossOrigin: - scenarii: list[tuple[str, str, Optional[bytes]]] = [ + scenarii: list[tuple[str, str, bytes | None]] = [ # Same origin (protocol, host, port): send referrer ( "https://example.com/page.html", @@ -518,7 +520,7 @@ class MixinStrictOriginWhenCrossOrigin: class MixinUnsafeUrl: - scenarii: list[tuple[str, str, Optional[bytes]]] = [ + scenarii: list[tuple[str, str, bytes | None]] = [ # TLS to TLS: send referrer ( "https://example.com/sekrit.html", @@ -969,7 +971,7 @@ class TestPolicyHeaderPrecedence004( class TestReferrerOnRedirect(TestRefererMiddleware): settings = {"REFERRER_POLICY": "scrapy.spidermiddlewares.referer.UnsafeUrlPolicy"} scenarii: list[ - tuple[str, str, tuple[tuple[int, str], ...], Optional[bytes], Optional[bytes]] + tuple[str, str, tuple[tuple[int, str], ...], bytes | None, bytes | None] ] = [ # type: ignore[assignment] ( "http://scrapytest.org/1", # parent diff --git a/tests/test_utils_request.py b/tests/test_utils_request.py index ca3bca0b2..7156b13d0 100644 --- a/tests/test_utils_request.py +++ b/tests/test_utils_request.py @@ -1,8 +1,9 @@ +from __future__ import annotations + import json import unittest import warnings from hashlib import sha1 -from typing import Optional, Union from weakref import WeakKeyDictionary from scrapy.http import Request @@ -56,12 +57,12 @@ class FingerprintTest(unittest.TestCase): maxDiff = None function: staticmethod = staticmethod(fingerprint) - cache: Union[ - "WeakKeyDictionary[Request, dict[tuple[Optional[tuple[bytes, ...]], bool], bytes]]", - "WeakKeyDictionary[Request, dict[tuple[Optional[tuple[bytes, ...]], bool], str]]", - ] = _fingerprint_cache + cache: ( + WeakKeyDictionary[Request, dict[tuple[tuple[bytes, ...] | None, bool], bytes]] + | WeakKeyDictionary[Request, dict[tuple[tuple[bytes, ...] | None, bool], str]] + ) = _fingerprint_cache default_cache_key = (None, False) - known_hashes: tuple[tuple[Request, Union[bytes, str], dict], ...] = ( + known_hashes: tuple[tuple[Request, bytes | str, dict], ...] = ( ( Request("http://example.org"), b"xs\xd7\x0c3uj\x15\xfe\xd7d\x9b\xa9\t\xe0d\xbf\x9cXD", From 7196a11f5321d05b79c9dedc29398a200d00c911 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 17 Oct 2024 21:51:13 +0500 Subject: [PATCH 282/786] Reorder unions with None. --- scrapy/core/spidermw.py | 2 +- scrapy/crawler.py | 2 +- scrapy/http/request/form.py | 6 +++--- scrapy/middleware.py | 2 +- 4 files changed, 6 insertions(+), 6 deletions(-) diff --git a/scrapy/core/spidermw.py b/scrapy/core/spidermw.py index 1edfe1c51..f7947d35d 100644 --- a/scrapy/core/spidermw.py +++ b/scrapy/core/spidermw.py @@ -339,7 +339,7 @@ class SpiderMiddlewareManager(MiddlewareManager): @staticmethod def _get_async_method_pair( mw: Any, methodname: str - ) -> None | Callable | tuple[Callable, Callable]: + ) -> Callable | tuple[Callable, Callable] | None: normal_method: Callable | None = getattr(mw, methodname, None) methodname_async = methodname + "_async" async_method: Callable | None = getattr(mw, methodname_async, None) diff --git a/scrapy/crawler.py b/scrapy/crawler.py index 701dccf57..3e5657d22 100644 --- a/scrapy/crawler.py +++ b/scrapy/crawler.py @@ -57,7 +57,7 @@ class Crawler: def __init__( self, spidercls: type[Spider], - settings: None | dict[str, Any] | Settings = None, + settings: dict[str, Any] | Settings | None = None, init_reactor: bool = False, ): if isinstance(spidercls, Spider): diff --git a/scrapy/http/request/form.py b/scrapy/http/request/form.py index 2fabf08d1..29743565d 100644 --- a/scrapy/http/request/form.py +++ b/scrapy/http/request/form.py @@ -197,7 +197,7 @@ def _get_inputs( def _value( ele: InputElement | SelectElement | TextareaElement, -) -> tuple[str | None, None | str | MultipleSelectOptions]: +) -> tuple[str | None, str | MultipleSelectOptions | None]: n = ele.name v = ele.value if ele.tag == "select": @@ -206,8 +206,8 @@ def _value( def _select_value( - ele: SelectElement, n: str | None, v: None | str | MultipleSelectOptions -) -> tuple[str | None, None | str | MultipleSelectOptions]: + ele: SelectElement, n: str | None, v: str | MultipleSelectOptions | None +) -> tuple[str | None, str | MultipleSelectOptions | None]: multiple = ele.multiple if v is None and not multiple: # Match browser behaviour on simple select tag without options selected diff --git a/scrapy/middleware.py b/scrapy/middleware.py index 39f26717a..b6a427895 100644 --- a/scrapy/middleware.py +++ b/scrapy/middleware.py @@ -40,7 +40,7 @@ class MiddlewareManager: self.middlewares = middlewares # Only process_spider_output and process_spider_exception can be None. # Only process_spider_output can be a tuple, and only until _async compatibility methods are removed. - self.methods: dict[str, deque[None | Callable | tuple[Callable, Callable]]] = ( + self.methods: dict[str, deque[Callable | tuple[Callable, Callable] | None]] = ( defaultdict(deque) ) for mw in middlewares: From 7e07d48cc5bfb4e07e1319334884ab420a2616c0 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 17 Oct 2024 23:22:37 +0500 Subject: [PATCH 283/786] Small 3.7 and 3.8 cleanup. --- scrapy/utils/reactor.py | 6 ++---- tests/CrawlerProcess/asyncio_enabled_reactor.py | 2 +- .../asyncio_enabled_reactor_different_loop.py | 2 +- tests/CrawlerProcess/asyncio_enabled_reactor_same_loop.py | 2 +- tox.ini | 3 --- 5 files changed, 5 insertions(+), 10 deletions(-) diff --git a/scrapy/utils/reactor.py b/scrapy/utils/reactor.py index 18bb583b8..f8904a9aa 100644 --- a/scrapy/utils/reactor.py +++ b/scrapy/utils/reactor.py @@ -97,10 +97,8 @@ def get_asyncio_event_loop_policy() -> AbstractEventLoopPolicy: def _get_asyncio_event_loop_policy() -> AbstractEventLoopPolicy: policy = asyncio.get_event_loop_policy() - if ( - sys.version_info >= (3, 8) - and sys.platform == "win32" - and not isinstance(policy, asyncio.WindowsSelectorEventLoopPolicy) + if sys.platform == "win32" and not isinstance( + policy, asyncio.WindowsSelectorEventLoopPolicy ): policy = asyncio.WindowsSelectorEventLoopPolicy() asyncio.set_event_loop_policy(policy) diff --git a/tests/CrawlerProcess/asyncio_enabled_reactor.py b/tests/CrawlerProcess/asyncio_enabled_reactor.py index 01d23c963..f013eed27 100644 --- a/tests/CrawlerProcess/asyncio_enabled_reactor.py +++ b/tests/CrawlerProcess/asyncio_enabled_reactor.py @@ -3,7 +3,7 @@ import sys from twisted.internet import asyncioreactor -if sys.version_info >= (3, 8) and sys.platform == "win32": +if sys.platform == "win32": asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy()) asyncioreactor.install(asyncio.get_event_loop()) diff --git a/tests/CrawlerProcess/asyncio_enabled_reactor_different_loop.py b/tests/CrawlerProcess/asyncio_enabled_reactor_different_loop.py index 9dc8ce46b..e9d6d8875 100644 --- a/tests/CrawlerProcess/asyncio_enabled_reactor_different_loop.py +++ b/tests/CrawlerProcess/asyncio_enabled_reactor_different_loop.py @@ -4,7 +4,7 @@ import sys from twisted.internet import asyncioreactor from twisted.python import log -if sys.version_info >= (3, 8) and sys.platform == "win32": +if sys.platform == "win32": asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy()) asyncioreactor.install(asyncio.get_event_loop()) diff --git a/tests/CrawlerProcess/asyncio_enabled_reactor_same_loop.py b/tests/CrawlerProcess/asyncio_enabled_reactor_same_loop.py index be9c83b95..c72a0a17c 100644 --- a/tests/CrawlerProcess/asyncio_enabled_reactor_same_loop.py +++ b/tests/CrawlerProcess/asyncio_enabled_reactor_same_loop.py @@ -4,7 +4,7 @@ import sys from twisted.internet import asyncioreactor from uvloop import Loop -if sys.version_info >= (3, 8) and sys.platform == "win32": +if sys.platform == "win32": asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy()) asyncio.set_event_loop(Loop()) asyncioreactor.install(asyncio.get_event_loop()) diff --git a/tox.ini b/tox.ini index 79f72a0f2..fbbce48d4 100644 --- a/tox.ini +++ b/tox.ini @@ -26,9 +26,6 @@ deps = # mitmproxy does not support PyPy mitmproxy; implementation_name != 'pypy' - # https://github.com/pallets/werkzeug/pull/2768 breaks flask, required by - # mitmproxy. - werkzeug < 3; python_version < '3.9' and implementation_name != 'pypy' passenv = S3_TEST_FILE_URI AWS_ACCESS_KEY_ID From 5759b3f0f2b0a45588e7ae7cd455ee5e7d4f531c Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 17 Oct 2024 23:41:23 +0500 Subject: [PATCH 284/786] Drop Reppy. --- docs/topics/downloader-middleware.rst | 32 -------------------- scrapy/robotstxt.py | 20 ------------ tests/test_downloadermiddleware_robotstxt.py | 13 +------- tests/test_robotstxt_interface.py | 24 --------------- 4 files changed, 1 insertion(+), 88 deletions(-) diff --git a/docs/topics/downloader-middleware.rst b/docs/topics/downloader-middleware.rst index c31f7fe43..13064ccdd 100644 --- a/docs/topics/downloader-middleware.rst +++ b/docs/topics/downloader-middleware.rst @@ -1086,7 +1086,6 @@ RobotsTxtMiddleware * :ref:`Protego <protego-parser>` (default) * :ref:`RobotFileParser <python-robotfileparser>` * :ref:`Robotexclusionrulesparser <rerp-parser>` - * :ref:`Reppy <reppy-parser>` (deprecated) You can change the robots.txt_ parser with the :setting:`ROBOTSTXT_PARSER` setting. Or you can also :ref:`implement support for a new parser <support-for-new-robots-parser>`. @@ -1154,37 +1153,6 @@ In order to use this parser, set: * :setting:`ROBOTSTXT_PARSER` to ``scrapy.robotstxt.PythonRobotParser`` -.. _reppy-parser: - -Reppy parser -~~~~~~~~~~~~ - -Based on `Reppy <https://github.com/seomoz/reppy/>`_: - -* is a Python wrapper around `Robots Exclusion Protocol Parser for C++ - <https://github.com/seomoz/rep-cpp>`_ - -* is compliant with `Martijn Koster's 1996 draft specification - <https://www.robotstxt.org/norobots-rfc.txt>`_ - -* supports wildcard matching - -* uses the length based rule - -Native implementation, provides better speed than Protego. - -In order to use this parser: - -* Install `Reppy <https://github.com/seomoz/reppy/>`_ by running ``pip install reppy`` - - .. warning:: `Upstream issue #122 - <https://github.com/seomoz/reppy/issues/122>`_ prevents reppy usage in Python 3.9+. - Because of this the Reppy parser is deprecated. - -* Set :setting:`ROBOTSTXT_PARSER` setting to - ``scrapy.robotstxt.ReppyRobotParser`` - - .. _rerp-parser: Robotexclusionrulesparser diff --git a/scrapy/robotstxt.py b/scrapy/robotstxt.py index a0e5fc671..f0a6e7467 100644 --- a/scrapy/robotstxt.py +++ b/scrapy/robotstxt.py @@ -4,9 +4,7 @@ import logging import sys from abc import ABCMeta, abstractmethod from typing import TYPE_CHECKING -from warnings import warn -from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.utils.python import to_unicode if TYPE_CHECKING: @@ -90,24 +88,6 @@ class PythonRobotParser(RobotParser): return self.rp.can_fetch(user_agent, url) -class ReppyRobotParser(RobotParser): - def __init__(self, robotstxt_body: bytes, spider: Spider | None): - warn("ReppyRobotParser is deprecated.", ScrapyDeprecationWarning, stacklevel=2) - from reppy.robots import Robots - - self.spider: Spider | None = spider - self.rp = Robots.parse("", robotstxt_body) - - @classmethod - def from_crawler(cls, crawler: Crawler, robotstxt_body: bytes) -> Self: - spider = None if not crawler else crawler.spider - o = cls(robotstxt_body, spider) - return o - - def allowed(self, url: str | bytes, user_agent: str | bytes) -> bool: - return self.rp.allowed(url, user_agent) - - class RerpRobotParser(RobotParser): def __init__(self, robotstxt_body: bytes, spider: Spider | None): from robotexclusionrulesparser import RobotExclusionRulesParser diff --git a/tests/test_downloadermiddleware_robotstxt.py b/tests/test_downloadermiddleware_robotstxt.py index e166cc000..12b541456 100644 --- a/tests/test_downloadermiddleware_robotstxt.py +++ b/tests/test_downloadermiddleware_robotstxt.py @@ -11,7 +11,7 @@ from scrapy.exceptions import IgnoreRequest, NotConfigured from scrapy.http import Request, Response, TextResponse from scrapy.http.request import NO_CALLBACK from scrapy.settings import Settings -from tests.test_robotstxt_interface import reppy_available, rerp_available +from tests.test_robotstxt_interface import rerp_available class RobotsTxtMiddlewareTest(unittest.TestCase): @@ -254,14 +254,3 @@ class RobotsTxtMiddlewareWithRerpTest(RobotsTxtMiddlewareTest): self.crawler.settings.set( "ROBOTSTXT_PARSER", "scrapy.robotstxt.RerpRobotParser" ) - - -class RobotsTxtMiddlewareWithReppyTest(RobotsTxtMiddlewareTest): - if not reppy_available(): - skip = "Reppy parser is not installed" - - def setUp(self): - super().setUp() - self.crawler.settings.set( - "ROBOTSTXT_PARSER", "scrapy.robotstxt.ReppyRobotParser" - ) diff --git a/tests/test_robotstxt_interface.py b/tests/test_robotstxt_interface.py index 28ad910a8..541979dcc 100644 --- a/tests/test_robotstxt_interface.py +++ b/tests/test_robotstxt_interface.py @@ -3,15 +3,6 @@ from twisted.trial import unittest from scrapy.robotstxt import decode_robotstxt -def reppy_available(): - # check if reppy parser is installed - try: - from reppy.robots import Robots # noqa: F401 - except ImportError: - return False - return True - - def rerp_available(): # check if robotexclusionrulesparser is installed try: @@ -169,21 +160,6 @@ class PythonRobotParserTest(BaseRobotParserTest, unittest.TestCase): raise unittest.SkipTest("RobotFileParser does not support wildcards.") -class ReppyRobotParserTest(BaseRobotParserTest, unittest.TestCase): - if not reppy_available(): - skip = "Reppy parser is not installed" - - def setUp(self): - from scrapy.robotstxt import ReppyRobotParser - - super()._setUp(ReppyRobotParser) - - def test_order_based_precedence(self): - raise unittest.SkipTest( - "Reppy does not support order based directives precedence." - ) - - class RerpRobotParserTest(BaseRobotParserTest, unittest.TestCase): if not rerp_available(): skip = "Rerp parser is not installed" From 677e9772070ec8a92033f66dff45d7c421763203 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Fri, 18 Oct 2024 00:03:32 +0500 Subject: [PATCH 285/786] Remove dead links to the Reppy doc from the release notes. --- docs/news.rst | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/docs/news.rst b/docs/news.rst index 58b51c9ea..2bbca77cc 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -1530,7 +1530,7 @@ Documentation - Provided better context and instructions to disable the :setting:`URLLENGTH_LIMIT` setting. (:issue:`5135`, :issue:`5250`) -- Documented that :ref:`reppy-parser` does not support Python 3.9+. +- Documented that Reppy parser does not support Python 3.9+. (:issue:`5226`, :issue:`5231`) - Documented :ref:`the scheduler component <topics-scheduler>`. @@ -3344,7 +3344,7 @@ New features * A new :setting:`ROBOTSTXT_PARSER` setting allows choosing which robots.txt_ parser to use. It includes built-in support for :ref:`RobotFileParser <python-robotfileparser>`, - :ref:`Protego <protego-parser>` (default), :ref:`Reppy <reppy-parser>`, and + :ref:`Protego <protego-parser>` (default), Reppy, and :ref:`Robotexclusionrulesparser <rerp-parser>`, and allows you to :ref:`implement support for additional parsers <support-for-new-robots-parser>` (:issue:`754`, :issue:`2669`, From 04d0411bf7538ebe8e81771ecf9c6792c71c863b Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Mon, 21 Oct 2024 15:30:49 +0500 Subject: [PATCH 286/786] Filter test-time warnings. (#6501) --- tests/test_crawl.py | 2 +- tests/test_crawler.py | 12 +++--------- tests/test_downloadermiddleware_offsite.py | 10 ++++++++-- tests/test_dupefilters.py | 6 ------ tests/test_pipeline_crawl.py | 1 - tests/test_scheduler.py | 1 - tests/test_spiderloader/__init__.py | 1 - tests/test_utils_asyncio.py | 2 +- tests/test_utils_datatypes.py | 6 ++++++ tests/test_utils_misc/__init__.py | 3 +++ 10 files changed, 22 insertions(+), 22 deletions(-) diff --git a/tests/test_crawl.py b/tests/test_crawl.py index 125709571..1f81a6073 100644 --- a/tests/test_crawl.py +++ b/tests/test_crawl.py @@ -428,7 +428,7 @@ with multiples lines @defer.inlineCallbacks def test_crawl_multiple(self): - runner = CrawlerRunner({"REQUEST_FINGERPRINTER_IMPLEMENTATION": "2.7"}) + runner = CrawlerRunner() runner.crawl( SimpleSpider, self.mockserver.url("/status?n=200"), diff --git a/tests/test_crawler.py b/tests/test_crawler.py index 69bfb7eb3..92a201fd1 100644 --- a/tests/test_crawler.py +++ b/tests/test_crawler.py @@ -6,6 +6,7 @@ import subprocess import sys import warnings from pathlib import Path +from typing import Any import pytest from packaging.version import parse as parse_version @@ -28,10 +29,7 @@ from scrapy.utils.spider import DefaultSpider from scrapy.utils.test import get_crawler from tests.mockserver import MockServer, get_mockserver_env -# To prevent warnings. -BASE_SETTINGS = { - "REQUEST_FINGERPRINTER_IMPLEMENTATION": "2.7", -} +BASE_SETTINGS: dict[str, Any] = {} def get_raw_crawler(spidercls=None, settings_dict=None): @@ -478,8 +476,6 @@ class CrawlerLoggingTestCase(unittest.TestCase): custom_settings = { "LOG_LEVEL": "INFO", "LOG_FILE": str(log_file), - # settings to avoid extra warnings - "REQUEST_FINGERPRINTER_IMPLEMENTATION": "2.7", } configure_logging() @@ -582,7 +578,7 @@ class NoRequestsSpider(scrapy.Spider): @mark.usefixtures("reactor_pytest") class CrawlerRunnerHasSpider(unittest.TestCase): def _runner(self): - return CrawlerRunner({"REQUEST_FINGERPRINTER_IMPLEMENTATION": "2.7"}) + return CrawlerRunner() @inlineCallbacks def test_crawler_runner_bootstrap_successful(self): @@ -631,7 +627,6 @@ class CrawlerRunnerHasSpider(unittest.TestCase): CrawlerRunner( settings={ "TWISTED_REACTOR": "twisted.internet.asyncioreactor.AsyncioSelectorReactor", - "REQUEST_FINGERPRINTER_IMPLEMENTATION": "2.7", } ) else: @@ -640,7 +635,6 @@ class CrawlerRunnerHasSpider(unittest.TestCase): runner = CrawlerRunner( settings={ "TWISTED_REACTOR": "twisted.internet.asyncioreactor.AsyncioSelectorReactor", - "REQUEST_FINGERPRINTER_IMPLEMENTATION": "2.7", } ) yield runner.crawl(NoRequestsSpider) diff --git a/tests/test_downloadermiddleware_offsite.py b/tests/test_downloadermiddleware_offsite.py index d4669f450..fec56a39f 100644 --- a/tests/test_downloadermiddleware_offsite.py +++ b/tests/test_downloadermiddleware_offsite.py @@ -1,3 +1,5 @@ +import warnings + import pytest from scrapy import Request, Spider @@ -87,7 +89,9 @@ def test_process_request_invalid_domains(): allowed_domains = ["a.example", None, "http:////b.example", "//c.example"] spider = crawler._create_spider(name="a", allowed_domains=allowed_domains) mw = OffsiteMiddleware.from_crawler(crawler) - mw.spider_opened(spider) + with warnings.catch_warnings(): + warnings.simplefilter("ignore", UserWarning) + mw.spider_opened(spider) request = Request("https://a.example") assert mw.process_request(request, spider) is None for letter in ("b", "c"): @@ -175,7 +179,9 @@ def test_request_scheduled_invalid_domains(): allowed_domains = ["a.example", None, "http:////b.example", "//c.example"] spider = crawler._create_spider(name="a", allowed_domains=allowed_domains) mw = OffsiteMiddleware.from_crawler(crawler) - mw.spider_opened(spider) + with warnings.catch_warnings(): + warnings.simplefilter("ignore", UserWarning) + mw.spider_opened(spider) request = Request("https://a.example") assert mw.request_scheduled(request, spider) is None for letter in ("b", "c"): diff --git a/tests/test_dupefilters.py b/tests/test_dupefilters.py index f617fc027..9ba8bd64f 100644 --- a/tests/test_dupefilters.py +++ b/tests/test_dupefilters.py @@ -50,7 +50,6 @@ class RFPDupeFilterTest(unittest.TestCase): settings = { "DUPEFILTER_DEBUG": True, "DUPEFILTER_CLASS": FromCrawlerRFPDupeFilter, - "REQUEST_FINGERPRINTER_IMPLEMENTATION": "2.7", } crawler = get_crawler(settings_dict=settings) scheduler = Scheduler.from_crawler(crawler) @@ -61,7 +60,6 @@ class RFPDupeFilterTest(unittest.TestCase): settings = { "DUPEFILTER_DEBUG": True, "DUPEFILTER_CLASS": FromSettingsRFPDupeFilter, - "REQUEST_FINGERPRINTER_IMPLEMENTATION": "2.7", } crawler = get_crawler(settings_dict=settings) scheduler = Scheduler.from_crawler(crawler) @@ -71,7 +69,6 @@ class RFPDupeFilterTest(unittest.TestCase): def test_df_direct_scheduler(self): settings = { "DUPEFILTER_CLASS": DirectDupeFilter, - "REQUEST_FINGERPRINTER_IMPLEMENTATION": "2.7", } crawler = get_crawler(settings_dict=settings) scheduler = Scheduler.from_crawler(crawler) @@ -176,7 +173,6 @@ class RFPDupeFilterTest(unittest.TestCase): settings = { "DUPEFILTER_DEBUG": False, "DUPEFILTER_CLASS": FromCrawlerRFPDupeFilter, - "REQUEST_FINGERPRINTER_IMPLEMENTATION": "2.7", } crawler = get_crawler(SimpleSpider, settings_dict=settings) spider = SimpleSpider.from_crawler(crawler) @@ -205,7 +201,6 @@ class RFPDupeFilterTest(unittest.TestCase): settings = { "DUPEFILTER_DEBUG": True, "DUPEFILTER_CLASS": FromCrawlerRFPDupeFilter, - "REQUEST_FINGERPRINTER_IMPLEMENTATION": "2.7", } crawler = get_crawler(SimpleSpider, settings_dict=settings) spider = SimpleSpider.from_crawler(crawler) @@ -243,7 +238,6 @@ class RFPDupeFilterTest(unittest.TestCase): with LogCapture() as log: settings = { "DUPEFILTER_DEBUG": True, - "REQUEST_FINGERPRINTER_IMPLEMENTATION": "2.7", } crawler = get_crawler(SimpleSpider, settings_dict=settings) spider = SimpleSpider.from_crawler(crawler) diff --git a/tests/test_pipeline_crawl.py b/tests/test_pipeline_crawl.py index 5cf4a63aa..696ef8cab 100644 --- a/tests/test_pipeline_crawl.py +++ b/tests/test_pipeline_crawl.py @@ -71,7 +71,6 @@ class FileDownloadCrawlTestCase(TestCase): # prepare a directory for storing files self.tmpmediastore = Path(mkdtemp()) self.settings = { - "REQUEST_FINGERPRINTER_IMPLEMENTATION": "2.7", "ITEM_PIPELINES": {self.pipeline_class: 1}, self.store_setting_key: str(self.tmpmediastore), } diff --git a/tests/test_scheduler.py b/tests/test_scheduler.py index 6b7cd5dac..387bc7c20 100644 --- a/tests/test_scheduler.py +++ b/tests/test_scheduler.py @@ -53,7 +53,6 @@ class MockCrawler(Crawler): "SCHEDULER_PRIORITY_QUEUE": priority_queue_cls, "JOBDIR": jobdir, "DUPEFILTER_CLASS": "scrapy.dupefilters.BaseDupeFilter", - "REQUEST_FINGERPRINTER_IMPLEMENTATION": "2.7", } super().__init__(Spider, settings) self.engine = MockEngine(downloader=MockDownloader()) diff --git a/tests/test_spiderloader/__init__.py b/tests/test_spiderloader/__init__.py index 32699d837..d2ff9ba48 100644 --- a/tests/test_spiderloader/__init__.py +++ b/tests/test_spiderloader/__init__.py @@ -103,7 +103,6 @@ class SpiderLoaderTest(unittest.TestCase): runner = CrawlerRunner( { "SPIDER_MODULES": [module], - "REQUEST_FINGERPRINTER_IMPLEMENTATION": "2.7", } ) diff --git a/tests/test_utils_asyncio.py b/tests/test_utils_asyncio.py index 65e352053..1c93829e9 100644 --- a/tests/test_utils_asyncio.py +++ b/tests/test_utils_asyncio.py @@ -1,8 +1,8 @@ import asyncio import warnings -from unittest import TestCase from pytest import mark +from twisted.trial.unittest import TestCase from scrapy.utils.defer import deferred_f_from_coro_f from scrapy.utils.reactor import ( diff --git a/tests/test_utils_datatypes.py b/tests/test_utils_datatypes.py index fb7c90f80..10dc6f270 100644 --- a/tests/test_utils_datatypes.py +++ b/tests/test_utils_datatypes.py @@ -3,6 +3,8 @@ import unittest import warnings from collections.abc import Iterator, Mapping, MutableMapping +import pytest + from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.http import Request from scrapy.utils.datatypes import ( @@ -90,12 +92,14 @@ class CaseInsensitiveDictMixin: self.assertRaises(KeyError, d.__getitem__, "key_LOWER") self.assertRaises(KeyError, d.__getitem__, "key_lower") + @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_getdefault(self): d = CaselessDict() self.assertEqual(d.get("c", 5), 5) d["c"] = 10 self.assertEqual(d.get("c", 5), 10) + @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_setdefault(self): d = CaselessDict({"a": 1, "b": 2}) @@ -212,11 +216,13 @@ class CaseInsensitiveDictTest(CaseInsensitiveDictMixin, unittest.TestCase): self.assertEqual(list(iterkeys), ["AsDf", "FoO"]) +@pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") class CaselessDictTest(CaseInsensitiveDictMixin, unittest.TestCase): dict_class = CaselessDict def test_deprecation_message(self): with warnings.catch_warnings(record=True) as caught: + warnings.filterwarnings("always", category=ScrapyDeprecationWarning) self.dict_class({"foo": "bar"}) self.assertEqual(len(caught), 1) diff --git a/tests/test_utils_misc/__init__.py b/tests/test_utils_misc/__init__.py index ee3314d8e..4d8e71521 100644 --- a/tests/test_utils_misc/__init__.py +++ b/tests/test_utils_misc/__init__.py @@ -4,6 +4,8 @@ import unittest from pathlib import Path from unittest import mock +import pytest + from scrapy.item import Field, Item from scrapy.utils.misc import ( arg_to_iter, @@ -97,6 +99,7 @@ class UtilsMiscTestCase(unittest.TestCase): list(arg_to_iter(TestItem(name="john"))), [TestItem(name="john")] ) + @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_create_instance(self): settings = mock.MagicMock() crawler = mock.MagicMock(spec_set=["settings"]) From d10c58ff38b88bf1cb67503645e9cb00a59d970f Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 22 Oct 2024 19:07:21 +0500 Subject: [PATCH 287/786] Bump pyftpdlib to the version supporting Python 3.13 on Windows. --- tox.ini | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tox.ini b/tox.ini index fbbce48d4..a526fc120 100644 --- a/tox.ini +++ b/tox.ini @@ -11,7 +11,7 @@ minversion = 1.7.0 deps = attrs pexpect >= 4.8.0 - pyftpdlib >= 1.5.8 + pyftpdlib >= 2.0.1 pygments pytest pytest-cov==4.0.0 From 0523e1616d32182499a2dcd3fb98b38bd3c74041 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 29 Oct 2024 14:16:03 +0500 Subject: [PATCH 288/786] Explictly set html_baseurl on RTD. (#6507) --- docs/conf.py | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/docs/conf.py b/docs/conf.py index dcd2c9a3a..3de50e54e 100644 --- a/docs/conf.py +++ b/docs/conf.py @@ -8,7 +8,7 @@ # # All configuration values have a default; values that are commented out # serve to show the default. - +import os import sys from pathlib import Path @@ -186,6 +186,8 @@ html_css_files = [ "custom.css", ] +# Set canonical URL from the Read the Docs Domain +html_baseurl = os.environ.get("READTHEDOCS_CANONICAL_URL", "") # Options for LaTeX output # ------------------------ From fcb5ab6cffa8cec7c731bbd81419635fa2f2ece0 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 29 Oct 2024 14:21:07 +0500 Subject: [PATCH 289/786] Remove code for unsupported Twisted. (#6510) --- scrapy/mail.py | 7 +------ tests/test_mail.py | 8 +------- 2 files changed, 2 insertions(+), 13 deletions(-) diff --git a/scrapy/mail.py b/scrapy/mail.py index 1e65b1623..ce7beb773 100644 --- a/scrapy/mail.py +++ b/scrapy/mail.py @@ -16,10 +16,8 @@ from email.utils import formatdate from io import BytesIO from typing import IO, TYPE_CHECKING, Any -from twisted import version as twisted_version from twisted.internet import ssl from twisted.internet.defer import Deferred -from twisted.python.versions import Version from scrapy.utils.misc import arg_to_iter from scrapy.utils.python import to_bytes @@ -217,12 +215,9 @@ class MailSender: "heloFallback": True, "requireAuthentication": False, "requireTransportSecurity": self.smtptls, + "hostname": self.smtphost, } - # Newer versions of twisted require the hostname to use STARTTLS - if twisted_version >= Version("twisted", 21, 2, 0): - factory_keywords["hostname"] = self.smtphost - factory = ESMTPSenderFactory( self.smtpuser, self.smtppass, diff --git a/tests/test_mail.py b/tests/test_mail.py index ff1505397..c6af2b1b8 100644 --- a/tests/test_mail.py +++ b/tests/test_mail.py @@ -2,11 +2,8 @@ import unittest from email.charset import Charset from io import BytesIO -from twisted import version as twisted_version from twisted.internet import defer from twisted.internet._sslverify import ClientTLSOptions -from twisted.internet.ssl import ClientContextFactory -from twisted.python.versions import Version from scrapy.mail import MailSender @@ -159,10 +156,7 @@ class MailSenderTest(unittest.TestCase): ) context = factory.buildProtocol("test@scrapy.org").context - if twisted_version >= Version("twisted", 21, 2, 0): - self.assertIsInstance(context, ClientTLSOptions) - else: - self.assertIsInstance(context, ClientContextFactory) + self.assertIsInstance(context, ClientTLSOptions) if __name__ == "__main__": From 5bbf8124ac6785b824b005ad1380039c963c2af1 Mon Sep 17 00:00:00 2001 From: ThunderMind <46158218+ThunderMind2019@users.noreply.github.com> Date: Tue, 29 Oct 2024 14:28:00 +0500 Subject: [PATCH 290/786] Updated deprecated ast.NameConstant with ast.Constant #6305 (#6463) --- scrapy/utils/misc.py | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/scrapy/utils/misc.py b/scrapy/utils/misc.py index 1ab30f097..516218347 100644 --- a/scrapy/utils/misc.py +++ b/scrapy/utils/misc.py @@ -263,9 +263,7 @@ def is_generator_with_return_value(callable: Callable[..., Any]) -> bool: def returns_none(return_node: ast.Return) -> bool: value = return_node.value - return ( - value is None or isinstance(value, ast.NameConstant) and value.value is None - ) + return value is None or isinstance(value, ast.Constant) and value.value is None if inspect.isgeneratorfunction(callable): func = callable From 65ecd5d5287491cb0c44541252a127144438da01 Mon Sep 17 00:00:00 2001 From: Rohitkr117 <145501871+Rohitkr117@users.noreply.github.com> Date: Tue, 29 Oct 2024 23:38:38 +0530 Subject: [PATCH 291/786] Fixes for Twisted Version Check and Typing Issues (#6511) --- scrapy/pipelines/media.py | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/scrapy/pipelines/media.py b/scrapy/pipelines/media.py index 61eddffa7..b10ec147b 100644 --- a/scrapy/pipelines/media.py +++ b/scrapy/pipelines/media.py @@ -15,8 +15,10 @@ from typing import ( cast, ) +from twisted import version as twisted_version from twisted.internet.defer import Deferred, DeferredList from twisted.python.failure import Failure +from twisted.python.versions import Version from scrapy.http.request import NO_CALLBACK, Request from scrapy.settings import Settings @@ -206,8 +208,8 @@ class MediaPipeline(ABC): # minimize cached information for failure result.cleanFailure() result.frames = [] - result.stack = [] - + if twisted_version <= Version("twisted", 24, 10, 0): + result.stack = [] # type: ignore[method-assign] # This code fixes a memory leak by avoiding to keep references to # the Request and Response objects on the Media Pipeline cache. # From 12b087b0f23d91a16c7382baeba96d5bf32ab946 Mon Sep 17 00:00:00 2001 From: Rohitkr117 <145501871+Rohitkr117@users.noreply.github.com> Date: Wed, 30 Oct 2024 00:00:32 +0530 Subject: [PATCH 292/786] Added ignore statements for Windows specific typing issues (#6516) --- scrapy/extensions/debug.py | 6 +++--- scrapy/utils/console.py | 2 +- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/scrapy/extensions/debug.py b/scrapy/extensions/debug.py index d3c225bcd..6948c394c 100644 --- a/scrapy/extensions/debug.py +++ b/scrapy/extensions/debug.py @@ -33,8 +33,8 @@ class StackTraceDump: def __init__(self, crawler: Crawler): self.crawler: Crawler = crawler try: - signal.signal(signal.SIGUSR2, self.dump_stacktrace) - signal.signal(signal.SIGQUIT, self.dump_stacktrace) + signal.signal(signal.SIGUSR2, self.dump_stacktrace) # type: ignore[attr-defined] + signal.signal(signal.SIGQUIT, self.dump_stacktrace) # type: ignore[attr-defined] except AttributeError: # win32 platforms don't support SIGUSR signals pass @@ -70,7 +70,7 @@ class StackTraceDump: class Debugger: def __init__(self) -> None: try: - signal.signal(signal.SIGUSR2, self._enter_debugger) + signal.signal(signal.SIGUSR2, self._enter_debugger) # type: ignore[attr-defined] except AttributeError: # win32 platforms don't support SIGUSR signals pass diff --git a/scrapy/utils/console.py b/scrapy/utils/console.py index aecd3fdb7..6b9b4114f 100644 --- a/scrapy/utils/console.py +++ b/scrapy/utils/console.py @@ -82,7 +82,7 @@ def _embed_standard_shell( else: import rlcompleter # noqa: F401 - readline.parse_and_bind("tab:complete") + readline.parse_and_bind("tab:complete") # type: ignore[attr-defined] @wraps(_embed_standard_shell) def wrapper(namespace: dict[str, Any] = namespace, banner: str = "") -> None: From d2bdbad8c8cc5e5b4b9d3a79c94e2411a44e94be Mon Sep 17 00:00:00 2001 From: Laerte Pereira <5853172+Laerte@users.noreply.github.com> Date: Tue, 29 Oct 2024 16:28:35 -0300 Subject: [PATCH 293/786] Deprecate `scrapy.twisted_version` (#6512) * Deprecate scrapy.twisted_version * fix: typing * remove typing * raise default exception if attribute is not found * remove redudant () * add tests * rollback exception raised * add filterwarnings again * change order * lint --- scrapy/__init__.py | 21 +++++++++++++++++---- tests/test_scrapy__getattr__.py | 13 +++++++++++++ 2 files changed, 30 insertions(+), 4 deletions(-) create mode 100644 tests/test_scrapy__getattr__.py diff --git a/scrapy/__init__.py b/scrapy/__init__.py index 1c1a5c2cc..921296502 100644 --- a/scrapy/__init__.py +++ b/scrapy/__init__.py @@ -6,8 +6,6 @@ import pkgutil import sys import warnings -from twisted import version as _txv - # Declare top-level shortcuts from scrapy.http import FormRequest, Request from scrapy.item import Field, Item @@ -17,7 +15,6 @@ from scrapy.spiders import Spider __all__ = [ "__version__", "version_info", - "twisted_version", "Spider", "Request", "FormRequest", @@ -30,7 +27,23 @@ __all__ = [ # Scrapy and Twisted versions __version__ = (pkgutil.get_data(__package__, "VERSION") or b"").decode("ascii").strip() version_info = tuple(int(v) if v.isdigit() else v for v in __version__.split(".")) -twisted_version = (_txv.major, _txv.minor, _txv.micro) + + +def __getattr__(name: str): + if name == "twisted_version": + import warnings + + from twisted import version as _txv + + from scrapy.exceptions import ScrapyDeprecationWarning + + warnings.warn( + "The scrapy.twisted_version attribute is deprecated, use twisted.version instead", + ScrapyDeprecationWarning, + ) + return _txv.major, _txv.minor, _txv.micro + + raise AttributeError # Ignore noisy twisted deprecation warnings diff --git a/tests/test_scrapy__getattr__.py b/tests/test_scrapy__getattr__.py new file mode 100644 index 000000000..979c42267 --- /dev/null +++ b/tests/test_scrapy__getattr__.py @@ -0,0 +1,13 @@ +import warnings + + +def test_deprecated_twisted_version(): + with warnings.catch_warnings(record=True) as warns: + from scrapy import twisted_version + + assert twisted_version is not None + assert isinstance(twisted_version, tuple) + assert ( + "The scrapy.twisted_version attribute is deprecated, use twisted.version instead" + in warns[0].message.args + ) From d85c39f5bcd728915fccece86f2b2e4ef37c0e53 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 31 Oct 2024 18:06:22 +0500 Subject: [PATCH 294/786] Deprecation removals. (#6500) * Deprecation removals. * Clean up the default pytest filterwarnings. * Remove test_get_images_old(). * Redo boto-requiring test filtering. * Remove an unused function. * Improve the Crawler.crawl() error message. * Fix the test. --- conftest.py | 24 ++++ docs/topics/commands.rst | 5 - extras/scrapy_zsh_completion | 2 - pytest.ini | 6 +- scrapy/commands/__init__.py | 9 +- scrapy/crawler.py | 8 +- .../downloadermiddlewares/httpcompression.py | 18 +-- scrapy/downloadermiddlewares/retry.py | 45 ++---- scrapy/extensions/feedexport.py | 80 +++-------- scrapy/pipelines/images.py | 57 ++------ scrapy/utils/conf.py | 48 +------ scrapy/utils/reactor.py | 19 +-- scrapy/utils/request.py | 10 +- tests/test_crawler.py | 8 +- tests/test_downloader_handlers.py | 7 +- ...st_downloadermiddleware_httpcompression.py | 29 +--- tests/test_downloadermiddleware_retry.py | 32 ----- tests/test_feedexport.py | 65 ++------- tests/test_pipeline_files.py | 7 +- tests/test_pipeline_images.py | 135 +----------------- tests/test_utils_conf.py | 72 +--------- tox.ini | 4 +- 22 files changed, 103 insertions(+), 587 deletions(-) diff --git a/conftest.py b/conftest.py index 2ab3dffd4..77b0e033b 100644 --- a/conftest.py +++ b/conftest.py @@ -89,6 +89,30 @@ def requires_uvloop(request): pytest.skip("uvloop is not installed") +@pytest.fixture(autouse=True) +def requires_botocore(request): + if not request.node.get_closest_marker("requires_botocore"): + return + try: + import botocore + + del botocore + except ImportError: + pytest.skip("botocore is not installed") + + +@pytest.fixture(autouse=True) +def requires_boto3(request): + if not request.node.get_closest_marker("requires_boto3"): + return + try: + import boto3 + + del boto3 + except ImportError: + pytest.skip("boto3 is not installed") + + def pytest_configure(config): if config.getoption("--reactor") == "asyncio": install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") diff --git a/docs/topics/commands.rst b/docs/topics/commands.rst index 6eb4af9bd..6ffb8ae93 100644 --- a/docs/topics/commands.rst +++ b/docs/topics/commands.rst @@ -278,8 +278,6 @@ Supported options: * ``--overwrite-output FILE`` or ``-O FILE``: dump scraped items into FILE, overwriting any existing file. To define the output format, set a colon at the end of the output URI (i.e. ``-O FILE:FORMAT``) -* ``--output-format FORMAT`` or ``-t FORMAT``: deprecated way to define format to use for dumping items, does not work in combination with ``-O`` - Usage examples:: $ scrapy crawl myspider @@ -291,9 +289,6 @@ Usage examples:: $ scrapy crawl -O myfile:json myspider [ ... myspider starts crawling and saves the result in myfile in json format overwriting the original content... ] - $ scrapy crawl -o myfile -t csv myspider - [ ... myspider starts crawling and appends the result to the file myfile in csv format ... ] - .. command:: check check diff --git a/extras/scrapy_zsh_completion b/extras/scrapy_zsh_completion index e2f2dc82b..82eb77cc0 100644 --- a/extras/scrapy_zsh_completion +++ b/extras/scrapy_zsh_completion @@ -41,7 +41,6 @@ _scrapy() { (runspider) local options=( {'(--output)-o','(-o)--output='}'[dump scraped items into FILE (use - for stdout)]:file:_files' - {'(--output-format)-t','(-t)--output-format='}'[format to use for dumping items with -o]:format:(FORMAT)' '*-a[set spider argument (may be repeated)]:value pair:(NAME=VALUE)' '1:spider file:_files -g \*.py' ) @@ -99,7 +98,6 @@ _scrapy() { (crawl) local options=( {'(--output)-o','(-o)--output='}'[dump scraped items into FILE (use - for stdout)]:file:_files' - {'(--output-format)-t','(-t)--output-format='}'[format to use for dumping items with -o]:format:(FORMAT)' '*-a[set spider argument (may be repeated)]:value pair:(NAME=VALUE)' '1:spider:_scrapy_spiders' ) diff --git a/pytest.ini b/pytest.ini index 16983be5e..824c0e9e9 100644 --- a/pytest.ini +++ b/pytest.ini @@ -21,8 +21,6 @@ markers = only_asyncio: marks tests as only enabled when --reactor=asyncio is passed only_not_asyncio: marks tests as only enabled when --reactor=asyncio is not passed requires_uvloop: marks tests as only enabled when uvloop is known to be working + requires_botocore: marks tests that need botocore (but not boto3) + requires_boto3: marks tests that need botocore and boto3 filterwarnings = - ignore:scrapy.downloadermiddlewares.decompression is deprecated - ignore:Module scrapy.utils.reqser is deprecated - ignore:typing.re is deprecated - ignore:typing.io is deprecated diff --git a/scrapy/commands/__init__.py b/scrapy/commands/__init__.py index eccbef040..56199cc01 100644 --- a/scrapy/commands/__init__.py +++ b/scrapy/commands/__init__.py @@ -162,12 +162,6 @@ class BaseRunSpiderCommand(ScrapyCommand): help="dump scraped items into FILE, overwriting any existing file," " to define format set a colon at the end of the output URI (i.e. -O FILE:FORMAT)", ) - parser.add_argument( - "-t", - "--output-format", - metavar="FORMAT", - help="format to use for dumping items", - ) def process_options(self, args: list[str], opts: argparse.Namespace) -> None: super().process_options(args, opts) @@ -179,8 +173,7 @@ class BaseRunSpiderCommand(ScrapyCommand): feeds = feed_process_params_from_cli( self.settings, opts.output, - opts.output_format, - opts.overwrite_output, + overwrite_output=opts.overwrite_output, ) self.settings.set("FEEDS", feeds, priority="cmdline") diff --git a/scrapy/crawler.py b/scrapy/crawler.py index 3e5657d22..de0cf543e 100644 --- a/scrapy/crawler.py +++ b/scrapy/crawler.py @@ -3,7 +3,6 @@ from __future__ import annotations import logging import pprint import signal -import warnings from typing import TYPE_CHECKING, Any, TypeVar, cast from twisted.internet.defer import ( @@ -17,7 +16,6 @@ from zope.interface.verify import verifyClass from scrapy import Spider, signals from scrapy.addons import AddonManager from scrapy.core.engine import ExecutionEngine -from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.extension import ExtensionManager from scrapy.interfaces import ISpiderLoader from scrapy.logformatter import LogFormatter @@ -142,10 +140,8 @@ class Crawler: if self.crawling: raise RuntimeError("Crawling already taking place") if self._started: - warnings.warn( - "Running Crawler.crawl() more than once is deprecated.", - ScrapyDeprecationWarning, - stacklevel=2, + raise RuntimeError( + "Cannot run Crawler.crawl() more than once on the same instance." ) self.crawling = self._started = True diff --git a/scrapy/downloadermiddlewares/httpcompression.py b/scrapy/downloadermiddlewares/httpcompression.py index 84678b8e9..a65757972 100644 --- a/scrapy/downloadermiddlewares/httpcompression.py +++ b/scrapy/downloadermiddlewares/httpcompression.py @@ -1,6 +1,5 @@ from __future__ import annotations -import warnings from itertools import chain from logging import getLogger from typing import TYPE_CHECKING, Any @@ -15,7 +14,6 @@ from scrapy.utils._compression import ( _unbrotli, _unzstd, ) -from scrapy.utils.deprecate import ScrapyDeprecationWarning from scrapy.utils.gz import gunzip if TYPE_CHECKING: @@ -72,21 +70,7 @@ class HttpCompressionMiddleware: def from_crawler(cls, crawler: Crawler) -> Self: if not crawler.settings.getbool("COMPRESSION_ENABLED"): raise NotConfigured - try: - return cls(crawler=crawler) - except TypeError: - warnings.warn( - "HttpCompressionMiddleware subclasses must either modify " - "their '__init__' method to support a 'crawler' parameter or " - "reimplement their 'from_crawler' method.", - ScrapyDeprecationWarning, - ) - mw = cls() - mw.stats = crawler.stats - mw._max_size = crawler.settings.getint("DOWNLOAD_MAXSIZE") - mw._warn_size = crawler.settings.getint("DOWNLOAD_WARNSIZE") - crawler.signals.connect(mw.open_spider, signals.spider_opened) - return mw + return cls(crawler=crawler) def open_spider(self, spider: Spider) -> None: if hasattr(spider, "download_maxsize"): diff --git a/scrapy/downloadermiddlewares/retry.py b/scrapy/downloadermiddlewares/retry.py index 7c0e2280c..9fab172a8 100644 --- a/scrapy/downloadermiddlewares/retry.py +++ b/scrapy/downloadermiddlewares/retry.py @@ -12,12 +12,10 @@ once the spider has finished crawling all regular (non-failed) pages. from __future__ import annotations -import warnings from logging import Logger, getLogger -from typing import TYPE_CHECKING, Any +from typing import TYPE_CHECKING -from scrapy.exceptions import NotConfigured, ScrapyDeprecationWarning -from scrapy.settings import BaseSettings, Settings +from scrapy.exceptions import NotConfigured from scrapy.utils.misc import load_object from scrapy.utils.python import global_object_name from scrapy.utils.response import response_status_message @@ -29,33 +27,13 @@ if TYPE_CHECKING: from scrapy.crawler import Crawler from scrapy.http import Response from scrapy.http.request import Request + from scrapy.settings import BaseSettings from scrapy.spiders import Spider retry_logger = getLogger(__name__) -def backwards_compatibility_getattr(self: Any, name: str) -> tuple[Any, ...]: - if name == "EXCEPTIONS_TO_RETRY": - warnings.warn( - "Attribute RetryMiddleware.EXCEPTIONS_TO_RETRY is deprecated. " - "Use the RETRY_EXCEPTIONS setting instead.", - ScrapyDeprecationWarning, - stacklevel=2, - ) - return tuple( - load_object(x) if isinstance(x, str) else x - for x in Settings().getlist("RETRY_EXCEPTIONS") - ) - raise AttributeError( - f"{self.__class__.__name__!r} object has no attribute {name!r}" - ) - - -class BackwardsCompatibilityMetaclass(type): - __getattr__ = backwards_compatibility_getattr - - def get_retry_request( request: Request, *, @@ -144,22 +122,17 @@ def get_retry_request( return None -class RetryMiddleware(metaclass=BackwardsCompatibilityMetaclass): +class RetryMiddleware: def __init__(self, settings: BaseSettings): if not settings.getbool("RETRY_ENABLED"): raise NotConfigured self.max_retry_times = settings.getint("RETRY_TIMES") self.retry_http_codes = {int(x) for x in settings.getlist("RETRY_HTTP_CODES")} self.priority_adjust = settings.getint("RETRY_PRIORITY_ADJUST") - - try: - self.exceptions_to_retry = self.__getattribute__("EXCEPTIONS_TO_RETRY") - except AttributeError: - # If EXCEPTIONS_TO_RETRY is not "overridden" - self.exceptions_to_retry = tuple( - load_object(x) if isinstance(x, str) else x - for x in settings.getlist("RETRY_EXCEPTIONS") - ) + self.exceptions_to_retry = tuple( + load_object(x) if isinstance(x, str) else x + for x in settings.getlist("RETRY_EXCEPTIONS") + ) @classmethod def from_crawler(cls, crawler: Crawler) -> Self: @@ -199,5 +172,3 @@ class RetryMiddleware(metaclass=BackwardsCompatibilityMetaclass): max_retry_times=max_retry_times, priority_adjust=priority_adjust, ) - - __getattr__ = backwards_compatibility_getattr diff --git a/scrapy/extensions/feedexport.py b/scrapy/extensions/feedexport.py index eb1698ce5..6ab88dbb4 100644 --- a/scrapy/extensions/feedexport.py +++ b/scrapy/extensions/feedexport.py @@ -26,10 +26,8 @@ from scrapy import Spider, signals from scrapy.exceptions import NotConfigured, ScrapyDeprecationWarning from scrapy.extensions.postprocessing import PostProcessingManager from scrapy.settings import Settings -from scrapy.utils.boto import is_botocore_available from scrapy.utils.conf import feed_complete_default_values_from_settings from scrapy.utils.defer import maybe_deferred_to_future -from scrapy.utils.deprecate import create_deprecated_class from scrapy.utils.ftp import ftp_store_file from scrapy.utils.log import failure_to_exc_info from scrapy.utils.misc import build_from_crawler, load_object @@ -48,13 +46,6 @@ if TYPE_CHECKING: from scrapy.exporters import BaseItemExporter from scrapy.settings import BaseSettings -try: - import boto3 # noqa: F401 - - IS_BOTO3_AVAILABLE = True -except ImportError: - IS_BOTO3_AVAILABLE = False - logger = logging.getLogger(__name__) @@ -217,8 +208,10 @@ class S3FeedStorage(BlockingFeedStorage): session_token: str | None = None, region_name: str | None = None, ): - if not is_botocore_available(): - raise NotConfigured("missing botocore library") + try: + import boto3.session + except ImportError: + raise NotConfigured("missing boto3 library") u = urlparse(uri) assert u.hostname self.bucketname: str = u.hostname @@ -229,42 +222,16 @@ class S3FeedStorage(BlockingFeedStorage): self.acl: str | None = acl self.endpoint_url: str | None = endpoint_url self.region_name: str | None = region_name - # It can be either botocore.client.BaseClient or mypy_boto3_s3.S3Client, - # there seems to be no good way to infer it statically. - self.s3_client: Any - if IS_BOTO3_AVAILABLE: - import boto3.session - - boto3_session = boto3.session.Session() - - self.s3_client = boto3_session.client( - "s3", - aws_access_key_id=self.access_key, - aws_secret_access_key=self.secret_key, - aws_session_token=self.session_token, - endpoint_url=self.endpoint_url, - region_name=self.region_name, - ) - else: - warnings.warn( - "`botocore` usage has been deprecated for S3 feed " - "export, please use `boto3` to avoid problems", - category=ScrapyDeprecationWarning, - ) - - import botocore.session - - botocore_session = botocore.session.get_session() - - self.s3_client = botocore_session.create_client( - "s3", - aws_access_key_id=self.access_key, - aws_secret_access_key=self.secret_key, - aws_session_token=self.session_token, - endpoint_url=self.endpoint_url, - region_name=self.region_name, - ) + boto3_session = boto3.session.Session() + self.s3_client = boto3_session.client( + "s3", + aws_access_key_id=self.access_key, + aws_secret_access_key=self.secret_key, + aws_session_token=self.session_token, + endpoint_url=self.endpoint_url, + region_name=self.region_name, + ) if feed_options and feed_options.get("overwrite", True) is False: logger.warning( @@ -295,17 +262,10 @@ class S3FeedStorage(BlockingFeedStorage): def _store_in_thread(self, file: IO[bytes]) -> None: file.seek(0) - kwargs: dict[str, Any] - if IS_BOTO3_AVAILABLE: - kwargs = {"ExtraArgs": {"ACL": self.acl}} if self.acl else {} - self.s3_client.upload_fileobj( - Bucket=self.bucketname, Key=self.keyname, Fileobj=file, **kwargs - ) - else: - kwargs = {"ACL": self.acl} if self.acl else {} - self.s3_client.put_object( - Bucket=self.bucketname, Key=self.keyname, Body=file, **kwargs - ) + kwargs: dict[str, Any] = {"ExtraArgs": {"ACL": self.acl}} if self.acl else {} + self.s3_client.upload_fileobj( + Bucket=self.bucketname, Key=self.keyname, Fileobj=file, **kwargs + ) file.close() @@ -464,12 +424,6 @@ class FeedSlot: self._exporting = False -_FeedSlot = create_deprecated_class( - name="_FeedSlot", - new_class=FeedSlot, -) - - class FeedExporter: _pending_deferreds: list[Deferred[None]] = [] diff --git a/scrapy/pipelines/images.py b/scrapy/pipelines/images.py index bbba7d1e1..2c4c9376e 100644 --- a/scrapy/pipelines/images.py +++ b/scrapy/pipelines/images.py @@ -8,14 +8,13 @@ from __future__ import annotations import functools import hashlib -import warnings from contextlib import suppress from io import BytesIO from typing import TYPE_CHECKING, Any, cast from itemadapter import ItemAdapter -from scrapy.exceptions import DropItem, NotConfigured, ScrapyDeprecationWarning +from scrapy.exceptions import NotConfigured from scrapy.http import Request, Response from scrapy.http.request import NO_CALLBACK from scrapy.pipelines.files import ( @@ -27,7 +26,7 @@ from scrapy.pipelines.files import ( _md5sum, ) from scrapy.settings import Settings -from scrapy.utils.python import get_func_args, to_bytes +from scrapy.utils.python import to_bytes if TYPE_CHECKING: from collections.abc import Callable, Iterable @@ -42,18 +41,6 @@ if TYPE_CHECKING: from scrapy.pipelines.media import FileInfoOrError, MediaPipeline -class NoimagesDrop(DropItem): - """Product with no images exception""" - - def __init__(self, *args: Any, **kwargs: Any): - warnings.warn( - "The NoimagesDrop class is deprecated", - category=ScrapyDeprecationWarning, - stacklevel=2, - ) - super().__init__(*args, **kwargs) - - class ImageException(FileException): """General image error exception""" @@ -120,8 +107,6 @@ class ImagesPipeline(FilesPipeline): resolve("IMAGES_THUMBS"), self.THUMBS ) - self._deprecated_convert_image: bool | None = None - @classmethod def from_settings(cls, settings: Settings) -> Self: s3store: type[S3FilesStore] = cast(type[S3FilesStore], cls.STORE_SCHEMES["s3"]) @@ -203,49 +188,25 @@ class ImagesPipeline(FilesPipeline): f"{self.min_width}x{self.min_height})" ) - if self._deprecated_convert_image is None: - self._deprecated_convert_image = "response_body" not in get_func_args( - self.convert_image - ) - if self._deprecated_convert_image: - warnings.warn( - f"{self.__class__.__name__}.convert_image() method overridden in a deprecated way, " - "overridden method does not accept response_body argument.", - category=ScrapyDeprecationWarning, - ) - - if self._deprecated_convert_image: - image, buf = self.convert_image(orig_image) - else: - image, buf = self.convert_image( - orig_image, response_body=BytesIO(response.body) - ) + image, buf = self.convert_image( + orig_image, response_body=BytesIO(response.body) + ) yield path, image, buf for thumb_id, size in self.thumbs.items(): thumb_path = self.thumb_path( request, thumb_id, response=response, info=info, item=item ) - if self._deprecated_convert_image: - thumb_image, thumb_buf = self.convert_image(image, size) - else: - thumb_image, thumb_buf = self.convert_image(image, size, buf) + thumb_image, thumb_buf = self.convert_image(image, size, response_body=buf) yield thumb_path, thumb_image, thumb_buf def convert_image( self, image: Image.Image, size: tuple[int, int] | None = None, - response_body: BytesIO | None = None, + *, + response_body: BytesIO, ) -> tuple[Image.Image, BytesIO]: - if response_body is None: - warnings.warn( - f"{self.__class__.__name__}.convert_image() method called in a deprecated way, " - "method called without response_body argument.", - category=ScrapyDeprecationWarning, - stacklevel=2, - ) - if image.format in ("PNG", "WEBP") and image.mode == "RGBA": background = self._Image.new("RGBA", image.size, (255, 255, 255)) background.paste(image, image) @@ -268,7 +229,7 @@ class ImagesPipeline(FilesPipeline): except AttributeError: resampling_filter = self._Image.ANTIALIAS # type: ignore[attr-defined] image.thumbnail(size, resampling_filter) - elif response_body is not None and image.format == "JPEG": + elif image.format == "JPEG": return image, response_body buf = BytesIO() diff --git a/scrapy/utils/conf.py b/scrapy/utils/conf.py index 64cd31c4b..91a49c652 100644 --- a/scrapy/utils/conf.py +++ b/scrapy/utils/conf.py @@ -3,14 +3,13 @@ from __future__ import annotations import numbers import os import sys -import warnings from collections.abc import Iterable from configparser import ConfigParser from operator import itemgetter from pathlib import Path from typing import TYPE_CHECKING, Any, Callable, cast -from scrapy.exceptions import ScrapyDeprecationWarning, UsageError +from scrapy.exceptions import UsageError from scrapy.settings import BaseSettings from scrapy.utils.deprecate import update_classpath from scrapy.utils.python import without_none_values @@ -21,7 +20,7 @@ if TYPE_CHECKING: def build_component_list( compdict: MutableMapping[Any, Any], - custom: Any = None, + *, convert: Callable[[Any], Any] = update_classpath, ) -> list[Any]: """Compose a component list from a { class: order } dictionary.""" @@ -60,19 +59,6 @@ def build_component_list( "please provide a real number or None instead" ) - if custom is not None: - warnings.warn( - "The 'custom' attribute of build_component_list() is deprecated. " - "Please merge its value into 'compdict' manually or change your " - "code to use Settings.getwithbase().", - category=ScrapyDeprecationWarning, - stacklevel=2, - ) - if isinstance(custom, (list, tuple)): - _check_components(custom) - return type(custom)(convert(c) for c in custom) # type: ignore[return-value] - compdict.update(custom) - _validate_values(compdict) compdict = without_none_values(_map_keys(compdict)) return [k for k, v in sorted(compdict.items(), key=itemgetter(1))] @@ -159,7 +145,7 @@ def feed_complete_default_values_from_settings( def feed_process_params_from_cli( settings: BaseSettings, output: list[str], - output_format: str | None = None, + *, overwrite_output: list[str] | None = None, ) -> dict[str, dict[str, Any]]: """ @@ -186,37 +172,9 @@ def feed_process_params_from_cli( raise UsageError( "Please use only one of -o/--output and -O/--overwrite-output" ) - if output_format: - raise UsageError( - "-t/--output-format is a deprecated command line option" - " and does not work in combination with -O/--overwrite-output." - " To specify a format please specify it after a colon at the end of the" - " output URI (i.e. -O <URI>:<FORMAT>)." - " Example working in the tutorial: " - "scrapy crawl quotes -O quotes.json:json" - ) output = overwrite_output overwrite = True - if output_format: - if len(output) == 1: - check_valid_format(output_format) - message = ( - "The -t/--output-format command line option is deprecated in favor of " - "specifying the output format within the output URI using the -o/--output or the" - " -O/--overwrite-output option (i.e. -o/-O <URI>:<FORMAT>). See the documentation" - " of the -o or -O option or the following examples for more information. " - "Examples working in the tutorial: " - "scrapy crawl quotes -o quotes.csv:csv or " - "scrapy crawl quotes -O quotes.json:json" - ) - warnings.warn(message, ScrapyDeprecationWarning, stacklevel=2) - return {output[0]: {"format": output_format}} - raise UsageError( - "The -t command-line option cannot be used if multiple output " - "URIs are specified" - ) - result: dict[str, dict[str, Any]] = {} for element in output: try: diff --git a/scrapy/utils/reactor.py b/scrapy/utils/reactor.py index f8904a9aa..e7bd0b232 100644 --- a/scrapy/utils/reactor.py +++ b/scrapy/utils/reactor.py @@ -4,12 +4,11 @@ import asyncio import sys from contextlib import suppress from typing import TYPE_CHECKING, Any, Generic, TypeVar -from warnings import catch_warnings, filterwarnings, warn +from warnings import catch_warnings, filterwarnings from twisted.internet import asyncioreactor, error from twisted.internet.base import DelayedCall -from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.utils.misc import load_object if TYPE_CHECKING: @@ -79,22 +78,6 @@ def set_asyncio_event_loop_policy() -> None: _get_asyncio_event_loop_policy() -def get_asyncio_event_loop_policy() -> AbstractEventLoopPolicy: - warn( - "Call to deprecated function " - "scrapy.utils.reactor.get_asyncio_event_loop_policy().\n" - "\n" - "Please use get_event_loop, new_event_loop and set_event_loop" - " from asyncio instead, as the corresponding policy methods may lead" - " to unexpected behaviour.\n" - "This function is replaced by set_asyncio_event_loop_policy and" - " is meant to be used only when the reactor is being installed.", - category=ScrapyDeprecationWarning, - stacklevel=2, - ) - return _get_asyncio_event_loop_policy() - - def _get_asyncio_event_loop_policy() -> AbstractEventLoopPolicy: policy = asyncio.get_event_loop_policy() if sys.platform == "win32" and not isinstance( diff --git a/scrapy/utils/request.py b/scrapy/utils/request.py index 82bdcb0f9..e80cbbb89 100644 --- a/scrapy/utils/request.py +++ b/scrapy/utils/request.py @@ -30,17 +30,9 @@ if TYPE_CHECKING: from scrapy.crawler import Crawler -def _serialize_headers(headers: Iterable[bytes], request: Request) -> Iterable[bytes]: - for header in headers: - if header in request.headers: - yield header - yield from request.headers.getlist(header) - - _fingerprint_cache: WeakKeyDictionary[ Request, dict[tuple[tuple[bytes, ...] | None, bool], bytes] -] -_fingerprint_cache = WeakKeyDictionary() +] = WeakKeyDictionary() def fingerprint( diff --git a/tests/test_crawler.py b/tests/test_crawler.py index 92a201fd1..37348778c 100644 --- a/tests/test_crawler.py +++ b/tests/test_crawler.py @@ -8,7 +8,6 @@ import warnings from pathlib import Path from typing import Any -import pytest from packaging.version import parse as parse_version from pexpect.popen_spawn import PopenSpawn from pytest import mark, raises @@ -82,13 +81,10 @@ class CrawlerTestCase(BaseCrawlerTest): Crawler(DefaultSpider()) @inlineCallbacks - def test_crawler_crawl_twice_deprecated(self): + def test_crawler_crawl_twice_unsupported(self): crawler = get_raw_crawler(NoRequestsSpider, BASE_SETTINGS) yield crawler.crawl() - with pytest.warns( - ScrapyDeprecationWarning, - match=r"Running Crawler.crawl\(\) more than once is deprecated", - ): + with raises(RuntimeError, match="more than once on the same instance"): yield crawler.crawl() def test_get_addon(self): diff --git a/tests/test_downloader_handlers.py b/tests/test_downloader_handlers.py index 19cea97ec..6a7597e9f 100644 --- a/tests/test_downloader_handlers.py +++ b/tests/test_downloader_handlers.py @@ -8,6 +8,7 @@ from pathlib import Path from tempfile import mkdtemp, mkstemp from unittest import SkipTest, mock +import pytest from testfixtures import LogCapture from twisted.cred import checkers, credentials, portal from twisted.internet import defer, error, reactor @@ -32,7 +33,7 @@ from scrapy.responsetypes import responsetypes from scrapy.spiders import Spider from scrapy.utils.misc import build_from_crawler from scrapy.utils.python import to_bytes -from scrapy.utils.test import get_crawler, skip_if_no_boto +from scrapy.utils.test import get_crawler from tests import NON_EXISTING_RESOLVABLE from tests.mockserver import ( Echo, @@ -824,9 +825,9 @@ class HttpDownloadHandlerMock: return request +@pytest.mark.requires_botocore class S3AnonTestCase(unittest.TestCase): def setUp(self): - skip_if_no_boto() crawler = get_crawler() self.s3reqh = build_from_crawler( S3DownloadHandler, @@ -845,6 +846,7 @@ class S3AnonTestCase(unittest.TestCase): self.assertEqual(httpreq.url, "http://aws-publicdatasets.s3.amazonaws.com/") +@pytest.mark.requires_botocore class S3TestCase(unittest.TestCase): download_handler_cls: type = S3DownloadHandler @@ -856,7 +858,6 @@ class S3TestCase(unittest.TestCase): AWS_SECRET_ACCESS_KEY = "uV3F3YluFJax1cknvbcGwgjvx4QpvB+leU8dUj2o" def setUp(self): - skip_if_no_boto() crawler = get_crawler() s3reqh = build_from_crawler( S3DownloadHandler, diff --git a/tests/test_downloadermiddleware_httpcompression.py b/tests/test_downloadermiddleware_httpcompression.py index 7c36f748e..934af6590 100644 --- a/tests/test_downloadermiddleware_httpcompression.py +++ b/tests/test_downloadermiddleware_httpcompression.py @@ -3,7 +3,6 @@ from io import BytesIO from logging import WARNING from pathlib import Path from unittest import SkipTest, TestCase -from warnings import catch_warnings from testfixtures import LogCapture from w3lib.encoding import resolve_encoding @@ -12,7 +11,7 @@ from scrapy.downloadermiddlewares.httpcompression import ( ACCEPTED_ENCODINGS, HttpCompressionMiddleware, ) -from scrapy.exceptions import IgnoreRequest, NotConfigured, ScrapyDeprecationWarning +from scrapy.exceptions import IgnoreRequest, NotConfigured from scrapy.http import HtmlResponse, Request, Response from scrapy.responsetypes import responsetypes from scrapy.spiders import Spider @@ -700,29 +699,3 @@ class HttpCompressionTest(TestCase): except ImportError: raise SkipTest("no zstd support (zstandard)") self._test_download_warnsize_request_meta("zstd") - - -class HttpCompressionSubclassTest(TestCase): - def test_init_missing_stats(self): - class HttpCompressionMiddlewareSubclass(HttpCompressionMiddleware): - def __init__(self): - super().__init__() - - crawler = get_crawler(Spider) - with catch_warnings(record=True) as caught_warnings: - HttpCompressionMiddlewareSubclass.from_crawler(crawler) - messages = tuple( - str(warning.message) - for warning in caught_warnings - if warning.category is ScrapyDeprecationWarning - ) - self.assertEqual( - messages, - ( - ( - "HttpCompressionMiddleware subclasses must either modify " - "their '__init__' method to support a 'crawler' parameter " - "or reimplement their 'from_crawler' method." - ), - ), - ) diff --git a/tests/test_downloadermiddleware_retry.py b/tests/test_downloadermiddleware_retry.py index 661175840..a010865ef 100644 --- a/tests/test_downloadermiddleware_retry.py +++ b/tests/test_downloadermiddleware_retry.py @@ -1,6 +1,5 @@ import logging import unittest -import warnings from testfixtures import LogCapture from twisted.internet import defer @@ -122,37 +121,6 @@ class RetryTest(unittest.TestCase): req = Request(f"http://www.scrapytest.org/{exc.__name__}") self._test_retry_exception(req, exc("foo"), mw) - def test_exception_to_retry_custom_middleware(self): - exc = ValueError - - with warnings.catch_warnings(record=True) as warns: - - class MyRetryMiddleware(RetryMiddleware): - EXCEPTIONS_TO_RETRY = RetryMiddleware.EXCEPTIONS_TO_RETRY + (exc,) - - self.assertEqual(len(warns), 1) - - mw2 = MyRetryMiddleware.from_crawler(self.crawler) - req = Request(f"http://www.scrapytest.org/{exc.__name__}") - req = mw2.process_exception(req, exc("foo"), self.spider) - assert isinstance(req, Request) - self.assertEqual(req.meta["retry_times"], 1) - - def test_exception_to_retry_custom_middleware_self(self): - class MyRetryMiddleware(RetryMiddleware): - def process_exception(self, request, exception, spider): - if isinstance(exception, self.EXCEPTIONS_TO_RETRY): - return self._retry(request, exception, spider) - - exc = OSError - mw2 = MyRetryMiddleware.from_crawler(self.crawler) - req = Request(f"http://www.scrapytest.org/{exc.__name__}") - with warnings.catch_warnings(record=True) as warns: - req = mw2.process_exception(req, exc("foo"), self.spider) - assert isinstance(req, Request) - self.assertEqual(req.meta["retry_times"], 1) - self.assertEqual(len(warns), 1) - def _test_retry_exception(self, req, exception, mw=None): if mw is None: mw = self.mw diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py index f59412ab4..790c347fb 100644 --- a/tests/test_feedexport.py +++ b/tests/test_feedexport.py @@ -37,7 +37,6 @@ from scrapy import signals from scrapy.exceptions import NotConfigured, ScrapyDeprecationWarning from scrapy.exporters import CsvItemExporter, JsonItemExporter from scrapy.extensions.feedexport import ( - IS_BOTO3_AVAILABLE, BlockingFeedStorage, FeedExporter, FeedSlot, @@ -50,7 +49,7 @@ from scrapy.extensions.feedexport import ( ) from scrapy.settings import Settings from scrapy.utils.python import to_unicode -from scrapy.utils.test import get_crawler, mock_google_cloud_storage, skip_if_no_boto +from scrapy.utils.test import get_crawler, mock_google_cloud_storage from tests.mockserver import MockFTPServer, MockServer from tests.spiders import ItemSpider @@ -240,10 +239,8 @@ class BlockingFeedStorageTest(unittest.TestCase): self.assertRaises(OSError, b.open, spider=spider) +@pytest.mark.requires_boto3 class S3FeedStorageTest(unittest.TestCase): - def setUp(self): - skip_if_no_boto() - def test_parse_credentials(self): aws_credentials = { "AWS_ACCESS_KEY_ID": "settings_key", @@ -292,38 +289,12 @@ class S3FeedStorageTest(unittest.TestCase): file = mock.MagicMock() - if IS_BOTO3_AVAILABLE: - storage.s3_client = mock.MagicMock() - yield storage.store(file) - self.assertEqual( - storage.s3_client.upload_fileobj.call_args, - mock.call(Bucket=bucket, Key=key, Fileobj=file), - ) - else: - from botocore.stub import Stubber - - with Stubber(storage.s3_client) as stub: - stub.add_response( - "put_object", - expected_params={ - "Body": file, - "Bucket": bucket, - "Key": key, - }, - service_response={}, - ) - - yield storage.store(file) - - stub.assert_no_pending_responses() - self.assertEqual( - file.method_calls, - [ - mock.call.seek(0), - # The call to read does not happen with Stubber - mock.call.close(), - ], - ) + storage.s3_client = mock.MagicMock() + yield storage.store(file) + self.assertEqual( + storage.s3_client.upload_fileobj.call_args, + mock.call(Bucket=bucket, Key=key, Fileobj=file), + ) def test_init_without_acl(self): storage = S3FeedStorage("s3://mybucket/export.csv", "access_key", "secret_key") @@ -459,14 +430,11 @@ class S3FeedStorageTest(unittest.TestCase): storage.s3_client = mock.MagicMock() yield storage.store(BytesIO(b"test file")) - if IS_BOTO3_AVAILABLE: - acl = ( - storage.s3_client.upload_fileobj.call_args[1] - .get("ExtraArgs", {}) - .get("ACL") - ) - else: - acl = storage.s3_client.put_object.call_args[1].get("ACL") + acl = ( + storage.s3_client.upload_fileobj.call_args[1] + .get("ExtraArgs", {}) + .get("ACL") + ) self.assertIsNone(acl) @defer.inlineCallbacks @@ -480,10 +448,7 @@ class S3FeedStorageTest(unittest.TestCase): storage.s3_client = mock.MagicMock() yield storage.store(BytesIO(b"test file")) - if IS_BOTO3_AVAILABLE: - acl = storage.s3_client.upload_fileobj.call_args[1]["ExtraArgs"]["ACL"] - else: - acl = storage.s3_client.put_object.call_args[1]["ACL"] + acl = storage.s3_client.upload_fileobj.call_args[1]["ExtraArgs"]["ACL"] self.assertEqual(acl, "custom-acl") def test_overwrite_default(self): @@ -2647,9 +2612,9 @@ class BatchDeliveriesTest(FeedExportTestBase): crawler.stats.get_value("feedexport/success_count/FileFeedStorage"), 12 ) + @pytest.mark.requires_boto3 @defer.inlineCallbacks def test_s3_export(self): - skip_if_no_boto() bucket = "mybucket" items = [ self.MyItem({"foo": "bar1", "egg": "spam1"}), diff --git a/tests/test_pipeline_files.py b/tests/test_pipeline_files.py index 6ce7fc059..47840caaa 100644 --- a/tests/test_pipeline_files.py +++ b/tests/test_pipeline_files.py @@ -11,6 +11,7 @@ from unittest import mock from urllib.parse import urlparse import attr +import pytest from itemadapter import ItemAdapter from twisted.internet import defer from twisted.trial import unittest @@ -30,7 +31,6 @@ from scrapy.utils.test import ( get_crawler, get_ftp_content_and_delete, get_gcs_content_and_delete, - skip_if_no_boto, ) from tests.mockserver import MockFTPServer @@ -507,11 +507,10 @@ class FilesPipelineTestCaseCustomSettings(unittest.TestCase): self.assertEqual(fs_store.basedir, str(path)) +@pytest.mark.requires_botocore class TestS3FilesStore(unittest.TestCase): @defer.inlineCallbacks def test_persist(self): - skip_if_no_boto() - bucket = "mybucket" key = "export.csv" uri = f"s3://{bucket}/{key}" @@ -557,8 +556,6 @@ class TestS3FilesStore(unittest.TestCase): @defer.inlineCallbacks def test_stat(self): - skip_if_no_boto() - bucket = "mybucket" key = "export.csv" uri = f"s3://{bucket}/{key}" diff --git a/tests/test_pipeline_images.py b/tests/test_pipeline_images.py index 2c3b191fe..7561e1fd4 100644 --- a/tests/test_pipeline_images.py +++ b/tests/test_pipeline_images.py @@ -1,24 +1,19 @@ from __future__ import annotations import dataclasses -import hashlib import io import random -import warnings from shutil import rmtree from tempfile import mkdtemp -from unittest.mock import patch import attr from itemadapter import ItemAdapter from twisted.trial import unittest -from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.http import Request, Response from scrapy.item import Field, Item -from scrapy.pipelines.images import ImageException, ImagesPipeline, NoimagesDrop +from scrapy.pipelines.images import ImageException, ImagesPipeline from scrapy.settings import Settings -from scrapy.utils.python import to_bytes skip_pillow: str | None try: @@ -159,7 +154,7 @@ class ImagesPipelineTestCase(unittest.TestCase): with self.assertRaises(ImageException): next(self.pipeline.get_images(response=resp3, request=req, info=object())) - def test_get_images_new(self): + def test_get_images(self): self.pipeline.min_width = 0 self.pipeline.min_height = 0 self.pipeline.thumbs = {"small": (20, 20)} @@ -185,101 +180,7 @@ class ImagesPipelineTestCase(unittest.TestCase): self.assertEqual(thumb_img, thumb_img) self.assertEqual(orig_thumb_buf.getvalue(), thumb_buf.getvalue()) - def test_get_images_old(self): - self.pipeline.thumbs = {"small": (20, 20)} - orig_im, buf = _create_image("JPEG", "RGB", (50, 50), (0, 0, 0)) - resp = Response(url="https://dev.mydeco.com/mydeco.gif", body=buf.getvalue()) - req = Request(url="https://dev.mydeco.com/mydeco.gif") - - def overridden_convert_image(image, size=None): - im, buf = _create_image("JPEG", "RGB", (50, 50), (0, 0, 0)) - return im, buf - - with patch.object(self.pipeline, "convert_image", overridden_convert_image): - with warnings.catch_warnings(record=True) as w: - warnings.simplefilter("always") - get_images_gen = self.pipeline.get_images( - response=resp, request=req, info=object() - ) - path, new_im, new_buf = next(get_images_gen) - self.assertEqual( - path, "full/3fd165099d8e71b8a48b2683946e64dbfad8b52d.jpg" - ) - self.assertEqual(orig_im.mode, new_im.mode) - self.assertEqual(orig_im.getcolors(), new_im.getcolors()) - self.assertEqual(buf.getvalue(), new_buf.getvalue()) - - thumb_path, thumb_img, thumb_buf = next(get_images_gen) - self.assertEqual( - thumb_path, - "thumbs/small/3fd165099d8e71b8a48b2683946e64dbfad8b52d.jpg", - ) - self.assertEqual(orig_im.mode, thumb_img.mode) - self.assertEqual(orig_im.getcolors(), thumb_img.getcolors()) - self.assertEqual(buf.getvalue(), thumb_buf.getvalue()) - - expected_warning_msg = ( - ".convert_image() method overridden in a deprecated way, " - "overridden method does not accept response_body argument." - ) - self.assertEqual( - len( - [ - warning - for warning in w - if expected_warning_msg in str(warning.message) - ] - ), - 1, - ) - - def test_convert_image_old(self): - # tests for old API - with warnings.catch_warnings(record=True) as w: - warnings.simplefilter("always") - SIZE = (100, 100) - # straight forward case: RGB and JPEG - COLOUR = (0, 127, 255) - im, _ = _create_image("JPEG", "RGB", SIZE, COLOUR) - converted, _ = self.pipeline.convert_image(im) - self.assertEqual(converted.mode, "RGB") - self.assertEqual(converted.getcolors(), [(10000, COLOUR)]) - - # check that thumbnail keep image ratio - thumbnail, _ = self.pipeline.convert_image(converted, size=(10, 25)) - self.assertEqual(thumbnail.mode, "RGB") - self.assertEqual(thumbnail.size, (10, 10)) - - # transparency case: RGBA and PNG - COLOUR = (0, 127, 255, 50) - im, _ = _create_image("PNG", "RGBA", SIZE, COLOUR) - converted, _ = self.pipeline.convert_image(im) - self.assertEqual(converted.mode, "RGB") - self.assertEqual(converted.getcolors(), [(10000, (205, 230, 255))]) - - # transparency case with palette: P and PNG - COLOUR = (0, 127, 255, 50) - im, _ = _create_image("PNG", "RGBA", SIZE, COLOUR) - im = im.convert("P") - converted, _ = self.pipeline.convert_image(im) - self.assertEqual(converted.mode, "RGB") - self.assertEqual(converted.getcolors(), [(10000, (205, 230, 255))]) - - # ensure that we received deprecation warnings - expected_warning_msg = ".convert_image() method called in a deprecated way" - self.assertTrue( - len( - [ - warning - for warning in w - if expected_warning_msg in str(warning.message) - ] - ) - == 4 - ) - - def test_convert_image_new(self): - # tests for new API + def test_convert_image(self): SIZE = (100, 100) # straight forward case: RGB and JPEG COLOUR = (0, 127, 255) @@ -313,19 +214,6 @@ class ImagesPipelineTestCase(unittest.TestCase): self.assertEqual(converted.getcolors(), [(10000, (205, 230, 255))]) -class DeprecatedImagesPipeline(ImagesPipeline): - def file_key(self, url): - return self.image_key(url) - - def image_key(self, url): - image_guid = hashlib.sha1(to_bytes(url)).hexdigest() - return f"empty/{image_guid}.jpg" - - def thumb_key(self, url, thumb_id): - thumb_guid = hashlib.sha1(to_bytes(url)).hexdigest() - return f"thumbsup/{thumb_id}/{thumb_guid}.jpg" - - class ImagesPipelineTestCaseFieldsMixin: skip = skip_pillow @@ -627,23 +515,6 @@ class ImagesPipelineTestCaseCustomSettings(unittest.TestCase): self.assertEqual(getattr(pipeline_cls, pipe_attr.lower()), expected_value) -class NoimagesDropTestCase(unittest.TestCase): - def test_deprecation_warning(self): - arg = "" - with warnings.catch_warnings(record=True) as w: - NoimagesDrop(arg) - self.assertEqual(len(w), 1) - self.assertEqual(w[0].category, ScrapyDeprecationWarning) - with warnings.catch_warnings(record=True) as w: - - class SubclassedNoimagesDrop(NoimagesDrop): - pass - - SubclassedNoimagesDrop(arg) - self.assertEqual(len(w), 1) - self.assertEqual(w[0].category, ScrapyDeprecationWarning) - - def _create_image(format, *a, **kw): buf = io.BytesIO() Image.new(*a, **kw).save(buf, format) diff --git a/tests/test_utils_conf.py b/tests/test_utils_conf.py index dc3f01d57..2ce7948eb 100644 --- a/tests/test_utils_conf.py +++ b/tests/test_utils_conf.py @@ -1,9 +1,6 @@ import unittest -import warnings -import pytest - -from scrapy.exceptions import ScrapyDeprecationWarning, UsageError +from scrapy.exceptions import UsageError from scrapy.settings import BaseSettings, Settings from scrapy.utils.conf import ( arglist_to_dict, @@ -20,50 +17,6 @@ class BuildComponentListTest(unittest.TestCase): build_component_list(d, convert=lambda x: x), ["one", "four", "three"] ) - def test_backward_compatible_build_dict(self): - base = {"one": 1, "two": 2, "three": 3, "five": 5, "six": None} - custom = {"two": None, "three": 8, "four": 4} - with pytest.warns(ScrapyDeprecationWarning, match="The 'custom' attribute"): - self.assertEqual( - build_component_list(base, custom, convert=lambda x: x), - ["one", "four", "five", "three"], - ) - - def test_return_list(self): - custom = ["a", "b", "c"] - with pytest.warns(ScrapyDeprecationWarning, match="The 'custom' attribute"): - self.assertEqual( - build_component_list(None, custom, convert=lambda x: x), custom - ) - - def test_map_dict(self): - custom = {"one": 1, "two": 2, "three": 3} - with pytest.warns(ScrapyDeprecationWarning, match="The 'custom' attribute"): - self.assertEqual( - build_component_list({}, custom, convert=lambda x: x.upper()), - ["ONE", "TWO", "THREE"], - ) - - def test_map_list(self): - custom = ["a", "b", "c"] - with pytest.warns(ScrapyDeprecationWarning, match="The 'custom' attribute"): - self.assertEqual( - build_component_list(None, custom, lambda x: x.upper()), ["A", "B", "C"] - ) - - def test_duplicate_components_in_dict(self): - duplicate_dict = {"one": 1, "two": 2, "ONE": 4} - with self.assertRaises(ValueError): - with pytest.warns(ScrapyDeprecationWarning, match="The 'custom' attribute"): - build_component_list({}, duplicate_dict, convert=lambda x: x.lower()) - - def test_duplicate_components_in_list(self): - duplicate_list = ["a", "b", "a"] - with self.assertRaises(ValueError) as cm: - with pytest.warns(ScrapyDeprecationWarning, match="The 'custom' attribute"): - build_component_list(None, duplicate_list, convert=lambda x: x) - self.assertIn(str(duplicate_list), str(cm.exception)) - def test_duplicate_components_in_basesettings(self): # Higher priority takes precedence duplicate_bs = BaseSettings({"one": 1, "two": 2}, priority=0) @@ -92,11 +45,6 @@ class BuildComponentListTest(unittest.TestCase): "c": 22222222222222222222, } self.assertEqual(build_component_list(d, convert=lambda x: x), ["b", "c", "a"]) - # raise exception for invalid values - d = {"one": "5"} - with self.assertRaises(ValueError): - with pytest.warns(ScrapyDeprecationWarning, match="The 'custom' attribute"): - build_component_list({}, d, convert=lambda x: x) class UtilsConfTestCase(unittest.TestCase): @@ -115,7 +63,6 @@ class FeedExportConfigTestCase(unittest.TestCase): feed_process_params_from_cli, settings, ["items.dat"], - "noformat", ) def test_feed_export_config_mismatch(self): @@ -125,18 +72,8 @@ class FeedExportConfigTestCase(unittest.TestCase): feed_process_params_from_cli, settings, ["items1.dat", "items2.dat"], - "noformat", ) - def test_feed_export_config_backward_compatible(self): - with warnings.catch_warnings(record=True) as cw: - settings = Settings() - self.assertEqual( - {"items.dat": {"format": "csv"}}, - feed_process_params_from_cli(settings, ["items.dat"], "csv"), - ) - self.assertEqual(cw[0].category, ScrapyDeprecationWarning) - def test_feed_export_config_explicit_formats(self): settings = Settings() self.assertEqual( @@ -174,7 +111,9 @@ class FeedExportConfigTestCase(unittest.TestCase): settings = Settings() self.assertEqual( {"output.json": {"format": "json", "overwrite": True}}, - feed_process_params_from_cli(settings, [], None, ["output.json"]), + feed_process_params_from_cli( + settings, [], overwrite_output=["output.json"] + ), ) def test_output_and_overwrite_output(self): @@ -182,8 +121,7 @@ class FeedExportConfigTestCase(unittest.TestCase): feed_process_params_from_cli( Settings(), ["output1.json"], - None, - ["output2.json"], + overwrite_output=["output2.json"], ) def test_feed_complete_default_values_from_settings_empty(self): diff --git a/tox.ini b/tox.ini index a526fc120..5783a0e61 100644 --- a/tox.ini +++ b/tox.ini @@ -241,7 +241,7 @@ deps = {[testenv]deps} botocore>=1.4.87 commands = - pytest --cov=scrapy --cov-report=xml --cov-report= {posargs:tests -k s3} + pytest --cov=scrapy --cov-report=xml --cov-report= {posargs:tests -m requires_botocore} [testenv:botocore-pinned] basepython = {[pinned]basepython} @@ -252,4 +252,4 @@ install_command = {[pinned]install_command} setenv = {[pinned]setenv} commands = - pytest --cov=scrapy --cov-report=xml --cov-report= {posargs:tests -k s3} + pytest --cov=scrapy --cov-report=xml --cov-report= {posargs:tests -m requires_botocore} From 7701e590fbc5ac4d5da8512b07dc4e81e0d9c6c1 Mon Sep 17 00:00:00 2001 From: Rohit Kumar Singh <145501871+Rohitkr117@users.noreply.github.com> Date: Sat, 2 Nov 2024 11:15:27 +0530 Subject: [PATCH 295/786] Documentation added for Spider State in extensions.rst (#6522) * Documentation added for Spider State in extensions.rst * Made correction in documentation for Spiderstate * Added appropriate intro for Spider state extension * Added reference for spiderstate extension * Added Spiderstate extension hyperlink refrence in jobs.rst --- docs/topics/extensions.rst | 26 ++++++++++++++++++++++++++ docs/topics/jobs.rst | 2 +- 2 files changed, 27 insertions(+), 1 deletion(-) diff --git a/docs/topics/extensions.rst b/docs/topics/extensions.rst index 7b34a19d5..9cbc9663d 100644 --- a/docs/topics/extensions.rst +++ b/docs/topics/extensions.rst @@ -243,6 +243,32 @@ An extension for debugging memory usage. It collects information about: To enable this extension, turn on the :setting:`MEMDEBUG_ENABLED` setting. The info will be stored in the stats. +.. _topics-extensions-ref-spiderstate: + +Spider state extension +~~~~~~~~~~~~~~~~~~~~~~ + +.. module:: scrapy.extensions.spiderstate + :synopsis: Spider state extension + +.. class:: SpiderState + +Manages spider state data by loading it before a crawl and saving it after. + +Give a value to the :setting:`JOBDIR` setting to enable this extension. +When enabled, this extension manages the :attr:`~scrapy.Spider.state` +attribute of your :class:`~scrapy.Spider` instance: + +- When your spider closes (:signal:`spider_closed`), the contents of its + :attr:`~scrapy.Spider.state` attribute are serialized into a file named + ``spider.state`` in the :setting:`JOBDIR` folder. +- When your spider opens (:signal:`spider_opened`), if a previously-generated + ``spider.state`` file exists in the :setting:`JOBDIR` folder, it is loaded + into the :attr:`~scrapy.Spider.state` attribute. + + +For an example, see :ref:`topics-keeping-persistent-state-between-batches`. + Close spider extension ~~~~~~~~~~~~~~~~~~~~~~ diff --git a/docs/topics/jobs.rst b/docs/topics/jobs.rst index c7fc1ea48..0e705dc64 100644 --- a/docs/topics/jobs.rst +++ b/docs/topics/jobs.rst @@ -46,7 +46,7 @@ Keeping persistent state between batches Sometimes you'll want to keep some persistent spider state between pause/resume batches. You can use the ``spider.state`` attribute for that, which should be a -dict. There's a built-in extension that takes care of serializing, storing and +dict. There's :ref:`a built-in extension <topics-extensions-ref-spiderstate>` that takes care of serializing, storing and loading that attribute from the job directory, when the spider starts and stops. From ce5a132f12341a4118edb7c8ae3b7c2a27306057 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Mon, 4 Nov 2024 15:40:07 +0500 Subject: [PATCH 296/786] Run and fix linkcheck. (#6524) --- README.rst | 8 +++--- docs/conf.py | 1 + docs/contributing.rst | 10 ++++---- docs/faq.rst | 11 ++++---- docs/index.rst | 2 +- docs/intro/install.rst | 4 +-- docs/intro/overview.rst | 2 +- docs/intro/tutorial.rst | 4 +-- docs/news.rst | 31 +++++++++++------------ docs/topics/architecture.rst | 6 ++--- docs/topics/broad-crawls.rst | 4 +-- docs/topics/deploy.rst | 2 +- docs/topics/developer-tools.rst | 2 +- docs/topics/downloader-middleware.rst | 12 ++++----- docs/topics/dynamic-content.rst | 7 +++-- docs/topics/extensions.rst | 4 --- docs/topics/feed-exports.rst | 9 +++---- docs/topics/item-pipeline.rst | 2 +- docs/topics/items.rst | 2 +- docs/topics/media-pipeline.rst | 8 +++--- docs/topics/selectors.rst | 8 +++--- docs/topics/settings.rst | 10 ++++---- extras/coverage-report.sh | 2 +- scrapy/downloadermiddlewares/ajaxcrawl.py | 4 +-- scrapy/http/request/__init__.py | 2 +- scrapy/utils/request.py | 8 +++--- scrapy/utils/url.py | 3 +-- tests/test_http_request.py | 2 +- tests/test_pipeline_crawl.py | 4 +-- tests/test_pipeline_images.py | 4 +-- tests/test_pipeline_media.py | 2 +- 31 files changed, 79 insertions(+), 101 deletions(-) diff --git a/README.rst b/README.rst index e640bce35..3f468953e 100644 --- a/README.rst +++ b/README.rst @@ -6,11 +6,11 @@ Scrapy ====== .. image:: https://img.shields.io/pypi/v/Scrapy.svg - :target: https://pypi.python.org/pypi/Scrapy + :target: https://pypi.org/pypi/Scrapy :alt: PyPI Version .. image:: https://img.shields.io/pypi/pyversions/Scrapy.svg - :target: https://pypi.python.org/pypi/Scrapy + :target: https://pypi.org/pypi/Scrapy :alt: Supported Python Versions .. image:: https://github.com/scrapy/scrapy/workflows/Ubuntu/badge.svg @@ -27,7 +27,7 @@ Scrapy :alt: Windows .. image:: https://img.shields.io/badge/wheel-yes-brightgreen.svg - :target: https://pypi.python.org/pypi/Scrapy + :target: https://pypi.org/pypi/Scrapy :alt: Wheel Status .. image:: https://img.shields.io/codecov/c/github/scrapy/scrapy/master.svg @@ -111,4 +111,4 @@ See https://scrapy.org/companies/ for a list. Commercial Support ================== -See https://scrapy.org/support/ for details. \ No newline at end of file +See https://scrapy.org/support/ for details. diff --git a/docs/conf.py b/docs/conf.py index 3de50e54e..7a5166053 100644 --- a/docs/conf.py +++ b/docs/conf.py @@ -231,6 +231,7 @@ linkcheck_ignore = [ r"http://localhost:\d+", "http://hg.scrapy.org", "http://directory.google.com/", + r"https://github.com/scrapy/scrapy/issues/\d+", ] diff --git a/docs/contributing.rst b/docs/contributing.rst index d728338da..e8ffe83b4 100644 --- a/docs/contributing.rst +++ b/docs/contributing.rst @@ -154,7 +154,7 @@ by running ``git fetch upstream pull/$PR_NUMBER/head:$BRANCH_NAME_TO_CREATE`` (replace 'upstream' with a remote name for scrapy repository, ``$PR_NUMBER`` with an ID of the pull request, and ``$BRANCH_NAME_TO_CREATE`` with a name of the branch you want to create locally). -See also: https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/checking-out-pull-requests-locally#modifying-an-inactive-pull-request-locally. +See also: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally#modifying-an-inactive-pull-request-locally. When writing GitHub pull requests, try to keep titles short but descriptive. E.g. For bug #411: "Scrapy hangs if an exception raises in start_requests" @@ -182,8 +182,8 @@ Scrapy: * Don't put your name in the code you contribute; git provides enough metadata to identify author of the code. - See https://help.github.com/en/github/using-git/setting-your-username-in-git for - setup instructions. + See https://docs.github.com/en/get-started/getting-started-with-git/setting-your-username-in-git + for setup instructions. .. _scrapy-pre-commit: @@ -317,8 +317,8 @@ And their unit-tests are in:: .. _AUTHORS: https://github.com/scrapy/scrapy/blob/master/AUTHORS .. _tests/: https://github.com/scrapy/scrapy/tree/master/tests .. _open issues: https://github.com/scrapy/scrapy/issues -.. _PEP 257: https://www.python.org/dev/peps/pep-0257/ -.. _pull request: https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/creating-a-pull-request +.. _PEP 257: https://peps.python.org/pep-0257/ +.. _pull request: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/creating-a-pull-request .. _pytest-xdist: https://github.com/pytest-dev/pytest-xdist .. _good first issues: https://github.com/scrapy/scrapy/issues?q=is%3Aissue+is%3Aopen+label%3A%22good+first+issue%22 .. _help wanted issues: https://github.com/scrapy/scrapy/issues?q=is%3Aissue+is%3Aopen+label%3A%22help+wanted%22 diff --git a/docs/faq.rst b/docs/faq.rst index 0b650f522..f81ec3601 100644 --- a/docs/faq.rst +++ b/docs/faq.rst @@ -23,7 +23,7 @@ comparing `jinja2`_ to `Django`_. .. _BeautifulSoup: https://www.crummy.com/software/BeautifulSoup/ .. _lxml: https://lxml.de/ -.. _jinja2: https://palletsprojects.com/p/jinja/ +.. _jinja2: https://palletsprojects.com/projects/jinja/ .. _Django: https://www.djangoproject.com/ Can I use Scrapy with BeautifulSoup? @@ -148,7 +148,7 @@ middleware with a :ref:`custom downloader middleware instead joining the strings in :attr:`~scrapy.Spider.allowed_domains` into a complex regular expression. -- If you can `meet the installation requirements`_, use pyre2_ instead of +- If you can meet the installation requirements, use pyre2_ instead of Python’s re_ to compile your URL-filtering regular expression. See :issue:`1908`. @@ -166,9 +166,8 @@ See also `other suggestions at StackOverflow "myproject.middlewares.CustomOffsiteMiddleware": 50, } -.. _meet the installation requirements: https://github.com/andreasvc/pyre2#installation .. _pyre2: https://github.com/andreasvc/pyre2 -.. _re: https://docs.python.org/library/re.html +.. _re: https://docs.python.org/3/library/re.html Can I use Basic HTTP Authentication in my spiders? -------------------------------------------------- @@ -282,7 +281,7 @@ The ``__VIEWSTATE`` parameter is used in sites built with ASP.NET/VB.NET. For more info on how it works see `this page`_. Also, here's an `example spider`_ which scrapes one of these sites. -.. _this page: https://metacpan.org/pod/release/ECARROLL/HTML-TreeBuilderX-ASP_NET-0.09/lib/HTML/TreeBuilderX/ASP_NET.pm +.. _this page: https://metacpan.org/release/ECARROLL/HTML-TreeBuilderX-ASP_NET-0.09/view/lib/HTML/TreeBuilderX/ASP_NET.pm .. _example spider: https://github.com/AmbientLighter/rpn-fas/blob/master/fas/spiders/rnp.py What's the best way to parse big XML/CSV data feeds? @@ -432,7 +431,7 @@ See :issue:`2680`. .. _has been reported: https://github.com/scrapy/scrapy/issues/2905 -.. _Python standard library modules: https://docs.python.org/py-modindex.html +.. _Python standard library modules: https://docs.python.org/3/py-modindex.html .. _Python package: https://pypi.org/ .. _user agents: https://en.wikipedia.org/wiki/User_agent .. _LIFO: https://en.wikipedia.org/wiki/Stack_(abstract_data_type) diff --git a/docs/index.rst b/docs/index.rst index 8798aebd1..1a9cf636c 100644 --- a/docs/index.rst +++ b/docs/index.rst @@ -33,7 +33,7 @@ Having trouble? We'd like to help! .. _StackOverflow using the scrapy tag: https://stackoverflow.com/tags/scrapy .. _#scrapy IRC channel: irc://irc.freenode.net/scrapy .. _issue tracker: https://github.com/scrapy/scrapy/issues -.. _Scrapy Discord: https://discord.gg/mv3yErfpvq +.. _Scrapy Discord: https://discord.com/invite/mv3yErfpvq First steps diff --git a/docs/intro/install.rst b/docs/intro/install.rst index ef541368a..82a0e18c5 100644 --- a/docs/intro/install.rst +++ b/docs/intro/install.rst @@ -267,10 +267,10 @@ For details, see `Issue #2473 <https://github.com/scrapy/scrapy/issues/2473>`_. .. _lxml: https://lxml.de/index.html .. _parsel: https://pypi.org/project/parsel/ .. _w3lib: https://pypi.org/project/w3lib/ -.. _twisted: https://twistedmatrix.com/trac/ +.. _twisted: https://twisted.org/ .. _cryptography: https://cryptography.io/en/latest/ .. _pyOpenSSL: https://pypi.org/project/pyOpenSSL/ -.. _setuptools: https://pypi.python.org/pypi/setuptools +.. _setuptools: https://pypi.org/pypi/setuptools .. _homebrew: https://brew.sh/ .. _zsh: https://www.zsh.org/ .. _Anaconda: https://docs.anaconda.com/anaconda/ diff --git a/docs/intro/overview.rst b/docs/intro/overview.rst index cd17b1968..d05e46551 100644 --- a/docs/intro/overview.rst +++ b/docs/intro/overview.rst @@ -152,6 +152,6 @@ interest! .. _join the community: https://scrapy.org/community/ .. _web scraping: https://en.wikipedia.org/wiki/Web_scraping -.. _Amazon Associates Web Services: https://affiliate-program.amazon.com/gp/advertising/api/detail/main.html +.. _Amazon Associates Web Services: https://affiliate-program.amazon.com/welcome/ecs .. _Amazon S3: https://aws.amazon.com/s3/ .. _Sitemaps: https://www.sitemaps.org/index.html diff --git a/docs/intro/tutorial.rst b/docs/intro/tutorial.rst index dd1efd3b3..6e6caebf1 100644 --- a/docs/intro/tutorial.rst +++ b/docs/intro/tutorial.rst @@ -369,7 +369,7 @@ recommend `this tutorial to learn XPath through examples <http://zvon.org/comp/r/tut-XPath_1.html>`_, and `this tutorial to learn "how to think in XPath" <http://plasmasturm.org/log/xpath101/>`_. -.. _XPath: https://www.w3.org/TR/xpath/all/ +.. _XPath: https://www.w3.org/TR/xpath-10/ .. _CSS: https://www.w3.org/TR/selectors Extracting quotes and authors @@ -541,7 +541,7 @@ for Item Pipelines has been set up for you when the project is created, in ``tutorial/pipelines.py``. Though you don't need to implement any item pipelines if you just want to store the scraped items. -.. _JSON Lines: http://jsonlines.org +.. _JSON Lines: https://jsonlines.org .. _JQ: https://stedolan.github.io/jq diff --git a/docs/news.rst b/docs/news.rst index 2bbca77cc..3c9e58cca 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -1069,7 +1069,7 @@ Documentation (:issue:`3582`, :issue:`5432`). .. _Common Crawl: https://commoncrawl.org/ - .. _Google cache: http://www.googleguide.com/cached_pages.html + .. _Google cache: https://www.googleguide.com/cached_pages.html - The new :ref:`topics-components` topic covers enforcing requirements on Scrapy components, like :ref:`downloader middlewares @@ -1426,7 +1426,7 @@ New features (:setting:`AWS_SESSION_TOKEN`) and endpoint customization (:setting:`AWS_ENDPOINT_URL`). (:issue:`4998`, :issue:`5210`) - .. _temporary security credentials: https://docs.aws.amazon.com/general/latest/gr/aws-sec-cred-types.html#temporary-access-keys + .. _temporary security credentials: https://docs.aws.amazon.com/IAM/latest/UserGuide/security-creds.html - New :setting:`LOG_FILE_APPEND` setting to allow truncating the log file. (:issue:`5279`) @@ -1572,7 +1572,7 @@ Documentation - ``quotes.toscrape.com`` references now use HTTPS instead of HTTP. (:issue:`5395`, :issue:`5396`) -- Added a link to `our Discord server <https://discord.gg/mv3yErfpvq>`_ +- Added a link to `our Discord server <https://discord.com/invite/mv3yErfpvq>`_ to :ref:`getting-help`. (:issue:`5421`, :issue:`5422`) - The pronunciation of the project name is now :ref:`officially @@ -1763,7 +1763,7 @@ Bug fixes with lower indentation than the following code. (:issue:`4477`, :issue:`4935`) -- The `Content-Length <https://tools.ietf.org/html/rfc2616#section-14.13>`_ +- The `Content-Length <https://datatracker.ietf.org/doc/html/rfc2616#section-14.13>`_ header is no longer omitted from responses when using the default, HTTP/1.1 download handler (see :setting:`DOWNLOAD_HANDLERS`). (:issue:`5009`, :issue:`5034`, :issue:`5045`, :issue:`5057`, :issue:`5062`) @@ -2263,7 +2263,7 @@ Documentation * Simplified the code example in :ref:`topics-loaders-dataclass` (:issue:`4652`) -.. _OpenSSL cipher list format: https://www.openssl.org/docs/manmaster/man1/openssl-ciphers.html#CIPHER-LIST-FORMAT +.. _OpenSSL cipher list format: https://docs.openssl.org/master/man1/openssl-ciphers/#cipher-list-format Quality assurance @@ -2490,7 +2490,7 @@ Quality assurance * Added a `Pylint <https://www.pylint.org/>`_ job to Travis CI (:issue:`3727`) -* Added a `Mypy <http://mypy-lang.org/>`_ job to Travis CI (:issue:`4637`) +* Added a `Mypy <https://mypy-lang.org/>`_ job to Travis CI (:issue:`4637`) * Made use of set literals in tests (:issue:`4573`) @@ -2997,7 +2997,7 @@ Quality assurance * Cleaned up code (:issue:`3937`, :issue:`4208`, :issue:`4209`, :issue:`4210`, :issue:`4212`, :issue:`4369`, :issue:`4376`, :issue:`4378`) -.. _Bandit: https://bandit.readthedocs.io/ +.. _Bandit: https://bandit.readthedocs.io/en/latest/ .. _Flake8: https://flake8.pycqa.org/en/latest/ @@ -4172,7 +4172,7 @@ Docs - Update Contributing docs, document new support channels (:issue:`2762`, issue:`3038`) - Include references to Scrapy subreddit in the docs -- Fix broken links; use https:// for external links +- Fix broken links; use ``https://`` for external links (:issue:`2978`, :issue:`2982`, :issue:`2958`) - Document CloseSpider extension better (:issue:`2759`) - Use ``pymongo.collection.Collection.insert_one()`` in MongoDB example @@ -4773,7 +4773,7 @@ This 1.1 release brings a lot of interesting features and bug fixes: - Don't retry bad requests (HTTP 400) by default (:issue:`1289`). If you need the old behavior, add ``400`` to :setting:`RETRY_HTTP_CODES`. - Fix shell files argument handling (:issue:`1710`, :issue:`1550`). - If you try ``scrapy shell index.html`` it will try to load the URL http://index.html, + If you try ``scrapy shell index.html`` it will try to load the URL ``http://index.html``, use ``scrapy shell ./index.html`` to load a local file. - Robots.txt compliance is now enabled by default for newly-created projects (:issue:`1724`). Scrapy will also wait for robots.txt to be downloaded @@ -5449,7 +5449,7 @@ Scrapy 0.24.5 (2015-02-25) Scrapy 0.24.4 (2014-08-09) -------------------------- -- pem file is used by mockserver and required by scrapy bench (:commit:`5eddc68`) +- pem file is used by mockserver and required by scrapy bench (:commit:`5eddc68b63`) - scrapy bench needs scrapy.tests* (:commit:`d6cb999`) Scrapy 0.24.3 (2014-08-09) @@ -5970,7 +5970,7 @@ Scrapy changes: - nested items now fully supported in JSON and JSONLines exporters - added :reqmeta:`cookiejar` Request meta key to support multiple cookie sessions per spider - decoupled encoding detection code to `w3lib.encoding`_, and ported Scrapy code to use that module -- dropped support for Python 2.5. See https://blog.scrapinghub.com/2012/02/27/scrapy-0-15-dropping-support-for-python-2-5/ +- dropped support for Python 2.5. See https://www.zyte.com/blog/scrapy-0-15-dropping-support-for-python-2-5/ - dropped support for Twisted 2.5 - added :setting:`REFERER_ENABLED` setting, to control referer middleware - changed default user agent to: ``Scrapy/VERSION (+http://scrapy.org)`` @@ -6048,7 +6048,7 @@ Scrapy 0.14 New features and settings ~~~~~~~~~~~~~~~~~~~~~~~~~ -- Support for `AJAX crawlable urls`_ +- Support for AJAX crawlable urls - New persistent scheduler that stores requests on disk, allowing to suspend and resume crawls (:rev:`2737`) - added ``-o`` option to ``scrapy crawl``, a shortcut for dumping scraped items into a file (or standard output using ``-``) - Added support for passing custom settings to Scrapyd ``schedule.json`` api (:rev:`2779`, :rev:`2783`) @@ -6319,11 +6319,10 @@ Scrapy 0.7 First release of Scrapy. -.. _AJAX crawlable urls: https://developers.google.com/search/docs/ajax-crawling/docs/getting-started?csw=1 .. _boto3: https://github.com/boto/boto3 .. _botocore: https://github.com/boto/botocore .. _chunked transfer encoding: https://en.wikipedia.org/wiki/Chunked_transfer_encoding -.. _ClientForm: http://wwwsearch.sourceforge.net/old/ClientForm/ +.. _ClientForm: https://pypi.org/project/ClientForm/ .. _Creating a pull request: https://help.github.com/en/articles/creating-a-pull-request .. _cryptography: https://cryptography.io/en/latest/ .. _docstrings: https://docs.python.org/3/glossary.html#term-docstring @@ -6335,7 +6334,7 @@ First release of Scrapy. .. _parsel.csstranslator.GenericTranslator: https://parsel.readthedocs.io/en/latest/parsel.html#parsel.csstranslator.GenericTranslator .. _parsel.csstranslator.HTMLTranslator: https://parsel.readthedocs.io/en/latest/parsel.html#parsel.csstranslator.HTMLTranslator .. _parsel.csstranslator.XPathExpr: https://parsel.readthedocs.io/en/latest/parsel.html#parsel.csstranslator.XPathExpr -.. _PEP 257: https://www.python.org/dev/peps/pep-0257/ +.. _PEP 257: https://peps.python.org/pep-0257/ .. _Pillow: https://python-pillow.org/ .. _pyOpenSSL: https://www.pyopenssl.org/en/stable/ .. _queuelib: https://github.com/scrapy/queuelib @@ -6347,7 +6346,7 @@ First release of Scrapy. .. _service_identity: https://service-identity.readthedocs.io/en/stable/ .. _six: https://six.readthedocs.io/ .. _tox: https://pypi.org/project/tox/ -.. _Twisted: https://twistedmatrix.com/trac/ +.. _Twisted: https://twisted.org/ .. _w3lib: https://github.com/scrapy/w3lib .. _w3lib.encoding: https://github.com/scrapy/w3lib/blob/master/w3lib/encoding.py .. _What is cacheable: https://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9.1 diff --git a/docs/topics/architecture.rst b/docs/topics/architecture.rst index 0c3a7ed88..0370dc538 100644 --- a/docs/topics/architecture.rst +++ b/docs/topics/architecture.rst @@ -168,9 +168,7 @@ For more information about asynchronous programming and Twisted see these links: * :doc:`twisted:core/howto/defer-intro` -* `Twisted - hello, asynchronous programming`_ * `Twisted Introduction - Krondo`_ -.. _Twisted: https://twistedmatrix.com/trac/ -.. _Twisted - hello, asynchronous programming: http://jessenoller.com/blog/2009/02/11/twisted-hello-asynchronous-programming/ -.. _Twisted Introduction - Krondo: http://krondo.com/an-introduction-to-asynchronous-programming-and-twisted/ +.. _Twisted: https://twisted.org/ +.. _Twisted Introduction - Krondo: https://krondo.com/an-introduction-to-asynchronous-programming-and-twisted/ diff --git a/docs/topics/broad-crawls.rst b/docs/topics/broad-crawls.rst index 750aae554..0286c3354 100644 --- a/docs/topics/broad-crawls.rst +++ b/docs/topics/broad-crawls.rst @@ -186,7 +186,7 @@ Enable crawling of "Ajax Crawlable Pages" ========================================= Some pages (up to 1%, based on empirical data from year 2013) declare -themselves as `ajax crawlable`_. This means they provide plain HTML +themselves as ajax crawlable. This means they provide plain HTML version of content that is usually available only via AJAX. Pages can indicate it in two ways: @@ -206,8 +206,6 @@ AjaxCrawlMiddleware helps to crawl them correctly. It is turned OFF by default because it has some performance overhead, and enabling it for focused crawls doesn't make much sense. -.. _ajax crawlable: https://developers.google.com/search/docs/ajax-crawling/docs/getting-started - .. _broad-crawls-bfo: Crawl in BFO order diff --git a/docs/topics/deploy.rst b/docs/topics/deploy.rst index 961d6dc01..f3515b4be 100644 --- a/docs/topics/deploy.rst +++ b/docs/topics/deploy.rst @@ -54,6 +54,6 @@ just like ``scrapyd-deploy``. .. _scrapyd-client: https://github.com/scrapy/scrapyd-client .. _scrapyd-deploy documentation: https://scrapyd.readthedocs.io/en/latest/deploy.html .. _shub: https://shub.readthedocs.io/en/latest/ -.. _Zyte: https://zyte.com/ +.. _Zyte: https://www.zyte.com/ .. _Zyte Scrapy Cloud: https://www.zyte.com/scrapy-cloud/ .. _Zyte Scrapy Cloud documentation: https://docs.zyte.com/scrapy-cloud.html diff --git a/docs/topics/developer-tools.rst b/docs/topics/developer-tools.rst index a15ee1059..89a4d32d8 100644 --- a/docs/topics/developer-tools.rst +++ b/docs/topics/developer-tools.rst @@ -278,7 +278,7 @@ into our ``url``. In more complex websites, it could be difficult to easily reproduce the requests, as we could need to add ``headers`` or ``cookies`` to make it work. -In those cases you can export the requests in `cURL <https://curl.haxx.se/>`_ +In those cases you can export the requests in `cURL <https://curl.se/>`_ format, by right-clicking on each of them in the network tool and using the :meth:`~scrapy.Request.from_curl()` method to generate an equivalent request: diff --git a/docs/topics/downloader-middleware.rst b/docs/topics/downloader-middleware.rst index 13064ccdd..b184a629e 100644 --- a/docs/topics/downloader-middleware.rst +++ b/docs/topics/downloader-middleware.rst @@ -1105,7 +1105,7 @@ Parsers vary in several aspects: * Support for wildcard matching -* Usage of `length based rule <https://developers.google.com/search/reference/robots_txt#order-of-precedence-for-group-member-lines>`_: +* Usage of `length based rule <https://developers.google.com/search/docs/crawling-indexing/robots/robots_txt#order-of-precedence-for-rules>`_: in particular for ``Allow`` and ``Disallow`` directives, where the most specific rule based on the length of the path trumps the less specific (shorter) rule @@ -1123,7 +1123,7 @@ Based on `Protego <https://github.com/scrapy/protego>`_: * implemented in Python * is compliant with `Google's Robots.txt Specification - <https://developers.google.com/search/reference/robots_txt>`_ + <https://developers.google.com/search/docs/crawling-indexing/robots/robots_txt>`_ * supports wildcard matching @@ -1158,7 +1158,7 @@ In order to use this parser, set: Robotexclusionrulesparser ~~~~~~~~~~~~~~~~~~~~~~~~~ -Based on `Robotexclusionrulesparser <http://nikitathespider.com/python/rerp/>`_: +Based on `Robotexclusionrulesparser <https://pypi.org/project/robotexclusionrulesparser/>`_: * implemented in Python @@ -1171,7 +1171,7 @@ Based on `Robotexclusionrulesparser <http://nikitathespider.com/python/rerp/>`_: In order to use this parser: -* Install `Robotexclusionrulesparser <http://nikitathespider.com/python/rerp/>`_ by running +* Install ``Robotexclusionrulesparser`` by running ``pip install robotexclusionrulesparser`` * Set :setting:`ROBOTSTXT_PARSER` setting to @@ -1231,9 +1231,7 @@ AjaxCrawlMiddleware .. class:: AjaxCrawlMiddleware Middleware that finds 'AJAX crawlable' page variants based - on meta-fragment html tag. See - https://developers.google.com/search/docs/ajax-crawling/docs/getting-started - for more info. + on meta-fragment html tag. .. note:: diff --git a/docs/topics/dynamic-content.rst b/docs/topics/dynamic-content.rst index a99f1e222..75d980835 100644 --- a/docs/topics/dynamic-content.rst +++ b/docs/topics/dynamic-content.rst @@ -85,9 +85,8 @@ It might be enough to yield a :class:`~scrapy.Request` with the same HTTP method and URL. However, you may also need to reproduce the body, headers and form parameters (see :class:`~scrapy.FormRequest`) of that request. -As all major browsers allow to export the requests in `cURL -<https://curl.haxx.se/>`_ format, Scrapy incorporates the method -:meth:`~scrapy.Request.from_curl()` to generate an equivalent +As all major browsers allow to export the requests in curl_ format, Scrapy +incorporates the method :meth:`~scrapy.Request.from_curl()` to generate an equivalent :class:`~scrapy.Request` from a cURL command. To get more information visit :ref:`request from curl <requests-from-curl>` inside the network tool section. @@ -289,7 +288,7 @@ We recommend using `scrapy-playwright`_ for a better integration. .. _JavaScript: https://en.wikipedia.org/wiki/JavaScript .. _Splash: https://github.com/scrapinghub/splash .. _chompjs: https://github.com/Nykakin/chompjs -.. _curl: https://curl.haxx.se/ +.. _curl: https://curl.se/ .. _headless browser: https://en.wikipedia.org/wiki/Headless_browser .. _js2xml: https://github.com/scrapinghub/js2xml .. _playwright-python: https://github.com/microsoft/playwright-python diff --git a/docs/topics/extensions.rst b/docs/topics/extensions.rst index 9cbc9663d..c47a3226a 100644 --- a/docs/topics/extensions.rst +++ b/docs/topics/extensions.rst @@ -546,8 +546,4 @@ Invokes a :doc:`Python debugger <library/pdb>` inside a running Scrapy process w signal is received. After the debugger is exited, the Scrapy process continues running normally. -For more info see `Debugging in Python`_. - This extension only works on POSIX-compliant platforms (i.e. not Windows). - -.. _Debugging in Python: https://pythonconquerstheuniverse.wordpress.com/2009/09/10/debugging-in-python/ diff --git a/docs/topics/feed-exports.rst b/docs/topics/feed-exports.rst index 922b765db..07a3f3678 100644 --- a/docs/topics/feed-exports.rst +++ b/docs/topics/feed-exports.rst @@ -213,7 +213,7 @@ passed through the following settings: - :setting:`AWS_SECRET_ACCESS_KEY` - :setting:`AWS_SESSION_TOKEN` (only needed for `temporary security credentials`_) -.. _temporary security credentials: https://docs.aws.amazon.com/general/latest/gr/aws-sec-cred-types.html#temporary-access-keys +.. _temporary security credentials: https://docs.aws.amazon.com/IAM/latest/UserGuide/security-creds.html You can also define a custom ACL, custom endpoint, and region name for exported feeds using these settings: @@ -248,7 +248,7 @@ The feeds are stored on `Google Cloud Storage`_. - Required external libraries: `google-cloud-storage`_. -For more information about authentication, please refer to `Google Cloud documentation <https://cloud.google.com/docs/authentication/production>`_. +For more information about authentication, please refer to `Google Cloud documentation <https://cloud.google.com/docs/authentication>`_. You can set a *Project ID* and *Access Control List (ACL)* through the following settings: @@ -516,8 +516,7 @@ as a fallback value if that key is not provided for a specific feed definition: .. note:: Some FTP servers may not support appending to files (the ``APPE`` FTP command). - - :ref:`topics-feed-storage-s3`: ``True`` (appending `is not supported - <https://forums.aws.amazon.com/message.jspa?messageID=540395>`_) + - :ref:`topics-feed-storage-s3`: ``True`` (appending is not supported) - :ref:`topics-feed-storage-gcs`: ``True`` (appending is not supported) @@ -816,5 +815,5 @@ source spider in the feed URI: .. _URIs: https://en.wikipedia.org/wiki/Uniform_Resource_Identifier .. _Amazon S3: https://aws.amazon.com/s3/ .. _boto3: https://github.com/boto/boto3 -.. _Canned ACL: https://docs.aws.amazon.com/AmazonS3/latest/dev/acl-overview.html#canned-acl +.. _Canned ACL: https://docs.aws.amazon.com/AmazonS3/latest/userguide/acl-overview.html#canned-acl .. _Google Cloud Storage: https://cloud.google.com/storage/ diff --git a/docs/topics/item-pipeline.rst b/docs/topics/item-pipeline.rst index 58c922e0d..310f153e8 100644 --- a/docs/topics/item-pipeline.rst +++ b/docs/topics/item-pipeline.rst @@ -175,7 +175,7 @@ method and how to clean up the resources properly. return item .. _MongoDB: https://www.mongodb.com/ -.. _pymongo: https://api.mongodb.com/python/current/ +.. _pymongo: https://pymongo.readthedocs.io/en/stable/ .. _ScreenshotPipeline: diff --git a/docs/topics/items.rst b/docs/topics/items.rst index f13a7b5b1..39a95815c 100644 --- a/docs/topics/items.rst +++ b/docs/topics/items.rst @@ -221,7 +221,7 @@ the :attr:`Item.fields` attribute. `attr.ib`_ for additional information. .. _dataclasses.field: https://docs.python.org/3/library/dataclasses.html#dataclasses.field - .. _attr.ib: https://www.attrs.org/en/stable/api.html#attr.ib + .. _attr.ib: https://www.attrs.org/en/stable/api-attr.html#attr.ib Working with Item objects diff --git a/docs/topics/media-pipeline.rst b/docs/topics/media-pipeline.rst index c96dd0f99..f086a943e 100644 --- a/docs/topics/media-pipeline.rst +++ b/docs/topics/media-pipeline.rst @@ -261,7 +261,7 @@ policy: For more information, see `canned ACLs`_ in the Amazon S3 Developer Guide. You can also use other S3-like storages. Storages like self-hosted `Minio`_ or -`s3.scality`_. All you need to do is set endpoint option in you Scrapy +`Zenko CloudServer`_. All you need to do is set endpoint option in you Scrapy settings: .. code-block:: python @@ -276,9 +276,9 @@ For self-hosting you also might feel the need not to use SSL and not to verify S AWS_VERIFY = False # or True (None by default) .. _botocore: https://github.com/boto/botocore -.. _canned ACLs: https://docs.aws.amazon.com/AmazonS3/latest/dev/acl-overview.html#canned-acl +.. _canned ACLs: https://docs.aws.amazon.com/AmazonS3/latest/userguide/acl-overview.html#canned-acl .. _Minio: https://github.com/minio/minio -.. _s3.scality: https://s3.scality.com/ +.. _Zenko CloudServer: https://www.zenko.io/cloudserver/ .. _media-pipeline-gcs: @@ -303,7 +303,7 @@ For example, these are valid :setting:`IMAGES_STORE` and :setting:`GCS_PROJECT_I For information about authentication, see this `documentation`_. -.. _documentation: https://cloud.google.com/docs/authentication/production +.. _documentation: https://cloud.google.com/docs/authentication You can modify the Access Control List (ACL) policy used for the stored files, which is defined by the :setting:`FILES_STORE_GCS_ACL` and diff --git a/docs/topics/selectors.rst b/docs/topics/selectors.rst index 0aae41cc8..202b0823a 100644 --- a/docs/topics/selectors.rst +++ b/docs/topics/selectors.rst @@ -591,7 +591,7 @@ Another common case would be to extract all direct ``<p>`` children: For more details about relative XPaths see the `Location Paths`_ section in the XPath specification. -.. _Location Paths: https://www.w3.org/TR/xpath/all/#location-paths +.. _Location Paths: https://www.w3.org/TR/xpath-10/#location-paths When querying by class, consider using CSS ------------------------------------------ @@ -727,7 +727,7 @@ But using the ``.`` to mean the node, works: >>> sel.xpath("//a[contains(., 'Next Page')]").getall() ['<a href="#">Click here to go to the <strong>Next Page</strong></a>'] -.. _`XPath string function`: https://www.w3.org/TR/xpath/all/#section-String-Functions +.. _`XPath string function`: https://www.w3.org/TR/xpath-10/#section-String-Functions .. _topics-selectors-xpath-variables: @@ -801,8 +801,8 @@ This is how the file starts:: ... You can see several namespace declarations including a default -"http://www.w3.org/2005/Atom" and another one using the "gd:" prefix for -"http://schemas.google.com/g/2005". +``"http://www.w3.org/2005/Atom"`` and another one using the ``gd:`` prefix for +``"http://schemas.google.com/g/2005"``. .. highlight:: python diff --git a/docs/topics/settings.rst b/docs/topics/settings.rst index 02fca7ff4..116e8226e 100644 --- a/docs/topics/settings.rst +++ b/docs/topics/settings.rst @@ -288,7 +288,7 @@ The AWS security token used by code that requires access to `Amazon Web services such as the :ref:`S3 feed storage backend <topics-feed-storage-s3>`, when using `temporary security credentials`_. -.. _temporary security credentials: https://docs.aws.amazon.com/general/latest/gr/aws-sec-cred-types.html#temporary-access-keys +.. _temporary security credentials: https://docs.aws.amazon.com/IAM/latest/UserGuide/security-creds.html .. setting:: AWS_ENDPOINT_URL @@ -617,7 +617,7 @@ necessary to access certain HTTPS websites: for example, you may need to use ``'DEFAULT:!DH'`` for a website with weak DH parameters or enable a specific cipher that is not included in ``DEFAULT`` if a website requires it. -.. _OpenSSL cipher list format: https://www.openssl.org/docs/manmaster/man1/openssl-ciphers.html#CIPHER-LIST-FORMAT +.. _OpenSSL cipher list format: https://docs.openssl.org/master/man1/openssl-ciphers/#cipher-list-format .. setting:: DOWNLOADER_CLIENT_TLS_METHOD @@ -829,9 +829,9 @@ The default HTTPS handler uses HTTP/1.1. To use HTTP/2: - No support for the :signal:`bytes_received` and :signal:`headers_received` signals. -.. _frame size: https://tools.ietf.org/html/rfc7540#section-4.2 +.. _frame size: https://datatracker.ietf.org/doc/html/rfc7540#section-4.2 .. _http2 faq: https://http2.github.io/faq/#does-http2-require-encryption -.. _server pushes: https://tools.ietf.org/html/rfc7540#section-8.2 +.. _server pushes: https://datatracker.ietf.org/doc/html/rfc7540#section-8.2 .. setting:: DOWNLOAD_SLOTS @@ -1074,7 +1074,7 @@ in ``Request`` meta. some FTP servers explicitly ask for the user's e-mail address and will not allow login with the "guest" password. -.. _RFC 1635: https://tools.ietf.org/html/rfc1635 +.. _RFC 1635: https://datatracker.ietf.org/doc/html/rfc1635 .. reqmeta:: ftp_user .. setting:: FTP_USER diff --git a/extras/coverage-report.sh b/extras/coverage-report.sh index 842d0e46e..7eaa214cf 100755 --- a/extras/coverage-report.sh +++ b/extras/coverage-report.sh @@ -1,6 +1,6 @@ # Run tests, generate coverage report and open it on a browser # -# Requires: coverage 3.3 or above from https://pypi.python.org/pypi/coverage +# Requires: coverage 3.3 or above from https://pypi.org/pypi/coverage coverage run --branch $(which trial) --reporter=text tests coverage html -i diff --git a/scrapy/downloadermiddlewares/ajaxcrawl.py b/scrapy/downloadermiddlewares/ajaxcrawl.py index b813baf86..166192b4f 100644 --- a/scrapy/downloadermiddlewares/ajaxcrawl.py +++ b/scrapy/downloadermiddlewares/ajaxcrawl.py @@ -24,7 +24,6 @@ logger = logging.getLogger(__name__) class AjaxCrawlMiddleware: """ Handle 'AJAX crawlable' pages marked as crawlable via meta tag. - For more info see https://developers.google.com/webmasters/ajax-crawling/docs/getting-started. """ def __init__(self, settings: BaseSettings): @@ -70,8 +69,7 @@ class AjaxCrawlMiddleware: def _has_ajax_crawlable_variant(self, response: Response) -> bool: """ - Return True if a page without hash fragment could be "AJAX crawlable" - according to https://developers.google.com/webmasters/ajax-crawling/docs/getting-started. + Return True if a page without hash fragment could be "AJAX crawlable". """ body = response.text[: self.lookup_bytes] return _has_ajaxcrawlable_meta(body) diff --git a/scrapy/http/request/__init__.py b/scrapy/http/request/__init__.py index ed225555c..9c29ea4d1 100644 --- a/scrapy/http/request/__init__.py +++ b/scrapy/http/request/__init__.py @@ -222,7 +222,7 @@ class Request(object_ref): **kwargs: Any, ) -> Self: """Create a Request object from a string containing a `cURL - <https://curl.haxx.se/>`_ command. It populates the HTTP method, the + <https://curl.se/>`_ command. It populates the HTTP method, the URL, the headers, the cookies and the body. It accepts the same arguments as the :class:`Request` class, taking preference and overriding the values of the same arguments contained in the cURL diff --git a/scrapy/utils/request.py b/scrapy/utils/request.py index e80cbbb89..7848b9318 100644 --- a/scrapy/utils/request.py +++ b/scrapy/utils/request.py @@ -46,17 +46,15 @@ def fingerprint( The request fingerprint is a hash that uniquely identifies the resource the request points to. For example, take the following two urls: - - http://www.example.com/query?id=111&cat=222 - http://www.example.com/query?cat=222&id=111 + ``http://www.example.com/query?id=111&cat=222``, + ``http://www.example.com/query?cat=222&id=111``. Even though those are two different URLs both point to the same resource and are equivalent (i.e. they should return the same response). Another example are cookies used to store session ids. Suppose the following page is only accessible to authenticated users: - - http://www.example.com/members/offers.html + ``http://www.example.com/members/offers.html``. Lots of sites use a cookie to store the session id, which adds a random component to the HTTP Request and thus should be ignored when calculating diff --git a/scrapy/utils/url.py b/scrapy/utils/url.py index e0a2973f7..9dc177cf1 100644 --- a/scrapy/utils/url.py +++ b/scrapy/utils/url.py @@ -61,8 +61,7 @@ def parse_url(url: UrlT, encoding: str | None = None) -> ParseResult: def escape_ajax(url: str) -> str: """ - Return the crawlable url according to: - https://developers.google.com/webmasters/ajax-crawling/docs/getting-started + Return the crawlable url >>> escape_ajax("www.example.com/ajax.html#!key=value") 'www.example.com/ajax.html?_escaped_fragment_=key%3Dvalue' diff --git a/tests/test_http_request.py b/tests/test_http_request.py index d0fb17f1f..9997b7ab3 100644 --- a/tests/test_http_request.py +++ b/tests/test_http_request.py @@ -143,7 +143,7 @@ class RequestTest(unittest.TestCase): # percent-escaping sequences that do not match valid UTF-8 sequences # should be kept untouched (just upper-cased perhaps) # - # See https://tools.ietf.org/html/rfc3987#section-3.2 + # See https://datatracker.ietf.org/doc/html/rfc3987#section-3.2 # # "Conversions from URIs to IRIs MUST NOT use any character encoding # other than UTF-8 in steps 3 and 4, even if it might be possible to diff --git a/tests/test_pipeline_crawl.py b/tests/test_pipeline_crawl.py index 696ef8cab..7add27aa7 100644 --- a/tests/test_pipeline_crawl.py +++ b/tests/test_pipeline_crawl.py @@ -220,9 +220,7 @@ skip_pillow: str | None try: from PIL import Image # noqa: imported just to check for the import error except ImportError: - skip_pillow = ( - "Missing Python Imaging Library, install https://pypi.python.org/pypi/Pillow" - ) + skip_pillow = "Missing Python Imaging Library, install https://pypi.org/pypi/Pillow" else: skip_pillow = None diff --git a/tests/test_pipeline_images.py b/tests/test_pipeline_images.py index 7561e1fd4..dfeead999 100644 --- a/tests/test_pipeline_images.py +++ b/tests/test_pipeline_images.py @@ -19,9 +19,7 @@ skip_pillow: str | None try: from PIL import Image except ImportError: - skip_pillow = ( - "Missing Python Imaging Library, install https://pypi.python.org/pypi/Pillow" - ) + skip_pillow = "Missing Python Imaging Library, install https://pypi.org/pypi/Pillow" else: encoders = {"jpeg_encoder", "jpeg_decoder"} if not encoders.issubset(set(Image.core.__dict__)): # type: ignore[attr-defined] diff --git a/tests/test_pipeline_media.py b/tests/test_pipeline_media.py index 0faf6d015..c979e45d7 100644 --- a/tests/test_pipeline_media.py +++ b/tests/test_pipeline_media.py @@ -21,7 +21,7 @@ try: from PIL import Image # noqa: imported just to check for the import error except ImportError: skip_pillow: str | None = ( - "Missing Python Imaging Library, install https://pypi.python.org/pypi/Pillow" + "Missing Python Imaging Library, install https://pypi.org/pypi/Pillow" ) else: skip_pillow = None From e7f5ae0b34ef87503884967f8b6c031d3f213c3e Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Mon, 4 Nov 2024 16:17:56 +0500 Subject: [PATCH 297/786] Update the outdated Item docstring. (#6427) * Update the outdated Item doscstring. * Fix the reference links in items.html. --- docs/topics/items.rst | 47 ++++++++++++++++--------------------------- scrapy/item.py | 21 ++++++++++--------- 2 files changed, 29 insertions(+), 39 deletions(-) diff --git a/docs/topics/items.rst b/docs/topics/items.rst index 39a95815c..7cc476863 100644 --- a/docs/topics/items.rst +++ b/docs/topics/items.rst @@ -42,39 +42,27 @@ Item objects :class:`Item` provides a :class:`dict`-like API plus additional features that make it the most feature-complete item type: -.. class:: scrapy.item.Item([arg]) -.. class:: scrapy.Item([arg]) +.. autoclass:: scrapy.Item + :members: copy, deepcopy, fields + :undoc-members: - :class:`Item` objects replicate the standard :class:`dict` API, including - its ``__init__`` method. +:class:`Item` objects replicate the standard :class:`dict` API, including +its ``__init__`` method. - :class:`Item` allows the defining of field names, so that: +:class:`Item` allows the defining of field names, so that: - - :class:`KeyError` is raised when using undefined field names (i.e. - prevents typos going unnoticed) +- :class:`KeyError` is raised when using undefined field names (i.e. + prevents typos going unnoticed) - - :ref:`Item exporters <topics-exporters>` can export all fields by - default even if the first scraped object does not have values for all - of them +- :ref:`Item exporters <topics-exporters>` can export all fields by + default even if the first scraped object does not have values for all + of them - :class:`Item` also allows the defining of field metadata, which can be used to - :ref:`customize serialization <topics-exporters-field-serialization>`. +:class:`Item` also allows the defining of field metadata, which can be used to +:ref:`customize serialization <topics-exporters-field-serialization>`. - :mod:`trackref` tracks :class:`Item` objects to help find memory leaks - (see :ref:`topics-leaks-trackrefs`). - - :class:`Item` objects also provide the following additional API members: - - .. automethod:: copy - - .. automethod:: deepcopy - - .. attribute:: fields - - A dictionary containing *all declared fields* for this Item, not only - those populated. The keys are the field names and the values are the - :class:`Field` objects used in the :ref:`Item declaration - <topics-items-declaring>`. +:mod:`trackref` tracks :class:`Item` objects to help find memory leaks +(see :ref:`topics-leaks-trackrefs`). Example: @@ -205,10 +193,9 @@ documentation to see which metadata keys are used by each component. It's important to note that the :class:`Field` objects used to declare the item do not stay assigned as class attributes. Instead, they can be accessed through -the :attr:`Item.fields` attribute. +the :attr:`~scrapy.Item.fields` attribute. -.. class:: scrapy.item.Field([arg]) -.. class:: scrapy.Field([arg]) +.. autoclass:: scrapy.Field The :class:`Field` class is just an alias to the built-in :class:`dict` class and doesn't provide any extra functionality or attributes. In other words, diff --git a/scrapy/item.py b/scrapy/item.py index f77002d18..1cc0ae584 100644 --- a/scrapy/item.py +++ b/scrapy/item.py @@ -55,16 +55,13 @@ class ItemMeta(ABCMeta): class Item(MutableMapping[str, Any], object_ref, metaclass=ItemMeta): - """ - Base class for scraped items. + """Base class for scraped items. - In Scrapy, an object is considered an ``item`` if it is an instance of either - :class:`Item` or :class:`dict`, or any subclass. For example, when the output of a - spider callback is evaluated, only instances of :class:`Item` or - :class:`dict` are passed to :ref:`item pipelines <topics-item-pipeline>`. - - If you need instances of a custom class to be considered items by Scrapy, - you must inherit from either :class:`Item` or :class:`dict`. + In Scrapy, an object is considered an ``item`` if it's supported by the + `itemadapter`_ library. For example, when the output of a spider callback + is evaluated, only such objects are passed to :ref:`item pipelines + <topics-item-pipeline>`. :class:`Item` is one of the classes supported by + `itemadapter`_ by default. Items must declare :class:`Field` attributes, which are processed and stored in the ``fields`` attribute. This restricts the set of allowed field names @@ -75,8 +72,14 @@ class Item(MutableMapping[str, Any], object_ref, metaclass=ItemMeta): Unlike instances of :class:`dict`, instances of :class:`Item` may be :ref:`tracked <topics-leaks-trackrefs>` to debug memory leaks. + + .. _itemadapter: https://github.com/scrapy/itemadapter """ + #: A dictionary containing *all declared fields* for this Item, not only + #: those populated. The keys are the field names and the values are the + #: :class:`Field` objects used in the :ref:`Item declaration + #: <topics-items-declaring>`. fields: dict[str, Field] def __init__(self, *args: Any, **kwargs: Any): From d2156696c45e023479ae1bdee8623bb6212e975c Mon Sep 17 00:00:00 2001 From: Rohit Kumar Singh <145501871+Rohitkr117@users.noreply.github.com> Date: Mon, 4 Nov 2024 21:39:45 +0530 Subject: [PATCH 298/786] Deprecate unused scrapy utils (#6519) * Added deprecation warnings for unused Scrapy.utils * Grammatical corrections * Exceptions class connected * Deprecation of ScrapyJSONDecoder * request_authenticate function deprecation * Making all warning similar * Added ignore statements for deprecation warning in tests * Missing stacklevel attr. added * Added Deprecation message --- scrapy/utils/misc.py | 2 +- scrapy/utils/python.py | 17 +++++++++++++++++ scrapy/utils/request.py | 7 ++++++- scrapy/utils/serialize.py | 10 +++++++++- scrapy/utils/test.py | 7 +++++++ tests/test_utils_python.py | 2 ++ tests/test_utils_request.py | 3 +++ 7 files changed, 45 insertions(+), 3 deletions(-) diff --git a/scrapy/utils/misc.py b/scrapy/utils/misc.py index 516218347..12c09839f 100644 --- a/scrapy/utils/misc.py +++ b/scrapy/utils/misc.py @@ -111,7 +111,7 @@ def md5sum(file: IO[bytes]) -> str: """ warnings.warn( ( - "The scrapy.utils.misc.md5sum function is deprecated, and will be " + "The scrapy.utils.misc.md5sum function is deprecated and will be " "removed in a future version of Scrapy." ), ScrapyDeprecationWarning, diff --git a/scrapy/utils/python.py b/scrapy/utils/python.py index 6268af728..d970f5da5 100644 --- a/scrapy/utils/python.py +++ b/scrapy/utils/python.py @@ -8,12 +8,14 @@ import gc import inspect import re import sys +import warnings import weakref from collections.abc import AsyncIterable, Iterable, Mapping from functools import partial, wraps from itertools import chain from typing import TYPE_CHECKING, Any, TypeVar, overload +from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.utils.asyncgen import as_async_generator if TYPE_CHECKING: @@ -47,6 +49,11 @@ def flatten(x: Iterable[Any]) -> list[Any]: >>> flatten(["foo", ["baz", 42], "bar"]) ['foo', 'baz', 42, 'bar'] """ + warnings.warn( + "The flatten function is deprecated and will be removed in a future version of Scrapy.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) return list(iflatten(x)) @@ -54,6 +61,11 @@ def iflatten(x: Iterable[Any]) -> Iterable[Any]: """iflatten(sequence) -> iterator Similar to ``.flatten()``, but returns iterator instead""" + warnings.warn( + "The iflatten function is deprecated and will be removed in a future version of Scrapy.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) for el in x: if is_listlike(el): yield from iflatten(el) @@ -272,6 +284,11 @@ def equal_attributes( obj1: Any, obj2: Any, attributes: list[str | Callable[[Any], Any]] | None ) -> bool: """Compare two objects attributes""" + warnings.warn( + "The equal_attributes function is deprecated and will be removed in a future version of Scrapy.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) # not attributes given return False by default if not attributes: return False diff --git a/scrapy/utils/request.py b/scrapy/utils/request.py index 7848b9318..20e3151da 100644 --- a/scrapy/utils/request.py +++ b/scrapy/utils/request.py @@ -130,7 +130,7 @@ class RequestFingerprinter: if implementation != "SENTINEL": message = ( "'REQUEST_FINGERPRINTER_IMPLEMENTATION' is a deprecated setting.\n" - "And it will be removed in future version of Scrapy." + "It will be removed in a future version of Scrapy." ) warnings.warn(message, category=ScrapyDeprecationWarning, stacklevel=2) self._fingerprint = fingerprint @@ -147,6 +147,11 @@ def request_authenticate( """Authenticate the given request (in place) using the HTTP basic access authentication mechanism (RFC 2617) and the given username and password """ + warnings.warn( + "The request_authenticate function is deprecated and will be removed in a future version of Scrapy.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) request.headers["Authorization"] = basic_auth_header(username, password) diff --git a/scrapy/utils/serialize.py b/scrapy/utils/serialize.py index 3b4f67f00..308e351c6 100644 --- a/scrapy/utils/serialize.py +++ b/scrapy/utils/serialize.py @@ -1,11 +1,13 @@ import datetime import decimal import json +import warnings from typing import Any from itemadapter import ItemAdapter, is_item from twisted.internet import defer +from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.http import Request, Response @@ -36,4 +38,10 @@ class ScrapyJSONEncoder(json.JSONEncoder): class ScrapyJSONDecoder(json.JSONDecoder): - pass + def __init__(self, *args, **kwargs): + warnings.warn( + "The ScrapyJSONDecoder class is deprecated and will be removed in a future version of Scrapy.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) + super().__init__(*args, **kwargs) diff --git a/scrapy/utils/test.py b/scrapy/utils/test.py index d65f2a76d..92b73a91a 100644 --- a/scrapy/utils/test.py +++ b/scrapy/utils/test.py @@ -6,6 +6,7 @@ from __future__ import annotations import asyncio import os +import warnings from importlib import import_module from pathlib import Path from posixpath import split @@ -16,6 +17,7 @@ from twisted.trial.unittest import SkipTest from scrapy import Spider from scrapy.crawler import Crawler +from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.utils.boto import is_botocore_available if TYPE_CHECKING: @@ -125,6 +127,11 @@ def assert_samelines( """Asserts text1 and text2 have the same lines, ignoring differences in line endings between platforms """ + warnings.warn( + "The assert_samelines function is deprecated and will be removed in a future version of Scrapy.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) testcase.assertEqual(text1.splitlines(), text2.splitlines(), msg) diff --git a/tests/test_utils_python.py b/tests/test_utils_python.py index 5681ff9a4..f80f2517a 100644 --- a/tests/test_utils_python.py +++ b/tests/test_utils_python.py @@ -3,6 +3,7 @@ import operator import platform import sys +import pytest from twisted.trial import unittest from scrapy.utils.asyncgen import as_async_generator, collect_asyncgen @@ -151,6 +152,7 @@ class BinaryIsTextTest(unittest.TestCase): class UtilsPythonTestCase(unittest.TestCase): + @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_equal_attributes(self): class Obj: pass diff --git a/tests/test_utils_request.py b/tests/test_utils_request.py index 7156b13d0..965d050a4 100644 --- a/tests/test_utils_request.py +++ b/tests/test_utils_request.py @@ -6,6 +6,8 @@ import warnings from hashlib import sha1 from weakref import WeakKeyDictionary +import pytest + from scrapy.http import Request from scrapy.utils.python import to_bytes from scrapy.utils.request import ( @@ -19,6 +21,7 @@ from scrapy.utils.test import get_crawler class UtilsRequestTest(unittest.TestCase): + @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_request_authenticate(self): r = Request("http://www.example.com") request_authenticate(r, "someuser", "somepass") From f57fc454beb4d7746002bb69457cf8add6cc3bcb Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= <adrian@chaves.io> Date: Tue, 5 Nov 2024 19:44:30 +0100 Subject: [PATCH 299/786] Replace Slot.throttle with Request.meta['dont_throttle'] --- docs/topics/autothrottle.rst | 15 ++++++++++----- docs/topics/request-response.rst | 1 + docs/topics/settings.rst | 10 +--------- scrapy/core/downloader/__init__.py | 10 ++-------- scrapy/extensions/throttle.py | 6 +++++- tests/test_core_downloader.py | 2 +- tests/test_downloaderslotssettings.py | 1 - tests/test_extension_throttle.py | 23 ++++++++++++----------- 8 files changed, 32 insertions(+), 36 deletions(-) diff --git a/docs/topics/autothrottle.rst b/docs/topics/autothrottle.rst index 8a13b8976..fbfdd0647 100644 --- a/docs/topics/autothrottle.rst +++ b/docs/topics/autothrottle.rst @@ -47,12 +47,17 @@ effect, but there are some important differences: AutoThrottle doesn't have these issues. -Disabling throttling on a downloader slot -========================================= +.. reqmeta:: dont_throttle -It is possible to disable AutoThrottle for a specific download slot at run time -by setting its ``throttle`` attribute to ``False``, e.g. using -:setting:`DOWNLOAD_SLOTS`. +Disabling the throttling of a request +===================================== + +To disable AutoThrottle for a specific request, set the ``dont_throttle`` +request metadata key to ``True``: + +.. code-block:: python + + yield Request("https://example.com", meta={"dont_throttle": True}) Note, however, that AutoThrottle still determines the starting delay of every slot by setting the ``download_delay`` attribute on the running spider. You diff --git a/docs/topics/request-response.rst b/docs/topics/request-response.rst index 3c2843bc1..18b5cbdd0 100644 --- a/docs/topics/request-response.rst +++ b/docs/topics/request-response.rst @@ -675,6 +675,7 @@ Those are: * :reqmeta:`dont_obey_robotstxt` * :reqmeta:`dont_redirect` * :reqmeta:`dont_retry` +* :reqmeta:`dont_throttle` * :reqmeta:`download_fail_on_dataloss` * :reqmeta:`download_latency` * :reqmeta:`download_maxsize` diff --git a/docs/topics/settings.rst b/docs/topics/settings.rst index 116e8226e..cce4a7b3e 100644 --- a/docs/topics/settings.rst +++ b/docs/topics/settings.rst @@ -845,12 +845,7 @@ Allows to define concurrency/delay parameters on per slot (domain) basis: .. code-block:: python DOWNLOAD_SLOTS = { - "quotes.toscrape.com": { - "concurrency": 1, - "delay": 2, - "randomize_delay": False, - "throttle": False, - }, + "quotes.toscrape.com": {"concurrency": 1, "delay": 2, "randomize_delay": False}, "books.toscrape.com": {"delay": 3, "randomize_delay": False}, } @@ -862,9 +857,6 @@ Allows to define concurrency/delay parameters on per slot (domain) basis: - :setting:`CONCURRENT_REQUESTS_PER_DOMAIN`: ``concurrency`` - :setting:`RANDOMIZE_DOWNLOAD_DELAY`: ``randomize_delay`` - There is no global setting for ``throttle``, whose default value is - ``None``. - .. setting:: DOWNLOAD_TIMEOUT diff --git a/scrapy/core/downloader/__init__.py b/scrapy/core/downloader/__init__.py index 1cc0422b7..5040741e2 100644 --- a/scrapy/core/downloader/__init__.py +++ b/scrapy/core/downloader/__init__.py @@ -36,13 +36,10 @@ class Slot: concurrency: int, delay: float, randomize_delay: bool, - *, - throttle: bool | None = None, ): self.concurrency: int = concurrency self.delay: float = delay self.randomize_delay: bool = randomize_delay - self.throttle = throttle self.active: set[Request] = set() self.queue: deque[tuple[Request, Deferred[Response]]] = deque() @@ -67,15 +64,13 @@ class Slot: return ( f"{cls_name}(concurrency={self.concurrency!r}, " f"delay={self.delay:.2f}, " - f"randomize_delay={self.randomize_delay!r}, " - f"throttle={self.throttle!r})" + f"randomize_delay={self.randomize_delay!r})" ) def __str__(self) -> str: return ( f"<downloader.Slot concurrency={self.concurrency!r} " f"delay={self.delay:.2f} randomize_delay={self.randomize_delay!r} " - f"throttle={self.throttle!r} " f"len(active)={len(self.active)} len(queue)={len(self.queue)} " f"len(transferring)={len(self.transferring)} " f"lastseen={datetime.fromtimestamp(self.lastseen).isoformat()}>" @@ -146,8 +141,7 @@ class Downloader: slot_settings.get("delay", delay), ) randomize_delay = slot_settings.get("randomize_delay", self.randomize_delay) - throttle = slot_settings.get("throttle", None) - new_slot = Slot(conc, delay, randomize_delay, throttle=throttle) + new_slot = Slot(conc, delay, randomize_delay) self.slots[key] = new_slot return key, self.slots[key] diff --git a/scrapy/extensions/throttle.py b/scrapy/extensions/throttle.py index d4b4f0e9d..fbac48b1e 100644 --- a/scrapy/extensions/throttle.py +++ b/scrapy/extensions/throttle.py @@ -64,7 +64,11 @@ class AutoThrottle: ) -> None: key, slot = self._get_slot(request, spider) latency = request.meta.get("download_latency") - if latency is None or slot is None or slot.throttle is False: + if ( + latency is None + or slot is None + or request.meta.get("dont_throttle", False) is True + ): return olddelay = slot.delay diff --git a/tests/test_core_downloader.py b/tests/test_core_downloader.py index 81cff4947..d929a9369 100644 --- a/tests/test_core_downloader.py +++ b/tests/test_core_downloader.py @@ -8,5 +8,5 @@ class SlotTest(unittest.TestCase): slot = Slot(concurrency=8, delay=0.1, randomize_delay=True) self.assertEqual( repr(slot), - "Slot(concurrency=8, delay=0.10, randomize_delay=True, throttle=None)", + "Slot(concurrency=8, delay=0.10, randomize_delay=True)", ) diff --git a/tests/test_downloaderslotssettings.py b/tests/test_downloaderslotssettings.py index ea8c5b4f0..55f9ecac9 100644 --- a/tests/test_downloaderslotssettings.py +++ b/tests/test_downloaderslotssettings.py @@ -80,7 +80,6 @@ def test_params(): "concurrency": 1, "delay": 2, "randomize_delay": False, - "throttle": False, } settings = { "DOWNLOAD_SLOTS": { diff --git a/tests/test_extension_throttle.py b/tests/test_extension_throttle.py index 722a05c26..602b48e78 100644 --- a/tests/test_extension_throttle.py +++ b/tests/test_extension_throttle.py @@ -157,17 +157,20 @@ def test_startdelay_definition(min_spider, min_setting, start_setting, expected) @pytest.mark.parametrize( - ("meta", "slot", "throttle"), + ("meta", "slot"), ( - ({}, None, None), - ({"download_latency": 1.0}, None, None), - ({"download_slot": "foo"}, None, None), - ({"download_slot": "foo"}, "foo", None), - ({"download_latency": 1.0, "download_slot": "foo"}, None, None), - ({"download_latency": 1.0, "download_slot": "foo"}, "foo", False), + ({}, None), + ({"download_latency": 1.0}, None), + ({"download_slot": "foo"}, None), + ({"download_slot": "foo"}, "foo"), + ({"download_latency": 1.0, "download_slot": "foo"}, None), + ( + {"download_latency": 1.0, "download_slot": "foo", "dont_throttle": True}, + "foo", + ), ), ) -def test_skipped(meta, slot, throttle): +def test_skipped(meta, slot): crawler = get_crawler() at = build_from_crawler(AutoThrottle, crawler) spider = TestSpider() @@ -178,9 +181,7 @@ def test_skipped(meta, slot, throttle): crawler.engine.downloader = Mock() crawler.engine.downloader.slots = {} if slot is not None: - _slot = Mock() - _slot.throttle = throttle - crawler.engine.downloader.slots[slot] = _slot + crawler.engine.downloader.slots[slot] = object() at._adjust_delay = None # Raise exception if called. at._response_downloaded(None, request, spider) From 5862216bb1c4717b5f4eebe8c410ad8cef60c6d5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= <adrian@chaves.io> Date: Tue, 5 Nov 2024 19:55:28 +0100 Subject: [PATCH 300/786] Fix docs example --- docs/topics/autothrottle.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/topics/autothrottle.rst b/docs/topics/autothrottle.rst index fbfdd0647..9f9114e83 100644 --- a/docs/topics/autothrottle.rst +++ b/docs/topics/autothrottle.rst @@ -57,7 +57,7 @@ request metadata key to ``True``: .. code-block:: python - yield Request("https://example.com", meta={"dont_throttle": True}) + Request("https://example.com", meta={"dont_throttle": True}) Note, however, that AutoThrottle still determines the starting delay of every slot by setting the ``download_delay`` attribute on the running spider. You From b244ea7ac028e2aae69d7014a808d49fa26d7c6c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= <adrian@chaves.io> Date: Tue, 5 Nov 2024 20:05:58 +0100 Subject: [PATCH 301/786] Add the missing import to the docs example --- docs/topics/autothrottle.rst | 2 ++ 1 file changed, 2 insertions(+) diff --git a/docs/topics/autothrottle.rst b/docs/topics/autothrottle.rst index 9f9114e83..48d742f63 100644 --- a/docs/topics/autothrottle.rst +++ b/docs/topics/autothrottle.rst @@ -57,6 +57,8 @@ request metadata key to ``True``: .. code-block:: python + from scrapy import Request + Request("https://example.com", meta={"dont_throttle": True}) Note, however, that AutoThrottle still determines the starting delay of every From 2a4b7fe0f8b2e1ce8c43998aad503f2b0b68495b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= <adrian@chaves.io> Date: Thu, 7 Nov 2024 16:17:16 +0100 Subject: [PATCH 302/786] =?UTF-8?q?dont=5Fthrottle=20=E2=86=92=20autothrot?= =?UTF-8?q?tle=5Fdont=5Fadjust=5Fdelay?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- docs/topics/autothrottle.rst | 8 ++++---- docs/topics/request-response.rst | 2 +- scrapy/extensions/throttle.py | 2 +- tests/test_extension_throttle.py | 6 +++++- 4 files changed, 11 insertions(+), 7 deletions(-) diff --git a/docs/topics/autothrottle.rst b/docs/topics/autothrottle.rst index 48d742f63..cfd6440f2 100644 --- a/docs/topics/autothrottle.rst +++ b/docs/topics/autothrottle.rst @@ -47,19 +47,19 @@ effect, but there are some important differences: AutoThrottle doesn't have these issues. -.. reqmeta:: dont_throttle +.. reqmeta:: autothrottle_dont_adjust_delay Disabling the throttling of a request ===================================== -To disable AutoThrottle for a specific request, set the ``dont_throttle`` -request metadata key to ``True``: +To disable AutoThrottle for a specific request, set the +``autothrottle_dont_adjust_delay`` request metadata key to ``True``: .. code-block:: python from scrapy import Request - Request("https://example.com", meta={"dont_throttle": True}) + Request("https://example.com", meta={"autothrottle_dont_adjust_delay": True}) Note, however, that AutoThrottle still determines the starting delay of every slot by setting the ``download_delay`` attribute on the running spider. You diff --git a/docs/topics/request-response.rst b/docs/topics/request-response.rst index 18b5cbdd0..7c15b67e8 100644 --- a/docs/topics/request-response.rst +++ b/docs/topics/request-response.rst @@ -668,6 +668,7 @@ are some special keys recognized by Scrapy and its built-in extensions. Those are: +* :reqmeta:`autothrottle_dont_adjust_delay` * :reqmeta:`bindaddress` * :reqmeta:`cookiejar` * :reqmeta:`dont_cache` @@ -675,7 +676,6 @@ Those are: * :reqmeta:`dont_obey_robotstxt` * :reqmeta:`dont_redirect` * :reqmeta:`dont_retry` -* :reqmeta:`dont_throttle` * :reqmeta:`download_fail_on_dataloss` * :reqmeta:`download_latency` * :reqmeta:`download_maxsize` diff --git a/scrapy/extensions/throttle.py b/scrapy/extensions/throttle.py index fbac48b1e..cdb0671ae 100644 --- a/scrapy/extensions/throttle.py +++ b/scrapy/extensions/throttle.py @@ -67,7 +67,7 @@ class AutoThrottle: if ( latency is None or slot is None - or request.meta.get("dont_throttle", False) is True + or request.meta.get("autothrottle_dont_adjust_delay", False) is True ): return diff --git a/tests/test_extension_throttle.py b/tests/test_extension_throttle.py index 602b48e78..f2c9dc063 100644 --- a/tests/test_extension_throttle.py +++ b/tests/test_extension_throttle.py @@ -165,7 +165,11 @@ def test_startdelay_definition(min_spider, min_setting, start_setting, expected) ({"download_slot": "foo"}, "foo"), ({"download_latency": 1.0, "download_slot": "foo"}, None), ( - {"download_latency": 1.0, "download_slot": "foo", "dont_throttle": True}, + { + "download_latency": 1.0, + "download_slot": "foo", + "autothrottle_dont_adjust_delay": True, + }, "foo", ), ), From dc3ebb6cf76daa1953418af5aae3b83ffc12d02a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= <adrian@chaves.io> Date: Thu, 7 Nov 2024 16:38:48 +0100 Subject: [PATCH 303/786] Refactor the docs --- docs/topics/autothrottle.rst | 57 ++++++++++++++++++++++-------------- 1 file changed, 35 insertions(+), 22 deletions(-) diff --git a/docs/topics/autothrottle.rst b/docs/topics/autothrottle.rst index cfd6440f2..5bd72fa15 100644 --- a/docs/topics/autothrottle.rst +++ b/docs/topics/autothrottle.rst @@ -21,9 +21,14 @@ Design goals How it works ============ -AutoThrottle extension adjusts download delays dynamically to make spider send -:setting:`AUTOTHROTTLE_TARGET_CONCURRENCY` concurrent requests on average -to each remote website. +Scrapy allows defining the concurrency and delay of different download slots, +e.g. through the :setting:`DOWNLOAD_SLOTS` setting. By default requests are +assigned to slots based on their URL domain, although it is possible to +customize the download slot of any request. + +The AutoThrottle extension adjusts the delay of each download slot dynamically, +to make your spider send :setting:`AUTOTHROTTLE_TARGET_CONCURRENCY` concurrent +requests on average to each remote website. It uses download latency to compute the delays. The main idea is the following: if a server needs ``latency`` seconds to respond, a client @@ -47,25 +52,6 @@ effect, but there are some important differences: AutoThrottle doesn't have these issues. -.. reqmeta:: autothrottle_dont_adjust_delay - -Disabling the throttling of a request -===================================== - -To disable AutoThrottle for a specific request, set the -``autothrottle_dont_adjust_delay`` request metadata key to ``True``: - -.. code-block:: python - - from scrapy import Request - - Request("https://example.com", meta={"autothrottle_dont_adjust_delay": True}) - -Note, however, that AutoThrottle still determines the starting delay of every -slot by setting the ``download_delay`` attribute on the running spider. You -might want to set a custom value for the ``delay`` attribute of the slot, e.g. -using :setting:`DOWNLOAD_SLOTS`. - Throttling algorithm ==================== @@ -99,6 +85,33 @@ callback, for example, and unable to attend downloads. However, these latencies should still give a reasonable estimate of how busy Scrapy (and ultimately, the server) is, and this extension builds on that premise. +.. reqmeta:: autothrottle_dont_adjust_delay + +Prevent specific requests from triggering slot delay adjustments +================================================================ + +AutoThrottle adjusts the delay of download slots based on the latencies of +responses that belong to that download slot. The only exceptions are non-200 +responses, which are only taken into account to increase that delay, but +ignored if they would decrease that delay. + +You can also set the ``autothrottle_dont_adjust_delay`` request metadata key to +``True`` in any request to prevent its response latency from impacting the +delay of its download slot: + +.. code-block:: python + + from scrapy import Request + + Request("https://example.com", meta={"autothrottle_dont_adjust_delay": True}) + +Note, however, that AutoThrottle still determines the starting delay of every +download slot by setting the ``download_delay`` attribute on the running +spider. If you want AutoThrottle not to impact a download slot at all, in +addition to setting this meta key in all requests that use that download slot, +you might want to set a custom value for the ``delay`` attribute of that +download slot, e.g. using :setting:`DOWNLOAD_SLOTS`. + Settings ======== From b042ad255db139adc740cd97047b6607889f9f1c Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Mon, 11 Nov 2024 15:49:52 +0500 Subject: [PATCH 304/786] Address some previously ignored pylint messages. (#6531) --- conftest.py | 2 +- pylintrc | 9 ------- scrapy/commands/crawl.py | 2 +- scrapy/commands/edit.py | 3 ++- scrapy/commands/parse.py | 3 +-- scrapy/contracts/__init__.py | 8 ++++-- scrapy/core/downloader/handlers/__init__.py | 5 ++-- scrapy/core/downloader/handlers/ftp.py | 5 +++- scrapy/core/downloader/middleware.py | 2 +- scrapy/core/engine.py | 4 +-- scrapy/core/scheduler.py | 3 +-- scrapy/core/spidermw.py | 13 +++++----- scrapy/extensions/feedexport.py | 2 +- scrapy/http/request/form.py | 6 ++--- scrapy/mail.py | 4 +-- scrapy/pipelines/files.py | 3 +-- scrapy/resolver.py | 11 ++++----- scrapy/settings/__init__.py | 6 ++--- scrapy/spidermiddlewares/referer.py | 5 ++-- scrapy/utils/conf.py | 3 +-- scrapy/utils/console.py | 3 ++- scrapy/utils/defer.py | 3 +-- scrapy/utils/display.py | 7 +++--- scrapy/utils/log.py | 1 + scrapy/utils/python.py | 5 ++-- scrapy/utils/reactor.py | 2 +- scrapy/utils/response.py | 5 ++-- scrapy/utils/trackref.py | 1 + scrapy/utils/url.py | 2 +- tests/spiders.py | 2 ++ tests/test_crawler.py | 12 ++++++--- tests/test_downloadermiddleware_cookies.py | 2 +- tests/test_linkextractors.py | 3 +-- tests/test_loader_deprecated.py | 3 +-- tests/test_logformatter.py | 3 +-- tests/test_pipeline_files.py | 27 ++++++++++----------- tests/test_request_dict.py | 7 +++--- tests/test_spidermiddleware_referer.py | 1 + tests/test_utils_datatypes.py | 1 + tests/test_utils_defer.py | 1 + 40 files changed, 91 insertions(+), 99 deletions(-) diff --git a/conftest.py b/conftest.py index 77b0e033b..3af072318 100644 --- a/conftest.py +++ b/conftest.py @@ -57,7 +57,7 @@ def pytest_addoption(parser): def reactor_pytest(request): if not request.cls: # doctests - return + return None request.cls.reactor_pytest = request.config.getoption("--reactor") return request.cls.reactor_pytest diff --git a/pylintrc b/pylintrc index c60e4e16a..e927b903c 100644 --- a/pylintrc +++ b/pylintrc @@ -18,14 +18,12 @@ disable=abstract-method, disallowed-name, duplicate-code, # https://github.com/PyCQA/pylint/issues/214 eval-used, - expression-not-assigned, fixme, function-redefined, global-statement, implicit-str-concat, import-error, import-outside-toplevel, - inconsistent-return-statements, inherit-non-class, invalid-name, invalid-overridden-method, @@ -37,25 +35,20 @@ disable=abstract-method, logging-not-lazy, lost-exception, missing-docstring, - no-else-raise, - no-else-return, no-member, no-method-argument, no-name-in-module, no-self-argument, no-value-for-parameter, # https://github.com/pylint-dev/pylint/issues/3268 not-callable, - pointless-exception-statement, pointless-statement, pointless-string-statement, protected-access, raise-missing-from, - redefined-argument-from-local, redefined-builtin, redefined-outer-name, reimported, signature-differs, - super-init-not-called, too-few-public-methods, too-many-ancestors, too-many-arguments, @@ -73,9 +66,7 @@ disable=abstract-method, unreachable, unused-argument, unused-import, - unused-private-member, unused-variable, - unused-wildcard-import, used-before-assignment, useless-return, wildcard-import, diff --git a/scrapy/commands/crawl.py b/scrapy/commands/crawl.py index 6b6a80bb5..0d71ab6c6 100644 --- a/scrapy/commands/crawl.py +++ b/scrapy/commands/crawl.py @@ -23,7 +23,7 @@ class Command(BaseRunSpiderCommand): def run(self, args: list[str], opts: argparse.Namespace) -> None: if len(args) < 1: raise UsageError() - elif len(args) > 1: + if len(args) > 1: raise UsageError( "running 'scrapy crawl' with more than one spider is not supported" ) diff --git a/scrapy/commands/edit.py b/scrapy/commands/edit.py index 34313d731..438375e02 100644 --- a/scrapy/commands/edit.py +++ b/scrapy/commands/edit.py @@ -35,7 +35,8 @@ class Command(ScrapyCommand): try: spidercls = self.crawler_process.spider_loader.load(args[0]) except KeyError: - return self._err(f"Spider not found: {args[0]}") + self._err(f"Spider not found: {args[0]}") + return sfile = sys.modules[spidercls.__module__].__file__ assert sfile diff --git a/scrapy/commands/parse.py b/scrapy/commands/parse.py index 2059dcf75..fba294851 100644 --- a/scrapy/commands/parse.py +++ b/scrapy/commands/parse.py @@ -399,8 +399,7 @@ class Command(BaseRunSpiderCommand): # parse arguments if not len(args) == 1 or not is_url(args[0]): raise UsageError() - else: - url = args[0] + url = args[0] # prepare spidercls self.set_spidercls(url, opts) diff --git a/scrapy/contracts/__init__.py b/scrapy/contracts/__init__.py index c20c02ca6..9071395e3 100644 --- a/scrapy/contracts/__init__.py +++ b/scrapy/contracts/__init__.py @@ -38,7 +38,9 @@ class Contract: assert cb is not None @wraps(cb) - def wrapper(response: Response, **cb_kwargs: Any) -> list[Any]: + def wrapper( # pylint: disable=inconsistent-return-statements + response: Response, **cb_kwargs: Any + ) -> list[Any]: try: results.startTest(self.testcase_pre) self.pre_process(response) @@ -67,7 +69,9 @@ class Contract: assert cb is not None @wraps(cb) - def wrapper(response: Response, **cb_kwargs: Any) -> list[Any]: + def wrapper( # pylint: disable=inconsistent-return-statements + response: Response, **cb_kwargs: Any + ) -> list[Any]: cb_result = cb(response, **cb_kwargs) if isinstance(cb_result, (AsyncGenerator, CoroutineType)): raise TypeError("Contracts don't support async callbacks") diff --git a/scrapy/core/downloader/handlers/__init__.py b/scrapy/core/downloader/handlers/__init__.py index 218f44bbb..20377ac06 100644 --- a/scrapy/core/downloader/handlers/__init__.py +++ b/scrapy/core/downloader/handlers/__init__.py @@ -92,9 +92,8 @@ class DownloadHandlers: ) self._notconfigured[scheme] = str(ex) return None - else: - self._handlers[scheme] = dh - return dh + self._handlers[scheme] = dh + return dh def download_request(self, request: Request, spider: Spider) -> Deferred[Response]: scheme = urlparse_cached(request).scheme diff --git a/scrapy/core/downloader/handlers/ftp.py b/scrapy/core/downloader/handlers/ftp.py index 70a769771..598659b4d 100644 --- a/scrapy/core/downloader/handlers/ftp.py +++ b/scrapy/core/downloader/handlers/ftp.py @@ -70,7 +70,10 @@ class ReceivedDataProtocol(Protocol): return self.__filename def close(self) -> None: - self.body.close() if self.filename else self.body.seek(0) + if self.filename: + self.body.close() + else: + self.body.seek(0) _CODE_RE = re.compile(r"\d+") diff --git a/scrapy/core/downloader/middleware.py b/scrapy/core/downloader/middleware.py index 60e7adb2f..db4191385 100644 --- a/scrapy/core/downloader/middleware.py +++ b/scrapy/core/downloader/middleware.py @@ -73,7 +73,7 @@ class DownloaderMiddlewareManager(MiddlewareManager): ) -> Generator[Deferred[Any], Any, Response | Request]: if response is None: raise TypeError("Received None in process_response") - elif isinstance(response, Request): + if isinstance(response, Request): return response for method in self.methods["process_response"]: diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index d056a00ba..60cffae35 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -172,7 +172,7 @@ class ExecutionEngine: assert self.spider is not None # typing if self.paused: - return None + return while ( not self._needs_backout() @@ -418,7 +418,7 @@ class ExecutionEngine: if isinstance(x, Failure) and isinstance(x.value, ex) } if DontCloseSpider in detected_ex: - return None + return if self.spider_is_idle(): ex = detected_ex.get(CloseSpider, CloseSpider(reason="finished")) assert isinstance(ex, CloseSpider) # typing diff --git a/scrapy/core/scheduler.py b/scrapy/core/scheduler.py index bebee1236..f09d1903c 100644 --- a/scrapy/core/scheduler.py +++ b/scrapy/core/scheduler.py @@ -312,8 +312,7 @@ class Scheduler(BaseScheduler): assert self.stats is not None self.stats.inc_value("scheduler/unserializable", spider=self.spider) return False - else: - return True + return True def _mqpush(self, request: Request) -> None: self.mqs.push(request) diff --git a/scrapy/core/spidermw.py b/scrapy/core/spidermw.py index f7947d35d..a63ee40bf 100644 --- a/scrapy/core/spidermw.py +++ b/scrapy/core/spidermw.py @@ -174,14 +174,13 @@ class SpiderMiddlewareManager(MiddlewareManager): # _process_spider_exception too, which complicates the architecture msg = f"Async iterable returned from {method.__qualname__} cannot be downgraded" raise _InvalidOutput(msg) - elif result is None: + if result is None: continue - else: - msg = ( - f"{method.__qualname__} must return None " - f"or an iterable, got {type(result)}" - ) - raise _InvalidOutput(msg) + msg = ( + f"{method.__qualname__} must return None " + f"or an iterable, got {type(result)}" + ) + raise _InvalidOutput(msg) return _failure # This method cannot be made async def, as _process_spider_exception relies on the Deferred result diff --git a/scrapy/extensions/feedexport.py b/scrapy/extensions/feedexport.py index 6ab88dbb4..af06b7790 100644 --- a/scrapy/extensions/feedexport.py +++ b/scrapy/extensions/feedexport.py @@ -105,7 +105,7 @@ class ItemFilter: class IFeedStorage(Interface): """Interface that all Feed Storages must implement""" - def __init__(uri, *, feed_options=None): + def __init__(uri, *, feed_options=None): # pylint: disable=super-init-not-called """Initialize the storage with the parameters given in the URI and the feed-specific options (see :setting:`FEEDS`)""" diff --git a/scrapy/http/request/form.py b/scrapy/http/request/form.py index 29743565d..10ad1305e 100644 --- a/scrapy/http/request/form.py +++ b/scrapy/http/request/form.py @@ -152,8 +152,7 @@ def _get_form( form = forms[formnumber] except IndexError: raise IndexError(f"Form number {formnumber} not found in {response}") - else: - return cast(FormElement, form) + return cast(FormElement, form) def _get_inputs( @@ -264,5 +263,4 @@ def _get_clickable( f"Multiple elements found ({el!r}) matching the " f"criteria in clickdata: {clickdata!r}" ) - else: - raise ValueError(f"No clickable element matching clickdata: {clickdata!r}") + raise ValueError(f"No clickable element matching clickdata: {clickdata!r}") diff --git a/scrapy/mail.py b/scrapy/mail.py index ce7beb773..10dc7fed2 100644 --- a/scrapy/mail.py +++ b/scrapy/mail.py @@ -117,8 +117,8 @@ class MailSender: if charset: msg.set_charset(charset) msg.attach(MIMEText(body, "plain", charset or "us-ascii")) - for attach_name, mimetype, f in attachs: - part = MIMEBase(*mimetype.split("/")) + for attach_name, attach_mimetype, f in attachs: + part = MIMEBase(*attach_mimetype.split("/")) part.set_payload(f.read()) Encoders.encode_base64(part) part.add_header( diff --git a/scrapy/pipelines/files.py b/scrapy/pipelines/files.py index 4a8639c22..73cf37d28 100644 --- a/scrapy/pipelines/files.py +++ b/scrapy/pipelines/files.py @@ -265,8 +265,7 @@ class S3FilesStore: kwarg = mapping[key] except KeyError: raise TypeError(f'Header "{key}" is not supported by botocore') - else: - extra[kwarg] = value + extra[kwarg] = value return extra diff --git a/scrapy/resolver.py b/scrapy/resolver.py index 99a6cc5f6..0e8260736 100644 --- a/scrapy/resolver.py +++ b/scrapy/resolver.py @@ -141,9 +141,8 @@ class CachingHostnameResolver: addressTypes, transportSemantics, ) - else: - resolutionReceiver.resolutionBegan(HostResolution(hostName)) - for addr in addresses: - resolutionReceiver.addressResolved(addr) - resolutionReceiver.resolutionComplete() - return resolutionReceiver + resolutionReceiver.resolutionBegan(HostResolution(hostName)) + for addr in addresses: + resolutionReceiver.addressResolved(addr) + resolutionReceiver.resolutionComplete() + return resolutionReceiver diff --git a/scrapy/settings/__init__.py b/scrapy/settings/__init__.py index 274ced3e3..3ebdb351a 100644 --- a/scrapy/settings/__init__.py +++ b/scrapy/settings/__init__.py @@ -501,11 +501,9 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]): except KeyError: if default is self.__default: raise - return default - else: - self.__delitem__(name) - return value + self.__delitem__(name) + return value class Settings(BaseSettings): diff --git a/scrapy/spidermiddlewares/referer.py b/scrapy/spidermiddlewares/referer.py index bdf1f168a..720217c97 100644 --- a/scrapy/spidermiddlewares/referer.py +++ b/scrapy/spidermiddlewares/referer.py @@ -325,9 +325,8 @@ def _load_policy_class( msg = f"Could not load referrer policy {policy!r}" if not warning_only: raise RuntimeError(msg) - else: - warnings.warn(msg, RuntimeWarning) - return None + warnings.warn(msg, RuntimeWarning) + return None class RefererMiddleware: diff --git a/scrapy/utils/conf.py b/scrapy/utils/conf.py index 91a49c652..e621525f2 100644 --- a/scrapy/utils/conf.py +++ b/scrapy/utils/conf.py @@ -44,8 +44,7 @@ def build_component_list( "convert to the same " "object, please update your settings" ) - else: - compbs.set(convert(k), v, priority=prio) + compbs.set(convert(k), v, priority=prio) return compbs _check_components(compdict) return {convert(k): v for k, v in compdict.items()} diff --git a/scrapy/utils/console.py b/scrapy/utils/console.py index 6b9b4114f..95844a48c 100644 --- a/scrapy/utils/console.py +++ b/scrapy/utils/console.py @@ -101,7 +101,7 @@ DEFAULT_PYTHON_SHELLS: KnownShellsT = { def get_shell_embed_func( shells: Iterable[str] | None = None, known_shells: KnownShellsT | None = None -) -> Any: +) -> EmbedFuncT | None: """Return the first acceptable shell-embed function from a given list of shell names. """ @@ -117,6 +117,7 @@ def get_shell_embed_func( return known_shells[shell]() except ImportError: continue + return None def start_python_console( diff --git a/scrapy/utils/defer.py b/scrapy/utils/defer.py index 9ca6c6a24..9f1b816c8 100644 --- a/scrapy/utils/defer.py +++ b/scrapy/utils/defer.py @@ -109,8 +109,7 @@ def mustbe_deferred( return defer_fail(failure.Failure(e)) except Exception: return defer_fail(failure.Failure()) - else: - return defer_result(result) + return defer_result(result) def parallel( diff --git a/scrapy/utils/display.py b/scrapy/utils/display.py index 596cf89e4..39f46270b 100644 --- a/scrapy/utils/display.py +++ b/scrapy/utils/display.py @@ -36,11 +36,10 @@ def _colorize(text: str, colorize: bool = True) -> str: from pygments import highlight except ImportError: return text - else: - from pygments.formatters import TerminalFormatter - from pygments.lexers import PythonLexer + from pygments.formatters import TerminalFormatter + from pygments.lexers import PythonLexer - return highlight(text, PythonLexer(), TerminalFormatter()) + return highlight(text, PythonLexer(), TerminalFormatter()) def pformat(obj: Any, *args: Any, **kwargs: Any) -> str: diff --git a/scrapy/utils/log.py b/scrapy/utils/log.py index c3808426a..a40b835cd 100644 --- a/scrapy/utils/log.py +++ b/scrapy/utils/log.py @@ -51,6 +51,7 @@ class TopLevelFormatter(logging.Filter): """ def __init__(self, loggers: list[str] | None = None): + super().__init__() self.loggers: list[str] = loggers or [] def filter(self, record: logging.LogRecord) -> bool: diff --git a/scrapy/utils/python.py b/scrapy/utils/python.py index d970f5da5..3864d054f 100644 --- a/scrapy/utils/python.py +++ b/scrapy/utils/python.py @@ -323,9 +323,8 @@ def without_none_values( """ if isinstance(iterable, Mapping): return {k: v for k, v in iterable.items() if v is not None} - else: - # the iterable __init__ must take another iterable - return type(iterable)(v for v in iterable if v is not None) # type: ignore[call-arg] + # the iterable __init__ must take another iterable + return type(iterable)(v for v in iterable if v is not None) # type: ignore[call-arg] def global_object_name(obj: Any) -> str: diff --git a/scrapy/utils/reactor.py b/scrapy/utils/reactor.py index e7bd0b232..ac4358410 100644 --- a/scrapy/utils/reactor.py +++ b/scrapy/utils/reactor.py @@ -26,7 +26,7 @@ if TYPE_CHECKING: _T = TypeVar("_T") -def listen_tcp(portrange: list[int], host: str, factory: ServerFactory) -> Port: # type: ignore[return] +def listen_tcp(portrange: list[int], host: str, factory: ServerFactory) -> Port: # type: ignore[return] # pylint: disable=inconsistent-return-statements """Like reactor.listenTCP but tries different ports in a range.""" from twisted.internet import reactor diff --git a/scrapy/utils/response.py b/scrapy/utils/response.py index ecc83d1c8..7c8ca51f2 100644 --- a/scrapy/utils/response.py +++ b/scrapy/utils/response.py @@ -66,9 +66,8 @@ def _remove_html_comments(body: bytes) -> bytes: end = body.find(b"-->", start + 1) if end == -1: return body[:start] - else: - body = body[:start] + body[end + 3 :] - start = body.find(b"<!--") + body = body[:start] + body[end + 3 :] + start = body.find(b"<!--") return body diff --git a/scrapy/utils/trackref.py b/scrapy/utils/trackref.py index 5eec1c10f..b04214c51 100644 --- a/scrapy/utils/trackref.py +++ b/scrapy/utils/trackref.py @@ -66,6 +66,7 @@ def get_oldest(class_name: str) -> Any: if not wdict: break return min(wdict.items(), key=itemgetter(1))[0] + return None def iter_all(class_name: str) -> Iterable[Any]: diff --git a/scrapy/utils/url.py b/scrapy/utils/url.py index 9dc177cf1..a5cc22c1c 100644 --- a/scrapy/utils/url.py +++ b/scrapy/utils/url.py @@ -14,7 +14,7 @@ from urllib.parse import ParseResult, urldefrag, urlparse, urlunparse # scrapy.utils.url was moved to w3lib.url and import * ensures this # move doesn't break old code -from w3lib.url import * +from w3lib.url import * # pylint: disable=unused-wildcard-import from w3lib.url import _safe_chars, _unquotepath # noqa: F401 from scrapy.utils.python import to_unicode diff --git a/tests/spiders.py b/tests/spiders.py index cc54240ef..63c7a6f9b 100644 --- a/tests/spiders.py +++ b/tests/spiders.py @@ -377,11 +377,13 @@ class SingleRequestSpider(MetaSpider): return self.callback_func(response) if "next" in response.meta: return response.meta["next"] + return None def on_error(self, failure): self.meta["failure"] = failure if callable(self.errback_func): return self.errback_func(failure) + return None class DuplicateStartRequestsSpider(MockServerSpider): diff --git a/tests/test_crawler.py b/tests/test_crawler.py index 37348778c..853acf2de 100644 --- a/tests/test_crawler.py +++ b/tests/test_crawler.py @@ -143,7 +143,8 @@ class CrawlerTestCase(BaseCrawlerTest): def from_crawler(cls, crawler): return cls(crawler=crawler) - def __init__(self, crawler): + def __init__(self, crawler, **kwargs: Any): + super().__init__(**kwargs) self.crawler = crawler def start_requests(self): @@ -223,7 +224,8 @@ class CrawlerTestCase(BaseCrawlerTest): def from_crawler(cls, crawler): return cls(crawler=crawler) - def __init__(self, crawler): + def __init__(self, crawler, **kwargs: Any): + super().__init__(**kwargs) self.crawler = crawler def start_requests(self): @@ -301,7 +303,8 @@ class CrawlerTestCase(BaseCrawlerTest): def from_crawler(cls, crawler): return cls(crawler=crawler) - def __init__(self, crawler): + def __init__(self, crawler, **kwargs: Any): + super().__init__(**kwargs) self.crawler = crawler def start_requests(self): @@ -379,7 +382,8 @@ class CrawlerTestCase(BaseCrawlerTest): def from_crawler(cls, crawler): return cls(crawler=crawler) - def __init__(self, crawler): + def __init__(self, crawler, **kwargs: Any): + super().__init__(**kwargs) self.crawler = crawler def start_requests(self): diff --git a/tests/test_downloadermiddleware_cookies.py b/tests/test_downloadermiddleware_cookies.py index 6e343d035..772769690 100644 --- a/tests/test_downloadermiddleware_cookies.py +++ b/tests/test_downloadermiddleware_cookies.py @@ -25,7 +25,7 @@ def _cookie_to_set_cookie_value(cookie): for key in ("name", "value", "path", "domain"): if cookie.get(key) is None: if key in ("name", "value"): - return + return None continue if isinstance(cookie[key], (bool, float, int, str)): decoded[key] = str(cookie[key]) diff --git a/tests/test_linkextractors.py b/tests/test_linkextractors.py index ed3394b01..a83cfb56c 100644 --- a/tests/test_linkextractors.py +++ b/tests/test_linkextractors.py @@ -436,8 +436,7 @@ class Base: def process_value(value): m = re.search(r"javascript:goToPage\('(.*?)'", value) - if m: - return m.group(1) + return m.group(1) if m else None lx = self.extractor_cls(process_value=process_value) self.assertEqual( diff --git a/tests/test_loader_deprecated.py b/tests/test_loader_deprecated.py index 0d245bec9..f9b841a61 100644 --- a/tests/test_loader_deprecated.py +++ b/tests/test_loader_deprecated.py @@ -69,8 +69,7 @@ class BasicItemLoaderTest(unittest.TestCase): def test_load_item_ignore_none_field_values(self): def validate_sku(value): # Let's assume a SKU is only digits. - if value.isdigit(): - return value + return value if value.isdigit() else None class MyLoader(ItemLoader): name_out = Compose(lambda vs: vs[0]) # take first which allows empty values diff --git a/tests/test_logformatter.py b/tests/test_logformatter.py index 56810f2ff..5a92521cc 100644 --- a/tests/test_logformatter.py +++ b/tests/test_logformatter.py @@ -198,8 +198,7 @@ class DropSomeItemsPipeline: if self.drop: self.drop = False raise DropItem("Ignoring item") - else: - self.drop = True + self.drop = True class ShowOrSkipMessagesTestCase(TwistedTestCase): diff --git a/tests/test_pipeline_files.py b/tests/test_pipeline_files.py index 47840caaa..80bb9e939 100644 --- a/tests/test_pipeline_files.py +++ b/tests/test_pipeline_files.py @@ -627,20 +627,19 @@ class TestGCSFilesStore(unittest.TestCase): import google.cloud.storage # noqa except ModuleNotFoundError: raise unittest.SkipTest("google-cloud-storage is not installed") - else: - with mock.patch("google.cloud.storage") as _: - with mock.patch("scrapy.pipelines.files.time") as _: - uri = "gs://my_bucket/my_prefix/" - store = GCSFilesStore(uri) - store.bucket = mock.Mock() - path = "full/my_data.txt" - yield store.persist_file( - path, mock.Mock(), info=None, meta=None, headers=None - ) - yield store.stat_file(path, info=None) - expected_blob_path = store.prefix + path - store.bucket.blob.assert_called_with(expected_blob_path) - store.bucket.get_blob.assert_called_with(expected_blob_path) + with mock.patch("google.cloud.storage") as _: + with mock.patch("scrapy.pipelines.files.time") as _: + uri = "gs://my_bucket/my_prefix/" + store = GCSFilesStore(uri) + store.bucket = mock.Mock() + path = "full/my_data.txt" + yield store.persist_file( + path, mock.Mock(), info=None, meta=None, headers=None + ) + yield store.stat_file(path, info=None) + expected_blob_path = store.prefix + path + store.bucket.blob.assert_called_with(expected_blob_path) + store.bucket.get_blob.assert_called_with(expected_blob_path) class TestFTPFileStore(unittest.TestCase): diff --git a/tests/test_request_dict.py b/tests/test_request_dict.py index d3f416347..854805cf7 100644 --- a/tests/test_request_dict.py +++ b/tests/test_request_dict.py @@ -159,7 +159,7 @@ class RequestSerializationTest(unittest.TestCase): class TestSpiderMixin: - def __mixin_callback(self, response): + def __mixin_callback(self, response): # pylint: disable=unused-private-member pass @@ -191,7 +191,8 @@ class TestSpider(Spider, TestSpiderMixin): __parse_item_reference = private_parse_item __handle_error_reference = private_handle_error - def __init__(self): + def __init__(self, **kwargs): + super().__init__(**kwargs) self.delegated_callback = TestSpiderDelegation().delegated_callback def parse_item(self, response): @@ -200,5 +201,5 @@ class TestSpider(Spider, TestSpiderMixin): def handle_error(self, failure): pass - def __parse_item_private(self, response): + def __parse_item_private(self, response): # pylint: disable=unused-private-member pass diff --git a/tests/test_spidermiddleware_referer.py b/tests/test_spidermiddleware_referer.py index facbaa60d..23b0c17c6 100644 --- a/tests/test_spidermiddleware_referer.py +++ b/tests/test_spidermiddleware_referer.py @@ -686,6 +686,7 @@ class CustomPythonOrgPolicy(ReferrerPolicy): return b"https://python.org/" if scheme == "http": return b"http://python.org/" + return None class TestSettingsCustomPolicy(TestRefererMiddleware): diff --git a/tests/test_utils_datatypes.py b/tests/test_utils_datatypes.py index 10dc6f270..5a76593c3 100644 --- a/tests/test_utils_datatypes.py +++ b/tests/test_utils_datatypes.py @@ -158,6 +158,7 @@ class CaseInsensitiveDictMixin: def _normvalue(self, value): if value is not None: return value + 1 + return None normvalue = _normvalue # deprecated CaselessDict class diff --git a/tests/test_utils_defer.py b/tests/test_utils_defer.py index ec0399865..3f153bdc0 100644 --- a/tests/test_utils_defer.py +++ b/tests/test_utils_defer.py @@ -182,6 +182,7 @@ class AsyncCooperatorTest(unittest.TestCase): return dfd # simulate trivial sync processing results.append(o) + return None @staticmethod def get_async_iterable(length): From eda3a89b3fe3e88ed8b90d032a2f25b92a1b79ca Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Mon, 11 Nov 2024 16:44:47 +0500 Subject: [PATCH 305/786] Remove build_from_settings(). --- scrapy/middleware.py | 28 +++++++++++++++++++++---- scrapy/utils/misc.py | 25 ++--------------------- tests/test_middleware.py | 8 +++----- tests/test_utils_misc/__init__.py | 34 ------------------------------- tests/test_webclient.py | 33 ++++++++++++------------------ 5 files changed, 42 insertions(+), 86 deletions(-) diff --git a/scrapy/middleware.py b/scrapy/middleware.py index b6a427895..9e994703d 100644 --- a/scrapy/middleware.py +++ b/scrapy/middleware.py @@ -2,12 +2,13 @@ from __future__ import annotations import logging import pprint +import warnings from collections import defaultdict, deque from typing import TYPE_CHECKING, Any, TypeVar, cast -from scrapy.exceptions import NotConfigured +from scrapy.exceptions import NotConfigured, ScrapyDeprecationWarning from scrapy.utils.defer import process_chain, process_parallel -from scrapy.utils.misc import build_from_crawler, build_from_settings, load_object +from scrapy.utils.misc import build_from_crawler, load_object if TYPE_CHECKING: from collections.abc import Callable, Iterable @@ -20,7 +21,7 @@ if TYPE_CHECKING: from scrapy import Spider from scrapy.crawler import Crawler - from scrapy.settings import Settings + from scrapy.settings import BaseSettings, Settings _P = ParamSpec("_P") @@ -50,8 +51,27 @@ class MiddlewareManager: def _get_mwlist_from_settings(cls, settings: Settings) -> list[Any]: raise NotImplementedError + @staticmethod + def _build_from_settings(objcls: type[_T], settings: BaseSettings) -> _T: + if hasattr(objcls, "from_settings"): + instance = objcls.from_settings(settings) # type: ignore[attr-defined] + method_name = "from_settings" + else: + instance = objcls() + method_name = "__new__" + if instance is None: + raise TypeError(f"{objcls.__qualname__}.{method_name} returned None") + return cast(_T, instance) + @classmethod def from_settings(cls, settings: Settings, crawler: Crawler | None = None) -> Self: + if crawler is None: + warnings.warn( + "Calling MiddlewareManager.from_settings() without a Crawler instance is deprecated." + " As this method will be deprecated in the future, please switch to from_crawler().", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) mwlist = cls._get_mwlist_from_settings(settings) middlewares = [] enabled = [] @@ -61,7 +81,7 @@ class MiddlewareManager: if crawler is not None: mw = build_from_crawler(mwcls, crawler) else: - mw = build_from_settings(mwcls, settings) + mw = MiddlewareManager._build_from_settings(mwcls, settings) middlewares.append(mw) enabled.append(clspath) except NotConfigured as e: diff --git a/scrapy/utils/misc.py b/scrapy/utils/misc.py index 12c09839f..efb475131 100644 --- a/scrapy/utils/misc.py +++ b/scrapy/utils/misc.py @@ -26,7 +26,6 @@ if TYPE_CHECKING: from scrapy import Spider from scrapy.crawler import Crawler - from scrapy.settings import BaseSettings _ITERABLE_SINGLE_VALUES = dict, Item, str, bytes @@ -150,7 +149,7 @@ def create_instance(objcls, settings, crawler, *args, **kwargs): """ warnings.warn( "The create_instance() function is deprecated. " - "Please use build_from_crawler() or build_from_settings() instead.", + "Please use build_from_crawler() instead.", category=ScrapyDeprecationWarning, stacklevel=2, ) @@ -176,7 +175,7 @@ def create_instance(objcls, settings, crawler, *args, **kwargs): def build_from_crawler( objcls: type[T], crawler: Crawler, /, *args: Any, **kwargs: Any ) -> T: - """Construct a class instance using its ``from_crawler`` constructor. + """Construct a class instance using its ``from_crawler`` or ``from_settings`` constructor. ``*args`` and ``**kwargs`` are forwarded to the constructor. @@ -196,26 +195,6 @@ def build_from_crawler( return cast(T, instance) -def build_from_settings( - objcls: type[T], settings: BaseSettings, /, *args: Any, **kwargs: Any -) -> T: - """Construct a class instance using its ``from_settings`` constructor. - - ``*args`` and ``**kwargs`` are forwarded to the constructor. - - Raises ``TypeError`` if the resulting instance is ``None``. - """ - if hasattr(objcls, "from_settings"): - instance = objcls.from_settings(settings, *args, **kwargs) # type: ignore[attr-defined] - method_name = "from_settings" - else: - instance = objcls(*args, **kwargs) - method_name = "__new__" - if instance is None: - raise TypeError(f"{objcls.__qualname__}.{method_name} returned None") - return cast(T, instance) - - @contextmanager def set_environ(**kwargs: str) -> Iterator[None]: """Temporarily set environment variables inside the context manager and diff --git a/tests/test_middleware.py b/tests/test_middleware.py index a42c7b3d1..3a1cf19ad 100644 --- a/tests/test_middleware.py +++ b/tests/test_middleware.py @@ -2,7 +2,7 @@ from twisted.trial import unittest from scrapy.exceptions import NotConfigured from scrapy.middleware import MiddlewareManager -from scrapy.settings import Settings +from scrapy.utils.test import get_crawler class M1: @@ -23,8 +23,6 @@ class M2: def close_spider(self, spider): pass - pass - class M3: def process(self, response, request, spider): @@ -83,7 +81,7 @@ class MiddlewareManagerTest(unittest.TestCase): self.assertEqual(mwman.middlewares, (m1, m2, m3)) def test_enabled_from_settings(self): - settings = Settings() - mwman = TestMiddlewareManager.from_settings(settings) + crawler = get_crawler() + mwman = TestMiddlewareManager.from_crawler(crawler) classes = [x.__class__ for x in mwman.middlewares] self.assertEqual(classes, [M1, M3]) diff --git a/tests/test_utils_misc/__init__.py b/tests/test_utils_misc/__init__.py index 4d8e71521..f71b2b034 100644 --- a/tests/test_utils_misc/__init__.py +++ b/tests/test_utils_misc/__init__.py @@ -10,7 +10,6 @@ from scrapy.item import Field, Item from scrapy.utils.misc import ( arg_to_iter, build_from_crawler, - build_from_settings, create_instance, load_object, rel_has_nofollow, @@ -197,39 +196,6 @@ class UtilsMiscTestCase(unittest.TestCase): with self.assertRaises(TypeError): build_from_crawler(m, crawler, *args, **kwargs) - def test_build_from_settings(self): - settings = mock.MagicMock() - args = (True, 100.0) - kwargs = {"key": "val"} - - def _test_with_settings(mock, settings): - build_from_settings(mock, settings, *args, **kwargs) - if hasattr(mock, "from_settings"): - mock.from_settings.assert_called_once_with(settings, *args, **kwargs) - self.assertEqual(mock.call_count, 0) - else: - mock.assert_called_once_with(*args, **kwargs) - - # Check usage of correct constructor using three mocks: - # 1. with no alternative constructors - # 2. with from_settings() constructor - # 3. with from_settings() and from_crawler() constructor - spec_sets = ( - ["__qualname__"], - ["__qualname__", "from_settings"], - ["__qualname__", "from_settings", "from_crawler"], - ) - for specs in spec_sets: - m = mock.MagicMock(spec_set=specs) - _test_with_settings(m, settings) - m.reset_mock() - - # Check adoption of crawler settings - m = mock.MagicMock(spec_set=["__qualname__", "from_settings"]) - m.from_settings.return_value = None - with self.assertRaises(TypeError): - build_from_settings(m, settings, *args, **kwargs) - def test_set_environ(self): assert os.environ.get("some_test_environ") is None with set_environ(some_test_environ="test_value"): diff --git a/tests/test_webclient.py b/tests/test_webclient.py index cce119001..1797d5e1f 100644 --- a/tests/test_webclient.py +++ b/tests/test_webclient.py @@ -9,25 +9,18 @@ from tempfile import mkdtemp import OpenSSL.SSL from twisted.internet import defer, reactor +from twisted.internet.defer import inlineCallbacks +from twisted.internet.testing import StringTransport +from twisted.protocols.policies import WrappingFactory from twisted.trial import unittest from twisted.web import resource, server, static, util -try: - from twisted.internet.testing import StringTransport -except ImportError: - # deprecated in Twisted 19.7.0 - # (remove once we bump our requirement past that version) - from twisted.test.proto_helpers import StringTransport - -from twisted.internet.defer import inlineCallbacks -from twisted.protocols.policies import WrappingFactory - from scrapy.core.downloader import webclient as client from scrapy.core.downloader.contextfactory import ScrapyClientContextFactory from scrapy.http import Headers, Request -from scrapy.settings import Settings -from scrapy.utils.misc import build_from_settings +from scrapy.utils.misc import build_from_crawler from scrapy.utils.python import to_bytes, to_unicode +from scrapy.utils.test import get_crawler from tests.mockserver import ( BrokenDownloadResource, ErrorResource, @@ -469,22 +462,22 @@ class WebClientCustomCiphersSSLTestCase(WebClientSSLTestCase): def testPayload(self): s = "0123456789" * 10 - settings = Settings({"DOWNLOADER_CLIENT_TLS_CIPHERS": self.custom_ciphers}) - client_context_factory = build_from_settings( - ScrapyClientContextFactory, settings + crawler = get_crawler( + settings_dict={"DOWNLOADER_CLIENT_TLS_CIPHERS": self.custom_ciphers} ) + client_context_factory = build_from_crawler(ScrapyClientContextFactory, crawler) return getPage( self.getURL("payload"), body=s, contextFactory=client_context_factory ).addCallback(self.assertEqual, to_bytes(s)) def testPayloadDisabledCipher(self): s = "0123456789" * 10 - settings = Settings( - {"DOWNLOADER_CLIENT_TLS_CIPHERS": "ECDHE-RSA-AES256-GCM-SHA384"} - ) - client_context_factory = build_from_settings( - ScrapyClientContextFactory, settings + crawler = get_crawler( + settings_dict={ + "DOWNLOADER_CLIENT_TLS_CIPHERS": "ECDHE-RSA-AES256-GCM-SHA384" + } ) + client_context_factory = build_from_crawler(ScrapyClientContextFactory, crawler) d = getPage( self.getURL("payload"), body=s, contextFactory=client_context_factory ) From 83d4939d41ab8790587f721755a74f883cc04e31 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Mon, 11 Nov 2024 22:14:42 +0500 Subject: [PATCH 306/786] Deprecate scrapy.extensions.feedexport.build_storage() and simplify _get_storage(). --- scrapy/extensions/feedexport.py | 50 ++++++++------------------------- 1 file changed, 12 insertions(+), 38 deletions(-) diff --git a/scrapy/extensions/feedexport.py b/scrapy/extensions/feedexport.py index 6ab88dbb4..27f0b79ae 100644 --- a/scrapy/extensions/feedexport.py +++ b/scrapy/extensions/feedexport.py @@ -62,6 +62,11 @@ def build_storage( preargs: Iterable[Any] = (), **kwargs: Any, ) -> _StorageT: + warnings.warn( + "scrapy.extensions.feedexport.build_storage() is deprecated, call the builder directly.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) kwargs["feed_options"] = feed_options return builder(*preargs, uri, *args, **kwargs) @@ -248,8 +253,7 @@ class S3FeedStorage(BlockingFeedStorage): *, feed_options: dict[str, Any] | None = None, ) -> Self: - return build_storage( - cls, + return cls( uri, access_key=crawler.settings["AWS_ACCESS_KEY_ID"], secret_key=crawler.settings["AWS_SECRET_ACCESS_KEY"], @@ -323,10 +327,9 @@ class FTPFeedStorage(BlockingFeedStorage): *, feed_options: dict[str, Any] | None = None, ) -> Self: - return build_storage( - cls, + return cls( uri, - crawler.settings.getbool("FEED_STORAGE_FTP_ACTIVE"), + use_active_mode=crawler.settings.getbool("FEED_STORAGE_FTP_ACTIVE"), feed_options=feed_options, ) @@ -407,15 +410,12 @@ class FeedSlot: self.exporter.start_exporting() self._exporting = True - def _get_instance( - self, objcls: type[BaseItemExporter], *args: Any, **kwargs: Any - ) -> BaseItemExporter: - return build_from_crawler(objcls, self.crawler, *args, **kwargs) - def _get_exporter( self, file: IO[bytes], format: str, *args: Any, **kwargs: Any ) -> BaseItemExporter: - return self._get_instance(self.exporters[format], file, *args, **kwargs) + return build_from_crawler( + self.exporters[format], self.crawler, file, *args, **kwargs + ) def finish_exporting(self) -> None: if self._exporting: @@ -692,34 +692,8 @@ class FeedExporter: def _get_storage( self, uri: str, feed_options: dict[str, Any] ) -> FeedStorageProtocol: - """Fork of create_instance specific to feed storage classes - - It supports not passing the *feed_options* parameters to classes that - do not support it, and issuing a deprecation warning instead. - """ feedcls = self.storages.get(urlparse(uri).scheme, self.storages["file"]) - crawler = getattr(self, "crawler", None) - - def build_instance( - builder: type[FeedStorageProtocol], *preargs: Any - ) -> FeedStorageProtocol: - return build_storage( - builder, uri, feed_options=feed_options, preargs=preargs - ) - - instance: FeedStorageProtocol - if crawler and hasattr(feedcls, "from_crawler"): - instance = build_instance(feedcls.from_crawler, crawler) - method_name = "from_crawler" - elif hasattr(feedcls, "from_settings"): - instance = build_instance(feedcls.from_settings, self.settings) - method_name = "from_settings" - else: - instance = build_instance(feedcls) - method_name = "__new__" - if instance is None: - raise TypeError(f"{feedcls.__qualname__}.{method_name} returned None") - return instance + return build_from_crawler(feedcls, self.crawler, uri, feed_options=feed_options) def _get_uri_params( self, From f796d8780c75543eadb6cf3689c7d0ca02896f0c Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 12 Nov 2024 21:08:04 +0500 Subject: [PATCH 307/786] Add tests for MediaPipeline.from_crawler() and related code. --- tests/test_pipeline_files.py | 62 ++++++++++++++++++++++ tests/test_pipeline_media.py | 99 ++++++++++++++++++++++++++++++++++++ 2 files changed, 161 insertions(+) diff --git a/tests/test_pipeline_files.py b/tests/test_pipeline_files.py index 47840caaa..83eaa1fdd 100644 --- a/tests/test_pipeline_files.py +++ b/tests/test_pipeline_files.py @@ -2,6 +2,7 @@ import dataclasses import os import random import time +import warnings from datetime import datetime from io import BytesIO from pathlib import Path @@ -16,6 +17,7 @@ from itemadapter import ItemAdapter from twisted.internet import defer from twisted.trial import unittest +from scrapy import Spider from scrapy.http import Request, Response from scrapy.item import Field, Item from scrapy.pipelines.files import ( @@ -687,3 +689,63 @@ def _prepare_request_object(item_url, flags=None): item_url, meta={"response": Response(item_url, status=200, body=b"data", flags=flags)}, ) + + +# this is separate from the one in test_pipeline_media.py to specifically test FilesPipeline subclasses +class BuildFromCrawlerTestCase(unittest.TestCase): + def setUp(self): + self.tempdir = mkdtemp() + self.crawler = get_crawler(Spider, {"FILES_STORE": self.tempdir}) + + def tearDown(self): + rmtree(self.tempdir) + + def test_simple(self): + class Pipeline(FilesPipeline): + pass + + with warnings.catch_warnings(record=True) as w: + pipe = Pipeline.from_crawler(self.crawler) + assert pipe.crawler == self.crawler + assert pipe._fingerprinter + self.assertEqual(len(w), 0) + assert pipe.store + + def test_has_from_settings(self): + class Pipeline(FilesPipeline): + @classmethod + def from_settings(cls, settings): + o = super().from_settings(settings) + o._from_settings_called = True + return o + + with warnings.catch_warnings(record=True) as w: + pipe = Pipeline.from_crawler(self.crawler) + assert pipe.crawler == self.crawler + assert pipe._fingerprinter + self.assertEqual(len(w), 0) + assert pipe.store + assert pipe._from_settings_called + + @pytest.mark.xfail( + reason="No way to override MediaPipeline.from_crawler having non-trivial __init__" + ) + def test_has_from_crawler_and_init(self): + class Pipeline(FilesPipeline): + @classmethod + def from_crawler(cls, crawler): + settings = crawler.settings + store_uri = settings["FILES_STORE"] + # you can either call super().from_crawler() or cls.__init__() but you need both + o = cls(store_uri, settings=settings) + o._from_crawler_called = True + return o + + with warnings.catch_warnings(record=True) as w: + pipe = Pipeline.from_crawler(self.crawler) + # this and the next assert will fail as MediaPipeline.from_crawler() wasn't called + assert pipe.crawler == self.crawler + assert pipe._fingerprinter + self.assertEqual(len(w), 0) + assert pipe.store + assert pipe._from_crawler_called diff --git a/tests/test_pipeline_media.py b/tests/test_pipeline_media.py index c979e45d7..920b4246e 100644 --- a/tests/test_pipeline_media.py +++ b/tests/test_pipeline_media.py @@ -1,5 +1,8 @@ from __future__ import annotations +import warnings + +import pytest from testfixtures import LogCapture from twisted.internet import reactor from twisted.internet.defer import Deferred, inlineCallbacks @@ -410,3 +413,99 @@ class MediaPipelineAllowRedirectSettingsTestCase(unittest.TestCase): self._assert_request_no3xx( UserDefinedPipeline, {"USERDEFINEDPIPELINE_MEDIA_ALLOW_REDIRECTS": True} ) + + +class BuildFromCrawlerTestCase(unittest.TestCase): + def setUp(self): + self.crawler = get_crawler(Spider, {"FILES_STORE": "/foo"}) + + def test_simple(self): + class Pipeline(UserDefinedPipeline): + pass + + with warnings.catch_warnings(record=True) as w: + pipe = Pipeline.from_crawler(self.crawler) + assert pipe.crawler == self.crawler + assert pipe._fingerprinter + self.assertEqual(len(w), 0) + + def test_has_from_settings(self): + class Pipeline(UserDefinedPipeline): + @classmethod + def from_settings(cls, settings): + o = cls() + o._from_settings_called = True + return o + + with warnings.catch_warnings(record=True) as w: + pipe = Pipeline.from_crawler(self.crawler) + assert pipe.crawler == self.crawler + assert pipe._fingerprinter + self.assertEqual(len(w), 0) + assert pipe._from_settings_called + + def test_has_from_settings_and_init(self): + class Pipeline(UserDefinedPipeline): + def __init__(self, store_uri, settings): + super().__init__() + self._init_called = True + + @classmethod + def from_settings(cls, settings): + store_uri = settings["FILES_STORE"] + o = cls(store_uri, settings=settings) + o._from_settings_called = True + return o + + with warnings.catch_warnings(record=True) as w: + pipe = Pipeline.from_crawler(self.crawler) + assert pipe.crawler == self.crawler + assert pipe._fingerprinter + self.assertEqual(len(w), 0) + assert pipe._from_settings_called + assert pipe._init_called + + @pytest.mark.xfail( + reason="No way to override MediaPipeline.from_crawler having non-trivial __init__" + ) + def test_has_from_crawler_and_init(self): + class Pipeline(UserDefinedPipeline): + def __init__(self, store_uri, settings): + super().__init__() + self._init_called = True + + @classmethod + def from_crawler(cls, crawler): + settings = crawler.settings + store_uri = settings["FILES_STORE"] + # you can either call super().from_crawler() or cls.__init__() but you need both + o = cls(store_uri, settings=settings) + o._from_crawler_called = True + return o + + with warnings.catch_warnings(record=True) as w: + pipe = Pipeline.from_crawler(self.crawler) + # this and the next assert will fail as super().from_crawler() wasn't called + assert pipe.crawler == self.crawler + assert pipe._fingerprinter + self.assertEqual(len(w), 0) + assert pipe._from_crawler_called + assert pipe._init_called + + def test_has_from_crawler(self): + class Pipeline(UserDefinedPipeline): + @classmethod + def from_crawler(cls, crawler): + settings = crawler.settings + o = super().from_crawler(crawler) + o._from_crawler_called = True + o.store_uri = settings["FILES_STORE"] + return o + + with warnings.catch_warnings(record=True) as w: + pipe = Pipeline.from_crawler(self.crawler) + # this and the next assert will fail as MediaPipeline.from_crawler() wasn't called + assert pipe.crawler == self.crawler + assert pipe._fingerprinter + self.assertEqual(len(w), 0) + assert pipe._from_crawler_called From 499e7e8aa685b2c8ba60576707e6fbf8ed8180ba Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 12 Nov 2024 21:12:32 +0500 Subject: [PATCH 308/786] Add from_crawler() to components that only had from_settings(). --- docs/topics/email.rst | 16 ++++++------ docs/topics/request-response.rst | 9 +------ scrapy/core/downloader/contextfactory.py | 26 ++++++++++++++++++++ scrapy/dupefilters.py | 31 +++++++++++++++++++++--- scrapy/extensions/memusage.py | 2 +- scrapy/extensions/statsmailer.py | 2 +- scrapy/mail.py | 16 ++++++++++++ scrapy/spidermiddlewares/urllength.py | 17 ++++++++++++- tests/test_dupefilters.py | 18 -------------- tests/test_spidermiddleware_urllength.py | 7 ++---- 10 files changed, 99 insertions(+), 45 deletions(-) diff --git a/docs/topics/email.rst b/docs/topics/email.rst index d6a7ad354..8f7a2357a 100644 --- a/docs/topics/email.rst +++ b/docs/topics/email.rst @@ -27,13 +27,13 @@ the standard ``__init__`` method: mailer = MailSender() -Or you can instantiate it passing a Scrapy settings object, which will respect -the :ref:`settings <topics-email-settings>`: +Or you can instantiate it passing a :class:`scrapy.Crawler` instance, which +will respect the :ref:`settings <topics-email-settings>`: .. skip: start .. code-block:: python - mailer = MailSender.from_settings(settings) + mailer = MailSender.from_crawler(crawler) And here is how to use it to send an e-mail (without attachments): @@ -81,13 +81,13 @@ rest of the framework. :param smtpssl: enforce using a secure SSL connection :type smtpssl: bool - .. classmethod:: from_settings(settings) + .. classmethod:: from_crawler(crawler) - Instantiate using a Scrapy settings object, which will respect - :ref:`these Scrapy settings <topics-email-settings>`. + Instantiate using a :class:`scrapy.Crawler` instance, which will + respect :ref:`these Scrapy settings <topics-email-settings>`. - :param settings: the e-mail recipients - :type settings: :class:`scrapy.settings.Settings` object + :param crawler: the crawler + :type settings: :class:`scrapy.Crawler` object .. method:: send(to, subject, body, cc=None, attachs=(), mimetype='text/plain', charset=None) diff --git a/docs/topics/request-response.rst b/docs/topics/request-response.rst index 7c15b67e8..710e2e131 100644 --- a/docs/topics/request-response.rst +++ b/docs/topics/request-response.rst @@ -488,7 +488,7 @@ A request fingerprinter is a class that must implement the following method: :param request: request to fingerprint :type request: scrapy.http.Request -Additionally, it may also implement the following methods: +Additionally, it may also implement the following method: .. classmethod:: from_crawler(cls, crawler) :noindex: @@ -504,13 +504,6 @@ Additionally, it may also implement the following methods: :param crawler: crawler that uses this request fingerprinter :type crawler: :class:`~scrapy.crawler.Crawler` object -.. classmethod:: from_settings(cls, settings) - - If present, and ``from_crawler`` is not defined, this class method is called - to create a request fingerprinter instance from a - :class:`~scrapy.settings.Settings` object. It must return a new instance of - the request fingerprinter. - .. currentmodule:: scrapy.http The :meth:`fingerprint` method of the default request fingerprinter, diff --git a/scrapy/core/downloader/contextfactory.py b/scrapy/core/downloader/contextfactory.py index f80f832a7..8e17eab9a 100644 --- a/scrapy/core/downloader/contextfactory.py +++ b/scrapy/core/downloader/contextfactory.py @@ -21,6 +21,7 @@ from scrapy.core.downloader.tls import ( ScrapyClientTLSOptions, openssl_methods, ) +from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.utils.misc import build_from_crawler, load_object if TYPE_CHECKING: @@ -69,6 +70,31 @@ class ScrapyClientContextFactory(BrowserLikePolicyForHTTPS): method: int = SSL.SSLv23_METHOD, *args: Any, **kwargs: Any, + ) -> Self: + warnings.warn( + f"{cls.__name__}.from_settings() is deprecated, use from_crawler() instead.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) + return cls._from_settings(settings, method, *args, **kwargs) + + @classmethod + def from_crawler( + cls, + crawler: Crawler, + method: int = SSL.SSLv23_METHOD, + *args: Any, + **kwargs: Any, + ) -> Self: + return cls._from_settings(crawler.settings, method, *args, **kwargs) + + @classmethod + def _from_settings( + cls, + settings: BaseSettings, + method: int = SSL.SSLv23_METHOD, + *args: Any, + **kwargs: Any, ) -> Self: tls_verbose_logging: bool = settings.getbool( "DOWNLOADER_CLIENT_TLS_VERBOSE_LOGGING" diff --git a/scrapy/dupefilters.py b/scrapy/dupefilters.py index d37d2741a..7b8eea135 100644 --- a/scrapy/dupefilters.py +++ b/scrapy/dupefilters.py @@ -1,9 +1,11 @@ from __future__ import annotations import logging +import warnings from pathlib import Path from typing import TYPE_CHECKING +from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.utils.job import job_dir from scrapy.utils.request import ( RequestFingerprinter, @@ -26,6 +28,15 @@ if TYPE_CHECKING: class BaseDupeFilter: @classmethod def from_settings(cls, settings: BaseSettings) -> Self: + warnings.warn( + f"{cls.__name__}.from_settings() is deprecated, use from_crawler() instead.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) + return cls() + + @classmethod + def from_crawler(cls, crawler: Crawler) -> Self: return cls() def request_seen(self, request: Request) -> bool: @@ -72,17 +83,31 @@ class RFPDupeFilter(BaseDupeFilter): *, fingerprinter: RequestFingerprinterProtocol | None = None, ) -> Self: - debug = settings.getbool("DUPEFILTER_DEBUG") - return cls(job_dir(settings), debug, fingerprinter=fingerprinter) + warnings.warn( + f"{cls.__name__}.from_settings() is deprecated, use from_crawler() instead.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) + return cls._from_settings(settings, fingerprinter=fingerprinter) @classmethod def from_crawler(cls, crawler: Crawler) -> Self: assert crawler.request_fingerprinter - return cls.from_settings( + return cls._from_settings( crawler.settings, fingerprinter=crawler.request_fingerprinter, ) + @classmethod + def _from_settings( + cls, + settings: BaseSettings, + *, + fingerprinter: RequestFingerprinterProtocol | None = None, + ) -> Self: + debug = settings.getbool("DUPEFILTER_DEBUG") + return cls(job_dir(settings), debug, fingerprinter=fingerprinter) + def request_seen(self, request: Request) -> bool: fp = self.request_fingerprint(request) if fp in self.fingerprints: diff --git a/scrapy/extensions/memusage.py b/scrapy/extensions/memusage.py index 73d864d5d..d7f810107 100644 --- a/scrapy/extensions/memusage.py +++ b/scrapy/extensions/memusage.py @@ -48,7 +48,7 @@ class MemoryUsage: self.check_interval: float = crawler.settings.getfloat( "MEMUSAGE_CHECK_INTERVAL_SECONDS" ) - self.mail: MailSender = MailSender.from_settings(crawler.settings) + self.mail: MailSender = MailSender.from_crawler(crawler) crawler.signals.connect(self.engine_started, signal=signals.engine_started) crawler.signals.connect(self.engine_stopped, signal=signals.engine_stopped) diff --git a/scrapy/extensions/statsmailer.py b/scrapy/extensions/statsmailer.py index 600eebcf2..221628642 100644 --- a/scrapy/extensions/statsmailer.py +++ b/scrapy/extensions/statsmailer.py @@ -33,7 +33,7 @@ class StatsMailer: recipients: list[str] = crawler.settings.getlist("STATSMAILER_RCPTS") if not recipients: raise NotConfigured - mail: MailSender = MailSender.from_settings(crawler.settings) + mail: MailSender = MailSender.from_crawler(crawler) assert crawler.stats o = cls(crawler.stats, recipients, mail) crawler.signals.connect(o.spider_closed, signal=signals.spider_closed) diff --git a/scrapy/mail.py b/scrapy/mail.py index ce7beb773..3c40fea34 100644 --- a/scrapy/mail.py +++ b/scrapy/mail.py @@ -7,6 +7,7 @@ See documentation in docs/topics/email.rst from __future__ import annotations import logging +import warnings from email import encoders as Encoders from email.mime.base import MIMEBase from email.mime.multipart import MIMEMultipart @@ -19,6 +20,7 @@ from typing import IO, TYPE_CHECKING, Any from twisted.internet import ssl from twisted.internet.defer import Deferred +from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.utils.misc import arg_to_iter from scrapy.utils.python import to_bytes @@ -32,6 +34,7 @@ if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.crawler import Crawler from scrapy.settings import BaseSettings @@ -72,6 +75,19 @@ class MailSender: @classmethod def from_settings(cls, settings: BaseSettings) -> Self: + warnings.warn( + f"{cls.__name__}.from_settings() is deprecated, use from_crawler() instead.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) + return cls._from_settings(settings) + + @classmethod + def from_crawler(cls, crawler: Crawler) -> Self: + return cls._from_settings(crawler.settings) + + @classmethod + def _from_settings(cls, settings: BaseSettings) -> Self: return cls( smtphost=settings["MAIL_HOST"], mailfrom=settings["MAIL_FROM"], diff --git a/scrapy/spidermiddlewares/urllength.py b/scrapy/spidermiddlewares/urllength.py index 191adb6cd..a1cd1bb7c 100644 --- a/scrapy/spidermiddlewares/urllength.py +++ b/scrapy/spidermiddlewares/urllength.py @@ -7,9 +7,10 @@ See documentation in docs/topics/spider-middleware.rst from __future__ import annotations import logging +import warnings from typing import TYPE_CHECKING, Any -from scrapy.exceptions import NotConfigured +from scrapy.exceptions import NotConfigured, ScrapyDeprecationWarning from scrapy.http import Request, Response if TYPE_CHECKING: @@ -19,6 +20,7 @@ if TYPE_CHECKING: from typing_extensions import Self from scrapy import Spider + from scrapy.crawler import Crawler from scrapy.settings import BaseSettings @@ -31,6 +33,19 @@ class UrlLengthMiddleware: @classmethod def from_settings(cls, settings: BaseSettings) -> Self: + warnings.warn( + f"{cls.__name__}.from_settings() is deprecated, use from_crawler() instead.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) + return cls._from_settings(settings) + + @classmethod + def from_crawler(cls, crawler: Crawler) -> Self: + return cls._from_settings(crawler.settings) + + @classmethod + def _from_settings(cls, settings: BaseSettings) -> Self: maxlength = settings.getint("URLLENGTH_LIMIT") if not maxlength: raise NotConfigured diff --git a/tests/test_dupefilters.py b/tests/test_dupefilters.py index 9ba8bd64f..4fd648f48 100644 --- a/tests/test_dupefilters.py +++ b/tests/test_dupefilters.py @@ -33,14 +33,6 @@ class FromCrawlerRFPDupeFilter(RFPDupeFilter): return df -class FromSettingsRFPDupeFilter(RFPDupeFilter): - @classmethod - def from_settings(cls, settings, *, fingerprinter=None): - df = super().from_settings(settings, fingerprinter=fingerprinter) - df.method = "from_settings" - return df - - class DirectDupeFilter: method = "n/a" @@ -56,16 +48,6 @@ class RFPDupeFilterTest(unittest.TestCase): self.assertTrue(scheduler.df.debug) self.assertEqual(scheduler.df.method, "from_crawler") - def test_df_from_settings_scheduler(self): - settings = { - "DUPEFILTER_DEBUG": True, - "DUPEFILTER_CLASS": FromSettingsRFPDupeFilter, - } - crawler = get_crawler(settings_dict=settings) - scheduler = Scheduler.from_crawler(crawler) - self.assertTrue(scheduler.df.debug) - self.assertEqual(scheduler.df.method, "from_settings") - def test_df_direct_scheduler(self): settings = { "DUPEFILTER_CLASS": DirectDupeFilter, diff --git a/tests/test_spidermiddleware_urllength.py b/tests/test_spidermiddleware_urllength.py index 9111e4c82..1a0f2e223 100644 --- a/tests/test_spidermiddleware_urllength.py +++ b/tests/test_spidermiddleware_urllength.py @@ -3,7 +3,6 @@ from unittest import TestCase from testfixtures import LogCapture from scrapy.http import Request, Response -from scrapy.settings import Settings from scrapy.spidermiddlewares.urllength import UrlLengthMiddleware from scrapy.spiders import Spider from scrapy.utils.test import get_crawler @@ -12,12 +11,10 @@ from scrapy.utils.test import get_crawler class TestUrlLengthMiddleware(TestCase): def setUp(self): self.maxlength = 25 - settings = Settings({"URLLENGTH_LIMIT": self.maxlength}) - - crawler = get_crawler(Spider) + crawler = get_crawler(Spider, {"URLLENGTH_LIMIT": self.maxlength}) self.spider = crawler._create_spider("foo") self.stats = crawler.stats - self.mw = UrlLengthMiddleware.from_settings(settings) + self.mw = UrlLengthMiddleware.from_crawler(crawler) self.response = Response("http://scrapytest.org") self.short_url_req = Request("http://scrapytest.org/") From eda1a8a7c5b3b61aedd5fcc2e3950b7af28a2926 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 12 Nov 2024 22:57:39 +0500 Subject: [PATCH 309/786] Deprecate MiddlewareManager.from_settings(). --- scrapy/middleware.py | 24 +++++++++++++----------- 1 file changed, 13 insertions(+), 11 deletions(-) diff --git a/scrapy/middleware.py b/scrapy/middleware.py index 9e994703d..2b67dcd21 100644 --- a/scrapy/middleware.py +++ b/scrapy/middleware.py @@ -65,13 +65,19 @@ class MiddlewareManager: @classmethod def from_settings(cls, settings: Settings, crawler: Crawler | None = None) -> Self: - if crawler is None: - warnings.warn( - "Calling MiddlewareManager.from_settings() without a Crawler instance is deprecated." - " As this method will be deprecated in the future, please switch to from_crawler().", - category=ScrapyDeprecationWarning, - stacklevel=2, - ) + warnings.warn( + f"{cls.__name__}.from_settings() is deprecated, use from_crawler() instead.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) + return cls._from_settings(settings, crawler) + + @classmethod + def from_crawler(cls, crawler: Crawler) -> Self: + return cls._from_settings(crawler.settings, crawler) + + @classmethod + def _from_settings(cls, settings: Settings, crawler: Crawler | None = None) -> Self: mwlist = cls._get_mwlist_from_settings(settings) middlewares = [] enabled = [] @@ -102,10 +108,6 @@ class MiddlewareManager: ) return cls(*middlewares) - @classmethod - def from_crawler(cls, crawler: Crawler) -> Self: - return cls.from_settings(crawler.settings, crawler) - def _add_middleware(self, mw: Any) -> None: if hasattr(mw, "open_spider"): self.methods["open_spider"].append(mw.open_spider) From 8700a5b7a92582fb1dc2a8fad7e41aa79948258b Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 12 Nov 2024 23:25:53 +0500 Subject: [PATCH 310/786] Deprecate build_from_crawler() calling from_settings(). --- scrapy/middleware.py | 8 ++++++++ scrapy/utils/misc.py | 8 ++++++++ tests/test_utils_request.py | 5 ++++- 3 files changed, 20 insertions(+), 1 deletion(-) diff --git a/scrapy/middleware.py b/scrapy/middleware.py index 2b67dcd21..91411506f 100644 --- a/scrapy/middleware.py +++ b/scrapy/middleware.py @@ -54,6 +54,14 @@ class MiddlewareManager: @staticmethod def _build_from_settings(objcls: type[_T], settings: BaseSettings) -> _T: if hasattr(objcls, "from_settings"): + warnings.warn( + f"{objcls.__qualname__} has from_settings() but not from_crawler()." + " This is deprecated and calling from_settings() will be removed in a future" + " Scrapy version. You can implement a simple from_crawler() that calls" + " from_settings() with crawler.settings.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) instance = objcls.from_settings(settings) # type: ignore[attr-defined] method_name = "from_settings" else: diff --git a/scrapy/utils/misc.py b/scrapy/utils/misc.py index efb475131..a408a205d 100644 --- a/scrapy/utils/misc.py +++ b/scrapy/utils/misc.py @@ -185,6 +185,14 @@ def build_from_crawler( instance = objcls.from_crawler(crawler, *args, **kwargs) # type: ignore[attr-defined] method_name = "from_crawler" elif hasattr(objcls, "from_settings"): + warnings.warn( + f"{objcls.__qualname__} has from_settings() but not from_crawler()." + " This is deprecated and calling from_settings() will be removed in a future" + " Scrapy version. You can implement a simple from_crawler() that calls" + " from_settings() with crawler.settings.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) instance = objcls.from_settings(crawler.settings, *args, **kwargs) # type: ignore[attr-defined] method_name = "from_settings" else: diff --git a/tests/test_utils_request.py b/tests/test_utils_request.py index 965d050a4..0a3e3b00b 100644 --- a/tests/test_utils_request.py +++ b/tests/test_utils_request.py @@ -8,6 +8,7 @@ from weakref import WeakKeyDictionary import pytest +from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.http import Request from scrapy.utils.python import to_bytes from scrapy.utils.request import ( @@ -384,7 +385,9 @@ class CustomRequestFingerprinterTestCase(unittest.TestCase): "REQUEST_FINGERPRINTER_CLASS": RequestFingerprinter, "FINGERPRINT": b"fingerprint", } - crawler = get_crawler(settings_dict=settings) + with warnings.catch_warnings(): + warnings.simplefilter("ignore", ScrapyDeprecationWarning) + crawler = get_crawler(settings_dict=settings) request = Request("http://www.example.com") fingerprint = crawler.request_fingerprinter.fingerprint(request) From 261c4b61dc48353346c1e0387d0783ac15ab459d Mon Sep 17 00:00:00 2001 From: Robert Palmer <Awriter247@gmail.com> Date: Wed, 13 Nov 2024 12:47:39 -0500 Subject: [PATCH 311/786] Enhancement: Update docs to include IgnoreRequest details (#6506) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Co-authored-by: Adrián Chaves <adrian@chaves.io> --- docs/topics/downloader-middleware.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/topics/downloader-middleware.rst b/docs/topics/downloader-middleware.rst index b184a629e..9eace3be0 100644 --- a/docs/topics/downloader-middleware.rst +++ b/docs/topics/downloader-middleware.rst @@ -876,7 +876,7 @@ REDIRECT_MAX_TIMES Default: ``20`` The maximum number of redirections that will be followed for a single request. -After this maximum, the request's response is returned as is. +If maximum redirections are exceeded, the request is aborted and ignored. MetaRefreshMiddleware --------------------- From 28fafbb8c56257eb6f09b8cbcb919483d5b30a11 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 14 Nov 2024 01:29:51 +0500 Subject: [PATCH 312/786] Modernize the media pipeline initialization API. --- scrapy/pipelines/files.py | 49 +++++++++++++++++++++-- scrapy/pipelines/images.py | 27 ++++++++++--- scrapy/pipelines/media.py | 46 +++++++++++++++++---- tests/test_pipeline_files.py | 75 +++++++++++++++++++++-------------- tests/test_pipeline_images.py | 47 +++++++++++++--------- tests/test_pipeline_media.py | 47 ++++++++++++++-------- 6 files changed, 211 insertions(+), 80 deletions(-) diff --git a/scrapy/pipelines/files.py b/scrapy/pipelines/files.py index 4a8639c22..f83037e6c 100644 --- a/scrapy/pipelines/files.py +++ b/scrapy/pipelines/files.py @@ -12,6 +12,7 @@ import hashlib import logging import mimetypes import time +import warnings from collections import defaultdict from contextlib import suppress from ftplib import FTP @@ -24,16 +25,17 @@ from itemadapter import ItemAdapter from twisted.internet.defer import Deferred, maybeDeferred from twisted.internet.threads import deferToThread -from scrapy.exceptions import IgnoreRequest, NotConfigured +from scrapy.exceptions import IgnoreRequest, NotConfigured, ScrapyDeprecationWarning from scrapy.http import Request, Response from scrapy.http.request import NO_CALLBACK from scrapy.pipelines.media import FileInfo, FileInfoOrError, MediaPipeline from scrapy.settings import Settings from scrapy.utils.boto import is_botocore_available from scrapy.utils.datatypes import CaseInsensitiveDict +from scrapy.utils.deprecate import method_is_overridden from scrapy.utils.ftp import ftp_store_file from scrapy.utils.log import failure_to_exc_info -from scrapy.utils.python import to_bytes +from scrapy.utils.python import get_func_args, to_bytes from scrapy.utils.request import referer_str if TYPE_CHECKING: @@ -46,6 +48,7 @@ if TYPE_CHECKING: from typing_extensions import Self from scrapy import Spider + from scrapy.crawler import Crawler logger = logging.getLogger(__name__) @@ -443,6 +446,8 @@ class FilesPipeline(MediaPipeline): store_uri: str | PathLike[str], download_func: Callable[[Request, Spider], Response] | None = None, settings: Settings | dict[str, Any] | None = None, + *, + crawler: Crawler | None = None, ): store_uri = _to_string(store_uri) if not store_uri: @@ -467,10 +472,35 @@ class FilesPipeline(MediaPipeline): resolve("FILES_RESULT_FIELD"), self.FILES_RESULT_FIELD ) - super().__init__(download_func=download_func, settings=settings) + super().__init__( + download_func=download_func, settings=settings, crawler=crawler + ) @classmethod def from_settings(cls, settings: Settings) -> Self: + warnings.warn( + f"{cls.__name__}.from_settings() is deprecated, use from_crawler() instead.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) + return cls._from_settings(settings, None) + + @classmethod + def from_crawler(cls, crawler: Crawler) -> Self: + if method_is_overridden(cls, FilesPipeline, "from_settings"): + warnings.warn( + f"{cls.__name__} overrides FilesPipeline.from_settings()." + f" This method is deprecated and won't be called in future Scrapy versions," + f" please update your code so that it overrides from_crawler() instead.", + category=ScrapyDeprecationWarning, + ) + o = cls.from_settings(crawler.settings) + o._finish_init(crawler) + return o + return cls._from_settings(crawler.settings, crawler) + + @classmethod + def _from_settings(cls, settings: Settings, crawler: Crawler | None) -> Self: s3store: type[S3FilesStore] = cast(type[S3FilesStore], cls.STORE_SCHEMES["s3"]) s3store.AWS_ACCESS_KEY_ID = settings["AWS_ACCESS_KEY_ID"] s3store.AWS_SECRET_ACCESS_KEY = settings["AWS_SECRET_ACCESS_KEY"] @@ -495,7 +525,18 @@ class FilesPipeline(MediaPipeline): ftp_store.USE_ACTIVE_MODE = settings.getbool("FEED_STORAGE_FTP_ACTIVE") store_uri = settings["FILES_STORE"] - return cls(store_uri, settings=settings) + if "crawler" in get_func_args(cls.__init__): + o = cls(store_uri, settings=settings, crawler=crawler) + else: + o = cls(store_uri, settings=settings) + if crawler: + o._finish_init(crawler) + warnings.warn( + f"{cls.__qualname__}.__init__() doesn't take a crawler argument." + " This is deprecated and the argument will be required in future Scrapy versions.", + category=ScrapyDeprecationWarning, + ) + return o def _get_store(self, uri: str) -> FilesStoreProtocol: if Path(uri).is_absolute(): # to support win32 paths like: C:\\some\dir diff --git a/scrapy/pipelines/images.py b/scrapy/pipelines/images.py index 2c4c9376e..71da6a196 100644 --- a/scrapy/pipelines/images.py +++ b/scrapy/pipelines/images.py @@ -8,13 +8,14 @@ from __future__ import annotations import functools import hashlib +import warnings from contextlib import suppress from io import BytesIO from typing import TYPE_CHECKING, Any, cast from itemadapter import ItemAdapter -from scrapy.exceptions import NotConfigured +from scrapy.exceptions import NotConfigured, ScrapyDeprecationWarning from scrapy.http import Request, Response from scrapy.http.request import NO_CALLBACK from scrapy.pipelines.files import ( @@ -26,7 +27,7 @@ from scrapy.pipelines.files import ( _md5sum, ) from scrapy.settings import Settings -from scrapy.utils.python import to_bytes +from scrapy.utils.python import get_func_args, to_bytes if TYPE_CHECKING: from collections.abc import Callable, Iterable @@ -38,6 +39,7 @@ if TYPE_CHECKING: from typing_extensions import Self from scrapy import Spider + from scrapy.crawler import Crawler from scrapy.pipelines.media import FileInfoOrError, MediaPipeline @@ -64,6 +66,8 @@ class ImagesPipeline(FilesPipeline): store_uri: str | PathLike[str], download_func: Callable[[Request, Spider], Response] | None = None, settings: Settings | dict[str, Any] | None = None, + *, + crawler: Crawler | None = None, ): try: from PIL import Image @@ -74,7 +78,9 @@ class ImagesPipeline(FilesPipeline): "ImagesPipeline requires installing Pillow 4.0.0 or later" ) - super().__init__(store_uri, settings=settings, download_func=download_func) + super().__init__( + store_uri, settings=settings, download_func=download_func, crawler=crawler + ) if isinstance(settings, dict) or settings is None: settings = Settings(settings) @@ -108,7 +114,7 @@ class ImagesPipeline(FilesPipeline): ) @classmethod - def from_settings(cls, settings: Settings) -> Self: + def _from_settings(cls, settings: Settings, crawler: Crawler | None) -> Self: s3store: type[S3FilesStore] = cast(type[S3FilesStore], cls.STORE_SCHEMES["s3"]) s3store.AWS_ACCESS_KEY_ID = settings["AWS_ACCESS_KEY_ID"] s3store.AWS_SECRET_ACCESS_KEY = settings["AWS_SECRET_ACCESS_KEY"] @@ -133,7 +139,18 @@ class ImagesPipeline(FilesPipeline): ftp_store.USE_ACTIVE_MODE = settings.getbool("FEED_STORAGE_FTP_ACTIVE") store_uri = settings["IMAGES_STORE"] - return cls(store_uri, settings=settings) + if "crawler" in get_func_args(cls.__init__): + o = cls(store_uri, settings=settings, crawler=crawler) + else: + o = cls(store_uri, settings=settings) + if crawler: + o._finish_init(crawler) + warnings.warn( + f"{cls.__qualname__}.__init__() doesn't take a crawler argument." + " This is deprecated and the argument will be required in future Scrapy versions.", + category=ScrapyDeprecationWarning, + ) + return o def file_downloaded( self, diff --git a/scrapy/pipelines/media.py b/scrapy/pipelines/media.py index b10ec147b..99abed09e 100644 --- a/scrapy/pipelines/media.py +++ b/scrapy/pipelines/media.py @@ -2,6 +2,7 @@ from __future__ import annotations import functools import logging +import warnings from abc import ABC, abstractmethod from collections import defaultdict from typing import ( @@ -20,12 +21,14 @@ from twisted.internet.defer import Deferred, DeferredList from twisted.python.failure import Failure from twisted.python.versions import Version +from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.http.request import NO_CALLBACK, Request from scrapy.settings import Settings from scrapy.utils.datatypes import SequenceExclude from scrapy.utils.defer import defer_result, mustbe_deferred from scrapy.utils.log import failure_to_exc_info from scrapy.utils.misc import arg_to_iter +from scrapy.utils.python import get_func_args if TYPE_CHECKING: from collections.abc import Callable @@ -38,7 +41,6 @@ if TYPE_CHECKING: from scrapy.http import Response from scrapy.utils.request import RequestFingerprinter - _T = TypeVar("_T") @@ -51,13 +53,13 @@ class FileInfo(TypedDict): FileInfoOrError = Union[tuple[Literal[True], FileInfo], tuple[Literal[False], Failure]] - logger = logging.getLogger(__name__) class MediaPipeline(ABC): crawler: Crawler _fingerprinter: RequestFingerprinter + _modern_init = False LOG_FAILED_RESULTS: bool = True @@ -74,6 +76,8 @@ class MediaPipeline(ABC): self, download_func: Callable[[Request, Spider], Response] | None = None, settings: Settings | dict[str, Any] | None = None, + *, + crawler: Crawler | None = None, ): self.download_func = download_func @@ -87,6 +91,28 @@ class MediaPipeline(ABC): ) self._handle_statuses(self.allow_redirects) + if crawler: + # TODO use crawler.settings + self._finish_init(crawler) + self._modern_init = True + else: + warnings.warn( + f"MediaPipeline.__init__() was called without the crawler argument" + f" when creating {self.__class__.__qualname__}." + f" This is deprecated and the argument will be required in future Scrapy versions.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) + + def _finish_init(self, crawler: Crawler) -> None: + # This was done in from_crawler() before 2.12, now it's done in __init__() + # if the crawler was passed to it and may be needed to be called in other + # deprecated code paths explicitly too. After the crawler argument of __init__() + # becomes mandatory this should be inlined there. + self.crawler = crawler + assert crawler.request_fingerprinter + self._fingerprinter = crawler.request_fingerprinter + def _handle_statuses(self, allow_redirects: bool) -> None: self.handle_httpstatus_list = None if allow_redirects: @@ -112,13 +138,19 @@ class MediaPipeline(ABC): @classmethod def from_crawler(cls, crawler: Crawler) -> Self: pipe: Self - try: + if hasattr(cls, "from_settings"): pipe = cls.from_settings(crawler.settings) # type: ignore[attr-defined] - except AttributeError: + elif "crawler" in get_func_args(cls.__init__): + pipe = cls(crawler=crawler) + else: pipe = cls() - pipe.crawler = crawler - assert crawler.request_fingerprinter - pipe._fingerprinter = crawler.request_fingerprinter + warnings.warn( + f"{cls.__qualname__}.__init__() doesn't take a crawler argument." + " This is deprecated and the argument will be required in future Scrapy versions.", + category=ScrapyDeprecationWarning, + ) + if not pipe._modern_init: + pipe._finish_init(crawler) return pipe def open_spider(self, spider: Spider) -> None: diff --git a/tests/test_pipeline_files.py b/tests/test_pipeline_files.py index 83eaa1fdd..5e94f9271 100644 --- a/tests/test_pipeline_files.py +++ b/tests/test_pipeline_files.py @@ -17,7 +17,6 @@ from itemadapter import ItemAdapter from twisted.internet import defer from twisted.trial import unittest -from scrapy import Spider from scrapy.http import Request, Response from scrapy.item import Field, Item from scrapy.pipelines.files import ( @@ -27,7 +26,6 @@ from scrapy.pipelines.files import ( GCSFilesStore, S3FilesStore, ) -from scrapy.settings import Settings from scrapy.utils.test import ( assert_gcs_environ, get_crawler, @@ -219,8 +217,8 @@ class FilesPipelineTestCase(unittest.TestCase): def file_path(self, request, response=None, info=None, item=None): return f'full/{item.get("path")}' - file_path = CustomFilesPipeline.from_settings( - Settings({"FILES_STORE": self.tempdir}) + file_path = CustomFilesPipeline.from_crawler( + get_crawler(None, {"FILES_STORE": self.tempdir}) ).file_path item = {"path": "path-to-store-file"} request = Request("http://example.com") @@ -237,7 +235,9 @@ class FilesPipelineTestCaseFieldsMixin: def test_item_fields_default(self): url = "http://www.example.com/files/1.txt" item = self.item_class(name="item1", file_urls=[url]) - pipeline = FilesPipeline.from_settings(Settings({"FILES_STORE": self.tempdir})) + pipeline = FilesPipeline.from_crawler( + get_crawler(None, {"FILES_STORE": self.tempdir}) + ) requests = list(pipeline.get_media_requests(item, None)) self.assertEqual(requests[0].url, url) results = [(True, {"url": url})] @@ -249,13 +249,14 @@ class FilesPipelineTestCaseFieldsMixin: def test_item_fields_override_settings(self): url = "http://www.example.com/files/1.txt" item = self.item_class(name="item1", custom_file_urls=[url]) - pipeline = FilesPipeline.from_settings( - Settings( + pipeline = FilesPipeline.from_crawler( + get_crawler( + None, { "FILES_STORE": self.tempdir, "FILES_URLS_FIELD": "custom_file_urls", "FILES_RESULT_FIELD": "custom_files", - } + }, ) ) requests = list(pipeline.get_media_requests(item, None)) @@ -373,8 +374,10 @@ class FilesPipelineTestCaseCustomSettings(unittest.TestCase): different settings. """ custom_settings = self._generate_fake_settings() - another_pipeline = FilesPipeline.from_settings(Settings(custom_settings)) - one_pipeline = FilesPipeline(self.tempdir) + another_pipeline = FilesPipeline.from_crawler( + get_crawler(None, custom_settings) + ) + one_pipeline = FilesPipeline(self.tempdir, crawler=get_crawler(None)) for pipe_attr, settings_attr, pipe_ins_attr in self.file_cls_attr_settings_map: default_value = self.default_cls_settings[pipe_attr] self.assertEqual(getattr(one_pipeline, pipe_attr), default_value) @@ -387,7 +390,7 @@ class FilesPipelineTestCaseCustomSettings(unittest.TestCase): If subclasses override class attributes and there are no special settings those values should be kept. """ pipe_cls = self._generate_fake_pipeline() - pipe = pipe_cls.from_settings(Settings({"FILES_STORE": self.tempdir})) + pipe = pipe_cls.from_crawler(get_crawler(None, {"FILES_STORE": self.tempdir})) for pipe_attr, settings_attr, pipe_ins_attr in self.file_cls_attr_settings_map: custom_value = getattr(pipe, pipe_ins_attr) self.assertNotEqual(custom_value, self.default_cls_settings[pipe_attr]) @@ -400,7 +403,7 @@ class FilesPipelineTestCaseCustomSettings(unittest.TestCase): """ pipeline_cls = self._generate_fake_pipeline() settings = self._generate_fake_settings() - pipeline = pipeline_cls.from_settings(Settings(settings)) + pipeline = pipeline_cls.from_crawler(get_crawler(None, settings)) for pipe_attr, settings_attr, pipe_ins_attr in self.file_cls_attr_settings_map: value = getattr(pipeline, pipe_ins_attr) setting_value = settings.get(settings_attr) @@ -416,8 +419,8 @@ class FilesPipelineTestCaseCustomSettings(unittest.TestCase): class UserDefinedFilesPipeline(FilesPipeline): pass - user_pipeline = UserDefinedFilesPipeline.from_settings( - Settings({"FILES_STORE": self.tempdir}) + user_pipeline = UserDefinedFilesPipeline.from_crawler( + get_crawler(None, {"FILES_STORE": self.tempdir}) ) for pipe_attr, settings_attr, pipe_ins_attr in self.file_cls_attr_settings_map: # Values from settings for custom pipeline should be set on pipeline instance. @@ -435,7 +438,9 @@ class FilesPipelineTestCaseCustomSettings(unittest.TestCase): prefix = UserDefinedFilesPipeline.__name__.upper() settings = self._generate_fake_settings(prefix=prefix) - user_pipeline = UserDefinedFilesPipeline.from_settings(Settings(settings)) + user_pipeline = UserDefinedFilesPipeline.from_crawler( + get_crawler(None, settings) + ) for pipe_attr, settings_attr, pipe_inst_attr in self.file_cls_attr_settings_map: # Values from settings for custom pipeline should be set on pipeline instance. custom_value = settings.get(prefix + "_" + settings_attr) @@ -450,7 +455,7 @@ class FilesPipelineTestCaseCustomSettings(unittest.TestCase): pipeline_cls = self._generate_fake_pipeline() prefix = pipeline_cls.__name__.upper() settings = self._generate_fake_settings(prefix=prefix) - user_pipeline = pipeline_cls.from_settings(Settings(settings)) + user_pipeline = pipeline_cls.from_crawler(get_crawler(None, settings)) for ( pipe_cls_attr, settings_attr, @@ -465,8 +470,8 @@ class FilesPipelineTestCaseCustomSettings(unittest.TestCase): DEFAULT_FILES_RESULT_FIELD = "this" DEFAULT_FILES_URLS_FIELD = "that" - pipeline = UserDefinedFilesPipeline.from_settings( - Settings({"FILES_STORE": self.tempdir}) + pipeline = UserDefinedFilesPipeline.from_crawler( + get_crawler(None, {"FILES_STORE": self.tempdir}) ) self.assertEqual( pipeline.files_result_field, @@ -486,7 +491,7 @@ class FilesPipelineTestCaseCustomSettings(unittest.TestCase): class UserPipe(FilesPipeline): pass - pipeline_cls = UserPipe.from_settings(Settings(settings)) + pipeline_cls = UserPipe.from_crawler(get_crawler(None, settings)) for pipe_attr, settings_attr, pipe_inst_attr in self.file_cls_attr_settings_map: expected_value = settings.get(settings_attr) @@ -497,8 +502,8 @@ class FilesPipelineTestCaseCustomSettings(unittest.TestCase): def file_path(self, request, response=None, info=None, *, item=None): return Path("subdir") / Path(request.url).name - pipeline = CustomFilesPipelineWithPathLikeDir.from_settings( - Settings({"FILES_STORE": Path("./Temp")}) + pipeline = CustomFilesPipelineWithPathLikeDir.from_crawler( + get_crawler(None, {"FILES_STORE": Path("./Temp")}) ) request = Request("http://example.com/image01.jpg") self.assertEqual(pipeline.file_path(request), Path("subdir/image01.jpg")) @@ -695,7 +700,7 @@ def _prepare_request_object(item_url, flags=None): class BuildFromCrawlerTestCase(unittest.TestCase): def setUp(self): self.tempdir = mkdtemp() - self.crawler = get_crawler(Spider, {"FILES_STORE": self.tempdir}) + self.crawler = get_crawler(None, {"FILES_STORE": self.tempdir}) def tearDown(self): rmtree(self.tempdir) @@ -711,8 +716,23 @@ class BuildFromCrawlerTestCase(unittest.TestCase): self.assertEqual(len(w), 0) assert pipe.store + def test_has_old_init(self): + class Pipeline(FilesPipeline): + def __init__(self, store_uri, download_func=None, settings=None): + super().__init__(store_uri, download_func, settings) + self._init_called = True + + with warnings.catch_warnings(record=True) as w: + pipe = Pipeline.from_crawler(self.crawler) + assert pipe.crawler == self.crawler + assert pipe._fingerprinter + self.assertEqual(len(w), 2) + assert pipe._init_called + def test_has_from_settings(self): class Pipeline(FilesPipeline): + _from_settings_called = False + @classmethod def from_settings(cls, settings): o = super().from_settings(settings) @@ -723,27 +743,24 @@ class BuildFromCrawlerTestCase(unittest.TestCase): pipe = Pipeline.from_crawler(self.crawler) assert pipe.crawler == self.crawler assert pipe._fingerprinter - self.assertEqual(len(w), 0) + self.assertEqual(len(w), 3) assert pipe.store assert pipe._from_settings_called - @pytest.mark.xfail( - reason="No way to override MediaPipeline.from_crawler having non-trivial __init__" - ) def test_has_from_crawler_and_init(self): class Pipeline(FilesPipeline): + _from_crawler_called = False + @classmethod def from_crawler(cls, crawler): settings = crawler.settings store_uri = settings["FILES_STORE"] - # you can either call super().from_crawler() or cls.__init__() but you need both - o = cls(store_uri, settings=settings) + o = cls(store_uri, settings=settings, crawler=crawler) o._from_crawler_called = True return o with warnings.catch_warnings(record=True) as w: pipe = Pipeline.from_crawler(self.crawler) - # this and the next assert will fail as MediaPipeline.from_crawler() wasn't called assert pipe.crawler == self.crawler assert pipe._fingerprinter self.assertEqual(len(w), 0) diff --git a/tests/test_pipeline_images.py b/tests/test_pipeline_images.py index dfeead999..3f18c83f7 100644 --- a/tests/test_pipeline_images.py +++ b/tests/test_pipeline_images.py @@ -14,6 +14,7 @@ from scrapy.http import Request, Response from scrapy.item import Field, Item from scrapy.pipelines.images import ImageException, ImagesPipeline from scrapy.settings import Settings +from scrapy.utils.test import get_crawler skip_pillow: str | None try: @@ -33,7 +34,8 @@ class ImagesPipelineTestCase(unittest.TestCase): def setUp(self): self.tempdir = mkdtemp() - self.pipeline = ImagesPipeline(self.tempdir) + crawler = get_crawler() + self.pipeline = ImagesPipeline(self.tempdir, crawler=crawler) def tearDown(self): rmtree(self.tempdir) @@ -123,8 +125,8 @@ class ImagesPipelineTestCase(unittest.TestCase): ): return f"thumb/{thumb_id}/{item.get('path')}" - thumb_path = CustomImagesPipeline.from_settings( - Settings({"IMAGES_STORE": self.tempdir}) + thumb_path = CustomImagesPipeline.from_crawler( + get_crawler(None, {"IMAGES_STORE": self.tempdir}) ).thumb_path item = {"path": "path-to-store-file"} request = Request("http://example.com") @@ -218,8 +220,8 @@ class ImagesPipelineTestCaseFieldsMixin: def test_item_fields_default(self): url = "http://www.example.com/images/1.jpg" item = self.item_class(name="item1", image_urls=[url]) - pipeline = ImagesPipeline.from_settings( - Settings({"IMAGES_STORE": "s3://example/images/"}) + pipeline = ImagesPipeline.from_crawler( + get_crawler(None, {"IMAGES_STORE": "s3://example/images/"}) ) requests = list(pipeline.get_media_requests(item, None)) self.assertEqual(requests[0].url, url) @@ -232,13 +234,14 @@ class ImagesPipelineTestCaseFieldsMixin: def test_item_fields_override_settings(self): url = "http://www.example.com/images/1.jpg" item = self.item_class(name="item1", custom_image_urls=[url]) - pipeline = ImagesPipeline.from_settings( - Settings( + pipeline = ImagesPipeline.from_crawler( + get_crawler( + None, { "IMAGES_STORE": "s3://example/images/", "IMAGES_URLS_FIELD": "custom_image_urls", "IMAGES_RESULT_FIELD": "custom_images", - } + }, ) ) requests = list(pipeline.get_media_requests(item, None)) @@ -390,8 +393,10 @@ class ImagesPipelineTestCaseCustomSettings(unittest.TestCase): """ custom_settings = self._generate_fake_settings() default_settings = Settings() - default_sts_pipe = ImagesPipeline(self.tempdir, settings=default_settings) - user_sts_pipe = ImagesPipeline.from_settings(Settings(custom_settings)) + default_sts_pipe = ImagesPipeline( + self.tempdir, settings=default_settings, crawler=get_crawler(None) # TODO + ) + user_sts_pipe = ImagesPipeline.from_crawler(get_crawler(None, custom_settings)) for pipe_attr, settings_attr in self.img_cls_attribute_names: expected_default_value = self.default_pipeline_settings.get(pipe_attr) custom_value = custom_settings.get(settings_attr) @@ -407,7 +412,9 @@ class ImagesPipelineTestCaseCustomSettings(unittest.TestCase): from class attributes. """ pipeline_cls = self._generate_fake_pipeline_subclass() - pipeline = pipeline_cls.from_settings(Settings({"IMAGES_STORE": self.tempdir})) + pipeline = pipeline_cls.from_crawler( + get_crawler(None, {"IMAGES_STORE": self.tempdir}) + ) for pipe_attr, settings_attr in self.img_cls_attribute_names: # Instance attribute (lowercase) must be equal to class attribute (uppercase). attr_value = getattr(pipeline, pipe_attr.lower()) @@ -421,7 +428,7 @@ class ImagesPipelineTestCaseCustomSettings(unittest.TestCase): """ pipeline_cls = self._generate_fake_pipeline_subclass() settings = self._generate_fake_settings() - pipeline = pipeline_cls.from_settings(Settings(settings)) + pipeline = pipeline_cls.from_crawler(get_crawler(None, settings)) for pipe_attr, settings_attr in self.img_cls_attribute_names: # Instance attribute (lowercase) must be equal to # value defined in settings. @@ -439,8 +446,8 @@ class ImagesPipelineTestCaseCustomSettings(unittest.TestCase): class UserDefinedImagePipeline(ImagesPipeline): pass - user_pipeline = UserDefinedImagePipeline.from_settings( - Settings({"IMAGES_STORE": self.tempdir}) + user_pipeline = UserDefinedImagePipeline.from_crawler( + get_crawler(None, {"IMAGES_STORE": self.tempdir}) ) for pipe_attr, settings_attr in self.img_cls_attribute_names: # Values from settings for custom pipeline should be set on pipeline instance. @@ -458,7 +465,9 @@ class ImagesPipelineTestCaseCustomSettings(unittest.TestCase): prefix = UserDefinedImagePipeline.__name__.upper() settings = self._generate_fake_settings(prefix=prefix) - user_pipeline = UserDefinedImagePipeline.from_settings(Settings(settings)) + user_pipeline = UserDefinedImagePipeline.from_crawler( + get_crawler(None, settings) + ) for pipe_attr, settings_attr in self.img_cls_attribute_names: # Values from settings for custom pipeline should be set on pipeline instance. custom_value = settings.get(prefix + "_" + settings_attr) @@ -473,7 +482,7 @@ class ImagesPipelineTestCaseCustomSettings(unittest.TestCase): pipeline_cls = self._generate_fake_pipeline_subclass() prefix = pipeline_cls.__name__.upper() settings = self._generate_fake_settings(prefix=prefix) - user_pipeline = pipeline_cls.from_settings(Settings(settings)) + user_pipeline = pipeline_cls.from_crawler(get_crawler(None, settings)) for pipe_attr, settings_attr in self.img_cls_attribute_names: custom_value = settings.get(prefix + "_" + settings_attr) self.assertNotEqual(custom_value, self.default_pipeline_settings[pipe_attr]) @@ -484,8 +493,8 @@ class ImagesPipelineTestCaseCustomSettings(unittest.TestCase): DEFAULT_IMAGES_URLS_FIELD = "something" DEFAULT_IMAGES_RESULT_FIELD = "something_else" - pipeline = UserDefinedImagePipeline.from_settings( - Settings({"IMAGES_STORE": self.tempdir}) + pipeline = UserDefinedImagePipeline.from_crawler( + get_crawler(None, {"IMAGES_STORE": self.tempdir}) ) self.assertEqual( pipeline.images_result_field, @@ -506,7 +515,7 @@ class ImagesPipelineTestCaseCustomSettings(unittest.TestCase): class UserPipe(ImagesPipeline): pass - pipeline_cls = UserPipe.from_settings(Settings(settings)) + pipeline_cls = UserPipe.from_crawler(get_crawler(None, settings)) for pipe_attr, settings_attr in self.img_cls_attribute_names: expected_value = settings.get(settings_attr) diff --git a/tests/test_pipeline_media.py b/tests/test_pipeline_media.py index 920b4246e..a825de92a 100644 --- a/tests/test_pipeline_media.py +++ b/tests/test_pipeline_media.py @@ -2,7 +2,6 @@ from __future__ import annotations import warnings -import pytest from testfixtures import LogCapture from twisted.internet import reactor from twisted.internet.defer import Deferred, inlineCallbacks @@ -14,7 +13,6 @@ from scrapy.http import Request, Response from scrapy.http.request import NO_CALLBACK from scrapy.pipelines.files import FileException from scrapy.pipelines.media import MediaPipeline -from scrapy.settings import Settings from scrapy.spiders import Spider from scrapy.utils.log import failure_to_exc_info from scrapy.utils.signal import disconnect_all @@ -178,8 +176,8 @@ class BaseMediaPipelineTestCase(unittest.TestCase): class MockedMediaPipeline(UserDefinedPipeline): - def __init__(self, *args, **kwargs): - super().__init__(*args, **kwargs) + def __init__(self, *args, crawler=None, **kwargs): + super().__init__(*args, crawler=crawler, **kwargs) self._mockcalled = [] def download(self, request, info): @@ -380,7 +378,8 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): class MediaPipelineAllowRedirectSettingsTestCase(unittest.TestCase): def _assert_request_no3xx(self, pipeline_class, settings): - pipe = pipeline_class(settings=Settings(settings)) + crawler = get_crawler(None, settings) + pipe = pipeline_class(settings=settings, crawler=crawler) # TODO request = Request("http://url") pipe._modify_media_request(request) @@ -417,7 +416,7 @@ class MediaPipelineAllowRedirectSettingsTestCase(unittest.TestCase): class BuildFromCrawlerTestCase(unittest.TestCase): def setUp(self): - self.crawler = get_crawler(Spider, {"FILES_STORE": "/foo"}) + self.crawler = get_crawler(None, {"FILES_STORE": "/foo"}) def test_simple(self): class Pipeline(UserDefinedPipeline): @@ -429,8 +428,23 @@ class BuildFromCrawlerTestCase(unittest.TestCase): assert pipe._fingerprinter self.assertEqual(len(w), 0) + def test_has_old_init(self): + class Pipeline(UserDefinedPipeline): + def __init__(self): + super().__init__() + self._init_called = True + + with warnings.catch_warnings(record=True) as w: + pipe = Pipeline.from_crawler(self.crawler) + assert pipe.crawler == self.crawler + assert pipe._fingerprinter + self.assertEqual(len(w), 2) + assert pipe._init_called + def test_has_from_settings(self): class Pipeline(UserDefinedPipeline): + _from_settings_called = False + @classmethod def from_settings(cls, settings): o = cls() @@ -441,11 +455,13 @@ class BuildFromCrawlerTestCase(unittest.TestCase): pipe = Pipeline.from_crawler(self.crawler) assert pipe.crawler == self.crawler assert pipe._fingerprinter - self.assertEqual(len(w), 0) + self.assertEqual(len(w), 1) assert pipe._from_settings_called def test_has_from_settings_and_init(self): class Pipeline(UserDefinedPipeline): + _from_settings_called = False + def __init__(self, store_uri, settings): super().__init__() self._init_called = True @@ -461,31 +477,28 @@ class BuildFromCrawlerTestCase(unittest.TestCase): pipe = Pipeline.from_crawler(self.crawler) assert pipe.crawler == self.crawler assert pipe._fingerprinter - self.assertEqual(len(w), 0) + self.assertEqual(len(w), 1) assert pipe._from_settings_called assert pipe._init_called - @pytest.mark.xfail( - reason="No way to override MediaPipeline.from_crawler having non-trivial __init__" - ) def test_has_from_crawler_and_init(self): class Pipeline(UserDefinedPipeline): - def __init__(self, store_uri, settings): - super().__init__() + _from_crawler_called = False + + def __init__(self, store_uri, settings, *, crawler): + super().__init__(crawler=crawler) self._init_called = True @classmethod def from_crawler(cls, crawler): settings = crawler.settings store_uri = settings["FILES_STORE"] - # you can either call super().from_crawler() or cls.__init__() but you need both - o = cls(store_uri, settings=settings) + o = cls(store_uri, settings=settings, crawler=crawler) o._from_crawler_called = True return o with warnings.catch_warnings(record=True) as w: pipe = Pipeline.from_crawler(self.crawler) - # this and the next assert will fail as super().from_crawler() wasn't called assert pipe.crawler == self.crawler assert pipe._fingerprinter self.assertEqual(len(w), 0) @@ -494,6 +507,8 @@ class BuildFromCrawlerTestCase(unittest.TestCase): def test_has_from_crawler(self): class Pipeline(UserDefinedPipeline): + _from_crawler_called = False + @classmethod def from_crawler(cls, crawler): settings = crawler.settings From 6aa4d2b4ab28b8f657645de613295ea2498e8cee Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 14 Nov 2024 02:01:04 +0500 Subject: [PATCH 313/786] Prefer crawler.settings over settings in media pipelines. --- scrapy/pipelines/files.py | 18 +++++++++++++++--- scrapy/pipelines/images.py | 19 ++++++++++++++++--- scrapy/pipelines/media.py | 13 +++++++++++-- tests/test_pipeline_files.py | 2 +- tests/test_pipeline_images.py | 6 +----- tests/test_pipeline_media.py | 3 +-- 6 files changed, 45 insertions(+), 16 deletions(-) diff --git a/scrapy/pipelines/files.py b/scrapy/pipelines/files.py index f83037e6c..3b730c432 100644 --- a/scrapy/pipelines/files.py +++ b/scrapy/pipelines/files.py @@ -453,7 +453,17 @@ class FilesPipeline(MediaPipeline): if not store_uri: raise NotConfigured - if isinstance(settings, dict) or settings is None: + if crawler is not None: + if settings is not None: + warnings.warn( + f"FilesPipeline.__init__() was called with a crawler instance and a settings instance" + f" when creating {self.__class__.__qualname__}. The settings instance will be ignored" + f" and crawler.settings will be used. The settings argument will be removed in a future Scrapy version.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) + settings = crawler.settings + elif isinstance(settings, dict) or settings is None: settings = Settings(settings) cls_name = "FilesPipeline" self.store: FilesStoreProtocol = self._get_store(store_uri) @@ -473,7 +483,9 @@ class FilesPipeline(MediaPipeline): ) super().__init__( - download_func=download_func, settings=settings, crawler=crawler + download_func=download_func, + settings=settings if not crawler else None, + crawler=crawler, ) @classmethod @@ -526,7 +538,7 @@ class FilesPipeline(MediaPipeline): store_uri = settings["FILES_STORE"] if "crawler" in get_func_args(cls.__init__): - o = cls(store_uri, settings=settings, crawler=crawler) + o = cls(store_uri, crawler=crawler) else: o = cls(store_uri, settings=settings) if crawler: diff --git a/scrapy/pipelines/images.py b/scrapy/pipelines/images.py index 71da6a196..fa26133bb 100644 --- a/scrapy/pipelines/images.py +++ b/scrapy/pipelines/images.py @@ -79,10 +79,23 @@ class ImagesPipeline(FilesPipeline): ) super().__init__( - store_uri, settings=settings, download_func=download_func, crawler=crawler + store_uri, + settings=settings if not crawler else None, + download_func=download_func, + crawler=crawler, ) - if isinstance(settings, dict) or settings is None: + if crawler is not None: + if settings is not None: + warnings.warn( + f"ImagesPipeline.__init__() was called with a crawler instance and a settings instance" + f" when creating {self.__class__.__qualname__}. The settings instance will be ignored" + f" and crawler.settings will be used. The settings argument will be removed in a future Scrapy version.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) + settings = crawler.settings + elif isinstance(settings, dict) or settings is None: settings = Settings(settings) resolve = functools.partial( @@ -140,7 +153,7 @@ class ImagesPipeline(FilesPipeline): store_uri = settings["IMAGES_STORE"] if "crawler" in get_func_args(cls.__init__): - o = cls(store_uri, settings=settings, crawler=crawler) + o = cls(store_uri, crawler=crawler) else: o = cls(store_uri, settings=settings) if crawler: diff --git a/scrapy/pipelines/media.py b/scrapy/pipelines/media.py index 99abed09e..70c52d090 100644 --- a/scrapy/pipelines/media.py +++ b/scrapy/pipelines/media.py @@ -81,7 +81,17 @@ class MediaPipeline(ABC): ): self.download_func = download_func - if isinstance(settings, dict) or settings is None: + if crawler is not None: + if settings is not None: + warnings.warn( + f"MediaPipeline.__init__() was called with a crawler instance and a settings instance" + f" when creating {self.__class__.__qualname__}. The settings instance will be ignored" + f" and crawler.settings will be used. The settings argument will be removed in a future Scrapy version.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) + settings = crawler.settings + elif isinstance(settings, dict) or settings is None: settings = Settings(settings) resolve = functools.partial( self._key_for_pipe, base_class_name="MediaPipeline", settings=settings @@ -92,7 +102,6 @@ class MediaPipeline(ABC): self._handle_statuses(self.allow_redirects) if crawler: - # TODO use crawler.settings self._finish_init(crawler) self._modern_init = True else: diff --git a/tests/test_pipeline_files.py b/tests/test_pipeline_files.py index 5e94f9271..9dcb3e4d1 100644 --- a/tests/test_pipeline_files.py +++ b/tests/test_pipeline_files.py @@ -755,7 +755,7 @@ class BuildFromCrawlerTestCase(unittest.TestCase): def from_crawler(cls, crawler): settings = crawler.settings store_uri = settings["FILES_STORE"] - o = cls(store_uri, settings=settings, crawler=crawler) + o = cls(store_uri, crawler=crawler) o._from_crawler_called = True return o diff --git a/tests/test_pipeline_images.py b/tests/test_pipeline_images.py index 3f18c83f7..3ffef4102 100644 --- a/tests/test_pipeline_images.py +++ b/tests/test_pipeline_images.py @@ -13,7 +13,6 @@ from twisted.trial import unittest from scrapy.http import Request, Response from scrapy.item import Field, Item from scrapy.pipelines.images import ImageException, ImagesPipeline -from scrapy.settings import Settings from scrapy.utils.test import get_crawler skip_pillow: str | None @@ -392,10 +391,7 @@ class ImagesPipelineTestCaseCustomSettings(unittest.TestCase): have different settings. """ custom_settings = self._generate_fake_settings() - default_settings = Settings() - default_sts_pipe = ImagesPipeline( - self.tempdir, settings=default_settings, crawler=get_crawler(None) # TODO - ) + default_sts_pipe = ImagesPipeline(self.tempdir, crawler=get_crawler(None)) user_sts_pipe = ImagesPipeline.from_crawler(get_crawler(None, custom_settings)) for pipe_attr, settings_attr in self.img_cls_attribute_names: expected_default_value = self.default_pipeline_settings.get(pipe_attr) diff --git a/tests/test_pipeline_media.py b/tests/test_pipeline_media.py index a825de92a..58a2d3678 100644 --- a/tests/test_pipeline_media.py +++ b/tests/test_pipeline_media.py @@ -378,8 +378,7 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): class MediaPipelineAllowRedirectSettingsTestCase(unittest.TestCase): def _assert_request_no3xx(self, pipeline_class, settings): - crawler = get_crawler(None, settings) - pipe = pipeline_class(settings=settings, crawler=crawler) # TODO + pipe = pipeline_class(crawler=get_crawler(None, settings)) request = Request("http://url") pipe._modify_media_request(request) From 2ad5f0c12bfafc66fda6eb71790f447d2f7b8c13 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 14 Nov 2024 13:03:04 +0500 Subject: [PATCH 314/786] Extract duplicated code. --- scrapy/pipelines/files.py | 33 ++++++++++++++++++--------------- scrapy/pipelines/images.py | 35 +++-------------------------------- 2 files changed, 21 insertions(+), 47 deletions(-) diff --git a/scrapy/pipelines/files.py b/scrapy/pipelines/files.py index 3b730c432..065d822f3 100644 --- a/scrapy/pipelines/files.py +++ b/scrapy/pipelines/files.py @@ -29,7 +29,7 @@ from scrapy.exceptions import IgnoreRequest, NotConfigured, ScrapyDeprecationWar from scrapy.http import Request, Response from scrapy.http.request import NO_CALLBACK from scrapy.pipelines.media import FileInfo, FileInfoOrError, MediaPipeline -from scrapy.settings import Settings +from scrapy.settings import BaseSettings, Settings from scrapy.utils.boto import is_botocore_available from scrapy.utils.datatypes import CaseInsensitiveDict from scrapy.utils.deprecate import method_is_overridden @@ -513,6 +513,23 @@ class FilesPipeline(MediaPipeline): @classmethod def _from_settings(cls, settings: Settings, crawler: Crawler | None) -> Self: + cls._update_stores(settings) + store_uri = settings["FILES_STORE"] + if "crawler" in get_func_args(cls.__init__): + o = cls(store_uri, crawler=crawler) + else: + o = cls(store_uri, settings=settings) + if crawler: + o._finish_init(crawler) + warnings.warn( + f"{cls.__qualname__}.__init__() doesn't take a crawler argument." + " This is deprecated and the argument will be required in future Scrapy versions.", + category=ScrapyDeprecationWarning, + ) + return o + + @classmethod + def _update_stores(cls, settings: BaseSettings) -> None: s3store: type[S3FilesStore] = cast(type[S3FilesStore], cls.STORE_SCHEMES["s3"]) s3store.AWS_ACCESS_KEY_ID = settings["AWS_ACCESS_KEY_ID"] s3store.AWS_SECRET_ACCESS_KEY = settings["AWS_SECRET_ACCESS_KEY"] @@ -536,20 +553,6 @@ class FilesPipeline(MediaPipeline): ftp_store.FTP_PASSWORD = settings["FTP_PASSWORD"] ftp_store.USE_ACTIVE_MODE = settings.getbool("FEED_STORAGE_FTP_ACTIVE") - store_uri = settings["FILES_STORE"] - if "crawler" in get_func_args(cls.__init__): - o = cls(store_uri, crawler=crawler) - else: - o = cls(store_uri, settings=settings) - if crawler: - o._finish_init(crawler) - warnings.warn( - f"{cls.__qualname__}.__init__() doesn't take a crawler argument." - " This is deprecated and the argument will be required in future Scrapy versions.", - category=ScrapyDeprecationWarning, - ) - return o - def _get_store(self, uri: str) -> FilesStoreProtocol: if Path(uri).is_absolute(): # to support win32 paths like: C:\\some\dir scheme = "file" diff --git a/scrapy/pipelines/images.py b/scrapy/pipelines/images.py index fa26133bb..7defafb26 100644 --- a/scrapy/pipelines/images.py +++ b/scrapy/pipelines/images.py @@ -11,21 +11,14 @@ import hashlib import warnings from contextlib import suppress from io import BytesIO -from typing import TYPE_CHECKING, Any, cast +from typing import TYPE_CHECKING, Any from itemadapter import ItemAdapter from scrapy.exceptions import NotConfigured, ScrapyDeprecationWarning from scrapy.http import Request, Response from scrapy.http.request import NO_CALLBACK -from scrapy.pipelines.files import ( - FileException, - FilesPipeline, - FTPFilesStore, - GCSFilesStore, - S3FilesStore, - _md5sum, -) +from scrapy.pipelines.files import FileException, FilesPipeline, _md5sum from scrapy.settings import Settings from scrapy.utils.python import get_func_args, to_bytes @@ -128,29 +121,7 @@ class ImagesPipeline(FilesPipeline): @classmethod def _from_settings(cls, settings: Settings, crawler: Crawler | None) -> Self: - s3store: type[S3FilesStore] = cast(type[S3FilesStore], cls.STORE_SCHEMES["s3"]) - s3store.AWS_ACCESS_KEY_ID = settings["AWS_ACCESS_KEY_ID"] - s3store.AWS_SECRET_ACCESS_KEY = settings["AWS_SECRET_ACCESS_KEY"] - s3store.AWS_SESSION_TOKEN = settings["AWS_SESSION_TOKEN"] - s3store.AWS_ENDPOINT_URL = settings["AWS_ENDPOINT_URL"] - s3store.AWS_REGION_NAME = settings["AWS_REGION_NAME"] - s3store.AWS_USE_SSL = settings["AWS_USE_SSL"] - s3store.AWS_VERIFY = settings["AWS_VERIFY"] - s3store.POLICY = settings["IMAGES_STORE_S3_ACL"] - - gcs_store: type[GCSFilesStore] = cast( - type[GCSFilesStore], cls.STORE_SCHEMES["gs"] - ) - gcs_store.GCS_PROJECT_ID = settings["GCS_PROJECT_ID"] - gcs_store.POLICY = settings["IMAGES_STORE_GCS_ACL"] or None - - ftp_store: type[FTPFilesStore] = cast( - type[FTPFilesStore], cls.STORE_SCHEMES["ftp"] - ) - ftp_store.FTP_USERNAME = settings["FTP_USER"] - ftp_store.FTP_PASSWORD = settings["FTP_PASSWORD"] - ftp_store.USE_ACTIVE_MODE = settings.getbool("FEED_STORAGE_FTP_ACTIVE") - + cls._update_stores(settings) store_uri = settings["IMAGES_STORE"] if "crawler" in get_func_args(cls.__init__): o = cls(store_uri, crawler=crawler) From 929d665a74333434c9cede7133ea4f0707dbf9a6 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 14 Nov 2024 19:35:56 +0500 Subject: [PATCH 315/786] Address PR feedback. --- scrapy/middleware.py | 8 -------- scrapy/pipelines/files.py | 8 ++++---- scrapy/pipelines/images.py | 6 +++--- scrapy/pipelines/media.py | 8 ++++---- 4 files changed, 11 insertions(+), 19 deletions(-) diff --git a/scrapy/middleware.py b/scrapy/middleware.py index 91411506f..2b67dcd21 100644 --- a/scrapy/middleware.py +++ b/scrapy/middleware.py @@ -54,14 +54,6 @@ class MiddlewareManager: @staticmethod def _build_from_settings(objcls: type[_T], settings: BaseSettings) -> _T: if hasattr(objcls, "from_settings"): - warnings.warn( - f"{objcls.__qualname__} has from_settings() but not from_crawler()." - " This is deprecated and calling from_settings() will be removed in a future" - " Scrapy version. You can implement a simple from_crawler() that calls" - " from_settings() with crawler.settings.", - category=ScrapyDeprecationWarning, - stacklevel=2, - ) instance = objcls.from_settings(settings) # type: ignore[attr-defined] method_name = "from_settings" else: diff --git a/scrapy/pipelines/files.py b/scrapy/pipelines/files.py index 065d822f3..196b54acb 100644 --- a/scrapy/pipelines/files.py +++ b/scrapy/pipelines/files.py @@ -35,7 +35,7 @@ from scrapy.utils.datatypes import CaseInsensitiveDict from scrapy.utils.deprecate import method_is_overridden from scrapy.utils.ftp import ftp_store_file from scrapy.utils.log import failure_to_exc_info -from scrapy.utils.python import get_func_args, to_bytes +from scrapy.utils.python import get_func_args, global_object_name, to_bytes from scrapy.utils.request import referer_str if TYPE_CHECKING: @@ -457,7 +457,7 @@ class FilesPipeline(MediaPipeline): if settings is not None: warnings.warn( f"FilesPipeline.__init__() was called with a crawler instance and a settings instance" - f" when creating {self.__class__.__qualname__}. The settings instance will be ignored" + f" when creating {global_object_name(self.__class__)}. The settings instance will be ignored" f" and crawler.settings will be used. The settings argument will be removed in a future Scrapy version.", category=ScrapyDeprecationWarning, stacklevel=2, @@ -501,7 +501,7 @@ class FilesPipeline(MediaPipeline): def from_crawler(cls, crawler: Crawler) -> Self: if method_is_overridden(cls, FilesPipeline, "from_settings"): warnings.warn( - f"{cls.__name__} overrides FilesPipeline.from_settings()." + f"{global_object_name(cls)} overrides FilesPipeline.from_settings()." f" This method is deprecated and won't be called in future Scrapy versions," f" please update your code so that it overrides from_crawler() instead.", category=ScrapyDeprecationWarning, @@ -522,7 +522,7 @@ class FilesPipeline(MediaPipeline): if crawler: o._finish_init(crawler) warnings.warn( - f"{cls.__qualname__}.__init__() doesn't take a crawler argument." + f"{global_object_name(cls)}.__init__() doesn't take a crawler argument." " This is deprecated and the argument will be required in future Scrapy versions.", category=ScrapyDeprecationWarning, ) diff --git a/scrapy/pipelines/images.py b/scrapy/pipelines/images.py index 7defafb26..e86e7c493 100644 --- a/scrapy/pipelines/images.py +++ b/scrapy/pipelines/images.py @@ -20,7 +20,7 @@ from scrapy.http import Request, Response from scrapy.http.request import NO_CALLBACK from scrapy.pipelines.files import FileException, FilesPipeline, _md5sum from scrapy.settings import Settings -from scrapy.utils.python import get_func_args, to_bytes +from scrapy.utils.python import get_func_args, global_object_name, to_bytes if TYPE_CHECKING: from collections.abc import Callable, Iterable @@ -82,7 +82,7 @@ class ImagesPipeline(FilesPipeline): if settings is not None: warnings.warn( f"ImagesPipeline.__init__() was called with a crawler instance and a settings instance" - f" when creating {self.__class__.__qualname__}. The settings instance will be ignored" + f" when creating {global_object_name(self.__class__)}. The settings instance will be ignored" f" and crawler.settings will be used. The settings argument will be removed in a future Scrapy version.", category=ScrapyDeprecationWarning, stacklevel=2, @@ -130,7 +130,7 @@ class ImagesPipeline(FilesPipeline): if crawler: o._finish_init(crawler) warnings.warn( - f"{cls.__qualname__}.__init__() doesn't take a crawler argument." + f"{global_object_name(cls)}.__init__() doesn't take a crawler argument." " This is deprecated and the argument will be required in future Scrapy versions.", category=ScrapyDeprecationWarning, ) diff --git a/scrapy/pipelines/media.py b/scrapy/pipelines/media.py index 70c52d090..6d7808c31 100644 --- a/scrapy/pipelines/media.py +++ b/scrapy/pipelines/media.py @@ -28,7 +28,7 @@ from scrapy.utils.datatypes import SequenceExclude from scrapy.utils.defer import defer_result, mustbe_deferred from scrapy.utils.log import failure_to_exc_info from scrapy.utils.misc import arg_to_iter -from scrapy.utils.python import get_func_args +from scrapy.utils.python import get_func_args, global_object_name if TYPE_CHECKING: from collections.abc import Callable @@ -85,7 +85,7 @@ class MediaPipeline(ABC): if settings is not None: warnings.warn( f"MediaPipeline.__init__() was called with a crawler instance and a settings instance" - f" when creating {self.__class__.__qualname__}. The settings instance will be ignored" + f" when creating {global_object_name(self.__class__)}. The settings instance will be ignored" f" and crawler.settings will be used. The settings argument will be removed in a future Scrapy version.", category=ScrapyDeprecationWarning, stacklevel=2, @@ -107,7 +107,7 @@ class MediaPipeline(ABC): else: warnings.warn( f"MediaPipeline.__init__() was called without the crawler argument" - f" when creating {self.__class__.__qualname__}." + f" when creating {global_object_name(self.__class__)}." f" This is deprecated and the argument will be required in future Scrapy versions.", category=ScrapyDeprecationWarning, stacklevel=2, @@ -154,7 +154,7 @@ class MediaPipeline(ABC): else: pipe = cls() warnings.warn( - f"{cls.__qualname__}.__init__() doesn't take a crawler argument." + f"{global_object_name(cls)}.__init__() doesn't take a crawler argument." " This is deprecated and the argument will be required in future Scrapy versions.", category=ScrapyDeprecationWarning, ) From bfcee452b0f90dc3c642604bb77cd37f22ac0af1 Mon Sep 17 00:00:00 2001 From: Nicholas Laustrup <124007393+nicklaustrup@users.noreply.github.com> Date: Thu, 14 Nov 2024 10:40:12 -0800 Subject: [PATCH 316/786] Added failing test cases to tests/test_contracts.py and fixed corresponding methods + removed pylint comments --- scrapy/contracts/__init__.py | 22 +++++--------- tests/test_contracts.py | 58 ++++++++++++++++++++++++++++++++++++ 2 files changed, 65 insertions(+), 15 deletions(-) diff --git a/scrapy/contracts/__init__.py b/scrapy/contracts/__init__.py index 9071395e3..3b4f932a0 100644 --- a/scrapy/contracts/__init__.py +++ b/scrapy/contracts/__init__.py @@ -38,9 +38,7 @@ class Contract: assert cb is not None @wraps(cb) - def wrapper( # pylint: disable=inconsistent-return-statements - response: Response, **cb_kwargs: Any - ) -> list[Any]: + def wrapper(response: Response, **cb_kwargs: Any) -> list[Any]: try: results.startTest(self.testcase_pre) self.pre_process(response) @@ -51,13 +49,10 @@ class Contract: results.addError(self.testcase_pre, sys.exc_info()) else: results.addSuccess(self.testcase_pre) - finally: - cb_result = cb(response, **cb_kwargs) - if isinstance(cb_result, (AsyncGenerator, CoroutineType)): - raise TypeError("Contracts don't support async callbacks") - return list( # pylint: disable=return-in-finally - cast(Iterable[Any], iterate_spider_output(cb_result)) - ) + cb_result = cb(response, **cb_kwargs) + if isinstance(cb_result, (AsyncGenerator, CoroutineType)): + raise TypeError("Contracts don't support async callbacks") + return list(cast(Iterable[Any], iterate_spider_output(cb_result))) request.callback = wrapper @@ -69,9 +64,7 @@ class Contract: assert cb is not None @wraps(cb) - def wrapper( # pylint: disable=inconsistent-return-statements - response: Response, **cb_kwargs: Any - ) -> list[Any]: + def wrapper(response: Response, **cb_kwargs: Any) -> list[Any]: cb_result = cb(response, **cb_kwargs) if isinstance(cb_result, (AsyncGenerator, CoroutineType)): raise TypeError("Contracts don't support async callbacks") @@ -86,8 +79,7 @@ class Contract: results.addError(self.testcase_post, sys.exc_info()) else: results.addSuccess(self.testcase_post) - finally: - return output # pylint: disable=return-in-finally + return output request.callback = wrapper diff --git a/tests/test_contracts.py b/tests/test_contracts.py index d578b3af4..b0cb92d12 100644 --- a/tests/test_contracts.py +++ b/tests/test_contracts.py @@ -556,3 +556,61 @@ class ContractsManagerTest(unittest.TestCase): requests = self.conman.from_spider(spider, self.results) self.assertTrue(requests) + + +class CustomFailContractPreProcess(Contract): + name = "test_contract" + + def pre_process(self, response): + raise KeyboardInterrupt("Pre-process exception") + + +class CustomFailContractPostProcess(Contract): + name = "test_contract" + + def post_process(self, response): + raise KeyboardInterrupt("Post-process exception") + + +class CustomContractPrePostProcess(unittest.TestCase): + + def setUp(self): + self.results = TextTestResult(stream=None, descriptions=False, verbosity=0) + + def test_pre_hook_keyboard_interrupt(self): + spider = TestSpider() + response = ResponseMock() + contract = CustomFailContractPreProcess(spider.returns_request) + conman = ContractsManager([contract]) + + try: + request = conman.from_method(spider.returns_request, self.results) + contract.add_pre_hook(request, self.results) + # Expect this to raise a KeyboardInterrupt + request.callback(response, **request.cb_kwargs) + except KeyboardInterrupt as e: + self.assertEqual(str(e), "Pre-process exception") + else: + self.fail("KeyboardInterrupt not raised") + + self.assertFalse(self.results.failures) + self.assertFalse(self.results.errors) + + def test_post_hook_keyboard_interrupt(self): + spider = TestSpider() + response = ResponseMock() + contract = CustomFailContractPostProcess(spider.returns_request) + conman = ContractsManager([contract]) + + try: + request = conman.from_method(spider.returns_request, self.results) + contract.add_post_hook(request, self.results) + # Expect this to raise a KeyboardInterrupt + request.callback(response, **request.cb_kwargs) + except KeyboardInterrupt as e: + self.assertEqual(str(e), "Post-process exception") + else: + self.fail("KeyboardInterrupt not raised") + + self.assertFalse(self.results.failures) + self.assertFalse(self.results.errors) From dc4d6d16ead45932a564ea37eef03da92714f5cf Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Daniel=20Gra=C3=B1a?= <dangra@gmail.com> Date: Fri, 15 Nov 2024 00:09:00 -0300 Subject: [PATCH 317/786] Verified PyPI releases (a.k.a. PEP740) --- .github/workflows/publish.yml | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml index 2cd556516..8e01ffd88 100644 --- a/.github/workflows/publish.yml +++ b/.github/workflows/publish.yml @@ -10,16 +10,20 @@ concurrency: jobs: publish: + name: Upload release to PyPI runs-on: ubuntu-latest + environment: + name: pypi + url: https://pypi.org/p/Scrapy + permissions: + id-token: write steps: - uses: actions/checkout@v4 - uses: actions/setup-python@v5 with: python-version: "3.13" - run: | - pip install --upgrade build twine + python -m pip install --upgrade build python -m build - name: Publish to PyPI - uses: pypa/gh-action-pypi-publish@v1.10.3 - with: - password: ${{ secrets.PYPI_TOKEN }} + uses: pypa/gh-action-pypi-publish@release/v1 From feea3a0f67f8e6f32ae6452f485709db16146c5e Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Fri, 15 Nov 2024 21:08:18 +0500 Subject: [PATCH 318/786] Commit mitmproxy-dhparam.pem. --- tests/keys/mitmproxy-dhparam.pem | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 tests/keys/mitmproxy-dhparam.pem diff --git a/tests/keys/mitmproxy-dhparam.pem b/tests/keys/mitmproxy-dhparam.pem new file mode 100644 index 000000000..c10121fbf --- /dev/null +++ b/tests/keys/mitmproxy-dhparam.pem @@ -0,0 +1,14 @@ + +-----BEGIN DH PARAMETERS----- +MIICCAKCAgEAyT6LzpwVFS3gryIo29J5icvgxCnCebcdSe/NHMkD8dKJf8suFCg3 +O2+dguLakSVif/t6dhImxInJk230HmfC8q93hdcg/j8rLGJYDKu3ik6H//BAHKIv +j5O9yjU3rXCfmVJQic2Nne39sg3CreAepEts2TvYHhVv3TEAzEqCtOuTjgDv0ntJ +Gwpj+BJBRQGG9NvprX1YGJ7WOFBP/hWU7d6tgvE6Xa7T/u9QIKpYHMIkcN/l3ZFB +chZEqVlyrcngtSXCROTPcDOQ6Q8QzhaBJS+Z6rcsd7X+haiQqvoFcmaJ08Ks6LQC +ZIL2EtYJw8V8z7C0igVEBIADZBI6OTbuuhDwRw//zU1uq52Oc48CIZlGxTYG/Evq +o9EWAXUYVzWkDSTeBH1r4z/qLPE2cnhtMxbFxuvK53jGB0emy2y1Ei6IhKshJ5qX +IB/aE7SSHyQ3MDHHkCmQJCsOd4Mo26YX61NZ+n501XjqpCBQ2+DfZCBh8Va2wDyv +A2Ryg9SUz8j0AXViRNMJgJrr446yro/FuJZwnQcO3WQnXeqSBnURqKjmqkeFP+d8 +6mk2tqJaY507lRNqtGlLnj7f5RNoBFJDCLBNurVgfvq9TCVWKDIFD4vZRjCrnl6I +rD693XKIHUCWOjMh1if6omGXKHH40QuME2gNa50+YPn1iYDl88uDbbMCAQI= +-----END DH PARAMETERS----- From 10089c6fe2028b879f9f60e9598fa580ef6a3e33 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= <adrian@chaves.io> Date: Mon, 18 Nov 2024 09:07:32 +0100 Subject: [PATCH 319/786] 2.12 release notes (#6226) * Cover 2.12 in the release notes up to 9bb973dc54766a0f8d10eca0947d11f195c1a1be * Add one more highlight * Better merge of the news entries. * Cover 2.12 in the release notes up to 642af40. * Cover 2.12 in the release notes up to 7a0a34b. * Cover 2.12 in the release notes up to b4bad97. * Add not yet merged PRs #6463, #6507, #6511 to the 2.12 release notes. * Cover 2.12 in the release notes up to d85c39f, small fixes. * Cover 2.12 in the release notes up to d215669. * Cover #6527 in the release notes. * Address PR feedback. * Cover recent PRs. * Finalize the 2.12.0 release notes, small additional fixes. --------- Co-authored-by: Andrey Rakhmatullin <wrar@wrar.name> --- docs/news.rst | 550 +++++++++++++++++++++++++- docs/topics/addons.rst | 7 +- docs/topics/api.rst | 4 +- docs/topics/components.rst | 16 +- docs/topics/downloader-middleware.rst | 4 - docs/topics/spider-middleware.rst | 2 +- scrapy/crawler.py | 42 ++ scrapy/extensions/feedexport.py | 6 +- scrapy/pipelines/media.py | 14 +- scrapy/utils/misc.py | 2 + scrapy/utils/python.py | 3 +- tests/test_pipeline_media.py | 29 +- 12 files changed, 647 insertions(+), 32 deletions(-) diff --git a/docs/news.rst b/docs/news.rst index 3c9e58cca..025eb09ba 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -3,23 +3,555 @@ Release notes ============= -.. _release-VERSION: +.. _release-2.12.0: -Scrapy VERSION (YYYY-MM-DD) ---------------------------- +Scrapy 2.12.0 (2024-11-18) +-------------------------- -New features -~~~~~~~~~~~~ +Highlights: -- If :setting:`SPIDER_LOADER_WARN_ONLY` is set to ``True``, - ``SpiderLoader`` does not raise :exc:`SyntaxError` but emits a warning instead. +- Dropped support for Python 3.8, added support for Python 3.13 + +- :meth:`~scrapy.Spider.start_requests` can now yield items + +- Added :class:`~scrapy.http.JsonResponse` + +- Added :setting:`CLOSESPIDER_PAGECOUNT_NO_ITEM` + +Modified requirements +~~~~~~~~~~~~~~~~~~~~~ + +- Dropped support for Python 3.8. + (:issue:`6466`, :issue:`6472`) + +- Added support for Python 3.13. + (:issue:`6166`) + +- Minimum versions increased for these dependencies: + + - Twisted_: 18.9.0 → 21.7.0 + + - cryptography_: 36.0.0 → 37.0.0 + + - pyOpenSSL_: 21.0.0 → 22.0.0 + + - lxml_: 4.4.1 → 4.6.0 + +- Removed ``setuptools`` from the dependency list. + (:issue:`6487`) + +Backward-incompatible changes +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +- User-defined cookies for HTTPS requests will have the ``secure`` flag set + to ``True`` unless it's set to ``False`` explictly. This is important when + these cookies are reused in HTTP requests, e.g. after a redirect to an HTTP + URL. + (:issue:`6357`) + +- The Reppy-based ``robots.txt`` parser, + ``scrapy.robotstxt.ReppyRobotParser``, was removed, as it doesn't support + Python 3.9+. + (:issue:`5230`, :issue:`6099`, :issue:`6499`) + +- The initialization API of :class:`scrapy.pipelines.media.MediaPipeline` and + its subclasses was improved and it's possible that some previously working + usage scenarios will no longer work. It can only affect you if you define + custom subclasses of ``MediaPipeline`` or create instances of these + pipelines via ``from_settings()`` or ``__init__()`` calls instead of + ``from_crawler()`` calls. + + Previously, ``MediaPipeline.from_crawler()`` called the ``from_settings()`` + method if it existed or the ``__init__()`` method otherwise, and then did + some additional initialization using the ``crawler`` instance. If the + ``from_settings()`` method existed (like in ``FilesPipeline``) it called + ``__init__()`` to create the instance. It wasn't possible to override + ``from_crawler()`` without calling ``MediaPipeline.from_crawler()`` from it + which, in turn, couldn't be called in some cases (including subclasses of + ``FilesPipeline``). + + Now, in line with the general usage of ``from_crawler()`` and + ``from_settings()`` and the deprecation of the latter the recommended + initialization order is the following one: + + - All ``__init__()`` methods should take a ``crawler`` argument. If they + also take a ``settings`` argument they should ignore it, using + ``crawler.settings`` instead. When they call ``__init__()`` of the base + class they should pass the ``crawler`` argument to it too. + - A ``from_settings()`` method shouldn't be defined. Class-specific + initialization code should go into either an overriden ``from_crawler()`` + method or into ``__init__()``. + - It's now possible to override ``from_crawler()`` and it's not necessary + to call ``MediaPipeline.from_crawler()`` in it if other recommendations + were followed. + - If pipeline instances were created with ``from_settings()`` or + ``__init__()`` calls (which wasn't supported even before, as it missed + important initialization code), they should now be created with + ``from_crawler()`` calls. + + (:issue:`6540`) + +- The ``response_body`` argument of :meth:`ImagesPipeline.convert_image + <scrapy.pipelines.images.ImagesPipeline.convert_image>` is now + positional-only, as it was changed from optional to required. + (:issue:`6500`) + +- The ``convert`` argument of :func:`scrapy.utils.conf.build_component_list` + is now positional-only, as the preceding argument (``custom``) was removed. + (:issue:`6500`) + +- The ``overwrite_output`` argument of + :func:`scrapy.utils.conf.feed_process_params_from_cli` is now + positional-only, as the preceding argument (``output_format``) was removed. + (:issue:`6500`) + +Deprecation removals +~~~~~~~~~~~~~~~~~~~~ + +- Removed the ``scrapy.utils.request.request_fingerprint()`` function, + deprecated in Scrapy 2.7.0. + (:issue:`6212`, :issue:`6213`) + +- Removed support for value ``"2.6"`` of setting + ``REQUEST_FINGERPRINTER_IMPLEMENTATION``, deprecated in Scrapy 2.7.0. + (:issue:`6212`, :issue:`6213`) + +- :class:`~scrapy.dupefilters.RFPDupeFilter` subclasses now require + supporting the ``fingerprinter`` parameter in their ``__init__`` method, + introduced in Scrapy 2.7.0. + (:issue:`6102`, :issue:`6113`) + +- Removed the ``scrapy.downloadermiddlewares.decompression`` module, + deprecated in Scrapy 2.7.0. + (:issue:`6100`, :issue:`6113`) + +- Removed the ``scrapy.utils.response.response_httprepr()`` function, + deprecated in Scrapy 2.6.0. + (:issue:`6111`, :issue:`6116`) + +- Spiders with spider-level HTTP authentication, i.e. with the ``http_user`` + or ``http_pass`` attributes, must now define ``http_auth_domain`` as well, + which was introduced in Scrapy 2.5.1. + (:issue:`6103`, :issue:`6113`) + +- :ref:`Media pipelines <topics-media-pipeline>` methods ``file_path()``, + ``file_downloaded()``, ``get_images()``, ``image_downloaded()``, + ``media_downloaded()``, ``media_to_download()``, and ``thumb_path()`` must + now support an ``item`` parameter, added in Scrapy 2.4.0. + (:issue:`6107`, :issue:`6113`) + +- The ``__init__()`` and ``from_crawler()`` methods of :ref:`feed storage + backend classes <topics-feed-storage>` must now support the keyword-only + ``feed_options`` parameter, introduced in Scrapy 2.4.0. + (:issue:`6105`, :issue:`6113`) + +- Removed the ``scrapy.loader.common`` and ``scrapy.loader.processors`` + modules, deprecated in Scrapy 2.3.0. + (:issue:`6106`, :issue:`6113`) + +- Removed the ``scrapy.utils.misc.extract_regex()`` function, deprecated in + Scrapy 2.3.0. + (:issue:`6106`, :issue:`6113`) + +- Removed the ``scrapy.http.JSONRequest`` class, replaced with + ``JsonRequest`` in Scrapy 1.8.0. + (:issue:`6110`, :issue:`6113`) + +- ``scrapy.utils.log.logformatter_adapter`` no longer supports missing + ``args``, ``level``, or ``msg`` parameters, and no longer supports a + ``format`` parameter, all scenarios that were deprecated in Scrapy 1.0.0. + (:issue:`6109`, :issue:`6116`) + +- A custom class assigned to the :setting:`SPIDER_LOADER_CLASS` setting that + does not implement the :class:`~scrapy.interfaces.ISpiderLoader` interface + will now raise a :exc:`zope.interface.verify.DoesNotImplement` exception at + run time. Non-compliant classes have been triggering a deprecation warning + since Scrapy 1.0.0. + (:issue:`6101`, :issue:`6113`) + +- Removed the ``--output-format``/``-t`` command line option, deprecated in + Scrapy 2.1.0. ``-O <URI>:<FORMAT>`` should be used instead. + (:issue:`6500`) + +- Running :meth:`~scrapy.crawler.Crawler.crawl` more than once on the same + :class:`~scrapy.crawler.Crawler` instance, deprecated in Scrapy 2.11.0, now + raises an exception. + (:issue:`6500`) + +- Subclassing + :class:`~scrapy.downloadermiddlewares.httpcompression.HttpCompressionMiddleware` + without support for the ``crawler`` argument in ``__init__()`` and without + a custom ``from_crawler()`` method, deprecated in Scrapy 2.5.0, is no + longer allowed. + (:issue:`6500`) + +- Removed the ``EXCEPTIONS_TO_RETRY`` attribute of + :class:`~scrapy.downloadermiddlewares.retry.RetryMiddleware`, deprecated in + Scrapy 2.10.0. + (:issue:`6500`) + +- Removed support for :ref:`S3 feed exports <topics-feed-storage-s3>` without + the boto3_ package installed, deprecated in Scrapy 2.10.0. + (:issue:`6500`) + +- Removed the ``scrapy.extensions.feedexport._FeedSlot`` class, deprecated in + Scrapy 2.10.0. + (:issue:`6500`) + +- Removed the ``scrapy.pipelines.images.NoimagesDrop`` exception, deprecated + in Scrapy 2.8.0. + (:issue:`6500`) + +- The ``response_body`` argument of :meth:`ImagesPipeline.convert_image + <scrapy.pipelines.images.ImagesPipeline.convert_image>` is now required, + not passing it was deprecated in Scrapy 2.8.0. + (:issue:`6500`) + +- Removed the ``custom`` argument of + :func:`scrapy.utils.conf.build_component_list`, deprecated in Scrapy + 2.10.0. + (:issue:`6500`) + +- Removed the ``scrapy.utils.reactor.get_asyncio_event_loop_policy()`` + function, deprecated in Scrapy 2.9.0. Use :func:`asyncio.get_event_loop` + and related standard library functions instead. + (:issue:`6500`) Deprecations ~~~~~~~~~~~~ -- :meth:`scrapy.core.downloader.Downloader._get_slot_key` is deprecated, use +- The ``from_settings()`` methods of the :ref:`Scrapy components + <topics-components>` that have them are now deprecated. ``from_crawler()`` + should now be used instead. Affected components: + + - :class:`scrapy.dupefilters.RFPDupeFilter` + - :class:`scrapy.mail.MailSender` + - :class:`scrapy.middleware.MiddlewareManager` + - :class:`scrapy.core.downloader.contextfactory.ScrapyClientContextFactory` + - :class:`scrapy.pipelines.files.FilesPipeline` + - :class:`scrapy.pipelines.images.ImagesPipeline` + - :class:`scrapy.spidermiddlewares.urllength.UrlLengthMiddleware` + + (:issue:`6540`) + +- It's now deprecated to have a ``from_settings()`` method but no + ``from_crawler()`` method in 3rd-party :ref:`Scrapy components + <topics-components>`. You can define a simple ``from_crawler()`` method + that calls ``cls.from_settings(crawler.settings)`` to fix this if you don't + want to refactor the code. Note that if you have a ``from_crawler()`` + method Scrapy will not call the ``from_settings()`` method so the latter + can be removed. + (:issue:`6540`) + +- The initialization API of :class:`scrapy.pipelines.media.MediaPipeline` and + its subclasses was improved and some old usage scenarios are now deprecated + (see also the "Backward-incompatible changes" section). Specifically: + + - It's deprecated to define an ``__init__()`` method that doesn't take a + ``crawler`` argument. + - It's deprecated to call an ``__init__()`` method without passing a + ``crawler`` argument. If it's passed, it's also deprecated to pass a + ``settings`` argument, which will be ignored anyway. + - Calling ``from_settings()`` is deprecated, use ``from_crawler()`` + instead. + - Overriding ``from_settings()`` is deprecated, override ``from_crawler()`` + instead. + + (:issue:`6540`) + +- The ``REQUEST_FINGERPRINTER_IMPLEMENTATION`` setting is now deprecated. + (:issue:`6212`, :issue:`6213`) + +- The ``scrapy.utils.misc.create_instance()`` function is now deprecated, use + :func:`scrapy.utils.misc.build_from_crawler` instead. + (:issue:`5523`, :issue:`5884`, :issue:`6162`, :issue:`6169`, :issue:`6540`) + +- ``scrapy.core.downloader.Downloader._get_slot_key()`` is deprecated, use :meth:`scrapy.core.downloader.Downloader.get_slot_key` instead. - (:issue:`6340`) + (:issue:`6340`, :issue:`6352`) + +- ``scrapy.utils.defer.process_chain_both()`` is now deprecated. + (:issue:`6397`) + +- ``scrapy.twisted_version`` is now deprecated, you should instead use + :attr:`twisted.version` directly (but note that it's an + ``incremental.Version`` object, not a tuple). + (:issue:`6509`, :issue:`6512`) + +- ``scrapy.utils.python.flatten()`` and ``scrapy.utils.python.iflatten()`` + are now deprecated. + (:issue:`6517`, :issue:`6519`) + +- ``scrapy.utils.python.equal_attributes()`` is now deprecated. + (:issue:`6517`, :issue:`6519`) + +- ``scrapy.utils.request.request_authenticate()`` is now deprecated, you + should instead just set the ``Authorization`` header directly. + (:issue:`6517`, :issue:`6519`) + +- ``scrapy.utils.serialize.ScrapyJSONDecoder`` is now deprecated, it didn't + contain any code since Scrapy 1.0.0. + (:issue:`6517`, :issue:`6519`) + +- ``scrapy.utils.test.assert_samelines()`` is now deprecated. + (:issue:`6517`, :issue:`6519`) + +- ``scrapy.extensions.feedexport.build_storage()`` is now deprecated. You can + instead call the builder callable directly. + (:issue:`6540`) + +New features +~~~~~~~~~~~~ + +- :meth:`~scrapy.Spider.start_requests` can now yield items. + (:issue:`5289`, :issue:`6417`) + +- Added a new :class:`~scrapy.http.Response` subclass, + :class:`~scrapy.http.JsonResponse`, for responses with a `JSON MIME type + <https://mimesniff.spec.whatwg.org/#json-mime-type>`_. + (:issue:`6069`, :issue:`6171`, :issue:`6174`) + +- The :class:`~scrapy.extensions.logstats.LogStats` extension now adds + ``items_per_minute`` and ``responses_per_minute`` to the :ref:`stats + <topics-stats>` when the spider closes. + (:issue:`4110`, :issue:`4111`) + +- Added :setting:`CLOSESPIDER_PAGECOUNT_NO_ITEM` which allows closing the + spider if no items were scraped in a set amount of time. + (:issue:`6434`) + +- User-defined cookies can now include the ``secure`` field. + (:issue:`6357`) + +- Added component getters to :class:`~scrapy.crawler.Crawler`: + :meth:`~scrapy.crawler.Crawler.get_addon`, + :meth:`~scrapy.crawler.Crawler.get_downloader_middleware`, + :meth:`~scrapy.crawler.Crawler.get_extension`, + :meth:`~scrapy.crawler.Crawler.get_item_pipeline`, + :meth:`~scrapy.crawler.Crawler.get_spider_middleware`. + (:issue:`6181`) + +- Slot delay updates by the :ref:`AutoThrottle extension + <topics-autothrottle>` based on response latencies can now be disabled for + specific requests via the :reqmeta:`autothrottle_dont_adjust_delay` meta + key. + (:issue:`6246`, :issue:`6527`) + +- If :setting:`SPIDER_LOADER_WARN_ONLY` is set to ``True``, + :class:`~scrapy.spiderloader.SpiderLoader` does not raise + :exc:`SyntaxError` but emits a warning instead. + (:issue:`6483`, :issue:`6484`) + +- Added support for multiple-compressed responses (ones with several + encodings in the ``Content-Encoding`` header). + (:issue:`5143`, :issue:`5964`, :issue:`6063`) + +- Added support for multiple standard values in :setting:`REFERRER_POLICY`. + (:issue:`6381`) + +- Added support for brotlicffi_ (previously named brotlipy_). brotli_ is + still recommended but only brotlicffi_ works on PyPy. + (:issue:`6263`, :issue:`6269`) + + .. _brotlicffi: https://github.com/python-hyper/brotlicffi + +- Added :class:`~scrapy.contracts.default.MetadataContract` that sets the + request meta. + (:issue:`6468`, :issue:`6469`) + +Improvements +~~~~~~~~~~~~ + +- Extended the list of file extensions that + :class:`LinkExtractor <scrapy.linkextractors.lxmlhtml.LxmlLinkExtractor>` + ignores by default. + (:issue:`6074`, :issue:`6125`) + +- :func:`scrapy.utils.httpobj.urlparse_cached` is now used in more places + instead of :func:`urllib.parse.urlparse`. + (:issue:`6228`, :issue:`6229`) + +Bug fixes +~~~~~~~~~ + +- :class:`~scrapy.pipelines.media.MediaPipeline` is now an abstract class and + its methods that were expected to be overridden in subclasses are now + abstract methods. + (:issue:`6365`, :issue:`6368`) + +- Fixed handling of invalid ``@``-prefixed lines in contract extraction. + (:issue:`6383`, :issue:`6388`) + +- Importing ``scrapy.extensions.telnet`` no longer installs the default + reactor. + (:issue:`6432``) + +- Reduced log verbosity for dropped requests that was increased in 2.11.2. + (:issue:`6433`, :issue:`6475`) + +Documentation +~~~~~~~~~~~~~ + +- Added ``SECURITY.md`` that documents the security policy. + (:issue:`5364`, :issue:`6051`) + +- Example code for :ref:`running Scrapy from a script <run-from-script>` no + longer imports ``twisted.internet.reactor`` at the top level, which caused + problems with non-default reactors when this code was used unmodified. + (:issue:`6361`, :issue:`6374`) + +- Documented the :class:`~scrapy.extensions.spiderstate.SpiderState` + extension. + (:issue:`6278`, :issue:`6522`) + +- Other documentation improvements and fixes. + (:issue:`5920`, + :issue:`6094`, + :issue:`6177`, + :issue:`6200`, + :issue:`6207`, + :issue:`6216`, + :issue:`6223`, + :issue:`6317`, + :issue:`6328`, + :issue:`6389`, + :issue:`6394`, + :issue:`6402`, + :issue:`6411`, + :issue:`6427`, + :issue:`6429`, + :issue:`6440`, + :issue:`6448`, + :issue:`6449`, + :issue:`6462`, + :issue:`6497`, + :issue:`6506`, + :issue:`6507`, + :issue:`6524`) + +Quality assurance +~~~~~~~~~~~~~~~~~ + +- Added ``py.typed``, in line with `PEP 561 + <https://peps.python.org/pep-0561/>`_. + (:issue:`6058`, :issue:`6059`) + +- Fully covered the code with type hints (except for the most complicated + parts, mostly related to ``twisted.web.http`` and other Twisted parts + without type hints). + (:issue:`5989`, + :issue:`6097`, + :issue:`6127`, + :issue:`6129`, + :issue:`6130`, + :issue:`6133`, + :issue:`6143`, + :issue:`6191`, + :issue:`6268`, + :issue:`6274`, + :issue:`6275`, + :issue:`6276`, + :issue:`6279`, + :issue:`6325`, + :issue:`6326`, + :issue:`6333`, + :issue:`6335`, + :issue:`6336`, + :issue:`6337`, + :issue:`6341`, + :issue:`6353`, + :issue:`6356`, + :issue:`6370`, + :issue:`6371`, + :issue:`6384`, + :issue:`6385`, + :issue:`6387`, + :issue:`6391`, + :issue:`6395`, + :issue:`6414`, + :issue:`6422`, + :issue:`6460`, + :issue:`6466`, + :issue:`6472`, + :issue:`6494`, + :issue:`6498`, + :issue:`6516`) + +- Improved Bandit_ checks. + (:issue:`6260`, :issue:`6264`, :issue:`6265`) + +- Added pyupgrade_ to the ``pre-commit`` configuration. + (:issue:`6392`) + + .. _pyupgrade: https://github.com/asottile/pyupgrade + +- Added ``flake8-bugbear``, ``flake8-comprehensions``, ``flake8-debugger``, + ``flake8-docstrings``, ``flake8-string-format`` and + ``flake8-type-checking`` to the ``pre-commit`` configuration. + (:issue:`6406`, :issue:`6413`) + +- CI and test improvements and fixes. + (:issue:`5285`, + :issue:`5454`, + :issue:`5997`, + :issue:`6078`, + :issue:`6084`, + :issue:`6087`, + :issue:`6132`, + :issue:`6153`, + :issue:`6154`, + :issue:`6201`, + :issue:`6231`, + :issue:`6232`, + :issue:`6235`, + :issue:`6236`, + :issue:`6242`, + :issue:`6245`, + :issue:`6253`, + :issue:`6258`, + :issue:`6259`, + :issue:`6270`, + :issue:`6272`, + :issue:`6286`, + :issue:`6290`, + :issue:`6296` + :issue:`6367`, + :issue:`6372`, + :issue:`6403`, + :issue:`6416`, + :issue:`6435`, + :issue:`6489`, + :issue:`6501`, + :issue:`6504`, + :issue:`6511`, + :issue:`6543`, + :issue:`6545`) + +- Code cleanups. + (:issue:`6196`, + :issue:`6197`, + :issue:`6198`, + :issue:`6199`, + :issue:`6254`, + :issue:`6257`, + :issue:`6285`, + :issue:`6305`, + :issue:`6343`, + :issue:`6349`, + :issue:`6386`, + :issue:`6415`, + :issue:`6463`, + :issue:`6470`, + :issue:`6499`, + :issue:`6505`, + :issue:`6510`, + :issue:`6531`, + :issue:`6542`) + +Other +~~~~~ + +- Issue tracker improvements. (:issue:`6066`) .. _release-2.11.2: diff --git a/docs/topics/addons.rst b/docs/topics/addons.rst index d2fc41003..14b4aa8ba 100644 --- a/docs/topics/addons.rst +++ b/docs/topics/addons.rst @@ -157,6 +157,7 @@ Use a fallback component: .. code-block:: python from scrapy.core.downloader.handlers.http import HTTPDownloadHandler + from scrapy.utils.misc import build_from_crawler FALLBACK_SETTING = "MY_FALLBACK_DOWNLOAD_HANDLER" @@ -167,11 +168,7 @@ Use a fallback component: def __init__(self, settings, crawler): dhcls = load_object(settings.get(FALLBACK_SETTING)) - self._fallback_handler = create_instance( - dhcls, - settings=None, - crawler=crawler, - ) + self._fallback_handler = build_from_crawler(dhcls, crawler) def download_request(self, request, spider): if request.meta.get("my_params"): diff --git a/docs/topics/api.rst b/docs/topics/api.rst index 175c877de..f7cffb61b 100644 --- a/docs/topics/api.rst +++ b/docs/topics/api.rst @@ -26,7 +26,9 @@ contains a dictionary of all available extensions and their order similar to how you :ref:`configure the downloader middlewares <topics-downloader-middleware-setting>`. -.. class:: Crawler(spidercls, settings) +.. autoclass:: Crawler + :members: get_addon, get_downloader_middleware, get_extension, + get_item_pipeline, get_spider_middleware The Crawler object must be instantiated with a :class:`scrapy.Spider` subclass and a diff --git a/docs/topics/components.rst b/docs/topics/components.rst index 478dd9647..d34b3884b 100644 --- a/docs/topics/components.rst +++ b/docs/topics/components.rst @@ -4,8 +4,8 @@ Components ========== -A Scrapy component is any class whose objects are created using -:func:`scrapy.utils.misc.create_instance`. +A Scrapy component is any class whose objects are built using +:func:`~scrapy.utils.misc.build_from_crawler`. That includes the classes that you may assign to the following settings: @@ -84,3 +84,15 @@ If your requirement is a minimum Scrapy version, you may use f"method of spider middlewares as an asynchronous " f"generator." ) + +API reference +============= + +The following function can be used to create an instance of a component class: + +.. autofunction:: scrapy.utils.misc.build_from_crawler + +The following function can also be useful when implementing a component, to +report the import path of the component class, e.g. when reporting problems: + +.. autofunction:: scrapy.utils.python.global_object_name diff --git a/docs/topics/downloader-middleware.rst b/docs/topics/downloader-middleware.rst index 9eace3be0..11a3fcb94 100644 --- a/docs/topics/downloader-middleware.rst +++ b/docs/topics/downloader-middleware.rst @@ -926,10 +926,6 @@ Meta tags within these tags are ignored. The default value of :setting:`METAREFRESH_IGNORE_TAGS` changed from ``[]`` to ``["noscript"]``. -.. versionchanged:: VERSION - The default value of :setting:`METAREFRESH_IGNORE_TAGS` changed from - ``[]`` to ``['noscript']``. - .. setting:: METAREFRESH_MAXDELAY METAREFRESH_MAXDELAY diff --git a/docs/topics/spider-middleware.rst b/docs/topics/spider-middleware.rst index 8f39bcd53..2b59cabe1 100644 --- a/docs/topics/spider-middleware.rst +++ b/docs/topics/spider-middleware.rst @@ -358,7 +358,7 @@ Acceptable values for REFERRER_POLICY - either a path to a ``scrapy.spidermiddlewares.referer.ReferrerPolicy`` subclass — a custom policy or one of the built-in ones (see classes below), -- or one of the standard W3C-defined string values, +- or one or more comma-separated standard W3C-defined string values, - or the special ``"scrapy-default"``. ======================================= ======================================================================== diff --git a/scrapy/crawler.py b/scrapy/crawler.py index de0cf543e..1ad837a47 100644 --- a/scrapy/crawler.py +++ b/scrapy/crawler.py @@ -184,9 +184,23 @@ class Crawler: return None def get_addon(self, cls: type[_T]) -> _T | None: + """Return the run-time instance of an :ref:`add-on <topics-addons>` of + the specified class or a subclass, or ``None`` if none is found. + + .. versionadded:: 2.12 + """ return self._get_component(cls, self.addons.addons) def get_downloader_middleware(self, cls: type[_T]) -> _T | None: + """Return the run-time instance of a :ref:`downloader middleware + <topics-downloader-middleware>` of the specified class or a subclass, + or ``None`` if none is found. + + .. versionadded:: 2.12 + + This method can only be called after the crawl engine has been created, + e.g. at signals :signal:`engine_started` or :signal:`spider_opened`. + """ if not self.engine: raise RuntimeError( "Crawler.get_downloader_middleware() can only be called after " @@ -195,6 +209,16 @@ class Crawler: return self._get_component(cls, self.engine.downloader.middleware.middlewares) def get_extension(self, cls: type[_T]) -> _T | None: + """Return the run-time instance of an :ref:`extension + <topics-extensions>` of the specified class or a subclass, + or ``None`` if none is found. + + .. versionadded:: 2.12 + + This method can only be called after the extension manager has been + created, e.g. at signals :signal:`engine_started` or + :signal:`spider_opened`. + """ if not self.extensions: raise RuntimeError( "Crawler.get_extension() can only be called after the " @@ -203,6 +227,15 @@ class Crawler: return self._get_component(cls, self.extensions.middlewares) def get_item_pipeline(self, cls: type[_T]) -> _T | None: + """Return the run-time instance of a :ref:`item pipeline + <topics-item-pipeline>` of the specified class or a subclass, or + ``None`` if none is found. + + .. versionadded:: 2.12 + + This method can only be called after the crawl engine has been created, + e.g. at signals :signal:`engine_started` or :signal:`spider_opened`. + """ if not self.engine: raise RuntimeError( "Crawler.get_item_pipeline() can only be called after the " @@ -211,6 +244,15 @@ class Crawler: return self._get_component(cls, self.engine.scraper.itemproc.middlewares) def get_spider_middleware(self, cls: type[_T]) -> _T | None: + """Return the run-time instance of a :ref:`spider middleware + <topics-spider-middleware>` of the specified class or a subclass, or + ``None`` if none is found. + + .. versionadded:: 2.12 + + This method can only be called after the crawl engine has been created, + e.g. at signals :signal:`engine_started` or :signal:`spider_opened`. + """ if not self.engine: raise RuntimeError( "Crawler.get_spider_middleware() can only be called after the " diff --git a/scrapy/extensions/feedexport.py b/scrapy/extensions/feedexport.py index 6a7704687..0cf44aed8 100644 --- a/scrapy/extensions/feedexport.py +++ b/scrapy/extensions/feedexport.py @@ -692,8 +692,10 @@ class FeedExporter: def _get_storage( self, uri: str, feed_options: dict[str, Any] ) -> FeedStorageProtocol: - feedcls = self.storages.get(urlparse(uri).scheme, self.storages["file"]) - return build_from_crawler(feedcls, self.crawler, uri, feed_options=feed_options) + """Build a storage object for the specified *uri* with the specified + *feed_options*.""" + cls = self.storages.get(urlparse(uri).scheme, self.storages["file"]) + return build_from_crawler(cls, self.crawler, uri, feed_options=feed_options) def _get_uri_params( self, diff --git a/scrapy/pipelines/media.py b/scrapy/pipelines/media.py index 6d7808c31..691a1cbf2 100644 --- a/scrapy/pipelines/media.py +++ b/scrapy/pipelines/media.py @@ -149,6 +149,15 @@ class MediaPipeline(ABC): pipe: Self if hasattr(cls, "from_settings"): pipe = cls.from_settings(crawler.settings) # type: ignore[attr-defined] + warnings.warn( + f"{global_object_name(cls)} has from_settings() and either doesn't have" + " from_crawler() or calls MediaPipeline.from_crawler() from it," + " so from_settings() was used to create the instance of it." + " This is deprecated and calling from_settings() will be removed" + " in a future Scrapy version. Please move the initialization code into" + " from_crawler() or __init__().", + category=ScrapyDeprecationWarning, + ) elif "crawler" in get_func_args(cls.__init__): pipe = cls(crawler=crawler) else: @@ -249,7 +258,7 @@ class MediaPipeline(ABC): # minimize cached information for failure result.cleanFailure() result.frames = [] - if twisted_version <= Version("twisted", 24, 10, 0): + if twisted_version < Version("twisted", 24, 10, 0): result.stack = [] # type: ignore[method-assign] # This code fixes a memory leak by avoiding to keep references to # the Request and Response objects on the Media Pipeline cache. @@ -269,9 +278,6 @@ class MediaPipeline(ABC): # To avoid keeping references to the Response and therefore Request # objects on the Media Pipeline cache, we should wipe the context of # the encapsulated exception when it is a StopIteration instance - # - # This problem does not occur in Python 2.7 since we don't have - # Exception Chaining (https://www.python.org/dev/peps/pep-3134/). context = getattr(result.value, "__context__", None) if isinstance(context, StopIteration): result.value.__context__ = None diff --git a/scrapy/utils/misc.py b/scrapy/utils/misc.py index a408a205d..eefadd07d 100644 --- a/scrapy/utils/misc.py +++ b/scrapy/utils/misc.py @@ -177,6 +177,8 @@ def build_from_crawler( ) -> T: """Construct a class instance using its ``from_crawler`` or ``from_settings`` constructor. + .. versionadded:: 2.12 + ``*args`` and ``**kwargs`` are forwarded to the constructor. Raises ``TypeError`` if the resulting instance is ``None``. diff --git a/scrapy/utils/python.py b/scrapy/utils/python.py index 3864d054f..b9babb08f 100644 --- a/scrapy/utils/python.py +++ b/scrapy/utils/python.py @@ -328,8 +328,7 @@ def without_none_values( def global_object_name(obj: Any) -> str: - """ - Return full name of a global object. + """Return the full import path of the given class. >>> from scrapy import Request >>> global_object_name(Request) diff --git a/tests/test_pipeline_media.py b/tests/test_pipeline_media.py index 58a2d3678..cb1e2f9a1 100644 --- a/tests/test_pipeline_media.py +++ b/tests/test_pipeline_media.py @@ -454,9 +454,34 @@ class BuildFromCrawlerTestCase(unittest.TestCase): pipe = Pipeline.from_crawler(self.crawler) assert pipe.crawler == self.crawler assert pipe._fingerprinter - self.assertEqual(len(w), 1) + self.assertEqual(len(w), 2) assert pipe._from_settings_called + def test_has_from_settings_and_from_crawler(self): + class Pipeline(UserDefinedPipeline): + _from_settings_called = False + _from_crawler_called = False + + @classmethod + def from_settings(cls, settings): + o = cls() + o._from_settings_called = True + return o + + @classmethod + def from_crawler(cls, crawler): + o = super().from_crawler(crawler) + o._from_crawler_called = True + return o + + with warnings.catch_warnings(record=True) as w: + pipe = Pipeline.from_crawler(self.crawler) + assert pipe.crawler == self.crawler + assert pipe._fingerprinter + self.assertEqual(len(w), 2) + assert pipe._from_settings_called + assert pipe._from_crawler_called + def test_has_from_settings_and_init(self): class Pipeline(UserDefinedPipeline): _from_settings_called = False @@ -476,7 +501,7 @@ class BuildFromCrawlerTestCase(unittest.TestCase): pipe = Pipeline.from_crawler(self.crawler) assert pipe.crawler == self.crawler assert pipe._fingerprinter - self.assertEqual(len(w), 1) + self.assertEqual(len(w), 2) assert pipe._from_settings_called assert pipe._init_called From b1f9e56693cd2000ddcea922306f726f3e9339af Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Mon, 18 Nov 2024 13:08:05 +0500 Subject: [PATCH 320/786] =?UTF-8?q?Bump=20version:=202.11.2=20=E2=86=92=20?= =?UTF-8?q?2.12.0?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .bumpversion.cfg | 2 +- SECURITY.md | 4 ++-- scrapy/VERSION | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/.bumpversion.cfg b/.bumpversion.cfg index 599cd0cff..f83e3e890 100644 --- a/.bumpversion.cfg +++ b/.bumpversion.cfg @@ -1,5 +1,5 @@ [bumpversion] -current_version = 2.11.2 +current_version = 2.12.0 commit = True tag = True tag_name = {new_version} diff --git a/SECURITY.md b/SECURITY.md index 51305d95e..bc64dec7b 100644 --- a/SECURITY.md +++ b/SECURITY.md @@ -4,8 +4,8 @@ | Version | Supported | | ------- | ------------------ | -| 2.11.x | :white_check_mark: | -| < 2.11.x | :x: | +| 2.12.x | :white_check_mark: | +| < 2.12.x | :x: | ## Reporting a Vulnerability diff --git a/scrapy/VERSION b/scrapy/VERSION index 9e5bb77a3..d8b698973 100644 --- a/scrapy/VERSION +++ b/scrapy/VERSION @@ -1 +1 @@ -2.11.2 +2.12.0 From efb53aafdcaae058962c6189ddecb3dc62b02c31 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Mon, 18 Nov 2024 15:39:49 +0500 Subject: [PATCH 321/786] Fix a typo that broke PDF builds. --- docs/news.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/news.rst b/docs/news.rst index 025eb09ba..2bf65272f 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -384,7 +384,7 @@ Bug fixes - Importing ``scrapy.extensions.telnet`` no longer installs the default reactor. - (:issue:`6432``) + (:issue:`6432`) - Reduced log verbosity for dropped requests that was increased in 2.11.2. (:issue:`6433`, :issue:`6475`) From 8c23da943c5e892515f4fa2eb57229839802010a Mon Sep 17 00:00:00 2001 From: Swayam Gupta <78016781+swayam0322@users.noreply.github.com> Date: Tue, 19 Nov 2024 19:51:15 +0530 Subject: [PATCH 322/786] Integrating configs into pyproject.toml (#6547) --- .bandit.yml | 7 - .bumpversion.cfg | 11 -- .coveragerc | 12 -- .isort.cfg | 2 - .pre-commit-config.yaml | 3 +- MANIFEST.in | 1 - pylintrc | 73 --------- pyproject.toml | 235 ++++++++++++++++++++++++++++ pytest.ini | 26 --- setup.cfg | 24 --- setup.py | 75 --------- tests/test_crawler.py | 2 +- tests/test_spiderloader/__init__.py | 7 +- tox.ini | 2 +- 14 files changed, 243 insertions(+), 237 deletions(-) delete mode 100644 .bandit.yml delete mode 100644 .bumpversion.cfg delete mode 100644 .coveragerc delete mode 100644 .isort.cfg delete mode 100644 pylintrc create mode 100644 pyproject.toml delete mode 100644 pytest.ini delete mode 100644 setup.cfg delete mode 100644 setup.py diff --git a/.bandit.yml b/.bandit.yml deleted file mode 100644 index b7f1817e0..000000000 --- a/.bandit.yml +++ /dev/null @@ -1,7 +0,0 @@ -skips: -- B101 # assert_used, needed for mypy -- B321 # ftplib, https://github.com/scrapy/scrapy/issues/4180 -- B402 # import_ftplib, https://github.com/scrapy/scrapy/issues/4180 -- B411 # import_xmlrpclib, https://github.com/PyCQA/bandit/issues/1082 -- B503 # ssl_with_bad_defaults -exclude_dirs: ['tests'] diff --git a/.bumpversion.cfg b/.bumpversion.cfg deleted file mode 100644 index f83e3e890..000000000 --- a/.bumpversion.cfg +++ /dev/null @@ -1,11 +0,0 @@ -[bumpversion] -current_version = 2.12.0 -commit = True -tag = True -tag_name = {new_version} - -[bumpversion:file:scrapy/VERSION] - -[bumpversion:file:SECURITY.md] -parse = (?P<major>\d+)\.(?P<minor>\d+)\.x -serialize = {major}.{minor}.x diff --git a/.coveragerc b/.coveragerc deleted file mode 100644 index f9ad353d5..000000000 --- a/.coveragerc +++ /dev/null @@ -1,12 +0,0 @@ -[run] -branch = true -include = scrapy/* -omit = - tests/* -disable_warnings = include-ignored - -[report] -# https://github.com/nedbat/coveragepy/issues/831#issuecomment-517778185 -exclude_lines = - pragma: no cover - if TYPE_CHECKING: diff --git a/.isort.cfg b/.isort.cfg deleted file mode 100644 index f238bf7ea..000000000 --- a/.isort.cfg +++ /dev/null @@ -1,2 +0,0 @@ -[settings] -profile = black diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml index fbd710f6f..b411f4927 100644 --- a/.pre-commit-config.yaml +++ b/.pre-commit-config.yaml @@ -3,7 +3,8 @@ repos: rev: 1.7.9 hooks: - id: bandit - args: [-r, -c, .bandit.yml] + args: ["-c", "pyproject.toml"] + additional_dependencies: ["bandit[toml]"] - repo: https://github.com/PyCQA/flake8 rev: 7.1.0 hooks: diff --git a/MANIFEST.in b/MANIFEST.in index 06971e39c..7700ae7bd 100644 --- a/MANIFEST.in +++ b/MANIFEST.in @@ -10,7 +10,6 @@ include scrapy/py.typed include codecov.yml include conftest.py -include pytest.ini include tox.ini recursive-include scrapy/templates * diff --git a/pylintrc b/pylintrc deleted file mode 100644 index e927b903c..000000000 --- a/pylintrc +++ /dev/null @@ -1,73 +0,0 @@ -[MASTER] -persistent=no -jobs=1 # >1 hides results - -[MESSAGES CONTROL] -disable=abstract-method, - arguments-differ, - arguments-renamed, - attribute-defined-outside-init, - bad-classmethod-argument, - bare-except, - broad-except, - broad-exception-raised, - c-extension-no-member, - consider-using-with, - cyclic-import, - dangerous-default-value, - disallowed-name, - duplicate-code, # https://github.com/PyCQA/pylint/issues/214 - eval-used, - fixme, - function-redefined, - global-statement, - implicit-str-concat, - import-error, - import-outside-toplevel, - inherit-non-class, - invalid-name, - invalid-overridden-method, - isinstance-second-argument-not-valid-type, - keyword-arg-before-vararg, - line-too-long, - logging-format-interpolation, - logging-fstring-interpolation, - logging-not-lazy, - lost-exception, - missing-docstring, - no-member, - no-method-argument, - no-name-in-module, - no-self-argument, - no-value-for-parameter, # https://github.com/pylint-dev/pylint/issues/3268 - not-callable, - pointless-statement, - pointless-string-statement, - protected-access, - raise-missing-from, - redefined-builtin, - redefined-outer-name, - reimported, - signature-differs, - too-few-public-methods, - too-many-ancestors, - too-many-arguments, - too-many-branches, - too-many-format-args, - too-many-function-args, - too-many-instance-attributes, - too-many-lines, - too-many-locals, - too-many-public-methods, - too-many-return-statements, - unbalanced-tuple-unpacking, - unnecessary-dunder-call, - unnecessary-pass, - unreachable, - unused-argument, - unused-import, - unused-variable, - used-before-assignment, - useless-return, - wildcard-import, - wrong-import-position diff --git a/pyproject.toml b/pyproject.toml new file mode 100644 index 000000000..f25715e76 --- /dev/null +++ b/pyproject.toml @@ -0,0 +1,235 @@ +[build-system] +requires = ["setuptools >= 61.0"] +build-backend = "setuptools.build_meta" + +[project] +name = "Scrapy" +dynamic = ["version"] +description = "A high-level Web Crawling and Web Scraping framework" +dependencies = [ + "Twisted>=21.7.0", + "cryptography>=37.0.0", + "cssselect>=0.9.1", + "itemloaders>=1.0.1", + "parsel>=1.5.0", + "pyOpenSSL>=22.0.0", + "queuelib>=1.4.2", + "service_identity>=18.1.0", + "w3lib>=1.17.0", + "zope.interface>=5.1.0", + "protego>=0.1.15", + "itemadapter>=0.1.0", + "packaging", + "tldextract", + "lxml>=4.6.0", + "defusedxml>=0.7.1", + # Platform-specific dependencies + 'PyDispatcher>=2.0.5; platform_python_implementation == "CPython"', + 'PyPyDispatcher>=2.1.0; platform_python_implementation == "PyPy"', +] +classifiers = [ + "Framework :: Scrapy", + "Development Status :: 5 - Production/Stable", + "Environment :: Console", + "Intended Audience :: Developers", + "License :: OSI Approved :: BSD License", + "Operating System :: OS Independent", + "Programming Language :: Python", + "Programming Language :: Python :: 3", + "Programming Language :: Python :: 3.9", + "Programming Language :: Python :: 3.10", + "Programming Language :: Python :: 3.11", + "Programming Language :: Python :: 3.12", + "Programming Language :: Python :: 3.13", + "Programming Language :: Python :: Implementation :: CPython", + "Programming Language :: Python :: Implementation :: PyPy", + "Topic :: Internet :: WWW/HTTP", + "Topic :: Software Development :: Libraries :: Application Frameworks", + "Topic :: Software Development :: Libraries :: Python Modules", +] +readme = "README.rst" +requires-python = ">=3.9" +authors = [{ name = "Scrapy developers", email = "pablo@pablohoffman.com" }] +maintainers = [{ name = "Pablo Hoffman", email = "pablo@pablohoffman.com" }] + +[project.urls] +Homepage = "https://scrapy.org/" +Documentation = "https://docs.scrapy.org/" +Source = "https://github.com/scrapy/scrapy" +Tracker = "https://github.com/scrapy/scrapy/issues" +Changelog = "https://github.com/scrapy/scrapy/commits/master/" +releasenotes = "https://docs.scrapy.org/en/latest/news.html" + +[project.scripts] +scrapy = "scrapy.cmdline:execute" + +[tool.setuptools.packages.find] +where = ["."] +include = ["scrapy", "scrapy.*",] + +[tool.setuptools.dynamic] +version = {file = "./scrapy/VERSION"} + +[tool.mypy] +ignore_missing_imports = true + +# Interface classes are hard to support + +[[tool.mypy.overrides]] +module = "twisted.internet.interfaces" +follow_imports = "skip" + +[[tool.mypy.overrides]] +module = "scrapy.interfaces" +ignore_errors = true + +[[tool.mypy.overrides]] +module = "twisted.internet.reactor" +follow_imports = "skip" + +# FIXME: remove the following section once the issues are solved +[[tool.mypy.overrides]] +module = "scrapy.settings.default_settings" +ignore_errors = true + +[tool.bandit] +skips = [ + "B101", # assert_used, needed for mypy + "B321", # ftplib, https://github.com/scrapy/scrapy/issues/4180 + "B402", # import_ftplib, https://github.com/scrapy/scrapy/issues/4180 + "B411", # import_xmlrpclib, https://github.com/PyCQA/bandit/issues/1082 + "B503", # ssl_with_bad_defaults +] +exclude_dirs = ["tests"] + +[tool.bumpversion] +current_version = "2.12.0" +commit = true +tag = true +tag_name = "{new_version}" + +[[tool.bumpversion.files]] +filename = "scrapy/VERSION" + +[[tool.bumpversion.files]] +filename = "SECURITY.md" +parse = """(?P<major>0|[1-9]\\d*)\\.(?P<minor>0|[1-9]\\d*)""" +serialize = ["{major}.{minor}"] + +[tool.coverage.run] +branch = true +include = ["scrapy/*"] +omit = ["tests/*"] +disable_warnings = ["include-ignored"] + +[tool.coverage.report] +# https://github.com/nedbat/coveragepy/issues/831#issuecomment-517778185 +exclude_lines = ["pragma: no cover", "if TYPE_CHECKING:"] + +[tool.isort] +profile = "black" + +[tool.pylint.MASTER] +persistent = "no" +jobs = 1 # >1 hides results + +[tool.pylint."MESSAGES CONTROL"] +disable = [ + "abstract-method", + "arguments-differ", + "arguments-renamed", + "attribute-defined-outside-init", + "bad-classmethod-argument", + "bare-except", + "broad-except", + "broad-exception-raised", + "c-extension-no-member", + "consider-using-with", + "cyclic-import", + "dangerous-default-value", + "disallowed-name", + "duplicate-code", # https://github.com/PyCQA/pylint/issues/214 + "eval-used", + "fixme", + "function-redefined", + "global-statement", + "implicit-str-concat", + "import-error", + "import-outside-toplevel", + "inherit-non-class", + "invalid-name", + "invalid-overridden-method", + "isinstance-second-argument-not-valid-type", + "keyword-arg-before-vararg", + "line-too-long", + "logging-format-interpolation", + "logging-fstring-interpolation", + "logging-not-lazy", + "lost-exception", + "missing-docstring", + "no-member", + "no-method-argument", + "no-name-in-module", + "no-self-argument", + "no-value-for-parameter", # https://github.com/pylint-dev/pylint/issues/3268 + "not-callable", + "pointless-statement", + "pointless-string-statement", + "protected-access", + "raise-missing-from", + "redefined-builtin", + "redefined-outer-name", + "reimported", + "signature-differs", + "too-few-public-methods", + "too-many-ancestors", + "too-many-arguments", + "too-many-branches", + "too-many-format-args", + "too-many-function-args", + "too-many-instance-attributes", + "too-many-lines", + "too-many-locals", + "too-many-public-methods", + "too-many-return-statements", + "unbalanced-tuple-unpacking", + "unnecessary-dunder-call", + "unnecessary-pass", + "unreachable", + "unused-argument", + "unused-import", + "unused-variable", + "used-before-assignment", + "useless-return", + "wildcard-import", + "wrong-import-position", +] + +[tool.pytest.ini_options] +xfail_strict = true +usefixtures = "chdir" +python_files = ["test_*.py", "__init__.py"] +python_classes = [] +addopts = [ + "--assert=plain", + "--ignore=docs/_ext", + "--ignore=docs/conf.py", + "--ignore=docs/news.rst", + "--ignore=docs/topics/dynamic-content.rst", + "--ignore=docs/topics/items.rst", + "--ignore=docs/topics/leaks.rst", + "--ignore=docs/topics/loaders.rst", + "--ignore=docs/topics/selectors.rst", + "--ignore=docs/topics/shell.rst", + "--ignore=docs/topics/stats.rst", + "--ignore=docs/topics/telnetconsole.rst", + "--ignore=docs/utils", +] +markers = [ + "only_asyncio: marks tests as only enabled when --reactor=asyncio is passed", + "only_not_asyncio: marks tests as only enabled when --reactor=asyncio is not passed", + "requires_uvloop: marks tests as only enabled when uvloop is known to be working", + "requires_botocore: marks tests that need botocore (but not boto3)", + "requires_boto3: marks tests that need botocore and boto3", +] +filterwarnings = [] \ No newline at end of file diff --git a/pytest.ini b/pytest.ini deleted file mode 100644 index 824c0e9e9..000000000 --- a/pytest.ini +++ /dev/null @@ -1,26 +0,0 @@ -[pytest] -xfail_strict = true -usefixtures = chdir -python_files=test_*.py __init__.py -python_classes= -addopts = - --assert=plain - --ignore=docs/_ext - --ignore=docs/conf.py - --ignore=docs/news.rst - --ignore=docs/topics/dynamic-content.rst - --ignore=docs/topics/items.rst - --ignore=docs/topics/leaks.rst - --ignore=docs/topics/loaders.rst - --ignore=docs/topics/selectors.rst - --ignore=docs/topics/shell.rst - --ignore=docs/topics/stats.rst - --ignore=docs/topics/telnetconsole.rst - --ignore=docs/utils -markers = - only_asyncio: marks tests as only enabled when --reactor=asyncio is passed - only_not_asyncio: marks tests as only enabled when --reactor=asyncio is not passed - requires_uvloop: marks tests as only enabled when uvloop is known to be working - requires_botocore: marks tests that need botocore (but not boto3) - requires_boto3: marks tests that need botocore and boto3 -filterwarnings = diff --git a/setup.cfg b/setup.cfg deleted file mode 100644 index 151e784c6..000000000 --- a/setup.cfg +++ /dev/null @@ -1,24 +0,0 @@ -[bdist_rpm] -doc_files = docs AUTHORS INSTALL LICENSE README.rst - -[bdist_wheel] -universal=1 - -[mypy] -ignore_missing_imports = true - -# Interface classes are hard to support - -[mypy-twisted.internet.interfaces] -follow_imports = skip - -[mypy-scrapy.interfaces] -ignore_errors = True - -[mypy-twisted.internet.reactor] -follow_imports = skip - -# FIXME: remove the following sections once the issues are solved - -[mypy-scrapy.settings.default_settings] -ignore_errors = True diff --git a/setup.py b/setup.py deleted file mode 100644 index 6cc1150a5..000000000 --- a/setup.py +++ /dev/null @@ -1,75 +0,0 @@ -from pathlib import Path - -from setuptools import find_packages, setup - -version = (Path(__file__).parent / "scrapy/VERSION").read_text("ascii").strip() - - -install_requires = [ - "Twisted>=21.7.0", - "cryptography>=37.0.0", - "cssselect>=0.9.1", - "itemloaders>=1.0.1", - "parsel>=1.5.0", - "pyOpenSSL>=22.0.0", - "queuelib>=1.4.2", - "service_identity>=18.1.0", - "w3lib>=1.17.0", - "zope.interface>=5.1.0", - "protego>=0.1.15", - "itemadapter>=0.1.0", - "packaging", - "tldextract", - "lxml>=4.6.0", - "defusedxml>=0.7.1", -] -extras_require = { - ':platform_python_implementation == "CPython"': ["PyDispatcher>=2.0.5"], - ':platform_python_implementation == "PyPy"': ["PyPyDispatcher>=2.1.0"], -} - - -setup( - name="Scrapy", - version=version, - url="https://scrapy.org", - project_urls={ - "Documentation": "https://docs.scrapy.org/", - "Source": "https://github.com/scrapy/scrapy", - "Tracker": "https://github.com/scrapy/scrapy/issues", - }, - description="A high-level Web Crawling and Web Scraping framework", - long_description=open("README.rst", encoding="utf-8").read(), - author="Scrapy developers", - author_email="pablo@pablohoffman.com", - maintainer="Pablo Hoffman", - maintainer_email="pablo@pablohoffman.com", - license="BSD", - packages=find_packages(exclude=("tests", "tests.*")), - include_package_data=True, - zip_safe=False, - entry_points={"console_scripts": ["scrapy = scrapy.cmdline:execute"]}, - classifiers=[ - "Framework :: Scrapy", - "Development Status :: 5 - Production/Stable", - "Environment :: Console", - "Intended Audience :: Developers", - "License :: OSI Approved :: BSD License", - "Operating System :: OS Independent", - "Programming Language :: Python", - "Programming Language :: Python :: 3", - "Programming Language :: Python :: 3.9", - "Programming Language :: Python :: 3.10", - "Programming Language :: Python :: 3.11", - "Programming Language :: Python :: 3.12", - "Programming Language :: Python :: 3.13", - "Programming Language :: Python :: Implementation :: CPython", - "Programming Language :: Python :: Implementation :: PyPy", - "Topic :: Internet :: WWW/HTTP", - "Topic :: Software Development :: Libraries :: Application Frameworks", - "Topic :: Software Development :: Libraries :: Python Modules", - ], - python_requires=">=3.9", - install_requires=install_requires, - extras_require=extras_require, -) diff --git a/tests/test_crawler.py b/tests/test_crawler.py index 853acf2de..a77531f62 100644 --- a/tests/test_crawler.py +++ b/tests/test_crawler.py @@ -899,7 +899,7 @@ class CrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): p.expect_exact("shutting down gracefully") # sending the second signal too fast often causes problems d = Deferred() - reactor.callLater(0.1, d.callback, None) + reactor.callLater(0.01, d.callback, None) yield d p.kill(sig) p.expect_exact("forcing unclean shutdown") diff --git a/tests/test_spiderloader/__init__.py b/tests/test_spiderloader/__init__.py index d2ff9ba48..9b53b9b96 100644 --- a/tests/test_spiderloader/__init__.py +++ b/tests/test_spiderloader/__init__.py @@ -144,9 +144,10 @@ class SpiderLoaderTest(unittest.TestCase): self.assertRaises(SyntaxError, SpiderLoader.from_settings, settings) def test_syntax_error_warning(self): - with warnings.catch_warnings(record=True) as w, mock.patch.object( - SpiderLoader, "_load_spiders" - ) as m: + with ( + warnings.catch_warnings(record=True) as w, + mock.patch.object(SpiderLoader, "_load_spiders") as m, + ): m.side_effect = SyntaxError module = "tests.test_spiderloader.test_spiders.spider1" settings = Settings( diff --git a/tox.ini b/tox.ini index 5783a0e61..4e1a99473 100644 --- a/tox.ini +++ b/tox.ini @@ -79,7 +79,7 @@ deps = {[testenv:extra-deps]deps} pylint==3.2.5 commands = - pylint conftest.py docs extras scrapy setup.py tests + pylint conftest.py docs extras scrapy tests [testenv:twinecheck] basepython = python3 From 4dcc04be48b5c9ed096e91bf2928f5e421ce2153 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Sun, 24 Nov 2024 12:44:48 +0400 Subject: [PATCH 323/786] Add tests for DOWNLOADER_CLIENT_TLS_METHOD, remove dead code. --- scrapy/core/downloader/contextfactory.py | 11 +---- tests/test_webclient.py | 60 +++++++++++++++++++++++- 2 files changed, 59 insertions(+), 12 deletions(-) diff --git a/scrapy/core/downloader/contextfactory.py b/scrapy/core/downloader/contextfactory.py index 8e17eab9a..d44c663bb 100644 --- a/scrapy/core/downloader/contextfactory.py +++ b/scrapy/core/downloader/contextfactory.py @@ -111,18 +111,9 @@ class ScrapyClientContextFactory(BrowserLikePolicyForHTTPS): def getCertificateOptions(self) -> CertificateOptions: # setting verify=True will require you to provide CAs # to verify against; in other words: it's not that simple - - # backward-compatible SSL/TLS method: - # - # * this will respect `method` attribute in often recommended - # `ScrapyClientContextFactory` subclass - # (https://github.com/scrapy/scrapy/issues/1429#issuecomment-131782133) - # - # * getattr() for `_ssl_method` attribute for context factories - # not calling super().__init__ return CertificateOptions( verify=False, - method=getattr(self, "method", getattr(self, "_ssl_method", None)), + method=self._ssl_method, fixBrokenPeers=True, acceptableCiphers=self.tls_ciphers, ) diff --git a/tests/test_webclient.py b/tests/test_webclient.py index 1797d5e1f..1cad68b9c 100644 --- a/tests/test_webclient.py +++ b/tests/test_webclient.py @@ -3,21 +3,29 @@ from twisted.internet import defer Tests borrowed from the twisted.web.client tests. """ +from __future__ import annotations + import shutil from pathlib import Path from tempfile import mkdtemp +from typing import Any import OpenSSL.SSL +from pytest import raises from twisted.internet import defer, reactor -from twisted.internet.defer import inlineCallbacks +from twisted.internet.defer import Deferred, inlineCallbacks from twisted.internet.testing import StringTransport from twisted.protocols.policies import WrappingFactory from twisted.trial import unittest from twisted.web import resource, server, static, util from scrapy.core.downloader import webclient as client -from scrapy.core.downloader.contextfactory import ScrapyClientContextFactory +from scrapy.core.downloader.contextfactory import ( + ScrapyClientContextFactory, + load_context_factory_from_settings, +) from scrapy.http import Headers, Request +from scrapy.settings import Settings from scrapy.utils.misc import build_from_crawler from scrapy.utils.python import to_bytes, to_unicode from scrapy.utils.test import get_crawler @@ -482,3 +490,51 @@ class WebClientCustomCiphersSSLTestCase(WebClientSSLTestCase): self.getURL("payload"), body=s, contextFactory=client_context_factory ) return self.assertFailure(d, OpenSSL.SSL.Error) + + +class WebClientTLSMethodTestCase(WebClientSSLTestCase): + def _assert_factory_works( + self, client_context_factory: ScrapyClientContextFactory + ) -> Deferred[Any]: + s = "0123456789" * 10 + return getPage( + self.getURL("payload"), body=s, contextFactory=client_context_factory + ).addCallback(self.assertEqual, to_bytes(s)) + + def test_setting_default(self): + crawler = get_crawler() + settings = Settings() + client_context_factory = load_context_factory_from_settings(settings, crawler) + assert client_context_factory._ssl_method == OpenSSL.SSL.SSLv23_METHOD + return self._assert_factory_works(client_context_factory) + + def test_setting_none(self): + crawler = get_crawler() + settings = Settings({"DOWNLOADER_CLIENT_TLS_METHOD": None}) + with raises(KeyError): + load_context_factory_from_settings(settings, crawler) + + def test_setting_bad(self): + crawler = get_crawler() + settings = Settings({"DOWNLOADER_CLIENT_TLS_METHOD": "bad"}) + with raises(KeyError): + load_context_factory_from_settings(settings, crawler) + + def test_setting_explicit(self): + crawler = get_crawler() + settings = Settings({"DOWNLOADER_CLIENT_TLS_METHOD": "TLSv1.2"}) + client_context_factory = load_context_factory_from_settings(settings, crawler) + assert client_context_factory._ssl_method == OpenSSL.SSL.TLSv1_2_METHOD + return self._assert_factory_works(client_context_factory) + + def test_direct_from_crawler(self): + # the setting is ignored + crawler = get_crawler(settings_dict={"DOWNLOADER_CLIENT_TLS_METHOD": "bad"}) + client_context_factory = build_from_crawler(ScrapyClientContextFactory, crawler) + assert client_context_factory._ssl_method == OpenSSL.SSL.SSLv23_METHOD + return self._assert_factory_works(client_context_factory) + + def test_direct_init(self): + client_context_factory = ScrapyClientContextFactory(OpenSSL.SSL.TLSv1_2_METHOD) + assert client_context_factory._ssl_method == OpenSSL.SSL.TLSv1_2_METHOD + return self._assert_factory_works(client_context_factory) From cc146b9df7c6039ab0e0654b5844f5978e5bc565 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Mon, 9 Dec 2024 13:47:47 +0400 Subject: [PATCH 324/786] Add ruff with basic rules. (#6565) --- .pre-commit-config.yaml | 4 ++++ pyproject.toml | 23 ++++++++++++++++++++++- scrapy/http/request/form.py | 2 +- tests/test_pipeline_crawl.py | 2 +- tests/test_pipeline_media.py | 2 +- 5 files changed, 29 insertions(+), 4 deletions(-) diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml index b411f4927..ec8693c00 100644 --- a/.pre-commit-config.yaml +++ b/.pre-commit-config.yaml @@ -1,4 +1,8 @@ repos: +- repo: https://github.com/astral-sh/ruff-pre-commit + rev: v0.8.1 + hooks: + - id: ruff - repo: https://github.com/PyCQA/bandit rev: 1.7.9 hooks: diff --git a/pyproject.toml b/pyproject.toml index f25715e76..b6c02472d 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -232,4 +232,25 @@ markers = [ "requires_botocore: marks tests that need botocore (but not boto3)", "requires_boto3: marks tests that need botocore and boto3", ] -filterwarnings = [] \ No newline at end of file +filterwarnings = [] + +[tool.ruff.lint] +extend-select = [ +] +ignore = [ +] + +[tool.ruff.lint.per-file-ignores] +# Exclude files that are meant to provide top-level imports +"scrapy/__init__.py" = ["E402"] +"scrapy/core/downloader/handlers/http.py" = ["F401"] +"scrapy/http/__init__.py" = ["F401"] +"scrapy/linkextractors/__init__.py" = ["E402", "F401"] +"scrapy/selector/__init__.py" = ["F401"] +"scrapy/spiders/__init__.py" = ["E402", "F401"] + +# Issues pending a review: +"docs/conf.py" = ["E402"] +"scrapy/utils/url.py" = ["F403", "F405"] +"tests/CrawlerRunner/change_reactor.py" = ["E402"] +"tests/test_loader.py" = ["E741"] diff --git a/scrapy/http/request/form.py b/scrapy/http/request/form.py index 10ad1305e..b3c3d7c7a 100644 --- a/scrapy/http/request/form.py +++ b/scrapy/http/request/form.py @@ -186,7 +186,7 @@ def _get_inputs( if not dont_click: clickable = _get_clickable(clickdata, form) - if clickable and clickable[0] not in formdata and not clickable[0] is None: + if clickable and clickable[0] not in formdata and clickable[0] is not None: values.append(clickable) formdata_items = formdata.items() if isinstance(formdata, dict) else formdata diff --git a/tests/test_pipeline_crawl.py b/tests/test_pipeline_crawl.py index 7add27aa7..9e1b1ab5b 100644 --- a/tests/test_pipeline_crawl.py +++ b/tests/test_pipeline_crawl.py @@ -218,7 +218,7 @@ class FileDownloadCrawlTestCase(TestCase): skip_pillow: str | None try: - from PIL import Image # noqa: imported just to check for the import error + from PIL import Image # noqa: F401 except ImportError: skip_pillow = "Missing Python Imaging Library, install https://pypi.org/pypi/Pillow" else: diff --git a/tests/test_pipeline_media.py b/tests/test_pipeline_media.py index cb1e2f9a1..dd8f1084a 100644 --- a/tests/test_pipeline_media.py +++ b/tests/test_pipeline_media.py @@ -19,7 +19,7 @@ from scrapy.utils.signal import disconnect_all from scrapy.utils.test import get_crawler try: - from PIL import Image # noqa: imported just to check for the import error + from PIL import Image # noqa: F401 except ImportError: skip_pillow: str | None = ( "Missing Python Imaging Library, install https://pypi.org/pypi/Pillow" From 5680bee968d91239da27fff00aa33a9d891f4109 Mon Sep 17 00:00:00 2001 From: Emery Berger <emery.berger@gmail.com> Date: Mon, 9 Dec 2024 05:01:00 -0500 Subject: [PATCH 325/786] Made path absolute to enable running pytest from a different directory. (#6567) --- conftest.py | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/conftest.py b/conftest.py index 3af072318..e9765962a 100644 --- a/conftest.py +++ b/conftest.py @@ -24,7 +24,9 @@ collect_ignore = [ *_py_files("tests/CrawlerRunner"), ] -with Path("tests/ignores.txt").open(encoding="utf-8") as reader: +base_dir = Path(__file__).parent +ignore_file_path = base_dir / "tests" / "ignores.txt" +with ignore_file_path.open(encoding="utf-8") as reader: for line in reader: file_path = line.strip() if file_path and file_path[0] != "#": From c184f12ab5cb6239fc7b2f27ad75be45930dc871 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Sun, 1 Dec 2024 11:59:36 +0500 Subject: [PATCH 326/786] Add flake8-bugbear rules to ruff. --- pyproject.toml | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/pyproject.toml b/pyproject.toml index b6c02472d..1cbf4ac13 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -236,8 +236,26 @@ filterwarnings = [] [tool.ruff.lint] extend-select = [ + # flake8-bugbear + "B", ] ignore = [ + # Assigning to `os.environ` doesn't clear the environment. + "B003", + # Do not use mutable data structures for argument defaults. + "B006", + # Loop control variable not used within the loop body. + "B007", + # Do not perform function calls in argument defaults. + "B008", + # Star-arg unpacking after a keyword argument is strongly discouraged. + "B026", + # Found useless expression. + "B018", + # No explicit stacklevel argument found. + "B028", + # Within an `except` clause, raise exceptions with `raise ... from` + "B904", ] [tool.ruff.lint.per-file-ignores] From e53d6f09bc584f752200a11b686ec628b8c4c09d Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Sun, 1 Dec 2024 12:02:11 +0500 Subject: [PATCH 327/786] Add flake8-comprehensions and flake8-debugger rules to ruff. --- pyproject.toml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/pyproject.toml b/pyproject.toml index 1cbf4ac13..9d88b4e80 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -238,6 +238,10 @@ filterwarnings = [] extend-select = [ # flake8-bugbear "B", + # flake8-comprehensions + "C4", + # flake8-debugger + "T10", ] ignore = [ # Assigning to `os.environ` doesn't clear the environment. From d6bf1464b875d40be489568bede8e8319ff770c9 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Sun, 1 Dec 2024 12:12:13 +0500 Subject: [PATCH 328/786] Add pydocstyle/flake8-docstrings rules to ruff. --- pyproject.toml | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/pyproject.toml b/pyproject.toml index 9d88b4e80..41ba77094 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -240,6 +240,8 @@ extend-select = [ "B", # flake8-comprehensions "C4", + # pydocstyle + "D", # flake8-debugger "T10", ] @@ -260,6 +262,38 @@ ignore = [ "B028", # Within an `except` clause, raise exceptions with `raise ... from` "B904", + # Missing docstring in public module + "D100", + # Missing docstring in public class + "D101", + # Missing docstring in public method + "D102", + # Missing docstring in public function + "D103", + # Missing docstring in public package + "D104", + # Missing docstring in magic method + "D105", + # Missing docstring in public nested class + "D106", + # Missing docstring in __init__ + "D107", + # One-line docstring should fit on one line with quotes + "D200", + # No blank lines allowed after function docstring + "D202", + # 1 blank line required between summary line and description + "D205", + # Multi-line docstring closing quotes should be on a separate line + "D209", + # First line should end with a period + "D400", + # First line should be in imperative mood; try rephrasing + "D401", + # First line should not be the function's "signature" + "D402", + # First word of the first line should be properly capitalized + "D403", ] [tool.ruff.lint.per-file-ignores] @@ -276,3 +310,6 @@ ignore = [ "scrapy/utils/url.py" = ["F403", "F405"] "tests/CrawlerRunner/change_reactor.py" = ["E402"] "tests/test_loader.py" = ["E741"] + +[tool.ruff.lint.pydocstyle] +convention = "pep257" From d47f142d0ffff0e8f87eee67c4c0e7edbc71613e Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Sun, 1 Dec 2024 12:28:57 +0500 Subject: [PATCH 329/786] Add flake8-type-checking rules to ruff. --- pyproject.toml | 2 ++ scrapy/commands/bench.py | 2 +- scrapy/commands/fetch.py | 3 ++- scrapy/commands/genspider.py | 6 ++++-- scrapy/commands/parse.py | 2 +- scrapy/commands/runspider.py | 2 +- scrapy/commands/shell.py | 3 ++- scrapy/commands/startproject.py | 5 ++++- scrapy/core/downloader/__init__.py | 2 +- scrapy/core/downloader/handlers/__init__.py | 3 +-- scrapy/core/engine.py | 9 ++++----- scrapy/core/scraper.py | 6 +++--- scrapy/crawler.py | 4 ++-- scrapy/exporters.py | 6 ++++-- scrapy/extensions/feedexport.py | 3 +-- scrapy/extensions/httpcache.py | 6 +++--- scrapy/extensions/periodic_log.py | 3 ++- scrapy/extensions/telnet.py | 2 +- scrapy/http/request/__init__.py | 4 ++-- scrapy/pqueues.py | 2 +- scrapy/utils/conf.py | 3 +-- scrapy/utils/reactor.py | 2 +- scrapy/utils/test.py | 3 ++- 23 files changed, 46 insertions(+), 37 deletions(-) diff --git a/pyproject.toml b/pyproject.toml index 41ba77094..4d20e5c1c 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -244,6 +244,8 @@ extend-select = [ "D", # flake8-debugger "T10", + # flake8-type-checking + "TC", ] ignore = [ # Assigning to `os.environ` doesn't clear the environment. diff --git a/scrapy/commands/bench.py b/scrapy/commands/bench.py index 4f6933006..b96c63eb7 100644 --- a/scrapy/commands/bench.py +++ b/scrapy/commands/bench.py @@ -1,6 +1,5 @@ from __future__ import annotations -import argparse import subprocess # nosec import sys import time @@ -13,6 +12,7 @@ from scrapy.http import Response, TextResponse from scrapy.linkextractors import LinkExtractor if TYPE_CHECKING: + import argparse from collections.abc import Iterable from scrapy import Request diff --git a/scrapy/commands/fetch.py b/scrapy/commands/fetch.py index a1806f626..05e5e53e9 100644 --- a/scrapy/commands/fetch.py +++ b/scrapy/commands/fetch.py @@ -5,7 +5,6 @@ from typing import TYPE_CHECKING from w3lib.url import is_url -from scrapy import Spider from scrapy.commands import ScrapyCommand from scrapy.exceptions import UsageError from scrapy.http import Request, Response @@ -15,6 +14,8 @@ from scrapy.utils.spider import DefaultSpider, spidercls_for_request if TYPE_CHECKING: from argparse import ArgumentParser, Namespace + from scrapy import Spider + class Command(ScrapyCommand): requires_project = False diff --git a/scrapy/commands/genspider.py b/scrapy/commands/genspider.py index b286e703e..2e70b2865 100644 --- a/scrapy/commands/genspider.py +++ b/scrapy/commands/genspider.py @@ -1,12 +1,11 @@ from __future__ import annotations -import argparse import os import shutil import string from importlib import import_module from pathlib import Path -from typing import Any, cast +from typing import TYPE_CHECKING, Any, cast from urllib.parse import urlparse import scrapy @@ -14,6 +13,9 @@ from scrapy.commands import ScrapyCommand from scrapy.exceptions import UsageError from scrapy.utils.template import render_templatefile, string_camelcase +if TYPE_CHECKING: + import argparse + def sanitize_module_name(module_name: str) -> str: """Sanitize the given module name, by replacing dashes and points diff --git a/scrapy/commands/parse.py b/scrapy/commands/parse.py index fba294851..fc16e46d1 100644 --- a/scrapy/commands/parse.py +++ b/scrapy/commands/parse.py @@ -1,6 +1,5 @@ from __future__ import annotations -import argparse import functools import inspect import json @@ -22,6 +21,7 @@ from scrapy.utils.misc import arg_to_iter from scrapy.utils.spider import spidercls_for_request if TYPE_CHECKING: + import argparse from collections.abc import AsyncGenerator, Coroutine, Iterable from twisted.python.failure import Failure diff --git a/scrapy/commands/runspider.py b/scrapy/commands/runspider.py index 7ec56899c..55211f8d7 100644 --- a/scrapy/commands/runspider.py +++ b/scrapy/commands/runspider.py @@ -1,6 +1,5 @@ from __future__ import annotations -import argparse import sys from importlib import import_module from pathlib import Path @@ -11,6 +10,7 @@ from scrapy.exceptions import UsageError from scrapy.utils.spider import iter_spider_classes if TYPE_CHECKING: + import argparse from os import PathLike from types import ModuleType diff --git a/scrapy/commands/shell.py b/scrapy/commands/shell.py index 27e6d68ee..4ca015f5e 100644 --- a/scrapy/commands/shell.py +++ b/scrapy/commands/shell.py @@ -9,7 +9,6 @@ from __future__ import annotations from threading import Thread from typing import TYPE_CHECKING, Any -from scrapy import Spider from scrapy.commands import ScrapyCommand from scrapy.http import Request from scrapy.shell import Shell @@ -19,6 +18,8 @@ from scrapy.utils.url import guess_scheme if TYPE_CHECKING: from argparse import ArgumentParser, Namespace + from scrapy import Spider + class Command(ScrapyCommand): requires_project = False diff --git a/scrapy/commands/startproject.py b/scrapy/commands/startproject.py index f54c02369..6da877610 100644 --- a/scrapy/commands/startproject.py +++ b/scrapy/commands/startproject.py @@ -1,6 +1,5 @@ from __future__ import annotations -import argparse import os import re import string @@ -8,12 +7,16 @@ from importlib.util import find_spec from pathlib import Path from shutil import copy2, copystat, ignore_patterns, move from stat import S_IWUSR as OWNER_WRITE_PERMISSION +from typing import TYPE_CHECKING import scrapy from scrapy.commands import ScrapyCommand from scrapy.exceptions import UsageError from scrapy.utils.template import render_templatefile, string_camelcase +if TYPE_CHECKING: + import argparse + TEMPLATES_TO_RENDER: tuple[tuple[str, ...], ...] = ( ("scrapy.cfg",), ("${project_name}", "settings.py.tmpl"), diff --git a/scrapy/core/downloader/__init__.py b/scrapy/core/downloader/__init__.py index 5040741e2..434b316e9 100644 --- a/scrapy/core/downloader/__init__.py +++ b/scrapy/core/downloader/__init__.py @@ -15,7 +15,6 @@ from scrapy.core.downloader.handlers import DownloadHandlers from scrapy.core.downloader.middleware import DownloaderMiddlewareManager from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.resolver import dnscache -from scrapy.signalmanager import SignalManager from scrapy.utils.defer import mustbe_deferred from scrapy.utils.httpobj import urlparse_cached @@ -23,6 +22,7 @@ if TYPE_CHECKING: from scrapy.crawler import Crawler from scrapy.http import Response from scrapy.settings import BaseSettings + from scrapy.signalmanager import SignalManager _T = TypeVar("_T") diff --git a/scrapy/core/downloader/handlers/__init__.py b/scrapy/core/downloader/handlers/__init__.py index 20377ac06..7f3da67eb 100644 --- a/scrapy/core/downloader/handlers/__init__.py +++ b/scrapy/core/downloader/handlers/__init__.py @@ -3,7 +3,6 @@ from __future__ import annotations import logging -from collections.abc import Callable from typing import TYPE_CHECKING, Any, Protocol, cast from twisted.internet import defer @@ -15,7 +14,7 @@ from scrapy.utils.misc import build_from_crawler, load_object from scrapy.utils.python import without_none_values if TYPE_CHECKING: - from collections.abc import Generator + from collections.abc import Callable, Generator from twisted.internet.defer import Deferred diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index 60cffae35..5480df72c 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -17,13 +17,9 @@ from twisted.internet.task import LoopingCall from twisted.python.failure import Failure from scrapy import signals -from scrapy.core.downloader import Downloader from scrapy.core.scraper import Scraper, _HandleOutputDeferred from scrapy.exceptions import CloseSpider, DontCloseSpider, IgnoreRequest from scrapy.http import Request, Response -from scrapy.logformatter import LogFormatter -from scrapy.settings import Settings -from scrapy.signalmanager import SignalManager from scrapy.utils.log import failure_to_exc_info, logformatter_adapter from scrapy.utils.misc import build_from_crawler, load_object from scrapy.utils.reactor import CallLaterOnce @@ -31,9 +27,12 @@ from scrapy.utils.reactor import CallLaterOnce if TYPE_CHECKING: from collections.abc import Callable, Generator, Iterable, Iterator + from scrapy.core.downloader import Downloader from scrapy.core.scheduler import BaseScheduler from scrapy.crawler import Crawler - from scrapy.settings import BaseSettings + from scrapy.logformatter import LogFormatter + from scrapy.settings import BaseSettings, Settings + from scrapy.signalmanager import SignalManager from scrapy.spiders import Spider diff --git a/scrapy/core/scraper.py b/scrapy/core/scraper.py index 83dad0c0b..03301717d 100644 --- a/scrapy/core/scraper.py +++ b/scrapy/core/scraper.py @@ -16,9 +16,6 @@ from scrapy import Spider, signals from scrapy.core.spidermw import SpiderMiddlewareManager from scrapy.exceptions import CloseSpider, DropItem, IgnoreRequest from scrapy.http import Request, Response -from scrapy.logformatter import LogFormatter -from scrapy.pipelines import ItemPipelineManager -from scrapy.signalmanager import SignalManager from scrapy.utils.defer import ( aiter_errback, defer_fail, @@ -35,6 +32,9 @@ if TYPE_CHECKING: from collections.abc import Generator, Iterable from scrapy.crawler import Crawler + from scrapy.logformatter import LogFormatter + from scrapy.pipelines import ItemPipelineManager + from scrapy.signalmanager import SignalManager logger = logging.getLogger(__name__) diff --git a/scrapy/crawler.py b/scrapy/crawler.py index 1ad837a47..05af1bf8a 100644 --- a/scrapy/crawler.py +++ b/scrapy/crawler.py @@ -18,10 +18,8 @@ from scrapy.addons import AddonManager from scrapy.core.engine import ExecutionEngine from scrapy.extension import ExtensionManager from scrapy.interfaces import ISpiderLoader -from scrapy.logformatter import LogFormatter from scrapy.settings import BaseSettings, Settings, overridden_settings from scrapy.signalmanager import SignalManager -from scrapy.statscollectors import StatsCollector from scrapy.utils.log import ( LogCounterHandler, configure_logging, @@ -42,7 +40,9 @@ from scrapy.utils.reactor import ( if TYPE_CHECKING: from collections.abc import Generator, Iterable + from scrapy.logformatter import LogFormatter from scrapy.spiderloader import SpiderLoader + from scrapy.statscollectors import StatsCollector from scrapy.utils.request import RequestFingerprinter diff --git a/scrapy/exporters.py b/scrapy/exporters.py index c9350a956..9380b7e78 100644 --- a/scrapy/exporters.py +++ b/scrapy/exporters.py @@ -10,8 +10,7 @@ import pickle # nosec import pprint from collections.abc import Callable, Iterable, Mapping from io import BytesIO, TextIOWrapper -from json import JSONEncoder -from typing import Any +from typing import TYPE_CHECKING, Any from xml.sax.saxutils import XMLGenerator # nosec from xml.sax.xmlreader import AttributesImpl # nosec @@ -21,6 +20,9 @@ from scrapy.item import Field, Item from scrapy.utils.python import is_listlike, to_bytes, to_unicode from scrapy.utils.serialize import ScrapyJSONEncoder +if TYPE_CHECKING: + from json import JSONEncoder + __all__ = [ "BaseItemExporter", "PprintItemExporter", diff --git a/scrapy/extensions/feedexport.py b/scrapy/extensions/feedexport.py index 0cf44aed8..f6415ad8e 100644 --- a/scrapy/extensions/feedexport.py +++ b/scrapy/extensions/feedexport.py @@ -25,7 +25,6 @@ from zope.interface import Interface, implementer from scrapy import Spider, signals from scrapy.exceptions import NotConfigured, ScrapyDeprecationWarning from scrapy.extensions.postprocessing import PostProcessingManager -from scrapy.settings import Settings from scrapy.utils.conf import feed_complete_default_values_from_settings from scrapy.utils.defer import maybe_deferred_to_future from scrapy.utils.ftp import ftp_store_file @@ -44,7 +43,7 @@ if TYPE_CHECKING: from scrapy.crawler import Crawler from scrapy.exporters import BaseItemExporter - from scrapy.settings import BaseSettings + from scrapy.settings import BaseSettings, Settings logger = logging.getLogger(__name__) diff --git a/scrapy/extensions/httpcache.py b/scrapy/extensions/httpcache.py index 0e6120c21..0edcce888 100644 --- a/scrapy/extensions/httpcache.py +++ b/scrapy/extensions/httpcache.py @@ -2,13 +2,11 @@ from __future__ import annotations import gzip import logging -import os import pickle # nosec from email.utils import mktime_tz, parsedate_tz from importlib import import_module from pathlib import Path from time import time -from types import ModuleType from typing import IO, TYPE_CHECKING, Any, cast from weakref import WeakKeyDictionary @@ -19,10 +17,11 @@ from scrapy.responsetypes import responsetypes from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.project import data_path from scrapy.utils.python import to_bytes, to_unicode -from scrapy.utils.request import RequestFingerprinter if TYPE_CHECKING: + import os from collections.abc import Callable + from types import ModuleType # typing.Concatenate requires Python 3.10 from typing_extensions import Concatenate @@ -30,6 +29,7 @@ if TYPE_CHECKING: from scrapy.http.request import Request from scrapy.settings import BaseSettings from scrapy.spiders import Spider + from scrapy.utils.request import RequestFingerprinter logger = logging.getLogger(__name__) diff --git a/scrapy/extensions/periodic_log.py b/scrapy/extensions/periodic_log.py index f2e3782a4..7cf08a1bb 100644 --- a/scrapy/extensions/periodic_log.py +++ b/scrapy/extensions/periodic_log.py @@ -2,7 +2,6 @@ from __future__ import annotations import logging from datetime import datetime, timezone -from json import JSONEncoder from typing import TYPE_CHECKING, Any from twisted.internet import task @@ -13,6 +12,8 @@ from scrapy.utils.serialize import ScrapyJSONEncoder if TYPE_CHECKING: # typing.Self requires Python 3.11 + from json import JSONEncoder + from typing_extensions import Self from scrapy.crawler import Crawler diff --git a/scrapy/extensions/telnet.py b/scrapy/extensions/telnet.py index 07dc5880b..89c83d20d 100644 --- a/scrapy/extensions/telnet.py +++ b/scrapy/extensions/telnet.py @@ -13,7 +13,6 @@ import pprint from typing import TYPE_CHECKING, Any from twisted.internet import protocol -from twisted.internet.tcp import Port from scrapy import signals from scrapy.exceptions import NotConfigured @@ -24,6 +23,7 @@ from scrapy.utils.trackref import print_live_refs if TYPE_CHECKING: from twisted.conch import telnet + from twisted.internet.tcp import Port # typing.Self requires Python 3.11 from typing_extensions import Self diff --git a/scrapy/http/request/__init__.py b/scrapy/http/request/__init__.py index 9c29ea4d1..107469504 100644 --- a/scrapy/http/request/__init__.py +++ b/scrapy/http/request/__init__.py @@ -21,7 +21,6 @@ from typing import ( from w3lib.url import safe_url_string -import scrapy from scrapy.http.headers import Headers from scrapy.utils.curl import curl_to_request_kwargs from scrapy.utils.python import to_bytes @@ -37,6 +36,7 @@ if TYPE_CHECKING: # typing.NotRequired and typing.Self require Python 3.11 from typing_extensions import Concatenate, NotRequired, Self + from scrapy import Spider from scrapy.http import Response CallbackT = Callable[Concatenate[Response, ...], Any] @@ -252,7 +252,7 @@ class Request(object_ref): request_kwargs.update(kwargs) return cls(**request_kwargs) - def to_dict(self, *, spider: scrapy.Spider | None = None) -> dict[str, Any]: + def to_dict(self, *, spider: Spider | None = None) -> dict[str, Any]: """Return a dictionary containing the Request's data. Use :func:`~scrapy.utils.request.request_from_dict` to convert back into a :class:`~scrapy.Request` object. diff --git a/scrapy/pqueues.py b/scrapy/pqueues.py index 28e2073a2..4dea5afea 100644 --- a/scrapy/pqueues.py +++ b/scrapy/pqueues.py @@ -5,7 +5,6 @@ import logging from typing import TYPE_CHECKING, Protocol, cast from scrapy import Request -from scrapy.core.downloader import Downloader from scrapy.utils.misc import build_from_crawler if TYPE_CHECKING: @@ -14,6 +13,7 @@ if TYPE_CHECKING: # typing.Self requires Python 3.11 from typing_extensions import Self + from scrapy.core.downloader import Downloader from scrapy.crawler import Crawler logger = logging.getLogger(__name__) diff --git a/scrapy/utils/conf.py b/scrapy/utils/conf.py index e621525f2..a86aad51c 100644 --- a/scrapy/utils/conf.py +++ b/scrapy/utils/conf.py @@ -3,7 +3,6 @@ from __future__ import annotations import numbers import os import sys -from collections.abc import Iterable from configparser import ConfigParser from operator import itemgetter from pathlib import Path @@ -15,7 +14,7 @@ from scrapy.utils.deprecate import update_classpath from scrapy.utils.python import without_none_values if TYPE_CHECKING: - from collections.abc import Collection, Mapping, MutableMapping + from collections.abc import Collection, Iterable, Mapping, MutableMapping def build_component_list( diff --git a/scrapy/utils/reactor.py b/scrapy/utils/reactor.py index ac4358410..2102ce798 100644 --- a/scrapy/utils/reactor.py +++ b/scrapy/utils/reactor.py @@ -7,7 +7,6 @@ from typing import TYPE_CHECKING, Any, Generic, TypeVar from warnings import catch_warnings, filterwarnings from twisted.internet import asyncioreactor, error -from twisted.internet.base import DelayedCall from scrapy.utils.misc import load_object @@ -15,6 +14,7 @@ if TYPE_CHECKING: from asyncio import AbstractEventLoop, AbstractEventLoopPolicy from collections.abc import Callable + from twisted.internet.base import DelayedCall from twisted.internet.protocol import ServerFactory from twisted.internet.tcp import Port diff --git a/scrapy/utils/test.py b/scrapy/utils/test.py index 92b73a91a..a7b84baef 100644 --- a/scrapy/utils/test.py +++ b/scrapy/utils/test.py @@ -16,7 +16,6 @@ from unittest import TestCase, mock from twisted.trial.unittest import SkipTest from scrapy import Spider -from scrapy.crawler import Crawler from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.utils.boto import is_botocore_available @@ -26,6 +25,8 @@ if TYPE_CHECKING: from twisted.internet.defer import Deferred from twisted.web.client import Response as TxResponse + from scrapy.crawler import Crawler + _T = TypeVar("_T") From 0d7a5e760d5f7761fc819e788f24448349b4c129 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 10 Dec 2024 01:42:03 +0500 Subject: [PATCH 330/786] Fix building docs. --- scrapy/http/request/__init__.py | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/scrapy/http/request/__init__.py b/scrapy/http/request/__init__.py index 107469504..a96a215f4 100644 --- a/scrapy/http/request/__init__.py +++ b/scrapy/http/request/__init__.py @@ -21,6 +21,8 @@ from typing import ( from w3lib.url import safe_url_string +# a workaround for the docs "more than one target found" problem +import scrapy # noqa: TC001 from scrapy.http.headers import Headers from scrapy.utils.curl import curl_to_request_kwargs from scrapy.utils.python import to_bytes @@ -36,7 +38,6 @@ if TYPE_CHECKING: # typing.NotRequired and typing.Self require Python 3.11 from typing_extensions import Concatenate, NotRequired, Self - from scrapy import Spider from scrapy.http import Response CallbackT = Callable[Concatenate[Response, ...], Any] @@ -252,7 +253,7 @@ class Request(object_ref): request_kwargs.update(kwargs) return cls(**request_kwargs) - def to_dict(self, *, spider: Spider | None = None) -> dict[str, Any]: + def to_dict(self, *, spider: scrapy.Spider | None = None) -> dict[str, Any]: """Return a dictionary containing the Request's data. Use :func:`~scrapy.utils.request.request_from_dict` to convert back into a :class:`~scrapy.Request` object. From ba30f64268c011387959e939032315b9462da638 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 10 Dec 2024 14:52:16 +0500 Subject: [PATCH 331/786] Remove flake8. --- .flake8 | 82 ----------------------------------------- .pre-commit-config.yaml | 11 ------ 2 files changed, 93 deletions(-) delete mode 100644 .flake8 diff --git a/.flake8 b/.flake8 deleted file mode 100644 index c4814f13a..000000000 --- a/.flake8 +++ /dev/null @@ -1,82 +0,0 @@ -[flake8] - -max-line-length = 119 -extend-select = TC, TC1 -ignore = - # black disagrees with flake8 about these - E203, E501, E701, E704, W503 - - # Assigning to `os.environ` doesn't clear the environment. - B003 - # Do not use mutable data structures for argument defaults. - B006 - # Loop control variable not used within the loop body. - B007 - # Do not perform function calls in argument defaults. - B008 - # return/continue/break inside finally blocks cause exceptions to be - # silenced. - B012 - # Star-arg unpacking after a keyword argument is strongly discouraged - B026 - # No explicit stacklevel argument found. - B028 - - # docstring does contain unindexed parameters - P102 - # other string does contain unindexed parameters - P103 - - # Missing docstring in public module - D100 - # Missing docstring in public class - D101 - # Missing docstring in public method - D102 - # Missing docstring in public function - D103 - # Missing docstring in public package - D104 - # Missing docstring in magic method - D105 - # Missing docstring in public nested class - D106 - # Missing docstring in __init__ - D107 - # One-line docstring should fit on one line with quotes - D200 - # No blank lines allowed after function docstring - D202 - # 1 blank line required between summary line and description - D205 - # Multi-line docstring closing quotes should be on a separate line - D209 - # First line should end with a period - D400 - # First line should be in imperative mood; try rephrasing - D401 - # First line should not be the function's "signature" - D402 - # First word of the first line should be properly capitalized - D403 - - # Annotation in typing.cast() should be a string literal - TC006 -exclude = - docs/conf.py - -per-file-ignores = -# Exclude files that are meant to provide top-level imports -# E402: Module level import not at top of file -# F401: Module imported but unused - scrapy/__init__.py:E402 - scrapy/core/downloader/handlers/http.py:F401 - scrapy/http/__init__.py:F401 - scrapy/linkextractors/__init__.py:E402,F401 - scrapy/selector/__init__.py:F401 - scrapy/spiders/__init__.py:E402,F401 - tests/CrawlerRunner/change_reactor.py:E402 - - # Issues pending a review: - scrapy/utils/url.py:F403,F405 - tests/test_loader.py:E741 diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml index ec8693c00..49db3f610 100644 --- a/.pre-commit-config.yaml +++ b/.pre-commit-config.yaml @@ -9,17 +9,6 @@ repos: - id: bandit args: ["-c", "pyproject.toml"] additional_dependencies: ["bandit[toml]"] -- repo: https://github.com/PyCQA/flake8 - rev: 7.1.0 - hooks: - - id: flake8 - additional_dependencies: - - flake8-bugbear - - flake8-comprehensions - - flake8-debugger - - flake8-docstrings - - flake8-string-format - - flake8-type-checking - repo: https://github.com/psf/black.git rev: 24.4.2 hooks: From f4d8d6d8acf8ed26230c3c2b2b51425659de7105 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 10 Dec 2024 14:58:45 +0500 Subject: [PATCH 332/786] Tidy up noqa comments. --- pyproject.toml | 1 - tests/CrawlerRunner/change_reactor.py | 4 ++-- tests/test_feedexport.py | 6 +++--- tests/test_item.py | 4 +--- 4 files changed, 6 insertions(+), 9 deletions(-) diff --git a/pyproject.toml b/pyproject.toml index 4d20e5c1c..1378bab50 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -310,7 +310,6 @@ ignore = [ # Issues pending a review: "docs/conf.py" = ["E402"] "scrapy/utils/url.py" = ["F403", "F405"] -"tests/CrawlerRunner/change_reactor.py" = ["E402"] "tests/test_loader.py" = ["E741"] [tool.ruff.lint.pydocstyle] diff --git a/tests/CrawlerRunner/change_reactor.py b/tests/CrawlerRunner/change_reactor.py index b20aa0c7c..de76e13e8 100644 --- a/tests/CrawlerRunner/change_reactor.py +++ b/tests/CrawlerRunner/change_reactor.py @@ -17,7 +17,7 @@ class NoRequestsSpider(Spider): configure_logging({"LOG_FORMAT": "%(levelname)s: %(message)s", "LOG_LEVEL": "DEBUG"}) -from scrapy.utils.reactor import install_reactor +from scrapy.utils.reactor import install_reactor # noqa: E402 install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") @@ -25,7 +25,7 @@ runner = CrawlerRunner() d = runner.crawl(NoRequestsSpider) -from twisted.internet import reactor +from twisted.internet import reactor # noqa: E402 d.addBoth(callback=lambda _: reactor.stop()) reactor.run() diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py index 790c347fb..c3d429c2b 100644 --- a/tests/test_feedexport.py +++ b/tests/test_feedexport.py @@ -473,7 +473,7 @@ class S3FeedStorageTest(unittest.TestCase): class GCSFeedStorageTest(unittest.TestCase): def test_parse_settings(self): try: - from google.cloud.storage import Client # noqa + from google.cloud.storage import Client # noqa: F401 except ImportError: raise unittest.SkipTest("GCSFeedStorage requires google-cloud-storage") @@ -487,7 +487,7 @@ class GCSFeedStorageTest(unittest.TestCase): def test_parse_empty_acl(self): try: - from google.cloud.storage import Client # noqa + from google.cloud.storage import Client # noqa: F401 except ImportError: raise unittest.SkipTest("GCSFeedStorage requires google-cloud-storage") @@ -504,7 +504,7 @@ class GCSFeedStorageTest(unittest.TestCase): @defer.inlineCallbacks def test_store(self): try: - from google.cloud.storage import Client # noqa + from google.cloud.storage import Client # noqa: F401 except ImportError: raise unittest.SkipTest("GCSFeedStorage requires google-cloud-storage") diff --git a/tests/test_item.py b/tests/test_item.py index daf5d4f59..13243b67f 100644 --- a/tests/test_item.py +++ b/tests/test_item.py @@ -273,9 +273,7 @@ class ItemMetaTest(unittest.TestCase): def f(self): # For rationale of this see: # https://github.com/python/cpython/blob/ee1a81b77444c6715cbe610e951c655b6adab88b/Lib/test/test_super.py#L222 - return ( - __class__ # noqa https://github.com/scrapy/scrapy/issues/2836 - ) + return __class__ MyItem() From cde0845ab2ac390ad7671f50f52e7b6033d4bbc1 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 10 Dec 2024 22:53:27 +0400 Subject: [PATCH 333/786] Ruff: migrate pyupgrade and bandit, enable some other rules (#6577) --- .pre-commit-config.yaml | 11 -------- pyproject.toml | 39 ++++++++++++++++++++------- scrapy/commands/bench.py | 6 ++--- scrapy/commands/edit.py | 2 +- scrapy/commands/genspider.py | 2 +- scrapy/core/downloader/__init__.py | 2 +- scrapy/downloadermiddlewares/retry.py | 2 +- scrapy/exporters.py | 6 ++--- scrapy/extensions/feedexport.py | 2 +- scrapy/extensions/httpcache.py | 6 ++--- scrapy/extensions/spiderstate.py | 4 +-- scrapy/http/request/form.py | 12 +++++---- scrapy/http/response/__init__.py | 2 +- scrapy/http/response/text.py | 2 +- scrapy/linkextractors/lxmlhtml.py | 4 +-- scrapy/pipelines/files.py | 6 ++--- scrapy/pipelines/images.py | 4 +-- scrapy/pqueues.py | 2 +- scrapy/settings/default_settings.py | 2 +- scrapy/shell.py | 2 +- scrapy/squeues.py | 2 +- scrapy/utils/benchserver.py | 2 +- scrapy/utils/engine.py | 2 +- scrapy/utils/iterators.py | 14 +++++----- scrapy/utils/misc.py | 2 +- scrapy/utils/python.py | 2 +- scrapy/utils/request.py | 4 ++- scrapy/utils/response.py | 2 +- scrapy/utils/sitemap.py | 4 +-- scrapy/utils/url.py | 2 +- scrapy/utils/versions.py | 2 +- tests/test_commands.py | 2 +- tests/test_engine.py | 4 +-- tests/test_pipeline_files.py | 2 +- tests/test_robotstxt_interface.py | 4 +-- tests/test_utils_trackref.py | 20 +++++++------- tests/test_webclient.py | 4 +-- 37 files changed, 103 insertions(+), 89 deletions(-) diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml index 49db3f610..b273e269b 100644 --- a/.pre-commit-config.yaml +++ b/.pre-commit-config.yaml @@ -3,12 +3,6 @@ repos: rev: v0.8.1 hooks: - id: ruff -- repo: https://github.com/PyCQA/bandit - rev: 1.7.9 - hooks: - - id: bandit - args: ["-c", "pyproject.toml"] - additional_dependencies: ["bandit[toml]"] - repo: https://github.com/psf/black.git rev: 24.4.2 hooks: @@ -23,8 +17,3 @@ repos: - id: blacken-docs additional_dependencies: - black==24.4.2 -- repo: https://github.com/asottile/pyupgrade - rev: v3.18.0 - hooks: - - id: pyupgrade - args: [--py39-plus] diff --git a/pyproject.toml b/pyproject.toml index 1378bab50..977792178 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -92,16 +92,6 @@ follow_imports = "skip" module = "scrapy.settings.default_settings" ignore_errors = true -[tool.bandit] -skips = [ - "B101", # assert_used, needed for mypy - "B321", # ftplib, https://github.com/scrapy/scrapy/issues/4180 - "B402", # import_ftplib, https://github.com/scrapy/scrapy/issues/4180 - "B411", # import_xmlrpclib, https://github.com/PyCQA/bandit/issues/1082 - "B503", # ssl_with_bad_defaults -] -exclude_dirs = ["tests"] - [tool.bumpversion] current_version = "2.12.0" commit = true @@ -242,10 +232,30 @@ extend-select = [ "C4", # pydocstyle "D", + # flake8-future-annotations + "FA", + # refurb + "FURB", + # flake8-implicit-str-concat + "ISC", + # flake8-logging + "LOG", + # pygrep-hooks + "PGH", + # flake8-quotes + "Q", + # flake8-bandit + "S", + # flake8-slots + "SLOT", # flake8-debugger "T10", # flake8-type-checking "TC", + # pyupgrade + "UP", + # flake8-2020 + "YTT", ] ignore = [ # Assigning to `os.environ` doesn't clear the environment. @@ -296,6 +306,12 @@ ignore = [ "D402", # First word of the first line should be properly capitalized "D403", + # Use of `assert` detected; needed for mypy + "S101", + # FTP-related functions are being called; https://github.com/scrapy/scrapy/issues/4180 + "S321", + # Argument default set to insecure SSL protocol + "S503", ] [tool.ruff.lint.per-file-ignores] @@ -307,6 +323,9 @@ ignore = [ "scrapy/selector/__init__.py" = ["F401"] "scrapy/spiders/__init__.py" = ["E402", "F401"] +# Skip bandit in tests +"tests/**" = ["S"] + # Issues pending a review: "docs/conf.py" = ["E402"] "scrapy/utils/url.py" = ["F403", "F405"] diff --git a/scrapy/commands/bench.py b/scrapy/commands/bench.py index b96c63eb7..714bc38da 100644 --- a/scrapy/commands/bench.py +++ b/scrapy/commands/bench.py @@ -1,6 +1,6 @@ from __future__ import annotations -import subprocess # nosec +import subprocess import sys import time from typing import TYPE_CHECKING, Any @@ -40,9 +40,9 @@ class _BenchServer: from scrapy.utils.test import get_testenv pargs = [sys.executable, "-u", "-m", "scrapy.utils.benchserver"] - self.proc = subprocess.Popen( + self.proc = subprocess.Popen( # noqa: S603 pargs, stdout=subprocess.PIPE, env=get_testenv() - ) # nosec + ) assert self.proc.stdout self.proc.stdout.readline() diff --git a/scrapy/commands/edit.py b/scrapy/commands/edit.py index 438375e02..0e046cece 100644 --- a/scrapy/commands/edit.py +++ b/scrapy/commands/edit.py @@ -41,4 +41,4 @@ class Command(ScrapyCommand): sfile = sys.modules[spidercls.__module__].__file__ assert sfile sfile = sfile.replace(".pyc", ".py") - self.exitcode = os.system(f'{editor} "{sfile}"') # nosec + self.exitcode = os.system(f'{editor} "{sfile}"') # noqa: S605 diff --git a/scrapy/commands/genspider.py b/scrapy/commands/genspider.py index 2e70b2865..38f917c7e 100644 --- a/scrapy/commands/genspider.py +++ b/scrapy/commands/genspider.py @@ -118,7 +118,7 @@ class Command(ScrapyCommand): if template_file: self._genspider(module, name, url, opts.template, template_file) if opts.edit: - self.exitcode = os.system(f'scrapy edit "{name}"') # nosec + self.exitcode = os.system(f'scrapy edit "{name}"') # noqa: S605 def _generate_template_variables( self, diff --git a/scrapy/core/downloader/__init__.py b/scrapy/core/downloader/__init__.py index 434b316e9..78dc16df6 100644 --- a/scrapy/core/downloader/__init__.py +++ b/scrapy/core/downloader/__init__.py @@ -52,7 +52,7 @@ class Slot: def download_delay(self) -> float: if self.randomize_delay: - return random.uniform(0.5 * self.delay, 1.5 * self.delay) # nosec + return random.uniform(0.5 * self.delay, 1.5 * self.delay) # noqa: S311 return self.delay def close(self) -> None: diff --git a/scrapy/downloadermiddlewares/retry.py b/scrapy/downloadermiddlewares/retry.py index 9fab172a8..723fe5e93 100644 --- a/scrapy/downloadermiddlewares/retry.py +++ b/scrapy/downloadermiddlewares/retry.py @@ -115,7 +115,7 @@ def get_retry_request( return new_request stats.inc_value(f"{stats_base_key}/max_reached") logger.error( - "Gave up retrying %(request)s (failed %(retry_times)d times): " "%(reason)s", + "Gave up retrying %(request)s (failed %(retry_times)d times): %(reason)s", {"request": request, "retry_times": retry_times, "reason": reason}, extra={"spider": spider}, ) diff --git a/scrapy/exporters.py b/scrapy/exporters.py index 9380b7e78..b6997ef67 100644 --- a/scrapy/exporters.py +++ b/scrapy/exporters.py @@ -6,13 +6,13 @@ from __future__ import annotations import csv import marshal -import pickle # nosec +import pickle import pprint from collections.abc import Callable, Iterable, Mapping from io import BytesIO, TextIOWrapper from typing import TYPE_CHECKING, Any -from xml.sax.saxutils import XMLGenerator # nosec -from xml.sax.xmlreader import AttributesImpl # nosec +from xml.sax.saxutils import XMLGenerator +from xml.sax.xmlreader import AttributesImpl from itemadapter import ItemAdapter, is_item diff --git a/scrapy/extensions/feedexport.py b/scrapy/extensions/feedexport.py index f6415ad8e..edea7cc39 100644 --- a/scrapy/extensions/feedexport.py +++ b/scrapy/extensions/feedexport.py @@ -681,7 +681,7 @@ class FeedExporter: return True except NotConfigured as e: logger.error( - "Disabled feed storage scheme: %(scheme)s. " "Reason: %(reason)s", + "Disabled feed storage scheme: %(scheme)s. Reason: %(reason)s", {"scheme": scheme, "reason": str(e)}, ) else: diff --git a/scrapy/extensions/httpcache.py b/scrapy/extensions/httpcache.py index 0edcce888..965d6434b 100644 --- a/scrapy/extensions/httpcache.py +++ b/scrapy/extensions/httpcache.py @@ -2,7 +2,7 @@ from __future__ import annotations import gzip import logging -import pickle # nosec +import pickle from email.utils import mktime_tz, parsedate_tz from importlib import import_module from pathlib import Path @@ -309,7 +309,7 @@ class DbmCacheStorage: if 0 < self.expiration_secs < time() - float(ts): return None # expired - return cast(dict[str, Any], pickle.loads(db[f"{key}_data"])) # nosec + return cast(dict[str, Any], pickle.loads(db[f"{key}_data"])) # noqa: S301 class FilesystemCacheStorage: @@ -392,7 +392,7 @@ class FilesystemCacheStorage: if 0 < self.expiration_secs < time() - mtime: return None # expired with self._open(metapath, "rb") as f: - return cast(dict[str, Any], pickle.load(f)) # nosec + return cast(dict[str, Any], pickle.load(f)) # noqa: S301 def parse_cachecontrol(header: bytes) -> dict[bytes, bytes | None]: diff --git a/scrapy/extensions/spiderstate.py b/scrapy/extensions/spiderstate.py index 642919be9..7b8756572 100644 --- a/scrapy/extensions/spiderstate.py +++ b/scrapy/extensions/spiderstate.py @@ -1,6 +1,6 @@ from __future__ import annotations -import pickle # nosec +import pickle from pathlib import Path from typing import TYPE_CHECKING @@ -41,7 +41,7 @@ class SpiderState: def spider_opened(self, spider: Spider) -> None: if self.jobdir and Path(self.statefn).exists(): with Path(self.statefn).open("rb") as f: - spider.state = pickle.load(f) # type: ignore[attr-defined] # nosec + spider.state = pickle.load(f) # type: ignore[attr-defined] # noqa: S301 else: spider.state = {} # type: ignore[attr-defined] diff --git a/scrapy/http/request/form.py b/scrapy/http/request/form.py index b3c3d7c7a..de3b24de0 100644 --- a/scrapy/http/request/form.py +++ b/scrapy/http/request/form.py @@ -11,11 +11,13 @@ from collections.abc import Iterable from typing import TYPE_CHECKING, Any, Optional, Union, cast from urllib.parse import urlencode, urljoin, urlsplit, urlunsplit -from lxml.html import FormElement # nosec -from lxml.html import InputElement # nosec -from lxml.html import MultipleSelectOptions # nosec -from lxml.html import SelectElement # nosec -from lxml.html import TextareaElement # nosec +from lxml.html import ( + FormElement, + InputElement, + MultipleSelectOptions, + SelectElement, + TextareaElement, +) from w3lib.html import strip_html5_whitespace from scrapy.http.request import Request diff --git a/scrapy/http/response/__init__.py b/scrapy/http/response/__init__.py index d50388548..387805f57 100644 --- a/scrapy/http/response/__init__.py +++ b/scrapy/http/response/__init__.py @@ -107,7 +107,7 @@ class Response(object_ref): self._url: str = url else: raise TypeError( - f"{type(self).__name__} url must be str, " f"got {type(url).__name__}" + f"{type(self).__name__} url must be str, got {type(url).__name__}" ) @property diff --git a/scrapy/http/response/text.py b/scrapy/http/response/text.py index c713f6188..f954b5e9e 100644 --- a/scrapy/http/response/text.py +++ b/scrapy/http/response/text.py @@ -308,7 +308,7 @@ def _url_from_selector(sel: parsel.Selector) -> str: raise _InvalidSelector(f"Unsupported selector: {sel}") if sel.root.tag not in ("a", "link"): raise _InvalidSelector( - "Only <a> and <link> elements are supported; " f"got <{sel.root.tag}>" + f"Only <a> and <link> elements are supported; got <{sel.root.tag}>" ) href = sel.root.get("href") if href is None: diff --git a/scrapy/linkextractors/lxmlhtml.py b/scrapy/linkextractors/lxmlhtml.py index 192f937ce..bd96ccf19 100644 --- a/scrapy/linkextractors/lxmlhtml.py +++ b/scrapy/linkextractors/lxmlhtml.py @@ -12,7 +12,7 @@ from functools import partial from typing import TYPE_CHECKING, Any, Union, cast from urllib.parse import urljoin, urlparse -from lxml import etree # nosec +from lxml import etree from parsel.csstranslator import HTMLTranslator from w3lib.html import strip_html5_whitespace from w3lib.url import canonicalize_url, safe_url_string @@ -26,7 +26,7 @@ from scrapy.utils.url import url_has_any_extension, url_is_from_any_domain if TYPE_CHECKING: - from lxml.html import HtmlElement # nosec + from lxml.html import HtmlElement from scrapy import Selector from scrapy.http import TextResponse diff --git a/scrapy/pipelines/files.py b/scrapy/pipelines/files.py index bebf6039b..16bd45c00 100644 --- a/scrapy/pipelines/files.py +++ b/scrapy/pipelines/files.py @@ -66,7 +66,7 @@ def _md5sum(file: IO[bytes]) -> str: >>> _md5sum(BytesIO(b'file content to hash')) '784406af91dd5a54fbb9c84c2236595a' """ - m = hashlib.md5() # nosec + m = hashlib.md5() # noqa: S324 while True: d = file.read(8096) if not d: @@ -399,7 +399,7 @@ class FTPFilesStore: ftp.set_pasv(False) file_path = f"{self.basedir}/{path}" last_modified = float(ftp.voidcmd(f"MDTM {file_path}")[4:].strip()) - m = hashlib.md5() # nosec + m = hashlib.md5() # noqa: S324 ftp.retrbinary(f"RETR {file_path}", m.update) return {"last_modified": last_modified, "checksum": m.hexdigest()} # The file doesn't exist @@ -734,7 +734,7 @@ class FilesPipeline(MediaPipeline): *, item: Any = None, ) -> str: - media_guid = hashlib.sha1(to_bytes(request.url)).hexdigest() # nosec + media_guid = hashlib.sha1(to_bytes(request.url)).hexdigest() # noqa: S324 media_ext = Path(request.url).suffix # Handles empty and wild extensions by trying to guess the # mime type then extension or default to empty string otherwise diff --git a/scrapy/pipelines/images.py b/scrapy/pipelines/images.py index e86e7c493..29dc13f0a 100644 --- a/scrapy/pipelines/images.py +++ b/scrapy/pipelines/images.py @@ -258,7 +258,7 @@ class ImagesPipeline(FilesPipeline): *, item: Any = None, ) -> str: - image_guid = hashlib.sha1(to_bytes(request.url)).hexdigest() # nosec + image_guid = hashlib.sha1(to_bytes(request.url)).hexdigest() # noqa: S324 return f"full/{image_guid}.jpg" def thumb_path( @@ -270,5 +270,5 @@ class ImagesPipeline(FilesPipeline): *, item: Any = None, ) -> str: - thumb_guid = hashlib.sha1(to_bytes(request.url)).hexdigest() # nosec + thumb_guid = hashlib.sha1(to_bytes(request.url)).hexdigest() # noqa: S324 return f"thumbs/{thumb_id}/{thumb_guid}.jpg" diff --git a/scrapy/pqueues.py b/scrapy/pqueues.py index 4dea5afea..5b2f81335 100644 --- a/scrapy/pqueues.py +++ b/scrapy/pqueues.py @@ -33,7 +33,7 @@ def _path_safe(text: str) -> str: pathable_slot = "".join([c if c.isalnum() or c in "-._" else "_" for c in text]) # as we replace some letters we can get collision for different slots # add we add unique part - unique_slot = hashlib.md5(text.encode("utf8")).hexdigest() # nosec + unique_slot = hashlib.md5(text.encode("utf8")).hexdigest() # noqa: S324 return "-".join([pathable_slot, unique_slot]) diff --git a/scrapy/settings/default_settings.py b/scrapy/settings/default_settings.py index 7ba0128a5..89ab21fbe 100644 --- a/scrapy/settings/default_settings.py +++ b/scrapy/settings/default_settings.py @@ -178,7 +178,7 @@ FILES_STORE_S3_ACL = "private" FILES_STORE_GCS_ACL = "" FTP_USER = "anonymous" -FTP_PASSWORD = "guest" # nosec +FTP_PASSWORD = "guest" # noqa: S105 FTP_PASSIVE_MODE = True GCS_PROJECT_ID = None diff --git a/scrapy/shell.py b/scrapy/shell.py index 31349c4ff..5d0ab1e4d 100644 --- a/scrapy/shell.py +++ b/scrapy/shell.py @@ -70,7 +70,7 @@ class Shell: else: self.populate_vars() if self.code: - print(eval(self.code, globals(), self.vars)) # nosec + print(eval(self.code, globals(), self.vars)) # noqa: S307 else: """ Detect interactive shell setting in scrapy.cfg diff --git a/scrapy/squeues.py b/scrapy/squeues.py index 7732187fd..80bb37e93 100644 --- a/scrapy/squeues.py +++ b/scrapy/squeues.py @@ -5,7 +5,7 @@ Scheduler queues from __future__ import annotations import marshal -import pickle # nosec +import pickle from pathlib import Path from typing import TYPE_CHECKING, Any diff --git a/scrapy/utils/benchserver.py b/scrapy/utils/benchserver.py index 550516141..923ec005e 100644 --- a/scrapy/utils/benchserver.py +++ b/scrapy/utils/benchserver.py @@ -15,7 +15,7 @@ class Root(Resource): def render(self, request: Request) -> bytes: total = _getarg(request, b"total", 100, int) show = _getarg(request, b"show", 10, int) - nlist = [random.randint(1, total) for _ in range(show)] # nosec + nlist = [random.randint(1, total) for _ in range(show)] # noqa: S311 request.write(b"<html><head></head><body>") assert request.args is not None args = request.args.copy() diff --git a/scrapy/utils/engine.py b/scrapy/utils/engine.py index 1430ed8d6..1948009e8 100644 --- a/scrapy/utils/engine.py +++ b/scrapy/utils/engine.py @@ -32,7 +32,7 @@ def get_engine_status(engine: ExecutionEngine) -> list[tuple[str, Any]]: checks: list[tuple[str, Any]] = [] for test in tests: try: - checks += [(test, eval(test))] # nosec + checks += [(test, eval(test))] # noqa: S307 except Exception as e: checks += [(test, f"{type(e).__name__} (exception)")] diff --git a/scrapy/utils/iterators.py b/scrapy/utils/iterators.py index ba58d939c..e8ed7b60a 100644 --- a/scrapy/utils/iterators.py +++ b/scrapy/utils/iterators.py @@ -7,7 +7,7 @@ from io import StringIO from typing import TYPE_CHECKING, Any, Literal, cast, overload from warnings import warn -from lxml import etree # nosec +from lxml import etree from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.http import Response, TextResponse @@ -41,10 +41,10 @@ def xmliter(obj: Response | str | bytes, nodename: str) -> Iterator[Selector]: nodename_patt = re.escape(nodename) - DOCUMENT_HEADER_RE = re.compile(r"<\?xml[^>]+>\s*", re.S) - HEADER_END_RE = re.compile(rf"<\s*/{nodename_patt}\s*>", re.S) - END_TAG_RE = re.compile(r"<\s*/([^\s>]+)\s*>", re.S) - NAMESPACE_RE = re.compile(r"((xmlns[:A-Za-z]*)=[^>\s]+)", re.S) + DOCUMENT_HEADER_RE = re.compile(r"<\?xml[^>]+>\s*", re.DOTALL) + HEADER_END_RE = re.compile(rf"<\s*/{nodename_patt}\s*>", re.DOTALL) + END_TAG_RE = re.compile(r"<\s*/([^\s>]+)\s*>", re.DOTALL) + NAMESPACE_RE = re.compile(r"((xmlns[:A-Za-z]*)=[^>\s]+)", re.DOTALL) text = _body_or_str(obj) document_header_match = re.search(DOCUMENT_HEADER_RE, text) @@ -58,7 +58,9 @@ def xmliter(obj: Response | str | bytes, nodename: str) -> Iterator[Selector]: for tagname in reversed(re.findall(END_TAG_RE, header_end)): assert header_end_idx tag = re.search( - rf"<\s*{tagname}.*?xmlns[:=][^>]*>", text[: header_end_idx[1]], re.S + rf"<\s*{tagname}.*?xmlns[:=][^>]*>", + text[: header_end_idx[1]], + re.DOTALL, ) if tag: for x in re.findall(NAMESPACE_RE, tag.group()): diff --git a/scrapy/utils/misc.py b/scrapy/utils/misc.py index eefadd07d..5ce4863f6 100644 --- a/scrapy/utils/misc.py +++ b/scrapy/utils/misc.py @@ -116,7 +116,7 @@ def md5sum(file: IO[bytes]) -> str: ScrapyDeprecationWarning, stacklevel=2, ) - m = hashlib.md5() # nosec + m = hashlib.md5() # noqa: S324 while True: d = file.read(8096) if not d: diff --git a/scrapy/utils/python.py b/scrapy/utils/python.py index b9babb08f..511511301 100644 --- a/scrapy/utils/python.py +++ b/scrapy/utils/python.py @@ -136,7 +136,7 @@ def to_bytes( return text if not isinstance(text, str): raise TypeError( - "to_bytes must receive a str or bytes " f"object, got {type(text).__name__}" + f"to_bytes must receive a str or bytes object, got {type(text).__name__}" ) if encoding is None: encoding = "utf-8" diff --git a/scrapy/utils/request.py b/scrapy/utils/request.py index 20e3151da..ad811e804 100644 --- a/scrapy/utils/request.py +++ b/scrapy/utils/request.py @@ -94,7 +94,9 @@ def fingerprint( "headers": headers, } fingerprint_json = json.dumps(fingerprint_data, sort_keys=True) - cache[cache_key] = hashlib.sha1(fingerprint_json.encode()).digest() # nosec + cache[cache_key] = hashlib.sha1( # noqa: S324 + fingerprint_json.encode() + ).digest() return cache[cache_key] diff --git a/scrapy/utils/response.py b/scrapy/utils/response.py index 7c8ca51f2..a7ad4544d 100644 --- a/scrapy/utils/response.py +++ b/scrapy/utils/response.py @@ -104,7 +104,7 @@ def open_in_browser( elif isinstance(response, TextResponse): ext = ".txt" else: - raise TypeError("Unsupported response type: " f"{response.__class__.__name__}") + raise TypeError(f"Unsupported response type: {response.__class__.__name__}") fd, fname = tempfile.mkstemp(ext) os.write(fd, body) os.close(fd) diff --git a/scrapy/utils/sitemap.py b/scrapy/utils/sitemap.py index c572580ae..b60fe929e 100644 --- a/scrapy/utils/sitemap.py +++ b/scrapy/utils/sitemap.py @@ -10,7 +10,7 @@ from __future__ import annotations from typing import TYPE_CHECKING, Any from urllib.parse import urljoin -import lxml.etree # nosec +import lxml.etree if TYPE_CHECKING: from collections.abc import Iterable, Iterator @@ -24,7 +24,7 @@ class Sitemap: xmlp = lxml.etree.XMLParser( recover=True, remove_comments=True, resolve_entities=False ) - self._root = lxml.etree.fromstring(xmltext, parser=xmlp) # nosec + self._root = lxml.etree.fromstring(xmltext, parser=xmlp) # noqa: S320 rt = self._root.tag self.type = self._root.tag.split("}", 1)[1] if "}" in rt else rt diff --git a/scrapy/utils/url.py b/scrapy/utils/url.py index a5cc22c1c..2539f30c7 100644 --- a/scrapy/utils/url.py +++ b/scrapy/utils/url.py @@ -89,7 +89,7 @@ def escape_ajax(url: str) -> str: def add_http_if_no_scheme(url: str) -> str: """Add http as the default scheme if it is missing from the url.""" - match = re.match(r"^\w+://", url, flags=re.I) + match = re.match(r"^\w+://", url, flags=re.IGNORECASE) if not match: parts = urlparse(url) scheme = "http:" if parts.netloc else "http://" diff --git a/scrapy/utils/versions.py b/scrapy/utils/versions.py index 4e9e29286..996a5cdb3 100644 --- a/scrapy/utils/versions.py +++ b/scrapy/utils/versions.py @@ -3,7 +3,7 @@ import sys import cryptography import cssselect -import lxml.etree # nosec +import lxml.etree import parsel import twisted import w3lib diff --git a/tests/test_commands.py b/tests/test_commands.py index e7df7b6e8..32b69de8a 100644 --- a/tests/test_commands.py +++ b/tests/test_commands.py @@ -238,7 +238,7 @@ class StartprojectTemplatesTest(ProjectTest): args = ["--set", f"TEMPLATES_DIR={self.tmpl}"] p, out, err = self.proc("startproject", self.project_name, *args) self.assertIn( - f"New Scrapy project '{self.project_name}', " "using template directory", + f"New Scrapy project '{self.project_name}', using template directory", out, ) self.assertIn(self.tmpl_proj, out) diff --git a/tests/test_engine.py b/tests/test_engine.py index 2ebc0b5e4..8d645eada 100644 --- a/tests/test_engine.py +++ b/tests/test_engine.py @@ -67,8 +67,8 @@ class TestSpider(Spider): allowed_domains = ["scrapytest.org", "localhost"] itemurl_re = re.compile(r"item\d+.html") - name_re = re.compile(r"<h1>(.*?)</h1>", re.M) - price_re = re.compile(r">Price: \$(.*?)<", re.M) + name_re = re.compile(r"<h1>(.*?)</h1>", re.MULTILINE) + price_re = re.compile(r">Price: \$(.*?)<", re.MULTILINE) item_cls: type = TestItem diff --git a/tests/test_pipeline_files.py b/tests/test_pipeline_files.py index 96a2c42b7..2be5e09bc 100644 --- a/tests/test_pipeline_files.py +++ b/tests/test_pipeline_files.py @@ -631,7 +631,7 @@ class TestGCSFilesStore(unittest.TestCase): """ assert_gcs_environ() try: - import google.cloud.storage # noqa + import google.cloud.storage # noqa: F401 except ModuleNotFoundError: raise unittest.SkipTest("google-cloud-storage is not installed") with mock.patch("google.cloud.storage") as _: diff --git a/tests/test_robotstxt_interface.py b/tests/test_robotstxt_interface.py index 541979dcc..e127cc2e3 100644 --- a/tests/test_robotstxt_interface.py +++ b/tests/test_robotstxt_interface.py @@ -66,14 +66,14 @@ class BaseRobotParserTest: self.assertTrue(rp.allowed("https://www.site.local/is_allowed_too", "second")) def test_length_based_precedence(self): - robotstxt_robotstxt_body = b"User-agent: * \n" b"Disallow: / \n" b"Allow: /page" + robotstxt_robotstxt_body = b"User-agent: * \nDisallow: / \nAllow: /page" rp = self.parser_cls.from_crawler( crawler=None, robotstxt_body=robotstxt_robotstxt_body ) self.assertTrue(rp.allowed("https://www.site.local/page", "*")) def test_order_based_precedence(self): - robotstxt_robotstxt_body = b"User-agent: * \n" b"Disallow: / \n" b"Allow: /page" + robotstxt_robotstxt_body = b"User-agent: * \nDisallow: / \nAllow: /page" rp = self.parser_cls.from_crawler( crawler=None, robotstxt_body=robotstxt_robotstxt_body ) diff --git a/tests/test_utils_trackref.py b/tests/test_utils_trackref.py index 35d1508c6..ef07d625f 100644 --- a/tests/test_utils_trackref.py +++ b/tests/test_utils_trackref.py @@ -21,9 +21,9 @@ class TrackrefTestCase(unittest.TestCase): trackref.live_refs.clear() def test_format_live_refs(self): - o1 = Foo() # NOQA - o2 = Bar() # NOQA - o3 = Foo() # NOQA + o1 = Foo() # noqa: F841 + o2 = Bar() # noqa: F841 + o3 = Foo() # noqa: F841 self.assertEqual( trackref.format_live_refs(), """\ @@ -50,7 +50,7 @@ Bar 1 oldest: 0s ago @mock.patch("sys.stdout", new_callable=StringIO) def test_print_live_refs_with_objects(self, stdout): - o1 = Foo() # NOQA + o1 = Foo() # noqa: F841 trackref.print_live_refs() self.assertEqual( stdout.getvalue(), @@ -61,11 +61,11 @@ Foo 1 oldest: 0s ago\n\n""", ) def test_get_oldest(self): - o1 = Foo() # NOQA + o1 = Foo() # noqa: F841 o1_time = time() - o2 = Bar() # NOQA + o2 = Bar() # noqa: F841 o3_time = time() if o3_time <= o1_time: @@ -74,15 +74,15 @@ Foo 1 oldest: 0s ago\n\n""", if o3_time <= o1_time: raise SkipTest("time.time is not precise enough") - o3 = Foo() # NOQA + o3 = Foo() # noqa: F841 self.assertIs(trackref.get_oldest("Foo"), o1) self.assertIs(trackref.get_oldest("Bar"), o2) self.assertIsNone(trackref.get_oldest("XXX")) def test_iter_all(self): - o1 = Foo() # NOQA - o2 = Bar() # NOQA - o3 = Foo() # NOQA + o1 = Foo() # noqa: F841 + o2 = Bar() # noqa: F841 + o3 = Foo() # noqa: F841 self.assertEqual( set(trackref.iter_all("Foo")), {o1, o3}, diff --git a/tests/test_webclient.py b/tests/test_webclient.py index 1cad68b9c..0a594aa7c 100644 --- a/tests/test_webclient.py +++ b/tests/test_webclient.py @@ -161,7 +161,7 @@ class ScrapyHTTPPageGetterTests(unittest.TestCase): # test minimal sent headers factory = client.ScrapyHTTPClientFactory(Request("http://foo/bar")) - self._test(factory, b"GET /bar HTTP/1.0\r\n" b"Host: foo\r\n" b"\r\n") + self._test(factory, b"GET /bar HTTP/1.0\r\nHost: foo\r\n\r\n") # test a simple POST with body and content-type factory = client.ScrapyHTTPClientFactory( @@ -191,7 +191,7 @@ class ScrapyHTTPPageGetterTests(unittest.TestCase): self._test( factory, - b"POST /bar HTTP/1.0\r\n" b"Host: foo\r\n" b"Content-Length: 0\r\n" b"\r\n", + b"POST /bar HTTP/1.0\r\nHost: foo\r\nContent-Length: 0\r\n\r\n", ) # test with single and multivalued headers From 5c2df5cf2aec8ea1ef25c066c08920a6adbd42ca Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= <adrian@chaves.io> Date: Thu, 12 Dec 2024 11:38:30 +0100 Subject: [PATCH 334/786] Contributing: add a section on finding work (#6575) --- docs/contributing.rst | 87 +++++++++++++++++++++++++++++++++++++++---- 1 file changed, 79 insertions(+), 8 deletions(-) diff --git a/docs/contributing.rst b/docs/contributing.rst index e8ffe83b4..f5c1c74b8 100644 --- a/docs/contributing.rst +++ b/docs/contributing.rst @@ -74,18 +74,81 @@ guidelines when you're going to report a new bug. .. _Minimal, Complete, and Verifiable example: https://stackoverflow.com/help/mcve +.. _find-work: + +Finding work +============ + +If you have decided to make a contribution to Scrapy, but you do not know what +to contribute, you have a few options to find pending work: + +- Check out the `contribution GitHub page`_, which lists open issues tagged + as **good first issue**. + + .. _contribution GitHub page: https://github.com/scrapy/scrapy/contribute + + There are also `help wanted issues`_ but mind that some may require + familiarity with the Scrapy code base. You can also target any other issue + provided it is not tagged as **discuss**. + +- If you enjoy writing documentation, there are `documentation issues`_ as + well, but mind that some may require familiarity with the Scrapy code base + as well. + + .. _documentation issues: https://github.com/scrapy/scrapy/issues?q=is%3Aissue+is%3Aopen+label%3Adocs+ + +- If you enjoy :ref:`writing automated tests <write-tests>`, you can work on + increasing our `test coverage`_. + +- If you enjoy code cleanup, we welcome fixes for issues detected by our + static analysis tools. See ``pyproject.toml`` for silenced issues that may + need addressing. + + Mind that some issues we do not aim to address at all, and usually include + a comment on them explaining the reason; not to confuse with comments that + state what the issue is about, for non-descriptive issue codes. + +If you have found an issue, make sure you read the entire issue thread before +you ask questions. That includes related issues and pull requests that show up +in the issue thread when the issue is mentioned elsewhere. + +We do not assign issues, and you do not need to announce that you are going to +start working on an issue either. If you want to work on an issue, just go +ahead and :ref:`write a patch for it <writing-patches>`. + +Do not discard an issue simply because there is an open pull request for it. +Check if open pull requests are active first. And even if some are active, if +you think you can build a better implementation, feel free to create a pull +request with your approach. + +If you decide to work on something without an open issue, please: + +- Do not create an issue to work on code coverage or code cleanup, create a + pull request directly. + +- Do not create both an issue and a pull request right away. Either open an + issue first to get feedback on whether or not the issue is worth + addressing, and create a pull request later only if the feedback from the + team is positive, or create only a pull request, if you think a discussion + will be easier over your code. + +- Do not add docstrings for the sake of adding docstrings, or only to address + silenced Ruff issues. We expect docstrings to exist only when they add + something significant to readers, such as explaining something that is not + easier to understand from reading the corresponding code, summarizing a + long, hard-to-read implementation, providing context about calling code, or + indicating purposely uncaught exceptions from called code. + +- Do not add tests that use as much mocking as possible just to touch a given + line of code and hence improve line coverage. While we do aim to maximize + test coverage, tests should be written for real scenarios, with minimum + mocking. We usually prefer end-to-end tests. + .. _writing-patches: Writing patches =============== -Scrapy has a list of `good first issues`_ and `help wanted issues`_ that you -can work on. These issues are a great way to get started with contributing to -Scrapy. If you're new to the codebase, you may want to focus on documentation -or testing-related issues, as they are always useful and can help you get -more familiar with the project. You can also check Scrapy's `test coverage`_ -to see which areas may benefit from more tests. - The better a patch is written, the higher the chances that it'll get accepted and the sooner it will be merged. Well-written patches should: @@ -131,6 +194,14 @@ Remember to explain what was fixed or the new functionality (what it is, why it's needed, etc). The more info you include, the easier will be for core developers to understand and accept your patch. +If your pull request aims to resolve an open issue, `link it accordingly +<https://docs.github.com/en/issues/tracking-your-work-with-issues/using-issues/linking-a-pull-request-to-an-issue#linking-a-pull-request-to-an-issue-using-a-keyword>`__, +e.g.: + +.. code-block:: none + + Resolves #123 + You can also discuss the new functionality (or bug fix) before creating the patch, but it's always good to have a patch ready to illustrate your arguments and show that you have put some additional thought into the subject. A good @@ -242,6 +313,7 @@ Documentation about deprecated features must be removed as those features are deprecated, so that new readers do not run into it. New deprecations and deprecation removals are documented in the :ref:`release notes <news>`. +.. _write-tests: Tests ===== @@ -320,6 +392,5 @@ And their unit-tests are in:: .. _PEP 257: https://peps.python.org/pep-0257/ .. _pull request: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/creating-a-pull-request .. _pytest-xdist: https://github.com/pytest-dev/pytest-xdist -.. _good first issues: https://github.com/scrapy/scrapy/issues?q=is%3Aissue+is%3Aopen+label%3A%22good+first+issue%22 .. _help wanted issues: https://github.com/scrapy/scrapy/issues?q=is%3Aissue+is%3Aopen+label%3A%22help+wanted%22 .. _test coverage: https://app.codecov.io/gh/scrapy/scrapy From 802c67072cb1fb47c8f1033dd51cab557c72b6a4 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 12 Dec 2024 20:12:55 +0500 Subject: [PATCH 335/786] Enable ruff --fix. --- .pre-commit-config.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml index b273e269b..39b9a33aa 100644 --- a/.pre-commit-config.yaml +++ b/.pre-commit-config.yaml @@ -3,6 +3,7 @@ repos: rev: v0.8.1 hooks: - id: ruff + args: [ --fix ] - repo: https://github.com/psf/black.git rev: 24.4.2 hooks: From 897e124a27772b9a710f501954f50e3c66e27c79 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 12 Dec 2024 20:22:03 +0500 Subject: [PATCH 336/786] Add flake8-return rules to ruff. --- pyproject.toml | 2 ++ scrapy/commands/parse.py | 5 +++-- scrapy/downloadermiddlewares/offsite.py | 2 +- scrapy/extensions/feedexport.py | 3 +-- scrapy/extensions/httpcache.py | 6 ++---- scrapy/extensions/postprocessing.py | 3 +-- scrapy/linkextractors/lxmlhtml.py | 3 +-- scrapy/robotstxt.py | 9 +++------ scrapy/utils/reactor.py | 2 +- tests/spiders.py | 2 +- tests/test_downloadermiddleware.py | 3 +-- tests/test_downloadermiddleware_robotstxt.py | 3 +-- tests/test_feedexport.py | 6 ++---- tests/test_http_response.py | 6 ++---- tests/test_proxy_connect.py | 3 +-- tests/test_request_cb_kwargs.py | 2 -- tests/test_request_left.py | 3 +-- tests/test_spidermiddleware.py | 3 +-- tests/test_spidermiddleware_output_chain.py | 3 --- 19 files changed, 25 insertions(+), 44 deletions(-) diff --git a/pyproject.toml b/pyproject.toml index 977792178..9a4a91a7e 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -244,6 +244,8 @@ extend-select = [ "PGH", # flake8-quotes "Q", + # flake8-return + "RET", # flake8-bandit "S", # flake8-slots diff --git a/scrapy/commands/parse.py b/scrapy/commands/parse.py index fc16e46d1..62d094411 100644 --- a/scrapy/commands/parse.py +++ b/scrapy/commands/parse.py @@ -225,8 +225,9 @@ class Command(BaseRunSpiderCommand): cb_kwargs: dict[str, Any] | None = None, ) -> Deferred[Any]: cb_kwargs = cb_kwargs or {} - d = maybeDeferred(self.iterate_spider_output, callback(response, **cb_kwargs)) - return d + return maybeDeferred( + self.iterate_spider_output, callback(response, **cb_kwargs) + ) def get_callback_from_rules( self, spider: Spider, response: Response diff --git a/scrapy/downloadermiddlewares/offsite.py b/scrapy/downloadermiddlewares/offsite.py index 05ec4cad4..a69f531a7 100644 --- a/scrapy/downloadermiddlewares/offsite.py +++ b/scrapy/downloadermiddlewares/offsite.py @@ -41,7 +41,7 @@ class OffsiteMiddleware: def process_request(self, request: Request, spider: Spider) -> None: if request.dont_filter or self.should_follow(request, spider): - return None + return domain = urlparse_cached(request).hostname if domain and domain not in self.domains_seen: self.domains_seen.add(domain) diff --git a/scrapy/extensions/feedexport.py b/scrapy/extensions/feedexport.py index edea7cc39..b6e6f55a6 100644 --- a/scrapy/extensions/feedexport.py +++ b/scrapy/extensions/feedexport.py @@ -586,7 +586,7 @@ class FeedExporter: :param uri_template: template of uri which contains %(batch_time)s or %(batch_id)d to create new uri """ storage = self._get_storage(uri, feed_options) - slot = FeedSlot( + return FeedSlot( storage=storage, uri=uri, format=feed_options["format"], @@ -600,7 +600,6 @@ class FeedExporter: settings=self.settings, crawler=self.crawler, ) - return slot def item_scraped(self, item: Any, spider: Spider) -> None: slots = [] diff --git a/scrapy/extensions/httpcache.py b/scrapy/extensions/httpcache.py index 965d6434b..929807de8 100644 --- a/scrapy/extensions/httpcache.py +++ b/scrapy/extensions/httpcache.py @@ -282,8 +282,7 @@ class DbmCacheStorage: headers = Headers(data["headers"]) body = data["body"] respcls = responsetypes.from_args(headers=headers, url=url, body=body) - response = respcls(url=url, headers=headers, status=status, body=body) - return response + return respcls(url=url, headers=headers, status=status, body=body) def store_response( self, spider: Spider, request: Request, response: Response @@ -349,8 +348,7 @@ class FilesystemCacheStorage: status = metadata["status"] headers = Headers(headers_raw_to_dict(rawheaders)) respcls = responsetypes.from_args(headers=headers, url=url, body=body) - response = respcls(url=url, headers=headers, status=status, body=body) - return response + return respcls(url=url, headers=headers, status=status, body=body) def store_response( self, spider: Spider, request: Request, response: Response diff --git a/scrapy/extensions/postprocessing.py b/scrapy/extensions/postprocessing.py index 16067f82b..b1fa160c8 100644 --- a/scrapy/extensions/postprocessing.py +++ b/scrapy/extensions/postprocessing.py @@ -157,8 +157,7 @@ class PostProcessingManager(IOBase): return True def _load_plugins(self, plugins: list[Any]) -> list[Any]: - plugins = [load_object(plugin) for plugin in plugins] - return plugins + return [load_object(plugin) for plugin in plugins] def _get_head_plugin(self) -> Any: prev = self.file diff --git a/scrapy/linkextractors/lxmlhtml.py b/scrapy/linkextractors/lxmlhtml.py index bd96ccf19..f195dbdd7 100644 --- a/scrapy/linkextractors/lxmlhtml.py +++ b/scrapy/linkextractors/lxmlhtml.py @@ -253,8 +253,7 @@ class LxmlLinkExtractor: if self.canonicalize: for link in links: link.url = canonicalize_url(link.url) - links = self.link_extractor._process_links(links) - return links + return self.link_extractor._process_links(links) def _extract_links(self, *args: Any, **kwargs: Any) -> list[Link]: return self.link_extractor._extract_links(*args, **kwargs) diff --git a/scrapy/robotstxt.py b/scrapy/robotstxt.py index f0a6e7467..844969c6d 100644 --- a/scrapy/robotstxt.py +++ b/scrapy/robotstxt.py @@ -79,8 +79,7 @@ class PythonRobotParser(RobotParser): @classmethod def from_crawler(cls, crawler: Crawler, robotstxt_body: bytes) -> Self: spider = None if not crawler else crawler.spider - o = cls(robotstxt_body, spider) - return o + return cls(robotstxt_body, spider) def allowed(self, url: str | bytes, user_agent: str | bytes) -> bool: user_agent = to_unicode(user_agent) @@ -100,8 +99,7 @@ class RerpRobotParser(RobotParser): @classmethod def from_crawler(cls, crawler: Crawler, robotstxt_body: bytes) -> Self: spider = None if not crawler else crawler.spider - o = cls(robotstxt_body, spider) - return o + return cls(robotstxt_body, spider) def allowed(self, url: str | bytes, user_agent: str | bytes) -> bool: user_agent = to_unicode(user_agent) @@ -120,8 +118,7 @@ class ProtegoRobotParser(RobotParser): @classmethod def from_crawler(cls, crawler: Crawler, robotstxt_body: bytes) -> Self: spider = None if not crawler else crawler.spider - o = cls(robotstxt_body, spider) - return o + return cls(robotstxt_body, spider) def allowed(self, url: str | bytes, user_agent: str | bytes) -> bool: user_agent = to_unicode(user_agent) diff --git a/scrapy/utils/reactor.py b/scrapy/utils/reactor.py index 2102ce798..2d781cc27 100644 --- a/scrapy/utils/reactor.py +++ b/scrapy/utils/reactor.py @@ -36,7 +36,7 @@ def listen_tcp(portrange: list[int], host: str, factory: ServerFactory) -> Port: return reactor.listenTCP(0, factory, interface=host) if len(portrange) == 1: return reactor.listenTCP(portrange[0], factory, interface=host) - for x in range(portrange[0], portrange[1] + 1): + for x in range(portrange[0], portrange[1] + 1): # noqa: RET503 try: return reactor.listenTCP(x, factory, interface=host) except error.CannotListenError: diff --git a/tests/spiders.py b/tests/spiders.py index 63c7a6f9b..0180cf757 100644 --- a/tests/spiders.py +++ b/tests/spiders.py @@ -175,7 +175,7 @@ class AsyncDefAsyncioReqsReturnSpider(SimpleSpider): status = await get_from_asyncio_queue(response.status) self.logger.info(f"Got response {status}, req_id {req_id}") if req_id > 0: - return + return None reqs = [] for i in range(1, 3): req = Request(self.start_urls[0], dont_filter=True, meta={"req_id": i}) diff --git a/tests/test_downloadermiddleware.py b/tests/test_downloadermiddleware.py index dd3f8ceb9..8987a76fb 100644 --- a/tests/test_downloadermiddleware.py +++ b/tests/test_downloadermiddleware.py @@ -250,8 +250,7 @@ class MiddlewareUsingCoro(ManagerTestCase): class CoroMiddleware: async def process_request(self, request, spider): await asyncio.sleep(0.1) - result = await get_from_asyncio_queue(resp) - return result + return await get_from_asyncio_queue(resp) self.mwman._add_middleware(CoroMiddleware()) req = Request("http://example.com/index.html") diff --git a/tests/test_downloadermiddleware_robotstxt.py b/tests/test_downloadermiddleware_robotstxt.py index 12b541456..535e07c1f 100644 --- a/tests/test_downloadermiddleware_robotstxt.py +++ b/tests/test_downloadermiddleware_robotstxt.py @@ -116,7 +116,7 @@ Disallow: /some/randome/page.html def test_robotstxt_garbage(self): # garbage response should be discarded, equal 'allow all' middleware = RobotsTxtMiddleware(self._get_garbage_crawler()) - deferred = DeferredList( + return DeferredList( [ self.assertNotIgnored(Request("http://site.local"), middleware), self.assertNotIgnored(Request("http://site.local/allowed"), middleware), @@ -127,7 +127,6 @@ Disallow: /some/randome/page.html ], fireOnOneErrback=True, ) - return deferred def _get_emptybody_crawler(self): crawler = self.crawler diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py index c3d429c2b..031d6180d 100644 --- a/tests/test_feedexport.py +++ b/tests/test_feedexport.py @@ -134,8 +134,7 @@ class FTPFeedStorageTest(unittest.TestCase): name = "test_spider" crawler = get_crawler(settings_dict=settings) - spider = TestSpider.from_crawler(crawler) - return spider + return TestSpider.from_crawler(crawler) def _store(self, uri, content, feed_options=None, settings=None): crawler = get_crawler(settings_dict=settings or {}) @@ -210,8 +209,7 @@ class BlockingFeedStorageTest(unittest.TestCase): name = "test_spider" crawler = get_crawler(settings_dict=settings) - spider = TestSpider.from_crawler(crawler) - return spider + return TestSpider.from_crawler(crawler) def test_default_temp_dir(self): b = BlockingFeedStorage() diff --git a/tests/test_http_response.py b/tests/test_http_response.py index b8a277295..679cc8238 100644 --- a/tests/test_http_response.py +++ b/tests/test_http_response.py @@ -342,13 +342,11 @@ class BaseResponseTest(unittest.TestCase): def _links_response(self): body = get_testdata("link_extractor", "linkextractor.html") - resp = self.response_class("http://example.com/index", body=body) - return resp + return self.response_class("http://example.com/index", body=body) def _links_response_no_href(self): body = get_testdata("link_extractor", "linkextractor_no_href.html") - resp = self.response_class("http://example.com/index", body=body) - return resp + return self.response_class("http://example.com/index", body=body) class TextResponseTest(BaseResponseTest): diff --git a/tests/test_proxy_connect.py b/tests/test_proxy_connect.py index 93f006c76..26bd6332c 100644 --- a/tests/test_proxy_connect.py +++ b/tests/test_proxy_connect.py @@ -48,8 +48,7 @@ sys.exit(mitmdump()) ) line = self.proc.stdout.readline().decode("utf-8") host_port = re.search(r"listening at (?:http://)?([^:]+:\d+)", line).group(1) - address = f"http://{self.auth_user}:{self.auth_pass}@{host_port}" - return address + return f"http://{self.auth_user}:{self.auth_pass}@{host_port}" def stop(self): self.proc.kill() diff --git a/tests/test_request_cb_kwargs.py b/tests/test_request_cb_kwargs.py index 8c0e5764a..b178c928b 100644 --- a/tests/test_request_cb_kwargs.py +++ b/tests/test_request_cb_kwargs.py @@ -16,7 +16,6 @@ class InjectArgumentsDownloaderMiddleware: def process_request(self, request, spider): if request.callback.__name__ == "parse_downloader_mw": request.cb_kwargs["from_process_request"] = True - return None def process_response(self, request, response, spider): if request.callback.__name__ == "parse_downloader_mw": @@ -39,7 +38,6 @@ class InjectArgumentsSpiderMiddleware: request = response.request if request.callback.__name__ == "parse_spider_mw": request.cb_kwargs["from_process_spider_input"] = True - return None def process_spider_output(self, response, result, spider): for element in result: diff --git a/tests/test_request_left.py b/tests/test_request_left.py index 54155f7ef..ba1b70695 100644 --- a/tests/test_request_left.py +++ b/tests/test_request_left.py @@ -18,8 +18,7 @@ class SignalCatcherSpider(Spider): @classmethod def from_crawler(cls, crawler, *args, **kwargs): - spider = cls(crawler, *args, **kwargs) - return spider + return cls(crawler, *args, **kwargs) def on_request_left(self, request, spider): self.caught_times += 1 diff --git a/tests/test_spidermiddleware.py b/tests/test_spidermiddleware.py index 1a80eb7be..1aca0fe54 100644 --- a/tests/test_spidermiddleware.py +++ b/tests/test_spidermiddleware.py @@ -37,8 +37,7 @@ class SpiderMiddlewareTestCase(TestCase): results = [] dfd.addBoth(results.append) self._wait(dfd) - ret = results[0] - return ret + return results[0] class ProcessSpiderInputInvalidOutput(SpiderMiddlewareTestCase): diff --git a/tests/test_spidermiddleware_output_chain.py b/tests/test_spidermiddleware_output_chain.py index fad5dcaac..670c41f2b 100644 --- a/tests/test_spidermiddleware_output_chain.py +++ b/tests/test_spidermiddleware_output_chain.py @@ -12,7 +12,6 @@ class LogExceptionMiddleware: spider.logger.info( "Middleware: %s exception caught", exception.__class__.__name__ ) - return None # ================================================================================ @@ -170,7 +169,6 @@ class _GeneratorDoNothingMiddleware: def process_spider_exception(self, response, exception, spider): method = f"{self.__class__.__name__}.process_spider_exception" spider.logger.info("%s: %s caught", method, exception.__class__.__name__) - return None class GeneratorFailMiddleware: @@ -240,7 +238,6 @@ class _NotGeneratorDoNothingMiddleware: def process_spider_exception(self, response, exception, spider): method = f"{self.__class__.__name__}.process_spider_exception" spider.logger.info("%s: %s caught", method, exception.__class__.__name__) - return None class NotGeneratorFailMiddleware: From e7595837a60b896eb0efed4b452b0bdd62e8039f Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 12 Dec 2024 20:25:16 +0500 Subject: [PATCH 337/786] Add flake8-raise rules to ruff. --- pyproject.toml | 2 ++ scrapy/commands/crawl.py | 2 +- scrapy/commands/edit.py | 2 +- scrapy/commands/fetch.py | 2 +- scrapy/commands/genspider.py | 2 +- scrapy/commands/parse.py | 2 +- scrapy/commands/runspider.py | 2 +- scrapy/commands/startproject.py | 2 +- scrapy/core/scheduler.py | 6 +++--- scrapy/pipelines/media.py | 10 +++++----- scrapy/resolver.py | 2 +- scrapy/spidermiddlewares/referer.py | 2 +- tests/test_addons.py | 2 +- tests/test_downloader_handlers.py | 2 +- tests/test_downloadermiddleware.py | 2 +- tests/test_downloadermiddleware_httpcompression.py | 2 +- tests/test_spidermiddleware.py | 2 +- tests/test_spidermiddleware_output_chain.py | 12 ++++++------ tests/test_squeues_request.py | 2 +- .../test_return_with_argument_inside_generator.py | 2 +- 20 files changed, 32 insertions(+), 30 deletions(-) diff --git a/pyproject.toml b/pyproject.toml index 9a4a91a7e..131684724 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -246,6 +246,8 @@ extend-select = [ "Q", # flake8-return "RET", + # flake8-raise + "RSE", # flake8-bandit "S", # flake8-slots diff --git a/scrapy/commands/crawl.py b/scrapy/commands/crawl.py index 0d71ab6c6..86d4cc41c 100644 --- a/scrapy/commands/crawl.py +++ b/scrapy/commands/crawl.py @@ -22,7 +22,7 @@ class Command(BaseRunSpiderCommand): def run(self, args: list[str], opts: argparse.Namespace) -> None: if len(args) < 1: - raise UsageError() + raise UsageError if len(args) > 1: raise UsageError( "running 'scrapy crawl' with more than one spider is not supported" diff --git a/scrapy/commands/edit.py b/scrapy/commands/edit.py index 0e046cece..d153a5271 100644 --- a/scrapy/commands/edit.py +++ b/scrapy/commands/edit.py @@ -28,7 +28,7 @@ class Command(ScrapyCommand): def run(self, args: list[str], opts: argparse.Namespace) -> None: if len(args) != 1: - raise UsageError() + raise UsageError editor = self.settings["EDITOR"] assert self.crawler_process diff --git a/scrapy/commands/fetch.py b/scrapy/commands/fetch.py index 05e5e53e9..8a8d04ff6 100644 --- a/scrapy/commands/fetch.py +++ b/scrapy/commands/fetch.py @@ -68,7 +68,7 @@ class Command(ScrapyCommand): def run(self, args: list[str], opts: Namespace) -> None: if len(args) != 1 or not is_url(args[0]): - raise UsageError() + raise UsageError request = Request( args[0], callback=self._print_response, diff --git a/scrapy/commands/genspider.py b/scrapy/commands/genspider.py index 38f917c7e..d7dc104c2 100644 --- a/scrapy/commands/genspider.py +++ b/scrapy/commands/genspider.py @@ -101,7 +101,7 @@ class Command(ScrapyCommand): print(template_file.read_text(encoding="utf-8")) return if len(args) != 2: - raise UsageError() + raise UsageError name, url = args[0:2] url = verify_url_scheme(url) diff --git a/scrapy/commands/parse.py b/scrapy/commands/parse.py index 62d094411..cc5c1350b 100644 --- a/scrapy/commands/parse.py +++ b/scrapy/commands/parse.py @@ -399,7 +399,7 @@ class Command(BaseRunSpiderCommand): def run(self, args: list[str], opts: argparse.Namespace) -> None: # parse arguments if not len(args) == 1 or not is_url(args[0]): - raise UsageError() + raise UsageError url = args[0] # prepare spidercls diff --git a/scrapy/commands/runspider.py b/scrapy/commands/runspider.py index 55211f8d7..bf8e41020 100644 --- a/scrapy/commands/runspider.py +++ b/scrapy/commands/runspider.py @@ -43,7 +43,7 @@ class Command(BaseRunSpiderCommand): def run(self, args: list[str], opts: argparse.Namespace) -> None: if len(args) != 1: - raise UsageError() + raise UsageError filename = Path(args[0]) if not filename.exists(): raise UsageError(f"File not found: {filename}\n") diff --git a/scrapy/commands/startproject.py b/scrapy/commands/startproject.py index 6da877610..5cb73f0d2 100644 --- a/scrapy/commands/startproject.py +++ b/scrapy/commands/startproject.py @@ -92,7 +92,7 @@ class Command(ScrapyCommand): def run(self, args: list[str], opts: argparse.Namespace) -> None: if len(args) not in (1, 2): - raise UsageError() + raise UsageError project_name = args[0] diff --git a/scrapy/core/scheduler.py b/scrapy/core/scheduler.py index f09d1903c..823677175 100644 --- a/scrapy/core/scheduler.py +++ b/scrapy/core/scheduler.py @@ -98,7 +98,7 @@ class BaseScheduler(metaclass=BaseSchedulerMeta): """ ``True`` if the scheduler has enqueued requests, ``False`` otherwise """ - raise NotImplementedError() + raise NotImplementedError @abstractmethod def enqueue_request(self, request: Request) -> bool: @@ -112,7 +112,7 @@ class BaseScheduler(metaclass=BaseSchedulerMeta): For reference, the default Scrapy scheduler returns ``False`` when the request is rejected by the dupefilter. """ - raise NotImplementedError() + raise NotImplementedError @abstractmethod def next_request(self) -> Request | None: @@ -124,7 +124,7 @@ class BaseScheduler(metaclass=BaseSchedulerMeta): to the downloader in the current reactor cycle. The engine will continue calling ``next_request`` until ``has_pending_requests`` is ``False``. """ - raise NotImplementedError() + raise NotImplementedError class Scheduler(BaseScheduler): diff --git a/scrapy/pipelines/media.py b/scrapy/pipelines/media.py index 691a1cbf2..b16f1cb84 100644 --- a/scrapy/pipelines/media.py +++ b/scrapy/pipelines/media.py @@ -293,12 +293,12 @@ class MediaPipeline(ABC): self, request: Request, info: SpiderInfo, *, item: Any = None ) -> Deferred[FileInfo | None]: """Check request before starting download""" - raise NotImplementedError() + raise NotImplementedError @abstractmethod def get_media_requests(self, item: Any, info: SpiderInfo) -> list[Request]: """Returns the media requests to download""" - raise NotImplementedError() + raise NotImplementedError @abstractmethod def media_downloaded( @@ -310,14 +310,14 @@ class MediaPipeline(ABC): item: Any = None, ) -> FileInfo: """Handler for success downloads""" - raise NotImplementedError() + raise NotImplementedError @abstractmethod def media_failed( self, failure: Failure, request: Request, info: SpiderInfo ) -> NoReturn: """Handler for failed downloads""" - raise NotImplementedError() + raise NotImplementedError def item_completed( self, results: list[FileInfoOrError], item: Any, info: SpiderInfo @@ -345,4 +345,4 @@ class MediaPipeline(ABC): item: Any = None, ) -> str: """Returns the path where downloaded media should be stored""" - raise NotImplementedError() + raise NotImplementedError diff --git a/scrapy/resolver.py b/scrapy/resolver.py index 0e8260736..f5f00ab0f 100644 --- a/scrapy/resolver.py +++ b/scrapy/resolver.py @@ -76,7 +76,7 @@ class HostResolution: self.name: str = name def cancel(self) -> None: - raise NotImplementedError() + raise NotImplementedError @provider(IResolutionReceiver) diff --git a/scrapy/spidermiddlewares/referer.py b/scrapy/spidermiddlewares/referer.py index 720217c97..93b7fcf17 100644 --- a/scrapy/spidermiddlewares/referer.py +++ b/scrapy/spidermiddlewares/referer.py @@ -51,7 +51,7 @@ class ReferrerPolicy: name: str def referrer(self, response_url: str, request_url: str) -> str | None: - raise NotImplementedError() + raise NotImplementedError def stripped_referrer(self, url: str) -> str | None: if urlparse(url).scheme not in self.NOREFERRER_SCHEMES: diff --git a/tests/test_addons.py b/tests/test_addons.py index 775f629b3..17949997c 100644 --- a/tests/test_addons.py +++ b/tests/test_addons.py @@ -64,7 +64,7 @@ class AddonManagerTest(unittest.TestCase): def test_notconfigured(self): class NotConfiguredAddon: def update_settings(self, settings): - raise NotConfigured() + raise NotConfigured settings_dict = { "ADDONS": {NotConfiguredAddon: 0}, diff --git a/tests/test_downloader_handlers.py b/tests/test_downloader_handlers.py index 6a7597e9f..3fcba4ef2 100644 --- a/tests/test_downloader_handlers.py +++ b/tests/test_downloader_handlers.py @@ -894,7 +894,7 @@ class S3TestCase(unittest.TestCase): except Exception as e: self.assertIsInstance(e, (TypeError, NotConfigured)) else: - raise AssertionError() + raise AssertionError def test_request_signing1(self): # gets an object from the johnsmith bucket. diff --git a/tests/test_downloadermiddleware.py b/tests/test_downloadermiddleware.py index 8987a76fb..e650b4936 100644 --- a/tests/test_downloadermiddleware.py +++ b/tests/test_downloadermiddleware.py @@ -178,7 +178,7 @@ class ProcessExceptionInvalidOutput(ManagerTestCase): class InvalidProcessExceptionMiddleware: def process_request(self, request, spider): - raise Exception() + raise Exception def process_exception(self, request, exception, spider): return 1 diff --git a/tests/test_downloadermiddleware_httpcompression.py b/tests/test_downloadermiddleware_httpcompression.py index 934af6590..78d0dd99d 100644 --- a/tests/test_downloadermiddleware_httpcompression.py +++ b/tests/test_downloadermiddleware_httpcompression.py @@ -59,7 +59,7 @@ class HttpCompressionTest(TestCase): def _getresponse(self, coding): if coding not in FORMAT: - raise ValueError() + raise ValueError samplefile, contentencoding = FORMAT[coding] diff --git a/tests/test_spidermiddleware.py b/tests/test_spidermiddleware.py index 1aca0fe54..af3b7543d 100644 --- a/tests/test_spidermiddleware.py +++ b/tests/test_spidermiddleware.py @@ -78,7 +78,7 @@ class ProcessSpiderExceptionInvalidOutput(SpiderMiddlewareTestCase): class RaiseExceptionProcessSpiderOutputMiddleware: def process_spider_output(self, response, result, spider): - raise Exception() + raise Exception self.mwman._add_middleware(InvalidProcessSpiderOutputExceptionMiddleware()) self.mwman._add_middleware(RaiseExceptionProcessSpiderOutputMiddleware()) diff --git a/tests/test_spidermiddleware_output_chain.py b/tests/test_spidermiddleware_output_chain.py index 670c41f2b..4c19d167f 100644 --- a/tests/test_spidermiddleware_output_chain.py +++ b/tests/test_spidermiddleware_output_chain.py @@ -43,7 +43,7 @@ class RecoverySpider(Spider): yield {"test": 1} self.logger.info("DONT_FAIL: %s", response.meta.get("dont_fail")) if not response.meta.get("dont_fail"): - raise TabError() + raise TabError class RecoveryAsyncGenSpider(RecoverySpider): @@ -59,7 +59,7 @@ class RecoveryAsyncGenSpider(RecoverySpider): class FailProcessSpiderInputMiddleware: def process_spider_input(self, response, spider): spider.logger.info("Middleware: will raise IndexError") - raise IndexError() + raise IndexError class ProcessSpiderInputSpiderWithoutErrback(Spider): @@ -109,14 +109,14 @@ class GeneratorCallbackSpider(Spider): def parse(self, response): yield {"test": 1} yield {"test": 2} - raise ImportError() + raise ImportError class AsyncGeneratorCallbackSpider(GeneratorCallbackSpider): async def parse(self, response): yield {"test": 1} yield {"test": 2} - raise ImportError() + raise ImportError # ================================================================================ @@ -176,7 +176,7 @@ class GeneratorFailMiddleware: for r in result: r["processed"].append(f"{self.__class__.__name__}.process_spider_output") yield r - raise LookupError() + raise LookupError def process_spider_exception(self, response, exception, spider): method = f"{self.__class__.__name__}.process_spider_exception" @@ -246,7 +246,7 @@ class NotGeneratorFailMiddleware: for r in result: r["processed"].append(f"{self.__class__.__name__}.process_spider_output") out.append(r) - raise ReferenceError() + raise ReferenceError return out def process_spider_exception(self, response, exception, spider): diff --git a/tests/test_squeues_request.py b/tests/test_squeues_request.py index 499ca46b8..02ea8027f 100644 --- a/tests/test_squeues_request.py +++ b/tests/test_squeues_request.py @@ -41,7 +41,7 @@ class BaseQueueTestCase(unittest.TestCase): class RequestQueueTestMixin: def queue(self): - raise NotImplementedError() + raise NotImplementedError def test_one_element_with_peek(self): if not hasattr(queuelib.queue.FifoMemoryQueue, "peek"): diff --git a/tests/test_utils_misc/test_return_with_argument_inside_generator.py b/tests/test_utils_misc/test_return_with_argument_inside_generator.py index 484757035..c7774751e 100644 --- a/tests/test_utils_misc/test_return_with_argument_inside_generator.py +++ b/tests/test_utils_misc/test_return_with_argument_inside_generator.py @@ -10,7 +10,7 @@ from scrapy.utils.misc import ( def _indentation_error(*args, **kwargs): - raise IndentationError() + raise IndentationError def top_level_return_something(): From 93644f2c30ee74a68584c9e4cdfd0827c2187d34 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 12 Dec 2024 20:27:04 +0500 Subject: [PATCH 338/786] Add flake8-pie rules to ruff. --- pyproject.toml | 2 ++ scrapy/commands/shell.py | 1 - scrapy/core/scheduler.py | 2 -- scrapy/dupefilters.py | 1 - scrapy/exceptions.py | 14 -------------- scrapy/robotstxt.py | 2 -- tests/spiders.py | 4 ++-- tests/test_contracts.py | 6 ------ tests/test_downloadermiddleware_retry.py | 2 +- tests/test_extension_telnet.py | 2 +- tests/test_pipeline_files.py | 8 ++++---- tests/test_pipeline_images.py | 8 ++++---- 12 files changed, 14 insertions(+), 38 deletions(-) diff --git a/pyproject.toml b/pyproject.toml index 131684724..b3dd9f057 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -242,6 +242,8 @@ extend-select = [ "LOG", # pygrep-hooks "PGH", + # flake8-pie + "PIE", # flake8-quotes "Q", # flake8-return diff --git a/scrapy/commands/shell.py b/scrapy/commands/shell.py index 4ca015f5e..3047ae396 100644 --- a/scrapy/commands/shell.py +++ b/scrapy/commands/shell.py @@ -61,7 +61,6 @@ class Command(ScrapyCommand): """You can use this function to update the Scrapy objects that will be available in the shell """ - pass def run(self, args: list[str], opts: Namespace) -> None: url = args[0] if args else None diff --git a/scrapy/core/scheduler.py b/scrapy/core/scheduler.py index 823677175..fcc94879a 100644 --- a/scrapy/core/scheduler.py +++ b/scrapy/core/scheduler.py @@ -81,7 +81,6 @@ class BaseScheduler(metaclass=BaseSchedulerMeta): :param spider: the spider object for the current crawl :type spider: :class:`~scrapy.spiders.Spider` """ - pass def close(self, reason: str) -> Deferred[None] | None: """ @@ -91,7 +90,6 @@ class BaseScheduler(metaclass=BaseSchedulerMeta): :param reason: a string which describes the reason why the spider was closed :type reason: :class:`str` """ - pass @abstractmethod def has_pending_requests(self) -> bool: diff --git a/scrapy/dupefilters.py b/scrapy/dupefilters.py index 7b8eea135..caf69daf4 100644 --- a/scrapy/dupefilters.py +++ b/scrapy/dupefilters.py @@ -50,7 +50,6 @@ class BaseDupeFilter: def log(self, request: Request, spider: Spider) -> None: """Log that a request has been filtered""" - pass class RFPDupeFilter(BaseDupeFilter): diff --git a/scrapy/exceptions.py b/scrapy/exceptions.py index e7ecdbe0c..96566ba86 100644 --- a/scrapy/exceptions.py +++ b/scrapy/exceptions.py @@ -13,8 +13,6 @@ from typing import Any class NotConfigured(Exception): """Indicates a missing configuration situation""" - pass - class _InvalidOutput(TypeError): """ @@ -22,8 +20,6 @@ class _InvalidOutput(TypeError): Internal and undocumented, it should not be raised or caught by user code. """ - pass - # HTTP and crawling @@ -35,8 +31,6 @@ class IgnoreRequest(Exception): class DontCloseSpider(Exception): """Request the spider not to be closed yet""" - pass - class CloseSpider(Exception): """Raise this from callbacks to request the spider to be closed""" @@ -64,14 +58,10 @@ class StopDownload(Exception): class DropItem(Exception): """Drop item from the item pipeline""" - pass - class NotSupported(Exception): """Indicates a feature or method is not supported""" - pass - # Commands @@ -89,10 +79,6 @@ class ScrapyDeprecationWarning(Warning): DeprecationWarning is silenced on Python 2.7+ """ - pass - class ContractFail(AssertionError): """Error raised in case of a failing contract""" - - pass diff --git a/scrapy/robotstxt.py b/scrapy/robotstxt.py index 844969c6d..417c9c142 100644 --- a/scrapy/robotstxt.py +++ b/scrapy/robotstxt.py @@ -52,7 +52,6 @@ class RobotParser(metaclass=ABCMeta): :param robotstxt_body: content of a robots.txt_ file. :type robotstxt_body: bytes """ - pass @abstractmethod def allowed(self, url: str | bytes, user_agent: str | bytes) -> bool: @@ -64,7 +63,6 @@ class RobotParser(metaclass=ABCMeta): :param user_agent: User agent :type user_agent: str or bytes """ - pass class PythonRobotParser(RobotParser): diff --git a/tests/spiders.py b/tests/spiders.py index 0180cf757..3c44d7da5 100644 --- a/tests/spiders.py +++ b/tests/spiders.py @@ -393,8 +393,8 @@ class DuplicateStartRequestsSpider(MockServerSpider): dupe_factor = 3 def start_requests(self): - for i in range(0, self.distinct_urls): - for j in range(0, self.dupe_factor): + for i in range(self.distinct_urls): + for j in range(self.dupe_factor): url = self.mockserver.url(f"/echo?headers=1&body=test{i}") yield Request(url, dont_filter=self.dont_filter) diff --git a/tests/test_contracts.py b/tests/test_contracts.py index b0cb92d12..743889234 100644 --- a/tests/test_contracts.py +++ b/tests/test_contracts.py @@ -178,27 +178,23 @@ class TestSpider(Spider): """method with no url @returns items 1 1 """ - pass def custom_form(self, response): """ @url http://scrapy.org @custom_form """ - pass def invalid_regex(self, response): """method with invalid regex @ Scrapy is awsome """ - pass def invalid_regex_with_valid_contract(self, response): """method with invalid regex @ scrapy is awsome @url http://scrapy.org """ - pass def returns_request_meta(self, response): """method which returns request @@ -235,7 +231,6 @@ class CustomContractSuccessSpider(Spider): """ @custom_success_contract """ - pass class CustomContractFailSpider(Spider): @@ -245,7 +240,6 @@ class CustomContractFailSpider(Spider): """ @custom_fail_contract """ - pass class InheritsTestSpider(TestSpider): diff --git a/tests/test_downloadermiddleware_retry.py b/tests/test_downloadermiddleware_retry.py index a010865ef..c99f19b03 100644 --- a/tests/test_downloadermiddleware_retry.py +++ b/tests/test_downloadermiddleware_retry.py @@ -265,7 +265,7 @@ class MaxRetryTimesTest(unittest.TestCase): spider = spider or self.spider middleware = middleware or self.mw - for i in range(0, max_retry_times): + for i in range(max_retry_times): req = middleware.process_exception(req, exception, spider) assert isinstance(req, Request) diff --git a/tests/test_extension_telnet.py b/tests/test_extension_telnet.py index 9fd680e9f..8c897c223 100644 --- a/tests/test_extension_telnet.py +++ b/tests/test_extension_telnet.py @@ -13,7 +13,7 @@ class TelnetExtensionTest(unittest.TestCase): console = TelnetConsole(crawler) # This function has some side effects we don't need for this test - console._get_telnet_vars = lambda: {} + console._get_telnet_vars = dict console.start_listening() protocol = console.protocol() diff --git a/tests/test_pipeline_files.py b/tests/test_pipeline_files.py index 2be5e09bc..a6c5f0a94 100644 --- a/tests/test_pipeline_files.py +++ b/tests/test_pipeline_files.py @@ -311,11 +311,11 @@ class FilesPipelineTestCaseFieldsDataClass( class FilesPipelineTestAttrsItem: name = attr.ib(default="") # default fields - file_urls: list[str] = attr.ib(default=lambda: []) - files: list[dict[str, str]] = attr.ib(default=lambda: []) + file_urls: list[str] = attr.ib(default=list) + files: list[dict[str, str]] = attr.ib(default=list) # overridden fields - custom_file_urls: list[str] = attr.ib(default=lambda: []) - custom_files: list[dict[str, str]] = attr.ib(default=lambda: []) + custom_file_urls: list[str] = attr.ib(default=list) + custom_files: list[dict[str, str]] = attr.ib(default=list) class FilesPipelineTestCaseFieldsAttrsItem( diff --git a/tests/test_pipeline_images.py b/tests/test_pipeline_images.py index 3ffef4102..3d049843a 100644 --- a/tests/test_pipeline_images.py +++ b/tests/test_pipeline_images.py @@ -295,11 +295,11 @@ class ImagesPipelineTestCaseFieldsDataClass( class ImagesPipelineTestAttrsItem: name = attr.ib(default="") # default fields - image_urls: list[str] = attr.ib(default=lambda: []) - images: list[dict[str, str]] = attr.ib(default=lambda: []) + image_urls: list[str] = attr.ib(default=list) + images: list[dict[str, str]] = attr.ib(default=list) # overridden fields - custom_image_urls: list[str] = attr.ib(default=lambda: []) - custom_images: list[dict[str, str]] = attr.ib(default=lambda: []) + custom_image_urls: list[str] = attr.ib(default=list) + custom_images: list[dict[str, str]] = attr.ib(default=list) class ImagesPipelineTestCaseFieldsAttrsItem( From c2832ed1316b25813870a3ef8ebc15473a35d82f Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 12 Dec 2024 20:44:28 +0500 Subject: [PATCH 339/786] Add flake8-pyi rules to ruff. --- pyproject.toml | 2 ++ scrapy/downloadermiddlewares/robotstxt.py | 4 +--- scrapy/link.py | 4 +--- scrapy/pipelines/media.py | 13 +------------ scrapy/utils/response.py | 2 +- tests/test_scheduler.py | 11 ++++++++--- 6 files changed, 14 insertions(+), 22 deletions(-) diff --git a/pyproject.toml b/pyproject.toml index b3dd9f057..973d43162 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -244,6 +244,8 @@ extend-select = [ "PGH", # flake8-pie "PIE", + # flake8-pyi + "PYI", # flake8-quotes "Q", # flake8-return diff --git a/scrapy/downloadermiddlewares/robotstxt.py b/scrapy/downloadermiddlewares/robotstxt.py index ea9f47d69..9411cff14 100644 --- a/scrapy/downloadermiddlewares/robotstxt.py +++ b/scrapy/downloadermiddlewares/robotstxt.py @@ -7,7 +7,7 @@ enable this middleware and enable the ROBOTSTXT_OBEY setting. from __future__ import annotations import logging -from typing import TYPE_CHECKING, TypeVar +from typing import TYPE_CHECKING from twisted.internet.defer import Deferred, maybeDeferred @@ -31,8 +31,6 @@ if TYPE_CHECKING: logger = logging.getLogger(__name__) -_T = TypeVar("_T") - class RobotsTxtMiddleware: DOWNLOAD_PRIORITY: int = 1000 diff --git a/scrapy/link.py b/scrapy/link.py index 4bdbc1823..1a569f892 100644 --- a/scrapy/link.py +++ b/scrapy/link.py @@ -5,8 +5,6 @@ For actual link extractors implementation see scrapy.linkextractors, or its documentation in: docs/topics/link-extractors.rst """ -from typing import Any - class Link: """Link objects represent an extracted link by the LinkExtractor. @@ -39,7 +37,7 @@ class Link: self.fragment: str = fragment self.nofollow: bool = nofollow - def __eq__(self, other: Any) -> bool: + def __eq__(self, other: object) -> bool: if not isinstance(other, Link): raise NotImplementedError return ( diff --git a/scrapy/pipelines/media.py b/scrapy/pipelines/media.py index b16f1cb84..5438b8522 100644 --- a/scrapy/pipelines/media.py +++ b/scrapy/pipelines/media.py @@ -5,16 +5,7 @@ import logging import warnings from abc import ABC, abstractmethod from collections import defaultdict -from typing import ( - TYPE_CHECKING, - Any, - Literal, - NoReturn, - TypedDict, - TypeVar, - Union, - cast, -) +from typing import TYPE_CHECKING, Any, Literal, NoReturn, TypedDict, Union, cast from twisted import version as twisted_version from twisted.internet.defer import Deferred, DeferredList @@ -41,8 +32,6 @@ if TYPE_CHECKING: from scrapy.http import Response from scrapy.utils.request import RequestFingerprinter -_T = TypeVar("_T") - class FileInfo(TypedDict): url: str diff --git a/scrapy/utils/response.py b/scrapy/utils/response.py index a7ad4544d..76a6b7de6 100644 --- a/scrapy/utils/response.py +++ b/scrapy/utils/response.py @@ -53,7 +53,7 @@ def get_meta_refresh( return _metaref_cache[response] -def response_status_message(status: bytes | float | int | str) -> str: +def response_status_message(status: bytes | float | str) -> str: """Return status code plus status text descriptive message""" status_int = int(status) message = http.RESPONSES.get(status_int, "Unknown Status") diff --git a/tests/test_scheduler.py b/tests/test_scheduler.py index 387bc7c20..8bd1480ad 100644 --- a/tests/test_scheduler.py +++ b/tests/test_scheduler.py @@ -1,9 +1,9 @@ from __future__ import annotations -import collections import shutil import tempfile import unittest +from typing import Any, NamedTuple from twisted.internet import defer from twisted.trial.unittest import TestCase @@ -18,8 +18,13 @@ from scrapy.utils.misc import load_object from scrapy.utils.test import get_crawler from tests.mockserver import MockServer -MockEngine = collections.namedtuple("MockEngine", ["downloader"]) -MockSlot = collections.namedtuple("MockSlot", ["active"]) + +class MockEngine(NamedTuple): + downloader: MockDownloader + + +class MockSlot(NamedTuple): + active: list[Any] class MockDownloader: From 1e4c81e9dce7dfc06c8ab1b89d85da32f0cb54de Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 12 Dec 2024 21:03:34 +0500 Subject: [PATCH 340/786] Add Perflint rules to ruff. --- pyproject.toml | 4 ++++ scrapy/utils/asyncgen.py | 5 +---- scrapy/utils/python.py | 3 +-- tests/test_feedexport.py | 4 ++-- tests/test_spidermiddleware.py | 5 +---- tests/test_utils_asyncgen.py | 4 +--- tests/test_utils_iterators.py | 30 ++++++++++++++---------------- tests/test_utils_python.py | 7 ------- 8 files changed, 24 insertions(+), 38 deletions(-) diff --git a/pyproject.toml b/pyproject.toml index 973d43162..b63a3631b 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -240,6 +240,8 @@ extend-select = [ "ISC", # flake8-logging "LOG", + # Perflint + "PERF", # pygrep-hooks "PGH", # flake8-pie @@ -314,6 +316,8 @@ ignore = [ "D402", # First word of the first line should be properly capitalized "D403", + # `try`-`except` within a loop incurs performance overhead + "PERF203", # Use of `assert` detected; needed for mypy "S101", # FTP-related functions are being called; https://github.com/scrapy/scrapy/issues/4180 diff --git a/scrapy/utils/asyncgen.py b/scrapy/utils/asyncgen.py index 905959c25..237bd8331 100644 --- a/scrapy/utils/asyncgen.py +++ b/scrapy/utils/asyncgen.py @@ -7,10 +7,7 @@ _T = TypeVar("_T") async def collect_asyncgen(result: AsyncIterable[_T]) -> list[_T]: - results = [] - async for x in result: - results.append(x) - return results + return [x async for x in result] async def as_async_generator( diff --git a/scrapy/utils/python.py b/scrapy/utils/python.py index 511511301..e954b625c 100644 --- a/scrapy/utils/python.py +++ b/scrapy/utils/python.py @@ -235,8 +235,7 @@ def get_func_args(func: Callable[..., Any], stripself: bool = False) -> list[str continue args.append(name) else: - for name in sig.parameters.keys(): - args.append(name) + args = list(sig.parameters) if stripself and args and args[0] == "self": args = args[1:] diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py index 031d6180d..2debbe0d7 100644 --- a/tests/test_feedexport.py +++ b/tests/test_feedexport.py @@ -1757,13 +1757,13 @@ class FeedPostProcessedExportsTest(FeedExportTestBase): crawler = get_crawler(spider_cls, settings) yield crawler.crawl() - for file_path, feed_options in FEEDS.items(): + for file_path in FEEDS: content[str(file_path)] = ( Path(file_path).read_bytes() if Path(file_path).exists() else None ) finally: - for file_path in FEEDS.keys(): + for file_path in FEEDS: if not Path(file_path).exists(): continue diff --git a/tests/test_spidermiddleware.py b/tests/test_spidermiddleware.py index af3b7543d..f2a57bd88 100644 --- a/tests/test_spidermiddleware.py +++ b/tests/test_spidermiddleware.py @@ -289,10 +289,7 @@ class ProcessSpiderOutputNonIterableMiddleware: class ProcessSpiderOutputCoroutineMiddleware: async def process_spider_output(self, response, result, spider): - results = [] - for r in result: - results.append(r) - return results + return result class ProcessSpiderOutputInvalidResult(BaseAsyncSpiderMiddlewareTestCase): diff --git a/tests/test_utils_asyncgen.py b/tests/test_utils_asyncgen.py index 9ae66c57c..8adeea5c0 100644 --- a/tests/test_utils_asyncgen.py +++ b/tests/test_utils_asyncgen.py @@ -8,9 +8,7 @@ class AsyncgenUtilsTest(unittest.TestCase): @deferred_f_from_coro_f async def test_as_async_generator(self): ag = as_async_generator(range(42)) - results = [] - async for i in ag: - results.append(i) + results = [i async for i in ag] self.assertEqual(results, list(range(42))) @deferred_f_from_coro_f diff --git a/tests/test_utils_iterators.py b/tests/test_utils_iterators.py index ec377bb19..4c81e3a2f 100644 --- a/tests/test_utils_iterators.py +++ b/tests/test_utils_iterators.py @@ -26,15 +26,14 @@ class XmliterBaseTestCase: """ response = XmlResponse(url="http://example.com", body=body) - attrs = [] - for x in self.xmliter(response, "product"): - attrs.append( - ( - x.attrib["id"], - x.xpath("name/text()").getall(), - x.xpath("./type/text()").getall(), - ) + attrs = [ + ( + x.attrib["id"], + x.xpath("name/text()").getall(), + x.xpath("./type/text()").getall(), ) + for x in self.xmliter(response, "product") + ] self.assertEqual( attrs, [("001", ["Name 1"], ["Type 1"]), ("002", ["Name 2"], ["Type 2"])] @@ -99,15 +98,14 @@ class XmliterBaseTestCase: # Unicode body needs encoding information XmlResponse(url="http://example.com", body=body, encoding="utf-8"), ): - attrs = [] - for x in self.xmliter(r, "þingflokkur"): - attrs.append( - ( - x.attrib["id"], - x.xpath("./skammstafanir/stuttskammstöfun/text()").getall(), - x.xpath("./tímabil/fyrstaþing/text()").getall(), - ) + attrs = [ + ( + x.attrib["id"], + x.xpath("./skammstafanir/stuttskammstöfun/text()").getall(), + x.xpath("./tímabil/fyrstaþing/text()").getall(), ) + for x in self.xmliter(r, "þingflokkur") + ] self.assertEqual( attrs, diff --git a/tests/test_utils_python.py b/tests/test_utils_python.py index f80f2517a..83004cec4 100644 --- a/tests/test_utils_python.py +++ b/tests/test_utils_python.py @@ -58,13 +58,6 @@ class MutableAsyncChainTest(unittest.TestCase): for i in range(5, 7): yield i - @staticmethod - async def collect_asyncgen_exc(asyncgen): - results = [] - async for x in asyncgen: - results.append(x) - return results - @deferred_f_from_coro_f async def test_mutableasyncchain(self): m = MutableAsyncChain(self.g1(), as_async_generator(range(3, 7))) From c003fc0841367227aff3c2c1192fe60abbd1a458 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 12 Dec 2024 21:07:01 +0500 Subject: [PATCH 341/786] Add flake8 warning rules to ruff. --- pyproject.toml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/pyproject.toml b/pyproject.toml index b63a3631b..c0297e192 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -264,6 +264,8 @@ extend-select = [ "TC", # pyupgrade "UP", + # pycodestyle warnings + "W", # flake8-2020 "YTT", ] From 7dd92e6e4341dc6d5ba70a20d7e89edb3a87fba9 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Mon, 16 Dec 2024 12:44:36 +0400 Subject: [PATCH 342/786] Add pylint rules to ruff, refresh the ignore list of pylint itself (#6584) --- pyproject.toml | 32 +++++++++++-------- scrapy/__init__.py | 2 +- scrapy/cmdline.py | 2 +- scrapy/exporters.py | 7 ++-- scrapy/utils/defer.py | 2 +- scrapy/utils/deprecate.py | 2 +- scrapy/utils/log.py | 2 +- scrapy/utils/reactor.py | 5 ++- scrapy/utils/spider.py | 4 --- scrapy/utils/url.py | 6 ++-- .../test_spider/pipelines.py | 2 +- tests/test_downloader_handlers.py | 5 --- tests/test_downloadermiddleware.py | 2 +- tests/test_extension_periodic_log.py | 1 - tests/test_feedexport.py | 2 +- tests/test_loader_deprecated.py | 4 +-- tests/test_spidermiddleware.py | 2 +- tests/test_spidermiddleware_output_chain.py | 1 - tests/test_utils_asyncio.py | 2 +- tests/test_utils_defer.py | 2 +- ...t_return_with_argument_inside_generator.py | 7 ---- tests/test_utils_spider.py | 2 +- tests/test_utils_url.py | 2 -- 23 files changed, 41 insertions(+), 57 deletions(-) diff --git a/pyproject.toml b/pyproject.toml index c0297e192..7dc1f6ec3 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -122,6 +122,9 @@ profile = "black" [tool.pylint.MASTER] persistent = "no" jobs = 1 # >1 hides results +extension-pkg-allow-list=[ + "lxml", +] [tool.pylint."MESSAGES CONTROL"] disable = [ @@ -129,11 +132,7 @@ disable = [ "arguments-differ", "arguments-renamed", "attribute-defined-outside-init", - "bad-classmethod-argument", - "bare-except", - "broad-except", - "broad-exception-raised", - "c-extension-no-member", + "broad-exception-caught", "consider-using-with", "cyclic-import", "dangerous-default-value", @@ -141,9 +140,6 @@ disable = [ "duplicate-code", # https://github.com/PyCQA/pylint/issues/214 "eval-used", "fixme", - "function-redefined", - "global-statement", - "implicit-str-concat", "import-error", "import-outside-toplevel", "inherit-non-class", @@ -155,7 +151,6 @@ disable = [ "logging-format-interpolation", "logging-fstring-interpolation", "logging-not-lazy", - "lost-exception", "missing-docstring", "no-member", "no-method-argument", @@ -169,13 +164,11 @@ disable = [ "raise-missing-from", "redefined-builtin", "redefined-outer-name", - "reimported", "signature-differs", "too-few-public-methods", "too-many-ancestors", "too-many-arguments", "too-many-branches", - "too-many-format-args", "too-many-function-args", "too-many-instance-attributes", "too-many-lines", @@ -184,14 +177,11 @@ disable = [ "too-many-return-statements", "unbalanced-tuple-unpacking", "unnecessary-dunder-call", - "unnecessary-pass", - "unreachable", "unused-argument", "unused-import", "unused-variable", "used-before-assignment", "useless-return", - "wildcard-import", "wrong-import-position", ] @@ -246,6 +236,8 @@ extend-select = [ "PGH", # flake8-pie "PIE", + # pylint + "PL", # flake8-pyi "PYI", # flake8-quotes @@ -320,6 +312,18 @@ ignore = [ "D403", # `try`-`except` within a loop incurs performance overhead "PERF203", + # Too many return statements + "PLR0911", + # Too many branches + "PLR0912", + # Too many arguments in function definition + "PLR0913", + # Too many statements + "PLR0915", + # Magic value used in comparison + "PLR2004", + # `for` loop variable overwritten by assignment target + "PLW2901", # Use of `assert` detected; needed for mypy "S101", # FTP-related functions are being called; https://github.com/scrapy/scrapy/issues/4180 diff --git a/scrapy/__init__.py b/scrapy/__init__.py index 921296502..c19710a6a 100644 --- a/scrapy/__init__.py +++ b/scrapy/__init__.py @@ -31,7 +31,7 @@ version_info = tuple(int(v) if v.isdigit() else v for v in __version__.split("." def __getattr__(name: str): if name == "twisted_version": - import warnings + import warnings # pylint: disable=reimported from twisted import version as _txv diff --git a/scrapy/cmdline.py b/scrapy/cmdline.py index b6f19a37f..9a24871de 100644 --- a/scrapy/cmdline.py +++ b/scrapy/cmdline.py @@ -74,7 +74,7 @@ def _get_commands_from_entry_points( if inspect.isclass(obj): cmds[entry_point.name] = obj() else: - raise Exception(f"Invalid entry point {entry_point.name}") + raise ValueError(f"Invalid entry point {entry_point.name}") return cmds diff --git a/scrapy/exporters.py b/scrapy/exporters.py index b6997ef67..cdb7ac159 100644 --- a/scrapy/exporters.py +++ b/scrapy/exporters.py @@ -92,11 +92,10 @@ class BaseItemExporter: field_iter = ( (x, y) for x, y in self.fields_to_export.items() if x in item ) + elif include_empty: + field_iter = self.fields_to_export else: - if include_empty: - field_iter = self.fields_to_export - else: - field_iter = (x for x in self.fields_to_export if x in item) + field_iter = (x for x in self.fields_to_export if x in item) for field_name in field_iter: if isinstance(field_name, str): diff --git a/scrapy/utils/defer.py b/scrapy/utils/defer.py index 9f1b816c8..000ab5c65 100644 --- a/scrapy/utils/defer.py +++ b/scrapy/utils/defer.py @@ -398,7 +398,7 @@ def maybeDeferred_coro( """Copy of defer.maybeDeferred that also converts coroutines to Deferreds.""" try: result = f(*args, **kw) - except: # noqa: E722,B001 + except: # noqa: E722 # pylint: disable=bare-except return defer.fail(failure.Failure(captureVars=Deferred.debug)) if isinstance(result, Deferred): diff --git a/scrapy/utils/deprecate.py b/scrapy/utils/deprecate.py index 32430cd6c..0a0acc742 100644 --- a/scrapy/utils/deprecate.py +++ b/scrapy/utils/deprecate.py @@ -60,7 +60,7 @@ def create_deprecated_class( deprecated_class: type | None = None warned_on_subclass: bool = False - def __new__( + def __new__( # pylint: disable=bad-classmethod-argument metacls, name: str, bases: tuple[type, ...], clsdict_: dict[str, Any] ) -> type: cls = super().__new__(metacls, name, bases, clsdict_) diff --git a/scrapy/utils/log.py b/scrapy/utils/log.py index a40b835cd..6165d1f72 100644 --- a/scrapy/utils/log.py +++ b/scrapy/utils/log.py @@ -130,7 +130,7 @@ _scrapy_root_handler: logging.Handler | None = None def install_scrapy_root_handler(settings: Settings) -> None: - global _scrapy_root_handler + global _scrapy_root_handler # noqa: PLW0603 # pylint: disable=global-statement if ( _scrapy_root_handler is not None diff --git a/scrapy/utils/reactor.py b/scrapy/utils/reactor.py index 2d781cc27..66a06a9f0 100644 --- a/scrapy/utils/reactor.py +++ b/scrapy/utils/reactor.py @@ -149,12 +149,11 @@ def verify_installed_reactor(reactor_path: str) -> None: reactor_class = load_object(reactor_path) if not reactor.__class__ == reactor_class: - msg = ( + raise RuntimeError( "The installed reactor " f"({reactor.__module__}.{reactor.__class__.__name__}) does not " f"match the requested one ({reactor_path})" ) - raise Exception(msg) def verify_installed_asyncio_event_loop(loop_path: str) -> None: @@ -168,7 +167,7 @@ def verify_installed_asyncio_event_loop(loop_path: str) -> None: f".{reactor._asyncioEventloop.__class__.__qualname__}" ) specified = f"{loop_class.__module__}.{loop_class.__qualname__}" - raise Exception( + raise RuntimeError( "Scrapy found an asyncio Twisted reactor already " f"installed, and its event loop class ({installed}) does " "not match the one specified in the ASYNCIO_EVENT_LOOP " diff --git a/scrapy/utils/spider.py b/scrapy/utils/spider.py index e58eb8134..5277a292c 100644 --- a/scrapy/utils/spider.py +++ b/scrapy/utils/spider.py @@ -52,10 +52,6 @@ def iter_spider_classes(module: ModuleType) -> Iterable[type[Spider]]: """Return an iterator over all spider classes defined in the given module that can be instantiated (i.e. which have name) """ - # this needs to be imported here until get rid of the spider manager - # singleton in scrapy.spider.spiders - from scrapy.spiders import Spider - for obj in vars(module).values(): if ( inspect.isclass(obj) diff --git a/scrapy/utils/url.py b/scrapy/utils/url.py index 2539f30c7..1cbfbfd99 100644 --- a/scrapy/utils/url.py +++ b/scrapy/utils/url.py @@ -14,7 +14,7 @@ from urllib.parse import ParseResult, urldefrag, urlparse, urlunparse # scrapy.utils.url was moved to w3lib.url and import * ensures this # move doesn't break old code -from w3lib.url import * # pylint: disable=unused-wildcard-import +from w3lib.url import * # pylint: disable=unused-wildcard-import,wildcard-import from w3lib.url import _safe_chars, _unquotepath # noqa: F401 from scrapy.utils.python import to_unicode @@ -50,7 +50,9 @@ def url_has_any_extension(url: UrlT, extensions: Iterable[str]) -> bool: return any(lowercase_path.endswith(ext) for ext in extensions) -def parse_url(url: UrlT, encoding: str | None = None) -> ParseResult: +def parse_url( # pylint: disable=function-redefined + url: UrlT, encoding: str | None = None +) -> ParseResult: """Return urlparsed url from the given argument (which could be an already parsed url) """ diff --git a/tests/test_cmdline_crawl_with_pipeline/test_spider/pipelines.py b/tests/test_cmdline_crawl_with_pipeline/test_spider/pipelines.py index af15cac68..3e29c70ed 100644 --- a/tests/test_cmdline_crawl_with_pipeline/test_spider/pipelines.py +++ b/tests/test_cmdline_crawl_with_pipeline/test_spider/pipelines.py @@ -8,7 +8,7 @@ class TestSpiderPipeline: class TestSpiderExceptionPipeline: def open_spider(self, spider): - raise Exception("exception") + raise RuntimeError("exception") def process_item(self, item, spider): return item diff --git a/tests/test_downloader_handlers.py b/tests/test_downloader_handlers.py index 3fcba4ef2..8ecba41bf 100644 --- a/tests/test_downloader_handlers.py +++ b/tests/test_downloader_handlers.py @@ -349,11 +349,6 @@ class HttpTestCase(unittest.TestCase): request = Request(self.getURL("host"), headers={"Host": host}) return self.download_request(request, Spider("foo")).addCallback(_test) - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.body) - d.addCallback(self.assertEqual, b"localhost") - return d - def test_content_length_zero_bodyless_post_request_headers(self): """Tests if "Content-Length: 0" is sent for bodyless POST requests. diff --git a/tests/test_downloadermiddleware.py b/tests/test_downloadermiddleware.py index e650b4936..c581e7596 100644 --- a/tests/test_downloadermiddleware.py +++ b/tests/test_downloadermiddleware.py @@ -178,7 +178,7 @@ class ProcessExceptionInvalidOutput(ManagerTestCase): class InvalidProcessExceptionMiddleware: def process_request(self, request, spider): - raise Exception + raise RuntimeError def process_exception(self, request, exception, spider): return 1 diff --git a/tests/test_extension_periodic_log.py b/tests/test_extension_periodic_log.py index b7312bbcd..15129e31f 100644 --- a/tests/test_extension_periodic_log.py +++ b/tests/test_extension_periodic_log.py @@ -192,4 +192,3 @@ class TestPeriodicLog(unittest.TestCase): {"PERIODIC_LOG_STATS": {"include": ["downloader/"], "exclude": ["bytes"]}}, lambda k, v: "downloader/" in k and "bytes" not in k, ) - # diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py index 2debbe0d7..b087aaab1 100644 --- a/tests/test_feedexport.py +++ b/tests/test_feedexport.py @@ -727,7 +727,7 @@ class ExceptionJsonItemExporter(JsonItemExporter): """JsonItemExporter that throws an exception every time export_item is called.""" def export_item(self, _): - raise Exception("foo") + raise RuntimeError("foo") class FeedExportTest(FeedExportTestBase): diff --git a/tests/test_loader_deprecated.py b/tests/test_loader_deprecated.py index f9b841a61..4bf22f6a0 100644 --- a/tests/test_loader_deprecated.py +++ b/tests/test_loader_deprecated.py @@ -330,10 +330,10 @@ class BasicItemLoaderTest(unittest.TestCase): il.add_value("name", ["mar", "ta"]) self.assertEqual(il.get_output_value("name"), "Mar Ta") - class TakeFirstItemLoader(TestItemLoader): + class TakeFirstItemLoader2(TestItemLoader): name_out = Join("<br>") - il = TakeFirstItemLoader() + il = TakeFirstItemLoader2() il.add_value("name", ["mar", "ta"]) self.assertEqual(il.get_output_value("name"), "Mar<br>Ta") diff --git a/tests/test_spidermiddleware.py b/tests/test_spidermiddleware.py index f2a57bd88..ba64ba721 100644 --- a/tests/test_spidermiddleware.py +++ b/tests/test_spidermiddleware.py @@ -78,7 +78,7 @@ class ProcessSpiderExceptionInvalidOutput(SpiderMiddlewareTestCase): class RaiseExceptionProcessSpiderOutputMiddleware: def process_spider_output(self, response, result, spider): - raise Exception + raise RuntimeError self.mwman._add_middleware(InvalidProcessSpiderOutputExceptionMiddleware()) self.mwman._add_middleware(RaiseExceptionProcessSpiderOutputMiddleware()) diff --git a/tests/test_spidermiddleware_output_chain.py b/tests/test_spidermiddleware_output_chain.py index 4c19d167f..e51957497 100644 --- a/tests/test_spidermiddleware_output_chain.py +++ b/tests/test_spidermiddleware_output_chain.py @@ -247,7 +247,6 @@ class NotGeneratorFailMiddleware: r["processed"].append(f"{self.__class__.__name__}.process_spider_output") out.append(r) raise ReferenceError - return out def process_spider_exception(self, response, exception, spider): method = f"{self.__class__.__name__}.process_spider_exception" diff --git a/tests/test_utils_asyncio.py b/tests/test_utils_asyncio.py index 1c93829e9..e00f69573 100644 --- a/tests/test_utils_asyncio.py +++ b/tests/test_utils_asyncio.py @@ -26,7 +26,7 @@ class AsyncioTest(TestCase): with warnings.catch_warnings(record=True) as w: install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") self.assertEqual(len(w), 0) - from twisted.internet import reactor + from twisted.internet import reactor # pylint: disable=reimported assert original_reactor == reactor diff --git a/tests/test_utils_defer.py b/tests/test_utils_defer.py index 3f153bdc0..e4ab97e5d 100644 --- a/tests/test_utils_defer.py +++ b/tests/test_utils_defer.py @@ -153,7 +153,7 @@ class AsyncDefTestsuiteTest(unittest.TestCase): @mark.xfail(reason="Checks that the test is actually executed", strict=True) @deferred_f_from_coro_f async def test_deferred_f_from_coro_f_xfail(self): - raise Exception("This is expected to be raised") + raise RuntimeError("This is expected to be raised") class AsyncCooperatorTest(unittest.TestCase): diff --git a/tests/test_utils_misc/test_return_with_argument_inside_generator.py b/tests/test_utils_misc/test_return_with_argument_inside_generator.py index c7774751e..480729d11 100644 --- a/tests/test_utils_misc/test_return_with_argument_inside_generator.py +++ b/tests/test_utils_misc/test_return_with_argument_inside_generator.py @@ -32,7 +32,6 @@ def top_level_return_none(): https://example.org """ yield url - return def generator_that_returns_stuff(): @@ -103,11 +102,9 @@ https://example.org def test_generators_return_none(self): def f2(): yield 1 - return None def g2(): yield 1 - return def h2(): yield 1 @@ -132,7 +129,6 @@ https://example.org https://example.org """ yield url - return def l2(): return @@ -181,12 +177,10 @@ https://example.org @decorator def f3(): yield 1 - return None @decorator def g3(): yield 1 - return @decorator def h3(): @@ -215,7 +209,6 @@ https://example.org https://example.org """ yield url - return @decorator def l3(): diff --git a/tests/test_utils_spider.py b/tests/test_utils_spider.py index dd1d26448..ae59d0137 100644 --- a/tests/test_utils_spider.py +++ b/tests/test_utils_spider.py @@ -26,7 +26,7 @@ class UtilsSpidersTestCase(unittest.TestCase): self.assertEqual(list(iterate_spider_output([r, i, o])), [r, i, o]) def test_iter_spider_classes(self): - import tests.test_utils_spider # pylint: disable=import-self + import tests.test_utils_spider # noqa: PLW0406 # pylint: disable=import-self it = iter_spider_classes(tests.test_utils_spider) self.assertEqual(set(it), {MySpider1, MySpider2}) diff --git a/tests/test_utils_url.py b/tests/test_utils_url.py index 59a95b0e2..a15ad749d 100644 --- a/tests/test_utils_url.py +++ b/tests/test_utils_url.py @@ -327,8 +327,6 @@ def create_guess_scheme_t(args): def create_skipped_scheme_t(args): def do_expected(self): raise unittest.SkipTest(args[2]) - url = guess_scheme(args[0]) - assert url.startswith(args[1]) return do_expected From 21b9ba717c1687a889879232f226c75fb4dbe0bf Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= <adrian@chaves.io> Date: Mon, 16 Dec 2024 14:46:23 +0100 Subject: [PATCH 343/786] Allow customizing logged software versions (#6582) Co-authored-by: Grammy Jiang <grammy.jiang@gmail.com> Co-authored-by: Andrey Rakhmatullin <wrar@wrar.name> --- docs/topics/settings.rst | 19 ++++++++++ scrapy/commands/version.py | 4 +- scrapy/settings/default_settings.py | 12 ++++++ scrapy/utils/log.py | 14 +++---- scrapy/utils/versions.py | 59 ++++++++++++++++++----------- tests/test_crawler.py | 26 +++++++++++++ 6 files changed, 103 insertions(+), 31 deletions(-) diff --git a/docs/topics/settings.rst b/docs/topics/settings.rst index cce4a7b3e..76904a26e 100644 --- a/docs/topics/settings.rst +++ b/docs/topics/settings.rst @@ -1228,6 +1228,25 @@ Default: ``False`` If ``True``, the logs will just contain the root path. If it is set to ``False`` then it displays the component responsible for the log output +.. setting:: LOG_VERSIONS + +LOG_VERSIONS +------------ + +Default: ``["lxml", "libxml2", "cssselect", "parsel", "w3lib", "Twisted", "Python", "pyOpenSSL", "cryptography", "Platform"]`` + +Logs the installed versions of the specified items. + +An item can be any installed Python package. + +The following special items are also supported: + +- ``libxml2`` + +- ``Platform`` (:func:`platform.platform`) + +- ``Python`` + .. setting:: LOGSTATS_INTERVAL LOGSTATS_INTERVAL diff --git a/scrapy/commands/version.py b/scrapy/commands/version.py index 571f4fda8..713a78ad9 100644 --- a/scrapy/commands/version.py +++ b/scrapy/commands/version.py @@ -2,7 +2,7 @@ import argparse import scrapy from scrapy.commands import ScrapyCommand -from scrapy.utils.versions import scrapy_components_versions +from scrapy.utils.versions import get_versions class Command(ScrapyCommand): @@ -26,7 +26,7 @@ class Command(ScrapyCommand): def run(self, args: list[str], opts: argparse.Namespace) -> None: if opts.verbose: - versions = scrapy_components_versions() + versions = get_versions() width = max(len(n) for (n, _) in versions) for name, version in versions: print(f"{name:<{width}} : {version}") diff --git a/scrapy/settings/default_settings.py b/scrapy/settings/default_settings.py index 89ab21fbe..0bbde118e 100644 --- a/scrapy/settings/default_settings.py +++ b/scrapy/settings/default_settings.py @@ -219,6 +219,18 @@ LOG_LEVEL = "DEBUG" LOG_FILE = None LOG_FILE_APPEND = True LOG_SHORT_NAMES = False +LOG_VERSIONS = [ + "lxml", + "libxml2", + "cssselect", + "parsel", + "w3lib", + "Twisted", + "Python", + "pyOpenSSL", + "cryptography", + "Platform", +] SCHEDULER_DEBUG = False diff --git a/scrapy/utils/log.py b/scrapy/utils/log.py index 6165d1f72..d51231b82 100644 --- a/scrapy/utils/log.py +++ b/scrapy/utils/log.py @@ -1,6 +1,7 @@ from __future__ import annotations import logging +import pprint import sys from collections.abc import MutableMapping from logging.config import dictConfig @@ -12,7 +13,7 @@ from twisted.python.failure import Failure import scrapy from scrapy.settings import Settings, _SettingsKeyT -from scrapy.utils.versions import scrapy_components_versions +from scrapy.utils.versions import get_versions if TYPE_CHECKING: @@ -174,12 +175,11 @@ def log_scrapy_info(settings: Settings) -> None: "Scrapy %(version)s started (bot: %(bot)s)", {"version": scrapy.__version__, "bot": settings["BOT_NAME"]}, ) - versions = [ - f"{name} {version}" - for name, version in scrapy_components_versions() - if name != "Scrapy" - ] - logger.info("Versions: %(versions)s", {"versions": ", ".join(versions)}) + software = settings.getlist("LOG_VERSIONS") + if not software: + return + versions = pprint.pformat(dict(get_versions(software)), sort_dicts=False) + logger.info(f"Versions:\n{versions}") def log_reactor_info() -> None: diff --git a/scrapy/utils/versions.py b/scrapy/utils/versions.py index 996a5cdb3..ff1f9b346 100644 --- a/scrapy/utils/versions.py +++ b/scrapy/utils/versions.py @@ -1,31 +1,46 @@ +from __future__ import annotations + import platform import sys +from importlib.metadata import version +from warnings import warn -import cryptography -import cssselect import lxml.etree -import parsel -import twisted -import w3lib -import scrapy +from scrapy.exceptions import ScrapyDeprecationWarning +from scrapy.settings.default_settings import LOG_VERSIONS from scrapy.utils.ssl import get_openssl_version +_DEFAULT_SOFTWARE = ["Scrapy"] + LOG_VERSIONS + + +def _version(item): + lowercase_item = item.lower() + if lowercase_item == "libxml2": + return ".".join(map(str, lxml.etree.LIBXML_VERSION)) + if lowercase_item == "platform": + return platform.platform() + if lowercase_item == "pyopenssl": + return get_openssl_version() + if lowercase_item == "python": + return sys.version.replace("\n", "- ") + return version(item) + + +def get_versions( + software: list | None = None, +) -> list[tuple[str, str]]: + software = software or _DEFAULT_SOFTWARE + return [(item, _version(item)) for item in software] + def scrapy_components_versions() -> list[tuple[str, str]]: - lxml_version = ".".join(map(str, lxml.etree.LXML_VERSION)) - libxml2_version = ".".join(map(str, lxml.etree.LIBXML_VERSION)) - - return [ - ("Scrapy", scrapy.__version__), - ("lxml", lxml_version), - ("libxml2", libxml2_version), - ("cssselect", cssselect.__version__), - ("parsel", parsel.__version__), - ("w3lib", w3lib.__version__), - ("Twisted", twisted.version.short()), - ("Python", sys.version.replace("\n", "- ")), - ("pyOpenSSL", get_openssl_version()), - ("cryptography", cryptography.__version__), - ("Platform", platform.platform()), - ] + warn( + ( + "scrapy.utils.versions.scrapy_components_versions() is deprecated, " + "use scrapy.utils.versions.get_versions() instead." + ), + ScrapyDeprecationWarning, + stacklevel=2, + ) + return get_versions() diff --git a/tests/test_crawler.py b/tests/test_crawler.py index a77531f62..f3e5ebf5d 100644 --- a/tests/test_crawler.py +++ b/tests/test_crawler.py @@ -1,6 +1,7 @@ import logging import os import platform +import re import signal import subprocess import sys @@ -923,3 +924,28 @@ class CrawlerRunnerSubprocess(ScriptRunnerMixin, unittest.TestCase): log, ) self.assertIn("DEBUG: Using asyncio event loop", log) + + +@mark.parametrize( + ["settings", "items"], + ( + ({}, default_settings.LOG_VERSIONS), + ({"LOG_VERSIONS": ["itemadapter"]}, ["itemadapter"]), + ({"LOG_VERSIONS": []}, None), + ), +) +def test_log_scrapy_info(settings, items, caplog): + with caplog.at_level("INFO"): + CrawlerProcess(settings) + assert ( + caplog.records[0].getMessage() + == f"Scrapy {scrapy.__version__} started (bot: scrapybot)" + ), repr(caplog.records[0].msg) + if not items: + assert len(caplog.records) == 1 + return + version_string = caplog.records[1].getMessage() + expected_items_pattern = "',\n '".join( + f"{item}': '[^']+('\n +'[^']+)*" for item in items + ) + assert re.search(r"^Versions:\n{'" + expected_items_pattern + "'}$", version_string) From a195af304d2823cc686fd7354790e52239208d82 Mon Sep 17 00:00:00 2001 From: Laerte Pereira <5853172+Laerte@users.noreply.github.com> Date: Wed, 18 Dec 2024 03:50:44 -0300 Subject: [PATCH 344/786] Deprecate w3lib objects importable from scrapy.utils.url (#6586) --- scrapy/utils/url.py | 50 ++++++++++++++++++++--------------------- tests/test_utils_url.py | 25 +++++++++++++++++++++ 2 files changed, 50 insertions(+), 25 deletions(-) diff --git a/scrapy/utils/url.py b/scrapy/utils/url.py index 1cbfbfd99..3bf831c26 100644 --- a/scrapy/utils/url.py +++ b/scrapy/utils/url.py @@ -1,36 +1,47 @@ """ This module contains general purpose URL functions not found in the standard library. - -Some of the functions that used to be imported from this module have been moved -to the w3lib.url module. Always import those from there instead. """ from __future__ import annotations import re -from typing import TYPE_CHECKING, Union, cast +import warnings +from importlib import import_module +from typing import TYPE_CHECKING, Union from urllib.parse import ParseResult, urldefrag, urlparse, urlunparse -# scrapy.utils.url was moved to w3lib.url and import * ensures this -# move doesn't break old code -from w3lib.url import * # pylint: disable=unused-wildcard-import,wildcard-import -from w3lib.url import _safe_chars, _unquotepath # noqa: F401 +from w3lib.url import __all__ as _public_w3lib_objects +from w3lib.url import add_or_replace_parameter as _add_or_replace_parameter +from w3lib.url import any_to_uri as _any_to_uri +from w3lib.url import parse_url as _parse_url + +from scrapy.exceptions import ScrapyDeprecationWarning + + +def __getattr__(name: str): + if name in ("_unquotepath", "_safe_chars", "parse_url", *_public_w3lib_objects): + obj_type = "attribute" if name == "_safe_chars" else "function" + warnings.warn( + f"The scrapy.utils.url.{name} {obj_type} is deprecated, use w3lib.url.{name} instead.", + ScrapyDeprecationWarning, + ) + return getattr(import_module("w3lib.url"), name) + + raise AttributeError -from scrapy.utils.python import to_unicode if TYPE_CHECKING: from collections.abc import Iterable from scrapy import Spider - UrlT = Union[str, bytes, ParseResult] def url_is_from_any_domain(url: UrlT, domains: Iterable[str]) -> bool: """Return True if the url belongs to any of the given domains""" - host = parse_url(url).netloc.lower() + host = _parse_url(url).netloc.lower() if not host: return False domains = [d.lower() for d in domains] @@ -46,21 +57,10 @@ def url_is_from_spider(url: UrlT, spider: type[Spider]) -> bool: def url_has_any_extension(url: UrlT, extensions: Iterable[str]) -> bool: """Return True if the url ends with one of the extensions provided""" - lowercase_path = parse_url(url).path.lower() + lowercase_path = _parse_url(url).path.lower() return any(lowercase_path.endswith(ext) for ext in extensions) -def parse_url( # pylint: disable=function-redefined - url: UrlT, encoding: str | None = None -) -> ParseResult: - """Return urlparsed url from the given argument (which could be an already - parsed url) - """ - if isinstance(url, ParseResult): - return url - return cast(ParseResult, urlparse(to_unicode(url, encoding))) - - def escape_ajax(url: str) -> str: """ Return the crawlable url @@ -86,7 +86,7 @@ def escape_ajax(url: str) -> str: defrag, frag = urldefrag(url) if not frag.startswith("!"): return url - return add_or_replace_parameter(defrag, "_escaped_fragment_", frag[1:]) + return _add_or_replace_parameter(defrag, "_escaped_fragment_", frag[1:]) def add_http_if_no_scheme(url: str) -> str: @@ -146,7 +146,7 @@ def guess_scheme(url: str) -> str: """Add an URL scheme if missing: file:// for filepath-like input or http:// otherwise.""" if _is_filesystem_path(url): - return any_to_uri(url) + return _any_to_uri(url) return add_http_if_no_scheme(url) diff --git a/tests/test_utils_url.py b/tests/test_utils_url.py index a15ad749d..62e2b5c1e 100644 --- a/tests/test_utils_url.py +++ b/tests/test_utils_url.py @@ -1,10 +1,14 @@ import unittest +import warnings + +import pytest from scrapy.linkextractors import IGNORED_EXTENSIONS from scrapy.spiders import Spider from scrapy.utils.misc import arg_to_iter from scrapy.utils.url import ( _is_filesystem_path, + _public_w3lib_objects, add_http_if_no_scheme, guess_scheme, strip_url, @@ -607,5 +611,26 @@ class IsPathTestCase(unittest.TestCase): ) +@pytest.mark.parametrize( + "obj_name", + [ + "_unquotepath", + "_safe_chars", + "parse_url", + *_public_w3lib_objects, + ], +) +def test_deprecated_imports_from_w3lib(obj_name): + with warnings.catch_warnings(record=True) as warns: + obj_type = "attribute" if obj_name == "_safe_chars" else "function" + message = f"The scrapy.utils.url.{obj_name} {obj_type} is deprecated, use w3lib.url.{obj_name} instead." + + from importlib import import_module + + getattr(import_module("scrapy.utils.url"), obj_name) + + assert message in warns[0].message.args + + if __name__ == "__main__": unittest.main() From c5ed0fd45cfcee15cf59eb92f40c12ca29ecc890 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= <adrian@chaves.io> Date: Wed, 18 Dec 2024 17:05:51 +0100 Subject: [PATCH 345/786] Add ADDONS to the settings template for new projects --- scrapy/templates/project/module/settings.py.tmpl | 2 ++ 1 file changed, 2 insertions(+) diff --git a/scrapy/templates/project/module/settings.py.tmpl b/scrapy/templates/project/module/settings.py.tmpl index b4779e555..0bb31ffaa 100644 --- a/scrapy/templates/project/module/settings.py.tmpl +++ b/scrapy/templates/project/module/settings.py.tmpl @@ -12,6 +12,8 @@ BOT_NAME = "$project_name" SPIDER_MODULES = ["$project_name.spiders"] NEWSPIDER_MODULE = "$project_name.spiders" +ADDONS = {} + # Crawl responsibly by identifying yourself (and your website) on the user-agent #USER_AGENT = "$project_name (+http://www.yourdomain.com)" From cc484efd43b0f8ba0dc89904a7d38086775c44ae Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Sun, 29 Dec 2024 14:15:16 +0500 Subject: [PATCH 346/786] Replace isort with the ruff isort rules. --- .pre-commit-config.yaml | 4 ---- pyproject.toml | 5 ++--- scrapy/core/downloader/handlers/http11.py | 9 +++++++-- scrapy/http/cookies.py | 3 +-- tests/CrawlerRunner/ip_address.py | 3 +-- 5 files changed, 11 insertions(+), 13 deletions(-) diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml index 39b9a33aa..d253f61c6 100644 --- a/.pre-commit-config.yaml +++ b/.pre-commit-config.yaml @@ -8,10 +8,6 @@ repos: rev: 24.4.2 hooks: - id: black -- repo: https://github.com/pycqa/isort - rev: 5.13.2 - hooks: - - id: isort - repo: https://github.com/adamchainz/blacken-docs rev: 1.18.0 hooks: diff --git a/pyproject.toml b/pyproject.toml index 7dc1f6ec3..a2dabcf4b 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -116,9 +116,6 @@ disable_warnings = ["include-ignored"] # https://github.com/nedbat/coveragepy/issues/831#issuecomment-517778185 exclude_lines = ["pragma: no cover", "if TYPE_CHECKING:"] -[tool.isort] -profile = "black" - [tool.pylint.MASTER] persistent = "no" jobs = 1 # >1 hides results @@ -226,6 +223,8 @@ extend-select = [ "FA", # refurb "FURB", + # isort + "I", # flake8-implicit-str-concat "ISC", # flake8-logging diff --git a/scrapy/core/downloader/handlers/http11.py b/scrapy/core/downloader/handlers/http11.py index bd3200e9f..9f65794fe 100644 --- a/scrapy/core/downloader/handlers/http11.py +++ b/scrapy/core/downloader/handlers/http11.py @@ -17,9 +17,14 @@ from twisted.internet.endpoints import TCP4ClientEndpoint from twisted.internet.error import TimeoutError from twisted.internet.protocol import Factory, Protocol, connectionDone from twisted.python.failure import Failure -from twisted.web.client import URI, Agent, HTTPConnectionPool +from twisted.web.client import ( + URI, + Agent, + HTTPConnectionPool, + ResponseDone, + ResponseFailed, +) from twisted.web.client import Response as TxResponse -from twisted.web.client import ResponseDone, ResponseFailed from twisted.web.http import PotentialDataLoss, _DataLoss from twisted.web.http_headers import Headers as TxHeaders from twisted.web.iweb import UNKNOWN_LENGTH, IBodyProducer, IPolicyForHTTPS diff --git a/scrapy/http/cookies.py b/scrapy/http/cookies.py index 56941ad51..60322fe6e 100644 --- a/scrapy/http/cookies.py +++ b/scrapy/http/cookies.py @@ -2,9 +2,8 @@ from __future__ import annotations import re import time -from http.cookiejar import Cookie +from http.cookiejar import Cookie, CookiePolicy, DefaultCookiePolicy from http.cookiejar import CookieJar as _CookieJar -from http.cookiejar import CookiePolicy, DefaultCookiePolicy from typing import TYPE_CHECKING, Any, cast from scrapy.utils.httpobj import urlparse_cached diff --git a/tests/CrawlerRunner/ip_address.py b/tests/CrawlerRunner/ip_address.py index 5bf7512bc..2f1bb7713 100644 --- a/tests/CrawlerRunner/ip_address.py +++ b/tests/CrawlerRunner/ip_address.py @@ -1,9 +1,8 @@ from urllib.parse import urlparse from twisted.internet import reactor -from twisted.names import cache +from twisted.names import cache, resolve from twisted.names import hosts as hostsModule -from twisted.names import resolve from twisted.names.client import Resolver from twisted.python.runtime import platform From 4a0c05749c72662bb82cdb01d9a0ef1ff6416b6a Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Sun, 29 Dec 2024 14:29:27 +0500 Subject: [PATCH 347/786] Bump tool versions. --- .github/workflows/checks.yml | 2 +- .pre-commit-config.yaml | 8 ++++---- .readthedocs.yml | 2 +- pyproject.toml | 1 + tox.ini | 6 +++--- 5 files changed, 10 insertions(+), 9 deletions(-) diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml index ff279e9fd..a064bf5b2 100644 --- a/.github/workflows/checks.yml +++ b/.github/workflows/checks.yml @@ -21,7 +21,7 @@ jobs: - python-version: "3.9" env: TOXENV: typing-tests - - python-version: "3.12" # Keep in sync with .readthedocs.yml + - python-version: "3.13" # Keep in sync with .readthedocs.yml env: TOXENV: docs - python-version: "3.13" diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml index d253f61c6..c76c613d9 100644 --- a/.pre-commit-config.yaml +++ b/.pre-commit-config.yaml @@ -1,16 +1,16 @@ repos: - repo: https://github.com/astral-sh/ruff-pre-commit - rev: v0.8.1 + rev: v0.8.4 hooks: - id: ruff args: [ --fix ] - repo: https://github.com/psf/black.git - rev: 24.4.2 + rev: 24.10.0 hooks: - id: black - repo: https://github.com/adamchainz/blacken-docs - rev: 1.18.0 + rev: 1.19.1 hooks: - id: blacken-docs additional_dependencies: - - black==24.4.2 + - black==24.10.0 diff --git a/.readthedocs.yml b/.readthedocs.yml index 0c544df7e..5ec6eafbb 100644 --- a/.readthedocs.yml +++ b/.readthedocs.yml @@ -9,7 +9,7 @@ build: tools: # For available versions, see: # https://docs.readthedocs.io/en/stable/config-file/v2.html#build-tools-python - python: "3.12" # Keep in sync with .github/workflows/checks.yml + python: "3.13" # Keep in sync with .github/workflows/checks.yml python: install: diff --git a/pyproject.toml b/pyproject.toml index a2dabcf4b..ad85e5c75 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -170,6 +170,7 @@ disable = [ "too-many-instance-attributes", "too-many-lines", "too-many-locals", + "too-many-positional-arguments", "too-many-public-methods", "too-many-return-statements", "unbalanced-tuple-unpacking", diff --git a/tox.ini b/tox.ini index 4e1a99473..24b674085 100644 --- a/tox.ini +++ b/tox.ini @@ -77,15 +77,15 @@ commands = basepython = python3 deps = {[testenv:extra-deps]deps} - pylint==3.2.5 + pylint==3.3.3 commands = pylint conftest.py docs extras scrapy tests [testenv:twinecheck] basepython = python3 deps = - twine==5.1.1 - build==1.2.1 + twine==6.0.1 + build==1.2.2.post1 commands = python -m build --sdist twine check dist/* From f7af7b282d6d3b36689cc192e6f78c065e32fb89 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Sun, 29 Dec 2024 16:45:26 +0500 Subject: [PATCH 348/786] Bump mypy and stubs. --- scrapy/downloadermiddlewares/cookies.py | 13 +++++++------ scrapy/extensions/telnet.py | 2 +- scrapy/http/request/__init__.py | 8 ++++---- scrapy/utils/sitemap.py | 4 +++- tox.ini | 8 ++++---- 5 files changed, 19 insertions(+), 16 deletions(-) diff --git a/scrapy/downloadermiddlewares/cookies.py b/scrapy/downloadermiddlewares/cookies.py index 545dcaac9..43348f632 100644 --- a/scrapy/downloadermiddlewares/cookies.py +++ b/scrapy/downloadermiddlewares/cookies.py @@ -131,25 +131,26 @@ class CookiesMiddleware: decoded = {} flags = set() for key in ("name", "value", "path", "domain"): - if cookie.get(key) is None: + value = cookie.get(key) + if value is None: if key in ("name", "value"): msg = f"Invalid cookie found in request {request}: {cookie} ('{key}' is missing)" logger.warning(msg) return None continue - # https://github.com/python/mypy/issues/7178, https://github.com/python/mypy/issues/9168 - if isinstance(cookie[key], (bool, float, int, str)): # type: ignore[literal-required] - decoded[key] = str(cookie[key]) # type: ignore[literal-required] + if isinstance(value, (bool, float, int, str)): + decoded[key] = str(value) else: + assert isinstance(value, bytes) try: - decoded[key] = cookie[key].decode("utf8") # type: ignore[literal-required] + decoded[key] = value.decode("utf8") except UnicodeDecodeError: logger.warning( "Non UTF-8 encoded cookie found in request %s: %s", request, cookie, ) - decoded[key] = cookie[key].decode("latin1", errors="replace") # type: ignore[literal-required] + decoded[key] = value.decode("latin1", errors="replace") for flag in ("secure",): value = cookie.get(flag, _UNSET) if value is _UNSET or not value: diff --git a/scrapy/extensions/telnet.py b/scrapy/extensions/telnet.py index 89c83d20d..ee28d86ba 100644 --- a/scrapy/extensions/telnet.py +++ b/scrapy/extensions/telnet.py @@ -75,7 +75,7 @@ class TelnetConsole(protocol.ServerFactory): def stop_listening(self) -> None: self.port.stopListening() - def protocol(self) -> telnet.TelnetTransport: # type: ignore[override] + def protocol(self) -> telnet.TelnetTransport: # these import twisted.internet.reactor from twisted.conch import manhole, telnet from twisted.conch.insults import insults diff --git a/scrapy/http/request/__init__.py b/scrapy/http/request/__init__.py index a96a215f4..3d6cf4816 100644 --- a/scrapy/http/request/__init__.py +++ b/scrapy/http/request/__init__.py @@ -44,10 +44,10 @@ if TYPE_CHECKING: class VerboseCookie(TypedDict): - name: str - value: str - domain: NotRequired[str] - path: NotRequired[str] + name: str | bytes + value: str | bytes | bool | float | int + domain: NotRequired[str | bytes] + path: NotRequired[str | bytes] secure: NotRequired[bool] diff --git a/scrapy/utils/sitemap.py b/scrapy/utils/sitemap.py index b60fe929e..e0d9f4595 100644 --- a/scrapy/utils/sitemap.py +++ b/scrapy/utils/sitemap.py @@ -26,13 +26,15 @@ class Sitemap: ) self._root = lxml.etree.fromstring(xmltext, parser=xmlp) # noqa: S320 rt = self._root.tag - self.type = self._root.tag.split("}", 1)[1] if "}" in rt else rt + assert isinstance(rt, str) + self.type = rt.split("}", 1)[1] if "}" in rt else rt def __iter__(self) -> Iterator[dict[str, Any]]: for elem in self._root.getchildren(): d: dict[str, Any] = {} for el in elem.getchildren(): tag = el.tag + assert isinstance(tag, str) name = tag.split("}", 1)[1] if "}" in tag else tag if name == "link": diff --git a/tox.ini b/tox.ini index 24b674085..39ab1ccd4 100644 --- a/tox.ini +++ b/tox.ini @@ -43,12 +43,12 @@ install_command = [testenv:typing] basepython = python3 deps = - mypy==1.12.0 + mypy==1.14.0 typing-extensions==4.12.2 - types-lxml==2024.9.16 + types-lxml==2024.12.13 types-Pygments==2.18.0.20240506 - botocore-stubs==1.35.39 - boto3-stubs[s3]==1.35.39 + botocore-stubs==1.35.90 + boto3-stubs[s3]==1.35.90 attrs >= 18.2.0 Pillow >= 10.3.0 pyOpenSSL >= 24.2.1 From 838ff99f37d88214829018c6a7dd2a84fdb418b4 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Wed, 1 Jan 2025 21:31:04 +0500 Subject: [PATCH 349/786] Enable RUF Ruff rules. --- pyproject.toml | 10 ++++++++++ scrapy/__init__.py | 12 ++++++------ scrapy/commands/crawl.py | 5 ++--- scrapy/commands/parse.py | 2 +- scrapy/commands/runspider.py | 2 +- scrapy/downloadermiddlewares/redirect.py | 12 +++++++----- scrapy/exporters.py | 8 ++++---- scrapy/extensions/debug.py | 2 +- scrapy/http/request/json_request.py | 2 +- scrapy/http/response/text.py | 2 +- scrapy/link.py | 2 +- scrapy/logformatter.py | 4 ++-- scrapy/pipelines/media.py | 3 +-- scrapy/spidermiddlewares/referer.py | 8 +++----- scrapy/utils/misc.py | 4 +++- scrapy/utils/reactor.py | 2 +- scrapy/utils/request.py | 3 ++- scrapy/utils/testproc.py | 2 +- scrapy/utils/url.py | 2 +- scrapy/utils/versions.py | 2 +- tests/test_cmdline/__init__.py | 2 +- tests/test_commands.py | 4 ++-- tests/test_crawler.py | 2 +- tests/test_downloadermiddleware_retry.py | 2 +- tests/test_downloaderslotssettings.py | 2 +- tests/test_exporters.py | 2 +- tests/test_http_response.py | 2 +- tests/test_utils_trackref.py | 8 ++++---- 28 files changed, 62 insertions(+), 51 deletions(-) diff --git a/pyproject.toml b/pyproject.toml index ad85e5c75..065382205 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -246,6 +246,8 @@ extend-select = [ "RET", # flake8-raise "RSE", + # Ruff-specific rules + "RUF", # flake8-bandit "S", # flake8-slots @@ -324,6 +326,14 @@ ignore = [ "PLR2004", # `for` loop variable overwritten by assignment target "PLW2901", + # String contains ambiguous {}. + "RUF001", + # Docstring contains ambiguous {}. + "RUF002", + # Comment contains ambiguous {}. + "RUF003", + # Mutable class attributes should be annotated with `typing.ClassVar` + "RUF012", # Use of `assert` detected; needed for mypy "S101", # FTP-related functions are being called; https://github.com/scrapy/scrapy/issues/4180 diff --git a/scrapy/__init__.py b/scrapy/__init__.py index c19710a6a..256504c9c 100644 --- a/scrapy/__init__.py +++ b/scrapy/__init__.py @@ -13,14 +13,14 @@ from scrapy.selector import Selector from scrapy.spiders import Spider __all__ = [ + "Field", + "FormRequest", + "Item", + "Request", + "Selector", + "Spider", "__version__", "version_info", - "Spider", - "Request", - "FormRequest", - "Selector", - "Item", - "Field", ] diff --git a/scrapy/commands/crawl.py b/scrapy/commands/crawl.py index 86d4cc41c..184bd5ca4 100644 --- a/scrapy/commands/crawl.py +++ b/scrapy/commands/crawl.py @@ -39,9 +39,8 @@ class Command(BaseRunSpiderCommand): else: self.crawler_process.start() - if ( - self.crawler_process.bootstrap_failed - or hasattr(self.crawler_process, "has_exception") + if self.crawler_process.bootstrap_failed or ( + hasattr(self.crawler_process, "has_exception") and self.crawler_process.has_exception ): self.exitcode = 1 diff --git a/scrapy/commands/parse.py b/scrapy/commands/parse.py index cc5c1350b..f996d1806 100644 --- a/scrapy/commands/parse.py +++ b/scrapy/commands/parse.py @@ -269,7 +269,7 @@ class Command(BaseRunSpiderCommand): assert self.crawler_process assert self.spidercls self.crawler_process.crawl(self.spidercls, **opts.spargs) - self.pcrawler = list(self.crawler_process.crawlers)[0] + self.pcrawler = next(iter(self.crawler_process.crawlers)) self.crawler_process.start() if not self.first_response: diff --git a/scrapy/commands/runspider.py b/scrapy/commands/runspider.py index bf8e41020..357ca8b37 100644 --- a/scrapy/commands/runspider.py +++ b/scrapy/commands/runspider.py @@ -20,7 +20,7 @@ def _import_file(filepath: str | PathLike[str]) -> ModuleType: if abspath.suffix not in (".py", ".pyw"): raise ValueError(f"Not a Python source file: {abspath}") dirname = str(abspath.parent) - sys.path = [dirname] + sys.path + sys.path = [dirname, *sys.path] try: module = import_module(abspath.stem) finally: diff --git a/scrapy/downloadermiddlewares/redirect.py b/scrapy/downloadermiddlewares/redirect.py index 0b883b43a..612426371 100644 --- a/scrapy/downloadermiddlewares/redirect.py +++ b/scrapy/downloadermiddlewares/redirect.py @@ -101,12 +101,14 @@ class BaseRedirectMiddleware: if ttl and redirects <= self.max_redirect_times: redirected.meta["redirect_times"] = redirects redirected.meta["redirect_ttl"] = ttl - 1 - redirected.meta["redirect_urls"] = request.meta.get("redirect_urls", []) + [ - request.url + redirected.meta["redirect_urls"] = [ + *request.meta.get("redirect_urls", []), + request.url, + ] + redirected.meta["redirect_reasons"] = [ + *request.meta.get("redirect_reasons", []), + reason, ] - redirected.meta["redirect_reasons"] = request.meta.get( - "redirect_reasons", [] - ) + [reason] redirected.dont_filter = request.dont_filter redirected.priority = request.priority + self.priority_adjust logger.debug( diff --git a/scrapy/exporters.py b/scrapy/exporters.py index cdb7ac159..834a05ae9 100644 --- a/scrapy/exporters.py +++ b/scrapy/exporters.py @@ -25,13 +25,13 @@ if TYPE_CHECKING: __all__ = [ "BaseItemExporter", - "PprintItemExporter", - "PickleItemExporter", "CsvItemExporter", - "XmlItemExporter", - "JsonLinesItemExporter", "JsonItemExporter", + "JsonLinesItemExporter", "MarshalItemExporter", + "PickleItemExporter", + "PprintItemExporter", + "XmlItemExporter", ] diff --git a/scrapy/extensions/debug.py b/scrapy/extensions/debug.py index 6948c394c..5ca07394f 100644 --- a/scrapy/extensions/debug.py +++ b/scrapy/extensions/debug.py @@ -77,4 +77,4 @@ class Debugger: def _enter_debugger(self, signum: int, frame: FrameType | None) -> None: assert frame - Pdb().set_trace(frame.f_back) # noqa: T100 + Pdb().set_trace(frame.f_back) diff --git a/scrapy/http/request/json_request.py b/scrapy/http/request/json_request.py index 289c60591..e5b63ef14 100644 --- a/scrapy/http/request/json_request.py +++ b/scrapy/http/request/json_request.py @@ -20,7 +20,7 @@ if TYPE_CHECKING: class JsonRequest(Request): - attributes: tuple[str, ...] = Request.attributes + ("dumps_kwargs",) + attributes: tuple[str, ...] = (*Request.attributes, "dumps_kwargs") def __init__( self, *args: Any, dumps_kwargs: dict[str, Any] | None = None, **kwargs: Any diff --git a/scrapy/http/response/text.py b/scrapy/http/response/text.py index f954b5e9e..476f1754e 100644 --- a/scrapy/http/response/text.py +++ b/scrapy/http/response/text.py @@ -43,7 +43,7 @@ class TextResponse(Response): _DEFAULT_ENCODING = "ascii" _cached_decoded_json = _NONE - attributes: tuple[str, ...] = Response.attributes + ("encoding",) + attributes: tuple[str, ...] = (*Response.attributes, "encoding") def __init__(self, *args: Any, **kwargs: Any): self._encoding: str | None = kwargs.pop("encoding", None) diff --git a/scrapy/link.py b/scrapy/link.py index 1a569f892..9c272ab2f 100644 --- a/scrapy/link.py +++ b/scrapy/link.py @@ -24,7 +24,7 @@ class Link: of the anchor tag. """ - __slots__ = ["url", "text", "fragment", "nofollow"] + __slots__ = ["fragment", "nofollow", "text", "url"] def __init__( self, url: str, text: str = "", fragment: str = "", nofollow: bool = False diff --git a/scrapy/logformatter.py b/scrapy/logformatter.py index 544f4adfe..76f9c7856 100644 --- a/scrapy/logformatter.py +++ b/scrapy/logformatter.py @@ -76,8 +76,8 @@ class LogFormatter: self, request: Request, response: Response, spider: Spider ) -> LogFormatterResult: """Logs a message when the crawler finds a webpage.""" - request_flags = f" {str(request.flags)}" if request.flags else "" - response_flags = f" {str(response.flags)}" if response.flags else "" + request_flags = f" {request.flags!s}" if request.flags else "" + response_flags = f" {response.flags!s}" if response.flags else "" return { "level": logging.DEBUG, "msg": CRAWLEDMSG, diff --git a/scrapy/pipelines/media.py b/scrapy/pipelines/media.py index 5438b8522..0f3329db1 100644 --- a/scrapy/pipelines/media.py +++ b/scrapy/pipelines/media.py @@ -127,8 +127,7 @@ class MediaPipeline(ABC): if ( not base_class_name or class_name == base_class_name - or settings - and not settings.get(formatted_key) + or (settings and not settings.get(formatted_key)) ): return key return formatted_key diff --git a/scrapy/spidermiddlewares/referer.py b/scrapy/spidermiddlewares/referer.py index 93b7fcf17..18cc991bf 100644 --- a/scrapy/spidermiddlewares/referer.py +++ b/scrapy/spidermiddlewares/referer.py @@ -195,8 +195,7 @@ class StrictOriginPolicy(ReferrerPolicy): if ( self.tls_protected(response_url) and self.potentially_trustworthy(request_url) - or not self.tls_protected(response_url) - ): + ) or not self.tls_protected(response_url): return self.origin_referrer(response_url) return None @@ -249,8 +248,7 @@ class StrictOriginWhenCrossOriginPolicy(ReferrerPolicy): if ( self.tls_protected(response_url) and self.potentially_trustworthy(request_url) - or not self.tls_protected(response_url) - ): + ) or not self.tls_protected(response_url): return self.origin_referrer(response_url) return None @@ -282,7 +280,7 @@ class DefaultReferrerPolicy(NoReferrerWhenDowngradePolicy): using ``file://`` or ``s3://`` scheme. """ - NOREFERRER_SCHEMES: tuple[str, ...] = LOCAL_SCHEMES + ("file", "s3") + NOREFERRER_SCHEMES: tuple[str, ...] = (*LOCAL_SCHEMES, "file", "s3") name: str = POLICY_SCRAPY_DEFAULT diff --git a/scrapy/utils/misc.py b/scrapy/utils/misc.py index 5ce4863f6..d319e7950 100644 --- a/scrapy/utils/misc.py +++ b/scrapy/utils/misc.py @@ -252,7 +252,9 @@ def is_generator_with_return_value(callable: Callable[..., Any]) -> bool: def returns_none(return_node: ast.Return) -> bool: value = return_node.value - return value is None or isinstance(value, ast.Constant) and value.value is None + return value is None or ( + isinstance(value, ast.Constant) and value.value is None + ) if inspect.isgeneratorfunction(callable): func = callable diff --git a/scrapy/utils/reactor.py b/scrapy/utils/reactor.py index 66a06a9f0..679e38206 100644 --- a/scrapy/utils/reactor.py +++ b/scrapy/utils/reactor.py @@ -100,7 +100,7 @@ def install_reactor(reactor_path: str, event_loop_path: str | None = None) -> No asyncioreactor.install(eventloop=event_loop) else: *module, _ = reactor_path.split(".") - installer_path = module + ["install"] + installer_path = [*module, "install"] installer = load_object(".".join(installer_path)) with suppress(error.ReactorAlreadyInstalledError): installer() diff --git a/scrapy/utils/request.py b/scrapy/utils/request.py index ad811e804..7f2b178f5 100644 --- a/scrapy/utils/request.py +++ b/scrapy/utils/request.py @@ -229,7 +229,8 @@ def request_to_curl(request: Request) -> str: cookies = f"--cookie '{cookie}'" elif isinstance(request.cookies, list): cookie = "; ".join( - f"{list(c.keys())[0]}={list(c.values())[0]}" for c in request.cookies + f"{next(iter(c.keys()))}={next(iter(c.values()))}" + for c in request.cookies ) cookies = f"--cookie '{cookie}'" diff --git a/scrapy/utils/testproc.py b/scrapy/utils/testproc.py index 05e04e2d1..3b1035eab 100644 --- a/scrapy/utils/testproc.py +++ b/scrapy/utils/testproc.py @@ -31,7 +31,7 @@ class ProcessTest: if settings is not None: env["SCRAPY_SETTINGS_MODULE"] = settings assert self.command - cmd = self.prefix + [self.command] + list(args) + cmd = [*self.prefix, self.command, *args] pp = TestProcessProtocol() pp.deferred.addCallback(self._process_finished, cmd, check_code) reactor.spawnProcess(pp, cmd[0], cmd, env=env, path=self.cwd) diff --git a/scrapy/utils/url.py b/scrapy/utils/url.py index 3bf831c26..d487849bb 100644 --- a/scrapy/utils/url.py +++ b/scrapy/utils/url.py @@ -51,7 +51,7 @@ def url_is_from_any_domain(url: UrlT, domains: Iterable[str]) -> bool: def url_is_from_spider(url: UrlT, spider: type[Spider]) -> bool: """Return True if the url belongs to the given spider""" return url_is_from_any_domain( - url, [spider.name] + list(getattr(spider, "allowed_domains", [])) + url, [spider.name, *getattr(spider, "allowed_domains", [])] ) diff --git a/scrapy/utils/versions.py b/scrapy/utils/versions.py index ff1f9b346..052321ae3 100644 --- a/scrapy/utils/versions.py +++ b/scrapy/utils/versions.py @@ -11,7 +11,7 @@ from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.settings.default_settings import LOG_VERSIONS from scrapy.utils.ssl import get_openssl_version -_DEFAULT_SOFTWARE = ["Scrapy"] + LOG_VERSIONS +_DEFAULT_SOFTWARE = ["Scrapy", *LOG_VERSIONS] def _version(item): diff --git a/tests/test_cmdline/__init__.py b/tests/test_cmdline/__init__.py index 4835e936b..acd524ea4 100644 --- a/tests/test_cmdline/__init__.py +++ b/tests/test_cmdline/__init__.py @@ -21,7 +21,7 @@ class CmdlineTest(unittest.TestCase): def _execute(self, *new_args, **kwargs): encoding = sys.stdout.encoding or "utf-8" - args = (sys.executable, "-m", "scrapy.cmdline") + new_args + args = (sys.executable, "-m", "scrapy.cmdline", *new_args) proc = Popen(args, stdout=PIPE, stderr=PIPE, env=self.env, **kwargs) comm = proc.communicate()[0].strip() return comm.decode(encoding) diff --git a/tests/test_commands.py b/tests/test_commands.py index 32b69de8a..9d5720b98 100644 --- a/tests/test_commands.py +++ b/tests/test_commands.py @@ -87,13 +87,13 @@ class ProjectTest(unittest.TestCase): def call(self, *new_args, **kwargs): with TemporaryFile() as out: - args = (sys.executable, "-m", "scrapy.cmdline") + new_args + args = (sys.executable, "-m", "scrapy.cmdline", *new_args) return subprocess.call( args, stdout=out, stderr=out, cwd=self.cwd, env=self.env, **kwargs ) def proc(self, *new_args, **popen_kwargs): - args = (sys.executable, "-m", "scrapy.cmdline") + new_args + args = (sys.executable, "-m", "scrapy.cmdline", *new_args) p = subprocess.Popen( args, cwd=popen_kwargs.pop("cwd", self.cwd), diff --git a/tests/test_crawler.py b/tests/test_crawler.py index f3e5ebf5d..8b3a6eeca 100644 --- a/tests/test_crawler.py +++ b/tests/test_crawler.py @@ -647,7 +647,7 @@ class ScriptRunnerMixin: def get_script_args(self, script_name: str, *script_args: str) -> list[str]: script_path = self.script_dir / script_name - return [sys.executable, str(script_path)] + list(script_args) + return [sys.executable, str(script_path), *script_args] def run_script(self, script_name: str, *script_args: str) -> str: args = self.get_script_args(script_name, *script_args) diff --git a/tests/test_downloadermiddleware_retry.py b/tests/test_downloadermiddleware_retry.py index c99f19b03..1eb7dcf9d 100644 --- a/tests/test_downloadermiddleware_retry.py +++ b/tests/test_downloadermiddleware_retry.py @@ -114,7 +114,7 @@ class RetryTest(unittest.TestCase): def test_exception_to_retry_added(self): exc = ValueError settings_dict = { - "RETRY_EXCEPTIONS": list(RETRY_EXCEPTIONS) + [exc], + "RETRY_EXCEPTIONS": [*RETRY_EXCEPTIONS, exc], } crawler = get_crawler(Spider, settings_dict=settings_dict) mw = RetryMiddleware.from_crawler(crawler) diff --git a/tests/test_downloaderslotssettings.py b/tests/test_downloaderslotssettings.py index 55f9ecac9..879bc8697 100644 --- a/tests/test_downloaderslotssettings.py +++ b/tests/test_downloaderslotssettings.py @@ -31,7 +31,7 @@ class DownloaderSlotsSettingsTestSpider(MetaSpider): def start_requests(self): self.times = {None: []} - slots = list(self.custom_settings.get("DOWNLOAD_SLOTS", {}).keys()) + [None] + slots = [*self.custom_settings.get("DOWNLOAD_SLOTS", {}), None] for slot in slots: url = self.mockserver.url(f"/?downloader_slot={slot}") diff --git a/tests/test_exporters.py b/tests/test_exporters.py index fa9389044..522c6638d 100644 --- a/tests/test_exporters.py +++ b/tests/test_exporters.py @@ -116,7 +116,7 @@ class BaseItemExporterTest(unittest.TestCase): ) ie = self._get_exporter(fields_to_export=["name"], encoding="latin-1") - _, name = list(ie._get_serialized_fields(self.i))[0] + _, name = next(iter(ie._get_serialized_fields(self.i))) assert isinstance(name, str) self.assertEqual(name, "John\xa3") diff --git a/tests/test_http_response.py b/tests/test_http_response.py index 679cc8238..0730cff3a 100644 --- a/tests/test_http_response.py +++ b/tests/test_http_response.py @@ -960,7 +960,7 @@ class XmlResponseTest(TextResponseTest): class CustomResponse(TextResponse): - attributes = TextResponse.attributes + ("foo", "bar") + attributes = (*TextResponse.attributes, "foo", "bar") def __init__(self, *args, **kwargs) -> None: self.foo = kwargs.pop("foo", None) diff --git a/tests/test_utils_trackref.py b/tests/test_utils_trackref.py index ef07d625f..58efad585 100644 --- a/tests/test_utils_trackref.py +++ b/tests/test_utils_trackref.py @@ -61,11 +61,11 @@ Foo 1 oldest: 0s ago\n\n""", ) def test_get_oldest(self): - o1 = Foo() # noqa: F841 + o1 = Foo() o1_time = time() - o2 = Bar() # noqa: F841 + o2 = Bar() o3_time = time() if o3_time <= o1_time: @@ -80,9 +80,9 @@ Foo 1 oldest: 0s ago\n\n""", self.assertIsNone(trackref.get_oldest("XXX")) def test_iter_all(self): - o1 = Foo() # noqa: F841 + o1 = Foo() o2 = Bar() # noqa: F841 - o3 = Foo() # noqa: F841 + o3 = Foo() self.assertEqual( set(trackref.iter_all("Foo")), {o1, o3}, From f44ca39fa23f07c857a34309d79db6394c5faefb Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Wed, 1 Jan 2025 21:50:02 +0500 Subject: [PATCH 350/786] Enable FLY Ruff rules. --- pyproject.toml | 2 ++ scrapy/pqueues.py | 2 +- tests/test_spidermiddleware_referer.py | 25 +++---------------------- 3 files changed, 6 insertions(+), 23 deletions(-) diff --git a/pyproject.toml b/pyproject.toml index 065382205..a0b37b966 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -222,6 +222,8 @@ extend-select = [ "D", # flake8-future-annotations "FA", + # flynt + "FLY", # refurb "FURB", # isort diff --git a/scrapy/pqueues.py b/scrapy/pqueues.py index 5b2f81335..a04e0107b 100644 --- a/scrapy/pqueues.py +++ b/scrapy/pqueues.py @@ -34,7 +34,7 @@ def _path_safe(text: str) -> str: # as we replace some letters we can get collision for different slots # add we add unique part unique_slot = hashlib.md5(text.encode("utf8")).hexdigest() # noqa: S324 - return "-".join([pathable_slot, unique_slot]) + return f"{pathable_slot}-{unique_slot}" class QueueProtocol(Protocol): diff --git a/tests/test_spidermiddleware_referer.py b/tests/test_spidermiddleware_referer.py index 23b0c17c6..cefd33e4e 100644 --- a/tests/test_spidermiddleware_referer.py +++ b/tests/test_spidermiddleware_referer.py @@ -891,14 +891,7 @@ class TestSettingsPolicyByName(TestCase): # test parsing without space(s) after the comma settings1 = Settings( { - "REFERRER_POLICY": ",".join( - [ - "some-custom-unknown-policy", - POLICY_SAME_ORIGIN, - POLICY_STRICT_ORIGIN_WHEN_CROSS_ORIGIN, - "another-custom-unknown-policy", - ] - ) + "REFERRER_POLICY": f"some-custom-unknown-policy,{POLICY_SAME_ORIGIN},{POLICY_STRICT_ORIGIN_WHEN_CROSS_ORIGIN},another-custom-unknown-policy" } ) mw1 = RefererMiddleware(settings1) @@ -907,13 +900,7 @@ class TestSettingsPolicyByName(TestCase): # test parsing with space(s) after the comma settings2 = Settings( { - "REFERRER_POLICY": ", ".join( - [ - POLICY_STRICT_ORIGIN_WHEN_CROSS_ORIGIN, - "another-custom-unknown-policy", - POLICY_UNSAFE_URL, - ] - ) + "REFERRER_POLICY": f"{POLICY_STRICT_ORIGIN_WHEN_CROSS_ORIGIN}, another-custom-unknown-policy, {POLICY_UNSAFE_URL}" } ) mw2 = RefererMiddleware(settings2) @@ -922,13 +909,7 @@ class TestSettingsPolicyByName(TestCase): def test_multiple_policy_tokens_all_invalid(self): settings = Settings( { - "REFERRER_POLICY": ",".join( - [ - "some-custom-unknown-policy", - "another-custom-unknown-policy", - "yet-another-custom-unknown-policy", - ] - ) + "REFERRER_POLICY": "some-custom-unknown-policy,another-custom-unknown-policy,yet-another-custom-unknown-policy" } ) with self.assertRaises(RuntimeError): From 273620488ced7dd1a3c8a1c5022d17f0cc7f9496 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Wed, 1 Jan 2025 22:03:42 +0500 Subject: [PATCH 351/786] Enable PTH Ruff rules. --- pyproject.toml | 2 ++ scrapy/commands/genspider.py | 2 +- scrapy/commands/startproject.py | 7 +++---- scrapy/core/downloader/handlers/ftp.py | 15 +++++++++------ scrapy/utils/testproc.py | 2 +- tests/test_crawler.py | 2 -- tests/test_downloader_handlers.py | 2 +- tests/test_utils_project.py | 2 +- 8 files changed, 18 insertions(+), 16 deletions(-) diff --git a/pyproject.toml b/pyproject.toml index a0b37b966..08b4b09b2 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -240,6 +240,8 @@ extend-select = [ "PIE", # pylint "PL", + # flake8-use-pathlib + "PTH", # flake8-pyi "PYI", # flake8-quotes diff --git a/scrapy/commands/genspider.py b/scrapy/commands/genspider.py index d7dc104c2..2a1dea997 100644 --- a/scrapy/commands/genspider.py +++ b/scrapy/commands/genspider.py @@ -154,7 +154,7 @@ class Command(ScrapyCommand): spiders_dir = Path(spiders_module.__file__).parent.resolve() else: spiders_module = None - spiders_dir = Path(".") + spiders_dir = Path() spider_file = f"{spiders_dir / module}.py" shutil.copyfile(template_file, spider_file) render_templatefile(spider_file, **tvars) diff --git a/scrapy/commands/startproject.py b/scrapy/commands/startproject.py index 5cb73f0d2..e0c004580 100644 --- a/scrapy/commands/startproject.py +++ b/scrapy/commands/startproject.py @@ -1,6 +1,5 @@ from __future__ import annotations -import os import re import string from importlib.util import find_spec @@ -28,9 +27,9 @@ TEMPLATES_TO_RENDER: tuple[tuple[str, ...], ...] = ( IGNORE = ignore_patterns("*.pyc", "__pycache__", ".svn") -def _make_writable(path: str | os.PathLike) -> None: - current_permissions = os.stat(path).st_mode - os.chmod(path, current_permissions | OWNER_WRITE_PERMISSION) +def _make_writable(path: Path) -> None: + current_permissions = path.stat().st_mode + path.chmod(current_permissions | OWNER_WRITE_PERMISSION) class Command(ScrapyCommand): diff --git a/scrapy/core/downloader/handlers/ftp.py b/scrapy/core/downloader/handlers/ftp.py index 598659b4d..0ad10baff 100644 --- a/scrapy/core/downloader/handlers/ftp.py +++ b/scrapy/core/downloader/handlers/ftp.py @@ -32,6 +32,7 @@ from __future__ import annotations import re from io import BytesIO +from pathlib import Path from typing import TYPE_CHECKING, Any, BinaryIO from urllib.parse import unquote @@ -56,9 +57,11 @@ if TYPE_CHECKING: class ReceivedDataProtocol(Protocol): - def __init__(self, filename: str | None = None): - self.__filename: str | None = filename - self.body: BinaryIO = open(filename, "wb") if filename else BytesIO() + def __init__(self, filename: bytes | None = None): + self.__filename: bytes | None = filename + self.body: BinaryIO = ( + Path(filename.decode()).open("wb") if filename else BytesIO() + ) self.size: int = 0 def dataReceived(self, data: bytes) -> None: @@ -66,7 +69,7 @@ class ReceivedDataProtocol(Protocol): self.size += len(data) @property - def filename(self) -> str | None: + def filename(self) -> bytes | None: return self.__filename def close(self) -> None: @@ -128,8 +131,8 @@ class FTPDownloadHandler: ) -> Response: self.result = result protocol.close() - headers = {"local filename": protocol.filename or "", "size": protocol.size} - body = to_bytes(protocol.filename or protocol.body.read()) + headers = {"local filename": protocol.filename or b"", "size": protocol.size} + body = protocol.filename or protocol.body.read() respcls = responsetypes.from_args(url=request.url, body=body) # hints for Headers-related types may need to be fixed to not use AnyStr return respcls(url=request.url, status=200, body=body, headers=headers) # type: ignore[arg-type] diff --git a/scrapy/utils/testproc.py b/scrapy/utils/testproc.py index 3b1035eab..85d7c940f 100644 --- a/scrapy/utils/testproc.py +++ b/scrapy/utils/testproc.py @@ -17,7 +17,7 @@ if TYPE_CHECKING: class ProcessTest: command: str | None = None prefix = [sys.executable, "-m", "scrapy.cmdline"] - cwd = os.getcwd() # trial chdirs to temp dir + cwd = os.getcwd() # trial chdirs to temp dir # noqa: PTH109 def execute( self, diff --git a/tests/test_crawler.py b/tests/test_crawler.py index 8b3a6eeca..6c3fe96b0 100644 --- a/tests/test_crawler.py +++ b/tests/test_crawler.py @@ -1,5 +1,4 @@ import logging -import os import platform import re import signal @@ -643,7 +642,6 @@ class CrawlerRunnerHasSpider(unittest.TestCase): class ScriptRunnerMixin: script_dir: Path - cwd = os.getcwd() def get_script_args(self, script_name: str, *script_args: str) -> list[str]: script_path = self.script_dir / script_name diff --git a/tests/test_downloader_handlers.py b/tests/test_downloader_handlers.py index 8ecba41bf..05b64e704 100644 --- a/tests/test_downloader_handlers.py +++ b/tests/test_downloader_handlers.py @@ -116,7 +116,7 @@ class FileTestCase(unittest.TestCase): def tearDown(self): os.close(self.fd) - os.remove(self.tmpname) + Path(self.tmpname).unlink() def test_download(self): def _test(response): diff --git a/tests/test_utils_project.py b/tests/test_utils_project.py index 3831f4c21..1d149d48d 100644 --- a/tests/test_utils_project.py +++ b/tests/test_utils_project.py @@ -12,7 +12,7 @@ from scrapy.utils.project import data_path, get_project_settings @contextlib.contextmanager def inside_a_project(): - prev_dir = os.getcwd() + prev_dir = Path.cwd() project_dir = tempfile.mkdtemp() try: From c87354cd46afdba35ca104a62b0c2bbfa6bd6f64 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Wed, 1 Jan 2025 23:05:07 +0500 Subject: [PATCH 352/786] Enable SIM Ruff rules. --- pyproject.toml | 8 +++++++ scrapy/cmdline.py | 4 +--- scrapy/commands/parse.py | 11 ++++----- scrapy/commands/startproject.py | 5 +--- scrapy/core/downloader/handlers/http11.py | 5 +--- scrapy/core/engine.py | 9 +++----- scrapy/core/spidermw.py | 5 +--- scrapy/crawler.py | 6 ++--- scrapy/downloadermiddlewares/httpauth.py | 9 +++++--- scrapy/downloadermiddlewares/httpproxy.py | 5 +--- scrapy/exporters.py | 5 +--- scrapy/extensions/debug.py | 7 +++--- scrapy/extensions/feedexport.py | 5 ++-- scrapy/extensions/httpcache.py | 5 +--- scrapy/extensions/periodic_log.py | 5 +--- scrapy/http/cookies.py | 5 ++-- scrapy/http/request/json_request.py | 4 ++-- scrapy/linkextractors/lxmlhtml.py | 13 ++++++----- scrapy/mail.py | 8 +++---- scrapy/pipelines/files.py | 6 ++--- scrapy/shell.py | 5 ++-- scrapy/spidermiddlewares/referer.py | 9 ++++---- scrapy/utils/_compression.py | 5 ++-- scrapy/utils/datatypes.py | 6 ++--- scrapy/utils/signal.py | 4 ++-- scrapy/utils/url.py | 14 ++++++++---- tests/test_addons.py | 28 ++++++++++++----------- tests/test_downloader_handlers.py | 7 +++--- tests/test_feedexport.py | 12 ++++------ tests/test_http_request.py | 5 +--- tests/test_pipeline_files.py | 28 ++++++++++++----------- tests/test_settings/__init__.py | 2 +- tests/test_spiderloader/__init__.py | 5 ++-- tests/test_utils_deprecate.py | 12 ++++++---- tests/test_utils_iterators.py | 2 +- 35 files changed, 128 insertions(+), 146 deletions(-) diff --git a/pyproject.toml b/pyproject.toml index 08b4b09b2..a75f3b6db 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -254,6 +254,8 @@ extend-select = [ "RUF", # flake8-bandit "S", + # flake8-simplify + "SIM", # flake8-slots "SLOT", # flake8-debugger @@ -344,6 +346,12 @@ ignore = [ "S321", # Argument default set to insecure SSL protocol "S503", + # Use capitalized environment variable + "SIM112", + # Use a context manager for opening files + "SIM115", + # Yoda condition detected + "SIM300", ] [tool.ruff.lint.per-file-ignores] diff --git a/scrapy/cmdline.py b/scrapy/cmdline.py index 9a24871de..48f462c65 100644 --- a/scrapy/cmdline.py +++ b/scrapy/cmdline.py @@ -90,12 +90,10 @@ def _get_commands_dict( def _pop_command_name(argv: list[str]) -> str | None: - i = 0 - for arg in argv[1:]: + for i, arg in enumerate(argv[1:]): if not arg.startswith("-"): del argv[i] return arg - i += 1 return None diff --git a/scrapy/commands/parse.py b/scrapy/commands/parse.py index f996d1806..61aea3ee4 100644 --- a/scrapy/commands/parse.py +++ b/scrapy/commands/parse.py @@ -174,13 +174,12 @@ class Command(BaseRunSpiderCommand): display.pprint([ItemAdapter(x).asdict() for x in items], colorize=colour) def print_requests(self, lvl: int | None = None, colour: bool = True) -> None: - if lvl is None: - if self.requests: - requests = self.requests[max(self.requests)] - else: - requests = [] - else: + if lvl is not None: requests = self.requests.get(lvl, []) + elif self.requests: + requests = self.requests[max(self.requests)] + else: + requests = [] print("# Requests ", "-" * 65) display.pprint(requests, colorize=colour) diff --git a/scrapy/commands/startproject.py b/scrapy/commands/startproject.py index e0c004580..1adc1530f 100644 --- a/scrapy/commands/startproject.py +++ b/scrapy/commands/startproject.py @@ -95,10 +95,7 @@ class Command(ScrapyCommand): project_name = args[0] - if len(args) == 2: - project_dir = Path(args[1]) - else: - project_dir = Path(args[0]) + project_dir = Path(args[-1]) if (project_dir / "scrapy.cfg").exists(): self.exitcode = 1 diff --git a/scrapy/core/downloader/handlers/http11.py b/scrapy/core/downloader/handlers/http11.py index 9f65794fe..aa8a1a2a4 100644 --- a/scrapy/core/downloader/handlers/http11.py +++ b/scrapy/core/downloader/handlers/http11.py @@ -424,10 +424,7 @@ class ScrapyAgent: headers = TxHeaders(request.headers) if isinstance(agent, self._TunnelingAgent): headers.removeHeader(b"Proxy-Authorization") - if request.body: - bodyproducer = _RequestBodyProducer(request.body) - else: - bodyproducer = None + bodyproducer = _RequestBodyProducer(request.body) if request.body else None start_time = time() d: Deferred[TxResponse] = agent.request( method, to_bytes(url, encoding="ascii"), headers, bodyproducer diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index 5480df72c..61f444e31 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -291,9 +291,7 @@ class ExecutionEngine: return False if self.slot.start_requests is not None: # not all start requests are handled return False - if self.slot.scheduler.has_pending_requests(): - return False - return True + return not self.slot.scheduler.has_pending_requests() def crawl(self, request: Request) -> None: """Inject the request into the spider <-> downloader pipeline""" @@ -388,9 +386,8 @@ class ExecutionEngine: ) self.slot = Slot(start_requests, close_if_idle, nextcall, scheduler) self.spider = spider - if hasattr(scheduler, "open"): - if d := scheduler.open(spider): - yield d + if hasattr(scheduler, "open") and (d := scheduler.open(spider)): + yield d yield self.scraper.open_spider(spider) assert self.crawler.stats self.crawler.stats.open_spider(spider) diff --git a/scrapy/core/spidermw.py b/scrapy/core/spidermw.py index a63ee40bf..4b2520aa1 100644 --- a/scrapy/core/spidermw.py +++ b/scrapy/core/spidermw.py @@ -198,10 +198,7 @@ class SpiderMiddlewareManager(MiddlewareManager): # chain, they went through it already from the process_spider_exception method recovered: MutableChain[_T] | MutableAsyncChain[_T] last_result_is_async = isinstance(result, AsyncIterable) - if last_result_is_async: - recovered = MutableAsyncChain() - else: - recovered = MutableChain() + recovered = MutableAsyncChain() if last_result_is_async else MutableChain() # There are three cases for the middleware: def foo, async def foo, def foo + async def foo_async. # 1. def foo. Sync iterables are passed as is, async ones are downgraded. diff --git a/scrapy/crawler.py b/scrapy/crawler.py index 05af1bf8a..0a28c4549 100644 --- a/scrapy/crawler.py +++ b/scrapy/crawler.py @@ -1,5 +1,6 @@ from __future__ import annotations +import contextlib import logging import pprint import signal @@ -503,7 +504,6 @@ class CrawlerProcess(CrawlerRunner): def _stop_reactor(self, _: Any = None) -> None: from twisted.internet import reactor - try: + # raised if already stopped or in shutdown stage + with contextlib.suppress(RuntimeError): reactor.stop() - except RuntimeError: # raised if already stopped or in shutdown stage - pass diff --git a/scrapy/downloadermiddlewares/httpauth.py b/scrapy/downloadermiddlewares/httpauth.py index b74140ee1..80107261b 100644 --- a/scrapy/downloadermiddlewares/httpauth.py +++ b/scrapy/downloadermiddlewares/httpauth.py @@ -42,7 +42,10 @@ class HttpAuthMiddleware: self, request: Request, spider: Spider ) -> Request | Response | None: auth = getattr(self, "auth", None) - if auth and b"Authorization" not in request.headers: - if not self.domain or url_is_from_any_domain(request.url, [self.domain]): - request.headers[b"Authorization"] = auth + if ( + auth + and b"Authorization" not in request.headers + and (not self.domain or url_is_from_any_domain(request.url, [self.domain])) + ): + request.headers[b"Authorization"] = auth return None diff --git a/scrapy/downloadermiddlewares/httpproxy.py b/scrapy/downloadermiddlewares/httpproxy.py index 2f3f2db47..cb7fa8c90 100644 --- a/scrapy/downloadermiddlewares/httpproxy.py +++ b/scrapy/downloadermiddlewares/httpproxy.py @@ -51,10 +51,7 @@ class HttpProxyMiddleware: proxy_type, user, password, hostport = _parse_proxy(url) proxy_url = urlunparse((proxy_type or orig_type, hostport, "", "", "", "")) - if user: - creds = self._basic_auth_header(user, password) - else: - creds = None + creds = self._basic_auth_header(user, password) if user else None return creds, proxy_url diff --git a/scrapy/exporters.py b/scrapy/exporters.py index 834a05ae9..46c6aa3fa 100644 --- a/scrapy/exporters.py +++ b/scrapy/exporters.py @@ -81,10 +81,7 @@ class BaseItemExporter: include_empty = self.export_empty_fields if self.fields_to_export is None: - if include_empty: - field_iter = item.field_names() - else: - field_iter = item.keys() + field_iter = item.field_names() if include_empty else item.keys() elif isinstance(self.fields_to_export, Mapping): if include_empty: field_iter = self.fields_to_export.items() diff --git a/scrapy/extensions/debug.py b/scrapy/extensions/debug.py index 5ca07394f..afaf81928 100644 --- a/scrapy/extensions/debug.py +++ b/scrapy/extensions/debug.py @@ -6,6 +6,7 @@ See documentation in docs/topics/extensions.rst from __future__ import annotations +import contextlib import logging import signal import sys @@ -69,11 +70,9 @@ class StackTraceDump: class Debugger: def __init__(self) -> None: - try: + # win32 platforms don't support SIGUSR signals + with contextlib.suppress(AttributeError): signal.signal(signal.SIGUSR2, self._enter_debugger) # type: ignore[attr-defined] - except AttributeError: - # win32 platforms don't support SIGUSR signals - pass def _enter_debugger(self, signum: int, frame: FrameType | None) -> None: assert frame diff --git a/scrapy/extensions/feedexport.py b/scrapy/extensions/feedexport.py index b6e6f55a6..8a3d607b0 100644 --- a/scrapy/extensions/feedexport.py +++ b/scrapy/extensions/feedexport.py @@ -6,6 +6,7 @@ See documentation in docs/topics/feed-exports.rst from __future__ import annotations +import contextlib import logging import re import sys @@ -642,10 +643,8 @@ class FeedExporter: ) d = {} for k, v in conf.items(): - try: + with contextlib.suppress(NotConfigured): d[k] = load_object(v) - except NotConfigured: - pass return d def _exporter_supported(self, format: str) -> bool: diff --git a/scrapy/extensions/httpcache.py b/scrapy/extensions/httpcache.py index 929807de8..fe2cbcb86 100644 --- a/scrapy/extensions/httpcache.py +++ b/scrapy/extensions/httpcache.py @@ -89,10 +89,7 @@ class RFC2616Policy: return False cc = self._parse_cachecontrol(request) # obey user-agent directive "Cache-Control: no-store" - if b"no-store" in cc: - return False - # Any other is eligible for caching - return True + return b"no-store" not in cc def should_cache_response(self, response: Response, request: Request) -> bool: # What is cacheable - https://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9.1 diff --git a/scrapy/extensions/periodic_log.py b/scrapy/extensions/periodic_log.py index 7cf08a1bb..f97577442 100644 --- a/scrapy/extensions/periodic_log.py +++ b/scrapy/extensions/periodic_log.py @@ -151,10 +151,7 @@ class PeriodicLog: return False if exclude and not include: return True - for p in include: - if p in stat_name: - return True - return False + return any(p in stat_name for p in include) def spider_closed(self, spider: Spider, reason: str) -> None: self.log() diff --git a/scrapy/http/cookies.py b/scrapy/http/cookies.py index 60322fe6e..b7c3b9d37 100644 --- a/scrapy/http/cookies.py +++ b/scrapy/http/cookies.py @@ -64,9 +64,8 @@ class CookieJar: cookies += self.jar._cookies_for_domain(host, wreq) # type: ignore[attr-defined] attrs = self.jar._cookie_attrs(cookies) # type: ignore[attr-defined] - if attrs: - if not wreq.has_header("Cookie"): - wreq.add_unredirected_header("Cookie", "; ".join(attrs)) + if attrs and not wreq.has_header("Cookie"): + wreq.add_unredirected_header("Cookie", "; ".join(attrs)) self.processed += 1 if self.processed % self.check_expired_frequency == 0: diff --git a/scrapy/http/request/json_request.py b/scrapy/http/request/json_request.py index e5b63ef14..e26cbe05b 100644 --- a/scrapy/http/request/json_request.py +++ b/scrapy/http/request/json_request.py @@ -29,7 +29,7 @@ class JsonRequest(Request): dumps_kwargs.setdefault("sort_keys", True) self._dumps_kwargs: dict[str, Any] = dumps_kwargs - body_passed = kwargs.get("body", None) is not None + body_passed = kwargs.get("body") is not None data: Any = kwargs.pop("data", None) data_passed: bool = data is not None @@ -61,7 +61,7 @@ class JsonRequest(Request): def replace( self, *args: Any, cls: type[Request] | None = None, **kwargs: Any ) -> Request: - body_passed = kwargs.get("body", None) is not None + body_passed = kwargs.get("body") is not None data: Any = kwargs.pop("data", None) data_passed: bool = data is not None diff --git a/scrapy/linkextractors/lxmlhtml.py b/scrapy/linkextractors/lxmlhtml.py index f195dbdd7..4fd932b88 100644 --- a/scrapy/linkextractors/lxmlhtml.py +++ b/scrapy/linkextractors/lxmlhtml.py @@ -41,9 +41,12 @@ _collect_string_content = etree.XPath("string()") def _nons(tag: Any) -> Any: - if isinstance(tag, str): - if tag[0] == "{" and tag[1 : len(XHTML_NAMESPACE) + 1] == XHTML_NAMESPACE: - return tag.split("}")[-1] + if ( + isinstance(tag, str) + and tag[0] == "{" + and tag[1 : len(XHTML_NAMESPACE) + 1] == XHTML_NAMESPACE + ): + return tag.split("}")[-1] return tag @@ -230,9 +233,7 @@ class LxmlLinkExtractor: parsed_url, self.deny_extensions ): return False - if self.restrict_text and not _matches(link.text, self.restrict_text): - return False - return True + return not self.restrict_text or _matches(link.text, self.restrict_text) def matches(self, url: str) -> bool: if self.allow_domains and not url_is_from_any_domain(url, self.allow_domains): diff --git a/scrapy/mail.py b/scrapy/mail.py index a3c642401..be2423965 100644 --- a/scrapy/mail.py +++ b/scrapy/mail.py @@ -111,11 +111,9 @@ class MailSender: ) -> Deferred[None] | None: from twisted.internet import reactor - msg: MIMEBase - if attachs: - msg = MIMEMultipart() - else: - msg = MIMENonMultipart(*mimetype.split("/", 1)) + msg: MIMEBase = ( + MIMEMultipart() if attachs else MIMENonMultipart(*mimetype.split("/", 1)) + ) to = list(arg_to_iter(to)) cc = list(arg_to_iter(cc)) diff --git a/scrapy/pipelines/files.py b/scrapy/pipelines/files.py index 16bd45c00..a10117590 100644 --- a/scrapy/pipelines/files.py +++ b/scrapy/pipelines/files.py @@ -553,10 +553,8 @@ class FilesPipeline(MediaPipeline): ftp_store.USE_ACTIVE_MODE = settings.getbool("FEED_STORAGE_FTP_ACTIVE") def _get_store(self, uri: str) -> FilesStoreProtocol: - if Path(uri).is_absolute(): # to support win32 paths like: C:\\some\dir - scheme = "file" - else: - scheme = urlparse(uri).scheme + # to support win32 paths like: C:\\some\dir + scheme = "file" if Path(uri).is_absolute() else urlparse(uri).scheme store_cls = self.STORE_SCHEMES[scheme] return store_cls(uri) diff --git a/scrapy/shell.py b/scrapy/shell.py index 5d0ab1e4d..4a5b9e9cf 100644 --- a/scrapy/shell.py +++ b/scrapy/shell.py @@ -6,6 +6,7 @@ See documentation in docs/topics/shell.rst from __future__ import annotations +import contextlib import os import signal from typing import TYPE_CHECKING, Any @@ -143,12 +144,10 @@ class Shell: else: request.meta["handle_httpstatus_all"] = True response = None - try: + with contextlib.suppress(IgnoreRequest): response, spider = threads.blockingCallFromThread( reactor, self._schedule, request, spider ) - except IgnoreRequest: - pass self.populate_vars(response, request, spider) def populate_vars( diff --git a/scrapy/spidermiddlewares/referer.py b/scrapy/spidermiddlewares/referer.py index 18cc991bf..a3a1e5b92 100644 --- a/scrapy/spidermiddlewares/referer.py +++ b/scrapy/spidermiddlewares/referer.py @@ -360,11 +360,10 @@ class RefererMiddleware: - otherwise, the policy from settings is used. """ policy_name = request.meta.get("referrer_policy") - if policy_name is None: - if isinstance(resp_or_url, Response): - policy_header = resp_or_url.headers.get("Referrer-Policy") - if policy_header is not None: - policy_name = to_unicode(policy_header.decode("latin1")) + if policy_name is None and isinstance(resp_or_url, Response): + policy_header = resp_or_url.headers.get("Referrer-Policy") + if policy_header is not None: + policy_name = to_unicode(policy_header.decode("latin1")) if policy_name is None: return self.default_policy() diff --git a/scrapy/utils/_compression.py b/scrapy/utils/_compression.py index 591737b8e..6b09f36ff 100644 --- a/scrapy/utils/_compression.py +++ b/scrapy/utils/_compression.py @@ -1,3 +1,4 @@ +import contextlib import zlib from io import BytesIO from warnings import warn @@ -37,10 +38,8 @@ else: return decompressor.process(data) -try: +with contextlib.suppress(ImportError): import zstandard -except ImportError: - pass _CHUNK_SIZE = 65536 # 64 KiB diff --git a/scrapy/utils/datatypes.py b/scrapy/utils/datatypes.py index 98ecb2f02..3d0e0d3c7 100644 --- a/scrapy/utils/datatypes.py +++ b/scrapy/utils/datatypes.py @@ -8,6 +8,7 @@ This module must not depend on any module outside the Standard Library. from __future__ import annotations import collections +import contextlib import warnings import weakref from collections import OrderedDict @@ -173,10 +174,9 @@ class LocalWeakReferencedCache(weakref.WeakKeyDictionary): self.data: LocalCache = LocalCache(limit=limit) def __setitem__(self, key: _KT, value: _VT) -> None: - try: + # if raised, key is not weak-referenceable, skip caching + with contextlib.suppress(TypeError): super().__setitem__(key, value) - except TypeError: - pass # key is not weak-referenceable, skip caching def __getitem__(self, key: _KT) -> _VT | None: # type: ignore[override] try: diff --git a/scrapy/utils/signal.py b/scrapy/utils/signal.py index c1d3bfffb..5fd176a3f 100644 --- a/scrapy/utils/signal.py +++ b/scrapy/utils/signal.py @@ -36,7 +36,7 @@ def send_catch_log( dont_log = named.pop("dont_log", ()) dont_log = tuple(dont_log) if isinstance(dont_log, Sequence) else (dont_log,) dont_log += (StopDownload,) - spider = named.get("spider", None) + spider = named.get("spider") responses: list[tuple[TypingAny, TypingAny]] = [] for receiver in liveReceivers(getAllReceivers(sender, signal)): result: TypingAny @@ -88,7 +88,7 @@ def send_catch_log_deferred( return failure dont_log = named.pop("dont_log", None) - spider = named.get("spider", None) + spider = named.get("spider") dfds: list[Deferred[tuple[TypingAny, TypingAny]]] = [] for receiver in liveReceivers(getAllReceivers(sender, signal)): d: Deferred[TypingAny] = maybeDeferred_coro( diff --git a/scrapy/utils/url.py b/scrapy/utils/url.py index d487849bb..db2749d79 100644 --- a/scrapy/utils/url.py +++ b/scrapy/utils/url.py @@ -173,13 +173,19 @@ def strip_url( parsed_url.username or parsed_url.password ): netloc = netloc.split("@")[-1] - if strip_default_port and parsed_url.port: - if (parsed_url.scheme, parsed_url.port) in ( + + if ( + strip_default_port + and parsed_url.port + and (parsed_url.scheme, parsed_url.port) + in ( ("http", 80), ("https", 443), ("ftp", 21), - ): - netloc = netloc.replace(f":{parsed_url.port}", "") + ) + ): + netloc = netloc.replace(f":{parsed_url.port}", "") + return urlunparse( ( parsed_url.scheme, diff --git a/tests/test_addons.py b/tests/test_addons.py index 17949997c..a0caa3511 100644 --- a/tests/test_addons.py +++ b/tests/test_addons.py @@ -166,19 +166,21 @@ class AddonManagerTest(unittest.TestCase): def update_settings(self, settings): pass - with patch("scrapy.addons.logger") as logger_mock: - with patch("scrapy.addons.build_from_crawler") as build_from_crawler_mock: - settings_dict = { - "ADDONS": {LoggedAddon: 1}, - } - addon = LoggedAddon() - build_from_crawler_mock.return_value = addon - crawler = get_crawler(settings_dict=settings_dict) - logger_mock.info.assert_called_once_with( - "Enabled addons:\n%(addons)s", - {"addons": [addon]}, - extra={"crawler": crawler}, - ) + with ( + patch("scrapy.addons.logger") as logger_mock, + patch("scrapy.addons.build_from_crawler") as build_from_crawler_mock, + ): + settings_dict = { + "ADDONS": {LoggedAddon: 1}, + } + addon = LoggedAddon() + build_from_crawler_mock.return_value = addon + crawler = get_crawler(settings_dict=settings_dict) + logger_mock.info.assert_called_once_with( + "Enabled addons:\n%(addons)s", + {"addons": [addon]}, + extra={"crawler": crawler}, + ) @inlineCallbacks def test_enable_addon_in_spider(self): diff --git a/tests/test_downloader_handlers.py b/tests/test_downloader_handlers.py index 05b64e704..0dcbeaec1 100644 --- a/tests/test_downloader_handlers.py +++ b/tests/test_downloader_handlers.py @@ -530,9 +530,10 @@ class Http11TestCase(HttpTestCase): d = self.download_request(request, Spider("foo")) def checkDataLoss(failure): - if failure.check(ResponseFailed): - if any(r.check(_DataLoss) for r in failure.value.reasons): - return None + if failure.check(ResponseFailed) and any( + r.check(_DataLoss) for r in failure.value.reasons + ): + return None return failure d.addCallback(lambda _: self.fail("No DataLoss exception")) diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py index b087aaab1..0f149f172 100644 --- a/tests/test_feedexport.py +++ b/tests/test_feedexport.py @@ -756,7 +756,7 @@ class FeedExportTest(FeedExportTestBase): ) finally: - for file_path in FEEDS.keys(): + for file_path in FEEDS: if not Path(file_path).exists(): continue @@ -1229,15 +1229,13 @@ class FeedExportTest(FeedExportTestBase): class CustomFilter2(scrapy.extensions.feedexport.ItemFilter): def accepts(self, item): - if "foo" not in item.fields: - return False - return True + return "foo" in item.fields class CustomFilter3(scrapy.extensions.feedexport.ItemFilter): def accepts(self, item): - if isinstance(item, tuple(self.item_classes)) and item["foo"] == "bar1": - return True - return False + return ( + isinstance(item, tuple(self.item_classes)) and item["foo"] == "bar1" + ) formats = { "json": b'[\n{"foo": "bar1", "egg": "spam1"}\n]', diff --git a/tests/test_http_request.py b/tests/test_http_request.py index 9997b7ab3..c5929c339 100644 --- a/tests/test_http_request.py +++ b/tests/test_http_request.py @@ -1488,10 +1488,7 @@ def _buildresponse(body, **kwargs): def _qs(req, encoding="utf-8", to_unicode=False): - if req.method == "POST": - qs = req.body - else: - qs = req.url.partition("?")[2] + qs = req.body if req.method == "POST" else req.url.partition("?")[2] uqs = unquote_to_bytes(qs) if to_unicode: uqs = uqs.decode(encoding) diff --git a/tests/test_pipeline_files.py b/tests/test_pipeline_files.py index a6c5f0a94..4c3fc36b6 100644 --- a/tests/test_pipeline_files.py +++ b/tests/test_pipeline_files.py @@ -634,19 +634,21 @@ class TestGCSFilesStore(unittest.TestCase): import google.cloud.storage # noqa: F401 except ModuleNotFoundError: raise unittest.SkipTest("google-cloud-storage is not installed") - with mock.patch("google.cloud.storage") as _: - with mock.patch("scrapy.pipelines.files.time") as _: - uri = "gs://my_bucket/my_prefix/" - store = GCSFilesStore(uri) - store.bucket = mock.Mock() - path = "full/my_data.txt" - yield store.persist_file( - path, mock.Mock(), info=None, meta=None, headers=None - ) - yield store.stat_file(path, info=None) - expected_blob_path = store.prefix + path - store.bucket.blob.assert_called_with(expected_blob_path) - store.bucket.get_blob.assert_called_with(expected_blob_path) + with ( + mock.patch("google.cloud.storage"), + mock.patch("scrapy.pipelines.files.time"), + ): + uri = "gs://my_bucket/my_prefix/" + store = GCSFilesStore(uri) + store.bucket = mock.Mock() + path = "full/my_data.txt" + yield store.persist_file( + path, mock.Mock(), info=None, meta=None, headers=None + ) + yield store.stat_file(path, info=None) + expected_blob_path = store.prefix + path + store.bucket.blob.assert_called_with(expected_blob_path) + store.bucket.get_blob.assert_called_with(expected_blob_path) class TestFTPFileStore(unittest.TestCase): diff --git a/tests/test_settings/__init__.py b/tests/test_settings/__init__.py index 503c29e32..96d59c911 100644 --- a/tests/test_settings/__init__.py +++ b/tests/test_settings/__init__.py @@ -170,7 +170,7 @@ class BaseSettingsTest(unittest.TestCase): self.assertCountEqual(self.settings.attributes.keys(), ctrl_attributes.keys()) - for key in ctrl_attributes.keys(): + for key in ctrl_attributes: attr = self.settings.attributes[key] ctrl_attr = ctrl_attributes[key] self.assertEqual(attr.value, ctrl_attr.value) diff --git a/tests/test_spiderloader/__init__.py b/tests/test_spiderloader/__init__.py index 9b53b9b96..d5aac34eb 100644 --- a/tests/test_spiderloader/__init__.py +++ b/tests/test_spiderloader/__init__.py @@ -1,3 +1,4 @@ +import contextlib import shutil import sys import tempfile @@ -22,10 +23,8 @@ module_dir = Path(__file__).resolve().parent def _copytree(source: Path, target: Path): - try: + with contextlib.suppress(shutil.Error): shutil.copytree(source, target) - except shutil.Error: - pass class SpiderLoaderTest(unittest.TestCase): diff --git a/tests/test_utils_deprecate.py b/tests/test_utils_deprecate.py index eedb6f6af..dc5fbd3c3 100644 --- a/tests/test_utils_deprecate.py +++ b/tests/test_utils_deprecate.py @@ -259,12 +259,14 @@ class WarnWhenSubclassedTest(unittest.TestCase): self.assertIn("foo.Bar", str(w[1].message)) def test_inspect_stack(self): - with mock.patch("inspect.stack", side_effect=IndexError): - with warnings.catch_warnings(record=True) as w: - DeprecatedName = create_deprecated_class("DeprecatedName", NewName) + with ( + mock.patch("inspect.stack", side_effect=IndexError), + warnings.catch_warnings(record=True) as w, + ): + DeprecatedName = create_deprecated_class("DeprecatedName", NewName) - class SubClass(DeprecatedName): - pass + class SubClass(DeprecatedName): + pass self.assertIn("Error detecting parent module", str(w[0].message)) diff --git a/tests/test_utils_iterators.py b/tests/test_utils_iterators.py index 4c81e3a2f..12507c6a3 100644 --- a/tests/test_utils_iterators.py +++ b/tests/test_utils_iterators.py @@ -366,7 +366,7 @@ class UtilsCsvTestCase(unittest.TestCase): # explicit type check cuz' we no like stinkin' autocasting! yarrr for result_row in result: - self.assertTrue(all(isinstance(k, str) for k in result_row.keys())) + self.assertTrue(all(isinstance(k, str) for k in result_row)) self.assertTrue(all(isinstance(v, str) for v in result_row.values())) def test_csviter_delimiter(self): From b70443f2d06b1b0ad8c474fc5e8a424e363bdd81 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 2 Jan 2025 00:31:26 +0500 Subject: [PATCH 353/786] Split ruff and pylint ignores into two categories, some pylint cleanup. --- docs/_ext/scrapydocs.py | 1 + docs/conf.py | 2 + pyproject.toml | 81 +++++++++++++++++---------------- scrapy/contracts/__init__.py | 2 +- scrapy/extensions/feedexport.py | 2 + scrapy/extensions/telnet.py | 4 +- scrapy/interfaces.py | 2 + scrapy/shell.py | 17 ++++--- scrapy/utils/console.py | 2 +- scrapy/utils/deprecate.py | 1 + scrapy/utils/display.py | 1 + scrapy/utils/engine.py | 2 +- tests/test_contracts.py | 4 +- tests/test_exporters.py | 4 +- tests/test_item.py | 2 +- tests/test_link.py | 2 +- tests/test_scrapy__getattr__.py | 2 +- tests/test_selector.py | 2 +- tests/test_squeues_request.py | 8 ++-- 19 files changed, 77 insertions(+), 64 deletions(-) diff --git a/docs/_ext/scrapydocs.py b/docs/_ext/scrapydocs.py index c23a89089..9b63f39f6 100644 --- a/docs/_ext/scrapydocs.py +++ b/docs/_ext/scrapydocs.py @@ -1,3 +1,4 @@ +# pylint: disable=import-error from operator import itemgetter from docutils import nodes diff --git a/docs/conf.py b/docs/conf.py index 7a5166053..d06828bcc 100644 --- a/docs/conf.py +++ b/docs/conf.py @@ -8,6 +8,8 @@ # # All configuration values have a default; values that are commented out # serve to show the default. + +# pylint: disable=import-error import os import sys from pathlib import Path diff --git a/pyproject.toml b/pyproject.toml index a75f3b6db..88005ec4a 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -125,43 +125,30 @@ extension-pkg-allow-list=[ [tool.pylint."MESSAGES CONTROL"] disable = [ - "abstract-method", - "arguments-differ", - "arguments-renamed", + # Ones we want to ignore "attribute-defined-outside-init", "broad-exception-caught", "consider-using-with", "cyclic-import", - "dangerous-default-value", "disallowed-name", - "duplicate-code", # https://github.com/PyCQA/pylint/issues/214 - "eval-used", + "duplicate-code", # https://github.com/pylint-dev/pylint/issues/214 "fixme", - "import-error", "import-outside-toplevel", - "inherit-non-class", + "inherit-non-class", # false positives with create_deprecated_class() "invalid-name", "invalid-overridden-method", - "isinstance-second-argument-not-valid-type", - "keyword-arg-before-vararg", + "isinstance-second-argument-not-valid-type", # false positives with create_deprecated_class() "line-too-long", "logging-format-interpolation", "logging-fstring-interpolation", "logging-not-lazy", "missing-docstring", "no-member", - "no-method-argument", - "no-name-in-module", - "no-self-argument", - "no-value-for-parameter", # https://github.com/pylint-dev/pylint/issues/3268 + "no-value-for-parameter", # https://github.com/pylint-dev/pylint/issues/3268 "not-callable", - "pointless-statement", - "pointless-string-statement", "protected-access", - "raise-missing-from", "redefined-builtin", "redefined-outer-name", - "signature-differs", "too-few-public-methods", "too-many-ancestors", "too-many-arguments", @@ -173,14 +160,23 @@ disable = [ "too-many-positional-arguments", "too-many-public-methods", "too-many-return-statements", - "unbalanced-tuple-unpacking", - "unnecessary-dunder-call", "unused-argument", "unused-import", "unused-variable", - "used-before-assignment", - "useless-return", + "useless-return", # https://github.com/pylint-dev/pylint/issues/6530 "wrong-import-position", + + # Ones that we may want to address (fix, ignore per-line or move to "don't want to fix") + "abstract-method", + "arguments-differ", + "arguments-renamed", + "dangerous-default-value", + "keyword-arg-before-vararg", + "pointless-statement", + "raise-missing-from", + "unbalanced-tuple-unpacking", + "unnecessary-dunder-call", + "used-before-assignment", ] [tool.pytest.ini_options] @@ -270,22 +266,8 @@ extend-select = [ "YTT", ] ignore = [ - # Assigning to `os.environ` doesn't clear the environment. - "B003", - # Do not use mutable data structures for argument defaults. - "B006", - # Loop control variable not used within the loop body. - "B007", - # Do not perform function calls in argument defaults. - "B008", - # Star-arg unpacking after a keyword argument is strongly discouraged. - "B026", - # Found useless expression. - "B018", - # No explicit stacklevel argument found. - "B028", - # Within an `except` clause, raise exceptions with `raise ... from` - "B904", + # Ones we want to ignore + # Missing docstring in public module "D100", # Missing docstring in public class @@ -346,12 +328,31 @@ ignore = [ "S321", # Argument default set to insecure SSL protocol "S503", - # Use capitalized environment variable - "SIM112", # Use a context manager for opening files "SIM115", # Yoda condition detected "SIM300", + + # Ones that we may want to address (fix, ignore per-line or move to "don't want to fix") + + # Assigning to `os.environ` doesn't clear the environment. + "B003", + # Do not use mutable data structures for argument defaults. + "B006", + # Loop control variable not used within the loop body. + "B007", + # Do not perform function calls in argument defaults. + "B008", + # Found useless expression. + "B018", + # Star-arg unpacking after a keyword argument is strongly discouraged. + "B026", + # No explicit stacklevel argument found. + "B028", + # Within an `except` clause, raise exceptions with `raise ... from` + "B904", + # Use capitalized environment variable + "SIM112", ] [tool.ruff.lint.per-file-ignores] diff --git a/scrapy/contracts/__init__.py b/scrapy/contracts/__init__.py index 3b4f932a0..bdb68c4ad 100644 --- a/scrapy/contracts/__init__.py +++ b/scrapy/contracts/__init__.py @@ -199,7 +199,7 @@ def _create_testcase(method: Callable, desc: str) -> TestCase: spider = method.__self__.name # type: ignore[attr-defined] class ContractTestCase(TestCase): - def __str__(_self) -> str: + def __str__(_self) -> str: # pylint: disable=no-self-argument return f"[{spider}] {method.__name__} ({desc})" name = f"{spider}_{method.__name__}" diff --git a/scrapy/extensions/feedexport.py b/scrapy/extensions/feedexport.py index 8a3d607b0..c6e2aa0dd 100644 --- a/scrapy/extensions/feedexport.py +++ b/scrapy/extensions/feedexport.py @@ -110,6 +110,8 @@ class ItemFilter: class IFeedStorage(Interface): """Interface that all Feed Storages must implement""" + # pylint: disable=no-self-argument + def __init__(uri, *, feed_options=None): # pylint: disable=super-init-not-called """Initialize the storage with the parameters given in the URI and the feed-specific options (see :setting:`FEEDS`)""" diff --git a/scrapy/extensions/telnet.py b/scrapy/extensions/telnet.py index ee28d86ba..189b1953b 100644 --- a/scrapy/extensions/telnet.py +++ b/scrapy/extensions/telnet.py @@ -84,7 +84,9 @@ class TelnetConsole(protocol.ServerFactory): """An implementation of IPortal""" @defers - def login(self_, credentials, mind, *interfaces): + def login( + self_, credentials, mind, *interfaces + ): # pylint: disable=no-self-argument if not ( credentials.username == self.username.encode("utf8") and credentials.checkPassword(self.password.encode("utf8")) diff --git a/scrapy/interfaces.py b/scrapy/interfaces.py index 9a2c5f170..13a4d822d 100644 --- a/scrapy/interfaces.py +++ b/scrapy/interfaces.py @@ -1,3 +1,5 @@ +# pylint:disable=no-method-argument,no-self-argument + from zope.interface import Interface diff --git a/scrapy/shell.py b/scrapy/shell.py index 4a5b9e9cf..5e5e57a9a 100644 --- a/scrapy/shell.py +++ b/scrapy/shell.py @@ -71,17 +71,16 @@ class Shell: else: self.populate_vars() if self.code: + # pylint: disable-next=eval-used print(eval(self.code, globals(), self.vars)) # noqa: S307 else: - """ - Detect interactive shell setting in scrapy.cfg - e.g.: ~/.config/scrapy.cfg or ~/.scrapy.cfg - [settings] - # shell can be one of ipython, bpython or python; - # to be used as the interactive python console, if available. - # (default is ipython, fallbacks in the order listed above) - shell = python - """ + # Detect interactive shell setting in scrapy.cfg + # e.g.: ~/.config/scrapy.cfg or ~/.scrapy.cfg + # [settings] + # # shell can be one of ipython, bpython or python; + # # to be used as the interactive python console, if available. + # # (default is ipython, fallbacks in the order listed above) + # shell = python cfg = get_config() section, option = "settings", "shell" env = os.environ.get("SCRAPY_PYTHON_SHELL") diff --git a/scrapy/utils/console.py b/scrapy/utils/console.py index 95844a48c..7425543ff 100644 --- a/scrapy/utils/console.py +++ b/scrapy/utils/console.py @@ -59,7 +59,7 @@ def _embed_ptpython_shell( namespace: dict[str, Any] = {}, banner: str = "" ) -> EmbedFuncT: """Start a ptpython shell""" - import ptpython.repl + import ptpython.repl # pylint: disable=import-error @wraps(_embed_ptpython_shell) def wrapper(namespace: dict[str, Any] = namespace, banner: str = "") -> None: diff --git a/scrapy/utils/deprecate.py b/scrapy/utils/deprecate.py index 0a0acc742..20d03cae6 100644 --- a/scrapy/utils/deprecate.py +++ b/scrapy/utils/deprecate.py @@ -57,6 +57,7 @@ def create_deprecated_class( # https://github.com/python/mypy/issues/4177 class DeprecatedClass(new_class.__class__): # type: ignore[misc, name-defined] + # pylint: disable=no-self-argument deprecated_class: type | None = None warned_on_subclass: bool = False diff --git a/scrapy/utils/display.py b/scrapy/utils/display.py index 39f46270b..20744a604 100644 --- a/scrapy/utils/display.py +++ b/scrapy/utils/display.py @@ -30,6 +30,7 @@ def _tty_supports_color() -> bool: def _colorize(text: str, colorize: bool = True) -> str: + # pylint: disable=no-name-in-module if not colorize or not sys.stdout.isatty() or not _tty_supports_color(): return text try: diff --git a/scrapy/utils/engine.py b/scrapy/utils/engine.py index 1948009e8..52f29e22c 100644 --- a/scrapy/utils/engine.py +++ b/scrapy/utils/engine.py @@ -32,7 +32,7 @@ def get_engine_status(engine: ExecutionEngine) -> list[tuple[str, Any]]: checks: list[tuple[str, Any]] = [] for test in tests: try: - checks += [(test, eval(test))] # noqa: S307 + checks += [(test, eval(test))] # noqa: S307 # pylint: disable=eval-used except Exception as e: checks += [(test, f"{type(e).__name__} (exception)")] diff --git a/tests/test_contracts.py b/tests/test_contracts.py index 743889234..f7581707b 100644 --- a/tests/test_contracts.py +++ b/tests/test_contracts.py @@ -517,8 +517,8 @@ class ContractsManagerTest(unittest.TestCase): super().__init__(*args, **kwargs) self.visited = 0 - def start_requests(s): - return self.conman.from_spider(s, self.results) + def start_requests(self_): # pylint: disable=no-self-argument + return self.conman.from_spider(self_, self.results) def parse_first(self, response): self.visited += 1 diff --git a/tests/test_exporters.py b/tests/test_exporters.py index 522c6638d..970f8d2f5 100644 --- a/tests/test_exporters.py +++ b/tests/test_exporters.py @@ -216,7 +216,9 @@ class PprintItemExporterTest(BaseItemExporterTest): return PprintItemExporter(self.output, **kwargs) def _check_output(self): - self._assert_expected_item(eval(self.output.getvalue())) + self._assert_expected_item( + eval(self.output.getvalue()) # pylint: disable=eval-used + ) class PprintItemExporterDataclassTest(PprintItemExporterTest): diff --git a/tests/test_item.py b/tests/test_item.py index 13243b67f..35212c153 100644 --- a/tests/test_item.py +++ b/tests/test_item.py @@ -54,7 +54,7 @@ class ItemTest(unittest.TestCase): self.assertEqual(itemrepr, "{'name': 'John Doe', 'number': 123}") - i2 = eval(itemrepr) + i2 = eval(itemrepr) # pylint: disable=eval-used self.assertEqual(i2["name"], "John Doe") self.assertEqual(i2["number"], 123) diff --git a/tests/test_link.py b/tests/test_link.py index 7ba0851ae..35723bbd6 100644 --- a/tests/test_link.py +++ b/tests/test_link.py @@ -49,7 +49,7 @@ class LinkTest(unittest.TestCase): l1 = Link( "http://www.example.com", text="test", fragment="something", nofollow=True ) - l2 = eval(repr(l1)) + l2 = eval(repr(l1)) # pylint: disable=eval-used self._assert_same_links(l1, l2) def test_bytes_url(self): diff --git a/tests/test_scrapy__getattr__.py b/tests/test_scrapy__getattr__.py index 979c42267..443e26a3c 100644 --- a/tests/test_scrapy__getattr__.py +++ b/tests/test_scrapy__getattr__.py @@ -3,7 +3,7 @@ import warnings def test_deprecated_twisted_version(): with warnings.catch_warnings(record=True) as warns: - from scrapy import twisted_version + from scrapy import twisted_version # pylint: disable=no-name-in-module assert twisted_version is not None assert isinstance(twisted_version, tuple) diff --git a/tests/test_selector.py b/tests/test_selector.py index 1b5f3f018..857c7d626 100644 --- a/tests/test_selector.py +++ b/tests/test_selector.py @@ -264,7 +264,7 @@ class JMESPathTestCase(unittest.TestCase): ) @pytest.mark.skipif(PARSEL_18_PLUS, reason="parsel >= 1.8 supports jmespath") - def test_jmespath_not_available(my_json_page) -> None: + def test_jmespath_not_available(self) -> None: body = """ { "website": {"name": "Example"} diff --git a/tests/test_squeues_request.py b/tests/test_squeues_request.py index 02ea8027f..04eeae4dc 100644 --- a/tests/test_squeues_request.py +++ b/tests/test_squeues_request.py @@ -1,3 +1,7 @@ +""" +Queues that handle requests +""" + import shutil import tempfile import unittest @@ -16,10 +20,6 @@ from scrapy.squeues import ( ) from scrapy.utils.test import get_crawler -""" -Queues that handle requests -""" - class BaseQueueTestCase(unittest.TestCase): def setUp(self): From dc706d4fc307f0b51d8122f10dee6ad8e2653629 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 2 Jan 2025 12:32:25 +0500 Subject: [PATCH 354/786] Remove useless pylint: disable lines. --- pyproject.toml | 3 +++ scrapy/interfaces.py | 2 +- tests/test_scheduler.py | 2 -- 3 files changed, 4 insertions(+), 3 deletions(-) diff --git a/pyproject.toml b/pyproject.toml index 88005ec4a..8c985753f 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -124,6 +124,9 @@ extension-pkg-allow-list=[ ] [tool.pylint."MESSAGES CONTROL"] +enable = [ + "useless-suppression", +] disable = [ # Ones we want to ignore "attribute-defined-outside-init", diff --git a/scrapy/interfaces.py b/scrapy/interfaces.py index 13a4d822d..b4f1d9394 100644 --- a/scrapy/interfaces.py +++ b/scrapy/interfaces.py @@ -1,4 +1,4 @@ -# pylint:disable=no-method-argument,no-self-argument +# pylint: disable=no-method-argument,no-self-argument from zope.interface import Interface diff --git a/tests/test_scheduler.py b/tests/test_scheduler.py index 8bd1480ad..3ac330ae2 100644 --- a/tests/test_scheduler.py +++ b/tests/test_scheduler.py @@ -277,14 +277,12 @@ class DownloaderAwareSchedulerTestMixin: downloader = self.mock_crawler.engine.downloader while self.scheduler.has_pending_requests(): request = self.scheduler.next_request() - # pylint: disable=protected-access slot = downloader.get_slot_key(request) dequeued_slots.append(slot) downloader.increment(slot) requests.append(request) for request in requests: - # pylint: disable=protected-access slot = downloader.get_slot_key(request) downloader.decrement(slot) From b10d46d280fbc84f7a1c50e116a1ed828aa286c9 Mon Sep 17 00:00:00 2001 From: Arthur <48801049+devfox-se@users.noreply.github.com> Date: Thu, 2 Jan 2025 15:36:28 +0400 Subject: [PATCH 355/786] Fix the calculate_final_stats method (#6599) --- scrapy/extensions/logstats.py | 9 ++++++--- tests/test_logstats.py | 11 ++++++++++- 2 files changed, 16 insertions(+), 4 deletions(-) diff --git a/scrapy/extensions/logstats.py b/scrapy/extensions/logstats.py index e829d8b92..f2e1f57b8 100644 --- a/scrapy/extensions/logstats.py +++ b/scrapy/extensions/logstats.py @@ -83,12 +83,15 @@ class LogStats: self, spider: Spider ) -> tuple[None, None] | tuple[float, float]: start_time = self.stats.get_value("start_time") - finished_time = self.stats.get_value("finished_time") + finish_time = self.stats.get_value("finish_time") - if not start_time or not finished_time: + if not start_time or not finish_time: return None, None - mins_elapsed = (finished_time - start_time).seconds / 60 + mins_elapsed = (finish_time - start_time).seconds / 60 + + if mins_elapsed == 0: + return None, None items = self.stats.get_value("item_scraped_count", 0) pages = self.stats.get_value("response_received_count", 0) diff --git a/tests/test_logstats.py b/tests/test_logstats.py index d87285df7..a4b002e34 100644 --- a/tests/test_logstats.py +++ b/tests/test_logstats.py @@ -47,7 +47,7 @@ class TestLogStats(unittest.TestCase): # Simulate when spider closes after running for 30 mins self.stats.set_value("start_time", datetime.fromtimestamp(1655100172)) - self.stats.set_value("finished_time", datetime.fromtimestamp(1655101972)) + self.stats.set_value("finish_time", datetime.fromtimestamp(1655101972)) logstats.spider_closed(self.spider, "test reason") self.assertEqual(self.stats.get_value("responses_per_minute"), 172.9) self.assertEqual(self.stats.get_value("items_per_minute"), 116.4) @@ -60,3 +60,12 @@ class TestLogStats(unittest.TestCase): logstats.spider_closed(self.spider, "test reason") self.assertIsNone(self.stats.get_value("responses_per_minute")) self.assertIsNone(self.stats.get_value("items_per_minute")) + + def test_stats_calculation_no_elapsed_time(self): + """The stat values should be None since the elapsed time is 0.""" + logstats = LogStats.from_crawler(self.crawler) + self.stats.set_value("start_time", datetime.fromtimestamp(1655100172)) + self.stats.set_value("finish_time", datetime.fromtimestamp(1655100172)) + logstats.spider_closed(self.spider, "test reason") + self.assertIsNone(self.stats.get_value("responses_per_minute")) + self.assertIsNone(self.stats.get_value("items_per_minute")) From 6ae5b9267145e5b01d282f766fa90d129eb40390 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 2 Jan 2025 15:45:04 +0400 Subject: [PATCH 356/786] Drop the remaining unittest.main() blocks. (#6602) --- tests/test_downloadermiddleware_httpcache.py | 4 ---- tests/test_downloadermiddleware_redirect.py | 4 ---- tests/test_downloadermiddleware_retry.py | 4 ---- tests/test_exporters.py | 4 ---- tests/test_http_request.py | 4 ---- tests/test_item.py | 4 ---- tests/test_loader.py | 4 ---- tests/test_loader_deprecated.py | 4 ---- tests/test_logformatter.py | 4 ---- tests/test_mail.py | 4 ---- tests/test_responsetypes.py | 4 ---- tests/test_settings/__init__.py | 4 ---- tests/test_utils_conf.py | 4 ---- tests/test_utils_console.py | 4 ---- tests/test_utils_datatypes.py | 4 ---- tests/test_utils_httpobj.py | 4 ---- tests/test_utils_misc/__init__.py | 4 ---- tests/test_utils_request.py | 4 ---- tests/test_utils_sitemap.py | 4 ---- tests/test_utils_spider.py | 4 ---- tests/test_utils_template.py | 4 ---- tests/test_utils_url.py | 4 ---- 22 files changed, 88 deletions(-) diff --git a/tests/test_downloadermiddleware_httpcache.py b/tests/test_downloadermiddleware_httpcache.py index f80eff3e6..ec4e87ffb 100644 --- a/tests/test_downloadermiddleware_httpcache.py +++ b/tests/test_downloadermiddleware_httpcache.py @@ -566,7 +566,3 @@ class RFC2616PolicyTest(DefaultStorageTest): res2 = self._process_requestresponse(mw, req0, None) self.assertEqualResponse(res1, res2) assert "cached" in res2.flags - - -if __name__ == "__main__": - unittest.main() diff --git a/tests/test_downloadermiddleware_redirect.py b/tests/test_downloadermiddleware_redirect.py index e37da9715..7b19ab781 100644 --- a/tests/test_downloadermiddleware_redirect.py +++ b/tests/test_downloadermiddleware_redirect.py @@ -1314,7 +1314,3 @@ def test_meta_refresh_schemes(url, location, target): else: assert isinstance(redirect, Request) assert redirect.url == target - - -if __name__ == "__main__": - unittest.main() diff --git a/tests/test_downloadermiddleware_retry.py b/tests/test_downloadermiddleware_retry.py index c99f19b03..9b39b84d9 100644 --- a/tests/test_downloadermiddleware_retry.py +++ b/tests/test_downloadermiddleware_retry.py @@ -643,7 +643,3 @@ class GetRetryRequestTest(unittest.TestCase): f"{stats_key}/reason_count/{expected_reason}", ): self.assertEqual(spider.crawler.stats.get_value(stat), 1) - - -if __name__ == "__main__": - unittest.main() diff --git a/tests/test_exporters.py b/tests/test_exporters.py index fa9389044..0f70887af 100644 --- a/tests/test_exporters.py +++ b/tests/test_exporters.py @@ -699,7 +699,3 @@ class CustomExporterItemTest(unittest.TestCase): class CustomExporterDataclassTest(CustomExporterItemTest): item_class = TestDataClass - - -if __name__ == "__main__": - unittest.main() diff --git a/tests/test_http_request.py b/tests/test_http_request.py index 9997b7ab3..d020a8911 100644 --- a/tests/test_http_request.py +++ b/tests/test_http_request.py @@ -1717,7 +1717,3 @@ class JsonRequestTest(RequestTest): def tearDown(self): warnings.resetwarnings() super().tearDown() - - -if __name__ == "__main__": - unittest.main() diff --git a/tests/test_item.py b/tests/test_item.py index 13243b67f..3f10a724d 100644 --- a/tests/test_item.py +++ b/tests/test_item.py @@ -296,7 +296,3 @@ class ItemMetaClassCellRegression(unittest.TestCase): # TypeError: __class__ set to <class '__main__.MyItem'> # defining 'MyItem' as <class '__main__.MyItem'> super().__init__(*args, **kwargs) - - -if __name__ == "__main__": - unittest.main() diff --git a/tests/test_loader.py b/tests/test_loader.py index aca428bbe..824d7aecf 100644 --- a/tests/test_loader.py +++ b/tests/test_loader.py @@ -586,7 +586,3 @@ class FunctionProcessorTestCase(unittest.TestCase): lo.add_value("foo", " bar ") lo.add_value("foo", [" asdf ", " qwerty "]) self.assertEqual(dict(lo.load_item()), {"foo": ["BAR", "ASDF", "QWERTY"]}) - - -if __name__ == "__main__": - unittest.main() diff --git a/tests/test_loader_deprecated.py b/tests/test_loader_deprecated.py index 4bf22f6a0..8d4bd6bc1 100644 --- a/tests/test_loader_deprecated.py +++ b/tests/test_loader_deprecated.py @@ -715,7 +715,3 @@ class FunctionProcessorTestCase(unittest.TestCase): lo.add_value("foo", " bar ") lo.add_value("foo", [" asdf ", " qwerty "]) self.assertEqual(dict(lo.load_item()), {"foo": ["BAR", "ASDF", "QWERTY"]}) - - -if __name__ == "__main__": - unittest.main() diff --git a/tests/test_logformatter.py b/tests/test_logformatter.py index 5a92521cc..61a9f3f8d 100644 --- a/tests/test_logformatter.py +++ b/tests/test_logformatter.py @@ -234,7 +234,3 @@ class ShowOrSkipMessagesTestCase(TwistedTestCase): self.assertNotIn("Scraped from <200 http://127.0.0.1:", str(lc)) self.assertNotIn("Crawled (200) <GET http://127.0.0.1:", str(lc)) self.assertNotIn("Dropped: Ignoring item", str(lc)) - - -if __name__ == "__main__": - unittest.main() diff --git a/tests/test_mail.py b/tests/test_mail.py index c6af2b1b8..cf40c342e 100644 --- a/tests/test_mail.py +++ b/tests/test_mail.py @@ -157,7 +157,3 @@ class MailSenderTest(unittest.TestCase): context = factory.buildProtocol("test@scrapy.org").context self.assertIsInstance(context, ClientTLSOptions) - - -if __name__ == "__main__": - unittest.main() diff --git a/tests/test_responsetypes.py b/tests/test_responsetypes.py index 7be8150fc..f9f56ff97 100644 --- a/tests/test_responsetypes.py +++ b/tests/test_responsetypes.py @@ -126,7 +126,3 @@ class ResponseTypesTest(unittest.TestCase): self.assertEqual( responsetypes.mimetypes.guess_type("x.scrapytest")[0], "x-scrapy/test" ) - - -if __name__ == "__main__": - unittest.main() diff --git a/tests/test_settings/__init__.py b/tests/test_settings/__init__.py index 503c29e32..8bc48aa7b 100644 --- a/tests/test_settings/__init__.py +++ b/tests/test_settings/__init__.py @@ -497,7 +497,3 @@ class SettingsTest(unittest.TestCase): self.assertEqual( str(error.exception), "Trying to modify an immutable Settings object" ) - - -if __name__ == "__main__": - unittest.main() diff --git a/tests/test_utils_conf.py b/tests/test_utils_conf.py index 2ce7948eb..cbea41129 100644 --- a/tests/test_utils_conf.py +++ b/tests/test_utils_conf.py @@ -177,7 +177,3 @@ class FeedExportConfigTestCase(unittest.TestCase): "item_export_kwargs": {}, }, ) - - -if __name__ == "__main__": - unittest.main() diff --git a/tests/test_utils_console.py b/tests/test_utils_console.py index dabd6054d..0bc86e1b9 100644 --- a/tests/test_utils_console.py +++ b/tests/test_utils_console.py @@ -38,7 +38,3 @@ class UtilsConsoleTestCase(unittest.TestCase): # default shell should be 'ipython' shell = get_shell_embed_func() self.assertEqual(shell.__name__, "_embed_ipython_shell") - - -if __name__ == "__main__": - unittest.main() diff --git a/tests/test_utils_datatypes.py b/tests/test_utils_datatypes.py index 5a76593c3..e80381671 100644 --- a/tests/test_utils_datatypes.py +++ b/tests/test_utils_datatypes.py @@ -372,7 +372,3 @@ class LocalWeakReferencedCacheTest(unittest.TestCase): for i, r in enumerate(refs): self.assertIn(r, cache) self.assertEqual(cache[r], i) - - -if __name__ == "__main__": - unittest.main() diff --git a/tests/test_utils_httpobj.py b/tests/test_utils_httpobj.py index b824972d5..741e69559 100644 --- a/tests/test_utils_httpobj.py +++ b/tests/test_utils_httpobj.py @@ -20,7 +20,3 @@ class HttpobjUtilsTest(unittest.TestCase): assert req1a is req1b assert req1a is not req2 assert req1a is not req2 - - -if __name__ == "__main__": - unittest.main() diff --git a/tests/test_utils_misc/__init__.py b/tests/test_utils_misc/__init__.py index f71b2b034..478c1e73a 100644 --- a/tests/test_utils_misc/__init__.py +++ b/tests/test_utils_misc/__init__.py @@ -216,7 +216,3 @@ class UtilsMiscTestCase(unittest.TestCase): assert rel_has_nofollow("nofollowfoo") is False assert rel_has_nofollow("foonofollow") is False assert rel_has_nofollow("ugc, , nofollow") is True - - -if __name__ == "__main__": - unittest.main() diff --git a/tests/test_utils_request.py b/tests/test_utils_request.py index 0a3e3b00b..51bca9a31 100644 --- a/tests/test_utils_request.py +++ b/tests/test_utils_request.py @@ -481,7 +481,3 @@ class RequestToCurlTest(unittest.TestCase): " --data-raw '{\"foo\": \"bar\"}' --cookie 'foo=bar'" ) self._test_request(request_object, expected_curl_command) - - -if __name__ == "__main__": - unittest.main() diff --git a/tests/test_utils_sitemap.py b/tests/test_utils_sitemap.py index ce0de0722..69a459d8b 100644 --- a/tests/test_utils_sitemap.py +++ b/tests/test_utils_sitemap.py @@ -295,7 +295,3 @@ Disallow: /forum/active/ ) self.assertEqual(list(s), [{"loc": "http://127.0.0.1:8000/"}]) - - -if __name__ == "__main__": - unittest.main() diff --git a/tests/test_utils_spider.py b/tests/test_utils_spider.py index ae59d0137..df8f37103 100644 --- a/tests/test_utils_spider.py +++ b/tests/test_utils_spider.py @@ -30,7 +30,3 @@ class UtilsSpidersTestCase(unittest.TestCase): it = iter_spider_classes(tests.test_utils_spider) self.assertEqual(set(it), {MySpider1, MySpider2}) - - -if __name__ == "__main__": - unittest.main() diff --git a/tests/test_utils_template.py b/tests/test_utils_template.py index fc42c0d2f..5fbbd74da 100644 --- a/tests/test_utils_template.py +++ b/tests/test_utils_template.py @@ -33,7 +33,3 @@ class UtilsRenderTemplateFileTestCase(unittest.TestCase): render_path.unlink() assert not render_path.exists() # Failure of test itself - - -if "__main__" == __name__: - unittest.main() diff --git a/tests/test_utils_url.py b/tests/test_utils_url.py index 62e2b5c1e..94a59f883 100644 --- a/tests/test_utils_url.py +++ b/tests/test_utils_url.py @@ -630,7 +630,3 @@ def test_deprecated_imports_from_w3lib(obj_name): getattr(import_module("scrapy.utils.url"), obj_name) assert message in warns[0].message.args - - -if __name__ == "__main__": - unittest.main() From 176ae348c57a536d661ca1b469035e7e1ccbca6a Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 2 Jan 2025 18:14:18 +0500 Subject: [PATCH 357/786] Reformat long REFERRER_POLICY. --- tests/test_spidermiddleware_referer.py | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-) diff --git a/tests/test_spidermiddleware_referer.py b/tests/test_spidermiddleware_referer.py index cefd33e4e..4945ac25d 100644 --- a/tests/test_spidermiddleware_referer.py +++ b/tests/test_spidermiddleware_referer.py @@ -891,7 +891,12 @@ class TestSettingsPolicyByName(TestCase): # test parsing without space(s) after the comma settings1 = Settings( { - "REFERRER_POLICY": f"some-custom-unknown-policy,{POLICY_SAME_ORIGIN},{POLICY_STRICT_ORIGIN_WHEN_CROSS_ORIGIN},another-custom-unknown-policy" + "REFERRER_POLICY": ( + f"some-custom-unknown-policy," + f"{POLICY_SAME_ORIGIN}," + f"{POLICY_STRICT_ORIGIN_WHEN_CROSS_ORIGIN}," + f"another-custom-unknown-policy" + ) } ) mw1 = RefererMiddleware(settings1) @@ -900,7 +905,11 @@ class TestSettingsPolicyByName(TestCase): # test parsing with space(s) after the comma settings2 = Settings( { - "REFERRER_POLICY": f"{POLICY_STRICT_ORIGIN_WHEN_CROSS_ORIGIN}, another-custom-unknown-policy, {POLICY_UNSAFE_URL}" + "REFERRER_POLICY": ( + f"{POLICY_STRICT_ORIGIN_WHEN_CROSS_ORIGIN}," + f" another-custom-unknown-policy," + f" {POLICY_UNSAFE_URL}" + ) } ) mw2 = RefererMiddleware(settings2) @@ -909,7 +918,11 @@ class TestSettingsPolicyByName(TestCase): def test_multiple_policy_tokens_all_invalid(self): settings = Settings( { - "REFERRER_POLICY": "some-custom-unknown-policy,another-custom-unknown-policy,yet-another-custom-unknown-policy" + "REFERRER_POLICY": ( + "some-custom-unknown-policy," + "another-custom-unknown-policy," + "yet-another-custom-unknown-policy" + ) } ) with self.assertRaises(RuntimeError): From 4d31277bc67169460dc2d8bca80946df8b355b8f Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Fri, 3 Jan 2025 02:48:14 +0400 Subject: [PATCH 358/786] Explicitly mark re-exports. (#6579) --- pyproject.toml | 20 ++++++++++++-------- scrapy/core/downloader/handlers/http.py | 5 +++++ scrapy/http/__init__.py | 13 +++++++++++++ scrapy/linkextractors/__init__.py | 5 +++++ scrapy/selector/__init__.py | 5 +++++ scrapy/spiders/__init__.py | 9 +++++++++ tests/test_item.py | 3 ++- tests/test_utils_url.py | 2 +- 8 files changed, 52 insertions(+), 10 deletions(-) diff --git a/pyproject.toml b/pyproject.toml index 8c985753f..571a61f1c 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -72,9 +72,9 @@ version = {file = "./scrapy/VERSION"} [tool.mypy] ignore_missing_imports = true +implicit_reexport = false # Interface classes are hard to support - [[tool.mypy.overrides]] module = "twisted.internet.interfaces" follow_imports = "skip" @@ -92,6 +92,14 @@ follow_imports = "skip" module = "scrapy.settings.default_settings" ignore_errors = true +[[tool.mypy.overrides]] +module = "itemadapter" +implicit_reexport = true + +[[tool.mypy.overrides]] +module = "twisted" +implicit_reexport = true + [tool.bumpversion] current_version = "2.12.0" commit = true @@ -359,13 +367,9 @@ ignore = [ ] [tool.ruff.lint.per-file-ignores] -# Exclude files that are meant to provide top-level imports -"scrapy/__init__.py" = ["E402"] -"scrapy/core/downloader/handlers/http.py" = ["F401"] -"scrapy/http/__init__.py" = ["F401"] -"scrapy/linkextractors/__init__.py" = ["E402", "F401"] -"scrapy/selector/__init__.py" = ["F401"] -"scrapy/spiders/__init__.py" = ["E402", "F401"] +# Circular import workarounds +"scrapy/linkextractors/__init__.py" = ["E402"] +"scrapy/spiders/__init__.py" = ["E402"] # Skip bandit in tests "tests/**" = ["S"] diff --git a/scrapy/core/downloader/handlers/http.py b/scrapy/core/downloader/handlers/http.py index 52535bd8b..93b96c779 100644 --- a/scrapy/core/downloader/handlers/http.py +++ b/scrapy/core/downloader/handlers/http.py @@ -2,3 +2,8 @@ from scrapy.core.downloader.handlers.http10 import HTTP10DownloadHandler from scrapy.core.downloader.handlers.http11 import ( HTTP11DownloadHandler as HTTPDownloadHandler, ) + +__all__ = [ + "HTTP10DownloadHandler", + "HTTPDownloadHandler", +] diff --git a/scrapy/http/__init__.py b/scrapy/http/__init__.py index d0b726bad..0e5c2b53b 100644 --- a/scrapy/http/__init__.py +++ b/scrapy/http/__init__.py @@ -15,3 +15,16 @@ from scrapy.http.response.html import HtmlResponse from scrapy.http.response.json import JsonResponse from scrapy.http.response.text import TextResponse from scrapy.http.response.xml import XmlResponse + +__all__ = [ + "FormRequest", + "Headers", + "HtmlResponse", + "JsonRequest", + "JsonResponse", + "Request", + "Response", + "TextResponse", + "XmlResponse", + "XmlRpcRequest", +] diff --git a/scrapy/linkextractors/__init__.py b/scrapy/linkextractors/__init__.py index 1c7e96ae0..b39859f7b 100644 --- a/scrapy/linkextractors/__init__.py +++ b/scrapy/linkextractors/__init__.py @@ -126,3 +126,8 @@ def _is_valid_url(url: str) -> bool: # Top-level imports from scrapy.linkextractors.lxmlhtml import LxmlLinkExtractor as LinkExtractor + +__all__ = [ + "IGNORED_EXTENSIONS", + "LinkExtractor", +] diff --git a/scrapy/selector/__init__.py b/scrapy/selector/__init__.py index 85c500d66..7cfa3c364 100644 --- a/scrapy/selector/__init__.py +++ b/scrapy/selector/__init__.py @@ -4,3 +4,8 @@ Selectors # top-level imports from scrapy.selector.unified import Selector, SelectorList + +__all__ = [ + "Selector", + "SelectorList", +] diff --git a/scrapy/spiders/__init__.py b/scrapy/spiders/__init__.py index 6136dabc7..e255e91cc 100644 --- a/scrapy/spiders/__init__.py +++ b/scrapy/spiders/__init__.py @@ -117,3 +117,12 @@ class Spider(object_ref): from scrapy.spiders.crawl import CrawlSpider, Rule from scrapy.spiders.feed import CSVFeedSpider, XMLFeedSpider from scrapy.spiders.sitemap import SitemapSpider + +__all__ = [ + "CSVFeedSpider", + "CrawlSpider", + "Rule", + "SitemapSpider", + "Spider", + "XMLFeedSpider", +] diff --git a/tests/test_item.py b/tests/test_item.py index 5a8ee095e..480412841 100644 --- a/tests/test_item.py +++ b/tests/test_item.py @@ -1,7 +1,8 @@ import unittest +from abc import ABCMeta from unittest import mock -from scrapy.item import ABCMeta, Field, Item, ItemMeta +from scrapy.item import Field, Item, ItemMeta class ItemTest(unittest.TestCase): diff --git a/tests/test_utils_url.py b/tests/test_utils_url.py index 94a59f883..314082742 100644 --- a/tests/test_utils_url.py +++ b/tests/test_utils_url.py @@ -6,7 +6,7 @@ import pytest from scrapy.linkextractors import IGNORED_EXTENSIONS from scrapy.spiders import Spider from scrapy.utils.misc import arg_to_iter -from scrapy.utils.url import ( +from scrapy.utils.url import ( # type: ignore[attr-defined] _is_filesystem_path, _public_w3lib_objects, add_http_if_no_scheme, From f2234c5b96d4069d6881aacb7007ba3d305dfb0e Mon Sep 17 00:00:00 2001 From: Laerte Pereira <5853172+Laerte@users.noreply.github.com> Date: Tue, 7 Jan 2025 06:40:49 -0300 Subject: [PATCH 359/786] Fix Crawler.request_fingerprinter typing (#6605) --- scrapy/crawler.py | 4 ++-- scrapy/extensions/httpcache.py | 6 ++++-- scrapy/pipelines/media.py | 4 ++-- 3 files changed, 8 insertions(+), 6 deletions(-) diff --git a/scrapy/crawler.py b/scrapy/crawler.py index 0a28c4549..f6dbe053a 100644 --- a/scrapy/crawler.py +++ b/scrapy/crawler.py @@ -44,7 +44,7 @@ if TYPE_CHECKING: from scrapy.logformatter import LogFormatter from scrapy.spiderloader import SpiderLoader from scrapy.statscollectors import StatsCollector - from scrapy.utils.request import RequestFingerprinter + from scrapy.utils.request import RequestFingerprinterProtocol logger = logging.getLogger(__name__) @@ -80,7 +80,7 @@ class Crawler: self.extensions: ExtensionManager | None = None self.stats: StatsCollector | None = None self.logformatter: LogFormatter | None = None - self.request_fingerprinter: RequestFingerprinter | None = None + self.request_fingerprinter: RequestFingerprinterProtocol | None = None self.spider: Spider | None = None self.engine: ExecutionEngine | None = None diff --git a/scrapy/extensions/httpcache.py b/scrapy/extensions/httpcache.py index fe2cbcb86..0cd16d737 100644 --- a/scrapy/extensions/httpcache.py +++ b/scrapy/extensions/httpcache.py @@ -29,7 +29,7 @@ if TYPE_CHECKING: from scrapy.http.request import Request from scrapy.settings import BaseSettings from scrapy.spiders import Spider - from scrapy.utils.request import RequestFingerprinter + from scrapy.utils.request import RequestFingerprinterProtocol logger = logging.getLogger(__name__) @@ -265,7 +265,9 @@ class DbmCacheStorage: ) assert spider.crawler.request_fingerprinter - self._fingerprinter: RequestFingerprinter = spider.crawler.request_fingerprinter + self._fingerprinter: RequestFingerprinterProtocol = ( + spider.crawler.request_fingerprinter + ) def close_spider(self, spider: Spider) -> None: self.db.close() diff --git a/scrapy/pipelines/media.py b/scrapy/pipelines/media.py index 0f3329db1..e66b86ce6 100644 --- a/scrapy/pipelines/media.py +++ b/scrapy/pipelines/media.py @@ -30,7 +30,7 @@ if TYPE_CHECKING: from scrapy import Spider from scrapy.crawler import Crawler from scrapy.http import Response - from scrapy.utils.request import RequestFingerprinter + from scrapy.utils.request import RequestFingerprinterProtocol class FileInfo(TypedDict): @@ -47,7 +47,7 @@ logger = logging.getLogger(__name__) class MediaPipeline(ABC): crawler: Crawler - _fingerprinter: RequestFingerprinter + _fingerprinter: RequestFingerprinterProtocol _modern_init = False LOG_FAILED_RESULTS: bool = True From 4869315d102e2e92f50582ebc3aebdb82266f5b3 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 7 Jan 2025 13:46:12 +0400 Subject: [PATCH 360/786] Install libjpeg-dev on pinned envs to be able to install Pillow. (#6607) --- .github/workflows/tests-ubuntu.yml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/.github/workflows/tests-ubuntu.yml b/.github/workflows/tests-ubuntu.yml index b2a5681df..ab6794d3c 100644 --- a/.github/workflows/tests-ubuntu.yml +++ b/.github/workflows/tests-ubuntu.yml @@ -73,7 +73,7 @@ jobs: if: contains(matrix.python-version, 'pypy') || contains(matrix.env.TOXENV, 'pinned') run: | sudo apt-get update - sudo apt-get install libxml2-dev libxslt-dev + sudo apt-get install libxml2-dev libxslt-dev libjpeg-dev - name: Run tests env: ${{ matrix.env }} From 5d3aa80ad1f1dcd67a185158c6a7ceb53855eefd Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 7 Jan 2025 13:52:26 +0400 Subject: [PATCH 361/786] Switch CI to codecov/codecov-action and enable it on Windows. (#6609) --- .github/workflows/tests-macos.yml | 2 +- .github/workflows/tests-ubuntu.yml | 2 +- .github/workflows/tests-windows.yml | 3 +++ 3 files changed, 5 insertions(+), 2 deletions(-) diff --git a/.github/workflows/tests-macos.yml b/.github/workflows/tests-macos.yml index 9e78e26e3..c28a99982 100644 --- a/.github/workflows/tests-macos.yml +++ b/.github/workflows/tests-macos.yml @@ -27,4 +27,4 @@ jobs: tox -e py - name: Upload coverage report - run: bash <(curl -s https://codecov.io/bash) + uses: codecov/codecov-action@v5 diff --git a/.github/workflows/tests-ubuntu.yml b/.github/workflows/tests-ubuntu.yml index ab6794d3c..89d1e70ac 100644 --- a/.github/workflows/tests-ubuntu.yml +++ b/.github/workflows/tests-ubuntu.yml @@ -82,4 +82,4 @@ jobs: tox - name: Upload coverage report - run: bash <(curl -s https://codecov.io/bash) + uses: codecov/codecov-action@v5 diff --git a/.github/workflows/tests-windows.yml b/.github/workflows/tests-windows.yml index 67a32aac6..45e4ca157 100644 --- a/.github/workflows/tests-windows.yml +++ b/.github/workflows/tests-windows.yml @@ -44,3 +44,6 @@ jobs: run: | pip install -U tox tox + + - name: Upload coverage report + uses: codecov/codecov-action@v5 From 59fcb9b93c4971602b4a4afd4afdf08db7a7f2b7 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 7 Jan 2025 15:18:18 +0400 Subject: [PATCH 362/786] Improve internal refs to scrapy.Request and scrapy.Selector (#6526) * Improve internal refs to scrapy.Selector. * Improve internal refs to scrapy.Request. * More scrapy.http fixes. * Fix FormRequest refs. * More fixes. * Simplifications. * Last fixes. * Add the parsel intersphinx. --- docs/conf.py | 1 + docs/news.rst | 139 +++++++++++++------------- docs/topics/downloader-middleware.rst | 2 +- docs/topics/dynamic-content.rst | 5 +- docs/topics/exceptions.rst | 2 +- docs/topics/request-response.rst | 137 ++++++++++++------------- docs/topics/selectors.rst | 16 +-- scrapy/core/scheduler.py | 4 +- scrapy/http/request/__init__.py | 12 +-- scrapy/http/response/__init__.py | 8 +- scrapy/http/response/text.py | 14 +-- scrapy/loader/__init__.py | 4 +- scrapy/utils/request.py | 10 +- 13 files changed, 176 insertions(+), 178 deletions(-) diff --git a/docs/conf.py b/docs/conf.py index d06828bcc..fd8165db3 100644 --- a/docs/conf.py +++ b/docs/conf.py @@ -284,6 +284,7 @@ intersphinx_mapping = { "cryptography": ("https://cryptography.io/en/latest/", None), "cssselect": ("https://cssselect.readthedocs.io/en/latest", None), "itemloaders": ("https://itemloaders.readthedocs.io/en/latest/", None), + "parsel": ("https://parsel.readthedocs.io/en/latest/", None), "pytest": ("https://docs.pytest.org/en/latest", None), "python": ("https://docs.python.org/3", None), "sphinx": ("https://www.sphinx-doc.org/en/master", None), diff --git a/docs/news.rst b/docs/news.rst index 2bf65272f..924abb7a1 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -635,7 +635,7 @@ Bug fixes exception if ``default`` is ``None``. (:issue:`6308`, :issue:`6310`) -- :class:`~scrapy.selector.Selector` now uses +- :class:`~scrapy.Selector` now uses :func:`scrapy.utils.response.get_base_url` to determine the base URL of a given :class:`~scrapy.http.Response`. (:issue:`6265`) @@ -653,7 +653,7 @@ Documentation - Add a FAQ entry about :ref:`creating blank requests <faq-blank-request>`. (:issue:`6203`, :issue:`6208`) -- Document that :attr:`scrapy.selector.Selector.type` can be ``"json"``. +- Document that :attr:`scrapy.Selector.type` can be ``"json"``. (:issue:`6328`, :issue:`6334`) Quality assurance @@ -734,7 +734,7 @@ Documentation - Improved documentation for :class:`~scrapy.crawler.Crawler` initialization changes made in the 2.11.0 release. (:issue:`6057`, :issue:`6147`) -- Extended documentation for :attr:`Request.meta <scrapy.http.Request.meta>`. +- Extended documentation for :attr:`.Request.meta`. (:issue:`5565`) - Fixed the :reqmeta:`dont_merge_cookies` documentation. (:issue:`5936`, @@ -1095,7 +1095,7 @@ New features :setting:`RANDOMIZE_DOWNLOAD_DELAY` can now be set on a per-domain basis via the new :setting:`DOWNLOAD_SLOTS` setting. (:issue:`5328`) -- Added :meth:`TextResponse.jmespath`, a shortcut for JMESPath selectors +- Added :meth:`.TextResponse.jmespath`, a shortcut for JMESPath selectors available since parsel_ 1.8.1. (:issue:`5894`, :issue:`5915`) - Added :signal:`feed_slot_closed` and :signal:`feed_exporter_closed` @@ -1275,7 +1275,7 @@ New features avoid confusion. (:issue:`5717`, :issue:`5722`, :issue:`5727`) -- The ``callback`` parameter of :class:`~scrapy.http.Request` can now be set +- The ``callback`` parameter of :class:`~scrapy.Request` can now be set to :func:`scrapy.http.request.NO_CALLBACK`, to distinguish it from ``None``, as the latter indicates that the default spider callback (:meth:`~scrapy.Spider.parse`) is to be used. @@ -1772,17 +1772,17 @@ Highlights: Security bug fixes ~~~~~~~~~~~~~~~~~~ -- When a :class:`~scrapy.http.Request` object with cookies defined gets a - redirect response causing a new :class:`~scrapy.http.Request` object to be +- When a :class:`~scrapy.Request` object with cookies defined gets a + redirect response causing a new :class:`~scrapy.Request` object to be scheduled, the cookies defined in the original - :class:`~scrapy.http.Request` object are no longer copied into the new - :class:`~scrapy.http.Request` object. + :class:`~scrapy.Request` object are no longer copied into the new + :class:`~scrapy.Request` object. If you manually set the ``Cookie`` header on a - :class:`~scrapy.http.Request` object and the domain name of the redirect + :class:`~scrapy.Request` object and the domain name of the redirect URL is not an exact match for the domain of the URL of the original - :class:`~scrapy.http.Request` object, your ``Cookie`` header is now dropped - from the new :class:`~scrapy.http.Request` object. + :class:`~scrapy.Request` object, your ``Cookie`` header is now dropped + from the new :class:`~scrapy.Request` object. The old behavior could be exploited by an attacker to gain access to your cookies. Please, see the `cjvr-mfj7-j4j8 security advisory`_ for more @@ -1795,10 +1795,10 @@ Security bug fixes ``example.com`` and any subdomain) by defining the shared domain suffix (e.g. ``example.com``) as the cookie domain when defining your cookies. See the documentation of the - :class:`~scrapy.http.Request` class for more information. + :class:`~scrapy.Request` class for more information. - When the domain of a cookie, either received in the ``Set-Cookie`` header - of a response or defined in a :class:`~scrapy.http.Request` object, is set + of a response or defined in a :class:`~scrapy.Request` object, is set to a `public suffix <https://publicsuffix.org/>`_, the cookie is now ignored unless the cookie domain is the same as the request domain. @@ -1849,7 +1849,7 @@ Backward-incompatible changes meet expectations, :exc:`TypeError` is now raised at startup time. Before, other exceptions would be raised at run time. (:issue:`3559`) -- The ``_encoding`` field of serialized :class:`~scrapy.http.Request` objects +- The ``_encoding`` field of serialized :class:`~scrapy.Request` objects is now named ``encoding``, in line with all other fields (:issue:`5130`) @@ -1879,7 +1879,7 @@ Deprecations - :mod:`scrapy.utils.reqser` is deprecated. (:issue:`5130`) - Instead of :func:`~scrapy.utils.reqser.request_to_dict`, use the new - :meth:`Request.to_dict <scrapy.http.Request.to_dict>` method. + :meth:`.Request.to_dict` method. - Instead of :func:`~scrapy.utils.reqser.request_from_dict`, use the new :func:`scrapy.utils.request.request_from_dict` function. @@ -1984,9 +1984,9 @@ New features using ``queuelib`` 1.6.1 or later), the ``peek`` method raises :exc:`NotImplementedError`. -- :class:`~scrapy.http.Request` and :class:`~scrapy.http.Response` now have +- :class:`~scrapy.Request` and :class:`~scrapy.http.Response` now have an ``attributes`` attribute that makes subclassing easier. For - :class:`~scrapy.http.Request`, it also allows subclasses to work with + :class:`~scrapy.Request`, it also allows subclasses to work with :func:`scrapy.utils.request.request_from_dict`. (:issue:`1877`, :issue:`5130`, :issue:`5218`) @@ -2452,14 +2452,13 @@ Backward-incompatible changes ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * :class:`~scrapy.downloadermiddlewares.cookies.CookiesMiddleware` once again - discards cookies defined in :attr:`Request.headers - <scrapy.http.Request.headers>`. + discards cookies defined in :attr:`.Request.headers`. We decided to revert this bug fix, introduced in Scrapy 2.2.0, because it was reported that the current implementation could break existing code. If you need to set cookies for a request, use the :class:`Request.cookies - <scrapy.http.Request>` parameter. + <scrapy.Request>` parameter. A future version of Scrapy will include a new, better implementation of the reverted bug fix. @@ -2580,16 +2579,16 @@ New features :meth:`~scrapy.downloadermiddlewares.DownloaderMiddleware.process_response` or :meth:`~scrapy.downloadermiddlewares.DownloaderMiddleware.process_exception` - with a custom :class:`~scrapy.http.Request` object assigned to + with a custom :class:`~scrapy.Request` object assigned to :class:`response.request <scrapy.http.Response.request>`: - The response is handled by the callback of that custom - :class:`~scrapy.http.Request` object, instead of being handled by the - callback of the original :class:`~scrapy.http.Request` object + :class:`~scrapy.Request` object, instead of being handled by the + callback of the original :class:`~scrapy.Request` object - - That custom :class:`~scrapy.http.Request` object is now sent as the + - That custom :class:`~scrapy.Request` object is now sent as the ``request`` argument to the :signal:`response_received` signal, instead - of the original :class:`~scrapy.http.Request` object + of the original :class:`~scrapy.Request` object (:issue:`4529`, :issue:`4632`) @@ -2760,7 +2759,7 @@ New features * The :command:`parse` command now allows specifying an output file (:issue:`4317`, :issue:`4377`) -* :meth:`Request.from_curl <scrapy.http.Request.from_curl>` and +* :meth:`.Request.from_curl` and :func:`~scrapy.utils.curl.curl_to_request_kwargs` now also support ``--data-raw`` (:issue:`4612`) @@ -2776,7 +2775,7 @@ Bug fixes :ref:`dataclass items <dataclass-items>` and :ref:`attr.s items <attrs-items>` (:issue:`4667`, :issue:`4668`) -* :meth:`Request.from_curl <scrapy.http.Request.from_curl>` and +* :meth:`.Request.from_curl` and :func:`~scrapy.utils.curl.curl_to_request_kwargs` now set the request method to ``POST`` when a request body is specified and no request method is specified (:issue:`4612`) @@ -2861,8 +2860,7 @@ Backward-incompatible changes Deprecations ~~~~~~~~~~~~ -* :meth:`TextResponse.body_as_unicode - <scrapy.http.TextResponse.body_as_unicode>` is now deprecated, use +* ``TextResponse.body_as_unicode()`` is now deprecated, use :attr:`TextResponse.text <scrapy.http.TextResponse.text>` instead (:issue:`4546`, :issue:`4555`, :issue:`4579`) @@ -2901,9 +2899,8 @@ New features * :ref:`Link extractors <topics-link-extractors>` are now serializable, as long as you do not use :ref:`lambdas <lambda>` for parameters; for - example, you can now pass link extractors in :attr:`Request.cb_kwargs - <scrapy.http.Request.cb_kwargs>` or - :attr:`Request.meta <scrapy.http.Request.meta>` when :ref:`persisting + example, you can now pass link extractors in :attr:`.Request.cb_kwargs` + or :attr:`.Request.meta` when :ref:`persisting scheduled requests <topics-jobs>` (:issue:`4554`) * Upgraded the :ref:`pickle protocol <pickle-protocols>` that Scrapy uses @@ -2922,11 +2919,11 @@ Bug fixes * :class:`~scrapy.downloadermiddlewares.cookies.CookiesMiddleware` no longer discards cookies defined in :attr:`Request.headers - <scrapy.http.Request.headers>` (:issue:`1992`, :issue:`2400`) + <scrapy.Request.headers>` (:issue:`1992`, :issue:`2400`) * :class:`~scrapy.downloadermiddlewares.cookies.CookiesMiddleware` no longer re-encodes cookies defined as :class:`bytes` in the ``cookies`` parameter - of the ``__init__`` method of :class:`~scrapy.http.Request` + of the ``__init__`` method of :class:`~scrapy.Request` (:issue:`2400`, :issue:`3575`) * When :setting:`FEEDS` defines multiple URIs, :setting:`FEED_STORE_EMPTY` is @@ -2935,7 +2932,7 @@ Bug fixes * :class:`~scrapy.spiders.Spider` callbacks defined using :doc:`coroutine syntax <topics/coroutines>` no longer need to return an iterable, and may - instead return a :class:`~scrapy.http.Request` object, an + instead return a :class:`~scrapy.Request` object, an :ref:`item <topics-items>`, or ``None`` (:issue:`4609`) * The :command:`startproject` command now ensures that the generated project @@ -2976,8 +2973,8 @@ Documentation :issue:`4587`) * The display-on-hover behavior of internal documentation references now also - covers links to :ref:`commands <topics-commands>`, :attr:`Request.meta - <scrapy.http.Request.meta>` keys, :ref:`settings <topics-settings>` and + covers links to :ref:`commands <topics-commands>`, :attr:`.Request.meta` + keys, :ref:`settings <topics-settings>` and :ref:`signals <topics-signals>` (:issue:`4495`, :issue:`4563`) * It is again possible to download the documentation for offline reading @@ -3262,7 +3259,7 @@ Deprecation removals ~~~~~~~~~~~~~~~~~~~~ * The :ref:`Scrapy shell <topics-shell>` no longer provides a `sel` proxy - object, use :meth:`response.selector <scrapy.http.Response.selector>` + object, use :meth:`response.selector <scrapy.http.TextResponse.selector>` instead (:issue:`4347`) * LevelDB support has been removed (:issue:`4112`) @@ -3332,10 +3329,10 @@ New features * The new :attr:`Response.cb_kwargs <scrapy.http.Response.cb_kwargs>` attribute serves as a shortcut for :attr:`Response.request.cb_kwargs - <scrapy.http.Request.cb_kwargs>` (:issue:`4331`) + <scrapy.Request.cb_kwargs>` (:issue:`4331`) * :meth:`Response.follow <scrapy.http.Response.follow>` now supports a - ``flags`` parameter, for consistency with :class:`~scrapy.http.Request` + ``flags`` parameter, for consistency with :class:`~scrapy.Request` (:issue:`4277`, :issue:`4279`) * :ref:`Item loader processors <topics-loaders-processors>` can now be @@ -3344,7 +3341,7 @@ New features * :class:`~scrapy.spiders.Rule` now accepts an ``errback`` parameter (:issue:`4000`) -* :class:`~scrapy.http.Request` no longer requires a ``callback`` parameter +* :class:`~scrapy.Request` no longer requires a ``callback`` parameter when an ``errback`` parameter is specified (:issue:`3586`, :issue:`4008`) * :class:`~scrapy.logformatter.LogFormatter` now supports some additional @@ -3416,7 +3413,7 @@ Bug fixes * Redirects to URLs starting with 3 slashes (``///``) are now supported (:issue:`4032`, :issue:`4042`) -* :class:`~scrapy.http.Request` no longer accepts strings as ``url`` simply +* :class:`~scrapy.Request` no longer accepts strings as ``url`` simply because they have a colon (:issue:`2552`, :issue:`4094`) * The correct encoding is now used for attach names in @@ -3462,7 +3459,7 @@ Documentation using :class:`~scrapy.crawler.CrawlerProcess` (:issue:`2149`, :issue:`2352`, :issue:`3146`, :issue:`3960`) -* Clarified the requirements for :class:`~scrapy.http.Request` objects +* Clarified the requirements for :class:`~scrapy.Request` objects :ref:`when using persistence <request-serialization>` (:issue:`4124`, :issue:`4139`) @@ -3731,17 +3728,17 @@ Scrapy 1.8.2 (2022-03-01) **Security bug fixes:** -- When a :class:`~scrapy.http.Request` object with cookies defined gets a - redirect response causing a new :class:`~scrapy.http.Request` object to be +- When a :class:`~scrapy.Request` object with cookies defined gets a + redirect response causing a new :class:`~scrapy.Request` object to be scheduled, the cookies defined in the original - :class:`~scrapy.http.Request` object are no longer copied into the new - :class:`~scrapy.http.Request` object. + :class:`~scrapy.Request` object are no longer copied into the new + :class:`~scrapy.Request` object. If you manually set the ``Cookie`` header on a - :class:`~scrapy.http.Request` object and the domain name of the redirect + :class:`~scrapy.Request` object and the domain name of the redirect URL is not an exact match for the domain of the URL of the original - :class:`~scrapy.http.Request` object, your ``Cookie`` header is now dropped - from the new :class:`~scrapy.http.Request` object. + :class:`~scrapy.Request` object, your ``Cookie`` header is now dropped + from the new :class:`~scrapy.Request` object. The old behavior could be exploited by an attacker to gain access to your cookies. Please, see the `cjvr-mfj7-j4j8 security advisory`_ for more @@ -3754,10 +3751,10 @@ Scrapy 1.8.2 (2022-03-01) ``example.com`` and any subdomain) by defining the shared domain suffix (e.g. ``example.com``) as the cookie domain when defining your cookies. See the documentation of the - :class:`~scrapy.http.Request` class for more information. + :class:`~scrapy.Request` class for more information. - When the domain of a cookie, either received in the ``Set-Cookie`` header - of a response or defined in a :class:`~scrapy.http.Request` object, is set + of a response or defined in a :class:`~scrapy.Request` object, is set to a `public suffix <https://publicsuffix.org/>`_, the cookie is now ignored unless the cookie domain is the same as the request domain. @@ -3815,7 +3812,7 @@ Highlights: * Dropped Python 3.4 support and updated minimum requirements; made Python 3.8 support official -* New :meth:`Request.from_curl <scrapy.http.Request.from_curl>` class method +* New :meth:`.Request.from_curl` class method * New :setting:`ROBOTSTXT_PARSER` and :setting:`ROBOTSTXT_USER_AGENT` settings * New :setting:`DOWNLOADER_CLIENT_TLS_CIPHERS` and :setting:`DOWNLOADER_CLIENT_TLS_VERBOSE_LOGGING` settings @@ -3869,7 +3866,7 @@ See also :ref:`1.8-deprecation-removals` below. New features ~~~~~~~~~~~~ -* A new :meth:`Request.from_curl <scrapy.http.Request.from_curl>` class +* A new :meth:`Request.from_curl <scrapy.Request.from_curl>` class method allows :ref:`creating a request from a cURL command <requests-from-curl>` (:issue:`2985`, :issue:`3862`) @@ -3898,9 +3895,8 @@ New features ``True`` to enable debug-level messages about TLS connection parameters after establishing HTTPS connections (:issue:`2111`, :issue:`3450`) -* Callbacks that receive keyword arguments - (see :attr:`Request.cb_kwargs <scrapy.http.Request.cb_kwargs>`) can now be - tested using the new :class:`@cb_kwargs +* Callbacks that receive keyword arguments (see :attr:`.Request.cb_kwargs`) + can now be tested using the new :class:`@cb_kwargs <scrapy.contracts.default.CallbackKeywordArgumentsContract>` :ref:`spider contract <topics-contracts>` (:issue:`3985`, :issue:`3988`) @@ -4089,7 +4085,7 @@ Backward-incompatible changes * Non-default values for the :setting:`SCHEDULER_PRIORITY_QUEUE` setting may stop working. Scheduler priority queue classes now need to handle - :class:`~scrapy.http.Request` objects instead of arbitrary Python data + :class:`~scrapy.Request` objects instead of arbitrary Python data structures. * An additional ``crawler`` parameter has been added to the ``__init__`` @@ -4111,7 +4107,7 @@ New features scheduling improvement on crawls targeting multiple web domains, at the cost of no :setting:`CONCURRENT_REQUESTS_PER_IP` support (:issue:`3520`) -* A new :attr:`Request.cb_kwargs <scrapy.http.Request.cb_kwargs>` attribute +* A new :attr:`.Request.cb_kwargs` attribute provides a cleaner way to pass keyword arguments to callback methods (:issue:`1138`, :issue:`3563`) @@ -4192,7 +4188,7 @@ Bug fixes * Requests with private callbacks are now correctly unserialized from disk (:issue:`3790`) -* :meth:`FormRequest.from_response() <scrapy.http.FormRequest.from_response>` +* :meth:`.FormRequest.from_response` now handles invalid methods like major web browsers (:issue:`3777`, :issue:`3794`) @@ -4272,13 +4268,13 @@ The following deprecated APIs have been removed (:issue:`3578`): * From both ``scrapy.selector`` and ``scrapy.selector.lxmlsel``: - * ``HtmlXPathSelector`` (use :class:`~scrapy.selector.Selector`) + * ``HtmlXPathSelector`` (use :class:`~scrapy.Selector`) - * ``XmlXPathSelector`` (use :class:`~scrapy.selector.Selector`) + * ``XmlXPathSelector`` (use :class:`~scrapy.Selector`) - * ``XPathSelector`` (use :class:`~scrapy.selector.Selector`) + * ``XPathSelector`` (use :class:`~scrapy.Selector`) - * ``XPathSelectorList`` (use :class:`~scrapy.selector.Selector`) + * ``XPathSelectorList`` (use :class:`~scrapy.Selector`) * From ``scrapy.selector.csstranslator``: @@ -4288,7 +4284,7 @@ The following deprecated APIs have been removed (:issue:`3578`): * ``ScrapyXPathExpr`` (use parsel.csstranslator.XPathExpr_) -* From :class:`~scrapy.selector.Selector`: +* From :class:`~scrapy.Selector`: * ``_root`` (both the ``__init__`` method argument and the object property, use ``root``) @@ -4818,7 +4814,7 @@ New Features (:issue:`2535`) - New :ref:`response.follow <response-follow-example>` shortcut for creating requests (:issue:`1940`) -- Added ``flags`` argument and attribute to :class:`Request <scrapy.http.Request>` +- Added ``flags`` argument and attribute to :class:`~scrapy.Request` objects (:issue:`2047`) - Support Anonymous FTP (:issue:`2342`) - Added ``retry/count``, ``retry/max_reached`` and ``retry/reason_count/<reason>`` @@ -4860,7 +4856,7 @@ Bug fixes - LinkExtractor now strips leading and trailing whitespaces from attributes (:issue:`2547`, fixes :issue:`1614`) - Properly handle whitespaces in action attribute in - :class:`~scrapy.http.FormRequest` (:issue:`2548`) + :class:`~scrapy.FormRequest` (:issue:`2548`) - Buffer CONNECT response bytes from proxy until all HTTP headers are received (:issue:`2495`, fixes :issue:`2491`) - FTP downloader now works on Python 3, provided you use Twisted>=17.1 @@ -4902,8 +4898,7 @@ Documentation ~~~~~~~~~~~~~ - Binary mode is required for exporters (:issue:`2564`, fixes :issue:`2553`) -- Mention issue with :meth:`FormRequest.from_response - <scrapy.http.FormRequest.from_response>` due to bug in lxml (:issue:`2572`) +- Mention issue with :meth:`.FormRequest.from_response` due to bug in lxml (:issue:`2572`) - Use single quotes uniformly in templates (:issue:`2596`) - Document :reqmeta:`ftp_user` and :reqmeta:`ftp_password` meta keys (:issue:`2587`) - Removed section on deprecated ``contrib/`` (:issue:`2636`) @@ -5442,7 +5437,7 @@ Bugfixes - Support empty password for http_proxy config (:issue:`1274`). - Interpret ``application/x-json`` as ``TextResponse`` (:issue:`1333`). - Support link rel attribute with multiple values (:issue:`1201`). -- Fixed ``scrapy.http.FormRequest.from_response`` when there is a ``<base>`` +- Fixed ``scrapy.FormRequest.from_response`` when there is a ``<base>`` tag (:issue:`1564`). - Fixed :setting:`TEMPLATES_DIR` handling (:issue:`1575`). - Various ``FormRequest`` fixes (:issue:`1595`, :issue:`1596`, :issue:`1597`). @@ -6369,7 +6364,7 @@ Scrapy 0.18.0 (released 2013-08-09) - Moved persistent (on disk) queues to a separate project (queuelib_) which Scrapy now depends on - Add Scrapy commands using external libraries (:issue:`260`) - Added ``--pdb`` option to ``scrapy`` command line tool -- Added :meth:`XPathSelector.remove_namespaces <scrapy.selector.Selector.remove_namespaces>` which allows to remove all namespaces from XML documents for convenience (to work with namespace-less XPaths). Documented in :ref:`topics-selectors`. +- Added :meth:`XPathSelector.remove_namespaces <scrapy.Selector.remove_namespaces>` which allows to remove all namespaces from XML documents for convenience (to work with namespace-less XPaths). Documented in :ref:`topics-selectors`. - Several improvements to spider contracts - New default middleware named MetaRefreshMiddleware that handles meta-refresh html tag redirections, - MetaRefreshMiddleware and RedirectMiddleware have different priorities to address #62 diff --git a/docs/topics/downloader-middleware.rst b/docs/topics/downloader-middleware.rst index 11a3fcb94..af7885a45 100644 --- a/docs/topics/downloader-middleware.rst +++ b/docs/topics/downloader-middleware.rst @@ -80,7 +80,7 @@ object gives you access, for example, to the :ref:`settings <topics-settings>`. middleware. :meth:`process_request` should either: return ``None``, return a - :class:`~scrapy.Response` object, return a :class:`~scrapy.http.Request` + :class:`~scrapy.http.Response` object, return a :class:`~scrapy.Request` object, or raise :exc:`~scrapy.exceptions.IgnoreRequest`. If it returns ``None``, Scrapy will continue processing this request, executing all diff --git a/docs/topics/dynamic-content.rst b/docs/topics/dynamic-content.rst index 75d980835..801f6d06d 100644 --- a/docs/topics/dynamic-content.rst +++ b/docs/topics/dynamic-content.rst @@ -117,7 +117,8 @@ data from it depends on the type of response: - If the response is HTML, XML or JSON, use :ref:`selectors <topics-selectors>` as usual. -- If the response is JSON, use :func:`response.json()` to load the desired data: +- If the response is JSON, use :func:`response.json() + <scrapy.http.TextResponse.json>` to load the desired data: .. code-block:: python @@ -143,7 +144,7 @@ data from it depends on the type of response: - If the response is an image or another format based on images (e.g. PDF), read the response as bytes from - :attr:`response.body <scrapy.http.TextResponse.body>` and use an OCR + :attr:`response.body <scrapy.http.Response.body>` and use an OCR solution to extract the desired data as text. For example, you can use pytesseract_. To read a table from a PDF, diff --git a/docs/topics/exceptions.rst b/docs/topics/exceptions.rst index ea64edbe6..0b572ff95 100644 --- a/docs/topics/exceptions.rst +++ b/docs/topics/exceptions.rst @@ -105,7 +105,7 @@ response: In both cases, the response could have its body truncated: the body contains all bytes received up until the exception is raised, including the bytes received in the signal handler that raises the exception. Also, the response -object is marked with ``"download_stopped"`` in its :attr:`Response.flags` +object is marked with ``"download_stopped"`` in its :attr:`~scrapy.http.Response.flags` attribute. .. note:: ``fail`` is a keyword-only parameter, i.e. raising diff --git a/docs/topics/request-response.rst b/docs/topics/request-response.rst index 710e2e131..1bb1a10a4 100644 --- a/docs/topics/request-response.rst +++ b/docs/topics/request-response.rst @@ -7,15 +7,15 @@ Requests and Responses .. module:: scrapy.http :synopsis: Request and Response classes -Scrapy uses :class:`Request` and :class:`Response` objects for crawling web +Scrapy uses :class:`~scrapy.Request` and :class:`Response` objects for crawling web sites. -Typically, :class:`Request` objects are generated in the spiders and pass +Typically, :class:`~scrapy.Request` objects are generated in the spiders and pass across the system until they reach the Downloader, which executes the request and returns a :class:`Response` object which travels back to the spider that issued the request. -Both :class:`Request` and :class:`Response` classes have subclasses which add +Both :class:`~scrapy.Request` and :class:`Response` classes have subclasses which add functionality not required in the base classes. These are described below in :ref:`topics-request-response-ref-request-subclasses` and :ref:`topics-request-response-ref-response-subclasses`. @@ -24,7 +24,7 @@ below in :ref:`topics-request-response-ref-request-subclasses` and Request objects =============== -.. autoclass:: Request +.. autoclass:: scrapy.Request :param url: the URL of this request @@ -52,7 +52,7 @@ Request objects :param method: the HTTP method of this request. Defaults to ``'GET'``. :type method: str - :param meta: the initial values for the :attr:`Request.meta` attribute. If + :param meta: the initial values for the :attr:`.Request.meta` attribute. If given, the dict passed in this parameter will be shallow copied. :type meta: dict @@ -67,10 +67,10 @@ Request objects (for single valued headers) or lists (for multi-valued headers). If ``None`` is passed as value, the HTTP header will not be sent at all. - .. caution:: Cookies set via the ``Cookie`` header are not considered by the - :ref:`cookies-mw`. If you need to set cookies for a request, use the - :class:`Request.cookies <scrapy.Request>` parameter. This is a known - current limitation that is being worked on. + .. caution:: Cookies set via the ``Cookie`` header are not considered by the + :ref:`cookies-mw`. If you need to set cookies for a request, use the + ``cookies`` argument. This is a known current limitation that is being + worked on. :type headers: dict @@ -124,7 +124,7 @@ Request objects .. caution:: Cookies set via the ``Cookie`` header are not considered by the :ref:`cookies-mw`. If you need to set cookies for a request, use the - :class:`Request.cookies <scrapy.Request>` parameter. This is a known + :class:`scrapy.Request.cookies <scrapy.Request>` parameter. This is a known current limitation that is being worked on. .. versionadded:: 2.6.0 @@ -172,7 +172,7 @@ Request objects A string containing the URL of this request. Keep in mind that this attribute contains the escaped URL, so it can differ from the URL passed in - the ``__init__`` method. + the ``__init__()`` method. This attribute is read-only. To change the URL of a Request use :meth:`replace`. @@ -184,7 +184,8 @@ Request objects .. attribute:: Request.headers - A dictionary-like object which contains the request headers. + A dictionary-like (:class:`scrapy.http.headers.Headers`) object which contains + the request headers. .. attribute:: Request.body @@ -240,8 +241,8 @@ Request objects A dictionary that contains arbitrary metadata for this request. Its contents will be passed to the Request's callback as keyword arguments. It is empty - for new Requests, which means by default callbacks only get a :class:`Response` - object as argument. + for new Requests, which means by default callbacks only get a + :class:`~scrapy.http.Response` object as argument. This dict is :doc:`shallow copied <library/copy>` when the request is cloned using the ``copy()`` or ``replace()`` methods, and can also be @@ -262,7 +263,7 @@ Request objects Return a Request object with the same members, except for those members given new values by whichever keyword arguments are specified. The - :attr:`Request.cb_kwargs` and :attr:`Request.meta` attributes are shallow + :attr:`~scrapy.Request.cb_kwargs` and :attr:`~scrapy.Request.meta` attributes are shallow copied by default (unless new values are given as arguments). See also :ref:`topics-request-response-ref-request-callback-arguments`. @@ -305,7 +306,7 @@ Example: In some cases you may be interested in passing arguments to those callback functions so you can receive the arguments later, in the second callback. The following example shows how to achieve this by using the -:attr:`Request.cb_kwargs` attribute: +:attr:`.Request.cb_kwargs` attribute: .. code-block:: python @@ -326,10 +327,10 @@ The following example shows how to achieve this by using the foo=foo, ) -.. caution:: :attr:`Request.cb_kwargs` was introduced in version ``1.7``. - Prior to that, using :attr:`Request.meta` was recommended for passing - information around callbacks. After ``1.7``, :attr:`Request.cb_kwargs` - became the preferred way for handling user information, leaving :attr:`Request.meta` +.. caution:: :attr:`.Request.cb_kwargs` was introduced in version ``1.7``. + Prior to that, using :attr:`.Request.meta` was recommended for passing + information around callbacks. After ``1.7``, :attr:`.Request.cb_kwargs` + became the preferred way for handling user information, leaving :attr:`.Request.meta` for communication with components like middlewares and extensions. .. _topics-request-response-ref-errbacks: @@ -441,7 +442,7 @@ Request fingerprints There are some aspects of scraping, such as filtering out duplicate requests (see :setting:`DUPEFILTER_CLASS`) or caching responses (see :setting:`HTTPCACHE_POLICY`), where you need the ability to generate a short, -unique identifier from a :class:`~scrapy.http.Request` object: a request +unique identifier from a :class:`~scrapy.Request` object: a request fingerprint. You often do not need to worry about request fingerprints, the default request @@ -486,7 +487,7 @@ A request fingerprinter is a class that must implement the following method: See also :ref:`request-fingerprint-restrictions`. :param request: request to fingerprint - :type request: scrapy.http.Request + :type request: scrapy.Request Additionally, it may also implement the following method: @@ -566,7 +567,7 @@ URL canonicalization or taking the request method or body into account: If you need to be able to override the request fingerprinting for arbitrary requests from your spider callbacks, you may implement a request fingerprinter -that reads fingerprints from :attr:`request.meta <scrapy.http.Request.meta>` +that reads fingerprints from :attr:`request.meta <scrapy.Request.meta>` when available, and then falls back to :func:`scrapy.utils.request.fingerprint`. For example: @@ -581,10 +582,8 @@ when available, and then falls back to return request.meta["fingerprint"] return fingerprint(request) -If you need to reproduce the same fingerprinting algorithm as Scrapy 2.6 -without using the deprecated ``'2.6'`` value of the -:setting:`REQUEST_FINGERPRINTER_IMPLEMENTATION` setting, use the following -request fingerprinter: +If you need to reproduce the same fingerprinting algorithm as Scrapy 2.6, use +the following request fingerprinter: .. code-block:: python @@ -628,7 +627,7 @@ The following built-in Scrapy components have such restrictions: :setting:`HTTPCACHE_DIR` also apply. Inside :setting:`HTTPCACHE_DIR`, the following directory structure is created: - - :attr:`Spider.name <scrapy.spiders.Spider.name>` + - :attr:`.Spider.name` - first byte of a request fingerprint as hexadecimal @@ -656,7 +655,7 @@ The following built-in Scrapy components have such restrictions: Request.meta special keys ========================= -The :attr:`Request.meta` attribute can contain any arbitrary data, but there +The :attr:`.Request.meta` attribute can contain any arbitrary data, but there are some special keys recognized by Scrapy and its built-in extensions. Those are: @@ -780,24 +779,25 @@ call their callback instead, like in this example, pass ``fail=False`` to the Request subclasses ================== -Here is the list of built-in :class:`Request` subclasses. You can also subclass +Here is the list of built-in :class:`~scrapy.Request` subclasses. You can also subclass it to implement your own custom functionality. FormRequest objects ------------------- -The FormRequest class extends the base :class:`Request` with functionality for +The FormRequest class extends the base :class:`~scrapy.Request` with functionality for dealing with HTML forms. It uses `lxml.html forms`_ to pre-populate form fields with form data from :class:`Response` objects. .. _lxml.html forms: https://lxml.de/lxmlhtml.html#forms -.. class:: scrapy.http.request.form.FormRequest -.. class:: scrapy.http.FormRequest -.. class:: scrapy.FormRequest(url, [formdata, ...]) +.. currentmodule:: None - The :class:`FormRequest` class adds a new keyword parameter to the ``__init__`` method. The - remaining arguments are the same as for the :class:`Request` class and are +.. class:: scrapy.FormRequest(url, [formdata, ...]) + :canonical: scrapy.http.request.form.FormRequest + + The :class:`~scrapy.FormRequest` class adds a new keyword parameter to the ``__init__()`` method. The + remaining arguments are the same as for the :class:`~scrapy.Request` class and are not documented here. :param formdata: is a dictionary (or iterable of (key, value) tuples) @@ -805,12 +805,12 @@ fields with form data from :class:`Response` objects. body of the request. :type formdata: dict or collections.abc.Iterable - The :class:`FormRequest` objects support the following class method in - addition to the standard :class:`Request` methods: + The :class:`~scrapy.FormRequest` objects support the following class method in + addition to the standard :class:`~scrapy.Request` methods: - .. classmethod:: FormRequest.from_response(response, [formname=None, formid=None, formnumber=0, formdata=None, formxpath=None, formcss=None, clickdata=None, dont_click=False, ...]) + .. classmethod:: from_response(response, [formname=None, formid=None, formnumber=0, formdata=None, formxpath=None, formcss=None, clickdata=None, dont_click=False, ...]) - Returns a new :class:`FormRequest` object with its form field values + Returns a new :class:`~scrapy.FormRequest` object with its form field values pre-populated with those found in the HTML ``<form>`` element contained in the given response. For an example see :ref:`topics-request-response-ref-request-userlogin`. @@ -832,7 +832,7 @@ fields with form data from :class:`Response` objects. :param response: the response containing a HTML form which will be used to pre-populate the form fields - :type response: :class:`Response` object + :type response: :class:`~scrapy.http.Response` object :param formname: if given, the form with name attribute set to this value will be used. :type formname: str @@ -869,7 +869,9 @@ fields with form data from :class:`Response` objects. :type dont_click: bool The other parameters of this class method are passed directly to the - :class:`FormRequest` ``__init__`` method. + :class:`~scrapy.FormRequest` ``__init__()`` method. + +.. currentmodule:: scrapy.http Request usage examples ---------------------- @@ -878,7 +880,7 @@ Using FormRequest to send data via HTTP POST ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ If you want to simulate a HTML Form POST in your spider and send a couple of -key-value fields, you can return a :class:`FormRequest` object (from your +key-value fields, you can return a :class:`~scrapy.FormRequest` object (from your spider) like this: .. skip: next @@ -901,7 +903,7 @@ It is usual for web sites to provide pre-populated form fields through ``<input type="hidden">`` elements, such as session related data or authentication tokens (for login pages). When scraping, you'll want these fields to be automatically pre-populated and only override a couple of them, such as the -user name and password. You can use the :meth:`FormRequest.from_response` +user name and password. You can use the :meth:`.FormRequest.from_response()` method for this job. Here's an example spider which uses it: .. code-block:: python @@ -936,21 +938,22 @@ method for this job. Here's an example spider which uses it: JsonRequest ----------- -The JsonRequest class extends the base :class:`Request` class with functionality for +The JsonRequest class extends the base :class:`~scrapy.Request` class with functionality for dealing with JSON requests. .. class:: JsonRequest(url, [... data, dumps_kwargs]) - The :class:`JsonRequest` class adds two new keyword parameters to the ``__init__`` method. The - remaining arguments are the same as for the :class:`Request` class and are + The :class:`JsonRequest` class adds two new keyword parameters to the ``__init__()`` method. The + remaining arguments are the same as for the :class:`~scrapy.Request` class and are not documented here. Using the :class:`JsonRequest` will set the ``Content-Type`` header to ``application/json`` and ``Accept`` header to ``application/json, text/javascript, */*; q=0.01`` :param data: is any JSON serializable object that needs to be JSON encoded and assigned to body. - if :attr:`Request.body` argument is provided this parameter will be ignored. - if :attr:`Request.body` argument is not provided and data argument is provided :attr:`Request.method` will be + If the :attr:`~scrapy.Request.body` argument is provided this parameter will be ignored. + If the :attr:`~scrapy.Request.body` argument is not provided and the + ``data`` argument is provided the :attr:`~scrapy.Request.method` will be set to ``'POST'`` automatically. :type data: object @@ -1002,7 +1005,7 @@ Response objects :type flags: list :param request: the initial value of the :attr:`Response.request` attribute. - This represents the :class:`Request` that generated this response. + This represents the :class:`~scrapy.Request` that generated this response. :type request: scrapy.Request :param certificate: an object representing the server's SSL certificate. @@ -1038,11 +1041,12 @@ Response objects .. attribute:: Response.headers - A dictionary-like object which contains the response headers. Values can - be accessed using :meth:`get` to return the first header value with the - specified name or :meth:`getlist` to return all header values with the - specified name. For example, this call will give you all cookies in the - headers:: + A dictionary-like (:class:`scrapy.http.headers.Headers`) object which contains + the response headers. Values can be accessed using + :meth:`~scrapy.http.headers.Headers.get` to return the first header value with + the specified name or :meth:`~scrapy.http.headers.Headers.getlist` to return + all header values with the specified name. For example, this call will give you + all cookies in the headers:: response.headers.getlist('Set-Cookie') @@ -1058,7 +1062,7 @@ Response objects .. attribute:: Response.request - The :class:`Request` object that generated this response. This attribute is + The :class:`~scrapy.Request` object that generated this response. This attribute is assigned in the Scrapy engine, after the response and the request have passed through all :ref:`Downloader Middlewares <topics-downloader-middleware>`. In particular, this means that: @@ -1077,34 +1081,33 @@ Response objects .. attribute:: Response.meta - A shortcut to the :attr:`Request.meta` attribute of the + A shortcut to the :attr:`~scrapy.Request.meta` attribute of the :attr:`Response.request` object (i.e. ``self.request.meta``). Unlike the :attr:`Response.request` attribute, the :attr:`Response.meta` attribute is propagated along redirects and retries, so you will get - the original :attr:`Request.meta` sent from your spider. + the original :attr:`.Request.meta` sent from your spider. - .. seealso:: :attr:`Request.meta` attribute + .. seealso:: :attr:`.Request.meta` attribute .. attribute:: Response.cb_kwargs .. versionadded:: 2.0 - A shortcut to the :attr:`Request.cb_kwargs` attribute of the + A shortcut to the :attr:`~scrapy.Request.cb_kwargs` attribute of the :attr:`Response.request` object (i.e. ``self.request.cb_kwargs``). Unlike the :attr:`Response.request` attribute, the :attr:`Response.cb_kwargs` attribute is propagated along redirects and - retries, so you will get the original :attr:`Request.cb_kwargs` sent - from your spider. + retries, so you will get the original :attr:`.Request.cb_kwargs` sent from your spider. - .. seealso:: :attr:`Request.cb_kwargs` attribute + .. seealso:: :attr:`.Request.cb_kwargs` attribute .. attribute:: Response.flags A list that contains flags for this response. Flags are labels used for tagging Responses. For example: ``'cached'``, ``'redirected``', etc. And - they're shown on the string representation of the Response (`__str__` + they're shown on the string representation of the Response (``__str__()`` method) which is used by the engine for logging. .. attribute:: Response.certificate @@ -1181,7 +1184,7 @@ TextResponse objects :class:`Response` class, which is meant to be used only for binary data, such as images, sounds or any media file. - :class:`TextResponse` objects support a new ``__init__`` method argument, in + :class:`TextResponse` objects support a new ``__init__()`` method argument, in addition to the base :class:`Response` objects. The remaining functionality is the same as for the :class:`Response` class and is not documented here. @@ -1219,7 +1222,7 @@ TextResponse objects A string with the encoding of this response. The encoding is resolved by trying the following mechanisms, in order: - 1. the encoding passed in the ``__init__`` method ``encoding`` argument + 1. the encoding passed in the ``__init__()`` method ``encoding`` argument 2. the encoding declared in the Content-Type HTTP header. If this encoding is not valid (i.e. unknown), it is ignored and the next @@ -1273,7 +1276,7 @@ TextResponse objects Constructs an absolute url by combining the Response's base url with a possible relative url. The base url shall be extracted from the - ``<base>`` tag, or just the Response's :attr:`url` if there is no such + ``<base>`` tag, or just :attr:`Response.url` if there is no such tag. diff --git a/docs/topics/selectors.rst b/docs/topics/selectors.rst index 202b0823a..b95e6eab3 100644 --- a/docs/topics/selectors.rst +++ b/docs/topics/selectors.rst @@ -777,7 +777,7 @@ Removing namespaces When dealing with scraping projects, it is often quite convenient to get rid of namespaces altogether and just work with element names, to write more simple/convenient XPaths. You can use the -:meth:`Selector.remove_namespaces` method for that. +:meth:`.Selector.remove_namespaces` method for that. Let's show an example that illustrates this with the Python Insider blog atom feed. @@ -814,7 +814,7 @@ doesn't work (because the Atom XML namespace is obfuscating those nodes): >>> response.xpath("//link") [] -But once we call the :meth:`Selector.remove_namespaces` method, all +But once we call the :meth:`.Selector.remove_namespaces` method, all nodes can be accessed directly by their names: .. code-block:: pycon @@ -1046,7 +1046,7 @@ Built-in Selectors reference Selector objects ---------------- -.. autoclass:: Selector +.. autoclass:: scrapy.Selector .. automethod:: xpath @@ -1126,8 +1126,8 @@ Examples Selector examples on HTML response ---------------------------------- -Here are some :class:`Selector` examples to illustrate several concepts. -In all cases, we assume there is already a :class:`Selector` instantiated with +Here are some :class:`~scrapy.Selector` examples to illustrate several concepts. +In all cases, we assume there is already a :class:`~scrapy.Selector` instantiated with a :class:`~scrapy.http.HtmlResponse` object like this: .. code-block:: python @@ -1135,7 +1135,7 @@ a :class:`~scrapy.http.HtmlResponse` object like this: sel = Selector(html_response) 1. Select all ``<h1>`` elements from an HTML response body, returning a list of - :class:`Selector` objects (i.e. a :class:`SelectorList` object): + :class:`~scrapy.Selector` objects (i.e. a :class:`SelectorList` object): .. code-block:: python @@ -1165,7 +1165,7 @@ Selector examples on XML response .. skip: start -Here are some examples to illustrate concepts for :class:`Selector` objects +Here are some examples to illustrate concepts for :class:`~scrapy.Selector` objects instantiated with an :class:`~scrapy.http.XmlResponse` object: .. code-block:: python @@ -1173,7 +1173,7 @@ instantiated with an :class:`~scrapy.http.XmlResponse` object: sel = Selector(xml_response) 1. Select all ``<product>`` elements from an XML response body, returning a list - of :class:`Selector` objects (i.e. a :class:`SelectorList` object): + of :class:`~scrapy.Selector` objects (i.e. a :class:`SelectorList` object): .. code-block:: python diff --git a/scrapy/core/scheduler.py b/scrapy/core/scheduler.py index fcc94879a..4bb143dfd 100644 --- a/scrapy/core/scheduler.py +++ b/scrapy/core/scheduler.py @@ -115,7 +115,7 @@ class BaseScheduler(metaclass=BaseSchedulerMeta): @abstractmethod def next_request(self) -> Request | None: """ - Return the next :class:`~scrapy.http.Request` to be processed, or ``None`` + Return the next :class:`~scrapy.Request` to be processed, or ``None`` to indicate that there are no requests to be considered ready at the moment. Returning ``None`` implies that no request from the scheduler will be sent @@ -263,7 +263,7 @@ class Scheduler(BaseScheduler): def next_request(self) -> Request | None: """ - Return a :class:`~scrapy.http.Request` object from the memory queue, + Return a :class:`~scrapy.Request` object from the memory queue, falling back to the disk queue if the memory queue is empty. Return ``None`` if there are no more enqueued requests. diff --git a/scrapy/http/request/__init__.py b/scrapy/http/request/__init__.py index 3d6cf4816..4eee5ffbb 100644 --- a/scrapy/http/request/__init__.py +++ b/scrapy/http/request/__init__.py @@ -59,7 +59,7 @@ RequestTypeVar = TypeVar("RequestTypeVar", bound="Request") def NO_CALLBACK(*args: Any, **kwargs: Any) -> NoReturn: """When assigned to the ``callback`` parameter of - :class:`~scrapy.http.Request`, it indicates that the request is not meant + :class:`~scrapy.Request`, it indicates that the request is not meant to have a spider callback at all. For example: @@ -83,7 +83,7 @@ def NO_CALLBACK(*args: Any, **kwargs: Any) -> NoReturn: class Request(object_ref): """Represents an HTTP request, which is usually generated in a Spider and - executed by the Downloader, thus generating a :class:`Response`. + executed by the Downloader, thus generating a :class:`~scrapy.http.Response`. """ attributes: tuple[str, ...] = ( @@ -103,9 +103,9 @@ class Request(object_ref): ) """A tuple of :class:`str` objects containing the name of all public attributes of the class that are also keyword parameters of the - ``__init__`` method. + ``__init__()`` method. - Currently used by :meth:`Request.replace`, :meth:`Request.to_dict` and + Currently used by :meth:`.Request.replace`, :meth:`.Request.to_dict` and :func:`~scrapy.utils.request.request_from_dict`. """ @@ -233,7 +233,7 @@ class Request(object_ref): finding unknown options call this method by passing ``ignore_unknown_options=False``. - .. caution:: Using :meth:`from_curl` from :class:`~scrapy.http.Request` + .. caution:: Using :meth:`from_curl` from :class:`~scrapy.Request` subclasses, such as :class:`~scrapy.http.JsonRequest`, or :class:`~scrapy.http.XmlRpcRequest`, as well as having :ref:`downloader middlewares <topics-downloader-middleware>` @@ -244,7 +244,7 @@ class Request(object_ref): :class:`~scrapy.downloadermiddlewares.useragent.UserAgentMiddleware`, or :class:`~scrapy.downloadermiddlewares.httpcompression.HttpCompressionMiddleware`, - may modify the :class:`~scrapy.http.Request` object. + may modify the :class:`~scrapy.Request` object. To translate a cURL command into a Scrapy request, you may use `curl2scrapy <https://michael-shub.github.io/curl2scrapy/>`_. diff --git a/scrapy/http/response/__init__.py b/scrapy/http/response/__init__.py index 387805f57..b84110b29 100644 --- a/scrapy/http/response/__init__.py +++ b/scrapy/http/response/__init__.py @@ -51,7 +51,7 @@ class Response(object_ref): ) """A tuple of :class:`str` objects containing the name of all public attributes of the class that are also keyword parameters of the - ``__init__`` method. + ``__init__()`` method. Currently used by :meth:`Response.replace`. """ @@ -199,8 +199,8 @@ class Response(object_ref): ) -> Request: """ Return a :class:`~.Request` instance to follow a link ``url``. - It accepts the same arguments as ``Request.__init__`` method, - but ``url`` can be a relative URL or a ``scrapy.link.Link`` object, + It accepts the same arguments as ``Request.__init__()`` method, + but ``url`` can be a relative URL or a :class:`~scrapy.link.Link` object, not only an absolute URL. :class:`~.TextResponse` provides a :meth:`~.TextResponse.follow` @@ -254,7 +254,7 @@ class Response(object_ref): .. versionadded:: 2.0 Return an iterable of :class:`~.Request` instances to follow all links - in ``urls``. It accepts the same arguments as ``Request.__init__`` method, + in ``urls``. It accepts the same arguments as ``Request.__init__()`` method, but elements of ``urls`` can be relative URLs or :class:`~scrapy.link.Link` objects, not only absolute URLs. diff --git a/scrapy/http/response/text.py b/scrapy/http/response/text.py index 476f1754e..081223882 100644 --- a/scrapy/http/response/text.py +++ b/scrapy/http/response/text.py @@ -185,15 +185,15 @@ class TextResponse(Response): ) -> Request: """ Return a :class:`~.Request` instance to follow a link ``url``. - It accepts the same arguments as ``Request.__init__`` method, + It accepts the same arguments as ``Request.__init__()`` method, but ``url`` can be not only an absolute URL, but also * a relative URL * a :class:`~scrapy.link.Link` object, e.g. the result of :ref:`topics-link-extractors` - * a :class:`~scrapy.selector.Selector` object for a ``<link>`` or ``<a>`` element, e.g. + * a :class:`~scrapy.Selector` object for a ``<link>`` or ``<a>`` element, e.g. ``response.css('a.my_link')[0]`` - * an attribute :class:`~scrapy.selector.Selector` (not SelectorList), e.g. + * an attribute :class:`~scrapy.Selector` (not SelectorList), e.g. ``response.css('a::attr(href)')[0]`` or ``response.xpath('//img/@src')[0]`` @@ -241,20 +241,20 @@ class TextResponse(Response): """ A generator that produces :class:`~.Request` instances to follow all links in ``urls``. It accepts the same arguments as the :class:`~.Request`'s - ``__init__`` method, except that each ``urls`` element does not need to be + ``__init__()`` method, except that each ``urls`` element does not need to be an absolute URL, it can be any of the following: * a relative URL * a :class:`~scrapy.link.Link` object, e.g. the result of :ref:`topics-link-extractors` - * a :class:`~scrapy.selector.Selector` object for a ``<link>`` or ``<a>`` element, e.g. + * a :class:`~scrapy.Selector` object for a ``<link>`` or ``<a>`` element, e.g. ``response.css('a.my_link')[0]`` - * an attribute :class:`~scrapy.selector.Selector` (not SelectorList), e.g. + * an attribute :class:`~scrapy.Selector` (not SelectorList), e.g. ``response.css('a::attr(href)')[0]`` or ``response.xpath('//img/@src')[0]`` In addition, ``css`` and ``xpath`` arguments are accepted to perform the link extraction - within the ``follow_all`` method (only one of ``urls``, ``css`` and ``xpath`` is accepted). + within the ``follow_all()`` method (only one of ``urls``, ``css`` and ``xpath`` is accepted). Note that when passing a ``SelectorList`` as argument for the ``urls`` parameter or using the ``css`` or ``xpath`` parameters, this method will not produce requests for diff --git a/scrapy/loader/__init__.py b/scrapy/loader/__init__.py index d35720a45..2f5c0343b 100644 --- a/scrapy/loader/__init__.py +++ b/scrapy/loader/__init__.py @@ -32,7 +32,7 @@ class ItemLoader(itemloaders.ItemLoader): :param selector: The selector to extract data from, when using the :meth:`add_xpath`, :meth:`add_css`, :meth:`replace_xpath`, or :meth:`replace_css` method. - :type selector: :class:`~scrapy.selector.Selector` object + :type selector: :class:`~scrapy.Selector` object :param response: The response used to construct the selector using the :attr:`default_selector_class`, unless the selector argument is given, @@ -79,7 +79,7 @@ class ItemLoader(itemloaders.ItemLoader): .. attribute:: selector - The :class:`~scrapy.selector.Selector` object to extract data from. + The :class:`~scrapy.Selector` object to extract data from. It's either the selector given in the ``__init__`` method or one created from the response given in the ``__init__`` method using the :attr:`default_selector_class`. This attribute is meant to be diff --git a/scrapy/utils/request.py b/scrapy/utils/request.py index 7f2b178f5..9c1161968 100644 --- a/scrapy/utils/request.py +++ b/scrapy/utils/request.py @@ -1,6 +1,6 @@ """ This module provides some useful functions for working with -scrapy.http.Request objects +scrapy.Request objects """ from __future__ import annotations @@ -109,12 +109,10 @@ class RequestFingerprinter: It takes into account a canonical version (:func:`w3lib.url.canonicalize_url`) of :attr:`request.url - <scrapy.http.Request.url>` and the values of :attr:`request.method - <scrapy.http.Request.method>` and :attr:`request.body - <scrapy.http.Request.body>`. It then generates an `SHA1 + <scrapy.Request.url>` and the values of :attr:`request.method + <scrapy.Request.method>` and :attr:`request.body + <scrapy.Request.body>`. It then generates an `SHA1 <https://en.wikipedia.org/wiki/SHA-1>`_ hash. - - .. seealso:: :setting:`REQUEST_FINGERPRINTER_IMPLEMENTATION`. """ @classmethod From 7dfbecd3924a0d7a9e555e9cc3618cdb06b5415d Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 7 Jan 2025 19:11:10 +0500 Subject: [PATCH 363/786] Fix tracking of coverage in subprocesses. --- pyproject.toml | 6 ++++++ tests/__init__.py | 7 ------- tox.ini | 10 +++++----- 3 files changed, 11 insertions(+), 12 deletions(-) diff --git a/pyproject.toml b/pyproject.toml index 571a61f1c..29e26399f 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -120,6 +120,12 @@ include = ["scrapy/*"] omit = ["tests/*"] disable_warnings = ["include-ignored"] +[tool.coverage.paths] +source = [ + "scrapy", + ".tox/**/site-packages/scrapy" +] + [tool.coverage.report] # https://github.com/nedbat/coveragepy/issues/831#issuecomment-517778185 exclude_lines = ["pragma: no cover", "if TYPE_CHECKING:"] diff --git a/tests/__init__.py b/tests/__init__.py index 5f0c0f7ad..cd52ade58 100644 --- a/tests/__init__.py +++ b/tests/__init__.py @@ -15,13 +15,6 @@ os.environ["http_proxy"] = "" os.environ["https_proxy"] = "" os.environ["ftp_proxy"] = "" -# Absolutize paths to coverage config and output file because tests that -# spawn subprocesses also changes current working directory. -_sourceroot = Path(__file__).resolve().parent.parent -if "COV_CORE_CONFIG" in os.environ: - os.environ["COVERAGE_FILE"] = str(_sourceroot / ".coverage") - os.environ["COV_CORE_CONFIG"] = str(_sourceroot / os.environ["COV_CORE_CONFIG"]) - tests_datadir = str(Path(__file__).parent.resolve() / "sample_data") diff --git a/tox.ini b/tox.ini index 39ab1ccd4..de91c8b04 100644 --- a/tox.ini +++ b/tox.ini @@ -14,7 +14,7 @@ deps = pyftpdlib >= 2.0.1 pygments pytest - pytest-cov==4.0.0 + pytest-cov >= 4.0.0 pytest-xdist sybil >= 1.3.0 # https://github.com/cjw296/sybil/issues/20#issuecomment-605433422 testfixtures @@ -36,7 +36,7 @@ passenv = #allow tox virtualenv to upgrade pip/wheel/setuptools download = true commands = - pytest --cov=scrapy --cov-report=xml --cov-report= {posargs:--durations=10 docs scrapy tests} --doctest-modules + pytest --cov-config=pyproject.toml --cov=scrapy --cov-report=xml --cov-report= {posargs:--durations=10 docs scrapy tests} --doctest-modules install_command = python -I -m pip install -ctests/upper-constraints.txt {opts} {packages} @@ -115,7 +115,7 @@ setenv = install_command = python -I -m pip install {opts} {packages} commands = - pytest --cov=scrapy --cov-report=xml --cov-report= {posargs:--durations=10 scrapy tests} + pytest --cov-config=pyproject.toml --cov=scrapy --cov-report=xml --cov-report= {posargs:--durations=10 scrapy tests} [testenv:pinned] basepython = {[pinned]basepython} @@ -241,7 +241,7 @@ deps = {[testenv]deps} botocore>=1.4.87 commands = - pytest --cov=scrapy --cov-report=xml --cov-report= {posargs:tests -m requires_botocore} + pytest --cov-config=pyproject.toml --cov=scrapy --cov-report=xml --cov-report= {posargs:tests -m requires_botocore} [testenv:botocore-pinned] basepython = {[pinned]basepython} @@ -252,4 +252,4 @@ install_command = {[pinned]install_command} setenv = {[pinned]setenv} commands = - pytest --cov=scrapy --cov-report=xml --cov-report= {posargs:tests -m requires_botocore} + pytest --cov-config=pyproject.toml --cov=scrapy --cov-report=xml --cov-report= {posargs:tests -m requires_botocore} From 3154b08e90d9777dfe2879b8686b6fc63a793c84 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 7 Jan 2025 19:40:25 +0500 Subject: [PATCH 364/786] Improve coverage speed on Python 3.12+. --- tox.ini | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tox.ini b/tox.ini index de91c8b04..cf5e19a61 100644 --- a/tox.ini +++ b/tox.ini @@ -10,6 +10,7 @@ minversion = 1.7.0 [test-requirements] deps = attrs + coverage >= 7.4.0 pexpect >= 4.8.0 pyftpdlib >= 2.0.1 pygments @@ -26,6 +27,8 @@ deps = # mitmproxy does not support PyPy mitmproxy; implementation_name != 'pypy' +setenv = + COVERAGE_CORE=sysmon passenv = S3_TEST_FILE_URI AWS_ACCESS_KEY_ID From 1fc91bb46262118c9ff7aa2b4719d880f727699f Mon Sep 17 00:00:00 2001 From: Kevin Lloyd Bernal <kevinoxy@gmail.com> Date: Thu, 9 Jan 2025 03:28:51 +1100 Subject: [PATCH 365/786] new `allow_offsite` parameter in OffsiteMiddleware (#6151) * new 'allow_offsite' parameter in OffsiteMiddleware * document deprecated dont_filter flag in OffsiteMiddleware * avoid deprecating dont_filter in OffsiteMiddleware * Copy the code to the downloader mw. * Add tests for allow_offsite in the downloader mw. * Mark allow_offsite with reqmeta. --------- Co-authored-by: Andrey Rakhmatullin <wrar@wrar.name> --- docs/topics/downloader-middleware.rst | 9 ++++--- docs/topics/request-response.rst | 7 ++--- scrapy/downloadermiddlewares/offsite.py | 6 ++++- scrapy/spidermiddlewares/offsite.py | 6 ++++- tests/test_downloadermiddleware_offsite.py | 31 ++++++++++++++++++++++ tests/test_spidermiddleware_offsite.py | 1 + 6 files changed, 52 insertions(+), 8 deletions(-) diff --git a/docs/topics/downloader-middleware.rst b/docs/topics/downloader-middleware.rst index af7885a45..1ab8f588f 100644 --- a/docs/topics/downloader-middleware.rst +++ b/docs/topics/downloader-middleware.rst @@ -797,9 +797,12 @@ OffsiteMiddleware :attr:`~scrapy.Spider.allowed_domains` attribute, or the attribute is empty, the offsite middleware will allow all requests. - If the request has the :attr:`~scrapy.Request.dont_filter` attribute - set, the offsite middleware will allow the request even if its domain is not - listed in allowed domains. + .. reqmeta:: allow_offsite + + If the request has the :attr:`~scrapy.Request.dont_filter` attribute set to + ``True`` or :attr:`Request.meta` has ``allow_offsite`` set to ``True``, then + the OffsiteMiddleware will allow the request even if its domain is not listed + in allowed domains. RedirectMiddleware ------------------ diff --git a/docs/topics/request-response.rst b/docs/topics/request-response.rst index 1bb1a10a4..b187f3aaf 100644 --- a/docs/topics/request-response.rst +++ b/docs/topics/request-response.rst @@ -145,9 +145,9 @@ Request objects :type priority: int :param dont_filter: indicates that this request should not be filtered by - the scheduler. This is used when you want to perform an identical - request multiple times, to ignore the duplicates filter. Use it with - care, or you will get into crawling loops. Default to ``False``. + the scheduler or some middlewares. This is used when you want to perform + an identical request multiple times, to ignore the duplicates filter. + Use it with care, or you will get into crawling loops. Default to ``False``. :type dont_filter: bool :param errback: a function that will be called if any exception was @@ -660,6 +660,7 @@ are some special keys recognized by Scrapy and its built-in extensions. Those are: +* :reqmeta:`allow_offsite` * :reqmeta:`autothrottle_dont_adjust_delay` * :reqmeta:`bindaddress` * :reqmeta:`cookiejar` diff --git a/scrapy/downloadermiddlewares/offsite.py b/scrapy/downloadermiddlewares/offsite.py index a69f531a7..a2cff65e7 100644 --- a/scrapy/downloadermiddlewares/offsite.py +++ b/scrapy/downloadermiddlewares/offsite.py @@ -40,7 +40,11 @@ class OffsiteMiddleware: self.process_request(request, spider) def process_request(self, request: Request, spider: Spider) -> None: - if request.dont_filter or self.should_follow(request, spider): + if ( + request.dont_filter + or request.meta.get("allow_offsite") + or self.should_follow(request, spider) + ): return domain = urlparse_cached(request).hostname if domain and domain not in self.domains_seen: diff --git a/scrapy/spidermiddlewares/offsite.py b/scrapy/spidermiddlewares/offsite.py index d3ed64ef5..95e753830 100644 --- a/scrapy/spidermiddlewares/offsite.py +++ b/scrapy/spidermiddlewares/offsite.py @@ -61,7 +61,11 @@ class OffsiteMiddleware: def _filter(self, request: Any, spider: Spider) -> bool: if not isinstance(request, Request): return True - if request.dont_filter or self.should_follow(request, spider): + if ( + request.dont_filter + or request.meta.get("allow_offsite") + or self.should_follow(request, spider) + ): return True domain = urlparse_cached(request).hostname if domain and domain not in self.domains_seen: diff --git a/tests/test_downloadermiddleware_offsite.py b/tests/test_downloadermiddleware_offsite.py index fec56a39f..23a1d06da 100644 --- a/tests/test_downloadermiddleware_offsite.py +++ b/tests/test_downloadermiddleware_offsite.py @@ -64,6 +64,37 @@ def test_process_request_dont_filter(value, filtered): assert mw.process_request(request, spider) is None +@pytest.mark.parametrize( + ("allow_offsite", "dont_filter", "filtered"), + ( + (True, UNSET, False), + (True, None, False), + (True, False, False), + (True, True, False), + (False, UNSET, True), + (False, None, True), + (False, False, True), + (False, True, False), + ), +) +def test_process_request_allow_offsite(allow_offsite, dont_filter, filtered): + crawler = get_crawler(Spider) + spider = crawler._create_spider(name="a", allowed_domains=["a.example"]) + mw = OffsiteMiddleware.from_crawler(crawler) + mw.spider_opened(spider) + kwargs = {"meta": {}} + if allow_offsite is not UNSET: + kwargs["meta"]["allow_offsite"] = allow_offsite + if dont_filter is not UNSET: + kwargs["dont_filter"] = dont_filter + request = Request("https://b.example", **kwargs) + if filtered: + with pytest.raises(IgnoreRequest): + mw.process_request(request, spider) + else: + assert mw.process_request(request, spider) is None + + @pytest.mark.parametrize( "value", ( diff --git a/tests/test_spidermiddleware_offsite.py b/tests/test_spidermiddleware_offsite.py index 837f1c2c8..906928e01 100644 --- a/tests/test_spidermiddleware_offsite.py +++ b/tests/test_spidermiddleware_offsite.py @@ -29,6 +29,7 @@ class TestOffsiteMiddleware(TestCase): Request("http://scrapy.org/1"), Request("http://sub.scrapy.org/1"), Request("http://offsite.tld/letmepass", dont_filter=True), + Request("http://offsite-2.tld/allow", meta={"allow_offsite": True}), Request("http://scrapy.test.org/"), Request("http://scrapy.test.org:8000/"), ] From 402500b164efc01257679247d3dd1628a5f90f5e Mon Sep 17 00:00:00 2001 From: Ionut-Cezar Ciubotariu <ionut.cezar.ciubotariu@gmail.com> Date: Fri, 10 Jan 2025 20:08:27 +0200 Subject: [PATCH 366/786] Change unknown cmd message when outside project (#3426) * Change unknown cmd message when outside project * Simplification. * Move the import to the top level. * Reword the message. --------- Co-authored-by: Andrey Rakhmatullin <wrar@wrar.name> --- scrapy/cmdline.py | 22 +++++++++++++++++++++- tests/test_commands.py | 22 +++++++++++++++++++++- 2 files changed, 42 insertions(+), 2 deletions(-) diff --git a/scrapy/cmdline.py b/scrapy/cmdline.py index 48f462c65..065adccfb 100644 --- a/scrapy/cmdline.py +++ b/scrapy/cmdline.py @@ -89,6 +89,12 @@ def _get_commands_dict( return cmds +def _get_project_only_cmds(settings: BaseSettings) -> set[str]: + return set(_get_commands_dict(settings, inproject=True)) - set( + _get_commands_dict(settings, inproject=False) + ) + + def _pop_command_name(argv: list[str]) -> str | None: for i, arg in enumerate(argv[1:]): if not arg.startswith("-"): @@ -121,11 +127,25 @@ def _print_commands(settings: BaseSettings, inproject: bool) -> None: print('Use "scrapy <command> -h" to see more info about a command') +def _print_unknown_command_msg( + settings: BaseSettings, cmdname: str, inproject: bool +) -> None: + proj_only_cmds = _get_project_only_cmds(settings) + if cmdname in proj_only_cmds and not inproject: + cmd_list = ", ".join(sorted(proj_only_cmds)) + print( + f"The {cmdname} command is not available from this location.\n" + f"These commands are only available from within a project: {cmd_list}.\n" + ) + else: + print(f"Unknown command: {cmdname}\n") + + def _print_unknown_command( settings: BaseSettings, cmdname: str, inproject: bool ) -> None: _print_header(settings, inproject) - print(f"Unknown command: {cmdname}\n") + _print_unknown_command_msg(settings, cmdname, inproject) print('Use "scrapy" to see available commands') diff --git a/tests/test_commands.py b/tests/test_commands.py index 9d5720b98..1aae3222e 100644 --- a/tests/test_commands.py +++ b/tests/test_commands.py @@ -9,6 +9,7 @@ import re import subprocess import sys from contextlib import contextmanager +from io import StringIO from itertools import chain from pathlib import Path from shutil import copytree, rmtree @@ -16,12 +17,13 @@ from stat import S_IWRITE as ANYONE_WRITE_PERMISSION from tempfile import TemporaryFile, mkdtemp from threading import Timer from typing import TYPE_CHECKING -from unittest import skipIf +from unittest import mock, skipIf from pytest import mark from twisted.trial import unittest import scrapy +from scrapy.cmdline import _print_unknown_command_msg from scrapy.commands import ScrapyCommand, ScrapyHelpFormatter, view from scrapy.commands.startproject import IGNORE from scrapy.settings import Settings @@ -652,6 +654,24 @@ class MiscCommandsTest(CommandTest): def test_list(self): self.assertEqual(0, self.call("list")) + def test_command_not_found(self): + na_msg = """ +The list command is not available from this location. +These commands are only available from within a project: check, crawl, edit, list, parse. +""" + not_found_msg = """ +Unknown command: abc +""" + params = [ + ("list", 0, na_msg), + ("abc", 0, not_found_msg), + ("abc", 1, not_found_msg), + ] + for cmdname, inproject, message in params: + with mock.patch("sys.stdout", new=StringIO()) as out: + _print_unknown_command_msg(Settings(), cmdname, inproject) + self.assertEqual(out.getvalue().strip(), message.strip()) + class RunSpiderCommandTest(CommandTest): spider_filename = "myspider.py" From 98ba61256deceba7b04b938a97005258f4ef5c66 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= <adrian@chaves.io> Date: Tue, 14 Jan 2025 15:36:56 +0100 Subject: [PATCH 367/786] Deprecate BaseDupeFilter.log() and improve dupefilter docs (#4151) * Remove BaseDupeFilter.log() It is never called because request_seen() always returns False * Document the interface of DUPEFILTER_CLASS classes * Remove unnecessary BaseDupeFilter comments and add a short class description * Improve the documentation related to the DUPEFILTER_CLASS setting * Deprecate BaseDupeFilter.log * Update the docs * Fix the new code example * Remove typing to keep the example short Otherwise, it would have required yet another import line (from __future__ or typing). --------- Co-authored-by: Andrey Rakhmatullin <wrar@wrar.name> --- docs/conf.py | 4 ++ docs/topics/settings.rst | 78 +++++++++++++++++++++++++++++++++++---- scrapy/dupefilters.py | 16 +++++++- tests/test_dupefilters.py | 19 +++++++++- 4 files changed, 108 insertions(+), 9 deletions(-) diff --git a/docs/conf.py b/docs/conf.py index fd8165db3..8196b6934 100644 --- a/docs/conf.py +++ b/docs/conf.py @@ -258,6 +258,10 @@ coverage_ignore_pyobjects = [ # Base classes of downloader middlewares are implementation details that # are not meant for users. r"^scrapy\.downloadermiddlewares\.\w*?\.Base\w*?Middleware", + # The interface methods of duplicate request filtering classes are already + # covered in the interface documentation part of the DUPEFILTER_CLASS + # setting documentation. + r"^scrapy\.dupefilters\.[A-Z]\w*?\.(from_settings|request_seen|open|close|log)$", # Private exception used by the command-line interface implementation. r"^scrapy\.exceptions\.UsageError", # Methods of BaseItemExporter subclasses are only documented in diff --git a/docs/topics/settings.rst b/docs/topics/settings.rst index 76904a26e..06974f336 100644 --- a/docs/topics/settings.rst +++ b/docs/topics/settings.rst @@ -955,15 +955,79 @@ Default: ``'scrapy.dupefilters.RFPDupeFilter'`` The class used to detect and filter duplicate requests. -The default (``RFPDupeFilter``) filters based on the +The default, :class:`~scrapy.dupefilters.RFPDupeFilter`, filters based on the :setting:`REQUEST_FINGERPRINTER_CLASS` setting. -You can disable filtering of duplicate requests by setting -:setting:`DUPEFILTER_CLASS` to ``'scrapy.dupefilters.BaseDupeFilter'``. -Be very careful about this however, because you can get into crawling loops. -It's usually a better idea to set the ``dont_filter`` parameter to -``True`` on the specific :class:`~scrapy.Request` that should not be -filtered. +To change how duplicates are checked, you can point :setting:`DUPEFILTER_CLASS` +to a custom subclass of :class:`~scrapy.dupefilters.RFPDupeFilter` that +overrides its ``__init__`` method to use a :ref:`different request +fingerprinting class <custom-request-fingerprinter>`. For example: + +.. code-block:: python + + from scrapy.dupefilters import RFPDupeFilter + from scrapy.utils.request import fingerprint + + + class CustomRequestFingerprinter: + def fingerprint(self, request): + return fingerprint(request, include_headers=["X-ID"]) + + + class CustomDupeFilter(RFPDupeFilter): + + def __init__(self, path=None, debug=False, *, fingerprinter=None): + super().__init__( + path=path, debug=debug, fingerprinter=CustomRequestFingerprinter() + ) + +To disable duplicate request filtering set :setting:`DUPEFILTER_CLASS` to +``'scrapy.dupefilters.BaseDupeFilter'``. Note that not filtering out duplicate +requests may cause crawling loops. It is usually better to set +the ``dont_filter`` parameter to ``True`` on the ``__init__`` method of a +specific :class:`~scrapy.Request` object that should not be filtered out. + +A class assigned to :setting:`DUPEFILTER_CLASS` must implement the following +interface:: + + class MyDupeFilter: + + @classmethod + def from_settings(cls, settings): + """Returns an instance of this duplicate request filtering class + based on the current crawl settings.""" + return cls() + + def request_seen(self, request): + """Returns ``True`` if *request* is a duplicate of another request + seen in a previous call to :meth:`request_seen`, or ``False`` + otherwise.""" + return False + + def open(self): + """Called before the spider opens. It may return a deferred.""" + pass + + def close(self, reason): + """Called before the spider closes. It may return a deferred.""" + pass + + def log(self, request, spider): + """Logs that a request has been filtered out. + + It is called right after a call to :meth:`request_seen` that + returns ``True``. + + If :meth:`request_seen` always returns ``False``, such as in the + case of :class:`~scrapy.dupefilters.BaseDupeFilter`, this method + may be omitted. + """ + pass + +.. autoclass:: scrapy.dupefilters.BaseDupeFilter + +.. autoclass:: scrapy.dupefilters.RFPDupeFilter + .. setting:: DUPEFILTER_DEBUG diff --git a/scrapy/dupefilters.py b/scrapy/dupefilters.py index caf69daf4..a3e2c5eb4 100644 --- a/scrapy/dupefilters.py +++ b/scrapy/dupefilters.py @@ -4,6 +4,7 @@ import logging import warnings from pathlib import Path from typing import TYPE_CHECKING +from warnings import warn from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.utils.job import job_dir @@ -26,6 +27,9 @@ if TYPE_CHECKING: class BaseDupeFilter: + """Dummy duplicate request filtering class (:setting:`DUPEFILTER_CLASS`) + that does not filter out any request.""" + @classmethod def from_settings(cls, settings: BaseSettings) -> Self: warnings.warn( @@ -50,10 +54,19 @@ class BaseDupeFilter: def log(self, request: Request, spider: Spider) -> None: """Log that a request has been filtered""" + warn( + "Calling BaseDupeFilter.log() is deprecated.", + ScrapyDeprecationWarning, + stacklevel=2, + ) class RFPDupeFilter(BaseDupeFilter): - """Request Fingerprint duplicates filter""" + """Duplicate request filtering class (:setting:`DUPEFILTER_CLASS`) that + filters out requests with the canonical + (:func:`w3lib.url.canonicalize_url`) :attr:`~scrapy.http.Request.url`, + :attr:`~scrapy.http.Request.method` and :attr:`~scrapy.http.Request.body`. + """ def __init__( self, @@ -117,6 +130,7 @@ class RFPDupeFilter(BaseDupeFilter): return False def request_fingerprint(self, request: Request) -> str: + """Returns a string that uniquely identifies the specified request.""" return self.fingerprinter.fingerprint(request).hex() def close(self, reason: str) -> None: diff --git a/tests/test_dupefilters.py b/tests/test_dupefilters.py index 4fd648f48..703c23529 100644 --- a/tests/test_dupefilters.py +++ b/tests/test_dupefilters.py @@ -4,11 +4,13 @@ import sys import tempfile import unittest from pathlib import Path +from warnings import catch_warnings from testfixtures import LogCapture from scrapy.core.scheduler import Scheduler -from scrapy.dupefilters import RFPDupeFilter +from scrapy.dupefilters import BaseDupeFilter, RFPDupeFilter +from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.http import Request from scrapy.utils.python import to_bytes from scrapy.utils.test import get_crawler @@ -252,3 +254,18 @@ class RFPDupeFilterTest(unittest.TestCase): ) dupefilter.close("finished") + + +class BaseDupeFilterTestCase(unittest.TestCase): + def test_log_deprecation(self): + dupefilter = _get_dupefilter( + settings={"DUPEFILTER_CLASS": BaseDupeFilter}, + ) + with catch_warnings(record=True) as warning_list: + dupefilter.log(None, None) + self.assertEqual(len(warning_list), 1) + self.assertEqual( + str(warning_list[0].message), + "Calling BaseDupeFilter.log() is deprecated.", + ) + self.assertEqual(warning_list[0].category, ScrapyDeprecationWarning) From 1c1e83895c15dc491c6c133982cde22d778dcae6 Mon Sep 17 00:00:00 2001 From: anubhav <protokoul@users.noreply.github.com> Date: Tue, 14 Jan 2025 21:10:24 +0530 Subject: [PATCH 368/786] Fix _pop_command_name (#6606) --- scrapy/cmdline.py | 7 +++---- tests/test_commands.py | 28 +++++++++++++++++++++++++++- 2 files changed, 30 insertions(+), 5 deletions(-) diff --git a/scrapy/cmdline.py b/scrapy/cmdline.py index 065adccfb..b08fd3409 100644 --- a/scrapy/cmdline.py +++ b/scrapy/cmdline.py @@ -96,10 +96,9 @@ def _get_project_only_cmds(settings: BaseSettings) -> set[str]: def _pop_command_name(argv: list[str]) -> str | None: - for i, arg in enumerate(argv[1:]): - if not arg.startswith("-"): - del argv[i] - return arg + for i in range(1, len(argv)): + if not argv[i].startswith("-"): + return argv.pop(i) return None diff --git a/tests/test_commands.py b/tests/test_commands.py index 1aae3222e..50f093043 100644 --- a/tests/test_commands.py +++ b/tests/test_commands.py @@ -23,7 +23,7 @@ from pytest import mark from twisted.trial import unittest import scrapy -from scrapy.cmdline import _print_unknown_command_msg +from scrapy.cmdline import _pop_command_name, _print_unknown_command_msg from scrapy.commands import ScrapyCommand, ScrapyHelpFormatter, view from scrapy.commands.startproject import IGNORE from scrapy.settings import Settings @@ -1163,3 +1163,29 @@ class HelpMessageTest(CommandTest): for command in self.commands: _, out, _ = self.proc(command, "-h") self.assertIn("Usage", out) + + +class PopCommandNameTest(unittest.TestCase): + def test_valid_command(self): + argv = ["scrapy", "crawl", "my_spider"] + command = _pop_command_name(argv) + self.assertEqual(command, "crawl") + self.assertEqual(argv, ["scrapy", "my_spider"]) + + def test_no_command(self): + argv = ["scrapy"] + command = _pop_command_name(argv) + self.assertIsNone(command) + self.assertEqual(argv, ["scrapy"]) + + def test_option_before_command(self): + argv = ["scrapy", "-h", "crawl"] + command = _pop_command_name(argv) + self.assertEqual(command, "crawl") + self.assertEqual(argv, ["scrapy", "-h"]) + + def test_option_after_command(self): + argv = ["scrapy", "crawl", "-h"] + command = _pop_command_name(argv) + self.assertEqual(command, "crawl") + self.assertEqual(argv, ["scrapy", "-h"]) From ca345a3b73904ffd6d2e8ffb17c45ebb69639d26 Mon Sep 17 00:00:00 2001 From: anubhav <protokoul@users.noreply.github.com> Date: Wed, 15 Jan 2025 15:38:18 +0530 Subject: [PATCH 369/786] Flexible severity of logging level when items are dropped (#6608) --- docs/topics/settings.rst | 32 +++++++++++++++ scrapy/exceptions.py | 6 +++ scrapy/logformatter.py | 6 ++- scrapy/settings/default_settings.py | 2 + tests/test_logformatter.py | 60 +++++++++++++++++++++++++++++ 5 files changed, 105 insertions(+), 1 deletion(-) diff --git a/docs/topics/settings.rst b/docs/topics/settings.rst index 06974f336..8801434d8 100644 --- a/docs/topics/settings.rst +++ b/docs/topics/settings.rst @@ -418,6 +418,38 @@ This setting also affects :setting:`DOWNLOAD_DELAY` and :ref:`topics-autothrottle`: if :setting:`CONCURRENT_REQUESTS_PER_IP` is non-zero, download delay is enforced per IP, not per domain. +.. setting:: DEFAULT_DROPITEM_LOG_LEVEL + +DEFAULT_DROPITEM_LOG_LEVEL +-------------------------- + +Default: ``"WARNING"`` + +Default :ref:`log level <levels>` of messages about dropped items. + +When an item is dropped by raising :exc:`scrapy.exceptions.DropItem` from the +:func:`process_item` method of an :ref:`item pipeline <topics-item-pipeline>`, +a message is logged, and by default its log level is the one configured in this +setting. + +You may specify this log level as an integer (e.g. ``20``), as a log level +constant (e.g. ``logging.INFO``) or as a string with the name of a log level +constant (e.g. ``"INFO"``). + +When writing an item pipeline, you can force a different log level by setting +:attr:`scrapy.exceptions.DropItem.log_level` in your +:exc:`scrapy.exceptions.DropItem` exception. For example: + +.. code-block:: python + + from scrapy.exceptions import DropItem + + + class MyPipeline: + def process_item(self, item, spider): + if not item.get("price"): + raise DropItem("Missing price data", log_level="INFO") + return item .. setting:: DEFAULT_ITEM_CLASS diff --git a/scrapy/exceptions.py b/scrapy/exceptions.py index 96566ba86..f37f881a7 100644 --- a/scrapy/exceptions.py +++ b/scrapy/exceptions.py @@ -5,6 +5,8 @@ These exceptions are documented in docs/topics/exceptions.rst. Please don't add new exceptions here without documenting them there. """ +from __future__ import annotations + from typing import Any # Internal @@ -58,6 +60,10 @@ class StopDownload(Exception): class DropItem(Exception): """Drop item from the item pipeline""" + def __init__(self, message: str, log_level: str | None = None): + super().__init__(message) + self.log_level = log_level + class NotSupported(Exception): """Indicates a feature or method is not supported""" diff --git a/scrapy/logformatter.py b/scrapy/logformatter.py index 76f9c7856..f10e91beb 100644 --- a/scrapy/logformatter.py +++ b/scrapy/logformatter.py @@ -120,8 +120,12 @@ class LogFormatter: spider: Spider, ) -> LogFormatterResult: """Logs a message when an item is dropped while it is passing through the item pipeline.""" + if (level := getattr(exception, "log_level", None)) is None: + level = spider.crawler.settings["DEFAULT_DROPITEM_LOG_LEVEL"] + if isinstance(level, str): + level = getattr(logging, level) return { - "level": logging.WARNING, + "level": level, "msg": DROPPEDMSG, "args": { "exception": exception, diff --git a/scrapy/settings/default_settings.py b/scrapy/settings/default_settings.py index 0bbde118e..7ef365f68 100644 --- a/scrapy/settings/default_settings.py +++ b/scrapy/settings/default_settings.py @@ -49,6 +49,8 @@ CONCURRENT_REQUESTS_PER_IP = 0 COOKIES_ENABLED = True COOKIES_DEBUG = False +DEFAULT_DROPITEM_LOG_LEVEL = "WARNING" + DEFAULT_ITEM_CLASS = "scrapy.item.Item" DEFAULT_REQUEST_HEADERS = { diff --git a/tests/test_logformatter.py b/tests/test_logformatter.py index 61a9f3f8d..e5d077858 100644 --- a/tests/test_logformatter.py +++ b/tests/test_logformatter.py @@ -1,5 +1,7 @@ +import logging import unittest +import pytest from testfixtures import LogCapture from twisted.internet import defer from twisted.python.failure import Failure @@ -26,6 +28,7 @@ class LogFormatterTestCase(unittest.TestCase): def setUp(self): self.formatter = LogFormatter() self.spider = Spider("default") + self.spider.crawler = get_crawler() def test_crawled_with_referer(self): req = Request("http://www.example.com") @@ -68,6 +71,62 @@ class LogFormatterTestCase(unittest.TestCase): assert all(isinstance(x, str) for x in lines) self.assertEqual(lines, ["Dropped: \u2018", "{}"]) + def test_dropitem_default_log_level(self): + item = {} + exception = DropItem("Test drop") + response = Response("http://www.example.com") + spider = Spider("foo") + spider.crawler = get_crawler(Spider) + + logkws = self.formatter.dropped(item, exception, response, spider) + self.assertEqual(logkws["level"], logging.WARNING) + + spider.crawler.settings.frozen = False + spider.crawler.settings["DEFAULT_DROPITEM_LOG_LEVEL"] = logging.INFO + spider.crawler.settings.frozen = True + logkws = self.formatter.dropped(item, exception, response, spider) + self.assertEqual(logkws["level"], logging.INFO) + + spider.crawler.settings.frozen = False + spider.crawler.settings["DEFAULT_DROPITEM_LOG_LEVEL"] = "INFO" + spider.crawler.settings.frozen = True + logkws = self.formatter.dropped(item, exception, response, spider) + self.assertEqual(logkws["level"], logging.INFO) + + spider.crawler.settings.frozen = False + spider.crawler.settings["DEFAULT_DROPITEM_LOG_LEVEL"] = 10 + spider.crawler.settings.frozen = True + logkws = self.formatter.dropped(item, exception, response, spider) + self.assertEqual(logkws["level"], logging.DEBUG) + + spider.crawler.settings.frozen = False + spider.crawler.settings["DEFAULT_DROPITEM_LOG_LEVEL"] = 0 + spider.crawler.settings.frozen = True + logkws = self.formatter.dropped(item, exception, response, spider) + self.assertEqual(logkws["level"], logging.NOTSET) + + unsupported_value = object() + spider.crawler.settings.frozen = False + spider.crawler.settings["DEFAULT_DROPITEM_LOG_LEVEL"] = unsupported_value + spider.crawler.settings.frozen = True + logkws = self.formatter.dropped(item, exception, response, spider) + self.assertEqual(logkws["level"], unsupported_value) + + with pytest.raises(TypeError): + logging.log(logkws["level"], "message") + + def test_dropitem_custom_log_level(self): + item = {} + response = Response("http://www.example.com") + + exception = DropItem("Test drop", log_level="INFO") + logkws = self.formatter.dropped(item, exception, response, self.spider) + self.assertEqual(logkws["level"], logging.INFO) + + exception = DropItem("Test drop", log_level="ERROR") + logkws = self.formatter.dropped(item, exception, response, self.spider) + self.assertEqual(logkws["level"], logging.ERROR) + def test_item_error(self): # In practice, the complete traceback is shown by passing the # 'exc_info' argument to the logging function @@ -145,6 +204,7 @@ class LogformatterSubclassTest(LogFormatterTestCase): def setUp(self): self.formatter = LogFormatterSubclass() self.spider = Spider("default") + self.spider.crawler = get_crawler(Spider) def test_crawled_with_referer(self): req = Request("http://www.example.com") From d7168577b859d15a15c2bcbc6c4f607a62be7478 Mon Sep 17 00:00:00 2001 From: Rotzbua <Rotzbua@users.noreply.github.com> Date: Sun, 19 Jan 2025 13:50:53 +0100 Subject: [PATCH 370/786] chore(docs): migrate to RTD template v3 notable change: Drop support for all versions of Internet Explorer. --- docs/conf.py | 7 ------- docs/requirements.txt | 6 +++--- 2 files changed, 3 insertions(+), 10 deletions(-) diff --git a/docs/conf.py b/docs/conf.py index 8196b6934..a3475a323 100644 --- a/docs/conf.py +++ b/docs/conf.py @@ -117,13 +117,6 @@ html_theme = "sphinx_rtd_theme" # documentation. # html_theme_options = {} -# Add any paths that contain custom themes here, relative to this directory. -# Add path to the RTD explicitly to robustify builds (otherwise might -# fail in a clean Debian build env) -import sphinx_rtd_theme - -html_theme_path = [sphinx_rtd_theme.get_html_theme_path()] - # The style sheet to use for HTML and HTML Help pages. A file of that name # must exist either in Sphinx' static/ path, or in one of the custom paths # given in html_static_path. diff --git a/docs/requirements.txt b/docs/requirements.txt index 5f683d34c..7ee897170 100644 --- a/docs/requirements.txt +++ b/docs/requirements.txt @@ -1,4 +1,4 @@ sphinx==6.2.1 -sphinx-hoverxref==1.3.0 -sphinx-notfound-page==1.0.0 -sphinx-rtd-theme==2.0.0 +sphinx-hoverxref==1.4.2 +sphinx-notfound-page==1.0.4 +sphinx-rtd-theme==3.0.2 From ee4f527f47111c18ddef0c2369c1dede7447a4e9 Mon Sep 17 00:00:00 2001 From: Rotzbua <Rotzbua@users.noreply.github.com> Date: Sun, 19 Jan 2025 14:58:02 +0100 Subject: [PATCH 371/786] fix(docs): pillow domain is shut down permanently See https://github.com/python-pillow/Pillow/issues/8585 --- docs/news.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/news.rst b/docs/news.rst index 924abb7a1..8230c3aef 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -6862,7 +6862,7 @@ First release of Scrapy. .. _parsel.csstranslator.HTMLTranslator: https://parsel.readthedocs.io/en/latest/parsel.html#parsel.csstranslator.HTMLTranslator .. _parsel.csstranslator.XPathExpr: https://parsel.readthedocs.io/en/latest/parsel.html#parsel.csstranslator.XPathExpr .. _PEP 257: https://peps.python.org/pep-0257/ -.. _Pillow: https://python-pillow.org/ +.. _Pillow: https://github.com/python-pillow/Pillow .. _pyOpenSSL: https://www.pyopenssl.org/en/stable/ .. _queuelib: https://github.com/scrapy/queuelib .. _registered with IANA: https://www.iana.org/assignments/media-types/media-types.xhtml From e0c828b7f665d8c82e17787996634bc072e416ae Mon Sep 17 00:00:00 2001 From: Rotzbua <Rotzbua@users.noreply.github.com> Date: Mon, 20 Jan 2025 12:18:30 +0100 Subject: [PATCH 372/786] chore(docs): refactor config (#6623) --- .readthedocs.yml | 2 +- docs/Makefile | 104 +++-------------- docs/_ext/scrapyfixautodoc.py | 18 +++ docs/conf.py | 211 ++++++---------------------------- 4 files changed, 65 insertions(+), 270 deletions(-) create mode 100644 docs/_ext/scrapyfixautodoc.py diff --git a/.readthedocs.yml b/.readthedocs.yml index 5ec6eafbb..23e4cabea 100644 --- a/.readthedocs.yml +++ b/.readthedocs.yml @@ -5,7 +5,7 @@ sphinx: fail_on_warning: true build: - os: ubuntu-20.04 + os: ubuntu-24.04 tools: # For available versions, see: # https://docs.readthedocs.io/en/stable/config-file/v2.html#build-tools-python diff --git a/docs/Makefile b/docs/Makefile index 48401bac8..ed8809902 100644 --- a/docs/Makefile +++ b/docs/Makefile @@ -1,96 +1,20 @@ -# -# Makefile for Scrapy documentation [based on Python documentation Makefile] -# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +# Minimal makefile for Sphinx documentation # -# You can set these variables from the command line. -PYTHON = python -SPHINXOPTS = -PAPER = -SOURCES = -SHELL = /usr/bin/env bash - -ALLSPHINXOPTS = -b $(BUILDER) -d build/doctrees \ - -D latex_elements.papersize=$(PAPER) \ - $(SPHINXOPTS) . build/$(BUILDER) $(SOURCES) - -.PHONY: help update build html htmlhelp clean +# You can set these variables from the command line, and also +# from the environment for the first two. +SPHINXOPTS ?= +SPHINXBUILD ?= sphinx-build +SOURCEDIR = . +BUILDDIR = build +# Put it first so that "make" without argument is like "make help". help: - @echo "Please use \`make <target>' where <target> is one of" - @echo " html to make standalone HTML files" - @echo " htmlhelp to make HTML files and a HTML help project" - @echo " latex to make LaTeX files, you can set PAPER=a4 or PAPER=letter" - @echo " text to make plain text files" - @echo " changes to make an overview over all changed/added/deprecated items" - @echo " linkcheck to check all external links for integrity" - @echo " watch build HTML docs, open in browser and watch for changes" + @$(SPHINXBUILD) -M help "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O) -build-dirs: - mkdir -p build/$(BUILDER) build/doctrees +.PHONY: help Makefile -build: build-dirs - sphinx-build $(ALLSPHINXOPTS) - @echo - -build-ignore-errors: build-dirs - -sphinx-build $(ALLSPHINXOPTS) - @echo - - -html: BUILDER = html -html: build - @echo "Build finished. The HTML pages are in build/html." - -htmlhelp: BUILDER = htmlhelp -htmlhelp: build - @echo "Build finished; now you can run HTML Help Workshop with the" \ - "build/htmlhelp/pydoc.hhp project file." - -latex: BUILDER = latex -latex: build - @echo "Build finished; the LaTeX files are in build/latex." - @echo "Run \`make all-pdf' or \`make all-ps' in that directory to" \ - "run these through (pdf)latex." - -text: BUILDER = text -text: build - @echo "Build finished; the text files are in build/text." - -changes: BUILDER = changes -changes: build - @echo "The overview file is in build/changes." - -linkcheck: BUILDER = linkcheck -linkcheck: build - @echo "Link check complete; look for any errors in the above output " \ - "or in build/$(BUILDER)/output.txt" - -linkfix: BUILDER = linkcheck -linkfix: build-ignore-errors - $(PYTHON) utils/linkfix.py - @echo "Fixing redirecting links in docs has finished; check all " \ - "replacements before committing them" - -doctest: BUILDER = doctest -doctest: build - @echo "Testing of doctests in the sources finished, look at the " \ - "results in build/doctest/output.txt" - -pydoc-topics: BUILDER = pydoc-topics -pydoc-topics: build - @echo "Building finished; now copy build/pydoc-topics/pydoc_topics.py " \ - "into the Lib/ directory" - -coverage: BUILDER = coverage -coverage: build - -htmlview: html - $(PYTHON) -c "import webbrowser; from pathlib import Path; \ - webbrowser.open(Path('build/html/index.html').resolve().as_uri())" - -clean: - -rm -rf build/* - -watch: htmlview - watchmedo shell-command -p '*.rst' -c 'make html' -R -D +# Catch-all target: route all unknown targets to Sphinx using the new +# "make mode" option. $(O) is meant as a shortcut for $(SPHINXOPTS). +%: Makefile + @$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O) diff --git a/docs/_ext/scrapyfixautodoc.py b/docs/_ext/scrapyfixautodoc.py new file mode 100644 index 000000000..d7a3fb514 --- /dev/null +++ b/docs/_ext/scrapyfixautodoc.py @@ -0,0 +1,18 @@ +""" +Must be included after 'sphinx.ext.autodoc'. Fixes unwanted 'alias of' behavior. +https://github.com/sphinx-doc/sphinx/issues/4422 +""" + +# pylint: disable=import-error +from sphinx.application import Sphinx + + +def maybe_skip_member(app: Sphinx, what, name: str, obj, skip: bool, options) -> bool: + if not skip: + # autodocs was generating a text "alias of" for the following members + return name in {"default_item_class", "default_selector_class"} + return skip + + +def setup(app: Sphinx) -> None: + app.connect("autodoc-skip-member", maybe_skip_member) diff --git a/docs/conf.py b/docs/conf.py index a3475a323..be5e07195 100644 --- a/docs/conf.py +++ b/docs/conf.py @@ -1,17 +1,12 @@ -# Scrapy documentation build configuration file, created by -# sphinx-quickstart on Mon Nov 24 12:02:52 2008. +# Configuration file for the Sphinx documentation builder. # -# This file is execfile()d with the current directory set to its containing dir. -# -# The contents of this file are pickled, so don't put values in the namespace -# that aren't pickleable (module imports are okay, they're removed automatically). -# -# All configuration values have a default; values that are commented out -# serve to show the default. +# For the full list of built-in configuration values, see the documentation: +# https://www.sphinx-doc.org/en/master/usage/configuration.html # pylint: disable=import-error import os import sys +from collections.abc import Sequence from pathlib import Path # If your extensions are in another directory, add it here. If the directory @@ -20,36 +15,30 @@ sys.path.append(str(Path(__file__).parent / "_ext")) sys.path.insert(0, str(Path(__file__).parent.parent)) -# General configuration -# --------------------- +# -- Project information ----------------------------------------------------- +# https://www.sphinx-doc.org/en/master/usage/configuration.html#project-information + +project = "Scrapy" +project_copyright = "Scrapy developers" +author = "Scrapy developers" + + +# -- General configuration --------------------------------------------------- +# https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration -# Add any Sphinx extension module names here, as strings. They can be extensions -# coming with Sphinx (named 'sphinx.ext.*') or your custom ones. extensions = [ "hoverxref.extension", "notfound.extension", "scrapydocs", "sphinx.ext.autodoc", + "scrapyfixautodoc", # Must be after "sphinx.ext.autodoc" "sphinx.ext.coverage", "sphinx.ext.intersphinx", "sphinx.ext.viewcode", ] -# Add any paths that contain templates here, relative to this directory. templates_path = ["_templates"] - -# The suffix of source filenames. -source_suffix = ".rst" - -# The encoding of source files. -# source_encoding = 'utf-8' - -# The master toctree document. -master_doc = "index" - -# General information about the project. -project = "Scrapy" -copyright = "Scrapy developers" +exclude_patterns = ["build", "Thumbs.db", ".DS_Store"] # The version info for the project you're documenting, acts as replacement for # |version| and |release|, also used in various other places throughout the @@ -65,118 +54,17 @@ except ImportError: version = "" release = "" -# The language for content autogenerated by Sphinx. Refer to documentation -# for a list of supported languages. -language = "en" - -# There are two options for replacing |today|: either, you set today to some -# non-false value, then it is used: -# today = '' -# Else, today_fmt is used as the format for a strftime call. -# today_fmt = '%B %d, %Y' - -# List of documents that shouldn't be included in the build. -# unused_docs = [] - -exclude_patterns = ["build"] - -# List of directories, relative to source directory, that shouldn't be searched -# for source files. -exclude_trees = [".build"] - -# The reST default role (used for this markup: `text`) to use for all documents. -# default_role = None - -# If true, '()' will be appended to :func: etc. cross-reference text. -# add_function_parentheses = True - -# If true, the current module name will be prepended to all description -# unit titles (such as .. function::). -# add_module_names = True - -# If true, sectionauthor and moduleauthor directives will be shown in the -# output. They are ignored by default. -# show_authors = False - -# The name of the Pygments (syntax highlighting) style to use. -pygments_style = "sphinx" - -# List of Sphinx warnings that will not be raised suppress_warnings = ["epub.unknown_project_files"] -# Options for HTML output -# ----------------------- +# -- Options for HTML output ------------------------------------------------- +# https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-html-output -# The theme to use for HTML and HTML Help pages. See the documentation for -# a list of builtin themes. html_theme = "sphinx_rtd_theme" - -# Theme options are theme-specific and customize the look and feel of a theme -# further. For a list of options available for each theme, see the -# documentation. -# html_theme_options = {} - -# The style sheet to use for HTML and HTML Help pages. A file of that name -# must exist either in Sphinx' static/ path, or in one of the custom paths -# given in html_static_path. -# html_style = 'scrapydoc.css' - -# The name for this set of Sphinx documents. If None, it defaults to -# "<project> v<release> documentation". -# html_title = None - -# A shorter title for the navigation bar. Default is the same as html_title. -# html_short_title = None - -# The name of an image file (relative to this directory) to place at the top -# of the sidebar. -# html_logo = None - -# The name of an image file (within the static path) to use as favicon of the -# docs. This file should be a Windows icon file (.ico) being 16x16 or 32x32 -# pixels large. -# html_favicon = None - -# Add any paths that contain custom static files (such as style sheets) here, -# relative to this directory. They are copied after the builtin static files, -# so a file named "default.css" will overwrite the builtin "default.css". html_static_path = ["_static"] -# If not '', a 'Last updated on:' timestamp is inserted at every page bottom, -# using the given strftime format. html_last_updated_fmt = "%b %d, %Y" -# Custom sidebar templates, maps document names to template names. -# html_sidebars = {} - -# Additional templates that should be rendered to pages, maps page names to -# template names. -# html_additional_pages = {} - -# If false, no module index is generated. -# html_use_modindex = True - -# If false, no index is generated. -# html_use_index = True - -# If true, the index is split into individual pages for each letter. -# html_split_index = False - -# If true, the reST sources are included in the HTML build as _sources/<name>. -html_copy_source = True - -# If true, an OpenSearch description file will be output, and all pages will -# contain a <link> tag referring to it. The value of this option must be the -# base URL from which the finished HTML is served. -# html_use_opensearch = '' - -# If nonempty, this is the file name suffix for HTML files (e.g. ".xhtml"). -# html_file_suffix = '' - -# Output file base name for HTML help builder. -htmlhelp_basename = "Scrapydoc" - html_css_files = [ "custom.css", ] @@ -184,14 +72,8 @@ html_css_files = [ # Set canonical URL from the Read the Docs Domain html_baseurl = os.environ.get("READTHEDOCS_CANONICAL_URL", "") -# Options for LaTeX output -# ------------------------ - -# The paper size ('letter' or 'a4'). -# latex_paper_size = 'letter' - -# The font size ('10pt', '11pt' or '12pt'). -# latex_font_size = '10pt' +# -- Options for LaTeX output ------------------------------------------------ +# https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-latex-output # Grouping the document tree into LaTeX files. List of tuples # (source start file, target name, title, author, document class [howto/manual]). @@ -199,39 +81,22 @@ latex_documents = [ ("index", "Scrapy.tex", "Scrapy Documentation", "Scrapy developers", "manual"), ] -# The name of an image file (relative to this directory) to place at the top of -# the title page. -# latex_logo = None -# For "manual" documents, if this is true, then toplevel headings are parts, -# not chapters. -# latex_use_parts = False +# -- Options for the linkcheck builder --------------------------------------- +# https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-the-linkcheck-builder -# Additional stuff for the LaTeX preamble. -# latex_preamble = '' - -# Documents to append as an appendix to all manuals. -# latex_appendices = [] - -# If false, no module index is generated. -# latex_use_modindex = True - - -# Options for the linkcheck builder -# --------------------------------- - -# A list of regular expressions that match URIs that should not be checked when -# doing a linkcheck build. linkcheck_ignore = [ r"http://localhost:\d+", "http://hg.scrapy.org", - "http://directory.google.com/", + r"https://github.com/scrapy/scrapy/commit/\w+", r"https://github.com/scrapy/scrapy/issues/\d+", ] +linkcheck_anchors_ignore_for_url = ["https://github.com/pyca/cryptography/issues/2692"] + +# -- Options for the Coverage extension -------------------------------------- +# https://www.sphinx-doc.org/en/master/usage/extensions/coverage.html#configuration -# Options for the Coverage extension -# ---------------------------------- coverage_ignore_pyobjects = [ # Contract’s add_pre_hook and add_post_hook are not documented because # they should be transparent to contract developers, for whom pre_hook and @@ -272,8 +137,8 @@ coverage_ignore_pyobjects = [ ] -# Options for the InterSphinx extension -# ------------------------------------- +# -- Options for the InterSphinx extension ----------------------------------- +# https://www.sphinx-doc.org/en/master/usage/extensions/intersphinx.html#configuration intersphinx_mapping = { "attrs": ("https://www.attrs.org/en/stable/", None), @@ -290,11 +155,11 @@ intersphinx_mapping = { "twistedapi": ("https://docs.twisted.org/en/stable/api/", None), "w3lib": ("https://w3lib.readthedocs.io/en/latest", None), } -intersphinx_disabled_reftypes = [] +intersphinx_disabled_reftypes: Sequence[str] = [] -# Options for sphinx-hoverxref options -# ------------------------------------ +# -- Options for sphinx-hoverxref extension ---------------------------------- +# https://sphinx-hoverxref.readthedocs.io/en/latest/configuration.html hoverxref_auto_ref = True hoverxref_role_types = { @@ -309,15 +174,3 @@ hoverxref_role_types = { "signal": "tooltip", } hoverxref_roles = ["command", "reqmeta", "setting", "signal"] - - -def setup(app): - app.connect("autodoc-skip-member", maybe_skip_member) - - -def maybe_skip_member(app, what, name, obj, skip, options): - if not skip: - # autodocs was generating a text "alias of" for the following members - # https://github.com/sphinx-doc/sphinx/issues/4422 - return name in {"default_item_class", "default_selector_class"} - return skip From 14219b1fca86f2229d2b69455bdbb4eb952cf504 Mon Sep 17 00:00:00 2001 From: Laerte Pereira <laertefbk@gmail.com> Date: Wed, 22 Jan 2025 07:16:22 -0300 Subject: [PATCH 373/786] fix: test_s3_export fails with boto3 >= 1.36.0 --- tests/test_feedexport.py | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py index 0f149f172..81d05e2a3 100644 --- a/tests/test_feedexport.py +++ b/tests/test_feedexport.py @@ -2622,18 +2622,24 @@ class BatchDeliveriesTest(FeedExportTestBase): stubs = [] def open(self, *args, **kwargs): + from botocore import __version__ as botocore_version from botocore.stub import ANY, Stubber + from packaging.version import Version + + expected_params = { + "Body": ANY, + "Bucket": bucket, + "Key": ANY, + } + if Version(botocore_version) >= Version("1.36.0"): + expected_params["ChecksumAlgorithm"] = ANY stub = Stubber(self.s3_client) stub.activate() CustomS3FeedStorage.stubs.append(stub) stub.add_response( "put_object", - expected_params={ - "Body": ANY, - "Bucket": bucket, - "Key": ANY, - }, + expected_params=expected_params, service_response={}, ) return super().open(*args, **kwargs) From 9bc0029d27d8ed719e2cc2e9077a81450b995b96 Mon Sep 17 00:00:00 2001 From: guillermo-bondonno <95530227+guillermo-bondonno@users.noreply.github.com> Date: Wed, 22 Jan 2025 08:07:44 -0300 Subject: [PATCH 374/786] Allow updating pre-crawler settings from add-ons (#6568) --- docs/topics/addons.rst | 11 +- docs/topics/practices.rst | 22 +-- docs/topics/settings.rst | 151 +++++++++++++----- scrapy/addons.py | 22 ++- scrapy/crawler.py | 1 + tests/test_spiderloader/__init__.py | 19 +++ .../spiders_from_addons/__init__.py | 0 .../spiders_from_addons/spider0.py | 6 + 8 files changed, 171 insertions(+), 61 deletions(-) create mode 100644 tests/test_spiderloader/spiders_from_addons/__init__.py create mode 100644 tests/test_spiderloader/spiders_from_addons/spider0.py diff --git a/docs/topics/addons.rst b/docs/topics/addons.rst index 14b4aa8ba..46cf1edbd 100644 --- a/docs/topics/addons.rst +++ b/docs/topics/addons.rst @@ -32,7 +32,7 @@ This is an example where two add-ons are enabled in a project's Writing your own add-ons ======================== -Add-ons are Python classes that include the following method: +Add-ons are Python classes that include one or both of the following methods: .. method:: update_settings(settings) @@ -45,6 +45,15 @@ Add-ons are Python classes that include the following method: :param settings: The settings object storing Scrapy/component configuration :type settings: :class:`~scrapy.settings.Settings` +.. classmethod:: update_pre_crawler_settings(cls, settings) + + Use this class method instead of the :meth:`update_settings` method to + update :ref:`pre-crawler settings <pre-crawler-settings>` whose value is + used before the :class:`~scrapy.crawler.Crawler` object is created. + + :param settings: The settings object storing Scrapy/component configuration + :type settings: :class:`~scrapy.settings.BaseSettings` + They can also have the following method: .. classmethod:: from_crawler(cls, crawler) diff --git a/docs/topics/practices.rst b/docs/topics/practices.rst index 1500011e7..5f6798601 100644 --- a/docs/topics/practices.rst +++ b/docs/topics/practices.rst @@ -246,24 +246,10 @@ Same example but running the spiders sequentially by chaining the deferreds: crawl() reactor.run() # the script will block here until the last crawl call is finished -Different spiders can set different values for the same setting, but when they -run in the same process it may be impossible, by design or because of some -limitations, to use these different values. What happens in practice is -different for different settings: - -* :setting:`SPIDER_LOADER_CLASS` and the ones used by its value - (:setting:`SPIDER_MODULES`, :setting:`SPIDER_LOADER_WARN_ONLY` for the - default one) cannot be read from the per-spider settings. These are applied - when the :class:`~scrapy.crawler.CrawlerRunner` or - :class:`~scrapy.crawler.CrawlerProcess` object is created. -* For :setting:`TWISTED_REACTOR` and :setting:`ASYNCIO_EVENT_LOOP` the first - available value is used, and if a spider requests a different reactor an - exception will be raised. These are applied when the reactor is installed. -* For :setting:`REACTOR_THREADPOOL_MAXSIZE`, :setting:`DNS_RESOLVER` and the - ones used by the resolver (:setting:`DNSCACHE_ENABLED`, - :setting:`DNSCACHE_SIZE`, :setting:`DNS_TIMEOUT` for ones included in Scrapy) - the first available value is used. These are applied when the reactor is - started. +.. note:: When running multiple spiders in the same process, :ref:`reactor + settings <reactor-settings>` should not have a different value per spider. + Also, :ref:`pre-crawler settings <pre-crawler-settings>` cannot be defined + per spider. .. seealso:: :ref:`run-from-script`. diff --git a/docs/topics/settings.rst b/docs/topics/settings.rst index 8801434d8..a53e0806d 100644 --- a/docs/topics/settings.rst +++ b/docs/topics/settings.rst @@ -33,42 +33,48 @@ Python :ref:`import search path <tut-searchpath>`. Populating the settings ======================= -Settings can be populated using different mechanisms, each of which having a -different precedence. Here is the list of them in decreasing order of -precedence: +Settings can be populated using different mechanisms, each of which has a +different precedence: - 1. Command line options (most precedence) - 2. Settings per-spider - 3. Project settings module - 4. Settings set by add-ons - 5. Default settings per-command - 6. Default global settings (less precedence) + 1. :ref:`Command-line settings <cli-settings>` (highest precedence) + 2. :ref:`Spider settings <spider-settings>` + 3. :ref:`Project settings <project-settings>` + 4. :ref:`Add-on settings <addon-settings>` + 5. :ref:`Command-specific default settings <cmd-default-settings>` + 6. :ref:`Global default settings <default-settings>` (lowest precedence) -The population of these settings sources is taken care of internally, but a -manual handling is possible using API calls. See the -:ref:`topics-api-settings` topic for reference. +.. _cli-settings: -These mechanisms are described in more detail below. +1. Command-line settings +------------------------ -1. Command line options ------------------------ +Settings set in the command line have the highest precedence, overriding any +other settings. -Arguments provided by the command line are the ones that take most precedence, -overriding any other options. You can explicitly override one (or more) -settings using the ``-s`` (or ``--set``) command line option. +You can explicitly override one or more settings using the ``-s`` (or +``--set``) command-line option. .. highlight:: sh Example:: - scrapy crawl myspider -s LOG_FILE=scrapy.log + scrapy crawl myspider -s LOG_LEVEL=INFO -s LOG_FILE=scrapy.log -2. Settings per-spider ----------------------- +.. _spider-settings: -Spiders (See the :ref:`topics-spiders` chapter for reference) can define their -own settings that will take precedence and override the project ones. One way -to do so is by setting their :attr:`~scrapy.Spider.custom_settings` attribute: +2. Spider settings +------------------ + +:ref:`Spiders <topics-spiders>` can define their own settings that will take +precedence and override the project ones. + +.. note:: :ref:`Pre-crawler settings <pre-crawler-settings>` cannot be defined + per spider, and :ref:`reactor settings <reactor-settings>` should not have + a different value per spider when :ref:`running multiple spiders in the + same process <run-multiple-spiders>`. + +One way to do so is by setting their :attr:`~scrapy.Spider.custom_settings` +attribute: .. code-block:: python @@ -83,7 +89,7 @@ to do so is by setting their :attr:`~scrapy.Spider.custom_settings` attribute: } It's often better to implement :meth:`~scrapy.Spider.update_settings` instead, -and settings set there should use the "spider" priority explicitly: +and settings set there should use the ``"spider"`` priority explicitly: .. code-block:: python @@ -121,27 +127,37 @@ arguments <spiderargs>` or other logic: ) return spider -3. Project settings module --------------------------- +.. _project-settings: -The project settings module is the standard configuration file for your Scrapy -project, it's where most of your custom settings will be populated. For a -standard Scrapy project, this means you'll be adding or changing the settings -in the ``settings.py`` file created for your project. +3. Project settings +------------------- -4. Settings set by add-ons --------------------------- +Scrapy projects include a settings module, usually a file called +``settings.py``, where you should populate most settings that apply to all your +spiders. + +.. seealso:: :ref:`topics-settings-module-envvar` + +.. _addon-settings: + +4. Add-on settings +------------------ :ref:`Add-ons <topics-addons>` can modify settings. They should do this with -this priority, though this is not enforced. +``"addon"`` priority where possible. -5. Default settings per-command -------------------------------- +.. _cmd-default-settings: -Each :doc:`Scrapy tool </topics/commands>` command can have its own default -settings, which override the global default settings. Those custom command -settings are specified in the ``default_settings`` attribute of the command -class. +5. Command-specific default settings +------------------------------------ + +Each :ref:`Scrapy command <topics-commands>` can have its own default settings, +which override the :ref:`global default settings <default-settings>`. + +Those command-specific default settings are specified in the +``default_settings`` attribute of each command class. + +.. _default-settings: 6. Default global settings -------------------------- @@ -234,6 +250,61 @@ example, proper setting names for a fictional robots.txt extension would be ``ROBOTSTXT_ENABLED``, ``ROBOTSTXT_OBEY``, ``ROBOTSTXT_CACHEDIR``, etc. +Special settings +================ + +The following settings work slightly differently than all other settings. + +.. _pre-crawler-settings: + +Pre-crawler settings +-------------------- + +**Pre-crawler settings** are settings used before the +:class:`~scrapy.crawler.Crawler` object is created. + +These settings cannot be :ref:`set from a spider <spider-settings>`. + +These settings are :setting:`SPIDER_LOADER_CLASS` and settings used by the +corresponding :ref:`component <topics-components>`, e.g. +:setting:`SPIDER_MODULES` and :setting:`SPIDER_LOADER_WARN_ONLY` for the +default component. + + +.. _reactor-settings: + +Reactor settings +---------------- + +**Reactor settings** are settings tied to the :doc:`Twisted reactor +<twisted:core/howto/reactor-basics>`. + +These settings can be defined from a spider. However, because only 1 reactor +can be used per process, these settings cannot use a different value per spider +when :ref:`running multiple spiders in the same process +<run-multiple-spiders>`. + +In general, if different spiders define different values, the first defined +value is used. However, if two spiders request a different reactor, an +exception is raised. + +These settings are: + +- :setting:`ASYNCIO_EVENT_LOOP` + +- :setting:`DNS_RESOLVER` and settings used by the corresponding + component, e.g. :setting:`DNSCACHE_ENABLED`, :setting:`DNSCACHE_SIZE` + and :setting:`DNS_TIMEOUT` for the default one. + +- :setting:`REACTOR_THREADPOOL_MAXSIZE` + +- :setting:`TWISTED_REACTOR` + +:setting:`ASYNCIO_EVENT_LOOP` and :setting:`TWISTED_REACTOR` are used upon +installing the reactor. The rest of the settings are applied when starting +the reactor. + + .. _topics-settings-ref: Built-in settings reference diff --git a/scrapy/addons.py b/scrapy/addons.py index 7a1da3afc..1024d2dcd 100644 --- a/scrapy/addons.py +++ b/scrapy/addons.py @@ -9,7 +9,7 @@ from scrapy.utils.misc import build_from_crawler, load_object if TYPE_CHECKING: from scrapy.crawler import Crawler - from scrapy.settings import Settings + from scrapy.settings import BaseSettings, Settings logger = logging.getLogger(__name__) @@ -36,7 +36,8 @@ class AddonManager: try: addoncls = load_object(clspath) addon = build_from_crawler(addoncls, self.crawler) - addon.update_settings(settings) + if hasattr(addon, "update_settings"): + addon.update_settings(settings) self.addons.append(addon) except NotConfigured as e: if e.args: @@ -52,3 +53,20 @@ class AddonManager: }, extra={"crawler": self.crawler}, ) + + @classmethod + def load_pre_crawler_settings(cls, settings: BaseSettings): + """Update early settings that do not require a crawler instance, such as SPIDER_MODULES. + + Similar to the load_settings method, this loads each add-on configured in the + ``ADDONS`` setting and calls their 'update_pre_crawler_settings' class method if present. + This method doesn't have access to the crawler instance or the addons list. + + :param settings: The :class:`~scrapy.settings.BaseSettings` object from \ + which to read the early add-on configuration + :type settings: :class:`~scrapy.settings.Settings` + """ + for clspath in build_component_list(settings["ADDONS"]): + addoncls = load_object(clspath) + if hasattr(addoncls, "update_pre_crawler_settings"): + addoncls.update_pre_crawler_settings(settings) diff --git a/scrapy/crawler.py b/scrapy/crawler.py index f6dbe053a..1aa68cb00 100644 --- a/scrapy/crawler.py +++ b/scrapy/crawler.py @@ -292,6 +292,7 @@ class CrawlerRunner: def __init__(self, settings: dict[str, Any] | Settings | None = None): if isinstance(settings, dict) or settings is None: settings = Settings(settings) + AddonManager.load_pre_crawler_settings(settings) self.settings: Settings = settings self.spider_loader: SpiderLoader = self._get_spider_loader(settings) self._crawlers: set[Crawler] = set() diff --git a/tests/test_spiderloader/__init__.py b/tests/test_spiderloader/__init__.py index d5aac34eb..705f722b3 100644 --- a/tests/test_spiderloader/__init__.py +++ b/tests/test_spiderloader/__init__.py @@ -97,6 +97,25 @@ class SpiderLoaderTest(unittest.TestCase): self.spider_loader = SpiderLoader.from_settings(settings) assert len(self.spider_loader._spiders) == 0 + def test_load_spider_module_from_addons(self): + module = "tests.test_spiderloader.spiders_from_addons.spider0" + + class SpiderModuleAddon: + @classmethod + def update_pre_crawler_settings(cls, settings): + settings.set( + "SPIDER_MODULES", + [module], + "project", + ) + + runner = CrawlerRunner({"ADDONS": {SpiderModuleAddon: 1}}) + + crawler = runner.create_crawler("spider_from_addon") + self.assertTrue(issubclass(crawler.spidercls, scrapy.Spider)) + self.assertEqual(crawler.spidercls.name, "spider_from_addon") + self.assertTrue(len(crawler.settings["SPIDER_MODULES"]) == 1) + def test_crawler_runner_loading(self): module = "tests.test_spiderloader.test_spiders.spider1" runner = CrawlerRunner( diff --git a/tests/test_spiderloader/spiders_from_addons/__init__.py b/tests/test_spiderloader/spiders_from_addons/__init__.py new file mode 100644 index 000000000..e69de29bb diff --git a/tests/test_spiderloader/spiders_from_addons/spider0.py b/tests/test_spiderloader/spiders_from_addons/spider0.py new file mode 100644 index 000000000..45c3f64a7 --- /dev/null +++ b/tests/test_spiderloader/spiders_from_addons/spider0.py @@ -0,0 +1,6 @@ +from scrapy.spiders import Spider + + +class SpiderFromAddon(Spider): + name = "spider_from_addon" + allowed_domains = ["scrapy1.org", "scrapy3.org"] From 7e61ff352439d3e5c85785fc26b5503e4fed67b8 Mon Sep 17 00:00:00 2001 From: Rotzbua <Rotzbua@users.noreply.github.com> Date: Wed, 22 Jan 2025 18:09:42 +0100 Subject: [PATCH 375/786] Upgrade Sphinx (#6624) --- docs/_ext/scrapydocs.py | 130 +++++++++++++++++++++------------------- docs/requirements.txt | 2 +- 2 files changed, 71 insertions(+), 61 deletions(-) diff --git a/docs/_ext/scrapydocs.py b/docs/_ext/scrapydocs.py index 9b63f39f6..4ceb003c7 100644 --- a/docs/_ext/scrapydocs.py +++ b/docs/_ext/scrapydocs.py @@ -1,63 +1,67 @@ # pylint: disable=import-error +from collections.abc import Sequence from operator import itemgetter +from typing import Any, TypedDict from docutils import nodes +from docutils.nodes import Element, General, Node, document from docutils.parsers.rst import Directive -from docutils.parsers.rst.roles import set_classes +from sphinx.application import Sphinx from sphinx.util.nodes import make_refnode -class settingslist_node(nodes.General, nodes.Element): +class SettingData(TypedDict): + docname: str + setting_name: str + refid: str + + +class SettingslistNode(General, Element): pass class SettingsListDirective(Directive): - def run(self): - return [settingslist_node("")] + def run(self) -> Sequence[Node]: + return [SettingslistNode()] -def is_setting_index(node): - if node.tagname == "index" and node["entries"]: +def is_setting_index(node: Node) -> bool: + if node.tagname == "index" and node["entries"]: # type: ignore[index,attr-defined] # index entries for setting directives look like: # [('pair', 'SETTING_NAME; setting', 'std:setting-SETTING_NAME', '')] - entry_type, info, refid = node["entries"][0][:3] + entry_type, info, refid = node["entries"][0][:3] # type: ignore[index] return entry_type == "pair" and info.endswith("; setting") return False -def get_setting_target(node): - # target nodes are placed next to the node in the doc tree - return node.parent[node.parent.index(node) + 1] - - -def get_setting_name_and_refid(node): +def get_setting_name_and_refid(node: Node) -> tuple[str, str]: """Extract setting name from directive index node""" - entry_type, info, refid = node["entries"][0][:3] + entry_type, info, refid = node["entries"][0][:3] # type: ignore[index] return info.replace("; setting", ""), refid -def collect_scrapy_settings_refs(app, doctree): +def collect_scrapy_settings_refs(app: Sphinx, doctree: document) -> None: env = app.builder.env if not hasattr(env, "scrapy_all_settings"): - env.scrapy_all_settings = [] - - for node in doctree.traverse(is_setting_index): - targetnode = get_setting_target(node) - assert isinstance(targetnode, nodes.target), "Next node is not a target" + emptyList: list[SettingData] = [] + env.scrapy_all_settings = emptyList # type: ignore[attr-defined] + for node in doctree.findall(is_setting_index): setting_name, refid = get_setting_name_and_refid(node) - env.scrapy_all_settings.append( - { - "docname": env.docname, - "setting_name": setting_name, - "refid": refid, - } + env.scrapy_all_settings.append( # type: ignore[attr-defined] + SettingData( + docname=env.docname, + setting_name=setting_name, + refid=refid, + ) ) -def make_setting_element(setting_data, app, fromdocname): +def make_setting_element( + setting_data: SettingData, app: Sphinx, fromdocname: str +) -> Any: refnode = make_refnode( app.builder, fromdocname, @@ -73,22 +77,56 @@ def make_setting_element(setting_data, app, fromdocname): return item -def replace_settingslist_nodes(app, doctree, fromdocname): +def replace_settingslist_nodes( + app: Sphinx, doctree: document, fromdocname: str +) -> None: env = app.builder.env - for node in doctree.traverse(settingslist_node): + for node in doctree.findall(SettingslistNode): settings_list = nodes.bullet_list() settings_list.extend( [ make_setting_element(d, app, fromdocname) - for d in sorted(env.scrapy_all_settings, key=itemgetter("setting_name")) + for d in sorted(env.scrapy_all_settings, key=itemgetter("setting_name")) # type: ignore[attr-defined] if fromdocname != d["docname"] ] ) node.replace_self(settings_list) -def setup(app): +def source_role( + name, rawtext, text: str, lineno, inliner, options=None, content=None +) -> tuple[list[Any], list[Any]]: + ref = "https://github.com/scrapy/scrapy/blob/master/" + text + node = nodes.reference(rawtext, text, refuri=ref, **options) + return [node], [] + + +def issue_role( + name, rawtext, text: str, lineno, inliner, options=None, content=None +) -> tuple[list[Any], list[Any]]: + ref = "https://github.com/scrapy/scrapy/issues/" + text + node = nodes.reference(rawtext, "issue " + text, refuri=ref) + return [node], [] + + +def commit_role( + name, rawtext, text: str, lineno, inliner, options=None, content=None +) -> tuple[list[Any], list[Any]]: + ref = "https://github.com/scrapy/scrapy/commit/" + text + node = nodes.reference(rawtext, "commit " + text, refuri=ref) + return [node], [] + + +def rev_role( + name, rawtext, text: str, lineno, inliner, options=None, content=None +) -> tuple[list[Any], list[Any]]: + ref = "http://hg.scrapy.org/scrapy/changeset/" + text + node = nodes.reference(rawtext, "r" + text, refuri=ref) + return [node], [] + + +def setup(app: Sphinx) -> None: app.add_crossref_type( directivename="setting", rolename="setting", @@ -114,36 +152,8 @@ def setup(app): app.add_role("issue", issue_role) app.add_role("rev", rev_role) - app.add_node(settingslist_node) + app.add_node(SettingslistNode) app.add_directive("settingslist", SettingsListDirective) app.connect("doctree-read", collect_scrapy_settings_refs) app.connect("doctree-resolved", replace_settingslist_nodes) - - -def source_role(name, rawtext, text, lineno, inliner, options={}, content=[]): - ref = "https://github.com/scrapy/scrapy/blob/master/" + text - set_classes(options) - node = nodes.reference(rawtext, text, refuri=ref, **options) - return [node], [] - - -def issue_role(name, rawtext, text, lineno, inliner, options={}, content=[]): - ref = "https://github.com/scrapy/scrapy/issues/" + text - set_classes(options) - node = nodes.reference(rawtext, "issue " + text, refuri=ref, **options) - return [node], [] - - -def commit_role(name, rawtext, text, lineno, inliner, options={}, content=[]): - ref = "https://github.com/scrapy/scrapy/commit/" + text - set_classes(options) - node = nodes.reference(rawtext, "commit " + text, refuri=ref, **options) - return [node], [] - - -def rev_role(name, rawtext, text, lineno, inliner, options={}, content=[]): - ref = "http://hg.scrapy.org/scrapy/changeset/" + text - set_classes(options) - node = nodes.reference(rawtext, "r" + text, refuri=ref, **options) - return [node], [] diff --git a/docs/requirements.txt b/docs/requirements.txt index 7ee897170..e2abe76d9 100644 --- a/docs/requirements.txt +++ b/docs/requirements.txt @@ -1,4 +1,4 @@ -sphinx==6.2.1 +sphinx==8.1.3 sphinx-hoverxref==1.4.2 sphinx-notfound-page==1.0.4 sphinx-rtd-theme==3.0.2 From d4b152bbf64591317d2d7ec9dfed0746e7bdb8e1 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 23 Jan 2025 12:22:18 +0400 Subject: [PATCH 376/786] Drop PyPy 3.9, add a pypy3-extra-deps CI job. (#6613) --- .github/workflows/tests-ubuntu.yml | 8 ++++---- tox.ini | 28 +++++++++++++++++++++++++--- 2 files changed, 29 insertions(+), 7 deletions(-) diff --git a/.github/workflows/tests-ubuntu.yml b/.github/workflows/tests-ubuntu.yml index 89d1e70ac..6c7842217 100644 --- a/.github/workflows/tests-ubuntu.yml +++ b/.github/workflows/tests-ubuntu.yml @@ -30,9 +30,6 @@ jobs: - python-version: "3.13" env: TOXENV: asyncio - - python-version: pypy3.9 - env: - TOXENV: pypy3 - python-version: pypy3.10 env: TOXENV: pypy3 @@ -44,7 +41,7 @@ jobs: - python-version: 3.9.19 env: TOXENV: asyncio-pinned - - python-version: pypy3.9 + - python-version: pypy3.10 env: TOXENV: pypy3-pinned - python-version: 3.9.19 @@ -57,6 +54,9 @@ jobs: - python-version: "3.13" env: TOXENV: extra-deps + - python-version: pypy3.10 + env: + TOXENV: pypy3-extra-deps - python-version: "3.13" env: TOXENV: botocore diff --git a/tox.ini b/tox.ini index cf5e19a61..0f91db19d 100644 --- a/tox.ini +++ b/tox.ini @@ -118,6 +118,7 @@ setenv = install_command = python -I -m pip install {opts} {packages} commands = + ; tests for docs fail with parsel < 1.8.0 pytest --cov-config=pyproject.toml --cov=scrapy --cov-report=xml --cov-report= {posargs:--durations=10 scrapy tests} [testenv:pinned] @@ -191,14 +192,35 @@ setenv = [testenv:pypy3] basepython = pypy3 commands = + ; not enabling coverage as it significantly increases the run time pytest {posargs:--durations=10 docs scrapy tests} -[testenv:pypy3-pinned] -basepython = pypy3.9 +[testenv:pypy3-extra-deps] +basepython = pypy3 deps = - {[pinned]deps} + {[testenv:extra-deps]deps} +commands = {[testenv:pypy3]commands} + +[testenv:pypy3-pinned] +basepython = pypy3.10 +deps = + cryptography==41.0.5 + cssselect==0.9.1 + h2==3.1 + itemadapter==0.1.0 + parsel==1.5.0 + Protego==0.1.15 + pyOpenSSL==23.3.0 + queuelib==1.4.2 + service_identity==18.1.0 + Twisted[http2]==21.7.0 + w3lib==1.17.0 + zope.interface==5.1.0 + lxml==4.6.0 + {[test-requirements]deps} PyPyDispatcher==2.1.0 commands = + ; disabling both coverage and docs tests pytest {posargs:--durations=10 scrapy tests} install_command = {[pinned]install_command} setenv = From c03fb2abb8c354c56c4e8363fc602d49f956c280 Mon Sep 17 00:00:00 2001 From: anubhav <protokoul@users.noreply.github.com> Date: Thu, 23 Jan 2025 21:36:45 +0530 Subject: [PATCH 377/786] fix: added feed_options as a keyword argument to GCSFeedStorage. (#6628) --- scrapy/extensions/feedexport.py | 25 +++++++++++++++++++++++-- tests/test_feedexport.py | 15 +++++++++++++++ 2 files changed, 38 insertions(+), 2 deletions(-) diff --git a/scrapy/extensions/feedexport.py b/scrapy/extensions/feedexport.py index c6e2aa0dd..8bcd4e40d 100644 --- a/scrapy/extensions/feedexport.py +++ b/scrapy/extensions/feedexport.py @@ -276,7 +276,14 @@ class S3FeedStorage(BlockingFeedStorage): class GCSFeedStorage(BlockingFeedStorage): - def __init__(self, uri: str, project_id: str | None, acl: str | None): + def __init__( + self, + uri: str, + project_id: str | None, + acl: str | None, + *, + feed_options: dict[str, Any] | None = None, + ): self.project_id: str | None = project_id self.acl: str | None = acl u = urlparse(uri) @@ -284,12 +291,26 @@ class GCSFeedStorage(BlockingFeedStorage): self.bucket_name: str = u.hostname self.blob_name: str = u.path[1:] # remove first "/" + if feed_options and feed_options.get("overwrite", True) is False: + logger.warning( + "GCS does not support appending to files. To " + "suppress this warning, remove the overwrite " + "option from your FEEDS setting or set it to True." + ) + @classmethod - def from_crawler(cls, crawler: Crawler, uri: str) -> Self: + def from_crawler( + cls, + crawler: Crawler, + uri: str, + *, + feed_options: dict[str, Any] | None = None, + ) -> Self: return cls( uri, crawler.settings["GCS_PROJECT_ID"], crawler.settings["FEED_STORAGE_GCS_ACL"] or None, + feed_options=feed_options, ) def _store_in_thread(self, file: IO[bytes]) -> None: diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py index 81d05e2a3..7edffa1f6 100644 --- a/tests/test_feedexport.py +++ b/tests/test_feedexport.py @@ -523,6 +523,21 @@ class GCSFeedStorageTest(unittest.TestCase): bucket_mock.blob.assert_called_once_with("export.csv") blob_mock.upload_from_file.assert_called_once_with(f, predefined_acl=acl) + def test_overwrite_default(self): + with LogCapture() as log: + GCSFeedStorage("gs://mybucket/export.csv", "myproject-123", "custom-acl") + self.assertNotIn("GCS does not support appending to files", str(log)) + + def test_overwrite_false(self): + with LogCapture() as log: + GCSFeedStorage( + "gs://mybucket/export.csv", + "myproject-123", + "custom-acl", + feed_options={"overwrite": False}, + ) + self.assertIn("GCS does not support appending to files", str(log)) + class StdoutFeedStorageTest(unittest.TestCase): @defer.inlineCallbacks From cec0aeca58730b592bec50299414d4bf30fc9ec0 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Mon, 27 Jan 2025 14:07:09 +0400 Subject: [PATCH 378/786] Bump ruff, switch from black to ruff-format (#6631) --- .pre-commit-config.yaml | 7 +- scrapy/commands/genspider.py | 6 +- scrapy/core/downloader/handlers/__init__.py | 13 ++-- scrapy/core/http2/stream.py | 8 +-- scrapy/downloadermiddlewares/cookies.py | 3 +- scrapy/downloadermiddlewares/offsite.py | 2 +- scrapy/downloadermiddlewares/robotstxt.py | 4 +- scrapy/downloadermiddlewares/stats.py | 2 +- scrapy/extensions/telnet.py | 4 +- scrapy/http/headers.py | 3 +- scrapy/http/request/form.py | 1 - scrapy/http/response/__init__.py | 3 +- scrapy/linkextractors/lxmlhtml.py | 1 - scrapy/pipelines/files.py | 4 +- scrapy/selector/unified.py | 3 +- scrapy/settings/__init__.py | 2 +- scrapy/settings/default_settings.py | 2 +- scrapy/spidermiddlewares/offsite.py | 2 +- scrapy/squeues.py | 16 +++-- scrapy/utils/curl.py | 5 +- scrapy/utils/defer.py | 2 +- scrapy/utils/iterators.py | 2 +- scrapy/utils/log.py | 1 - scrapy/utils/python.py | 7 +- tests/spiders.py | 6 +- tests/test_contracts.py | 3 +- tests/test_downloadermiddleware_httpproxy.py | 6 +- tests/test_downloadermiddleware_redirect.py | 24 +++---- tests/test_downloaderslotssettings.py | 6 +- tests/test_engine.py | 12 ++-- tests/test_engine_stop_download_headers.py | 6 +- tests/test_exporters.py | 4 +- tests/test_feedexport.py | 76 +++++++++----------- tests/test_http_request.py | 12 ++-- tests/test_http_response.py | 6 +- tests/test_item.py | 4 +- tests/test_pipeline_files.py | 2 +- tests/test_pipeline_media.py | 4 -- tests/test_robotstxt_interface.py | 7 +- tests/test_selector.py | 6 +- tests/test_utils_response.py | 30 ++++---- tests/test_utils_url.py | 6 +- 42 files changed, 151 insertions(+), 172 deletions(-) diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml index c76c613d9..18402b908 100644 --- a/.pre-commit-config.yaml +++ b/.pre-commit-config.yaml @@ -1,13 +1,10 @@ repos: - repo: https://github.com/astral-sh/ruff-pre-commit - rev: v0.8.4 + rev: v0.9.3 hooks: - id: ruff args: [ --fix ] -- repo: https://github.com/psf/black.git - rev: 24.10.0 - hooks: - - id: black + - id: ruff-format - repo: https://github.com/adamchainz/blacken-docs rev: 1.19.1 hooks: diff --git a/scrapy/commands/genspider.py b/scrapy/commands/genspider.py index 2a1dea997..6d4aec3d8 100644 --- a/scrapy/commands/genspider.py +++ b/scrapy/commands/genspider.py @@ -188,9 +188,9 @@ class Command(ScrapyCommand): return True return False - assert ( - self.crawler_process is not None - ), "crawler_process must be set before calling run" + assert self.crawler_process is not None, ( + "crawler_process must be set before calling run" + ) try: spidercls = self.crawler_process.spider_loader.load(name) diff --git a/scrapy/core/downloader/handlers/__init__.py b/scrapy/core/downloader/handlers/__init__.py index 7f3da67eb..902f200b8 100644 --- a/scrapy/core/downloader/handlers/__init__.py +++ b/scrapy/core/downloader/handlers/__init__.py @@ -34,13 +34,12 @@ class DownloadHandlerProtocol(Protocol): class DownloadHandlers: def __init__(self, crawler: Crawler): self._crawler: Crawler = crawler - self._schemes: dict[str, str | Callable[..., Any]] = ( - {} - ) # stores acceptable schemes on instancing - self._handlers: dict[str, DownloadHandlerProtocol] = ( - {} - ) # stores instanced handlers for schemes - self._notconfigured: dict[str, str] = {} # remembers failed handlers + # stores acceptable schemes on instancing + self._schemes: dict[str, str | Callable[..., Any]] = {} + # stores instanced handlers for schemes + self._handlers: dict[str, DownloadHandlerProtocol] = {} + # remembers failed handlers + self._notconfigured: dict[str, str] = {} handlers: dict[str, str | Callable[..., Any]] = without_none_values( cast( "dict[str, str | Callable[..., Any]]", diff --git a/scrapy/core/http2/stream.py b/scrapy/core/http2/stream.py index a4dc89c18..afca99dcf 100644 --- a/scrapy/core/http2/stream.py +++ b/scrapy/core/http2/stream.py @@ -193,7 +193,7 @@ class Stream: url.netloc == str(self._protocol.metadata["uri"].host, "utf-8") or url.netloc == str(self._protocol.metadata["uri"].netloc, "utf-8") or url.netloc - == f'{self._protocol.metadata["ip_address"]}:{self._protocol.metadata["uri"].port}' + == f"{self._protocol.metadata['ip_address']}:{self._protocol.metadata['uri'].port}" ) def _get_request_headers(self) -> list[tuple[str, str]]: @@ -339,7 +339,7 @@ class Stream: if self._log_warnsize: self.metadata["reached_warnsize"] = True warning_msg = ( - f'Received more ({self._response["flow_controlled_size"]}) bytes than download ' + f"Received more ({self._response['flow_controlled_size']}) bytes than download " f"warn size ({self._download_warnsize}) in request {self._request}" ) logger.warning(warning_msg) @@ -445,7 +445,7 @@ class Stream: ResponseFailed( [ Failure( - f'Remote peer {self._protocol.metadata["ip_address"]} sent RST_STREAM', + f"Remote peer {self._protocol.metadata['ip_address']} sent RST_STREAM", ProtocolError, ) ] @@ -465,7 +465,7 @@ class Stream: InvalidHostname( self._request, str(self._protocol.metadata["uri"].host, "utf-8"), - f'{self._protocol.metadata["ip_address"]}:{self._protocol.metadata["uri"].port}', + f"{self._protocol.metadata['ip_address']}:{self._protocol.metadata['uri'].port}", ) ) diff --git a/scrapy/downloadermiddlewares/cookies.py b/scrapy/downloadermiddlewares/cookies.py index 43348f632..9156b8c3a 100644 --- a/scrapy/downloadermiddlewares/cookies.py +++ b/scrapy/downloadermiddlewares/cookies.py @@ -54,8 +54,7 @@ class CookiesMiddleware: ) -> None: for cookie in cookies: cookie_domain = cookie.domain - if cookie_domain.startswith("."): - cookie_domain = cookie_domain[1:] + cookie_domain = cookie_domain.removeprefix(".") hostname = urlparse_cached(request).hostname assert hostname is not None diff --git a/scrapy/downloadermiddlewares/offsite.py b/scrapy/downloadermiddlewares/offsite.py index a2cff65e7..787c46a60 100644 --- a/scrapy/downloadermiddlewares/offsite.py +++ b/scrapy/downloadermiddlewares/offsite.py @@ -89,5 +89,5 @@ class OffsiteMiddleware: warnings.warn(message) else: domains.append(re.escape(domain)) - regex = rf'^(.*\.)?({"|".join(domains)})$' + regex = rf"^(.*\.)?({'|'.join(domains)})$" return re.compile(regex) diff --git a/scrapy/downloadermiddlewares/robotstxt.py b/scrapy/downloadermiddlewares/robotstxt.py index 9411cff14..aba455bdd 100644 --- a/scrapy/downloadermiddlewares/robotstxt.py +++ b/scrapy/downloadermiddlewares/robotstxt.py @@ -63,7 +63,9 @@ class RobotsTxtMiddleware: if request.url.startswith("data:") or request.url.startswith("file:"): return None d: Deferred[RobotParser | None] = maybeDeferred( - self.robot_parser, request, spider # type: ignore[call-overload] + self.robot_parser, + request, + spider, # type: ignore[call-overload] ) d2: Deferred[None] = d.addCallback(self.process_request_2, request, spider) return d2 diff --git a/scrapy/downloadermiddlewares/stats.py b/scrapy/downloadermiddlewares/stats.py index fb0f30620..cb5887a6f 100644 --- a/scrapy/downloadermiddlewares/stats.py +++ b/scrapy/downloadermiddlewares/stats.py @@ -19,7 +19,7 @@ if TYPE_CHECKING: def get_header_size( - headers: dict[str, list[str | bytes] | tuple[str | bytes, ...]] + headers: dict[str, list[str | bytes] | tuple[str | bytes, ...]], ) -> int: size = 0 for key, value in headers.items(): diff --git a/scrapy/extensions/telnet.py b/scrapy/extensions/telnet.py index 189b1953b..ac832e025 100644 --- a/scrapy/extensions/telnet.py +++ b/scrapy/extensions/telnet.py @@ -84,9 +84,7 @@ class TelnetConsole(protocol.ServerFactory): """An implementation of IPortal""" @defers - def login( - self_, credentials, mind, *interfaces - ): # pylint: disable=no-self-argument + def login(self_, credentials, mind, *interfaces): # pylint: disable=no-self-argument if not ( credentials.username == self.username.encode("utf8") and credentials.checkPassword(self.password.encode("utf8")) diff --git a/scrapy/http/headers.py b/scrapy/http/headers.py index 29ba9533b..60b04753b 100644 --- a/scrapy/http/headers.py +++ b/scrapy/http/headers.py @@ -105,7 +105,8 @@ class Headers(CaselessDict): def values(self) -> list[bytes | None]: # type: ignore[override] return [ - self[k] for k in self.keys() # pylint: disable=consider-using-dict-items + self[k] + for k in self.keys() # pylint: disable=consider-using-dict-items ] def to_string(self) -> bytes: diff --git a/scrapy/http/request/form.py b/scrapy/http/request/form.py index de3b24de0..7681419c4 100644 --- a/scrapy/http/request/form.py +++ b/scrapy/http/request/form.py @@ -24,7 +24,6 @@ from scrapy.http.request import Request from scrapy.utils.python import is_listlike, to_bytes if TYPE_CHECKING: - # typing.Self requires Python 3.11 from typing_extensions import Self diff --git a/scrapy/http/response/__init__.py b/scrapy/http/response/__init__.py index b84110b29..de2188ceb 100644 --- a/scrapy/http/response/__init__.py +++ b/scrapy/http/response/__init__.py @@ -94,8 +94,7 @@ class Response(object_ref): return self.request.meta # type: ignore[union-attr] except AttributeError: raise AttributeError( - "Response.meta not available, this response " - "is not tied to any request" + "Response.meta not available, this response is not tied to any request" ) @property diff --git a/scrapy/linkextractors/lxmlhtml.py b/scrapy/linkextractors/lxmlhtml.py index 4fd932b88..814e31fec 100644 --- a/scrapy/linkextractors/lxmlhtml.py +++ b/scrapy/linkextractors/lxmlhtml.py @@ -25,7 +25,6 @@ from scrapy.utils.response import get_base_url from scrapy.utils.url import url_has_any_extension, url_is_from_any_domain if TYPE_CHECKING: - from lxml.html import HtmlElement from scrapy import Selector diff --git a/scrapy/pipelines/files.py b/scrapy/pipelines/files.py index a10117590..888be81c3 100644 --- a/scrapy/pipelines/files.py +++ b/scrapy/pipelines/files.py @@ -202,7 +202,9 @@ class S3FilesStore: return cast( "Deferred[dict[str, Any]]", deferToThread( - self.s3_client.head_object, Bucket=self.bucket, Key=key_name # type: ignore[attr-defined] + self.s3_client.head_object, # type: ignore[attr-defined] + Bucket=self.bucket, + Key=key_name, ), ) diff --git a/scrapy/selector/unified.py b/scrapy/selector/unified.py index db9014b41..f8365a87b 100644 --- a/scrapy/selector/unified.py +++ b/scrapy/selector/unified.py @@ -81,8 +81,7 @@ class Selector(_ParselSelector, object_ref): ): if response is not None and text is not None: raise ValueError( - f"{self.__class__.__name__}.__init__() received " - "both response and text" + f"{self.__class__.__name__}.__init__() received both response and text" ) st = _st(response, type) diff --git a/scrapy/settings/__init__.py b/scrapy/settings/__init__.py index 3ebdb351a..f31f824a8 100644 --- a/scrapy/settings/__init__.py +++ b/scrapy/settings/__init__.py @@ -539,7 +539,7 @@ def iter_default_settings() -> Iterable[tuple[str, Any]]: def overridden_settings( - settings: Mapping[_SettingsKeyT, Any] + settings: Mapping[_SettingsKeyT, Any], ) -> Iterable[tuple[str, Any]]: """Return an iterable of the settings that have been overridden""" for name, defvalue in iter_default_settings(): diff --git a/scrapy/settings/default_settings.py b/scrapy/settings/default_settings.py index 7ef365f68..c473b369c 100644 --- a/scrapy/settings/default_settings.py +++ b/scrapy/settings/default_settings.py @@ -333,7 +333,7 @@ TEMPLATES_DIR = str((Path(__file__).parent / ".." / "templates").resolve()) URLLENGTH_LIMIT = 2083 -USER_AGENT = f'Scrapy/{import_module("scrapy").__version__} (+https://scrapy.org)' +USER_AGENT = f"Scrapy/{import_module('scrapy').__version__} (+https://scrapy.org)" TELNETCONSOLE_ENABLED = 1 TELNETCONSOLE_PORT = [6023, 6073] diff --git a/scrapy/spidermiddlewares/offsite.py b/scrapy/spidermiddlewares/offsite.py index 95e753830..646beb911 100644 --- a/scrapy/spidermiddlewares/offsite.py +++ b/scrapy/spidermiddlewares/offsite.py @@ -110,7 +110,7 @@ class OffsiteMiddleware: warnings.warn(message, PortWarning) else: domains.append(re.escape(domain)) - regex = rf'^(.*\.)?({"|".join(domains)})$' + regex = rf"^(.*\.)?({'|'.join(domains)})$" return re.compile(regex) def spider_opened(self, spider: Spider) -> None: diff --git a/scrapy/squeues.py b/scrapy/squeues.py index 80bb37e93..7007cd4b8 100644 --- a/scrapy/squeues.py +++ b/scrapy/squeues.py @@ -147,16 +147,24 @@ def _pickle_serialize(obj: Any) -> bytes: # queue.*Queue aren't subclasses of queue.BaseQueue _PickleFifoSerializationDiskQueue = _serializable_queue( - _with_mkdir(queue.FifoDiskQueue), _pickle_serialize, pickle.loads # type: ignore[arg-type] + _with_mkdir(queue.FifoDiskQueue), # type: ignore[arg-type] + _pickle_serialize, + pickle.loads, ) _PickleLifoSerializationDiskQueue = _serializable_queue( - _with_mkdir(queue.LifoDiskQueue), _pickle_serialize, pickle.loads # type: ignore[arg-type] + _with_mkdir(queue.LifoDiskQueue), # type: ignore[arg-type] + _pickle_serialize, + pickle.loads, ) _MarshalFifoSerializationDiskQueue = _serializable_queue( - _with_mkdir(queue.FifoDiskQueue), marshal.dumps, marshal.loads # type: ignore[arg-type] + _with_mkdir(queue.FifoDiskQueue), # type: ignore[arg-type] + marshal.dumps, + marshal.loads, ) _MarshalLifoSerializationDiskQueue = _serializable_queue( - _with_mkdir(queue.LifoDiskQueue), marshal.dumps, marshal.loads # type: ignore[arg-type] + _with_mkdir(queue.LifoDiskQueue), # type: ignore[arg-type] + marshal.dumps, + marshal.loads, ) # public queue classes diff --git a/scrapy/utils/curl.py b/scrapy/utils/curl.py index bfdd4dc8a..a563dc79a 100644 --- a/scrapy/utils/curl.py +++ b/scrapy/utils/curl.py @@ -22,8 +22,7 @@ class DataAction(argparse.Action): option_string: str | None = None, ) -> None: value = str(values) - if value.startswith("$"): - value = value[1:] + value = value.removeprefix("$") setattr(namespace, self.dest, value) @@ -96,7 +95,7 @@ def curl_to_request_kwargs( parsed_args, argv = curl_parser.parse_known_args(curl_args[1:]) if argv: - msg = f'Unrecognized options: {", ".join(argv)}' + msg = f"Unrecognized options: {', '.join(argv)}" if ignore_unknown_options: warnings.warn(msg) else: diff --git a/scrapy/utils/defer.py b/scrapy/utils/defer.py index 000ab5c65..8f52836c4 100644 --- a/scrapy/utils/defer.py +++ b/scrapy/utils/defer.py @@ -377,7 +377,7 @@ def deferred_from_coro(o: _T) -> Deferred | _T: def deferred_f_from_coro_f( - coro_f: Callable[_P, Coroutine[Any, Any, _T]] + coro_f: Callable[_P, Coroutine[Any, Any, _T]], ) -> Callable[_P, Deferred[_T]]: """Converts a coroutine function into a function that returns a Deferred. diff --git a/scrapy/utils/iterators.py b/scrapy/utils/iterators.py index e8ed7b60a..c646fc218 100644 --- a/scrapy/utils/iterators.py +++ b/scrapy/utils/iterators.py @@ -71,7 +71,7 @@ def xmliter(obj: Response | str | bytes, nodename: str) -> Iterator[Selector]: nodetext = ( document_header + match.group().replace( - nodename, f'{nodename} {" ".join(namespaces.values())}', 1 + nodename, f"{nodename} {' '.join(namespaces.values())}", 1 ) + header_end ) diff --git a/scrapy/utils/log.py b/scrapy/utils/log.py index d51231b82..b865cf48d 100644 --- a/scrapy/utils/log.py +++ b/scrapy/utils/log.py @@ -16,7 +16,6 @@ from scrapy.settings import Settings, _SettingsKeyT from scrapy.utils.versions import get_versions if TYPE_CHECKING: - from scrapy.crawler import Crawler from scrapy.logformatter import LogFormatterResult diff --git a/scrapy/utils/python.py b/scrapy/utils/python.py index e954b625c..fcf582082 100644 --- a/scrapy/utils/python.py +++ b/scrapy/utils/python.py @@ -119,8 +119,7 @@ def to_unicode( return text if not isinstance(text, (bytes, str)): raise TypeError( - "to_unicode must receive a bytes or str " - f"object, got {type(text).__name__}" + f"to_unicode must receive a bytes or str object, got {type(text).__name__}" ) if encoding is None: encoding = "utf-8" @@ -183,7 +182,7 @@ _SelfT = TypeVar("_SelfT") def memoizemethod_noargs( - method: Callable[Concatenate[_SelfT, _P], _T] + method: Callable[Concatenate[_SelfT, _P], _T], ) -> Callable[Concatenate[_SelfT, _P], _T]: """Decorator to cache the result of a method (without arguments) using a weak reference to its object @@ -313,7 +312,7 @@ def without_none_values(iterable: Iterable[_KT]) -> Iterable[_KT]: ... def without_none_values( - iterable: Mapping[_KT, _VT] | Iterable[_KT] + iterable: Mapping[_KT, _VT] | Iterable[_KT], ) -> dict[_KT, _VT] | Iterable[_KT]: """Return a copy of ``iterable`` with all ``None`` entries removed. diff --git a/tests/spiders.py b/tests/spiders.py index 3c44d7da5..da923de6e 100644 --- a/tests/spiders.py +++ b/tests/spiders.py @@ -338,9 +338,9 @@ class BrokenStartRequestsSpider(FollowAllSpider): if self.fail_yielding: 2 / 0 - assert ( - self.seedsseen - ), "All start requests consumed before any download happened" + assert self.seedsseen, ( + "All start requests consumed before any download happened" + ) def parse(self, response): self.seedsseen.append(response.meta.get("seed")) diff --git a/tests/test_contracts.py b/tests/test_contracts.py index f7581707b..fb16140be 100644 --- a/tests/test_contracts.py +++ b/tests/test_contracts.py @@ -529,7 +529,7 @@ class ContractsManagerTest(unittest.TestCase): return TestItem() with MockServer() as mockserver: - contract_doc = f'@url {mockserver.url("/status?n=200")}' + contract_doc = f"@url {mockserver.url('/status?n=200')}" TestSameUrlSpider.parse_first.__doc__ = contract_doc TestSameUrlSpider.parse_second.__doc__ = contract_doc @@ -567,7 +567,6 @@ class CustomFailContractPostProcess(Contract): class CustomContractPrePostProcess(unittest.TestCase): - def setUp(self): self.results = TextTestResult(stream=None, descriptions=False, verbosity=0) diff --git a/tests/test_downloadermiddleware_httpproxy.py b/tests/test_downloadermiddleware_httpproxy.py index 0ea1ef5eb..97c276b48 100644 --- a/tests/test_downloadermiddleware_httpproxy.py +++ b/tests/test_downloadermiddleware_httpproxy.py @@ -94,7 +94,7 @@ class TestHttpProxyMiddleware(TestCase): def test_proxy_auth_encoding(self): # utf-8 encoding - os.environ["http_proxy"] = "https://m\u00E1n:pass@proxy:3128" + os.environ["http_proxy"] = "https://m\u00e1n:pass@proxy:3128" mw = HttpProxyMiddleware(auth_encoding="utf-8") req = Request("http://scrapytest.org") assert mw.process_request(req, spider) is None @@ -103,7 +103,7 @@ class TestHttpProxyMiddleware(TestCase): # proxy from request.meta req = Request( - "http://scrapytest.org", meta={"proxy": "https://\u00FCser:pass@proxy:3128"} + "http://scrapytest.org", meta={"proxy": "https://\u00fcser:pass@proxy:3128"} ) assert mw.process_request(req, spider) is None self.assertEqual(req.meta["proxy"], "https://proxy:3128") @@ -120,7 +120,7 @@ class TestHttpProxyMiddleware(TestCase): # proxy from request.meta, latin-1 encoding req = Request( - "http://scrapytest.org", meta={"proxy": "https://\u00FCser:pass@proxy:3128"} + "http://scrapytest.org", meta={"proxy": "https://\u00fcser:pass@proxy:3128"} ) assert mw.process_request(req, spider) is None self.assertEqual(req.meta["proxy"], "https://proxy:3128") diff --git a/tests/test_downloadermiddleware_redirect.py b/tests/test_downloadermiddleware_redirect.py index 7b19ab781..eb3cdfc11 100644 --- a/tests/test_downloadermiddleware_redirect.py +++ b/tests/test_downloadermiddleware_redirect.py @@ -55,12 +55,12 @@ class Base: assert isinstance(req2, Request) self.assertEqual(req2.url, url2) self.assertEqual(req2.method, "GET") - assert ( - "Content-Type" not in req2.headers - ), "Content-Type header must not be present in redirected request" - assert ( - "Content-Length" not in req2.headers - ), "Content-Length header must not be present in redirected request" + assert "Content-Type" not in req2.headers, ( + "Content-Type header must not be present in redirected request" + ) + assert "Content-Length" not in req2.headers, ( + "Content-Length header must not be present in redirected request" + ) assert not req2.body, f"Redirected body must be empty, not '{req2.body}'" def test_max_redirect_times(self): @@ -1243,12 +1243,12 @@ class MetaRefreshMiddlewareTest(Base.Test): assert isinstance(req2, Request) self.assertEqual(req2.url, "http://example.org/newpage") self.assertEqual(req2.method, "GET") - assert ( - "Content-Type" not in req2.headers - ), "Content-Type header must not be present in redirected request" - assert ( - "Content-Length" not in req2.headers - ), "Content-Length header must not be present in redirected request" + assert "Content-Type" not in req2.headers, ( + "Content-Type header must not be present in redirected request" + ) + assert "Content-Length" not in req2.headers, ( + "Content-Length header must not be present in redirected request" + ) assert not req2.body, f"Redirected body must be empty, not '{req2.body}'" def test_ignore_tags_default(self): diff --git a/tests/test_downloaderslotssettings.py b/tests/test_downloaderslotssettings.py index 879bc8697..0bb143f69 100644 --- a/tests/test_downloaderslotssettings.py +++ b/tests/test_downloaderslotssettings.py @@ -93,6 +93,6 @@ def test_params(): _, actual = downloader._get_slot(request, spider=None) expected = Slot(**params) for param in params: - assert getattr(expected, param) == getattr( - actual, param - ), f"Slot.{param}: {getattr(expected, param)!r} != {getattr(actual, param)!r}" + assert getattr(expected, param) == getattr(actual, param), ( + f"Slot.{param}: {getattr(expected, param)!r} != {getattr(actual, param)!r}" + ) diff --git a/tests/test_engine.py b/tests/test_engine.py index 8d645eada..95955f7be 100644 --- a/tests/test_engine.py +++ b/tests/test_engine.py @@ -294,9 +294,9 @@ class EngineTest(unittest.TestCase): ] urls_visited = {rp[0].url for rp in run.respplug} urls_expected = {run.geturl(p) for p in must_be_visited} - assert ( - urls_expected <= urls_visited - ), f"URLs not visited: {list(urls_expected - urls_visited)}" + assert urls_expected <= urls_visited, ( + f"URLs not visited: {list(urls_expected - urls_visited)}" + ) def _assert_scheduled_requests(self, run: CrawlerRun, count=None): self.assertEqual(count, len(run.reqplug)) @@ -496,9 +496,9 @@ def test_request_scheduled_signal(caplog): drop_request = Request("https://drop.example") caplog.set_level(DEBUG) engine._schedule_request(drop_request, spider) - assert scheduler.enqueued == [ - keep_request - ], f"{scheduler.enqueued!r} != [{keep_request!r}]" + assert scheduler.enqueued == [keep_request], ( + f"{scheduler.enqueued!r} != [{keep_request!r}]" + ) crawler.signals.disconnect(signal_handler, request_scheduled) diff --git a/tests/test_engine_stop_download_headers.py b/tests/test_engine_stop_download_headers.py index 0bad5ba55..db35bd81e 100644 --- a/tests/test_engine_stop_download_headers.py +++ b/tests/test_engine_stop_download_headers.py @@ -67,6 +67,6 @@ class HeadersReceivedEngineTest(EngineTest): must_be_visited = ["/", "/redirect", "/redirected"] urls_visited = {rp[0].url for rp in run.respplug} urls_expected = {run.geturl(p) for p in must_be_visited} - assert ( - urls_expected <= urls_visited - ), f"URLs not visited: {list(urls_expected - urls_visited)}" + assert urls_expected <= urls_visited, ( + f"URLs not visited: {list(urls_expected - urls_visited)}" + ) diff --git a/tests/test_exporters.py b/tests/test_exporters.py index 1fbacfdfc..c2cab9b2a 100644 --- a/tests/test_exporters.py +++ b/tests/test_exporters.py @@ -390,14 +390,14 @@ class CsvItemExporterTest(BaseItemExporterTest): def test_errors_default(self): with self.assertRaises(UnicodeEncodeError): self.assertExportResult( - item={"text": "W\u0275\u200Brd"}, + item={"text": "W\u0275\u200brd"}, expected=None, encoding="windows-1251", ) def test_errors_xmlcharrefreplace(self): self.assertExportResult( - item={"text": "W\u0275\u200Brd"}, + item={"text": "W\u0275\u200brd"}, include_headers_line=False, expected="Wɵ​rd\r\n", encoding="windows-1251", diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py index 7edffa1f6..4f91795e4 100644 --- a/tests/test_feedexport.py +++ b/tests/test_feedexport.py @@ -1190,8 +1190,7 @@ class FeedExportTest(FeedExportTestBase): "csv": b"baz,egg,foo\r\n,spam1,bar1\r\n", "json": b'[\n{"hello": "world2", "foo": "bar2"}\n]', "jsonlines": ( - b'{"foo": "bar1", "egg": "spam1"}\n' - b'{"hello": "world2", "foo": "bar2"}\n' + b'{"foo": "bar1", "egg": "spam1"}\n{"hello": "world2", "foo": "bar2"}\n' ), "xml": ( b'<?xml version="1.0" encoding="utf-8"?>\n<items>\n<item>' @@ -2289,9 +2288,9 @@ class BatchDeliveriesTest(FeedExportTestBase): settings.update( { "FEEDS": { - self._random_temp_filename() - / "jl" - / self._file_mark: {"format": "jl"}, + self._random_temp_filename() / "jl" / self._file_mark: { + "format": "jl" + }, }, } ) @@ -2311,9 +2310,9 @@ class BatchDeliveriesTest(FeedExportTestBase): settings.update( { "FEEDS": { - self._random_temp_filename() - / "csv" - / self._file_mark: {"format": "csv"}, + self._random_temp_filename() / "csv" / self._file_mark: { + "format": "csv" + }, }, } ) @@ -2331,9 +2330,9 @@ class BatchDeliveriesTest(FeedExportTestBase): settings.update( { "FEEDS": { - self._random_temp_filename() - / "xml" - / self._file_mark: {"format": "xml"}, + self._random_temp_filename() / "xml" / self._file_mark: { + "format": "xml" + }, }, } ) @@ -2352,12 +2351,12 @@ class BatchDeliveriesTest(FeedExportTestBase): settings.update( { "FEEDS": { - self._random_temp_filename() - / "xml" - / self._file_mark: {"format": "xml"}, - self._random_temp_filename() - / "json" - / self._file_mark: {"format": "json"}, + self._random_temp_filename() / "xml" / self._file_mark: { + "format": "xml" + }, + self._random_temp_filename() / "json" / self._file_mark: { + "format": "json" + }, }, } ) @@ -2384,9 +2383,9 @@ class BatchDeliveriesTest(FeedExportTestBase): settings.update( { "FEEDS": { - self._random_temp_filename() - / "pickle" - / self._file_mark: {"format": "pickle"}, + self._random_temp_filename() / "pickle" / self._file_mark: { + "format": "pickle" + }, }, } ) @@ -2406,9 +2405,9 @@ class BatchDeliveriesTest(FeedExportTestBase): settings.update( { "FEEDS": { - self._random_temp_filename() - / "marshal" - / self._file_mark: {"format": "marshal"}, + self._random_temp_filename() / "marshal" / self._file_mark: { + "format": "marshal" + }, }, } ) @@ -2455,9 +2454,9 @@ class BatchDeliveriesTest(FeedExportTestBase): for fmt in ("json", "jsonlines", "xml", "csv"): settings = { "FEEDS": { - self._random_temp_filename() - / fmt - / self._file_mark: {"format": fmt}, + self._random_temp_filename() / fmt / self._file_mark: { + "format": fmt + }, }, "FEED_EXPORT_BATCH_ITEM_COUNT": 1, "FEED_STORE_EMPTY": False, @@ -2478,9 +2477,9 @@ class BatchDeliveriesTest(FeedExportTestBase): for fmt, expctd in formats: settings = { "FEEDS": { - self._random_temp_filename() - / fmt - / self._file_mark: {"format": fmt}, + self._random_temp_filename() / fmt / self._file_mark: { + "format": fmt + }, }, "FEED_STORE_EMPTY": True, "FEED_EXPORT_INDENT": None, @@ -2520,25 +2519,19 @@ class BatchDeliveriesTest(FeedExportTestBase): settings = { "FEEDS": { - self._random_temp_filename() - / "json" - / self._file_mark: { + self._random_temp_filename() / "json" / self._file_mark: { "format": "json", "indent": 0, "fields": ["bar"], "encoding": "utf-8", }, - self._random_temp_filename() - / "xml" - / self._file_mark: { + self._random_temp_filename() / "xml" / self._file_mark: { "format": "xml", "indent": 2, "fields": ["foo"], "encoding": "latin-1", }, - self._random_temp_filename() - / "csv" - / self._file_mark: { + self._random_temp_filename() / "csv" / self._file_mark: { "format": "csv", "indent": None, "fields": ["foo", "bar"], @@ -2563,9 +2556,7 @@ class BatchDeliveriesTest(FeedExportTestBase): } settings = { "FEEDS": { - self._random_temp_filename() - / "json" - / self._file_mark: { + self._random_temp_filename() / "json" / self._file_mark: { "format": "json", "indent": None, "encoding": "utf-8", @@ -2591,8 +2582,7 @@ class BatchDeliveriesTest(FeedExportTestBase): ] settings = { "FEEDS": { - self._random_temp_filename() - / "%(batch_id)d": { + self._random_temp_filename() / "%(batch_id)d": { "format": "json", }, }, diff --git a/tests/test_http_request.py b/tests/test_http_request.py index 34d3b25d5..9915aaca4 100644 --- a/tests/test_http_request.py +++ b/tests/test_http_request.py @@ -226,9 +226,9 @@ class RequestTest(unittest.TestCase): self.assertEqual(r1.flags, r2.flags) # make sure cb_kwargs dict is shallow copied - assert ( - r1.cb_kwargs is not r2.cb_kwargs - ), "cb_kwargs must be a shallow copy, not identical" + assert r1.cb_kwargs is not r2.cb_kwargs, ( + "cb_kwargs must be a shallow copy, not identical" + ) self.assertEqual(r1.cb_kwargs, r2.cb_kwargs) # make sure meta dict is shallow copied @@ -236,9 +236,9 @@ class RequestTest(unittest.TestCase): self.assertEqual(r1.meta, r2.meta) # make sure headers attribute is shallow copied - assert ( - r1.headers is not r2.headers - ), "headers must be a shallow copy, not identical" + assert r1.headers is not r2.headers, ( + "headers must be a shallow copy, not identical" + ) self.assertEqual(r1.headers, r2.headers) self.assertEqual(r1.encoding, r2.encoding) self.assertEqual(r1.dont_filter, r2.dont_filter) diff --git a/tests/test_http_response.py b/tests/test_http_response.py index 0730cff3a..b157e9802 100644 --- a/tests/test_http_response.py +++ b/tests/test_http_response.py @@ -99,9 +99,9 @@ class BaseResponseTest(unittest.TestCase): self.assertEqual(r1.flags, r2.flags) # make sure headers attribute is shallow copied - assert ( - r1.headers is not r2.headers - ), "headers must be a shallow copy, not identical" + assert r1.headers is not r2.headers, ( + "headers must be a shallow copy, not identical" + ) self.assertEqual(r1.headers, r2.headers) def test_copy_meta(self): diff --git a/tests/test_item.py b/tests/test_item.py index 480412841..0399c8f8d 100644 --- a/tests/test_item.py +++ b/tests/test_item.py @@ -289,9 +289,7 @@ class ItemMetaTest(unittest.TestCase): class ItemMetaClassCellRegression(unittest.TestCase): def test_item_meta_classcell_regression(self): class MyItem(Item, metaclass=ItemMeta): - def __init__( - self, *args, **kwargs - ): # pylint: disable=useless-parent-delegation + def __init__(self, *args, **kwargs): # pylint: disable=useless-parent-delegation # This call to super() trigger the __classcell__ propagation # requirement. When not done properly raises an error: # TypeError: __class__ set to <class '__main__.MyItem'> diff --git a/tests/test_pipeline_files.py b/tests/test_pipeline_files.py index 4c3fc36b6..4c59fcfb7 100644 --- a/tests/test_pipeline_files.py +++ b/tests/test_pipeline_files.py @@ -215,7 +215,7 @@ class FilesPipelineTestCase(unittest.TestCase): class CustomFilesPipeline(FilesPipeline): def file_path(self, request, response=None, info=None, item=None): - return f'full/{item.get("path")}' + return f"full/{item.get('path')}" file_path = CustomFilesPipeline.from_crawler( get_crawler(None, {"FILES_STORE": self.tempdir}) diff --git a/tests/test_pipeline_media.py b/tests/test_pipeline_media.py index dd8f1084a..c6fdd3767 100644 --- a/tests/test_pipeline_media.py +++ b/tests/test_pipeline_media.py @@ -35,7 +35,6 @@ def _mocked_download_func(request, info): class UserDefinedPipeline(MediaPipeline): - def media_to_download(self, request, info, *, item=None): pass @@ -376,7 +375,6 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): class MediaPipelineAllowRedirectSettingsTestCase(unittest.TestCase): - def _assert_request_no3xx(self, pipeline_class, settings): pipe = pipeline_class(crawler=get_crawler(None, settings)) request = Request("http://url") @@ -403,11 +401,9 @@ class MediaPipelineAllowRedirectSettingsTestCase(unittest.TestCase): self.assertNotIn(status, request.meta["handle_httpstatus_list"]) def test_subclass_standard_setting(self): - self._assert_request_no3xx(UserDefinedPipeline, {"MEDIA_ALLOW_REDIRECTS": True}) def test_subclass_specific_setting(self): - self._assert_request_no3xx( UserDefinedPipeline, {"USERDEFINEDPIPELINE_MEDIA_ALLOW_REDIRECTS": True} ) diff --git a/tests/test_robotstxt_interface.py b/tests/test_robotstxt_interface.py index e127cc2e3..0d00ff660 100644 --- a/tests/test_robotstxt_interface.py +++ b/tests/test_robotstxt_interface.py @@ -27,10 +27,7 @@ class BaseRobotParserTest: def test_allowed(self): robotstxt_robotstxt_body = ( - b"User-agent: * \n" - b"Disallow: /disallowed \n" - b"Allow: /allowed \n" - b"Crawl-delay: 10" + b"User-agent: * \nDisallow: /disallowed \nAllow: /allowed \nCrawl-delay: 10" ) rp = self.parser_cls.from_crawler( crawler=None, robotstxt_body=robotstxt_robotstxt_body @@ -140,7 +137,7 @@ class DecodeRobotsTxtTest(unittest.TestCase): self.assertEqual(decoded_content, "User-agent: *\nDisallow: /\n") def test_decode_non_utf8(self): - robotstxt_body = b"User-agent: *\n\xFFDisallow: /\n" + robotstxt_body = b"User-agent: *\n\xffDisallow: /\n" decoded_content = decode_robotstxt(robotstxt_body, spider=None) self.assertEqual(decoded_content, "User-agent: *\nDisallow: /\n") diff --git a/tests/test_selector.py b/tests/test_selector.py index 857c7d626..4eda0460f 100644 --- a/tests/test_selector.py +++ b/tests/test_selector.py @@ -107,9 +107,9 @@ class SelectorTestCase(unittest.TestCase): """Check that classes are using slots and are weak-referenceable""" x = Selector(text="") weakref.ref(x) - assert not hasattr( - x, "__dict__" - ), f"{x.__class__.__name__} does not use __slots__" + assert not hasattr(x, "__dict__"), ( + f"{x.__class__.__name__} does not use __slots__" + ) def test_selector_bad_args(self): with self.assertRaisesRegex(ValueError, "received both response and text"): diff --git a/tests/test_utils_response.py b/tests/test_utils_response.py index 7ad86127b..db6866571 100644 --- a/tests/test_utils_response.py +++ b/tests/test_utils_response.py @@ -158,18 +158,18 @@ class ResponseUtilsTest(unittest.TestCase): ) assert open_in_browser(r1, _openfunc=check_base_url), "Inject base url" - assert open_in_browser( - r2, _openfunc=check_base_url - ), "Inject base url with argumented head" - assert open_in_browser( - r3, _openfunc=check_base_url - ), "Inject unique base url with misleading tag" - assert open_in_browser( - r4, _openfunc=check_base_url - ), "Inject unique base url with misleading comment" - assert open_in_browser( - r5, _openfunc=check_base_url - ), "Inject unique base url with conditional comment" + assert open_in_browser(r2, _openfunc=check_base_url), ( + "Inject base url with argumented head" + ) + assert open_in_browser(r3, _openfunc=check_base_url), ( + "Inject unique base url with misleading tag" + ) + assert open_in_browser(r4, _openfunc=check_base_url), ( + "Inject unique base url with misleading comment" + ) + assert open_in_browser(r5, _openfunc=check_base_url), ( + "Inject unique base url with conditional comment" + ) def test_open_in_browser_redos_comment(self): MAX_CPU_TIME = 0.02 @@ -240,6 +240,6 @@ class ResponseUtilsTest(unittest.TestCase): ), ) def test_remove_html_comments(input_body, output_body): - assert ( - _remove_html_comments(input_body) == output_body - ), f"{_remove_html_comments(input_body)=} == {output_body=}" + assert _remove_html_comments(input_body) == output_body, ( + f"{_remove_html_comments(input_body)=} == {output_body=}" + ) diff --git a/tests/test_utils_url.py b/tests/test_utils_url.py index 314082742..4b9a98d79 100644 --- a/tests/test_utils_url.py +++ b/tests/test_utils_url.py @@ -321,9 +321,9 @@ class GuessSchemeTest(unittest.TestCase): def create_guess_scheme_t(args): def do_expected(self): url = guess_scheme(args[0]) - assert url.startswith( - args[1] - ), f"Wrong scheme guessed: for `{args[0]}` got `{url}`, expected `{args[1]}...`" + assert url.startswith(args[1]), ( + f"Wrong scheme guessed: for `{args[0]}` got `{url}`, expected `{args[1]}...`" + ) return do_expected From 98a57e241879e1b56ef8bffeb8f85f868e91c1e9 Mon Sep 17 00:00:00 2001 From: Lidiane T <lidi.mayra@gmail.com> Date: Mon, 27 Jan 2025 10:21:30 +0000 Subject: [PATCH 379/786] Fix error when running `scrapy bench` (#6633) --- scrapy/commands/bench.py | 2 +- tests/test_commands.py | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/scrapy/commands/bench.py b/scrapy/commands/bench.py index 714bc38da..16dae6ac4 100644 --- a/scrapy/commands/bench.py +++ b/scrapy/commands/bench.py @@ -67,6 +67,6 @@ class _BenchSpider(scrapy.Spider): return [scrapy.Request(url, dont_filter=True)] def parse(self, response: Response) -> Any: - assert isinstance(Response, TextResponse) + assert isinstance(response, TextResponse) for link in self.link_extractor.extract_links(response): yield scrapy.Request(link.url, callback=self.parse) diff --git a/tests/test_commands.py b/tests/test_commands.py index 50f093043..872b54d04 100644 --- a/tests/test_commands.py +++ b/tests/test_commands.py @@ -1034,6 +1034,7 @@ class BenchCommandTest(CommandTest): ) self.assertIn("INFO: Crawled", log) self.assertNotIn("Unhandled Error", log) + self.assertNotIn("log_count/ERROR", log) class ViewCommandTest(CommandTest): From d27c6b46b11c2ceaa61b35372ad8a3c98185aa18 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Mon, 27 Jan 2025 21:25:47 +0500 Subject: [PATCH 380/786] Deprecate HTTP/1.0 support. --- scrapy/core/downloader/handlers/http10.py | 7 +++++++ scrapy/core/downloader/webclient.py | 16 ++++++++++++++++ 2 files changed, 23 insertions(+) diff --git a/scrapy/core/downloader/handlers/http10.py b/scrapy/core/downloader/handlers/http10.py index 58f7ad577..0fbe5fc23 100644 --- a/scrapy/core/downloader/handlers/http10.py +++ b/scrapy/core/downloader/handlers/http10.py @@ -2,8 +2,10 @@ from __future__ import annotations +import warnings from typing import TYPE_CHECKING +from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.utils.misc import build_from_crawler, load_object from scrapy.utils.python import to_unicode @@ -26,6 +28,11 @@ class HTTP10DownloadHandler: lazy = False def __init__(self, settings: BaseSettings, crawler: Crawler): + warnings.warn( + "HTTP10DownloadHandler is deprecated and will be removed in a future Scrapy version.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) self.HTTPClientFactory: type[ScrapyHTTPClientFactory] = load_object( settings["DOWNLOADER_HTTPCLIENTFACTORY"] ) diff --git a/scrapy/core/downloader/webclient.py b/scrapy/core/downloader/webclient.py index ee10ae73b..aaaf68152 100644 --- a/scrapy/core/downloader/webclient.py +++ b/scrapy/core/downloader/webclient.py @@ -1,6 +1,7 @@ from __future__ import annotations import re +import warnings from time import time from typing import TYPE_CHECKING from urllib.parse import ParseResult, urldefrag, urlparse, urlunparse @@ -9,6 +10,7 @@ from twisted.internet import defer from twisted.internet.protocol import ClientFactory from twisted.web.http import HTTPClient +from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.http import Headers, Response from scrapy.responsetypes import responsetypes from scrapy.utils.httpobj import urlparse_cached @@ -49,6 +51,14 @@ def _parse(url: str) -> tuple[bytes, bytes, bytes, int, bytes]: class ScrapyHTTPPageGetter(HTTPClient): delimiter = b"\n" + def __init__(self): + warnings.warn( + "ScrapyHTTPPageGetter is deprecated and will be removed in a future Scrapy version.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) + super().__init__() + def connectionMade(self): self.headers = Headers() # bucket for response headers @@ -140,6 +150,12 @@ class ScrapyHTTPClientFactory(ClientFactory): self.path = self.url def __init__(self, request: Request, timeout: float = 180): + warnings.warn( + "ScrapyHTTPClientFactory is deprecated and will be removed in a future Scrapy version.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) + self._url: str = urldefrag(request.url)[0] # converting to bytes to comply to Twisted interface self.url: bytes = to_bytes(self._url, encoding="ascii") From 16b998f9ca8b928b03f9f8be659ac01d4f2f623f Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 28 Jan 2025 01:33:00 +0500 Subject: [PATCH 381/786] Sort out webclient tests. --- scrapy/core/downloader/contextfactory.py | 1 + scrapy/core/downloader/webclient.py | 2 + tests/test_core_downloader.py | 134 +++++++++++++++++++++++ tests/test_downloader_handlers.py | 2 + tests/test_webclient.py | 89 ++------------- 5 files changed, 146 insertions(+), 82 deletions(-) diff --git a/scrapy/core/downloader/contextfactory.py b/scrapy/core/downloader/contextfactory.py index d44c663bb..b01ee97f3 100644 --- a/scrapy/core/downloader/contextfactory.py +++ b/scrapy/core/downloader/contextfactory.py @@ -121,6 +121,7 @@ class ScrapyClientContextFactory(BrowserLikePolicyForHTTPS): # kept for old-style HTTP/1.0 downloader context twisted calls, # e.g. connectSSL() def getContext(self, hostname: Any = None, port: Any = None) -> SSL.Context: + # FIXME ctx: SSL.Context = self.getCertificateOptions().getContext() ctx.set_options(0x4) # OP_LEGACY_SERVER_CONNECT return ctx diff --git a/scrapy/core/downloader/webclient.py b/scrapy/core/downloader/webclient.py index aaaf68152..09751ea1a 100644 --- a/scrapy/core/downloader/webclient.py +++ b/scrapy/core/downloader/webclient.py @@ -1,3 +1,5 @@ +"""Deprecated HTTP/1.0 helper classes used by HTTP10DownloadHandler.""" + from __future__ import annotations import re diff --git a/tests/test_core_downloader.py b/tests/test_core_downloader.py index d929a9369..0a0c0a4f0 100644 --- a/tests/test_core_downloader.py +++ b/tests/test_core_downloader.py @@ -1,6 +1,31 @@ +from __future__ import annotations + +import shutil +from pathlib import Path +from tempfile import mkdtemp + +import OpenSSL.SSL +import pytest +from twisted.internet import reactor +from twisted.internet.defer import inlineCallbacks +from twisted.protocols.policies import WrappingFactory from twisted.trial import unittest +from twisted.web import server, static +from twisted.web.client import Agent, BrowserLikePolicyForHTTPS, readBody +from twisted.web.client import Response as TxResponse from scrapy.core.downloader import Slot +from scrapy.core.downloader.contextfactory import ( + ScrapyClientContextFactory, + load_context_factory_from_settings, +) +from scrapy.core.downloader.handlers.http11 import _RequestBodyProducer +from scrapy.settings import Settings +from scrapy.utils.defer import deferred_f_from_coro_f, maybe_deferred_to_future +from scrapy.utils.misc import build_from_crawler +from scrapy.utils.python import to_bytes +from scrapy.utils.test import get_crawler +from tests.mockserver import PayloadResource, ssl_context_factory class SlotTest(unittest.TestCase): @@ -10,3 +35,112 @@ class SlotTest(unittest.TestCase): repr(slot), "Slot(concurrency=8, delay=0.10, randomize_delay=True)", ) + + +class ContextFactoryBaseTestCase(unittest.TestCase): + context_factory = None + + def _listen(self, site): + return reactor.listenSSL( + 0, + site, + contextFactory=self.context_factory or ssl_context_factory(), + interface="127.0.0.1", + ) + + def getURL(self, path): + return f"https://127.0.0.1:{self.portno}/{path}" + + def setUp(self): + self.tmpname = Path(mkdtemp()) + (self.tmpname / "file").write_bytes(b"0123456789") + r = static.File(str(self.tmpname)) + r.putChild(b"payload", PayloadResource()) + self.site = server.Site(r, timeout=None) + self.wrapper = WrappingFactory(self.site) + self.port = self._listen(self.wrapper) + self.portno = self.port.getHost().port + + @inlineCallbacks + def tearDown(self): + yield self.port.stopListening() + shutil.rmtree(self.tmpname) + + @staticmethod + async def get_page( + url: str, + client_context_factory: BrowserLikePolicyForHTTPS, + body: str | None = None, + ) -> bytes: + agent = Agent(reactor, contextFactory=client_context_factory) + body_producer = _RequestBodyProducer(body.encode()) if body else None + response: TxResponse = await maybe_deferred_to_future( + agent.request(b"GET", url.encode(), bodyProducer=body_producer) + ) + return await maybe_deferred_to_future(readBody(response)) # type: ignore[arg-type] + + +class ContextFactoryTestCase(ContextFactoryBaseTestCase): + @deferred_f_from_coro_f + async def testPayload(self): + s = "0123456789" * 10 + crawler = get_crawler() + settings = Settings() + client_context_factory = load_context_factory_from_settings(settings, crawler) + body = await self.get_page( + self.getURL("payload"), client_context_factory, body=s + ) + self.assertEqual(body, to_bytes(s)) + + +class ContextFactoryTLSMethodTestCase(ContextFactoryBaseTestCase): + async def _assert_factory_works( + self, client_context_factory: ScrapyClientContextFactory + ) -> None: + s = "0123456789" * 10 + body = await self.get_page( + self.getURL("payload"), client_context_factory, body=s + ) + self.assertEqual(body, to_bytes(s)) + + @deferred_f_from_coro_f + async def test_setting_default(self): + crawler = get_crawler() + settings = Settings() + client_context_factory = load_context_factory_from_settings(settings, crawler) + assert client_context_factory._ssl_method == OpenSSL.SSL.SSLv23_METHOD + await self._assert_factory_works(client_context_factory) + + def test_setting_none(self): + crawler = get_crawler() + settings = Settings({"DOWNLOADER_CLIENT_TLS_METHOD": None}) + with pytest.raises(KeyError): + load_context_factory_from_settings(settings, crawler) + + def test_setting_bad(self): + crawler = get_crawler() + settings = Settings({"DOWNLOADER_CLIENT_TLS_METHOD": "bad"}) + with pytest.raises(KeyError): + load_context_factory_from_settings(settings, crawler) + + @deferred_f_from_coro_f + async def test_setting_explicit(self): + crawler = get_crawler() + settings = Settings({"DOWNLOADER_CLIENT_TLS_METHOD": "TLSv1.2"}) + client_context_factory = load_context_factory_from_settings(settings, crawler) + assert client_context_factory._ssl_method == OpenSSL.SSL.TLSv1_2_METHOD + await self._assert_factory_works(client_context_factory) + + @deferred_f_from_coro_f + async def test_direct_from_crawler(self): + # the setting is ignored + crawler = get_crawler(settings_dict={"DOWNLOADER_CLIENT_TLS_METHOD": "bad"}) + client_context_factory = build_from_crawler(ScrapyClientContextFactory, crawler) + assert client_context_factory._ssl_method == OpenSSL.SSL.SSLv23_METHOD + await self._assert_factory_works(client_context_factory) + + @deferred_f_from_coro_f + async def test_direct_init(self): + client_context_factory = ScrapyClientContextFactory(OpenSSL.SSL.TLSv1_2_METHOD) + assert client_context_factory._ssl_method == OpenSSL.SSL.TLSv1_2_METHOD + await self._assert_factory_works(client_context_factory) diff --git a/tests/test_downloader_handlers.py b/tests/test_downloader_handlers.py index 0dcbeaec1..64f615bfe 100644 --- a/tests/test_downloader_handlers.py +++ b/tests/test_downloader_handlers.py @@ -422,6 +422,7 @@ class HttpTestCase(unittest.TestCase): return self.download_request(request, Spider("foo")).addCallback(_test) +@pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") class Http10TestCase(HttpTestCase): """HTTP 1.0 test case""" @@ -780,6 +781,7 @@ class HttpProxyTestCase(unittest.TestCase): return self.download_request(request, Spider("foo")).addCallback(_test) +@pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") class Http10ProxyTestCase(HttpProxyTestCase): download_handler_cls: type = HTTP10DownloadHandler diff --git a/tests/test_webclient.py b/tests/test_webclient.py index 0a594aa7c..fa19b350b 100644 --- a/tests/test_webclient.py +++ b/tests/test_webclient.py @@ -8,12 +8,11 @@ from __future__ import annotations import shutil from pathlib import Path from tempfile import mkdtemp -from typing import Any import OpenSSL.SSL -from pytest import raises +import pytest from twisted.internet import defer, reactor -from twisted.internet.defer import Deferred, inlineCallbacks +from twisted.internet.defer import inlineCallbacks from twisted.internet.testing import StringTransport from twisted.protocols.policies import WrappingFactory from twisted.trial import unittest @@ -22,10 +21,8 @@ from twisted.web import resource, server, static, util from scrapy.core.downloader import webclient as client from scrapy.core.downloader.contextfactory import ( ScrapyClientContextFactory, - load_context_factory_from_settings, ) from scrapy.http import Headers, Request -from scrapy.settings import Settings from scrapy.utils.misc import build_from_crawler from scrapy.utils.python import to_bytes, to_unicode from scrapy.utils.test import get_crawler @@ -38,6 +35,7 @@ from tests.mockserver import ( PayloadResource, ssl_context_factory, ) +from tests.test_core_downloader import ContextFactoryBaseTestCase def getPage(url, contextFactory=None, response_transform=None, *args, **kwargs): @@ -129,6 +127,7 @@ class ParseUrlTestCase(unittest.TestCase): self.assertEqual(client._parse(url), test, url) +@pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") class ScrapyHTTPPageGetterTests(unittest.TestCase): def test_earlyHeaders(self): # basic test stolen from twisted HTTPageGetter @@ -272,6 +271,7 @@ class EncodingResource(resource.Resource): return body.encode(self.out_encoding) +@pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") class WebClientTestCase(unittest.TestCase): def _listen(self, site): return reactor.listenTCP(0, site, interface="127.0.0.1") @@ -427,35 +427,8 @@ class WebClientTestCase(unittest.TestCase): ) -class WebClientSSLTestCase(unittest.TestCase): - context_factory = None - - def _listen(self, site): - return reactor.listenSSL( - 0, - site, - contextFactory=self.context_factory or ssl_context_factory(), - interface="127.0.0.1", - ) - - def getURL(self, path): - return f"https://127.0.0.1:{self.portno}/{path}" - - def setUp(self): - self.tmpname = Path(mkdtemp()) - (self.tmpname / "file").write_bytes(b"0123456789") - r = static.File(str(self.tmpname)) - r.putChild(b"payload", PayloadResource()) - self.site = server.Site(r, timeout=None) - self.wrapper = WrappingFactory(self.site) - self.port = self._listen(self.wrapper) - self.portno = self.port.getHost().port - - @inlineCallbacks - def tearDown(self): - yield self.port.stopListening() - shutil.rmtree(self.tmpname) - +@pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") +class WebClientSSLTestCase(ContextFactoryBaseTestCase): def testPayload(self): s = "0123456789" * 10 return getPage(self.getURL("payload"), body=s).addCallback( @@ -490,51 +463,3 @@ class WebClientCustomCiphersSSLTestCase(WebClientSSLTestCase): self.getURL("payload"), body=s, contextFactory=client_context_factory ) return self.assertFailure(d, OpenSSL.SSL.Error) - - -class WebClientTLSMethodTestCase(WebClientSSLTestCase): - def _assert_factory_works( - self, client_context_factory: ScrapyClientContextFactory - ) -> Deferred[Any]: - s = "0123456789" * 10 - return getPage( - self.getURL("payload"), body=s, contextFactory=client_context_factory - ).addCallback(self.assertEqual, to_bytes(s)) - - def test_setting_default(self): - crawler = get_crawler() - settings = Settings() - client_context_factory = load_context_factory_from_settings(settings, crawler) - assert client_context_factory._ssl_method == OpenSSL.SSL.SSLv23_METHOD - return self._assert_factory_works(client_context_factory) - - def test_setting_none(self): - crawler = get_crawler() - settings = Settings({"DOWNLOADER_CLIENT_TLS_METHOD": None}) - with raises(KeyError): - load_context_factory_from_settings(settings, crawler) - - def test_setting_bad(self): - crawler = get_crawler() - settings = Settings({"DOWNLOADER_CLIENT_TLS_METHOD": "bad"}) - with raises(KeyError): - load_context_factory_from_settings(settings, crawler) - - def test_setting_explicit(self): - crawler = get_crawler() - settings = Settings({"DOWNLOADER_CLIENT_TLS_METHOD": "TLSv1.2"}) - client_context_factory = load_context_factory_from_settings(settings, crawler) - assert client_context_factory._ssl_method == OpenSSL.SSL.TLSv1_2_METHOD - return self._assert_factory_works(client_context_factory) - - def test_direct_from_crawler(self): - # the setting is ignored - crawler = get_crawler(settings_dict={"DOWNLOADER_CLIENT_TLS_METHOD": "bad"}) - client_context_factory = build_from_crawler(ScrapyClientContextFactory, crawler) - assert client_context_factory._ssl_method == OpenSSL.SSL.SSLv23_METHOD - return self._assert_factory_works(client_context_factory) - - def test_direct_init(self): - client_context_factory = ScrapyClientContextFactory(OpenSSL.SSL.TLSv1_2_METHOD) - assert client_context_factory._ssl_method == OpenSSL.SSL.TLSv1_2_METHOD - return self._assert_factory_works(client_context_factory) From bc1aeeefc970fbd123699e0cb6d8486141bf8418 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 28 Jan 2025 01:54:43 +0500 Subject: [PATCH 382/786] Deprecate overriding ScrapyClientContextFactory.getContext(). --- scrapy/core/downloader/contextfactory.py | 9 ++++++++- tests/test_core_downloader.py | 18 ++++++++++++++++++ 2 files changed, 26 insertions(+), 1 deletion(-) diff --git a/scrapy/core/downloader/contextfactory.py b/scrapy/core/downloader/contextfactory.py index b01ee97f3..d1ba6208a 100644 --- a/scrapy/core/downloader/contextfactory.py +++ b/scrapy/core/downloader/contextfactory.py @@ -22,6 +22,7 @@ from scrapy.core.downloader.tls import ( openssl_methods, ) from scrapy.exceptions import ScrapyDeprecationWarning +from scrapy.utils.deprecate import method_is_overridden from scrapy.utils.misc import build_from_crawler, load_object if TYPE_CHECKING: @@ -62,6 +63,13 @@ class ScrapyClientContextFactory(BrowserLikePolicyForHTTPS): self.tls_ciphers = AcceptableCiphers.fromOpenSSLCipherString(tls_ciphers) else: self.tls_ciphers = DEFAULT_CIPHERS + if method_is_overridden(type(self), ScrapyClientContextFactory, "getContext"): + warnings.warn( + "Overriding ScrapyClientContextFactory.getContext() is deprecated and that method" + " will be removed in a future Scrapy version. Override creatorForNetloc() instead.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) @classmethod def from_settings( @@ -121,7 +129,6 @@ class ScrapyClientContextFactory(BrowserLikePolicyForHTTPS): # kept for old-style HTTP/1.0 downloader context twisted calls, # e.g. connectSSL() def getContext(self, hostname: Any = None, port: Any = None) -> SSL.Context: - # FIXME ctx: SSL.Context = self.getCertificateOptions().getContext() ctx.set_options(0x4) # OP_LEGACY_SERVER_CONNECT return ctx diff --git a/tests/test_core_downloader.py b/tests/test_core_downloader.py index 0a0c0a4f0..e67337fc7 100644 --- a/tests/test_core_downloader.py +++ b/tests/test_core_downloader.py @@ -1,8 +1,10 @@ from __future__ import annotations import shutil +import warnings from pathlib import Path from tempfile import mkdtemp +from typing import Any import OpenSSL.SSL import pytest @@ -92,6 +94,22 @@ class ContextFactoryTestCase(ContextFactoryBaseTestCase): ) self.assertEqual(body, to_bytes(s)) + def test_override_getContext(self): + class MyFactory(ScrapyClientContextFactory): + def getContext( + self, hostname: Any = None, port: Any = None + ) -> OpenSSL.SSL.Context: + ctx: OpenSSL.SSL.Context = super().getContext(hostname, port) + return ctx + + with warnings.catch_warnings(record=True) as w: + MyFactory() + self.assertEqual(len(w), 1) + self.assertIn( + "Overriding ScrapyClientContextFactory.getContext() is deprecated", + str(w[0].message), + ) + class ContextFactoryTLSMethodTestCase(ContextFactoryBaseTestCase): async def _assert_factory_works( From 0d2d2892badb2b6f47c9b597564510871c7f1518 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 28 Jan 2025 02:08:49 +0500 Subject: [PATCH 383/786] Silence the readBody warning. --- tests/test_core_downloader.py | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/tests/test_core_downloader.py b/tests/test_core_downloader.py index e67337fc7..dffba303f 100644 --- a/tests/test_core_downloader.py +++ b/tests/test_core_downloader.py @@ -9,7 +9,7 @@ from typing import Any import OpenSSL.SSL import pytest from twisted.internet import reactor -from twisted.internet.defer import inlineCallbacks +from twisted.internet.defer import Deferred, inlineCallbacks from twisted.protocols.policies import WrappingFactory from twisted.trial import unittest from twisted.web import server, static @@ -79,7 +79,15 @@ class ContextFactoryBaseTestCase(unittest.TestCase): response: TxResponse = await maybe_deferred_to_future( agent.request(b"GET", url.encode(), bodyProducer=body_producer) ) - return await maybe_deferred_to_future(readBody(response)) # type: ignore[arg-type] + with warnings.catch_warnings(): + # https://github.com/twisted/twisted/issues/8227 + warnings.filterwarnings( + "ignore", + category=DeprecationWarning, + message=r".*does not have an abortConnection method", + ) + d: Deferred[bytes] = readBody(response) # type: ignore[arg-type] + return await maybe_deferred_to_future(d) class ContextFactoryTestCase(ContextFactoryBaseTestCase): From 0a80871c3a2b353d870e337715bbbeedf6bc216e Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 28 Jan 2025 22:22:09 +0500 Subject: [PATCH 384/786] Remove scrapy.core.downloader.webclient._parse(). --- scrapy/core/downloader/handlers/http11.py | 24 ++++---- scrapy/core/downloader/handlers/http2.py | 7 +-- scrapy/core/downloader/webclient.py | 56 +++++++----------- tests/test_downloader_handlers.py | 3 - tests/test_webclient.py | 71 +---------------------- 5 files changed, 38 insertions(+), 123 deletions(-) diff --git a/scrapy/core/downloader/handlers/http11.py b/scrapy/core/downloader/handlers/http11.py index aa8a1a2a4..74a6e54ee 100644 --- a/scrapy/core/downloader/handlers/http11.py +++ b/scrapy/core/downloader/handlers/http11.py @@ -9,7 +9,7 @@ from contextlib import suppress from io import BytesIO from time import time from typing import TYPE_CHECKING, Any, TypedDict, TypeVar -from urllib.parse import urldefrag, urlunparse +from urllib.parse import urldefrag, urlparse from twisted.internet import ssl from twisted.internet.defer import CancelledError, Deferred, succeed @@ -32,11 +32,12 @@ from zope.interface import implementer from scrapy import Request, Spider, signals from scrapy.core.downloader.contextfactory import load_context_factory_from_settings -from scrapy.core.downloader.webclient import _parse from scrapy.exceptions import StopDownload from scrapy.http import Headers, Response from scrapy.responsetypes import responsetypes +from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.python import to_bytes, to_unicode +from scrapy.utils.url import add_http_if_no_scheme if TYPE_CHECKING: from twisted.internet.base import ReactorBase @@ -378,12 +379,15 @@ class ScrapyAgent: bindaddress = request.meta.get("bindaddress") or self._bindAddress proxy = request.meta.get("proxy") if proxy: - proxyScheme, proxyNetloc, proxyHost, proxyPort, proxyParams = _parse(proxy) - scheme = _parse(request.url)[0] - proxyHost_str = to_unicode(proxyHost) - if scheme == b"https": + proxy = add_http_if_no_scheme(proxy) + proxy_parsed = urlparse(proxy) + proxy_host = proxy_parsed.hostname + proxy_port = proxy_parsed.port + if not proxy_port: + proxy_port = 443 if proxy_parsed.scheme == "https" else 80 + if urlparse_cached(request).scheme == "https": proxyAuth = request.headers.get(b"Proxy-Authorization", None) - proxyConf = (proxyHost_str, proxyPort, proxyAuth) + proxyConf = (proxy_host, proxy_port, proxyAuth) return self._TunnelingAgent( reactor=reactor, proxyConf=proxyConf, @@ -392,13 +396,9 @@ class ScrapyAgent: bindAddress=bindaddress, pool=self._pool, ) - proxyScheme = proxyScheme or b"http" - proxyURI = urlunparse( - (proxyScheme, proxyNetloc, proxyParams, b"", b"", b"") - ) return self._ProxyAgent( reactor=reactor, - proxyURI=to_bytes(proxyURI, encoding="ascii"), + proxyURI=to_bytes(proxy, encoding="ascii"), connectTimeout=timeout, bindAddress=bindaddress, pool=self._pool, diff --git a/scrapy/core/downloader/handlers/http2.py b/scrapy/core/downloader/handlers/http2.py index f0f9ceeb7..d0a95ee9d 100644 --- a/scrapy/core/downloader/handlers/http2.py +++ b/scrapy/core/downloader/handlers/http2.py @@ -8,8 +8,8 @@ from twisted.internet.error import TimeoutError from twisted.web.client import URI from scrapy.core.downloader.contextfactory import load_context_factory_from_settings -from scrapy.core.downloader.webclient import _parse from scrapy.core.http2.agent import H2Agent, H2ConnectionPool, ScrapyProxyH2Agent +from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.python import to_bytes if TYPE_CHECKING: @@ -75,10 +75,7 @@ class ScrapyH2Agent: bind_address = request.meta.get("bindaddress") or self._bind_address proxy = request.meta.get("proxy") if proxy: - _, _, proxy_host, proxy_port, proxy_params = _parse(proxy) - scheme = _parse(request.url)[0] - - if scheme == b"https": + if urlparse_cached(request).scheme == "https": # ToDo raise NotImplementedError( "Tunneling via CONNECT method using HTTP/2.0 is not yet supported" diff --git a/scrapy/core/downloader/webclient.py b/scrapy/core/downloader/webclient.py index 09751ea1a..e5c2255af 100644 --- a/scrapy/core/downloader/webclient.py +++ b/scrapy/core/downloader/webclient.py @@ -2,11 +2,10 @@ from __future__ import annotations -import re import warnings from time import time from typing import TYPE_CHECKING -from urllib.parse import ParseResult, urldefrag, urlparse, urlunparse +from urllib.parse import urldefrag, urlparse, urlunparse from twisted.internet import defer from twisted.internet.protocol import ClientFactory @@ -22,34 +21,6 @@ if TYPE_CHECKING: from scrapy import Request -def _parsed_url_args(parsed: ParseResult) -> tuple[bytes, bytes, bytes, int, bytes]: - # Assume parsed is urlparse-d from Request.url, - # which was passed via safe_url_string and is ascii-only. - path_str = urlunparse(("", "", parsed.path or "/", parsed.params, parsed.query, "")) - path = to_bytes(path_str, encoding="ascii") - assert parsed.hostname is not None - host = to_bytes(parsed.hostname, encoding="ascii") - port = parsed.port - scheme = to_bytes(parsed.scheme, encoding="ascii") - netloc = to_bytes(parsed.netloc, encoding="ascii") - if port is None: - port = 443 if scheme == b"https" else 80 - return scheme, netloc, host, port, path - - -def _parse(url: str) -> tuple[bytes, bytes, bytes, int, bytes]: - """Return tuple of (scheme, netloc, host, port, path), - all in bytes except for port which is int. - Assume url is from Request.url, which was passed via safe_url_string - and is ascii-only. - """ - url = url.strip() - if not re.match(r"^\w+://", url): - url = "//" + url - parsed = urlparse(url) - return _parsed_url_args(parsed) - - class ScrapyHTTPPageGetter(HTTPClient): delimiter = b"\n" @@ -142,14 +113,29 @@ class ScrapyHTTPClientFactory(ClientFactory): ) def _set_connection_attributes(self, request): - parsed = urlparse_cached(request) - self.scheme, self.netloc, self.host, self.port, self.path = _parsed_url_args( - parsed - ) proxy = request.meta.get("proxy") if proxy: - self.scheme, _, self.host, self.port, _ = _parse(proxy) + proxy_parsed = urlparse(to_bytes(proxy, encoding="ascii")) + self.scheme = proxy_parsed.scheme + self.host = proxy_parsed.hostname + self.port = proxy_parsed.port + self.netloc = proxy_parsed.netloc + if self.port is None: + self.port = 443 if proxy_parsed.scheme == b"https" else 80 self.path = self.url + else: + parsed = urlparse_cached(request) + path_str = urlunparse( + ("", "", parsed.path or "/", parsed.params, parsed.query, "") + ) + self.path = to_bytes(path_str, encoding="ascii") + assert parsed.hostname is not None + self.host = to_bytes(parsed.hostname, encoding="ascii") + self.port = parsed.port + self.scheme = to_bytes(parsed.scheme, encoding="ascii") + self.netloc = to_bytes(parsed.netloc, encoding="ascii") + if self.port is None: + self.port = 443 if self.scheme == b"https" else 80 def __init__(self, request: Request, timeout: float = 180): warnings.warn( diff --git a/tests/test_downloader_handlers.py b/tests/test_downloader_handlers.py index 64f615bfe..ae2030fe6 100644 --- a/tests/test_downloader_handlers.py +++ b/tests/test_downloader_handlers.py @@ -785,9 +785,6 @@ class HttpProxyTestCase(unittest.TestCase): class Http10ProxyTestCase(HttpProxyTestCase): download_handler_cls: type = HTTP10DownloadHandler - def test_download_with_proxy_https_noconnect(self): - raise unittest.SkipTest("noconnect is not supported in HTTP10DownloadHandler") - class Http11ProxyTestCase(HttpProxyTestCase): download_handler_cls: type = HTTP11DownloadHandler diff --git a/tests/test_webclient.py b/tests/test_webclient.py index fa19b350b..1b4ad2f2f 100644 --- a/tests/test_webclient.py +++ b/tests/test_webclient.py @@ -8,6 +8,7 @@ from __future__ import annotations import shutil from pathlib import Path from tempfile import mkdtemp +from urllib.parse import urlparse import OpenSSL.SSL import pytest @@ -61,72 +62,6 @@ def getPage(url, contextFactory=None, response_transform=None, *args, **kwargs): ).deferred -class ParseUrlTestCase(unittest.TestCase): - """Test URL parsing facility and defaults values.""" - - def _parse(self, url): - f = client.ScrapyHTTPClientFactory(Request(url)) - return (f.scheme, f.netloc, f.host, f.port, f.path) - - def testParse(self): - lip = "127.0.0.1" - tests = ( - ( - "http://127.0.0.1?c=v&c2=v2#fragment", - ("http", lip, lip, 80, "/?c=v&c2=v2"), - ), - ( - "http://127.0.0.1/?c=v&c2=v2#fragment", - ("http", lip, lip, 80, "/?c=v&c2=v2"), - ), - ( - "http://127.0.0.1/foo?c=v&c2=v2#frag", - ("http", lip, lip, 80, "/foo?c=v&c2=v2"), - ), - ( - "http://127.0.0.1:100?c=v&c2=v2#fragment", - ("http", lip + ":100", lip, 100, "/?c=v&c2=v2"), - ), - ( - "http://127.0.0.1:100/?c=v&c2=v2#frag", - ("http", lip + ":100", lip, 100, "/?c=v&c2=v2"), - ), - ( - "http://127.0.0.1:100/foo?c=v&c2=v2#frag", - ("http", lip + ":100", lip, 100, "/foo?c=v&c2=v2"), - ), - ("http://127.0.0.1", ("http", lip, lip, 80, "/")), - ("http://127.0.0.1/", ("http", lip, lip, 80, "/")), - ("http://127.0.0.1/foo", ("http", lip, lip, 80, "/foo")), - ("http://127.0.0.1?param=value", ("http", lip, lip, 80, "/?param=value")), - ("http://127.0.0.1/?param=value", ("http", lip, lip, 80, "/?param=value")), - ( - "http://127.0.0.1:12345/foo", - ("http", lip + ":12345", lip, 12345, "/foo"), - ), - ("http://spam:12345/foo", ("http", "spam:12345", "spam", 12345, "/foo")), - ( - "http://spam.test.org/foo", - ("http", "spam.test.org", "spam.test.org", 80, "/foo"), - ), - ("https://127.0.0.1/foo", ("https", lip, lip, 443, "/foo")), - ( - "https://127.0.0.1/?param=value", - ("https", lip, lip, 443, "/?param=value"), - ), - ("https://127.0.0.1:12345/", ("https", lip + ":12345", lip, 12345, "/")), - ( - "http://scrapytest.org/foo ", - ("http", "scrapytest.org", "scrapytest.org", 80, "/foo"), - ), - ("http://egg:7890 ", ("http", "egg:7890", "egg", 7890, "/")), - ) - - for url, test in tests: - test = tuple(to_bytes(x) if not isinstance(x, int) else x for x in test) - self.assertEqual(client._parse(url), test, url) - - @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") class ScrapyHTTPPageGetterTests(unittest.TestCase): def test_earlyHeaders(self): @@ -388,9 +323,9 @@ class WebClientTestCase(unittest.TestCase): def testFactoryInfo(self): url = self.getURL("file") - _, _, host, port, _ = client._parse(url) + parsed = urlparse(url) factory = client.ScrapyHTTPClientFactory(Request(url)) - reactor.connectTCP(to_unicode(host), port, factory) + reactor.connectTCP(parsed.hostname, parsed.port, factory) return factory.deferred.addCallback(self._cbFactoryInfo, factory) def _cbFactoryInfo(self, ignoredResult, factory): From 200d76afa96a78899faf9e2c30ef45273b71c600 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Sat, 1 Feb 2025 16:07:55 +0500 Subject: [PATCH 385/786] Refactor EngineTest tests. --- tests/test_engine.py | 82 +++++++++++----------- tests/test_engine_stop_download_bytes.py | 4 +- tests/test_engine_stop_download_headers.py | 4 +- 3 files changed, 46 insertions(+), 44 deletions(-) diff --git a/tests/test_engine.py b/tests/test_engine.py index 95955f7be..91ce2c0de 100644 --- a/tests/test_engine.py +++ b/tests/test_engine.py @@ -243,46 +243,7 @@ class CrawlerRun: self.signals_caught[sig] = signalargs -class EngineTest(unittest.TestCase): - @defer.inlineCallbacks - def test_crawler(self): - for spider in ( - TestSpider, - DictItemsSpider, - AttrsItemsSpider, - DataClassItemsSpider, - ): - run = CrawlerRun(spider) - yield run.run() - self._assert_visited_urls(run) - self._assert_scheduled_requests(run, count=9) - self._assert_downloaded_responses(run, count=9) - self._assert_scraped_items(run) - self._assert_signals_caught(run) - self._assert_bytes_received(run) - - @defer.inlineCallbacks - def test_crawler_dupefilter(self): - run = CrawlerRun(TestDupeFilterSpider) - yield run.run() - self._assert_scheduled_requests(run, count=8) - self._assert_dropped_requests(run) - - @defer.inlineCallbacks - def test_crawler_itemerror(self): - run = CrawlerRun(ItemZeroDivisionErrorSpider) - yield run.run() - self._assert_items_error(run) - - @defer.inlineCallbacks - def test_crawler_change_close_reason_on_idle(self): - run = CrawlerRun(ChangeCloseReasonSpider) - yield run.run() - self.assertEqual( - {"spider": run.spider, "reason": "custom_reason"}, - run.signals_caught[signals.spider_closed], - ) - +class EngineTestBase(unittest.TestCase): def _assert_visited_urls(self, run: CrawlerRun): must_be_visited = [ "/", @@ -422,6 +383,47 @@ class EngineTest(unittest.TestCase): run.signals_caught[signals.spider_closed], ) + +class EngineTest(EngineTestBase): + @defer.inlineCallbacks + def test_crawler(self): + for spider in ( + TestSpider, + DictItemsSpider, + AttrsItemsSpider, + DataClassItemsSpider, + ): + run = CrawlerRun(spider) + yield run.run() + self._assert_visited_urls(run) + self._assert_scheduled_requests(run, count=9) + self._assert_downloaded_responses(run, count=9) + self._assert_scraped_items(run) + self._assert_signals_caught(run) + self._assert_bytes_received(run) + + @defer.inlineCallbacks + def test_crawler_dupefilter(self): + run = CrawlerRun(TestDupeFilterSpider) + yield run.run() + self._assert_scheduled_requests(run, count=8) + self._assert_dropped_requests(run) + + @defer.inlineCallbacks + def test_crawler_itemerror(self): + run = CrawlerRun(ItemZeroDivisionErrorSpider) + yield run.run() + self._assert_items_error(run) + + @defer.inlineCallbacks + def test_crawler_change_close_reason_on_idle(self): + run = CrawlerRun(ChangeCloseReasonSpider) + yield run.run() + self.assertEqual( + {"spider": run.spider, "reason": "custom_reason"}, + run.signals_caught[signals.spider_closed], + ) + @defer.inlineCallbacks def test_close_downloader(self): e = ExecutionEngine(get_crawler(TestSpider), lambda _: None) diff --git a/tests/test_engine_stop_download_bytes.py b/tests/test_engine_stop_download_bytes.py index 8dbb5b7ea..8bf225ab1 100644 --- a/tests/test_engine_stop_download_bytes.py +++ b/tests/test_engine_stop_download_bytes.py @@ -7,7 +7,7 @@ from tests.test_engine import ( CrawlerRun, DataClassItemsSpider, DictItemsSpider, - EngineTest, + EngineTestBase, TestSpider, ) @@ -18,7 +18,7 @@ class BytesReceivedCrawlerRun(CrawlerRun): raise StopDownload(fail=False) -class BytesReceivedEngineTest(EngineTest): +class BytesReceivedEngineTest(EngineTestBase): @defer.inlineCallbacks def test_crawler(self): for spider in ( diff --git a/tests/test_engine_stop_download_headers.py b/tests/test_engine_stop_download_headers.py index db35bd81e..4efb6b7a8 100644 --- a/tests/test_engine_stop_download_headers.py +++ b/tests/test_engine_stop_download_headers.py @@ -7,7 +7,7 @@ from tests.test_engine import ( CrawlerRun, DataClassItemsSpider, DictItemsSpider, - EngineTest, + EngineTestBase, TestSpider, ) @@ -18,7 +18,7 @@ class HeadersReceivedCrawlerRun(CrawlerRun): raise StopDownload(fail=False) -class HeadersReceivedEngineTest(EngineTest): +class HeadersReceivedEngineTest(EngineTestBase): @defer.inlineCallbacks def test_crawler(self): for spider in ( From 1a0dfbd32e8d96299c4f0f3d16cb2d52a73de339 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Sun, 2 Feb 2025 13:28:34 +0500 Subject: [PATCH 386/786] Reuse mockserver instances in test_feedexport.py. --- tests/test_feedexport.py | 80 ++++++++++++++++------------------------ 1 file changed, 31 insertions(+), 49 deletions(-) diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py index 4f91795e4..ae52a3e18 100644 --- a/tests/test_feedexport.py +++ b/tests/test_feedexport.py @@ -13,7 +13,6 @@ import tempfile import warnings from abc import ABC, abstractmethod from collections import defaultdict -from contextlib import ExitStack from io import BytesIO from logging import getLogger from pathlib import Path @@ -623,8 +622,6 @@ class LogOnStoreFileStorage: class FeedExportTestBase(ABC, unittest.TestCase): - __test__ = False - class MyItem(scrapy.Item): foo = scrapy.Field() egg = scrapy.Field() @@ -641,8 +638,11 @@ class FeedExportTestBase(ABC, unittest.TestCase): def setUp(self): self.temp_dir = tempfile.mkdtemp() + self.mockserver = MockServer() + self.mockserver.__enter__() def tearDown(self): + self.mockserver.__exit__(None, None, None) shutil.rmtree(self.temp_dir, ignore_errors=True) @defer.inlineCallbacks @@ -746,8 +746,6 @@ class ExceptionJsonItemExporter(JsonItemExporter): class FeedExportTest(FeedExportTestBase): - __test__ = True - @defer.inlineCallbacks def run_and_export(self, spider_cls, settings): """Run spider with specified settings; return exported data.""" @@ -760,10 +758,9 @@ class FeedExportTest(FeedExportTestBase): content = {} try: - with MockServer() as s: - spider_cls.start_urls = [s.url("/")] - crawler = get_crawler(spider_cls, settings) - yield crawler.crawl() + spider_cls.start_urls = [self.mockserver.url("/")] + crawler = get_crawler(spider_cls, settings) + yield crawler.crawl() for file_path, feed_options in FEEDS.items(): content[feed_options["format"]] = ( @@ -890,8 +887,7 @@ class FeedExportTest(FeedExportTestBase): }, } crawler = get_crawler(ItemSpider, settings) - with MockServer() as mockserver: - yield crawler.crawl(mockserver=mockserver) + yield crawler.crawl(mockserver=self.mockserver) self.assertIn( "feedexport/success_count/FileFeedStorage", crawler.stats.get_stats() ) @@ -909,15 +905,11 @@ class FeedExportTest(FeedExportTestBase): }, } crawler = get_crawler(ItemSpider, settings) - with ExitStack() as stack: - mockserver = stack.enter_context(MockServer()) - stack.enter_context( - mock.patch( - "scrapy.extensions.feedexport.FileFeedStorage.store", - side_effect=KeyError("foo"), - ) - ) - yield crawler.crawl(mockserver=mockserver) + with mock.patch( + "scrapy.extensions.feedexport.FileFeedStorage.store", + side_effect=KeyError("foo"), + ): + yield crawler.crawl(mockserver=self.mockserver) self.assertIn( "feedexport/failed_count/FileFeedStorage", crawler.stats.get_stats() ) @@ -938,8 +930,8 @@ class FeedExportTest(FeedExportTestBase): }, } crawler = get_crawler(ItemSpider, settings) - with MockServer() as mockserver, mock.patch.object(S3FeedStorage, "store"): - yield crawler.crawl(mockserver=mockserver) + with mock.patch.object(S3FeedStorage, "store"): + yield crawler.crawl(mockserver=self.mockserver) self.assertIn( "feedexport/success_count/FileFeedStorage", crawler.stats.get_stats() ) @@ -1730,8 +1722,6 @@ class FeedExportTest(FeedExportTestBase): class FeedPostProcessedExportsTest(FeedExportTestBase): - __test__ = True - items = [{"foo": "bar"}] expected = b"foo\r\nbar\r\n" @@ -1764,10 +1754,9 @@ class FeedPostProcessedExportsTest(FeedExportTestBase): content = {} try: - with MockServer() as s: - spider_cls.start_urls = [s.url("/")] - crawler = get_crawler(spider_cls, settings) - yield crawler.crawl() + spider_cls.start_urls = [self.mockserver.url("/")] + crawler = get_crawler(spider_cls, settings) + yield crawler.crawl() for file_path in FEEDS: content[str(file_path)] = ( @@ -2253,7 +2242,6 @@ class FeedPostProcessedExportsTest(FeedExportTestBase): class BatchDeliveriesTest(FeedExportTestBase): - __test__ = True _file_mark = "_%(batch_time)s_#%(batch_id)02d_" @defer.inlineCallbacks @@ -2265,21 +2253,17 @@ class BatchDeliveriesTest(FeedExportTestBase): build_url(file_path): feed for file_path, feed in FEEDS.items() } content = defaultdict(list) - try: - with MockServer() as s: - spider_cls.start_urls = [s.url("/")] - crawler = get_crawler(spider_cls, settings) - yield crawler.crawl() + spider_cls.start_urls = [self.mockserver.url("/")] + crawler = get_crawler(spider_cls, settings) + yield crawler.crawl() - for path, feed in FEEDS.items(): - dir_name = Path(path).parent - if not dir_name.exists(): - content[feed["format"]] = [] - continue - for file in sorted(dir_name.iterdir()): - content[feed["format"]].append(file.read_bytes()) - finally: - self.tearDown() + for path, feed in FEEDS.items(): + dir_name = Path(path).parent + if not dir_name.exists(): + content[feed["format"]] = [] + continue + for file in sorted(dir_name.iterdir()): + content[feed["format"]].append(file.read_bytes()) return content @defer.inlineCallbacks @@ -2604,8 +2588,7 @@ class BatchDeliveriesTest(FeedExportTestBase): "FEED_EXPORT_BATCH_ITEM_COUNT": 1, } crawler = get_crawler(ItemSpider, settings) - with MockServer() as mockserver: - yield crawler.crawl(total=2, mockserver=mockserver) + yield crawler.crawl(total=2, mockserver=self.mockserver) self.assertIn( "feedexport/success_count/FileFeedStorage", crawler.stats.get_stats() ) @@ -2675,10 +2658,9 @@ class BatchDeliveriesTest(FeedExportTestBase): def parse(self, response): yield from items - with MockServer() as server: - TestSpider.start_urls = [server.url("/")] - crawler = get_crawler(TestSpider, settings) - yield crawler.crawl() + TestSpider.start_urls = [self.mockserver.url("/")] + crawler = get_crawler(TestSpider, settings) + yield crawler.crawl() self.assertEqual(len(CustomS3FeedStorage.stubs), len(items)) for stub in CustomS3FeedStorage.stubs[:-1]: From 783b98dedaea65e0c6658d9d588328dd887c2c8a Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Sun, 2 Feb 2025 14:10:09 +0500 Subject: [PATCH 387/786] Make mockserver instances per-class. --- tests/test_closespider.py | 12 +++++++----- tests/test_crawl.py | 24 ++++++++++++++---------- tests/test_downloader_handlers.py | 12 +++++++----- tests/test_downloaderslotssettings.py | 16 ++++++++++------ tests/test_feedexport.py | 12 +++++++++--- tests/test_logformatter.py | 14 +++++++++----- tests/test_pipeline_crawl.py | 13 +++++++++---- tests/test_pipelines.py | 12 +++++++----- tests/test_proxy_connect.py | 12 +++++++++--- tests/test_request_attribute_binding.py | 12 +++++++----- tests/test_request_cb_kwargs.py | 12 +++++++----- tests/test_request_left.py | 12 +++++++----- tests/test_signals.py | 16 ++++++++++------ tests/test_spidermiddleware_httperror.py | 12 +++++++----- 14 files changed, 119 insertions(+), 72 deletions(-) diff --git a/tests/test_closespider.py b/tests/test_closespider.py index 9a837350f..ecde301d1 100644 --- a/tests/test_closespider.py +++ b/tests/test_closespider.py @@ -13,12 +13,14 @@ from tests.spiders import ( class TestCloseSpider(TestCase): - def setUp(self): - self.mockserver = MockServer() - self.mockserver.__enter__() + @classmethod + def setUpClass(cls): + cls.mockserver = MockServer() + cls.mockserver.__enter__() - def tearDown(self): - self.mockserver.__exit__(None, None, None) + @classmethod + def tearDownClass(cls): + cls.mockserver.__exit__(None, None, None) @defer.inlineCallbacks def test_closespider_itemcount(self): diff --git a/tests/test_crawl.py b/tests/test_crawl.py index 1f81a6073..cd2a559a8 100644 --- a/tests/test_crawl.py +++ b/tests/test_crawl.py @@ -56,12 +56,14 @@ from tests.spiders import ( class CrawlTestCase(TestCase): - def setUp(self): - self.mockserver = MockServer() - self.mockserver.__enter__() + @classmethod + def setUpClass(cls): + cls.mockserver = MockServer() + cls.mockserver.__enter__() - def tearDown(self): - self.mockserver.__exit__(None, None, None) + @classmethod + def tearDownClass(cls): + cls.mockserver.__exit__(None, None, None) @defer.inlineCallbacks def test_follow_all(self): @@ -448,12 +450,14 @@ with multiples lines class CrawlSpiderTestCase(TestCase): - def setUp(self): - self.mockserver = MockServer() - self.mockserver.__enter__() + @classmethod + def setUpClass(cls): + cls.mockserver = MockServer() + cls.mockserver.__enter__() - def tearDown(self): - self.mockserver.__exit__(None, None, None) + @classmethod + def tearDownClass(cls): + cls.mockserver.__exit__(None, None, None) @defer.inlineCallbacks def _run_spider(self, spider_cls): diff --git a/tests/test_downloader_handlers.py b/tests/test_downloader_handlers.py index ae2030fe6..1549059f0 100644 --- a/tests/test_downloader_handlers.py +++ b/tests/test_downloader_handlers.py @@ -693,12 +693,14 @@ class Http11MockServerTestCase(unittest.TestCase): settings_dict: dict | None = None - def setUp(self): - self.mockserver = MockServer() - self.mockserver.__enter__() + @classmethod + def setUpClass(cls): + cls.mockserver = MockServer() + cls.mockserver.__enter__() - def tearDown(self): - self.mockserver.__exit__(None, None, None) + @classmethod + def tearDownClass(cls): + cls.mockserver.__exit__(None, None, None) @defer.inlineCallbacks def test_download_with_content_length(self): diff --git a/tests/test_downloaderslotssettings.py b/tests/test_downloaderslotssettings.py index 0bb143f69..4f8b005d7 100644 --- a/tests/test_downloaderslotssettings.py +++ b/tests/test_downloaderslotssettings.py @@ -50,13 +50,17 @@ class DownloaderSlotsSettingsTestSpider(MetaSpider): class CrawlTestCase(TestCase): - def setUp(self): - self.mockserver = MockServer() - self.mockserver.__enter__() - self.runner = CrawlerRunner() + @classmethod + def setUpClass(cls): + cls.mockserver = MockServer() + cls.mockserver.__enter__() - def tearDown(self): - self.mockserver.__exit__(None, None, None) + @classmethod + def tearDownClass(cls): + cls.mockserver.__exit__(None, None, None) + + def setUp(self): + self.runner = CrawlerRunner() @defer.inlineCallbacks def test_delay(self): diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py index ae52a3e18..1620d2d41 100644 --- a/tests/test_feedexport.py +++ b/tests/test_feedexport.py @@ -636,13 +636,19 @@ class FeedExportTestBase(ABC, unittest.TestCase): filename = "".join(chars) return Path(self.temp_dir, inter_dir, filename) + @classmethod + def setUpClass(cls): + cls.mockserver = MockServer() + cls.mockserver.__enter__() + + @classmethod + def tearDownClass(cls): + cls.mockserver.__exit__(None, None, None) + def setUp(self): self.temp_dir = tempfile.mkdtemp() - self.mockserver = MockServer() - self.mockserver.__enter__() def tearDown(self): - self.mockserver.__exit__(None, None, None) shutil.rmtree(self.temp_dir, ignore_errors=True) @defer.inlineCallbacks diff --git a/tests/test_logformatter.py b/tests/test_logformatter.py index e5d077858..962692a31 100644 --- a/tests/test_logformatter.py +++ b/tests/test_logformatter.py @@ -262,9 +262,16 @@ class DropSomeItemsPipeline: class ShowOrSkipMessagesTestCase(TwistedTestCase): + @classmethod + def setUpClass(cls): + cls.mockserver = MockServer() + cls.mockserver.__enter__() + + @classmethod + def tearDownClass(cls): + cls.mockserver.__exit__(None, None, None) + def setUp(self): - self.mockserver = MockServer() - self.mockserver.__enter__() self.base_settings = { "LOG_LEVEL": "DEBUG", "ITEM_PIPELINES": { @@ -272,9 +279,6 @@ class ShowOrSkipMessagesTestCase(TwistedTestCase): }, } - def tearDown(self): - self.mockserver.__exit__(None, None, None) - @defer.inlineCallbacks def test_show_messages(self): crawler = get_crawler(ItemSpider, self.base_settings) diff --git a/tests/test_pipeline_crawl.py b/tests/test_pipeline_crawl.py index 9e1b1ab5b..84d714e5c 100644 --- a/tests/test_pipeline_crawl.py +++ b/tests/test_pipeline_crawl.py @@ -64,10 +64,16 @@ class FileDownloadCrawlTestCase(TestCase): "ed3f6538dc15d4d9179dae57319edc5f", } - def setUp(self): - self.mockserver = MockServer() - self.mockserver.__enter__() + @classmethod + def setUpClass(cls): + cls.mockserver = MockServer() + cls.mockserver.__enter__() + @classmethod + def tearDownClass(cls): + cls.mockserver.__exit__(None, None, None) + + def setUp(self): # prepare a directory for storing files self.tmpmediastore = Path(mkdtemp()) self.settings = { @@ -80,7 +86,6 @@ class FileDownloadCrawlTestCase(TestCase): def tearDown(self): shutil.rmtree(self.tmpmediastore) self.items = [] - self.mockserver.__exit__(None, None, None) def _on_item_scraped(self, item): self.items.append(item) diff --git a/tests/test_pipelines.py b/tests/test_pipelines.py index 5ab288c1a..222b19e7f 100644 --- a/tests/test_pipelines.py +++ b/tests/test_pipelines.py @@ -77,12 +77,14 @@ class ItemSpider(Spider): class PipelineTestCase(unittest.TestCase): - def setUp(self): - self.mockserver = MockServer() - self.mockserver.__enter__() + @classmethod + def setUpClass(cls): + cls.mockserver = MockServer() + cls.mockserver.__enter__() - def tearDown(self): - self.mockserver.__exit__(None, None, None) + @classmethod + def tearDownClass(cls): + cls.mockserver.__exit__(None, None, None) def _on_item_scraped(self, item): self.assertIsInstance(item, dict) diff --git a/tests/test_proxy_connect.py b/tests/test_proxy_connect.py index 26bd6332c..6ed7e93a6 100644 --- a/tests/test_proxy_connect.py +++ b/tests/test_proxy_connect.py @@ -62,14 +62,21 @@ def _wrong_credentials(proxy_url): class ProxyConnectTestCase(TestCase): + @classmethod + def setUpClass(cls): + cls.mockserver = MockServer() + cls.mockserver.__enter__() + + @classmethod + def tearDownClass(cls): + cls.mockserver.__exit__(None, None, None) + def setUp(self): try: import mitmproxy # noqa: F401 except ImportError: self.skipTest("mitmproxy is not installed") - self.mockserver = MockServer() - self.mockserver.__enter__() self._oldenv = os.environ.copy() self._proxy = MitmProxy() @@ -78,7 +85,6 @@ class ProxyConnectTestCase(TestCase): os.environ["http_proxy"] = proxy_url def tearDown(self): - self.mockserver.__exit__(None, None, None) self._proxy.stop() os.environ = self._oldenv diff --git a/tests/test_request_attribute_binding.py b/tests/test_request_attribute_binding.py index d65d74206..0072660a7 100644 --- a/tests/test_request_attribute_binding.py +++ b/tests/test_request_attribute_binding.py @@ -57,12 +57,14 @@ class AlternativeCallbacksMiddleware: class CrawlTestCase(TestCase): - def setUp(self): - self.mockserver = MockServer() - self.mockserver.__enter__() + @classmethod + def setUpClass(cls): + cls.mockserver = MockServer() + cls.mockserver.__enter__() - def tearDown(self): - self.mockserver.__exit__(None, None, None) + @classmethod + def tearDownClass(cls): + cls.mockserver.__exit__(None, None, None) @defer.inlineCallbacks def test_response_200(self): diff --git a/tests/test_request_cb_kwargs.py b/tests/test_request_cb_kwargs.py index b178c928b..a21cb43ff 100644 --- a/tests/test_request_cb_kwargs.py +++ b/tests/test_request_cb_kwargs.py @@ -154,12 +154,14 @@ class KeywordArgumentsSpider(MockServerSpider): class CallbackKeywordArgumentsTestCase(TestCase): maxDiff = None - def setUp(self): - self.mockserver = MockServer() - self.mockserver.__enter__() + @classmethod + def setUpClass(cls): + cls.mockserver = MockServer() + cls.mockserver.__enter__() - def tearDown(self): - self.mockserver.__exit__(None, None, None) + @classmethod + def tearDownClass(cls): + cls.mockserver.__exit__(None, None, None) @defer.inlineCallbacks def test_callback_kwargs(self): diff --git a/tests/test_request_left.py b/tests/test_request_left.py index ba1b70695..cf4c8a2d5 100644 --- a/tests/test_request_left.py +++ b/tests/test_request_left.py @@ -25,12 +25,14 @@ class SignalCatcherSpider(Spider): class TestCatching(TestCase): - def setUp(self): - self.mockserver = MockServer() - self.mockserver.__enter__() + @classmethod + def setUpClass(cls): + cls.mockserver = MockServer() + cls.mockserver.__enter__() - def tearDown(self): - self.mockserver.__exit__(None, None, None) + @classmethod + def tearDownClass(cls): + cls.mockserver.__exit__(None, None, None) @defer.inlineCallbacks def test_success(self): diff --git a/tests/test_signals.py b/tests/test_signals.py index 0df104600..1e693c094 100644 --- a/tests/test_signals.py +++ b/tests/test_signals.py @@ -21,13 +21,17 @@ class ItemSpider(Spider): class AsyncSignalTestCase(unittest.TestCase): - def setUp(self): - self.mockserver = MockServer() - self.mockserver.__enter__() - self.items = [] + @classmethod + def setUpClass(cls): + cls.mockserver = MockServer() + cls.mockserver.__enter__() - def tearDown(self): - self.mockserver.__exit__(None, None, None) + @classmethod + def tearDownClass(cls): + cls.mockserver.__exit__(None, None, None) + + def setUp(self): + self.items = [] async def _on_item_scraped(self, item): item = await get_from_asyncio_queue(item) diff --git a/tests/test_spidermiddleware_httperror.py b/tests/test_spidermiddleware_httperror.py index 01a2b4bb4..307054de7 100644 --- a/tests/test_spidermiddleware_httperror.py +++ b/tests/test_spidermiddleware_httperror.py @@ -172,12 +172,14 @@ class TestHttpErrorMiddlewareHandleAll(TestCase): class TestHttpErrorMiddlewareIntegrational(TrialTestCase): - def setUp(self): - self.mockserver = MockServer() - self.mockserver.__enter__() + @classmethod + def setUpClass(cls): + cls.mockserver = MockServer() + cls.mockserver.__enter__() - def tearDown(self): - self.mockserver.__exit__(None, None, None) + @classmethod + def tearDownClass(cls): + cls.mockserver.__exit__(None, None, None) @defer.inlineCallbacks def test_middleware_works(self): From df688910e0499b0a874d220fe00ed7355a70fce0 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Sun, 2 Feb 2025 18:48:26 +0500 Subject: [PATCH 388/786] Remove a duplicate test. --- tests/test_downloadermiddleware_httpcache.py | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/tests/test_downloadermiddleware_httpcache.py b/tests/test_downloadermiddleware_httpcache.py index ec4e87ffb..a0886d9e9 100644 --- a/tests/test_downloadermiddleware_httpcache.py +++ b/tests/test_downloadermiddleware_httpcache.py @@ -14,7 +14,7 @@ from scrapy.utils.test import get_crawler class _BaseTest(unittest.TestCase): - storage_class = "scrapy.extensions.httpcache.DbmCacheStorage" + storage_class = "scrapy.extensions.httpcache.FilesystemCacheStorage" policy_class = "scrapy.extensions.httpcache.RFC2616Policy" def setUp(self): @@ -161,11 +161,7 @@ class DbmStorageWithCustomDbmModuleTest(DbmStorageTest): self.assertEqual(storage.dbmodule.__name__, self.dbm_module) -class FilesystemStorageTest(DefaultStorageTest): - storage_class = "scrapy.extensions.httpcache.FilesystemCacheStorage" - - -class FilesystemStorageGzipTest(FilesystemStorageTest): +class FilesystemStorageGzipTest(DefaultStorageTest): def _get_settings(self, **new_settings): new_settings.setdefault("HTTPCACHE_GZIP", True) return super()._get_settings(**new_settings) From 393ff96e45ffcb738bc9f8d3240cd4d999bd07df Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 7 Nov 2024 21:21:17 +0500 Subject: [PATCH 389/786] Deprecate AjaxCrawlMiddleware. --- docs/topics/broad-crawls.rst | 24 ------------------- docs/topics/downloader-middleware.rst | 3 +-- scrapy/downloadermiddlewares/ajaxcrawl.py | 11 +++++++-- ...test_downloadermiddleware_ajaxcrawlable.py | 3 +++ 4 files changed, 13 insertions(+), 28 deletions(-) diff --git a/docs/topics/broad-crawls.rst b/docs/topics/broad-crawls.rst index 0286c3354..248e38b61 100644 --- a/docs/topics/broad-crawls.rst +++ b/docs/topics/broad-crawls.rst @@ -182,30 +182,6 @@ To disable redirects use: REDIRECT_ENABLED = False -Enable crawling of "Ajax Crawlable Pages" -========================================= - -Some pages (up to 1%, based on empirical data from year 2013) declare -themselves as ajax crawlable. This means they provide plain HTML -version of content that is usually available only via AJAX. -Pages can indicate it in two ways: - -1) by using ``#!`` in URL - this is the default way; -2) by using a special meta tag - this way is used on - "main", "index" website pages. - -Scrapy handles (1) automatically; to handle (2) enable -:ref:`AjaxCrawlMiddleware <ajaxcrawl-middleware>`: - -.. code-block:: python - - AJAXCRAWL_ENABLED = True - -When doing broad crawls it's common to crawl a lot of "index" web pages; -AjaxCrawlMiddleware helps to crawl them correctly. -It is turned OFF by default because it has some performance overhead, -and enabling it for focused crawls doesn't make much sense. - .. _broad-crawls-bfo: Crawl in BFO order diff --git a/docs/topics/downloader-middleware.rst b/docs/topics/downloader-middleware.rst index 1ab8f588f..ca597291f 100644 --- a/docs/topics/downloader-middleware.rst +++ b/docs/topics/downloader-middleware.rst @@ -1249,8 +1249,7 @@ AJAXCRAWL_ENABLED Default: ``False`` -Whether the AjaxCrawlMiddleware will be enabled. You may want to -enable it for :ref:`broad crawls <topics-broad-crawls>`. +Whether the AjaxCrawlMiddleware will be enabled. HttpProxyMiddleware settings ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ diff --git a/scrapy/downloadermiddlewares/ajaxcrawl.py b/scrapy/downloadermiddlewares/ajaxcrawl.py index 166192b4f..c6a55732d 100644 --- a/scrapy/downloadermiddlewares/ajaxcrawl.py +++ b/scrapy/downloadermiddlewares/ajaxcrawl.py @@ -3,10 +3,11 @@ from __future__ import annotations import logging import re from typing import TYPE_CHECKING +from warnings import warn from w3lib import html -from scrapy.exceptions import NotConfigured +from scrapy.exceptions import NotConfigured, ScrapyDeprecationWarning from scrapy.http import HtmlResponse, Response if TYPE_CHECKING: @@ -30,6 +31,13 @@ class AjaxCrawlMiddleware: if not settings.getbool("AJAXCRAWL_ENABLED"): raise NotConfigured + warn( + "scrapy.downloadermiddlewares.ajaxcrawl.AjaxCrawlMiddleware is deprecated" + " and will be removed in a future Scrapy version.", + ScrapyDeprecationWarning, + stacklevel=2, + ) + # XXX: Google parses at least first 100k bytes; scrapy's redirect # middleware parses first 4k. 4k turns out to be insufficient # for this middleware, and parsing 100k could be slow. @@ -75,7 +83,6 @@ class AjaxCrawlMiddleware: return _has_ajaxcrawlable_meta(body) -# XXX: move it to w3lib? _ajax_crawlable_re: re.Pattern[str] = re.compile( r'<meta\s+name=["\']fragment["\']\s+content=["\']!["\']/?>' ) diff --git a/tests/test_downloadermiddleware_ajaxcrawlable.py b/tests/test_downloadermiddleware_ajaxcrawlable.py index 043dc0a12..63bd158f6 100644 --- a/tests/test_downloadermiddleware_ajaxcrawlable.py +++ b/tests/test_downloadermiddleware_ajaxcrawlable.py @@ -1,5 +1,7 @@ import unittest +import pytest + from scrapy.downloadermiddlewares.ajaxcrawl import AjaxCrawlMiddleware from scrapy.http import HtmlResponse, Request, Response from scrapy.spiders import Spider @@ -8,6 +10,7 @@ from scrapy.utils.test import get_crawler __doctests__ = ["scrapy.downloadermiddlewares.ajaxcrawl"] +@pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") class AjaxCrawlMiddlewareTest(unittest.TestCase): def setUp(self): crawler = get_crawler(Spider, {"AJAXCRAWL_ENABLED": True}) From 4842bcbf1da41029a604d1bf743d4dc893960d39 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Sun, 2 Feb 2025 23:23:51 +0500 Subject: [PATCH 390/786] Deprecate and disable escape_ajax(). --- scrapy/downloadermiddlewares/ajaxcrawl.py | 4 ++-- scrapy/http/request/__init__.py | 4 +--- scrapy/utils/url.py | 6 ++++++ tests/test_http_request.py | 12 ------------ 4 files changed, 9 insertions(+), 17 deletions(-) diff --git a/scrapy/downloadermiddlewares/ajaxcrawl.py b/scrapy/downloadermiddlewares/ajaxcrawl.py index c6a55732d..e7a8962a1 100644 --- a/scrapy/downloadermiddlewares/ajaxcrawl.py +++ b/scrapy/downloadermiddlewares/ajaxcrawl.py @@ -9,6 +9,7 @@ from w3lib import html from scrapy.exceptions import NotConfigured, ScrapyDeprecationWarning from scrapy.http import HtmlResponse, Response +from scrapy.utils.url import escape_ajax if TYPE_CHECKING: # typing.Self requires Python 3.11 @@ -64,8 +65,7 @@ class AjaxCrawlMiddleware: if not self._has_ajax_crawlable_variant(response): return response - # scrapy already handles #! links properly - ajax_crawl_request = request.replace(url=request.url + "#!") + ajax_crawl_request = request.replace(url=escape_ajax(request.url + "#!")) logger.debug( "Downloading AJAX crawlable %(ajax_crawl_request)s instead of %(request)s", {"ajax_crawl_request": ajax_crawl_request, "request": request}, diff --git a/scrapy/http/request/__init__.py b/scrapy/http/request/__init__.py index 4eee5ffbb..e24f6874d 100644 --- a/scrapy/http/request/__init__.py +++ b/scrapy/http/request/__init__.py @@ -27,7 +27,6 @@ from scrapy.http.headers import Headers from scrapy.utils.curl import curl_to_request_kwargs from scrapy.utils.python import to_bytes from scrapy.utils.trackref import object_ref -from scrapy.utils.url import escape_ajax if TYPE_CHECKING: from collections.abc import Callable, Iterable, Mapping @@ -170,8 +169,7 @@ class Request(object_ref): if not isinstance(url, str): raise TypeError(f"Request url must be str, got {type(url).__name__}") - s = safe_url_string(url, self.encoding) - self._url = escape_ajax(s) + self._url = safe_url_string(url, self.encoding) if ( "://" not in self._url diff --git a/scrapy/utils/url.py b/scrapy/utils/url.py index db2749d79..1348cc992 100644 --- a/scrapy/utils/url.py +++ b/scrapy/utils/url.py @@ -10,6 +10,7 @@ import warnings from importlib import import_module from typing import TYPE_CHECKING, Union from urllib.parse import ParseResult, urldefrag, urlparse, urlunparse +from warnings import warn from w3lib.url import __all__ as _public_w3lib_objects from w3lib.url import add_or_replace_parameter as _add_or_replace_parameter @@ -83,6 +84,11 @@ def escape_ajax(url: str) -> str: >>> escape_ajax("www.example.com/ajax.html") 'www.example.com/ajax.html' """ + warn( + "escape_ajax() is deprecated and will be removed in a future Scrapy version.", + ScrapyDeprecationWarning, + stacklevel=2, + ) defrag, frag = urldefrag(url) if not frag.startswith("!"): return url diff --git a/tests/test_http_request.py b/tests/test_http_request.py index 9915aaca4..a8ab8240f 100644 --- a/tests/test_http_request.py +++ b/tests/test_http_request.py @@ -187,18 +187,6 @@ class RequestTest(unittest.TestCase): assert isinstance(r4.body, bytes) self.assertEqual(r4.body, b"Price: \xa3100") - def test_ajax_url(self): - # ascii url - r = self.request_class(url="http://www.example.com/ajax.html#!key=value") - self.assertEqual( - r.url, "http://www.example.com/ajax.html?_escaped_fragment_=key%3Dvalue" - ) - # unicode url - r = self.request_class(url="http://www.example.com/ajax.html#!key=value") - self.assertEqual( - r.url, "http://www.example.com/ajax.html?_escaped_fragment_=key%3Dvalue" - ) - def test_copy(self): """Test Request copy""" From 76a8badd24cea6509df24e070f7fc06f47ee9ac3 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Mon, 3 Feb 2025 14:55:10 +0500 Subject: [PATCH 391/786] Add a deprecation notice to the AjaxCrawlMiddleware docs. --- docs/topics/downloader-middleware.rst | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/docs/topics/downloader-middleware.rst b/docs/topics/downloader-middleware.rst index ca597291f..33308940c 100644 --- a/docs/topics/downloader-middleware.rst +++ b/docs/topics/downloader-middleware.rst @@ -1251,6 +1251,10 @@ Default: ``False`` Whether the AjaxCrawlMiddleware will be enabled. + .. note:: + + This middleware is deprecated and will be removed in a future Scrapy release. + HttpProxyMiddleware settings ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ From ba5df629a2004ca0d919d8b7f0a7f5725448e50a Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Mon, 3 Feb 2025 19:11:47 +0400 Subject: [PATCH 392/786] Refactor downloader tests (#6647) * Make download handler test base classes abstract. * Small cleanup. * Don't run the full test suite for special HTTP cases. * Don't run tests in imported base classes. * Remove an obsolete service_identity check. * Move FTP imports back to the top level. * Simplify the H2DownloadHandler import. * Forbig pytest 8.2.x. * Revert "Simplify the H2DownloadHandler import." This reverts commit ed187046ac53c395c7423c0f5e6fb2bc7c27838f. --- pyproject.toml | 3 + tests/test_downloader_handlers.py | 150 +++++++++++++----------- tests/test_downloader_handlers_http2.py | 134 +++++++++++---------- tox.ini | 2 +- 4 files changed, 149 insertions(+), 140 deletions(-) diff --git a/pyproject.toml b/pyproject.toml index 29e26399f..1072730c0 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -180,6 +180,7 @@ disable = [ "unused-argument", "unused-import", "unused-variable", + "useless-import-alias", # used as a hint to mypy "useless-return", # https://github.com/pylint-dev/pylint/issues/6530 "wrong-import-position", @@ -319,6 +320,8 @@ ignore = [ "D403", # `try`-`except` within a loop incurs performance overhead "PERF203", + # Import alias does not rename original package + "PLC0414", # Too many return statements "PLR0911", # Too many branches diff --git a/tests/test_downloader_handlers.py b/tests/test_downloader_handlers.py index 1549059f0..323a51002 100644 --- a/tests/test_downloader_handlers.py +++ b/tests/test_downloader_handlers.py @@ -4,6 +4,7 @@ import contextlib import os import shutil import sys +from abc import ABC, abstractmethod from pathlib import Path from tempfile import mkdtemp, mkstemp from unittest import SkipTest, mock @@ -12,17 +13,18 @@ import pytest from testfixtures import LogCapture from twisted.cred import checkers, credentials, portal from twisted.internet import defer, error, reactor +from twisted.protocols.ftp import FTPFactory, FTPRealm from twisted.protocols.policies import WrappingFactory from twisted.trial import unittest from twisted.web import resource, server, static, util -from twisted.web._newclient import ResponseFailed +from twisted.web.client import ResponseFailed from twisted.web.http import _DataLoss from w3lib.url import path_to_file_uri -from scrapy.core.downloader.handlers import DownloadHandlers +from scrapy.core.downloader.handlers import DownloadHandlerProtocol, DownloadHandlers from scrapy.core.downloader.handlers.datauri import DataURIDownloadHandler from scrapy.core.downloader.handlers.file import FileDownloadHandler -from scrapy.core.downloader.handlers.http import HTTPDownloadHandler +from scrapy.core.downloader.handlers.ftp import FTPDownloadHandler from scrapy.core.downloader.handlers.http10 import HTTP10DownloadHandler from scrapy.core.downloader.handlers.http11 import HTTP11DownloadHandler from scrapy.core.downloader.handlers.s3 import S3DownloadHandler @@ -183,10 +185,7 @@ class BrokenDownloadResource(resource.Resource): def closeConnection(request): # We have to force a disconnection for HTTP/1.1 clients. Otherwise # client keeps the connection open waiting for more data. - if hasattr(request.channel, "loseConnection"): # twisted >=16.3.0 - request.channel.loseConnection() - else: - request.channel.transport.loseConnection() + request.channel.loseConnection() request.finish() @@ -218,14 +217,18 @@ class DuplicateHeaderResource(resource.Resource): return b"" -class HttpTestCase(unittest.TestCase): +class HttpTestCase(unittest.TestCase, ABC): scheme = "http" - download_handler_cls: type = HTTPDownloadHandler # only used for HTTPS tests keyfile = "keys/localhost.key" certfile = "keys/localhost.crt" + @property + @abstractmethod + def download_handler_cls(self) -> type[DownloadHandlerProtocol]: + raise NotImplementedError + def setUp(self): self.tmpname = Path(mkdtemp()) (self.tmpname / "file").write_bytes(b"0123456789") @@ -426,7 +429,9 @@ class HttpTestCase(unittest.TestCase): class Http10TestCase(HttpTestCase): """HTTP 1.0 test case""" - download_handler_cls: type = HTTP10DownloadHandler + @property + def download_handler_cls(self) -> type[DownloadHandlerProtocol]: + return HTTP10DownloadHandler def test_protocol(self): request = Request(self.getURL("host"), method="GET") @@ -443,7 +448,9 @@ class Https10TestCase(Http10TestCase): class Http11TestCase(HttpTestCase): """HTTP 1.1 test case""" - download_handler_cls: type = HTTP11DownloadHandler + @property + def download_handler_cls(self) -> type[DownloadHandlerProtocol]: + return HTTP11DownloadHandler def test_download_without_maxsize_limit(self): request = Request(self.getURL("file")) @@ -604,50 +611,16 @@ class Https11TestCase(Http11TestCase): yield download_handler.close() -class Https11WrongHostnameTestCase(Http11TestCase): - scheme = "https" - - # above tests use a server certificate for "localhost", - # client connection to "localhost" too. - # here we test that even if the server certificate is for another domain, - # "www.example.com" in this case, - # the tests still pass - keyfile = "keys/example-com.key.pem" - certfile = "keys/example-com.cert.pem" - - -class Https11InvalidDNSId(Https11TestCase): - """Connect to HTTPS hosts with IP while certificate uses domain names IDs.""" - - def setUp(self): - super().setUp() - self.host = "127.0.0.1" - - -class Https11InvalidDNSPattern(Https11TestCase): - """Connect to HTTPS hosts where the certificate are issued to an ip instead of a domain.""" - - keyfile = "keys/localhost.ip.key" - certfile = "keys/localhost.ip.crt" - - def setUp(self): - try: - from service_identity.exceptions import CertificateError # noqa: F401 - except ImportError: - raise unittest.SkipTest("cryptography lib is too old") - self.tls_log_message = ( - 'SSL connection certificate: issuer "/C=IE/O=Scrapy/CN=127.0.0.1", ' - 'subject "/C=IE/O=Scrapy/CN=127.0.0.1"' - ) - super().setUp() - - -class Https11CustomCiphers(unittest.TestCase): - scheme = "https" - download_handler_cls: type = HTTP11DownloadHandler +class SimpleHttpsTest(unittest.TestCase): + """Base class for special cases tested with just one simple request""" keyfile = "keys/localhost.key" certfile = "keys/localhost.crt" + cipher_string: str | None = None + + @property + def download_handler_cls(self) -> type[DownloadHandlerProtocol]: + return HTTP11DownloadHandler def setUp(self): self.tmpname = Path(mkdtemp()) @@ -659,14 +632,16 @@ class Https11CustomCiphers(unittest.TestCase): 0, self.site, ssl_context_factory( - self.keyfile, self.certfile, cipher_string="CAMELLIA256-SHA" + self.keyfile, self.certfile, cipher_string=self.cipher_string ), interface=self.host, ) self.portno = self.port.getHost().port - crawler = get_crawler( - settings_dict={"DOWNLOADER_CLIENT_TLS_CIPHERS": "CAMELLIA256-SHA"} - ) + if self.cipher_string is not None: + settings_dict = {"DOWNLOADER_CLIENT_TLS_CIPHERS": self.cipher_string} + else: + settings_dict = None + crawler = get_crawler(settings_dict=settings_dict) self.download_handler = build_from_crawler(self.download_handler_cls, crawler) self.download_request = self.download_handler.download_request @@ -678,7 +653,7 @@ class Https11CustomCiphers(unittest.TestCase): shutil.rmtree(self.tmpname) def getURL(self, path): - return f"{self.scheme}://{self.host}:{self.portno}/{path}" + return f"https://{self.host}:{self.portno}/{path}" def test_download(self): request = Request(self.getURL("file")) @@ -688,10 +663,40 @@ class Https11CustomCiphers(unittest.TestCase): return d +class Https11WrongHostnameTestCase(SimpleHttpsTest): + # above tests use a server certificate for "localhost", + # client connection to "localhost" too. + # here we test that even if the server certificate is for another domain, + # "www.example.com" in this case, + # the tests still pass + keyfile = "keys/example-com.key.pem" + certfile = "keys/example-com.cert.pem" + + +class Https11InvalidDNSId(SimpleHttpsTest): + """Connect to HTTPS hosts with IP while certificate uses domain names IDs.""" + + def setUp(self): + super().setUp() + self.host = "127.0.0.1" + + +class Https11InvalidDNSPattern(SimpleHttpsTest): + """Connect to HTTPS hosts where the certificate are issued to an ip instead of a domain.""" + + keyfile = "keys/localhost.ip.key" + certfile = "keys/localhost.ip.crt" + + +class Https11CustomCiphers(SimpleHttpsTest): + cipher_string = "CAMELLIA256-SHA" + + class Http11MockServerTestCase(unittest.TestCase): """HTTP 1.1 test case with MockServer""" settings_dict: dict | None = None + is_secure = False @classmethod def setUpClass(cls): @@ -709,7 +714,8 @@ class Http11MockServerTestCase(unittest.TestCase): # download it yield crawler.crawl( seed=Request( - url=self.mockserver.url("/partial"), meta={"download_maxsize": 1000} + url=self.mockserver.url("/partial", is_secure=self.is_secure), + meta={"download_maxsize": 1000}, ) ) failure = crawler.spider.meta["failure"] @@ -718,7 +724,9 @@ class Http11MockServerTestCase(unittest.TestCase): @defer.inlineCallbacks def test_download(self): crawler = get_crawler(SingleRequestSpider, self.settings_dict) - yield crawler.crawl(seed=Request(url=self.mockserver.url(""))) + yield crawler.crawl( + seed=Request(url=self.mockserver.url("", is_secure=self.is_secure)) + ) failure = crawler.spider.meta.get("failure") self.assertTrue(failure is None) reason = crawler.spider.meta["close_reason"] @@ -740,10 +748,14 @@ class UriResource(resource.Resource): return b"" -class HttpProxyTestCase(unittest.TestCase): - download_handler_cls: type = HTTPDownloadHandler +class HttpProxyTestCase(unittest.TestCase, ABC): expected_http_proxy_request_body = b"http://example.com" + @property + @abstractmethod + def download_handler_cls(self) -> type[DownloadHandlerProtocol]: + raise NotImplementedError + def setUp(self): site = server.Site(UriResource(), timeout=None) wrapper = WrappingFactory(site) @@ -785,11 +797,15 @@ class HttpProxyTestCase(unittest.TestCase): @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") class Http10ProxyTestCase(HttpProxyTestCase): - download_handler_cls: type = HTTP10DownloadHandler + @property + def download_handler_cls(self) -> type[DownloadHandlerProtocol]: + return HTTP10DownloadHandler class Http11ProxyTestCase(HttpProxyTestCase): - download_handler_cls: type = HTTP11DownloadHandler + @property + def download_handler_cls(self) -> type[DownloadHandlerProtocol]: + return HTTP11DownloadHandler @defer.inlineCallbacks def test_download_with_proxy_https_timeout(self): @@ -1008,10 +1024,6 @@ class BaseFTPTestCase(unittest.TestCase): ) def setUp(self): - from twisted.protocols.ftp import FTPFactory, FTPRealm - - from scrapy.core.downloader.handlers.ftp import FTPDownloadHandler - # setup dirs and test file self.directory = Path(mkdtemp()) userdir = self.directory / self.username @@ -1155,10 +1167,6 @@ class AnonymousFTPTestCase(BaseFTPTestCase): req_meta = {} def setUp(self): - from twisted.protocols.ftp import FTPFactory, FTPRealm - - from scrapy.core.downloader.handlers.ftp import FTPDownloadHandler - # setup dir and test file self.directory = Path(mkdtemp()) for filename, content in self.test_files: diff --git a/tests/test_downloader_handlers_http2.py b/tests/test_downloader_handlers_http2.py index 322075043..174bf841e 100644 --- a/tests/test_downloader_handlers_http2.py +++ b/tests/test_downloader_handlers_http2.py @@ -1,7 +1,7 @@ import json -from unittest import mock, skipIf +from unittest import mock -from pytest import mark +import pytest from testfixtures import LogCapture from twisted.internet import defer, error, reactor from twisted.trial import unittest @@ -9,30 +9,60 @@ from twisted.web import server from twisted.web.error import SchemeNotSupported from twisted.web.http import H2_ENABLED +from scrapy.core.downloader.handlers import DownloadHandlerProtocol from scrapy.http import Request from scrapy.spiders import Spider from scrapy.utils.misc import build_from_crawler from scrapy.utils.test import get_crawler from tests.mockserver import ssl_context_factory from tests.test_downloader_handlers import ( - Http11MockServerTestCase, - Http11ProxyTestCase, - Https11CustomCiphers, - Https11TestCase, UriResource, ) +pytestmark = pytest.mark.skipif( + not H2_ENABLED, reason="HTTP/2 support in Twisted is not enabled" +) -@skipIf(not H2_ENABLED, "HTTP/2 support in Twisted is not enabled") -class Https2TestCase(Https11TestCase): + +class BaseTestClasses: + # A hack to prevent tests from the imported classes to run here too. + # See https://stackoverflow.com/q/1323455/113586 for other ways. + from tests.test_downloader_handlers import ( + Http11MockServerTestCase as Http11MockServerTestCase, + ) + from tests.test_downloader_handlers import ( + Http11ProxyTestCase as Http11ProxyTestCase, + ) + from tests.test_downloader_handlers import ( + Https11CustomCiphers as Https11CustomCiphers, + ) + from tests.test_downloader_handlers import ( + Https11InvalidDNSId as Https11InvalidDNSId, + ) + from tests.test_downloader_handlers import ( + Https11InvalidDNSPattern as Https11InvalidDNSPattern, + ) + from tests.test_downloader_handlers import ( + Https11TestCase as Https11TestCase, + ) + from tests.test_downloader_handlers import ( + Https11WrongHostnameTestCase as Https11WrongHostnameTestCase, + ) + + +def _get_dh() -> type[DownloadHandlerProtocol]: + from scrapy.core.downloader.handlers.http2 import H2DownloadHandler + + return H2DownloadHandler + + +class Https2TestCase(BaseTestClasses.Https11TestCase): scheme = "https" HTTP2_DATALOSS_SKIP_REASON = "Content-Length mismatch raises InvalidBodyLengthError" - @classmethod - def setUpClass(cls): - from scrapy.core.downloader.handlers.http2 import H2DownloadHandler - - cls.download_handler_cls = H2DownloadHandler + @property + def download_handler_cls(self) -> type[DownloadHandlerProtocol]: + return _get_dh() def test_protocol(self): request = Request(self.getURL("host"), method="GET") @@ -99,7 +129,7 @@ class Https2TestCase(Https11TestCase): return defer.DeferredList([d1, d2]) - @mark.xfail(reason="https://github.com/python-hyper/h2/issues/1247") + @pytest.mark.xfail(reason="https://github.com/python-hyper/h2/issues/1247") def test_connect_request(self): request = Request(self.getURL("file"), method="CONNECT") d = self.download_request(request, Spider("foo")) @@ -150,61 +180,31 @@ class Https2TestCase(Https11TestCase): return d -class Https2WrongHostnameTestCase(Https2TestCase): - tls_log_message = ( - 'SSL connection certificate: issuer "/C=XW/ST=XW/L=The ' - 'Internet/O=Scrapy/CN=www.example.com/emailAddress=test@example.com", ' - 'subject "/C=XW/ST=XW/L=The ' - 'Internet/O=Scrapy/CN=www.example.com/emailAddress=test@example.com"' - ) - - # above tests use a server certificate for "localhost", - # client connection to "localhost" too. - # here we test that even if the server certificate is for another domain, - # "www.example.com" in this case, - # the tests still pass - keyfile = "keys/example-com.key.pem" - certfile = "keys/example-com.cert.pem" +class Https2WrongHostnameTestCase(BaseTestClasses.Https11WrongHostnameTestCase): + @property + def download_handler_cls(self) -> type[DownloadHandlerProtocol]: + return _get_dh() -class Https2InvalidDNSId(Https2TestCase): - """Connect to HTTPS hosts with IP while certificate uses domain names IDs.""" - - def setUp(self): - super().setUp() - self.host = "127.0.0.1" +class Https2InvalidDNSId(BaseTestClasses.Https11InvalidDNSId): + @property + def download_handler_cls(self) -> type[DownloadHandlerProtocol]: + return _get_dh() -class Https2InvalidDNSPattern(Https2TestCase): - """Connect to HTTPS hosts where the certificate are issued to an ip instead of a domain.""" - - keyfile = "keys/localhost.ip.key" - certfile = "keys/localhost.ip.crt" - - def setUp(self): - try: - from service_identity.exceptions import CertificateError # noqa: F401 - except ImportError: - raise unittest.SkipTest("cryptography lib is too old") - self.tls_log_message = ( - 'SSL connection certificate: issuer "/C=IE/O=Scrapy/CN=127.0.0.1", ' - 'subject "/C=IE/O=Scrapy/CN=127.0.0.1"' - ) - super().setUp() +class Https2InvalidDNSPattern(BaseTestClasses.Https11InvalidDNSPattern): + @property + def download_handler_cls(self) -> type[DownloadHandlerProtocol]: + return _get_dh() -@skipIf(not H2_ENABLED, "HTTP/2 support in Twisted is not enabled") -class Https2CustomCiphers(Https11CustomCiphers): - scheme = "https" - - @classmethod - def setUpClass(cls): - from scrapy.core.downloader.handlers.http2 import H2DownloadHandler - - cls.download_handler_cls = H2DownloadHandler +class Https2CustomCiphers(BaseTestClasses.Https11CustomCiphers): + @property + def download_handler_cls(self) -> type[DownloadHandlerProtocol]: + return _get_dh() -class Http2MockServerTestCase(Http11MockServerTestCase): +class Http2MockServerTestCase(BaseTestClasses.Http11MockServerTestCase): """HTTP 2.0 test case with MockServer""" settings_dict = { @@ -212,10 +212,10 @@ class Http2MockServerTestCase(Http11MockServerTestCase): "https": "scrapy.core.downloader.handlers.http2.H2DownloadHandler" } } + is_secure = True -@skipIf(not H2_ENABLED, "HTTP/2 support in Twisted is not enabled") -class Https2ProxyTestCase(Http11ProxyTestCase): +class Https2ProxyTestCase(BaseTestClasses.Http11ProxyTestCase): # only used for HTTPS tests keyfile = "keys/localhost.key" certfile = "keys/localhost.crt" @@ -225,11 +225,9 @@ class Https2ProxyTestCase(Http11ProxyTestCase): expected_http_proxy_request_body = b"/" - @classmethod - def setUpClass(cls): - from scrapy.core.downloader.handlers.http2 import H2DownloadHandler - - cls.download_handler_cls = H2DownloadHandler + @property + def download_handler_cls(self) -> type[DownloadHandlerProtocol]: + return _get_dh() def setUp(self): site = server.Site(UriResource(), timeout=None) diff --git a/tox.ini b/tox.ini index 0f91db19d..82ad84c90 100644 --- a/tox.ini +++ b/tox.ini @@ -14,7 +14,7 @@ deps = pexpect >= 4.8.0 pyftpdlib >= 2.0.1 pygments - pytest + pytest != 8.2.* # https://github.com/pytest-dev/pytest/issues/12275 pytest-cov >= 4.0.0 pytest-xdist sybil >= 1.3.0 # https://github.com/cjw296/sybil/issues/20#issuecomment-605433422 From 9d35428770326a3e833a2720c4f641fa70b58d29 Mon Sep 17 00:00:00 2001 From: Laerte Pereira <laertefbk@gmail.com> Date: Wed, 5 Feb 2025 06:48:56 -0300 Subject: [PATCH 393/786] Remove deprecated signals --- scrapy/signals.py | 9 --------- 1 file changed, 9 deletions(-) diff --git a/scrapy/signals.py b/scrapy/signals.py index 0090f1c8b..8ef0f34f0 100644 --- a/scrapy/signals.py +++ b/scrapy/signals.py @@ -24,12 +24,3 @@ item_dropped = object() item_error = object() feed_slot_closed = object() feed_exporter_closed = object() - -# for backward compatibility -stats_spider_opened = spider_opened -stats_spider_closing = spider_closed -stats_spider_closed = spider_closed - -item_passed = item_scraped - -request_received = request_scheduled From 2eb3c75c697685af595b08023b4dc27d49403274 Mon Sep 17 00:00:00 2001 From: Laerte Pereira <laertefbk@gmail.com> Date: Wed, 5 Feb 2025 13:16:51 -0300 Subject: [PATCH 394/786] Remove AjaxCrawlMiddleware mention from built-in downloader middleware --- docs/topics/downloader-middleware.rst | 76 +++++++-------------------- 1 file changed, 20 insertions(+), 56 deletions(-) diff --git a/docs/topics/downloader-middleware.rst b/docs/topics/downloader-middleware.rst index 33308940c..ab7e6a0ec 100644 --- a/docs/topics/downloader-middleware.rst +++ b/docs/topics/downloader-middleware.rst @@ -763,6 +763,26 @@ HttpProxyMiddleware Keep in mind this value will take precedence over ``http_proxy``/``https_proxy`` environment variables, and it will also ignore ``no_proxy`` environment variable. +HttpProxyMiddleware settings +~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. setting:: HTTPPROXY_ENABLED +.. setting:: HTTPPROXY_AUTH_ENCODING + +HTTPPROXY_ENABLED +^^^^^^^^^^^^^^^^^ + +Default: ``True`` + +Whether or not to enable the :class:`HttpProxyMiddleware`. + +HTTPPROXY_AUTH_ENCODING +^^^^^^^^^^^^^^^^^^^^^^^ + +Default: ``"latin-1"`` + +The default encoding for proxy authentication on :class:`HttpProxyMiddleware`. + OffsiteMiddleware ----------------- @@ -1220,60 +1240,4 @@ UserAgentMiddleware In order for a spider to override the default user agent, its ``user_agent`` attribute must be set. -.. _ajaxcrawl-middleware: - -AjaxCrawlMiddleware -------------------- - -.. module:: scrapy.downloadermiddlewares.ajaxcrawl - -.. class:: AjaxCrawlMiddleware - - Middleware that finds 'AJAX crawlable' page variants based - on meta-fragment html tag. - - .. note:: - - Scrapy finds 'AJAX crawlable' pages for URLs like - ``'http://example.com/!#foo=bar'`` even without this middleware. - AjaxCrawlMiddleware is necessary when URL doesn't contain ``'!#'``. - This is often a case for 'index' or 'main' website pages. - -AjaxCrawlMiddleware Settings -~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - -.. setting:: AJAXCRAWL_ENABLED - -AJAXCRAWL_ENABLED -^^^^^^^^^^^^^^^^^ - -Default: ``False`` - -Whether the AjaxCrawlMiddleware will be enabled. - - .. note:: - - This middleware is deprecated and will be removed in a future Scrapy release. - -HttpProxyMiddleware settings -~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - -.. setting:: HTTPPROXY_ENABLED -.. setting:: HTTPPROXY_AUTH_ENCODING - -HTTPPROXY_ENABLED -^^^^^^^^^^^^^^^^^ - -Default: ``True`` - -Whether or not to enable the :class:`HttpProxyMiddleware`. - -HTTPPROXY_AUTH_ENCODING -^^^^^^^^^^^^^^^^^^^^^^^ - -Default: ``"latin-1"`` - -The default encoding for proxy authentication on :class:`HttpProxyMiddleware`. - - .. _DBM: https://en.wikipedia.org/wiki/Dbm From 4e0a3087e4f4f2bc118d0f09b71e7440e78c42d7 Mon Sep 17 00:00:00 2001 From: Laerte Pereira <5853172+Laerte@users.noreply.github.com> Date: Thu, 6 Feb 2025 07:47:39 -0300 Subject: [PATCH 395/786] fix: Reactor info logged twice (#6657) * fix: Reactor info logged twice * Change condition syntax * Simplify logic * Format --- scrapy/crawler.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scrapy/crawler.py b/scrapy/crawler.py index 1aa68cb00..1873c90d3 100644 --- a/scrapy/crawler.py +++ b/scrapy/crawler.py @@ -120,12 +120,12 @@ class Crawler: install_reactor(reactor_class, event_loop) else: from twisted.internet import reactor # noqa: F401 - log_reactor_info() if reactor_class: verify_installed_reactor(reactor_class) if is_asyncio_reactor_installed() and event_loop: verify_installed_asyncio_event_loop(event_loop) + if self._init_reactor or reactor_class: log_reactor_info() self.extensions = ExtensionManager.from_crawler(self) From f041f26a6ff636b764d2bf584ddbc9b9e4334d1b Mon Sep 17 00:00:00 2001 From: anubhav <protokoul@users.noreply.github.com> Date: Thu, 6 Feb 2025 22:37:07 +0530 Subject: [PATCH 396/786] Support dark mode in the documentation (#6653) --- docs/_static/custom.css | 48 ++++++++++++++++++++++++++++++++++++++++- docs/conf.py | 3 +++ docs/requirements.txt | 1 + 3 files changed, 51 insertions(+), 1 deletion(-) diff --git a/docs/_static/custom.css b/docs/_static/custom.css index 64f16939c..1c2859deb 100644 --- a/docs/_static/custom.css +++ b/docs/_static/custom.css @@ -7,4 +7,50 @@ } .rst-content dl p + ol, .rst-content dl p + ul { margin-top: -6px; /* Compensates margin-top: 12px of p */ -} \ No newline at end of file +} + +/*override some styles in +sphinx-rtd-dark-mode/static/dark_mode_css/general.css*/ +.theme-switcher { + right: 0.4em !important; + top: 0.6em !important; + -webkit-box-shadow: 0px 3px 14px 4px rgba(0, 0, 0, 0.30) !important; + box-shadow: 0px 3px 14px 4px rgba(0, 0, 0, 0.30) !important; + height: 2em !important; + width: 2em !important; +} + +/*place the toggle button for dark mode +at the bottom right corner on small screens*/ +@media (max-width: 768px) { + .theme-switcher { + right: 0.4em !important; + bottom: 2.6em !important; + top: auto !important; + } +} + +/*persist blue color at the top left used in +default rtd theme*/ +html[data-theme="dark"] .wy-side-nav-search, +html[data-theme="dark"] .wy-nav-top { + background-color: #1d577d !important; +} + +/*all the styles below used to present +API objects nicely in dark mode*/ +html[data-theme="dark"] .sig.sig-object { + border-left-color: #3e4446 !important; + background-color: #202325 !important +} + +html[data-theme="dark"] .sig-name, +html[data-theme="dark"] .sig-prename, +html[data-theme="dark"] .property, +html[data-theme="dark"] .sig-param, +html[data-theme="dark"] .sig-paren, +html[data-theme="dark"] .sig-return-icon, +html[data-theme="dark"] .sig-return-typehint, +html[data-theme="dark"] .optional { + color: #e8e6e3 !important +} diff --git a/docs/conf.py b/docs/conf.py index be5e07195..1167ce050 100644 --- a/docs/conf.py +++ b/docs/conf.py @@ -35,6 +35,7 @@ extensions = [ "sphinx.ext.coverage", "sphinx.ext.intersphinx", "sphinx.ext.viewcode", + "sphinx_rtd_dark_mode", ] templates_path = ["_templates"] @@ -174,3 +175,5 @@ hoverxref_role_types = { "signal": "tooltip", } hoverxref_roles = ["command", "reqmeta", "setting", "signal"] + +default_dark_mode = False diff --git a/docs/requirements.txt b/docs/requirements.txt index e2abe76d9..103fb08d6 100644 --- a/docs/requirements.txt +++ b/docs/requirements.txt @@ -2,3 +2,4 @@ sphinx==8.1.3 sphinx-hoverxref==1.4.2 sphinx-notfound-page==1.0.4 sphinx-rtd-theme==3.0.2 +sphinx-rtd-dark-mode==1.3.0 From d8978d405c32ee63375e09bf0b66b1e803da3d08 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Sat, 8 Feb 2025 18:41:27 +0500 Subject: [PATCH 397/786] Improve diagnostics for sync-only spider middlewares. --- scrapy/core/spidermw.py | 30 ++++++++++++++++++------------ tests/test_spidermiddleware.py | 16 ++++++++++------ 2 files changed, 28 insertions(+), 18 deletions(-) diff --git a/scrapy/core/spidermw.py b/scrapy/core/spidermw.py index 4b2520aa1..c7706bb7b 100644 --- a/scrapy/core/spidermw.py +++ b/scrapy/core/spidermw.py @@ -27,7 +27,7 @@ from scrapy.utils.defer import ( maybe_deferred_to_future, mustbe_deferred, ) -from scrapy.utils.python import MutableAsyncChain, MutableChain +from scrapy.utils.python import MutableAsyncChain, MutableChain, global_object_name if TYPE_CHECKING: from collections.abc import Generator @@ -51,10 +51,6 @@ def _isiterable(o: Any) -> bool: class SpiderMiddlewareManager(MiddlewareManager): component_name = "spider middleware" - def __init__(self, *middlewares: Any): - super().__init__(*middlewares) - self.downgrade_warning_done = False - @classmethod def _get_mwlist_from_settings(cls, settings: BaseSettings) -> list[Any]: return build_component_list(settings.getwithbase("SPIDER_MIDDLEWARES")) @@ -227,12 +223,13 @@ class SpiderMiddlewareManager(MiddlewareManager): # Iterable -> AsyncIterable result = as_async_generator(result) elif need_downgrade: - if not self.downgrade_warning_done: - logger.warning( - f"Async iterable passed to {method.__qualname__} " - f"was downgraded to a non-async one" - ) - self.downgrade_warning_done = True + logger.warning( + f"Async iterable passed to {method.__qualname__} was" + f" downgraded to a non-async one. This is deprecated and will" + f" stop working in a future version of Scrapy. Please see" + f" https://docs.scrapy.org/en/latest/topics/coroutines.html#mixing-synchronous-and-asynchronous-spider-middlewares" + f" for more information." + ) assert isinstance(result, AsyncIterable) # AsyncIterable -> Iterable result = yield deferred_from_coro(collect_asyncgen(result)) @@ -340,10 +337,19 @@ class SpiderMiddlewareManager(MiddlewareManager): methodname_async = methodname + "_async" async_method: Callable | None = getattr(mw, methodname_async, None) if not async_method: + if normal_method and not isasyncgenfunction(normal_method): + logger.warning( + f"Middleware {global_object_name(mw.__class__)} doesn't support" + f" asynchronous spider output, this is deprecated and will stop" + f" working in a future version of Scrapy. The middleware should" + f" be updated to support it. Please see" + f" https://docs.scrapy.org/en/latest/topics/coroutines.html#mixing-synchronous-and-asynchronous-spider-middlewares" + f" for more information." + ) return normal_method if not normal_method: logger.error( - f"Middleware {mw.__qualname__} has {methodname_async} " + f"Middleware {global_object_name(mw.__class__)} has {methodname_async} " f"without {methodname}, skipping this method." ) return None diff --git a/tests/test_spidermiddleware.py b/tests/test_spidermiddleware.py index ba64ba721..a8507c789 100644 --- a/tests/test_spidermiddleware.py +++ b/tests/test_spidermiddleware.py @@ -152,6 +152,10 @@ class BaseAsyncSpiderMiddlewareTestCase(SpiderMiddlewareTestCase): self.assertEqual(len(result_list), self.RESULT_COUNT) self.assertIsInstance(result_list[0], self.ITEM_TYPE) self.assertEqual("downgraded to a non-async" in str(log), downgrade) + self.assertEqual( + "doesn't support asynchronous spider output" in str(log), + ProcessSpiderOutputSimpleMiddleware in mw_classes, + ) @defer.inlineCallbacks def _test_asyncgen_base( @@ -376,21 +380,21 @@ class UniversalMiddlewareManagerTest(TestCase): self.mwman = SpiderMiddlewareManager() def test_simple_mw(self): - mw = ProcessSpiderOutputSimpleMiddleware + mw = ProcessSpiderOutputSimpleMiddleware() self.mwman._add_middleware(mw) self.assertEqual( self.mwman.methods["process_spider_output"][0], mw.process_spider_output ) def test_async_mw(self): - mw = ProcessSpiderOutputAsyncGenMiddleware + mw = ProcessSpiderOutputAsyncGenMiddleware() self.mwman._add_middleware(mw) self.assertEqual( self.mwman.methods["process_spider_output"][0], mw.process_spider_output ) def test_universal_mw(self): - mw = ProcessSpiderOutputUniversalMiddleware + mw = ProcessSpiderOutputUniversalMiddleware() self.mwman._add_middleware(mw) self.assertEqual( self.mwman.methods["process_spider_output"][0], @@ -399,7 +403,7 @@ class UniversalMiddlewareManagerTest(TestCase): def test_universal_mw_no_sync(self): with LogCapture() as log: - self.mwman._add_middleware(UniversalMiddlewareNoSync) + self.mwman._add_middleware(UniversalMiddlewareNoSync()) self.assertIn( "UniversalMiddlewareNoSync has process_spider_output_async" " without process_spider_output", @@ -408,7 +412,7 @@ class UniversalMiddlewareManagerTest(TestCase): self.assertEqual(self.mwman.methods["process_spider_output"][0], None) def test_universal_mw_both_sync(self): - mw = UniversalMiddlewareBothSync + mw = UniversalMiddlewareBothSync() with LogCapture() as log: self.mwman._add_middleware(mw) self.assertIn( @@ -422,7 +426,7 @@ class UniversalMiddlewareManagerTest(TestCase): def test_universal_mw_both_async(self): with LogCapture() as log: - self.mwman._add_middleware(UniversalMiddlewareBothAsync) + self.mwman._add_middleware(UniversalMiddlewareBothAsync()) self.assertIn( "UniversalMiddlewareBothAsync.process_spider_output " "is an async generator function while process_spider_output_async exists", From ede9e9c3c3f9a9049fea2a6be0339b2c7434b8a1 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 11 Feb 2025 23:07:25 +0500 Subject: [PATCH 398/786] Use full method names in all spidermw log messages. --- scrapy/core/spidermw.py | 16 ++++++++-------- scrapy/utils/python.py | 4 +++- 2 files changed, 11 insertions(+), 9 deletions(-) diff --git a/scrapy/core/spidermw.py b/scrapy/core/spidermw.py index c7706bb7b..86d11c0e0 100644 --- a/scrapy/core/spidermw.py +++ b/scrapy/core/spidermw.py @@ -79,7 +79,7 @@ class SpiderMiddlewareManager(MiddlewareManager): result = method(response=response, spider=spider) if result is not None: msg = ( - f"{method.__qualname__} must return None " + f"{global_object_name(method)} must return None " f"or raise an exception, got {type(result)}" ) raise _InvalidOutput(msg) @@ -168,12 +168,12 @@ class SpiderMiddlewareManager(MiddlewareManager): ) # we forbid waiting here because otherwise we would need to return a deferred from # _process_spider_exception too, which complicates the architecture - msg = f"Async iterable returned from {method.__qualname__} cannot be downgraded" + msg = f"Async iterable returned from {global_object_name(method)} cannot be downgraded" raise _InvalidOutput(msg) if result is None: continue msg = ( - f"{method.__qualname__} must return None " + f"{global_object_name(method)} must return None " f"or an iterable, got {type(result)}" ) raise _InvalidOutput(msg) @@ -224,7 +224,7 @@ class SpiderMiddlewareManager(MiddlewareManager): result = as_async_generator(result) elif need_downgrade: logger.warning( - f"Async iterable passed to {method.__qualname__} was" + f"Async iterable passed to {global_object_name(method)} was" f" downgraded to a non-async one. This is deprecated and will" f" stop working in a future version of Scrapy. Please see" f" https://docs.scrapy.org/en/latest/topics/coroutines.html#mixing-synchronous-and-asynchronous-spider-middlewares" @@ -257,12 +257,12 @@ class SpiderMiddlewareManager(MiddlewareManager): if iscoroutine(result): result.close() # Silence warning about not awaiting msg = ( - f"{method.__qualname__} must be an asynchronous " + f"{global_object_name(method)} must be an asynchronous " f"generator (i.e. use yield)" ) else: msg = ( - f"{method.__qualname__} must return an iterable, got " + f"{global_object_name(method)} must return an iterable, got " f"{type(result)}" ) raise _InvalidOutput(msg) @@ -355,13 +355,13 @@ class SpiderMiddlewareManager(MiddlewareManager): return None if not isasyncgenfunction(async_method): logger.error( - f"{async_method.__qualname__} is not " + f"{global_object_name(async_method)} is not " f"an async generator function, skipping this method." ) return normal_method if isasyncgenfunction(normal_method): logger.error( - f"{normal_method.__qualname__} is an async " + f"{global_object_name(normal_method)} is an async " f"generator function while {methodname_async} exists, " f"skipping both methods." ) diff --git a/scrapy/utils/python.py b/scrapy/utils/python.py index fcf582082..2e6869779 100644 --- a/scrapy/utils/python.py +++ b/scrapy/utils/python.py @@ -326,11 +326,13 @@ def without_none_values( def global_object_name(obj: Any) -> str: - """Return the full import path of the given class. + """Return the full import path of the given object. >>> from scrapy import Request >>> global_object_name(Request) 'scrapy.http.request.Request' + >>> global_object_name(Request.replace) + 'scrapy.http.request.Request.replace' """ return f"{obj.__module__}.{obj.__qualname__}" From 7d5b189c1147e8aad632d4ef6759cc391d2017ac Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Fri, 14 Feb 2025 19:40:06 +0400 Subject: [PATCH 399/786] Fix getting annotations for _parse_sitemap() at the runtime. (#6671) * Fix getting annotations for _parse_sitemap() at the runtime. * Split off the callback annotations test. --- scrapy/spiders/sitemap.py | 5 +++-- tests/test_poet.py | 20 ++++++++++++++++++++ 2 files changed, 23 insertions(+), 2 deletions(-) create mode 100644 tests/test_poet.py diff --git a/scrapy/spiders/sitemap.py b/scrapy/spiders/sitemap.py index 91c7e3be9..39033ac3c 100644 --- a/scrapy/spiders/sitemap.py +++ b/scrapy/spiders/sitemap.py @@ -2,6 +2,9 @@ from __future__ import annotations import logging import re + +# Iterable is needed at the run time for the SitemapSpider._parse_sitemap() annotation +from collections.abc import Iterable, Sequence # noqa: TC003 from typing import TYPE_CHECKING, Any, cast from scrapy.http import Request, Response, XmlResponse @@ -11,8 +14,6 @@ from scrapy.utils.gz import gunzip, gzip_magic_number from scrapy.utils.sitemap import Sitemap, sitemap_urls_from_robots if TYPE_CHECKING: - from collections.abc import Iterable, Sequence - # typing.Self requires Python 3.11 from typing_extensions import Self diff --git a/tests/test_poet.py b/tests/test_poet.py new file mode 100644 index 000000000..9601c75a1 --- /dev/null +++ b/tests/test_poet.py @@ -0,0 +1,20 @@ +"""Tests that make sure parts needed for the scrapy-poet stack work.""" + +from typing import get_type_hints + +from scrapy import Spider +from scrapy.spiders import CrawlSpider, CSVFeedSpider, SitemapSpider, XMLFeedSpider + + +def test_callbacks(): + """Making sure annotations on all non-abstract callbacks can be resolved.""" + + for cb in [ + Spider._parse, + CrawlSpider._parse, + CrawlSpider._callback, + XMLFeedSpider._parse, + CSVFeedSpider._parse, + SitemapSpider._parse_sitemap, + ]: + get_type_hints(cb) From a898331d14f889c1d4860cf1a364ba28285090a4 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Sun, 16 Feb 2025 23:28:58 +0400 Subject: [PATCH 400/786] Preparations for switching to direct pytest. (#6678) --- conftest.py | 2 +- pyproject.toml | 11 +++- scrapy/utils/test.py | 9 +-- tests/test_commands.py | 4 +- tests/test_contracts.py | 50 ++++++++--------- tests/test_crawl.py | 26 +++++---- tests/test_crawler.py | 36 ++++++------ tests/test_downloadermiddleware.py | 6 +- ...test_downloadermiddleware_ajaxcrawlable.py | 2 - tests/test_downloadermiddleware_httpauth.py | 12 ++-- tests/test_downloadermiddleware_httpcache.py | 6 +- tests/test_downloadermiddleware_httpproxy.py | 3 +- tests/test_downloadermiddleware_offsite.py | 28 +++++----- tests/test_downloadermiddleware_redirect.py | 4 +- tests/test_engine.py | 30 +++++----- tests/test_engine_stop_download_bytes.py | 4 +- tests/test_engine_stop_download_headers.py | 4 +- tests/test_exporters.py | 40 +++++++------- tests/test_extension_periodic_log.py | 4 +- tests/test_extension_throttle.py | 55 +++++++++---------- tests/test_http2_client_protocol.py | 3 +- tests/test_http_response.py | 12 ++-- tests/test_linkextractors.py | 4 +- tests/test_loader.py | 54 +++++++++--------- tests/test_loader_deprecated.py | 46 ++++++++-------- tests/test_middleware.py | 8 +-- tests/test_pipelines.py | 6 +- tests/test_request_dict.py | 28 ++++++---- tests/test_scheduler_base.py | 6 +- tests/test_signals.py | 4 +- tests/test_squeues.py | 26 ++++----- tests/test_utils_asyncio.py | 6 +- tests/test_utils_datatypes.py | 2 - tests/test_utils_defer.py | 4 +- tests/test_utils_log.py | 4 +- tests/test_utils_misc/__init__.py | 2 - tests/test_utils_python.py | 2 - tests/test_utils_response.py | 8 +-- tests/test_utils_signal.py | 6 +- tests/test_utils_template.py | 2 - tests/test_utils_url.py | 2 - 41 files changed, 285 insertions(+), 286 deletions(-) diff --git a/conftest.py b/conftest.py index e9765962a..a08ad9d05 100644 --- a/conftest.py +++ b/conftest.py @@ -41,7 +41,7 @@ if not H2_ENABLED: ) -@pytest.fixture() +@pytest.fixture def chdir(tmpdir): """Change to pytest-provided temporary directory""" tmpdir.chdir() diff --git a/pyproject.toml b/pyproject.toml index 1072730c0..ad62ea212 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -200,8 +200,7 @@ disable = [ [tool.pytest.ini_options] xfail_strict = true usefixtures = "chdir" -python_files = ["test_*.py", "__init__.py"] -python_classes = [] +python_files = ["test_*.py", "test_*/__init__.py"] addopts = [ "--assert=plain", "--ignore=docs/_ext", @@ -254,6 +253,8 @@ extend-select = [ "PIE", # pylint "PL", + # flake8-pytest-style + "PT", # flake8-use-pathlib "PTH", # flake8-pyi @@ -373,6 +374,12 @@ ignore = [ "B904", # Use capitalized environment variable "SIM112", + + # Temporarily silenced PT rules + # Use a regular `assert` instead of unittest-style `assertEqual` + "PT009", + # Use `pytest.raises` instead of unittest-style `assertRaises` + "PT027", ] [tool.ruff.lint.per-file-ignores] diff --git a/scrapy/utils/test.py b/scrapy/utils/test.py index a7b84baef..e89786103 100644 --- a/scrapy/utils/test.py +++ b/scrapy/utils/test.py @@ -15,9 +15,10 @@ from unittest import TestCase, mock from twisted.trial.unittest import SkipTest -from scrapy import Spider from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.utils.boto import is_botocore_available +from scrapy.utils.deprecate import create_deprecated_class +from scrapy.utils.spider import DefaultSpider if TYPE_CHECKING: from collections.abc import Awaitable @@ -25,6 +26,7 @@ if TYPE_CHECKING: from twisted.internet.defer import Deferred from twisted.web.client import Response as TxResponse + from scrapy import Spider from scrapy.crawler import Crawler @@ -82,8 +84,7 @@ def get_ftp_content_and_delete( return b"".join(ftp_data) -class TestSpider(Spider): - name = "test" +TestSpider = create_deprecated_class("TestSpider", DefaultSpider) def get_crawler( @@ -101,7 +102,7 @@ def get_crawler( settings: dict[str, Any] = {} settings.update(settings_dict or {}) runner = CrawlerRunner(settings) - crawler = runner.create_crawler(spidercls or TestSpider) + crawler = runner.create_crawler(spidercls or DefaultSpider) crawler._apply_settings() return crawler diff --git a/tests/test_commands.py b/tests/test_commands.py index 872b54d04..1a0db1e03 100644 --- a/tests/test_commands.py +++ b/tests/test_commands.py @@ -19,7 +19,7 @@ from threading import Timer from typing import TYPE_CHECKING from unittest import mock, skipIf -from pytest import mark +import pytest from twisted.trial import unittest import scrapy @@ -822,7 +822,7 @@ class MySpider(scrapy.Spider): "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor", log ) - @mark.requires_uvloop + @pytest.mark.requires_uvloop def test_custom_asyncio_loop_enabled_true(self): log = self.get_log( self.debug_log_spider, diff --git a/tests/test_contracts.py b/tests/test_contracts.py index fb16140be..0f7d7b54c 100644 --- a/tests/test_contracts.py +++ b/tests/test_contracts.py @@ -21,7 +21,7 @@ from scrapy.utils.test import get_crawler from tests.mockserver import MockServer -class TestItem(Item): +class DemoItem(Item): name = Field() url = Field() @@ -58,7 +58,7 @@ class CustomFormContract(Contract): return args -class TestSpider(Spider): +class DemoSpider(Spider): name = "demo_spider" def returns_request(self, response): @@ -80,7 +80,7 @@ class TestSpider(Spider): @url http://scrapy.org @returns items 1 1 """ - return TestItem(url=response.url) + return DemoItem(url=response.url) def returns_request_cb_kwargs(self, response, url): """method which returns request @@ -96,7 +96,7 @@ class TestSpider(Spider): @cb_kwargs {"name": "Scrapy"} @returns items 1 1 """ - return TestItem(name=name, url=response.url) + return DemoItem(name=name, url=response.url) def returns_item_cb_kwargs_error_unexpected_keyword(self, response): """method which returns item @@ -104,14 +104,14 @@ class TestSpider(Spider): @cb_kwargs {"arg": "value"} @returns items 1 1 """ - return TestItem(url=response.url) + return DemoItem(url=response.url) def returns_item_cb_kwargs_error_missing_argument(self, response, arg): """method which returns item @url http://scrapy.org @returns items 1 1 """ - return TestItem(url=response.url) + return DemoItem(url=response.url) def returns_dict_item(self, response): """method which returns item @@ -125,7 +125,7 @@ class TestSpider(Spider): @url http://scrapy.org @returns items 0 0 """ - return TestItem(url=response.url) + return DemoItem(url=response.url) def returns_dict_fail(self, response): """method which returns item @@ -140,7 +140,7 @@ class TestSpider(Spider): @returns items 1 1 @scrapes name url """ - return TestItem(name="test", url=response.url) + return DemoItem(name="test", url=response.url) def scrapes_dict_item_ok(self, response): """returns item with name and url @@ -156,7 +156,7 @@ class TestSpider(Spider): @returns items 1 1 @scrapes name url """ - return TestItem(url=response.url) + return DemoItem(url=response.url) def scrapes_dict_item_fail(self, response): """returns item with no name @@ -212,7 +212,7 @@ class TestSpider(Spider): @meta {"key": "example"} @returns items 1 1 """ - return TestItem(name="example", url=response.url) + return DemoItem(name="example", url=response.url) def returns_error_missing_meta(self, response): """method which depends of metadata be defined @@ -242,7 +242,7 @@ class CustomContractFailSpider(Spider): """ -class InheritsTestSpider(TestSpider): +class InheritsDemoSpider(DemoSpider): name = "inherits_demo_spider" @@ -274,7 +274,7 @@ class ContractsManagerTest(unittest.TestCase): self.assertTrue(self.results.errors) def test_contracts(self): - spider = TestSpider() + spider = DemoSpider() # extract contracts correctly contracts = self.conman.extract_contracts(spider.returns_request) @@ -293,7 +293,7 @@ class ContractsManagerTest(unittest.TestCase): self.assertEqual(request, None) def test_cb_kwargs(self): - spider = TestSpider() + spider = DemoSpider() response = ResponseMock() # extract contracts correctly @@ -356,7 +356,7 @@ class ContractsManagerTest(unittest.TestCase): self.should_error() def test_meta(self): - spider = TestSpider() + spider = DemoSpider() # extract contracts correctly contracts = self.conman.extract_contracts(spider.returns_request_meta) @@ -402,7 +402,7 @@ class ContractsManagerTest(unittest.TestCase): self.should_error() def test_returns(self): - spider = TestSpider() + spider = DemoSpider() response = ResponseMock() # returns_item @@ -431,7 +431,7 @@ class ContractsManagerTest(unittest.TestCase): self.should_fail() def test_returns_async(self): - spider = TestSpider() + spider = DemoSpider() response = ResponseMock() request = self.conman.from_method(spider.returns_request_async, self.results) @@ -439,7 +439,7 @@ class ContractsManagerTest(unittest.TestCase): self.should_error() def test_scrapes(self): - spider = TestSpider() + spider = DemoSpider() response = ResponseMock() # scrapes_item_ok @@ -472,7 +472,7 @@ class ContractsManagerTest(unittest.TestCase): assert message in self.results.failures[-1][-1] def test_regex(self): - spider = TestSpider() + spider = DemoSpider() response = ResponseMock() # invalid regex @@ -494,7 +494,7 @@ class ContractsManagerTest(unittest.TestCase): self.should_error() def test_errback(self): - spider = TestSpider() + spider = DemoSpider() response = ResponseMock() try: @@ -522,11 +522,11 @@ class ContractsManagerTest(unittest.TestCase): def parse_first(self, response): self.visited += 1 - return TestItem() + return DemoItem() def parse_second(self, response): self.visited += 1 - return TestItem() + return DemoItem() with MockServer() as mockserver: contract_doc = f"@url {mockserver.url('/status?n=200')}" @@ -540,13 +540,13 @@ class ContractsManagerTest(unittest.TestCase): self.assertEqual(crawler.spider.visited, 2) def test_form_contract(self): - spider = TestSpider() + spider = DemoSpider() request = self.conman.from_method(spider.custom_form, self.results) self.assertEqual(request.method, "POST") self.assertIsInstance(request, FormRequest) def test_inherited_contracts(self): - spider = InheritsTestSpider() + spider = InheritsDemoSpider() requests = self.conman.from_spider(spider, self.results) self.assertTrue(requests) @@ -571,7 +571,7 @@ class CustomContractPrePostProcess(unittest.TestCase): self.results = TextTestResult(stream=None, descriptions=False, verbosity=0) def test_pre_hook_keyboard_interrupt(self): - spider = TestSpider() + spider = DemoSpider() response = ResponseMock() contract = CustomFailContractPreProcess(spider.returns_request) conman = ContractsManager([contract]) @@ -590,7 +590,7 @@ class CustomContractPrePostProcess(unittest.TestCase): self.assertFalse(self.results.errors) def test_post_hook_keyboard_interrupt(self): - spider = TestSpider() + spider = DemoSpider() response = ResponseMock() contract = CustomFailContractPostProcess(spider.returns_request) conman = ContractsManager([contract]) diff --git a/tests/test_crawl.py b/tests/test_crawl.py index cd2a559a8..3aca2bbce 100644 --- a/tests/test_crawl.py +++ b/tests/test_crawl.py @@ -6,7 +6,7 @@ from ipaddress import IPv4Address from socket import gethostbyname from urllib.parse import urlparse -from pytest import mark +import pytest from testfixtures import LogCapture from twisted.internet import defer from twisted.internet.ssl import Certificate @@ -536,7 +536,7 @@ class CrawlSpiderTestCase(TestCase): ) self.assertIn("Got response 200", str(log)) - @mark.only_asyncio() + @pytest.mark.only_asyncio @defer.inlineCallbacks def test_async_def_asyncio_parse(self): crawler = get_crawler( @@ -551,7 +551,7 @@ class CrawlSpiderTestCase(TestCase): ) self.assertIn("Got response 200", str(log)) - @mark.only_asyncio() + @pytest.mark.only_asyncio @defer.inlineCallbacks def test_async_def_asyncio_parse_items_list(self): log, items, _ = yield self._run_spider(AsyncDefAsyncioReturnSpider) @@ -559,7 +559,7 @@ class CrawlSpiderTestCase(TestCase): self.assertIn({"id": 1}, items) self.assertIn({"id": 2}, items) - @mark.only_asyncio() + @pytest.mark.only_asyncio @defer.inlineCallbacks def test_async_def_asyncio_parse_items_single_element(self): items = [] @@ -576,7 +576,7 @@ class CrawlSpiderTestCase(TestCase): self.assertIn("Got response 200", str(log)) self.assertIn({"foo": 42}, items) - @mark.only_asyncio() + @pytest.mark.only_asyncio @defer.inlineCallbacks def test_async_def_asyncgen_parse(self): log, _, stats = yield self._run_spider(AsyncDefAsyncioGenSpider) @@ -584,7 +584,7 @@ class CrawlSpiderTestCase(TestCase): itemcount = stats.get_value("item_scraped_count") self.assertEqual(itemcount, 1) - @mark.only_asyncio() + @pytest.mark.only_asyncio @defer.inlineCallbacks def test_async_def_asyncgen_parse_loop(self): log, items, stats = yield self._run_spider(AsyncDefAsyncioGenLoopSpider) @@ -594,7 +594,7 @@ class CrawlSpiderTestCase(TestCase): for i in range(10): self.assertIn({"foo": i}, items) - @mark.only_asyncio() + @pytest.mark.only_asyncio @defer.inlineCallbacks def test_async_def_asyncgen_parse_exc(self): log, items, stats = yield self._run_spider(AsyncDefAsyncioGenExcSpider) @@ -606,7 +606,7 @@ class CrawlSpiderTestCase(TestCase): for i in range(7): self.assertIn({"foo": i}, items) - @mark.only_asyncio() + @pytest.mark.only_asyncio @defer.inlineCallbacks def test_async_def_asyncgen_parse_complex(self): _, items, stats = yield self._run_spider(AsyncDefAsyncioGenComplexSpider) @@ -618,20 +618,20 @@ class CrawlSpiderTestCase(TestCase): for i in [10, 30, 122]: self.assertIn({"index2": i}, items) - @mark.only_asyncio() + @pytest.mark.only_asyncio @defer.inlineCallbacks def test_async_def_asyncio_parse_reqs_list(self): log, *_ = yield self._run_spider(AsyncDefAsyncioReqsReturnSpider) for req_id in range(3): self.assertIn(f"Got response 200, req_id {req_id}", str(log)) - @mark.only_not_asyncio() + @pytest.mark.only_not_asyncio @defer.inlineCallbacks def test_async_def_deferred_direct(self): _, items, _ = yield self._run_spider(AsyncDefDeferredDirectSpider) self.assertEqual(items, [{"code": 200}]) - @mark.only_asyncio() + @pytest.mark.only_asyncio @defer.inlineCallbacks def test_async_def_deferred_wrapped(self): log, items, _ = yield self._run_spider(AsyncDefDeferredWrappedSpider) @@ -659,7 +659,9 @@ class CrawlSpiderTestCase(TestCase): self.assertEqual(cert.getSubject().commonName, b"localhost") self.assertEqual(cert.getIssuer().commonName, b"localhost") - @mark.xfail(reason="Responses with no body return early and contain no certificate") + @pytest.mark.xfail( + reason="Responses with no body return early and contain no certificate" + ) @defer.inlineCallbacks def test_response_ssl_certificate_empty_response(self): crawler = get_crawler(SingleRequestSpider) diff --git a/tests/test_crawler.py b/tests/test_crawler.py index 6c3fe96b0..425188d32 100644 --- a/tests/test_crawler.py +++ b/tests/test_crawler.py @@ -8,9 +8,9 @@ import warnings from pathlib import Path from typing import Any +import pytest from packaging.version import parse as parse_version from pexpect.popen_spawn import PopenSpawn -from pytest import mark, raises from twisted.internet.defer import Deferred, inlineCallbacks from twisted.trial import unittest from w3lib import __version__ as w3lib_version @@ -77,14 +77,14 @@ class CrawlerTestCase(BaseCrawlerTest): self.assertOptionIsDefault(crawler.settings, "RETRY_ENABLED") def test_crawler_rejects_spider_objects(self): - with raises(ValueError): + with pytest.raises(ValueError, match="spidercls argument must be a class"): Crawler(DefaultSpider()) @inlineCallbacks def test_crawler_crawl_twice_unsupported(self): crawler = get_raw_crawler(NoRequestsSpider, BASE_SETTINGS) yield crawler.crawl() - with raises(RuntimeError, match="more than once on the same instance"): + with pytest.raises(RuntimeError, match="more than once on the same instance"): yield crawler.crawl() def test_get_addon(self): @@ -203,7 +203,7 @@ class CrawlerTestCase(BaseCrawlerTest): raise crawler = get_raw_crawler(MySpider, BASE_SETTINGS) - with raises(RuntimeError): + with pytest.raises(RuntimeError): yield crawler.crawl() @inlineCallbacks @@ -282,7 +282,7 @@ class CrawlerTestCase(BaseCrawlerTest): raise crawler = get_raw_crawler(MySpider, BASE_SETTINGS) - with raises(RuntimeError): + with pytest.raises(RuntimeError): yield crawler.crawl() @inlineCallbacks @@ -361,7 +361,7 @@ class CrawlerTestCase(BaseCrawlerTest): raise crawler = get_raw_crawler(MySpider, BASE_SETTINGS) - with raises(RuntimeError): + with pytest.raises(RuntimeError): yield crawler.crawl() @inlineCallbacks @@ -440,7 +440,7 @@ class CrawlerTestCase(BaseCrawlerTest): raise crawler = get_raw_crawler(MySpider, BASE_SETTINGS) - with raises(RuntimeError): + with pytest.raises(RuntimeError): yield crawler.crawl() @@ -575,7 +575,7 @@ class NoRequestsSpider(scrapy.Spider): return [] -@mark.usefixtures("reactor_pytest") +@pytest.mark.usefixtures("reactor_pytest") class CrawlerRunnerHasSpider(unittest.TestCase): def _runner(self): return CrawlerRunner() @@ -744,7 +744,7 @@ class CrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor", log ) - @mark.skipif( + @pytest.mark.skipif( parse_version(w3lib_version) >= parse_version("2.0.0"), reason="w3lib 2.0.0 and later do not allow invalid domains.", ) @@ -781,7 +781,7 @@ class CrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): "Using reactor: twisted.internet.selectreactor.SelectReactor", log ) - @mark.skipif( + @pytest.mark.skipif( platform.system() == "Windows", reason="PollReactor is not supported on Windows" ) def test_twisted_reactor_poll(self): @@ -820,7 +820,7 @@ class CrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): log, ) - @mark.requires_uvloop + @pytest.mark.requires_uvloop def test_custom_loop_asyncio(self): log = self.run_script("asyncio_custom_loop.py") self.assertIn("Spider closed (finished)", log) @@ -829,7 +829,7 @@ class CrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): ) self.assertIn("Using asyncio event loop: uvloop.Loop", log) - @mark.requires_uvloop + @pytest.mark.requires_uvloop def test_custom_loop_asyncio_deferred_signal(self): log = self.run_script("asyncio_deferred_signal.py", "uvloop.Loop") self.assertIn("Spider closed (finished)", log) @@ -839,7 +839,7 @@ class CrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): self.assertIn("Using asyncio event loop: uvloop.Loop", log) self.assertIn("async pipeline opened!", log) - @mark.requires_uvloop + @pytest.mark.requires_uvloop def test_asyncio_enabled_reactor_same_loop(self): log = self.run_script("asyncio_enabled_reactor_same_loop.py") self.assertIn("Spider closed (finished)", log) @@ -848,7 +848,7 @@ class CrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): ) self.assertIn("Using asyncio event loop: uvloop.Loop", log) - @mark.requires_uvloop + @pytest.mark.requires_uvloop def test_asyncio_enabled_reactor_different_loop(self): log = self.run_script("asyncio_enabled_reactor_different_loop.py") self.assertNotIn("Spider closed (finished)", log) @@ -924,13 +924,13 @@ class CrawlerRunnerSubprocess(ScriptRunnerMixin, unittest.TestCase): self.assertIn("DEBUG: Using asyncio event loop", log) -@mark.parametrize( - ["settings", "items"], - ( +@pytest.mark.parametrize( + ("settings", "items"), + [ ({}, default_settings.LOG_VERSIONS), ({"LOG_VERSIONS": ["itemadapter"]}, ["itemadapter"]), ({"LOG_VERSIONS": []}, None), - ), + ], ) def test_log_scrapy_info(settings, items, caplog): with caplog.at_level("INFO"): diff --git a/tests/test_downloadermiddleware.py b/tests/test_downloadermiddleware.py index c581e7596..42051042c 100644 --- a/tests/test_downloadermiddleware.py +++ b/tests/test_downloadermiddleware.py @@ -1,7 +1,7 @@ import asyncio from unittest import mock -from pytest import mark +import pytest from twisted.internet import defer from twisted.internet.defer import Deferred from twisted.python.failure import Failure @@ -220,7 +220,7 @@ class MiddlewareUsingDeferreds(ManagerTestCase): self.assertFalse(download_func.called) -@mark.usefixtures("reactor_pytest") +@pytest.mark.usefixtures("reactor_pytest") class MiddlewareUsingCoro(ManagerTestCase): """Middlewares using asyncio coroutines should work""" @@ -243,7 +243,7 @@ class MiddlewareUsingCoro(ManagerTestCase): self.assertIs(results[0], resp) self.assertFalse(download_func.called) - @mark.only_asyncio() + @pytest.mark.only_asyncio def test_asyncdef_asyncio(self): resp = Response("http://example.com/index.html") diff --git a/tests/test_downloadermiddleware_ajaxcrawlable.py b/tests/test_downloadermiddleware_ajaxcrawlable.py index 63bd158f6..76fcece4f 100644 --- a/tests/test_downloadermiddleware_ajaxcrawlable.py +++ b/tests/test_downloadermiddleware_ajaxcrawlable.py @@ -7,8 +7,6 @@ from scrapy.http import HtmlResponse, Request, Response from scrapy.spiders import Spider from scrapy.utils.test import get_crawler -__doctests__ = ["scrapy.downloadermiddlewares.ajaxcrawl"] - @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") class AjaxCrawlMiddlewareTest(unittest.TestCase): diff --git a/tests/test_downloadermiddleware_httpauth.py b/tests/test_downloadermiddleware_httpauth.py index 500af6536..581fc1974 100644 --- a/tests/test_downloadermiddleware_httpauth.py +++ b/tests/test_downloadermiddleware_httpauth.py @@ -7,18 +7,18 @@ from scrapy.http import Request from scrapy.spiders import Spider -class TestSpiderLegacy(Spider): +class LegacySpider(Spider): http_user = "foo" http_pass = "bar" -class TestSpider(Spider): +class DomainSpider(Spider): http_user = "foo" http_pass = "bar" http_auth_domain = "example.com" -class TestSpiderAny(Spider): +class AnyDomainSpider(Spider): http_user = "foo" http_pass = "bar" http_auth_domain = None @@ -26,7 +26,7 @@ class TestSpiderAny(Spider): class HttpAuthMiddlewareLegacyTest(unittest.TestCase): def setUp(self): - self.spider = TestSpiderLegacy("foo") + self.spider = LegacySpider("foo") def test_auth(self): with self.assertRaises(AttributeError): @@ -37,7 +37,7 @@ class HttpAuthMiddlewareLegacyTest(unittest.TestCase): class HttpAuthMiddlewareTest(unittest.TestCase): def setUp(self): self.mw = HttpAuthMiddleware() - self.spider = TestSpider("foo") + self.spider = DomainSpider("foo") self.mw.spider_opened(self.spider) def tearDown(self): @@ -67,7 +67,7 @@ class HttpAuthMiddlewareTest(unittest.TestCase): class HttpAuthAnyMiddlewareTest(unittest.TestCase): def setUp(self): self.mw = HttpAuthMiddleware() - self.spider = TestSpiderAny("foo") + self.spider = AnyDomainSpider("foo") self.mw.spider_opened(self.spider) def tearDown(self): diff --git a/tests/test_downloadermiddleware_httpcache.py b/tests/test_downloadermiddleware_httpcache.py index a0886d9e9..74db93f8a 100644 --- a/tests/test_downloadermiddleware_httpcache.py +++ b/tests/test_downloadermiddleware_httpcache.py @@ -353,7 +353,8 @@ class RFC2616PolicyTest(DefaultStorageTest): resc = mw.storage.retrieve_response(self.spider, req0) if shouldcache: self.assertEqualResponse(resc, res1) - assert "cached" in res2.flags and res2.status != 304 + assert "cached" in res2.flags + assert res2.status != 304 else: self.assertFalse(resc) assert "cached" not in res2.flags @@ -376,7 +377,8 @@ class RFC2616PolicyTest(DefaultStorageTest): resc = mw.storage.retrieve_response(self.spider, req0) if shouldcache: self.assertEqualResponse(resc, res1) - assert "cached" in res2.flags and res2.status != 304 + assert "cached" in res2.flags + assert res2.status != 304 else: self.assertFalse(resc) assert "cached" not in res2.flags diff --git a/tests/test_downloadermiddleware_httpproxy.py b/tests/test_downloadermiddleware_httpproxy.py index 97c276b48..f0826ef5b 100644 --- a/tests/test_downloadermiddleware_httpproxy.py +++ b/tests/test_downloadermiddleware_httpproxy.py @@ -131,7 +131,8 @@ class TestHttpProxyMiddleware(TestCase): mw = HttpProxyMiddleware() req = Request("http://noproxy.com", meta={"proxy": None}) assert mw.process_request(req, spider) is None - assert "proxy" in req.meta and req.meta["proxy"] is None + assert "proxy" in req.meta + assert req.meta["proxy"] is None def test_no_proxy(self): os.environ["http_proxy"] = "https://proxy.for.http:3128" diff --git a/tests/test_downloadermiddleware_offsite.py b/tests/test_downloadermiddleware_offsite.py index 23a1d06da..cace52a27 100644 --- a/tests/test_downloadermiddleware_offsite.py +++ b/tests/test_downloadermiddleware_offsite.py @@ -12,7 +12,7 @@ UNSET = object() @pytest.mark.parametrize( ("allowed_domain", "url", "allowed"), - ( + [ ("example.com", "http://example.com/1", True), ("example.com", "http://example.org/1", False), ("example.com", "http://sub.example.com/1", True), @@ -24,7 +24,7 @@ UNSET = object() ("example.com", "http://example.com.example", False), ("a.example", "http://nota.example", False), ("b.a.example", "http://notb.a.example", False), - ), + ], ) def test_process_request_domain_filtering(allowed_domain, url, allowed): crawler = get_crawler(Spider) @@ -41,12 +41,12 @@ def test_process_request_domain_filtering(allowed_domain, url, allowed): @pytest.mark.parametrize( ("value", "filtered"), - ( + [ (UNSET, True), (None, True), (False, True), (True, False), - ), + ], ) def test_process_request_dont_filter(value, filtered): crawler = get_crawler(Spider) @@ -66,7 +66,7 @@ def test_process_request_dont_filter(value, filtered): @pytest.mark.parametrize( ("allow_offsite", "dont_filter", "filtered"), - ( + [ (True, UNSET, False), (True, None, False), (True, False, False), @@ -75,7 +75,7 @@ def test_process_request_dont_filter(value, filtered): (False, None, True), (False, False, True), (False, True, False), - ), + ], ) def test_process_request_allow_offsite(allow_offsite, dont_filter, filtered): crawler = get_crawler(Spider) @@ -97,11 +97,11 @@ def test_process_request_allow_offsite(allow_offsite, dont_filter, filtered): @pytest.mark.parametrize( "value", - ( + [ UNSET, None, [], - ), + ], ) def test_process_request_no_allowed_domains(value): crawler = get_crawler(Spider) @@ -133,7 +133,7 @@ def test_process_request_invalid_domains(): @pytest.mark.parametrize( ("allowed_domain", "url", "allowed"), - ( + [ ("example.com", "http://example.com/1", True), ("example.com", "http://example.org/1", False), ("example.com", "http://sub.example.com/1", True), @@ -145,7 +145,7 @@ def test_process_request_invalid_domains(): ("example.com", "http://example.com.example", False), ("a.example", "http://nota.example", False), ("b.a.example", "http://notb.a.example", False), - ), + ], ) def test_request_scheduled_domain_filtering(allowed_domain, url, allowed): crawler = get_crawler(Spider) @@ -162,12 +162,12 @@ def test_request_scheduled_domain_filtering(allowed_domain, url, allowed): @pytest.mark.parametrize( ("value", "filtered"), - ( + [ (UNSET, True), (None, True), (False, True), (True, False), - ), + ], ) def test_request_scheduled_dont_filter(value, filtered): crawler = get_crawler(Spider) @@ -187,11 +187,11 @@ def test_request_scheduled_dont_filter(value, filtered): @pytest.mark.parametrize( "value", - ( + [ UNSET, None, [], - ), + ], ) def test_request_scheduled_no_allowed_domains(value): crawler = get_crawler(Spider) diff --git a/tests/test_downloadermiddleware_redirect.py b/tests/test_downloadermiddleware_redirect.py index eb3cdfc11..f950906e9 100644 --- a/tests/test_downloadermiddleware_redirect.py +++ b/tests/test_downloadermiddleware_redirect.py @@ -1278,7 +1278,7 @@ class MetaRefreshMiddlewareTest(Base.Test): @pytest.mark.parametrize( SCHEME_PARAMS, - ( + [ *REDIRECT_SCHEME_CASES, # data/file/ftp/s3/foo → * does not redirect *( @@ -1300,7 +1300,7 @@ class MetaRefreshMiddlewareTest(Base.Test): for scheme in NON_HTTP_SCHEMES for location in ("//example.com/b", "/b") ), - ), + ], ) def test_meta_refresh_schemes(url, location, target): crawler = get_crawler(Spider) diff --git a/tests/test_engine.py b/tests/test_engine.py index 91ce2c0de..e9470493f 100644 --- a/tests/test_engine.py +++ b/tests/test_engine.py @@ -42,7 +42,7 @@ from scrapy.utils.test import get_crawler from tests import get_testdata, tests_datadir -class TestItem(Item): +class MyItem(Item): name = Field() url = Field() price = Field() @@ -62,7 +62,7 @@ class DataClassItem: price: int = 0 -class TestSpider(Spider): +class MySpider(Spider): name = "scrapytest.org" allowed_domains = ["scrapytest.org", "localhost"] @@ -70,7 +70,7 @@ class TestSpider(Spider): name_re = re.compile(r"<h1>(.*?)</h1>", re.MULTILINE) price_re = re.compile(r">Price: \$(.*?)<", re.MULTILINE) - item_cls: type = TestItem + item_cls: type = MyItem def parse(self, response): xlink = LinkExtractor() @@ -91,24 +91,24 @@ class TestSpider(Spider): return adapter.item -class TestDupeFilterSpider(TestSpider): +class DupeFilterSpider(MySpider): def start_requests(self): return (Request(url) for url in self.start_urls) # no dont_filter=True -class DictItemsSpider(TestSpider): +class DictItemsSpider(MySpider): item_cls = dict -class AttrsItemsSpider(TestSpider): +class AttrsItemsSpider(MySpider): item_cls = AttrsItem -class DataClassItemsSpider(TestSpider): +class DataClassItemsSpider(MySpider): item_cls = DataClassItem -class ItemZeroDivisionErrorSpider(TestSpider): +class ItemZeroDivisionErrorSpider(MySpider): custom_settings = { "ITEM_PIPELINES": { "tests.pipelines.ProcessWithZeroDivisionErrorPipeline": 300, @@ -116,7 +116,7 @@ class ItemZeroDivisionErrorSpider(TestSpider): } -class ChangeCloseReasonSpider(TestSpider): +class ChangeCloseReasonSpider(MySpider): @classmethod def from_crawler(cls, crawler, *args, **kwargs): spider = cls(*args, **kwargs) @@ -388,7 +388,7 @@ class EngineTest(EngineTestBase): @defer.inlineCallbacks def test_crawler(self): for spider in ( - TestSpider, + MySpider, DictItemsSpider, AttrsItemsSpider, DataClassItemsSpider, @@ -404,7 +404,7 @@ class EngineTest(EngineTestBase): @defer.inlineCallbacks def test_crawler_dupefilter(self): - run = CrawlerRun(TestDupeFilterSpider) + run = CrawlerRun(DupeFilterSpider) yield run.run() self._assert_scheduled_requests(run, count=8) self._assert_dropped_requests(run) @@ -426,13 +426,13 @@ class EngineTest(EngineTestBase): @defer.inlineCallbacks def test_close_downloader(self): - e = ExecutionEngine(get_crawler(TestSpider), lambda _: None) + e = ExecutionEngine(get_crawler(MySpider), lambda _: None) yield e.close() @defer.inlineCallbacks def test_start_already_running_exception(self): - e = ExecutionEngine(get_crawler(TestSpider), lambda _: None) - yield e.open_spider(TestSpider(), []) + e = ExecutionEngine(get_crawler(MySpider), lambda _: None) + yield e.open_spider(MySpider(), []) e.start() try: yield self.assertFailure(e.start(), RuntimeError).addBoth( @@ -486,7 +486,7 @@ def test_request_scheduled_signal(caplog): if "drop" in request.url: raise IgnoreRequest - spider = TestSpider() + spider = MySpider() crawler = get_crawler(spider.__class__) engine = ExecutionEngine(crawler, lambda _: None) engine.downloader._slot_gc_loop.stop() diff --git a/tests/test_engine_stop_download_bytes.py b/tests/test_engine_stop_download_bytes.py index 8bf225ab1..5dd04c310 100644 --- a/tests/test_engine_stop_download_bytes.py +++ b/tests/test_engine_stop_download_bytes.py @@ -8,7 +8,7 @@ from tests.test_engine import ( DataClassItemsSpider, DictItemsSpider, EngineTestBase, - TestSpider, + MySpider, ) @@ -22,7 +22,7 @@ class BytesReceivedEngineTest(EngineTestBase): @defer.inlineCallbacks def test_crawler(self): for spider in ( - TestSpider, + MySpider, DictItemsSpider, AttrsItemsSpider, DataClassItemsSpider, diff --git a/tests/test_engine_stop_download_headers.py b/tests/test_engine_stop_download_headers.py index 4efb6b7a8..06929d1e4 100644 --- a/tests/test_engine_stop_download_headers.py +++ b/tests/test_engine_stop_download_headers.py @@ -8,7 +8,7 @@ from tests.test_engine import ( DataClassItemsSpider, DictItemsSpider, EngineTestBase, - TestSpider, + MySpider, ) @@ -22,7 +22,7 @@ class HeadersReceivedEngineTest(EngineTestBase): @defer.inlineCallbacks def test_crawler(self): for spider in ( - TestSpider, + MySpider, DictItemsSpider, AttrsItemsSpider, DataClassItemsSpider, diff --git a/tests/test_exporters.py b/tests/test_exporters.py index c2cab9b2a..eb8d309b6 100644 --- a/tests/test_exporters.py +++ b/tests/test_exporters.py @@ -31,7 +31,7 @@ def custom_serializer(value): return str(int(value) + 2) -class TestItem(Item): +class MyItem(Item): name = Field() age = Field() @@ -42,7 +42,7 @@ class CustomFieldItem(Item): @dataclasses.dataclass -class TestDataClass: +class MyDataClass: name: str age: int @@ -54,7 +54,7 @@ class CustomFieldDataclass: class BaseItemExporterTest(unittest.TestCase): - item_class: type = TestItem + item_class: type = MyItem custom_field_item_class: type = CustomFieldItem def setUp(self): @@ -138,7 +138,7 @@ class BaseItemExporterTest(unittest.TestCase): class BaseItemExporterDataclassTest(BaseItemExporterTest): - item_class = TestDataClass + item_class = MyDataClass custom_field_item_class = CustomFieldDataclass @@ -207,7 +207,7 @@ class PythonItemExporterTest(BaseItemExporterTest): class PythonItemExporterDataclassTest(PythonItemExporterTest): - item_class = TestDataClass + item_class = MyDataClass custom_field_item_class = CustomFieldDataclass @@ -222,7 +222,7 @@ class PprintItemExporterTest(BaseItemExporterTest): class PprintItemExporterDataclassTest(PprintItemExporterTest): - item_class = TestDataClass + item_class = MyDataClass custom_field_item_class = CustomFieldDataclass @@ -259,7 +259,7 @@ class PickleItemExporterTest(BaseItemExporterTest): class PickleItemExporterDataclassTest(PickleItemExporterTest): - item_class = TestDataClass + item_class = MyDataClass custom_field_item_class = CustomFieldDataclass @@ -286,7 +286,7 @@ class MarshalItemExporterTest(BaseItemExporterTest): class MarshalItemExporterDataclassTest(MarshalItemExporterTest): - item_class = TestDataClass + item_class = MyDataClass custom_field_item_class = CustomFieldDataclass @@ -406,7 +406,7 @@ class CsvItemExporterTest(BaseItemExporterTest): class CsvItemExporterDataclassTest(CsvItemExporterTest): - item_class = TestDataClass + item_class = MyDataClass custom_field_item_class = CustomFieldDataclass @@ -517,7 +517,7 @@ class XmlItemExporterTest(BaseItemExporterTest): class XmlItemExporterDataclassTest(XmlItemExporterTest): - item_class = TestDataClass + item_class = MyDataClass custom_field_item_class = CustomFieldDataclass @@ -563,7 +563,7 @@ class JsonLinesItemExporterTest(BaseItemExporterTest): class JsonLinesItemExporterDataclassTest(JsonLinesItemExporterTest): - item_class = TestDataClass + item_class = MyDataClass custom_field_item_class = CustomFieldDataclass @@ -595,11 +595,11 @@ class JsonItemExporterTest(JsonLinesItemExporterTest): self.assertTwoItemsExported(ItemAdapter(self.i).asdict()) def test_two_items_with_failure_between(self): - i1 = TestItem(name="Joseph\xa3", age="22") - i2 = TestItem( + i1 = MyItem(name="Joseph\xa3", age="22") + i2 = MyItem( name="Maria", age=1j ) # Invalid datetimes didn't consistently fail between Python versions - i3 = TestItem(name="Jesus", age="44") + i3 = MyItem(name="Jesus", age="44") self.ie.start_exporting() self.ie.export_item(i1) self.assertRaises(TypeError, self.ie.export_item, i2) @@ -652,9 +652,9 @@ class JsonItemExporterToBytesTest(BaseItemExporterTest): return JsonItemExporter(self.output, **kwargs) def test_two_items_with_failure_between(self): - i1 = TestItem(name="Joseph", age="22") - i2 = TestItem(name="\u263a", age="11") - i3 = TestItem(name="Jesus", age="44") + i1 = MyItem(name="Joseph", age="22") + i2 = MyItem(name="\u263a", age="11") + i3 = MyItem(name="Jesus", age="44") self.ie.start_exporting() self.ie.export_item(i1) self.assertRaises(UnicodeEncodeError, self.ie.export_item, i2) @@ -665,12 +665,12 @@ class JsonItemExporterToBytesTest(BaseItemExporterTest): class JsonItemExporterDataclassTest(JsonItemExporterTest): - item_class = TestDataClass + item_class = MyDataClass custom_field_item_class = CustomFieldDataclass class CustomExporterItemTest(unittest.TestCase): - item_class: type = TestItem + item_class: type = MyItem def setUp(self): if self.item_class is None: @@ -700,4 +700,4 @@ class CustomExporterItemTest(unittest.TestCase): class CustomExporterDataclassTest(CustomExporterItemTest): - item_class = TestDataClass + item_class = MyDataClass diff --git a/tests/test_extension_periodic_log.py b/tests/test_extension_periodic_log.py index 15129e31f..ca5ffdc26 100644 --- a/tests/test_extension_periodic_log.py +++ b/tests/test_extension_periodic_log.py @@ -51,7 +51,7 @@ stats_dump_2 = { } -class TestExtPeriodicLog(PeriodicLog): +class CustomPeriodicLog(PeriodicLog): def set_a(self): self.stats._stats = stats_dump_1 @@ -62,7 +62,7 @@ class TestExtPeriodicLog(PeriodicLog): def extension(settings=None): crawler = Crawler(MetaSpider, settings=settings) crawler._apply_settings() - return TestExtPeriodicLog.from_crawler(crawler) + return CustomPeriodicLog.from_crawler(crawler) class TestPeriodicLog(unittest.TestCase): diff --git a/tests/test_extension_throttle.py b/tests/test_extension_throttle.py index f2c9dc063..4874f284a 100644 --- a/tests/test_extension_throttle.py +++ b/tests/test_extension_throttle.py @@ -13,15 +13,12 @@ from scrapy.settings.default_settings import ( DOWNLOAD_DELAY, ) from scrapy.utils.misc import build_from_crawler +from scrapy.utils.spider import DefaultSpider from scrapy.utils.test import get_crawler as _get_crawler UNSET = object() -class TestSpider(Spider): - name = "test" - - def get_crawler(settings=None, spidercls=None): settings = settings or {} settings["AUTOTHROTTLE_ENABLED"] = True @@ -30,11 +27,11 @@ def get_crawler(settings=None, spidercls=None): @pytest.mark.parametrize( ("value", "expected"), - ( + [ (UNSET, False), (False, False), (True, True), - ), + ], ) def test_enabled(value, expected): settings = {} @@ -50,10 +47,10 @@ def test_enabled(value, expected): @pytest.mark.parametrize( "value", - ( + [ 0.0, -1.0, - ), + ], ) def test_target_concurrency_invalid(value): settings = {"AUTOTHROTTLE_TARGET_CONCURRENCY": value} @@ -64,13 +61,13 @@ def test_target_concurrency_invalid(value): @pytest.mark.parametrize( ("spider", "setting", "expected"), - ( + [ (UNSET, UNSET, DOWNLOAD_DELAY), (1.0, UNSET, 1.0), (UNSET, 1.0, 1.0), (1.0, 2.0, 1.0), (3.0, 2.0, 3.0), - ), + ], ) def test_mindelay_definition(spider, setting, expected): settings = {} @@ -91,10 +88,10 @@ def test_mindelay_definition(spider, setting, expected): @pytest.mark.parametrize( ("value", "expected"), - ( + [ (UNSET, AUTOTHROTTLE_MAX_DELAY), (1.0, 1.0), - ), + ], ) def test_maxdelay_definition(value, expected): settings = {} @@ -102,13 +99,13 @@ def test_maxdelay_definition(value, expected): settings["AUTOTHROTTLE_MAX_DELAY"] = value crawler = get_crawler(settings) at = build_from_crawler(AutoThrottle, crawler) - at._spider_opened(TestSpider()) + at._spider_opened(DefaultSpider()) assert at.maxdelay == expected @pytest.mark.parametrize( ("min_spider", "min_setting", "start_setting", "expected"), - ( + [ (UNSET, UNSET, UNSET, AUTOTHROTTLE_START_DELAY), (AUTOTHROTTLE_START_DELAY - 1.0, UNSET, UNSET, AUTOTHROTTLE_START_DELAY), (AUTOTHROTTLE_START_DELAY + 1.0, UNSET, UNSET, AUTOTHROTTLE_START_DELAY + 1.0), @@ -134,7 +131,7 @@ def test_maxdelay_definition(value, expected): AUTOTHROTTLE_START_DELAY + 2.0, AUTOTHROTTLE_START_DELAY + 2.0, ), - ), + ], ) def test_startdelay_definition(min_spider, min_setting, start_setting, expected): settings = {} @@ -158,7 +155,7 @@ def test_startdelay_definition(min_spider, min_setting, start_setting, expected) @pytest.mark.parametrize( ("meta", "slot"), - ( + [ ({}, None), ({"download_latency": 1.0}, None), ({"download_slot": "foo"}, None), @@ -172,12 +169,12 @@ def test_startdelay_definition(min_spider, min_setting, start_setting, expected) }, "foo", ), - ), + ], ) def test_skipped(meta, slot): crawler = get_crawler() at = build_from_crawler(AutoThrottle, crawler) - spider = TestSpider() + spider = DefaultSpider() at._spider_opened(spider) request = Request("https://example.com", meta=meta) @@ -193,7 +190,7 @@ def test_skipped(meta, slot): @pytest.mark.parametrize( ("download_latency", "target_concurrency", "slot_delay", "expected"), - ( + [ (2.0, 2.0, 1.0, 1.0), (1.0, 2.0, 1.0, 0.75), (4.0, 2.0, 1.0, 2.0), @@ -201,13 +198,13 @@ def test_skipped(meta, slot): (2.0, 4.0, 1.0, 0.75), (2.0, 2.0, 0.5, 1.0), (2.0, 2.0, 2.0, 1.5), - ), + ], ) def test_adjustment(download_latency, target_concurrency, slot_delay, expected): settings = {"AUTOTHROTTLE_TARGET_CONCURRENCY": target_concurrency} crawler = get_crawler(settings) at = build_from_crawler(AutoThrottle, crawler) - spider = TestSpider() + spider = DefaultSpider() at._spider_opened(spider) meta = {"download_latency": download_latency, "download_slot": "foo"} request = Request("https://example.com", meta=meta) @@ -227,11 +224,11 @@ def test_adjustment(download_latency, target_concurrency, slot_delay, expected): @pytest.mark.parametrize( ("mindelay", "maxdelay", "expected"), - ( + [ (0.5, 2.0, 1.0), (0.25, 0.5, 0.5), (2.0, 4.0, 2.0), - ), + ], ) def test_adjustment_limits(mindelay, maxdelay, expected): download_latency, target_concurrency, slot_delay = (2.0, 2.0, 1.0) @@ -243,7 +240,7 @@ def test_adjustment_limits(mindelay, maxdelay, expected): } crawler = get_crawler(settings) at = build_from_crawler(AutoThrottle, crawler) - spider = TestSpider() + spider = DefaultSpider() at._spider_opened(spider) meta = {"download_latency": download_latency, "download_slot": "foo"} request = Request("https://example.com", meta=meta) @@ -263,11 +260,11 @@ def test_adjustment_limits(mindelay, maxdelay, expected): @pytest.mark.parametrize( ("download_latency", "target_concurrency", "slot_delay", "expected"), - ( + [ (2.0, 2.0, 1.0, 1.0), (1.0, 2.0, 1.0, 1.0), # Instead of 0.75 (4.0, 2.0, 1.0, 2.0), - ), + ], ) def test_adjustment_bad_response( download_latency, target_concurrency, slot_delay, expected @@ -275,7 +272,7 @@ def test_adjustment_bad_response( settings = {"AUTOTHROTTLE_TARGET_CONCURRENCY": target_concurrency} crawler = get_crawler(settings) at = build_from_crawler(AutoThrottle, crawler) - spider = TestSpider() + spider = DefaultSpider() at._spider_opened(spider) meta = {"download_latency": download_latency, "download_slot": "foo"} request = Request("https://example.com", meta=meta) @@ -297,7 +294,7 @@ def test_debug(caplog): settings = {"AUTOTHROTTLE_DEBUG": True} crawler = get_crawler(settings) at = build_from_crawler(AutoThrottle, crawler) - spider = TestSpider() + spider = DefaultSpider() at._spider_opened(spider) meta = {"download_latency": 1.0, "download_slot": "foo"} request = Request("https://example.com", meta=meta) @@ -327,7 +324,7 @@ def test_debug(caplog): def test_debug_disabled(caplog): crawler = get_crawler() at = build_from_crawler(AutoThrottle, crawler) - spider = TestSpider() + spider = DefaultSpider() at._spider_opened(spider) meta = {"download_latency": 1.0, "download_slot": "foo"} request = Request("https://example.com", meta=meta) diff --git a/tests/test_http2_client_protocol.py b/tests/test_http2_client_protocol.py index 1f998de1a..ddc772236 100644 --- a/tests/test_http2_client_protocol.py +++ b/tests/test_http2_client_protocol.py @@ -258,7 +258,8 @@ class Https2ClientProtocolTestCase(TestCase): :param path: Should have / at the starting compulsorily if not empty :return: Complete url """ - assert len(path) > 0 and (path[0] == "/" or path[0] == "&") + assert len(path) > 0 + assert path[0] == "/" or path[0] == "&" return f"{self.scheme}://{self.hostname}:{self.port_number}{path}" def make_request(self, request: Request) -> Deferred: diff --git a/tests/test_http_response.py b/tests/test_http_response.py index b157e9802..dde883451 100644 --- a/tests/test_http_response.py +++ b/tests/test_http_response.py @@ -2,8 +2,8 @@ import codecs import unittest from unittest import mock +import pytest from packaging.version import Version as parse_version -from pytest import mark from w3lib import __version__ as w3lib_version from w3lib.encoding import resolve_encoding @@ -218,7 +218,7 @@ class BaseResponseTest(unittest.TestCase): r = self.response_class("http://example.com") self.assertRaises(ValueError, r.follow, None) - @mark.xfail( + @pytest.mark.xfail( parse_version(w3lib_version) < parse_version("2.1.1"), reason="https://github.com/scrapy/w3lib/pull/207", strict=True, @@ -226,7 +226,7 @@ class BaseResponseTest(unittest.TestCase): def test_follow_whitespace_url(self): self._assert_followed_url("foo ", "http://example.com/foo") - @mark.xfail( + @pytest.mark.xfail( parse_version(w3lib_version) < parse_version("2.1.1"), reason="https://github.com/scrapy/w3lib/pull/207", strict=True, @@ -473,10 +473,8 @@ class TextResponseTest(BaseResponseTest): self._assert_response_encoding(r5, "utf-8") self._assert_response_encoding(r8, "utf-8") self._assert_response_encoding(r9, "cp1252") - assert ( - r4._body_inferred_encoding() is not None - and r4._body_inferred_encoding() != "ascii" - ) + assert r4._body_inferred_encoding() is not None + assert r4._body_inferred_encoding() != "ascii" self._assert_response_values(r1, "utf-8", "\xa3") self._assert_response_values(r2, "utf-8", "\xa3") self._assert_response_values(r3, "iso-8859-1", "\xa3") diff --git a/tests/test_linkextractors.py b/tests/test_linkextractors.py index a83cfb56c..e751e0a63 100644 --- a/tests/test_linkextractors.py +++ b/tests/test_linkextractors.py @@ -4,8 +4,8 @@ import pickle import re import unittest +import pytest from packaging.version import Version -from pytest import mark from w3lib import __version__ as w3lib_version from scrapy.http import HtmlResponse, XmlResponse @@ -930,7 +930,7 @@ class LxmlLinkExtractorTestCase(Base.LinkExtractorTestCase): ], ) - @mark.skipif( + @pytest.mark.skipif( Version(w3lib_version) < Version("2.0.0"), reason=( "Before w3lib 2.0.0, w3lib.url.safe_url_string would not complain " diff --git a/tests/test_loader.py b/tests/test_loader.py index 824d7aecf..b52d5ea2e 100644 --- a/tests/test_loader.py +++ b/tests/test_loader.py @@ -18,12 +18,12 @@ class NameItem(Item): name = Field() -class TestItem(NameItem): +class SummaryItem(NameItem): url = Field() summary = Field() -class TestNestedItem(Item): +class NestedItem(Item): name = Field() name_div = Field() name_value = Field() @@ -38,20 +38,20 @@ class AttrsNameItem: @dataclasses.dataclass -class TestDataClass: +class NameDataClass: name: list = dataclasses.field(default_factory=list) # test item loaders class NameItemLoader(ItemLoader): - default_item_class = TestItem + default_item_class = SummaryItem class NestedItemLoader(ItemLoader): - default_item_class = TestNestedItem + default_item_class = NestedItem -class TestItemLoader(NameItemLoader): +class ProcessorItemLoader(NameItemLoader): name_in = MapCompose(lambda v: v.title()) @@ -68,11 +68,11 @@ def processor_with_args(value, other=None, loader_context=None): class BasicItemLoaderTest(unittest.TestCase): def test_add_value_on_unknown_field(self): - il = TestItemLoader() + il = ProcessorItemLoader() self.assertRaises(KeyError, il.add_value, "wrong_field", ["lala", "lolo"]) def test_load_item_using_default_loader(self): - i = TestItem() + i = SummaryItem() i["summary"] = "lala" il = ItemLoader(item=i) il.add_value("name", "marta") @@ -82,7 +82,7 @@ class BasicItemLoaderTest(unittest.TestCase): self.assertEqual(item["name"], ["marta"]) def test_load_item_using_custom_loader(self): - il = TestItemLoader() + il = ProcessorItemLoader() il.add_value("name", "marta") item = il.load_item() self.assertEqual(item["name"], ["Marta"]) @@ -194,7 +194,7 @@ class InitializationFromAttrsItemTest(InitializationTestMixin, unittest.TestCase class InitializationFromDataClassTest(InitializationTestMixin, unittest.TestCase): - item_class = TestDataClass + item_class = NameDataClass class BaseNoInputReprocessingLoader(ItemLoader): @@ -289,11 +289,11 @@ class SelectortemLoaderTest(unittest.TestCase): ) def test_init_method(self): - l = TestItemLoader() + l = ProcessorItemLoader() self.assertEqual(l.selector, None) def test_init_method_errors(self): - l = TestItemLoader() + l = ProcessorItemLoader() self.assertRaises(RuntimeError, l.add_xpath, "url", "//a/@href") self.assertRaises(RuntimeError, l.replace_xpath, "url", "//a/@href") self.assertRaises(RuntimeError, l.get_xpath, "//a/@href") @@ -303,7 +303,7 @@ class SelectortemLoaderTest(unittest.TestCase): def test_init_method_with_selector(self): sel = Selector(text="<html><body><div>marta</div></body></html>") - l = TestItemLoader(selector=sel) + l = ProcessorItemLoader(selector=sel) self.assertIs(l.selector, sel) l.add_xpath("name", "//div/text()") @@ -311,7 +311,7 @@ class SelectortemLoaderTest(unittest.TestCase): def test_init_method_with_selector_css(self): sel = Selector(text="<html><body><div>marta</div></body></html>") - l = TestItemLoader(selector=sel) + l = ProcessorItemLoader(selector=sel) self.assertIs(l.selector, sel) l.add_css("name", "div::text") @@ -320,18 +320,18 @@ class SelectortemLoaderTest(unittest.TestCase): def test_init_method_with_base_response(self): """Selector should be None after initialization""" response = Response("https://scrapy.org") - l = TestItemLoader(response=response) + l = ProcessorItemLoader(response=response) self.assertIs(l.selector, None) def test_init_method_with_response(self): - l = TestItemLoader(response=self.response) + l = ProcessorItemLoader(response=self.response) self.assertTrue(l.selector) l.add_xpath("name", "//div/text()") self.assertEqual(l.get_output_value("name"), ["Marta"]) def test_init_method_with_response_css(self): - l = TestItemLoader(response=self.response) + l = ProcessorItemLoader(response=self.response) self.assertTrue(l.selector) l.add_css("name", "div::text") @@ -350,12 +350,12 @@ class SelectortemLoaderTest(unittest.TestCase): ) def test_add_xpath_re(self): - l = TestItemLoader(response=self.response) + l = ProcessorItemLoader(response=self.response) l.add_xpath("name", "//div/text()", re="ma") self.assertEqual(l.get_output_value("name"), ["Ma"]) def test_replace_xpath(self): - l = TestItemLoader(response=self.response) + l = ProcessorItemLoader(response=self.response) self.assertTrue(l.selector) l.add_xpath("name", "//div/text()") self.assertEqual(l.get_output_value("name"), ["Marta"]) @@ -366,7 +366,7 @@ class SelectortemLoaderTest(unittest.TestCase): self.assertEqual(l.get_output_value("name"), ["Paragraph", "Marta"]) def test_get_xpath(self): - l = TestItemLoader(response=self.response) + l = ProcessorItemLoader(response=self.response) self.assertEqual(l.get_xpath("//p/text()"), ["paragraph"]) self.assertEqual(l.get_xpath("//p/text()", TakeFirst()), "paragraph") self.assertEqual(l.get_xpath("//p/text()", TakeFirst(), re="pa"), "pa") @@ -376,14 +376,14 @@ class SelectortemLoaderTest(unittest.TestCase): ) def test_replace_xpath_multi_fields(self): - l = TestItemLoader(response=self.response) + l = ProcessorItemLoader(response=self.response) l.add_xpath(None, "//div/text()", TakeFirst(), lambda x: {"name": x}) self.assertEqual(l.get_output_value("name"), ["Marta"]) l.replace_xpath(None, "//p/text()", TakeFirst(), lambda x: {"name": x}) self.assertEqual(l.get_output_value("name"), ["Paragraph"]) def test_replace_xpath_re(self): - l = TestItemLoader(response=self.response) + l = ProcessorItemLoader(response=self.response) self.assertTrue(l.selector) l.add_xpath("name", "//div/text()") self.assertEqual(l.get_output_value("name"), ["Marta"]) @@ -391,7 +391,7 @@ class SelectortemLoaderTest(unittest.TestCase): self.assertEqual(l.get_output_value("name"), ["Ma"]) def test_add_css_re(self): - l = TestItemLoader(response=self.response) + l = ProcessorItemLoader(response=self.response) l.add_css("name", "div::text", re="ma") self.assertEqual(l.get_output_value("name"), ["Ma"]) @@ -399,7 +399,7 @@ class SelectortemLoaderTest(unittest.TestCase): self.assertEqual(l.get_output_value("url"), ["www.scrapy.org"]) def test_replace_css(self): - l = TestItemLoader(response=self.response) + l = ProcessorItemLoader(response=self.response) self.assertTrue(l.selector) l.add_css("name", "div::text") self.assertEqual(l.get_output_value("name"), ["Marta"]) @@ -415,7 +415,7 @@ class SelectortemLoaderTest(unittest.TestCase): self.assertEqual(l.get_output_value("url"), ["/images/logo.png"]) def test_get_css(self): - l = TestItemLoader(response=self.response) + l = ProcessorItemLoader(response=self.response) self.assertEqual(l.get_css("p::text"), ["paragraph"]) self.assertEqual(l.get_css("p::text", TakeFirst()), "paragraph") self.assertEqual(l.get_css("p::text", TakeFirst(), re="pa"), "pa") @@ -427,7 +427,7 @@ class SelectortemLoaderTest(unittest.TestCase): ) def test_replace_css_multi_fields(self): - l = TestItemLoader(response=self.response) + l = ProcessorItemLoader(response=self.response) l.add_css(None, "div::text", TakeFirst(), lambda x: {"name": x}) self.assertEqual(l.get_output_value("name"), ["Marta"]) l.replace_css(None, "p::text", TakeFirst(), lambda x: {"name": x}) @@ -439,7 +439,7 @@ class SelectortemLoaderTest(unittest.TestCase): self.assertEqual(l.get_output_value("url"), ["/images/logo.png"]) def test_replace_css_re(self): - l = TestItemLoader(response=self.response) + l = ProcessorItemLoader(response=self.response) self.assertTrue(l.selector) l.add_css("url", "a::attr(href)") self.assertEqual(l.get_output_value("url"), ["http://www.scrapy.org"]) diff --git a/tests/test_loader_deprecated.py b/tests/test_loader_deprecated.py index 8d4bd6bc1..1e504f539 100644 --- a/tests/test_loader_deprecated.py +++ b/tests/test_loader_deprecated.py @@ -24,17 +24,17 @@ class NameItem(Item): name = Field() -class TestItem(NameItem): +class SummaryItem(NameItem): url = Field() summary = Field() # test item loaders class NameItemLoader(ItemLoader): - default_item_class = TestItem + default_item_class = SummaryItem -class TestItemLoader(NameItemLoader): +class ProcessorItemLoader(NameItemLoader): name_in = MapCompose(lambda v: v.title()) @@ -51,7 +51,7 @@ def processor_with_args(value, other=None, loader_context=None): class BasicItemLoaderTest(unittest.TestCase): def test_load_item_using_default_loader(self): - i = TestItem() + i = SummaryItem() i["summary"] = "lala" il = ItemLoader(item=i) il.add_value("name", "marta") @@ -61,7 +61,7 @@ class BasicItemLoaderTest(unittest.TestCase): self.assertEqual(item["name"], ["marta"]) def test_load_item_using_custom_loader(self): - il = TestItemLoader() + il = ProcessorItemLoader() il.add_value("name", "marta") item = il.load_item() self.assertEqual(item["name"], ["Marta"]) @@ -125,7 +125,7 @@ class BasicItemLoaderTest(unittest.TestCase): ) def test_add_value(self): - il = TestItemLoader() + il = ProcessorItemLoader() il.add_value("name", "marta") self.assertEqual(il.get_collected_values("name"), ["Marta"]) self.assertEqual(il.get_output_value("name"), ["Marta"]) @@ -146,7 +146,7 @@ class BasicItemLoaderTest(unittest.TestCase): self.assertEqual(il.get_collected_values("name"), [0]) def test_replace_value(self): - il = TestItemLoader() + il = ProcessorItemLoader() il.replace_value("name", "marta") self.assertEqual(il.get_collected_values("name"), ["Marta"]) self.assertEqual(il.get_output_value("name"), ["Marta"]) @@ -229,7 +229,7 @@ class BasicItemLoaderTest(unittest.TestCase): self.assertEqual(il.get_output_value("name"), ["mart"]) def test_input_processor_inheritance(self): - class ChildItemLoader(TestItemLoader): + class ChildItemLoader(ProcessorItemLoader): url_in = MapCompose(lambda v: v.lower()) il = ChildItemLoader() @@ -265,8 +265,8 @@ class BasicItemLoaderTest(unittest.TestCase): self.assertEqual(il.get_output_value("name"), ["marta"]) def test_extend_custom_input_processors(self): - class ChildItemLoader(TestItemLoader): - name_in = MapCompose(TestItemLoader.name_in, str.swapcase) + class ChildItemLoader(ProcessorItemLoader): + name_in = MapCompose(ProcessorItemLoader.name_in, str.swapcase) il = ChildItemLoader() il.add_value("name", "marta") @@ -283,11 +283,11 @@ class BasicItemLoaderTest(unittest.TestCase): self.assertEqual(il.get_output_value("name"), ["MART"]) def test_output_processor_using_function(self): - il = TestItemLoader() + il = ProcessorItemLoader() il.add_value("name", ["mar", "ta"]) self.assertEqual(il.get_output_value("name"), ["Mar", "Ta"]) - class TakeFirstItemLoader(TestItemLoader): + class TakeFirstItemLoader(ProcessorItemLoader): name_out = " ".join il = TakeFirstItemLoader() @@ -296,7 +296,7 @@ class BasicItemLoaderTest(unittest.TestCase): def test_output_processor_error(self): class TestItemLoader(ItemLoader): - default_item_class = TestItem + default_item_class = SummaryItem name_out = MapCompose(float) il = TestItemLoader() @@ -319,18 +319,18 @@ class BasicItemLoaderTest(unittest.TestCase): assert expected_exc_str in s, s def test_output_processor_using_classes(self): - il = TestItemLoader() + il = ProcessorItemLoader() il.add_value("name", ["mar", "ta"]) self.assertEqual(il.get_output_value("name"), ["Mar", "Ta"]) - class TakeFirstItemLoader(TestItemLoader): + class TakeFirstItemLoader(ProcessorItemLoader): name_out = Join() il = TakeFirstItemLoader() il.add_value("name", ["mar", "ta"]) self.assertEqual(il.get_output_value("name"), "Mar Ta") - class TakeFirstItemLoader2(TestItemLoader): + class TakeFirstItemLoader2(ProcessorItemLoader): name_out = Join("<br>") il = TakeFirstItemLoader2() @@ -338,11 +338,11 @@ class BasicItemLoaderTest(unittest.TestCase): self.assertEqual(il.get_output_value("name"), "Mar<br>Ta") def test_default_output_processor(self): - il = TestItemLoader() + il = ProcessorItemLoader() il.add_value("name", ["mar", "ta"]) self.assertEqual(il.get_output_value("name"), ["Mar", "Ta"]) - class LalaItemLoader(TestItemLoader): + class LalaItemLoader(ProcessorItemLoader): default_output_processor = Identity() il = LalaItemLoader() @@ -350,7 +350,7 @@ class BasicItemLoaderTest(unittest.TestCase): self.assertEqual(il.get_output_value("name"), ["Mar", "Ta"]) def test_loader_context_on_declaration(self): - class ChildItemLoader(TestItemLoader): + class ChildItemLoader(ProcessorItemLoader): url_in = MapCompose(processor_with_args, key="val") il = ChildItemLoader() @@ -360,7 +360,7 @@ class BasicItemLoaderTest(unittest.TestCase): self.assertEqual(il.get_output_value("url"), ["val"]) def test_loader_context_on_instantiation(self): - class ChildItemLoader(TestItemLoader): + class ChildItemLoader(ProcessorItemLoader): url_in = MapCompose(processor_with_args) il = ChildItemLoader(key="val") @@ -370,7 +370,7 @@ class BasicItemLoaderTest(unittest.TestCase): self.assertEqual(il.get_output_value("url"), ["val"]) def test_loader_context_on_assign(self): - class ChildItemLoader(TestItemLoader): + class ChildItemLoader(ProcessorItemLoader): url_in = MapCompose(processor_with_args) il = ChildItemLoader() @@ -384,10 +384,10 @@ class BasicItemLoaderTest(unittest.TestCase): def processor(value, loader_context): return loader_context["item"]["name"] - class ChildItemLoader(TestItemLoader): + class ChildItemLoader(ProcessorItemLoader): url_in = MapCompose(processor) - it = TestItem(name="marta") + it = SummaryItem(name="marta") il = ChildItemLoader(item=it) il.add_value("url", "text") self.assertEqual(il.get_output_value("url"), ["marta"]) diff --git a/tests/test_middleware.py b/tests/test_middleware.py index 3a1cf19ad..0cc532570 100644 --- a/tests/test_middleware.py +++ b/tests/test_middleware.py @@ -40,7 +40,7 @@ class MOff: raise NotConfigured("foo") -class TestMiddlewareManager(MiddlewareManager): +class MyMiddlewareManager(MiddlewareManager): @classmethod def _get_mwlist_from_settings(cls, settings): return [M1, MOff, M3] @@ -54,7 +54,7 @@ class TestMiddlewareManager(MiddlewareManager): class MiddlewareManagerTest(unittest.TestCase): def test_init(self): m1, m2, m3 = M1(), M2(), M3() - mwman = TestMiddlewareManager(m1, m2, m3) + mwman = MyMiddlewareManager(m1, m2, m3) self.assertEqual( list(mwman.methods["open_spider"]), [m1.open_spider, m2.open_spider] ) @@ -64,7 +64,7 @@ class MiddlewareManagerTest(unittest.TestCase): self.assertEqual(list(mwman.methods["process"]), [m1.process, m3.process]) def test_methods(self): - mwman = TestMiddlewareManager(M1(), M2(), M3()) + mwman = MyMiddlewareManager(M1(), M2(), M3()) self.assertEqual( [x.__self__.__class__ for x in mwman.methods["open_spider"]], [M1, M2] ) @@ -82,6 +82,6 @@ class MiddlewareManagerTest(unittest.TestCase): def test_enabled_from_settings(self): crawler = get_crawler() - mwman = TestMiddlewareManager.from_crawler(crawler) + mwman = MyMiddlewareManager.from_crawler(crawler) classes = [x.__class__ for x in mwman.middlewares] self.assertEqual(classes, [M1, M3]) diff --git a/tests/test_pipelines.py b/tests/test_pipelines.py index 222b19e7f..0ae86235c 100644 --- a/tests/test_pipelines.py +++ b/tests/test_pipelines.py @@ -1,6 +1,6 @@ import asyncio -from pytest import mark +import pytest from twisted.internet import defer from twisted.internet.defer import Deferred from twisted.trial import unittest @@ -118,14 +118,14 @@ class PipelineTestCase(unittest.TestCase): yield crawler.crawl(mockserver=self.mockserver) self.assertEqual(len(self.items), 1) - @mark.only_asyncio() + @pytest.mark.only_asyncio @defer.inlineCallbacks def test_asyncdef_asyncio_pipeline(self): crawler = self._create_crawler(AsyncDefAsyncioPipeline) yield crawler.crawl(mockserver=self.mockserver) self.assertEqual(len(self.items), 1) - @mark.only_not_asyncio() + @pytest.mark.only_not_asyncio @defer.inlineCallbacks def test_asyncdef_not_asyncio_pipeline(self): crawler = self._create_crawler(AsyncDefNotAsyncioPipeline) diff --git a/tests/test_request_dict.py b/tests/test_request_dict.py index 854805cf7..85133038a 100644 --- a/tests/test_request_dict.py +++ b/tests/test_request_dict.py @@ -11,7 +11,7 @@ class CustomRequest(Request): class RequestSerializationTest(unittest.TestCase): def setUp(self): - self.spider = TestSpider() + self.spider = MethodsSpider() def test_basic(self): r = Request("http://www.example.com") @@ -96,18 +96,22 @@ class RequestSerializationTest(unittest.TestCase): def test_private_reference_callback_serialization(self): r = Request( "http://www.example.com", - callback=self.spider._TestSpider__parse_item_reference, - errback=self.spider._TestSpider__handle_error_reference, + callback=self.spider._MethodsSpider__parse_item_reference, + errback=self.spider._MethodsSpider__handle_error_reference, ) self._assert_serializes_ok(r, spider=self.spider) request_dict = r.to_dict(spider=self.spider) - self.assertEqual(request_dict["callback"], "_TestSpider__parse_item_reference") - self.assertEqual(request_dict["errback"], "_TestSpider__handle_error_reference") + self.assertEqual( + request_dict["callback"], "_MethodsSpider__parse_item_reference" + ) + self.assertEqual( + request_dict["errback"], "_MethodsSpider__handle_error_reference" + ) def test_private_callback_serialization(self): r = Request( "http://www.example.com", - callback=self.spider._TestSpider__parse_item_private, + callback=self.spider._MethodsSpider__parse_item_private, errback=self.spider.handle_error, ) self._assert_serializes_ok(r, spider=self.spider) @@ -115,7 +119,7 @@ class RequestSerializationTest(unittest.TestCase): def test_mixin_private_callback_serialization(self): r = Request( "http://www.example.com", - callback=self.spider._TestSpiderMixin__mixin_callback, + callback=self.spider._SpiderMixin__mixin_callback, errback=self.spider.handle_error, ) self._assert_serializes_ok(r, spider=self.spider) @@ -152,18 +156,18 @@ class RequestSerializationTest(unittest.TestCase): def test_callback_not_available(self): """Callback method is not available in the spider passed to from_dict""" - spider = TestSpiderDelegation() + spider = SpiderDelegation() r = Request("http://www.example.com", callback=spider.delegated_callback) d = r.to_dict(spider=spider) self.assertRaises(ValueError, request_from_dict, d, spider=Spider("foo")) -class TestSpiderMixin: +class SpiderMixin: def __mixin_callback(self, response): # pylint: disable=unused-private-member pass -class TestSpiderDelegation: +class SpiderDelegation: def delegated_callback(self, response): pass @@ -184,7 +188,7 @@ def private_handle_error(failure): pass -class TestSpider(Spider, TestSpiderMixin): +class MethodsSpider(Spider, SpiderMixin): name = "test" parse_item_reference = parse_item handle_error_reference = handle_error @@ -193,7 +197,7 @@ class TestSpider(Spider, TestSpiderMixin): def __init__(self, **kwargs): super().__init__(**kwargs) - self.delegated_callback = TestSpiderDelegation().delegated_callback + self.delegated_callback = SpiderDelegation().delegated_callback def parse_item(self, response): pass diff --git a/tests/test_scheduler_base.py b/tests/test_scheduler_base.py index b48a65e67..7c72805e2 100644 --- a/tests/test_scheduler_base.py +++ b/tests/test_scheduler_base.py @@ -51,8 +51,8 @@ class SimpleScheduler(MinimalScheduler): return len(self.requests) -class TestSpider(Spider): - name = "test" +class PathsSpider(Spider): + name = "paths" def __init__(self, mockserver, *args, **kwargs): super().__init__(*args, **kwargs) @@ -155,7 +155,7 @@ class MinimalSchedulerCrawlTest(TwistedTestCase): "SCHEDULER": self.scheduler_cls, } with LogCapture() as log: - crawler = get_crawler(TestSpider, settings) + crawler = get_crawler(PathsSpider, settings) yield crawler.crawl(mockserver) for path in PATHS: self.assertIn(f"{{'path': '{path}'}}", str(log)) diff --git a/tests/test_signals.py b/tests/test_signals.py index 1e693c094..a508eb41a 100644 --- a/tests/test_signals.py +++ b/tests/test_signals.py @@ -1,4 +1,4 @@ -from pytest import mark +import pytest from twisted.internet import defer from twisted.trial import unittest @@ -37,7 +37,7 @@ class AsyncSignalTestCase(unittest.TestCase): item = await get_from_asyncio_queue(item) self.items.append(item) - @mark.only_asyncio() + @pytest.mark.only_asyncio @defer.inlineCallbacks def test_simple_pipeline(self): crawler = get_crawler(ItemSpider) diff --git a/tests/test_squeues.py b/tests/test_squeues.py index 4ce7cc9a4..a2e7ae65d 100644 --- a/tests/test_squeues.py +++ b/tests/test_squeues.py @@ -15,7 +15,7 @@ from scrapy.squeues import ( ) -class TestItem(Item): +class MyItem(Item): name = Field() @@ -23,8 +23,8 @@ def _test_procesor(x): return x + x -class TestLoader(ItemLoader): - default_item_class = TestItem +class MyLoader(ItemLoader): + default_item_class = MyItem name_out = staticmethod(_test_procesor) @@ -80,19 +80,19 @@ class PickleFifoDiskQueueTest(t.FifoDiskQueueTest, FifoDiskQueueTestMixin): def test_serialize_item(self): q = self.queue() - i = TestItem(name="foo") + i = MyItem(name="foo") q.push(i) i2 = q.pop() - assert isinstance(i2, TestItem) + assert isinstance(i2, MyItem) self.assertEqual(i, i2) def test_serialize_loader(self): q = self.queue() - loader = TestLoader() + loader = MyLoader() q.push(loader) loader2 = q.pop() - assert isinstance(loader2, TestLoader) - assert loader2.default_item_class is TestItem + assert isinstance(loader2, MyLoader) + assert loader2.default_item_class is MyItem self.assertEqual(loader2.name_out("x"), "xx") def test_serialize_request_recursive(self): @@ -161,19 +161,19 @@ class PickleLifoDiskQueueTest(t.LifoDiskQueueTest, LifoDiskQueueTestMixin): def test_serialize_item(self): q = self.queue() - i = TestItem(name="foo") + i = MyItem(name="foo") q.push(i) i2 = q.pop() - assert isinstance(i2, TestItem) + assert isinstance(i2, MyItem) self.assertEqual(i, i2) def test_serialize_loader(self): q = self.queue() - loader = TestLoader() + loader = MyLoader() q.push(loader) loader2 = q.pop() - assert isinstance(loader2, TestLoader) - assert loader2.default_item_class is TestItem + assert isinstance(loader2, MyLoader) + assert loader2.default_item_class is MyItem self.assertEqual(loader2.name_out("x"), "xx") def test_serialize_request_recursive(self): diff --git a/tests/test_utils_asyncio.py b/tests/test_utils_asyncio.py index e00f69573..ecac0df9c 100644 --- a/tests/test_utils_asyncio.py +++ b/tests/test_utils_asyncio.py @@ -1,7 +1,7 @@ import asyncio import warnings -from pytest import mark +import pytest from twisted.trial.unittest import TestCase from scrapy.utils.defer import deferred_f_from_coro_f @@ -12,7 +12,7 @@ from scrapy.utils.reactor import ( ) -@mark.usefixtures("reactor_pytest") +@pytest.mark.usefixtures("reactor_pytest") class AsyncioTest(TestCase): def test_is_asyncio_reactor_installed(self): # the result should depend only on the pytest --reactor argument @@ -30,7 +30,7 @@ class AsyncioTest(TestCase): assert original_reactor == reactor - @mark.only_asyncio() + @pytest.mark.only_asyncio @deferred_f_from_coro_f async def test_set_asyncio_event_loop(self): install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") diff --git a/tests/test_utils_datatypes.py b/tests/test_utils_datatypes.py index e80381671..fadbc6daa 100644 --- a/tests/test_utils_datatypes.py +++ b/tests/test_utils_datatypes.py @@ -16,8 +16,6 @@ from scrapy.utils.datatypes import ( ) from scrapy.utils.python import garbage_collect -__doctests__ = ["scrapy.utils.datatypes"] - class CaseInsensitiveDictMixin: def test_init_dict(self): diff --git a/tests/test_utils_defer.py b/tests/test_utils_defer.py index e4ab97e5d..3a1030fcf 100644 --- a/tests/test_utils_defer.py +++ b/tests/test_utils_defer.py @@ -1,6 +1,6 @@ import random -from pytest import mark +import pytest from twisted.internet import defer, reactor from twisted.python.failure import Failure from twisted.trial import unittest @@ -150,7 +150,7 @@ class AsyncDefTestsuiteTest(unittest.TestCase): async def test_deferred_f_from_coro_f_generator(self): yield - @mark.xfail(reason="Checks that the test is actually executed", strict=True) + @pytest.mark.xfail(reason="Checks that the test is actually executed", strict=True) @deferred_f_from_coro_f async def test_deferred_f_from_coro_f_xfail(self): raise RuntimeError("This is expected to be raised") diff --git a/tests/test_utils_log.py b/tests/test_utils_log.py index 76820eabf..06e88bd10 100644 --- a/tests/test_utils_log.py +++ b/tests/test_utils_log.py @@ -119,7 +119,7 @@ class StreamLoggerTest(unittest.TestCase): @pytest.mark.parametrize( ("base_extra", "log_extra", "expected_extra"), - ( + [ ( {"spider": "test"}, {"extra": {"log_extra": "info"}}, @@ -135,7 +135,7 @@ class StreamLoggerTest(unittest.TestCase): {"extra": {"spider": "test2"}}, {"extra": {"spider": "test"}}, ), - ), + ], ) def test_spider_logger_adapter_process( base_extra: Mapping[str, Any], log_extra: MutableMapping, expected_extra: dict diff --git a/tests/test_utils_misc/__init__.py b/tests/test_utils_misc/__init__.py index 478c1e73a..e25bdfe3f 100644 --- a/tests/test_utils_misc/__init__.py +++ b/tests/test_utils_misc/__init__.py @@ -17,8 +17,6 @@ from scrapy.utils.misc import ( walk_modules, ) -__doctests__ = ["scrapy.utils.misc"] - class UtilsMiscTestCase(unittest.TestCase): def test_load_object_class(self): diff --git a/tests/test_utils_python.py b/tests/test_utils_python.py index 83004cec4..a693d6b53 100644 --- a/tests/test_utils_python.py +++ b/tests/test_utils_python.py @@ -20,8 +20,6 @@ from scrapy.utils.python import ( without_none_values, ) -__doctests__ = ["scrapy.utils.python"] - class MutableChainTest(unittest.TestCase): def test_mutablechain(self): diff --git a/tests/test_utils_response.py b/tests/test_utils_response.py index db6866571..c6ba8cbbb 100644 --- a/tests/test_utils_response.py +++ b/tests/test_utils_response.py @@ -15,8 +15,6 @@ from scrapy.utils.response import ( response_status_message, ) -__doctests__ = ["scrapy.utils.response"] - class ResponseUtilsTest(unittest.TestCase): dummy_response = TextResponse(url="http://example.org/", body=b"dummy_response") @@ -207,8 +205,8 @@ class ResponseUtilsTest(unittest.TestCase): @pytest.mark.parametrize( - "input_body,output_body", - ( + ("input_body", "output_body"), + [ ( b"a<!--", b"a", @@ -237,7 +235,7 @@ class ResponseUtilsTest(unittest.TestCase): b"a<!--b--><!--c-->d", b"ad", ), - ), + ], ) def test_remove_html_comments(input_body, output_body): assert _remove_html_comments(input_body) == output_body, ( diff --git a/tests/test_utils_signal.py b/tests/test_utils_signal.py index 60232f10b..858813e83 100644 --- a/tests/test_utils_signal.py +++ b/tests/test_utils_signal.py @@ -1,7 +1,7 @@ import asyncio +import pytest from pydispatch import dispatcher -from pytest import mark from testfixtures import LogCapture from twisted.internet import defer, reactor from twisted.python.failure import Failure @@ -67,7 +67,7 @@ class SendCatchLogDeferredTest2(SendCatchLogDeferredTest): return d -@mark.usefixtures("reactor_pytest") +@pytest.mark.usefixtures("reactor_pytest") class SendCatchLogDeferredAsyncDefTest(SendCatchLogDeferredTest): async def ok_handler(self, arg, handlers_called): handlers_called.add(self.ok_handler) @@ -76,7 +76,7 @@ class SendCatchLogDeferredAsyncDefTest(SendCatchLogDeferredTest): return "OK" -@mark.only_asyncio() +@pytest.mark.only_asyncio class SendCatchLogDeferredAsyncioTest(SendCatchLogDeferredTest): async def ok_handler(self, arg, handlers_called): handlers_called.add(self.ok_handler) diff --git a/tests/test_utils_template.py b/tests/test_utils_template.py index 5fbbd74da..fc6c33200 100644 --- a/tests/test_utils_template.py +++ b/tests/test_utils_template.py @@ -5,8 +5,6 @@ from tempfile import mkdtemp from scrapy.utils.template import render_templatefile -__doctests__ = ["scrapy.utils.template"] - class UtilsRenderTemplateFileTestCase(unittest.TestCase): def setUp(self): diff --git a/tests/test_utils_url.py b/tests/test_utils_url.py index 4b9a98d79..e99ef40c4 100644 --- a/tests/test_utils_url.py +++ b/tests/test_utils_url.py @@ -17,8 +17,6 @@ from scrapy.utils.url import ( # type: ignore[attr-defined] url_is_from_spider, ) -__doctests__ = ["scrapy.utils.url"] - class UrlUtilsTest(unittest.TestCase): def test_url_is_from_any_domain(self): From 8c34e6d9a4994abda0059f76dbbdb64c2e8a9751 Mon Sep 17 00:00:00 2001 From: Matt Winter <MattWinter@gmail.com> Date: Wed, 19 Feb 2025 04:17:37 -0500 Subject: [PATCH 401/786] curl: add support for parsing -b,--cookie (#6684) --- scrapy/utils/curl.py | 9 +++++++++ tests/test_utils_curl.py | 4 ++-- 2 files changed, 11 insertions(+), 2 deletions(-) diff --git a/scrapy/utils/curl.py b/scrapy/utils/curl.py index a563dc79a..a40ee8997 100644 --- a/scrapy/utils/curl.py +++ b/scrapy/utils/curl.py @@ -36,6 +36,7 @@ curl_parser = CurlParser() curl_parser.add_argument("url") curl_parser.add_argument("-H", "--header", dest="headers", action="append") curl_parser.add_argument("-X", "--request", dest="method") +curl_parser.add_argument("-b", "--cookie", dest="cookies", action="append") curl_parser.add_argument("-d", "--data", "--data-raw", dest="data", action=DataAction) curl_parser.add_argument("-u", "--user", dest="auth") @@ -68,6 +69,14 @@ def _parse_headers_and_cookies( else: headers.append((name, val)) + for cookie_param in parsed_args.cookies or (): + # curl can treat this parameter as either "key=value; key2=value2" pairs, or a filename. + # Scrapy will only support key-value pairs. + if "=" not in cookie_param: + continue + for name, morsel in SimpleCookie(cookie_param).items(): + cookies[name] = morsel.value + if parsed_args.auth: user, password = parsed_args.auth.split(":", 1) headers.append(("Authorization", basic_auth_header(user, password))) diff --git a/tests/test_utils_curl.py b/tests/test_utils_curl.py index 1816db29b..5d99161bf 100644 --- a/tests/test_utils_curl.py +++ b/tests/test_utils_curl.py @@ -49,8 +49,8 @@ class CurlToRequestKwargsTest(unittest.TestCase): "ml,application/xhtml+xml,application/xml;q=0.9,image/webp,image/a" "png,*/*;q=0.8' -H 'Referer: http://httpbin.org/' -H 'Cookie: _gau" "ges_unique_year=1; _gauges_unique=1; _gauges_unique_month=1; _gau" - "ges_unique_hour=1; _gauges_unique_day=1' -H 'Connection: keep-ali" - "ve' --compressed" + "ges_unique_hour=1' -H 'Connection: keep-alive' --compressed -b '_" + "gauges_unique_day=1'" ) expected_result = { "method": "GET", From c200458f24a2e55dece5df5c22f39a0d1b4ff341 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 25 Feb 2025 04:16:23 +0500 Subject: [PATCH 402/786] Add more docs for updating sync spider middlewares. (#6688) --- docs/topics/coroutines.rst | 46 +++++++++++++++++++++++++++++++++----- scrapy/core/spidermw.py | 4 ++-- 2 files changed, 43 insertions(+), 7 deletions(-) diff --git a/docs/topics/coroutines.rst b/docs/topics/coroutines.rst index a65bab3ca..57aa3a62d 100644 --- a/docs/topics/coroutines.rst +++ b/docs/topics/coroutines.rst @@ -238,16 +238,52 @@ active spider middlewares must either have their ``process_spider_output`` method defined as an asynchronous generator or :ref:`define a process_spider_output_async method <universal-spider-middleware>`. -.. note:: When using third-party spider middlewares that only define a - synchronous ``process_spider_output`` method, consider - :ref:`making them universal <universal-spider-middleware>` through - :ref:`subclassing <tut-inheritance>`. +.. _sync-async-spider-middleware-users: +For middleware users +-------------------- + +If you have asynchronous callbacks or use asynchronous-only spider middlewares +you should make sure the asynchronous-to-synchronous conversions +:ref:`described above <sync-async-spider-middleware>` don't happen. To do this, +make sure all spider middlewares you use support asynchronous spider output. +Even if you don't have asynchronous callbacks and don't use asynchronous-only +spider middlewares in your project, it's still a good idea to make sure all +middlewares you use support asynchronous spider output, so that it will be easy +to start using asynchronous callbacks in the future. Because of this, Scrapy +logs a warning when it detects a synchronous-only spider middleware. + +If you want to update middlewares you wrote, see the :ref:`following section +<sync-async-spider-middleware-authors>`. If you have 3rd-party middlewares that +aren't yet updated by their authors, you can :ref:`subclass <tut-inheritance>` +them to make them :ref:`universal <universal-spider-middleware>` and use the +subclasses in your projects. + +.. _sync-async-spider-middleware-authors: + +For middleware authors +---------------------- + +If you have a spider middleware that defines a synchronous +``process_spider_output`` method, you should update it to support asynchronous +spider output for :ref:`better compatibility <sync-async-spider-middleware>`, +even if you don't yet use it with asynchronous callbacks, especially if you +publish this middleware for other people to use. You have two options for this: + +1. Make the middleware asynchronous, by making the ``process_spider_output`` + method an :term:`asynchronous generator`. +2. Make the middleware universal, as described in the :ref:`next section + <universal-spider-middleware>`. + +If your middleware won't be used in projects with synchronous-only middlewares, +e.g. because it's an internal middleware and you know that all other +middlewares in your projects are already updated, it's safe to choose the first +option. Otherwise, it's better to choose the second option. .. _universal-spider-middleware: Universal spider middlewares -============================ +---------------------------- .. versionadded:: 2.7 diff --git a/scrapy/core/spidermw.py b/scrapy/core/spidermw.py index 86d11c0e0..85a3b5895 100644 --- a/scrapy/core/spidermw.py +++ b/scrapy/core/spidermw.py @@ -227,7 +227,7 @@ class SpiderMiddlewareManager(MiddlewareManager): f"Async iterable passed to {global_object_name(method)} was" f" downgraded to a non-async one. This is deprecated and will" f" stop working in a future version of Scrapy. Please see" - f" https://docs.scrapy.org/en/latest/topics/coroutines.html#mixing-synchronous-and-asynchronous-spider-middlewares" + f" https://docs.scrapy.org/en/latest/topics/coroutines.html#for-middleware-users" f" for more information." ) assert isinstance(result, AsyncIterable) @@ -343,7 +343,7 @@ class SpiderMiddlewareManager(MiddlewareManager): f" asynchronous spider output, this is deprecated and will stop" f" working in a future version of Scrapy. The middleware should" f" be updated to support it. Please see" - f" https://docs.scrapy.org/en/latest/topics/coroutines.html#mixing-synchronous-and-asynchronous-spider-middlewares" + f" https://docs.scrapy.org/en/latest/topics/coroutines.html#for-middleware-users" f" for more information." ) return normal_method From 391af6afcca232aed82eda516b035dbbd39cdcb1 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 27 Feb 2025 22:37:01 +0500 Subject: [PATCH 403/786] Unknown encoding handling in HttpCompressionMiddleware, restore x-gzip support (#6618) * Unknown encoding handling in HttpCompressionMiddleware. * Implement the changes for unknown encoding handling. * Restore support for Content-Encoding: x-gzip. * Simplify the decoding logic. * Add tests for the unsupported encoding warning. * Add a test for the "no zstandard" warning. --- .../downloadermiddlewares/httpcompression.py | 32 +++++-- ...st_downloadermiddleware_httpcompression.py | 84 ++++++++++++++++++- 2 files changed, 108 insertions(+), 8 deletions(-) diff --git a/scrapy/downloadermiddlewares/httpcompression.py b/scrapy/downloadermiddlewares/httpcompression.py index a65757972..58891b952 100644 --- a/scrapy/downloadermiddlewares/httpcompression.py +++ b/scrapy/downloadermiddlewares/httpcompression.py @@ -111,6 +111,8 @@ class HttpCompressionMiddleware: f"({len(decoded_body)} B) is larger than the " f"download warning size ({warn_size} B)." ) + if content_encoding: + self._warn_unknown_encoding(response, content_encoding) response.headers["Content-Encoding"] = content_encoding if self.stats: self.stats.inc_value( @@ -143,9 +145,11 @@ class HttpCompressionMiddleware: body = self._decode(body, encoding, max_size) return body, to_keep + @staticmethod def _split_encodings( - self, content_encoding: list[bytes] + content_encoding: list[bytes], ) -> tuple[list[bytes], list[bytes]]: + supported_encodings = {*ACCEPTED_ENCODINGS, b"x-gzip"} to_keep: list[bytes] = [ encoding.strip().lower() for encoding in chain.from_iterable( @@ -155,19 +159,35 @@ class HttpCompressionMiddleware: to_decode: list[bytes] = [] while to_keep: encoding = to_keep.pop() - if encoding not in ACCEPTED_ENCODINGS: + if encoding not in supported_encodings: to_keep.append(encoding) return to_decode, to_keep to_decode.append(encoding) return to_decode, to_keep - def _decode(self, body: bytes, encoding: bytes, max_size: int) -> bytes: + @staticmethod + def _decode(body: bytes, encoding: bytes, max_size: int) -> bytes: if encoding in {b"gzip", b"x-gzip"}: return gunzip(body, max_size=max_size) if encoding == b"deflate": return _inflate(body, max_size=max_size) - if encoding == b"br" and b"br" in ACCEPTED_ENCODINGS: + if encoding == b"br": return _unbrotli(body, max_size=max_size) - if encoding == b"zstd" and b"zstd" in ACCEPTED_ENCODINGS: + if encoding == b"zstd": return _unzstd(body, max_size=max_size) - return body + # shouldn't be reached + return body # pragma: no cover + + def _warn_unknown_encoding( + self, response: Response, encodings: list[bytes] + ) -> None: + encodings_str = b",".join(encodings).decode() + msg = ( + f"{self.__class__.__name__} cannot decode the response for {response.url} " + f"from unsupported encoding(s) '{encodings_str}'." + ) + if b"br" in encodings: + msg += " You need to install brotli or brotlicffi to decode 'br'." + if b"zstd" in encodings: + msg += " You need to install zstandard to decode 'zstd'." + logger.warning(msg) diff --git a/tests/test_downloadermiddleware_httpcompression.py b/tests/test_downloadermiddleware_httpcompression.py index 78d0dd99d..a1c5883ec 100644 --- a/tests/test_downloadermiddleware_httpcompression.py +++ b/tests/test_downloadermiddleware_httpcompression.py @@ -23,7 +23,7 @@ SAMPLEDIR = Path(tests_datadir, "compressed") FORMAT = { "gzip": ("html-gzip.bin", "gzip"), - "x-gzip": ("html-gzip.bin", "gzip"), + "x-gzip": ("html-gzip.bin", "x-gzip"), "rawdeflate": ("html-rawdeflate.bin", "deflate"), "zlibdeflate": ("html-zlibdeflate.bin", "deflate"), "gzip-deflate": ("html-gzip-deflate.bin", "gzip, deflate"), @@ -145,6 +145,41 @@ class HttpCompressionTest(TestCase): self.assertStatsEqual("httpcompression/response_count", 1) self.assertStatsEqual("httpcompression/response_bytes", 74837) + def test_process_response_br_unsupported(self): + try: + try: + import brotli # noqa: F401 + + raise SkipTest("Requires not having brotli support") + except ImportError: + import brotlicffi # noqa: F401 + + raise SkipTest("Requires not having brotli support") + except ImportError: + pass + response = self._getresponse("br") + request = response.request + self.assertEqual(response.headers["Content-Encoding"], b"br") + with LogCapture( + "scrapy.downloadermiddlewares.httpcompression", + propagate=False, + level=WARNING, + ) as log: + newresponse = self.mw.process_response(request, response, self.spider) + log.check( + ( + "scrapy.downloadermiddlewares.httpcompression", + "WARNING", + ( + "HttpCompressionMiddleware cannot decode the response for" + " http://scrapytest.org/ from unsupported encoding(s) 'br'." + " You need to install brotli or brotlicffi to decode 'br'." + ), + ), + ) + assert newresponse is not response + self.assertEqual(newresponse.headers.getlist("Content-Encoding"), [b"br"]) + def test_process_response_zstd(self): try: import zstandard # noqa: F401 @@ -166,6 +201,36 @@ class HttpCompressionTest(TestCase): assert newresponse.body.startswith(b"<!DOCTYPE") assert "Content-Encoding" not in newresponse.headers + def test_process_response_zstd_unsupported(self): + try: + import zstandard # noqa: F401 + + raise SkipTest("Requires not having zstandard support") + except ImportError: + pass + response = self._getresponse("zstd-static-content-size") + request = response.request + self.assertEqual(response.headers["Content-Encoding"], b"zstd") + with LogCapture( + "scrapy.downloadermiddlewares.httpcompression", + propagate=False, + level=WARNING, + ) as log: + newresponse = self.mw.process_response(request, response, self.spider) + log.check( + ( + "scrapy.downloadermiddlewares.httpcompression", + "WARNING", + ( + "HttpCompressionMiddleware cannot decode the response for" + " http://scrapytest.org/ from unsupported encoding(s) 'zstd'." + " You need to install zstandard to decode 'zstd'." + ), + ), + ) + assert newresponse is not response + self.assertEqual(newresponse.headers.getlist("Content-Encoding"), [b"zstd"]) + def test_process_response_rawdeflate(self): response = self._getresponse("rawdeflate") request = response.request @@ -221,7 +286,22 @@ class HttpCompressionTest(TestCase): response = self._getresponse("gzip-deflate") response.headers["Content-Encoding"] = [b"gzip, foo, deflate"] request = response.request - newresponse = self.mw.process_response(request, response, self.spider) + with LogCapture( + "scrapy.downloadermiddlewares.httpcompression", + propagate=False, + level=WARNING, + ) as log: + newresponse = self.mw.process_response(request, response, self.spider) + log.check( + ( + "scrapy.downloadermiddlewares.httpcompression", + "WARNING", + ( + "HttpCompressionMiddleware cannot decode the response for" + " http://scrapytest.org/ from unsupported encoding(s) 'gzip,foo'." + ), + ), + ) assert newresponse is not response self.assertEqual( newresponse.headers.getlist("Content-Encoding"), [b"gzip", b"foo"] From 8d92c28a16c78a1ca7531679488fbd979f308661 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 27 Feb 2025 23:13:04 +0500 Subject: [PATCH 404/786] Switch to pytest.raises(). (#6680) * Switch to pytest.raises(). * Add matches= to broad pytest.raises(). * Adjust the test_nonserializable_object() regex for Python <= 3.11. * Adjust the test_nonserializable_object() regex for PyPy. * Adjust other test exception regexes for PyPy. * Cleanup. --- pyproject.toml | 2 - scrapy/pqueues.py | 2 +- tests/test_crawler.py | 33 ++-- tests/test_downloader_handlers_http2.py | 2 +- tests/test_downloadermiddleware.py | 4 +- tests/test_downloadermiddleware_cookies.py | 9 +- tests/test_downloadermiddleware_httpauth.py | 5 +- tests/test_downloadermiddleware_httpcache.py | 7 +- ...st_downloadermiddleware_httpcompression.py | 37 ++--- tests/test_downloadermiddleware_redirect.py | 10 +- tests/test_downloadermiddleware_retry.py | 3 +- tests/test_downloadermiddleware_robotstxt.py | 4 +- tests/test_exporters.py | 14 +- tests/test_feedexport.py | 12 +- tests/test_http2_client_protocol.py | 5 +- tests/test_http_headers.py | 25 ++- tests/test_http_request.py | 149 ++++++++---------- tests/test_http_response.py | 113 +++++++------ tests/test_item.py | 29 ++-- tests/test_link.py | 4 +- tests/test_loader.py | 22 ++- tests/test_loader_deprecated.py | 53 +++++-- tests/test_logstats.py | 5 +- tests/test_pipeline_images.py | 7 +- tests/test_pqueues.py | 9 +- tests/test_request_dict.py | 18 ++- tests/test_scheduler.py | 10 +- tests/test_scheduler_base.py | 22 +-- tests/test_selector.py | 2 +- tests/test_settings/__init__.py | 37 +++-- tests/test_spider.py | 12 +- tests/test_spiderloader/__init__.py | 12 +- tests/test_spidermiddleware.py | 16 +- tests/test_spidermiddleware_httperror.py | 25 +-- tests/test_spidermiddleware_referer.py | 6 +- tests/test_spiderstate.py | 4 +- tests/test_squeues.py | 12 +- tests/test_squeues_request.py | 13 +- tests/test_utils_conf.py | 28 ++-- tests/test_utils_curl.py | 24 ++- tests/test_utils_datatypes.py | 13 +- tests/test_utils_deprecate.py | 5 +- tests/test_utils_gz.py | 7 +- tests/test_utils_iterators.py | 16 +- tests/test_utils_misc/__init__.py | 20 ++- tests/test_utils_python.py | 6 +- tests/test_utils_response.py | 3 +- 47 files changed, 482 insertions(+), 394 deletions(-) diff --git a/pyproject.toml b/pyproject.toml index ad62ea212..82d8056f6 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -378,8 +378,6 @@ ignore = [ # Temporarily silenced PT rules # Use a regular `assert` instead of unittest-style `assertEqual` "PT009", - # Use `pytest.raises` instead of unittest-style `assertRaises` - "PT027", ] [tool.ruff.lint.per-file-ignores] diff --git a/scrapy/pqueues.py b/scrapy/pqueues.py index a04e0107b..324a9b955 100644 --- a/scrapy/pqueues.py +++ b/scrapy/pqueues.py @@ -214,7 +214,7 @@ class DownloaderAwarePriorityQueue: "DownloaderAwarePriorityQueue accepts " "``slot_startprios`` as a dict; " f"{slot_startprios.__class__!r} instance " - "is passed. Most likely, it means the state is" + "is passed. Most likely, it means the state is " "created by an incompatible priority queue. " "Only a crawl started with the same priority " "queue class can be resumed." diff --git a/tests/test_crawler.py b/tests/test_crawler.py index 425188d32..df5ebfa7b 100644 --- a/tests/test_crawler.py +++ b/tests/test_crawler.py @@ -185,9 +185,8 @@ class CrawlerTestCase(BaseCrawlerTest): def test_get_downloader_middleware_not_crawling(self): crawler = get_raw_crawler(settings_dict=BASE_SETTINGS) - self.assertRaises( - RuntimeError, crawler.get_downloader_middleware, DefaultSpider - ) + with pytest.raises(RuntimeError): + crawler.get_downloader_middleware(DefaultSpider) @inlineCallbacks def test_get_downloader_middleware_no_engine(self): @@ -266,7 +265,8 @@ class CrawlerTestCase(BaseCrawlerTest): def test_get_extension_not_crawling(self): crawler = get_raw_crawler(settings_dict=BASE_SETTINGS) - self.assertRaises(RuntimeError, crawler.get_extension, DefaultSpider) + with pytest.raises(RuntimeError): + crawler.get_extension(DefaultSpider) @inlineCallbacks def test_get_extension_no_engine(self): @@ -345,7 +345,8 @@ class CrawlerTestCase(BaseCrawlerTest): def test_get_item_pipeline_not_crawling(self): crawler = get_raw_crawler(settings_dict=BASE_SETTINGS) - self.assertRaises(RuntimeError, crawler.get_item_pipeline, DefaultSpider) + with pytest.raises(RuntimeError): + crawler.get_item_pipeline(DefaultSpider) @inlineCallbacks def test_get_item_pipeline_no_engine(self): @@ -424,7 +425,8 @@ class CrawlerTestCase(BaseCrawlerTest): def test_get_spider_middleware_not_crawling(self): crawler = get_raw_crawler(settings_dict=BASE_SETTINGS) - self.assertRaises(RuntimeError, crawler.get_spider_middleware, DefaultSpider) + with pytest.raises(RuntimeError): + crawler.get_spider_middleware(DefaultSpider) @inlineCallbacks def test_get_spider_middleware_no_engine(self): @@ -537,7 +539,8 @@ class CrawlerRunnerTestCase(BaseCrawlerTest): "SPIDER_LOADER_CLASS": SpiderLoaderWithWrongInterface, } ) - self.assertRaises(MultipleInvalid, CrawlerRunner, settings) + with pytest.raises(MultipleInvalid): + CrawlerRunner(settings) def test_crawler_runner_accepts_dict(self): runner = CrawlerRunner({"foo": "bar"}) @@ -630,13 +633,15 @@ class CrawlerRunnerHasSpider(unittest.TestCase): } ) else: - msg = r"The installed reactor \(.*?\) does not match the requested one \(.*?\)" - with self.assertRaisesRegex(Exception, msg): - runner = CrawlerRunner( - settings={ - "TWISTED_REACTOR": "twisted.internet.asyncioreactor.AsyncioSelectorReactor", - } - ) + runner = CrawlerRunner( + settings={ + "TWISTED_REACTOR": "twisted.internet.asyncioreactor.AsyncioSelectorReactor", + } + ) + with pytest.raises( + Exception, + match=r"The installed reactor \(.*?\) does not match the requested one \(.*?\)", + ): yield runner.crawl(NoRequestsSpider) diff --git a/tests/test_downloader_handlers_http2.py b/tests/test_downloader_handlers_http2.py index 174bf841e..17d5c2d0a 100644 --- a/tests/test_downloader_handlers_http2.py +++ b/tests/test_downloader_handlers_http2.py @@ -248,5 +248,5 @@ class Https2ProxyTestCase(BaseTestClasses.Http11ProxyTestCase): @defer.inlineCallbacks def test_download_with_proxy_https_timeout(self): - with self.assertRaises(NotImplementedError): + with pytest.raises(NotImplementedError): yield super().test_download_with_proxy_https_timeout() diff --git a/tests/test_downloadermiddleware.py b/tests/test_downloadermiddleware.py index 42051042c..49498375c 100644 --- a/tests/test_downloadermiddleware.py +++ b/tests/test_downloadermiddleware.py @@ -1,4 +1,5 @@ import asyncio +from gzip import BadGzipFile from unittest import mock import pytest @@ -106,7 +107,8 @@ class DefaultsTest(ManagerTestCase): "Location": "http://example.com/login", }, ) - self.assertRaises(OSError, self._download, request=req, response=resp) + with pytest.raises(BadGzipFile): + self._download(request=req, response=resp) class ResponseFromProcessRequestTest(ManagerTestCase): diff --git a/tests/test_downloadermiddleware_cookies.py b/tests/test_downloadermiddleware_cookies.py index 772769690..694a669d4 100644 --- a/tests/test_downloadermiddleware_cookies.py +++ b/tests/test_downloadermiddleware_cookies.py @@ -83,11 +83,10 @@ class CookiesMiddlewareTest(TestCase): self.assertEqual(req2.headers.get("Cookie"), b"C1=value1") def test_setting_false_cookies_enabled(self): - self.assertRaises( - NotConfigured, - CookiesMiddleware.from_crawler, - get_crawler(settings_dict={"COOKIES_ENABLED": False}), - ) + with pytest.raises(NotConfigured): + CookiesMiddleware.from_crawler( + get_crawler(settings_dict={"COOKIES_ENABLED": False}) + ) def test_setting_default_cookies_enabled(self): self.assertIsInstance( diff --git a/tests/test_downloadermiddleware_httpauth.py b/tests/test_downloadermiddleware_httpauth.py index 581fc1974..0f1489344 100644 --- a/tests/test_downloadermiddleware_httpauth.py +++ b/tests/test_downloadermiddleware_httpauth.py @@ -1,5 +1,6 @@ import unittest +import pytest from w3lib.http import basic_auth_header from scrapy.downloadermiddlewares.httpauth import HttpAuthMiddleware @@ -29,8 +30,8 @@ class HttpAuthMiddlewareLegacyTest(unittest.TestCase): self.spider = LegacySpider("foo") def test_auth(self): - with self.assertRaises(AttributeError): - mw = HttpAuthMiddleware() + mw = HttpAuthMiddleware() + with pytest.raises(AttributeError): mw.spider_opened(self.spider) diff --git a/tests/test_downloadermiddleware_httpcache.py b/tests/test_downloadermiddleware_httpcache.py index 74db93f8a..de3a9689b 100644 --- a/tests/test_downloadermiddleware_httpcache.py +++ b/tests/test_downloadermiddleware_httpcache.py @@ -5,6 +5,8 @@ import time import unittest from contextlib import contextmanager +import pytest + from scrapy.downloadermiddlewares.httpcache import HttpCacheMiddleware from scrapy.exceptions import IgnoreRequest from scrapy.http import HtmlResponse, Request, Response @@ -192,9 +194,8 @@ class DummyPolicyTest(_BaseTest): def test_middleware_ignore_missing(self): with self._middleware(HTTPCACHE_IGNORE_MISSING=True) as mw: - self.assertRaises( - IgnoreRequest, mw.process_request, self.request, self.spider - ) + with pytest.raises(IgnoreRequest): + mw.process_request(self.request, self.spider) mw.process_response(self.request, self.response, self.spider) response = mw.process_request(self.request, self.spider) assert isinstance(response, HtmlResponse) diff --git a/tests/test_downloadermiddleware_httpcompression.py b/tests/test_downloadermiddleware_httpcompression.py index a1c5883ec..b3e3b98d7 100644 --- a/tests/test_downloadermiddleware_httpcompression.py +++ b/tests/test_downloadermiddleware_httpcompression.py @@ -4,6 +4,7 @@ from logging import WARNING from pathlib import Path from unittest import SkipTest, TestCase +import pytest from testfixtures import LogCapture from w3lib.encoding import resolve_encoding @@ -87,11 +88,10 @@ class HttpCompressionTest(TestCase): ) def test_setting_false_compression_enabled(self): - self.assertRaises( - NotConfigured, - HttpCompressionMiddleware.from_crawler, - get_crawler(settings_dict={"COMPRESSION_ENABLED": False}), - ) + with pytest.raises(NotConfigured): + HttpCompressionMiddleware.from_crawler( + get_crawler(settings_dict={"COMPRESSION_ENABLED": False}) + ) def test_setting_default_compression_enabled(self): self.assertIsInstance( @@ -520,13 +520,8 @@ class HttpCompressionTest(TestCase): mw.open_spider(spider) response = self._getresponse(f"bomb-{compression_id}") - self.assertRaises( - IgnoreRequest, - mw.process_response, - response.request, - response, - spider, - ) + with pytest.raises(IgnoreRequest): + mw.process_response(response.request, response, spider) def test_compression_bomb_setting_br(self): try: @@ -561,13 +556,8 @@ class HttpCompressionTest(TestCase): mw.open_spider(spider) response = self._getresponse(f"bomb-{compression_id}") - self.assertRaises( - IgnoreRequest, - mw.process_response, - response.request, - response, - spider, - ) + with pytest.raises(IgnoreRequest): + mw.process_response(response.request, response, spider) def test_compression_bomb_spider_attr_br(self): try: @@ -600,13 +590,8 @@ class HttpCompressionTest(TestCase): response = self._getresponse(f"bomb-{compression_id}") response.meta["download_maxsize"] = 10_000_000 - self.assertRaises( - IgnoreRequest, - mw.process_response, - response.request, - response, - spider, - ) + with pytest.raises(IgnoreRequest): + mw.process_response(response.request, response, spider) def test_compression_bomb_request_meta_br(self): try: diff --git a/tests/test_downloadermiddleware_redirect.py b/tests/test_downloadermiddleware_redirect.py index f950906e9..47abeee7a 100644 --- a/tests/test_downloadermiddleware_redirect.py +++ b/tests/test_downloadermiddleware_redirect.py @@ -72,9 +72,8 @@ class Base: assert isinstance(req, Request) assert "redirect_times" in req.meta self.assertEqual(req.meta["redirect_times"], 1) - self.assertRaises( - IgnoreRequest, self.mw.process_response, req, rsp, self.spider - ) + with pytest.raises(IgnoreRequest): + self.mw.process_response(req, rsp, self.spider) def test_ttl(self): self.mw.max_redirect_times = 100 @@ -83,9 +82,8 @@ class Base: req = self.mw.process_response(req, rsp, self.spider) assert isinstance(req, Request) - self.assertRaises( - IgnoreRequest, self.mw.process_response, req, rsp, self.spider - ) + with pytest.raises(IgnoreRequest): + self.mw.process_response(req, rsp, self.spider) def test_redirect_urls(self): req1 = Request("http://scrapytest.org/first") diff --git a/tests/test_downloadermiddleware_retry.py b/tests/test_downloadermiddleware_retry.py index 6b9b39413..36f48db69 100644 --- a/tests/test_downloadermiddleware_retry.py +++ b/tests/test_downloadermiddleware_retry.py @@ -1,6 +1,7 @@ import logging import unittest +import pytest from testfixtures import LogCapture from twisted.internet import defer from twisted.internet.error import ( @@ -407,7 +408,7 @@ class GetRetryRequestTest(unittest.TestCase): def test_no_spider(self): request = Request("https://example.com") - with self.assertRaises(TypeError): + with pytest.raises(TypeError): get_retry_request(request) # pylint: disable=missing-kwoa def test_max_retry_times_setting(self): diff --git a/tests/test_downloadermiddleware_robotstxt.py b/tests/test_downloadermiddleware_robotstxt.py index 535e07c1f..9b95400fd 100644 --- a/tests/test_downloadermiddleware_robotstxt.py +++ b/tests/test_downloadermiddleware_robotstxt.py @@ -1,5 +1,6 @@ from unittest import mock +import pytest from twisted.internet import error, reactor from twisted.internet.defer import Deferred, DeferredList, maybeDeferred from twisted.python import failure @@ -26,7 +27,8 @@ class RobotsTxtMiddlewareTest(unittest.TestCase): def test_robotstxt_settings(self): self.crawler.settings = Settings() self.crawler.settings.set("USER_AGENT", "CustomAgent") - self.assertRaises(NotConfigured, RobotsTxtMiddleware, self.crawler) + with pytest.raises(NotConfigured): + RobotsTxtMiddleware(self.crawler) def _get_successful_crawler(self): crawler = self.crawler diff --git a/tests/test_exporters.py b/tests/test_exporters.py index eb8d309b6..48728e078 100644 --- a/tests/test_exporters.py +++ b/tests/test_exporters.py @@ -10,6 +10,7 @@ from io import BytesIO from typing import Any import lxml.etree +import pytest from itemadapter import ItemAdapter from scrapy.exporters import ( @@ -147,7 +148,7 @@ class PythonItemExporterTest(BaseItemExporterTest): return PythonItemExporter(**kwargs) def test_invalid_option(self): - with self.assertRaisesRegex(TypeError, "Unexpected options: invalid_option"): + with pytest.raises(TypeError, match="Unexpected options: invalid_option"): PythonItemExporter(invalid_option="something") def test_nested_item(self): @@ -388,7 +389,7 @@ class CsvItemExporterTest(BaseItemExporterTest): ) def test_errors_default(self): - with self.assertRaises(UnicodeEncodeError): + with pytest.raises(UnicodeEncodeError): self.assertExportResult( item={"text": "W\u0275\u200brd"}, expected=None, @@ -549,7 +550,8 @@ class JsonLinesItemExporterTest(BaseItemExporterTest): self.ie = self._get_exporter(sort_keys=True) self.test_export_item() self._check_output() - self.assertRaises(TypeError, self._get_exporter, foo_unknown_keyword_bar=True) + with pytest.raises(TypeError): + self._get_exporter(foo_unknown_keyword_bar=True) def test_nonstring_types_item(self): item = self._get_nonstring_types_item() @@ -602,7 +604,8 @@ class JsonItemExporterTest(JsonLinesItemExporterTest): i3 = MyItem(name="Jesus", age="44") self.ie.start_exporting() self.ie.export_item(i1) - self.assertRaises(TypeError, self.ie.export_item, i2) + with pytest.raises(TypeError): + self.ie.export_item(i2) self.ie.export_item(i3) self.ie.finish_exporting() exported = json.loads(to_unicode(self.output.getvalue())) @@ -657,7 +660,8 @@ class JsonItemExporterToBytesTest(BaseItemExporterTest): i3 = MyItem(name="Jesus", age="44") self.ie.start_exporting() self.ie.export_item(i1) - self.assertRaises(UnicodeEncodeError, self.ie.export_item, i2) + with pytest.raises(UnicodeEncodeError): + self.ie.export_item(i2) self.ie.export_item(i3) self.ie.finish_exporting() exported = json.loads(to_unicode(self.output.getvalue(), encoding="latin")) diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py index 1620d2d41..b4c1b9631 100644 --- a/tests/test_feedexport.py +++ b/tests/test_feedexport.py @@ -233,7 +233,8 @@ class BlockingFeedStorageTest(unittest.TestCase): invalid_path = tests_path / "invalid_path" spider = self.get_test_spider({"FEED_TEMPDIR": str(invalid_path)}) - self.assertRaises(OSError, b.open, spider=spider) + with pytest.raises(OSError, match="Not a Directory:"): + b.open(spider=spider) @pytest.mark.requires_boto3 @@ -2437,7 +2438,8 @@ class BatchDeliveriesTest(FeedExportTestBase): "FEED_EXPORT_BATCH_ITEM_COUNT": 1, } crawler = get_crawler(settings_dict=settings) - self.assertRaises(NotConfigured, FeedExporter, crawler) + with pytest.raises(NotConfigured): + FeedExporter(crawler) @defer.inlineCallbacks def test_export_no_items_not_store_empty(self): @@ -2758,7 +2760,7 @@ class FeedExportInitTest(unittest.TestCase): }, } crawler = get_crawler(settings_dict=settings) - with self.assertRaises(NotConfigured): + with pytest.raises(NotConfigured): FeedExporter.from_crawler(crawler) def test_unsupported_format(self): @@ -2770,7 +2772,7 @@ class FeedExportInitTest(unittest.TestCase): }, } crawler = get_crawler(settings_dict=settings) - with self.assertRaises(NotConfigured): + with pytest.raises(NotConfigured): FeedExporter.from_crawler(crawler) def test_absolute_pathlib_as_uri(self): @@ -2863,7 +2865,7 @@ class URIParamsTest: with warnings.catch_warnings(): warnings.simplefilter("error", ScrapyDeprecationWarning) - with self.assertRaises(KeyError): + with pytest.raises(KeyError): feed_exporter.open_spider(spider) def test_params_as_is(self): diff --git a/tests/test_http2_client_protocol.py b/tests/test_http2_client_protocol.py index ddc772236..0881bbeca 100644 --- a/tests/test_http2_client_protocol.py +++ b/tests/test_http2_client_protocol.py @@ -12,6 +12,7 @@ from typing import TYPE_CHECKING from unittest import mock, skipIf from urllib.parse import urlencode +import pytest from twisted.internet import reactor from twisted.internet.defer import ( CancelledError, @@ -406,7 +407,7 @@ class Https2ClientProtocolTestCase(TestCase): "scrapy.core.http2.protocol.PROTOCOL_NAME", return_value=b"not-h2" ): request = Request(url=self.get_url("/status?n=200")) - with self.assertRaises(ResponseFailed): + with pytest.raises(ResponseFailed): yield self.make_request(request) def test_cancel_request(self): @@ -560,7 +561,7 @@ class Https2ClientProtocolTestCase(TestCase): return DeferredList(d_list, consumeErrors=True, fireOnOneErrback=True) def test_invalid_request_type(self): - with self.assertRaises(TypeError): + with pytest.raises(TypeError): self.make_request("https://InvalidDataTypePassed.com") def test_query_parameters(self): diff --git a/tests/test_http_headers.py b/tests/test_http_headers.py index 7db1eb8c5..0bbbcda46 100644 --- a/tests/test_http_headers.py +++ b/tests/test_http_headers.py @@ -1,6 +1,8 @@ import copy import unittest +import pytest + from scrapy.http import Headers @@ -13,7 +15,8 @@ class HeadersTest(unittest.TestCase): assert h["Content-Type"] assert h["Content-Length"] - self.assertRaises(KeyError, h.__getitem__, "Accept") + with pytest.raises(KeyError): + h["Accept"] self.assertEqual(h.get("Accept"), None) self.assertEqual(h.getlist("Accept"), []) @@ -152,15 +155,11 @@ class HeadersTest(unittest.TestCase): self.assertEqual(h1.getlist("hey"), [b"5"]) def test_invalid_value(self): - self.assertRaisesRegex( - TypeError, "Unsupported value type", Headers, {"foo": object()} - ) - self.assertRaisesRegex( - TypeError, "Unsupported value type", Headers().__setitem__, "foo", object() - ) - self.assertRaisesRegex( - TypeError, "Unsupported value type", Headers().setdefault, "foo", object() - ) - self.assertRaisesRegex( - TypeError, "Unsupported value type", Headers().setlist, "foo", [object()] - ) + with pytest.raises(TypeError, match="Unsupported value type"): + Headers({"foo": object()}) + with pytest.raises(TypeError, match="Unsupported value type"): + Headers()["foo"] = object() + with pytest.raises(TypeError, match="Unsupported value type"): + Headers().setdefault("foo", object()) + with pytest.raises(TypeError, match="Unsupported value type"): + Headers().setlist("foo", [object()]) diff --git a/tests/test_http_request.py b/tests/test_http_request.py index a8ab8240f..e5291157d 100644 --- a/tests/test_http_request.py +++ b/tests/test_http_request.py @@ -7,6 +7,8 @@ from typing import Any from unittest import mock from urllib.parse import parse_qs, unquote_to_bytes +import pytest + from scrapy.http import ( FormRequest, Headers, @@ -28,10 +30,12 @@ class RequestTest(unittest.TestCase): def test_init(self): # Request requires url in the __init__ method - self.assertRaises(Exception, self.request_class) + with pytest.raises(TypeError): + self.request_class() # url argument must be basestring - self.assertRaises(TypeError, self.request_class, 123) + with pytest.raises(TypeError): + self.request_class(123) r = self.request_class("http://www.example.com") r = self.request_class("http://www.example.com") @@ -64,9 +68,13 @@ class RequestTest(unittest.TestCase): self.request_class("data:,Hello%2C%20World!") def test_url_no_scheme(self): - self.assertRaises(ValueError, self.request_class, "foo") - self.assertRaises(ValueError, self.request_class, "/foo/") - self.assertRaises(ValueError, self.request_class, "/foo:bar") + msg = "Missing scheme in request url:" + with pytest.raises(ValueError, match=msg): + self.request_class("foo") + with pytest.raises(ValueError, match=msg): + self.request_class("/foo/") + with pytest.raises(ValueError, match=msg): + self.request_class("/foo:bar") def test_headers(self): # Different ways of setting headers attribute @@ -273,8 +281,10 @@ class RequestTest(unittest.TestCase): def test_immutable_attributes(self): r = self.request_class("http://example.com") - self.assertRaises(AttributeError, setattr, r, "url", "http://example2.com") - self.assertRaises(AttributeError, setattr, r, "body", "xxx") + with pytest.raises(AttributeError): + r.url = "http://example2.com" + with pytest.raises(AttributeError): + r.body = "xxx" def test_callback_and_errback(self): def a_function(): @@ -309,11 +319,11 @@ class RequestTest(unittest.TestCase): self.assertIs(r5.errback, NO_CALLBACK) def test_callback_and_errback_type(self): - with self.assertRaises(TypeError): + with pytest.raises(TypeError): self.request_class("http://example.com", callback="a_function") - with self.assertRaises(TypeError): + with pytest.raises(TypeError): self.request_class("http://example.com", errback="a_function") - with self.assertRaises(TypeError): + with pytest.raises(TypeError): self.request_class( url="http://example.com", callback="a_function", @@ -321,7 +331,7 @@ class RequestTest(unittest.TestCase): ) def test_no_callback(self): - with self.assertRaises(RuntimeError): + with pytest.raises(RuntimeError): NO_CALLBACK() def test_from_curl(self): @@ -403,13 +413,11 @@ class RequestTest(unittest.TestCase): # If `ignore_unknown_options` is set to `False` it raises an error with # the unknown options: --foo and -z - self.assertRaises( - ValueError, - lambda: self.request_class.from_curl( + with pytest.raises(ValueError, match="Unrecognized options:"): + self.request_class.from_curl( 'curl -X PATCH "http://example.org" --foo -z', ignore_unknown_options=False, - ), - ) + ) class FormRequestTest(RequestTest): @@ -428,7 +436,7 @@ class FormRequestTest(RequestTest): data = (("a", "one"), ("a", "two"), ("b", "2")) url = self.request_class( "http://www.example.com/?a=0&b=1&c=3#fragment", method="GET", formdata=data - ).url.split("#")[0] + ).url.split("#", maxsplit=1)[0] fs = _qs(self.request_class(url, method="GET", formdata=data)) self.assertEqual(set(fs[b"a"]), {b"one", b"two"}) self.assertEqual(fs[b"b"], [b"2"]) @@ -897,12 +905,11 @@ class FormRequestTest(RequestTest): <input type="submit" name="clickable2" value="clicked2"> </form>""" ) - self.assertRaises( + with pytest.raises( ValueError, - self.request_class.from_response, - response, - clickdata={"type": "submit"}, - ) + match="Multiple elements found .* matching the criteria in clickdata", + ): + self.request_class.from_response(response, clickdata={"type": "submit"}) def test_from_response_non_matching_clickdata(self): response = _buildresponse( @@ -910,12 +917,12 @@ class FormRequestTest(RequestTest): <input type="submit" name="clickable" value="clicked"> </form>""" ) - self.assertRaises( - ValueError, - self.request_class.from_response, - response, - clickdata={"nonexistent": "notme"}, - ) + with pytest.raises( + ValueError, match="No clickable element matching clickdata:" + ): + self.request_class.from_response( + response, clickdata={"nonexistent": "notme"} + ) def test_from_response_nr_index_clickdata(self): response = _buildresponse( @@ -937,13 +944,15 @@ class FormRequestTest(RequestTest): </form> """ ) - self.assertRaises( - ValueError, self.request_class.from_response, response, clickdata={"nr": 1} - ) + with pytest.raises( + ValueError, match="No clickable element matching clickdata:" + ): + self.request_class.from_response(response, clickdata={"nr": 1}) def test_from_response_errors_noform(self): response = _buildresponse("""<html></html>""") - self.assertRaises(ValueError, self.request_class.from_response, response) + with pytest.raises(ValueError, match="No <form> element found in"): + self.request_class.from_response(response) def test_from_response_invalid_html5(self): response = _buildresponse( @@ -963,9 +972,8 @@ class FormRequestTest(RequestTest): <input type="hidden" name="test2" value="xxx"> </form>""" ) - self.assertRaises( - IndexError, self.request_class.from_response, response, formnumber=1 - ) + with pytest.raises(IndexError): + self.request_class.from_response(response, formnumber=1) def test_from_response_noformname(self): response = _buildresponse( @@ -1021,13 +1029,8 @@ class FormRequestTest(RequestTest): <input type="hidden" name="two" value="2"> </form>""" ) - self.assertRaises( - IndexError, - self.request_class.from_response, - response, - formname="form3", - formnumber=2, - ) + with pytest.raises(IndexError): + self.request_class.from_response(response, formname="form3", formnumber=2) def test_from_response_formid_exists(self): response = _buildresponse( @@ -1086,13 +1089,8 @@ class FormRequestTest(RequestTest): <input type="hidden" name="two" value="2"> </form>""" ) - self.assertRaises( - IndexError, - self.request_class.from_response, - response, - formid="form3", - formnumber=2, - ) + with pytest.raises(IndexError): + self.request_class.from_response(response, formid="form3", formnumber=2) def test_from_response_select(self): res = _buildresponse( @@ -1245,12 +1243,10 @@ class FormRequestTest(RequestTest): fs = _qs(r1) self.assertEqual(fs[b"three"], [b"3"]) - self.assertRaises( - ValueError, - self.request_class.from_response, - response, - formxpath="//form/input[@name='abc']", - ) + with pytest.raises(ValueError, match="No <form> element found with"): + self.request_class.from_response( + response, formxpath="//form/input[@name='abc']" + ) def test_from_response_unicode_xpath(self): response = _buildresponse(b'<form name="\xd1\x8a"></form>') @@ -1261,13 +1257,8 @@ class FormRequestTest(RequestTest): self.assertEqual(fs, {}) xpath = "//form[@name='\u03b1']" - self.assertRaisesRegex( - ValueError, - re.escape(xpath), - self.request_class.from_response, - response, - formxpath=xpath, - ) + with pytest.raises(ValueError, match=re.escape(xpath)): + self.request_class.from_response(response, formxpath=xpath) def test_from_response_button_submit(self): response = _buildresponse( @@ -1393,12 +1384,8 @@ class FormRequestTest(RequestTest): fs = _qs(r1) self.assertEqual(fs[b"three"], [b"3"]) - self.assertRaises( - ValueError, - self.request_class.from_response, - response, - formcss="input[name='abc']", - ) + with pytest.raises(ValueError, match="No <form> element found with"): + self.request_class.from_response(response, formcss="input[name='abc']") def test_from_response_valid_form_methods(self): form_methods = [ @@ -1424,13 +1411,11 @@ class FormRequestTest(RequestTest): </form> </body></html>""" ) - with self.assertRaises(ValueError) as context: + with pytest.raises( + ValueError, match="formdata should be a dict or iterable of tuples" + ): FormRequest.from_response(response, formdata=123) - self.assertIn( - "formdata should be a dict or iterable of tuples", str(context.exception) - ) - def test_form_response_with_custom_invalid_formdata_value_error(self): """Test that a ValueError is raised for fault-inducing iterable formdata input""" response = _buildresponse( @@ -1441,13 +1426,11 @@ class FormRequestTest(RequestTest): </body></html>""" ) - with self.assertRaises(ValueError) as context: + with pytest.raises( + ValueError, match="formdata should be a dict or iterable of tuples" + ): FormRequest.from_response(response, formdata=("a",)) - self.assertIn( - "formdata should be a dict or iterable of tuples", str(context.exception) - ) - def test_get_form_with_xpath_no_form_parent(self): """Test that _get_from raised a ValueError when an XPath selects an element not nested within a <form> and no <form> parent is found""" @@ -1462,11 +1445,9 @@ class FormRequestTest(RequestTest): </body></html>""" ) - with self.assertRaises(ValueError) as context: + with pytest.raises(ValueError, match="No <form> element found with"): FormRequest.from_response(response, formxpath='//div[@id="outside-form"]/p') - self.assertIn("No <form> element found with", str(context.exception)) - def _buildresponse(body, **kwargs): kwargs.setdefault("body", body) @@ -1507,8 +1488,10 @@ class XmlRpcRequestTest(RequestTest): self._test_request(params=("response",), methodresponse="login") self._test_request(params=("pas£",), encoding="utf-8") self._test_request(params=(None,), allow_none=1) - self.assertRaises(TypeError, self._test_request) - self.assertRaises(TypeError, self._test_request, params=(None,)) + with pytest.raises(TypeError): + self._test_request() + with pytest.raises(TypeError): + self._test_request(params=(None,)) def test_latin1(self): self._test_request(params=("pas£",), encoding="latin1") diff --git a/tests/test_http_response.py b/tests/test_http_response.py index dde883451..5a943f084 100644 --- a/tests/test_http_response.py +++ b/tests/test_http_response.py @@ -27,14 +27,15 @@ class BaseResponseTest(unittest.TestCase): def test_init(self): # Response requires url in the constructor - self.assertRaises(Exception, self.response_class) + with pytest.raises(TypeError): + self.response_class() self.assertTrue( isinstance(self.response_class("http://example.com/"), self.response_class) ) - self.assertRaises(TypeError, self.response_class, b"http://example.com") - self.assertRaises( - TypeError, self.response_class, url="http://example.com", body={} - ) + with pytest.raises(TypeError): + self.response_class(b"http://example.com") + with pytest.raises(TypeError): + self.response_class(url="http://example.com", body={}) # body can be str or None self.assertTrue( isinstance( @@ -77,12 +78,8 @@ class BaseResponseTest(unittest.TestCase): self.assertEqual(r.status, 301) r = self.response_class("http://www.example.com", status="301") self.assertEqual(r.status, 301) - self.assertRaises( - ValueError, - self.response_class, - "http://example.com", - status="lala200", - ) + with pytest.raises(ValueError, match=r"invalid literal for int\(\)"): + self.response_class("http://example.com", status="lala200") def test_copy(self): """Test Response copy""" @@ -122,14 +119,12 @@ class BaseResponseTest(unittest.TestCase): def test_unavailable_meta(self): r1 = self.response_class("http://www.example.com", body=b"Some body") - with self.assertRaisesRegex(AttributeError, r"Response\.meta not available"): + with pytest.raises(AttributeError, match=r"Response\.meta not available"): r1.meta def test_unavailable_cb_kwargs(self): r1 = self.response_class("http://www.example.com", body=b"Some body") - with self.assertRaisesRegex( - AttributeError, r"Response\.cb_kwargs not available" - ): + with pytest.raises(AttributeError, match=r"Response\.cb_kwargs not available"): r1.cb_kwargs def test_copy_inherited_classes(self): @@ -179,8 +174,10 @@ class BaseResponseTest(unittest.TestCase): def test_immutable_attributes(self): r = self.response_class("http://example.com") - self.assertRaises(AttributeError, setattr, r, "url", "http://example2.com") - self.assertRaises(AttributeError, setattr, r, "body", "xxx") + with pytest.raises(AttributeError): + r.url = "http://example2.com" + with pytest.raises(AttributeError): + r.body = "xxx" def test_urljoin(self): """Test urljoin shortcut (only for existence, since behavior equals urljoin)""" @@ -192,10 +189,14 @@ class BaseResponseTest(unittest.TestCase): r = self.response_class("http://example.com", body=b"hello") if self.response_class == Response: msg = "Response content isn't text" - self.assertRaisesRegex(AttributeError, msg, getattr, r, "text") - self.assertRaisesRegex(NotSupported, msg, r.css, "body") - self.assertRaisesRegex(NotSupported, msg, r.xpath, "//body") - self.assertRaisesRegex(NotSupported, msg, r.jmespath, "body") + with pytest.raises(AttributeError, match=msg): + r.text + with pytest.raises(NotSupported, match=msg): + r.css("body") + with pytest.raises(NotSupported, match=msg): + r.xpath("//body") + with pytest.raises(NotSupported, match=msg): + r.jmespath("body") else: r.text r.css("body") @@ -216,7 +217,8 @@ class BaseResponseTest(unittest.TestCase): def test_follow_None_url(self): r = self.response_class("http://example.com") - self.assertRaises(ValueError, r.follow, None) + with pytest.raises(ValueError, match="url can't be None"): + r.follow(None) @pytest.mark.xfail( parse_version(w3lib_version) < parse_version("2.1.1"), @@ -279,18 +281,20 @@ class BaseResponseTest(unittest.TestCase): def test_follow_all_invalid(self): r = self.response_class("http://example.com") if self.response_class == Response: - with self.assertRaises(TypeError): + with pytest.raises(TypeError): list(r.follow_all(urls=None)) - with self.assertRaises(TypeError): + with pytest.raises(TypeError): list(r.follow_all(urls=12345)) - with self.assertRaises(ValueError): + with pytest.raises(ValueError, match="url can't be None"): list(r.follow_all(urls=[None])) else: - with self.assertRaises(ValueError): + with pytest.raises( + ValueError, match="Please supply exactly one of the following arguments" + ): list(r.follow_all(urls=None)) - with self.assertRaises(TypeError): + with pytest.raises(TypeError): list(r.follow_all(urls=12345)) - with self.assertRaises(ValueError): + with pytest.raises(ValueError, match="url can't be None"): list(r.follow_all(urls=[None])) def test_follow_all_whitespace(self): @@ -399,12 +403,8 @@ class TextResponseTest(BaseResponseTest): "\u043a\u0438\u0440\u0438\u043b\u043b\u0438\u0447\u0435\u0441\u043a\u0438\u0439 " "\u0442\u0435\u043a\u0441\u0442" ) - self.assertRaises( - TypeError, - self.response_class, - "http://www.example.com", - body="unicode body", - ) + with pytest.raises(TypeError): + self.response_class("http://www.example.com", body="unicode body") original_string = unicode_string.encode("cp1251") r1 = self.response_class( @@ -483,12 +483,8 @@ class TextResponseTest(BaseResponseTest): self._assert_response_values(r9, "cp1252", "€") # TextResponse (and subclasses) must be passed a encoding when instantiating with unicode bodies - self.assertRaises( - TypeError, - self.response_class, - "http://www.example.com", - body="\xa3", - ) + with pytest.raises(TypeError): + self.response_class("http://www.example.com", body="\xa3") def test_declared_encoding_invalid(self): """Check that unknown declared encodings are ignored""" @@ -679,20 +675,20 @@ class TextResponseTest(BaseResponseTest): self._assert_followed_url(sel, url, response=resp) # non-a elements are not supported - self.assertRaises(ValueError, resp.follow, resp.css("div")[0]) + with pytest.raises( + ValueError, match="Only <a> and <link> elements are supported" + ): + resp.follow(resp.css("div")[0]) def test_follow_selector_list(self): resp = self._links_response() - self.assertRaisesRegex(ValueError, "SelectorList", resp.follow, resp.css("a")) + with pytest.raises(ValueError, match="SelectorList"): + resp.follow(resp.css("a")) def test_follow_selector_invalid(self): resp = self._links_response() - self.assertRaisesRegex( - ValueError, - "Unsupported", - resp.follow, - resp.xpath("count(//div)")[0], - ) + with pytest.raises(ValueError, match="Unsupported"): + resp.follow(resp.xpath("count(//div)")[0]) def test_follow_selector_attribute(self): resp = self._links_response() @@ -704,7 +700,8 @@ class TextResponseTest(BaseResponseTest): url="http://example.com", body=b"<html><body><a name=123>click me</a></body></html>", ) - self.assertRaisesRegex(ValueError, "no href", resp.follow, resp.css("a")[0]) + with pytest.raises(ValueError, match="no href"): + resp.follow(resp.css("a")[0]) def test_follow_whitespace_selector(self): resp = self.response_class( @@ -812,7 +809,9 @@ class TextResponseTest(BaseResponseTest): def test_follow_all_too_many_arguments(self): response = self._links_response() - with self.assertRaises(ValueError): + with pytest.raises( + ValueError, match="Please supply exactly one of the following arguments" + ): response.follow_all( css='a[href*="example.com"]', xpath='//a[contains(@href, "example.com")]', @@ -825,7 +824,9 @@ class TextResponseTest(BaseResponseTest): text_body = b"""<html><body>text</body></html>""" text_response = self.response_class("http://www.example.com", body=text_body) - with self.assertRaises(ValueError): + with pytest.raises( + ValueError, match="(Expecting value|Unexpected '<'): line 1" + ): text_response.json() def test_cache_json_response(self): @@ -1023,10 +1024,8 @@ class CustomResponseTest(TextResponseTest): self.assertEqual(r4.bar, "bar") self.assertIsNone(r4.lost) - with self.assertRaises(TypeError) as ctx: + with pytest.raises( + TypeError, + match=r"__init__\(\) got an unexpected keyword argument 'unknown'", + ): r1.replace(unknown="unknown") - self.assertTrue( - str(ctx.exception).endswith( - "__init__() got an unexpected keyword argument 'unknown'" - ) - ) diff --git a/tests/test_item.py b/tests/test_item.py index 0399c8f8d..47c5c3db6 100644 --- a/tests/test_item.py +++ b/tests/test_item.py @@ -2,6 +2,8 @@ import unittest from abc import ABCMeta from unittest import mock +import pytest + from scrapy.item import Field, Item, ItemMeta @@ -22,7 +24,8 @@ class ItemTest(unittest.TestCase): name = Field() i = TestItem() - self.assertRaises(KeyError, i.__getitem__, "name") + with pytest.raises(KeyError): + i["name"] i2 = TestItem(name="john doe") self.assertEqual(i2["name"], "john doe") @@ -33,15 +36,18 @@ class ItemTest(unittest.TestCase): i4 = TestItem(i3) self.assertEqual(i4["name"], "john doe") - self.assertRaises(KeyError, TestItem, {"name": "john doe", "other": "foo"}) + with pytest.raises(KeyError): + TestItem({"name": "john doe", "other": "foo"}) def test_invalid_field(self): class TestItem(Item): pass i = TestItem() - self.assertRaises(KeyError, i.__setitem__, "field", "text") - self.assertRaises(KeyError, i.__getitem__, "field") + with pytest.raises(KeyError): + i["field"] = "text" + with pytest.raises(KeyError): + i["field"] def test_repr(self): class TestItem(Item): @@ -72,14 +78,16 @@ class ItemTest(unittest.TestCase): name = Field() i = TestItem() - self.assertRaises(AttributeError, getattr, i, "name") + with pytest.raises(AttributeError): + i.name def test_raise_setattr(self): class TestItem(Item): name = Field() i = TestItem() - self.assertRaises(AttributeError, setattr, i, "name", "john") + with pytest.raises(AttributeError): + i.name = "john" def test_custom_methods(self): class TestItem(Item): @@ -92,7 +100,8 @@ class ItemTest(unittest.TestCase): self["name"] = name i = TestItem() - self.assertRaises(KeyError, i.get_name) + with pytest.raises(KeyError): + i.get_name() i["name"] = "lala" self.assertEqual(i.get_name(), "lala") i.change_name("other") @@ -223,7 +232,8 @@ class ItemTest(unittest.TestCase): class D(B, C): pass - self.assertRaises(KeyError, D, not_allowed="value") + with pytest.raises(KeyError): + D(not_allowed="value") self.assertEqual(D(save="X")["save"], "X") self.assertEqual(D.fields, {"save": {"default": "A"}, "load": {"default": "A"}}) @@ -231,7 +241,8 @@ class ItemTest(unittest.TestCase): class E(C, B): pass - self.assertRaises(KeyError, E, not_allowed="value") + with pytest.raises(KeyError): + E(not_allowed="value") self.assertEqual(E(save="X")["save"], "X") self.assertEqual(E.fields, {"save": {"default": "A"}, "load": {"default": "A"}}) diff --git a/tests/test_link.py b/tests/test_link.py index 35723bbd6..ed9d27a37 100644 --- a/tests/test_link.py +++ b/tests/test_link.py @@ -1,5 +1,7 @@ import unittest +import pytest + from scrapy.link import Link @@ -53,5 +55,5 @@ class LinkTest(unittest.TestCase): self._assert_same_links(l1, l2) def test_bytes_url(self): - with self.assertRaises(TypeError): + with pytest.raises(TypeError): Link(b"http://www.example.com/\xc2\xa3") diff --git a/tests/test_loader.py b/tests/test_loader.py index b52d5ea2e..1a933bb8d 100644 --- a/tests/test_loader.py +++ b/tests/test_loader.py @@ -4,6 +4,7 @@ import dataclasses import unittest import attr +import pytest from itemadapter import ItemAdapter from itemloaders.processors import Compose, Identity, MapCompose, TakeFirst @@ -69,7 +70,8 @@ def processor_with_args(value, other=None, loader_context=None): class BasicItemLoaderTest(unittest.TestCase): def test_add_value_on_unknown_field(self): il = ProcessorItemLoader() - self.assertRaises(KeyError, il.add_value, "wrong_field", ["lala", "lolo"]) + with pytest.raises(KeyError): + il.add_value("wrong_field", ["lala", "lolo"]) def test_load_item_using_default_loader(self): i = SummaryItem() @@ -294,12 +296,18 @@ class SelectortemLoaderTest(unittest.TestCase): def test_init_method_errors(self): l = ProcessorItemLoader() - self.assertRaises(RuntimeError, l.add_xpath, "url", "//a/@href") - self.assertRaises(RuntimeError, l.replace_xpath, "url", "//a/@href") - self.assertRaises(RuntimeError, l.get_xpath, "//a/@href") - self.assertRaises(RuntimeError, l.add_css, "name", "#name::text") - self.assertRaises(RuntimeError, l.replace_css, "name", "#name::text") - self.assertRaises(RuntimeError, l.get_css, "#name::text") + with pytest.raises(RuntimeError): + l.add_xpath("url", "//a/@href") + with pytest.raises(RuntimeError): + l.replace_xpath("url", "//a/@href") + with pytest.raises(RuntimeError): + l.get_xpath("//a/@href") + with pytest.raises(RuntimeError): + l.add_css("name", "#name::text") + with pytest.raises(RuntimeError): + l.replace_css("name", "#name::text") + with pytest.raises(RuntimeError): + l.get_css("#name::text") def test_init_method_with_selector(self): sel = Selector(text="<html><body><div>marta</div></body></html>") diff --git a/tests/test_loader_deprecated.py b/tests/test_loader_deprecated.py index 1e504f539..0d7921b1d 100644 --- a/tests/test_loader_deprecated.py +++ b/tests/test_loader_deprecated.py @@ -6,6 +6,7 @@ Once we remove the references from scrapy, we can remove these tests. import unittest from functools import partial +import pytest from itemloaders.processors import ( Compose, Identity, @@ -435,7 +436,13 @@ class BasicItemLoaderTest(unittest.TestCase): name_in = MapCompose(float) il = TestItemLoader() - self.assertRaises(ValueError, il.add_value, "name", ["marta", "other"]) + with pytest.raises( + ValueError, + match="Error with input processor MapCompose: .* " + "error='ValueError: Error in MapCompose .* " + "error='ValueError: could not convert", + ): + il.add_value("name", ["marta", "other"]) def test_error_output_processor(self): class TestItem(Item): @@ -447,7 +454,12 @@ class BasicItemLoaderTest(unittest.TestCase): il = TestItemLoader() il.add_value("name", "marta") - with self.assertRaises(ValueError): + with pytest.raises( + ValueError, + match="Error with output processor: .* " + "error='ValueError: Error in Compose .* " + "error='ValueError: could not convert", + ): il.load_item() def test_error_processor_as_argument(self): @@ -458,9 +470,13 @@ class BasicItemLoaderTest(unittest.TestCase): default_item_class = TestItem il = TestItemLoader() - self.assertRaises( - ValueError, il.add_value, "name", ["marta", "other"], Compose(float) - ) + with pytest.raises( + ValueError, + match=r"Error with processor Compose .* " + r"error='ValueError: Error in Compose .* " + r"error='TypeError: float\(\) argument", + ): + il.add_value("name", ["marta", "other"], Compose(float)) class InitializationFromDictTest(unittest.TestCase): @@ -630,7 +646,8 @@ class ProcessorsTest(unittest.TestCase): def test_join(self): proc = Join() - self.assertRaises(TypeError, proc, [None, "", "hello", "world"]) + with pytest.raises(TypeError): + proc([None, "", "hello", "world"]) self.assertEqual(proc(["", "hello", "world"]), " hello world") self.assertEqual(proc(["hello", "world"]), "hello world") self.assertIsInstance(proc(["hello", "world"]), str) @@ -641,9 +658,17 @@ class ProcessorsTest(unittest.TestCase): proc = Compose(str.upper) self.assertEqual(proc(None), None) proc = Compose(str.upper, stop_on_none=False) - self.assertRaises(ValueError, proc, None) + with pytest.raises( + ValueError, + match="Error in Compose with .* error='TypeError: (descriptor 'upper'|'str' object expected)", + ): + proc(None) proc = Compose(str.upper, lambda x: x + 1) - self.assertRaises(ValueError, proc, "hello") + with pytest.raises( + ValueError, + match="Error in Compose with .* error='TypeError: (can only|unsupported operand)", + ): + proc("hello") def test_mapcompose(self): def filter_world(x): @@ -657,9 +682,17 @@ class ProcessorsTest(unittest.TestCase): proc = MapCompose(filter_world, str.upper) self.assertEqual(proc(None), []) proc = MapCompose(filter_world, str.upper) - self.assertRaises(ValueError, proc, [1]) + with pytest.raises( + ValueError, + match="Error in MapCompose with .* error='TypeError: (descriptor 'upper'|'str' object expected)", + ): + proc([1]) proc = MapCompose(filter_world, lambda x: x + 1) - self.assertRaises(ValueError, proc, "hello") + with pytest.raises( + ValueError, + match="Error in MapCompose with .* error='TypeError: (can only|unsupported operand)", + ): + proc("hello") class SelectJmesTestCase(unittest.TestCase): diff --git a/tests/test_logstats.py b/tests/test_logstats.py index a4b002e34..6bc5b6f1f 100644 --- a/tests/test_logstats.py +++ b/tests/test_logstats.py @@ -1,6 +1,8 @@ import unittest from datetime import datetime +import pytest + from scrapy.extensions.logstats import LogStats from scrapy.utils.test import get_crawler from tests.spiders import SimpleSpider @@ -18,8 +20,9 @@ class TestLogStats(unittest.TestCase): def test_stats_calculations(self): logstats = LogStats.from_crawler(self.crawler) - with self.assertRaises(AttributeError): + with pytest.raises(AttributeError): logstats.pagesprev + with pytest.raises(AttributeError): logstats.itemsprev logstats.spider_opened(self.spider) diff --git a/tests/test_pipeline_images.py b/tests/test_pipeline_images.py index 3d049843a..1d89e44ce 100644 --- a/tests/test_pipeline_images.py +++ b/tests/test_pipeline_images.py @@ -7,6 +7,7 @@ from shutil import rmtree from tempfile import mkdtemp import attr +import pytest from itemadapter import ItemAdapter from twisted.trial import unittest @@ -146,11 +147,11 @@ class ImagesPipelineTestCase(unittest.TestCase): resp3 = Response(url="https://dev.mydeco.com/mydeco.gif", body=buf3.getvalue()) req = Request(url="https://dev.mydeco.com/mydeco.gif") - with self.assertRaises(ImageException): + with pytest.raises(ImageException): next(self.pipeline.get_images(response=resp1, request=req, info=object())) - with self.assertRaises(ImageException): + with pytest.raises(ImageException): next(self.pipeline.get_images(response=resp2, request=req, info=object())) - with self.assertRaises(ImageException): + with pytest.raises(ImageException): next(self.pipeline.get_images(response=resp3, request=req, info=object())) def test_get_images(self): diff --git a/tests/test_pqueues.py b/tests/test_pqueues.py index 1584014b8..c223c4562 100644 --- a/tests/test_pqueues.py +++ b/tests/test_pqueues.py @@ -1,6 +1,7 @@ import tempfile import unittest +import pytest import queuelib from scrapy.http.request import Request @@ -40,9 +41,9 @@ class PriorityQueueTest(unittest.TestCase): self.crawler, FifoMemoryQueue, temp_dir ) queue.push(Request("https://example.org")) - with self.assertRaises( + with pytest.raises( NotImplementedError, - msg="The underlying queue class does not implement 'peek'", + match="The underlying queue class does not implement 'peek'", ): queue.peek() queue.close() @@ -129,9 +130,9 @@ class DownloaderAwarePriorityQueueTest(unittest.TestCase): if hasattr(queuelib.queue.FifoMemoryQueue, "peek"): raise unittest.SkipTest("queuelib.queue.FifoMemoryQueue.peek is defined") self.queue.push(Request("https://example.org")) - with self.assertRaises( + with pytest.raises( NotImplementedError, - msg="The underlying queue class does not implement 'peek'", + match="The underlying queue class does not implement 'peek'", ): self.queue.peek() diff --git a/tests/test_request_dict.py b/tests/test_request_dict.py index 85133038a..2c605a015 100644 --- a/tests/test_request_dict.py +++ b/tests/test_request_dict.py @@ -1,5 +1,7 @@ import unittest +import pytest + from scrapy import Request, Spider from scrapy.http import FormRequest, JsonRequest from scrapy.utils.request import request_from_dict @@ -134,11 +136,15 @@ class RequestSerializationTest(unittest.TestCase): def test_unserializable_callback1(self): r = Request("http://www.example.com", callback=lambda x: x) - self.assertRaises(ValueError, r.to_dict, spider=self.spider) + with pytest.raises( + ValueError, match="is not an instance method in: <MethodsSpider" + ): + r.to_dict(spider=self.spider) def test_unserializable_callback2(self): r = Request("http://www.example.com", callback=self.spider.parse_item) - self.assertRaises(ValueError, r.to_dict, spider=None) + with pytest.raises(ValueError, match="is not an instance method in: None"): + r.to_dict(spider=None) def test_unserializable_callback3(self): """Parser method is removed or replaced dynamically.""" @@ -152,14 +158,18 @@ class RequestSerializationTest(unittest.TestCase): spider = MySpider() r = Request("http://www.example.com", callback=spider.parse) spider.parse = None - self.assertRaises(ValueError, r.to_dict, spider=spider) + with pytest.raises(ValueError, match="is not an instance method in: <MySpider"): + r.to_dict(spider=spider) def test_callback_not_available(self): """Callback method is not available in the spider passed to from_dict""" spider = SpiderDelegation() r = Request("http://www.example.com", callback=spider.delegated_callback) d = r.to_dict(spider=spider) - self.assertRaises(ValueError, request_from_dict, d, spider=Spider("foo")) + with pytest.raises( + ValueError, match="Method 'delegated_callback' not found in: <Spider" + ): + request_from_dict(d, spider=Spider("foo")) class SpiderMixin: diff --git a/tests/test_scheduler.py b/tests/test_scheduler.py index 3ac330ae2..f2f8b96cd 100644 --- a/tests/test_scheduler.py +++ b/tests/test_scheduler.py @@ -5,6 +5,7 @@ import tempfile import unittest from typing import Any, NamedTuple +import pytest from twisted.internet import defer from twisted.trial.unittest import TestCase @@ -229,7 +230,10 @@ class TestMigration(unittest.TestCase): next_scheduler_handler.create_scheduler() def test_migration(self): - with self.assertRaises(ValueError): + with pytest.raises( + ValueError, + match="DownloaderAwarePriorityQueue accepts ``slot_startprios`` as a dict", + ): self._migration(self.tmpdir) @@ -351,5 +355,7 @@ class TestIncompatibility(unittest.TestCase): scheduler.open(spider) def test_incompatibility(self): - with self.assertRaises(ValueError): + with pytest.raises( + ValueError, match="does not support CONCURRENT_REQUESTS_PER_IP" + ): self._incompatible() diff --git a/tests/test_scheduler_base.py b/tests/test_scheduler_base.py index 7c72805e2..c2bb8cec5 100644 --- a/tests/test_scheduler_base.py +++ b/tests/test_scheduler_base.py @@ -3,6 +3,7 @@ from __future__ import annotations from unittest import TestCase from urllib.parse import urljoin +import pytest from testfixtures import LogCapture from twisted.internet import defer from twisted.trial.unittest import TestCase as TwistedTestCase @@ -75,13 +76,12 @@ class BaseSchedulerTest(TestCase, InterfaceCheckMixin): def test_methods(self): self.assertIsNone(self.scheduler.open(Spider("foo"))) self.assertIsNone(self.scheduler.close("finished")) - self.assertRaises(NotImplementedError, self.scheduler.has_pending_requests) - self.assertRaises( - NotImplementedError, - self.scheduler.enqueue_request, - Request("https://example.org"), - ) - self.assertRaises(NotImplementedError, self.scheduler.next_request) + with pytest.raises(NotImplementedError): + self.scheduler.has_pending_requests() + with pytest.raises(NotImplementedError): + self.scheduler.enqueue_request(Request("https://example.org")) + with pytest.raises(NotImplementedError): + self.scheduler.next_request() class MinimalSchedulerTest(TestCase, InterfaceCheckMixin): @@ -89,15 +89,15 @@ class MinimalSchedulerTest(TestCase, InterfaceCheckMixin): self.scheduler = MinimalScheduler() def test_open_close(self): - with self.assertRaises(AttributeError): + with pytest.raises(AttributeError): self.scheduler.open(Spider("foo")) - with self.assertRaises(AttributeError): + with pytest.raises(AttributeError): self.scheduler.close("finished") def test_len(self): - with self.assertRaises(AttributeError): + with pytest.raises(AttributeError): self.scheduler.__len__() - with self.assertRaises(TypeError): + with pytest.raises(TypeError): len(self.scheduler) def test_enqueue_dequeue(self): diff --git a/tests/test_selector.py b/tests/test_selector.py index 4eda0460f..2d7a1442e 100644 --- a/tests/test_selector.py +++ b/tests/test_selector.py @@ -112,7 +112,7 @@ class SelectorTestCase(unittest.TestCase): ) def test_selector_bad_args(self): - with self.assertRaisesRegex(ValueError, "received both response and text"): + with pytest.raises(ValueError, match="received both response and text"): Selector(TextResponse(url="http://example.com", body=b""), text="") diff --git a/tests/test_settings/__init__.py b/tests/test_settings/__init__.py index 5c8a19d9b..b7a316eee 100644 --- a/tests/test_settings/__init__.py +++ b/tests/test_settings/__init__.py @@ -235,9 +235,9 @@ class BaseSettingsTest(unittest.TestCase): self.assertIn("key_highprio", settings) del settings["key_highprio"] self.assertNotIn("key_highprio", settings) - with self.assertRaises(KeyError): + with pytest.raises(KeyError): settings.delete("notkey") - with self.assertRaises(KeyError): + with pytest.raises(KeyError): del settings["notkey"] def test_get(self): @@ -303,9 +303,19 @@ class BaseSettingsTest(unittest.TestCase): self.assertEqual(settings.getdict("TEST_DICT2"), {"key1": "val1", "ke2": 3}) self.assertEqual(settings.getdict("TEST_DICT3"), {}) self.assertEqual(settings.getdict("TEST_DICT3", {"key1": 5}), {"key1": 5}) - self.assertRaises(ValueError, settings.getdict, "TEST_LIST1") - self.assertRaises(ValueError, settings.getbool, "TEST_ENABLED_WRONG") - self.assertRaises(ValueError, settings.getbool, "TEST_DISABLED_WRONG") + with pytest.raises( + ValueError, + match="dictionary update sequence element #0 has length 3; 2 is required|sequence of pairs expected", + ): + settings.getdict("TEST_LIST1") + with pytest.raises( + ValueError, match="Supported values for boolean settings are" + ): + settings.getbool("TEST_ENABLED_WRONG") + with pytest.raises( + ValueError, match="Supported values for boolean settings are" + ): + settings.getbool("TEST_DISABLED_WRONG") def test_getpriority(self): settings = BaseSettings({"key": "value"}, priority=99) @@ -381,11 +391,10 @@ class BaseSettingsTest(unittest.TestCase): def test_freeze(self): self.settings.freeze() - with self.assertRaises(TypeError) as cm: + with pytest.raises( + TypeError, match="Trying to modify an immutable Settings object" + ): self.settings.set("TEST_BOOL", False) - self.assertEqual( - str(cm.exception), "Trying to modify an immutable Settings object" - ) def test_frozencopy(self): frozencopy = self.settings.frozencopy() @@ -476,7 +485,7 @@ class SettingsTest(unittest.TestCase): def test_pop_item_with_default_value(self): settings = Settings() - with self.assertRaises(KeyError): + with pytest.raises(KeyError): settings.pop("DUMMY_CONFIG") dummy_config_value = settings.pop("DUMMY_CONFIG", "dummy_value") @@ -491,9 +500,7 @@ class SettingsTest(unittest.TestCase): settings.freeze() - with self.assertRaises(TypeError) as error: + with pytest.raises( + TypeError, match="Trying to modify an immutable Settings object" + ): settings.pop("OTHER_DUMMY_CONFIG") - - self.assertEqual( - str(error.exception), "Trying to modify an immutable Settings object" - ) diff --git a/tests/test_spider.py b/tests/test_spider.py index 18a863350..af29872a8 100644 --- a/tests/test_spider.py +++ b/tests/test_spider.py @@ -7,6 +7,7 @@ from pathlib import Path from typing import Any from unittest import mock +import pytest from testfixtures import LogCapture from twisted.internet.defer import inlineCallbacks from twisted.trial import unittest @@ -57,8 +58,11 @@ class SpiderTest(unittest.TestCase): def test_spider_without_name(self): """``__init__`` method arguments are assigned to spider attributes""" - self.assertRaises(ValueError, self.spider_class) - self.assertRaises(ValueError, self.spider_class, somearg="foo") + msg = "must have a name" + with pytest.raises(ValueError, match=msg): + self.spider_class() + with pytest.raises(ValueError, match=msg): + self.spider_class(somearg="foo") def test_from_crawler_crawler_and_settings_population(self): crawler = get_crawler() @@ -475,7 +479,7 @@ class CrawlSpiderTest(SpiderTest): spider = self.spider_class("example.com") spider.start_url = "https://www.example.com" - with self.assertRaisesRegex(AttributeError, r"^Crawling could not start.*$"): + with pytest.raises(AttributeError, match=r"^Crawling could not start.*$"): list(spider.start_requests()) @@ -825,5 +829,5 @@ class NoParseMethodSpiderTest(unittest.TestCase): resp = TextResponse(url="http://www.example.com/random_url", body=text) exc_msg = "Spider.parse callback is not defined" - with self.assertRaisesRegex(NotImplementedError, exc_msg): + with pytest.raises(NotImplementedError, match=exc_msg): spider.parse(resp) diff --git a/tests/test_spiderloader/__init__.py b/tests/test_spiderloader/__init__.py index 705f722b3..b103e9ed0 100644 --- a/tests/test_spiderloader/__init__.py +++ b/tests/test_spiderloader/__init__.py @@ -7,6 +7,7 @@ from pathlib import Path from tempfile import mkdtemp from unittest import mock +import pytest from twisted.trial import unittest from zope.interface.verify import verifyObject @@ -124,9 +125,8 @@ class SpiderLoaderTest(unittest.TestCase): } ) - self.assertRaisesRegex( - KeyError, "Spider not found", runner.create_crawler, "spider2" - ) + with pytest.raises(KeyError, match="Spider not found"): + runner.create_crawler("spider2") crawler = runner.create_crawler("spider1") self.assertTrue(issubclass(crawler.spidercls, scrapy.Spider)) @@ -135,7 +135,8 @@ class SpiderLoaderTest(unittest.TestCase): def test_bad_spider_modules_exception(self): module = "tests.test_spiderloader.test_spiders.doesnotexist" settings = Settings({"SPIDER_MODULES": [module]}) - self.assertRaises(ImportError, SpiderLoader.from_settings, settings) + with pytest.raises(ImportError): + SpiderLoader.from_settings(settings) def test_bad_spider_modules_warning(self): with warnings.catch_warnings(record=True) as w: @@ -159,7 +160,8 @@ class SpiderLoaderTest(unittest.TestCase): with mock.patch.object(SpiderLoader, "_load_spiders") as m: m.side_effect = SyntaxError settings = Settings({"SPIDER_MODULES": [module]}) - self.assertRaises(SyntaxError, SpiderLoader.from_settings, settings) + with pytest.raises(SyntaxError): + SpiderLoader.from_settings(settings) def test_syntax_error_warning(self): with ( diff --git a/tests/test_spidermiddleware.py b/tests/test_spidermiddleware.py index a8507c789..a9f3876bb 100644 --- a/tests/test_spidermiddleware.py +++ b/tests/test_spidermiddleware.py @@ -3,6 +3,7 @@ from __future__ import annotations from collections.abc import AsyncIterator, Iterable from unittest import mock +import pytest from testfixtures import LogCapture from twisted.internet import defer from twisted.python.failure import Failure @@ -299,12 +300,9 @@ class ProcessSpiderOutputCoroutineMiddleware: class ProcessSpiderOutputInvalidResult(BaseAsyncSpiderMiddlewareTestCase): @defer.inlineCallbacks def test_non_iterable(self): - with self.assertRaisesRegex( + with pytest.raises( _InvalidOutput, - ( - r"\.process_spider_output must return an iterable, got <class " - r"'NoneType'>" - ), + match=r"\.process_spider_output must return an iterable, got <class 'NoneType'>", ): yield self._get_middleware_result( ProcessSpiderOutputNonIterableMiddleware, @@ -312,9 +310,9 @@ class ProcessSpiderOutputInvalidResult(BaseAsyncSpiderMiddlewareTestCase): @defer.inlineCallbacks def test_coroutine(self): - with self.assertRaisesRegex( + with pytest.raises( _InvalidOutput, - r"\.process_spider_output must be an asynchronous generator", + match=r"\.process_spider_output must be an asynchronous generator", ): yield self._get_middleware_result( ProcessSpiderOutputCoroutineMiddleware, @@ -518,8 +516,8 @@ class ProcessSpiderExceptionTest(BaseAsyncSpiderMiddlewareTestCase): @defer.inlineCallbacks def _test_asyncgen_nodowngrade(self, *mw_classes): - with self.assertRaisesRegex( - _InvalidOutput, "Async iterable returned from .+ cannot be downgraded" + with pytest.raises( + _InvalidOutput, match="Async iterable returned from .+ cannot be downgraded" ): yield self._get_middleware_result(*mw_classes) diff --git a/tests/test_spidermiddleware_httperror.py b/tests/test_spidermiddleware_httperror.py index 307054de7..f9eb93d6b 100644 --- a/tests/test_spidermiddleware_httperror.py +++ b/tests/test_spidermiddleware_httperror.py @@ -1,6 +1,7 @@ import logging from unittest import TestCase +import pytest from testfixtures import LogCapture from twisted.internet import defer from twisted.trial.unittest import TestCase as TrialTestCase @@ -68,9 +69,8 @@ class TestHttpErrorMiddleware(TestCase): def test_process_spider_input(self): self.assertIsNone(self.mw.process_spider_input(self.res200, self.spider)) - self.assertRaises( - HttpError, self.mw.process_spider_input, self.res404, self.spider - ) + with pytest.raises(HttpError): + self.mw.process_spider_input(self.res404, self.spider) def test_process_spider_exception(self): self.assertEqual( @@ -105,9 +105,8 @@ class TestHttpErrorMiddlewareSettings(TestCase): def test_process_spider_input(self): self.assertIsNone(self.mw.process_spider_input(self.res200, self.spider)) - self.assertRaises( - HttpError, self.mw.process_spider_input, self.res404, self.spider - ) + with pytest.raises(HttpError): + self.mw.process_spider_input(self.res404, self.spider) self.assertIsNone(self.mw.process_spider_input(self.res402, self.spider)) def test_meta_overrides_settings(self): @@ -120,14 +119,14 @@ class TestHttpErrorMiddlewareSettings(TestCase): res402.request = request self.assertIsNone(self.mw.process_spider_input(res404, self.spider)) - self.assertRaises(HttpError, self.mw.process_spider_input, res402, self.spider) + with pytest.raises(HttpError): + self.mw.process_spider_input(res402, self.spider) def test_spider_override_settings(self): self.spider.handle_httpstatus_list = [404] self.assertIsNone(self.mw.process_spider_input(self.res404, self.spider)) - self.assertRaises( - HttpError, self.mw.process_spider_input, self.res402, self.spider - ) + with pytest.raises(HttpError): + self.mw.process_spider_input(self.res402, self.spider) class TestHttpErrorMiddlewareHandleAll(TestCase): @@ -151,7 +150,8 @@ class TestHttpErrorMiddlewareHandleAll(TestCase): res402.request = request self.assertIsNone(self.mw.process_spider_input(res404, self.spider)) - self.assertRaises(HttpError, self.mw.process_spider_input, res402, self.spider) + with pytest.raises(HttpError): + self.mw.process_spider_input(res402, self.spider) def test_httperror_allow_all_false(self): crawler = get_crawler(_HttpErrorSpider) @@ -167,7 +167,8 @@ class TestHttpErrorMiddlewareHandleAll(TestCase): res402 = self.res402.copy() res402.request = request_httpstatus_true - self.assertRaises(HttpError, mw.process_spider_input, res404, self.spider) + with pytest.raises(HttpError): + mw.process_spider_input(res404, self.spider) self.assertIsNone(mw.process_spider_input(res402, self.spider)) diff --git a/tests/test_spidermiddleware_referer.py b/tests/test_spidermiddleware_referer.py index 4945ac25d..01a87c645 100644 --- a/tests/test_spidermiddleware_referer.py +++ b/tests/test_spidermiddleware_referer.py @@ -5,6 +5,8 @@ from typing import Any from unittest import TestCase from urllib.parse import urlparse +import pytest + from scrapy.downloadermiddlewares.redirect import RedirectMiddleware from scrapy.http import Request, Response from scrapy.settings import Settings @@ -884,7 +886,7 @@ class TestSettingsPolicyByName(TestCase): def test_invalid_name(self): settings = Settings({"REFERRER_POLICY": "some-custom-unknown-policy"}) - with self.assertRaises(RuntimeError): + with pytest.raises(RuntimeError): RefererMiddleware(settings) def test_multiple_policy_tokens(self): @@ -925,7 +927,7 @@ class TestSettingsPolicyByName(TestCase): ) } ) - with self.assertRaises(RuntimeError): + with pytest.raises(RuntimeError): RefererMiddleware(settings) diff --git a/tests/test_spiderstate.py b/tests/test_spiderstate.py index 59d18d92e..72692afab 100644 --- a/tests/test_spiderstate.py +++ b/tests/test_spiderstate.py @@ -2,6 +2,7 @@ import shutil from datetime import datetime, timezone from tempfile import mkdtemp +import pytest from twisted.trial import unittest from scrapy.exceptions import NotConfigured @@ -42,4 +43,5 @@ class SpiderStateTest(unittest.TestCase): def test_not_configured(self): crawler = get_crawler(Spider) - self.assertRaises(NotConfigured, SpiderState.from_crawler, crawler) + with pytest.raises(NotConfigured): + SpiderState.from_crawler(crawler) diff --git a/tests/test_squeues.py b/tests/test_squeues.py index a2e7ae65d..8556b75dd 100644 --- a/tests/test_squeues.py +++ b/tests/test_squeues.py @@ -1,6 +1,7 @@ import pickle import sys +import pytest from queuelib.tests import test_queue as t from scrapy.http import Request @@ -30,10 +31,17 @@ class MyLoader(ItemLoader): def nonserializable_object_test(self): q = self.queue() - self.assertRaises(ValueError, q.push, lambda x: x) + with pytest.raises( + ValueError, + match="unmarshallable object|Can't (get|pickle) local object|Can't pickle .*: it's not found as", + ): + q.push(lambda x: x) # Selectors should fail (lxml.html.HtmlElement objects can't be pickled) sel = Selector(text="<html><body><p>some text</p></body></html>") - self.assertRaises(ValueError, q.push, sel) + with pytest.raises( + ValueError, match="unmarshallable object|can't pickle Selector objects" + ): + q.push(sel) class FifoDiskQueueTestMixin: diff --git a/tests/test_squeues_request.py b/tests/test_squeues_request.py index 04eeae4dc..88f6657d8 100644 --- a/tests/test_squeues_request.py +++ b/tests/test_squeues_request.py @@ -6,6 +6,7 @@ import shutil import tempfile import unittest +import pytest import queuelib from scrapy.http import Request @@ -69,9 +70,9 @@ class RequestQueueTestMixin: req = Request("http://www.example.com") q.push(req) self.assertEqual(len(q), 1) - with self.assertRaises( + with pytest.raises( NotImplementedError, - msg="The underlying queue class does not implement 'peek'", + match="The underlying queue class does not implement 'peek'", ): q.peek() self.assertEqual(q.pop().url, req.url) @@ -120,9 +121,9 @@ class FifoQueueMixin(RequestQueueTestMixin): q.push(req1) q.push(req2) q.push(req3) - with self.assertRaises( + with pytest.raises( NotImplementedError, - msg="The underlying queue class does not implement 'peek'", + match="The underlying queue class does not implement 'peek'", ): q.peek() self.assertEqual(len(q), 3) @@ -176,9 +177,9 @@ class LifoQueueMixin(RequestQueueTestMixin): q.push(req1) q.push(req2) q.push(req3) - with self.assertRaises( + with pytest.raises( NotImplementedError, - msg="The underlying queue class does not implement 'peek'", + match="The underlying queue class does not implement 'peek'", ): q.peek() self.assertEqual(len(q), 3) diff --git a/tests/test_utils_conf.py b/tests/test_utils_conf.py index cbea41129..e27bb7b74 100644 --- a/tests/test_utils_conf.py +++ b/tests/test_utils_conf.py @@ -1,5 +1,7 @@ import unittest +import pytest + from scrapy.exceptions import UsageError from scrapy.settings import BaseSettings, Settings from scrapy.utils.conf import ( @@ -32,7 +34,9 @@ class BuildComponentListTest(unittest.TestCase): ) # Same priority raises ValueError duplicate_bs.set("ONE", duplicate_bs["ONE"], priority=20) - with self.assertRaises(ValueError): + with pytest.raises( + ValueError, match="Some paths in .* convert to the same object" + ): build_component_list(duplicate_bs, convert=lambda x: x.lower()) def test_valid_numbers(self): @@ -58,21 +62,13 @@ class UtilsConfTestCase(unittest.TestCase): class FeedExportConfigTestCase(unittest.TestCase): def test_feed_export_config_invalid_format(self): settings = Settings() - self.assertRaises( - UsageError, - feed_process_params_from_cli, - settings, - ["items.dat"], - ) + with pytest.raises(UsageError): + feed_process_params_from_cli(settings, ["items.dat"]) def test_feed_export_config_mismatch(self): settings = Settings() - self.assertRaises( - UsageError, - feed_process_params_from_cli, - settings, - ["items1.dat", "items2.dat"], - ) + with pytest.raises(UsageError): + feed_process_params_from_cli(settings, ["items1.dat", "items2.dat"]) def test_feed_export_config_explicit_formats(self): settings = Settings() @@ -117,11 +113,9 @@ class FeedExportConfigTestCase(unittest.TestCase): ) def test_output_and_overwrite_output(self): - with self.assertRaises(UsageError): + with pytest.raises(UsageError): feed_process_params_from_cli( - Settings(), - ["output1.json"], - overwrite_output=["output2.json"], + Settings(), ["output1.json"], overwrite_output=["output2.json"] ) def test_feed_complete_default_values_from_settings_empty(self): diff --git a/tests/test_utils_curl.py b/tests/test_utils_curl.py index 5d99161bf..a5b438645 100644 --- a/tests/test_utils_curl.py +++ b/tests/test_utils_curl.py @@ -1,6 +1,7 @@ import unittest import warnings +import pytest from w3lib.http import basic_auth_header from scrapy import Request @@ -205,11 +206,11 @@ class CurlToRequestKwargsTest(unittest.TestCase): self.assertEqual(curl_to_request_kwargs(curl_command), expected_result) def test_too_few_arguments_error(self): - self.assertRaisesRegex( + with pytest.raises( ValueError, - r"too few arguments|the following arguments are required:\s*url", - lambda: curl_to_request_kwargs("curl"), - ) + match=r"too few arguments|the following arguments are required:\s*url", + ): + curl_to_request_kwargs("curl") def test_ignore_unknown_options(self): # case 1: ignore_unknown_options=True: @@ -220,16 +221,11 @@ class CurlToRequestKwargsTest(unittest.TestCase): self.assertEqual(curl_to_request_kwargs(curl_command), expected_result) # case 2: ignore_unknown_options=False (raise exception): - self.assertRaisesRegex( - ValueError, - "Unrecognized options:.*--bar.*--baz", - lambda: curl_to_request_kwargs( + with pytest.raises(ValueError, match="Unrecognized options:.*--bar.*--baz"): + curl_to_request_kwargs( "curl --bar --baz http://www.example.com", ignore_unknown_options=False - ), - ) + ) def test_must_start_with_curl_error(self): - self.assertRaises( - ValueError, - lambda: curl_to_request_kwargs("carl -X POST http://example.org"), - ) + with pytest.raises(ValueError, match="A curl command must start"): + curl_to_request_kwargs("carl -X POST http://example.org") diff --git a/tests/test_utils_datatypes.py b/tests/test_utils_datatypes.py index fadbc6daa..2e35d339a 100644 --- a/tests/test_utils_datatypes.py +++ b/tests/test_utils_datatypes.py @@ -87,8 +87,10 @@ class CaseInsensitiveDictMixin: def test_delete(self): d = self.dict_class({"key_lower": 1}) del d["key_LOWER"] - self.assertRaises(KeyError, d.__getitem__, "key_LOWER") - self.assertRaises(KeyError, d.__getitem__, "key_lower") + with pytest.raises(KeyError): + d["key_LOWER"] + with pytest.raises(KeyError): + d["key_lower"] @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_getdefault(self): @@ -138,7 +140,8 @@ class CaseInsensitiveDictMixin: d = self.dict_class() d["a"] = 1 self.assertEqual(d.pop("A"), 1) - self.assertRaises(KeyError, d.pop, "A") + with pytest.raises(KeyError): + d.pop("A") def test_normkey(self): class MyDict(self.dict_class): @@ -279,8 +282,8 @@ class SequenceExcludeTest(unittest.TestCase): self.assertIn(set("bar"), d) # supplied sequence is a set, so checking for list (non)inclusion fails - self.assertRaises(TypeError, (0, 1, 2) in d) - self.assertRaises(TypeError, d.__contains__, ["a", "b", "c"]) + with pytest.raises(TypeError): + ["a", "b", "c"] in d # noqa: B015 for v in [-3, "test", 1.1]: self.assertNotIn(v, d) diff --git a/tests/test_utils_deprecate.py b/tests/test_utils_deprecate.py index dc5fbd3c3..e917b6947 100644 --- a/tests/test_utils_deprecate.py +++ b/tests/test_utils_deprecate.py @@ -3,6 +3,8 @@ import unittest import warnings from unittest import mock +import pytest + from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.utils.deprecate import create_deprecated_class, update_classpath @@ -181,7 +183,8 @@ class WarnWhenSubclassedTest(unittest.TestCase): assert not issubclass(OutdatedUserClass1, OutdatedUserClass1a) assert not issubclass(OutdatedUserClass1a, OutdatedUserClass1) - self.assertRaises(TypeError, issubclass, object(), DeprecatedName) + with pytest.raises(TypeError): + issubclass(object(), DeprecatedName) def test_isinstance(self): with warnings.catch_warnings(): diff --git a/tests/test_utils_gz.py b/tests/test_utils_gz.py index 7b7a25db8..d40cae9c7 100644 --- a/tests/test_utils_gz.py +++ b/tests/test_utils_gz.py @@ -1,6 +1,8 @@ import unittest +from gzip import BadGzipFile from pathlib import Path +import pytest from w3lib.encoding import html_to_unicode from scrapy.http import Response @@ -27,9 +29,8 @@ class GunzipTest(unittest.TestCase): assert text.endswith(b"</html") def test_gunzip_no_gzip_file_raises(self): - self.assertRaises( - OSError, gunzip, (SAMPLEDIR / "feed-sample1.xml").read_bytes() - ) + with pytest.raises(BadGzipFile): + gunzip((SAMPLEDIR / "feed-sample1.xml").read_bytes()) def test_gunzip_truncated_short(self): r1 = Response( diff --git a/tests/test_utils_iterators.py b/tests/test_utils_iterators.py index 12507c6a3..9ad30617a 100644 --- a/tests/test_utils_iterators.py +++ b/tests/test_utils_iterators.py @@ -215,7 +215,7 @@ class XmliterBaseTestCase: """ response = XmlResponse(url="http://mydummycompany.com", body=body) my_iter = self.xmliter(response, "g:link_image") - with self.assertRaises(StopIteration): + with pytest.raises(StopIteration): next(my_iter) @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") @@ -228,13 +228,14 @@ class XmliterBaseTestCase: iter = self.xmliter(body, "product") next(iter) next(iter) - - self.assertRaises(StopIteration, next, iter) + with pytest.raises(StopIteration): + next(iter) @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter_objtype_exception(self): i = self.xmliter(42, "product") - self.assertRaises(TypeError, next, i) + with pytest.raises(TypeError): + next(i) @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter_encoding(self): @@ -344,7 +345,8 @@ class LxmlXmliterTestCase(XmliterBaseTestCase, unittest.TestCase): def test_xmliter_objtype_exception(self): i = self.xmliter(42, "product") - self.assertRaises(TypeError, next, i) + with pytest.raises(TypeError): + next(i) class UtilsCsvTestCase(unittest.TestCase): @@ -491,8 +493,8 @@ class UtilsCsvTestCase(unittest.TestCase): next(iter) next(iter) next(iter) - - self.assertRaises(StopIteration, next, iter) + with pytest.raises(StopIteration): + next(iter) def test_csviter_encoding(self): body1 = get_testdata("feeds", "feed-sample4.csv") diff --git a/tests/test_utils_misc/__init__.py b/tests/test_utils_misc/__init__.py index e25bdfe3f..a67e16962 100644 --- a/tests/test_utils_misc/__init__.py +++ b/tests/test_utils_misc/__init__.py @@ -32,9 +32,12 @@ class UtilsMiscTestCase(unittest.TestCase): self.assertIs(obj, load_object) def test_load_object_exceptions(self): - self.assertRaises(ImportError, load_object, "nomodule999.mod.function") - self.assertRaises(NameError, load_object, "scrapy.utils.misc.load_object999") - self.assertRaises(TypeError, load_object, {}) + with pytest.raises(ImportError): + load_object("nomodule999.mod.function") + with pytest.raises(NameError): + load_object("scrapy.utils.misc.load_object999") + with pytest.raises(TypeError): + load_object({}) def test_walk_modules(self): mods = walk_modules("tests.test_utils_misc.test_walk_modules") @@ -59,7 +62,8 @@ class UtilsMiscTestCase(unittest.TestCase): ] self.assertEqual({m.__name__ for m in mods}, set(expected)) - self.assertRaises(ImportError, walk_modules, "nomodule999") + with pytest.raises(ImportError): + walk_modules("nomodule999") def test_walk_modules_egg(self): egg = str(Path(__file__).parent / "test.egg") @@ -148,11 +152,13 @@ class UtilsMiscTestCase(unittest.TestCase): create_instance(m, None, crawler, *args, **kwargs) m.from_settings.assert_called_once_with(crawler.settings, *args, **kwargs) - with self.assertRaises(ValueError): + with pytest.raises( + ValueError, match="Specify at least one of settings and crawler" + ): create_instance(m, None, None) m.from_settings.return_value = None - with self.assertRaises(TypeError): + with pytest.raises(TypeError): create_instance(m, settings, None) def test_build_from_crawler(self): @@ -191,7 +197,7 @@ class UtilsMiscTestCase(unittest.TestCase): # Check adoption of crawler m = mock.MagicMock(spec_set=["__qualname__", "from_crawler"]) m.from_crawler.return_value = None - with self.assertRaises(TypeError): + with pytest.raises(TypeError): build_from_crawler(m, crawler, *args, **kwargs) def test_set_environ(self): diff --git a/tests/test_utils_python.py b/tests/test_utils_python.py index a693d6b53..3b0739276 100644 --- a/tests/test_utils_python.py +++ b/tests/test_utils_python.py @@ -87,7 +87,8 @@ class ToUnicodeTest(unittest.TestCase): self.assertEqual(to_unicode("\xf1e\xf1e\xf1e"), "\xf1e\xf1e\xf1e") def test_converting_a_strange_object_should_raise_TypeError(self): - self.assertRaises(TypeError, to_unicode, 423) + with pytest.raises(TypeError): + to_unicode(423) def test_errors_argument(self): self.assertEqual(to_unicode(b"a\xedb", "utf-8", errors="replace"), "a\ufffdb") @@ -104,7 +105,8 @@ class ToBytesTest(unittest.TestCase): self.assertEqual(to_bytes(b"lel\xf1e"), b"lel\xf1e") def test_converting_a_strange_object_should_raise_TypeError(self): - self.assertRaises(TypeError, to_bytes, unittest) + with pytest.raises(TypeError): + to_bytes(pytest) def test_errors_argument(self): self.assertEqual(to_bytes("a\ufffdb", "latin-1", errors="replace"), b"a?b") diff --git a/tests/test_utils_response.py b/tests/test_utils_response.py index c6ba8cbbb..af7906781 100644 --- a/tests/test_utils_response.py +++ b/tests/test_utils_response.py @@ -35,7 +35,8 @@ class ResponseUtilsTest(unittest.TestCase): assert open_in_browser(response, _openfunc=browser_open), "Browser not called" resp = Response(url, body=body) - self.assertRaises(TypeError, open_in_browser, resp, debug=True) + with pytest.raises(TypeError): + open_in_browser(resp, debug=True) # pylint: disable=unexpected-keyword-arg def test_get_meta_refresh(self): r1 = HtmlResponse( From 87db3f2fd6f9d365208a69a0de31181f1ea70e43 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Fri, 28 Feb 2025 15:18:55 +0500 Subject: [PATCH 405/786] Add SpiderLoaderProtocol. (#6694) --- scrapy/crawler.py | 10 ++++++---- scrapy/spiderloader.py | 19 ++++++++++++++++++- scrapy/utils/spider.py | 10 +++++----- 3 files changed, 29 insertions(+), 10 deletions(-) diff --git a/scrapy/crawler.py b/scrapy/crawler.py index 1873c90d3..1ec1e31dc 100644 --- a/scrapy/crawler.py +++ b/scrapy/crawler.py @@ -42,7 +42,7 @@ if TYPE_CHECKING: from collections.abc import Generator, Iterable from scrapy.logformatter import LogFormatter - from scrapy.spiderloader import SpiderLoader + from scrapy.spiderloader import SpiderLoaderProtocol from scrapy.statscollectors import StatsCollector from scrapy.utils.request import RequestFingerprinterProtocol @@ -282,19 +282,21 @@ class CrawlerRunner: ) @staticmethod - def _get_spider_loader(settings: BaseSettings) -> SpiderLoader: + def _get_spider_loader(settings: BaseSettings) -> SpiderLoaderProtocol: """Get SpiderLoader instance from settings""" cls_path = settings.get("SPIDER_LOADER_CLASS") loader_cls = load_object(cls_path) verifyClass(ISpiderLoader, loader_cls) - return cast("SpiderLoader", loader_cls.from_settings(settings.frozencopy())) + return cast( + "SpiderLoaderProtocol", loader_cls.from_settings(settings.frozencopy()) + ) def __init__(self, settings: dict[str, Any] | Settings | None = None): if isinstance(settings, dict) or settings is None: settings = Settings(settings) AddonManager.load_pre_crawler_settings(settings) self.settings: Settings = settings - self.spider_loader: SpiderLoader = self._get_spider_loader(settings) + self.spider_loader: SpiderLoaderProtocol = self._get_spider_loader(settings) self._crawlers: set[Crawler] = set() self._active: set[Deferred[None]] = set() self.bootstrap_failed = False diff --git a/scrapy/spiderloader.py b/scrapy/spiderloader.py index 210e729a1..f537e0593 100644 --- a/scrapy/spiderloader.py +++ b/scrapy/spiderloader.py @@ -3,7 +3,7 @@ from __future__ import annotations import traceback import warnings from collections import defaultdict -from typing import TYPE_CHECKING +from typing import TYPE_CHECKING, Protocol from zope.interface import implementer @@ -21,6 +21,23 @@ if TYPE_CHECKING: from scrapy.settings import BaseSettings +class SpiderLoaderProtocol(Protocol): + @classmethod + def from_settings(cls, settings: BaseSettings) -> Self: + """Return an instance of the class for the given settings""" + + def load(self, spider_name: str) -> type[Spider]: + """Return the Spider class for the given spider name. If the spider + name is not found, it must raise a KeyError.""" + + def list(self) -> list[str]: + """Return a list with the names of all spiders available in the + project""" + + def find_by_request(self, request: Request) -> __builtins__.list[str]: + """Return the list of spiders names that can handle the given request""" + + @implementer(ISpiderLoader) class SpiderLoader: """ diff --git a/scrapy/utils/spider.py b/scrapy/utils/spider.py index 5277a292c..74fd0e354 100644 --- a/scrapy/utils/spider.py +++ b/scrapy/utils/spider.py @@ -15,7 +15,7 @@ if TYPE_CHECKING: from twisted.internet.defer import Deferred from scrapy import Request - from scrapy.spiderloader import SpiderLoader + from scrapy.spiderloader import SpiderLoaderProtocol logger = logging.getLogger(__name__) @@ -64,7 +64,7 @@ def iter_spider_classes(module: ModuleType) -> Iterable[type[Spider]]: @overload def spidercls_for_request( - spider_loader: SpiderLoader, + spider_loader: SpiderLoaderProtocol, request: Request, default_spidercls: type[Spider], log_none: bool = ..., @@ -74,7 +74,7 @@ def spidercls_for_request( @overload def spidercls_for_request( - spider_loader: SpiderLoader, + spider_loader: SpiderLoaderProtocol, request: Request, default_spidercls: Literal[None], log_none: bool = ..., @@ -84,7 +84,7 @@ def spidercls_for_request( @overload def spidercls_for_request( - spider_loader: SpiderLoader, + spider_loader: SpiderLoaderProtocol, request: Request, *, log_none: bool = ..., @@ -93,7 +93,7 @@ def spidercls_for_request( def spidercls_for_request( - spider_loader: SpiderLoader, + spider_loader: SpiderLoaderProtocol, request: Request, default_spidercls: type[Spider] | None = None, log_none: bool = False, From a5731c1944d8aa7b1921c543b7ad616ad131853e Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Sun, 2 Mar 2025 21:04:12 +0500 Subject: [PATCH 406/786] Move most of the test utils inside tests. --- scrapy/utils/test.py | 28 +++++++++++++++ scrapy/utils/testproc.py | 9 +++++ scrapy/utils/testsite.py | 10 +++++- tests/test_command_fetch.py | 4 +-- tests/test_command_parse.py | 4 +-- tests/test_command_shell.py | 4 +-- tests/test_command_version.py | 2 +- tests/test_feedexport.py | 21 +++++++++-- tests/test_pipeline_files.py | 51 +++++++++++++++++++++++--- tests/utils/__init__.py | 0 tests/utils/testproc.py | 67 +++++++++++++++++++++++++++++++++++ tests/utils/testsite.py | 47 ++++++++++++++++++++++++ 12 files changed, 232 insertions(+), 15 deletions(-) create mode 100644 tests/utils/__init__.py create mode 100644 tests/utils/testproc.py create mode 100644 tests/utils/testsite.py diff --git a/scrapy/utils/test.py b/scrapy/utils/test.py index e89786103..db1f5c419 100644 --- a/scrapy/utils/test.py +++ b/scrapy/utils/test.py @@ -34,11 +34,23 @@ _T = TypeVar("_T") def assert_gcs_environ() -> None: + warnings.warn( + "The assert_gcs_environ() function is deprecated and will be removed in a future version of Scrapy." + " Check GCS_PROJECT_ID directly.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) if "GCS_PROJECT_ID" not in os.environ: raise SkipTest("GCS_PROJECT_ID not found") def skip_if_no_boto() -> None: + warnings.warn( + "The skip_if_no_boto() function is deprecated and will be removed in a future version of Scrapy." + " Check scrapy.utils.boto.is_botocore_available() directly.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) if not is_botocore_available(): raise SkipTest("missing botocore library") @@ -48,6 +60,11 @@ def get_gcs_content_and_delete( ) -> tuple[bytes, list[dict[str, str]], Any]: from google.cloud import storage + warnings.warn( + "The get_gcs_content_and_delete() function is deprecated and will be removed in a future version of Scrapy.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) client = storage.Client(project=os.environ.get("GCS_PROJECT_ID")) bucket = client.get_bucket(bucket) blob = bucket.get_blob(path) @@ -67,6 +84,11 @@ def get_ftp_content_and_delete( ) -> bytes: from ftplib import FTP + warnings.warn( + "The get_ftp_content_and_delete() function is deprecated and will be removed in a future version of Scrapy.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) ftp = FTP() ftp.connect(host, port) ftp.login(username, password) @@ -150,6 +172,12 @@ def mock_google_cloud_storage() -> tuple[Any, Any, Any]: """ from google.cloud.storage import Blob, Bucket, Client + warnings.warn( + "The mock_google_cloud_storage() function is deprecated and will be removed in a future version of Scrapy.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) + client_mock = mock.create_autospec(Client) bucket_mock = mock.create_autospec(Bucket) diff --git a/scrapy/utils/testproc.py b/scrapy/utils/testproc.py index 85d7c940f..10f764ab8 100644 --- a/scrapy/utils/testproc.py +++ b/scrapy/utils/testproc.py @@ -2,18 +2,27 @@ from __future__ import annotations import os import sys +import warnings from typing import TYPE_CHECKING, cast from twisted.internet.defer import Deferred from twisted.internet.error import ProcessTerminated from twisted.internet.protocol import ProcessProtocol +from scrapy.exceptions import ScrapyDeprecationWarning + if TYPE_CHECKING: from collections.abc import Iterable from twisted.python.failure import Failure +warnings.warn( + "The scrapy.utils.testproc module is deprecated.", + ScrapyDeprecationWarning, +) + + class ProcessTest: command: str | None = None prefix = [sys.executable, "-m", "scrapy.cmdline"] diff --git a/scrapy/utils/testsite.py b/scrapy/utils/testsite.py index ca1f68116..f12b301fd 100644 --- a/scrapy/utils/testsite.py +++ b/scrapy/utils/testsite.py @@ -1,7 +1,15 @@ +import warnings from urllib.parse import urljoin from twisted.web import resource, server, static, util +from scrapy.exceptions import ScrapyDeprecationWarning + +warnings.warn( + "The scrapy.utils.testsite module is deprecated.", + ScrapyDeprecationWarning, +) + class SiteTest: def setUp(self): @@ -48,7 +56,7 @@ def test_site(): if __name__ == "__main__": - from twisted.internet import reactor + from twisted.internet import reactor # pylint: disable=ungrouped-imports port = reactor.listenTCP(0, test_site(), interface="127.0.0.1") print(f"http://localhost:{port.getHost().port}/") diff --git a/tests/test_command_fetch.py b/tests/test_command_fetch.py index d2027d1c2..a4d7fdd30 100644 --- a/tests/test_command_fetch.py +++ b/tests/test_command_fetch.py @@ -1,8 +1,8 @@ from twisted.internet import defer from twisted.trial import unittest -from scrapy.utils.testproc import ProcessTest -from scrapy.utils.testsite import SiteTest +from tests.utils.testproc import ProcessTest +from tests.utils.testsite import SiteTest class FetchTest(ProcessTest, SiteTest, unittest.TestCase): diff --git a/tests/test_command_parse.py b/tests/test_command_parse.py index 9356d6b79..9f2c7fa13 100644 --- a/tests/test_command_parse.py +++ b/tests/test_command_parse.py @@ -7,9 +7,9 @@ from twisted.internet import defer from scrapy.commands import parse from scrapy.settings import Settings from scrapy.utils.python import to_unicode -from scrapy.utils.testproc import ProcessTest -from scrapy.utils.testsite import SiteTest from tests.test_commands import CommandTest +from tests.utils.testproc import ProcessTest +from tests.utils.testsite import SiteTest def _textmode(bstr): diff --git a/tests/test_command_shell.py b/tests/test_command_shell.py index 7918d94b2..9ca5e05dc 100644 --- a/tests/test_command_shell.py +++ b/tests/test_command_shell.py @@ -7,10 +7,10 @@ from pexpect.popen_spawn import PopenSpawn from twisted.internet import defer from twisted.trial import unittest -from scrapy.utils.testproc import ProcessTest -from scrapy.utils.testsite import SiteTest from tests import NON_EXISTING_RESOLVABLE, tests_datadir from tests.mockserver import MockServer +from tests.utils.testproc import ProcessTest +from tests.utils.testsite import SiteTest class ShellTest(ProcessTest, SiteTest, unittest.TestCase): diff --git a/tests/test_command_version.py b/tests/test_command_version.py index 18c1c531c..917f457cb 100644 --- a/tests/test_command_version.py +++ b/tests/test_command_version.py @@ -4,7 +4,7 @@ from twisted.internet import defer from twisted.trial import unittest import scrapy -from scrapy.utils.testproc import ProcessTest +from tests.utils.testproc import ProcessTest class VersionTest(ProcessTest, unittest.TestCase): diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py index b4c1b9631..8e008ab98 100644 --- a/tests/test_feedexport.py +++ b/tests/test_feedexport.py @@ -17,7 +17,7 @@ from io import BytesIO from logging import getLogger from pathlib import Path from string import ascii_letters, digits -from typing import TYPE_CHECKING +from typing import TYPE_CHECKING, Any from unittest import mock from urllib.parse import quote, urljoin from urllib.request import pathname2url @@ -48,7 +48,7 @@ from scrapy.extensions.feedexport import ( ) from scrapy.settings import Settings from scrapy.utils.python import to_unicode -from scrapy.utils.test import get_crawler, mock_google_cloud_storage +from scrapy.utils.test import get_crawler from tests.mockserver import MockFTPServer, MockServer from tests.spiders import ItemSpider @@ -71,6 +71,23 @@ def build_url(path: str | PathLike) -> str: return urljoin("file:", path_str) +def mock_google_cloud_storage() -> tuple[Any, Any, Any]: + """Creates autospec mocks for google-cloud-storage Client, Bucket and Blob + classes and set their proper return values. + """ + from google.cloud.storage import Blob, Bucket, Client + + client_mock = mock.create_autospec(Client) + + bucket_mock = mock.create_autospec(Bucket) + client_mock.get_bucket.return_value = bucket_mock + + blob_mock = mock.create_autospec(Blob) + bucket_mock.blob.return_value = blob_mock + + return (client_mock, bucket_mock, blob_mock) + + class FileFeedStorageTest(unittest.TestCase): def test_store_file_uri(self): path = Path(self.mktemp()).resolve() diff --git a/tests/test_pipeline_files.py b/tests/test_pipeline_files.py index 4c59fcfb7..05fd17207 100644 --- a/tests/test_pipeline_files.py +++ b/tests/test_pipeline_files.py @@ -6,8 +6,10 @@ import warnings from datetime import datetime from io import BytesIO from pathlib import Path +from posixpath import split from shutil import rmtree from tempfile import mkdtemp +from typing import Any from unittest import mock from urllib.parse import urlparse @@ -27,16 +29,54 @@ from scrapy.pipelines.files import ( S3FilesStore, ) from scrapy.utils.test import ( - assert_gcs_environ, get_crawler, - get_ftp_content_and_delete, - get_gcs_content_and_delete, ) from tests.mockserver import MockFTPServer from .test_pipeline_media import _mocked_download_func +def get_gcs_content_and_delete( + bucket: Any, path: str +) -> tuple[bytes, list[dict[str, str]], Any]: + from google.cloud import storage + + client = storage.Client(project=os.environ.get("GCS_PROJECT_ID")) + bucket = client.get_bucket(bucket) + blob = bucket.get_blob(path) + content = blob.download_as_string() + acl = list(blob.acl) # loads acl before it will be deleted + bucket.delete_blob(path) + return content, acl, blob + + +def get_ftp_content_and_delete( + path: str, + host: str, + port: int, + username: str, + password: str, + use_active_mode: bool = False, +) -> bytes: + from ftplib import FTP + + ftp = FTP() + ftp.connect(host, port) + ftp.login(username, password) + if use_active_mode: + ftp.set_pasv(False) + ftp_data: list[bytes] = [] + + def buffer_data(data: bytes) -> None: + ftp_data.append(data) + + ftp.retrbinary(f"RETR {path}", buffer_data) + dirname, filename = split(path) + ftp.cwd(dirname) + ftp.delete(filename) + return b"".join(ftp_data) + + class FilesPipelineTestCase(unittest.TestCase): def setUp(self): self.tempdir = mkdtemp() @@ -597,10 +637,12 @@ class TestS3FilesStore(unittest.TestCase): stub.assert_no_pending_responses() +@pytest.mark.skipif( + "GCS_PROJECT_ID" not in os.environ, reason="GCS_PROJECT_ID not found" +) class TestGCSFilesStore(unittest.TestCase): @defer.inlineCallbacks def test_persist(self): - assert_gcs_environ() uri = os.environ.get("GCS_TEST_FILE_URI") if not uri: raise unittest.SkipTest("No GCS URI available for testing") @@ -629,7 +671,6 @@ class TestGCSFilesStore(unittest.TestCase): """Test to make sure that paths used to store files is the same as the one used to get already uploaded files. """ - assert_gcs_environ() try: import google.cloud.storage # noqa: F401 except ModuleNotFoundError: diff --git a/tests/utils/__init__.py b/tests/utils/__init__.py new file mode 100644 index 000000000..e69de29bb diff --git a/tests/utils/testproc.py b/tests/utils/testproc.py new file mode 100644 index 000000000..85d7c940f --- /dev/null +++ b/tests/utils/testproc.py @@ -0,0 +1,67 @@ +from __future__ import annotations + +import os +import sys +from typing import TYPE_CHECKING, cast + +from twisted.internet.defer import Deferred +from twisted.internet.error import ProcessTerminated +from twisted.internet.protocol import ProcessProtocol + +if TYPE_CHECKING: + from collections.abc import Iterable + + from twisted.python.failure import Failure + + +class ProcessTest: + command: str | None = None + prefix = [sys.executable, "-m", "scrapy.cmdline"] + cwd = os.getcwd() # trial chdirs to temp dir # noqa: PTH109 + + def execute( + self, + args: Iterable[str], + check_code: bool = True, + settings: str | None = None, + ) -> Deferred[TestProcessProtocol]: + from twisted.internet import reactor + + env = os.environ.copy() + if settings is not None: + env["SCRAPY_SETTINGS_MODULE"] = settings + assert self.command + cmd = [*self.prefix, self.command, *args] + pp = TestProcessProtocol() + pp.deferred.addCallback(self._process_finished, cmd, check_code) + reactor.spawnProcess(pp, cmd[0], cmd, env=env, path=self.cwd) + return pp.deferred + + def _process_finished( + self, pp: TestProcessProtocol, cmd: list[str], check_code: bool + ) -> tuple[int, bytes, bytes]: + if pp.exitcode and check_code: + msg = f"process {cmd} exit with code {pp.exitcode}" + msg += f"\n>>> stdout <<<\n{pp.out.decode()}" + msg += "\n" + msg += f"\n>>> stderr <<<\n{pp.err.decode()}" + raise RuntimeError(msg) + return cast(int, pp.exitcode), pp.out, pp.err + + +class TestProcessProtocol(ProcessProtocol): + def __init__(self) -> None: + self.deferred: Deferred[TestProcessProtocol] = Deferred() + self.out: bytes = b"" + self.err: bytes = b"" + self.exitcode: int | None = None + + def outReceived(self, data: bytes) -> None: + self.out += data + + def errReceived(self, data: bytes) -> None: + self.err += data + + def processEnded(self, status: Failure) -> None: + self.exitcode = cast(ProcessTerminated, status.value).exitCode + self.deferred.callback(self) diff --git a/tests/utils/testsite.py b/tests/utils/testsite.py new file mode 100644 index 000000000..473738773 --- /dev/null +++ b/tests/utils/testsite.py @@ -0,0 +1,47 @@ +from urllib.parse import urljoin + +from twisted.web import resource, server, static, util + + +class SiteTest: + def setUp(self): + from twisted.internet import reactor + + super().setUp() + self.site = reactor.listenTCP(0, test_site(), interface="127.0.0.1") + self.baseurl = f"http://localhost:{self.site.getHost().port}/" + + def tearDown(self): + super().tearDown() + self.site.stopListening() + + def url(self, path: str) -> str: + return urljoin(self.baseurl, path) + + +class NoMetaRefreshRedirect(util.Redirect): + def render(self, request: server.Request) -> bytes: + content = util.Redirect.render(self, request) + return content.replace( + b'http-equiv="refresh"', b'http-no-equiv="do-not-refresh-me"' + ) + + +def test_site(): + r = resource.Resource() + r.putChild(b"text", static.Data(b"Works", "text/plain")) + r.putChild( + b"html", + static.Data( + b"<body><p class='one'>Works</p><p class='two'>World</p></body>", + "text/html", + ), + ) + r.putChild( + b"enc-gb18030", + static.Data(b"<p>gb18030 encoding</p>", "text/html; charset=gb18030"), + ) + r.putChild(b"redirect", util.Redirect(b"/redirected")) + r.putChild(b"redirect-no-meta-refresh", NoMetaRefreshRedirect(b"/redirected")) + r.putChild(b"redirected", static.Data(b"Redirected here", "text/plain")) + return server.Site(r) From 93c076047bf5e3169feb2c29aca24e71bab0f8f0 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Sun, 2 Mar 2025 21:19:24 +0500 Subject: [PATCH 407/786] Add scrapy/utils/testproc.py to collect_ignore to silence a warning. --- conftest.py | 1 + 1 file changed, 1 insertion(+) diff --git a/conftest.py b/conftest.py index a08ad9d05..f33ffb1a4 100644 --- a/conftest.py +++ b/conftest.py @@ -13,6 +13,7 @@ def _py_files(folder): collect_ignore = [ # not a test, but looks like a test + "scrapy/utils/testproc.py", "scrapy/utils/testsite.py", "tests/ftpserver.py", "tests/mockserver.py", From d161d1d47d445272cba35ed81eec068ed4be8b1a Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 4 Mar 2025 13:31:26 +0500 Subject: [PATCH 408/786] Convert tests/test_utils* to plain asserts. (#6695) --- tests/test_utils_asyncgen.py | 6 +- tests/test_utils_asyncio.py | 9 +- tests/test_utils_conf.py | 126 +++---- tests/test_utils_console.py | 20 +- tests/test_utils_curl.py | 11 +- tests/test_utils_datatypes.py | 207 ++++++----- tests/test_utils_defer.py | 46 ++- tests/test_utils_deprecate.py | 83 +++-- tests/test_utils_display.py | 20 +- tests/test_utils_gz.py | 19 +- tests/test_utils_httpobj.py | 3 +- tests/test_utils_iterators.py | 274 +++++++-------- tests/test_utils_log.py | 43 ++- tests/test_utils_misc/__init__.py | 51 ++- ...t_return_with_argument_inside_generator.py | 63 ++-- tests/test_utils_project.py | 13 +- tests/test_utils_python.py | 113 +++--- tests/test_utils_request.py | 106 +++--- tests/test_utils_response.py | 27 +- tests/test_utils_serialize.py | 27 +- tests/test_utils_signal.py | 22 +- tests/test_utils_sitemap.py | 178 +++++----- tests/test_utils_spider.py | 14 +- tests/test_utils_template.py | 11 +- tests/test_utils_trackref.py | 42 ++- tests/test_utils_url.py | 323 +++++++----------- 26 files changed, 835 insertions(+), 1022 deletions(-) diff --git a/tests/test_utils_asyncgen.py b/tests/test_utils_asyncgen.py index 8adeea5c0..9b5a25b3a 100644 --- a/tests/test_utils_asyncgen.py +++ b/tests/test_utils_asyncgen.py @@ -4,15 +4,15 @@ from scrapy.utils.asyncgen import as_async_generator, collect_asyncgen from scrapy.utils.defer import deferred_f_from_coro_f -class AsyncgenUtilsTest(unittest.TestCase): +class TestAsyncgenUtils(unittest.TestCase): @deferred_f_from_coro_f async def test_as_async_generator(self): ag = as_async_generator(range(42)) results = [i async for i in ag] - self.assertEqual(results, list(range(42))) + assert results == list(range(42)) @deferred_f_from_coro_f async def test_collect_asyncgen(self): ag = as_async_generator(range(42)) results = await collect_asyncgen(ag) - self.assertEqual(results, list(range(42))) + assert results == list(range(42)) diff --git a/tests/test_utils_asyncio.py b/tests/test_utils_asyncio.py index ecac0df9c..a65a36219 100644 --- a/tests/test_utils_asyncio.py +++ b/tests/test_utils_asyncio.py @@ -2,7 +2,6 @@ import asyncio import warnings import pytest -from twisted.trial.unittest import TestCase from scrapy.utils.defer import deferred_f_from_coro_f from scrapy.utils.reactor import ( @@ -13,19 +12,17 @@ from scrapy.utils.reactor import ( @pytest.mark.usefixtures("reactor_pytest") -class AsyncioTest(TestCase): +class TestAsyncio: def test_is_asyncio_reactor_installed(self): # the result should depend only on the pytest --reactor argument - self.assertEqual( - is_asyncio_reactor_installed(), self.reactor_pytest == "asyncio" - ) + assert is_asyncio_reactor_installed() == (self.reactor_pytest == "asyncio") def test_install_asyncio_reactor(self): from twisted.internet import reactor as original_reactor with warnings.catch_warnings(record=True) as w: install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") - self.assertEqual(len(w), 0) + assert len(w) == 0 from twisted.internet import reactor # pylint: disable=reimported assert original_reactor == reactor diff --git a/tests/test_utils_conf.py b/tests/test_utils_conf.py index e27bb7b74..26f158380 100644 --- a/tests/test_utils_conf.py +++ b/tests/test_utils_conf.py @@ -1,5 +1,3 @@ -import unittest - import pytest from scrapy.exceptions import UsageError @@ -12,26 +10,24 @@ from scrapy.utils.conf import ( ) -class BuildComponentListTest(unittest.TestCase): +class TestBuildComponentList: def test_build_dict(self): d = {"one": 1, "two": None, "three": 8, "four": 4} - self.assertEqual( - build_component_list(d, convert=lambda x: x), ["one", "four", "three"] - ) + assert build_component_list(d, convert=lambda x: x) == ["one", "four", "three"] def test_duplicate_components_in_basesettings(self): # Higher priority takes precedence duplicate_bs = BaseSettings({"one": 1, "two": 2}, priority=0) duplicate_bs.set("ONE", 4, priority=10) - self.assertEqual( - build_component_list(duplicate_bs, convert=lambda x: x.lower()), - ["two", "one"], - ) + assert build_component_list(duplicate_bs, convert=lambda x: x.lower()) == [ + "two", + "one", + ] duplicate_bs.set("one", duplicate_bs["one"], priority=20) - self.assertEqual( - build_component_list(duplicate_bs, convert=lambda x: x.lower()), - ["one", "two"], - ) + assert build_component_list(duplicate_bs, convert=lambda x: x.lower()) == [ + "one", + "two", + ] # Same priority raises ValueError duplicate_bs.set("ONE", duplicate_bs["ONE"], priority=20) with pytest.raises( @@ -42,24 +38,24 @@ class BuildComponentListTest(unittest.TestCase): def test_valid_numbers(self): # work well with None and numeric values d = {"a": 10, "b": None, "c": 15, "d": 5.0} - self.assertEqual(build_component_list(d, convert=lambda x: x), ["d", "a", "c"]) + assert build_component_list(d, convert=lambda x: x) == ["d", "a", "c"] d = { "a": 33333333333333333333, "b": 11111111111111111111, "c": 22222222222222222222, } - self.assertEqual(build_component_list(d, convert=lambda x: x), ["b", "c", "a"]) + assert build_component_list(d, convert=lambda x: x) == ["b", "c", "a"] -class UtilsConfTestCase(unittest.TestCase): +class TestUtilsConf: def test_arglist_to_dict(self): - self.assertEqual( - arglist_to_dict(["arg1=val1", "arg2=val2"]), - {"arg1": "val1", "arg2": "val2"}, - ) + assert arglist_to_dict(["arg1=val1", "arg2=val2"]) == { + "arg1": "val1", + "arg2": "val2", + } -class FeedExportConfigTestCase(unittest.TestCase): +class TestFeedExportConfig: def test_feed_export_config_invalid_format(self): settings = Settings() with pytest.raises(UsageError): @@ -72,44 +68,36 @@ class FeedExportConfigTestCase(unittest.TestCase): def test_feed_export_config_explicit_formats(self): settings = Settings() - self.assertEqual( - { - "items_1.dat": {"format": "json"}, - "items_2.dat": {"format": "xml"}, - "items_3.dat": {"format": "csv"}, - }, - feed_process_params_from_cli( - settings, ["items_1.dat:json", "items_2.dat:xml", "items_3.dat:csv"] - ), + assert { + "items_1.dat": {"format": "json"}, + "items_2.dat": {"format": "xml"}, + "items_3.dat": {"format": "csv"}, + } == feed_process_params_from_cli( + settings, ["items_1.dat:json", "items_2.dat:xml", "items_3.dat:csv"] ) def test_feed_export_config_implicit_formats(self): settings = Settings() - self.assertEqual( - { - "items_1.json": {"format": "json"}, - "items_2.xml": {"format": "xml"}, - "items_3.csv": {"format": "csv"}, - }, - feed_process_params_from_cli( - settings, ["items_1.json", "items_2.xml", "items_3.csv"] - ), + assert { + "items_1.json": {"format": "json"}, + "items_2.xml": {"format": "xml"}, + "items_3.csv": {"format": "csv"}, + } == feed_process_params_from_cli( + settings, ["items_1.json", "items_2.xml", "items_3.csv"] ) def test_feed_export_config_stdout(self): settings = Settings() - self.assertEqual( - {"stdout:": {"format": "pickle"}}, - feed_process_params_from_cli(settings, ["-:pickle"]), + assert {"stdout:": {"format": "pickle"}} == feed_process_params_from_cli( + settings, ["-:pickle"] ) def test_feed_export_config_overwrite(self): settings = Settings() - self.assertEqual( - {"output.json": {"format": "json", "overwrite": True}}, - feed_process_params_from_cli( - settings, [], overwrite_output=["output.json"] - ), + assert { + "output.json": {"format": "json", "overwrite": True} + } == feed_process_params_from_cli( + settings, [], overwrite_output=["output.json"] ) def test_output_and_overwrite_output(self): @@ -131,18 +119,15 @@ class FeedExportConfigTestCase(unittest.TestCase): } ) new_feed = feed_complete_default_values_from_settings(feed, settings) - self.assertEqual( - new_feed, - { - "encoding": "custom encoding", - "fields": ["f1", "f2", "f3"], - "indent": 42, - "store_empty": True, - "uri_params": (1, 2, 3, 4), - "batch_item_count": 2, - "item_export_kwargs": {}, - }, - ) + assert new_feed == { + "encoding": "custom encoding", + "fields": ["f1", "f2", "f3"], + "indent": 42, + "store_empty": True, + "uri_params": (1, 2, 3, 4), + "batch_item_count": 2, + "item_export_kwargs": {}, + } def test_feed_complete_default_values_from_settings_non_empty(self): feed = { @@ -159,15 +144,12 @@ class FeedExportConfigTestCase(unittest.TestCase): } ) new_feed = feed_complete_default_values_from_settings(feed, settings) - self.assertEqual( - new_feed, - { - "encoding": "other encoding", - "fields": None, - "indent": 42, - "store_empty": True, - "uri_params": None, - "batch_item_count": 2, - "item_export_kwargs": {}, - }, - ) + assert new_feed == { + "encoding": "other encoding", + "fields": None, + "indent": 42, + "store_empty": True, + "uri_params": None, + "batch_item_count": 2, + "item_export_kwargs": {}, + } diff --git a/tests/test_utils_console.py b/tests/test_utils_console.py index 0bc86e1b9..6598bdce7 100644 --- a/tests/test_utils_console.py +++ b/tests/test_utils_console.py @@ -1,4 +1,4 @@ -import unittest +import pytest from scrapy.utils.console import get_shell_embed_func @@ -18,23 +18,23 @@ except ImportError: ipy = False -class UtilsConsoleTestCase(unittest.TestCase): +class TestUtilsConsole: def test_get_shell_embed_func(self): shell = get_shell_embed_func(["invalid"]) - self.assertEqual(shell, None) + assert shell is None shell = get_shell_embed_func(["invalid", "python"]) - self.assertTrue(callable(shell)) - self.assertEqual(shell.__name__, "_embed_standard_shell") + assert callable(shell) + assert shell.__name__ == "_embed_standard_shell" - @unittest.skipIf(not bpy, "bpython not available in testenv") + @pytest.mark.skipif(not bpy, reason="bpython not available in testenv") def test_get_shell_embed_func2(self): shell = get_shell_embed_func(["bpython"]) - self.assertTrue(callable(shell)) - self.assertEqual(shell.__name__, "_embed_bpython_shell") + assert callable(shell) + assert shell.__name__ == "_embed_bpython_shell" - @unittest.skipIf(not ipy, "IPython not available in testenv") + @pytest.mark.skipif(not ipy, reason="IPython not available in testenv") def test_get_shell_embed_func3(self): # default shell should be 'ipython' shell = get_shell_embed_func() - self.assertEqual(shell.__name__, "_embed_ipython_shell") + assert shell.__name__ == "_embed_ipython_shell" diff --git a/tests/test_utils_curl.py b/tests/test_utils_curl.py index a5b438645..e8dd88049 100644 --- a/tests/test_utils_curl.py +++ b/tests/test_utils_curl.py @@ -1,4 +1,3 @@ -import unittest import warnings import pytest @@ -8,16 +7,16 @@ from scrapy import Request from scrapy.utils.curl import curl_to_request_kwargs -class CurlToRequestKwargsTest(unittest.TestCase): +class TestCurlToRequestKwargs: maxDiff = 5000 def _test_command(self, curl_command, expected_result): result = curl_to_request_kwargs(curl_command) - self.assertEqual(result, expected_result) + assert result == expected_result try: Request(**result) except TypeError as e: - self.fail(f"Request kwargs are not correct {e}") + pytest.fail(f"Request kwargs are not correct {e}") def test_get(self): curl_command = "curl http://example.org/" @@ -203,7 +202,7 @@ class CurlToRequestKwargsTest(unittest.TestCase): def test_get_silent(self): curl_command = 'curl --silent "www.example.com"' expected_result = {"method": "GET", "url": "http://www.example.com"} - self.assertEqual(curl_to_request_kwargs(curl_command), expected_result) + assert curl_to_request_kwargs(curl_command) == expected_result def test_too_few_arguments_error(self): with pytest.raises( @@ -218,7 +217,7 @@ class CurlToRequestKwargsTest(unittest.TestCase): warnings.simplefilter("ignore") curl_command = "curl --bar --baz http://www.example.com" expected_result = {"method": "GET", "url": "http://www.example.com"} - self.assertEqual(curl_to_request_kwargs(curl_command), expected_result) + assert curl_to_request_kwargs(curl_command) == expected_result # case 2: ignore_unknown_options=False (raise exception): with pytest.raises(ValueError, match="Unrecognized options:.*--bar.*--baz"): diff --git a/tests/test_utils_datatypes.py b/tests/test_utils_datatypes.py index 2e35d339a..75b6b0e99 100644 --- a/tests/test_utils_datatypes.py +++ b/tests/test_utils_datatypes.py @@ -1,5 +1,4 @@ import copy -import unittest import warnings from collections.abc import Iterator, Mapping, MutableMapping @@ -17,18 +16,18 @@ from scrapy.utils.datatypes import ( from scrapy.utils.python import garbage_collect -class CaseInsensitiveDictMixin: +class CaseInsensitiveDictBase: def test_init_dict(self): seq = {"red": 1, "black": 3} d = self.dict_class(seq) - self.assertEqual(d["red"], 1) - self.assertEqual(d["black"], 3) + assert d["red"] == 1 + assert d["black"] == 3 def test_init_pair_sequence(self): seq = (("red", 1), ("black", 3)) d = self.dict_class(seq) - self.assertEqual(d["red"], 1) - self.assertEqual(d["black"], 3) + assert d["red"] == 1 + assert d["black"] == 3 def test_init_mapping(self): class MyMapping(Mapping): @@ -46,8 +45,8 @@ class CaseInsensitiveDictMixin: seq = MyMapping(red=1, black=3) d = self.dict_class(seq) - self.assertEqual(d["red"], 1) - self.assertEqual(d["black"], 3) + assert d["red"] == 1 + assert d["black"] == 3 def test_init_mutable_mapping(self): class MyMutableMapping(MutableMapping): @@ -71,18 +70,18 @@ class CaseInsensitiveDictMixin: seq = MyMutableMapping(red=1, black=3) d = self.dict_class(seq) - self.assertEqual(d["red"], 1) - self.assertEqual(d["black"], 3) + assert d["red"] == 1 + assert d["black"] == 3 def test_caseless(self): d = self.dict_class() d["key_Lower"] = 1 - self.assertEqual(d["KEy_loWer"], 1) - self.assertEqual(d.get("KEy_loWer"), 1) + assert d["KEy_loWer"] == 1 + assert d.get("KEy_loWer") == 1 d["KEY_LOWER"] = 3 - self.assertEqual(d["key_Lower"], 3) - self.assertEqual(d.get("key_Lower"), 3) + assert d["key_Lower"] == 3 + assert d.get("key_Lower") == 3 def test_delete(self): d = self.dict_class({"key_lower": 1}) @@ -95,41 +94,41 @@ class CaseInsensitiveDictMixin: @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_getdefault(self): d = CaselessDict() - self.assertEqual(d.get("c", 5), 5) + assert d.get("c", 5) == 5 d["c"] = 10 - self.assertEqual(d.get("c", 5), 10) + assert d.get("c", 5) == 10 @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_setdefault(self): d = CaselessDict({"a": 1, "b": 2}) r = d.setdefault("A", 5) - self.assertEqual(r, 1) - self.assertEqual(d["A"], 1) + assert r == 1 + assert d["A"] == 1 r = d.setdefault("c", 5) - self.assertEqual(r, 5) - self.assertEqual(d["C"], 5) + assert r == 5 + assert d["C"] == 5 def test_fromkeys(self): keys = ("a", "b") d = self.dict_class.fromkeys(keys) - self.assertEqual(d["A"], None) - self.assertEqual(d["B"], None) + assert d["A"] is None + assert d["B"] is None d = self.dict_class.fromkeys(keys, 1) - self.assertEqual(d["A"], 1) - self.assertEqual(d["B"], 1) + assert d["A"] == 1 + assert d["B"] == 1 instance = self.dict_class() d = instance.fromkeys(keys) - self.assertEqual(d["A"], None) - self.assertEqual(d["B"], None) + assert d["A"] is None + assert d["B"] is None d = instance.fromkeys(keys, 1) - self.assertEqual(d["A"], 1) - self.assertEqual(d["B"], 1) + assert d["A"] == 1 + assert d["B"] == 1 def test_contains(self): d = self.dict_class() @@ -139,7 +138,7 @@ class CaseInsensitiveDictMixin: def test_pop(self): d = self.dict_class() d["a"] = 1 - self.assertEqual(d.pop("A"), 1) + assert d.pop("A") == 1 with pytest.raises(KeyError): d.pop("A") @@ -152,7 +151,7 @@ class CaseInsensitiveDictMixin: d = MyDict() d["key-one"] = 2 - self.assertEqual(list(d.keys()), ["Key-One"]) + assert list(d.keys()) == ["Key-One"] def test_normvalue(self): class MyDict(self.dict_class): @@ -164,62 +163,60 @@ class CaseInsensitiveDictMixin: normvalue = _normvalue # deprecated CaselessDict class d = MyDict({"key": 1}) - self.assertEqual(d["key"], 2) - self.assertEqual(d.get("key"), 2) + assert d["key"] == 2 + assert d.get("key") == 2 d = MyDict() d["key"] = 1 - self.assertEqual(d["key"], 2) - self.assertEqual(d.get("key"), 2) + assert d["key"] == 2 + assert d.get("key") == 2 d = MyDict() d.setdefault("key", 1) - self.assertEqual(d["key"], 2) - self.assertEqual(d.get("key"), 2) + assert d["key"] == 2 + assert d.get("key") == 2 d = MyDict() d.update({"key": 1}) - self.assertEqual(d["key"], 2) - self.assertEqual(d.get("key"), 2) + assert d["key"] == 2 + assert d.get("key") == 2 d = MyDict.fromkeys(("key",), 1) - self.assertEqual(d["key"], 2) - self.assertEqual(d.get("key"), 2) + assert d["key"] == 2 + assert d.get("key") == 2 def test_copy(self): h1 = self.dict_class({"header1": "value"}) h2 = copy.copy(h1) assert isinstance(h2, self.dict_class) - self.assertEqual(h1, h2) - self.assertEqual(h1.get("header1"), h2.get("header1")) - self.assertEqual(h1.get("header1"), h2.get("HEADER1")) + assert h1 == h2 + assert h1.get("header1") == h2.get("header1") + assert h1.get("header1") == h2.get("HEADER1") h3 = h1.copy() assert isinstance(h3, self.dict_class) - self.assertEqual(h1, h3) - self.assertEqual(h1.get("header1"), h3.get("header1")) - self.assertEqual(h1.get("header1"), h3.get("HEADER1")) + assert h1 == h3 + assert h1.get("header1") == h3.get("header1") + assert h1.get("header1") == h3.get("HEADER1") -class CaseInsensitiveDictTest(CaseInsensitiveDictMixin, unittest.TestCase): +class TestCaseInsensitiveDict(CaseInsensitiveDictBase): dict_class = CaseInsensitiveDict def test_repr(self): d1 = self.dict_class({"foo": "bar"}) - self.assertEqual(repr(d1), "<CaseInsensitiveDict: {'foo': 'bar'}>") + assert repr(d1) == "<CaseInsensitiveDict: {'foo': 'bar'}>" d2 = self.dict_class({"AsDf": "QwErTy", "FoO": "bAr"}) - self.assertEqual( - repr(d2), "<CaseInsensitiveDict: {'AsDf': 'QwErTy', 'FoO': 'bAr'}>" - ) + assert repr(d2) == "<CaseInsensitiveDict: {'AsDf': 'QwErTy', 'FoO': 'bAr'}>" def test_iter(self): d = self.dict_class({"AsDf": "QwErTy", "FoO": "bAr"}) iterkeys = iter(d) - self.assertIsInstance(iterkeys, Iterator) - self.assertEqual(list(iterkeys), ["AsDf", "FoO"]) + assert isinstance(iterkeys, Iterator) + assert list(iterkeys) == ["AsDf", "FoO"] @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") -class CaselessDictTest(CaseInsensitiveDictMixin, unittest.TestCase): +class TestCaselessDict(CaseInsensitiveDictBase): dict_class = CaselessDict def test_deprecation_message(self): @@ -227,93 +224,93 @@ class CaselessDictTest(CaseInsensitiveDictMixin, unittest.TestCase): warnings.filterwarnings("always", category=ScrapyDeprecationWarning) self.dict_class({"foo": "bar"}) - self.assertEqual(len(caught), 1) - self.assertTrue(issubclass(caught[0].category, ScrapyDeprecationWarning)) - self.assertEqual( - "scrapy.utils.datatypes.CaselessDict is deprecated," - " please use scrapy.utils.datatypes.CaseInsensitiveDict instead", - str(caught[0].message), + assert len(caught) == 1 + assert issubclass(caught[0].category, ScrapyDeprecationWarning) + assert ( + str(caught[0].message) + == "scrapy.utils.datatypes.CaselessDict is deprecated," + " please use scrapy.utils.datatypes.CaseInsensitiveDict instead" ) -class SequenceExcludeTest(unittest.TestCase): +class TestSequenceExclude: def test_list(self): seq = [1, 2, 3] d = SequenceExclude(seq) - self.assertIn(0, d) - self.assertIn(4, d) - self.assertNotIn(2, d) + assert 0 in d + assert 4 in d + assert 2 not in d def test_range(self): seq = range(10, 20) d = SequenceExclude(seq) - self.assertIn(5, d) - self.assertIn(20, d) - self.assertNotIn(15, d) + assert 5 in d + assert 20 in d + assert 15 not in d def test_range_step(self): seq = range(10, 20, 3) d = SequenceExclude(seq) are_not_in = [v for v in range(10, 20, 3) if v in d] - self.assertEqual([], are_not_in) + assert are_not_in == [] are_not_in = [v for v in range(10, 20) if v in d] - self.assertEqual([11, 12, 14, 15, 17, 18], are_not_in) + assert are_not_in == [11, 12, 14, 15, 17, 18] def test_string_seq(self): seq = "cde" d = SequenceExclude(seq) chars = "".join(v for v in "abcdefg" if v in d) - self.assertEqual("abfg", chars) + assert chars == "abfg" def test_stringset_seq(self): seq = set("cde") d = SequenceExclude(seq) chars = "".join(v for v in "abcdefg" if v in d) - self.assertEqual("abfg", chars) + assert chars == "abfg" def test_set(self): """Anything that is not in the supplied sequence will evaluate as 'in' the container.""" seq = {-3, "test", 1.1} d = SequenceExclude(seq) - self.assertIn(0, d) - self.assertIn("foo", d) - self.assertIn(3.14, d) - self.assertIn(set("bar"), d) + assert 0 in d + assert "foo" in d + assert 3.14 in d + assert set("bar") in d # supplied sequence is a set, so checking for list (non)inclusion fails with pytest.raises(TypeError): ["a", "b", "c"] in d # noqa: B015 for v in [-3, "test", 1.1]: - self.assertNotIn(v, d) + assert v not in d -class LocalCacheTest(unittest.TestCase): +class TestLocalCache: def test_cache_with_limit(self): cache = LocalCache(limit=2) cache["a"] = 1 cache["b"] = 2 cache["c"] = 3 - self.assertEqual(len(cache), 2) - self.assertNotIn("a", cache) - self.assertIn("b", cache) - self.assertIn("c", cache) - self.assertEqual(cache["b"], 2) - self.assertEqual(cache["c"], 3) + assert len(cache) == 2 + assert "a" not in cache + assert "b" in cache + assert "c" in cache + assert cache["b"] == 2 + assert cache["c"] == 3 def test_cache_without_limit(self): maximum = 10**4 cache = LocalCache() for x in range(maximum): cache[str(x)] = x - self.assertEqual(len(cache), maximum) + assert len(cache) == maximum for x in range(maximum): - self.assertIn(str(x), cache) - self.assertEqual(cache[str(x)], x) + assert str(x) in cache + assert cache[str(x)] == x -class LocalWeakReferencedCacheTest(unittest.TestCase): +class TestLocalWeakReferencedCache: def test_cache_with_limit(self): cache = LocalWeakReferencedCache(limit=2) r1 = Request("https://example.org") @@ -322,19 +319,19 @@ class LocalWeakReferencedCacheTest(unittest.TestCase): cache[r1] = 1 cache[r2] = 2 cache[r3] = 3 - self.assertEqual(len(cache), 2) - self.assertNotIn(r1, cache) - self.assertIn(r2, cache) - self.assertIn(r3, cache) - self.assertEqual(cache[r1], None) - self.assertEqual(cache[r2], 2) - self.assertEqual(cache[r3], 3) + assert len(cache) == 2 + assert r1 not in cache + assert r2 in cache + assert r3 in cache + assert cache[r1] is None + assert cache[r2] == 2 + assert cache[r3] == 3 del r2 # PyPy takes longer to collect dead references garbage_collect() - self.assertEqual(len(cache), 1) + assert len(cache) == 1 def test_cache_non_weak_referenceable_objects(self): cache = LocalWeakReferencedCache() @@ -344,10 +341,10 @@ class LocalWeakReferencedCacheTest(unittest.TestCase): cache[k1] = 1 cache[k2] = 2 cache[k3] = 3 - self.assertNotIn(k1, cache) - self.assertNotIn(k2, cache) - self.assertNotIn(k3, cache) - self.assertEqual(len(cache), 0) + assert k1 not in cache + assert k2 not in cache + assert k3 not in cache + assert len(cache) == 0 def test_cache_without_limit(self): max = 10**4 @@ -356,10 +353,10 @@ class LocalWeakReferencedCacheTest(unittest.TestCase): for x in range(max): refs.append(Request(f"https://example.org/{x}")) cache[refs[-1]] = x - self.assertEqual(len(cache), max) + assert len(cache) == max for i, r in enumerate(refs): - self.assertIn(r, cache) - self.assertEqual(cache[r], i) + assert r in cache + assert cache[r] == i del r # delete reference to the last object in the list # pylint: disable=undefined-loop-variable # delete half of the objects, make sure that is reflected in the cache @@ -369,7 +366,7 @@ class LocalWeakReferencedCacheTest(unittest.TestCase): # PyPy takes longer to collect dead references garbage_collect() - self.assertEqual(len(cache), max // 2) + assert len(cache) == max // 2 for i, r in enumerate(refs): - self.assertIn(r, cache) - self.assertEqual(cache[r], i) + assert r in cache + assert cache[r] == i diff --git a/tests/test_utils_defer.py b/tests/test_utils_defer.py index 3a1030fcf..36bd8ced9 100644 --- a/tests/test_utils_defer.py +++ b/tests/test_utils_defer.py @@ -18,7 +18,7 @@ from scrapy.utils.defer import ( ) -class MustbeDeferredTest(unittest.TestCase): +class TestMustbeDeferred(unittest.TestCase): def test_success_function(self): steps = [] @@ -66,23 +66,19 @@ def eb1(failure, arg1, arg2): return f"(eb1 {failure.value.__class__.__name__} {arg1} {arg2})" -class DeferUtilsTest(unittest.TestCase): +class TestDeferUtils(unittest.TestCase): @defer.inlineCallbacks def test_process_chain(self): x = yield process_chain([cb1, cb2, cb3], "res", "v1", "v2") - self.assertEqual(x, "(cb3 (cb2 (cb1 res v1 v2) v1 v2) v1 v2)") + assert x == "(cb3 (cb2 (cb1 res v1 v2) v1 v2) v1 v2)" - gotexc = False - try: + with pytest.raises(TypeError): yield process_chain([cb1, cb_fail, cb3], "res", "v1", "v2") - except TypeError: - gotexc = True - self.assertTrue(gotexc) @defer.inlineCallbacks def test_process_parallel(self): x = yield process_parallel([cb1, cb2, cb3], "res", "v1", "v2") - self.assertEqual(x, ["(cb1 res v1 v2)", "(cb2 res v1 v2)", "(cb3 res v1 v2)"]) + assert x == ["(cb1 res v1 v2)", "(cb2 res v1 v2)", "(cb3 res v1 v2)"] def test_process_parallel_failure(self): d = process_parallel([cb1, cb_fail, cb3], "res", "v1", "v2") @@ -90,15 +86,15 @@ class DeferUtilsTest(unittest.TestCase): return d -class IterErrbackTest(unittest.TestCase): +class TestIterErrback: def test_iter_errback_good(self): def itergood(): yield from range(10) errors = [] out = list(iter_errback(itergood(), errors.append)) - self.assertEqual(out, list(range(10))) - self.assertFalse(errors) + assert out == list(range(10)) + assert not errors def test_iter_errback_bad(self): def iterbad(): @@ -109,12 +105,12 @@ class IterErrbackTest(unittest.TestCase): errors = [] out = list(iter_errback(iterbad(), errors.append)) - self.assertEqual(out, [0, 1, 2, 3, 4]) - self.assertEqual(len(errors), 1) - self.assertIsInstance(errors[0].value, ZeroDivisionError) + assert out == [0, 1, 2, 3, 4] + assert len(errors) == 1 + assert isinstance(errors[0].value, ZeroDivisionError) -class AiterErrbackTest(unittest.TestCase): +class TestAiterErrback(unittest.TestCase): @deferred_f_from_coro_f async def test_aiter_errback_good(self): async def itergood(): @@ -123,8 +119,8 @@ class AiterErrbackTest(unittest.TestCase): errors = [] out = await collect_asyncgen(aiter_errback(itergood(), errors.append)) - self.assertEqual(out, list(range(10))) - self.assertFalse(errors) + assert out == list(range(10)) + assert not errors @deferred_f_from_coro_f async def test_iter_errback_bad(self): @@ -136,12 +132,12 @@ class AiterErrbackTest(unittest.TestCase): errors = [] out = await collect_asyncgen(aiter_errback(iterbad(), errors.append)) - self.assertEqual(out, [0, 1, 2, 3, 4]) - self.assertEqual(len(errors), 1) - self.assertIsInstance(errors[0].value, ZeroDivisionError) + assert out == [0, 1, 2, 3, 4] + assert len(errors) == 1 + assert isinstance(errors[0].value, ZeroDivisionError) -class AsyncDefTestsuiteTest(unittest.TestCase): +class TestAsyncDefTestsuite(unittest.TestCase): @deferred_f_from_coro_f async def test_deferred_f_from_coro_f(self): pass @@ -156,7 +152,7 @@ class AsyncDefTestsuiteTest(unittest.TestCase): raise RuntimeError("This is expected to be raised") -class AsyncCooperatorTest(unittest.TestCase): +class TestAsyncCooperator(unittest.TestCase): """This tests _AsyncCooperatorAdapter by testing parallel_async which is its only usage. parallel_async is called with the results of a callback (so an iterable of items, requests and None, @@ -207,7 +203,7 @@ class AsyncCooperatorTest(unittest.TestCase): ait = self.get_async_iterable(length) dl = parallel_async(ait, self.CONCURRENT_ITEMS, self.callable, results) yield dl - self.assertEqual(list(range(length)), sorted(results)) + assert list(range(length)) == sorted(results) @defer.inlineCallbacks def test_delays(self): @@ -216,4 +212,4 @@ class AsyncCooperatorTest(unittest.TestCase): ait = self.get_async_iterable_with_delays(length) dl = parallel_async(ait, self.CONCURRENT_ITEMS, self.callable, results) yield dl - self.assertEqual(list(range(length)), sorted(results)) + assert list(range(length)) == sorted(results) diff --git a/tests/test_utils_deprecate.py b/tests/test_utils_deprecate.py index e917b6947..52c165bb4 100644 --- a/tests/test_utils_deprecate.py +++ b/tests/test_utils_deprecate.py @@ -1,5 +1,4 @@ import inspect -import unittest import warnings from unittest import mock @@ -21,7 +20,7 @@ class NewName(SomeBaseClass): pass -class WarnWhenSubclassedTest(unittest.TestCase): +class TestWarnWhenSubclassed: def _mywarnings(self, w, category=MyWarning): return [x for x in w if x.category is MyWarning] @@ -30,7 +29,7 @@ class WarnWhenSubclassedTest(unittest.TestCase): create_deprecated_class("Deprecated", NewName) w = self._mywarnings(w) - self.assertEqual(w, []) + assert w == [] def test_subclassing_warning_message(self): Deprecated = create_deprecated_class( @@ -43,15 +42,14 @@ class WarnWhenSubclassedTest(unittest.TestCase): pass w = self._mywarnings(w) - self.assertEqual(len(w), 1) - self.assertEqual( - str(w[0].message), - "tests.test_utils_deprecate.UserClass inherits from " + assert len(w) == 1 + assert ( + str(w[0].message) == "tests.test_utils_deprecate.UserClass inherits from " "deprecated class tests.test_utils_deprecate.Deprecated, " "please inherit from tests.test_utils_deprecate.NewName." - " (warning only on first subclass, there may be others)", + " (warning only on first subclass, there may be others)" ) - self.assertEqual(w[0].lineno, inspect.getsourcelines(UserClass)[1]) + assert w[0].lineno == inspect.getsourcelines(UserClass)[1] def test_custom_class_paths(self): Deprecated = create_deprecated_class( @@ -70,11 +68,11 @@ class WarnWhenSubclassedTest(unittest.TestCase): _ = Deprecated() w = self._mywarnings(w) - self.assertEqual(len(w), 2) - self.assertIn("foo.NewClass", str(w[0].message)) - self.assertIn("bar.OldClass", str(w[0].message)) - self.assertIn("foo.NewClass", str(w[1].message)) - self.assertIn("bar.OldClass", str(w[1].message)) + assert len(w) == 2 + assert "foo.NewClass" in str(w[0].message) + assert "bar.OldClass" in str(w[0].message) + assert "foo.NewClass" in str(w[1].message) + assert "bar.OldClass" in str(w[1].message) def test_subclassing_warns_only_on_direct_children(self): Deprecated = create_deprecated_class( @@ -90,8 +88,8 @@ class WarnWhenSubclassedTest(unittest.TestCase): pass w = self._mywarnings(w) - self.assertEqual(len(w), 1) - self.assertIn("UserClass", str(w[0].message)) + assert len(w) == 1 + assert "UserClass" in str(w[0].message) def test_subclassing_warns_once_by_default(self): Deprecated = create_deprecated_class( @@ -110,8 +108,8 @@ class WarnWhenSubclassedTest(unittest.TestCase): pass w = self._mywarnings(w) - self.assertEqual(len(w), 1) - self.assertIn("UserClass", str(w[0].message)) + assert len(w) == 1 + assert "UserClass" in str(w[0].message) def test_warning_on_instance(self): Deprecated = create_deprecated_class( @@ -130,13 +128,12 @@ class WarnWhenSubclassedTest(unittest.TestCase): _ = UserClass() # subclass instances don't warn w = self._mywarnings(w) - self.assertEqual(len(w), 1) - self.assertEqual( - str(w[0].message), - "tests.test_utils_deprecate.Deprecated is deprecated, " - "instantiate tests.test_utils_deprecate.NewName instead.", + assert len(w) == 1 + assert ( + str(w[0].message) == "tests.test_utils_deprecate.Deprecated is deprecated, " + "instantiate tests.test_utils_deprecate.NewName instead." ) - self.assertEqual(w[0].lineno, lineno) + assert w[0].lineno == lineno def test_warning_auto_message(self): with warnings.catch_warnings(record=True) as w: @@ -146,8 +143,8 @@ class WarnWhenSubclassedTest(unittest.TestCase): pass msg = str(w[0].message) - self.assertIn("tests.test_utils_deprecate.NewName", msg) - self.assertIn("tests.test_utils_deprecate.Deprecated", msg) + assert "tests.test_utils_deprecate.NewName" in msg + assert "tests.test_utils_deprecate.Deprecated" in msg def test_issubclass(self): with warnings.catch_warnings(): @@ -225,7 +222,7 @@ class WarnWhenSubclassedTest(unittest.TestCase): warnings.simplefilter("ignore", ScrapyDeprecationWarning) Deprecated = create_deprecated_class("Deprecated", NewName, {"foo": "bar"}) - self.assertEqual(Deprecated.foo, "bar") + assert Deprecated.foo == "bar" def test_deprecate_a_class_with_custom_metaclass(self): Meta1 = type("Meta1", (type,), {}) @@ -246,7 +243,7 @@ class WarnWhenSubclassedTest(unittest.TestCase): ) w = self._mywarnings(w) - self.assertEqual(len(w), 0, str(map(str, w))) + assert len(w) == 0, str(map(str, w)) with warnings.catch_warnings(record=True) as w: AlsoDeprecated() @@ -255,11 +252,11 @@ class WarnWhenSubclassedTest(unittest.TestCase): pass w = self._mywarnings(w) - self.assertEqual(len(w), 2) - self.assertIn("AlsoDeprecated", str(w[0].message)) - self.assertIn("foo.Bar", str(w[0].message)) - self.assertIn("AlsoDeprecated", str(w[1].message)) - self.assertIn("foo.Bar", str(w[1].message)) + assert len(w) == 2 + assert "AlsoDeprecated" in str(w[0].message) + assert "foo.Bar" in str(w[0].message) + assert "AlsoDeprecated" in str(w[1].message) + assert "foo.Bar" in str(w[1].message) def test_inspect_stack(self): with ( @@ -271,7 +268,7 @@ class WarnWhenSubclassedTest(unittest.TestCase): class SubClass(DeprecatedName): pass - self.assertIn("Error detecting parent module", str(w[0].message)) + assert "Error detecting parent module" in str(w[0].message) @mock.patch( @@ -281,27 +278,27 @@ class WarnWhenSubclassedTest(unittest.TestCase): ("scrapy.contrib.", "scrapy.extensions."), ], ) -class UpdateClassPathTest(unittest.TestCase): +class TestUpdateClassPath: def test_old_path_gets_fixed(self): with warnings.catch_warnings(record=True) as w: output = update_classpath("scrapy.contrib.debug.Debug") - self.assertEqual(output, "scrapy.extensions.debug.Debug") - self.assertEqual(len(w), 1) - self.assertIn("scrapy.contrib.debug.Debug", str(w[0].message)) - self.assertIn("scrapy.extensions.debug.Debug", str(w[0].message)) + assert output == "scrapy.extensions.debug.Debug" + assert len(w) == 1 + assert "scrapy.contrib.debug.Debug" in str(w[0].message) + assert "scrapy.extensions.debug.Debug" in str(w[0].message) def test_sorted_replacement(self): with warnings.catch_warnings(): warnings.simplefilter("ignore", ScrapyDeprecationWarning) output = update_classpath("scrapy.contrib.pipeline.Pipeline") - self.assertEqual(output, "scrapy.pipelines.Pipeline") + assert output == "scrapy.pipelines.Pipeline" def test_unmatched_path_stays_the_same(self): with warnings.catch_warnings(record=True) as w: output = update_classpath("scrapy.unmatched.Path") - self.assertEqual(output, "scrapy.unmatched.Path") - self.assertEqual(len(w), 0) + assert output == "scrapy.unmatched.Path" + assert len(w) == 0 def test_returns_nonstring(self): for notastring in [None, True, [1, 2, 3], object()]: - self.assertEqual(update_classpath(notastring), notastring) + assert update_classpath(notastring) == notastring diff --git a/tests/test_utils_display.py b/tests/test_utils_display.py index d1bf64828..cea564653 100644 --- a/tests/test_utils_display.py +++ b/tests/test_utils_display.py @@ -1,10 +1,10 @@ from io import StringIO -from unittest import TestCase, mock +from unittest import mock from scrapy.utils.display import pformat, pprint -class TestDisplay(TestCase): +class TestDisplay: object = {"a": 1} colorized_strings = { ( @@ -26,15 +26,15 @@ class TestDisplay(TestCase): @mock.patch("sys.stdout.isatty") def test_pformat(self, isatty): isatty.return_value = True - self.assertIn(pformat(self.object), self.colorized_strings) + assert pformat(self.object) in self.colorized_strings @mock.patch("sys.stdout.isatty") def test_pformat_dont_colorize(self, isatty): isatty.return_value = True - self.assertEqual(pformat(self.object, colorize=False), self.plain_string) + assert pformat(self.object, colorize=False) == self.plain_string def test_pformat_not_tty(self): - self.assertEqual(pformat(self.object), self.plain_string) + assert pformat(self.object) == self.plain_string @mock.patch("sys.platform", "win32") @mock.patch("platform.version") @@ -42,7 +42,7 @@ class TestDisplay(TestCase): def test_pformat_old_windows(self, isatty, version): isatty.return_value = True version.return_value = "10.0.14392" - self.assertIn(pformat(self.object), self.colorized_strings) + assert pformat(self.object) in self.colorized_strings @mock.patch("sys.platform", "win32") @mock.patch("scrapy.utils.display._enable_windows_terminal_processing") @@ -54,7 +54,7 @@ class TestDisplay(TestCase): isatty.return_value = True version.return_value = "10.0.14393" terminal_processing.return_value = False - self.assertEqual(pformat(self.object), self.plain_string) + assert pformat(self.object) == self.plain_string @mock.patch("sys.platform", "win32") @mock.patch("scrapy.utils.display._enable_windows_terminal_processing") @@ -64,7 +64,7 @@ class TestDisplay(TestCase): isatty.return_value = True version.return_value = "10.0.14393" terminal_processing.return_value = True - self.assertIn(pformat(self.object), self.colorized_strings) + assert pformat(self.object) in self.colorized_strings @mock.patch("sys.platform", "linux") @mock.patch("sys.stdout.isatty") @@ -81,10 +81,10 @@ class TestDisplay(TestCase): return real_import(name, globals, locals, fromlist, level) builtins.__import__ = mock_import - self.assertEqual(pformat(self.object), self.plain_string) + assert pformat(self.object) == self.plain_string builtins.__import__ = real_import def test_pprint(self): with mock.patch("sys.stdout", new=StringIO()) as mock_out: pprint(self.object) - self.assertEqual(mock_out.getvalue(), "{'a': 1}\n") + assert mock_out.getvalue() == "{'a': 1}\n" diff --git a/tests/test_utils_gz.py b/tests/test_utils_gz.py index d40cae9c7..c43ed152b 100644 --- a/tests/test_utils_gz.py +++ b/tests/test_utils_gz.py @@ -1,4 +1,3 @@ -import unittest from gzip import BadGzipFile from pathlib import Path @@ -12,17 +11,17 @@ from tests import tests_datadir SAMPLEDIR = Path(tests_datadir, "compressed") -class GunzipTest(unittest.TestCase): +class TestGunzip: def test_gunzip_basic(self): r1 = Response( "http://www.example.com", body=(SAMPLEDIR / "feed-sample1.xml.gz").read_bytes(), ) - self.assertTrue(gzip_magic_number(r1)) + assert gzip_magic_number(r1) r2 = Response("http://www.example.com", body=gunzip(r1.body)) - self.assertFalse(gzip_magic_number(r2)) - self.assertEqual(len(r2.body), 9950) + assert not gzip_magic_number(r2) + assert len(r2.body) == 9950 def test_gunzip_truncated(self): text = gunzip((SAMPLEDIR / "truncated-crc-error.gz").read_bytes()) @@ -37,15 +36,15 @@ class GunzipTest(unittest.TestCase): "http://www.example.com", body=(SAMPLEDIR / "truncated-crc-error-short.gz").read_bytes(), ) - self.assertTrue(gzip_magic_number(r1)) + assert gzip_magic_number(r1) r2 = Response("http://www.example.com", body=gunzip(r1.body)) assert r2.body.endswith(b"</html>") - self.assertFalse(gzip_magic_number(r2)) + assert not gzip_magic_number(r2) def test_is_gzipped_empty(self): r1 = Response("http://www.example.com") - self.assertFalse(gzip_magic_number(r1)) + assert not gzip_magic_number(r1) def test_gunzip_illegal_eof(self): text = html_to_unicode( @@ -54,5 +53,5 @@ class GunzipTest(unittest.TestCase): expected_text = (SAMPLEDIR / "unexpected-eof-output.txt").read_text( encoding="utf-8" ) - self.assertEqual(len(text), len(expected_text)) - self.assertEqual(text, expected_text) + assert len(text) == len(expected_text) + assert text == expected_text diff --git a/tests/test_utils_httpobj.py b/tests/test_utils_httpobj.py index 741e69559..0c05ef7d6 100644 --- a/tests/test_utils_httpobj.py +++ b/tests/test_utils_httpobj.py @@ -1,11 +1,10 @@ -import unittest from urllib.parse import urlparse from scrapy.http import Request from scrapy.utils.httpobj import urlparse_cached -class HttpobjUtilsTest(unittest.TestCase): +class TestHttpobjUtils: def test_urlparse_cached(self): url = "http://www.example.com/index.html" request1 = Request(url) diff --git a/tests/test_utils_iterators.py b/tests/test_utils_iterators.py index 9ad30617a..fa0d37866 100644 --- a/tests/test_utils_iterators.py +++ b/tests/test_utils_iterators.py @@ -1,5 +1,4 @@ import pytest -from twisted.trial import unittest from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.http import Response, TextResponse, XmlResponse @@ -7,7 +6,7 @@ from scrapy.utils.iterators import _body_or_str, csviter, xmliter, xmliter_lxml from tests import get_testdata -class XmliterBaseTestCase: +class XmliterBase: @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter(self): body = b""" @@ -35,9 +34,10 @@ class XmliterBaseTestCase: for x in self.xmliter(response, "product") ] - self.assertEqual( - attrs, [("001", ["Name 1"], ["Type 1"]), ("002", ["Name 2"], ["Type 2"])] - ) + assert attrs == [ + ("001", ["Name 1"], ["Type 1"]), + ("002", ["Name 2"], ["Type 2"]), + ] @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter_unusual_node(self): @@ -51,7 +51,7 @@ class XmliterBaseTestCase: nodenames = [ e.xpath("name()").getall() for e in self.xmliter(response, "matchme...") ] - self.assertEqual(nodenames, [["matchme..."]]) + assert nodenames == [["matchme..."]] @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter_unicode(self): @@ -107,10 +107,11 @@ class XmliterBaseTestCase: for x in self.xmliter(r, "þingflokkur") ] - self.assertEqual( - attrs, - [("26", ["-"], ["80"]), ("21", ["Ab"], ["76"]), ("27", ["A"], ["27"])], - ) + assert attrs == [ + ("26", ["-"], ["80"]), + ("21", ["Ab"], ["76"]), + ("27", ["A"], ["27"]), + ] @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter_text(self): @@ -119,10 +120,10 @@ class XmliterBaseTestCase: "<products><product>one</product><product>two</product></products>" ) - self.assertEqual( - [x.xpath("text()").getall() for x in self.xmliter(body, "product")], - [["one"], ["two"]], - ) + assert [x.xpath("text()").getall() for x in self.xmliter(body, "product")] == [ + ["one"], + ["two"], + ] @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter_namespaces(self): @@ -148,21 +149,19 @@ class XmliterBaseTestCase: my_iter = self.xmliter(response, "item") node = next(my_iter) node.register_namespace("g", "http://base.google.com/ns/1.0") - self.assertEqual(node.xpath("title/text()").getall(), ["Item 1"]) - self.assertEqual(node.xpath("description/text()").getall(), ["This is item 1"]) - self.assertEqual( - node.xpath("link/text()").getall(), - ["http://www.mydummycompany.com/items/1"], - ) - self.assertEqual( - node.xpath("g:image_link/text()").getall(), - ["http://www.mydummycompany.com/images/item1.jpg"], - ) - self.assertEqual(node.xpath("g:id/text()").getall(), ["ITEM_1"]) - self.assertEqual(node.xpath("g:price/text()").getall(), ["400"]) - self.assertEqual(node.xpath("image_link/text()").getall(), []) - self.assertEqual(node.xpath("id/text()").getall(), []) - self.assertEqual(node.xpath("price/text()").getall(), []) + assert node.xpath("title/text()").getall() == ["Item 1"] + assert node.xpath("description/text()").getall() == ["This is item 1"] + assert node.xpath("link/text()").getall() == [ + "http://www.mydummycompany.com/items/1" + ] + assert node.xpath("g:image_link/text()").getall() == [ + "http://www.mydummycompany.com/images/item1.jpg" + ] + assert node.xpath("g:id/text()").getall() == ["ITEM_1"] + assert node.xpath("g:price/text()").getall() == ["400"] + assert node.xpath("image_link/text()").getall() == [] + assert node.xpath("id/text()").getall() == [] + assert node.xpath("price/text()").getall() == [] @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter_namespaced_nodename(self): @@ -188,10 +187,9 @@ class XmliterBaseTestCase: my_iter = self.xmliter(response, "g:image_link") node = next(my_iter) node.register_namespace("g", "http://base.google.com/ns/1.0") - self.assertEqual( - node.xpath("text()").extract(), - ["http://www.mydummycompany.com/images/item1.jpg"], - ) + assert node.xpath("text()").extract() == [ + "http://www.mydummycompany.com/images/item1.jpg" + ] @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter_namespaced_nodename_missing(self): @@ -246,13 +244,13 @@ class XmliterBaseTestCase: b"</xml>\n\n" ) response = XmlResponse("http://www.example.com", body=body) - self.assertEqual( - next(self.xmliter(response, "item")).get(), - "<item>Some Turkish Characters \xd6\xc7\u015e\u0130\u011e\xdc \xfc\u011f\u0131\u015f\xe7\xf6</item>", + assert ( + next(self.xmliter(response, "item")).get() + == "<item>Some Turkish Characters \xd6\xc7\u015e\u0130\u011e\xdc \xfc\u011f\u0131\u015f\xe7\xf6</item>" ) -class XmliterTestCase(XmliterBaseTestCase, unittest.TestCase): +class TestXmliter(XmliterBase): xmliter = staticmethod(xmliter) def test_deprecation(self): @@ -269,7 +267,7 @@ class XmliterTestCase(XmliterBaseTestCase, unittest.TestCase): next(self.xmliter(body, "product")) -class LxmlXmliterTestCase(XmliterBaseTestCase, unittest.TestCase): +class TestLxmlXmliter(XmliterBase): xmliter = staticmethod(xmliter_lxml) def test_xmliter_iterate_namespace(self): @@ -293,21 +291,19 @@ class LxmlXmliterTestCase(XmliterBaseTestCase, unittest.TestCase): response = XmlResponse(url="http://mydummycompany.com", body=body) no_namespace_iter = self.xmliter(response, "image_link") - self.assertEqual(len(list(no_namespace_iter)), 0) + assert len(list(no_namespace_iter)) == 0 namespace_iter = self.xmliter( response, "image_link", "http://base.google.com/ns/1.0" ) node = next(namespace_iter) - self.assertEqual( - node.xpath("text()").getall(), - ["http://www.mydummycompany.com/images/item1.jpg"], - ) + assert node.xpath("text()").getall() == [ + "http://www.mydummycompany.com/images/item1.jpg" + ] node = next(namespace_iter) - self.assertEqual( - node.xpath("text()").getall(), - ["http://www.mydummycompany.com/images/item2.jpg"], - ) + assert node.xpath("text()").getall() == [ + "http://www.mydummycompany.com/images/item2.jpg" + ] def test_xmliter_namespaces_prefix(self): body = b""" @@ -332,16 +328,16 @@ class LxmlXmliterTestCase(XmliterBaseTestCase, unittest.TestCase): my_iter = self.xmliter(response, "table", "http://www.w3.org/TR/html4/", "h") node = next(my_iter) - self.assertEqual(len(node.xpath("h:tr/h:td").getall()), 2) - self.assertEqual(node.xpath("h:tr/h:td[1]/text()").getall(), ["Apples"]) - self.assertEqual(node.xpath("h:tr/h:td[2]/text()").getall(), ["Bananas"]) + assert len(node.xpath("h:tr/h:td").getall()) == 2 + assert node.xpath("h:tr/h:td[1]/text()").getall() == ["Apples"] + assert node.xpath("h:tr/h:td[2]/text()").getall() == ["Bananas"] my_iter = self.xmliter( response, "table", "http://www.w3schools.com/furniture", "f" ) node = next(my_iter) - self.assertEqual(node.xpath("f:name/text()").getall(), ["African Coffee Table"]) + assert node.xpath("f:name/text()").getall() == ["African Coffee Table"] def test_xmliter_objtype_exception(self): i = self.xmliter(42, "product") @@ -349,42 +345,36 @@ class LxmlXmliterTestCase(XmliterBaseTestCase, unittest.TestCase): next(i) -class UtilsCsvTestCase(unittest.TestCase): +class TestUtilsCsv: def test_csviter_defaults(self): body = get_testdata("feeds", "feed-sample3.csv") response = TextResponse(url="http://example.com/", body=body) csv = csviter(response) result = list(csv) - self.assertEqual( - result, - [ - {"id": "1", "name": "alpha", "value": "foobar"}, - {"id": "2", "name": "unicode", "value": "\xfan\xedc\xf3d\xe9\u203d"}, - {"id": "3", "name": "multi", "value": "foo\nbar"}, - {"id": "4", "name": "empty", "value": ""}, - ], - ) + assert result == [ + {"id": "1", "name": "alpha", "value": "foobar"}, + {"id": "2", "name": "unicode", "value": "\xfan\xedc\xf3d\xe9\u203d"}, + {"id": "3", "name": "multi", "value": "foo\nbar"}, + {"id": "4", "name": "empty", "value": ""}, + ] # explicit type check cuz' we no like stinkin' autocasting! yarrr for result_row in result: - self.assertTrue(all(isinstance(k, str) for k in result_row)) - self.assertTrue(all(isinstance(v, str) for v in result_row.values())) + assert all(isinstance(k, str) for k in result_row) + assert all(isinstance(v, str) for v in result_row.values()) def test_csviter_delimiter(self): body = get_testdata("feeds", "feed-sample3.csv").replace(b",", b"\t") response = TextResponse(url="http://example.com/", body=body) csv = csviter(response, delimiter="\t") - self.assertEqual( - list(csv), - [ - {"id": "1", "name": "alpha", "value": "foobar"}, - {"id": "2", "name": "unicode", "value": "\xfan\xedc\xf3d\xe9\u203d"}, - {"id": "3", "name": "multi", "value": "foo\nbar"}, - {"id": "4", "name": "empty", "value": ""}, - ], - ) + assert list(csv) == [ + {"id": "1", "name": "alpha", "value": "foobar"}, + {"id": "2", "name": "unicode", "value": "\xfan\xedc\xf3d\xe9\u203d"}, + {"id": "3", "name": "multi", "value": "foo\nbar"}, + {"id": "4", "name": "empty", "value": ""}, + ] def test_csviter_quotechar(self): body1 = get_testdata("feeds", "feed-sample6.csv") @@ -393,62 +383,50 @@ class UtilsCsvTestCase(unittest.TestCase): response1 = TextResponse(url="http://example.com/", body=body1) csv1 = csviter(response1, quotechar="'") - self.assertEqual( - list(csv1), - [ - {"id": "1", "name": "alpha", "value": "foobar"}, - {"id": "2", "name": "unicode", "value": "\xfan\xedc\xf3d\xe9\u203d"}, - {"id": "3", "name": "multi", "value": "foo\nbar"}, - {"id": "4", "name": "empty", "value": ""}, - ], - ) + assert list(csv1) == [ + {"id": "1", "name": "alpha", "value": "foobar"}, + {"id": "2", "name": "unicode", "value": "\xfan\xedc\xf3d\xe9\u203d"}, + {"id": "3", "name": "multi", "value": "foo\nbar"}, + {"id": "4", "name": "empty", "value": ""}, + ] response2 = TextResponse(url="http://example.com/", body=body2) csv2 = csviter(response2, delimiter="|", quotechar="'") - self.assertEqual( - list(csv2), - [ - {"id": "1", "name": "alpha", "value": "foobar"}, - {"id": "2", "name": "unicode", "value": "\xfan\xedc\xf3d\xe9\u203d"}, - {"id": "3", "name": "multi", "value": "foo\nbar"}, - {"id": "4", "name": "empty", "value": ""}, - ], - ) + assert list(csv2) == [ + {"id": "1", "name": "alpha", "value": "foobar"}, + {"id": "2", "name": "unicode", "value": "\xfan\xedc\xf3d\xe9\u203d"}, + {"id": "3", "name": "multi", "value": "foo\nbar"}, + {"id": "4", "name": "empty", "value": ""}, + ] def test_csviter_wrong_quotechar(self): body = get_testdata("feeds", "feed-sample6.csv") response = TextResponse(url="http://example.com/", body=body) csv = csviter(response) - self.assertEqual( - list(csv), - [ - {"'id'": "1", "'name'": "'alpha'", "'value'": "'foobar'"}, - { - "'id'": "2", - "'name'": "'unicode'", - "'value'": "'\xfan\xedc\xf3d\xe9\u203d'", - }, - {"'id'": "'3'", "'name'": "'multi'", "'value'": "'foo"}, - {"'id'": "4", "'name'": "'empty'", "'value'": ""}, - ], - ) + assert list(csv) == [ + {"'id'": "1", "'name'": "'alpha'", "'value'": "'foobar'"}, + { + "'id'": "2", + "'name'": "'unicode'", + "'value'": "'\xfan\xedc\xf3d\xe9\u203d'", + }, + {"'id'": "'3'", "'name'": "'multi'", "'value'": "'foo"}, + {"'id'": "4", "'name'": "'empty'", "'value'": ""}, + ] def test_csviter_delimiter_binary_response_assume_utf8_encoding(self): body = get_testdata("feeds", "feed-sample3.csv").replace(b",", b"\t") response = Response(url="http://example.com/", body=body) csv = csviter(response, delimiter="\t") - self.assertEqual( - list(csv), - [ - {"id": "1", "name": "alpha", "value": "foobar"}, - {"id": "2", "name": "unicode", "value": "\xfan\xedc\xf3d\xe9\u203d"}, - {"id": "3", "name": "multi", "value": "foo\nbar"}, - {"id": "4", "name": "empty", "value": ""}, - ], - ) + assert list(csv) == [ + {"id": "1", "name": "alpha", "value": "foobar"}, + {"id": "2", "name": "unicode", "value": "\xfan\xedc\xf3d\xe9\u203d"}, + {"id": "3", "name": "multi", "value": "foo\nbar"}, + {"id": "4", "name": "empty", "value": ""}, + ] def test_csviter_headers(self): sample = get_testdata("feeds", "feed-sample3.csv").splitlines() @@ -457,15 +435,12 @@ class UtilsCsvTestCase(unittest.TestCase): response = TextResponse(url="http://example.com/", body=body) csv = csviter(response, headers=[h.decode("utf-8") for h in headers]) - self.assertEqual( - list(csv), - [ - {"id": "1", "name": "alpha", "value": "foobar"}, - {"id": "2", "name": "unicode", "value": "\xfan\xedc\xf3d\xe9\u203d"}, - {"id": "3", "name": "multi", "value": "foo\nbar"}, - {"id": "4", "name": "empty", "value": ""}, - ], - ) + assert list(csv) == [ + {"id": "1", "name": "alpha", "value": "foobar"}, + {"id": "2", "name": "unicode", "value": "\xfan\xedc\xf3d\xe9\u203d"}, + {"id": "3", "name": "multi", "value": "foo\nbar"}, + {"id": "4", "name": "empty", "value": ""}, + ] def test_csviter_falserow(self): body = get_testdata("feeds", "feed-sample3.csv") @@ -474,15 +449,12 @@ class UtilsCsvTestCase(unittest.TestCase): response = TextResponse(url="http://example.com/", body=body) csv = csviter(response) - self.assertEqual( - list(csv), - [ - {"id": "1", "name": "alpha", "value": "foobar"}, - {"id": "2", "name": "unicode", "value": "\xfan\xedc\xf3d\xe9\u203d"}, - {"id": "3", "name": "multi", "value": "foo\nbar"}, - {"id": "4", "name": "empty", "value": ""}, - ], - ) + assert list(csv) == [ + {"id": "1", "name": "alpha", "value": "foobar"}, + {"id": "2", "name": "unicode", "value": "\xfan\xedc\xf3d\xe9\u203d"}, + {"id": "3", "name": "multi", "value": "foo\nbar"}, + {"id": "4", "name": "empty", "value": ""}, + ] def test_csviter_exception(self): body = get_testdata("feeds", "feed-sample3.csv") @@ -504,30 +476,24 @@ class UtilsCsvTestCase(unittest.TestCase): url="http://example.com/", body=body1, encoding="latin1" ) csv = csviter(response) - self.assertEqual( - list(csv), - [ - {"id": "1", "name": "latin1", "value": "test"}, - {"id": "2", "name": "something", "value": "\xf1\xe1\xe9\xf3"}, - ], - ) + assert list(csv) == [ + {"id": "1", "name": "latin1", "value": "test"}, + {"id": "2", "name": "something", "value": "\xf1\xe1\xe9\xf3"}, + ] response = TextResponse(url="http://example.com/", body=body2, encoding="cp852") csv = csviter(response) - self.assertEqual( - list(csv), - [ - {"id": "1", "name": "cp852", "value": "test"}, - { - "id": "2", - "name": "something", - "value": "\u255a\u2569\u2569\u2569\u2550\u2550\u2557", - }, - ], - ) + assert list(csv) == [ + {"id": "1", "name": "cp852", "value": "test"}, + { + "id": "2", + "name": "something", + "value": "\u255a\u2569\u2569\u2569\u2550\u2550\u2557", + }, + ] -class TestHelper(unittest.TestCase): +class TestHelper: bbody = b"utf8-body" ubody = bbody.decode("utf8") txtresponse = TextResponse(url="http://example.org/", body=bbody, encoding="utf-8") @@ -541,11 +507,9 @@ class TestHelper(unittest.TestCase): self._assert_type_and_value(r2, self.ubody, obj) r3 = _body_or_str(obj, unicode=False) self._assert_type_and_value(r3, self.bbody, obj) - self.assertTrue(type(r1) is type(r2)) - self.assertTrue(type(r1) is not type(r3)) + assert type(r1) is type(r2) + assert type(r1) is not type(r3) def _assert_type_and_value(self, a, b, obj): - self.assertTrue( - type(a) is type(b), f"Got {type(a)}, expected {type(b)} for {obj!r}" - ) - self.assertEqual(a, b) + assert type(a) is type(b), f"Got {type(a)}, expected {type(b)} for {obj!r}" + assert a == b diff --git a/tests/test_utils_log.py b/tests/test_utils_log.py index 06e88bd10..af50fed7a 100644 --- a/tests/test_utils_log.py +++ b/tests/test_utils_log.py @@ -7,7 +7,6 @@ import sys import unittest from io import StringIO from typing import TYPE_CHECKING, Any -from unittest import TestCase import pytest from testfixtures import LogCapture @@ -27,7 +26,7 @@ if TYPE_CHECKING: from collections.abc import Mapping, MutableMapping -class FailureToExcInfoTest(unittest.TestCase): +class TestFailureToExcInfo: def test_failure(self): try: 0 / 0 @@ -35,14 +34,14 @@ class FailureToExcInfoTest(unittest.TestCase): exc_info = sys.exc_info() failure = Failure() - self.assertTupleEqual(exc_info, failure_to_exc_info(failure)) + assert exc_info == failure_to_exc_info(failure) def test_non_failure(self): - self.assertIsNone(failure_to_exc_info("test")) + assert failure_to_exc_info("test") is None -class TopLevelFormatterTest(unittest.TestCase): - def setUp(self): +class TestTopLevelFormatter: + def setup_method(self): self.handler = LogCapture() self.handler.addFilter(TopLevelFormatter(["test"])) @@ -71,8 +70,8 @@ class TopLevelFormatterTest(unittest.TestCase): log.check(("different", "WARNING", "test log msg")) -class LogCounterHandlerTest(unittest.TestCase): - def setUp(self): +class TestLogCounterHandler: + def setup_method(self): settings = {"LOG_LEVEL": "WARNING"} self.logger = logging.getLogger("test") self.logger.setLevel(logging.NOTSET) @@ -81,24 +80,24 @@ class LogCounterHandlerTest(unittest.TestCase): self.handler = LogCounterHandler(self.crawler) self.logger.addHandler(self.handler) - def tearDown(self): + def teardown_method(self): self.logger.propagate = True self.logger.removeHandler(self.handler) def test_init(self): - self.assertIsNone(self.crawler.stats.get_value("log_count/DEBUG")) - self.assertIsNone(self.crawler.stats.get_value("log_count/INFO")) - self.assertIsNone(self.crawler.stats.get_value("log_count/WARNING")) - self.assertIsNone(self.crawler.stats.get_value("log_count/ERROR")) - self.assertIsNone(self.crawler.stats.get_value("log_count/CRITICAL")) + assert self.crawler.stats.get_value("log_count/DEBUG") is None + assert self.crawler.stats.get_value("log_count/INFO") is None + assert self.crawler.stats.get_value("log_count/WARNING") is None + assert self.crawler.stats.get_value("log_count/ERROR") is None + assert self.crawler.stats.get_value("log_count/CRITICAL") is None def test_accepted_level(self): self.logger.error("test log msg") - self.assertEqual(self.crawler.stats.get_value("log_count/ERROR"), 1) + assert self.crawler.stats.get_value("log_count/ERROR") == 1 def test_filtered_out_level(self): self.logger.debug("test log msg") - self.assertIsNone(self.crawler.stats.get_value("log_count/INFO")) + assert self.crawler.stats.get_value("log_count/INFO") is None class StreamLoggerTest(unittest.TestCase): @@ -152,8 +151,8 @@ def test_spider_logger_adapter_process( assert result_kwargs == expected_extra -class LoggingTestCase(TestCase): - def setUp(self): +class TestLogging: + def setup_method(self): self.log_stream = StringIO() handler = logging.StreamHandler(self.log_stream) logger = logging.getLogger("log_spider") @@ -163,7 +162,7 @@ class LoggingTestCase(TestCase): self.logger = logger self.spider = LogSpider() - def tearDown(self): + def teardown_method(self): self.logger.removeHandler(self.handler) def test_debug_logging(self): @@ -202,8 +201,8 @@ class LoggingTestCase(TestCase): assert log_contents == f"{log_message}\n" -class LoggingWithExtraTestCase(TestCase): - def setUp(self): +class TestLoggingWithExtra: + def setup_method(self): self.log_stream = StringIO() handler = logging.StreamHandler(self.log_stream) formatter = logging.Formatter( @@ -218,7 +217,7 @@ class LoggingWithExtraTestCase(TestCase): self.spider = LogSpider() self.regex_pattern = re.compile(r"^<LogSpider\s'log_spider'\sat\s[^>]+>$") - def tearDown(self): + def teardown_method(self): self.logger.removeHandler(self.handler) def test_debug_logging(self): diff --git a/tests/test_utils_misc/__init__.py b/tests/test_utils_misc/__init__.py index a67e16962..b330819d9 100644 --- a/tests/test_utils_misc/__init__.py +++ b/tests/test_utils_misc/__init__.py @@ -1,6 +1,5 @@ import os import sys -import unittest from pathlib import Path from unittest import mock @@ -18,18 +17,18 @@ from scrapy.utils.misc import ( ) -class UtilsMiscTestCase(unittest.TestCase): +class TestUtilsMisc: def test_load_object_class(self): obj = load_object(Field) - self.assertIs(obj, Field) + assert obj is Field obj = load_object("scrapy.item.Field") - self.assertIs(obj, Field) + assert obj is Field def test_load_object_function(self): obj = load_object(load_object) - self.assertIs(obj, load_object) + assert obj is load_object obj = load_object("scrapy.utils.misc.load_object") - self.assertIs(obj, load_object) + assert obj is load_object def test_load_object_exceptions(self): with pytest.raises(ImportError): @@ -47,20 +46,20 @@ class UtilsMiscTestCase(unittest.TestCase): "tests.test_utils_misc.test_walk_modules.mod.mod0", "tests.test_utils_misc.test_walk_modules.mod1", ] - self.assertEqual({m.__name__ for m in mods}, set(expected)) + assert {m.__name__ for m in mods} == set(expected) mods = walk_modules("tests.test_utils_misc.test_walk_modules.mod") expected = [ "tests.test_utils_misc.test_walk_modules.mod", "tests.test_utils_misc.test_walk_modules.mod.mod0", ] - self.assertEqual({m.__name__ for m in mods}, set(expected)) + assert {m.__name__ for m in mods} == set(expected) mods = walk_modules("tests.test_utils_misc.test_walk_modules.mod1") expected = [ "tests.test_utils_misc.test_walk_modules.mod1", ] - self.assertEqual({m.__name__ for m in mods}, set(expected)) + assert {m.__name__ for m in mods} == set(expected) with pytest.raises(ImportError): walk_modules("nomodule999") @@ -76,7 +75,7 @@ class UtilsMiscTestCase(unittest.TestCase): "testegg.spiders.b", "testegg", ] - self.assertEqual({m.__name__ for m in mods}, set(expected)) + assert {m.__name__ for m in mods} == set(expected) finally: sys.path.remove(egg) @@ -90,15 +89,13 @@ class UtilsMiscTestCase(unittest.TestCase): assert hasattr(arg_to_iter([1, 2, 3]), "__iter__") assert hasattr(arg_to_iter(c for c in "abcd"), "__iter__") - self.assertEqual(list(arg_to_iter(None)), []) - self.assertEqual(list(arg_to_iter("lala")), ["lala"]) - self.assertEqual(list(arg_to_iter(100)), [100]) - self.assertEqual(list(arg_to_iter(c for c in "abc")), ["a", "b", "c"]) - self.assertEqual(list(arg_to_iter([1, 2, 3])), [1, 2, 3]) - self.assertEqual(list(arg_to_iter({"a": 1})), [{"a": 1}]) - self.assertEqual( - list(arg_to_iter(TestItem(name="john"))), [TestItem(name="john")] - ) + assert not list(arg_to_iter(None)) + assert list(arg_to_iter("lala")) == ["lala"] + assert list(arg_to_iter(100)) == [100] + assert list(arg_to_iter(c for c in "abc")) == ["a", "b", "c"] + assert list(arg_to_iter([1, 2, 3])) == [1, 2, 3] + assert list(arg_to_iter({"a": 1})) == [{"a": 1}] + assert list(arg_to_iter(TestItem(name="john"))) == [TestItem(name="john")] @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_create_instance(self): @@ -110,10 +107,10 @@ class UtilsMiscTestCase(unittest.TestCase): def _test_with_settings(mock, settings): create_instance(mock, settings, None, *args, **kwargs) if hasattr(mock, "from_crawler"): - self.assertEqual(mock.from_crawler.call_count, 0) + assert mock.from_crawler.call_count == 0 if hasattr(mock, "from_settings"): mock.from_settings.assert_called_once_with(settings, *args, **kwargs) - self.assertEqual(mock.call_count, 0) + assert mock.call_count == 0 else: mock.assert_called_once_with(*args, **kwargs) @@ -122,11 +119,11 @@ class UtilsMiscTestCase(unittest.TestCase): if hasattr(mock, "from_crawler"): mock.from_crawler.assert_called_once_with(crawler, *args, **kwargs) if hasattr(mock, "from_settings"): - self.assertEqual(mock.from_settings.call_count, 0) - self.assertEqual(mock.call_count, 0) + assert mock.from_settings.call_count == 0 + assert mock.call_count == 0 elif hasattr(mock, "from_settings"): mock.from_settings.assert_called_once_with(settings, *args, **kwargs) - self.assertEqual(mock.call_count, 0) + assert mock.call_count == 0 else: mock.assert_called_once_with(*args, **kwargs) @@ -172,11 +169,11 @@ class UtilsMiscTestCase(unittest.TestCase): if hasattr(mock, "from_crawler"): mock.from_crawler.assert_called_once_with(crawler, *args, **kwargs) if hasattr(mock, "from_settings"): - self.assertEqual(mock.from_settings.call_count, 0) - self.assertEqual(mock.call_count, 0) + assert mock.from_settings.call_count == 0 + assert mock.call_count == 0 elif hasattr(mock, "from_settings"): mock.from_settings.assert_called_once_with(settings, *args, **kwargs) - self.assertEqual(mock.call_count, 0) + assert mock.call_count == 0 else: mock.assert_called_once_with(*args, **kwargs) diff --git a/tests/test_utils_misc/test_return_with_argument_inside_generator.py b/tests/test_utils_misc/test_return_with_argument_inside_generator.py index 480729d11..81a83c3d7 100644 --- a/tests/test_utils_misc/test_return_with_argument_inside_generator.py +++ b/tests/test_utils_misc/test_return_with_argument_inside_generator.py @@ -1,4 +1,3 @@ -import unittest import warnings from functools import partial from unittest import mock @@ -40,7 +39,7 @@ def generator_that_returns_stuff(): return 3 -class UtilsMiscPy3TestCase(unittest.TestCase): +class TestUtilsMisc: def test_generators_return_something(self): def f1(): yield 1 @@ -77,27 +76,27 @@ https://example.org with warnings.catch_warnings(record=True) as w: warn_on_generator_with_return_value(None, top_level_return_something) - self.assertEqual(len(w), 1) - self.assertIn( - 'The "NoneType.top_level_return_something" method is a generator', - str(w[0].message), + assert len(w) == 1 + assert ( + 'The "NoneType.top_level_return_something" method is a generator' + in str(w[0].message) ) with warnings.catch_warnings(record=True) as w: warn_on_generator_with_return_value(None, f1) - self.assertEqual(len(w), 1) - self.assertIn('The "NoneType.f1" method is a generator', str(w[0].message)) + assert len(w) == 1 + assert 'The "NoneType.f1" method is a generator' in str(w[0].message) with warnings.catch_warnings(record=True) as w: warn_on_generator_with_return_value(None, g1) - self.assertEqual(len(w), 1) - self.assertIn('The "NoneType.g1" method is a generator', str(w[0].message)) + assert len(w) == 1 + assert 'The "NoneType.g1" method is a generator' in str(w[0].message) with warnings.catch_warnings(record=True) as w: warn_on_generator_with_return_value(None, h1) - self.assertEqual(len(w), 1) - self.assertIn('The "NoneType.h1" method is a generator', str(w[0].message)) + assert len(w) == 1 + assert 'The "NoneType.h1" method is a generator' in str(w[0].message) with warnings.catch_warnings(record=True) as w: warn_on_generator_with_return_value(None, i1) - self.assertEqual(len(w), 1) - self.assertIn('The "NoneType.i1" method is a generator', str(w[0].message)) + assert len(w) == 1 + assert 'The "NoneType.i1" method is a generator' in str(w[0].message) def test_generators_return_none(self): def f2(): @@ -144,28 +143,28 @@ https://example.org with warnings.catch_warnings(record=True) as w: warn_on_generator_with_return_value(None, top_level_return_none) - self.assertEqual(len(w), 0) + assert len(w) == 0 with warnings.catch_warnings(record=True) as w: warn_on_generator_with_return_value(None, f2) - self.assertEqual(len(w), 0) + assert len(w) == 0 with warnings.catch_warnings(record=True) as w: warn_on_generator_with_return_value(None, g2) - self.assertEqual(len(w), 0) + assert len(w) == 0 with warnings.catch_warnings(record=True) as w: warn_on_generator_with_return_value(None, h2) - self.assertEqual(len(w), 0) + assert len(w) == 0 with warnings.catch_warnings(record=True) as w: warn_on_generator_with_return_value(None, i2) - self.assertEqual(len(w), 0) + assert len(w) == 0 with warnings.catch_warnings(record=True) as w: warn_on_generator_with_return_value(None, j2) - self.assertEqual(len(w), 0) + assert len(w) == 0 with warnings.catch_warnings(record=True) as w: warn_on_generator_with_return_value(None, k2) - self.assertEqual(len(w), 0) + assert len(w) == 0 with warnings.catch_warnings(record=True) as w: warn_on_generator_with_return_value(None, l2) - self.assertEqual(len(w), 0) + assert len(w) == 0 def test_generators_return_none_with_decorator(self): def decorator(func): @@ -225,28 +224,28 @@ https://example.org with warnings.catch_warnings(record=True) as w: warn_on_generator_with_return_value(None, top_level_return_none) - self.assertEqual(len(w), 0) + assert len(w) == 0 with warnings.catch_warnings(record=True) as w: warn_on_generator_with_return_value(None, f3) - self.assertEqual(len(w), 0) + assert len(w) == 0 with warnings.catch_warnings(record=True) as w: warn_on_generator_with_return_value(None, g3) - self.assertEqual(len(w), 0) + assert len(w) == 0 with warnings.catch_warnings(record=True) as w: warn_on_generator_with_return_value(None, h3) - self.assertEqual(len(w), 0) + assert len(w) == 0 with warnings.catch_warnings(record=True) as w: warn_on_generator_with_return_value(None, i3) - self.assertEqual(len(w), 0) + assert len(w) == 0 with warnings.catch_warnings(record=True) as w: warn_on_generator_with_return_value(None, j3) - self.assertEqual(len(w), 0) + assert len(w) == 0 with warnings.catch_warnings(record=True) as w: warn_on_generator_with_return_value(None, k3) - self.assertEqual(len(w), 0) + assert len(w) == 0 with warnings.catch_warnings(record=True) as w: warn_on_generator_with_return_value(None, l3) - self.assertEqual(len(w), 0) + assert len(w) == 0 @mock.patch( "scrapy.utils.misc.is_generator_with_return_value", new=_indentation_error @@ -254,8 +253,8 @@ https://example.org def test_indentation_error(self): with warnings.catch_warnings(record=True) as w: warn_on_generator_with_return_value(None, top_level_return_none) - self.assertEqual(len(w), 1) - self.assertIn("Unable to determine", str(w[0].message)) + assert len(w) == 1 + assert "Unable to determine" in str(w[0].message) def test_partial(self): def cb(arg1, arg2): diff --git a/tests/test_utils_project.py b/tests/test_utils_project.py index 1d149d48d..aa250be69 100644 --- a/tests/test_utils_project.py +++ b/tests/test_utils_project.py @@ -2,7 +2,6 @@ import contextlib import os import shutil import tempfile -import unittest import warnings from pathlib import Path @@ -25,21 +24,21 @@ def inside_a_project(): shutil.rmtree(project_dir) -class ProjectUtilsTest(unittest.TestCase): +class TestProjectUtils: def test_data_path_outside_project(self): - self.assertEqual(str(Path(".scrapy", "somepath")), data_path("somepath")) + assert str(Path(".scrapy", "somepath")) == data_path("somepath") abspath = str(Path(os.path.sep, "absolute", "path")) - self.assertEqual(abspath, data_path(abspath)) + assert abspath == data_path(abspath) def test_data_path_inside_project(self): with inside_a_project() as proj_path: expected = Path(proj_path, ".scrapy", "somepath") - self.assertEqual(expected.resolve(), Path(data_path("somepath")).resolve()) + assert expected.resolve() == Path(data_path("somepath")).resolve() abspath = str(Path(os.path.sep, "absolute", "path").resolve()) - self.assertEqual(abspath, data_path(abspath)) + assert abspath == data_path(abspath) -class GetProjectSettingsTestCase(unittest.TestCase): +class TestGetProjectSettings: def test_valid_envvar(self): value = "tests.test_cmdline.settings" envvars = { diff --git a/tests/test_utils_python.py b/tests/test_utils_python.py index 3b0739276..291646ad7 100644 --- a/tests/test_utils_python.py +++ b/tests/test_utils_python.py @@ -21,18 +21,18 @@ from scrapy.utils.python import ( ) -class MutableChainTest(unittest.TestCase): +class TestMutableChain: def test_mutablechain(self): m = MutableChain(range(2), [2, 3], (4, 5)) m.extend(range(6, 7)) m.extend([7, 8]) m.extend([9, 10], (11, 12)) - self.assertEqual(next(m), 0) - self.assertEqual(m.__next__(), 1) - self.assertEqual(list(m), list(range(2, 13))) + assert next(m) == 0 + assert m.__next__() == 1 + assert list(m) == list(range(2, 13)) -class MutableAsyncChainTest(unittest.TestCase): +class TestMutableAsyncChain(unittest.TestCase): @staticmethod async def g1(): for i in range(3): @@ -62,9 +62,9 @@ class MutableAsyncChainTest(unittest.TestCase): m.extend(self.g2()) m.extend(self.g3()) - self.assertEqual(await m.__anext__(), 0) + assert await m.__anext__() == 0 results = await collect_asyncgen(m) - self.assertEqual(results, list(range(1, 10))) + assert results == list(range(1, 10)) @deferred_f_from_coro_f async def test_mutableasyncchain_exc(self): @@ -73,46 +73,46 @@ class MutableAsyncChainTest(unittest.TestCase): m.extend(self.g3()) results = await collect_asyncgen(aiter_errback(m, lambda _: None)) - self.assertEqual(results, list(range(5))) + assert results == list(range(5)) -class ToUnicodeTest(unittest.TestCase): +class TestToUnicode: def test_converting_an_utf8_encoded_string_to_unicode(self): - self.assertEqual(to_unicode(b"lel\xc3\xb1e"), "lel\xf1e") + assert to_unicode(b"lel\xc3\xb1e") == "lel\xf1e" def test_converting_a_latin_1_encoded_string_to_unicode(self): - self.assertEqual(to_unicode(b"lel\xf1e", "latin-1"), "lel\xf1e") + assert to_unicode(b"lel\xf1e", "latin-1") == "lel\xf1e" def test_converting_a_unicode_to_unicode_should_return_the_same_object(self): - self.assertEqual(to_unicode("\xf1e\xf1e\xf1e"), "\xf1e\xf1e\xf1e") + assert to_unicode("\xf1e\xf1e\xf1e") == "\xf1e\xf1e\xf1e" - def test_converting_a_strange_object_should_raise_TypeError(self): + def test_converting_a_strange_object_should_raise_type_error(self): with pytest.raises(TypeError): to_unicode(423) def test_errors_argument(self): - self.assertEqual(to_unicode(b"a\xedb", "utf-8", errors="replace"), "a\ufffdb") + assert to_unicode(b"a\xedb", "utf-8", errors="replace") == "a\ufffdb" -class ToBytesTest(unittest.TestCase): +class TestToBytes: def test_converting_a_unicode_object_to_an_utf_8_encoded_string(self): - self.assertEqual(to_bytes("\xa3 49"), b"\xc2\xa3 49") + assert to_bytes("\xa3 49") == b"\xc2\xa3 49" def test_converting_a_unicode_object_to_a_latin_1_encoded_string(self): - self.assertEqual(to_bytes("\xa3 49", "latin-1"), b"\xa3 49") + assert to_bytes("\xa3 49", "latin-1") == b"\xa3 49" def test_converting_a_regular_bytes_to_bytes_should_return_the_same_object(self): - self.assertEqual(to_bytes(b"lel\xf1e"), b"lel\xf1e") + assert to_bytes(b"lel\xf1e") == b"lel\xf1e" - def test_converting_a_strange_object_should_raise_TypeError(self): + def test_converting_a_strange_object_should_raise_type_error(self): with pytest.raises(TypeError): to_bytes(pytest) def test_errors_argument(self): - self.assertEqual(to_bytes("a\ufffdb", "latin-1", errors="replace"), b"a?b") + assert to_bytes("a\ufffdb", "latin-1", errors="replace") == b"a?b" -class MemoizedMethodTest(unittest.TestCase): +class TestMemoizedMethod: def test_memoizemethod_noargs(self): class A: @memoizemethod_noargs @@ -130,7 +130,7 @@ class MemoizedMethodTest(unittest.TestCase): assert one is not three -class BinaryIsTextTest(unittest.TestCase): +class TestBinaryIsText: def test_binaryistext(self): assert binary_is_text(b"hello") @@ -144,7 +144,7 @@ class BinaryIsTextTest(unittest.TestCase): assert not binary_is_text(b"\x02\xa3") -class UtilsPythonTestCase(unittest.TestCase): +class TestUtilsPython: @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_equal_attributes(self): class Obj: @@ -153,31 +153,31 @@ class UtilsPythonTestCase(unittest.TestCase): a = Obj() b = Obj() # no attributes given return False - self.assertFalse(equal_attributes(a, b, [])) + assert not equal_attributes(a, b, []) # nonexistent attributes - self.assertFalse(equal_attributes(a, b, ["x", "y"])) + assert not equal_attributes(a, b, ["x", "y"]) a.x = 1 b.x = 1 # equal attribute - self.assertTrue(equal_attributes(a, b, ["x"])) + assert equal_attributes(a, b, ["x"]) b.y = 2 # obj1 has no attribute y - self.assertFalse(equal_attributes(a, b, ["x", "y"])) + assert not equal_attributes(a, b, ["x", "y"]) a.y = 2 # equal attributes - self.assertTrue(equal_attributes(a, b, ["x", "y"])) + assert equal_attributes(a, b, ["x", "y"]) a.y = 1 # different attributes - self.assertFalse(equal_attributes(a, b, ["x", "y"])) + assert not equal_attributes(a, b, ["x", "y"]) # test callable a.meta = {} b.meta = {} - self.assertTrue(equal_attributes(a, b, ["meta"])) + assert equal_attributes(a, b, ["meta"]) # compare ['meta']['a'] a.meta["z"] = 1 @@ -189,10 +189,10 @@ class UtilsPythonTestCase(unittest.TestCase): def compare_z(obj): return get_z(get_meta(obj)) - self.assertTrue(equal_attributes(a, b, [compare_z, "x"])) + assert equal_attributes(a, b, [compare_z, "x"]) # fail z equality a.meta["z"] = 2 - self.assertFalse(equal_attributes(a, b, [compare_z, "x"])) + assert not equal_attributes(a, b, [compare_z, "x"]) def test_get_func_args(self): def f1(a, b, c): @@ -221,36 +221,35 @@ class UtilsPythonTestCase(unittest.TestCase): partial_f2 = functools.partial(f1, b=None) partial_f3 = functools.partial(partial_f2, None) - self.assertEqual(get_func_args(f1), ["a", "b", "c"]) - self.assertEqual(get_func_args(f2), ["a", "b", "c"]) - self.assertEqual(get_func_args(f3), ["a", "b", "c"]) - self.assertEqual(get_func_args(A), ["a", "b", "c"]) - self.assertEqual(get_func_args(a.method), ["a", "b", "c"]) - self.assertEqual(get_func_args(partial_f1), ["b", "c"]) - self.assertEqual(get_func_args(partial_f2), ["a", "c"]) - self.assertEqual(get_func_args(partial_f3), ["c"]) - self.assertEqual(get_func_args(cal), ["a", "b", "c"]) - self.assertEqual(get_func_args(object), []) - self.assertEqual(get_func_args(str.split, stripself=True), ["sep", "maxsplit"]) - self.assertEqual(get_func_args(" ".join, stripself=True), ["iterable"]) + assert get_func_args(f1) == ["a", "b", "c"] + assert get_func_args(f2) == ["a", "b", "c"] + assert get_func_args(f3) == ["a", "b", "c"] + assert get_func_args(A) == ["a", "b", "c"] + assert get_func_args(a.method) == ["a", "b", "c"] + assert get_func_args(partial_f1) == ["b", "c"] + assert get_func_args(partial_f2) == ["a", "c"] + assert get_func_args(partial_f3) == ["c"] + assert get_func_args(cal) == ["a", "b", "c"] + assert get_func_args(object) == [] + assert get_func_args(str.split, stripself=True) == ["sep", "maxsplit"] + assert get_func_args(" ".join, stripself=True) == ["iterable"] if sys.version_info >= (3, 13) or platform.python_implementation() == "PyPy": # the correct and correctly extracted signature - self.assertEqual( - get_func_args(operator.itemgetter(2), stripself=True), ["obj"] - ) + assert get_func_args(operator.itemgetter(2), stripself=True) == ["obj"] elif platform.python_implementation() == "CPython": # ["args", "kwargs"] is a correct result for the pre-3.13 incorrect function signature # [] is an incorrect result on even older CPython (https://github.com/python/cpython/issues/86951) - self.assertIn( - get_func_args(operator.itemgetter(2), stripself=True), - [[], ["args", "kwargs"]], - ) + assert get_func_args(operator.itemgetter(2), stripself=True) in [ + [], + ["args", "kwargs"], + ] def test_without_none_values(self): - self.assertEqual(without_none_values([1, None, 3, 4]), [1, 3, 4]) - self.assertEqual(without_none_values((1, None, 3, 4)), (1, 3, 4)) - self.assertEqual( - without_none_values({"one": 1, "none": None, "three": 3, "four": 4}), - {"one": 1, "three": 3, "four": 4}, - ) + assert without_none_values([1, None, 3, 4]) == [1, 3, 4] + assert without_none_values((1, None, 3, 4)) == (1, 3, 4) + assert without_none_values({"one": 1, "none": None, "three": 3, "four": 4}) == { + "one": 1, + "three": 3, + "four": 4, + } diff --git a/tests/test_utils_request.py b/tests/test_utils_request.py index 51bca9a31..5b8509753 100644 --- a/tests/test_utils_request.py +++ b/tests/test_utils_request.py @@ -1,7 +1,6 @@ from __future__ import annotations import json -import unittest import warnings from hashlib import sha1 from weakref import WeakKeyDictionary @@ -21,23 +20,23 @@ from scrapy.utils.request import ( from scrapy.utils.test import get_crawler -class UtilsRequestTest(unittest.TestCase): +class TestUtilsRequest: @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_request_authenticate(self): r = Request("http://www.example.com") request_authenticate(r, "someuser", "somepass") - self.assertEqual(r.headers["Authorization"], b"Basic c29tZXVzZXI6c29tZXBhc3M=") + assert r.headers["Authorization"] == b"Basic c29tZXVzZXI6c29tZXBhc3M=" def test_request_httprepr(self): r1 = Request("http://www.example.com") - self.assertEqual( - request_httprepr(r1), b"GET / HTTP/1.1\r\nHost: www.example.com\r\n\r\n" + assert ( + request_httprepr(r1) == b"GET / HTTP/1.1\r\nHost: www.example.com\r\n\r\n" ) r1 = Request("http://www.example.com/some/page.html?arg=1") - self.assertEqual( - request_httprepr(r1), - b"GET /some/page.html?arg=1 HTTP/1.1\r\nHost: www.example.com\r\n\r\n", + assert ( + request_httprepr(r1) + == b"GET /some/page.html?arg=1 HTTP/1.1\r\nHost: www.example.com\r\n\r\n" ) r1 = Request( @@ -46,9 +45,9 @@ class UtilsRequestTest(unittest.TestCase): headers={"Content-type": b"text/html"}, body=b"Some body", ) - self.assertEqual( - request_httprepr(r1), - b"POST / HTTP/1.1\r\nHost: www.example.com\r\nContent-Type: text/html\r\n\r\nSome body", + assert ( + request_httprepr(r1) + == b"POST / HTTP/1.1\r\nHost: www.example.com\r\nContent-Type: text/html\r\n\r\nSome body" ) def test_request_httprepr_for_non_http_request(self): @@ -57,7 +56,7 @@ class UtilsRequestTest(unittest.TestCase): request_httprepr(Request("ftp://localhost/tmp/foo.txt")) -class FingerprintTest(unittest.TestCase): +class TestFingerprint: maxDiff = None function: staticmethod = staticmethod(fingerprint) @@ -147,23 +146,23 @@ class FingerprintTest(unittest.TestCase): def test_query_string_key_order(self): r1 = Request("http://www.example.com/query?id=111&cat=222") r2 = Request("http://www.example.com/query?cat=222&id=111") - self.assertEqual(self.function(r1), self.function(r1)) - self.assertEqual(self.function(r1), self.function(r2)) + assert self.function(r1) == self.function(r1) + assert self.function(r1) == self.function(r2) def test_query_string_key_without_value(self): r1 = Request("http://www.example.com/hnnoticiaj1.aspx?78132,199") r2 = Request("http://www.example.com/hnnoticiaj1.aspx?78160,199") - self.assertNotEqual(self.function(r1), self.function(r2)) + assert self.function(r1) != self.function(r2) def test_caching(self): r1 = Request("http://www.example.com/hnnoticiaj1.aspx?78160,199") - self.assertEqual(self.function(r1), self.cache[r1][self.default_cache_key]) + assert self.function(r1) == self.cache[r1][self.default_cache_key] def test_header(self): r1 = Request("http://www.example.com/members/offers.html") r2 = Request("http://www.example.com/members/offers.html") r2.headers["SESSIONID"] = b"somehash" - self.assertEqual(self.function(r1), self.function(r2)) + assert self.function(r1) == self.function(r2) def test_headers(self): r1 = Request("http://www.example.com/") @@ -173,36 +172,35 @@ class FingerprintTest(unittest.TestCase): r3.headers["Accept-Language"] = b"en" r3.headers["SESSIONID"] = b"somehash" - self.assertEqual(self.function(r1), self.function(r2), self.function(r3)) + assert self.function(r1) == self.function(r2) == self.function(r3) - self.assertEqual( - self.function(r1), self.function(r1, include_headers=["Accept-Language"]) + assert self.function(r1) == self.function( + r1, include_headers=["Accept-Language"] ) - self.assertNotEqual( - self.function(r1), self.function(r2, include_headers=["Accept-Language"]) + assert self.function(r1) != self.function( + r2, include_headers=["Accept-Language"] ) - self.assertEqual( - self.function(r3, include_headers=["accept-language", "sessionid"]), - self.function(r3, include_headers=["SESSIONID", "Accept-Language"]), - ) + assert self.function( + r3, include_headers=["accept-language", "sessionid"] + ) == self.function(r3, include_headers=["SESSIONID", "Accept-Language"]) def test_fragment(self): r1 = Request("http://www.example.com/test.html") r2 = Request("http://www.example.com/test.html#fragment") - self.assertEqual(self.function(r1), self.function(r2)) - self.assertEqual(self.function(r1), self.function(r1, keep_fragments=True)) - self.assertNotEqual(self.function(r2), self.function(r2, keep_fragments=True)) - self.assertNotEqual(self.function(r1), self.function(r2, keep_fragments=True)) + assert self.function(r1) == self.function(r2) + assert self.function(r1) == self.function(r1, keep_fragments=True) + assert self.function(r2) != self.function(r2, keep_fragments=True) + assert self.function(r1) != self.function(r2, keep_fragments=True) def test_method_and_body(self): r1 = Request("http://www.example.com") r2 = Request("http://www.example.com", method="POST") r3 = Request("http://www.example.com", method="POST", body=b"request body") - self.assertNotEqual(self.function(r1), self.function(r2)) - self.assertNotEqual(self.function(r2), self.function(r3)) + assert self.function(r1) != self.function(r2) + assert self.function(r2) != self.function(r3) def test_request_replace(self): # cached fingerprint must be cleared on request copy @@ -210,7 +208,7 @@ class FingerprintTest(unittest.TestCase): fp1 = self.function(r1) r2 = r1.replace(url="http://www.example.com/other") fp2 = self.function(r2) - self.assertNotEqual(fp1, fp2) + assert fp1 != fp2 def test_part_separation(self): # An old implementation used to serialize request data in a way that @@ -219,7 +217,7 @@ class FingerprintTest(unittest.TestCase): fp1 = self.function(r1) r2 = Request("http://www.example.com/f", body=b"oo") fp2 = self.function(r2) - self.assertNotEqual(fp1, fp2) + assert fp1 != fp2 def test_hashes(self): """Test hardcoded hashes, to make sure future changes to not introduce @@ -228,7 +226,7 @@ class FingerprintTest(unittest.TestCase): self.function(request, **kwargs) for request, _, kwargs in self.known_hashes ] expected = [_fingerprint for _, _fingerprint, _ in self.known_hashes] - self.assertEqual(actual, expected) + assert actual == expected REQUEST_OBJECTS_TO_TEST = ( @@ -260,13 +258,12 @@ REQUEST_OBJECTS_TO_TEST = ( ) -class RequestFingerprinterTestCase(unittest.TestCase): +class TestRequestFingerprinter: def test_default_implementation(self): crawler = get_crawler() request = Request("https://example.com") - self.assertEqual( - crawler.request_fingerprinter.fingerprint(request), - fingerprint(request), + assert crawler.request_fingerprinter.fingerprint(request) == fingerprint( + request ) def test_deprecated_implementation(self): @@ -276,14 +273,13 @@ class RequestFingerprinterTestCase(unittest.TestCase): with warnings.catch_warnings(record=True) as logged_warnings: crawler = get_crawler(settings_dict=settings) request = Request("https://example.com") - self.assertEqual( - crawler.request_fingerprinter.fingerprint(request), - fingerprint(request), + assert crawler.request_fingerprinter.fingerprint(request) == fingerprint( + request ) - self.assertTrue(logged_warnings) + assert logged_warnings -class CustomRequestFingerprinterTestCase(unittest.TestCase): +class TestCustomRequestFingerprinter: def test_include_headers(self): class RequestFingerprinter: def fingerprint(self, request): @@ -298,7 +294,7 @@ class CustomRequestFingerprinterTestCase(unittest.TestCase): fp1 = crawler.request_fingerprinter.fingerprint(r1) r2 = Request("http://www.example.com", headers={"X-ID": "2"}) fp2 = crawler.request_fingerprinter.fingerprint(r2) - self.assertNotEqual(fp1, fp2) + assert fp1 != fp2 def test_dont_canonicalize(self): class RequestFingerprinter: @@ -320,7 +316,7 @@ class CustomRequestFingerprinterTestCase(unittest.TestCase): fp1 = crawler.request_fingerprinter.fingerprint(r1) r2 = Request("http://www.example.com?a=2&a=1") fp2 = crawler.request_fingerprinter.fingerprint(r2) - self.assertNotEqual(fp1, fp2) + assert fp1 != fp2 def test_meta(self): class RequestFingerprinter: @@ -342,10 +338,10 @@ class CustomRequestFingerprinterTestCase(unittest.TestCase): fp3 = crawler.request_fingerprinter.fingerprint(r3) r4 = Request("http://www.example.com", meta={"fingerprint": "b"}) fp4 = crawler.request_fingerprinter.fingerprint(r4) - self.assertNotEqual(fp1, fp2) - self.assertNotEqual(fp1, fp4) - self.assertNotEqual(fp2, fp4) - self.assertEqual(fp2, fp3) + assert fp1 != fp2 + assert fp1 != fp4 + assert fp2 != fp4 + assert fp2 == fp3 def test_from_crawler(self): class RequestFingerprinter: @@ -367,7 +363,7 @@ class CustomRequestFingerprinterTestCase(unittest.TestCase): request = Request("http://www.example.com") fingerprint = crawler.request_fingerprinter.fingerprint(request) - self.assertEqual(fingerprint, settings["FINGERPRINT"]) + assert fingerprint == settings["FINGERPRINT"] def test_from_settings(self): class RequestFingerprinter: @@ -391,7 +387,7 @@ class CustomRequestFingerprinterTestCase(unittest.TestCase): request = Request("http://www.example.com") fingerprint = crawler.request_fingerprinter.fingerprint(request) - self.assertEqual(fingerprint, settings["FINGERPRINT"]) + assert fingerprint == settings["FINGERPRINT"] def test_from_crawler_and_settings(self): class RequestFingerprinter: @@ -418,13 +414,13 @@ class CustomRequestFingerprinterTestCase(unittest.TestCase): request = Request("http://www.example.com") fingerprint = crawler.request_fingerprinter.fingerprint(request) - self.assertEqual(fingerprint, settings["FINGERPRINT"]) + assert fingerprint == settings["FINGERPRINT"] -class RequestToCurlTest(unittest.TestCase): +class TestRequestToCurl: def _test_request(self, request_object, expected_curl_command): curl_command = request_to_curl(request_object) - self.assertEqual(curl_command, expected_curl_command) + assert curl_command == expected_curl_command def test_get(self): request_object = Request("https://www.example.com") diff --git a/tests/test_utils_response.py b/tests/test_utils_response.py index af7906781..80f2f25d5 100644 --- a/tests/test_utils_response.py +++ b/tests/test_utils_response.py @@ -1,4 +1,3 @@ -import unittest from pathlib import Path from time import process_time from urllib.parse import urlparse @@ -16,7 +15,7 @@ from scrapy.utils.response import ( ) -class ResponseUtilsTest(unittest.TestCase): +class TestResponseUtils: dummy_response = TextResponse(url="http://example.org/", body=b"dummy_response") def test_open_in_browser(self): @@ -28,7 +27,7 @@ class ResponseUtilsTest(unittest.TestCase): if not path or not Path(path).exists(): path = burl.replace("file://", "") bbody = Path(path).read_bytes() - self.assertIn(b'<base href="' + to_bytes(url) + b'">', bbody) + assert b'<base href="' + to_bytes(url) + b'">' in bbody return True response = HtmlResponse(url, body=body) @@ -68,9 +67,9 @@ class ResponseUtilsTest(unittest.TestCase): </script> """, ) - self.assertEqual(get_meta_refresh(r1), (5.0, "http://example.org/newpage")) - self.assertEqual(get_meta_refresh(r2), (None, None)) - self.assertEqual(get_meta_refresh(r3), (None, None)) + assert get_meta_refresh(r1) == (5.0, "http://example.org/newpage") + assert get_meta_refresh(r2) == (None, None) + assert get_meta_refresh(r3) == (None, None) def test_get_base_url(self): resp = HtmlResponse( @@ -81,19 +80,19 @@ class ResponseUtilsTest(unittest.TestCase): <body>blahablsdfsal&</body> </html>""", ) - self.assertEqual(get_base_url(resp), "http://www.example.com/img/") + assert get_base_url(resp) == "http://www.example.com/img/" resp2 = HtmlResponse( "http://www.example.com", body=b""" <html><body>blahablsdfsal&</body></html>""", ) - self.assertEqual(get_base_url(resp2), "http://www.example.com") + assert get_base_url(resp2) == "http://www.example.com" def test_response_status_message(self): - self.assertEqual(response_status_message(200), "200 OK") - self.assertEqual(response_status_message(404), "404 Not Found") - self.assertEqual(response_status_message(573), "573 Unknown Status") + assert response_status_message(200) == "200 OK" + assert response_status_message(404) == "404 Not Found" + assert response_status_message(573) == "573 Unknown Status" def test_inject_base_url(self): url = "http://www.example.com" @@ -103,7 +102,7 @@ class ResponseUtilsTest(unittest.TestCase): if not path or not Path(path).exists(): path = burl.replace("file://", "") bbody = Path(path).read_bytes() - self.assertEqual(bbody.count(b'<base href="' + to_bytes(url) + b'">'), 1) + assert bbody.count(b'<base href="' + to_bytes(url) + b'">') == 1 return True r1 = HtmlResponse( @@ -185,7 +184,7 @@ class ResponseUtilsTest(unittest.TestCase): open_in_browser(response, lambda url: True) end_time = process_time() - self.assertLess(end_time - start_time, MAX_CPU_TIME) + assert end_time - start_time < MAX_CPU_TIME def test_open_in_browser_redos_head(self): MAX_CPU_TIME = 0.02 @@ -202,7 +201,7 @@ class ResponseUtilsTest(unittest.TestCase): open_in_browser(response, lambda url: True) end_time = process_time() - self.assertLess(end_time - start_time, MAX_CPU_TIME) + assert end_time - start_time < MAX_CPU_TIME @pytest.mark.parametrize( diff --git a/tests/test_utils_serialize.py b/tests/test_utils_serialize.py index 055db4e5b..2ee3850b0 100644 --- a/tests/test_utils_serialize.py +++ b/tests/test_utils_serialize.py @@ -1,7 +1,6 @@ import dataclasses import datetime import json -import unittest from decimal import Decimal import attr @@ -11,8 +10,8 @@ from scrapy.http import Request, Response from scrapy.utils.serialize import ScrapyJSONEncoder -class JsonEncoderTestCase(unittest.TestCase): - def setUp(self): +class TestJsonEncoder: + def setup_method(self): self.encoder = ScrapyJSONEncoder(sort_keys=True) def test_encode_decode(self): @@ -39,24 +38,22 @@ class JsonEncoderTestCase(unittest.TestCase): (s, ss), (dt_set, dt_sets), ]: - self.assertEqual( - self.encoder.encode(input), json.dumps(output, sort_keys=True) - ) + assert self.encoder.encode(input) == json.dumps(output, sort_keys=True) def test_encode_deferred(self): - self.assertIn("Deferred", self.encoder.encode(defer.Deferred())) + assert "Deferred" in self.encoder.encode(defer.Deferred()) def test_encode_request(self): r = Request("http://www.example.com/lala") rs = self.encoder.encode(r) - self.assertIn(r.method, rs) - self.assertIn(r.url, rs) + assert r.method in rs + assert r.url in rs def test_encode_response(self): r = Response("http://www.example.com/lala") rs = self.encoder.encode(r) - self.assertIn(r.url, rs) - self.assertIn(str(r.status), rs) + assert r.url in rs + assert str(r.status) in rs def test_encode_dataclass_item(self) -> None: @dataclasses.dataclass @@ -67,9 +64,7 @@ class JsonEncoderTestCase(unittest.TestCase): item = TestDataClass(name="Product", url="http://product.org", price=1) encoded = self.encoder.encode(item) - self.assertEqual( - encoded, '{"name": "Product", "price": 1, "url": "http://product.org"}' - ) + assert encoded == '{"name": "Product", "price": 1, "url": "http://product.org"}' def test_encode_attrs_item(self): @attr.s @@ -80,6 +75,4 @@ class JsonEncoderTestCase(unittest.TestCase): item = AttrsItem(name="Product", url="http://product.org", price=1) encoded = self.encoder.encode(item) - self.assertEqual( - encoded, '{"name": "Product", "price": 1, "url": "http://product.org"}' - ) + assert encoded == '{"name": "Product", "price": 1, "url": "http://product.org"}' diff --git a/tests/test_utils_signal.py b/tests/test_utils_signal.py index 858813e83..751a77031 100644 --- a/tests/test_utils_signal.py +++ b/tests/test_utils_signal.py @@ -11,7 +11,7 @@ from scrapy.utils.signal import send_catch_log, send_catch_log_deferred from scrapy.utils.test import get_from_asyncio_queue -class SendCatchLogTest(unittest.TestCase): +class TestSendCatchLog(unittest.TestCase): @defer.inlineCallbacks def test_send_catch_log(self): test_signal = object() @@ -29,13 +29,13 @@ class SendCatchLogTest(unittest.TestCase): assert self.error_handler in handlers_called assert self.ok_handler in handlers_called - self.assertEqual(len(log.records), 1) + assert len(log.records) == 1 record = log.records[0] - self.assertIn("error_handler", record.getMessage()) - self.assertEqual(record.levelname, "ERROR") - self.assertEqual(result[0][0], self.error_handler) - self.assertIsInstance(result[0][1], Failure) - self.assertEqual(result[1], (self.ok_handler, "OK")) + assert "error_handler" in record.getMessage() + assert record.levelname == "ERROR" + assert result[0][0] == self.error_handler # pylint: disable=comparison-with-callable + assert isinstance(result[0][1], Failure) + assert result[1] == (self.ok_handler, "OK") dispatcher.disconnect(self.error_handler, signal=test_signal) dispatcher.disconnect(self.ok_handler, signal=test_signal) @@ -53,7 +53,7 @@ class SendCatchLogTest(unittest.TestCase): return "OK" -class SendCatchLogDeferredTest(SendCatchLogTest): +class SendCatchLogDeferredTest(TestSendCatchLog): def _get_result(self, signal, *a, **kw): return send_catch_log_deferred(signal, *a, **kw) @@ -85,7 +85,7 @@ class SendCatchLogDeferredAsyncioTest(SendCatchLogDeferredTest): return await get_from_asyncio_queue("OK") -class SendCatchLogTest2(unittest.TestCase): +class TestSendCatchLog2: def test_error_logged_if_deferred_not_supported(self): def test_handler(): return defer.Deferred() @@ -94,6 +94,6 @@ class SendCatchLogTest2(unittest.TestCase): dispatcher.connect(test_handler, test_signal) with LogCapture() as log: send_catch_log(test_signal) - self.assertEqual(len(log.records), 1) - self.assertIn("Cannot return deferreds from signal handler", str(log)) + assert len(log.records) == 1 + assert "Cannot return deferreds from signal handler" in str(log) dispatcher.disconnect(test_handler, test_signal) diff --git a/tests/test_utils_sitemap.py b/tests/test_utils_sitemap.py index 69a459d8b..36d612009 100644 --- a/tests/test_utils_sitemap.py +++ b/tests/test_utils_sitemap.py @@ -1,9 +1,7 @@ -import unittest - from scrapy.utils.sitemap import Sitemap, sitemap_urls_from_robots -class SitemapTest(unittest.TestCase): +class TestSitemap: def test_sitemap(self): s = Sitemap( b"""<?xml version="1.0" encoding="UTF-8"?> @@ -23,23 +21,20 @@ class SitemapTest(unittest.TestCase): </urlset>""" ) assert s.type == "urlset" - self.assertEqual( - list(s), - [ - { - "priority": "1", - "loc": "http://www.example.com/", - "lastmod": "2009-08-16", - "changefreq": "daily", - }, - { - "priority": "0.8", - "loc": "http://www.example.com/Special-Offers.html", - "lastmod": "2009-08-16", - "changefreq": "weekly", - }, - ], - ) + assert list(s) == [ + { + "priority": "1", + "loc": "http://www.example.com/", + "lastmod": "2009-08-16", + "changefreq": "daily", + }, + { + "priority": "0.8", + "loc": "http://www.example.com/Special-Offers.html", + "lastmod": "2009-08-16", + "changefreq": "weekly", + }, + ] def test_sitemap_index(self): s = Sitemap( @@ -56,19 +51,16 @@ class SitemapTest(unittest.TestCase): </sitemapindex>""" ) assert s.type == "sitemapindex" - self.assertEqual( - list(s), - [ - { - "loc": "http://www.example.com/sitemap1.xml.gz", - "lastmod": "2004-10-01T18:23:17+00:00", - }, - { - "loc": "http://www.example.com/sitemap2.xml.gz", - "lastmod": "2005-01-01", - }, - ], - ) + assert list(s) == [ + { + "loc": "http://www.example.com/sitemap1.xml.gz", + "lastmod": "2004-10-01T18:23:17+00:00", + }, + { + "loc": "http://www.example.com/sitemap2.xml.gz", + "lastmod": "2005-01-01", + }, + ] def test_sitemap_strip(self): """Assert we can deal with trailing spaces inside <loc> tags - we've @@ -90,18 +82,15 @@ class SitemapTest(unittest.TestCase): </urlset> """ ) - self.assertEqual( - list(s), - [ - { - "priority": "1", - "loc": "http://www.example.com/", - "lastmod": "2009-08-16", - "changefreq": "daily", - }, - {"loc": "http://www.example.com/2", "lastmod": ""}, - ], - ) + assert list(s) == [ + { + "priority": "1", + "loc": "http://www.example.com/", + "lastmod": "2009-08-16", + "changefreq": "daily", + }, + {"loc": "http://www.example.com/2", "lastmod": ""}, + ] def test_sitemap_wrong_ns(self): """We have seen sitemaps with wrongs ns. Presumably, Google still works @@ -122,18 +111,15 @@ class SitemapTest(unittest.TestCase): </urlset> """ ) - self.assertEqual( - list(s), - [ - { - "priority": "1", - "loc": "http://www.example.com/", - "lastmod": "2009-08-16", - "changefreq": "daily", - }, - {"loc": "http://www.example.com/2", "lastmod": ""}, - ], - ) + assert list(s) == [ + { + "priority": "1", + "loc": "http://www.example.com/", + "lastmod": "2009-08-16", + "changefreq": "daily", + }, + {"loc": "http://www.example.com/2", "lastmod": ""}, + ] def test_sitemap_wrong_ns2(self): """We have seen sitemaps with wrongs ns. Presumably, Google still works @@ -155,18 +141,15 @@ class SitemapTest(unittest.TestCase): """ ) assert s.type == "urlset" - self.assertEqual( - list(s), - [ - { - "priority": "1", - "loc": "http://www.example.com/", - "lastmod": "2009-08-16", - "changefreq": "daily", - }, - {"loc": "http://www.example.com/2", "lastmod": ""}, - ], - ) + assert list(s) == [ + { + "priority": "1", + "loc": "http://www.example.com/", + "lastmod": "2009-08-16", + "changefreq": "daily", + }, + {"loc": "http://www.example.com/2", "lastmod": ""}, + ] def test_sitemap_urls_from_robots(self): robots = """User-agent: * @@ -187,15 +170,14 @@ Sitemap: /sitemap-relative-url.xml Disallow: /forum/search/ Disallow: /forum/active/ """ - self.assertEqual( - list(sitemap_urls_from_robots(robots, base_url="http://example.com")), - [ - "http://example.com/sitemap.xml", - "http://example.com/sitemap-product-index.xml", - "http://example.com/sitemap-uppercase.xml", - "http://example.com/sitemap-relative-url.xml", - ], - ) + assert list( + sitemap_urls_from_robots(robots, base_url="http://example.com") + ) == [ + "http://example.com/sitemap.xml", + "http://example.com/sitemap-product-index.xml", + "http://example.com/sitemap-uppercase.xml", + "http://example.com/sitemap-relative-url.xml", + ] def test_sitemap_blanklines(self): """Assert we can deal with starting blank lines before <xml> tag""" @@ -224,14 +206,11 @@ Disallow: /forum/active/ </sitemapindex> """ ) - self.assertEqual( - list(s), - [ - {"lastmod": "2013-07-15", "loc": "http://www.example.com/sitemap1.xml"}, - {"lastmod": "2013-07-15", "loc": "http://www.example.com/sitemap2.xml"}, - {"lastmod": "2013-07-15", "loc": "http://www.example.com/sitemap3.xml"}, - ], - ) + assert list(s) == [ + {"lastmod": "2013-07-15", "loc": "http://www.example.com/sitemap1.xml"}, + {"lastmod": "2013-07-15", "loc": "http://www.example.com/sitemap2.xml"}, + {"lastmod": "2013-07-15", "loc": "http://www.example.com/sitemap3.xml"}, + ] def test_comment(self): s = Sitemap( @@ -245,7 +224,7 @@ Disallow: /forum/active/ </urlset>""" ) - self.assertEqual(list(s), [{"loc": "http://www.example.com/"}]) + assert list(s) == [{"loc": "http://www.example.com/"}] def test_alternate(self): s = Sitemap( @@ -265,19 +244,16 @@ Disallow: /forum/active/ </urlset>""" ) - self.assertEqual( - list(s), - [ - { - "loc": "http://www.example.com/english/", - "alternate": [ - "http://www.example.com/deutsch/", - "http://www.example.com/schweiz-deutsch/", - "http://www.example.com/english/", - ], - } - ], - ) + assert list(s) == [ + { + "loc": "http://www.example.com/english/", + "alternate": [ + "http://www.example.com/deutsch/", + "http://www.example.com/schweiz-deutsch/", + "http://www.example.com/english/", + ], + } + ] def test_xml_entity_expansion(self): s = Sitemap( @@ -294,4 +270,4 @@ Disallow: /forum/active/ """ ) - self.assertEqual(list(s), [{"loc": "http://127.0.0.1:8000/"}]) + assert list(s) == [{"loc": "http://127.0.0.1:8000/"}] diff --git a/tests/test_utils_spider.py b/tests/test_utils_spider.py index df8f37103..43e603f6c 100644 --- a/tests/test_utils_spider.py +++ b/tests/test_utils_spider.py @@ -1,5 +1,3 @@ -import unittest - from scrapy import Spider from scrapy.http import Request from scrapy.item import Item @@ -14,19 +12,19 @@ class MySpider2(Spider): name = "myspider2" -class UtilsSpidersTestCase(unittest.TestCase): +class TestUtilsSpiders: def test_iterate_spider_output(self): i = Item() r = Request("http://scrapytest.org") o = object() - self.assertEqual(list(iterate_spider_output(i)), [i]) - self.assertEqual(list(iterate_spider_output(r)), [r]) - self.assertEqual(list(iterate_spider_output(o)), [o]) - self.assertEqual(list(iterate_spider_output([r, i, o])), [r, i, o]) + assert list(iterate_spider_output(i)) == [i] + assert list(iterate_spider_output(r)) == [r] + assert list(iterate_spider_output(o)) == [o] + assert list(iterate_spider_output([r, i, o])) == [r, i, o] def test_iter_spider_classes(self): import tests.test_utils_spider # noqa: PLW0406 # pylint: disable=import-self it = iter_spider_classes(tests.test_utils_spider) - self.assertEqual(set(it), {MySpider1, MySpider2}) + assert set(it) == {MySpider1, MySpider2} diff --git a/tests/test_utils_template.py b/tests/test_utils_template.py index fc6c33200..0b845fdb0 100644 --- a/tests/test_utils_template.py +++ b/tests/test_utils_template.py @@ -1,4 +1,3 @@ -import unittest from pathlib import Path from shutil import rmtree from tempfile import mkdtemp @@ -6,11 +5,11 @@ from tempfile import mkdtemp from scrapy.utils.template import render_templatefile -class UtilsRenderTemplateFileTestCase(unittest.TestCase): - def setUp(self): +class TestUtilsRenderTemplateFile: + def setup_method(self): self.tmp_path = mkdtemp() - def tearDown(self): + def teardown_method(self): rmtree(self.tmp_path) def test_simple_render(self): @@ -26,8 +25,8 @@ class UtilsRenderTemplateFileTestCase(unittest.TestCase): render_templatefile(template_path, **context) - self.assertFalse(template_path.exists()) - self.assertEqual(render_path.read_text(encoding="utf8"), rendered) + assert not template_path.exists() + assert render_path.read_text(encoding="utf8") == rendered render_path.unlink() assert not render_path.exists() # Failure of test itself diff --git a/tests/test_utils_trackref.py b/tests/test_utils_trackref.py index 58efad585..a945163ef 100644 --- a/tests/test_utils_trackref.py +++ b/tests/test_utils_trackref.py @@ -1,4 +1,3 @@ -import unittest from io import StringIO from time import sleep, time from unittest import mock @@ -16,48 +15,48 @@ class Bar(trackref.object_ref): pass -class TrackrefTestCase(unittest.TestCase): - def setUp(self): +class TestTrackref: + def setup_method(self): trackref.live_refs.clear() def test_format_live_refs(self): o1 = Foo() # noqa: F841 o2 = Bar() # noqa: F841 o3 = Foo() # noqa: F841 - self.assertEqual( - trackref.format_live_refs(), - """\ + assert ( + trackref.format_live_refs() + == """\ Live References Bar 1 oldest: 0s ago Foo 2 oldest: 0s ago -""", +""" ) - self.assertEqual( - trackref.format_live_refs(ignore=Foo), - """\ + assert ( + trackref.format_live_refs(ignore=Foo) + == """\ Live References Bar 1 oldest: 0s ago -""", +""" ) @mock.patch("sys.stdout", new_callable=StringIO) def test_print_live_refs_empty(self, stdout): trackref.print_live_refs() - self.assertEqual(stdout.getvalue(), "Live References\n\n\n") + assert stdout.getvalue() == "Live References\n\n\n" @mock.patch("sys.stdout", new_callable=StringIO) def test_print_live_refs_with_objects(self, stdout): o1 = Foo() # noqa: F841 trackref.print_live_refs() - self.assertEqual( - stdout.getvalue(), - """\ + assert ( + stdout.getvalue() + == """\ Live References -Foo 1 oldest: 0s ago\n\n""", +Foo 1 oldest: 0s ago\n\n""" ) def test_get_oldest(self): @@ -75,15 +74,12 @@ Foo 1 oldest: 0s ago\n\n""", raise SkipTest("time.time is not precise enough") o3 = Foo() # noqa: F841 - self.assertIs(trackref.get_oldest("Foo"), o1) - self.assertIs(trackref.get_oldest("Bar"), o2) - self.assertIsNone(trackref.get_oldest("XXX")) + assert trackref.get_oldest("Foo") is o1 + assert trackref.get_oldest("Bar") is o2 + assert trackref.get_oldest("XXX") is None def test_iter_all(self): o1 = Foo() o2 = Bar() # noqa: F841 o3 = Foo() - self.assertEqual( - set(trackref.iter_all("Foo")), - {o1, o3}, - ) + assert set(trackref.iter_all("Foo")) == {o1, o3} diff --git a/tests/test_utils_url.py b/tests/test_utils_url.py index e99ef40c4..5841d6866 100644 --- a/tests/test_utils_url.py +++ b/tests/test_utils_url.py @@ -18,301 +18,240 @@ from scrapy.utils.url import ( # type: ignore[attr-defined] ) -class UrlUtilsTest(unittest.TestCase): +class TestUrlUtils: def test_url_is_from_any_domain(self): url = "http://www.wheele-bin-art.co.uk/get/product/123" - self.assertTrue(url_is_from_any_domain(url, ["wheele-bin-art.co.uk"])) - self.assertFalse(url_is_from_any_domain(url, ["art.co.uk"])) + assert url_is_from_any_domain(url, ["wheele-bin-art.co.uk"]) + assert not url_is_from_any_domain(url, ["art.co.uk"]) url = "http://wheele-bin-art.co.uk/get/product/123" - self.assertTrue(url_is_from_any_domain(url, ["wheele-bin-art.co.uk"])) - self.assertFalse(url_is_from_any_domain(url, ["art.co.uk"])) + assert url_is_from_any_domain(url, ["wheele-bin-art.co.uk"]) + assert not url_is_from_any_domain(url, ["art.co.uk"]) url = "http://www.Wheele-Bin-Art.co.uk/get/product/123" - self.assertTrue(url_is_from_any_domain(url, ["wheele-bin-art.CO.UK"])) - self.assertTrue(url_is_from_any_domain(url, ["WHEELE-BIN-ART.CO.UK"])) + assert url_is_from_any_domain(url, ["wheele-bin-art.CO.UK"]) + assert url_is_from_any_domain(url, ["WHEELE-BIN-ART.CO.UK"]) url = "http://192.169.0.15:8080/mypage.html" - self.assertTrue(url_is_from_any_domain(url, ["192.169.0.15:8080"])) - self.assertFalse(url_is_from_any_domain(url, ["192.169.0.15"])) + assert url_is_from_any_domain(url, ["192.169.0.15:8080"]) + assert not url_is_from_any_domain(url, ["192.169.0.15"]) url = ( "javascript:%20document.orderform_2581_1190810811.mode.value=%27add%27;%20" "javascript:%20document.orderform_2581_1190810811.submit%28%29" ) - self.assertFalse(url_is_from_any_domain(url, ["testdomain.com"])) - self.assertFalse( - url_is_from_any_domain(url + ".testdomain.com", ["testdomain.com"]) - ) + assert not url_is_from_any_domain(url, ["testdomain.com"]) + assert not url_is_from_any_domain(url + ".testdomain.com", ["testdomain.com"]) def test_url_is_from_spider(self): spider = Spider(name="example.com") - self.assertTrue( - url_is_from_spider("http://www.example.com/some/page.html", spider) - ) - self.assertTrue( - url_is_from_spider("http://sub.example.com/some/page.html", spider) - ) - self.assertFalse( - url_is_from_spider("http://www.example.org/some/page.html", spider) - ) - self.assertFalse( - url_is_from_spider("http://www.example.net/some/page.html", spider) - ) + assert url_is_from_spider("http://www.example.com/some/page.html", spider) + assert url_is_from_spider("http://sub.example.com/some/page.html", spider) + assert not url_is_from_spider("http://www.example.org/some/page.html", spider) + assert not url_is_from_spider("http://www.example.net/some/page.html", spider) def test_url_is_from_spider_class_attributes(self): class MySpider(Spider): name = "example.com" - self.assertTrue( - url_is_from_spider("http://www.example.com/some/page.html", MySpider) - ) - self.assertTrue( - url_is_from_spider("http://sub.example.com/some/page.html", MySpider) - ) - self.assertFalse( - url_is_from_spider("http://www.example.org/some/page.html", MySpider) - ) - self.assertFalse( - url_is_from_spider("http://www.example.net/some/page.html", MySpider) - ) + assert url_is_from_spider("http://www.example.com/some/page.html", MySpider) + assert url_is_from_spider("http://sub.example.com/some/page.html", MySpider) + assert not url_is_from_spider("http://www.example.org/some/page.html", MySpider) + assert not url_is_from_spider("http://www.example.net/some/page.html", MySpider) def test_url_is_from_spider_with_allowed_domains(self): spider = Spider( name="example.com", allowed_domains=["example.org", "example.net"] ) - self.assertTrue( - url_is_from_spider("http://www.example.com/some/page.html", spider) - ) - self.assertTrue( - url_is_from_spider("http://sub.example.com/some/page.html", spider) - ) - self.assertTrue(url_is_from_spider("http://example.com/some/page.html", spider)) - self.assertTrue( - url_is_from_spider("http://www.example.org/some/page.html", spider) - ) - self.assertTrue( - url_is_from_spider("http://www.example.net/some/page.html", spider) - ) - self.assertFalse( - url_is_from_spider("http://www.example.us/some/page.html", spider) - ) + assert url_is_from_spider("http://www.example.com/some/page.html", spider) + assert url_is_from_spider("http://sub.example.com/some/page.html", spider) + assert url_is_from_spider("http://example.com/some/page.html", spider) + assert url_is_from_spider("http://www.example.org/some/page.html", spider) + assert url_is_from_spider("http://www.example.net/some/page.html", spider) + assert not url_is_from_spider("http://www.example.us/some/page.html", spider) spider = Spider( name="example.com", allowed_domains={"example.com", "example.net"} ) - self.assertTrue( - url_is_from_spider("http://www.example.com/some/page.html", spider) - ) + assert url_is_from_spider("http://www.example.com/some/page.html", spider) spider = Spider( name="example.com", allowed_domains=("example.com", "example.net") ) - self.assertTrue( - url_is_from_spider("http://www.example.com/some/page.html", spider) - ) + assert url_is_from_spider("http://www.example.com/some/page.html", spider) def test_url_is_from_spider_with_allowed_domains_class_attributes(self): class MySpider(Spider): name = "example.com" allowed_domains = ("example.org", "example.net") - self.assertTrue( - url_is_from_spider("http://www.example.com/some/page.html", MySpider) - ) - self.assertTrue( - url_is_from_spider("http://sub.example.com/some/page.html", MySpider) - ) - self.assertTrue( - url_is_from_spider("http://example.com/some/page.html", MySpider) - ) - self.assertTrue( - url_is_from_spider("http://www.example.org/some/page.html", MySpider) - ) - self.assertTrue( - url_is_from_spider("http://www.example.net/some/page.html", MySpider) - ) - self.assertFalse( - url_is_from_spider("http://www.example.us/some/page.html", MySpider) - ) + assert url_is_from_spider("http://www.example.com/some/page.html", MySpider) + assert url_is_from_spider("http://sub.example.com/some/page.html", MySpider) + assert url_is_from_spider("http://example.com/some/page.html", MySpider) + assert url_is_from_spider("http://www.example.org/some/page.html", MySpider) + assert url_is_from_spider("http://www.example.net/some/page.html", MySpider) + assert not url_is_from_spider("http://www.example.us/some/page.html", MySpider) def test_url_has_any_extension(self): deny_extensions = {"." + e for e in arg_to_iter(IGNORED_EXTENSIONS)} - self.assertTrue( - url_has_any_extension( - "http://www.example.com/archive.tar.gz", deny_extensions - ) + assert url_has_any_extension( + "http://www.example.com/archive.tar.gz", deny_extensions ) - self.assertTrue( - url_has_any_extension("http://www.example.com/page.doc", deny_extensions) + assert url_has_any_extension("http://www.example.com/page.doc", deny_extensions) + assert url_has_any_extension("http://www.example.com/page.pdf", deny_extensions) + assert not url_has_any_extension( + "http://www.example.com/page.htm", deny_extensions ) - self.assertTrue( - url_has_any_extension("http://www.example.com/page.pdf", deny_extensions) - ) - self.assertFalse( - url_has_any_extension("http://www.example.com/page.htm", deny_extensions) - ) - self.assertFalse( - url_has_any_extension("http://www.example.com/", deny_extensions) - ) - self.assertFalse( - url_has_any_extension( - "http://www.example.com/page.doc.html", deny_extensions - ) + assert not url_has_any_extension("http://www.example.com/", deny_extensions) + assert not url_has_any_extension( + "http://www.example.com/page.doc.html", deny_extensions ) -class AddHttpIfNoScheme(unittest.TestCase): +class TestAddHttpIfNoScheme: def test_add_scheme(self): - self.assertEqual( - add_http_if_no_scheme("www.example.com"), "http://www.example.com" - ) + assert add_http_if_no_scheme("www.example.com") == "http://www.example.com" def test_without_subdomain(self): - self.assertEqual(add_http_if_no_scheme("example.com"), "http://example.com") + assert add_http_if_no_scheme("example.com") == "http://example.com" def test_path(self): - self.assertEqual( - add_http_if_no_scheme("www.example.com/some/page.html"), - "http://www.example.com/some/page.html", + assert ( + add_http_if_no_scheme("www.example.com/some/page.html") + == "http://www.example.com/some/page.html" ) def test_port(self): - self.assertEqual( - add_http_if_no_scheme("www.example.com:80"), "http://www.example.com:80" + assert ( + add_http_if_no_scheme("www.example.com:80") == "http://www.example.com:80" ) def test_fragment(self): - self.assertEqual( - add_http_if_no_scheme("www.example.com/some/page#frag"), - "http://www.example.com/some/page#frag", + assert ( + add_http_if_no_scheme("www.example.com/some/page#frag") + == "http://www.example.com/some/page#frag" ) def test_query(self): - self.assertEqual( - add_http_if_no_scheme("www.example.com/do?a=1&b=2&c=3"), - "http://www.example.com/do?a=1&b=2&c=3", + assert ( + add_http_if_no_scheme("www.example.com/do?a=1&b=2&c=3") + == "http://www.example.com/do?a=1&b=2&c=3" ) def test_username_password(self): - self.assertEqual( - add_http_if_no_scheme("username:password@www.example.com"), - "http://username:password@www.example.com", + assert ( + add_http_if_no_scheme("username:password@www.example.com") + == "http://username:password@www.example.com" ) def test_complete_url(self): - self.assertEqual( + assert ( add_http_if_no_scheme( "username:password@www.example.com:80/some/page/do?a=1&b=2&c=3#frag" - ), - "http://username:password@www.example.com:80/some/page/do?a=1&b=2&c=3#frag", + ) + == "http://username:password@www.example.com:80/some/page/do?a=1&b=2&c=3#frag" ) def test_preserve_http(self): - self.assertEqual( - add_http_if_no_scheme("http://www.example.com"), "http://www.example.com" + assert ( + add_http_if_no_scheme("http://www.example.com") == "http://www.example.com" ) def test_preserve_http_without_subdomain(self): - self.assertEqual( - add_http_if_no_scheme("http://example.com"), "http://example.com" - ) + assert add_http_if_no_scheme("http://example.com") == "http://example.com" def test_preserve_http_path(self): - self.assertEqual( - add_http_if_no_scheme("http://www.example.com/some/page.html"), - "http://www.example.com/some/page.html", + assert ( + add_http_if_no_scheme("http://www.example.com/some/page.html") + == "http://www.example.com/some/page.html" ) def test_preserve_http_port(self): - self.assertEqual( - add_http_if_no_scheme("http://www.example.com:80"), - "http://www.example.com:80", + assert ( + add_http_if_no_scheme("http://www.example.com:80") + == "http://www.example.com:80" ) def test_preserve_http_fragment(self): - self.assertEqual( - add_http_if_no_scheme("http://www.example.com/some/page#frag"), - "http://www.example.com/some/page#frag", + assert ( + add_http_if_no_scheme("http://www.example.com/some/page#frag") + == "http://www.example.com/some/page#frag" ) def test_preserve_http_query(self): - self.assertEqual( - add_http_if_no_scheme("http://www.example.com/do?a=1&b=2&c=3"), - "http://www.example.com/do?a=1&b=2&c=3", + assert ( + add_http_if_no_scheme("http://www.example.com/do?a=1&b=2&c=3") + == "http://www.example.com/do?a=1&b=2&c=3" ) def test_preserve_http_username_password(self): - self.assertEqual( - add_http_if_no_scheme("http://username:password@www.example.com"), - "http://username:password@www.example.com", + assert ( + add_http_if_no_scheme("http://username:password@www.example.com") + == "http://username:password@www.example.com" ) def test_preserve_http_complete_url(self): - self.assertEqual( + assert ( add_http_if_no_scheme( "http://username:password@www.example.com:80/some/page/do?a=1&b=2&c=3#frag" - ), - "http://username:password@www.example.com:80/some/page/do?a=1&b=2&c=3#frag", + ) + == "http://username:password@www.example.com:80/some/page/do?a=1&b=2&c=3#frag" ) def test_protocol_relative(self): - self.assertEqual( - add_http_if_no_scheme("//www.example.com"), "http://www.example.com" - ) + assert add_http_if_no_scheme("//www.example.com") == "http://www.example.com" def test_protocol_relative_without_subdomain(self): - self.assertEqual(add_http_if_no_scheme("//example.com"), "http://example.com") + assert add_http_if_no_scheme("//example.com") == "http://example.com" def test_protocol_relative_path(self): - self.assertEqual( - add_http_if_no_scheme("//www.example.com/some/page.html"), - "http://www.example.com/some/page.html", + assert ( + add_http_if_no_scheme("//www.example.com/some/page.html") + == "http://www.example.com/some/page.html" ) def test_protocol_relative_port(self): - self.assertEqual( - add_http_if_no_scheme("//www.example.com:80"), "http://www.example.com:80" + assert ( + add_http_if_no_scheme("//www.example.com:80") == "http://www.example.com:80" ) def test_protocol_relative_fragment(self): - self.assertEqual( - add_http_if_no_scheme("//www.example.com/some/page#frag"), - "http://www.example.com/some/page#frag", + assert ( + add_http_if_no_scheme("//www.example.com/some/page#frag") + == "http://www.example.com/some/page#frag" ) def test_protocol_relative_query(self): - self.assertEqual( - add_http_if_no_scheme("//www.example.com/do?a=1&b=2&c=3"), - "http://www.example.com/do?a=1&b=2&c=3", + assert ( + add_http_if_no_scheme("//www.example.com/do?a=1&b=2&c=3") + == "http://www.example.com/do?a=1&b=2&c=3" ) def test_protocol_relative_username_password(self): - self.assertEqual( - add_http_if_no_scheme("//username:password@www.example.com"), - "http://username:password@www.example.com", + assert ( + add_http_if_no_scheme("//username:password@www.example.com") + == "http://username:password@www.example.com" ) def test_protocol_relative_complete_url(self): - self.assertEqual( + assert ( add_http_if_no_scheme( "//username:password@www.example.com:80/some/page/do?a=1&b=2&c=3#frag" - ), - "http://username:password@www.example.com:80/some/page/do?a=1&b=2&c=3#frag", + ) + == "http://username:password@www.example.com:80/some/page/do?a=1&b=2&c=3#frag" ) def test_preserve_https(self): - self.assertEqual( - add_http_if_no_scheme("https://www.example.com"), "https://www.example.com" + assert ( + add_http_if_no_scheme("https://www.example.com") + == "https://www.example.com" ) def test_preserve_ftp(self): - self.assertEqual( - add_http_if_no_scheme("ftp://www.example.com"), "ftp://www.example.com" - ) + assert add_http_if_no_scheme("ftp://www.example.com") == "ftp://www.example.com" -class GuessSchemeTest(unittest.TestCase): +class TestGuessScheme: pass @@ -361,7 +300,7 @@ for k, args in enumerate( ): t_method = create_guess_scheme_t(args) t_method.__name__ = f"test_uri_{k:03}" - setattr(GuessSchemeTest, t_method.__name__, t_method) + setattr(TestGuessScheme, t_method.__name__, t_method) # TODO: the following tests do not pass with current implementation for k, skip_args in enumerate( @@ -376,29 +315,29 @@ for k, skip_args in enumerate( ): t_method = create_skipped_scheme_t(skip_args) t_method.__name__ = f"test_uri_skipped_{k:03}" - setattr(GuessSchemeTest, t_method.__name__, t_method) + setattr(TestGuessScheme, t_method.__name__, t_method) -class StripUrl(unittest.TestCase): +class TestStripUrl: def test_noop(self): - self.assertEqual( - strip_url("http://www.example.com/index.html"), - "http://www.example.com/index.html", + assert ( + strip_url("http://www.example.com/index.html") + == "http://www.example.com/index.html" ) def test_noop_query_string(self): - self.assertEqual( - strip_url("http://www.example.com/index.html?somekey=somevalue"), - "http://www.example.com/index.html?somekey=somevalue", + assert ( + strip_url("http://www.example.com/index.html?somekey=somevalue") + == "http://www.example.com/index.html?somekey=somevalue" ) def test_fragments(self): - self.assertEqual( + assert ( strip_url( "http://www.example.com/index.html?somekey=somevalue#section", strip_fragment=False, - ), - "http://www.example.com/index.html?somekey=somevalue#section", + ) + == "http://www.example.com/index.html?somekey=somevalue#section" ) def test_path(self): @@ -407,7 +346,7 @@ class StripUrl(unittest.TestCase): ("http://www.example.com", False, "http://www.example.com"), ("http://www.example.com", True, "http://www.example.com/"), ]: - self.assertEqual(strip_url(input_url, origin_only=origin), output_url) + assert strip_url(input_url, origin_only=origin) == output_url def test_credentials(self): for i, o in [ @@ -424,7 +363,7 @@ class StripUrl(unittest.TestCase): "ftp://www.example.com/index.html?somekey=somevalue", ), ]: - self.assertEqual(strip_url(i, strip_credentials=True), o) + assert strip_url(i, strip_credentials=True) == o def test_credentials_encoded_delims(self): for i, o in [ @@ -447,7 +386,7 @@ class StripUrl(unittest.TestCase): "ftp://www.example.com/index.html?somekey=somevalue", ), ]: - self.assertEqual(strip_url(i, strip_credentials=True), o) + assert strip_url(i, strip_credentials=True) == o def test_default_ports_creds_off(self): for i, o in [ @@ -484,7 +423,7 @@ class StripUrl(unittest.TestCase): "ftp://www.example.com:221/file.txt", ), ]: - self.assertEqual(strip_url(i), o) + assert strip_url(i) == o def test_default_ports(self): for i, o in [ @@ -521,9 +460,7 @@ class StripUrl(unittest.TestCase): "ftp://username:password@www.example.com:221/file.txt", ), ]: - self.assertEqual( - strip_url(i, strip_default_port=True, strip_credentials=False), o - ) + assert strip_url(i, strip_default_port=True, strip_credentials=False) == o def test_default_ports_keep(self): for i, o in [ @@ -560,9 +497,7 @@ class StripUrl(unittest.TestCase): "ftp://username:password@www.example.com:221/file.txt", ), ]: - self.assertEqual( - strip_url(i, strip_default_port=False, strip_credentials=False), o - ) + assert strip_url(i, strip_default_port=False, strip_credentials=False) == o def test_origin_only(self): for i, o in [ @@ -583,10 +518,10 @@ class StripUrl(unittest.TestCase): "https://www.example.com/", ), ]: - self.assertEqual(strip_url(i, origin_only=True), o) + assert strip_url(i, origin_only=True) == o -class IsPathTestCase(unittest.TestCase): +class TestIsPath: def test_path(self): for input_value, output_value in ( # https://en.wikipedia.org/wiki/Path_(computing)#Representations_of_paths_by_operating_system_and_shell @@ -604,9 +539,7 @@ class IsPathTestCase(unittest.TestCase): (r"C:\user\docs\somefile.ext:alternate_stream_name", True), (r"https://example.com", False), ): - self.assertEqual( - _is_filesystem_path(input_value), output_value, input_value - ) + assert _is_filesystem_path(input_value) == output_value, input_value @pytest.mark.parametrize( From 0c9200094e0764023cd34e72d4012f1c0450d8ad Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= <adrian@chaves.io> Date: Wed, 5 Mar 2025 10:31:59 +0100 Subject: [PATCH 409/786] Extend BaseSettings with utils for add-ons (#6614) --- docs/topics/addons.rst | 30 +- docs/topics/settings.rst | 51 +++ scrapy/settings/__init__.py | 116 ++++++- scrapy/utils/conf.py | 3 +- tests/test_settings/__init__.py | 590 ++++++++++++++++++++++++++++++++ tox.ini | 2 +- 6 files changed, 779 insertions(+), 13 deletions(-) diff --git a/docs/topics/addons.rst b/docs/topics/addons.rst index 46cf1edbd..8ec7b0295 100644 --- a/docs/topics/addons.rst +++ b/docs/topics/addons.rst @@ -76,15 +76,11 @@ The settings set by the add-on should use the ``addon`` priority (see settings.set("DNSCACHE_ENABLED", True, "addon") This allows users to override these settings in the project or spider -configuration. This is not possible with settings that are mutable objects, -such as the dict that is a value of :setting:`ITEM_PIPELINES`. In these cases -you can provide an add-on-specific setting that governs whether the add-on will -modify :setting:`ITEM_PIPELINES`:: +configuration. - class MyAddon: - def update_settings(self, settings): - if settings.getbool("MYADDON_ENABLE_PIPELINE"): - settings["ITEM_PIPELINES"]["path.to.mypipeline"] = 200 +When editing the value of a setting instead of overriding it entirely, it is +usually best to leave its priority unchanged. For example, when editing a +:ref:`component priority dictionary <component-priority-dictionaries>`. If the ``update_settings`` method raises :exc:`scrapy.exceptions.NotConfigured`, the add-on will be skipped. This makes @@ -127,12 +123,28 @@ Add-on examples Set some basic configuration: +.. skip: next .. code-block:: python + from myproject.pipelines import MyPipeline + + class MyAddon: def update_settings(self, settings): - settings["ITEM_PIPELINES"]["path.to.mypipeline"] = 200 settings.set("DNSCACHE_ENABLED", True, "addon") + settings.remove_from_list("METAREFRESH_IGNORE_TAGS", "noscript") + settings.setdefault_in_component_priority_dict( + "ITEM_PIPELINES", MyPipeline, 200 + ) + +.. tip:: When editing a :ref:`component priority dictionary + <component-priority-dictionaries>` setting, like :setting:`ITEM_PIPELINES`, + consider using setting methods like + :meth:`~scrapy.settings.BaseSettings.replace_in_component_priority_dict`, + :meth:`~scrapy.settings.BaseSettings.set_in_component_priority_dict` + and + :meth:`~scrapy.settings.BaseSettings.setdefault_in_component_priority_dict` + to avoid mistakes. Check dependencies: diff --git a/docs/topics/settings.rst b/docs/topics/settings.rst index a53e0806d..7646aca4f 100644 --- a/docs/topics/settings.rst +++ b/docs/topics/settings.rst @@ -250,6 +250,57 @@ example, proper setting names for a fictional robots.txt extension would be ``ROBOTSTXT_ENABLED``, ``ROBOTSTXT_OBEY``, ``ROBOTSTXT_CACHEDIR``, etc. +.. _component-priority-dictionaries: + +Component priority dictionaries +=============================== + +A **component priority dictionary** is a :class:`dict` where keys are +:ref:`components <topics-components>` and values are component priorities. For +example: + +.. skip: next +.. code-block:: python + + { + "path.to.ComponentA": None, + ComponentB: 100, + } + +A component can be specified either as a class object or through an import +path. + +.. warning:: Component priority dictionaries are regular :class:`dict` objects. + Be careful not to define the same component more than once, e.g. with + different import path strings or defining both an import path and a + :class:`type` object. + +A priority can be an :class:`int` or :data:`None`. + +A component with priority 1 goes *before* a component with priority 2. What +going before entails, however, depends on the corresponding setting. For +example, in the :setting:`DOWNLOADER_MIDDLEWARES` setting, components have +their +:meth:`~scrapy.downloadermiddlewares.DownloaderMiddleware.process_request` +method executed before that of later components, but have their +:meth:`~scrapy.downloadermiddlewares.DownloaderMiddleware.process_response` +method executed after that of later components. + +A component with priority :data:`None` is disabled. + +Some component priority dictionaries get merged with some built-in value. For +example, :setting:`DOWNLOADER_MIDDLEWARES` is merged with +:setting:`DOWNLOADER_MIDDLEWARES_BASE`. This is where :data:`None` comes in +handy, allowing you to disable a component from the base setting in the regular +setting: + +.. code-block:: python + + DOWNLOADER_MIDDLEWARES = { + "scrapy.downloadermiddlewares.offsite.OffsiteMiddleware": None, + } + + Special settings ================ diff --git a/scrapy/settings/__init__.py b/scrapy/settings/__init__.py index f31f824a8..cc4853c8f 100644 --- a/scrapy/settings/__init__.py +++ b/scrapy/settings/__init__.py @@ -8,6 +8,7 @@ from pprint import pformat from typing import TYPE_CHECKING, Any, Union, cast from scrapy.settings import default_settings +from scrapy.utils.misc import load_object # The key types are restricted in BaseSettings._get_key() to ones supported by JSON, # see https://github.com/scrapy/scrapy/issues/5383. @@ -111,6 +112,31 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]): def __contains__(self, name: Any) -> bool: return name in self.attributes + def add_to_list(self, name: _SettingsKeyT, item: Any) -> None: + """Append *item* to the :class:`list` setting with the specified *name* + if *item* is not already in that list. + + This change is applied regardless of the priority of the *name* + setting. The setting priority is not affected by this change either. + """ + value: list[str] = self.getlist(name) + if item not in value: + self.set(name, [*value, item], self.getpriority(name) or 0) + + def remove_from_list(self, name: _SettingsKeyT, item: Any) -> None: + """Remove *item* from the :class:`list` setting with the specified + *name*. + + If *item* is missing, raise :exc:`ValueError`. + + This change is applied regardless of the priority of the *name* + setting. The setting priority is not affected by this change either. + """ + value: list[str] = self.getlist(name) + if item not in value: + raise ValueError(f"{item!r} not found in the {name} setting ({value!r}).") + self.set(name, [v for v in value if v != item], self.getpriority(name) or 0) + def get(self, name: _SettingsKeyT, default: Any = None) -> Any: """ Get a setting value without affecting its original type. @@ -181,8 +207,9 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]): self, name: _SettingsKeyT, default: list[Any] | None = None ) -> list[Any]: """ - Get a setting value as a list. If the setting original type is a list, a - copy of it will be returned. If it's a string it will be split by ",". + Get a setting value as a list. If the setting original type is a list, + a copy of it will be returned. If it's a string it will be split by + ",". If it is an empty string, an empty list will be returned. For example, settings populated through environment variables set to ``'one,two'`` will return a list ['one', 'two'] when using this method. @@ -194,6 +221,8 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]): :type default: object """ value = self.get(name, default or []) + if not value: + return [] if isinstance(value, str): value = value.split(",") return list(value) @@ -299,6 +328,47 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]): return max(cast(int, self.getpriority(name)) for name in self) return get_settings_priority("default") + def replace_in_component_priority_dict( + self, + name: _SettingsKeyT, + old_cls: type, + new_cls: type, + priority: int | None = None, + ) -> None: + """Replace *old_cls* with *new_cls* in the *name* :ref:`component + priority dictionary <component-priority-dictionaries>`. + + If *old_cls* is missing, or has :data:`None` as value, :exc:`KeyError` + is raised. + + If *old_cls* was present as an import string, even more than once, + those keys are dropped and replaced by *new_cls*. + + If *priority* is specified, that is the value assigned to *new_cls* in + the component priority dictionary. Otherwise, the value of *old_cls* is + used. If *old_cls* was present multiple times (possible with import + strings) with different values, the value assigned to *new_cls* is one + of them, with no guarantee about which one it is. + + This change is applied regardless of the priority of the *name* + setting. The setting priority is not affected by this change either. + """ + component_priority_dict = self.getdict(name) + old_priority = None + for cls_or_path in tuple(component_priority_dict): + if load_object(cls_or_path) != old_cls: + continue + if (old_priority := component_priority_dict.pop(cls_or_path)) is None: + break + if old_priority is None: + raise KeyError( + f"{old_cls} not found in the {name} setting ({component_priority_dict!r})." + ) + component_priority_dict[new_cls] = ( + old_priority if priority is None else priority + ) + self.set(name, component_priority_dict, priority=self.getpriority(name) or 0) + def __setitem__(self, name: _SettingsKeyT, value: Any) -> None: self.set(name, value) @@ -332,6 +402,30 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]): else: self.attributes[name].set(value, priority) + def set_in_component_priority_dict( + self, name: _SettingsKeyT, cls: type, priority: int | None + ) -> None: + """Set the *cls* component in the *name* :ref:`component priority + dictionary <component-priority-dictionaries>` setting with *priority*. + + If *cls* already exists, its value is updated. + + If *cls* was present as an import string, even more than once, those + keys are dropped and replaced by *cls*. + + This change is applied regardless of the priority of the *name* + setting. The setting priority is not affected by this change either. + """ + component_priority_dict = self.getdict(name) + for cls_or_path in tuple(component_priority_dict): + if not isinstance(cls_or_path, str): + continue + _cls = load_object(cls_or_path) + if _cls == cls: + del component_priority_dict[cls_or_path] + component_priority_dict[cls] = priority + self.set(name, component_priority_dict, self.getpriority(name) or 0) + def setdefault( self, name: _SettingsKeyT, @@ -344,6 +438,24 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]): return self.attributes[name].value + def setdefault_in_component_priority_dict( + self, name: _SettingsKeyT, cls: type, priority: int | None + ) -> None: + """Set the *cls* component in the *name* :ref:`component priority + dictionary <component-priority-dictionaries>` setting with *priority* + if not already defined (even as an import string). + + If *cls* is not already defined, it is set regardless of the priority + of the *name* setting. The setting priority is not affected by this + change either. + """ + component_priority_dict = self.getdict(name) + for cls_or_path in tuple(component_priority_dict): + if load_object(cls_or_path) == cls: + return + component_priority_dict[cls] = priority + self.set(name, component_priority_dict, self.getpriority(name) or 0) + def setdict(self, values: _SettingsInputT, priority: int | str = "project") -> None: self.update(values, priority) diff --git a/scrapy/utils/conf.py b/scrapy/utils/conf.py index a86aad51c..891cbb485 100644 --- a/scrapy/utils/conf.py +++ b/scrapy/utils/conf.py @@ -22,7 +22,8 @@ def build_component_list( *, convert: Callable[[Any], Any] = update_classpath, ) -> list[Any]: - """Compose a component list from a { class: order } dictionary.""" + """Compose a component list from a :ref:`component priority dictionary + <component-priority-dictionaries>`.""" def _check_components(complist: Collection[Any]) -> None: if len({convert(c) for c in complist}) != len(complist): diff --git a/tests/test_settings/__init__.py b/tests/test_settings/__init__.py index b7a316eee..909b365a9 100644 --- a/tests/test_settings/__init__.py +++ b/tests/test_settings/__init__.py @@ -260,6 +260,7 @@ class BaseSettingsTest(unittest.TestCase): "TEST_FLOAT2": "123.45", "TEST_LIST1": ["one", "two"], "TEST_LIST2": "one,two", + "TEST_LIST3": "", "TEST_STR": "value", "TEST_DICT1": {"key1": "val1", "ke2": 3}, "TEST_DICT2": '{"key1": "val1", "ke2": 3}', @@ -292,6 +293,7 @@ class BaseSettingsTest(unittest.TestCase): self.assertEqual(settings.getfloat("TEST_FLOATx", 55.0), 55.0) self.assertEqual(settings.getlist("TEST_LIST1"), ["one", "two"]) self.assertEqual(settings.getlist("TEST_LIST2"), ["one", "two"]) + self.assertEqual(settings.getlist("TEST_LIST3"), []) self.assertEqual(settings.getlist("TEST_LISTx"), []) self.assertEqual(settings.getlist("TEST_LISTx", ["default"]), ["default"]) self.assertEqual(settings["TEST_STR"], "value") @@ -504,3 +506,591 @@ class SettingsTest(unittest.TestCase): TypeError, match="Trying to modify an immutable Settings object" ): settings.pop("OTHER_DUMMY_CONFIG") + + +@pytest.mark.parametrize( + ("before", "name", "item", "after"), + [ + ({}, "FOO", "BAR", {"FOO": ["BAR"]}), + ({"FOO": []}, "FOO", "BAR", {"FOO": ["BAR"]}), + ({"FOO": ["BAR"]}, "FOO", "BAZ", {"FOO": ["BAR", "BAZ"]}), + ({"FOO": ["BAR"]}, "FOO", "BAR", {"FOO": ["BAR"]}), + ({"FOO": ""}, "FOO", "BAR", {"FOO": ["BAR"]}), + ({"FOO": "BAR"}, "FOO", "BAR", {"FOO": "BAR"}), + ({"FOO": "BAR"}, "FOO", "BAZ", {"FOO": ["BAR", "BAZ"]}), + ({"FOO": "BAR,BAZ"}, "FOO", "BAZ", {"FOO": "BAR,BAZ"}), + ({"FOO": "BAR,BAZ"}, "FOO", "QUX", {"FOO": ["BAR", "BAZ", "QUX"]}), + ], +) +def test_add_to_list(before, name, item, after): + settings = BaseSettings(before, priority=0) + settings.add_to_list(name, item) + expected_priority = settings.getpriority(name) or 0 + expected_settings = BaseSettings(after, priority=expected_priority) + assert settings == expected_settings, ( + f"{settings[name]=} != {expected_settings[name]=}" + ) + assert settings.getpriority(name) == expected_settings.getpriority(name) + + +@pytest.mark.parametrize( + ("before", "name", "item", "after"), + [ + ({}, "FOO", "BAR", ValueError), + ({"FOO": ["BAR"]}, "FOO", "BAR", {"FOO": []}), + ({"FOO": ["BAR"]}, "FOO", "BAZ", ValueError), + ({"FOO": ["BAR", "BAZ"]}, "FOO", "BAR", {"FOO": ["BAZ"]}), + ({"FOO": ""}, "FOO", "BAR", ValueError), + ({"FOO": "[]"}, "FOO", "BAR", ValueError), + ({"FOO": "BAR"}, "FOO", "BAR", {"FOO": []}), + ({"FOO": "BAR"}, "FOO", "BAZ", ValueError), + ({"FOO": "BAR,BAZ"}, "FOO", "BAR", {"FOO": ["BAZ"]}), + ], +) +def test_remove_from_list(before, name, item, after): + settings = BaseSettings(before, priority=0) + + if isinstance(after, type) and issubclass(after, Exception): + with pytest.raises(after): + settings.remove_from_list(name, item) + return + + settings.remove_from_list(name, item) + expected_priority = settings.getpriority(name) or 0 + expected_settings = BaseSettings(after, priority=expected_priority) + assert settings == expected_settings, ( + f"{settings[name]=} != {expected_settings[name]=}" + ) + assert settings.getpriority(name) == expected_settings.getpriority(name) + + +class Component1: + pass + + +Component1Alias = Component1 + + +class Component1Subclass(Component1): + pass + + +Component1SubclassAlias = Component1Subclass + + +class Component2: + pass + + +class Component3: + pass + + +class Component4: + pass + + +@pytest.mark.parametrize( + ("before", "name", "old_cls", "new_cls", "priority", "after"), + [ + ({}, "FOO", Component1, Component2, None, KeyError), + ( + {"FOO": {Component1: 1}}, + "FOO", + Component1, + Component2, + None, + {"FOO": {Component2: 1}}, + ), + ( + {"FOO": {Component1: 1}}, + "FOO", + Component1, + Component2, + 2, + {"FOO": {Component2: 2}}, + ), + ( + {"FOO": {"tests.test_settings.Component1": 1}}, + "FOO", + Component1, + Component2, + None, + {"FOO": {Component2: 1}}, + ), + ( + {"FOO": {Component1Alias: 1}}, + "FOO", + Component1, + Component2, + None, + {"FOO": {Component2: 1}}, + ), + ( + {"FOO": {Component1Alias: 1}}, + "FOO", + Component1, + Component2, + 2, + {"FOO": {Component2: 2}}, + ), + ( + {"FOO": {"tests.test_settings.Component1Alias": 1}}, + "FOO", + Component1, + Component2, + None, + {"FOO": {Component2: 1}}, + ), + ( + {"FOO": {"tests.test_settings.Component1Alias": 1}}, + "FOO", + Component1, + Component2, + 2, + {"FOO": {Component2: 2}}, + ), + ( + { + "FOO": { + "tests.test_settings.Component1": 1, + "tests.test_settings.Component1Alias": 2, + } + }, + "FOO", + Component1, + Component2, + None, + {"FOO": {Component2: 2}}, + ), + ( + { + "FOO": { + "tests.test_settings.Component1": 1, + "tests.test_settings.Component1Alias": 2, + } + }, + "FOO", + Component1, + Component2, + 3, + {"FOO": {Component2: 3}}, + ), + ( + {"FOO": '{"tests.test_settings.Component1": 1}'}, + "FOO", + Component1, + Component2, + None, + {"FOO": {Component2: 1}}, + ), + ( + {"FOO": '{"tests.test_settings.Component1": 1}'}, + "FOO", + Component1, + Component2, + 2, + {"FOO": {Component2: 2}}, + ), + ( + {"FOO": '{"tests.test_settings.Component1Alias": 1}'}, + "FOO", + Component1, + Component2, + None, + {"FOO": {Component2: 1}}, + ), + ( + {"FOO": '{"tests.test_settings.Component1Alias": 1}'}, + "FOO", + Component1, + Component2, + 2, + {"FOO": {Component2: 2}}, + ), + ( + { + "FOO": '{"tests.test_settings.Component1": 1, "tests.test_settings.Component1Alias": 2}' + }, + "FOO", + Component1, + Component2, + None, + {"FOO": {Component2: 2}}, + ), + ( + { + "FOO": '{"tests.test_settings.Component1": 1, "tests.test_settings.Component1Alias": 2}' + }, + "FOO", + Component1, + Component2, + 3, + {"FOO": {Component2: 3}}, + ), + # If old_cls has None as value, raise KeyError. + ( + {"FOO": {Component1: None}}, + "FOO", + Component1, + Component2, + None, + KeyError, + ), + ( + {"FOO": '{"tests.test_settings.Component1": null}'}, + "FOO", + Component1, + Component2, + None, + KeyError, + ), + ( + {"FOO": {Component1: None, "tests.test_settings.Component1": None}}, + "FOO", + Component1, + Component2, + None, + KeyError, + ), + ( + {"FOO": {Component1: 1, "tests.test_settings.Component1": None}}, + "FOO", + Component1, + Component2, + None, + KeyError, + ), + ( + {"FOO": {Component1: None, "tests.test_settings.Component1": 1}}, + "FOO", + Component1, + Component2, + None, + KeyError, + ), + # Unrelated components are kept as is, as expected. + ( + { + "FOO": { + Component1: 1, + "tests.test_settings.Component2": 2, + Component3: 3, + } + }, + "FOO", + Component3, + Component4, + None, + { + "FOO": { + Component1: 1, + "tests.test_settings.Component2": 2, + Component4: 3, + } + }, + ), + ], +) +def test_replace_in_component_priority_dict( + before, name, old_cls, new_cls, priority, after +): + settings = BaseSettings(before, priority=0) + + if isinstance(after, type) and issubclass(after, Exception): + with pytest.raises(after): + settings.replace_in_component_priority_dict( + name, old_cls, new_cls, priority + ) + return + + expected_priority = settings.getpriority(name) or 0 + settings.replace_in_component_priority_dict(name, old_cls, new_cls, priority) + expected_settings = BaseSettings(after, priority=expected_priority) + assert settings == expected_settings + assert settings.getpriority(name) == expected_settings.getpriority(name) + + +@pytest.mark.parametrize( + ("before", "name", "cls", "priority", "after"), + [ + # Set + ({}, "FOO", Component1, None, {"FOO": {Component1: None}}), + ({}, "FOO", Component1, 0, {"FOO": {Component1: 0}}), + ({}, "FOO", Component1, 1, {"FOO": {Component1: 1}}), + # Add + ( + {"FOO": {Component1: 0}}, + "FOO", + Component2, + None, + {"FOO": {Component1: 0, Component2: None}}, + ), + ( + {"FOO": {Component1: 0}}, + "FOO", + Component2, + 0, + {"FOO": {Component1: 0, Component2: 0}}, + ), + ( + {"FOO": {Component1: 0}}, + "FOO", + Component2, + 1, + {"FOO": {Component1: 0, Component2: 1}}, + ), + # Replace + ( + { + "FOO": { + Component1: None, + "tests.test_settings.Component1": 0, + "tests.test_settings.Component1Alias": 1, + Component1Subclass: None, + "tests.test_settings.Component1Subclass": 0, + "tests.test_settings.Component1SubclassAlias": 1, + } + }, + "FOO", + Component1, + None, + { + "FOO": { + Component1: None, + Component1Subclass: None, + "tests.test_settings.Component1Subclass": 0, + "tests.test_settings.Component1SubclassAlias": 1, + } + }, + ), + ( + { + "FOO": { + Component1: 0, + "tests.test_settings.Component1": 1, + "tests.test_settings.Component1Alias": None, + Component1Subclass: 0, + "tests.test_settings.Component1Subclass": 1, + "tests.test_settings.Component1SubclassAlias": None, + } + }, + "FOO", + Component1, + 0, + { + "FOO": { + Component1: 0, + Component1Subclass: 0, + "tests.test_settings.Component1Subclass": 1, + "tests.test_settings.Component1SubclassAlias": None, + } + }, + ), + ( + { + "FOO": { + Component1: 1, + "tests.test_settings.Component1": None, + "tests.test_settings.Component1Alias": 0, + Component1Subclass: 1, + "tests.test_settings.Component1Subclass": None, + "tests.test_settings.Component1SubclassAlias": 0, + } + }, + "FOO", + Component1, + 1, + { + "FOO": { + Component1: 1, + Component1Subclass: 1, + "tests.test_settings.Component1Subclass": None, + "tests.test_settings.Component1SubclassAlias": 0, + } + }, + ), + # String-based setting values + ( + {"FOO": '{"tests.test_settings.Component1": 0}'}, + "FOO", + Component2, + None, + {"FOO": {"tests.test_settings.Component1": 0, Component2: None}}, + ), + ( + { + "FOO": """{ + "tests.test_settings.Component1": 0, + "tests.test_settings.Component1Alias": 1, + "tests.test_settings.Component1Subclass": 0, + "tests.test_settings.Component1SubclassAlias": 1 + }""" + }, + "FOO", + Component1, + None, + { + "FOO": { + Component1: None, + "tests.test_settings.Component1Subclass": 0, + "tests.test_settings.Component1SubclassAlias": 1, + } + }, + ), + ], +) +def test_set_in_component_priority_dict(before, name, cls, priority, after): + settings = BaseSettings(before, priority=0) + expected_priority = settings.getpriority(name) or 0 + settings.set_in_component_priority_dict(name, cls, priority) + expected_settings = BaseSettings(after, priority=expected_priority) + assert settings == expected_settings + assert settings.getpriority(name) == expected_settings.getpriority(name), ( + f"{settings.getpriority(name)=} != {expected_settings.getpriority(name)=}" + ) + + +@pytest.mark.parametrize( + ("before", "name", "cls", "priority", "after"), + [ + # Set + ({}, "FOO", Component1, None, {"FOO": {Component1: None}}), + ({}, "FOO", Component1, 0, {"FOO": {Component1: 0}}), + ({}, "FOO", Component1, 1, {"FOO": {Component1: 1}}), + # Add + ( + {"FOO": {Component1: 0}}, + "FOO", + Component2, + None, + {"FOO": {Component1: 0, Component2: None}}, + ), + ( + {"FOO": {Component1: 0}}, + "FOO", + Component2, + 0, + {"FOO": {Component1: 0, Component2: 0}}, + ), + ( + {"FOO": {Component1: 0}}, + "FOO", + Component2, + 1, + {"FOO": {Component1: 0, Component2: 1}}, + ), + # Keep + ( + { + "FOO": { + Component1: None, + "tests.test_settings.Component1": 0, + "tests.test_settings.Component1Alias": 1, + Component1Subclass: None, + "tests.test_settings.Component1Subclass": 0, + "tests.test_settings.Component1SubclassAlias": 1, + } + }, + "FOO", + Component1, + None, + { + "FOO": { + Component1: None, + "tests.test_settings.Component1": 0, + "tests.test_settings.Component1Alias": 1, + Component1Subclass: None, + "tests.test_settings.Component1Subclass": 0, + "tests.test_settings.Component1SubclassAlias": 1, + } + }, + ), + ( + { + "FOO": { + Component1: 0, + "tests.test_settings.Component1": 1, + "tests.test_settings.Component1Alias": None, + Component1Subclass: 0, + "tests.test_settings.Component1Subclass": 1, + "tests.test_settings.Component1SubclassAlias": None, + } + }, + "FOO", + Component1, + 0, + { + "FOO": { + Component1: 0, + "tests.test_settings.Component1": 1, + "tests.test_settings.Component1Alias": None, + Component1Subclass: 0, + "tests.test_settings.Component1Subclass": 1, + "tests.test_settings.Component1SubclassAlias": None, + } + }, + ), + ( + { + "FOO": { + Component1: 1, + "tests.test_settings.Component1": None, + "tests.test_settings.Component1Alias": 0, + Component1Subclass: 1, + "tests.test_settings.Component1Subclass": None, + "tests.test_settings.Component1SubclassAlias": 0, + } + }, + "FOO", + Component1, + 1, + { + "FOO": { + Component1: 1, + "tests.test_settings.Component1": None, + "tests.test_settings.Component1Alias": 0, + Component1Subclass: 1, + "tests.test_settings.Component1Subclass": None, + "tests.test_settings.Component1SubclassAlias": 0, + } + }, + ), + # String-based setting values + ( + {"FOO": '{"tests.test_settings.Component1": 0}'}, + "FOO", + Component2, + None, + {"FOO": {"tests.test_settings.Component1": 0, Component2: None}}, + ), + ( + { + "FOO": """{ + "tests.test_settings.Component1": 0, + "tests.test_settings.Component1Alias": 1, + "tests.test_settings.Component1Subclass": 0, + "tests.test_settings.Component1SubclassAlias": 1 + }""" + }, + "FOO", + Component1, + None, + { + "FOO": """{ + "tests.test_settings.Component1": 0, + "tests.test_settings.Component1Alias": 1, + "tests.test_settings.Component1Subclass": 0, + "tests.test_settings.Component1SubclassAlias": 1 + }""" + }, + ), + ], +) +def test_setdefault_in_component_priority_dict(before, name, cls, priority, after): + settings = BaseSettings(before, priority=0) + expected_priority = settings.getpriority(name) or 0 + settings.setdefault_in_component_priority_dict(name, cls, priority) + expected_settings = BaseSettings(after, priority=expected_priority) + assert settings == expected_settings + assert settings.getpriority(name) == expected_settings.getpriority(name) diff --git a/tox.ini b/tox.ini index 82ad84c90..041fcffca 100644 --- a/tox.ini +++ b/tox.ini @@ -39,7 +39,7 @@ passenv = #allow tox virtualenv to upgrade pip/wheel/setuptools download = true commands = - pytest --cov-config=pyproject.toml --cov=scrapy --cov-report=xml --cov-report= {posargs:--durations=10 docs scrapy tests} --doctest-modules + pytest --cov-config=pyproject.toml --cov=scrapy --cov-report= --cov-report=term-missing --cov-report=xml {posargs:--durations=10 docs scrapy tests} --doctest-modules install_command = python -I -m pip install -ctests/upper-constraints.txt {opts} {packages} From 1843a4f75358a76fe8e4624f8f4dc26084d19b85 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 6 Mar 2025 23:50:14 +0400 Subject: [PATCH 410/786] Converting tests to plain asserts, part 3. (#6700) --- tests/test_downloadermiddleware.py | 54 +- ...test_downloadermiddleware_ajaxcrawlable.py | 18 +- tests/test_downloadermiddleware_cookies.py | 78 +- ...est_downloadermiddleware_defaultheaders.py | 10 +- ...st_downloadermiddleware_downloadtimeout.py | 12 +- tests/test_downloadermiddleware_httpauth.py | 30 +- tests/test_downloadermiddleware_httpcache.py | 51 +- ...st_downloadermiddleware_httpcompression.py | 88 +-- tests/test_downloadermiddleware_httpproxy.py | 166 ++-- tests/test_downloadermiddleware_redirect.py | 732 +++++++++--------- tests/test_downloadermiddleware_retry.py | 87 +-- tests/test_downloadermiddleware_robotstxt.py | 8 +- tests/test_downloadermiddleware_stats.py | 14 +- tests/test_downloadermiddleware_useragent.py | 10 +- 14 files changed, 638 insertions(+), 720 deletions(-) diff --git a/tests/test_downloadermiddleware.py b/tests/test_downloadermiddleware.py index 49498375c..8e718ad5b 100644 --- a/tests/test_downloadermiddleware.py +++ b/tests/test_downloadermiddleware.py @@ -16,7 +16,7 @@ from scrapy.utils.python import to_bytes from scrapy.utils.test import get_crawler, get_from_asyncio_queue -class ManagerTestCase(TestCase): +class TestManagerBase(TestCase): settings_dict = None def setUp(self): @@ -51,14 +51,14 @@ class ManagerTestCase(TestCase): return ret -class DefaultsTest(ManagerTestCase): +class TestDefaults(TestManagerBase): """Tests default behavior with default settings""" def test_request_response(self): req = Request("http://example.com/index.html") resp = Response(req.url, status=200) ret = self._download(req, resp) - self.assertTrue(isinstance(ret, Response), "Non-response returned") + assert isinstance(ret, Response), "Non-response returned" def test_3xx_and_invalid_gzipped_body_must_redirect(self): """Regression test for a failure when redirecting a compressed @@ -86,11 +86,9 @@ class DefaultsTest(ManagerTestCase): }, ) ret = self._download(request=req, response=resp) - self.assertTrue(isinstance(ret, Request), f"Not redirected: {ret!r}") - self.assertEqual( - to_bytes(ret.url), - resp.headers["Location"], - "Not redirected to location header", + assert isinstance(ret, Request), f"Not redirected: {ret!r}" + assert to_bytes(ret.url) == resp.headers["Location"], ( + "Not redirected to location header" ) def test_200_and_invalid_gzipped_body_must_fail(self): @@ -111,7 +109,7 @@ class DefaultsTest(ManagerTestCase): self._download(request=req, response=resp) -class ResponseFromProcessRequestTest(ManagerTestCase): +class TestResponseFromProcessRequest(TestManagerBase): """Tests middleware returning a response from process_request.""" def test_download_func_not_called(self): @@ -130,11 +128,11 @@ class ResponseFromProcessRequestTest(ManagerTestCase): dfd.addBoth(results.append) self._wait(dfd) - self.assertIs(results[0], resp) - self.assertFalse(download_func.called) + assert results[0] is resp + assert not download_func.called -class ProcessRequestInvalidOutput(ManagerTestCase): +class TestProcessRequestInvalidOutput(TestManagerBase): """Invalid return value for process_request method should raise an exception""" def test_invalid_process_request(self): @@ -149,11 +147,11 @@ class ProcessRequestInvalidOutput(ManagerTestCase): dfd = self.mwman.download(download_func, req, self.spider) results = [] dfd.addBoth(results.append) - self.assertIsInstance(results[0], Failure) - self.assertIsInstance(results[0].value, _InvalidOutput) + assert isinstance(results[0], Failure) + assert isinstance(results[0].value, _InvalidOutput) -class ProcessResponseInvalidOutput(ManagerTestCase): +class TestProcessResponseInvalidOutput(TestManagerBase): """Invalid return value for process_response method should raise an exception""" def test_invalid_process_response(self): @@ -168,11 +166,11 @@ class ProcessResponseInvalidOutput(ManagerTestCase): dfd = self.mwman.download(download_func, req, self.spider) results = [] dfd.addBoth(results.append) - self.assertIsInstance(results[0], Failure) - self.assertIsInstance(results[0].value, _InvalidOutput) + assert isinstance(results[0], Failure) + assert isinstance(results[0].value, _InvalidOutput) -class ProcessExceptionInvalidOutput(ManagerTestCase): +class TestProcessExceptionInvalidOutput(TestManagerBase): """Invalid return value for process_exception method should raise an exception""" def test_invalid_process_exception(self): @@ -190,11 +188,11 @@ class ProcessExceptionInvalidOutput(ManagerTestCase): dfd = self.mwman.download(download_func, req, self.spider) results = [] dfd.addBoth(results.append) - self.assertIsInstance(results[0], Failure) - self.assertIsInstance(results[0].value, _InvalidOutput) + assert isinstance(results[0], Failure) + assert isinstance(results[0].value, _InvalidOutput) -class MiddlewareUsingDeferreds(ManagerTestCase): +class TestMiddlewareUsingDeferreds(TestManagerBase): """Middlewares using Deferreds should work""" def test_deferred(self): @@ -218,12 +216,12 @@ class MiddlewareUsingDeferreds(ManagerTestCase): dfd.addBoth(results.append) self._wait(dfd) - self.assertIs(results[0], resp) - self.assertFalse(download_func.called) + assert results[0] is resp + assert not download_func.called @pytest.mark.usefixtures("reactor_pytest") -class MiddlewareUsingCoro(ManagerTestCase): +class TestMiddlewareUsingCoro(TestManagerBase): """Middlewares using asyncio coroutines should work""" def test_asyncdef(self): @@ -242,8 +240,8 @@ class MiddlewareUsingCoro(ManagerTestCase): dfd.addBoth(results.append) self._wait(dfd) - self.assertIs(results[0], resp) - self.assertFalse(download_func.called) + assert results[0] is resp + assert not download_func.called @pytest.mark.only_asyncio def test_asyncdef_asyncio(self): @@ -262,5 +260,5 @@ class MiddlewareUsingCoro(ManagerTestCase): dfd.addBoth(results.append) self._wait(dfd) - self.assertIs(results[0], resp) - self.assertFalse(download_func.called) + assert results[0] is resp + assert not download_func.called diff --git a/tests/test_downloadermiddleware_ajaxcrawlable.py b/tests/test_downloadermiddleware_ajaxcrawlable.py index 76fcece4f..44084f1e8 100644 --- a/tests/test_downloadermiddleware_ajaxcrawlable.py +++ b/tests/test_downloadermiddleware_ajaxcrawlable.py @@ -1,5 +1,3 @@ -import unittest - import pytest from scrapy.downloadermiddlewares.ajaxcrawl import AjaxCrawlMiddleware @@ -9,8 +7,8 @@ from scrapy.utils.test import get_crawler @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") -class AjaxCrawlMiddlewareTest(unittest.TestCase): - def setUp(self): +class TestAjaxCrawlMiddleware: + def setup_method(self): crawler = get_crawler(Spider, {"AJAXCRAWL_ENABLED": True}) self.spider = crawler._create_spider("foo") self.mw = AjaxCrawlMiddleware.from_crawler(crawler) @@ -26,13 +24,13 @@ class AjaxCrawlMiddlewareTest(unittest.TestCase): def test_non_get(self): req, resp = self._req_resp("http://example.com/", {"method": "HEAD"}) resp2 = self.mw.process_response(req, resp, self.spider) - self.assertEqual(resp, resp2) + assert resp == resp2 def test_binary_response(self): req = Request("http://example.com/") resp = Response("http://example.com/", body=b"foobar\x00\x01\x02", request=req) resp2 = self.mw.process_response(req, resp, self.spider) - self.assertIs(resp, resp2) + assert resp is resp2 def test_ajaxcrawl(self): req, resp = self._req_resp( @@ -41,8 +39,8 @@ class AjaxCrawlMiddlewareTest(unittest.TestCase): {"body": self._ajaxcrawlable_body()}, ) req2 = self.mw.process_response(req, resp, self.spider) - self.assertEqual(req2.url, "http://example.com/?_escaped_fragment_=") - self.assertEqual(req2.meta["foo"], "bar") + assert req2.url == "http://example.com/?_escaped_fragment_=" + assert req2.meta["foo"] == "bar" def test_ajaxcrawl_loop(self): req, resp = self._req_resp( @@ -53,7 +51,7 @@ class AjaxCrawlMiddlewareTest(unittest.TestCase): resp3 = self.mw.process_response(req2, resp2, self.spider) assert isinstance(resp3, HtmlResponse), (resp3.__class__, resp3) - self.assertEqual(resp3.request.url, "http://example.com/?_escaped_fragment_=") + assert resp3.request.url == "http://example.com/?_escaped_fragment_=" assert resp3 is resp2 def test_noncrawlable_body(self): @@ -61,4 +59,4 @@ class AjaxCrawlMiddlewareTest(unittest.TestCase): "http://example.com/", {}, {"body": b"<html></html>"} ) resp2 = self.mw.process_response(req, resp, self.spider) - self.assertIs(resp, resp2) + assert resp is resp2 diff --git a/tests/test_downloadermiddleware_cookies.py b/tests/test_downloadermiddleware_cookies.py index 694a669d4..8bf3a1f09 100644 --- a/tests/test_downloadermiddleware_cookies.py +++ b/tests/test_downloadermiddleware_cookies.py @@ -1,5 +1,4 @@ import logging -from unittest import TestCase import pytest from testfixtures import LogCapture @@ -53,19 +52,19 @@ def _cookies_to_set_cookie_list(cookies): return filter(None, (_cookie_to_set_cookie_value(cookie) for cookie in cookies)) -class CookiesMiddlewareTest(TestCase): +class TestCookiesMiddleware: def assertCookieValEqual(self, first, second, msg=None): def split_cookies(cookies): return sorted([s.strip() for s in to_bytes(cookies).split(b";")]) - return self.assertEqual(split_cookies(first), split_cookies(second), msg=msg) + assert split_cookies(first) == split_cookies(second), msg - def setUp(self): + def setup_method(self): self.spider = Spider("foo") self.mw = CookiesMiddleware() self.redirect_middleware = RedirectMiddleware(settings=Settings()) - def tearDown(self): + def teardown_method(self): del self.mw del self.redirect_middleware @@ -80,7 +79,7 @@ class CookiesMiddlewareTest(TestCase): req2 = Request("http://scrapytest.org/sub1/") assert self.mw.process_request(req2, self.spider) is None - self.assertEqual(req2.headers.get("Cookie"), b"C1=value1") + assert req2.headers.get("Cookie") == b"C1=value1" def test_setting_false_cookies_enabled(self): with pytest.raises(NotConfigured): @@ -89,12 +88,12 @@ class CookiesMiddlewareTest(TestCase): ) def test_setting_default_cookies_enabled(self): - self.assertIsInstance( + assert isinstance( CookiesMiddleware.from_crawler(get_crawler()), CookiesMiddleware ) def test_setting_true_cookies_enabled(self): - self.assertIsInstance( + assert isinstance( CookiesMiddleware.from_crawler( get_crawler(settings_dict={"COOKIES_ENABLED": True}) ), @@ -161,7 +160,7 @@ class CookiesMiddlewareTest(TestCase): req2 = Request("http://scrapytest.org/sub1/") assert self.mw.process_request(req2, self.spider) is None - self.assertIn("Cookie", req2.headers) + assert "Cookie" in req2.headers def test_dont_merge_cookies(self): # merge some cookies into jar @@ -185,12 +184,12 @@ class CookiesMiddlewareTest(TestCase): # check that cookies are merged back req = Request("http://scrapytest.org/mergeme") assert self.mw.process_request(req, self.spider) is None - self.assertEqual(req.headers.get("Cookie"), b"C1=value1") + assert req.headers.get("Cookie") == b"C1=value1" # check that cookies are merged when dont_merge_cookies is passed as 0 req = Request("http://scrapytest.org/mergeme", meta={"dont_merge_cookies": 0}) assert self.mw.process_request(req, self.spider) is None - self.assertEqual(req.headers.get("Cookie"), b"C1=value1") + assert req.headers.get("Cookie") == b"C1=value1" def test_complex_cookies(self): # merge some cookies into jar @@ -230,7 +229,7 @@ class CookiesMiddlewareTest(TestCase): # embed C2 for scrapytest.org/bar req = Request("http://scrapytest.org/bar") self.mw.process_request(req, self.spider) - self.assertEqual(req.headers.get("Cookie"), b"C2=value2") + assert req.headers.get("Cookie") == b"C2=value2" # embed nothing for scrapytest.org/baz req = Request("http://scrapytest.org/baz") @@ -240,7 +239,7 @@ class CookiesMiddlewareTest(TestCase): def test_merge_request_cookies(self): req = Request("http://scrapytest.org/", cookies={"galleta": "salada"}) assert self.mw.process_request(req, self.spider) is None - self.assertEqual(req.headers.get("Cookie"), b"galleta=salada") + assert req.headers.get("Cookie") == b"galleta=salada" headers = {"Set-Cookie": "C1=value1; path=/"} res = Response("http://scrapytest.org/", headers=headers) @@ -260,7 +259,7 @@ class CookiesMiddlewareTest(TestCase): meta={"cookiejar": "store1"}, ) assert self.mw.process_request(req, self.spider) is None - self.assertEqual(req.headers.get("Cookie"), b"galleta=salada") + assert req.headers.get("Cookie") == b"galleta=salada" headers = {"Set-Cookie": "C1=value1; path=/"} res = Response("http://scrapytest.org/", headers=headers, request=req) @@ -278,7 +277,7 @@ class CookiesMiddlewareTest(TestCase): meta={"cookiejar": "store2"}, ) assert self.mw.process_request(req3, self.spider) is None - self.assertEqual(req3.headers.get("Cookie"), b"galleta=dulce") + assert req3.headers.get("Cookie") == b"galleta=dulce" headers = {"Set-Cookie": "C2=value2; path=/"} res2 = Response("http://scrapytest.org/", headers=headers, request=req3) @@ -302,22 +301,22 @@ class CookiesMiddlewareTest(TestCase): req5_2 = Request("http://scrapytest.org:1104/some-redirected-path") assert self.mw.process_request(req5_2, self.spider) is None - self.assertEqual(req5_2.headers.get("Cookie"), b"C1=value1") + assert req5_2.headers.get("Cookie") == b"C1=value1" req5_3 = Request("http://scrapytest.org/some-redirected-path") assert self.mw.process_request(req5_3, self.spider) is None - self.assertEqual(req5_3.headers.get("Cookie"), b"C1=value1") + assert req5_3.headers.get("Cookie") == b"C1=value1" # skip cookie retrieval for not http request req6 = Request("file:///scrapy/sometempfile") assert self.mw.process_request(req6, self.spider) is None - self.assertEqual(req6.headers.get("Cookie"), None) + assert req6.headers.get("Cookie") is None def test_local_domain(self): request = Request("http://example-host/", cookies={"currencyCookie": "USD"}) assert self.mw.process_request(request, self.spider) is None - self.assertIn("Cookie", request.headers) - self.assertEqual(b"currencyCookie=USD", request.headers["Cookie"]) + assert "Cookie" in request.headers + assert request.headers["Cookie"] == b"currencyCookie=USD" @pytest.mark.xfail(reason="Cookie header is not currently being processed") def test_keep_cookie_from_default_request_headers_middleware(self): @@ -474,7 +473,7 @@ class CookiesMiddlewareTest(TestCase): request1 = Request(cookies=input_cookies, **source) self.mw.process_request(request1, self.spider) cookies = request1.headers.get("Cookie") - self.assertEqual(cookies, b"a=b" if cookies1 else None) + assert cookies == (b"a=b" if cookies1 else None) response = Response( headers={ @@ -482,21 +481,18 @@ class CookiesMiddlewareTest(TestCase): }, **target, ) - self.assertEqual( - self.mw.process_response(request1, response, self.spider), - response, - ) + assert self.mw.process_response(request1, response, self.spider) == response request2 = self.redirect_middleware.process_response( request1, response, self.spider, ) - self.assertIsInstance(request2, Request) + assert isinstance(request2, Request) self.mw.process_request(request2, self.spider) cookies = request2.headers.get("Cookie") - self.assertEqual(cookies, b"a=b" if cookies2 else None) + assert cookies == (b"a=b" if cookies2 else None) def test_cookie_redirect_same_domain(self): self._test_cookie_redirect( @@ -573,10 +569,10 @@ class CookiesMiddlewareTest(TestCase): response, self.spider, ) - self.assertIsInstance(request2, Request) + assert isinstance(request2, Request) cookies = request2.headers.get("Cookie") - self.assertEqual(cookies, b"a=b" if cookies2 else None) + assert cookies == (b"a=b" if cookies2 else None) def test_cookie_header_redirect_same_domain(self): self._test_cookie_header_redirect( @@ -626,12 +622,12 @@ class CookiesMiddlewareTest(TestCase): request1 = Request(url1, cookies=input_cookies) self.mw.process_request(request1, self.spider) cookies = request1.headers.get("Cookie") - self.assertEqual(cookies, b"a=b" if cookies1 else None) + assert cookies == (b"a=b" if cookies1 else None) request2 = Request(url2) self.mw.process_request(request2, self.spider) cookies = request2.headers.get("Cookie") - self.assertEqual(cookies, b"a=b" if cookies2 else None) + assert cookies == (b"a=b" if cookies2 else None) def test_user_set_cookie_domain_suffix_private(self): self._test_user_set_cookie_domain_followup( @@ -692,15 +688,12 @@ class CookiesMiddlewareTest(TestCase): "Set-Cookie": _cookies_to_set_cookie_list(input_cookies), } response = Response(url1, status=200, headers=headers) - self.assertEqual( - self.mw.process_response(request1, response, self.spider), - response, - ) + assert self.mw.process_response(request1, response, self.spider) == response request2 = Request(url2) self.mw.process_request(request2, self.spider) actual_cookies = request2.headers.get("Cookie") - self.assertEqual(actual_cookies, b"a=b" if cookies else None) + assert actual_cookies == (b"a=b" if cookies else None) def test_server_set_cookie_domain_suffix_private(self): self._test_server_set_cookie_domain_followup( @@ -752,30 +745,27 @@ class CookiesMiddlewareTest(TestCase): request1 = Request(f"{from_scheme}://a.example", cookies=input_cookies) self.mw.process_request(request1, self.spider) cookies = request1.headers.get("Cookie") - self.assertEqual(cookies, b"a=b" if cookies1 else None) + assert cookies == (b"a=b" if cookies1 else None) response = Response( f"{from_scheme}://a.example", headers={"Location": f"{to_scheme}://a.example"}, status=301, ) - self.assertEqual( - self.mw.process_response(request1, response, self.spider), - response, - ) + assert self.mw.process_response(request1, response, self.spider) == response request2 = self.redirect_middleware.process_response( request1, response, self.spider, ) - self.assertIsInstance(request2, Request) + assert isinstance(request2, Request) cookies = request2.headers.get("Cookie") - self.assertEqual(cookies, b"a=b" if cookies2 else None) + assert cookies == (b"a=b" if cookies2 else None) self.mw.process_request(request2, self.spider) cookies = request2.headers.get("Cookie") - self.assertEqual(cookies, b"a=b" if cookies3 else None) + assert cookies == (b"a=b" if cookies3 else None) def test_cookie_redirect_secure_undefined_downgrade(self): self._test_cookie_redirect_scheme_change( diff --git a/tests/test_downloadermiddleware_defaultheaders.py b/tests/test_downloadermiddleware_defaultheaders.py index 27d6224b4..5716e3631 100644 --- a/tests/test_downloadermiddleware_defaultheaders.py +++ b/tests/test_downloadermiddleware_defaultheaders.py @@ -1,5 +1,3 @@ -from unittest import TestCase - from scrapy.downloadermiddlewares.defaultheaders import DefaultHeadersMiddleware from scrapy.http import Request from scrapy.spiders import Spider @@ -7,7 +5,7 @@ from scrapy.utils.python import to_bytes from scrapy.utils.test import get_crawler -class TestDefaultHeadersMiddleware(TestCase): +class TestDefaultHeadersMiddleware: def get_defaults_spider_mw(self): crawler = get_crawler(Spider) spider = crawler._create_spider("foo") @@ -21,15 +19,15 @@ class TestDefaultHeadersMiddleware(TestCase): defaults, spider, mw = self.get_defaults_spider_mw() req = Request("http://www.scrapytest.org") mw.process_request(req, spider) - self.assertEqual(req.headers, defaults) + assert req.headers == defaults def test_update_headers(self): defaults, spider, mw = self.get_defaults_spider_mw() headers = {"Accept-Language": ["es"], "Test-Header": ["test"]} bytes_headers = {b"Accept-Language": [b"es"], b"Test-Header": [b"test"]} req = Request("http://www.scrapytest.org", headers=headers) - self.assertEqual(req.headers, bytes_headers) + assert req.headers == bytes_headers mw.process_request(req, spider) defaults.update(bytes_headers) - self.assertEqual(req.headers, defaults) + assert req.headers == defaults diff --git a/tests/test_downloadermiddleware_downloadtimeout.py b/tests/test_downloadermiddleware_downloadtimeout.py index 44458ade8..31323c8fa 100644 --- a/tests/test_downloadermiddleware_downloadtimeout.py +++ b/tests/test_downloadermiddleware_downloadtimeout.py @@ -1,12 +1,10 @@ -import unittest - from scrapy.downloadermiddlewares.downloadtimeout import DownloadTimeoutMiddleware from scrapy.http import Request from scrapy.spiders import Spider from scrapy.utils.test import get_crawler -class DownloadTimeoutMiddlewareTest(unittest.TestCase): +class TestDownloadTimeoutMiddleware: def get_request_spider_mw(self, settings=None): crawler = get_crawler(Spider, settings) spider = crawler._create_spider("foo") @@ -17,20 +15,20 @@ class DownloadTimeoutMiddlewareTest(unittest.TestCase): req, spider, mw = self.get_request_spider_mw() mw.spider_opened(spider) assert mw.process_request(req, spider) is None - self.assertEqual(req.meta.get("download_timeout"), 180) + assert req.meta.get("download_timeout") == 180 def test_string_download_timeout(self): req, spider, mw = self.get_request_spider_mw({"DOWNLOAD_TIMEOUT": "20.1"}) mw.spider_opened(spider) assert mw.process_request(req, spider) is None - self.assertEqual(req.meta.get("download_timeout"), 20.1) + assert req.meta.get("download_timeout") == 20.1 def test_spider_has_download_timeout(self): req, spider, mw = self.get_request_spider_mw() spider.download_timeout = 2 mw.spider_opened(spider) assert mw.process_request(req, spider) is None - self.assertEqual(req.meta.get("download_timeout"), 2) + assert req.meta.get("download_timeout") == 2 def test_request_has_download_timeout(self): req, spider, mw = self.get_request_spider_mw() @@ -38,4 +36,4 @@ class DownloadTimeoutMiddlewareTest(unittest.TestCase): mw.spider_opened(spider) req.meta["download_timeout"] = 1 assert mw.process_request(req, spider) is None - self.assertEqual(req.meta.get("download_timeout"), 1) + assert req.meta.get("download_timeout") == 1 diff --git a/tests/test_downloadermiddleware_httpauth.py b/tests/test_downloadermiddleware_httpauth.py index 0f1489344..9154e1850 100644 --- a/tests/test_downloadermiddleware_httpauth.py +++ b/tests/test_downloadermiddleware_httpauth.py @@ -1,5 +1,3 @@ -import unittest - import pytest from w3lib.http import basic_auth_header @@ -25,8 +23,8 @@ class AnyDomainSpider(Spider): http_auth_domain = None -class HttpAuthMiddlewareLegacyTest(unittest.TestCase): - def setUp(self): +class TestHttpAuthMiddlewareLegacy: + def setup_method(self): self.spider = LegacySpider("foo") def test_auth(self): @@ -35,51 +33,51 @@ class HttpAuthMiddlewareLegacyTest(unittest.TestCase): mw.spider_opened(self.spider) -class HttpAuthMiddlewareTest(unittest.TestCase): - def setUp(self): +class TestHttpAuthMiddleware: + def setup_method(self): self.mw = HttpAuthMiddleware() self.spider = DomainSpider("foo") self.mw.spider_opened(self.spider) - def tearDown(self): + def teardown_method(self): del self.mw def test_no_auth(self): req = Request("http://example-noauth.com/") assert self.mw.process_request(req, self.spider) is None - self.assertNotIn("Authorization", req.headers) + assert "Authorization" not in req.headers def test_auth_domain(self): req = Request("http://example.com/") assert self.mw.process_request(req, self.spider) is None - self.assertEqual(req.headers["Authorization"], basic_auth_header("foo", "bar")) + assert req.headers["Authorization"] == basic_auth_header("foo", "bar") def test_auth_subdomain(self): req = Request("http://foo.example.com/") assert self.mw.process_request(req, self.spider) is None - self.assertEqual(req.headers["Authorization"], basic_auth_header("foo", "bar")) + assert req.headers["Authorization"] == basic_auth_header("foo", "bar") def test_auth_already_set(self): req = Request("http://example.com/", headers={"Authorization": "Digest 123"}) assert self.mw.process_request(req, self.spider) is None - self.assertEqual(req.headers["Authorization"], b"Digest 123") + assert req.headers["Authorization"] == b"Digest 123" -class HttpAuthAnyMiddlewareTest(unittest.TestCase): - def setUp(self): +class TestHttpAuthAnyMiddleware: + def setup_method(self): self.mw = HttpAuthMiddleware() self.spider = AnyDomainSpider("foo") self.mw.spider_opened(self.spider) - def tearDown(self): + def teardown_method(self): del self.mw def test_auth(self): req = Request("http://example.com/") assert self.mw.process_request(req, self.spider) is None - self.assertEqual(req.headers["Authorization"], basic_auth_header("foo", "bar")) + assert req.headers["Authorization"] == basic_auth_header("foo", "bar") def test_auth_already_set(self): req = Request("http://example.com/", headers={"Authorization": "Digest 123"}) assert self.mw.process_request(req, self.spider) is None - self.assertEqual(req.headers["Authorization"], b"Digest 123") + assert req.headers["Authorization"] == b"Digest 123" diff --git a/tests/test_downloadermiddleware_httpcache.py b/tests/test_downloadermiddleware_httpcache.py index de3a9689b..5fac88ed7 100644 --- a/tests/test_downloadermiddleware_httpcache.py +++ b/tests/test_downloadermiddleware_httpcache.py @@ -2,7 +2,6 @@ import email.utils import shutil import tempfile import time -import unittest from contextlib import contextmanager import pytest @@ -15,11 +14,11 @@ from scrapy.spiders import Spider from scrapy.utils.test import get_crawler -class _BaseTest(unittest.TestCase): +class TestBase: storage_class = "scrapy.extensions.httpcache.FilesystemCacheStorage" policy_class = "scrapy.extensions.httpcache.RFC2616Policy" - def setUp(self): + def setup_method(self): self.yesterday = email.utils.formatdate(time.time() - 86400) self.today = email.utils.formatdate() self.tomorrow = email.utils.formatdate(time.time() + 86400) @@ -35,7 +34,7 @@ class _BaseTest(unittest.TestCase): ) self.crawler.stats.open_spider(self.spider) - def tearDown(self): + def teardown_method(self): self.crawler.stats.close_spider(self.spider, "") shutil.rmtree(self.tmpdir) @@ -72,44 +71,42 @@ class _BaseTest(unittest.TestCase): mw.spider_closed(self.spider) def assertEqualResponse(self, response1, response2): - self.assertEqual(response1.url, response2.url) - self.assertEqual(response1.status, response2.status) - self.assertEqual(response1.headers, response2.headers) - self.assertEqual(response1.body, response2.body) + assert response1.url == response2.url + assert response1.status == response2.status + assert response1.headers == response2.headers + assert response1.body == response2.body def assertEqualRequest(self, request1, request2): - self.assertEqual(request1.url, request2.url) - self.assertEqual(request1.headers, request2.headers) - self.assertEqual(request1.body, request2.body) + assert request1.url == request2.url + assert request1.headers == request2.headers + assert request1.body == request2.body def assertEqualRequestButWithCacheValidators(self, request1, request2): - self.assertEqual(request1.url, request2.url) + assert request1.url == request2.url assert b"If-None-Match" not in request1.headers assert b"If-Modified-Since" not in request1.headers assert any( h in request2.headers for h in (b"If-None-Match", b"If-Modified-Since") ) - self.assertEqual(request1.body, request2.body) + assert request1.body == request2.body def test_dont_cache(self): with self._middleware() as mw: self.request.meta["dont_cache"] = True mw.process_response(self.request, self.response, self.spider) - self.assertEqual( - mw.storage.retrieve_response(self.spider, self.request), None - ) + assert mw.storage.retrieve_response(self.spider, self.request) is None with self._middleware() as mw: self.request.meta["dont_cache"] = False mw.process_response(self.request, self.response, self.spider) if mw.policy.should_cache_response(self.response, self.request): - self.assertIsInstance( + assert isinstance( mw.storage.retrieve_response(self.spider, self.request), self.response.__class__, ) -class DefaultStorageTest(_BaseTest): +class TestDefaultStorage(TestBase): def test_storage(self): with self._storage() as storage: request2 = self.request.copy() @@ -142,15 +139,15 @@ class DefaultStorageTest(_BaseTest): ) storage.store_response(self.spider, self.request, response) cached_response = storage.retrieve_response(self.spider, self.request) - self.assertIsInstance(cached_response, HtmlResponse) + assert isinstance(cached_response, HtmlResponse) self.assertEqualResponse(response, cached_response) -class DbmStorageTest(DefaultStorageTest): +class TestDbmStorage(TestDefaultStorage): storage_class = "scrapy.extensions.httpcache.DbmCacheStorage" -class DbmStorageWithCustomDbmModuleTest(DbmStorageTest): +class TestDbmStorageWithCustomDbmModule(TestDbmStorage): dbm_module = "tests.mocks.dummydbm" def _get_settings(self, **new_settings): @@ -160,16 +157,16 @@ class DbmStorageWithCustomDbmModuleTest(DbmStorageTest): def test_custom_dbm_module_loaded(self): # make sure our dbm module has been loaded with self._storage() as storage: - self.assertEqual(storage.dbmodule.__name__, self.dbm_module) + assert storage.dbmodule.__name__ == self.dbm_module -class FilesystemStorageGzipTest(DefaultStorageTest): +class TestFilesystemStorageGzip(TestDefaultStorage): def _get_settings(self, **new_settings): new_settings.setdefault("HTTPCACHE_GZIP", True) return super()._get_settings(**new_settings) -class DummyPolicyTest(_BaseTest): +class TestDummyPolicy(TestBase): policy_class = "scrapy.extensions.httpcache.DummyPolicy" def test_middleware(self): @@ -261,7 +258,7 @@ class DummyPolicyTest(_BaseTest): assert "cached" in response.flags -class RFC2616PolicyTest(DefaultStorageTest): +class TestRFC2616Policy(TestDefaultStorage): policy_class = "scrapy.extensions.httpcache.RFC2616Policy" def _process_requestresponse(self, mw, request, response): @@ -357,7 +354,7 @@ class RFC2616PolicyTest(DefaultStorageTest): assert "cached" in res2.flags assert res2.status != 304 else: - self.assertFalse(resc) + assert not resc assert "cached" not in res2.flags # cache unconditionally unless response contains no-store or is a 304 @@ -381,7 +378,7 @@ class RFC2616PolicyTest(DefaultStorageTest): assert "cached" in res2.flags assert res2.status != 304 else: - self.assertFalse(resc) + assert not resc assert "cached" not in res2.flags def test_cached_and_fresh(self): diff --git a/tests/test_downloadermiddleware_httpcompression.py b/tests/test_downloadermiddleware_httpcompression.py index b3e3b98d7..e7427c5ac 100644 --- a/tests/test_downloadermiddleware_httpcompression.py +++ b/tests/test_downloadermiddleware_httpcompression.py @@ -2,7 +2,7 @@ from gzip import GzipFile from io import BytesIO from logging import WARNING from pathlib import Path -from unittest import SkipTest, TestCase +from unittest import SkipTest import pytest from testfixtures import LogCapture @@ -51,8 +51,8 @@ FORMAT = { } -class HttpCompressionTest(TestCase): - def setUp(self): +class TestHttpCompression: + def setup_method(self): self.crawler = get_crawler(Spider) self.spider = self.crawler._create_spider("scrapytest.org") self.mw = HttpCompressionMiddleware.from_crawler(self.crawler) @@ -81,10 +81,8 @@ class HttpCompressionTest(TestCase): return response def assertStatsEqual(self, key, value): - self.assertEqual( - self.crawler.stats.get_value(key, spider=self.spider), - value, - str(self.crawler.stats.get_stats(self.spider)), + assert self.crawler.stats.get_value(key, spider=self.spider) == value, str( + self.crawler.stats.get_stats(self.spider) ) def test_setting_false_compression_enabled(self): @@ -94,13 +92,13 @@ class HttpCompressionTest(TestCase): ) def test_setting_default_compression_enabled(self): - self.assertIsInstance( + assert isinstance( HttpCompressionMiddleware.from_crawler(get_crawler()), HttpCompressionMiddleware, ) def test_setting_true_compression_enabled(self): - self.assertIsInstance( + assert isinstance( HttpCompressionMiddleware.from_crawler( get_crawler(settings_dict={"COMPRESSION_ENABLED": True}) ), @@ -111,15 +109,13 @@ class HttpCompressionTest(TestCase): request = Request("http://scrapytest.org") assert "Accept-Encoding" not in request.headers self.mw.process_request(request, self.spider) - self.assertEqual( - request.headers.get("Accept-Encoding"), b", ".join(ACCEPTED_ENCODINGS) - ) + assert request.headers.get("Accept-Encoding") == b", ".join(ACCEPTED_ENCODINGS) def test_process_response_gzip(self): response = self._getresponse("gzip") request = response.request - self.assertEqual(response.headers["Content-Encoding"], b"gzip") + assert response.headers["Content-Encoding"] == b"gzip" newresponse = self.mw.process_response(request, response, self.spider) assert newresponse is not response assert newresponse.body.startswith(b"<!DOCTYPE") @@ -137,7 +133,7 @@ class HttpCompressionTest(TestCase): raise SkipTest("no brotli") response = self._getresponse("br") request = response.request - self.assertEqual(response.headers["Content-Encoding"], b"br") + assert response.headers["Content-Encoding"] == b"br" newresponse = self.mw.process_response(request, response, self.spider) assert newresponse is not response assert newresponse.body.startswith(b"<!DOCTYPE") @@ -159,7 +155,7 @@ class HttpCompressionTest(TestCase): pass response = self._getresponse("br") request = response.request - self.assertEqual(response.headers["Content-Encoding"], b"br") + assert response.headers["Content-Encoding"] == b"br" with LogCapture( "scrapy.downloadermiddlewares.httpcompression", propagate=False, @@ -178,7 +174,7 @@ class HttpCompressionTest(TestCase): ), ) assert newresponse is not response - self.assertEqual(newresponse.headers.getlist("Content-Encoding"), [b"br"]) + assert newresponse.headers.getlist("Content-Encoding") == [b"br"] def test_process_response_zstd(self): try: @@ -191,7 +187,7 @@ class HttpCompressionTest(TestCase): continue response = self._getresponse(check_key) request = response.request - self.assertEqual(response.headers["Content-Encoding"], b"zstd") + assert response.headers["Content-Encoding"] == b"zstd" newresponse = self.mw.process_response(request, response, self.spider) if raw_content is None: raw_content = newresponse.body @@ -210,7 +206,7 @@ class HttpCompressionTest(TestCase): pass response = self._getresponse("zstd-static-content-size") request = response.request - self.assertEqual(response.headers["Content-Encoding"], b"zstd") + assert response.headers["Content-Encoding"] == b"zstd" with LogCapture( "scrapy.downloadermiddlewares.httpcompression", propagate=False, @@ -229,13 +225,13 @@ class HttpCompressionTest(TestCase): ), ) assert newresponse is not response - self.assertEqual(newresponse.headers.getlist("Content-Encoding"), [b"zstd"]) + assert newresponse.headers.getlist("Content-Encoding") == [b"zstd"] def test_process_response_rawdeflate(self): response = self._getresponse("rawdeflate") request = response.request - self.assertEqual(response.headers["Content-Encoding"], b"deflate") + assert response.headers["Content-Encoding"] == b"deflate" newresponse = self.mw.process_response(request, response, self.spider) assert newresponse is not response assert newresponse.body.startswith(b"<!DOCTYPE") @@ -247,7 +243,7 @@ class HttpCompressionTest(TestCase): response = self._getresponse("zlibdeflate") request = response.request - self.assertEqual(response.headers["Content-Encoding"], b"deflate") + assert response.headers["Content-Encoding"] == b"deflate" newresponse = self.mw.process_response(request, response, self.spider) assert newresponse is not response assert newresponse.body.startswith(b"<!DOCTYPE") @@ -272,7 +268,7 @@ class HttpCompressionTest(TestCase): request = response.request newresponse = self.mw.process_response(request, response, self.spider) assert newresponse is not response - self.assertEqual(newresponse.headers.getlist("Content-Encoding"), [b"uuencode"]) + assert newresponse.headers.getlist("Content-Encoding") == [b"uuencode"] def test_multi_compression_single_header(self): response = self._getresponse("gzip-deflate") @@ -303,9 +299,7 @@ class HttpCompressionTest(TestCase): ), ) assert newresponse is not response - self.assertEqual( - newresponse.headers.getlist("Content-Encoding"), [b"gzip", b"foo"] - ) + assert newresponse.headers.getlist("Content-Encoding") == [b"gzip", b"foo"] def test_multi_compression_multiple_header(self): response = self._getresponse("gzip-deflate") @@ -322,9 +316,7 @@ class HttpCompressionTest(TestCase): request = response.request newresponse = self.mw.process_response(request, response, self.spider) assert newresponse is not response - self.assertEqual( - newresponse.headers.getlist("Content-Encoding"), [b"gzip", b"foo"] - ) + assert newresponse.headers.getlist("Content-Encoding") == [b"gzip", b"foo"] def test_multi_compression_single_and_multiple_header(self): response = self._getresponse("gzip-deflate-gzip") @@ -341,9 +333,7 @@ class HttpCompressionTest(TestCase): request = response.request newresponse = self.mw.process_response(request, response, self.spider) assert newresponse is not response - self.assertEqual( - newresponse.headers.getlist("Content-Encoding"), [b"gzip", b"foo"] - ) + assert newresponse.headers.getlist("Content-Encoding") == [b"gzip", b"foo"] def test_process_response_encoding_inside_body(self): headers = { @@ -365,8 +355,8 @@ class HttpCompressionTest(TestCase): newresponse = self.mw.process_response(request, response, self.spider) assert isinstance(newresponse, HtmlResponse) - self.assertEqual(newresponse.body, plainbody) - self.assertEqual(newresponse.encoding, resolve_encoding("gb2312")) + assert newresponse.body == plainbody + assert newresponse.encoding == resolve_encoding("gb2312") self.assertStatsEqual("httpcompression/response_count", 1) self.assertStatsEqual("httpcompression/response_bytes", len(plainbody)) @@ -390,8 +380,8 @@ class HttpCompressionTest(TestCase): newresponse = self.mw.process_response(request, response, self.spider) assert isinstance(newresponse, HtmlResponse) - self.assertEqual(newresponse.body, plainbody) - self.assertEqual(newresponse.encoding, resolve_encoding("gb2312")) + assert newresponse.body == plainbody + assert newresponse.encoding == resolve_encoding("gb2312") self.assertStatsEqual("httpcompression/response_count", 1) self.assertStatsEqual("httpcompression/response_bytes", len(plainbody)) @@ -413,8 +403,8 @@ class HttpCompressionTest(TestCase): newresponse = self.mw.process_response(request, response, self.spider) assert isinstance(newresponse, respcls) - self.assertEqual(newresponse.body, plainbody) - self.assertEqual(newresponse.encoding, resolve_encoding("gb2312")) + assert newresponse.body == plainbody + assert newresponse.encoding == resolve_encoding("gb2312") self.assertStatsEqual("httpcompression/response_count", 1) self.assertStatsEqual("httpcompression/response_bytes", len(plainbody)) @@ -424,9 +414,9 @@ class HttpCompressionTest(TestCase): request = response.request newresponse = self.mw.process_response(request, response, self.spider) - self.assertIsNot(newresponse, response) - self.assertTrue(newresponse.body.startswith(b"<!DOCTYPE")) - self.assertNotIn("Content-Encoding", newresponse.headers) + assert newresponse is not response + assert newresponse.body.startswith(b"<!DOCTYPE") + assert "Content-Encoding" not in newresponse.headers self.assertStatsEqual("httpcompression/response_count", 1) self.assertStatsEqual("httpcompression/response_bytes", 74837) @@ -436,9 +426,9 @@ class HttpCompressionTest(TestCase): request = response.request newresponse = self.mw.process_response(request, response, self.spider) - self.assertIsNot(newresponse, response) - self.assertTrue(newresponse.body.startswith(b"<!DOCTYPE")) - self.assertNotIn("Content-Encoding", newresponse.headers) + assert newresponse is not response + assert newresponse.body.startswith(b"<!DOCTYPE") + assert "Content-Encoding" not in newresponse.headers self.assertStatsEqual("httpcompression/response_count", 1) self.assertStatsEqual("httpcompression/response_bytes", 74837) @@ -448,9 +438,9 @@ class HttpCompressionTest(TestCase): request = response.request newresponse = self.mw.process_response(request, response, self.spider) - self.assertIsNot(newresponse, response) - self.assertTrue(newresponse.body.startswith(b"<!DOCTYPE")) - self.assertNotIn("Content-Encoding", newresponse.headers) + assert newresponse is not response + assert newresponse.body.startswith(b"<!DOCTYPE") + assert "Content-Encoding" not in newresponse.headers self.assertStatsEqual("httpcompression/response_count", 1) self.assertStatsEqual("httpcompression/response_bytes", 74837) @@ -496,7 +486,7 @@ class HttpCompressionTest(TestCase): request = Request("http://www.example.com/") newresponse = self.mw.process_response(request, response, self.spider) - self.assertEqual(gunzip(newresponse.body), plainbody) + assert gunzip(newresponse.body) == plainbody self.assertStatsEqual("httpcompression/response_count", 1) self.assertStatsEqual("httpcompression/response_bytes", 230) @@ -507,8 +497,8 @@ class HttpCompressionTest(TestCase): request.method = "HEAD" response = response.replace(body=None) newresponse = self.mw.process_response(request, response, self.spider) - self.assertIs(newresponse, response) - self.assertEqual(response.body, b"") + assert newresponse is response + assert response.body == b"" self.assertStatsEqual("httpcompression/response_count", None) self.assertStatsEqual("httpcompression/response_bytes", None) diff --git a/tests/test_downloadermiddleware_httpproxy.py b/tests/test_downloadermiddleware_httpproxy.py index f0826ef5b..31d81e73d 100644 --- a/tests/test_downloadermiddleware_httpproxy.py +++ b/tests/test_downloadermiddleware_httpproxy.py @@ -1,7 +1,6 @@ import os import pytest -from twisted.trial.unittest import TestCase from scrapy.downloadermiddlewares.httpproxy import HttpProxyMiddleware from scrapy.exceptions import NotConfigured @@ -12,13 +11,13 @@ from scrapy.utils.test import get_crawler spider = Spider("foo") -class TestHttpProxyMiddleware(TestCase): +class TestHttpProxyMiddleware: failureException = AssertionError # type: ignore[assignment] - def setUp(self): + def setup_method(self): self._oldenv = os.environ.copy() - def tearDown(self): + def teardown_method(self): os.environ = self._oldenv def test_not_enabled(self): @@ -33,8 +32,8 @@ class TestHttpProxyMiddleware(TestCase): for url in ("http://e.com", "https://e.com", "file:///tmp/a"): req = Request(url) assert mw.process_request(req, spider) is None - self.assertEqual(req.url, url) - self.assertEqual(req.meta, {}) + assert req.url == url + assert req.meta == {} def test_environment_proxies(self): os.environ["http_proxy"] = http_proxy = "https://proxy.for.http:3128" @@ -49,32 +48,32 @@ class TestHttpProxyMiddleware(TestCase): ]: req = Request(url) assert mw.process_request(req, spider) is None - self.assertEqual(req.url, url) - self.assertEqual(req.meta.get("proxy"), proxy) + assert req.url == url + assert req.meta.get("proxy") == proxy def test_proxy_precedence_meta(self): os.environ["http_proxy"] = "https://proxy.com" mw = HttpProxyMiddleware() req = Request("http://scrapytest.org", meta={"proxy": "https://new.proxy:3128"}) assert mw.process_request(req, spider) is None - self.assertEqual(req.meta, {"proxy": "https://new.proxy:3128"}) + assert req.meta == {"proxy": "https://new.proxy:3128"} def test_proxy_auth(self): os.environ["http_proxy"] = "https://user:pass@proxy:3128" mw = HttpProxyMiddleware() req = Request("http://scrapytest.org") assert mw.process_request(req, spider) is None - self.assertEqual(req.meta["proxy"], "https://proxy:3128") - self.assertEqual(req.headers.get("Proxy-Authorization"), b"Basic dXNlcjpwYXNz") + assert req.meta["proxy"] == "https://proxy:3128" + assert req.headers.get("Proxy-Authorization") == b"Basic dXNlcjpwYXNz" # proxy from request.meta req = Request( "http://scrapytest.org", meta={"proxy": "https://username:password@proxy:3128"}, ) assert mw.process_request(req, spider) is None - self.assertEqual(req.meta["proxy"], "https://proxy:3128") - self.assertEqual( - req.headers.get("Proxy-Authorization"), b"Basic dXNlcm5hbWU6cGFzc3dvcmQ=" + assert req.meta["proxy"] == "https://proxy:3128" + assert ( + req.headers.get("Proxy-Authorization") == b"Basic dXNlcm5hbWU6cGFzc3dvcmQ=" ) def test_proxy_auth_empty_passwd(self): @@ -82,15 +81,15 @@ class TestHttpProxyMiddleware(TestCase): mw = HttpProxyMiddleware() req = Request("http://scrapytest.org") assert mw.process_request(req, spider) is None - self.assertEqual(req.meta["proxy"], "https://proxy:3128") - self.assertEqual(req.headers.get("Proxy-Authorization"), b"Basic dXNlcjo=") + assert req.meta["proxy"] == "https://proxy:3128" + assert req.headers.get("Proxy-Authorization") == b"Basic dXNlcjo=" # proxy from request.meta req = Request( "http://scrapytest.org", meta={"proxy": "https://username:@proxy:3128"} ) assert mw.process_request(req, spider) is None - self.assertEqual(req.meta["proxy"], "https://proxy:3128") - self.assertEqual(req.headers.get("Proxy-Authorization"), b"Basic dXNlcm5hbWU6") + assert req.meta["proxy"] == "https://proxy:3128" + assert req.headers.get("Proxy-Authorization") == b"Basic dXNlcm5hbWU6" def test_proxy_auth_encoding(self): # utf-8 encoding @@ -98,33 +97,31 @@ class TestHttpProxyMiddleware(TestCase): mw = HttpProxyMiddleware(auth_encoding="utf-8") req = Request("http://scrapytest.org") assert mw.process_request(req, spider) is None - self.assertEqual(req.meta["proxy"], "https://proxy:3128") - self.assertEqual(req.headers.get("Proxy-Authorization"), b"Basic bcOhbjpwYXNz") + assert req.meta["proxy"] == "https://proxy:3128" + assert req.headers.get("Proxy-Authorization") == b"Basic bcOhbjpwYXNz" # proxy from request.meta req = Request( "http://scrapytest.org", meta={"proxy": "https://\u00fcser:pass@proxy:3128"} ) assert mw.process_request(req, spider) is None - self.assertEqual(req.meta["proxy"], "https://proxy:3128") - self.assertEqual( - req.headers.get("Proxy-Authorization"), b"Basic w7xzZXI6cGFzcw==" - ) + assert req.meta["proxy"] == "https://proxy:3128" + assert req.headers.get("Proxy-Authorization") == b"Basic w7xzZXI6cGFzcw==" # default latin-1 encoding mw = HttpProxyMiddleware(auth_encoding="latin-1") req = Request("http://scrapytest.org") assert mw.process_request(req, spider) is None - self.assertEqual(req.meta["proxy"], "https://proxy:3128") - self.assertEqual(req.headers.get("Proxy-Authorization"), b"Basic beFuOnBhc3M=") + assert req.meta["proxy"] == "https://proxy:3128" + assert req.headers.get("Proxy-Authorization") == b"Basic beFuOnBhc3M=" # proxy from request.meta, latin-1 encoding req = Request( "http://scrapytest.org", meta={"proxy": "https://\u00fcser:pass@proxy:3128"} ) assert mw.process_request(req, spider) is None - self.assertEqual(req.meta["proxy"], "https://proxy:3128") - self.assertEqual(req.headers.get("Proxy-Authorization"), b"Basic /HNlcjpwYXNz") + assert req.meta["proxy"] == "https://proxy:3128" + assert req.headers.get("Proxy-Authorization") == b"Basic /HNlcjpwYXNz" def test_proxy_already_seted(self): os.environ["http_proxy"] = "https://proxy.for.http:3128" @@ -157,7 +154,7 @@ class TestHttpProxyMiddleware(TestCase): os.environ["no_proxy"] = "*" req = Request("http://noproxy.com", meta={"proxy": "http://proxy.com"}) assert mw.process_request(req, spider) is None - self.assertEqual(req.meta, {"proxy": "http://proxy.com"}) + assert req.meta == {"proxy": "http://proxy.com"} def test_no_proxy_invalid_values(self): os.environ["no_proxy"] = "/var/run/docker.sock" @@ -172,8 +169,8 @@ class TestHttpProxyMiddleware(TestCase): assert middleware.process_request(request, spider) is None request.meta["proxy"] = "https://example.com" assert middleware.process_request(request, spider) is None - self.assertEqual(request.meta["proxy"], "https://example.com") - self.assertNotIn(b"Proxy-Authorization", request.headers) + assert request.meta["proxy"] == "https://example.com" + assert b"Proxy-Authorization" not in request.headers def test_add_proxy_with_credentials(self): middleware = HttpProxyMiddleware() @@ -181,15 +178,12 @@ class TestHttpProxyMiddleware(TestCase): assert middleware.process_request(request, spider) is None request.meta["proxy"] = "https://user1:password1@example.com" assert middleware.process_request(request, spider) is None - self.assertEqual(request.meta["proxy"], "https://example.com") + assert request.meta["proxy"] == "https://example.com" encoded_credentials = middleware._basic_auth_header( "user1", "password1", ) - self.assertEqual( - request.headers["Proxy-Authorization"], - b"Basic " + encoded_credentials, - ) + assert request.headers["Proxy-Authorization"] == b"Basic " + encoded_credentials def test_remove_proxy_without_credentials(self): middleware = HttpProxyMiddleware() @@ -200,8 +194,8 @@ class TestHttpProxyMiddleware(TestCase): assert middleware.process_request(request, spider) is None request.meta["proxy"] = None assert middleware.process_request(request, spider) is None - self.assertIsNone(request.meta["proxy"]) - self.assertNotIn(b"Proxy-Authorization", request.headers) + assert request.meta["proxy"] is None + assert b"Proxy-Authorization" not in request.headers def test_remove_proxy_with_credentials(self): middleware = HttpProxyMiddleware() @@ -212,8 +206,8 @@ class TestHttpProxyMiddleware(TestCase): assert middleware.process_request(request, spider) is None request.meta["proxy"] = None assert middleware.process_request(request, spider) is None - self.assertIsNone(request.meta["proxy"]) - self.assertNotIn(b"Proxy-Authorization", request.headers) + assert request.meta["proxy"] is None + assert b"Proxy-Authorization" not in request.headers def test_add_credentials(self): """If the proxy request meta switches to a proxy URL with the same @@ -228,15 +222,12 @@ class TestHttpProxyMiddleware(TestCase): request.meta["proxy"] = "https://user1:password1@example.com" assert middleware.process_request(request, spider) is None - self.assertEqual(request.meta["proxy"], "https://example.com") + assert request.meta["proxy"] == "https://example.com" encoded_credentials = middleware._basic_auth_header( "user1", "password1", ) - self.assertEqual( - request.headers["Proxy-Authorization"], - b"Basic " + encoded_credentials, - ) + assert request.headers["Proxy-Authorization"] == b"Basic " + encoded_credentials def test_change_credentials(self): """If the proxy request meta switches to a proxy URL with different @@ -249,15 +240,12 @@ class TestHttpProxyMiddleware(TestCase): assert middleware.process_request(request, spider) is None request.meta["proxy"] = "https://user2:password2@example.com" assert middleware.process_request(request, spider) is None - self.assertEqual(request.meta["proxy"], "https://example.com") + assert request.meta["proxy"] == "https://example.com" encoded_credentials = middleware._basic_auth_header( "user2", "password2", ) - self.assertEqual( - request.headers["Proxy-Authorization"], - b"Basic " + encoded_credentials, - ) + assert request.headers["Proxy-Authorization"] == b"Basic " + encoded_credentials def test_remove_credentials(self): """If the proxy request meta switches to a proxy URL with the same @@ -276,21 +264,18 @@ class TestHttpProxyMiddleware(TestCase): request.meta["proxy"] = "https://example.com" assert middleware.process_request(request, spider) is None - self.assertEqual(request.meta["proxy"], "https://example.com") + assert request.meta["proxy"] == "https://example.com" encoded_credentials = middleware._basic_auth_header( "user1", "password1", ) - self.assertEqual( - request.headers["Proxy-Authorization"], - b"Basic " + encoded_credentials, - ) + assert request.headers["Proxy-Authorization"] == b"Basic " + encoded_credentials request.meta["proxy"] = "https://example.com" del request.headers[b"Proxy-Authorization"] assert middleware.process_request(request, spider) is None - self.assertEqual(request.meta["proxy"], "https://example.com") - self.assertNotIn(b"Proxy-Authorization", request.headers) + assert request.meta["proxy"] == "https://example.com" + assert b"Proxy-Authorization" not in request.headers def test_change_proxy_add_credentials(self): middleware = HttpProxyMiddleware() @@ -302,15 +287,12 @@ class TestHttpProxyMiddleware(TestCase): request.meta["proxy"] = "https://user1:password1@example.org" assert middleware.process_request(request, spider) is None - self.assertEqual(request.meta["proxy"], "https://example.org") + assert request.meta["proxy"] == "https://example.org" encoded_credentials = middleware._basic_auth_header( "user1", "password1", ) - self.assertEqual( - request.headers["Proxy-Authorization"], - b"Basic " + encoded_credentials, - ) + assert request.headers["Proxy-Authorization"] == b"Basic " + encoded_credentials def test_change_proxy_keep_credentials(self): middleware = HttpProxyMiddleware() @@ -322,21 +304,18 @@ class TestHttpProxyMiddleware(TestCase): request.meta["proxy"] = "https://user1:password1@example.org" assert middleware.process_request(request, spider) is None - self.assertEqual(request.meta["proxy"], "https://example.org") + assert request.meta["proxy"] == "https://example.org" encoded_credentials = middleware._basic_auth_header( "user1", "password1", ) - self.assertEqual( - request.headers["Proxy-Authorization"], - b"Basic " + encoded_credentials, - ) + assert request.headers["Proxy-Authorization"] == b"Basic " + encoded_credentials # Make sure, indirectly, that _auth_proxy is updated. request.meta["proxy"] = "https://example.com" assert middleware.process_request(request, spider) is None - self.assertEqual(request.meta["proxy"], "https://example.com") - self.assertNotIn(b"Proxy-Authorization", request.headers) + assert request.meta["proxy"] == "https://example.com" + assert b"Proxy-Authorization" not in request.headers def test_change_proxy_change_credentials(self): middleware = HttpProxyMiddleware() @@ -348,15 +327,12 @@ class TestHttpProxyMiddleware(TestCase): request.meta["proxy"] = "https://user2:password2@example.org" assert middleware.process_request(request, spider) is None - self.assertEqual(request.meta["proxy"], "https://example.org") + assert request.meta["proxy"] == "https://example.org" encoded_credentials = middleware._basic_auth_header( "user2", "password2", ) - self.assertEqual( - request.headers["Proxy-Authorization"], - b"Basic " + encoded_credentials, - ) + assert request.headers["Proxy-Authorization"] == b"Basic " + encoded_credentials def test_change_proxy_remove_credentials(self): """If the proxy request meta switches to a proxy URL with a different @@ -369,8 +345,8 @@ class TestHttpProxyMiddleware(TestCase): assert middleware.process_request(request, spider) is None request.meta["proxy"] = "https://example.org" assert middleware.process_request(request, spider) is None - self.assertEqual(request.meta, {"proxy": "https://example.org"}) - self.assertNotIn(b"Proxy-Authorization", request.headers) + assert request.meta == {"proxy": "https://example.org"} + assert b"Proxy-Authorization" not in request.headers def test_change_proxy_remove_credentials_preremoved_header(self): """Corner case of proxy switch with credentials removal where the @@ -388,8 +364,8 @@ class TestHttpProxyMiddleware(TestCase): request.meta["proxy"] = "https://example.org" del request.headers[b"Proxy-Authorization"] assert middleware.process_request(request, spider) is None - self.assertEqual(request.meta, {"proxy": "https://example.org"}) - self.assertNotIn(b"Proxy-Authorization", request.headers) + assert request.meta == {"proxy": "https://example.org"} + assert b"Proxy-Authorization" not in request.headers def test_proxy_authentication_header_undefined_proxy(self): middleware = HttpProxyMiddleware() @@ -398,8 +374,8 @@ class TestHttpProxyMiddleware(TestCase): headers={"Proxy-Authorization": "Basic foo"}, ) assert middleware.process_request(request, spider) is None - self.assertNotIn("proxy", request.meta) - self.assertNotIn(b"Proxy-Authorization", request.headers) + assert "proxy" not in request.meta + assert b"Proxy-Authorization" not in request.headers def test_proxy_authentication_header_disabled_proxy(self): middleware = HttpProxyMiddleware() @@ -409,8 +385,8 @@ class TestHttpProxyMiddleware(TestCase): meta={"proxy": None}, ) assert middleware.process_request(request, spider) is None - self.assertIsNone(request.meta["proxy"]) - self.assertNotIn(b"Proxy-Authorization", request.headers) + assert request.meta["proxy"] is None + assert b"Proxy-Authorization" not in request.headers def test_proxy_authentication_header_proxy_without_credentials(self): """As long as the proxy URL in request metadata remains the same, the @@ -423,17 +399,17 @@ class TestHttpProxyMiddleware(TestCase): meta={"proxy": "https://example.com"}, ) assert middleware.process_request(request, spider) is None - self.assertEqual(request.meta["proxy"], "https://example.com") - self.assertEqual(request.headers["Proxy-Authorization"], b"Basic foo") + assert request.meta["proxy"] == "https://example.com" + assert request.headers["Proxy-Authorization"] == b"Basic foo" assert middleware.process_request(request, spider) is None - self.assertEqual(request.meta["proxy"], "https://example.com") - self.assertEqual(request.headers["Proxy-Authorization"], b"Basic foo") + assert request.meta["proxy"] == "https://example.com" + assert request.headers["Proxy-Authorization"] == b"Basic foo" request.headers["Proxy-Authorization"] = b"Basic bar" assert middleware.process_request(request, spider) is None - self.assertEqual(request.meta["proxy"], "https://example.com") - self.assertEqual(request.headers["Proxy-Authorization"], b"Basic bar") + assert request.meta["proxy"] == "https://example.com" + assert request.headers["Proxy-Authorization"] == b"Basic bar" def test_proxy_authentication_header_proxy_with_same_credentials(self): middleware = HttpProxyMiddleware() @@ -447,11 +423,8 @@ class TestHttpProxyMiddleware(TestCase): meta={"proxy": "https://user1:password1@example.com"}, ) assert middleware.process_request(request, spider) is None - self.assertEqual(request.meta["proxy"], "https://example.com") - self.assertEqual( - request.headers["Proxy-Authorization"], - b"Basic " + encoded_credentials, - ) + assert request.meta["proxy"] == "https://example.com" + assert request.headers["Proxy-Authorization"] == b"Basic " + encoded_credentials def test_proxy_authentication_header_proxy_with_different_credentials(self): middleware = HttpProxyMiddleware() @@ -465,12 +438,11 @@ class TestHttpProxyMiddleware(TestCase): meta={"proxy": "https://user2:password2@example.com"}, ) assert middleware.process_request(request, spider) is None - self.assertEqual(request.meta["proxy"], "https://example.com") + assert request.meta["proxy"] == "https://example.com" encoded_credentials2 = middleware._basic_auth_header( "user2", "password2", ) - self.assertEqual( - request.headers["Proxy-Authorization"], - b"Basic " + encoded_credentials2, + assert ( + request.headers["Proxy-Authorization"] == b"Basic " + encoded_credentials2 ) diff --git a/tests/test_downloadermiddleware_redirect.py b/tests/test_downloadermiddleware_redirect.py index 47abeee7a..a47459eda 100644 --- a/tests/test_downloadermiddleware_redirect.py +++ b/tests/test_downloadermiddleware_redirect.py @@ -1,4 +1,3 @@ -import unittest from itertools import chain, product import pytest @@ -16,12 +15,12 @@ from scrapy.utils.test import get_crawler class Base: - class Test(unittest.TestCase): + class Test: def test_priority_adjust(self): req = Request("http://a.com") rsp = self.get_response(req, "http://a.com/redirected") req2 = self.mw.process_response(req, rsp, self.spider) - self.assertGreater(req2.priority, req.priority) + assert req2.priority > req.priority def test_dont_redirect(self): url = "http://www.example.com/301" @@ -53,8 +52,8 @@ class Base: req2 = self.mw.process_response(req, rsp, self.spider) assert isinstance(req2, Request) - self.assertEqual(req2.url, url2) - self.assertEqual(req2.method, "GET") + assert req2.url == url2 + assert req2.method == "GET" assert "Content-Type" not in req2.headers, ( "Content-Type header must not be present in redirected request" ) @@ -71,7 +70,7 @@ class Base: req = self.mw.process_response(req, rsp, self.spider) assert isinstance(req, Request) assert "redirect_times" in req.meta - self.assertEqual(req.meta["redirect_times"], 1) + assert req.meta["redirect_times"] == 1 with pytest.raises(IgnoreRequest): self.mw.process_response(req, rsp, self.spider) @@ -92,15 +91,13 @@ class Base: rsp2 = self.get_response(req1, "/redirected2") req3 = self.mw.process_response(req2, rsp2, self.spider) - self.assertEqual(req2.url, "http://scrapytest.org/redirected") - self.assertEqual( - req2.meta["redirect_urls"], ["http://scrapytest.org/first"] - ) - self.assertEqual(req3.url, "http://scrapytest.org/redirected2") - self.assertEqual( - req3.meta["redirect_urls"], - ["http://scrapytest.org/first", "http://scrapytest.org/redirected"], - ) + assert req2.url == "http://scrapytest.org/redirected" + assert req2.meta["redirect_urls"] == ["http://scrapytest.org/first"] + assert req3.url == "http://scrapytest.org/redirected2" + assert req3.meta["redirect_urls"] == [ + "http://scrapytest.org/first", + "http://scrapytest.org/redirected", + ] def test_redirect_reasons(self): req1 = Request("http://scrapytest.org/first") @@ -108,8 +105,8 @@ class Base: req2 = self.mw.process_response(req1, rsp1, self.spider) rsp2 = self.get_response(req2, "/redirected2") req3 = self.mw.process_response(req2, rsp2, self.spider) - self.assertEqual(req2.meta["redirect_reasons"], [self.reason]) - self.assertEqual(req3.meta["redirect_reasons"], [self.reason, self.reason]) + assert req2.meta["redirect_reasons"] == [self.reason] + assert req3.meta["redirect_reasons"] == [self.reason, self.reason] def test_cross_origin_header_dropping(self): safe_headers = {"A": "B"} @@ -129,10 +126,8 @@ class Base: internal_redirect_request = self.mw.process_response( original_request, internal_response, self.spider ) - self.assertIsInstance(internal_redirect_request, Request) - self.assertEqual( - original_request.headers, internal_redirect_request.headers - ) + assert isinstance(internal_redirect_request, Request) + assert original_request.headers == internal_redirect_request.headers # Redirects to the same origin (same scheme, same domain, same port) # keep all headers also when the scheme is http. @@ -144,8 +139,8 @@ class Base: http_redirect_request = self.mw.process_response( http_request, http_response, self.spider ) - self.assertIsInstance(http_redirect_request, Request) - self.assertEqual(http_request.headers, http_redirect_request.headers) + assert isinstance(http_redirect_request, Request) + assert http_request.headers == http_redirect_request.headers # For default ports, whether the port is explicit or implicit does not # affect the outcome, it is still the same origin. @@ -155,10 +150,8 @@ class Base: to_explicit_port_redirect_request = self.mw.process_response( original_request, to_explicit_port_response, self.spider ) - self.assertIsInstance(to_explicit_port_redirect_request, Request) - self.assertEqual( - original_request.headers, to_explicit_port_redirect_request.headers - ) + assert isinstance(to_explicit_port_redirect_request, Request) + assert original_request.headers == to_explicit_port_redirect_request.headers # For default ports, whether the port is explicit or implicit does not # affect the outcome, it is still the same origin. @@ -168,10 +161,8 @@ class Base: to_implicit_port_redirect_request = self.mw.process_response( original_request, to_implicit_port_response, self.spider ) - self.assertIsInstance(to_implicit_port_redirect_request, Request) - self.assertEqual( - original_request.headers, to_implicit_port_redirect_request.headers - ) + assert isinstance(to_implicit_port_redirect_request, Request) + assert original_request.headers == to_implicit_port_redirect_request.headers # A port change drops the Authorization header because the origin # changes, but keeps the Cookie header because the domain remains the @@ -182,11 +173,11 @@ class Base: different_port_redirect_request = self.mw.process_response( original_request, different_port_response, self.spider ) - self.assertIsInstance(different_port_redirect_request, Request) - self.assertEqual( - {**safe_headers, **cookie_header}, - different_port_redirect_request.headers.to_unicode_dict(), - ) + assert isinstance(different_port_redirect_request, Request) + assert { + **safe_headers, + **cookie_header, + } == different_port_redirect_request.headers.to_unicode_dict() # A domain change drops both the Authorization and the Cookie header. external_response = self.get_response( @@ -195,10 +186,8 @@ class Base: external_redirect_request = self.mw.process_response( original_request, external_response, self.spider ) - self.assertIsInstance(external_redirect_request, Request) - self.assertEqual( - safe_headers, external_redirect_request.headers.to_unicode_dict() - ) + assert isinstance(external_redirect_request, Request) + assert safe_headers == external_redirect_request.headers.to_unicode_dict() # A scheme upgrade (http → https) drops the Authorization header # because the origin changes, but keeps the Cookie header because the @@ -207,11 +196,11 @@ class Base: upgrade_redirect_request = self.mw.process_response( http_request, upgrade_response, self.spider ) - self.assertIsInstance(upgrade_redirect_request, Request) - self.assertEqual( - {**safe_headers, **cookie_header}, - upgrade_redirect_request.headers.to_unicode_dict(), - ) + assert isinstance(upgrade_redirect_request, Request) + assert { + **safe_headers, + **cookie_header, + } == upgrade_redirect_request.headers.to_unicode_dict() # A scheme downgrade (https → http) drops the Authorization header # because the origin changes, and the Cookie header because its value @@ -228,11 +217,8 @@ class Base: downgrade_redirect_request = self.mw.process_response( original_request, downgrade_response, self.spider ) - self.assertIsInstance(downgrade_redirect_request, Request) - self.assertEqual( - safe_headers, - downgrade_redirect_request.headers.to_unicode_dict(), - ) + assert isinstance(downgrade_redirect_request, Request) + assert safe_headers == downgrade_redirect_request.headers.to_unicode_dict() def test_meta_proxy_http_absolute(self): crawler = get_crawler() @@ -244,37 +230,37 @@ class Base: spider = None proxy_mw.process_request(request1, spider) - self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request1.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request1.meta["proxy"], "https://a.example") + assert request1.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request1.meta["_auth_proxy"] == "https://a.example" + assert request1.meta["proxy"] == "https://a.example" response1 = self.get_response(request1, "http://example.com") request2 = redirect_mw.process_response(request1, response1, spider) - self.assertIsInstance(request2, Request) - self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request2.meta["proxy"], "https://a.example") + assert isinstance(request2, Request) + assert request2.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request2.meta["_auth_proxy"] == "https://a.example" + assert request2.meta["proxy"] == "https://a.example" proxy_mw.process_request(request2, spider) - self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request2.meta["proxy"], "https://a.example") + assert request2.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request2.meta["_auth_proxy"] == "https://a.example" + assert request2.meta["proxy"] == "https://a.example" response2 = self.get_response(request2, "http://example.com") request3 = redirect_mw.process_response(request2, response2, spider) - self.assertIsInstance(request3, Request) - self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request3.meta["proxy"], "https://a.example") + assert isinstance(request3, Request) + assert request3.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request3.meta["_auth_proxy"] == "https://a.example" + assert request3.meta["proxy"] == "https://a.example" proxy_mw.process_request(request3, spider) - self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request3.meta["proxy"], "https://a.example") + assert request3.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request3.meta["_auth_proxy"] == "https://a.example" + assert request3.meta["proxy"] == "https://a.example" def test_meta_proxy_http_relative(self): crawler = get_crawler() @@ -286,37 +272,37 @@ class Base: spider = None proxy_mw.process_request(request1, spider) - self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request1.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request1.meta["proxy"], "https://a.example") + assert request1.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request1.meta["_auth_proxy"] == "https://a.example" + assert request1.meta["proxy"] == "https://a.example" response1 = self.get_response(request1, "/a") request2 = redirect_mw.process_response(request1, response1, spider) - self.assertIsInstance(request2, Request) - self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request2.meta["proxy"], "https://a.example") + assert isinstance(request2, Request) + assert request2.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request2.meta["_auth_proxy"] == "https://a.example" + assert request2.meta["proxy"] == "https://a.example" proxy_mw.process_request(request2, spider) - self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request2.meta["proxy"], "https://a.example") + assert request2.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request2.meta["_auth_proxy"] == "https://a.example" + assert request2.meta["proxy"] == "https://a.example" response2 = self.get_response(request2, "/a") request3 = redirect_mw.process_response(request2, response2, spider) - self.assertIsInstance(request3, Request) - self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request3.meta["proxy"], "https://a.example") + assert isinstance(request3, Request) + assert request3.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request3.meta["_auth_proxy"] == "https://a.example" + assert request3.meta["proxy"] == "https://a.example" proxy_mw.process_request(request3, spider) - self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request3.meta["proxy"], "https://a.example") + assert request3.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request3.meta["_auth_proxy"] == "https://a.example" + assert request3.meta["proxy"] == "https://a.example" def test_meta_proxy_https_absolute(self): crawler = get_crawler() @@ -328,37 +314,37 @@ class Base: spider = None proxy_mw.process_request(request1, spider) - self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request1.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request1.meta["proxy"], "https://a.example") + assert request1.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request1.meta["_auth_proxy"] == "https://a.example" + assert request1.meta["proxy"] == "https://a.example" response1 = self.get_response(request1, "https://example.com") request2 = redirect_mw.process_response(request1, response1, spider) - self.assertIsInstance(request2, Request) - self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request2.meta["proxy"], "https://a.example") + assert isinstance(request2, Request) + assert request2.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request2.meta["_auth_proxy"] == "https://a.example" + assert request2.meta["proxy"] == "https://a.example" proxy_mw.process_request(request2, spider) - self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request2.meta["proxy"], "https://a.example") + assert request2.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request2.meta["_auth_proxy"] == "https://a.example" + assert request2.meta["proxy"] == "https://a.example" response2 = self.get_response(request2, "https://example.com") request3 = redirect_mw.process_response(request2, response2, spider) - self.assertIsInstance(request3, Request) - self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request3.meta["proxy"], "https://a.example") + assert isinstance(request3, Request) + assert request3.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request3.meta["_auth_proxy"] == "https://a.example" + assert request3.meta["proxy"] == "https://a.example" proxy_mw.process_request(request3, spider) - self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request3.meta["proxy"], "https://a.example") + assert request3.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request3.meta["_auth_proxy"] == "https://a.example" + assert request3.meta["proxy"] == "https://a.example" def test_meta_proxy_https_relative(self): crawler = get_crawler() @@ -370,37 +356,37 @@ class Base: spider = None proxy_mw.process_request(request1, spider) - self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request1.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request1.meta["proxy"], "https://a.example") + assert request1.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request1.meta["_auth_proxy"] == "https://a.example" + assert request1.meta["proxy"] == "https://a.example" response1 = self.get_response(request1, "/a") request2 = redirect_mw.process_response(request1, response1, spider) - self.assertIsInstance(request2, Request) - self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request2.meta["proxy"], "https://a.example") + assert isinstance(request2, Request) + assert request2.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request2.meta["_auth_proxy"] == "https://a.example" + assert request2.meta["proxy"] == "https://a.example" proxy_mw.process_request(request2, spider) - self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request2.meta["proxy"], "https://a.example") + assert request2.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request2.meta["_auth_proxy"] == "https://a.example" + assert request2.meta["proxy"] == "https://a.example" response2 = self.get_response(request2, "/a") request3 = redirect_mw.process_response(request2, response2, spider) - self.assertIsInstance(request3, Request) - self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request3.meta["proxy"], "https://a.example") + assert isinstance(request3, Request) + assert request3.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request3.meta["_auth_proxy"] == "https://a.example" + assert request3.meta["proxy"] == "https://a.example" proxy_mw.process_request(request3, spider) - self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request3.meta["proxy"], "https://a.example") + assert request3.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request3.meta["_auth_proxy"] == "https://a.example" + assert request3.meta["proxy"] == "https://a.example" def test_meta_proxy_http_to_https(self): crawler = get_crawler() @@ -412,37 +398,37 @@ class Base: spider = None proxy_mw.process_request(request1, spider) - self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request1.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request1.meta["proxy"], "https://a.example") + assert request1.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request1.meta["_auth_proxy"] == "https://a.example" + assert request1.meta["proxy"] == "https://a.example" response1 = self.get_response(request1, "https://example.com") request2 = redirect_mw.process_response(request1, response1, spider) - self.assertIsInstance(request2, Request) - self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request2.meta["proxy"], "https://a.example") + assert isinstance(request2, Request) + assert request2.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request2.meta["_auth_proxy"] == "https://a.example" + assert request2.meta["proxy"] == "https://a.example" proxy_mw.process_request(request2, spider) - self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request2.meta["proxy"], "https://a.example") + assert request2.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request2.meta["_auth_proxy"] == "https://a.example" + assert request2.meta["proxy"] == "https://a.example" response2 = self.get_response(request2, "http://example.com") request3 = redirect_mw.process_response(request2, response2, spider) - self.assertIsInstance(request3, Request) - self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request3.meta["proxy"], "https://a.example") + assert isinstance(request3, Request) + assert request3.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request3.meta["_auth_proxy"] == "https://a.example" + assert request3.meta["proxy"] == "https://a.example" proxy_mw.process_request(request3, spider) - self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request3.meta["proxy"], "https://a.example") + assert request3.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request3.meta["_auth_proxy"] == "https://a.example" + assert request3.meta["proxy"] == "https://a.example" def test_meta_proxy_https_to_http(self): crawler = get_crawler() @@ -454,37 +440,37 @@ class Base: spider = None proxy_mw.process_request(request1, spider) - self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request1.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request1.meta["proxy"], "https://a.example") + assert request1.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request1.meta["_auth_proxy"] == "https://a.example" + assert request1.meta["proxy"] == "https://a.example" response1 = self.get_response(request1, "http://example.com") request2 = redirect_mw.process_response(request1, response1, spider) - self.assertIsInstance(request2, Request) - self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request2.meta["proxy"], "https://a.example") + assert isinstance(request2, Request) + assert request2.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request2.meta["_auth_proxy"] == "https://a.example" + assert request2.meta["proxy"] == "https://a.example" proxy_mw.process_request(request2, spider) - self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request2.meta["proxy"], "https://a.example") + assert request2.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request2.meta["_auth_proxy"] == "https://a.example" + assert request2.meta["proxy"] == "https://a.example" response2 = self.get_response(request2, "https://example.com") request3 = redirect_mw.process_response(request2, response2, spider) - self.assertIsInstance(request3, Request) - self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request3.meta["proxy"], "https://a.example") + assert isinstance(request3, Request) + assert request3.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request3.meta["_auth_proxy"] == "https://a.example" + assert request3.meta["proxy"] == "https://a.example" proxy_mw.process_request(request3, spider) - self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request3.meta["proxy"], "https://a.example") + assert request3.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request3.meta["_auth_proxy"] == "https://a.example" + assert request3.meta["proxy"] == "https://a.example" def test_system_proxy_http_absolute(self): crawler = get_crawler() @@ -499,37 +485,37 @@ class Base: spider = None proxy_mw.process_request(request1, spider) - self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request1.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request1.meta["proxy"], "https://a.example") + assert request1.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request1.meta["_auth_proxy"] == "https://a.example" + assert request1.meta["proxy"] == "https://a.example" response1 = self.get_response(request1, "http://example.com") request2 = redirect_mw.process_response(request1, response1, spider) - self.assertIsInstance(request2, Request) - self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request2.meta["proxy"], "https://a.example") + assert isinstance(request2, Request) + assert request2.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request2.meta["_auth_proxy"] == "https://a.example" + assert request2.meta["proxy"] == "https://a.example" proxy_mw.process_request(request2, spider) - self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request2.meta["proxy"], "https://a.example") + assert request2.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request2.meta["_auth_proxy"] == "https://a.example" + assert request2.meta["proxy"] == "https://a.example" response2 = self.get_response(request2, "http://example.com") request3 = redirect_mw.process_response(request2, response2, spider) - self.assertIsInstance(request3, Request) - self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request3.meta["proxy"], "https://a.example") + assert isinstance(request3, Request) + assert request3.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request3.meta["_auth_proxy"] == "https://a.example" + assert request3.meta["proxy"] == "https://a.example" proxy_mw.process_request(request3, spider) - self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request3.meta["proxy"], "https://a.example") + assert request3.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request3.meta["_auth_proxy"] == "https://a.example" + assert request3.meta["proxy"] == "https://a.example" def test_system_proxy_http_relative(self): crawler = get_crawler() @@ -544,37 +530,37 @@ class Base: spider = None proxy_mw.process_request(request1, spider) - self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request1.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request1.meta["proxy"], "https://a.example") + assert request1.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request1.meta["_auth_proxy"] == "https://a.example" + assert request1.meta["proxy"] == "https://a.example" response1 = self.get_response(request1, "/a") request2 = redirect_mw.process_response(request1, response1, spider) - self.assertIsInstance(request2, Request) - self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request2.meta["proxy"], "https://a.example") + assert isinstance(request2, Request) + assert request2.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request2.meta["_auth_proxy"] == "https://a.example" + assert request2.meta["proxy"] == "https://a.example" proxy_mw.process_request(request2, spider) - self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request2.meta["proxy"], "https://a.example") + assert request2.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request2.meta["_auth_proxy"] == "https://a.example" + assert request2.meta["proxy"] == "https://a.example" response2 = self.get_response(request2, "/a") request3 = redirect_mw.process_response(request2, response2, spider) - self.assertIsInstance(request3, Request) - self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request3.meta["proxy"], "https://a.example") + assert isinstance(request3, Request) + assert request3.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request3.meta["_auth_proxy"] == "https://a.example" + assert request3.meta["proxy"] == "https://a.example" proxy_mw.process_request(request3, spider) - self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request3.meta["proxy"], "https://a.example") + assert request3.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request3.meta["_auth_proxy"] == "https://a.example" + assert request3.meta["proxy"] == "https://a.example" def test_system_proxy_https_absolute(self): crawler = get_crawler() @@ -589,37 +575,37 @@ class Base: spider = None proxy_mw.process_request(request1, spider) - self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request1.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request1.meta["proxy"], "https://a.example") + assert request1.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request1.meta["_auth_proxy"] == "https://a.example" + assert request1.meta["proxy"] == "https://a.example" response1 = self.get_response(request1, "https://example.com") request2 = redirect_mw.process_response(request1, response1, spider) - self.assertIsInstance(request2, Request) - self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request2.meta["proxy"], "https://a.example") + assert isinstance(request2, Request) + assert request2.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request2.meta["_auth_proxy"] == "https://a.example" + assert request2.meta["proxy"] == "https://a.example" proxy_mw.process_request(request2, spider) - self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request2.meta["proxy"], "https://a.example") + assert request2.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request2.meta["_auth_proxy"] == "https://a.example" + assert request2.meta["proxy"] == "https://a.example" response2 = self.get_response(request2, "https://example.com") request3 = redirect_mw.process_response(request2, response2, spider) - self.assertIsInstance(request3, Request) - self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request3.meta["proxy"], "https://a.example") + assert isinstance(request3, Request) + assert request3.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request3.meta["_auth_proxy"] == "https://a.example" + assert request3.meta["proxy"] == "https://a.example" proxy_mw.process_request(request3, spider) - self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request3.meta["proxy"], "https://a.example") + assert request3.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request3.meta["_auth_proxy"] == "https://a.example" + assert request3.meta["proxy"] == "https://a.example" def test_system_proxy_https_relative(self): crawler = get_crawler() @@ -634,37 +620,37 @@ class Base: spider = None proxy_mw.process_request(request1, spider) - self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request1.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request1.meta["proxy"], "https://a.example") + assert request1.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request1.meta["_auth_proxy"] == "https://a.example" + assert request1.meta["proxy"] == "https://a.example" response1 = self.get_response(request1, "/a") request2 = redirect_mw.process_response(request1, response1, spider) - self.assertIsInstance(request2, Request) - self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request2.meta["proxy"], "https://a.example") + assert isinstance(request2, Request) + assert request2.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request2.meta["_auth_proxy"] == "https://a.example" + assert request2.meta["proxy"] == "https://a.example" proxy_mw.process_request(request2, spider) - self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request2.meta["proxy"], "https://a.example") + assert request2.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request2.meta["_auth_proxy"] == "https://a.example" + assert request2.meta["proxy"] == "https://a.example" response2 = self.get_response(request2, "/a") request3 = redirect_mw.process_response(request2, response2, spider) - self.assertIsInstance(request3, Request) - self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request3.meta["proxy"], "https://a.example") + assert isinstance(request3, Request) + assert request3.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request3.meta["_auth_proxy"] == "https://a.example" + assert request3.meta["proxy"] == "https://a.example" proxy_mw.process_request(request3, spider) - self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request3.meta["proxy"], "https://a.example") + assert request3.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request3.meta["_auth_proxy"] == "https://a.example" + assert request3.meta["proxy"] == "https://a.example" def test_system_proxy_proxied_http_to_proxied_https(self): crawler = get_crawler() @@ -680,37 +666,37 @@ class Base: spider = None proxy_mw.process_request(request1, spider) - self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request1.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request1.meta["proxy"], "https://a.example") + assert request1.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request1.meta["_auth_proxy"] == "https://a.example" + assert request1.meta["proxy"] == "https://a.example" response1 = self.get_response(request1, "https://example.com") request2 = redirect_mw.process_response(request1, response1, spider) - self.assertIsInstance(request2, Request) - self.assertNotIn("Proxy-Authorization", request2.headers) - self.assertNotIn("_auth_proxy", request2.meta) - self.assertNotIn("proxy", request2.meta) + assert isinstance(request2, Request) + assert "Proxy-Authorization" not in request2.headers + assert "_auth_proxy" not in request2.meta + assert "proxy" not in request2.meta proxy_mw.process_request(request2, spider) - self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic Yjo=") - self.assertEqual(request2.meta["_auth_proxy"], "https://b.example") - self.assertEqual(request2.meta["proxy"], "https://b.example") + assert request2.headers["Proxy-Authorization"] == b"Basic Yjo=" + assert request2.meta["_auth_proxy"] == "https://b.example" + assert request2.meta["proxy"] == "https://b.example" response2 = self.get_response(request2, "http://example.com") request3 = redirect_mw.process_response(request2, response2, spider) - self.assertIsInstance(request3, Request) - self.assertNotIn("Proxy-Authorization", request3.headers) - self.assertNotIn("_auth_proxy", request3.meta) - self.assertNotIn("proxy", request3.meta) + assert isinstance(request3, Request) + assert "Proxy-Authorization" not in request3.headers + assert "_auth_proxy" not in request3.meta + assert "proxy" not in request3.meta proxy_mw.process_request(request3, spider) - self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request3.meta["proxy"], "https://a.example") + assert request3.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request3.meta["_auth_proxy"] == "https://a.example" + assert request3.meta["proxy"] == "https://a.example" def test_system_proxy_proxied_http_to_unproxied_https(self): crawler = get_crawler() @@ -725,37 +711,37 @@ class Base: spider = None proxy_mw.process_request(request1, spider) - self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request1.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request1.meta["proxy"], "https://a.example") + assert request1.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request1.meta["_auth_proxy"] == "https://a.example" + assert request1.meta["proxy"] == "https://a.example" response1 = self.get_response(request1, "https://example.com") request2 = redirect_mw.process_response(request1, response1, spider) - self.assertIsInstance(request2, Request) - self.assertNotIn("Proxy-Authorization", request2.headers) - self.assertNotIn("_auth_proxy", request2.meta) - self.assertNotIn("proxy", request2.meta) + assert isinstance(request2, Request) + assert "Proxy-Authorization" not in request2.headers + assert "_auth_proxy" not in request2.meta + assert "proxy" not in request2.meta proxy_mw.process_request(request2, spider) - self.assertNotIn("Proxy-Authorization", request2.headers) - self.assertNotIn("_auth_proxy", request2.meta) - self.assertNotIn("proxy", request2.meta) + assert "Proxy-Authorization" not in request2.headers + assert "_auth_proxy" not in request2.meta + assert "proxy" not in request2.meta response2 = self.get_response(request2, "http://example.com") request3 = redirect_mw.process_response(request2, response2, spider) - self.assertIsInstance(request3, Request) - self.assertNotIn("Proxy-Authorization", request3.headers) - self.assertNotIn("_auth_proxy", request3.meta) - self.assertNotIn("proxy", request3.meta) + assert isinstance(request3, Request) + assert "Proxy-Authorization" not in request3.headers + assert "_auth_proxy" not in request3.meta + assert "proxy" not in request3.meta proxy_mw.process_request(request3, spider) - self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request3.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request3.meta["proxy"], "https://a.example") + assert request3.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request3.meta["_auth_proxy"] == "https://a.example" + assert request3.meta["proxy"] == "https://a.example" def test_system_proxy_unproxied_http_to_proxied_https(self): crawler = get_crawler() @@ -770,37 +756,37 @@ class Base: spider = None proxy_mw.process_request(request1, spider) - self.assertNotIn("Proxy-Authorization", request1.headers) - self.assertNotIn("_auth_proxy", request1.meta) - self.assertNotIn("proxy", request1.meta) + assert "Proxy-Authorization" not in request1.headers + assert "_auth_proxy" not in request1.meta + assert "proxy" not in request1.meta response1 = self.get_response(request1, "https://example.com") request2 = redirect_mw.process_response(request1, response1, spider) - self.assertIsInstance(request2, Request) - self.assertNotIn("Proxy-Authorization", request2.headers) - self.assertNotIn("_auth_proxy", request2.meta) - self.assertNotIn("proxy", request2.meta) + assert isinstance(request2, Request) + assert "Proxy-Authorization" not in request2.headers + assert "_auth_proxy" not in request2.meta + assert "proxy" not in request2.meta proxy_mw.process_request(request2, spider) - self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic Yjo=") - self.assertEqual(request2.meta["_auth_proxy"], "https://b.example") - self.assertEqual(request2.meta["proxy"], "https://b.example") + assert request2.headers["Proxy-Authorization"] == b"Basic Yjo=" + assert request2.meta["_auth_proxy"] == "https://b.example" + assert request2.meta["proxy"] == "https://b.example" response2 = self.get_response(request2, "http://example.com") request3 = redirect_mw.process_response(request2, response2, spider) - self.assertIsInstance(request3, Request) - self.assertNotIn("Proxy-Authorization", request3.headers) - self.assertNotIn("_auth_proxy", request3.meta) - self.assertNotIn("proxy", request3.meta) + assert isinstance(request3, Request) + assert "Proxy-Authorization" not in request3.headers + assert "_auth_proxy" not in request3.meta + assert "proxy" not in request3.meta proxy_mw.process_request(request3, spider) - self.assertNotIn("Proxy-Authorization", request3.headers) - self.assertNotIn("_auth_proxy", request3.meta) - self.assertNotIn("proxy", request3.meta) + assert "Proxy-Authorization" not in request3.headers + assert "_auth_proxy" not in request3.meta + assert "proxy" not in request3.meta def test_system_proxy_unproxied_http_to_unproxied_https(self): crawler = get_crawler() @@ -811,37 +797,37 @@ class Base: spider = None proxy_mw.process_request(request1, spider) - self.assertNotIn("Proxy-Authorization", request1.headers) - self.assertNotIn("_auth_proxy", request1.meta) - self.assertNotIn("proxy", request1.meta) + assert "Proxy-Authorization" not in request1.headers + assert "_auth_proxy" not in request1.meta + assert "proxy" not in request1.meta response1 = self.get_response(request1, "https://example.com") request2 = redirect_mw.process_response(request1, response1, spider) - self.assertIsInstance(request2, Request) - self.assertNotIn("Proxy-Authorization", request2.headers) - self.assertNotIn("_auth_proxy", request2.meta) - self.assertNotIn("proxy", request2.meta) + assert isinstance(request2, Request) + assert "Proxy-Authorization" not in request2.headers + assert "_auth_proxy" not in request2.meta + assert "proxy" not in request2.meta proxy_mw.process_request(request2, spider) - self.assertNotIn("Proxy-Authorization", request2.headers) - self.assertNotIn("_auth_proxy", request2.meta) - self.assertNotIn("proxy", request2.meta) + assert "Proxy-Authorization" not in request2.headers + assert "_auth_proxy" not in request2.meta + assert "proxy" not in request2.meta response2 = self.get_response(request2, "http://example.com") request3 = redirect_mw.process_response(request2, response2, spider) - self.assertIsInstance(request3, Request) - self.assertNotIn("Proxy-Authorization", request3.headers) - self.assertNotIn("_auth_proxy", request3.meta) - self.assertNotIn("proxy", request3.meta) + assert isinstance(request3, Request) + assert "Proxy-Authorization" not in request3.headers + assert "_auth_proxy" not in request3.meta + assert "proxy" not in request3.meta proxy_mw.process_request(request3, spider) - self.assertNotIn("Proxy-Authorization", request3.headers) - self.assertNotIn("_auth_proxy", request3.meta) - self.assertNotIn("proxy", request3.meta) + assert "Proxy-Authorization" not in request3.headers + assert "_auth_proxy" not in request3.meta + assert "proxy" not in request3.meta def test_system_proxy_proxied_https_to_proxied_http(self): crawler = get_crawler() @@ -857,37 +843,37 @@ class Base: spider = None proxy_mw.process_request(request1, spider) - self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic Yjo=") - self.assertEqual(request1.meta["_auth_proxy"], "https://b.example") - self.assertEqual(request1.meta["proxy"], "https://b.example") + assert request1.headers["Proxy-Authorization"] == b"Basic Yjo=" + assert request1.meta["_auth_proxy"] == "https://b.example" + assert request1.meta["proxy"] == "https://b.example" response1 = self.get_response(request1, "http://example.com") request2 = redirect_mw.process_response(request1, response1, spider) - self.assertIsInstance(request2, Request) - self.assertNotIn("Proxy-Authorization", request2.headers) - self.assertNotIn("_auth_proxy", request2.meta) - self.assertNotIn("proxy", request2.meta) + assert isinstance(request2, Request) + assert "Proxy-Authorization" not in request2.headers + assert "_auth_proxy" not in request2.meta + assert "proxy" not in request2.meta proxy_mw.process_request(request2, spider) - self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request2.meta["proxy"], "https://a.example") + assert request2.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request2.meta["_auth_proxy"] == "https://a.example" + assert request2.meta["proxy"] == "https://a.example" response2 = self.get_response(request2, "https://example.com") request3 = redirect_mw.process_response(request2, response2, spider) - self.assertIsInstance(request3, Request) - self.assertNotIn("Proxy-Authorization", request3.headers) - self.assertNotIn("_auth_proxy", request3.meta) - self.assertNotIn("proxy", request3.meta) + assert isinstance(request3, Request) + assert "Proxy-Authorization" not in request3.headers + assert "_auth_proxy" not in request3.meta + assert "proxy" not in request3.meta proxy_mw.process_request(request3, spider) - self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic Yjo=") - self.assertEqual(request3.meta["_auth_proxy"], "https://b.example") - self.assertEqual(request3.meta["proxy"], "https://b.example") + assert request3.headers["Proxy-Authorization"] == b"Basic Yjo=" + assert request3.meta["_auth_proxy"] == "https://b.example" + assert request3.meta["proxy"] == "https://b.example" def test_system_proxy_proxied_https_to_unproxied_http(self): crawler = get_crawler() @@ -902,37 +888,37 @@ class Base: spider = None proxy_mw.process_request(request1, spider) - self.assertEqual(request1.headers["Proxy-Authorization"], b"Basic Yjo=") - self.assertEqual(request1.meta["_auth_proxy"], "https://b.example") - self.assertEqual(request1.meta["proxy"], "https://b.example") + assert request1.headers["Proxy-Authorization"] == b"Basic Yjo=" + assert request1.meta["_auth_proxy"] == "https://b.example" + assert request1.meta["proxy"] == "https://b.example" response1 = self.get_response(request1, "http://example.com") request2 = redirect_mw.process_response(request1, response1, spider) - self.assertIsInstance(request2, Request) - self.assertNotIn("Proxy-Authorization", request2.headers) - self.assertNotIn("_auth_proxy", request2.meta) - self.assertNotIn("proxy", request2.meta) + assert isinstance(request2, Request) + assert "Proxy-Authorization" not in request2.headers + assert "_auth_proxy" not in request2.meta + assert "proxy" not in request2.meta proxy_mw.process_request(request2, spider) - self.assertNotIn("Proxy-Authorization", request2.headers) - self.assertNotIn("_auth_proxy", request2.meta) - self.assertNotIn("proxy", request2.meta) + assert "Proxy-Authorization" not in request2.headers + assert "_auth_proxy" not in request2.meta + assert "proxy" not in request2.meta response2 = self.get_response(request2, "https://example.com") request3 = redirect_mw.process_response(request2, response2, spider) - self.assertIsInstance(request3, Request) - self.assertNotIn("Proxy-Authorization", request3.headers) - self.assertNotIn("_auth_proxy", request3.meta) - self.assertNotIn("proxy", request3.meta) + assert isinstance(request3, Request) + assert "Proxy-Authorization" not in request3.headers + assert "_auth_proxy" not in request3.meta + assert "proxy" not in request3.meta proxy_mw.process_request(request3, spider) - self.assertEqual(request3.headers["Proxy-Authorization"], b"Basic Yjo=") - self.assertEqual(request3.meta["_auth_proxy"], "https://b.example") - self.assertEqual(request3.meta["proxy"], "https://b.example") + assert request3.headers["Proxy-Authorization"] == b"Basic Yjo=" + assert request3.meta["_auth_proxy"] == "https://b.example" + assert request3.meta["proxy"] == "https://b.example" def test_system_proxy_unproxied_https_to_proxied_http(self): crawler = get_crawler() @@ -947,37 +933,37 @@ class Base: spider = None proxy_mw.process_request(request1, spider) - self.assertNotIn("Proxy-Authorization", request1.headers) - self.assertNotIn("_auth_proxy", request1.meta) - self.assertNotIn("proxy", request1.meta) + assert "Proxy-Authorization" not in request1.headers + assert "_auth_proxy" not in request1.meta + assert "proxy" not in request1.meta response1 = self.get_response(request1, "http://example.com") request2 = redirect_mw.process_response(request1, response1, spider) - self.assertIsInstance(request2, Request) - self.assertNotIn("Proxy-Authorization", request2.headers) - self.assertNotIn("_auth_proxy", request2.meta) - self.assertNotIn("proxy", request2.meta) + assert isinstance(request2, Request) + assert "Proxy-Authorization" not in request2.headers + assert "_auth_proxy" not in request2.meta + assert "proxy" not in request2.meta proxy_mw.process_request(request2, spider) - self.assertEqual(request2.headers["Proxy-Authorization"], b"Basic YTo=") - self.assertEqual(request2.meta["_auth_proxy"], "https://a.example") - self.assertEqual(request2.meta["proxy"], "https://a.example") + assert request2.headers["Proxy-Authorization"] == b"Basic YTo=" + assert request2.meta["_auth_proxy"] == "https://a.example" + assert request2.meta["proxy"] == "https://a.example" response2 = self.get_response(request2, "https://example.com") request3 = redirect_mw.process_response(request2, response2, spider) - self.assertIsInstance(request3, Request) - self.assertNotIn("Proxy-Authorization", request3.headers) - self.assertNotIn("_auth_proxy", request3.meta) - self.assertNotIn("proxy", request3.meta) + assert isinstance(request3, Request) + assert "Proxy-Authorization" not in request3.headers + assert "_auth_proxy" not in request3.meta + assert "proxy" not in request3.meta proxy_mw.process_request(request3, spider) - self.assertNotIn("Proxy-Authorization", request3.headers) - self.assertNotIn("_auth_proxy", request3.meta) - self.assertNotIn("proxy", request3.meta) + assert "Proxy-Authorization" not in request3.headers + assert "_auth_proxy" not in request3.meta + assert "proxy" not in request3.meta def test_system_proxy_unproxied_https_to_unproxied_http(self): crawler = get_crawler() @@ -988,44 +974,44 @@ class Base: spider = None proxy_mw.process_request(request1, spider) - self.assertNotIn("Proxy-Authorization", request1.headers) - self.assertNotIn("_auth_proxy", request1.meta) - self.assertNotIn("proxy", request1.meta) + assert "Proxy-Authorization" not in request1.headers + assert "_auth_proxy" not in request1.meta + assert "proxy" not in request1.meta response1 = self.get_response(request1, "http://example.com") request2 = redirect_mw.process_response(request1, response1, spider) - self.assertIsInstance(request2, Request) - self.assertNotIn("Proxy-Authorization", request2.headers) - self.assertNotIn("_auth_proxy", request2.meta) - self.assertNotIn("proxy", request2.meta) + assert isinstance(request2, Request) + assert "Proxy-Authorization" not in request2.headers + assert "_auth_proxy" not in request2.meta + assert "proxy" not in request2.meta proxy_mw.process_request(request2, spider) - self.assertNotIn("Proxy-Authorization", request2.headers) - self.assertNotIn("_auth_proxy", request2.meta) - self.assertNotIn("proxy", request2.meta) + assert "Proxy-Authorization" not in request2.headers + assert "_auth_proxy" not in request2.meta + assert "proxy" not in request2.meta response2 = self.get_response(request2, "https://example.com") request3 = redirect_mw.process_response(request2, response2, spider) - self.assertIsInstance(request3, Request) - self.assertNotIn("Proxy-Authorization", request3.headers) - self.assertNotIn("_auth_proxy", request3.meta) - self.assertNotIn("proxy", request3.meta) + assert isinstance(request3, Request) + assert "Proxy-Authorization" not in request3.headers + assert "_auth_proxy" not in request3.meta + assert "proxy" not in request3.meta proxy_mw.process_request(request3, spider) - self.assertNotIn("Proxy-Authorization", request3.headers) - self.assertNotIn("_auth_proxy", request3.meta) - self.assertNotIn("proxy", request3.meta) + assert "Proxy-Authorization" not in request3.headers + assert "_auth_proxy" not in request3.meta + assert "proxy" not in request3.meta -class RedirectMiddlewareTest(Base.Test): +class TestRedirectMiddleware(Base.Test): mwcls = RedirectMiddleware reason = 302 - def setUp(self): + def setup_method(self): self.crawler = get_crawler(Spider) self.spider = self.crawler._create_spider("foo") self.mw = self.mwcls.from_crawler(self.crawler) @@ -1043,8 +1029,8 @@ class RedirectMiddlewareTest(Base.Test): req2 = self.mw.process_response(req, rsp, self.spider) assert isinstance(req2, Request) - self.assertEqual(req2.url, url2) - self.assertEqual(req2.method, method) + assert req2.url == url2 + assert req2.method == method # response without Location header but with status code is 3XX should be ignored del rsp.headers["Location"] @@ -1070,8 +1056,8 @@ class RedirectMiddlewareTest(Base.Test): req2 = self.mw.process_response(req, rsp, self.spider) assert isinstance(req2, Request) - self.assertEqual(req2.url, url2) - self.assertEqual(req2.method, "HEAD") + assert req2.url == url2 + assert req2.method == "HEAD" def test_redirect_302_relative(self): url = "http://www.example.com/302" @@ -1082,8 +1068,8 @@ class RedirectMiddlewareTest(Base.Test): req2 = self.mw.process_response(req, rsp, self.spider) assert isinstance(req2, Request) - self.assertEqual(req2.url, url3) - self.assertEqual(req2.method, "HEAD") + assert req2.url == url3 + assert req2.method == "HEAD" def test_spider_handling(self): smartspider = self.crawler._create_spider("smarty") @@ -1093,7 +1079,7 @@ class RedirectMiddlewareTest(Base.Test): req = Request(url) rsp = Response(url, headers={"Location": url2}, status=301) r = self.mw.process_response(req, rsp, smartspider) - self.assertIs(r, rsp) + assert r is rsp def test_request_meta_handling(self): url = "http://www.example.com/301" @@ -1102,7 +1088,7 @@ class RedirectMiddlewareTest(Base.Test): def _test_passthrough(req): rsp = Response(url, headers={"Location": url2}, status=301, request=req) r = self.mw.process_response(req, rsp, self.spider) - self.assertIs(r, rsp) + assert r is rsp _test_passthrough( Request(url, meta={"handle_httpstatus_list": [404, 301, 302]}) @@ -1119,7 +1105,7 @@ class RedirectMiddlewareTest(Base.Test): ) req_result = self.mw.process_response(req, resp, self.spider) perc_encoded_utf8_url = "http://scrapytest.org/a%E7%E3o" - self.assertEqual(perc_encoded_utf8_url, req_result.url) + assert perc_encoded_utf8_url == req_result.url def test_utf8_location(self): req = Request("http://scrapytest.org/first") @@ -1131,7 +1117,7 @@ class RedirectMiddlewareTest(Base.Test): ) req_result = self.mw.process_response(req, resp, self.spider) perc_encoded_utf8_url = "http://scrapytest.org/a%C3%A7%C3%A3o" - self.assertEqual(perc_encoded_utf8_url, req_result.url) + assert perc_encoded_utf8_url == req_result.url def test_no_location(self): request = Request("https://example.com") @@ -1197,11 +1183,11 @@ def meta_refresh_body(url, interval=5): return html.encode("utf-8") -class MetaRefreshMiddlewareTest(Base.Test): +class TestMetaRefreshMiddleware(Base.Test): mwcls = MetaRefreshMiddleware reason = "meta refresh" - def setUp(self): + def setup_method(self): crawler = get_crawler(Spider) self.spider = crawler._create_spider("foo") self.mw = self.mwcls.from_crawler(crawler) @@ -1217,7 +1203,7 @@ class MetaRefreshMiddlewareTest(Base.Test): rsp = HtmlResponse(req.url, body=self._body()) req2 = self.mw.process_response(req, rsp, self.spider) assert isinstance(req2, Request) - self.assertEqual(req2.url, "http://example.org/newpage") + assert req2.url == "http://example.org/newpage" def test_meta_refresh_with_high_interval(self): # meta-refresh with high intervals don't trigger redirects @@ -1239,8 +1225,8 @@ class MetaRefreshMiddlewareTest(Base.Test): req2 = self.mw.process_response(req, rsp, self.spider) assert isinstance(req2, Request) - self.assertEqual(req2.url, "http://example.org/newpage") - self.assertEqual(req2.method, "GET") + assert req2.url == "http://example.org/newpage" + assert req2.method == "GET" assert "Content-Type" not in req2.headers, ( "Content-Type header must not be present in redirected request" ) diff --git a/tests/test_downloadermiddleware_retry.py b/tests/test_downloadermiddleware_retry.py index 36f48db69..ffdcdf49e 100644 --- a/tests/test_downloadermiddleware_retry.py +++ b/tests/test_downloadermiddleware_retry.py @@ -1,5 +1,4 @@ import logging -import unittest import pytest from testfixtures import LogCapture @@ -21,8 +20,8 @@ from scrapy.spiders import Spider from scrapy.utils.test import get_crawler -class RetryTest(unittest.TestCase): - def setUp(self): +class TestRetry: + def setup_method(self): self.crawler = get_crawler(Spider) self.spider = self.crawler._create_spider("foo") self.mw = RetryMiddleware.from_crawler(self.crawler) @@ -70,12 +69,12 @@ class RetryTest(unittest.TestCase): # first retry req = self.mw.process_response(req, rsp, self.spider) assert isinstance(req, Request) - self.assertEqual(req.meta["retry_times"], 1) + assert req.meta["retry_times"] == 1 # second retry req = self.mw.process_response(req, rsp, self.spider) assert isinstance(req, Request) - self.assertEqual(req.meta["retry_times"], 2) + assert req.meta["retry_times"] == 2 # discard it assert self.mw.process_response(req, rsp, self.spider) is rsp @@ -129,19 +128,19 @@ class RetryTest(unittest.TestCase): # first retry req = mw.process_exception(req, exception, self.spider) assert isinstance(req, Request) - self.assertEqual(req.meta["retry_times"], 1) + assert req.meta["retry_times"] == 1 # second retry req = mw.process_exception(req, exception, self.spider) assert isinstance(req, Request) - self.assertEqual(req.meta["retry_times"], 2) + assert req.meta["retry_times"] == 2 # discard it req = mw.process_exception(req, exception, self.spider) - self.assertEqual(req, None) + assert req is None -class MaxRetryTimesTest(unittest.TestCase): +class TestMaxRetryTimes: invalid_url = "http://www.scrapytest.org/invalid_url" def get_spider_and_middleware(self, settings=None): @@ -272,10 +271,10 @@ class MaxRetryTimesTest(unittest.TestCase): # discard it req = middleware.process_exception(req, exception, spider) - self.assertEqual(req, None) + assert req is None -class GetRetryRequestTest(unittest.TestCase): +class TestGetRetryRequest: def get_spider(self, settings=None): crawler = get_crawler(Spider, settings or {}) return crawler._create_spider("foo") @@ -288,15 +287,15 @@ class GetRetryRequestTest(unittest.TestCase): request, spider=spider, ) - self.assertIsInstance(new_request, Request) - self.assertNotEqual(new_request, request) - self.assertEqual(new_request.dont_filter, True) + assert isinstance(new_request, Request) + assert new_request != request + assert new_request.dont_filter expected_retry_times = 1 - self.assertEqual(new_request.meta["retry_times"], expected_retry_times) - self.assertEqual(new_request.priority, -1) + assert new_request.meta["retry_times"] == expected_retry_times + assert new_request.priority == -1 expected_reason = "unspecified" for stat in ("retry/count", f"retry/reason_count/{expected_reason}"): - self.assertEqual(spider.crawler.stats.get_value(stat), 1) + assert spider.crawler.stats.get_value(stat) == 1 log.check_present( ( "scrapy.downloadermiddlewares.retry", @@ -316,8 +315,8 @@ class GetRetryRequestTest(unittest.TestCase): spider=spider, max_retry_times=max_retry_times, ) - self.assertEqual(new_request, None) - self.assertEqual(spider.crawler.stats.get_value("retry/max_reached"), 1) + assert new_request is None + assert spider.crawler.stats.get_value("retry/max_reached") == 1 failure_count = max_retry_times + 1 expected_reason = "unspecified" log.check_present( @@ -338,15 +337,15 @@ class GetRetryRequestTest(unittest.TestCase): spider=spider, max_retry_times=1, ) - self.assertIsInstance(new_request, Request) - self.assertNotEqual(new_request, request) - self.assertEqual(new_request.dont_filter, True) + assert isinstance(new_request, Request) + assert new_request != request + assert new_request.dont_filter expected_retry_times = 1 - self.assertEqual(new_request.meta["retry_times"], expected_retry_times) - self.assertEqual(new_request.priority, -1) + assert new_request.meta["retry_times"] == expected_retry_times + assert new_request.priority == -1 expected_reason = "unspecified" for stat in ("retry/count", f"retry/reason_count/{expected_reason}"): - self.assertEqual(spider.crawler.stats.get_value(stat), 1) + assert spider.crawler.stats.get_value(stat) == 1 log.check_present( ( "scrapy.downloadermiddlewares.retry", @@ -368,16 +367,16 @@ class GetRetryRequestTest(unittest.TestCase): spider=spider, max_retry_times=max_retry_times, ) - self.assertIsInstance(new_request, Request) - self.assertNotEqual(new_request, request) - self.assertEqual(new_request.dont_filter, True) + assert isinstance(new_request, Request) + assert new_request != request + assert new_request.dont_filter expected_retry_times = index + 1 - self.assertEqual(new_request.meta["retry_times"], expected_retry_times) - self.assertEqual(new_request.priority, -expected_retry_times) + assert new_request.meta["retry_times"] == expected_retry_times + assert new_request.priority == -expected_retry_times expected_reason = "unspecified" for stat in ("retry/count", f"retry/reason_count/{expected_reason}"): value = spider.crawler.stats.get_value(stat) - self.assertEqual(value, expected_retry_times) + assert value == expected_retry_times log.check_present( ( "scrapy.downloadermiddlewares.retry", @@ -393,8 +392,8 @@ class GetRetryRequestTest(unittest.TestCase): spider=spider, max_retry_times=max_retry_times, ) - self.assertEqual(new_request, None) - self.assertEqual(spider.crawler.stats.get_value("retry/max_reached"), 1) + assert new_request is None + assert spider.crawler.stats.get_value("retry/max_reached") == 1 failure_count = max_retry_times + 1 expected_reason = "unspecified" log.check_present( @@ -419,7 +418,7 @@ class GetRetryRequestTest(unittest.TestCase): request, spider=spider, ) - self.assertEqual(new_request, None) + assert new_request is None def test_max_retry_times_meta(self): max_retry_times = 0 @@ -430,7 +429,7 @@ class GetRetryRequestTest(unittest.TestCase): request, spider=spider, ) - self.assertEqual(new_request, None) + assert new_request is None def test_max_retry_times_argument(self): max_retry_times = 0 @@ -442,7 +441,7 @@ class GetRetryRequestTest(unittest.TestCase): spider=spider, max_retry_times=max_retry_times, ) - self.assertEqual(new_request, None) + assert new_request is None def test_priority_adjust_setting(self): priority_adjust = 1 @@ -452,7 +451,7 @@ class GetRetryRequestTest(unittest.TestCase): request, spider=spider, ) - self.assertEqual(new_request.priority, priority_adjust) + assert new_request.priority == priority_adjust def test_priority_adjust_argument(self): priority_adjust = 1 @@ -463,7 +462,7 @@ class GetRetryRequestTest(unittest.TestCase): spider=spider, priority_adjust=priority_adjust, ) - self.assertEqual(new_request.priority, priority_adjust) + assert new_request.priority == priority_adjust def test_log_extra_retry_success(self): request = Request("https://example.com") @@ -498,7 +497,7 @@ class GetRetryRequestTest(unittest.TestCase): ) expected_retry_times = 1 for stat in ("retry/count", f"retry/reason_count/{expected_reason}"): - self.assertEqual(spider.crawler.stats.get_value(stat), 1) + assert spider.crawler.stats.get_value(stat) == 1 log.check_present( ( "scrapy.downloadermiddlewares.retry", @@ -523,7 +522,7 @@ class GetRetryRequestTest(unittest.TestCase): stat = spider.crawler.stats.get_value( f"retry/reason_count/{expected_reason_string}" ) - self.assertEqual(stat, 1) + assert stat == 1 log.check_present( ( "scrapy.downloadermiddlewares.retry", @@ -548,7 +547,7 @@ class GetRetryRequestTest(unittest.TestCase): stat = spider.crawler.stats.get_value( f"retry/reason_count/{expected_reason_string}" ) - self.assertEqual(stat, 1) + assert stat == 1 log.check_present( ( "scrapy.downloadermiddlewares.retry", @@ -573,7 +572,7 @@ class GetRetryRequestTest(unittest.TestCase): stat = spider.crawler.stats.get_value( f"retry/reason_count/{expected_reason_string}" ) - self.assertEqual(stat, 1) + assert stat == 1 log.check_present( ( "scrapy.downloadermiddlewares.retry", @@ -598,7 +597,7 @@ class GetRetryRequestTest(unittest.TestCase): stat = spider.crawler.stats.get_value( f"retry/reason_count/{expected_reason_string}" ) - self.assertEqual(stat, 1) + assert stat == 1 log.check_present( ( "scrapy.downloadermiddlewares.retry", @@ -643,4 +642,4 @@ class GetRetryRequestTest(unittest.TestCase): f"{stats_key}/count", f"{stats_key}/reason_count/{expected_reason}", ): - self.assertEqual(spider.crawler.stats.get_value(stat), 1) + assert spider.crawler.stats.get_value(stat) == 1 diff --git a/tests/test_downloadermiddleware_robotstxt.py b/tests/test_downloadermiddleware_robotstxt.py index 9b95400fd..38f0333bb 100644 --- a/tests/test_downloadermiddleware_robotstxt.py +++ b/tests/test_downloadermiddleware_robotstxt.py @@ -15,7 +15,7 @@ from scrapy.settings import Settings from tests.test_robotstxt_interface import rerp_available -class RobotsTxtMiddlewareTest(unittest.TestCase): +class TestRobotsTxtMiddleware(unittest.TestCase): def setUp(self): self.crawler = mock.MagicMock() self.crawler.settings = Settings() @@ -242,11 +242,11 @@ Disallow: /some/randome/page.html def assertRobotsTxtRequested(self, base_url): calls = self.crawler.engine.download.call_args_list request = calls[0][0][0] - self.assertEqual(request.url, f"{base_url}/robots.txt") - self.assertEqual(request.callback, NO_CALLBACK) + assert request.url == f"{base_url}/robots.txt" + assert request.callback == NO_CALLBACK -class RobotsTxtMiddlewareWithRerpTest(RobotsTxtMiddlewareTest): +class TestRobotsTxtMiddlewareWithRerp(TestRobotsTxtMiddleware): if not rerp_available(): skip = "Rerp parser is not installed" diff --git a/tests/test_downloadermiddleware_stats.py b/tests/test_downloadermiddleware_stats.py index 5b7181848..748ef7d76 100644 --- a/tests/test_downloadermiddleware_stats.py +++ b/tests/test_downloadermiddleware_stats.py @@ -1,5 +1,3 @@ -from unittest import TestCase - from scrapy.downloadermiddlewares.stats import DownloaderStats from scrapy.http import Request, Response from scrapy.spiders import Spider @@ -10,8 +8,8 @@ class MyException(Exception): pass -class TestDownloaderStats(TestCase): - def setUp(self): +class TestDownloaderStats: + def setup_method(self): self.crawler = get_crawler(Spider) self.spider = self.crawler._create_spider("scrapytest.org") self.mw = DownloaderStats(self.crawler.stats) @@ -22,10 +20,8 @@ class TestDownloaderStats(TestCase): self.res = Response("scrapytest.org", status=400) def assertStatsEqual(self, key, value): - self.assertEqual( - self.crawler.stats.get_value(key, spider=self.spider), - value, - str(self.crawler.stats.get_stats(self.spider)), + assert self.crawler.stats.get_value(key, spider=self.spider) == value, str( + self.crawler.stats.get_stats(self.spider) ) def test_process_request(self): @@ -44,5 +40,5 @@ class TestDownloaderStats(TestCase): 1, ) - def tearDown(self): + def teardown_method(self): self.crawler.stats.close_spider(self.spider, "") diff --git a/tests/test_downloadermiddleware_useragent.py b/tests/test_downloadermiddleware_useragent.py index cad3dea5c..1497f8c67 100644 --- a/tests/test_downloadermiddleware_useragent.py +++ b/tests/test_downloadermiddleware_useragent.py @@ -1,12 +1,10 @@ -from unittest import TestCase - from scrapy.downloadermiddlewares.useragent import UserAgentMiddleware from scrapy.http import Request from scrapy.spiders import Spider from scrapy.utils.test import get_crawler -class UserAgentMiddlewareTest(TestCase): +class TestUserAgentMiddleware: def get_spider_and_mw(self, default_useragent): crawler = get_crawler(Spider, {"USER_AGENT": default_useragent}) spider = crawler._create_spider("foo") @@ -16,7 +14,7 @@ class UserAgentMiddlewareTest(TestCase): spider, mw = self.get_spider_and_mw("default_useragent") req = Request("http://scrapytest.org/") assert mw.process_request(req, spider) is None - self.assertEqual(req.headers["User-Agent"], b"default_useragent") + assert req.headers["User-Agent"] == b"default_useragent" def test_remove_agent(self): # settings USER_AGENT to None should remove the user agent @@ -33,7 +31,7 @@ class UserAgentMiddlewareTest(TestCase): mw.spider_opened(spider) req = Request("http://scrapytest.org/") assert mw.process_request(req, spider) is None - self.assertEqual(req.headers["User-Agent"], b"spider_useragent") + assert req.headers["User-Agent"] == b"spider_useragent" def test_header_agent(self): spider, mw = self.get_spider_and_mw("default_useragent") @@ -43,7 +41,7 @@ class UserAgentMiddlewareTest(TestCase): "http://scrapytest.org/", headers={"User-Agent": "header_useragent"} ) assert mw.process_request(req, spider) is None - self.assertEqual(req.headers["User-Agent"], b"header_useragent") + assert req.headers["User-Agent"] == b"header_useragent" def test_no_agent(self): spider, mw = self.get_spider_and_mw(None) From 5a605969bdc102e0193ad15ccc571dc6164e5d26 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 6 Mar 2025 23:52:41 +0400 Subject: [PATCH 411/786] Converting tests to plain asserts, part 2. (#6699) --- tests/test_addons.py | 48 +-- tests/test_closespider.py | 28 +- tests/test_cmdline/__init__.py | 30 +- .../__init__.py | 7 +- tests/test_command_check.py | 14 +- tests/test_command_fetch.py | 10 +- tests/test_command_parse.py | 81 ++-- tests/test_command_shell.py | 28 +- tests/test_command_version.py | 36 +- tests/test_commands.py | 371 +++++++++--------- tests/test_contracts.py | 112 +++--- tests/test_core_downloader.py | 25 +- tests/test_crawl.py | 288 +++++++------- tests/test_crawler.py | 351 +++++++++-------- tests/test_dependencies.py | 7 +- tests/test_downloaderslotssettings.py | 2 +- tests/test_dupefilters.py | 21 +- tests/test_engine.py | 137 ++++--- tests/test_engine_stop_download_bytes.py | 13 +- tests/test_engine_stop_download_headers.py | 12 +- tests/test_webclient.py | 40 +- 21 files changed, 796 insertions(+), 865 deletions(-) diff --git a/tests/test_addons.py b/tests/test_addons.py index a0caa3511..686bf9952 100644 --- a/tests/test_addons.py +++ b/tests/test_addons.py @@ -39,7 +39,7 @@ class CreateInstanceAddon: settings.update(self.config, "addon") -class AddonTest(unittest.TestCase): +class TestAddon: def test_update_settings(self): settings = BaseSettings() settings.set("KEY1", "default", priority="default") @@ -47,19 +47,19 @@ class AddonTest(unittest.TestCase): addon_config = {"KEY1": "addon", "KEY2": "addon", "KEY3": "addon"} testaddon = get_addon_cls(addon_config)() testaddon.update_settings(settings) - self.assertEqual(settings["KEY1"], "addon") - self.assertEqual(settings["KEY2"], "project") - self.assertEqual(settings["KEY3"], "addon") + assert settings["KEY1"] == "addon" + assert settings["KEY2"] == "project" + assert settings["KEY3"] == "addon" -class AddonManagerTest(unittest.TestCase): +class TestAddonManager(unittest.TestCase): def test_load_settings(self): settings_dict = { "ADDONS": {"tests.test_addons.SimpleAddon": 0}, } crawler = get_crawler(settings_dict=settings_dict) manager = crawler.addons - self.assertIsInstance(manager.addons[0], SimpleAddon) + assert isinstance(manager.addons[0], SimpleAddon) def test_notconfigured(self): class NotConfiguredAddon: @@ -71,7 +71,7 @@ class AddonManagerTest(unittest.TestCase): } crawler = get_crawler(settings_dict=settings_dict) manager = crawler.addons - self.assertFalse(manager.addons) + assert not manager.addons def test_load_settings_order(self): # Get three addons with different settings @@ -86,8 +86,8 @@ class AddonManagerTest(unittest.TestCase): settings = {"ADDONS": {a: i for i, a in enumerate(ordered_addons)}} crawler = get_crawler(settings_dict=settings) manager = crawler.addons - self.assertEqual([a.number for a in manager.addons], expected_order) - self.assertEqual(crawler.settings.getint("KEY1"), expected_order[-1]) + assert [a.number for a in manager.addons] == expected_order + assert crawler.settings.getint("KEY1") == expected_order[-1] def test_build_from_crawler(self): settings_dict = { @@ -96,8 +96,8 @@ class AddonManagerTest(unittest.TestCase): } crawler = get_crawler(settings_dict=settings_dict) manager = crawler.addons - self.assertIsInstance(manager.addons[0], CreateInstanceAddon) - self.assertEqual(crawler.settings.get("MYADDON_KEY"), "val") + assert isinstance(manager.addons[0], CreateInstanceAddon) + assert crawler.settings.get("MYADDON_KEY") == "val" def test_settings_priority(self): config = { @@ -107,14 +107,14 @@ class AddonManagerTest(unittest.TestCase): "ADDONS": {get_addon_cls(config): 1}, } crawler = get_crawler(settings_dict=settings_dict) - self.assertEqual(crawler.settings.getint("KEY"), 15) + assert crawler.settings.getint("KEY") == 15 settings = Settings(settings_dict) settings.set("KEY", 0, priority="default") runner = CrawlerRunner(settings) crawler = runner.create_crawler(Spider) crawler._apply_settings() - self.assertEqual(crawler.settings.getint("KEY"), 15) + assert crawler.settings.getint("KEY") == 15 settings_dict = { "KEY": 20, # priority=project @@ -124,7 +124,7 @@ class AddonManagerTest(unittest.TestCase): settings.set("KEY", 0, priority="default") runner = CrawlerRunner(settings) crawler = runner.create_crawler(Spider) - self.assertEqual(crawler.settings.getint("KEY"), 20) + assert crawler.settings.getint("KEY") == 20 def test_fallback_workflow(self): FALLBACK_SETTING = "MY_FALLBACK_DOWNLOAD_HANDLER" @@ -143,12 +143,12 @@ class AddonManagerTest(unittest.TestCase): "ADDONS": {AddonWithFallback: 1}, } crawler = get_crawler(settings_dict=settings_dict) - self.assertEqual( - crawler.settings.getwithbase("DOWNLOAD_HANDLERS")["https"], "AddonHandler" + assert ( + crawler.settings.getwithbase("DOWNLOAD_HANDLERS")["https"] == "AddonHandler" ) - self.assertEqual( - crawler.settings.get(FALLBACK_SETTING), - "scrapy.core.downloader.handlers.http.HTTPDownloadHandler", + assert ( + crawler.settings.get(FALLBACK_SETTING) + == "scrapy.core.downloader.handlers.http.HTTPDownloadHandler" ) settings_dict = { @@ -156,10 +156,10 @@ class AddonManagerTest(unittest.TestCase): "DOWNLOAD_HANDLERS": {"https": "UserHandler"}, } crawler = get_crawler(settings_dict=settings_dict) - self.assertEqual( - crawler.settings.getwithbase("DOWNLOAD_HANDLERS")["https"], "AddonHandler" + assert ( + crawler.settings.getwithbase("DOWNLOAD_HANDLERS")["https"] == "AddonHandler" ) - self.assertEqual(crawler.settings.get(FALLBACK_SETTING), "UserHandler") + assert crawler.settings.get(FALLBACK_SETTING) == "UserHandler" def test_logging_message(self): class LoggedAddon: @@ -199,6 +199,6 @@ class AddonManagerTest(unittest.TestCase): settings.set("KEY", "default", priority="default") runner = CrawlerRunner(settings) crawler = runner.create_crawler(MySpider) - self.assertEqual(crawler.settings.get("KEY"), "default") + assert crawler.settings.get("KEY") == "default" yield crawler.crawl() - self.assertEqual(crawler.settings.get("KEY"), "addon") + assert crawler.settings.get("KEY") == "addon" diff --git a/tests/test_closespider.py b/tests/test_closespider.py index ecde301d1..476662789 100644 --- a/tests/test_closespider.py +++ b/tests/test_closespider.py @@ -28,9 +28,9 @@ class TestCloseSpider(TestCase): crawler = get_crawler(ItemSpider, {"CLOSESPIDER_ITEMCOUNT": close_on}) yield crawler.crawl(mockserver=self.mockserver) reason = crawler.spider.meta["close_reason"] - self.assertEqual(reason, "closespider_itemcount") + assert reason == "closespider_itemcount" itemcount = crawler.stats.get_value("item_scraped_count") - self.assertTrue(itemcount >= close_on) + assert itemcount >= close_on @defer.inlineCallbacks def test_closespider_pagecount(self): @@ -38,9 +38,9 @@ class TestCloseSpider(TestCase): crawler = get_crawler(FollowAllSpider, {"CLOSESPIDER_PAGECOUNT": close_on}) yield crawler.crawl(mockserver=self.mockserver) reason = crawler.spider.meta["close_reason"] - self.assertEqual(reason, "closespider_pagecount") + assert reason == "closespider_pagecount" pagecount = crawler.stats.get_value("response_received_count") - self.assertTrue(pagecount >= close_on) + assert pagecount >= close_on @defer.inlineCallbacks def test_closespider_pagecount_no_item(self): @@ -57,10 +57,10 @@ class TestCloseSpider(TestCase): max_items=max_items, max_requests=max_requests, mockserver=self.mockserver ) reason = crawler.spider.meta["close_reason"] - self.assertEqual(reason, "closespider_pagecount_no_item") + assert reason == "closespider_pagecount_no_item" pagecount = crawler.stats.get_value("response_received_count") itemcount = crawler.stats.get_value("item_scraped_count") - self.assertLessEqual(pagecount, close_on + itemcount) + assert pagecount <= close_on + itemcount @defer.inlineCallbacks def test_closespider_pagecount_no_item_with_pagecount(self): @@ -75,9 +75,9 @@ class TestCloseSpider(TestCase): ) yield crawler.crawl(mockserver=self.mockserver) reason = crawler.spider.meta["close_reason"] - self.assertEqual(reason, "closespider_pagecount_no_item") + assert reason == "closespider_pagecount_no_item" pagecount = crawler.stats.get_value("response_received_count") - self.assertLess(pagecount, close_on_pagecount) + assert pagecount < close_on_pagecount @defer.inlineCallbacks def test_closespider_errorcount(self): @@ -85,10 +85,10 @@ class TestCloseSpider(TestCase): crawler = get_crawler(ErrorSpider, {"CLOSESPIDER_ERRORCOUNT": close_on}) yield crawler.crawl(total=1000000, mockserver=self.mockserver) reason = crawler.spider.meta["close_reason"] - self.assertEqual(reason, "closespider_errorcount") + assert reason == "closespider_errorcount" key = f"spider_exceptions/{crawler.spider.exception_cls.__name__}" errorcount = crawler.stats.get_value(key) - self.assertTrue(errorcount >= close_on) + assert errorcount >= close_on @defer.inlineCallbacks def test_closespider_timeout(self): @@ -96,9 +96,9 @@ class TestCloseSpider(TestCase): crawler = get_crawler(FollowAllSpider, {"CLOSESPIDER_TIMEOUT": close_on}) yield crawler.crawl(total=1000000, mockserver=self.mockserver) reason = crawler.spider.meta["close_reason"] - self.assertEqual(reason, "closespider_timeout") + assert reason == "closespider_timeout" total_seconds = crawler.stats.get_value("elapsed_time_seconds") - self.assertTrue(total_seconds >= close_on) + assert total_seconds >= close_on @defer.inlineCallbacks def test_closespider_timeout_no_item(self): @@ -106,6 +106,6 @@ class TestCloseSpider(TestCase): crawler = get_crawler(SlowSpider, {"CLOSESPIDER_TIMEOUT_NO_ITEM": timeout}) yield crawler.crawl(n=3, mockserver=self.mockserver) reason = crawler.spider.meta["close_reason"] - self.assertEqual(reason, "closespider_timeout_no_item") + assert reason == "closespider_timeout_no_item" total_seconds = crawler.stats.get_value("elapsed_time_seconds") - self.assertTrue(total_seconds >= timeout) + assert total_seconds >= timeout diff --git a/tests/test_cmdline/__init__.py b/tests/test_cmdline/__init__.py index acd524ea4..98a85bc17 100644 --- a/tests/test_cmdline/__init__.py +++ b/tests/test_cmdline/__init__.py @@ -4,7 +4,6 @@ import pstats import shutil import sys import tempfile -import unittest from io import StringIO from pathlib import Path from subprocess import PIPE, Popen @@ -12,8 +11,8 @@ from subprocess import PIPE, Popen from scrapy.utils.test import get_testenv -class CmdlineTest(unittest.TestCase): - def setUp(self): +class TestCmdline: + def setup_method(self): self.env = get_testenv() tests_path = Path(__file__).parent.parent self.env["PYTHONPATH"] += os.pathsep + str(tests_path.parent) @@ -27,12 +26,12 @@ class CmdlineTest(unittest.TestCase): return comm.decode(encoding) def test_default_settings(self): - self.assertEqual(self._execute("settings", "--get", "TEST1"), "default") + assert self._execute("settings", "--get", "TEST1") == "default" def test_override_settings_using_set_arg(self): - self.assertEqual( - self._execute("settings", "--get", "TEST1", "-s", "TEST1=override"), - "override", + assert ( + self._execute("settings", "--get", "TEST1", "-s", "TEST1=override") + == "override" ) def test_profiling(self): @@ -40,14 +39,14 @@ class CmdlineTest(unittest.TestCase): filename = path / "res.prof" try: self._execute("version", "--profile", str(filename)) - self.assertTrue(filename.exists()) + assert filename.exists() out = StringIO() stats = pstats.Stats(str(filename), stream=out) stats.print_stats() out.seek(0) stats = out.read() - self.assertIn(str(Path("scrapy", "commands", "version.py")), stats) - self.assertIn("tottime", stats) + assert str(Path("scrapy", "commands", "version.py")) in stats + assert "tottime" in stats finally: shutil.rmtree(path) @@ -62,15 +61,14 @@ class CmdlineTest(unittest.TestCase): "EXTENSIONS=" + json.dumps(EXTENSIONS), ) # XXX: There's gotta be a smarter way to do this... - self.assertNotIn("...", settingsstr) + assert "..." not in settingsstr for char in ("'", "<", ">"): settingsstr = settingsstr.replace(char, '"') settingsdict = json.loads(settingsstr) - self.assertCountEqual(settingsdict.keys(), EXTENSIONS.keys()) - self.assertEqual(200, settingsdict[EXT_PATH]) + assert set(settingsdict.keys()) == set(EXTENSIONS.keys()) + assert settingsdict[EXT_PATH] == 200 def test_pathlib_path_as_feeds_key(self): - self.assertEqual( - self._execute("settings", "--get", "FEEDS"), - json.dumps({"items.csv": {"format": "csv", "fields": ["price", "name"]}}), + assert self._execute("settings", "--get", "FEEDS") == json.dumps( + {"items.csv": {"format": "csv", "fields": ["price", "name"]}} ) diff --git a/tests/test_cmdline_crawl_with_pipeline/__init__.py b/tests/test_cmdline_crawl_with_pipeline/__init__.py index 5cb09b5c0..5228f6abd 100644 --- a/tests/test_cmdline_crawl_with_pipeline/__init__.py +++ b/tests/test_cmdline_crawl_with_pipeline/__init__.py @@ -1,10 +1,9 @@ import sys -import unittest from pathlib import Path from subprocess import PIPE, Popen -class CmdlineCrawlPipelineTest(unittest.TestCase): +class TestCmdlineCrawlPipeline: def _execute(self, spname): args = (sys.executable, "-m", "scrapy.cmdline", "crawl", spname) cwd = Path(__file__).resolve().parent @@ -13,7 +12,7 @@ class CmdlineCrawlPipelineTest(unittest.TestCase): return proc.returncode def test_open_spider_normally_in_pipeline(self): - self.assertEqual(self._execute("normal"), 0) + assert self._execute("normal") == 0 def test_exception_at_open_spider_in_pipeline(self): - self.assertEqual(self._execute("exception"), 1) + assert self._execute("exception") == 1 diff --git a/tests/test_command_check.py b/tests/test_command_check.py index b0f1cd38a..975f31dfe 100644 --- a/tests/test_command_check.py +++ b/tests/test_command_check.py @@ -3,10 +3,10 @@ from io import StringIO from unittest.mock import Mock, PropertyMock, call, patch from scrapy.commands.check import Command, TextTestResult -from tests.test_commands import CommandTest +from tests.test_commands import TestCommandBase -class CheckCommandTest(CommandTest): +class TestCheckCommand(TestCommandBase): command = "check" def setUp(self): @@ -36,9 +36,9 @@ class CheckSpider(scrapy.Spider): def _test_contract(self, contracts="", parse_def="pass"): self._write_contract(contracts, parse_def) p, out, err = self.proc("check") - self.assertNotIn("F", out) - self.assertIn("OK", err) - self.assertEqual(p.returncode, 0) + assert "F" not in out + assert "OK" in err + assert p.returncode == 0 def test_check_returns_requests_contract(self): contracts = """ @@ -171,9 +171,7 @@ class CheckSpider(scrapy.Spider): cmd.run([spider_name], Mock(list=True)) - self.assertEqual( - "FakeSpider\n * fakeMethod1\n * fakeMethod2\n", output.getvalue() - ) + assert output.getvalue() == "FakeSpider\n * fakeMethod1\n * fakeMethod2\n" sys.stdout = sys.__stdout__ @patch("scrapy.commands.check.ContractsManager") diff --git a/tests/test_command_fetch.py b/tests/test_command_fetch.py index a4d7fdd30..a31cada85 100644 --- a/tests/test_command_fetch.py +++ b/tests/test_command_fetch.py @@ -5,18 +5,18 @@ from tests.utils.testproc import ProcessTest from tests.utils.testsite import SiteTest -class FetchTest(ProcessTest, SiteTest, unittest.TestCase): +class TestFetchCommand(ProcessTest, SiteTest, unittest.TestCase): command = "fetch" @defer.inlineCallbacks def test_output(self): _, out, _ = yield self.execute([self.url("/text")]) - self.assertEqual(out.strip(), b"Works") + assert out.strip() == b"Works" @defer.inlineCallbacks def test_redirect_default(self): _, out, _ = yield self.execute([self.url("/redirect")]) - self.assertEqual(out.strip(), b"Redirected here") + assert out.strip() == b"Redirected here" @defer.inlineCallbacks def test_redirect_disabled(self): @@ -24,8 +24,8 @@ class FetchTest(ProcessTest, SiteTest, unittest.TestCase): ["--no-redirect", self.url("/redirect-no-meta-refresh")] ) err = err.strip() - self.assertIn(b"downloader/response_status_count/302", err, err) - self.assertNotIn(b"downloader/response_status_count/200", err, err) + assert b"downloader/response_status_count/302" in err, err + assert b"downloader/response_status_count/200" not in err, err @defer.inlineCallbacks def test_headers(self): diff --git a/tests/test_command_parse.py b/tests/test_command_parse.py index 9f2c7fa13..9e66d319c 100644 --- a/tests/test_command_parse.py +++ b/tests/test_command_parse.py @@ -1,5 +1,6 @@ import argparse import os +import re from pathlib import Path from twisted.internet import defer @@ -7,18 +8,18 @@ from twisted.internet import defer from scrapy.commands import parse from scrapy.settings import Settings from scrapy.utils.python import to_unicode -from tests.test_commands import CommandTest +from tests.test_commands import TestCommandBase from tests.utils.testproc import ProcessTest from tests.utils.testsite import SiteTest -def _textmode(bstr): +def _textmode(bstr: bytes) -> str: """Normalize input the same as writing to a file and reading from it in text mode""" return to_unicode(bstr).replace(os.linesep, "\n") -class ParseCommandTest(ProcessTest, SiteTest, CommandTest): +class TestParseCommand(ProcessTest, SiteTest, TestCommandBase): command = "parse" def setUp(self): @@ -184,7 +185,7 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} self.url("/html"), ] ) - self.assertIn("DEBUG: It Works!", _textmode(stderr)) + assert "DEBUG: It Works!" in _textmode(stderr) @defer.inlineCallbacks def test_request_with_meta(self): @@ -201,7 +202,7 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} self.url("/html"), ] ) - self.assertIn("DEBUG: It Works!", _textmode(stderr)) + assert "DEBUG: It Works!" in _textmode(stderr) _, _, stderr = yield self.execute( [ @@ -215,7 +216,7 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} self.url("/html"), ] ) - self.assertIn("DEBUG: It Works!", _textmode(stderr)) + assert "DEBUG: It Works!" in _textmode(stderr) @defer.inlineCallbacks def test_request_with_cb_kwargs(self): @@ -233,9 +234,9 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} ] ) log = _textmode(stderr) - self.assertIn("DEBUG: It Works!", log) - self.assertIn( - "DEBUG: request.callback signature: (response, foo=None, key=None)", log + assert "DEBUG: It Works!" in log + assert ( + "DEBUG: request.callback signature: (response, foo=None, key=None)" in log ) @defer.inlineCallbacks @@ -250,7 +251,7 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} self.url("/html"), ] ) - self.assertIn("DEBUG: It Works!", _textmode(stderr)) + assert "DEBUG: It Works!" in _textmode(stderr) @defer.inlineCallbacks def test_pipelines(self): @@ -265,7 +266,7 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} self.url("/html"), ] ) - self.assertIn("INFO: It Works!", _textmode(stderr)) + assert "INFO: It Works!" in _textmode(stderr) @defer.inlineCallbacks def test_async_def_asyncio_parse_items_list(self): @@ -278,9 +279,9 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} self.url("/html"), ] ) - self.assertIn("INFO: Got response 200", _textmode(stderr)) - self.assertIn("{'id': 1}", _textmode(out)) - self.assertIn("{'id': 2}", _textmode(out)) + assert "INFO: Got response 200" in _textmode(stderr) + assert "{'id': 1}" in _textmode(out) + assert "{'id': 2}" in _textmode(out) @defer.inlineCallbacks def test_async_def_asyncio_parse_items_single_element(self): @@ -293,8 +294,8 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} self.url("/html"), ] ) - self.assertIn("INFO: Got response 200", _textmode(stderr)) - self.assertIn("{'foo': 42}", _textmode(out)) + assert "INFO: Got response 200" in _textmode(stderr) + assert "{'foo': 42}" in _textmode(out) @defer.inlineCallbacks def test_async_def_asyncgen_parse_loop(self): @@ -307,9 +308,9 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} self.url("/html"), ] ) - self.assertIn("INFO: Got response 200", _textmode(stderr)) + assert "INFO: Got response 200" in _textmode(stderr) for i in range(10): - self.assertIn(f"{{'foo': {i}}}", _textmode(out)) + assert f"{{'foo': {i}}}" in _textmode(out) @defer.inlineCallbacks def test_async_def_asyncgen_parse_exc(self): @@ -322,9 +323,9 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} self.url("/html"), ] ) - self.assertIn("ValueError", _textmode(stderr)) + assert "ValueError" in _textmode(stderr) for i in range(7): - self.assertIn(f"{{'foo': {i}}}", _textmode(out)) + assert f"{{'foo': {i}}}" in _textmode(out) @defer.inlineCallbacks def test_async_def_asyncio_parse(self): @@ -337,29 +338,29 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} self.url("/html"), ] ) - self.assertIn("DEBUG: Got response 200", _textmode(stderr)) + assert "DEBUG: Got response 200" in _textmode(stderr) @defer.inlineCallbacks def test_parse_items(self): status, out, stderr = yield self.execute( ["--spider", self.spider_name, "-c", "parse", self.url("/html")] ) - self.assertIn("""[{}, {'foo': 'bar'}]""", _textmode(out)) + assert "[{}, {'foo': 'bar'}]" in _textmode(out) @defer.inlineCallbacks def test_parse_items_no_callback_passed(self): status, out, stderr = yield self.execute( ["--spider", self.spider_name, self.url("/html")] ) - self.assertIn("""[{}, {'foo': 'bar'}]""", _textmode(out)) + assert "[{}, {'foo': 'bar'}]" in _textmode(out) @defer.inlineCallbacks def test_wrong_callback_passed(self): status, out, stderr = yield self.execute( ["--spider", self.spider_name, "-c", "dummy", self.url("/html")] ) - self.assertRegex(_textmode(out), r"""# Scraped Items -+\n\[\]""") - self.assertIn("""Cannot find callback""", _textmode(stderr)) + assert re.search(r"# Scraped Items -+\n\[\]", _textmode(out)) + assert "Cannot find callback" in _textmode(stderr) @defer.inlineCallbacks def test_crawlspider_matching_rule_callback_set(self): @@ -367,7 +368,7 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} status, out, stderr = yield self.execute( ["--spider", "goodcrawl" + self.spider_name, "-r", self.url("/html")] ) - self.assertIn("""[{}, {'foo': 'bar'}]""", _textmode(out)) + assert "[{}, {'foo': 'bar'}]" in _textmode(out) @defer.inlineCallbacks def test_crawlspider_matching_rule_default_callback(self): @@ -375,7 +376,7 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} status, out, stderr = yield self.execute( ["--spider", "goodcrawl" + self.spider_name, "-r", self.url("/text")] ) - self.assertIn("""[{}, {'nomatch': 'default'}]""", _textmode(out)) + assert "[{}, {'nomatch': 'default'}]" in _textmode(out) @defer.inlineCallbacks def test_spider_with_no_rules_attribute(self): @@ -383,15 +384,15 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} status, out, stderr = yield self.execute( ["--spider", self.spider_name, "-r", self.url("/html")] ) - self.assertRegex(_textmode(out), r"""# Scraped Items -+\n\[\]""") - self.assertIn("""No CrawlSpider rules found""", _textmode(stderr)) + assert re.search(r"# Scraped Items -+\n\[\]", _textmode(out)) + assert "No CrawlSpider rules found" in _textmode(stderr) @defer.inlineCallbacks def test_crawlspider_missing_callback(self): status, out, stderr = yield self.execute( ["--spider", "badcrawl" + self.spider_name, "-r", self.url("/html")] ) - self.assertRegex(_textmode(out), r"""# Scraped Items -+\n\[\]""") + assert re.search(r"# Scraped Items -+\n\[\]", _textmode(out)) @defer.inlineCallbacks def test_crawlspider_no_matching_rule(self): @@ -399,13 +400,13 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} status, out, stderr = yield self.execute( ["--spider", "badcrawl" + self.spider_name, "-r", self.url("/enc-gb18030")] ) - self.assertRegex(_textmode(out), r"""# Scraped Items -+\n\[\]""") - self.assertIn("""Cannot find a rule that matches""", _textmode(stderr)) + assert re.search(r"# Scraped Items -+\n\[\]", _textmode(out)) + assert "Cannot find a rule that matches" in _textmode(stderr) @defer.inlineCallbacks def test_crawlspider_not_exists_with_not_matched_url(self): status, out, stderr = yield self.execute([self.url("/invalid_url")]) - self.assertEqual(status, 0) + assert status == 0 @defer.inlineCallbacks def test_output_flag(self): @@ -426,11 +427,11 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} ] ) - self.assertTrue(file_path.exists()) - self.assertTrue(file_path.is_file()) + assert file_path.exists() + assert file_path.is_file() content = '[\n{},\n{"foo": "bar"}\n]' - self.assertEqual(file_path.read_text(encoding="utf-8"), content) + assert file_path.read_text(encoding="utf-8") == content def test_parse_add_options(self): command = parse.Command() @@ -445,7 +446,7 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} namespace = parser.parse_args( ["--verbose", "--nolinks", "-d", "2", "--spider", self.spider_name] ) - self.assertTrue(namespace.nolinks) - self.assertEqual(namespace.depth, 2) - self.assertEqual(namespace.spider, self.spider_name) - self.assertTrue(namespace.verbose) + assert namespace.nolinks + assert namespace.depth == 2 + assert namespace.spider == self.spider_name + assert namespace.verbose diff --git a/tests/test_command_shell.py b/tests/test_command_shell.py index 9ca5e05dc..0f45a7ee8 100644 --- a/tests/test_command_shell.py +++ b/tests/test_command_shell.py @@ -13,7 +13,7 @@ from tests.utils.testproc import ProcessTest from tests.utils.testsite import SiteTest -class ShellTest(ProcessTest, SiteTest, unittest.TestCase): +class TestShellCommand(ProcessTest, SiteTest, unittest.TestCase): command = "shell" @defer.inlineCallbacks @@ -40,14 +40,14 @@ class ShellTest(ProcessTest, SiteTest, unittest.TestCase): def test_response_selector_html(self): xpath = "response.xpath(\"//p[@class='one']/text()\").get()" _, out, _ = yield self.execute([self.url("/html"), "-c", xpath]) - self.assertEqual(out.strip(), b"Works") + assert out.strip() == b"Works" @defer.inlineCallbacks def test_response_encoding_gb18030(self): _, out, _ = yield self.execute( [self.url("/enc-gb18030"), "-c", "response.encoding"] ) - self.assertEqual(out.strip(), b"gb18030") + assert out.strip() == b"gb18030" @defer.inlineCallbacks def test_redirect(self): @@ -79,7 +79,7 @@ class ShellTest(ProcessTest, SiteTest, unittest.TestCase): url = self.url("/redirect-no-meta-refresh") code = f"fetch('{url}')" errcode, out, errout = yield self.execute(["-c", code]) - self.assertEqual(errcode, 0, out) + assert errcode == 0, out assert b"Redirecting (302)" in errout assert b"Crawled (200)" in errout @@ -89,7 +89,7 @@ class ShellTest(ProcessTest, SiteTest, unittest.TestCase): url = self.url("/redirect-no-meta-refresh") code = f"fetch('{url}', redirect=False)" errcode, out, errout = yield self.execute(["-c", code]) - self.assertEqual(errcode, 0, out) + assert errcode == 0, out assert b"Crawled (302)" in errout @defer.inlineCallbacks @@ -97,14 +97,14 @@ class ShellTest(ProcessTest, SiteTest, unittest.TestCase): url = self.url("/text") code = f"fetch('{url}') or fetch(response.request.replace(method='POST'))" errcode, out, _ = yield self.execute(["-c", code]) - self.assertEqual(errcode, 0, out) + assert errcode == 0, out @defer.inlineCallbacks def test_scrapy_import(self): url = self.url("/text") code = f"fetch(scrapy.Request('{url}'))" errcode, out, _ = yield self.execute(["-c", code]) - self.assertEqual(errcode, 0, out) + assert errcode == 0, out @defer.inlineCallbacks def test_local_file(self): @@ -118,8 +118,8 @@ class ShellTest(ProcessTest, SiteTest, unittest.TestCase): errcode, out, err = yield self.execute( [filepath, "-c", "item"], check_code=False ) - self.assertEqual(errcode, 1, out or err) - self.assertIn(b"No such file or directory", err) + assert errcode == 1, out or err + assert b"No such file or directory" in err @defer.inlineCallbacks def test_dns_failures(self): @@ -127,8 +127,8 @@ class ShellTest(ProcessTest, SiteTest, unittest.TestCase): raise unittest.SkipTest("Non-existing hosts are resolvable") url = "www.somedomainthatdoesntexi.st" errcode, out, err = yield self.execute([url, "-c", "item"], check_code=False) - self.assertEqual(errcode, 1, out or err) - self.assertIn(b"DNS lookup failed", err) + assert errcode == 1, out or err + assert b"DNS lookup failed" in err @defer.inlineCallbacks def test_shell_fetch_async(self): @@ -137,10 +137,10 @@ class ShellTest(ProcessTest, SiteTest, unittest.TestCase): code = f"fetch('{url}')" args = ["-c", code, "--set", f"TWISTED_REACTOR={reactor_path}"] _, _, err = yield self.execute(args, check_code=True) - self.assertNotIn(b"RuntimeError: There is no current event loop in thread", err) + assert b"RuntimeError: There is no current event loop in thread" not in err -class InteractiveShellTest(unittest.TestCase): +class TestInteractiveShell: def test_fetch(self): args = ( sys.executable, @@ -161,4 +161,4 @@ class InteractiveShellTest(unittest.TestCase): p.sendeof() p.wait() logfile.seek(0) - self.assertNotIn("Traceback", logfile.read().decode()) + assert "Traceback" not in logfile.read().decode() diff --git a/tests/test_command_version.py b/tests/test_command_version.py index 917f457cb..a61a6a32b 100644 --- a/tests/test_command_version.py +++ b/tests/test_command_version.py @@ -7,17 +7,14 @@ import scrapy from tests.utils.testproc import ProcessTest -class VersionTest(ProcessTest, unittest.TestCase): +class TestVersionCommand(ProcessTest, unittest.TestCase): command = "version" @defer.inlineCallbacks def test_output(self): encoding = sys.stdout.encoding or "utf-8" _, out, _ = yield self.execute([]) - self.assertEqual( - out.strip().decode(encoding), - f"Scrapy {scrapy.__version__}", - ) + assert out.strip().decode(encoding) == f"Scrapy {scrapy.__version__}" @defer.inlineCallbacks def test_verbose_output(self): @@ -27,19 +24,16 @@ class VersionTest(ProcessTest, unittest.TestCase): line.partition(":")[0].strip() for line in out.strip().decode(encoding).splitlines() ] - self.assertEqual( - headers, - [ - "Scrapy", - "lxml", - "libxml2", - "cssselect", - "parsel", - "w3lib", - "Twisted", - "Python", - "pyOpenSSL", - "cryptography", - "Platform", - ], - ) + assert headers == [ + "Scrapy", + "lxml", + "libxml2", + "cssselect", + "parsel", + "w3lib", + "Twisted", + "Python", + "pyOpenSSL", + "cryptography", + "Platform", + ] diff --git a/tests/test_commands.py b/tests/test_commands.py index 1a0db1e03..f63e05628 100644 --- a/tests/test_commands.py +++ b/tests/test_commands.py @@ -14,7 +14,7 @@ from itertools import chain from pathlib import Path from shutil import copytree, rmtree from stat import S_IWRITE as ANYONE_WRITE_PERMISSION -from tempfile import TemporaryFile, mkdtemp +from tempfile import TemporaryDirectory, TemporaryFile, mkdtemp from threading import Timer from typing import TYPE_CHECKING from unittest import mock, skipIf @@ -35,8 +35,8 @@ if TYPE_CHECKING: from collections.abc import Iterator -class CommandSettings(unittest.TestCase): - def setUp(self): +class TestCommandSettings: + def setup_method(self): self.command = ScrapyCommand() self.command.settings = Settings() self.parser = argparse.ArgumentParser( @@ -50,10 +50,8 @@ class CommandSettings(unittest.TestCase): args=["-s", f"FEEDS={feeds_json}", "spider.py"] ) self.command.process_options(args, opts) - self.assertIsInstance( - self.command.settings["FEEDS"], scrapy.settings.BaseSettings - ) - self.assertEqual(dict(self.command.settings["FEEDS"]), json.loads(feeds_json)) + assert isinstance(self.command.settings["FEEDS"], scrapy.settings.BaseSettings) + assert dict(self.command.settings["FEEDS"]) == json.loads(feeds_json) def test_help_formatter(self): formatter = ScrapyHelpFormatter(prog="scrapy") @@ -64,17 +62,14 @@ class CommandSettings(unittest.TestCase): "\n", "Global Options:\n", ] - self.assertEqual( - formatter._join_parts(part_strings), - ( - "Usage\n=====\n scrapy genspider [options] <name> <domain>\n\n\n" - "Optional Arguments\n==================\n\n" - "Global Options\n--------------\n" - ), + assert formatter._join_parts(part_strings) == ( + "Usage\n=====\n scrapy genspider [options] <name> <domain>\n\n\n" + "Optional Arguments\n==================\n\n" + "Global Options\n--------------\n" ) -class ProjectTest(unittest.TestCase): +class TestProjectBase(unittest.TestCase): project_name = "testproject" def setUp(self): @@ -130,12 +125,12 @@ class ProjectTest(unittest.TestCase): return None -class StartprojectTest(ProjectTest): +class TestStartprojectCommand(TestProjectBase): def test_startproject(self): p, out, err = self.proc("startproject", self.project_name) print(out) print(err, file=sys.stderr) - self.assertEqual(p.returncode, 0) + assert p.returncode == 0 assert Path(self.proj_path, "scrapy.cfg").exists() assert Path(self.proj_path, "testproject").exists() @@ -145,13 +140,13 @@ class StartprojectTest(ProjectTest): assert Path(self.proj_mod_path, "settings.py").exists() assert Path(self.proj_mod_path, "spiders", "__init__.py").exists() - self.assertEqual(1, self.call("startproject", self.project_name)) - self.assertEqual(1, self.call("startproject", "wrong---project---name")) - self.assertEqual(1, self.call("startproject", "sys")) + assert self.call("startproject", self.project_name) == 1 + assert self.call("startproject", "wrong---project---name") == 1 + assert self.call("startproject", "sys") == 1 def test_startproject_with_project_dir(self): project_dir = mkdtemp() - self.assertEqual(0, self.call("startproject", self.project_name, project_dir)) + assert self.call("startproject", self.project_name, project_dir) == 0 assert Path(project_dir, "scrapy.cfg").exists() assert Path(project_dir, "testproject").exists() @@ -161,20 +156,16 @@ class StartprojectTest(ProjectTest): assert Path(project_dir, self.project_name, "settings.py").exists() assert Path(project_dir, self.project_name, "spiders", "__init__.py").exists() - self.assertEqual( - 0, self.call("startproject", self.project_name, project_dir + "2") - ) + assert self.call("startproject", self.project_name, project_dir + "2") == 0 - self.assertEqual(1, self.call("startproject", self.project_name, project_dir)) - self.assertEqual( - 1, self.call("startproject", self.project_name + "2", project_dir) - ) - self.assertEqual(1, self.call("startproject", "wrong---project---name")) - self.assertEqual(1, self.call("startproject", "sys")) - self.assertEqual(2, self.call("startproject")) - self.assertEqual( - 2, - self.call("startproject", self.project_name, project_dir, "another_params"), + assert self.call("startproject", self.project_name, project_dir) == 1 + assert self.call("startproject", self.project_name + "2", project_dir) == 1 + assert self.call("startproject", "wrong---project---name") == 1 + assert self.call("startproject", "sys") == 1 + assert self.call("startproject") == 2 + assert ( + self.call("startproject", self.project_name, project_dir, "another_params") + == 2 ) def test_existing_project_dir(self): @@ -186,7 +177,7 @@ class StartprojectTest(ProjectTest): p, out, err = self.proc("startproject", project_name, cwd=project_dir) print(out) print(err, file=sys.stderr) - self.assertEqual(p.returncode, 0) + assert p.returncode == 0 assert Path(project_path, "scrapy.cfg").exists() assert Path(project_path, project_name).exists() @@ -224,7 +215,7 @@ def get_permissions_dict( return permissions_dict -class StartprojectTemplatesTest(ProjectTest): +class TestStartprojectTemplates(TestProjectBase): maxDiff = None def setUp(self): @@ -239,11 +230,10 @@ class StartprojectTemplatesTest(ProjectTest): args = ["--set", f"TEMPLATES_DIR={self.tmpl}"] p, out, err = self.proc("startproject", self.project_name, *args) - self.assertIn( - f"New Scrapy project '{self.project_name}', using template directory", - out, + assert ( + f"New Scrapy project '{self.project_name}', using template directory" in out ) - self.assertIn(self.tmpl_proj, out) + assert self.tmpl_proj in out assert Path(self.proj_path, "root_template").exists() def test_startproject_permissions_from_writable(self): @@ -280,7 +270,7 @@ class StartprojectTemplatesTest(ProjectTest): project_dir = Path(destination, project_name) actual_permissions = get_permissions_dict(project_dir) - self.assertEqual(actual_permissions, expected_permissions) + assert actual_permissions == expected_permissions def test_startproject_permissions_from_read_only(self): """Check that generated files have the right permissions when the @@ -333,7 +323,7 @@ class StartprojectTemplatesTest(ProjectTest): project_dir = Path(destination, project_name) actual_permissions = get_permissions_dict(project_dir) - self.assertEqual(actual_permissions, expected_permissions) + assert actual_permissions == expected_permissions def test_startproject_permissions_unchanged_in_destination(self): """Check that preexisting folders and files in the destination folder @@ -391,7 +381,7 @@ class StartprojectTemplatesTest(ProjectTest): actual_permissions = get_permissions_dict(project_dir) - self.assertEqual(actual_permissions, expected_permissions) + assert actual_permissions == expected_permissions def test_startproject_permissions_umask_022(self): """Check that generated files have the right permissions when the @@ -435,10 +425,10 @@ class StartprojectTemplatesTest(ProjectTest): project_dir = Path(destination, project_name) actual_permissions = get_permissions_dict(project_dir) - self.assertEqual(actual_permissions, expected_permissions) + assert actual_permissions == expected_permissions -class CommandTest(ProjectTest): +class TestCommandBase(TestProjectBase): def setUp(self): super().setUp() self.call("startproject", self.project_name) @@ -446,13 +436,13 @@ class CommandTest(ProjectTest): self.env["SCRAPY_SETTINGS_MODULE"] = f"{self.project_name}.settings" -class GenspiderCommandTest(CommandTest): +class TestGenspiderCommand(TestCommandBase): def test_arguments(self): # only pass one argument. spider script shouldn't be created - self.assertEqual(2, self.call("genspider", "test_name")) + assert self.call("genspider", "test_name") == 2 assert not Path(self.proj_mod_path, "spiders", "test_name.py").exists() # pass two arguments <name> <domain>. spider script should be created - self.assertEqual(0, self.call("genspider", "test_name", "test.com")) + assert self.call("genspider", "test_name", "test.com") == 0 assert Path(self.proj_mod_path, "spiders", "test_name.py").exists() def test_template(self, tplname="crawl"): @@ -460,20 +450,20 @@ class GenspiderCommandTest(CommandTest): spname = "test_spider" spmodule = f"{self.project_name}.spiders.{spname}" p, out, err = self.proc("genspider", spname, "test.com", *args) - self.assertIn( - f"Created spider {spname!r} using template {tplname!r} in module:{os.linesep} {spmodule}", - out, + assert ( + f"Created spider {spname!r} using template {tplname!r} in module:{os.linesep} {spmodule}" + in out ) - self.assertTrue(Path(self.proj_mod_path, "spiders", "test_spider.py").exists()) + assert Path(self.proj_mod_path, "spiders", "test_spider.py").exists() modify_time_before = ( Path(self.proj_mod_path, "spiders", "test_spider.py").stat().st_mtime ) p, out, err = self.proc("genspider", spname, "test.com", *args) - self.assertIn(f"Spider {spname!r} already exists in module", out) + assert f"Spider {spname!r} already exists in module" in out modify_time_after = ( Path(self.proj_mod_path, "spiders", "test_spider.py").stat().st_mtime ) - self.assertEqual(modify_time_after, modify_time_before) + assert modify_time_after == modify_time_before def test_template_basic(self): self.test_template("basic") @@ -485,14 +475,14 @@ class GenspiderCommandTest(CommandTest): self.test_template("xmlfeed") def test_list(self): - self.assertEqual(0, self.call("genspider", "--list")) + assert self.call("genspider", "--list") == 0 def test_dump(self): - self.assertEqual(0, self.call("genspider", "--dump=basic")) - self.assertEqual(0, self.call("genspider", "-d", "basic")) + assert self.call("genspider", "--dump=basic") == 0 + assert self.call("genspider", "-d", "basic") == 0 def test_same_name_as_project(self): - self.assertEqual(2, self.call("genspider", self.project_name)) + assert self.call("genspider", self.project_name) == 2 assert not Path( self.proj_mod_path, "spiders", f"{self.project_name}.py" ).exists() @@ -500,7 +490,7 @@ class GenspiderCommandTest(CommandTest): def test_same_filename_as_existing_spider(self, force=False): file_name = "example" file_path = Path(self.proj_mod_path, "spiders", f"{file_name}.py") - self.assertEqual(0, self.call("genspider", file_name, "example.com")) + assert self.call("genspider", file_name, "example.com") == 0 assert file_path.exists() # change name of spider but not its file name @@ -515,39 +505,39 @@ class GenspiderCommandTest(CommandTest): if force: p, out, err = self.proc("genspider", "--force", file_name, "example.com") - self.assertIn( - f"Created spider {file_name!r} using template 'basic' in module", out + assert ( + f"Created spider {file_name!r} using template 'basic' in module" in out ) modify_time_after = file_path.stat().st_mtime - self.assertNotEqual(modify_time_after, modify_time_before) + assert modify_time_after != modify_time_before file_contents_after = file_path.read_text(encoding="utf-8") - self.assertNotEqual(file_contents_after, file_contents_before) + assert file_contents_after != file_contents_before else: p, out, err = self.proc("genspider", file_name, "example.com") - self.assertIn(f"{file_path.resolve()} already exists", out) + assert f"{file_path.resolve()} already exists" in out modify_time_after = file_path.stat().st_mtime - self.assertEqual(modify_time_after, modify_time_before) + assert modify_time_after == modify_time_before file_contents_after = file_path.read_text(encoding="utf-8") - self.assertEqual(file_contents_after, file_contents_before) + assert file_contents_after == file_contents_before def test_same_filename_as_existing_spider_force(self): self.test_same_filename_as_existing_spider(force=True) def test_url(self, url="test.com", domain="test.com"): - self.assertEqual(0, self.call("genspider", "--force", "test_name", url)) - self.assertEqual( - domain, + assert self.call("genspider", "--force", "test_name", url) == 0 + assert ( self.find_in_file( Path(self.proj_mod_path, "spiders", "test_name.py"), r"allowed_domains\s*=\s*\[['\"](.+)['\"]\]", - ).group(1), + ).group(1) + == domain ) - self.assertEqual( - f"https://{domain}", + assert ( self.find_in_file( Path(self.proj_mod_path, "spiders", "test_name.py"), r"start_urls\s*=\s*\[['\"](.+)['\"]\]", - ).group(1), + ).group(1) + == f"https://{domain}" ) def test_url_schema(self): @@ -556,15 +546,13 @@ class GenspiderCommandTest(CommandTest): def test_template_start_urls( self, url="test.com", expected="https://test.com", template="basic" ): - self.assertEqual( - 0, self.call("genspider", "-t", template, "--force", "test_name", url) - ) - self.assertEqual( - expected, + assert self.call("genspider", "-t", template, "--force", "test_name", url) == 0 + assert ( self.find_in_file( Path(self.proj_mod_path, "spiders", "test_name.py"), r"start_urls\s*=\s*\[['\"](.+)['\"]\]", - ).group(1), + ).group(1) + == expected ) def test_genspider_basic_start_urls(self): @@ -611,7 +599,7 @@ class GenspiderCommandTest(CommandTest): ) -class GenspiderStandaloneCommandTest(ProjectTest): +class TestGenspiderStandaloneCommand(TestProjectBase): def test_generate_standalone_spider(self): self.call("genspider", "example", "example.com") assert Path(self.temp_path, "example.py").exists() @@ -620,7 +608,7 @@ class GenspiderStandaloneCommandTest(ProjectTest): file_name = "example" file_path = Path(self.temp_path, file_name + ".py") p, out, err = self.proc("genspider", file_name, "example.com") - self.assertIn(f"Created spider {file_name!r} using template 'basic' ", out) + assert f"Created spider {file_name!r} using template 'basic' " in out assert file_path.exists() modify_time_before = file_path.stat().st_mtime file_contents_before = file_path.read_text(encoding="utf-8") @@ -630,29 +618,29 @@ class GenspiderStandaloneCommandTest(ProjectTest): p, out, err = self.proc( "genspider", "--force", "-t", "crawl", file_name, "example.com" ) - self.assertIn(f"Created spider {file_name!r} using template 'crawl' ", out) + assert f"Created spider {file_name!r} using template 'crawl' " in out modify_time_after = file_path.stat().st_mtime - self.assertNotEqual(modify_time_after, modify_time_before) + assert modify_time_after != modify_time_before file_contents_after = file_path.read_text(encoding="utf-8") - self.assertNotEqual(file_contents_after, file_contents_before) + assert file_contents_after != file_contents_before else: p, out, err = self.proc("genspider", file_name, "example.com") - self.assertIn( - f"{Path(self.temp_path, file_name + '.py').resolve()} already exists", - out, + assert ( + f"{Path(self.temp_path, file_name + '.py').resolve()} already exists" + in out ) modify_time_after = file_path.stat().st_mtime - self.assertEqual(modify_time_after, modify_time_before) + assert modify_time_after == modify_time_before file_contents_after = file_path.read_text(encoding="utf-8") - self.assertEqual(file_contents_after, file_contents_before) + assert file_contents_after == file_contents_before def test_same_name_as_existing_file_force(self): self.test_same_name_as_existing_file(force=True) -class MiscCommandsTest(CommandTest): +class TestMiscCommands(TestCommandBase): def test_list(self): - self.assertEqual(0, self.call("list")) + assert self.call("list") == 0 def test_command_not_found(self): na_msg = """ @@ -670,10 +658,10 @@ Unknown command: abc for cmdname, inproject, message in params: with mock.patch("sys.stdout", new=StringIO()) as out: _print_unknown_command_msg(Settings(), cmdname, inproject) - self.assertEqual(out.getvalue().strip(), message.strip()) + assert out.getvalue().strip() == message.strip() -class RunSpiderCommandTest(CommandTest): +class TestRunSpiderCommand(TestCommandBase): spider_filename = "myspider.py" debug_log_spider = """ @@ -697,18 +685,14 @@ class BadSpider(scrapy.Spider): """ @contextmanager - def _create_file(self, content, name=None) -> Iterator[str]: - tmpdir = Path(self.mktemp()) - tmpdir.mkdir() - if name: - fname = (tmpdir / name).resolve() - else: - fname = (tmpdir / self.spider_filename).resolve() - fname.write_text(content, encoding="utf-8") - try: + def _create_file(self, content: str, name: str | None = None) -> Iterator[str]: + with TemporaryDirectory() as tmpdir: + if name: + fname = Path(tmpdir, name).resolve() + else: + fname = Path(tmpdir, self.spider_filename).resolve() + fname.write_text(content, encoding="utf-8") yield str(fname) - finally: - rmtree(tmpdir) def runspider(self, code, name=None, args=()): with self._create_file(code, name) as fname: @@ -720,29 +704,29 @@ class BadSpider(scrapy.Spider): def test_runspider(self): log = self.get_log(self.debug_log_spider) - self.assertIn("DEBUG: It Works!", log) - self.assertIn("INFO: Spider opened", log) - self.assertIn("INFO: Closing spider (finished)", log) - self.assertIn("INFO: Spider closed (finished)", log) + assert "DEBUG: It Works!" in log + assert "INFO: Spider opened" in log + assert "INFO: Closing spider (finished)" in log + assert "INFO: Spider closed (finished)" in log def test_run_fail_spider(self): proc, _, _ = self.runspider( "import scrapy\n" + inspect.getsource(ExceptionSpider) ) ret = proc.returncode - self.assertNotEqual(ret, 0) + assert ret != 0 def test_run_good_spider(self): proc, _, _ = self.runspider( "import scrapy\n" + inspect.getsource(NoRequestsSpider) ) ret = proc.returncode - self.assertEqual(ret, 0) + assert ret == 0 def test_runspider_log_level(self): log = self.get_log(self.debug_log_spider, args=("-s", "LOG_LEVEL=INFO")) - self.assertNotIn("DEBUG: It Works!", log) - self.assertIn("INFO: Spider opened", log) + assert "DEBUG: It Works!" not in log + assert "INFO: Spider opened" in log def test_runspider_dnscache_disabled(self): # see https://github.com/scrapy/scrapy/issues/2811 @@ -761,36 +745,36 @@ class MySpider(scrapy.Spider): return {'test': 'value'} """ log = self.get_log(dnscache_spider, args=("-s", "DNSCACHE_ENABLED=False")) - self.assertNotIn("DNSLookupError", log) - self.assertIn("INFO: Spider opened", log) + assert "DNSLookupError" not in log + assert "INFO: Spider opened" in log def test_runspider_log_short_names(self): log1 = self.get_log(self.debug_log_spider, args=("-s", "LOG_SHORT_NAMES=1")) - self.assertIn("[myspider] DEBUG: It Works!", log1) - self.assertIn("[scrapy]", log1) - self.assertNotIn("[scrapy.core.engine]", log1) + assert "[myspider] DEBUG: It Works!" in log1 + assert "[scrapy]" in log1 + assert "[scrapy.core.engine]" not in log1 log2 = self.get_log(self.debug_log_spider, args=("-s", "LOG_SHORT_NAMES=0")) - self.assertIn("[myspider] DEBUG: It Works!", log2) - self.assertNotIn("[scrapy]", log2) - self.assertIn("[scrapy.core.engine]", log2) + assert "[myspider] DEBUG: It Works!" in log2 + assert "[scrapy]" not in log2 + assert "[scrapy.core.engine]" in log2 def test_runspider_no_spider_found(self): log = self.get_log("from scrapy.spiders import Spider\n") - self.assertIn("No spider found in file", log) + assert "No spider found in file" in log def test_runspider_file_not_found(self): _, _, log = self.proc("runspider", "some_non_existent_file") - self.assertIn("File not found: some_non_existent_file", log) + assert "File not found: some_non_existent_file" in log def test_runspider_unable_to_load(self): log = self.get_log("", name="myspider.txt") - self.assertIn("Unable to load", log) + assert "Unable to load" in log def test_start_requests_errors(self): log = self.get_log(self.badspider, name="badspider.py") - self.assertIn("start_requests", log) - self.assertIn("badspider.py", log) + assert "start_requests" in log + assert "badspider.py" in log def test_asyncio_enabled_true(self): log = self.get_log( @@ -800,14 +784,16 @@ class MySpider(scrapy.Spider): "TWISTED_REACTOR=twisted.internet.asyncioreactor.AsyncioSelectorReactor", ], ) - self.assertIn( - "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor", log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + in log ) def test_asyncio_enabled_default(self): log = self.get_log(self.debug_log_spider, args=[]) - self.assertIn( - "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor", log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + in log ) def test_asyncio_enabled_false(self): @@ -815,11 +801,10 @@ class MySpider(scrapy.Spider): self.debug_log_spider, args=["-s", "TWISTED_REACTOR=twisted.internet.selectreactor.SelectReactor"], ) - self.assertIn( - "Using reactor: twisted.internet.selectreactor.SelectReactor", log - ) - self.assertNotIn( - "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor", log + assert "Using reactor: twisted.internet.selectreactor.SelectReactor" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + not in log ) @pytest.mark.requires_uvloop @@ -833,7 +818,7 @@ class MySpider(scrapy.Spider): "ASYNCIO_EVENT_LOOP=uvloop.Loop", ], ) - self.assertIn("Using asyncio event loop: uvloop.Loop", log) + assert "Using asyncio event loop: uvloop.Loop" in log def test_custom_asyncio_loop_enabled_false(self): log = self.get_log( @@ -849,9 +834,9 @@ class MySpider(scrapy.Spider): loop = asyncio.new_event_loop() else: loop = asyncio.SelectorEventLoop() - self.assertIn( - f"Using asyncio event loop: {loop.__module__}.{loop.__class__.__name__}", - log, + assert ( + f"Using asyncio event loop: {loop.__module__}.{loop.__class__.__name__}" + in log ) def test_output(self): @@ -867,9 +852,7 @@ class MySpider(scrapy.Spider): """ args = ["-o", "example.json"] log = self.get_log(spider_code, args=args) - self.assertIn( - "[myspider] DEBUG: FEEDS: {'example.json': {'format': 'json'}}", log - ) + assert "[myspider] DEBUG: FEEDS: {'example.json': {'format': 'json'}}" in log def test_overwrite_output(self): spider_code = """ @@ -890,13 +873,13 @@ class MySpider(scrapy.Spider): Path(self.cwd, "example.json").write_text("not empty", encoding="utf-8") args = ["-O", "example.json"] log = self.get_log(spider_code, args=args) - self.assertIn( - '[myspider] DEBUG: FEEDS: {"example.json": {"format": "json", "overwrite": true}}', - log, + assert ( + '[myspider] DEBUG: FEEDS: {"example.json": {"format": "json", "overwrite": true}}' + in log ) with Path(self.cwd, "example.json").open(encoding="utf-8") as f2: first_line = f2.readline() - self.assertNotEqual(first_line, "not empty") + assert first_line != "not empty" def test_output_and_overwrite_output(self): spider_code = """ @@ -910,8 +893,8 @@ class MySpider(scrapy.Spider): """ args = ["-o", "example1.json", "-O", "example2.json"] log = self.get_log(spider_code, args=args) - self.assertIn( - "error: Please use only one of -o/--output and -O/--overwrite-output", log + assert ( + "error: Please use only one of -o/--output and -O/--overwrite-output" in log ) def test_output_stdout(self): @@ -927,7 +910,7 @@ class MySpider(scrapy.Spider): """ args = ["-o", "-:json"] log = self.get_log(spider_code, args=args) - self.assertIn("[myspider] DEBUG: FEEDS: {'stdout:': {'format': 'json'}}", log) + assert "[myspider] DEBUG: FEEDS: {'stdout:': {'format': 'json'}}" in log @skipIf(platform.system() == "Windows", reason="Linux only") def test_absolute_path_linux(self): @@ -946,16 +929,16 @@ class MySpider(scrapy.Spider): args = ["-o", f"{temp_dir}/output1.json:json"] log = self.get_log(spider_code, args=args) - self.assertIn( - f"[scrapy.extensions.feedexport] INFO: Stored json feed (1 items) in: {temp_dir}/output1.json", - log, + assert ( + f"[scrapy.extensions.feedexport] INFO: Stored json feed (1 items) in: {temp_dir}/output1.json" + in log ) args = ["-o", f"{temp_dir}/output2.json"] log = self.get_log(spider_code, args=args) - self.assertIn( - f"[scrapy.extensions.feedexport] INFO: Stored json feed (1 items) in: {temp_dir}/output2.json", - log, + assert ( + f"[scrapy.extensions.feedexport] INFO: Stored json feed (1 items) in: {temp_dir}/output2.json" + in log ) @skipIf(platform.system() != "Windows", reason="Windows only") @@ -975,16 +958,16 @@ class MySpider(scrapy.Spider): args = ["-o", f"{temp_dir}\\output1.json:json"] log = self.get_log(spider_code, args=args) - self.assertIn( - f"[scrapy.extensions.feedexport] INFO: Stored json feed (1 items) in: {temp_dir}\\output1.json", - log, + assert ( + f"[scrapy.extensions.feedexport] INFO: Stored json feed (1 items) in: {temp_dir}\\output1.json" + in log ) args = ["-o", f"{temp_dir}\\output2.json"] log = self.get_log(spider_code, args=args) - self.assertIn( - f"[scrapy.extensions.feedexport] INFO: Stored json feed (1 items) in: {temp_dir}\\output2.json", - log, + assert ( + f"[scrapy.extensions.feedexport] INFO: Stored json feed (1 items) in: {temp_dir}\\output2.json" + in log ) def test_args_change_settings(self): @@ -1006,11 +989,11 @@ class MySpider(scrapy.Spider): """ args = ["-a", "foo=42"] log = self.get_log(spider_code, args=args) - self.assertIn("Spider closed (finished)", log) - self.assertIn("The value of FOO is 42", log) + assert "Spider closed (finished)" in log + assert "The value of FOO is 42" in log -class WindowsRunSpiderCommandTest(RunSpiderCommandTest): +class TestWindowsRunSpiderCommand(TestRunSpiderCommand): spider_filename = "myspider.pyw" def setUp(self): @@ -1020,24 +1003,24 @@ class WindowsRunSpiderCommandTest(RunSpiderCommandTest): def test_start_requests_errors(self): log = self.get_log(self.badspider, name="badspider.pyw") - self.assertIn("start_requests", log) - self.assertIn("badspider.pyw", log) + assert "start_requests" in log + assert "badspider.pyw" in log def test_runspider_unable_to_load(self): raise unittest.SkipTest("Already Tested in 'RunSpiderCommandTest' ") -class BenchCommandTest(CommandTest): +class TestBenchCommand(TestCommandBase): def test_run(self): _, _, log = self.proc( "bench", "-s", "LOGSTATS_INTERVAL=0.001", "-s", "CLOSESPIDER_TIMEOUT=0.01" ) - self.assertIn("INFO: Crawled", log) - self.assertNotIn("Unhandled Error", log) - self.assertNotIn("log_count/ERROR", log) + assert "INFO: Crawled" in log + assert "Unhandled Error" not in log + assert "log_count/ERROR" not in log -class ViewCommandTest(CommandTest): +class TestViewCommand(TestCommandBase): def test_methods(self): command = view.Command() command.settings = Settings() @@ -1048,13 +1031,11 @@ class ViewCommandTest(CommandTest): conflict_handler="resolve", ) command.add_options(parser) - self.assertEqual(command.short_desc(), "Open URL in browser, as seen by Scrapy") - self.assertIn( - "URL using the Scrapy downloader and show its", command.long_desc() - ) + assert command.short_desc() == "Open URL in browser, as seen by Scrapy" + assert "URL using the Scrapy downloader and show its" in command.long_desc() -class CrawlCommandTest(CommandTest): +class TestCrawlCommand(TestCommandBase): def crawl(self, code, args=()): Path(self.proj_mod_path, "spiders", "myspider.py").write_text( code, encoding="utf-8" @@ -1077,7 +1058,7 @@ class MySpider(scrapy.Spider): return [] """ log = self.get_log(spider_code) - self.assertIn("[myspider] DEBUG: It works!", log) + assert "[myspider] DEBUG: It works!" in log def test_output(self): spider_code = """ @@ -1092,9 +1073,7 @@ class MySpider(scrapy.Spider): """ args = ["-o", "example.json"] log = self.get_log(spider_code, args=args) - self.assertIn( - "[myspider] DEBUG: FEEDS: {'example.json': {'format': 'json'}}", log - ) + assert "[myspider] DEBUG: FEEDS: {'example.json': {'format': 'json'}}" in log def test_overwrite_output(self): spider_code = """ @@ -1115,13 +1094,13 @@ class MySpider(scrapy.Spider): Path(self.cwd, "example.json").write_text("not empty", encoding="utf-8") args = ["-O", "example.json"] log = self.get_log(spider_code, args=args) - self.assertIn( - '[myspider] DEBUG: FEEDS: {"example.json": {"format": "json", "overwrite": true}}', - log, + assert ( + '[myspider] DEBUG: FEEDS: {"example.json": {"format": "json", "overwrite": true}}' + in log ) with Path(self.cwd, "example.json").open(encoding="utf-8") as f2: first_line = f2.readline() - self.assertNotEqual(first_line, "not empty") + assert first_line != "not empty" def test_output_and_overwrite_output(self): spider_code = """ @@ -1135,12 +1114,12 @@ class MySpider(scrapy.Spider): """ args = ["-o", "example1.json", "-O", "example2.json"] log = self.get_log(spider_code, args=args) - self.assertIn( - "error: Please use only one of -o/--output and -O/--overwrite-output", log + assert ( + "error: Please use only one of -o/--output and -O/--overwrite-output" in log ) -class HelpMessageTest(CommandTest): +class TestHelpMessage(TestCommandBase): def setUp(self): super().setUp() self.commands = [ @@ -1163,30 +1142,30 @@ class HelpMessageTest(CommandTest): def test_help_messages(self): for command in self.commands: _, out, _ = self.proc(command, "-h") - self.assertIn("Usage", out) + assert "Usage" in out -class PopCommandNameTest(unittest.TestCase): +class TestPopCommandName: def test_valid_command(self): argv = ["scrapy", "crawl", "my_spider"] command = _pop_command_name(argv) - self.assertEqual(command, "crawl") - self.assertEqual(argv, ["scrapy", "my_spider"]) + assert command == "crawl" + assert argv == ["scrapy", "my_spider"] def test_no_command(self): argv = ["scrapy"] command = _pop_command_name(argv) - self.assertIsNone(command) - self.assertEqual(argv, ["scrapy"]) + assert command is None + assert argv == ["scrapy"] def test_option_before_command(self): argv = ["scrapy", "-h", "crawl"] command = _pop_command_name(argv) - self.assertEqual(command, "crawl") - self.assertEqual(argv, ["scrapy", "-h"]) + assert command == "crawl" + assert argv == ["scrapy", "-h"] def test_option_after_command(self): argv = ["scrapy", "crawl", "-h"] command = _pop_command_name(argv) - self.assertEqual(command, "crawl") - self.assertEqual(argv, ["scrapy", "-h"]) + assert command == "crawl" + assert argv == ["scrapy", "-h"] diff --git a/tests/test_contracts.py b/tests/test_contracts.py index 0f7d7b54c..fb961ace2 100644 --- a/tests/test_contracts.py +++ b/tests/test_contracts.py @@ -1,5 +1,6 @@ from unittest import TextTestResult +import pytest from twisted.internet import defer from twisted.python import failure from twisted.trial import unittest @@ -246,7 +247,7 @@ class InheritsDemoSpider(DemoSpider): name = "inherits_demo_spider" -class ContractsManagerTest(unittest.TestCase): +class TestContractsManager(unittest.TestCase): contracts = [ UrlContract, CallbackKeywordArgumentsContract, @@ -263,34 +264,33 @@ class ContractsManagerTest(unittest.TestCase): self.results = TextTestResult(stream=None, descriptions=False, verbosity=0) def should_succeed(self): - self.assertFalse(self.results.failures) - self.assertFalse(self.results.errors) + assert not self.results.failures + assert not self.results.errors def should_fail(self): - self.assertTrue(self.results.failures) - self.assertFalse(self.results.errors) + assert self.results.failures + assert not self.results.errors def should_error(self): - self.assertTrue(self.results.errors) + assert self.results.errors def test_contracts(self): spider = DemoSpider() # extract contracts correctly contracts = self.conman.extract_contracts(spider.returns_request) - self.assertEqual(len(contracts), 2) - self.assertEqual( - frozenset(type(x) for x in contracts), - frozenset([UrlContract, ReturnsContract]), + assert len(contracts) == 2 + assert frozenset(type(x) for x in contracts) == frozenset( + [UrlContract, ReturnsContract] ) # returns request for valid method request = self.conman.from_method(spider.returns_request, self.results) - self.assertNotEqual(request, None) + assert request is not None # no request for missing url request = self.conman.from_method(spider.parse_no_url, self.results) - self.assertEqual(request, None) + assert request is None def test_cb_kwargs(self): spider = DemoSpider() @@ -298,35 +298,31 @@ class ContractsManagerTest(unittest.TestCase): # extract contracts correctly contracts = self.conman.extract_contracts(spider.returns_request_cb_kwargs) - self.assertEqual(len(contracts), 3) - self.assertEqual( - frozenset(type(x) for x in contracts), - frozenset([UrlContract, CallbackKeywordArgumentsContract, ReturnsContract]), + assert len(contracts) == 3 + assert frozenset(type(x) for x in contracts) == frozenset( + [UrlContract, CallbackKeywordArgumentsContract, ReturnsContract] ) contracts = self.conman.extract_contracts(spider.returns_item_cb_kwargs) - self.assertEqual(len(contracts), 3) - self.assertEqual( - frozenset(type(x) for x in contracts), - frozenset([UrlContract, CallbackKeywordArgumentsContract, ReturnsContract]), + assert len(contracts) == 3 + assert frozenset(type(x) for x in contracts) == frozenset( + [UrlContract, CallbackKeywordArgumentsContract, ReturnsContract] ) contracts = self.conman.extract_contracts( spider.returns_item_cb_kwargs_error_unexpected_keyword ) - self.assertEqual(len(contracts), 3) - self.assertEqual( - frozenset(type(x) for x in contracts), - frozenset([UrlContract, CallbackKeywordArgumentsContract, ReturnsContract]), + assert len(contracts) == 3 + assert frozenset(type(x) for x in contracts) == frozenset( + [UrlContract, CallbackKeywordArgumentsContract, ReturnsContract] ) contracts = self.conman.extract_contracts( spider.returns_item_cb_kwargs_error_missing_argument ) - self.assertEqual(len(contracts), 2) - self.assertEqual( - frozenset(type(x) for x in contracts), - frozenset([UrlContract, ReturnsContract]), + assert len(contracts) == 2 + assert frozenset(type(x) for x in contracts) == frozenset( + [UrlContract, ReturnsContract] ) # returns_request @@ -360,17 +356,15 @@ class ContractsManagerTest(unittest.TestCase): # extract contracts correctly contracts = self.conman.extract_contracts(spider.returns_request_meta) - self.assertEqual(len(contracts), 3) - self.assertEqual( - frozenset(type(x) for x in contracts), - frozenset([UrlContract, MetadataContract, ReturnsContract]), + assert len(contracts) == 3 + assert frozenset(type(x) for x in contracts) == frozenset( + [UrlContract, MetadataContract, ReturnsContract] ) contracts = self.conman.extract_contracts(spider.returns_item_meta) - self.assertEqual(len(contracts), 3) - self.assertEqual( - frozenset(type(x) for x in contracts), - frozenset([UrlContract, MetadataContract, ReturnsContract]), + assert len(contracts) == 3 + assert frozenset(type(x) for x in contracts) == frozenset( + [UrlContract, MetadataContract, ReturnsContract] ) response = ResponseMetaMock() @@ -505,8 +499,8 @@ class ContractsManagerTest(unittest.TestCase): request = self.conman.from_method(spider.returns_request, self.results) request.errback(failure_mock) - self.assertFalse(self.results.failures) - self.assertTrue(self.results.errors) + assert not self.results.failures + assert self.results.errors @defer.inlineCallbacks def test_same_url(self): @@ -537,19 +531,19 @@ class ContractsManagerTest(unittest.TestCase): crawler = get_crawler(TestSameUrlSpider) yield crawler.crawl() - self.assertEqual(crawler.spider.visited, 2) + assert crawler.spider.visited == 2 def test_form_contract(self): spider = DemoSpider() request = self.conman.from_method(spider.custom_form, self.results) - self.assertEqual(request.method, "POST") - self.assertIsInstance(request, FormRequest) + assert request.method == "POST" + assert isinstance(request, FormRequest) def test_inherited_contracts(self): spider = InheritsDemoSpider() requests = self.conman.from_spider(spider, self.results) - self.assertTrue(requests) + assert requests class CustomFailContractPreProcess(Contract): @@ -566,8 +560,8 @@ class CustomFailContractPostProcess(Contract): raise KeyboardInterrupt("Post-process exception") -class CustomContractPrePostProcess(unittest.TestCase): - def setUp(self): +class TestCustomContractPrePostProcess: + def setup_method(self): self.results = TextTestResult(stream=None, descriptions=False, verbosity=0) def test_pre_hook_keyboard_interrupt(self): @@ -576,18 +570,13 @@ class CustomContractPrePostProcess(unittest.TestCase): contract = CustomFailContractPreProcess(spider.returns_request) conman = ContractsManager([contract]) - try: - request = conman.from_method(spider.returns_request, self.results) - contract.add_pre_hook(request, self.results) - # Expect this to raise a KeyboardInterrupt + request = conman.from_method(spider.returns_request, self.results) + contract.add_pre_hook(request, self.results) + with pytest.raises(KeyboardInterrupt, match="Pre-process exception"): request.callback(response, **request.cb_kwargs) - except KeyboardInterrupt as e: - self.assertEqual(str(e), "Pre-process exception") - else: - self.fail("KeyboardInterrupt not raised") - self.assertFalse(self.results.failures) - self.assertFalse(self.results.errors) + assert not self.results.failures + assert not self.results.errors def test_post_hook_keyboard_interrupt(self): spider = DemoSpider() @@ -595,15 +584,10 @@ class CustomContractPrePostProcess(unittest.TestCase): contract = CustomFailContractPostProcess(spider.returns_request) conman = ContractsManager([contract]) - try: - request = conman.from_method(spider.returns_request, self.results) - contract.add_post_hook(request, self.results) - # Expect this to raise a KeyboardInterrupt + request = conman.from_method(spider.returns_request, self.results) + contract.add_post_hook(request, self.results) + with pytest.raises(KeyboardInterrupt, match="Post-process exception"): request.callback(response, **request.cb_kwargs) - except KeyboardInterrupt as e: - self.assertEqual(str(e), "Post-process exception") - else: - self.fail("KeyboardInterrupt not raised") - self.assertFalse(self.results.failures) - self.assertFalse(self.results.errors) + assert not self.results.failures + assert not self.results.errors diff --git a/tests/test_core_downloader.py b/tests/test_core_downloader.py index dffba303f..1bffd69ed 100644 --- a/tests/test_core_downloader.py +++ b/tests/test_core_downloader.py @@ -30,16 +30,13 @@ from scrapy.utils.test import get_crawler from tests.mockserver import PayloadResource, ssl_context_factory -class SlotTest(unittest.TestCase): +class TestSlot: def test_repr(self): slot = Slot(concurrency=8, delay=0.1, randomize_delay=True) - self.assertEqual( - repr(slot), - "Slot(concurrency=8, delay=0.10, randomize_delay=True)", - ) + assert repr(slot) == "Slot(concurrency=8, delay=0.10, randomize_delay=True)" -class ContextFactoryBaseTestCase(unittest.TestCase): +class TestContextFactoryBase(unittest.TestCase): context_factory = None def _listen(self, site): @@ -90,7 +87,7 @@ class ContextFactoryBaseTestCase(unittest.TestCase): return await maybe_deferred_to_future(d) -class ContextFactoryTestCase(ContextFactoryBaseTestCase): +class TestContextFactory(TestContextFactoryBase): @deferred_f_from_coro_f async def testPayload(self): s = "0123456789" * 10 @@ -100,7 +97,7 @@ class ContextFactoryTestCase(ContextFactoryBaseTestCase): body = await self.get_page( self.getURL("payload"), client_context_factory, body=s ) - self.assertEqual(body, to_bytes(s)) + assert body == to_bytes(s) def test_override_getContext(self): class MyFactory(ScrapyClientContextFactory): @@ -112,14 +109,14 @@ class ContextFactoryTestCase(ContextFactoryBaseTestCase): with warnings.catch_warnings(record=True) as w: MyFactory() - self.assertEqual(len(w), 1) - self.assertIn( - "Overriding ScrapyClientContextFactory.getContext() is deprecated", - str(w[0].message), + assert len(w) == 1 + assert ( + "Overriding ScrapyClientContextFactory.getContext() is deprecated" + in str(w[0].message) ) -class ContextFactoryTLSMethodTestCase(ContextFactoryBaseTestCase): +class TestContextFactoryTLSMethod(TestContextFactoryBase): async def _assert_factory_works( self, client_context_factory: ScrapyClientContextFactory ) -> None: @@ -127,7 +124,7 @@ class ContextFactoryTLSMethodTestCase(ContextFactoryBaseTestCase): body = await self.get_page( self.getURL("payload"), client_context_factory, body=s ) - self.assertEqual(body, to_bytes(s)) + assert body == to_bytes(s) @deferred_f_from_coro_f async def test_setting_default(self): diff --git a/tests/test_crawl.py b/tests/test_crawl.py index 3aca2bbce..5766f9313 100644 --- a/tests/test_crawl.py +++ b/tests/test_crawl.py @@ -55,7 +55,7 @@ from tests.spiders import ( ) -class CrawlTestCase(TestCase): +class TestCrawl(TestCase): @classmethod def setUpClass(cls): cls.mockserver = MockServer() @@ -69,7 +69,7 @@ class CrawlTestCase(TestCase): def test_follow_all(self): crawler = get_crawler(FollowAllSpider) yield crawler.crawl(mockserver=self.mockserver) - self.assertEqual(len(crawler.spider.urls_visited), 11) # 10 + start_url + assert len(crawler.spider.urls_visited) == 11 # 10 + start_url @defer.inlineCallbacks def test_fixed_delay(self): @@ -94,9 +94,7 @@ class CrawlTestCase(TestCase): times = crawler.spider.times total_time = times[-1] - times[0] average = total_time / (len(times) - 1) - self.assertTrue( - average > delay * tolerance, f"download delay too small: {average}" - ) + assert average > delay * tolerance, f"download delay too small: {average}" # Ensure that the same test parameters would cause a failure if no # download delay is set. Otherwise, it means we are using a combination @@ -108,34 +106,32 @@ class CrawlTestCase(TestCase): times = crawler.spider.times total_time = times[-1] - times[0] average = total_time / (len(times) - 1) - self.assertFalse( - average > delay / tolerance, "test total or delay values are too small" - ) + assert average <= delay / tolerance, "test total or delay values are too small" @defer.inlineCallbacks def test_timeout_success(self): crawler = get_crawler(DelaySpider) yield crawler.crawl(n=0.5, mockserver=self.mockserver) - self.assertTrue(crawler.spider.t1 > 0) - self.assertTrue(crawler.spider.t2 > 0) - self.assertTrue(crawler.spider.t2 > crawler.spider.t1) + assert crawler.spider.t1 > 0 + assert crawler.spider.t2 > 0 + assert crawler.spider.t2 > crawler.spider.t1 @defer.inlineCallbacks def test_timeout_failure(self): crawler = get_crawler(DelaySpider, {"DOWNLOAD_TIMEOUT": 0.35}) yield crawler.crawl(n=0.5, mockserver=self.mockserver) - self.assertTrue(crawler.spider.t1 > 0) - self.assertTrue(crawler.spider.t2 == 0) - self.assertTrue(crawler.spider.t2_err > 0) - self.assertTrue(crawler.spider.t2_err > crawler.spider.t1) + assert crawler.spider.t1 > 0 + assert crawler.spider.t2 == 0 + assert crawler.spider.t2_err > 0 + assert crawler.spider.t2_err > crawler.spider.t1 # server hangs after receiving response headers crawler = get_crawler(DelaySpider, {"DOWNLOAD_TIMEOUT": 0.35}) yield crawler.crawl(n=0.5, b=1, mockserver=self.mockserver) - self.assertTrue(crawler.spider.t1 > 0) - self.assertTrue(crawler.spider.t2 == 0) - self.assertTrue(crawler.spider.t2_err > 0) - self.assertTrue(crawler.spider.t2_err > crawler.spider.t1) + assert crawler.spider.t1 > 0 + assert crawler.spider.t2 == 0 + assert crawler.spider.t2_err > 0 + assert crawler.spider.t2_err > crawler.spider.t1 @defer.inlineCallbacks def test_retry_503(self): @@ -173,10 +169,10 @@ class CrawlTestCase(TestCase): crawler = get_crawler(BrokenStartRequestsSpider) yield crawler.crawl(fail_before_yield=1, mockserver=self.mockserver) - self.assertEqual(len(log.records), 1) + assert len(log.records) == 1 record = log.records[0] - self.assertIsNotNone(record.exc_info) - self.assertIs(record.exc_info[0], ZeroDivisionError) + assert record.exc_info is not None + assert record.exc_info[0] is ZeroDivisionError @defer.inlineCallbacks def test_start_requests_bug_yielding(self): @@ -184,10 +180,10 @@ class CrawlTestCase(TestCase): crawler = get_crawler(BrokenStartRequestsSpider) yield crawler.crawl(fail_yielding=1, mockserver=self.mockserver) - self.assertEqual(len(log.records), 1) + assert len(log.records) == 1 record = log.records[0] - self.assertIsNotNone(record.exc_info) - self.assertIs(record.exc_info[0], ZeroDivisionError) + assert record.exc_info is not None + assert record.exc_info[0] is ZeroDivisionError @defer.inlineCallbacks def test_start_requests_items(self): @@ -195,7 +191,7 @@ class CrawlTestCase(TestCase): crawler = get_crawler(StartRequestsItemSpider) yield crawler.crawl(mockserver=self.mockserver) - self.assertEqual(len(log.records), 0) + assert len(log.records) == 0 @defer.inlineCallbacks def test_start_requests_unsupported_output(self): @@ -203,23 +199,18 @@ class CrawlTestCase(TestCase): crawler = get_crawler(StartRequestsGoodAndBadOutput) yield crawler.crawl(mockserver=self.mockserver) - self.assertEqual(len(log.records), 2) - self.assertEqual( - log.records[0].msg, - ( - "Got 'data:,b' among start requests. Only requests and items " - "are supported. It will be ignored." - ), + assert len(log.records) == 2 + assert log.records[0].msg == ( + "Got 'data:,b' among start requests. Only requests and items " + "are supported. It will be ignored." ) - self.assertTrue( - re.match( - ( - r"^Got <object object at 0x[0-9a-fA-F]+> among start " - r"requests\. Only requests and items are supported\. It " - r"will be ignored\.$" - ), - log.records[1].msg, - ) + assert re.match( + ( + r"^Got <object object at 0x[0-9a-fA-F]+> among start " + r"requests\. Only requests and items are supported\. It " + r"will be ignored\.$" + ), + log.records[1].msg, ) @defer.inlineCallbacks @@ -227,10 +218,9 @@ class CrawlTestCase(TestCase): settings = {"CONCURRENT_REQUESTS": 1} crawler = get_crawler(BrokenStartRequestsSpider, settings) yield crawler.crawl(mockserver=self.mockserver) - self.assertTrue( - crawler.spider.seedsseen.index(None) < crawler.spider.seedsseen.index(99), - crawler.spider.seedsseen, - ) + assert crawler.spider.seedsseen.index(None) < crawler.spider.seedsseen.index( + 99 + ), crawler.spider.seedsseen @defer.inlineCallbacks def test_start_requests_dupes(self): @@ -239,7 +229,7 @@ class CrawlTestCase(TestCase): yield crawler.crawl( dont_filter=True, distinct_urls=2, dupe_factor=3, mockserver=self.mockserver ) - self.assertEqual(crawler.spider.visited, 6) + assert crawler.spider.visited == 6 crawler = get_crawler(DuplicateStartRequestsSpider, settings) yield crawler.crawl( @@ -248,7 +238,7 @@ class CrawlTestCase(TestCase): dupe_factor=4, mockserver=self.mockserver, ) - self.assertEqual(crawler.spider.visited, 3) + assert crawler.spider.visited == 3 @defer.inlineCallbacks def test_unbounded_response(self): @@ -282,7 +272,7 @@ with multiples lines yield crawler.crawl( self.mockserver.url(f"/raw?{query}"), mockserver=self.mockserver ) - self.assertEqual(str(log).count("Got response 200"), 1) + assert str(log).count("Got response 200") == 1 @defer.inlineCallbacks def test_retry_conn_lost(self): @@ -305,8 +295,8 @@ with multiples lines self._assert_retried(log) def _assert_retried(self, log): - self.assertEqual(str(log).count("Retrying"), 2) - self.assertEqual(str(log).count("Gave up retrying"), 1) + assert str(log).count("Retrying") == 2 + assert str(log).count("Gave up retrying") == 1 @defer.inlineCallbacks def test_referer_header(self): @@ -321,20 +311,20 @@ with multiples lines crawler = get_crawler(SingleRequestSpider) yield crawler.crawl(seed=req0, mockserver=self.mockserver) # basic asserts in case of weird communication errors - self.assertIn("responses", crawler.spider.meta) - self.assertNotIn("failures", crawler.spider.meta) + assert "responses" in crawler.spider.meta + assert "failures" not in crawler.spider.meta # start requests doesn't set Referer header echo0 = json.loads(to_unicode(crawler.spider.meta["responses"][2].body)) - self.assertNotIn("Referer", echo0["headers"]) + assert "Referer" not in echo0["headers"] # following request sets Referer to start request url echo1 = json.loads(to_unicode(crawler.spider.meta["responses"][1].body)) - self.assertEqual(echo1["headers"].get("Referer"), [req0.url]) + assert echo1["headers"].get("Referer") == [req0.url] # next request avoids Referer header echo2 = json.loads(to_unicode(crawler.spider.meta["responses"][2].body)) - self.assertNotIn("Referer", echo2["headers"]) + assert "Referer" not in echo2["headers"] # last request explicitly sets a Referer header echo3 = json.loads(to_unicode(crawler.spider.meta["responses"][3].body)) - self.assertEqual(echo3["headers"].get("Referer"), ["http://example.com"]) + assert echo3["headers"].get("Referer") == ["http://example.com"] @defer.inlineCallbacks def test_engine_status(self): @@ -349,10 +339,10 @@ with multiples lines yield crawler.crawl( seed=self.mockserver.url("/"), callback_func=cb, mockserver=self.mockserver ) - self.assertEqual(len(est), 1, est) + assert len(est) == 1, est s = dict(est[0]) - self.assertEqual(s["engine.spider.name"], crawler.spider.name) - self.assertEqual(s["len(engine.scraper.slot.active)"], 1) + assert s["engine.spider.name"] == crawler.spider.name + assert s["len(engine.scraper.slot.active)"] == 1 @defer.inlineCallbacks def test_format_engine_status(self): @@ -367,7 +357,7 @@ with multiples lines yield crawler.crawl( seed=self.mockserver.url("/"), callback_func=cb, mockserver=self.mockserver ) - self.assertEqual(len(est), 1, est) + assert len(est) == 1, est est = est[0].split("\n")[2:-2] # remove header & footer # convert to dict est = [x.split(":") for x in est] @@ -376,8 +366,8 @@ with multiples lines it = iter(est) s = dict(zip(it, it)) - self.assertEqual(s["engine.spider.name"], crawler.spider.name) - self.assertEqual(s["len(engine.scraper.slot.active)"], "1") + assert s["engine.spider.name"] == crawler.spider.name + assert s["len(engine.scraper.slot.active)"] == "1" @defer.inlineCallbacks def test_graceful_crawl_error_handling(self): @@ -398,7 +388,7 @@ with multiples lines crawler = get_crawler(FaultySpider) yield self.assertFailure(crawler.crawl(mockserver=self.mockserver), TestError) - self.assertFalse(crawler.crawling) + assert not crawler.crawling @defer.inlineCallbacks def test_open_spider_error_on_faulty_pipeline(self): @@ -414,7 +404,7 @@ with multiples lines ), ZeroDivisionError, ) - self.assertFalse(crawler.crawling) + assert not crawler.crawling @defer.inlineCallbacks def test_crawlerrunner_accepts_crawler(self): @@ -426,7 +416,7 @@ with multiples lines self.mockserver.url("/status?n=200"), mockserver=self.mockserver, ) - self.assertIn("Got response 200", str(log)) + assert "Got response 200" in str(log) @defer.inlineCallbacks def test_crawl_multiple(self): @@ -446,10 +436,10 @@ with multiples lines yield runner.join() self._assert_retried(log) - self.assertIn("Got response 200", str(log)) + assert "Got response 200" in str(log) -class CrawlSpiderTestCase(TestCase): +class TestCrawlSpider(TestCase): @classmethod def setUpClass(cls): cls.mockserver = MockServer() @@ -480,9 +470,9 @@ class CrawlSpiderTestCase(TestCase): with LogCapture() as log: yield crawler.crawl(mockserver=self.mockserver) - self.assertIn("[parse] status 200 (foo: None)", str(log)) - self.assertIn("[parse] status 201 (foo: None)", str(log)) - self.assertIn("[parse] status 202 (foo: bar)", str(log)) + assert "[parse] status 200 (foo: None)" in str(log) + assert "[parse] status 201 (foo: None)" in str(log) + assert "[parse] status 202 (foo: bar)" in str(log) @defer.inlineCallbacks def test_crawlspider_with_async_callback(self): @@ -490,9 +480,9 @@ class CrawlSpiderTestCase(TestCase): with LogCapture() as log: yield crawler.crawl(mockserver=self.mockserver) - self.assertIn("[parse_async] status 200 (foo: None)", str(log)) - self.assertIn("[parse_async] status 201 (foo: None)", str(log)) - self.assertIn("[parse_async] status 202 (foo: bar)", str(log)) + assert "[parse_async] status 200 (foo: None)" in str(log) + assert "[parse_async] status 201 (foo: None)" in str(log) + assert "[parse_async] status 202 (foo: bar)" in str(log) @defer.inlineCallbacks def test_crawlspider_with_async_generator_callback(self): @@ -500,9 +490,9 @@ class CrawlSpiderTestCase(TestCase): with LogCapture() as log: yield crawler.crawl(mockserver=self.mockserver) - self.assertIn("[parse_async_gen] status 200 (foo: None)", str(log)) - self.assertIn("[parse_async_gen] status 201 (foo: None)", str(log)) - self.assertIn("[parse_async_gen] status 202 (foo: bar)", str(log)) + assert "[parse_async_gen] status 200 (foo: None)" in str(log) + assert "[parse_async_gen] status 201 (foo: None)" in str(log) + assert "[parse_async_gen] status 202 (foo: bar)" in str(log) @defer.inlineCallbacks def test_crawlspider_with_errback(self): @@ -510,12 +500,12 @@ class CrawlSpiderTestCase(TestCase): with LogCapture() as log: yield crawler.crawl(mockserver=self.mockserver) - self.assertIn("[parse] status 200 (foo: None)", str(log)) - self.assertIn("[parse] status 201 (foo: None)", str(log)) - self.assertIn("[parse] status 202 (foo: bar)", str(log)) - self.assertIn("[errback] status 404", str(log)) - self.assertIn("[errback] status 500", str(log)) - self.assertIn("[errback] status 501", str(log)) + assert "[parse] status 200 (foo: None)" in str(log) + assert "[parse] status 201 (foo: None)" in str(log) + assert "[parse] status 202 (foo: bar)" in str(log) + assert "[errback] status 404" in str(log) + assert "[errback] status 500" in str(log) + assert "[errback] status 501" in str(log) @defer.inlineCallbacks def test_crawlspider_process_request_cb_kwargs(self): @@ -523,9 +513,9 @@ class CrawlSpiderTestCase(TestCase): with LogCapture() as log: yield crawler.crawl(mockserver=self.mockserver) - self.assertIn("[parse] status 200 (foo: process_request)", str(log)) - self.assertIn("[parse] status 201 (foo: process_request)", str(log)) - self.assertIn("[parse] status 202 (foo: bar)", str(log)) + assert "[parse] status 200 (foo: process_request)" in str(log) + assert "[parse] status 201 (foo: process_request)" in str(log) + assert "[parse] status 202 (foo: bar)" in str(log) @defer.inlineCallbacks def test_async_def_parse(self): @@ -534,7 +524,7 @@ class CrawlSpiderTestCase(TestCase): yield crawler.crawl( self.mockserver.url("/status?n=200"), mockserver=self.mockserver ) - self.assertIn("Got response 200", str(log)) + assert "Got response 200" in str(log) @pytest.mark.only_asyncio @defer.inlineCallbacks @@ -549,15 +539,15 @@ class CrawlSpiderTestCase(TestCase): yield crawler.crawl( self.mockserver.url("/status?n=200"), mockserver=self.mockserver ) - self.assertIn("Got response 200", str(log)) + assert "Got response 200" in str(log) @pytest.mark.only_asyncio @defer.inlineCallbacks def test_async_def_asyncio_parse_items_list(self): log, items, _ = yield self._run_spider(AsyncDefAsyncioReturnSpider) - self.assertIn("Got response 200", str(log)) - self.assertIn({"id": 1}, items) - self.assertIn({"id": 2}, items) + assert "Got response 200" in str(log) + assert {"id": 1} in items + assert {"id": 2} in items @pytest.mark.only_asyncio @defer.inlineCallbacks @@ -573,81 +563,81 @@ class CrawlSpiderTestCase(TestCase): yield crawler.crawl( self.mockserver.url("/status?n=200"), mockserver=self.mockserver ) - self.assertIn("Got response 200", str(log)) - self.assertIn({"foo": 42}, items) + assert "Got response 200" in str(log) + assert {"foo": 42} in items @pytest.mark.only_asyncio @defer.inlineCallbacks def test_async_def_asyncgen_parse(self): log, _, stats = yield self._run_spider(AsyncDefAsyncioGenSpider) - self.assertIn("Got response 200", str(log)) + assert "Got response 200" in str(log) itemcount = stats.get_value("item_scraped_count") - self.assertEqual(itemcount, 1) + assert itemcount == 1 @pytest.mark.only_asyncio @defer.inlineCallbacks def test_async_def_asyncgen_parse_loop(self): log, items, stats = yield self._run_spider(AsyncDefAsyncioGenLoopSpider) - self.assertIn("Got response 200", str(log)) + assert "Got response 200" in str(log) itemcount = stats.get_value("item_scraped_count") - self.assertEqual(itemcount, 10) + assert itemcount == 10 for i in range(10): - self.assertIn({"foo": i}, items) + assert {"foo": i} in items @pytest.mark.only_asyncio @defer.inlineCallbacks def test_async_def_asyncgen_parse_exc(self): log, items, stats = yield self._run_spider(AsyncDefAsyncioGenExcSpider) log = str(log) - self.assertIn("Spider error processing", log) - self.assertIn("ValueError", log) + assert "Spider error processing" in log + assert "ValueError" in log itemcount = stats.get_value("item_scraped_count") - self.assertEqual(itemcount, 7) + assert itemcount == 7 for i in range(7): - self.assertIn({"foo": i}, items) + assert {"foo": i} in items @pytest.mark.only_asyncio @defer.inlineCallbacks def test_async_def_asyncgen_parse_complex(self): _, items, stats = yield self._run_spider(AsyncDefAsyncioGenComplexSpider) itemcount = stats.get_value("item_scraped_count") - self.assertEqual(itemcount, 156) + assert itemcount == 156 # some random items for i in [1, 4, 21, 22, 207, 311]: - self.assertIn({"index": i}, items) + assert {"index": i} in items for i in [10, 30, 122]: - self.assertIn({"index2": i}, items) + assert {"index2": i} in items @pytest.mark.only_asyncio @defer.inlineCallbacks def test_async_def_asyncio_parse_reqs_list(self): log, *_ = yield self._run_spider(AsyncDefAsyncioReqsReturnSpider) for req_id in range(3): - self.assertIn(f"Got response 200, req_id {req_id}", str(log)) + assert f"Got response 200, req_id {req_id}" in str(log) @pytest.mark.only_not_asyncio @defer.inlineCallbacks def test_async_def_deferred_direct(self): _, items, _ = yield self._run_spider(AsyncDefDeferredDirectSpider) - self.assertEqual(items, [{"code": 200}]) + assert items == [{"code": 200}] @pytest.mark.only_asyncio @defer.inlineCallbacks def test_async_def_deferred_wrapped(self): log, items, _ = yield self._run_spider(AsyncDefDeferredWrappedSpider) - self.assertEqual(items, [{"code": 200}]) + assert items == [{"code": 200}] @defer.inlineCallbacks def test_async_def_deferred_maybe_wrapped(self): _, items, _ = yield self._run_spider(AsyncDefDeferredMaybeWrappedSpider) - self.assertEqual(items, [{"code": 200}]) + assert items == [{"code": 200}] @defer.inlineCallbacks def test_response_ssl_certificate_none(self): crawler = get_crawler(SingleRequestSpider) url = self.mockserver.url("/echo?body=test", is_secure=False) yield crawler.crawl(seed=url, mockserver=self.mockserver) - self.assertIsNone(crawler.spider.meta["responses"][0].certificate) + assert crawler.spider.meta["responses"][0].certificate is None @defer.inlineCallbacks def test_response_ssl_certificate(self): @@ -655,9 +645,9 @@ class CrawlSpiderTestCase(TestCase): url = self.mockserver.url("/echo?body=test", is_secure=True) yield crawler.crawl(seed=url, mockserver=self.mockserver) cert = crawler.spider.meta["responses"][0].certificate - self.assertIsInstance(cert, Certificate) - self.assertEqual(cert.getSubject().commonName, b"localhost") - self.assertEqual(cert.getIssuer().commonName, b"localhost") + assert isinstance(cert, Certificate) + assert cert.getSubject().commonName == b"localhost" + assert cert.getIssuer().commonName == b"localhost" @pytest.mark.xfail( reason="Responses with no body return early and contain no certificate" @@ -668,9 +658,9 @@ class CrawlSpiderTestCase(TestCase): url = self.mockserver.url("/status?n=200", is_secure=True) yield crawler.crawl(seed=url, mockserver=self.mockserver) cert = crawler.spider.meta["responses"][0].certificate - self.assertIsInstance(cert, Certificate) - self.assertEqual(cert.getSubject().commonName, b"localhost") - self.assertEqual(cert.getIssuer().commonName, b"localhost") + assert isinstance(cert, Certificate) + assert cert.getSubject().commonName == b"localhost" + assert cert.getIssuer().commonName == b"localhost" @defer.inlineCallbacks def test_dns_server_ip_address_none(self): @@ -678,7 +668,7 @@ class CrawlSpiderTestCase(TestCase): url = self.mockserver.url("/status?n=200") yield crawler.crawl(seed=url, mockserver=self.mockserver) ip_address = crawler.spider.meta["responses"][0].ip_address - self.assertIsNone(ip_address) + assert ip_address is None @defer.inlineCallbacks def test_dns_server_ip_address(self): @@ -687,61 +677,57 @@ class CrawlSpiderTestCase(TestCase): expected_netloc, _ = urlparse(url).netloc.split(":") yield crawler.crawl(seed=url, mockserver=self.mockserver) ip_address = crawler.spider.meta["responses"][0].ip_address - self.assertIsInstance(ip_address, IPv4Address) - self.assertEqual(str(ip_address), gethostbyname(expected_netloc)) + assert isinstance(ip_address, IPv4Address) + assert str(ip_address) == gethostbyname(expected_netloc) @defer.inlineCallbacks def test_bytes_received_stop_download_callback(self): crawler = get_crawler(BytesReceivedCallbackSpider) yield crawler.crawl(mockserver=self.mockserver) - self.assertIsNone(crawler.spider.meta.get("failure")) - self.assertIsInstance(crawler.spider.meta["response"], Response) - self.assertEqual( - crawler.spider.meta["response"].body, - crawler.spider.meta.get("bytes_received"), + assert crawler.spider.meta.get("failure") is None + assert isinstance(crawler.spider.meta["response"], Response) + assert crawler.spider.meta["response"].body == crawler.spider.meta.get( + "bytes_received" ) - self.assertLess( - len(crawler.spider.meta["response"].body), - crawler.spider.full_response_length, + assert ( + len(crawler.spider.meta["response"].body) + < crawler.spider.full_response_length ) @defer.inlineCallbacks def test_bytes_received_stop_download_errback(self): crawler = get_crawler(BytesReceivedErrbackSpider) yield crawler.crawl(mockserver=self.mockserver) - self.assertIsNone(crawler.spider.meta.get("response")) - self.assertIsInstance(crawler.spider.meta["failure"], Failure) - self.assertIsInstance(crawler.spider.meta["failure"].value, StopDownload) - self.assertIsInstance(crawler.spider.meta["failure"].value.response, Response) - self.assertEqual( - crawler.spider.meta["failure"].value.response.body, - crawler.spider.meta.get("bytes_received"), - ) - self.assertLess( - len(crawler.spider.meta["failure"].value.response.body), - crawler.spider.full_response_length, + assert crawler.spider.meta.get("response") is None + assert isinstance(crawler.spider.meta["failure"], Failure) + assert isinstance(crawler.spider.meta["failure"].value, StopDownload) + assert isinstance(crawler.spider.meta["failure"].value.response, Response) + assert crawler.spider.meta[ + "failure" + ].value.response.body == crawler.spider.meta.get("bytes_received") + assert ( + len(crawler.spider.meta["failure"].value.response.body) + < crawler.spider.full_response_length ) @defer.inlineCallbacks def test_headers_received_stop_download_callback(self): crawler = get_crawler(HeadersReceivedCallbackSpider) yield crawler.crawl(mockserver=self.mockserver) - self.assertIsNone(crawler.spider.meta.get("failure")) - self.assertIsInstance(crawler.spider.meta["response"], Response) - self.assertEqual( - crawler.spider.meta["response"].headers, - crawler.spider.meta.get("headers_received"), + assert crawler.spider.meta.get("failure") is None + assert isinstance(crawler.spider.meta["response"], Response) + assert crawler.spider.meta["response"].headers == crawler.spider.meta.get( + "headers_received" ) @defer.inlineCallbacks def test_headers_received_stop_download_errback(self): crawler = get_crawler(HeadersReceivedErrbackSpider) yield crawler.crawl(mockserver=self.mockserver) - self.assertIsNone(crawler.spider.meta.get("response")) - self.assertIsInstance(crawler.spider.meta["failure"], Failure) - self.assertIsInstance(crawler.spider.meta["failure"].value, StopDownload) - self.assertIsInstance(crawler.spider.meta["failure"].value.response, Response) - self.assertEqual( - crawler.spider.meta["failure"].value.response.headers, - crawler.spider.meta.get("headers_received"), - ) + assert crawler.spider.meta.get("response") is None + assert isinstance(crawler.spider.meta["failure"], Failure) + assert isinstance(crawler.spider.meta["failure"].value, StopDownload) + assert isinstance(crawler.spider.meta["failure"].value.response, Response) + assert crawler.spider.meta[ + "failure" + ].value.response.headers == crawler.spider.meta.get("headers_received") diff --git a/tests/test_crawler.py b/tests/test_crawler.py index df5ebfa7b..0bbcc0843 100644 --- a/tests/test_crawler.py +++ b/tests/test_crawler.py @@ -39,13 +39,13 @@ def get_raw_crawler(spidercls=None, settings_dict=None): return Crawler(spidercls or DefaultSpider, settings) -class BaseCrawlerTest(unittest.TestCase): +class TestBaseCrawler(unittest.TestCase): def assertOptionIsDefault(self, settings, key): - self.assertIsInstance(settings, Settings) - self.assertEqual(settings[key], getattr(default_settings, key)) + assert isinstance(settings, Settings) + assert settings[key] == getattr(default_settings, key) -class CrawlerTestCase(BaseCrawlerTest): +class TestCrawler(TestBaseCrawler): def test_populate_spidercls_settings(self): spider_settings = {"TEST1": "spider", "TEST2": "spider"} project_settings = {**BASE_SETTINGS, "TEST1": "project", "TEST3": "project"} @@ -58,16 +58,16 @@ class CrawlerTestCase(BaseCrawlerTest): crawler = Crawler(CustomSettingsSpider, settings) crawler._apply_settings() - self.assertEqual(crawler.settings.get("TEST1"), "spider") - self.assertEqual(crawler.settings.get("TEST2"), "spider") - self.assertEqual(crawler.settings.get("TEST3"), "project") + assert crawler.settings.get("TEST1") == "spider" + assert crawler.settings.get("TEST2") == "spider" + assert crawler.settings.get("TEST3") == "project" - self.assertFalse(settings.frozen) - self.assertTrue(crawler.settings.frozen) + assert not settings.frozen + assert crawler.settings.frozen def test_crawler_accepts_dict(self): crawler = get_crawler(DefaultSpider, {"foo": "bar"}) - self.assertEqual(crawler.settings["foo"], "bar") + assert crawler.settings["foo"] == "bar" self.assertOptionIsDefault(crawler.settings, "RETRY_ENABLED") def test_crawler_accepts_None(self): @@ -107,23 +107,23 @@ class CrawlerTestCase(BaseCrawlerTest): }, } crawler = get_crawler(settings_dict=settings) - self.assertEqual(len(TrackingAddon.instances), 1) + assert len(TrackingAddon.instances) == 1 expected = TrackingAddon.instances[-1] addon = crawler.get_addon(TrackingAddon) - self.assertEqual(addon, expected) + assert addon == expected addon = crawler.get_addon(DefaultSpider) - self.assertIsNone(addon) + assert addon is None addon = crawler.get_addon(ParentAddon) - self.assertEqual(addon, expected) + assert addon == expected class ChildAddon(TrackingAddon): pass addon = crawler.get_addon(ChildAddon) - self.assertIsNone(addon) + assert addon is None @inlineCallbacks def test_get_downloader_middleware(self): @@ -162,18 +162,18 @@ class CrawlerTestCase(BaseCrawlerTest): crawler = get_raw_crawler(MySpider, settings) MySpider.cls = TrackingDownloaderMiddleware yield crawler.crawl() - self.assertEqual(len(TrackingDownloaderMiddleware.instances), 1) - self.assertEqual(MySpider.result, TrackingDownloaderMiddleware.instances[-1]) + assert len(TrackingDownloaderMiddleware.instances) == 1 + assert MySpider.result == TrackingDownloaderMiddleware.instances[-1] crawler = get_raw_crawler(MySpider, settings) MySpider.cls = DefaultSpider yield crawler.crawl() - self.assertIsNone(MySpider.result) + assert MySpider.result is None crawler = get_raw_crawler(MySpider, settings) MySpider.cls = ParentDownloaderMiddleware yield crawler.crawl() - self.assertEqual(MySpider.result, TrackingDownloaderMiddleware.instances[-1]) + assert MySpider.result == TrackingDownloaderMiddleware.instances[-1] class ChildDownloaderMiddleware(TrackingDownloaderMiddleware): pass @@ -181,7 +181,7 @@ class CrawlerTestCase(BaseCrawlerTest): crawler = get_raw_crawler(MySpider, settings) MySpider.cls = ChildDownloaderMiddleware yield crawler.crawl() - self.assertIsNone(MySpider.result) + assert MySpider.result is None def test_get_downloader_middleware_not_crawling(self): crawler = get_raw_crawler(settings_dict=BASE_SETTINGS) @@ -242,18 +242,18 @@ class CrawlerTestCase(BaseCrawlerTest): crawler = get_raw_crawler(MySpider, settings) MySpider.cls = TrackingExtension yield crawler.crawl() - self.assertEqual(len(TrackingExtension.instances), 1) - self.assertEqual(MySpider.result, TrackingExtension.instances[-1]) + assert len(TrackingExtension.instances) == 1 + assert MySpider.result == TrackingExtension.instances[-1] crawler = get_raw_crawler(MySpider, settings) MySpider.cls = DefaultSpider yield crawler.crawl() - self.assertIsNone(MySpider.result) + assert MySpider.result is None crawler = get_raw_crawler(MySpider, settings) MySpider.cls = ParentExtension yield crawler.crawl() - self.assertEqual(MySpider.result, TrackingExtension.instances[-1]) + assert MySpider.result == TrackingExtension.instances[-1] class ChildExtension(TrackingExtension): pass @@ -261,7 +261,7 @@ class CrawlerTestCase(BaseCrawlerTest): crawler = get_raw_crawler(MySpider, settings) MySpider.cls = ChildExtension yield crawler.crawl() - self.assertIsNone(MySpider.result) + assert MySpider.result is None def test_get_extension_not_crawling(self): crawler = get_raw_crawler(settings_dict=BASE_SETTINGS) @@ -322,18 +322,18 @@ class CrawlerTestCase(BaseCrawlerTest): crawler = get_raw_crawler(MySpider, settings) MySpider.cls = TrackingItemPipeline yield crawler.crawl() - self.assertEqual(len(TrackingItemPipeline.instances), 1) - self.assertEqual(MySpider.result, TrackingItemPipeline.instances[-1]) + assert len(TrackingItemPipeline.instances) == 1 + assert MySpider.result == TrackingItemPipeline.instances[-1] crawler = get_raw_crawler(MySpider, settings) MySpider.cls = DefaultSpider yield crawler.crawl() - self.assertIsNone(MySpider.result) + assert MySpider.result is None crawler = get_raw_crawler(MySpider, settings) MySpider.cls = ParentItemPipeline yield crawler.crawl() - self.assertEqual(MySpider.result, TrackingItemPipeline.instances[-1]) + assert MySpider.result == TrackingItemPipeline.instances[-1] class ChildItemPipeline(TrackingItemPipeline): pass @@ -341,7 +341,7 @@ class CrawlerTestCase(BaseCrawlerTest): crawler = get_raw_crawler(MySpider, settings) MySpider.cls = ChildItemPipeline yield crawler.crawl() - self.assertIsNone(MySpider.result) + assert MySpider.result is None def test_get_item_pipeline_not_crawling(self): crawler = get_raw_crawler(settings_dict=BASE_SETTINGS) @@ -402,18 +402,18 @@ class CrawlerTestCase(BaseCrawlerTest): crawler = get_raw_crawler(MySpider, settings) MySpider.cls = TrackingSpiderMiddleware yield crawler.crawl() - self.assertEqual(len(TrackingSpiderMiddleware.instances), 1) - self.assertEqual(MySpider.result, TrackingSpiderMiddleware.instances[-1]) + assert len(TrackingSpiderMiddleware.instances) == 1 + assert MySpider.result == TrackingSpiderMiddleware.instances[-1] crawler = get_raw_crawler(MySpider, settings) MySpider.cls = DefaultSpider yield crawler.crawl() - self.assertIsNone(MySpider.result) + assert MySpider.result is None crawler = get_raw_crawler(MySpider, settings) MySpider.cls = ParentSpiderMiddleware yield crawler.crawl() - self.assertEqual(MySpider.result, TrackingSpiderMiddleware.instances[-1]) + assert MySpider.result == TrackingSpiderMiddleware.instances[-1] class ChildSpiderMiddleware(TrackingSpiderMiddleware): pass @@ -421,7 +421,7 @@ class CrawlerTestCase(BaseCrawlerTest): crawler = get_raw_crawler(MySpider, settings) MySpider.cls = ChildSpiderMiddleware yield crawler.crawl() - self.assertIsNone(MySpider.result) + assert MySpider.result is None def test_get_spider_middleware_not_crawling(self): crawler = get_raw_crawler(settings_dict=BASE_SETTINGS) @@ -446,7 +446,7 @@ class CrawlerTestCase(BaseCrawlerTest): yield crawler.crawl() -class SpiderSettingsTestCase(unittest.TestCase): +class TestSpiderSettings: def test_spider_custom_settings(self): class MySpider(scrapy.Spider): name = "spider" @@ -454,10 +454,10 @@ class SpiderSettingsTestCase(unittest.TestCase): crawler = get_crawler(MySpider) enabled_exts = [e.__class__ for e in crawler.extensions.middlewares] - self.assertIn(AutoThrottle, enabled_exts) + assert AutoThrottle in enabled_exts -class CrawlerLoggingTestCase(unittest.TestCase): +class TestCrawlerLogging: def test_no_root_handler_installed(self): handler = get_scrapy_root_handler() if handler is not None: @@ -469,8 +469,8 @@ class CrawlerLoggingTestCase(unittest.TestCase): get_crawler(MySpider) assert get_scrapy_root_handler() is None - def test_spider_custom_settings_log_level(self): - log_file = Path(self.mktemp()) + def test_spider_custom_settings_log_level(self, tmp_path): + log_file = Path(tmp_path, "log.txt") log_file.write_text("previous message\n", encoding="utf-8") class MySpider(scrapy.Spider): @@ -481,9 +481,9 @@ class CrawlerLoggingTestCase(unittest.TestCase): } configure_logging() - self.assertEqual(get_scrapy_root_handler().level, logging.DEBUG) + assert get_scrapy_root_handler().level == logging.DEBUG crawler = get_crawler(MySpider) - self.assertEqual(get_scrapy_root_handler().level, logging.INFO) + assert get_scrapy_root_handler().level == logging.INFO info_count = crawler.stats.get_value("log_count/INFO") logging.debug("debug message") logging.info("info message") @@ -492,18 +492,18 @@ class CrawlerLoggingTestCase(unittest.TestCase): logged = log_file.read_text(encoding="utf-8") - self.assertIn("previous message", logged) - self.assertNotIn("debug message", logged) - self.assertIn("info message", logged) - self.assertIn("warning message", logged) - self.assertIn("error message", logged) - self.assertEqual(crawler.stats.get_value("log_count/ERROR"), 1) - self.assertEqual(crawler.stats.get_value("log_count/WARNING"), 1) - self.assertEqual(crawler.stats.get_value("log_count/INFO") - info_count, 1) - self.assertEqual(crawler.stats.get_value("log_count/DEBUG", 0), 0) + assert "previous message" in logged + assert "debug message" not in logged + assert "info message" in logged + assert "warning message" in logged + assert "error message" in logged + assert crawler.stats.get_value("log_count/ERROR") == 1 + assert crawler.stats.get_value("log_count/WARNING") == 1 + assert crawler.stats.get_value("log_count/INFO") - info_count == 1 + assert crawler.stats.get_value("log_count/DEBUG", 0) == 0 - def test_spider_custom_settings_log_append(self): - log_file = Path(self.mktemp()) + def test_spider_custom_settings_log_append(self, tmp_path): + log_file = Path(tmp_path, "log.txt") log_file.write_text("previous message\n", encoding="utf-8") class MySpider(scrapy.Spider): @@ -519,8 +519,8 @@ class CrawlerLoggingTestCase(unittest.TestCase): logged = log_file.read_text(encoding="utf-8") - self.assertNotIn("previous message", logged) - self.assertIn("debug message", logged) + assert "previous message" not in logged + assert "debug message" in logged class SpiderLoaderWithWrongInterface: @@ -532,7 +532,7 @@ class CustomSpiderLoader(SpiderLoader): pass -class CrawlerRunnerTestCase(BaseCrawlerTest): +class TestCrawlerRunner(TestBaseCrawler): def test_spider_manager_verify_interface(self): settings = Settings( { @@ -544,7 +544,7 @@ class CrawlerRunnerTestCase(BaseCrawlerTest): def test_crawler_runner_accepts_dict(self): runner = CrawlerRunner({"foo": "bar"}) - self.assertEqual(runner.settings["foo"], "bar") + assert runner.settings["foo"] == "bar" self.assertOptionIsDefault(runner.settings, "RETRY_ENABLED") def test_crawler_runner_accepts_None(self): @@ -552,10 +552,10 @@ class CrawlerRunnerTestCase(BaseCrawlerTest): self.assertOptionIsDefault(runner.settings, "RETRY_ENABLED") -class CrawlerProcessTest(BaseCrawlerTest): +class TestCrawlerProcess(TestBaseCrawler): def test_crawler_process_accepts_dict(self): runner = CrawlerProcess({"foo": "bar"}) - self.assertEqual(runner.settings["foo"], "bar") + assert runner.settings["foo"] == "bar" self.assertOptionIsDefault(runner.settings, "RETRY_ENABLED") def test_crawler_process_accepts_None(self): @@ -579,7 +579,7 @@ class NoRequestsSpider(scrapy.Spider): @pytest.mark.usefixtures("reactor_pytest") -class CrawlerRunnerHasSpider(unittest.TestCase): +class TestCrawlerRunnerHasSpider(unittest.TestCase): def _runner(self): return CrawlerRunner() @@ -587,14 +587,14 @@ class CrawlerRunnerHasSpider(unittest.TestCase): def test_crawler_runner_bootstrap_successful(self): runner = self._runner() yield runner.crawl(NoRequestsSpider) - self.assertFalse(runner.bootstrap_failed) + assert not runner.bootstrap_failed @inlineCallbacks def test_crawler_runner_bootstrap_successful_for_several(self): runner = self._runner() yield runner.crawl(NoRequestsSpider) yield runner.crawl(NoRequestsSpider) - self.assertFalse(runner.bootstrap_failed) + assert not runner.bootstrap_failed @inlineCallbacks def test_crawler_runner_bootstrap_failed(self): @@ -605,9 +605,9 @@ class CrawlerRunnerHasSpider(unittest.TestCase): except ValueError: pass else: - self.fail("Exception should be raised from spider") + pytest.fail("Exception should be raised from spider") - self.assertTrue(runner.bootstrap_failed) + assert runner.bootstrap_failed @inlineCallbacks def test_crawler_runner_bootstrap_failed_for_several(self): @@ -618,11 +618,11 @@ class CrawlerRunnerHasSpider(unittest.TestCase): except ValueError: pass else: - self.fail("Exception should be raised from spider") + pytest.fail("Exception should be raised from spider") yield runner.crawl(NoRequestsSpider) - self.assertTrue(runner.bootstrap_failed) + assert runner.bootstrap_failed @inlineCallbacks def test_crawler_runner_asyncio_enabled_true(self): @@ -664,31 +664,34 @@ class ScriptRunnerMixin: return stderr.decode("utf-8") -class CrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): +class TestCrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): script_dir = Path(__file__).parent.resolve() / "CrawlerProcess" def test_simple(self): log = self.run_script("simple.py") - self.assertIn("Spider closed (finished)", log) - self.assertNotIn( - "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor", log + assert "Spider closed (finished)" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + not in log ) def test_multi(self): log = self.run_script("multi.py") - self.assertIn("Spider closed (finished)", log) - self.assertNotIn( - "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor", log + assert "Spider closed (finished)" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + not in log ) - self.assertNotIn("ReactorAlreadyInstalledError", log) + assert "ReactorAlreadyInstalledError" not in log def test_reactor_default(self): log = self.run_script("reactor_default.py") - self.assertIn("Spider closed (finished)", log) - self.assertNotIn( - "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor", log + assert "Spider closed (finished)" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + not in log ) - self.assertNotIn("ReactorAlreadyInstalledError", log) + assert "ReactorAlreadyInstalledError" not in log def test_reactor_default_twisted_reactor_select(self): log = self.run_script("reactor_default_twisted_reactor_select.py") @@ -703,50 +706,46 @@ class CrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): # If that ever becomes the case on more platforms (i.e. if Linux # also starts using the select reactor by default in a future # version of Twisted), then we will need to rethink this test. - self.assertIn("Spider closed (finished)", log) + assert "Spider closed (finished)" in log else: - self.assertNotIn("Spider closed (finished)", log) - self.assertIn( - ( - "does not match the requested one " - "(twisted.internet.selectreactor.SelectReactor)" - ), - log, - ) + assert "Spider closed (finished)" not in log + assert ( + "does not match the requested one " + "(twisted.internet.selectreactor.SelectReactor)" + ) in log def test_reactor_select(self): log = self.run_script("reactor_select.py") - self.assertIn("Spider closed (finished)", log) - self.assertNotIn("ReactorAlreadyInstalledError", log) + assert "Spider closed (finished)" in log + assert "ReactorAlreadyInstalledError" not in log def test_reactor_select_twisted_reactor_select(self): log = self.run_script("reactor_select_twisted_reactor_select.py") - self.assertIn("Spider closed (finished)", log) - self.assertNotIn("ReactorAlreadyInstalledError", log) + assert "Spider closed (finished)" in log + assert "ReactorAlreadyInstalledError" not in log def test_reactor_select_subclass_twisted_reactor_select(self): log = self.run_script("reactor_select_subclass_twisted_reactor_select.py") - self.assertNotIn("Spider closed (finished)", log) - self.assertIn( - ( - "does not match the requested one " - "(twisted.internet.selectreactor.SelectReactor)" - ), - log, - ) + assert "Spider closed (finished)" not in log + assert ( + "does not match the requested one " + "(twisted.internet.selectreactor.SelectReactor)" + ) in log def test_asyncio_enabled_no_reactor(self): log = self.run_script("asyncio_enabled_no_reactor.py") - self.assertIn("Spider closed (finished)", log) - self.assertIn( - "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor", log + assert "Spider closed (finished)" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + in log ) def test_asyncio_enabled_reactor(self): log = self.run_script("asyncio_enabled_reactor.py") - self.assertIn("Spider closed (finished)", log) - self.assertIn( - "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor", log + assert "Spider closed (finished)" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + in log ) @pytest.mark.skipif( @@ -755,129 +754,129 @@ class CrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): ) def test_ipv6_default_name_resolver(self): log = self.run_script("default_name_resolver.py") - self.assertIn("Spider closed (finished)", log) - self.assertIn( - "'downloader/exception_type_count/twisted.internet.error.DNSLookupError': 1,", - log, + assert "Spider closed (finished)" in log + assert ( + "'downloader/exception_type_count/twisted.internet.error.DNSLookupError': 1," + in log ) - self.assertIn( - "twisted.internet.error.DNSLookupError: DNS lookup failed: no results for hostname lookup: ::1.", - log, + assert ( + "twisted.internet.error.DNSLookupError: DNS lookup failed: no results for hostname lookup: ::1." + in log ) def test_caching_hostname_resolver_ipv6(self): log = self.run_script("caching_hostname_resolver_ipv6.py") - self.assertIn("Spider closed (finished)", log) - self.assertNotIn("twisted.internet.error.DNSLookupError", log) + assert "Spider closed (finished)" in log + assert "twisted.internet.error.DNSLookupError" not in log def test_caching_hostname_resolver_finite_execution(self): with MockServer() as mock_server: http_address = mock_server.http_address.replace("0.0.0.0", "127.0.0.1") log = self.run_script("caching_hostname_resolver.py", http_address) - self.assertIn("Spider closed (finished)", log) - self.assertNotIn("ERROR: Error downloading", log) - self.assertNotIn("TimeoutError", log) - self.assertNotIn("twisted.internet.error.DNSLookupError", log) + assert "Spider closed (finished)" in log + assert "ERROR: Error downloading" not in log + assert "TimeoutError" not in log + assert "twisted.internet.error.DNSLookupError" not in log def test_twisted_reactor_select(self): log = self.run_script("twisted_reactor_select.py") - self.assertIn("Spider closed (finished)", log) - self.assertIn( - "Using reactor: twisted.internet.selectreactor.SelectReactor", log - ) + assert "Spider closed (finished)" in log + assert "Using reactor: twisted.internet.selectreactor.SelectReactor" in log @pytest.mark.skipif( platform.system() == "Windows", reason="PollReactor is not supported on Windows" ) def test_twisted_reactor_poll(self): log = self.run_script("twisted_reactor_poll.py") - self.assertIn("Spider closed (finished)", log) - self.assertIn("Using reactor: twisted.internet.pollreactor.PollReactor", log) + assert "Spider closed (finished)" in log + assert "Using reactor: twisted.internet.pollreactor.PollReactor" in log def test_twisted_reactor_asyncio(self): log = self.run_script("twisted_reactor_asyncio.py") - self.assertIn("Spider closed (finished)", log) - self.assertIn( - "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor", log + assert "Spider closed (finished)" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + in log ) def test_twisted_reactor_asyncio_custom_settings(self): log = self.run_script("twisted_reactor_custom_settings.py") - self.assertIn("Spider closed (finished)", log) - self.assertIn( - "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor", log + assert "Spider closed (finished)" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + in log ) def test_twisted_reactor_asyncio_custom_settings_same(self): log = self.run_script("twisted_reactor_custom_settings_same.py") - self.assertIn("Spider closed (finished)", log) - self.assertIn( - "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor", log + assert "Spider closed (finished)" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + in log ) def test_twisted_reactor_asyncio_custom_settings_conflict(self): log = self.run_script("twisted_reactor_custom_settings_conflict.py") - self.assertIn( - "Using reactor: twisted.internet.selectreactor.SelectReactor", log - ) - self.assertIn( - "(twisted.internet.selectreactor.SelectReactor) does not match the requested one", - log, + assert "Using reactor: twisted.internet.selectreactor.SelectReactor" in log + assert ( + "(twisted.internet.selectreactor.SelectReactor) does not match the requested one" + in log ) @pytest.mark.requires_uvloop def test_custom_loop_asyncio(self): log = self.run_script("asyncio_custom_loop.py") - self.assertIn("Spider closed (finished)", log) - self.assertIn( - "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor", log + assert "Spider closed (finished)" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + in log ) - self.assertIn("Using asyncio event loop: uvloop.Loop", log) + assert "Using asyncio event loop: uvloop.Loop" in log @pytest.mark.requires_uvloop def test_custom_loop_asyncio_deferred_signal(self): log = self.run_script("asyncio_deferred_signal.py", "uvloop.Loop") - self.assertIn("Spider closed (finished)", log) - self.assertIn( - "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor", log + assert "Spider closed (finished)" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + in log ) - self.assertIn("Using asyncio event loop: uvloop.Loop", log) - self.assertIn("async pipeline opened!", log) + assert "Using asyncio event loop: uvloop.Loop" in log + assert "async pipeline opened!" in log @pytest.mark.requires_uvloop def test_asyncio_enabled_reactor_same_loop(self): log = self.run_script("asyncio_enabled_reactor_same_loop.py") - self.assertIn("Spider closed (finished)", log) - self.assertIn( - "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor", log + assert "Spider closed (finished)" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + in log ) - self.assertIn("Using asyncio event loop: uvloop.Loop", log) + assert "Using asyncio event loop: uvloop.Loop" in log @pytest.mark.requires_uvloop def test_asyncio_enabled_reactor_different_loop(self): log = self.run_script("asyncio_enabled_reactor_different_loop.py") - self.assertNotIn("Spider closed (finished)", log) - self.assertIn( - ( - "does not match the one specified in the ASYNCIO_EVENT_LOOP " - "setting (uvloop.Loop)" - ), - log, - ) + assert "Spider closed (finished)" not in log + assert ( + "does not match the one specified in the ASYNCIO_EVENT_LOOP " + "setting (uvloop.Loop)" + ) in log def test_default_loop_asyncio_deferred_signal(self): log = self.run_script("asyncio_deferred_signal.py") - self.assertIn("Spider closed (finished)", log) - self.assertIn( - "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor", log + assert "Spider closed (finished)" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + in log ) - self.assertNotIn("Using asyncio event loop: uvloop.Loop", log) - self.assertIn("async pipeline opened!", log) + assert "Using asyncio event loop: uvloop.Loop" not in log + assert "async pipeline opened!" in log def test_args_change_settings(self): log = self.run_script("args_settings.py") - self.assertIn("Spider closed (finished)", log) - self.assertIn("The value of FOO is 42", log) + assert "Spider closed (finished)" in log + assert "The value of FOO is 42" in log def test_shutdown_graceful(self): sig = signal.SIGINT if sys.platform != "win32" else signal.SIGBREAK @@ -910,23 +909,23 @@ class CrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): p.wait() -class CrawlerRunnerSubprocess(ScriptRunnerMixin, unittest.TestCase): +class TestCrawlerRunnerSubprocess(ScriptRunnerMixin): script_dir = Path(__file__).parent.resolve() / "CrawlerRunner" def test_response_ip_address(self): log = self.run_script("ip_address.py") - self.assertIn("INFO: Spider closed (finished)", log) - self.assertIn("INFO: Host: not.a.real.domain", log) - self.assertIn("INFO: Type: <class 'ipaddress.IPv4Address'>", log) - self.assertIn("INFO: IP address: 127.0.0.1", log) + assert "INFO: Spider closed (finished)" in log + assert "INFO: Host: not.a.real.domain" in log + assert "INFO: Type: <class 'ipaddress.IPv4Address'>" in log + assert "INFO: IP address: 127.0.0.1" in log def test_change_default_reactor(self): log = self.run_script("change_reactor.py") - self.assertIn( - "DEBUG: Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor", - log, + assert ( + "DEBUG: Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + in log ) - self.assertIn("DEBUG: Using asyncio event loop", log) + assert "DEBUG: Using asyncio event loop" in log @pytest.mark.parametrize( diff --git a/tests/test_dependencies.py b/tests/test_dependencies.py index a39ed0694..162747581 100644 --- a/tests/test_dependencies.py +++ b/tests/test_dependencies.py @@ -4,11 +4,12 @@ from configparser import ConfigParser from importlib import import_module from pathlib import Path +import pytest from twisted import version as twisted_version from twisted.trial import unittest -class ScrapyUtilsTest(unittest.TestCase): +class TestScrapyUtils: def test_required_openssl_version(self): try: module = import_module("OpenSSL") @@ -27,7 +28,7 @@ class ScrapyUtilsTest(unittest.TestCase): See https://github.com/scrapy/scrapy/pull/4814#issuecomment-706230011 """ if not os.environ.get("_SCRAPY_PINNED", None): - self.skipTest("Not in a pinned environment") + pytest.skip("Not in a pinned environment") tox_config_file_path = Path(__file__).parent / ".." / "tox.ini" config_parser = ConfigParser() @@ -36,4 +37,4 @@ class ScrapyUtilsTest(unittest.TestCase): match = re.search(pattern, config_parser["pinned"]["deps"]) pinned_twisted_version_string = match[1] - self.assertEqual(twisted_version.short(), pinned_twisted_version_string) + assert twisted_version.short() == pinned_twisted_version_string diff --git a/tests/test_downloaderslotssettings.py b/tests/test_downloaderslotssettings.py index 4f8b005d7..15b3ad5af 100644 --- a/tests/test_downloaderslotssettings.py +++ b/tests/test_downloaderslotssettings.py @@ -76,7 +76,7 @@ class CrawlTestCase(TestCase): for k, v in slots.items() } - self.assertTrue(max(list(error_delta.values())) < tolerance) + assert max(list(error_delta.values())) < tolerance def test_params(): diff --git a/tests/test_dupefilters.py b/tests/test_dupefilters.py index 703c23529..d5e1b37f7 100644 --- a/tests/test_dupefilters.py +++ b/tests/test_dupefilters.py @@ -2,7 +2,6 @@ import hashlib import shutil import sys import tempfile -import unittest from pathlib import Path from warnings import catch_warnings @@ -39,7 +38,7 @@ class DirectDupeFilter: method = "n/a" -class RFPDupeFilterTest(unittest.TestCase): +class TestRFPDupeFilter: def test_df_from_crawler_scheduler(self): settings = { "DUPEFILTER_DEBUG": True, @@ -47,8 +46,8 @@ class RFPDupeFilterTest(unittest.TestCase): } crawler = get_crawler(settings_dict=settings) scheduler = Scheduler.from_crawler(crawler) - self.assertTrue(scheduler.df.debug) - self.assertEqual(scheduler.df.method, "from_crawler") + assert scheduler.df.debug + assert scheduler.df.method == "from_crawler" def test_df_direct_scheduler(self): settings = { @@ -56,7 +55,7 @@ class RFPDupeFilterTest(unittest.TestCase): } crawler = get_crawler(settings_dict=settings) scheduler = Scheduler.from_crawler(crawler) - self.assertEqual(scheduler.df.method, "n/a") + assert scheduler.df.method == "n/a" def test_filter(self): dupefilter = _get_dupefilter() @@ -256,16 +255,16 @@ class RFPDupeFilterTest(unittest.TestCase): dupefilter.close("finished") -class BaseDupeFilterTestCase(unittest.TestCase): +class TestBaseDupeFilter: def test_log_deprecation(self): dupefilter = _get_dupefilter( settings={"DUPEFILTER_CLASS": BaseDupeFilter}, ) with catch_warnings(record=True) as warning_list: dupefilter.log(None, None) - self.assertEqual(len(warning_list), 1) - self.assertEqual( - str(warning_list[0].message), - "Calling BaseDupeFilter.log() is deprecated.", + assert len(warning_list) == 1 + assert ( + str(warning_list[0].message) + == "Calling BaseDupeFilter.log() is deprecated." ) - self.assertEqual(warning_list[0].category, ScrapyDeprecationWarning) + assert warning_list[0].category == ScrapyDeprecationWarning diff --git a/tests/test_engine.py b/tests/test_engine.py index e9470493f..4bac8d273 100644 --- a/tests/test_engine.py +++ b/tests/test_engine.py @@ -243,8 +243,9 @@ class CrawlerRun: self.signals_caught[sig] = signalargs -class EngineTestBase(unittest.TestCase): - def _assert_visited_urls(self, run: CrawlerRun): +class TestEngineBase(unittest.TestCase): + @staticmethod + def _assert_visited_urls(run: CrawlerRun) -> None: must_be_visited = [ "/", "/redirect", @@ -259,8 +260,9 @@ class EngineTestBase(unittest.TestCase): f"URLs not visited: {list(urls_expected - urls_visited)}" ) - def _assert_scheduled_requests(self, run: CrawlerRun, count=None): - self.assertEqual(count, len(run.reqplug)) + @staticmethod + def _assert_scheduled_requests(run: CrawlerRun, count: int) -> None: + assert len(run.reqplug) == count paths_expected = ["/item999.html", "/item2.html", "/item1.html"] @@ -270,101 +272,104 @@ class EngineTestBase(unittest.TestCase): scheduled_requests_count = len(run.reqplug) dropped_requests_count = len(run.reqdropped) responses_count = len(run.respplug) - self.assertEqual( - scheduled_requests_count, dropped_requests_count + responses_count - ) - self.assertEqual(len(run.reqreached), responses_count) + assert scheduled_requests_count == dropped_requests_count + responses_count + assert len(run.reqreached) == responses_count - def _assert_dropped_requests(self, run: CrawlerRun): - self.assertEqual(len(run.reqdropped), 1) + @staticmethod + def _assert_dropped_requests(run: CrawlerRun) -> None: + assert len(run.reqdropped) == 1 - def _assert_downloaded_responses(self, run: CrawlerRun, count): + @staticmethod + def _assert_downloaded_responses(run: CrawlerRun, count: int) -> None: # response tests - self.assertEqual(count, len(run.respplug)) - self.assertEqual(count, len(run.reqreached)) + assert len(run.respplug) == count + assert len(run.reqreached) == count for response, _ in run.respplug: if run.getpath(response.url) == "/item999.html": - self.assertEqual(404, response.status) + assert response.status == 404 if run.getpath(response.url) == "/redirect": - self.assertEqual(302, response.status) + assert response.status == 302 - def _assert_items_error(self, run: CrawlerRun): - self.assertEqual(2, len(run.itemerror)) + @staticmethod + def _assert_items_error(run: CrawlerRun) -> None: + assert len(run.itemerror) == 2 for item, response, spider, failure in run.itemerror: - self.assertEqual(failure.value.__class__, ZeroDivisionError) - self.assertEqual(spider, run.spider) + assert failure.value.__class__ is ZeroDivisionError + assert spider == run.spider - self.assertEqual(item["url"], response.url) + assert item["url"] == response.url if "item1.html" in item["url"]: - self.assertEqual("Item 1 name", item["name"]) - self.assertEqual("100", item["price"]) + assert item["name"] == "Item 1 name" + assert item["price"] == "100" if "item2.html" in item["url"]: - self.assertEqual("Item 2 name", item["name"]) - self.assertEqual("200", item["price"]) + assert item["name"] == "Item 2 name" + assert item["price"] == "200" - def _assert_scraped_items(self, run: CrawlerRun): - self.assertEqual(2, len(run.itemresp)) + @staticmethod + def _assert_scraped_items(run: CrawlerRun) -> None: + assert len(run.itemresp) == 2 for item, response in run.itemresp: item = ItemAdapter(item) - self.assertEqual(item["url"], response.url) + assert item["url"] == response.url if "item1.html" in item["url"]: - self.assertEqual("Item 1 name", item["name"]) - self.assertEqual("100", item["price"]) + assert item["name"] == "Item 1 name" + assert item["price"] == "100" if "item2.html" in item["url"]: - self.assertEqual("Item 2 name", item["name"]) - self.assertEqual("200", item["price"]) + assert item["name"] == "Item 2 name" + assert item["price"] == "200" - def _assert_headers_received(self, run: CrawlerRun): + @staticmethod + def _assert_headers_received(run: CrawlerRun) -> None: for headers in run.headers.values(): - self.assertIn(b"Server", headers) - self.assertIn(b"TwistedWeb", headers[b"Server"]) - self.assertIn(b"Date", headers) - self.assertIn(b"Content-Type", headers) + assert b"Server" in headers + assert b"TwistedWeb" in headers[b"Server"] + assert b"Date" in headers + assert b"Content-Type" in headers - def _assert_bytes_received(self, run: CrawlerRun): - self.assertEqual(9, len(run.bytes)) + @staticmethod + def _assert_bytes_received(run: CrawlerRun) -> None: + assert len(run.bytes) == 9 for request, data in run.bytes.items(): joined_data = b"".join(data) if run.getpath(request.url) == "/": - self.assertEqual(joined_data, get_testdata("test_site", "index.html")) + assert joined_data == get_testdata("test_site", "index.html") elif run.getpath(request.url) == "/item1.html": - self.assertEqual(joined_data, get_testdata("test_site", "item1.html")) + assert joined_data == get_testdata("test_site", "item1.html") elif run.getpath(request.url) == "/item2.html": - self.assertEqual(joined_data, get_testdata("test_site", "item2.html")) + assert joined_data == get_testdata("test_site", "item2.html") elif run.getpath(request.url) == "/redirected": - self.assertEqual(joined_data, b"Redirected here") + assert joined_data == b"Redirected here" elif run.getpath(request.url) == "/redirect": - self.assertEqual( - joined_data, - b"\n<html>\n" + assert ( + joined_data == b"\n<html>\n" b" <head>\n" b' <meta http-equiv="refresh" content="0;URL=/redirected">\n' b" </head>\n" b' <body bgcolor="#FFFFFF" text="#000000">\n' b' <a href="/redirected">click here</a>\n' b" </body>\n" - b"</html>\n", + b"</html>\n" ) elif run.getpath(request.url) == "/tem999.html": - self.assertEqual( - joined_data, - b"\n<html>\n" + assert ( + joined_data == b"\n<html>\n" b" <head><title>404 - No Such Resource\n" b" \n" b"

No Such Resource

\n" b"

File not found.

\n" b" \n" - b"\n", + b"\n" ) elif run.getpath(request.url) == "/numbers": # signal was fired multiple times - self.assertTrue(len(data) > 1) + assert len(data) > 1 # bytes were received in order numbers = [str(x).encode("utf8") for x in range(2**18)] - self.assertEqual(joined_data, b"".join(numbers)) + assert joined_data == b"".join(numbers) - def _assert_signals_caught(self, run: CrawlerRun): + @staticmethod + def _assert_signals_caught(run: CrawlerRun) -> None: assert signals.engine_started in run.signals_caught assert signals.engine_stopped in run.signals_caught assert signals.spider_opened in run.signals_caught @@ -372,19 +377,14 @@ class EngineTestBase(unittest.TestCase): assert signals.spider_closed in run.signals_caught assert signals.headers_received in run.signals_caught - self.assertEqual( - {"spider": run.spider}, run.signals_caught[signals.spider_opened] - ) - self.assertEqual( - {"spider": run.spider}, run.signals_caught[signals.spider_idle] - ) - self.assertEqual( - {"spider": run.spider, "reason": "finished"}, - run.signals_caught[signals.spider_closed], - ) + assert {"spider": run.spider} == run.signals_caught[signals.spider_opened] + assert {"spider": run.spider} == run.signals_caught[signals.spider_idle] + assert {"spider": run.spider, "reason": "finished"} == run.signals_caught[ + signals.spider_closed + ] -class EngineTest(EngineTestBase): +class TestEngine(TestEngineBase): @defer.inlineCallbacks def test_crawler(self): for spider in ( @@ -419,10 +419,9 @@ class EngineTest(EngineTestBase): def test_crawler_change_close_reason_on_idle(self): run = CrawlerRun(ChangeCloseReasonSpider) yield run.run() - self.assertEqual( - {"spider": run.spider, "reason": "custom_reason"}, - run.signals_caught[signals.spider_closed], - ) + assert {"spider": run.spider, "reason": "custom_reason"} == run.signals_caught[ + signals.spider_closed + ] @defer.inlineCallbacks def test_close_downloader(self): @@ -470,7 +469,7 @@ class EngineTest(EngineTestBase): finally: timer.cancel() - self.assertNotIn(b"Traceback", stderr) + assert b"Traceback" not in stderr def test_request_scheduled_signal(caplog): diff --git a/tests/test_engine_stop_download_bytes.py b/tests/test_engine_stop_download_bytes.py index 5dd04c310..f09b0e091 100644 --- a/tests/test_engine_stop_download_bytes.py +++ b/tests/test_engine_stop_download_bytes.py @@ -7,8 +7,8 @@ from tests.test_engine import ( CrawlerRun, DataClassItemsSpider, DictItemsSpider, - EngineTestBase, MySpider, + TestEngineBase, ) @@ -18,7 +18,7 @@ class BytesReceivedCrawlerRun(CrawlerRun): raise StopDownload(fail=False) -class BytesReceivedEngineTest(EngineTestBase): +class TestBytesReceivedEngine(TestEngineBase): @defer.inlineCallbacks def test_crawler(self): for spider in ( @@ -61,14 +61,15 @@ class BytesReceivedEngineTest(EngineTestBase): self._assert_headers_received(run) self._assert_bytes_received(run) - def _assert_bytes_received(self, run: CrawlerRun): - self.assertEqual(9, len(run.bytes)) + @staticmethod + def _assert_bytes_received(run: CrawlerRun) -> None: + assert len(run.bytes) == 9 for request, data in run.bytes.items(): joined_data = b"".join(data) - self.assertTrue(len(data) == 1) # signal was fired only once + assert len(data) == 1 # signal was fired only once if run.getpath(request.url) == "/numbers": # Received bytes are not the complete response. The exact amount depends # on the buffer size, which can vary, so we only check that the amount # of received bytes is strictly less than the full response. numbers = [str(x).encode("utf8") for x in range(2**18)] - self.assertTrue(len(joined_data) < len(b"".join(numbers))) + assert len(joined_data) < len(b"".join(numbers)) diff --git a/tests/test_engine_stop_download_headers.py b/tests/test_engine_stop_download_headers.py index 06929d1e4..dbb0ea0d2 100644 --- a/tests/test_engine_stop_download_headers.py +++ b/tests/test_engine_stop_download_headers.py @@ -7,8 +7,8 @@ from tests.test_engine import ( CrawlerRun, DataClassItemsSpider, DictItemsSpider, - EngineTestBase, MySpider, + TestEngineBase, ) @@ -18,7 +18,7 @@ class HeadersReceivedCrawlerRun(CrawlerRun): raise StopDownload(fail=False) -class HeadersReceivedEngineTest(EngineTestBase): +class TestHeadersReceivedEngine(TestEngineBase): @defer.inlineCallbacks def test_crawler(self): for spider in ( @@ -60,10 +60,12 @@ class HeadersReceivedEngineTest(EngineTestBase): self._assert_bytes_received(run) self._assert_headers_received(run) - def _assert_bytes_received(self, run: CrawlerRun): - self.assertEqual(0, len(run.bytes)) + @staticmethod + def _assert_bytes_received(run: CrawlerRun) -> None: + assert len(run.bytes) == 0 - def _assert_visited_urls(self, run: CrawlerRun): + @staticmethod + def _assert_visited_urls(run: CrawlerRun) -> None: must_be_visited = ["/", "/redirect", "/redirected"] urls_visited = {rp[0].url for rp in run.respplug} urls_expected = {run.geturl(p) for p in must_be_visited} diff --git a/tests/test_webclient.py b/tests/test_webclient.py index 1b4ad2f2f..c3c03d6c3 100644 --- a/tests/test_webclient.py +++ b/tests/test_webclient.py @@ -36,7 +36,7 @@ from tests.mockserver import ( PayloadResource, ssl_context_factory, ) -from tests.test_core_downloader import ContextFactoryBaseTestCase +from tests.test_core_downloader import TestContextFactoryBase def getPage(url, contextFactory=None, response_transform=None, *args, **kwargs): @@ -63,7 +63,7 @@ def getPage(url, contextFactory=None, response_transform=None, *args, **kwargs): @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") -class ScrapyHTTPPageGetterTests(unittest.TestCase): +class TestScrapyHTTPPageGetter: def test_earlyHeaders(self): # basic test stolen from twisted HTTPageGetter factory = client.ScrapyHTTPClientFactory( @@ -177,9 +177,7 @@ class ScrapyHTTPPageGetterTests(unittest.TestCase): protocol = client.ScrapyHTTPPageGetter() protocol.factory = factory protocol.makeConnection(transport) - self.assertEqual( - set(transport.value().splitlines()), set(testvalue.splitlines()) - ) + assert set(transport.value().splitlines()) == set(testvalue.splitlines()) return testvalue def test_non_standard_line_endings(self): @@ -192,9 +190,7 @@ class ScrapyHTTPPageGetterTests(unittest.TestCase): protocol.dataReceived(b"Hello: World\n") protocol.dataReceived(b"Foo: Bar\n") protocol.dataReceived(b"\n") - self.assertEqual( - protocol.headers, Headers({"Hello": ["World"], "Foo": ["Bar"]}) - ) + assert protocol.headers == Headers({"Hello": ["World"], "Foo": ["Bar"]}) class EncodingResource(resource.Resource): @@ -207,7 +203,7 @@ class EncodingResource(resource.Resource): @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") -class WebClientTestCase(unittest.TestCase): +class TestWebClient(unittest.TestCase): def _listen(self, site): return reactor.listenTCP(0, site, interface="127.0.0.1") @@ -319,7 +315,7 @@ class WebClientTestCase(unittest.TestCase): return getPage(self.getURL("notsuchfile")).addCallback(self._cbNoSuchFile) def _cbNoSuchFile(self, pageData): - self.assertIn(b"404 - No Such Resource", pageData) + assert b"404 - No Such Resource" in pageData def testFactoryInfo(self): url = self.getURL("file") @@ -329,20 +325,20 @@ class WebClientTestCase(unittest.TestCase): return factory.deferred.addCallback(self._cbFactoryInfo, factory) def _cbFactoryInfo(self, ignoredResult, factory): - self.assertEqual(factory.status, b"200") - self.assertTrue(factory.version.startswith(b"HTTP/")) - self.assertEqual(factory.message, b"OK") - self.assertEqual(factory.response_headers[b"content-length"], b"10") + assert factory.status == b"200" + assert factory.version.startswith(b"HTTP/") + assert factory.message == b"OK" + assert factory.response_headers[b"content-length"] == b"10" def testRedirect(self): return getPage(self.getURL("redirect")).addCallback(self._cbRedirect) def _cbRedirect(self, pageData): - self.assertEqual( - pageData, - b'\n\n \n \n' + assert ( + pageData + == b'\n\n \n \n' b' \n \n ' - b'click here\n \n\n', + b'click here\n \n\n' ) def test_encoding(self): @@ -356,14 +352,12 @@ class WebClientTestCase(unittest.TestCase): def _check_Encoding(self, response, original_body): content_encoding = to_unicode(response.headers[b"Content-Encoding"]) - self.assertEqual(content_encoding, EncodingResource.out_encoding) - self.assertEqual( - response.body.decode(content_encoding), to_unicode(original_body) - ) + assert content_encoding == EncodingResource.out_encoding + assert response.body.decode(content_encoding) == to_unicode(original_body) @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") -class WebClientSSLTestCase(ContextFactoryBaseTestCase): +class WebClientSSLTestCase(TestContextFactoryBase): def testPayload(self): s = "0123456789" * 10 return getPage(self.getURL("payload"), body=s).addCallback( From d2e5486d5a0ddfa9c202e39f5af98257a230d4f3 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Fri, 7 Mar 2025 13:20:42 +0500 Subject: [PATCH 412/786] Remove the Splash recommendation. --- docs/topics/dynamic-content.rst | 35 +++++++-------------------------- 1 file changed, 7 insertions(+), 28 deletions(-) diff --git a/docs/topics/dynamic-content.rst b/docs/topics/dynamic-content.rst index 801f6d06d..65270433f 100644 --- a/docs/topics/dynamic-content.rst +++ b/docs/topics/dynamic-content.rst @@ -14,7 +14,7 @@ from it. If you fail to do that, and you can nonetheless access the desired data through the :ref:`DOM ` from your web browser, see -:ref:`topics-javascript-rendering`. +:ref:`topics-headless-browsing`. .. _topics-finding-data-source: @@ -97,7 +97,7 @@ it `. You can reproduce any request with Scrapy. However, some times reproducing all necessary requests may not seem efficient in developer time. If that is your case, and crawling speed is not a major concern for you, you can alternatively -consider :ref:`JavaScript pre-rendering `. +consider :ref:`using a headless browser `. If you get the expected response `sometimes`, but not always, the issue is probably not your request, but the target server. The target server might be @@ -220,9 +220,9 @@ data from it: >>> selector.css('var[name="data"]').get() 'value' -.. _topics-javascript-rendering: +.. _topics-headless-browsing: -Pre-rendering JavaScript +Using a headless browser ======================== On webpages that fetch data from additional requests, reproducing those @@ -232,29 +232,10 @@ network transfer. However, sometimes it can be really hard to reproduce certain requests. Or you may need something that no request can give you, such as a screenshot of a -webpage as seen in a web browser. +webpage as seen in a web browser. In this case using a `headless browser`_ will +help. -In these cases use the Splash_ JavaScript-rendering service, along with -`scrapy-splash`_ for seamless integration. - -Splash returns as HTML the :ref:`DOM ` of a webpage, so that -you can parse it with :ref:`selectors `. It provides great -flexibility through configuration_ or scripting_. - -If you need something beyond what Splash offers, such as interacting with the -DOM on-the-fly from Python code instead of using a previously-written script, -or handling multiple web browser windows, you might need to -:ref:`use a headless browser ` instead. - -.. _configuration: https://splash.readthedocs.io/en/stable/api.html -.. _scripting: https://splash.readthedocs.io/en/stable/scripting-tutorial.html - -.. _topics-headless-browsing: - -Using a headless browser -======================== - -A `headless browser`_ is a special web browser that provides an API for +A headless browser is a special web browser that provides an API for automation. By installing the :ref:`asyncio reactor `, it is possible to integrate ``asyncio``-based libraries which handle headless browsers. @@ -287,7 +268,6 @@ We recommend using `scrapy-playwright`_ for a better integration. .. _AJAX: https://en.wikipedia.org/wiki/Ajax_%28programming%29 .. _CSS: https://en.wikipedia.org/wiki/Cascading_Style_Sheets .. _JavaScript: https://en.wikipedia.org/wiki/JavaScript -.. _Splash: https://github.com/scrapinghub/splash .. _chompjs: https://github.com/Nykakin/chompjs .. _curl: https://curl.se/ .. _headless browser: https://en.wikipedia.org/wiki/Headless_browser @@ -297,7 +277,6 @@ We recommend using `scrapy-playwright`_ for a better integration. .. _pyppeteer: https://pyppeteer.github.io/pyppeteer/ .. _pytesseract: https://github.com/madmaze/pytesseract .. _scrapy-playwright: https://github.com/scrapy-plugins/scrapy-playwright -.. _scrapy-splash: https://github.com/scrapy-plugins/scrapy-splash .. _tabula-py: https://github.com/chezou/tabula-py .. _wget: https://www.gnu.org/software/wget/ .. _wgrep: https://github.com/stav/wgrep From 3ded1dfe31510f00e14a70811b7c01dae8b5a641 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Fri, 7 Mar 2025 20:25:15 +0400 Subject: [PATCH 413/786] Converting tests to plain asserts, part 4. (#6702) --- tests/test_spider.py | 344 +++++++++----------- tests/test_spiderloader/__init__.py | 113 ++++--- tests/test_spidermiddleware.py | 105 +++--- tests/test_spidermiddleware_depth.py | 16 +- tests/test_spidermiddleware_httperror.py | 98 +++--- tests/test_spidermiddleware_offsite.py | 11 +- tests/test_spidermiddleware_output_chain.py | 112 +++---- tests/test_spidermiddleware_referer.py | 31 +- tests/test_spidermiddleware_urllength.py | 12 +- tests/test_spiderstate.py | 7 +- tests/test_squeues.py | 45 +-- tests/test_squeues_request.py | 148 ++++----- tests/test_stats.py | 72 ++-- 13 files changed, 529 insertions(+), 585 deletions(-) diff --git a/tests/test_spider.py b/tests/test_spider.py index af29872a8..05f1c59d0 100644 --- a/tests/test_spider.py +++ b/tests/test_spider.py @@ -31,7 +31,7 @@ from scrapy.utils.test import get_crawler from tests import get_testdata, tests_datadir -class SpiderTest(unittest.TestCase): +class TestSpider(unittest.TestCase): spider_class = Spider def setUp(self): @@ -42,19 +42,19 @@ class SpiderTest(unittest.TestCase): def test_base_spider(self): spider = self.spider_class("example.com") - self.assertEqual(spider.name, "example.com") - self.assertEqual(spider.start_urls, []) + assert spider.name == "example.com" + assert spider.start_urls == [] # pylint: disable=use-implicit-booleaness-not-comparison def test_start_requests(self): spider = self.spider_class("example.com") start_requests = spider.start_requests() - self.assertTrue(inspect.isgenerator(start_requests)) - self.assertEqual(list(start_requests), []) + assert inspect.isgenerator(start_requests) + assert not list(start_requests) def test_spider_args(self): """``__init__`` method arguments are assigned to spider attributes""" spider = self.spider_class("example.com", foo="bar") - self.assertEqual(spider.foo, "bar") + assert spider.foo == "bar" def test_spider_without_name(self): """``__init__`` method arguments are assigned to spider attributes""" @@ -67,10 +67,10 @@ class SpiderTest(unittest.TestCase): def test_from_crawler_crawler_and_settings_population(self): crawler = get_crawler() spider = self.spider_class.from_crawler(crawler, "example.com") - self.assertTrue(hasattr(spider, "crawler")) - self.assertIs(spider.crawler, crawler) - self.assertTrue(hasattr(spider, "settings")) - self.assertIs(spider.settings, crawler.settings) + assert hasattr(spider, "crawler") + assert spider.crawler is crawler + assert hasattr(spider, "settings") + assert spider.settings is crawler.settings def test_from_crawler_init_call(self): with mock.patch.object( @@ -92,7 +92,7 @@ class SpiderTest(unittest.TestCase): crawler.signals.send_catch_log( signal=signals.spider_closed, spider=spider, reason=None ) - self.assertTrue(spider.closed_called) + assert spider.closed_called def test_update_settings(self): spider_settings = {"TEST1": "spider", "TEST2": "spider"} @@ -101,9 +101,9 @@ class SpiderTest(unittest.TestCase): settings = Settings(project_settings, priority="project") self.spider_class.update_settings(settings) - self.assertEqual(settings.get("TEST1"), "spider") - self.assertEqual(settings.get("TEST2"), "spider") - self.assertEqual(settings.get("TEST3"), "project") + assert settings.get("TEST1") == "spider" + assert settings.get("TEST2") == "spider" + assert settings.get("TEST3") == "project" @inlineCallbacks def test_settings_in_from_crawler(self): @@ -121,11 +121,11 @@ class SpiderTest(unittest.TestCase): return spider crawler = Crawler(TestSpider, project_settings) - self.assertEqual(crawler.settings.get("TEST1"), "spider") - self.assertEqual(crawler.settings.get("TEST2"), "spider") - self.assertEqual(crawler.settings.get("TEST3"), "project") + assert crawler.settings.get("TEST1") == "spider" + assert crawler.settings.get("TEST2") == "spider" + assert crawler.settings.get("TEST3") == "project" yield crawler.crawl() - self.assertEqual(crawler.settings.get("TEST1"), "spider_instance") + assert crawler.settings.get("TEST1") == "spider_instance" def test_logger(self): spider = self.spider_class("example.com") @@ -134,8 +134,8 @@ class SpiderTest(unittest.TestCase): lc.check(("example.com", "INFO", "test log msg")) record = lc.records[0] - self.assertIn("spider", record.__dict__) - self.assertIs(record.spider, spider) + assert "spider" in record.__dict__ + assert record.spider is spider def test_log(self): spider = self.spider_class("example.com") @@ -144,11 +144,11 @@ class SpiderTest(unittest.TestCase): mock_logger.log.assert_called_once_with("INFO", "test log msg") -class InitSpiderTest(SpiderTest): +class TestInitSpider(TestSpider): spider_class = InitSpider -class XMLFeedSpiderTest(SpiderTest): +class TestXMLFeedSpider(TestSpider): spider_class = XMLFeedSpider def test_register_namespace(self): @@ -180,28 +180,24 @@ class XMLFeedSpiderTest(SpiderTest): for iterator in ("iternodes", "xml"): spider = _XMLSpider("example", iterator=iterator) output = list(spider._parse(response)) - self.assertEqual(len(output), 2, iterator) - self.assertEqual( - output, - [ - { - "loc": ["http://www.example.com/Special-Offers.html"], - "updated": ["2009-08-16"], - "custom": ["fuu"], - "other": ["bar"], - }, - { - "loc": [], - "updated": ["2009-08-16"], - "other": ["foo"], - "custom": [], - }, - ], - iterator, - ) + assert len(output) == 2, iterator + assert output == [ + { + "loc": ["http://www.example.com/Special-Offers.html"], + "updated": ["2009-08-16"], + "custom": ["fuu"], + "other": ["bar"], + }, + { + "loc": [], + "updated": ["2009-08-16"], + "other": ["foo"], + "custom": [], + }, + ], iterator -class CSVFeedSpiderTest(SpiderTest): +class TestCSVFeedSpider(TestSpider): spider_class = CSVFeedSpider def test_parse_rows(self): @@ -222,7 +218,7 @@ class CSVFeedSpiderTest(SpiderTest): assert len(rows) == 4 -class CrawlSpiderTest(SpiderTest): +class TestCrawlSpider(TestSpider): test_body = b"""Page title<title> <body> <p><a href="item/12.html">Item 12</a></p> @@ -247,16 +243,13 @@ class CrawlSpiderTest(SpiderTest): spider = _CrawlSpider() output = list(spider._requests_to_follow(response)) - self.assertEqual(len(output), 3) - self.assertTrue(all(isinstance(r, Request) for r in output)) - self.assertEqual( - [r.url for r in output], - [ - "http://example.org/somepage/item/12.html", - "http://example.org/about.html", - "http://example.org/nofollow.html", - ], - ) + assert len(output) == 3 + assert all(isinstance(r, Request) for r in output) + assert [r.url for r in output] == [ + "http://example.org/somepage/item/12.html", + "http://example.org/about.html", + "http://example.org/nofollow.html", + ] def test_process_links(self): response = HtmlResponse( @@ -273,16 +266,13 @@ class CrawlSpiderTest(SpiderTest): spider = _CrawlSpider() output = list(spider._requests_to_follow(response)) - self.assertEqual(len(output), 3) - self.assertTrue(all(isinstance(r, Request) for r in output)) - self.assertEqual( - [r.url for r in output], - [ - "http://example.org/somepage/item/12.html", - "http://example.org/about.html", - "http://example.org/nofollow.html", - ], - ) + assert len(output) == 3 + assert all(isinstance(r, Request) for r in output) + assert [r.url for r in output] == [ + "http://example.org/somepage/item/12.html", + "http://example.org/about.html", + "http://example.org/nofollow.html", + ] def test_process_links_filter(self): response = HtmlResponse( @@ -302,15 +292,12 @@ class CrawlSpiderTest(SpiderTest): spider = _CrawlSpider() output = list(spider._requests_to_follow(response)) - self.assertEqual(len(output), 2) - self.assertTrue(all(isinstance(r, Request) for r in output)) - self.assertEqual( - [r.url for r in output], - [ - "http://example.org/somepage/item/12.html", - "http://example.org/about.html", - ], - ) + assert len(output) == 2 + assert all(isinstance(r, Request) for r in output) + assert [r.url for r in output] == [ + "http://example.org/somepage/item/12.html", + "http://example.org/about.html", + ] def test_process_links_generator(self): response = HtmlResponse( @@ -327,16 +314,13 @@ class CrawlSpiderTest(SpiderTest): spider = _CrawlSpider() output = list(spider._requests_to_follow(response)) - self.assertEqual(len(output), 3) - self.assertTrue(all(isinstance(r, Request) for r in output)) - self.assertEqual( - [r.url for r in output], - [ - "http://example.org/somepage/item/12.html", - "http://example.org/about.html", - "http://example.org/nofollow.html", - ], - ) + assert len(output) == 3 + assert all(isinstance(r, Request) for r in output) + assert [r.url for r in output] == [ + "http://example.org/somepage/item/12.html", + "http://example.org/about.html", + "http://example.org/nofollow.html", + ] def test_process_request(self): response = HtmlResponse( @@ -355,16 +339,13 @@ class CrawlSpiderTest(SpiderTest): spider = _CrawlSpider() output = list(spider._requests_to_follow(response)) - self.assertEqual(len(output), 3) - self.assertTrue(all(isinstance(r, Request) for r in output)) - self.assertEqual( - [r.url for r in output], - [ - "http://example.com/somepage/item/12.html", - "http://example.com/about.html", - "http://example.com/nofollow.html", - ], - ) + assert len(output) == 3 + assert all(isinstance(r, Request) for r in output) + assert [r.url for r in output] == [ + "http://example.com/somepage/item/12.html", + "http://example.com/about.html", + "http://example.com/nofollow.html", + ] def test_process_request_with_response(self): response = HtmlResponse( @@ -386,20 +367,18 @@ class CrawlSpiderTest(SpiderTest): spider = _CrawlSpider() output = list(spider._requests_to_follow(response)) - self.assertEqual(len(output), 3) - self.assertTrue(all(isinstance(r, Request) for r in output)) - self.assertEqual( - [r.url for r in output], - [ - "http://example.org/somepage/item/12.html", - "http://example.org/about.html", - "http://example.org/nofollow.html", - ], - ) - self.assertEqual( - [r.meta["response_class"] for r in output], - ["HtmlResponse", "HtmlResponse", "HtmlResponse"], - ) + assert len(output) == 3 + assert all(isinstance(r, Request) for r in output) + assert [r.url for r in output] == [ + "http://example.org/somepage/item/12.html", + "http://example.org/about.html", + "http://example.org/nofollow.html", + ] + assert [r.meta["response_class"] for r in output] == [ + "HtmlResponse", + "HtmlResponse", + "HtmlResponse", + ] def test_process_request_instance_method(self): response = HtmlResponse( @@ -416,16 +395,13 @@ class CrawlSpiderTest(SpiderTest): spider = _CrawlSpider() output = list(spider._requests_to_follow(response)) - self.assertEqual(len(output), 3) - self.assertTrue(all(isinstance(r, Request) for r in output)) - self.assertEqual( - [r.url for r in output], - [ - safe_url_string("http://EXAMPLE.ORG/SOMEPAGE/ITEM/12.HTML"), - safe_url_string("http://EXAMPLE.ORG/ABOUT.HTML"), - safe_url_string("http://EXAMPLE.ORG/NOFOLLOW.HTML"), - ], - ) + assert len(output) == 3 + assert all(isinstance(r, Request) for r in output) + assert [r.url for r in output] == [ + safe_url_string("http://EXAMPLE.ORG/SOMEPAGE/ITEM/12.HTML"), + safe_url_string("http://EXAMPLE.ORG/ABOUT.HTML"), + safe_url_string("http://EXAMPLE.ORG/NOFOLLOW.HTML"), + ] def test_process_request_instance_method_with_response(self): response = HtmlResponse( @@ -448,32 +424,30 @@ class CrawlSpiderTest(SpiderTest): spider = _CrawlSpider() output = list(spider._requests_to_follow(response)) - self.assertEqual(len(output), 3) - self.assertTrue(all(isinstance(r, Request) for r in output)) - self.assertEqual( - [r.url for r in output], - [ - "http://example.org/somepage/item/12.html", - "http://example.org/about.html", - "http://example.org/nofollow.html", - ], - ) - self.assertEqual( - [r.meta["response_class"] for r in output], - ["HtmlResponse", "HtmlResponse", "HtmlResponse"], - ) + assert len(output) == 3 + assert all(isinstance(r, Request) for r in output) + assert [r.url for r in output] == [ + "http://example.org/somepage/item/12.html", + "http://example.org/about.html", + "http://example.org/nofollow.html", + ] + assert [r.meta["response_class"] for r in output] == [ + "HtmlResponse", + "HtmlResponse", + "HtmlResponse", + ] def test_follow_links_attribute_population(self): crawler = get_crawler() spider = self.spider_class.from_crawler(crawler, "example.com") - self.assertTrue(hasattr(spider, "_follow_links")) - self.assertTrue(spider._follow_links) + assert hasattr(spider, "_follow_links") + assert spider._follow_links settings_dict = {"CRAWLSPIDER_FOLLOW_LINKS": False} crawler = get_crawler(settings_dict=settings_dict) spider = self.spider_class.from_crawler(crawler, "example.com") - self.assertTrue(hasattr(spider, "_follow_links")) - self.assertFalse(spider._follow_links) + assert hasattr(spider, "_follow_links") + assert not spider._follow_links def test_start_url(self): spider = self.spider_class("example.com") @@ -483,7 +457,7 @@ class CrawlSpiderTest(SpiderTest): list(spider.start_requests()) -class SitemapSpiderTest(SpiderTest): +class TestSitemapSpider(TestSpider): spider_class = SitemapSpider BODY = b"SITEMAP" @@ -496,7 +470,7 @@ class SitemapSpiderTest(SpiderTest): def assertSitemapBody(self, response, body): crawler = get_crawler() spider = self.spider_class.from_crawler(crawler, "example.com") - self.assertEqual(spider._get_sitemap_body(response), body) + assert spider._get_sitemap_body(response) == body def test_get_sitemap_body(self): r = XmlResponse(url="http://www.example.com/", body=self.BODY) @@ -543,15 +517,12 @@ Sitemap: /sitemap-relative-url.xml r = TextResponse(url="http://www.example.com/robots.txt", body=robots) spider = self.spider_class("example.com") - self.assertEqual( - [req.url for req in spider._parse_sitemap(r)], - [ - "http://example.com/sitemap.xml", - "http://example.com/sitemap-product-index.xml", - "http://example.com/sitemap-uppercase.xml", - "http://www.example.com/sitemap-relative-url.xml", - ], - ) + assert [req.url for req in spider._parse_sitemap(r)] == [ + "http://example.com/sitemap.xml", + "http://example.com/sitemap-product-index.xml", + "http://example.com/sitemap-uppercase.xml", + "http://www.example.com/sitemap-relative-url.xml", + ] def test_alternate_url_locs(self): sitemap = b"""<?xml version="1.0" encoding="UTF-8"?> @@ -570,21 +541,17 @@ Sitemap: /sitemap-relative-url.xml </urlset>""" r = TextResponse(url="http://www.example.com/sitemap.xml", body=sitemap) spider = self.spider_class("example.com") - self.assertEqual( - [req.url for req in spider._parse_sitemap(r)], - ["http://www.example.com/english/"], - ) + assert [req.url for req in spider._parse_sitemap(r)] == [ + "http://www.example.com/english/" + ] spider.sitemap_alternate_links = True - self.assertEqual( - [req.url for req in spider._parse_sitemap(r)], - [ - "http://www.example.com/english/", - "http://www.example.com/deutsch/", - "http://www.example.com/schweiz-deutsch/", - "http://www.example.com/italiano/", - ], - ) + assert [req.url for req in spider._parse_sitemap(r)] == [ + "http://www.example.com/english/", + "http://www.example.com/deutsch/", + "http://www.example.com/schweiz-deutsch/", + "http://www.example.com/italiano/", + ] def test_sitemap_filter(self): sitemap = b"""<?xml version="1.0" encoding="UTF-8"?> @@ -611,16 +578,15 @@ Sitemap: /sitemap-relative-url.xml r = TextResponse(url="http://www.example.com/sitemap.xml", body=sitemap) spider = self.spider_class("example.com") - self.assertEqual( - [req.url for req in spider._parse_sitemap(r)], - ["http://www.example.com/english/", "http://www.example.com/portuguese/"], - ) + assert [req.url for req in spider._parse_sitemap(r)] == [ + "http://www.example.com/english/", + "http://www.example.com/portuguese/", + ] spider = FilteredSitemapSpider("example.com") - self.assertEqual( - [req.url for req in spider._parse_sitemap(r)], - ["http://www.example.com/english/"], - ) + assert [req.url for req in spider._parse_sitemap(r)] == [ + "http://www.example.com/english/" + ] def test_sitemap_filter_with_alternate_links(self): sitemap = b"""<?xml version="1.0" encoding="UTF-8"?> @@ -649,19 +615,15 @@ Sitemap: /sitemap-relative-url.xml r = TextResponse(url="http://www.example.com/sitemap.xml", body=sitemap) spider = self.spider_class("example.com") - self.assertEqual( - [req.url for req in spider._parse_sitemap(r)], - [ - "http://www.example.com/english/article_1/", - "http://www.example.com/english/article_2/", - ], - ) + assert [req.url for req in spider._parse_sitemap(r)] == [ + "http://www.example.com/english/article_1/", + "http://www.example.com/english/article_2/", + ] spider = FilteredSitemapSpider("example.com") - self.assertEqual( - [req.url for req in spider._parse_sitemap(r)], - ["http://www.example.com/deutsch/article_1/"], - ) + assert [req.url for req in spider._parse_sitemap(r)] == [ + "http://www.example.com/deutsch/article_1/" + ] def test_sitemapindex_filter(self): sitemap = b"""<?xml version="1.0" encoding="UTF-8"?> @@ -689,19 +651,15 @@ Sitemap: /sitemap-relative-url.xml r = TextResponse(url="http://www.example.com/sitemap.xml", body=sitemap) spider = self.spider_class("example.com") - self.assertEqual( - [req.url for req in spider._parse_sitemap(r)], - [ - "http://www.example.com/sitemap1.xml", - "http://www.example.com/sitemap2.xml", - ], - ) + assert [req.url for req in spider._parse_sitemap(r)] == [ + "http://www.example.com/sitemap1.xml", + "http://www.example.com/sitemap2.xml", + ] spider = FilteredSitemapSpider("example.com") - self.assertEqual( - [req.url for req in spider._parse_sitemap(r)], - ["http://www.example.com/sitemap2.xml"], - ) + assert [req.url for req in spider._parse_sitemap(r)] == [ + "http://www.example.com/sitemap2.xml" + ] def test_compression_bomb_setting(self): settings = {"DOWNLOAD_MAXSIZE": 10_000_000} @@ -711,7 +669,7 @@ Sitemap: /sitemap-relative-url.xml body = body_path.read_bytes() request = Request(url="https://example.com") response = Response(url="https://example.com", body=body, request=request) - self.assertIsNone(spider._get_sitemap_body(response)) + assert spider._get_sitemap_body(response) is None def test_compression_bomb_spider_attr(self): class DownloadMaxSizeSpider(self.spider_class): @@ -723,7 +681,7 @@ Sitemap: /sitemap-relative-url.xml body = body_path.read_bytes() request = Request(url="https://example.com") response = Response(url="https://example.com", body=body, request=request) - self.assertIsNone(spider._get_sitemap_body(response)) + assert spider._get_sitemap_body(response) is None def test_compression_bomb_request_meta(self): crawler = get_crawler() @@ -734,7 +692,7 @@ Sitemap: /sitemap-relative-url.xml url="https://example.com", meta={"download_maxsize": 10_000_000} ) response = Response(url="https://example.com", body=body, request=request) - self.assertIsNone(spider._get_sitemap_body(response)) + assert spider._get_sitemap_body(response) is None def test_download_warnsize_setting(self): settings = {"DOWNLOAD_WARNSIZE": 10_000_000} @@ -814,13 +772,13 @@ Sitemap: /sitemap-relative-url.xml ) -class DeprecationTest(unittest.TestCase): +class TestDeprecation: def test_crawl_spider(self): assert issubclass(CrawlSpider, Spider) assert isinstance(CrawlSpider(name="foo"), Spider) -class NoParseMethodSpiderTest(unittest.TestCase): +class TestNoParseMethodSpider: spider_class = Spider def test_undefined_parse_method(self): diff --git a/tests/test_spiderloader/__init__.py b/tests/test_spiderloader/__init__.py index b103e9ed0..476487a04 100644 --- a/tests/test_spiderloader/__init__.py +++ b/tests/test_spiderloader/__init__.py @@ -8,7 +8,6 @@ from tempfile import mkdtemp from unittest import mock import pytest -from twisted.trial import unittest from zope.interface.verify import verifyObject # ugly hack to avoid cyclic imports of scrapy.spiders when running this test @@ -28,8 +27,8 @@ def _copytree(source: Path, target: Path): shutil.copytree(source, target) -class SpiderLoaderTest(unittest.TestCase): - def setUp(self): +class TestSpiderLoader: + def setup_method(self): orig_spiders_dir = module_dir / "test_spiders" self.tmpdir = Path(tempfile.mkdtemp()) self.spiders_dir = self.tmpdir / "test_spiders_xxx" @@ -38,7 +37,7 @@ class SpiderLoaderTest(unittest.TestCase): settings = Settings({"SPIDER_MODULES": ["test_spiders_xxx"]}) self.spider_loader = SpiderLoader.from_settings(settings) - def tearDown(self): + def teardown_method(self): del self.spider_loader del sys.modules["test_spiders_xxx"] sys.path.remove(str(self.tmpdir)) @@ -47,37 +46,35 @@ class SpiderLoaderTest(unittest.TestCase): verifyObject(ISpiderLoader, self.spider_loader) def test_list(self): - self.assertEqual( - set(self.spider_loader.list()), {"spider1", "spider2", "spider3", "spider4"} - ) + assert set(self.spider_loader.list()) == { + "spider1", + "spider2", + "spider3", + "spider4", + } def test_load(self): spider1 = self.spider_loader.load("spider1") - self.assertEqual(spider1.__name__, "Spider1") + assert spider1.__name__ == "Spider1" def test_find_by_request(self): - self.assertEqual( - self.spider_loader.find_by_request(Request("http://scrapy1.org/test")), - ["spider1"], - ) - self.assertEqual( - self.spider_loader.find_by_request(Request("http://scrapy2.org/test")), - ["spider2"], - ) - self.assertEqual( - set(self.spider_loader.find_by_request(Request("http://scrapy3.org/test"))), - {"spider1", "spider2"}, - ) - self.assertEqual( - self.spider_loader.find_by_request(Request("http://scrapy999.org/test")), [] - ) - self.assertEqual( - self.spider_loader.find_by_request(Request("http://spider3.com")), [] - ) - self.assertEqual( - self.spider_loader.find_by_request(Request("http://spider3.com/onlythis")), - ["spider3"], + assert self.spider_loader.find_by_request( + Request("http://scrapy1.org/test") + ) == ["spider1"] + assert self.spider_loader.find_by_request( + Request("http://scrapy2.org/test") + ) == ["spider2"] + assert set( + self.spider_loader.find_by_request(Request("http://scrapy3.org/test")) + ) == {"spider1", "spider2"} + assert ( + self.spider_loader.find_by_request(Request("http://scrapy999.org/test")) + == [] ) + assert self.spider_loader.find_by_request(Request("http://spider3.com")) == [] + assert self.spider_loader.find_by_request( + Request("http://spider3.com/onlythis") + ) == ["spider3"] def test_load_spider_module(self): module = "tests.test_spiderloader.test_spiders.spider1" @@ -113,9 +110,9 @@ class SpiderLoaderTest(unittest.TestCase): runner = CrawlerRunner({"ADDONS": {SpiderModuleAddon: 1}}) crawler = runner.create_crawler("spider_from_addon") - self.assertTrue(issubclass(crawler.spidercls, scrapy.Spider)) - self.assertEqual(crawler.spidercls.name, "spider_from_addon") - self.assertTrue(len(crawler.settings["SPIDER_MODULES"]) == 1) + assert issubclass(crawler.spidercls, scrapy.Spider) + assert crawler.spidercls.name == "spider_from_addon" + assert len(crawler.settings["SPIDER_MODULES"]) == 1 def test_crawler_runner_loading(self): module = "tests.test_spiderloader.test_spiders.spider1" @@ -129,8 +126,8 @@ class SpiderLoaderTest(unittest.TestCase): runner.create_crawler("spider2") crawler = runner.create_crawler("spider1") - self.assertTrue(issubclass(crawler.spidercls, scrapy.Spider)) - self.assertEqual(crawler.spidercls.name, "spider1") + assert issubclass(crawler.spidercls, scrapy.Spider) + assert crawler.spidercls.name == "spider1" def test_bad_spider_modules_exception(self): module = "tests.test_spiderloader.test_spiders.doesnotexist" @@ -150,10 +147,10 @@ class SpiderLoaderTest(unittest.TestCase): # at least until all six versions we can import (including botocore.vendored.six) # are updated to 1.16.0+ w.pop(0) - self.assertIn("Could not load spiders from module", str(w[0].message)) + assert "Could not load spiders from module" in str(w[0].message) spiders = spider_loader.list() - self.assertEqual(spiders, []) + assert not spiders def test_syntax_error_exception(self): module = "tests.test_spiderloader.test_spiders.spider1" @@ -179,14 +176,14 @@ class SpiderLoaderTest(unittest.TestCase): # at least until all six versions we can import (including botocore.vendored.six) # are updated to 1.16.0+ w.pop(0) - self.assertIn("Could not load spiders from module", str(w[0].message)) + assert "Could not load spiders from module" in str(w[0].message) spiders = spider_loader.list() - self.assertEqual(spiders, []) + assert not spiders -class DuplicateSpiderNameLoaderTest(unittest.TestCase): - def setUp(self): +class TestDuplicateSpiderNameLoader: + def setup_method(self): orig_spiders_dir = module_dir / "test_spiders" self.tmpdir = Path(mkdtemp()) self.spiders_dir = self.tmpdir / "test_spiders_xxx" @@ -194,7 +191,7 @@ class DuplicateSpiderNameLoaderTest(unittest.TestCase): sys.path.append(str(self.tmpdir)) self.settings = Settings({"SPIDER_MODULES": ["test_spiders_xxx"]}) - def tearDown(self): + def teardown_method(self): del sys.modules["test_spiders_xxx"] sys.path.remove(str(self.tmpdir)) @@ -208,18 +205,18 @@ class DuplicateSpiderNameLoaderTest(unittest.TestCase): with warnings.catch_warnings(record=True) as w: spider_loader = SpiderLoader.from_settings(self.settings) - self.assertEqual(len(w), 1) + assert len(w) == 1 msg = str(w[0].message) - self.assertIn("several spiders with the same name", msg) - self.assertIn("'spider3'", msg) - self.assertTrue(msg.count("'spider3'") == 2) + assert "several spiders with the same name" in msg + assert "'spider3'" in msg + assert msg.count("'spider3'") == 2 - self.assertNotIn("'spider1'", msg) - self.assertNotIn("'spider2'", msg) - self.assertNotIn("'spider4'", msg) + assert "'spider1'" not in msg + assert "'spider2'" not in msg + assert "'spider4'" not in msg spiders = set(spider_loader.list()) - self.assertEqual(spiders, {"spider1", "spider2", "spider3", "spider4"}) + assert spiders == {"spider1", "spider2", "spider3", "spider4"} def test_multiple_dupename_warning(self): # copy 2 spider modules so as to have duplicate spider name @@ -236,17 +233,17 @@ class DuplicateSpiderNameLoaderTest(unittest.TestCase): with warnings.catch_warnings(record=True) as w: spider_loader = SpiderLoader.from_settings(self.settings) - self.assertEqual(len(w), 1) + assert len(w) == 1 msg = str(w[0].message) - self.assertIn("several spiders with the same name", msg) - self.assertIn("'spider1'", msg) - self.assertTrue(msg.count("'spider1'") == 2) + assert "several spiders with the same name" in msg + assert "'spider1'" in msg + assert msg.count("'spider1'") == 2 - self.assertIn("'spider2'", msg) - self.assertTrue(msg.count("'spider2'") == 2) + assert "'spider2'" in msg + assert msg.count("'spider2'") == 2 - self.assertNotIn("'spider3'", msg) - self.assertNotIn("'spider4'", msg) + assert "'spider3'" not in msg + assert "'spider4'" not in msg spiders = set(spider_loader.list()) - self.assertEqual(spiders, {"spider1", "spider2", "spider3", "spider4"}) + assert spiders == {"spider1", "spider2", "spider3", "spider4"} diff --git a/tests/test_spidermiddleware.py b/tests/test_spidermiddleware.py index a9f3876bb..ddc9b5206 100644 --- a/tests/test_spidermiddleware.py +++ b/tests/test_spidermiddleware.py @@ -18,7 +18,7 @@ from scrapy.utils.defer import deferred_from_coro, maybe_deferred_to_future from scrapy.utils.test import get_crawler -class SpiderMiddlewareTestCase(TestCase): +class TestSpiderMiddleware(TestCase): def setUp(self): self.request = Request("http://example.com/index.html") self.response = Response(self.request.url, request=self.request) @@ -41,7 +41,7 @@ class SpiderMiddlewareTestCase(TestCase): return results[0] -class ProcessSpiderInputInvalidOutput(SpiderMiddlewareTestCase): +class TestProcessSpiderInputInvalidOutput(TestSpiderMiddleware): """Invalid return value for process_spider_input method""" def test_invalid_process_spider_input(self): @@ -51,11 +51,11 @@ class ProcessSpiderInputInvalidOutput(SpiderMiddlewareTestCase): self.mwman._add_middleware(InvalidProcessSpiderInputMiddleware()) result = self._scrape_response() - self.assertIsInstance(result, Failure) - self.assertIsInstance(result.value, _InvalidOutput) + assert isinstance(result, Failure) + assert isinstance(result.value, _InvalidOutput) -class ProcessSpiderOutputInvalidOutput(SpiderMiddlewareTestCase): +class TestProcessSpiderOutputInvalidOutput(TestSpiderMiddleware): """Invalid return value for process_spider_output method""" def test_invalid_process_spider_output(self): @@ -65,11 +65,11 @@ class ProcessSpiderOutputInvalidOutput(SpiderMiddlewareTestCase): self.mwman._add_middleware(InvalidProcessSpiderOutputMiddleware()) result = self._scrape_response() - self.assertIsInstance(result, Failure) - self.assertIsInstance(result.value, _InvalidOutput) + assert isinstance(result, Failure) + assert isinstance(result.value, _InvalidOutput) -class ProcessSpiderExceptionInvalidOutput(SpiderMiddlewareTestCase): +class TestProcessSpiderExceptionInvalidOutput(TestSpiderMiddleware): """Invalid return value for process_spider_exception method""" def test_invalid_process_spider_exception(self): @@ -84,11 +84,11 @@ class ProcessSpiderExceptionInvalidOutput(SpiderMiddlewareTestCase): self.mwman._add_middleware(InvalidProcessSpiderOutputExceptionMiddleware()) self.mwman._add_middleware(RaiseExceptionProcessSpiderOutputMiddleware()) result = self._scrape_response() - self.assertIsInstance(result, Failure) - self.assertIsInstance(result.value, _InvalidOutput) + assert isinstance(result, Failure) + assert isinstance(result.value, _InvalidOutput) -class ProcessSpiderExceptionReRaise(SpiderMiddlewareTestCase): +class TestProcessSpiderExceptionReRaise(TestSpiderMiddleware): """Re raise the exception by returning None""" def test_process_spider_exception_return_none(self): @@ -103,11 +103,11 @@ class ProcessSpiderExceptionReRaise(SpiderMiddlewareTestCase): self.mwman._add_middleware(ProcessSpiderExceptionReturnNoneMiddleware()) self.mwman._add_middleware(RaiseExceptionProcessSpiderOutputMiddleware()) result = self._scrape_response() - self.assertIsInstance(result, Failure) - self.assertIsInstance(result.value, ZeroDivisionError) + assert isinstance(result, Failure) + assert isinstance(result.value, ZeroDivisionError) -class BaseAsyncSpiderMiddlewareTestCase(SpiderMiddlewareTestCase): +class TestBaseAsyncSpiderMiddleware(TestSpiderMiddleware): """Helpers for testing sync, async and mixed middlewares. Should work for process_spider_output and, when it's supported, process_start_requests. @@ -148,14 +148,13 @@ class BaseAsyncSpiderMiddlewareTestCase(SpiderMiddlewareTestCase): result = yield self._get_middleware_result( *mw_classes, start_index=start_index ) - self.assertIsInstance(result, Iterable) + assert isinstance(result, Iterable) result_list = list(result) - self.assertEqual(len(result_list), self.RESULT_COUNT) - self.assertIsInstance(result_list[0], self.ITEM_TYPE) - self.assertEqual("downgraded to a non-async" in str(log), downgrade) - self.assertEqual( - "doesn't support asynchronous spider output" in str(log), - ProcessSpiderOutputSimpleMiddleware in mw_classes, + assert len(result_list) == self.RESULT_COUNT + assert isinstance(result_list[0], self.ITEM_TYPE) + assert ("downgraded to a non-async" in str(log)) == downgrade + assert ("doesn't support asynchronous spider output" in str(log)) == ( + ProcessSpiderOutputSimpleMiddleware in mw_classes ) @defer.inlineCallbacks @@ -166,11 +165,11 @@ class BaseAsyncSpiderMiddlewareTestCase(SpiderMiddlewareTestCase): result = yield self._get_middleware_result( *mw_classes, start_index=start_index ) - self.assertIsInstance(result, AsyncIterator) + assert isinstance(result, AsyncIterator) result_list = yield deferred_from_coro(collect_asyncgen(result)) - self.assertEqual(len(result_list), self.RESULT_COUNT) - self.assertIsInstance(result_list[0], self.ITEM_TYPE) - self.assertEqual("downgraded to a non-async" in str(log), downgrade) + assert len(result_list) == self.RESULT_COUNT + assert isinstance(result_list[0], self.ITEM_TYPE) + assert ("downgraded to a non-async" in str(log)) == downgrade class ProcessSpiderOutputSimpleMiddleware: @@ -212,7 +211,7 @@ class ProcessSpiderExceptionAsyncIterableMiddleware: yield {"foo": 3} -class ProcessSpiderOutputSimple(BaseAsyncSpiderMiddlewareTestCase): +class TestProcessSpiderOutputSimple(TestBaseAsyncSpiderMiddleware): """process_spider_output tests for simple callbacks""" ITEM_TYPE = dict @@ -257,7 +256,7 @@ class ProcessSpiderOutputSimple(BaseAsyncSpiderMiddlewareTestCase): return self._test_asyncgen_base(self.MW_UNIVERSAL, self.MW_ASYNCGEN) -class ProcessSpiderOutputAsyncGen(ProcessSpiderOutputSimple): +class TestProcessSpiderOutputAsyncGen(TestProcessSpiderOutputSimple): """process_spider_output tests for async generator callbacks""" async def _scrape_func(self, *args, **kwargs): @@ -297,7 +296,7 @@ class ProcessSpiderOutputCoroutineMiddleware: return result -class ProcessSpiderOutputInvalidResult(BaseAsyncSpiderMiddlewareTestCase): +class TestProcessSpiderOutputInvalidResult(TestBaseAsyncSpiderMiddleware): @defer.inlineCallbacks def test_non_iterable(self): with pytest.raises( @@ -324,7 +323,7 @@ class ProcessStartRequestsSimpleMiddleware: yield from start_requests -class ProcessStartRequestsSimple(BaseAsyncSpiderMiddlewareTestCase): +class TestProcessStartRequestsSimple(TestBaseAsyncSpiderMiddleware): """process_start_requests tests for simple start_requests""" ITEM_TYPE = (Request, dict) @@ -373,67 +372,65 @@ class UniversalMiddlewareBothAsync: yield -class UniversalMiddlewareManagerTest(TestCase): - def setUp(self): +class TestUniversalMiddlewareManager: + def setup_method(self): self.mwman = SpiderMiddlewareManager() def test_simple_mw(self): mw = ProcessSpiderOutputSimpleMiddleware() self.mwman._add_middleware(mw) - self.assertEqual( - self.mwman.methods["process_spider_output"][0], mw.process_spider_output + assert ( + self.mwman.methods["process_spider_output"][0] == mw.process_spider_output # pylint: disable=comparison-with-callable ) def test_async_mw(self): mw = ProcessSpiderOutputAsyncGenMiddleware() self.mwman._add_middleware(mw) - self.assertEqual( - self.mwman.methods["process_spider_output"][0], mw.process_spider_output + assert ( + self.mwman.methods["process_spider_output"][0] == mw.process_spider_output # pylint: disable=comparison-with-callable ) def test_universal_mw(self): mw = ProcessSpiderOutputUniversalMiddleware() self.mwman._add_middleware(mw) - self.assertEqual( - self.mwman.methods["process_spider_output"][0], - (mw.process_spider_output, mw.process_spider_output_async), + assert self.mwman.methods["process_spider_output"][0] == ( + mw.process_spider_output, + mw.process_spider_output_async, ) def test_universal_mw_no_sync(self): with LogCapture() as log: self.mwman._add_middleware(UniversalMiddlewareNoSync()) - self.assertIn( + assert ( "UniversalMiddlewareNoSync has process_spider_output_async" - " without process_spider_output", - str(log), + " without process_spider_output" in str(log) ) - self.assertEqual(self.mwman.methods["process_spider_output"][0], None) + assert self.mwman.methods["process_spider_output"][0] is None def test_universal_mw_both_sync(self): mw = UniversalMiddlewareBothSync() with LogCapture() as log: self.mwman._add_middleware(mw) - self.assertIn( + assert ( "UniversalMiddlewareBothSync.process_spider_output_async " - "is not an async generator function", - str(log), + "is not an async generator function" in str(log) ) - self.assertEqual( - self.mwman.methods["process_spider_output"][0], mw.process_spider_output + assert ( + self.mwman.methods["process_spider_output"][0] == mw.process_spider_output # pylint: disable=comparison-with-callable ) def test_universal_mw_both_async(self): with LogCapture() as log: self.mwman._add_middleware(UniversalMiddlewareBothAsync()) - self.assertIn( + assert ( "UniversalMiddlewareBothAsync.process_spider_output " - "is an async generator function while process_spider_output_async exists", - str(log), + "is an async generator function while process_spider_output_async exists" + in str(log) ) - self.assertEqual(self.mwman.methods["process_spider_output"][0], None) + assert self.mwman.methods["process_spider_output"][0] is None -class BuiltinMiddlewareSimpleTest(BaseAsyncSpiderMiddlewareTestCase): +class TestBuiltinMiddlewareSimple(TestBaseAsyncSpiderMiddleware): ITEM_TYPE = dict MW_SIMPLE = ProcessSpiderOutputSimpleMiddleware MW_ASYNCGEN = ProcessSpiderOutputAsyncGenMiddleware @@ -474,7 +471,7 @@ class BuiltinMiddlewareSimpleTest(BaseAsyncSpiderMiddlewareTestCase): return self._test_simple_base(self.MW_UNIVERSAL) -class BuiltinMiddlewareAsyncGenTest(BuiltinMiddlewareSimpleTest): +class TestBuiltinMiddlewareAsyncGen(TestBuiltinMiddlewareSimple): async def _scrape_func(self, *args, **kwargs): for item in super()._scrape_func(): yield item @@ -503,7 +500,7 @@ class BuiltinMiddlewareAsyncGenTest(BuiltinMiddlewareSimpleTest): return self._test_asyncgen_base(self.MW_UNIVERSAL) -class ProcessSpiderExceptionTest(BaseAsyncSpiderMiddlewareTestCase): +class TestProcessSpiderException(TestBaseAsyncSpiderMiddleware): ITEM_TYPE = dict MW_SIMPLE = ProcessSpiderOutputSimpleMiddleware MW_ASYNCGEN = ProcessSpiderOutputAsyncGenMiddleware diff --git a/tests/test_spidermiddleware_depth.py b/tests/test_spidermiddleware_depth.py index e359d9cfc..dfcc141c3 100644 --- a/tests/test_spidermiddleware_depth.py +++ b/tests/test_spidermiddleware_depth.py @@ -1,5 +1,3 @@ -from unittest import TestCase - from scrapy.http import Request, Response from scrapy.spidermiddlewares.depth import DepthMiddleware from scrapy.spiders import Spider @@ -7,8 +5,8 @@ from scrapy.statscollectors import StatsCollector from scrapy.utils.test import get_crawler -class TestDepthMiddleware(TestCase): - def setUp(self): +class TestDepthMiddleware: + def setup_method(self): crawler = get_crawler(Spider) self.spider = crawler._create_spider("scrapytest.org") @@ -24,18 +22,18 @@ class TestDepthMiddleware(TestCase): result = [Request("http://scrapytest.org")] out = list(self.mw.process_spider_output(resp, result, self.spider)) - self.assertEqual(out, result) + assert out == result rdc = self.stats.get_value("request_depth_count/1", spider=self.spider) - self.assertEqual(rdc, 1) + assert rdc == 1 req.meta["depth"] = 1 out2 = list(self.mw.process_spider_output(resp, result, self.spider)) - self.assertEqual(out2, []) + assert not out2 rdm = self.stats.get_value("request_depth_max", spider=self.spider) - self.assertEqual(rdm, 1) + assert rdm == 1 - def tearDown(self): + def teardown_method(self): self.stats.close_spider(self.spider, "") diff --git a/tests/test_spidermiddleware_httperror.py b/tests/test_spidermiddleware_httperror.py index f9eb93d6b..e306579fa 100644 --- a/tests/test_spidermiddleware_httperror.py +++ b/tests/test_spidermiddleware_httperror.py @@ -1,10 +1,9 @@ import logging -from unittest import TestCase import pytest from testfixtures import LogCapture from twisted.internet import defer -from twisted.trial.unittest import TestCase as TrialTestCase +from twisted.trial.unittest import TestCase from scrapy.http import Request, Response from scrapy.settings import Settings @@ -59,8 +58,8 @@ def _responses(request, status_codes): return responses -class TestHttpErrorMiddleware(TestCase): - def setUp(self): +class TestHttpErrorMiddleware: + def setup_method(self): crawler = get_crawler(Spider) self.spider = Spider.from_crawler(crawler, name="foo") self.mw = HttpErrorMiddleware(Settings({})) @@ -68,19 +67,20 @@ class TestHttpErrorMiddleware(TestCase): self.res200, self.res404 = _responses(self.req, [200, 404]) def test_process_spider_input(self): - self.assertIsNone(self.mw.process_spider_input(self.res200, self.spider)) + assert self.mw.process_spider_input(self.res200, self.spider) is None with pytest.raises(HttpError): self.mw.process_spider_input(self.res404, self.spider) def test_process_spider_exception(self): - self.assertEqual( - [], + assert ( self.mw.process_spider_exception( self.res404, HttpError(self.res404), self.spider - ), + ) + == [] ) - self.assertIsNone( + assert ( self.mw.process_spider_exception(self.res404, Exception(), self.spider) + is None ) def test_handle_httpstatus_list(self): @@ -88,26 +88,26 @@ class TestHttpErrorMiddleware(TestCase): res.request = Request( "http://scrapytest.org", meta={"handle_httpstatus_list": [404]} ) - self.assertIsNone(self.mw.process_spider_input(res, self.spider)) + assert self.mw.process_spider_input(res, self.spider) is None self.spider.handle_httpstatus_list = [404] - self.assertIsNone(self.mw.process_spider_input(self.res404, self.spider)) + assert self.mw.process_spider_input(self.res404, self.spider) is None -class TestHttpErrorMiddlewareSettings(TestCase): +class TestHttpErrorMiddlewareSettings: """Similar test, but with settings""" - def setUp(self): + def setup_method(self): self.spider = Spider("foo") self.mw = HttpErrorMiddleware(Settings({"HTTPERROR_ALLOWED_CODES": (402,)})) self.req = Request("http://scrapytest.org") self.res200, self.res404, self.res402 = _responses(self.req, [200, 404, 402]) def test_process_spider_input(self): - self.assertIsNone(self.mw.process_spider_input(self.res200, self.spider)) + assert self.mw.process_spider_input(self.res200, self.spider) is None with pytest.raises(HttpError): self.mw.process_spider_input(self.res404, self.spider) - self.assertIsNone(self.mw.process_spider_input(self.res402, self.spider)) + assert self.mw.process_spider_input(self.res402, self.spider) is None def test_meta_overrides_settings(self): request = Request( @@ -118,27 +118,27 @@ class TestHttpErrorMiddlewareSettings(TestCase): res402 = self.res402.copy() res402.request = request - self.assertIsNone(self.mw.process_spider_input(res404, self.spider)) + assert self.mw.process_spider_input(res404, self.spider) is None with pytest.raises(HttpError): self.mw.process_spider_input(res402, self.spider) def test_spider_override_settings(self): self.spider.handle_httpstatus_list = [404] - self.assertIsNone(self.mw.process_spider_input(self.res404, self.spider)) + assert self.mw.process_spider_input(self.res404, self.spider) is None with pytest.raises(HttpError): self.mw.process_spider_input(self.res402, self.spider) -class TestHttpErrorMiddlewareHandleAll(TestCase): - def setUp(self): +class TestHttpErrorMiddlewareHandleAll: + def setup_method(self): self.spider = Spider("foo") self.mw = HttpErrorMiddleware(Settings({"HTTPERROR_ALLOW_ALL": True})) self.req = Request("http://scrapytest.org") self.res200, self.res404, self.res402 = _responses(self.req, [200, 404, 402]) def test_process_spider_input(self): - self.assertIsNone(self.mw.process_spider_input(self.res200, self.spider)) - self.assertIsNone(self.mw.process_spider_input(self.res404, self.spider)) + assert self.mw.process_spider_input(self.res200, self.spider) is None + assert self.mw.process_spider_input(self.res404, self.spider) is None def test_meta_overrides_settings(self): request = Request( @@ -149,7 +149,7 @@ class TestHttpErrorMiddlewareHandleAll(TestCase): res402 = self.res402.copy() res402.request = request - self.assertIsNone(self.mw.process_spider_input(res404, self.spider)) + assert self.mw.process_spider_input(res404, self.spider) is None with pytest.raises(HttpError): self.mw.process_spider_input(res402, self.spider) @@ -169,10 +169,10 @@ class TestHttpErrorMiddlewareHandleAll(TestCase): with pytest.raises(HttpError): mw.process_spider_input(res404, self.spider) - self.assertIsNone(mw.process_spider_input(res402, self.spider)) + assert mw.process_spider_input(res402, self.spider) is None -class TestHttpErrorMiddlewareIntegrational(TrialTestCase): +class TestHttpErrorMiddlewareIntegrational(TestCase): @classmethod def setUpClass(cls): cls.mockserver = MockServer() @@ -187,28 +187,28 @@ class TestHttpErrorMiddlewareIntegrational(TrialTestCase): crawler = get_crawler(_HttpErrorSpider) yield crawler.crawl(mockserver=self.mockserver) assert not crawler.spider.skipped, crawler.spider.skipped - self.assertEqual(crawler.spider.parsed, {"200"}) - self.assertEqual(crawler.spider.failed, {"404", "402", "500"}) + assert crawler.spider.parsed == {"200"} + assert crawler.spider.failed == {"404", "402", "500"} get_value = crawler.stats.get_value - self.assertEqual(get_value("httperror/response_ignored_count"), 3) - self.assertEqual(get_value("httperror/response_ignored_status_count/404"), 1) - self.assertEqual(get_value("httperror/response_ignored_status_count/402"), 1) - self.assertEqual(get_value("httperror/response_ignored_status_count/500"), 1) + assert get_value("httperror/response_ignored_count") == 3 + assert get_value("httperror/response_ignored_status_count/404") == 1 + assert get_value("httperror/response_ignored_status_count/402") == 1 + assert get_value("httperror/response_ignored_status_count/500") == 1 @defer.inlineCallbacks def test_logging(self): crawler = get_crawler(_HttpErrorSpider) with LogCapture() as log: yield crawler.crawl(mockserver=self.mockserver, bypass_status_codes={402}) - self.assertEqual(crawler.spider.parsed, {"200", "402"}) - self.assertEqual(crawler.spider.skipped, {"402"}) - self.assertEqual(crawler.spider.failed, {"404", "500"}) + assert crawler.spider.parsed == {"200", "402"} + assert crawler.spider.skipped == {"402"} + assert crawler.spider.failed == {"404", "500"} - self.assertIn("Ignoring response <404", str(log)) - self.assertIn("Ignoring response <500", str(log)) - self.assertNotIn("Ignoring response <200", str(log)) - self.assertNotIn("Ignoring response <402", str(log)) + assert "Ignoring response <404" in str(log) + assert "Ignoring response <500" in str(log) + assert "Ignoring response <200" not in str(log) + assert "Ignoring response <402" not in str(log) @defer.inlineCallbacks def test_logging_level(self): @@ -216,22 +216,22 @@ class TestHttpErrorMiddlewareIntegrational(TrialTestCase): crawler = get_crawler(_HttpErrorSpider) with LogCapture(level=logging.INFO) as log: yield crawler.crawl(mockserver=self.mockserver) - self.assertEqual(crawler.spider.parsed, {"200"}) - self.assertEqual(crawler.spider.failed, {"404", "402", "500"}) + assert crawler.spider.parsed == {"200"} + assert crawler.spider.failed == {"404", "402", "500"} - self.assertIn("Ignoring response <402", str(log)) - self.assertIn("Ignoring response <404", str(log)) - self.assertIn("Ignoring response <500", str(log)) - self.assertNotIn("Ignoring response <200", str(log)) + assert "Ignoring response <402" in str(log) + assert "Ignoring response <404" in str(log) + assert "Ignoring response <500" in str(log) + assert "Ignoring response <200" not in str(log) # with level WARNING, we shouldn't capture anything from HttpError crawler = get_crawler(_HttpErrorSpider) with LogCapture(level=logging.WARNING) as log: yield crawler.crawl(mockserver=self.mockserver) - self.assertEqual(crawler.spider.parsed, {"200"}) - self.assertEqual(crawler.spider.failed, {"404", "402", "500"}) + assert crawler.spider.parsed == {"200"} + assert crawler.spider.failed == {"404", "402", "500"} - self.assertNotIn("Ignoring response <402", str(log)) - self.assertNotIn("Ignoring response <404", str(log)) - self.assertNotIn("Ignoring response <500", str(log)) - self.assertNotIn("Ignoring response <200", str(log)) + assert "Ignoring response <402" not in str(log) + assert "Ignoring response <404" not in str(log) + assert "Ignoring response <500" not in str(log) + assert "Ignoring response <200" not in str(log) diff --git a/tests/test_spidermiddleware_offsite.py b/tests/test_spidermiddleware_offsite.py index 906928e01..f4563a0a4 100644 --- a/tests/test_spidermiddleware_offsite.py +++ b/tests/test_spidermiddleware_offsite.py @@ -1,5 +1,4 @@ import warnings -from unittest import TestCase from urllib.parse import urlparse from scrapy.http import Request, Response @@ -8,8 +7,8 @@ from scrapy.spiders import Spider from scrapy.utils.test import get_crawler -class TestOffsiteMiddleware(TestCase): - def setUp(self): +class TestOffsiteMiddleware: + def setup_method(self): crawler = get_crawler(Spider) self.spider = crawler._create_spider(**self._get_spiderargs()) self.mw = OffsiteMiddleware.from_crawler(crawler) @@ -46,7 +45,7 @@ class TestOffsiteMiddleware(TestCase): reqs = onsite_reqs + offsite_reqs out = list(self.mw.process_spider_output(res, reqs, self.spider)) - self.assertEqual(out, onsite_reqs) + assert out == onsite_reqs class TestOffsiteMiddleware2(TestOffsiteMiddleware): @@ -57,7 +56,7 @@ class TestOffsiteMiddleware2(TestOffsiteMiddleware): res = Response("http://scrapytest.org") reqs = [Request("http://a.com/b.html"), Request("http://b.com/1")] out = list(self.mw.process_spider_output(res, reqs, self.spider)) - self.assertEqual(out, reqs) + assert out == reqs class TestOffsiteMiddleware3(TestOffsiteMiddleware2): @@ -77,7 +76,7 @@ class TestOffsiteMiddleware4(TestOffsiteMiddleware3): res = Response("http://scrapytest.org") reqs = [Request("http://scrapytest.org/1")] out = list(self.mw.process_spider_output(res, reqs, self.spider)) - self.assertEqual(out, reqs) + assert out == reqs class TestOffsiteMiddleware5(TestOffsiteMiddleware4): diff --git a/tests/test_spidermiddleware_output_chain.py b/tests/test_spidermiddleware_output_chain.py index e51957497..6e26a85ea 100644 --- a/tests/test_spidermiddleware_output_chain.py +++ b/tests/test_spidermiddleware_output_chain.py @@ -324,9 +324,9 @@ class TestSpiderMiddleware(TestCase): was enqueued from the recovery middleware) """ log = yield self.crawl_log(RecoverySpider) - self.assertIn("Middleware: TabError exception caught", str(log)) - self.assertEqual(str(log).count("Middleware: TabError exception caught"), 1) - self.assertIn("'item_scraped_count': 3", str(log)) + assert "Middleware: TabError exception caught" in str(log) + assert str(log).count("Middleware: TabError exception caught") == 1 + assert "'item_scraped_count': 3" in str(log) @defer.inlineCallbacks def test_recovery_asyncgen(self): @@ -334,9 +334,9 @@ class TestSpiderMiddleware(TestCase): Same as test_recovery but with an async callback. """ log = yield self.crawl_log(RecoveryAsyncGenSpider) - self.assertIn("Middleware: TabError exception caught", str(log)) - self.assertEqual(str(log).count("Middleware: TabError exception caught"), 1) - self.assertIn("'item_scraped_count': 3", str(log)) + assert "Middleware: TabError exception caught" in str(log) + assert str(log).count("Middleware: TabError exception caught") == 1 + assert "'item_scraped_count': 3" in str(log) @defer.inlineCallbacks def test_process_spider_input_without_errback(self): @@ -345,8 +345,8 @@ class TestSpiderMiddleware(TestCase): process_spider_exception chain from the start if the Request has no errback """ log1 = yield self.crawl_log(ProcessSpiderInputSpiderWithoutErrback) - self.assertIn("Middleware: will raise IndexError", str(log1)) - self.assertIn("Middleware: IndexError exception caught", str(log1)) + assert "Middleware: will raise IndexError" in str(log1) + assert "Middleware: IndexError exception caught" in str(log1) @defer.inlineCallbacks def test_process_spider_input_with_errback(self): @@ -355,12 +355,12 @@ class TestSpiderMiddleware(TestCase): process_spider_exception chain if the Request has an errback """ log1 = yield self.crawl_log(ProcessSpiderInputSpiderWithErrback) - self.assertNotIn("Middleware: IndexError exception caught", str(log1)) - self.assertIn("Middleware: will raise IndexError", str(log1)) - self.assertIn("Got a Failure on the Request errback", str(log1)) - self.assertIn("{'from': 'errback'}", str(log1)) - self.assertNotIn("{'from': 'callback'}", str(log1)) - self.assertIn("'item_scraped_count': 1", str(log1)) + assert "Middleware: IndexError exception caught" not in str(log1) + assert "Middleware: will raise IndexError" in str(log1) + assert "Got a Failure on the Request errback" in str(log1) + assert "{'from': 'errback'}" in str(log1) + assert "{'from': 'callback'}" not in str(log1) + assert "'item_scraped_count': 1" in str(log1) @defer.inlineCallbacks def test_generator_callback(self): @@ -370,8 +370,8 @@ class TestSpiderMiddleware(TestCase): exception is raised should be processed normally. """ log2 = yield self.crawl_log(GeneratorCallbackSpider) - self.assertIn("Middleware: ImportError exception caught", str(log2)) - self.assertIn("'item_scraped_count': 2", str(log2)) + assert "Middleware: ImportError exception caught" in str(log2) + assert "'item_scraped_count': 2" in str(log2) @defer.inlineCallbacks def test_async_generator_callback(self): @@ -379,8 +379,8 @@ class TestSpiderMiddleware(TestCase): Same as test_generator_callback but with an async callback. """ log2 = yield self.crawl_log(AsyncGeneratorCallbackSpider) - self.assertIn("Middleware: ImportError exception caught", str(log2)) - self.assertIn("'item_scraped_count': 2", str(log2)) + assert "Middleware: ImportError exception caught" in str(log2) + assert "'item_scraped_count': 2" in str(log2) @defer.inlineCallbacks def test_generator_callback_right_after_callback(self): @@ -389,8 +389,8 @@ class TestSpiderMiddleware(TestCase): even if the middleware is placed right after the spider """ log21 = yield self.crawl_log(GeneratorCallbackSpiderMiddlewareRightAfterSpider) - self.assertIn("Middleware: ImportError exception caught", str(log21)) - self.assertIn("'item_scraped_count': 2", str(log21)) + assert "Middleware: ImportError exception caught" in str(log21) + assert "'item_scraped_count': 2" in str(log21) @defer.inlineCallbacks def test_not_a_generator_callback(self): @@ -399,8 +399,8 @@ class TestSpiderMiddleware(TestCase): be caught by the process_spider_exception chain. No items should be processed. """ log3 = yield self.crawl_log(NotGeneratorCallbackSpider) - self.assertIn("Middleware: ZeroDivisionError exception caught", str(log3)) - self.assertNotIn("item_scraped_count", str(log3)) + assert "Middleware: ZeroDivisionError exception caught" in str(log3) + assert "item_scraped_count" not in str(log3) @defer.inlineCallbacks def test_not_a_generator_callback_right_after_callback(self): @@ -411,8 +411,8 @@ class TestSpiderMiddleware(TestCase): log31 = yield self.crawl_log( NotGeneratorCallbackSpiderMiddlewareRightAfterSpider ) - self.assertIn("Middleware: ZeroDivisionError exception caught", str(log31)) - self.assertNotIn("item_scraped_count", str(log31)) + assert "Middleware: ZeroDivisionError exception caught" in str(log31) + assert "item_scraped_count" not in str(log31) @defer.inlineCallbacks def test_generator_output_chain(self): @@ -425,22 +425,22 @@ class TestSpiderMiddleware(TestCase): process_spider_exception chain) """ log4 = yield self.crawl_log(GeneratorOutputChainSpider) - self.assertIn("'item_scraped_count': 2", str(log4)) - self.assertIn( - "GeneratorRecoverMiddleware.process_spider_exception: LookupError caught", - str(log4), + assert "'item_scraped_count': 2" in str(log4) + assert ( + "GeneratorRecoverMiddleware.process_spider_exception: LookupError caught" + in str(log4) ) - self.assertIn( - "GeneratorDoNothingAfterFailureMiddleware.process_spider_exception: LookupError caught", - str(log4), + assert ( + "GeneratorDoNothingAfterFailureMiddleware.process_spider_exception: LookupError caught" + in str(log4) ) - self.assertNotIn( - "GeneratorFailMiddleware.process_spider_exception: LookupError caught", - str(log4), + assert ( + "GeneratorFailMiddleware.process_spider_exception: LookupError caught" + not in str(log4) ) - self.assertNotIn( - "GeneratorDoNothingAfterRecoveryMiddleware.process_spider_exception: LookupError caught", - str(log4), + assert ( + "GeneratorDoNothingAfterRecoveryMiddleware.process_spider_exception: LookupError caught" + not in str(log4) ) item_from_callback = { "processed": [ @@ -457,9 +457,9 @@ class TestSpiderMiddleware(TestCase): "GeneratorDoNothingAfterRecoveryMiddleware.process_spider_output", ] } - self.assertIn(str(item_from_callback), str(log4)) - self.assertIn(str(item_recovered), str(log4)) - self.assertNotIn("parse-second-item", str(log4)) + assert str(item_from_callback) in str(log4) + assert str(item_recovered) in str(log4) + assert "parse-second-item" not in str(log4) @defer.inlineCallbacks def test_not_a_generator_output_chain(self): @@ -472,22 +472,22 @@ class TestSpiderMiddleware(TestCase): from the spider callback are lost) """ log5 = yield self.crawl_log(NotGeneratorOutputChainSpider) - self.assertIn("'item_scraped_count': 1", str(log5)) - self.assertIn( - "GeneratorRecoverMiddleware.process_spider_exception: ReferenceError caught", - str(log5), + assert "'item_scraped_count': 1" in str(log5) + assert ( + "GeneratorRecoverMiddleware.process_spider_exception: ReferenceError caught" + in str(log5) ) - self.assertIn( - "GeneratorDoNothingAfterFailureMiddleware.process_spider_exception: ReferenceError caught", - str(log5), + assert ( + "GeneratorDoNothingAfterFailureMiddleware.process_spider_exception: ReferenceError caught" + in str(log5) ) - self.assertNotIn( - "GeneratorFailMiddleware.process_spider_exception: ReferenceError caught", - str(log5), + assert ( + "GeneratorFailMiddleware.process_spider_exception: ReferenceError caught" + not in str(log5) ) - self.assertNotIn( - "GeneratorDoNothingAfterRecoveryMiddleware.process_spider_exception: ReferenceError caught", - str(log5), + assert ( + "GeneratorDoNothingAfterRecoveryMiddleware.process_spider_exception: ReferenceError caught" + not in str(log5) ) item_recovered = { "processed": [ @@ -495,6 +495,6 @@ class TestSpiderMiddleware(TestCase): "NotGeneratorDoNothingAfterRecoveryMiddleware.process_spider_output", ] } - self.assertIn(str(item_recovered), str(log5)) - self.assertNotIn("parse-first-item", str(log5)) - self.assertNotIn("parse-second-item", str(log5)) + assert str(item_recovered) in str(log5) + assert "parse-first-item" not in str(log5) + assert "parse-second-item" not in str(log5) diff --git a/tests/test_spidermiddleware_referer.py b/tests/test_spidermiddleware_referer.py index 01a87c645..300a40c13 100644 --- a/tests/test_spidermiddleware_referer.py +++ b/tests/test_spidermiddleware_referer.py @@ -2,7 +2,6 @@ from __future__ import annotations import warnings from typing import Any -from unittest import TestCase from urllib.parse import urlparse import pytest @@ -35,7 +34,7 @@ from scrapy.spidermiddlewares.referer import ( from scrapy.spiders import Spider -class TestRefererMiddleware(TestCase): +class TestRefererMiddleware: req_meta: dict[str, Any] = {} resp_headers: dict[str, str] = {} settings: dict[str, Any] = {} @@ -43,7 +42,7 @@ class TestRefererMiddleware(TestCase): ("http://scrapytest.org", "http://scrapytest.org/", b"http://scrapytest.org"), ] - def setUp(self): + def setup_method(self): self.spider = Spider("foo") settings = Settings(self.settings) self.mw = RefererMiddleware(settings) @@ -59,7 +58,7 @@ class TestRefererMiddleware(TestCase): response = self.get_response(origin) request = self.get_request(target) out = list(self.mw.process_spider_output(response, [request], self.spider)) - self.assertEqual(out[0].headers.get("Referer"), referrer) + assert out[0].headers.get("Referer") == referrer class MixinDefault: @@ -773,7 +772,7 @@ class TestRequestMetaPrecedence003(MixinUnsafeUrl, TestRefererMiddleware): req_meta = {"referrer_policy": POLICY_UNSAFE_URL} -class TestRequestMetaSettingFallback(TestCase): +class TestRequestMetaSettingFallback: params = [ ( # When an unknown policy is referenced in Request.meta @@ -844,14 +843,14 @@ class TestRequestMetaSettingFallback(TestCase): with warnings.catch_warnings(record=True) as w: policy = mw.policy(response, request) - self.assertIsInstance(policy, policy_class) + assert isinstance(policy, policy_class) if check_warning: - self.assertEqual(len(w), 1) - self.assertEqual(w[0].category, RuntimeWarning, w[0].message) + assert len(w) == 1 + assert w[0].category is RuntimeWarning, w[0].message -class TestSettingsPolicyByName(TestCase): +class TestSettingsPolicyByName: def test_valid_name(self): for s, p in [ (POLICY_SCRAPY_DEFAULT, DefaultReferrerPolicy), @@ -866,7 +865,7 @@ class TestSettingsPolicyByName(TestCase): ]: settings = Settings({"REFERRER_POLICY": s}) mw = RefererMiddleware(settings) - self.assertEqual(mw.default_policy, p) + assert mw.default_policy == p def test_valid_name_casevariants(self): for s, p in [ @@ -882,7 +881,7 @@ class TestSettingsPolicyByName(TestCase): ]: settings = Settings({"REFERRER_POLICY": s.upper()}) mw = RefererMiddleware(settings) - self.assertEqual(mw.default_policy, p) + assert mw.default_policy == p def test_invalid_name(self): settings = Settings({"REFERRER_POLICY": "some-custom-unknown-policy"}) @@ -902,7 +901,7 @@ class TestSettingsPolicyByName(TestCase): } ) mw1 = RefererMiddleware(settings1) - self.assertEqual(mw1.default_policy, StrictOriginWhenCrossOriginPolicy) + assert mw1.default_policy == StrictOriginWhenCrossOriginPolicy # test parsing with space(s) after the comma settings2 = Settings( @@ -915,7 +914,7 @@ class TestSettingsPolicyByName(TestCase): } ) mw2 = RefererMiddleware(settings2) - self.assertEqual(mw2.default_policy, UnsafeUrlPolicy) + assert mw2.default_policy == UnsafeUrlPolicy def test_multiple_policy_tokens_all_invalid(self): settings = Settings( @@ -1003,7 +1002,7 @@ class TestReferrerOnRedirect(TestRefererMiddleware): ), ] - def setUp(self): + def setup_method(self): self.spider = Spider("foo") settings = Settings(self.settings) self.referrermw = RefererMiddleware(settings) @@ -1023,7 +1022,7 @@ class TestReferrerOnRedirect(TestRefererMiddleware): out = list( self.referrermw.process_spider_output(response, [request], self.spider) ) - self.assertEqual(out[0].headers.get("Referer"), init_referrer) + assert out[0].headers.get("Referer") == init_referrer for status, url in redirections: response = Response( @@ -1035,7 +1034,7 @@ class TestReferrerOnRedirect(TestRefererMiddleware): self.referrermw.request_scheduled(request, self.spider) assert isinstance(request, Request) - self.assertEqual(request.headers.get("Referer"), final_referrer) + assert request.headers.get("Referer") == final_referrer class TestReferrerOnRedirectNoReferrer(TestReferrerOnRedirect): diff --git a/tests/test_spidermiddleware_urllength.py b/tests/test_spidermiddleware_urllength.py index 1a0f2e223..5cc3cdc6c 100644 --- a/tests/test_spidermiddleware_urllength.py +++ b/tests/test_spidermiddleware_urllength.py @@ -1,5 +1,3 @@ -from unittest import TestCase - from testfixtures import LogCapture from scrapy.http import Request, Response @@ -8,8 +6,8 @@ from scrapy.spiders import Spider from scrapy.utils.test import get_crawler -class TestUrlLengthMiddleware(TestCase): - def setUp(self): +class TestUrlLengthMiddleware: + def setup_method(self): self.maxlength = 25 crawler = get_crawler(Spider, {"URLLENGTH_LIMIT": self.maxlength}) self.spider = crawler._create_spider("foo") @@ -27,7 +25,7 @@ class TestUrlLengthMiddleware(TestCase): ) def test_middleware_works(self): - self.assertEqual(self.process_spider_output(), [self.short_url_req]) + assert self.process_spider_output() == [self.short_url_req] def test_logging(self): with LogCapture() as log: @@ -36,6 +34,6 @@ class TestUrlLengthMiddleware(TestCase): ric = self.stats.get_value( "urllength/request_ignored_count", spider=self.spider ) - self.assertEqual(ric, 1) + assert ric == 1 - self.assertIn(f"Ignoring link (url length > {self.maxlength})", str(log)) + assert f"Ignoring link (url length > {self.maxlength})" in str(log) diff --git a/tests/test_spiderstate.py b/tests/test_spiderstate.py index 72692afab..cd31891a0 100644 --- a/tests/test_spiderstate.py +++ b/tests/test_spiderstate.py @@ -3,7 +3,6 @@ from datetime import datetime, timezone from tempfile import mkdtemp import pytest -from twisted.trial import unittest from scrapy.exceptions import NotConfigured from scrapy.extensions.spiderstate import SpiderState @@ -11,7 +10,7 @@ from scrapy.spiders import Spider from scrapy.utils.test import get_crawler -class SpiderStateTest(unittest.TestCase): +class TestSpiderState: def test_store_load(self): jobdir = mkdtemp() try: @@ -27,7 +26,7 @@ class SpiderStateTest(unittest.TestCase): spider2 = Spider(name="default") ss2 = SpiderState(jobdir) ss2.spider_opened(spider2) - self.assertEqual(spider.state, {"one": 1, "dt": dt}) + assert spider.state == {"one": 1, "dt": dt} ss2.spider_closed(spider2) finally: shutil.rmtree(jobdir) @@ -38,7 +37,7 @@ class SpiderStateTest(unittest.TestCase): spider = Spider(name="default") ss = SpiderState() ss.spider_opened(spider) - self.assertEqual(spider.state, {}) + assert spider.state == {} ss.spider_closed(spider) def test_not_configured(self): diff --git a/tests/test_squeues.py b/tests/test_squeues.py index 8556b75dd..6283b9ad6 100644 --- a/tests/test_squeues.py +++ b/tests/test_squeues.py @@ -50,9 +50,9 @@ class FifoDiskQueueTestMixin: q.push("a") q.push(123) q.push({"a": "dict"}) - self.assertEqual(q.pop(), "a") - self.assertEqual(q.pop(), 123) - self.assertEqual(q.pop(), {"a": "dict"}) + assert q.pop() == "a" + assert q.pop() == 123 + assert q.pop() == {"a": "dict"} test_nonserializable_object = nonserializable_object_test @@ -92,7 +92,7 @@ class PickleFifoDiskQueueTest(t.FifoDiskQueueTest, FifoDiskQueueTestMixin): q.push(i) i2 = q.pop() assert isinstance(i2, MyItem) - self.assertEqual(i, i2) + assert i == i2 def test_serialize_loader(self): q = self.queue() @@ -101,7 +101,7 @@ class PickleFifoDiskQueueTest(t.FifoDiskQueueTest, FifoDiskQueueTestMixin): loader2 = q.pop() assert isinstance(loader2, MyLoader) assert loader2.default_item_class is MyItem - self.assertEqual(loader2.name_out("x"), "xx") + assert loader2.name_out("x") == "xx" def test_serialize_request_recursive(self): q = self.queue() @@ -110,23 +110,26 @@ class PickleFifoDiskQueueTest(t.FifoDiskQueueTest, FifoDiskQueueTestMixin): q.push(r) r2 = q.pop() assert isinstance(r2, Request) - self.assertEqual(r.url, r2.url) + assert r.url == r2.url assert r2.meta["request"] is r2 def test_non_pickable_object(self): q = self.queue() - try: + with pytest.raises( + ValueError, + match="Can't (get|pickle) local object|Can't pickle .*: it's not found as", + ) as exc_info: q.push(lambda x: x) - except ValueError as exc: - if hasattr(sys, "pypy_version_info"): - self.assertIsInstance(exc.__context__, pickle.PicklingError) - else: - self.assertIsInstance(exc.__context__, AttributeError) + if hasattr(sys, "pypy_version_info"): + assert isinstance(exc_info.value.__context__, pickle.PicklingError) + else: + assert isinstance(exc_info.value.__context__, AttributeError) sel = Selector(text="<html><body><p>some text</p></body></html>") - try: + with pytest.raises( + ValueError, match="can't pickle Selector objects" + ) as exc_info: q.push(sel) - except ValueError as exc: - self.assertIsInstance(exc.__context__, TypeError) + assert isinstance(exc_info.value.__context__, TypeError) class ChunkSize1PickleFifoDiskQueueTest(PickleFifoDiskQueueTest): @@ -151,9 +154,9 @@ class LifoDiskQueueTestMixin: q.push("a") q.push(123) q.push({"a": "dict"}) - self.assertEqual(q.pop(), {"a": "dict"}) - self.assertEqual(q.pop(), 123) - self.assertEqual(q.pop(), "a") + assert q.pop() == {"a": "dict"} + assert q.pop() == 123 + assert q.pop() == "a" test_nonserializable_object = nonserializable_object_test @@ -173,7 +176,7 @@ class PickleLifoDiskQueueTest(t.LifoDiskQueueTest, LifoDiskQueueTestMixin): q.push(i) i2 = q.pop() assert isinstance(i2, MyItem) - self.assertEqual(i, i2) + assert i == i2 def test_serialize_loader(self): q = self.queue() @@ -182,7 +185,7 @@ class PickleLifoDiskQueueTest(t.LifoDiskQueueTest, LifoDiskQueueTestMixin): loader2 = q.pop() assert isinstance(loader2, MyLoader) assert loader2.default_item_class is MyItem - self.assertEqual(loader2.name_out("x"), "xx") + assert loader2.name_out("x") == "xx" def test_serialize_request_recursive(self): q = self.queue() @@ -191,5 +194,5 @@ class PickleLifoDiskQueueTest(t.LifoDiskQueueTest, LifoDiskQueueTestMixin): q.push(r) r2 = q.pop() assert isinstance(r2, Request) - self.assertEqual(r.url, r2.url) + assert r.url == r2.url assert r2.meta["request"] is r2 diff --git a/tests/test_squeues_request.py b/tests/test_squeues_request.py index 88f6657d8..6c153f40e 100644 --- a/tests/test_squeues_request.py +++ b/tests/test_squeues_request.py @@ -22,14 +22,14 @@ from scrapy.squeues import ( from scrapy.utils.test import get_crawler -class BaseQueueTestCase(unittest.TestCase): - def setUp(self): +class TestBaseQueue: + def setup_method(self): self.tmpdir = tempfile.mkdtemp(prefix="scrapy-queue-tests-") self.qpath = self.tempfilename() self.qdir = tempfile.mkdtemp() self.crawler = get_crawler(Spider) - def tearDown(self): + def teardown_method(self): shutil.rmtree(self.tmpdir) def tempfilename(self): @@ -48,36 +48,36 @@ class RequestQueueTestMixin: if not hasattr(queuelib.queue.FifoMemoryQueue, "peek"): raise unittest.SkipTest("The queuelib queues do not define peek") q = self.queue() - self.assertEqual(len(q), 0) - self.assertIsNone(q.peek()) - self.assertIsNone(q.pop()) + assert len(q) == 0 + assert q.peek() is None + assert q.pop() is None req = Request("http://www.example.com") q.push(req) - self.assertEqual(len(q), 1) - self.assertEqual(q.peek().url, req.url) - self.assertEqual(q.pop().url, req.url) - self.assertEqual(len(q), 0) - self.assertIsNone(q.peek()) - self.assertIsNone(q.pop()) + assert len(q) == 1 + assert q.peek().url == req.url + assert q.pop().url == req.url + assert len(q) == 0 + assert q.peek() is None + assert q.pop() is None q.close() def test_one_element_without_peek(self): if hasattr(queuelib.queue.FifoMemoryQueue, "peek"): raise unittest.SkipTest("The queuelib queues define peek") q = self.queue() - self.assertEqual(len(q), 0) - self.assertIsNone(q.pop()) + assert len(q) == 0 + assert q.pop() is None req = Request("http://www.example.com") q.push(req) - self.assertEqual(len(q), 1) + assert len(q) == 1 with pytest.raises( NotImplementedError, match="The underlying queue class does not implement 'peek'", ): q.peek() - self.assertEqual(q.pop().url, req.url) - self.assertEqual(len(q), 0) - self.assertIsNone(q.pop()) + assert q.pop().url == req.url + assert len(q) == 0 + assert q.pop() is None q.close() @@ -86,35 +86,35 @@ class FifoQueueMixin(RequestQueueTestMixin): if not hasattr(queuelib.queue.FifoMemoryQueue, "peek"): raise unittest.SkipTest("The queuelib queues do not define peek") q = self.queue() - self.assertEqual(len(q), 0) - self.assertIsNone(q.peek()) - self.assertIsNone(q.pop()) + assert len(q) == 0 + assert q.peek() is None + assert q.pop() is None req1 = Request("http://www.example.com/1") req2 = Request("http://www.example.com/2") req3 = Request("http://www.example.com/3") q.push(req1) q.push(req2) q.push(req3) - self.assertEqual(len(q), 3) - self.assertEqual(q.peek().url, req1.url) - self.assertEqual(q.pop().url, req1.url) - self.assertEqual(len(q), 2) - self.assertEqual(q.peek().url, req2.url) - self.assertEqual(q.pop().url, req2.url) - self.assertEqual(len(q), 1) - self.assertEqual(q.peek().url, req3.url) - self.assertEqual(q.pop().url, req3.url) - self.assertEqual(len(q), 0) - self.assertIsNone(q.peek()) - self.assertIsNone(q.pop()) + assert len(q) == 3 + assert q.peek().url == req1.url + assert q.pop().url == req1.url + assert len(q) == 2 + assert q.peek().url == req2.url + assert q.pop().url == req2.url + assert len(q) == 1 + assert q.peek().url == req3.url + assert q.pop().url == req3.url + assert len(q) == 0 + assert q.peek() is None + assert q.pop() is None q.close() def test_fifo_without_peek(self): if hasattr(queuelib.queue.FifoMemoryQueue, "peek"): raise unittest.SkipTest("The queuelib queues do not define peek") q = self.queue() - self.assertEqual(len(q), 0) - self.assertIsNone(q.pop()) + assert len(q) == 0 + assert q.pop() is None req1 = Request("http://www.example.com/1") req2 = Request("http://www.example.com/2") req3 = Request("http://www.example.com/3") @@ -126,14 +126,14 @@ class FifoQueueMixin(RequestQueueTestMixin): match="The underlying queue class does not implement 'peek'", ): q.peek() - self.assertEqual(len(q), 3) - self.assertEqual(q.pop().url, req1.url) - self.assertEqual(len(q), 2) - self.assertEqual(q.pop().url, req2.url) - self.assertEqual(len(q), 1) - self.assertEqual(q.pop().url, req3.url) - self.assertEqual(len(q), 0) - self.assertIsNone(q.pop()) + assert len(q) == 3 + assert q.pop().url == req1.url + assert len(q) == 2 + assert q.pop().url == req2.url + assert len(q) == 1 + assert q.pop().url == req3.url + assert len(q) == 0 + assert q.pop() is None q.close() @@ -142,35 +142,35 @@ class LifoQueueMixin(RequestQueueTestMixin): if not hasattr(queuelib.queue.FifoMemoryQueue, "peek"): raise unittest.SkipTest("The queuelib queues do not define peek") q = self.queue() - self.assertEqual(len(q), 0) - self.assertIsNone(q.peek()) - self.assertIsNone(q.pop()) + assert len(q) == 0 + assert q.peek() is None + assert q.pop() is None req1 = Request("http://www.example.com/1") req2 = Request("http://www.example.com/2") req3 = Request("http://www.example.com/3") q.push(req1) q.push(req2) q.push(req3) - self.assertEqual(len(q), 3) - self.assertEqual(q.peek().url, req3.url) - self.assertEqual(q.pop().url, req3.url) - self.assertEqual(len(q), 2) - self.assertEqual(q.peek().url, req2.url) - self.assertEqual(q.pop().url, req2.url) - self.assertEqual(len(q), 1) - self.assertEqual(q.peek().url, req1.url) - self.assertEqual(q.pop().url, req1.url) - self.assertEqual(len(q), 0) - self.assertIsNone(q.peek()) - self.assertIsNone(q.pop()) + assert len(q) == 3 + assert q.peek().url == req3.url + assert q.pop().url == req3.url + assert len(q) == 2 + assert q.peek().url == req2.url + assert q.pop().url == req2.url + assert len(q) == 1 + assert q.peek().url == req1.url + assert q.pop().url == req1.url + assert len(q) == 0 + assert q.peek() is None + assert q.pop() is None q.close() def test_lifo_without_peek(self): if hasattr(queuelib.queue.FifoMemoryQueue, "peek"): raise unittest.SkipTest("The queuelib queues do not define peek") q = self.queue() - self.assertEqual(len(q), 0) - self.assertIsNone(q.pop()) + assert len(q) == 0 + assert q.pop() is None req1 = Request("http://www.example.com/1") req2 = Request("http://www.example.com/2") req3 = Request("http://www.example.com/3") @@ -182,46 +182,46 @@ class LifoQueueMixin(RequestQueueTestMixin): match="The underlying queue class does not implement 'peek'", ): q.peek() - self.assertEqual(len(q), 3) - self.assertEqual(q.pop().url, req3.url) - self.assertEqual(len(q), 2) - self.assertEqual(q.pop().url, req2.url) - self.assertEqual(len(q), 1) - self.assertEqual(q.pop().url, req1.url) - self.assertEqual(len(q), 0) - self.assertIsNone(q.pop()) + assert len(q) == 3 + assert q.pop().url == req3.url + assert len(q) == 2 + assert q.pop().url == req2.url + assert len(q) == 1 + assert q.pop().url == req1.url + assert len(q) == 0 + assert q.pop() is None q.close() -class PickleFifoDiskQueueRequestTest(FifoQueueMixin, BaseQueueTestCase): +class TestPickleFifoDiskQueueRequest(FifoQueueMixin, TestBaseQueue): def queue(self): return PickleFifoDiskQueue.from_crawler(crawler=self.crawler, key="pickle/fifo") -class PickleLifoDiskQueueRequestTest(LifoQueueMixin, BaseQueueTestCase): +class TestPickleLifoDiskQueueRequest(LifoQueueMixin, TestBaseQueue): def queue(self): return PickleLifoDiskQueue.from_crawler(crawler=self.crawler, key="pickle/lifo") -class MarshalFifoDiskQueueRequestTest(FifoQueueMixin, BaseQueueTestCase): +class TestMarshalFifoDiskQueueRequest(FifoQueueMixin, TestBaseQueue): def queue(self): return MarshalFifoDiskQueue.from_crawler( crawler=self.crawler, key="marshal/fifo" ) -class MarshalLifoDiskQueueRequestTest(LifoQueueMixin, BaseQueueTestCase): +class TestMarshalLifoDiskQueueRequest(LifoQueueMixin, TestBaseQueue): def queue(self): return MarshalLifoDiskQueue.from_crawler( crawler=self.crawler, key="marshal/lifo" ) -class FifoMemoryQueueRequestTest(FifoQueueMixin, BaseQueueTestCase): +class TestFifoMemoryQueueRequest(FifoQueueMixin, TestBaseQueue): def queue(self): return FifoMemoryQueue.from_crawler(crawler=self.crawler) -class LifoMemoryQueueRequestTest(LifoQueueMixin, BaseQueueTestCase): +class TestLifoMemoryQueueRequest(LifoQueueMixin, TestBaseQueue): def queue(self): return LifoMemoryQueue.from_crawler(crawler=self.crawler) diff --git a/tests/test_stats.py b/tests/test_stats.py index 3d4c7e88e..537614364 100644 --- a/tests/test_stats.py +++ b/tests/test_stats.py @@ -1,4 +1,3 @@ -import unittest from datetime import datetime from unittest import mock @@ -8,8 +7,8 @@ from scrapy.statscollectors import DummyStatsCollector, StatsCollector from scrapy.utils.test import get_crawler -class CoreStatsExtensionTest(unittest.TestCase): - def setUp(self): +class TestCoreStatsExtension: + def setup_method(self): self.crawler = get_crawler(Spider) self.spider = self.crawler._create_spider("foo") @@ -24,19 +23,16 @@ class CoreStatsExtensionTest(unittest.TestCase): ext.response_received(self.spider) ext.item_dropped({}, self.spider, ZeroDivisionError()) ext.spider_closed(self.spider, "finished") - self.assertEqual( - ext.stats._stats, - { - "start_time": fixed_datetime, - "finish_time": fixed_datetime, - "item_scraped_count": 1, - "response_received_count": 1, - "item_dropped_count": 1, - "item_dropped_reasons_count/ZeroDivisionError": 1, - "finish_reason": "finished", - "elapsed_time_seconds": 0.0, - }, - ) + assert ext.stats._stats == { + "start_time": fixed_datetime, + "finish_time": fixed_datetime, + "item_scraped_count": 1, + "response_received_count": 1, + "item_dropped_count": 1, + "item_dropped_reasons_count/ZeroDivisionError": 1, + "finish_reason": "finished", + "elapsed_time_seconds": 0.0, + } def test_core_stats_dummy_stats_collector(self): self.crawler.stats = DummyStatsCollector(self.crawler) @@ -46,51 +42,51 @@ class CoreStatsExtensionTest(unittest.TestCase): ext.response_received(self.spider) ext.item_dropped({}, self.spider, ZeroDivisionError()) ext.spider_closed(self.spider, "finished") - self.assertEqual(ext.stats._stats, {}) + assert ext.stats._stats == {} -class StatsCollectorTest(unittest.TestCase): - def setUp(self): +class TestStatsCollector: + def setup_method(self): self.crawler = get_crawler(Spider) self.spider = self.crawler._create_spider("foo") def test_collector(self): stats = StatsCollector(self.crawler) - self.assertEqual(stats.get_stats(), {}) - self.assertEqual(stats.get_value("anything"), None) - self.assertEqual(stats.get_value("anything", "default"), "default") + assert stats.get_stats() == {} + assert stats.get_value("anything") is None + assert stats.get_value("anything", "default") == "default" stats.set_value("test", "value") - self.assertEqual(stats.get_stats(), {"test": "value"}) + assert stats.get_stats() == {"test": "value"} stats.set_value("test2", 23) - self.assertEqual(stats.get_stats(), {"test": "value", "test2": 23}) - self.assertEqual(stats.get_value("test2"), 23) + assert stats.get_stats() == {"test": "value", "test2": 23} + assert stats.get_value("test2") == 23 stats.inc_value("test2") - self.assertEqual(stats.get_value("test2"), 24) + assert stats.get_value("test2") == 24 stats.inc_value("test2", 6) - self.assertEqual(stats.get_value("test2"), 30) + assert stats.get_value("test2") == 30 stats.max_value("test2", 6) - self.assertEqual(stats.get_value("test2"), 30) + assert stats.get_value("test2") == 30 stats.max_value("test2", 40) - self.assertEqual(stats.get_value("test2"), 40) + assert stats.get_value("test2") == 40 stats.max_value("test3", 1) - self.assertEqual(stats.get_value("test3"), 1) + assert stats.get_value("test3") == 1 stats.min_value("test2", 60) - self.assertEqual(stats.get_value("test2"), 40) + assert stats.get_value("test2") == 40 stats.min_value("test2", 35) - self.assertEqual(stats.get_value("test2"), 35) + assert stats.get_value("test2") == 35 stats.min_value("test4", 7) - self.assertEqual(stats.get_value("test4"), 7) + assert stats.get_value("test4") == 7 def test_dummy_collector(self): stats = DummyStatsCollector(self.crawler) - self.assertEqual(stats.get_stats(), {}) - self.assertEqual(stats.get_value("anything"), None) - self.assertEqual(stats.get_value("anything", "default"), "default") + assert stats.get_stats() == {} + assert stats.get_value("anything") is None + assert stats.get_value("anything", "default") == "default" stats.set_value("test", "value") stats.inc_value("v1") stats.max_value("v2", 100) stats.min_value("v3", 100) stats.open_spider("a") stats.set_value("test", "value", spider=self.spider) - self.assertEqual(stats.get_stats(), {}) - self.assertEqual(stats.get_stats("a"), {}) + assert stats.get_stats() == {} + assert stats.get_stats("a") == {} From 40833afc86d45543a521b0f147387f7f770a8adc Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Fri, 7 Mar 2025 22:33:41 +0400 Subject: [PATCH 414/786] Work around a queuelib test file close problem. (#6703) --- tests/test_squeues.py | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tests/test_squeues.py b/tests/test_squeues.py index 6283b9ad6..0b6ed8e11 100644 --- a/tests/test_squeues.py +++ b/tests/test_squeues.py @@ -130,6 +130,9 @@ class PickleFifoDiskQueueTest(t.FifoDiskQueueTest, FifoDiskQueueTestMixin): ) as exc_info: q.push(sel) assert isinstance(exc_info.value.__context__, TypeError) + # This seems to help with https://github.com/scrapy/queuelib/issues/70. + # It will need to remain under a queuelib version check after that bug is fixed. + del exc_info class ChunkSize1PickleFifoDiskQueueTest(PickleFifoDiskQueueTest): From 1469b2739ea566a57e0b5f8e6bb104fd19460d24 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Sat, 8 Mar 2025 20:50:54 +0400 Subject: [PATCH 415/786] Drop tests/test_loader_deprecated.py. (#6704) --- tests/test_loader_deprecated.py | 750 -------------------------------- 1 file changed, 750 deletions(-) delete mode 100644 tests/test_loader_deprecated.py diff --git a/tests/test_loader_deprecated.py b/tests/test_loader_deprecated.py deleted file mode 100644 index 0d7921b1d..000000000 --- a/tests/test_loader_deprecated.py +++ /dev/null @@ -1,750 +0,0 @@ -""" -These tests are kept as references from the ones that were ported to a itemloaders library. -Once we remove the references from scrapy, we can remove these tests. -""" - -import unittest -from functools import partial - -import pytest -from itemloaders.processors import ( - Compose, - Identity, - Join, - MapCompose, - SelectJmes, - TakeFirst, -) - -from scrapy.item import Field, Item -from scrapy.loader import ItemLoader - - -# test items -class NameItem(Item): - name = Field() - - -class SummaryItem(NameItem): - url = Field() - summary = Field() - - -# test item loaders -class NameItemLoader(ItemLoader): - default_item_class = SummaryItem - - -class ProcessorItemLoader(NameItemLoader): - name_in = MapCompose(lambda v: v.title()) - - -class DefaultedItemLoader(NameItemLoader): - default_input_processor = MapCompose(lambda v: v[:-1]) - - -# test processors -def processor_with_args(value, other=None, loader_context=None): - if "key" in loader_context: - return loader_context["key"] - return value - - -class BasicItemLoaderTest(unittest.TestCase): - def test_load_item_using_default_loader(self): - i = SummaryItem() - i["summary"] = "lala" - il = ItemLoader(item=i) - il.add_value("name", "marta") - item = il.load_item() - assert item is i - self.assertEqual(item["summary"], ["lala"]) - self.assertEqual(item["name"], ["marta"]) - - def test_load_item_using_custom_loader(self): - il = ProcessorItemLoader() - il.add_value("name", "marta") - item = il.load_item() - self.assertEqual(item["name"], ["Marta"]) - - def test_load_item_ignore_none_field_values(self): - def validate_sku(value): - # Let's assume a SKU is only digits. - return value if value.isdigit() else None - - class MyLoader(ItemLoader): - name_out = Compose(lambda vs: vs[0]) # take first which allows empty values - price_out = Compose(TakeFirst(), float) - sku_out = Compose(TakeFirst(), validate_sku) - - valid_fragment = "SKU: 1234" - invalid_fragment = "SKU: not available" - sku_re = "SKU: (.+)" - - il = MyLoader(item={}) - # Should not return "sku: None". - il.add_value("sku", [invalid_fragment], re=sku_re) - # Should not ignore empty values. - il.add_value("name", "") - il.add_value("price", ["0"]) - self.assertEqual( - il.load_item(), - { - "name": "", - "price": 0.0, - }, - ) - - il.replace_value("sku", [valid_fragment], re=sku_re) - self.assertEqual(il.load_item()["sku"], "1234") - - def test_self_referencing_loader(self): - class MyLoader(ItemLoader): - url_out = TakeFirst() - - def img_url_out(self, values): - return (self.get_output_value("url") or "") + values[0] - - il = MyLoader(item={}) - il.add_value("url", "http://example.com/") - il.add_value("img_url", "1234.png") - self.assertEqual( - il.load_item(), - { - "url": "http://example.com/", - "img_url": "http://example.com/1234.png", - }, - ) - - il = MyLoader(item={}) - il.add_value("img_url", "1234.png") - self.assertEqual( - il.load_item(), - { - "img_url": "1234.png", - }, - ) - - def test_add_value(self): - il = ProcessorItemLoader() - il.add_value("name", "marta") - self.assertEqual(il.get_collected_values("name"), ["Marta"]) - self.assertEqual(il.get_output_value("name"), ["Marta"]) - il.add_value("name", "pepe") - self.assertEqual(il.get_collected_values("name"), ["Marta", "Pepe"]) - self.assertEqual(il.get_output_value("name"), ["Marta", "Pepe"]) - - # test add object value - il.add_value("summary", {"key": 1}) - self.assertEqual(il.get_collected_values("summary"), [{"key": 1}]) - - il.add_value(None, "Jim", lambda x: {"name": x}) - self.assertEqual(il.get_collected_values("name"), ["Marta", "Pepe", "Jim"]) - - def test_add_zero(self): - il = NameItemLoader() - il.add_value("name", 0) - self.assertEqual(il.get_collected_values("name"), [0]) - - def test_replace_value(self): - il = ProcessorItemLoader() - il.replace_value("name", "marta") - self.assertEqual(il.get_collected_values("name"), ["Marta"]) - self.assertEqual(il.get_output_value("name"), ["Marta"]) - il.replace_value("name", "pepe") - self.assertEqual(il.get_collected_values("name"), ["Pepe"]) - self.assertEqual(il.get_output_value("name"), ["Pepe"]) - - il.replace_value(None, "Jim", lambda x: {"name": x}) - self.assertEqual(il.get_collected_values("name"), ["Jim"]) - - def test_get_value(self): - il = NameItemLoader() - self.assertEqual("FOO", il.get_value(["foo", "bar"], TakeFirst(), str.upper)) - self.assertEqual( - ["foo", "bar"], il.get_value(["name:foo", "name:bar"], re="name:(.*)$") - ) - self.assertEqual( - "foo", il.get_value(["name:foo", "name:bar"], TakeFirst(), re="name:(.*)$") - ) - - il.add_value("name", ["name:foo", "name:bar"], TakeFirst(), re="name:(.*)$") - self.assertEqual(["foo"], il.get_collected_values("name")) - il.replace_value("name", "name:bar", re="name:(.*)$") - self.assertEqual(["bar"], il.get_collected_values("name")) - - def test_iter_on_input_processor_input(self): - class NameFirstItemLoader(NameItemLoader): - name_in = TakeFirst() - - il = NameFirstItemLoader() - il.add_value("name", "marta") - self.assertEqual(il.get_collected_values("name"), ["marta"]) - il = NameFirstItemLoader() - il.add_value("name", ["marta", "jose"]) - self.assertEqual(il.get_collected_values("name"), ["marta"]) - - il = NameFirstItemLoader() - il.replace_value("name", "marta") - self.assertEqual(il.get_collected_values("name"), ["marta"]) - il = NameFirstItemLoader() - il.replace_value("name", ["marta", "jose"]) - self.assertEqual(il.get_collected_values("name"), ["marta"]) - - il = NameFirstItemLoader() - il.add_value("name", "marta") - il.add_value("name", ["jose", "pedro"]) - self.assertEqual(il.get_collected_values("name"), ["marta", "jose"]) - - def test_map_compose_filter(self): - def filter_world(x): - return None if x == "world" else x - - proc = MapCompose(filter_world, str.upper) - self.assertEqual( - proc(["hello", "world", "this", "is", "scrapy"]), - ["HELLO", "THIS", "IS", "SCRAPY"], - ) - - def test_map_compose_filter_multil(self): - class TestItemLoader(NameItemLoader): - name_in = MapCompose(lambda v: v.title(), lambda v: v[:-1]) - - il = TestItemLoader() - il.add_value("name", "marta") - self.assertEqual(il.get_output_value("name"), ["Mart"]) - item = il.load_item() - self.assertEqual(item["name"], ["Mart"]) - - def test_default_input_processor(self): - il = DefaultedItemLoader() - il.add_value("name", "marta") - self.assertEqual(il.get_output_value("name"), ["mart"]) - - def test_inherited_default_input_processor(self): - class InheritDefaultedItemLoader(DefaultedItemLoader): - pass - - il = InheritDefaultedItemLoader() - il.add_value("name", "marta") - self.assertEqual(il.get_output_value("name"), ["mart"]) - - def test_input_processor_inheritance(self): - class ChildItemLoader(ProcessorItemLoader): - url_in = MapCompose(lambda v: v.lower()) - - il = ChildItemLoader() - il.add_value("url", "HTTP://scrapy.ORG") - self.assertEqual(il.get_output_value("url"), ["http://scrapy.org"]) - il.add_value("name", "marta") - self.assertEqual(il.get_output_value("name"), ["Marta"]) - - class ChildChildItemLoader(ChildItemLoader): - url_in = MapCompose(lambda v: v.upper()) - summary_in = MapCompose(lambda v: v) - - il = ChildChildItemLoader() - il.add_value("url", "http://scrapy.org") - self.assertEqual(il.get_output_value("url"), ["HTTP://SCRAPY.ORG"]) - il.add_value("name", "marta") - self.assertEqual(il.get_output_value("name"), ["Marta"]) - - def test_empty_map_compose(self): - class IdentityDefaultedItemLoader(DefaultedItemLoader): - name_in = MapCompose() - - il = IdentityDefaultedItemLoader() - il.add_value("name", "marta") - self.assertEqual(il.get_output_value("name"), ["marta"]) - - def test_identity_input_processor(self): - class IdentityDefaultedItemLoader(DefaultedItemLoader): - name_in = Identity() - - il = IdentityDefaultedItemLoader() - il.add_value("name", "marta") - self.assertEqual(il.get_output_value("name"), ["marta"]) - - def test_extend_custom_input_processors(self): - class ChildItemLoader(ProcessorItemLoader): - name_in = MapCompose(ProcessorItemLoader.name_in, str.swapcase) - - il = ChildItemLoader() - il.add_value("name", "marta") - self.assertEqual(il.get_output_value("name"), ["mARTA"]) - - def test_extend_default_input_processors(self): - class ChildDefaultedItemLoader(DefaultedItemLoader): - name_in = MapCompose( - DefaultedItemLoader.default_input_processor, str.swapcase - ) - - il = ChildDefaultedItemLoader() - il.add_value("name", "marta") - self.assertEqual(il.get_output_value("name"), ["MART"]) - - def test_output_processor_using_function(self): - il = ProcessorItemLoader() - il.add_value("name", ["mar", "ta"]) - self.assertEqual(il.get_output_value("name"), ["Mar", "Ta"]) - - class TakeFirstItemLoader(ProcessorItemLoader): - name_out = " ".join - - il = TakeFirstItemLoader() - il.add_value("name", ["mar", "ta"]) - self.assertEqual(il.get_output_value("name"), "Mar Ta") - - def test_output_processor_error(self): - class TestItemLoader(ItemLoader): - default_item_class = SummaryItem - name_out = MapCompose(float) - - il = TestItemLoader() - il.add_value("name", ["$10"]) - try: - float("$10") - except Exception as e: - expected_exc_str = str(e) - - exc = None - try: - il.load_item() - except Exception as e: - exc = e - assert isinstance(exc, ValueError) - s = str(exc) - assert "name" in s, s - assert "$10" in s, s - assert "ValueError" in s, s - assert expected_exc_str in s, s - - def test_output_processor_using_classes(self): - il = ProcessorItemLoader() - il.add_value("name", ["mar", "ta"]) - self.assertEqual(il.get_output_value("name"), ["Mar", "Ta"]) - - class TakeFirstItemLoader(ProcessorItemLoader): - name_out = Join() - - il = TakeFirstItemLoader() - il.add_value("name", ["mar", "ta"]) - self.assertEqual(il.get_output_value("name"), "Mar Ta") - - class TakeFirstItemLoader2(ProcessorItemLoader): - name_out = Join("<br>") - - il = TakeFirstItemLoader2() - il.add_value("name", ["mar", "ta"]) - self.assertEqual(il.get_output_value("name"), "Mar<br>Ta") - - def test_default_output_processor(self): - il = ProcessorItemLoader() - il.add_value("name", ["mar", "ta"]) - self.assertEqual(il.get_output_value("name"), ["Mar", "Ta"]) - - class LalaItemLoader(ProcessorItemLoader): - default_output_processor = Identity() - - il = LalaItemLoader() - il.add_value("name", ["mar", "ta"]) - self.assertEqual(il.get_output_value("name"), ["Mar", "Ta"]) - - def test_loader_context_on_declaration(self): - class ChildItemLoader(ProcessorItemLoader): - url_in = MapCompose(processor_with_args, key="val") - - il = ChildItemLoader() - il.add_value("url", "text") - self.assertEqual(il.get_output_value("url"), ["val"]) - il.replace_value("url", "text2") - self.assertEqual(il.get_output_value("url"), ["val"]) - - def test_loader_context_on_instantiation(self): - class ChildItemLoader(ProcessorItemLoader): - url_in = MapCompose(processor_with_args) - - il = ChildItemLoader(key="val") - il.add_value("url", "text") - self.assertEqual(il.get_output_value("url"), ["val"]) - il.replace_value("url", "text2") - self.assertEqual(il.get_output_value("url"), ["val"]) - - def test_loader_context_on_assign(self): - class ChildItemLoader(ProcessorItemLoader): - url_in = MapCompose(processor_with_args) - - il = ChildItemLoader() - il.context["key"] = "val" - il.add_value("url", "text") - self.assertEqual(il.get_output_value("url"), ["val"]) - il.replace_value("url", "text2") - self.assertEqual(il.get_output_value("url"), ["val"]) - - def test_item_passed_to_input_processor_functions(self): - def processor(value, loader_context): - return loader_context["item"]["name"] - - class ChildItemLoader(ProcessorItemLoader): - url_in = MapCompose(processor) - - it = SummaryItem(name="marta") - il = ChildItemLoader(item=it) - il.add_value("url", "text") - self.assertEqual(il.get_output_value("url"), ["marta"]) - il.replace_value("url", "text2") - self.assertEqual(il.get_output_value("url"), ["marta"]) - - def test_compose_processor(self): - class TestItemLoader(NameItemLoader): - name_out = Compose(lambda v: v[0], lambda v: v.title(), lambda v: v[:-1]) - - il = TestItemLoader() - il.add_value("name", ["marta", "other"]) - self.assertEqual(il.get_output_value("name"), "Mart") - item = il.load_item() - self.assertEqual(item["name"], "Mart") - - def test_partial_processor(self): - def join(values, sep=None, loader_context=None, ignored=None): - if sep is not None: - return sep.join(values) - if loader_context and "sep" in loader_context: - return loader_context["sep"].join(values) - return "".join(values) - - class TestItemLoader(NameItemLoader): - name_out = Compose(partial(join, sep="+")) - url_out = Compose(partial(join, loader_context={"sep": "."})) - summary_out = Compose(partial(join, ignored="foo")) - - il = TestItemLoader() - il.add_value("name", ["rabbit", "hole"]) - il.add_value("url", ["rabbit", "hole"]) - il.add_value("summary", ["rabbit", "hole"]) - item = il.load_item() - self.assertEqual(item["name"], "rabbit+hole") - self.assertEqual(item["url"], "rabbit.hole") - self.assertEqual(item["summary"], "rabbithole") - - def test_error_input_processor(self): - class TestItem(Item): - name = Field() - - class TestItemLoader(ItemLoader): - default_item_class = TestItem - name_in = MapCompose(float) - - il = TestItemLoader() - with pytest.raises( - ValueError, - match="Error with input processor MapCompose: .* " - "error='ValueError: Error in MapCompose .* " - "error='ValueError: could not convert", - ): - il.add_value("name", ["marta", "other"]) - - def test_error_output_processor(self): - class TestItem(Item): - name = Field() - - class TestItemLoader(ItemLoader): - default_item_class = TestItem - name_out = Compose(Join(), float) - - il = TestItemLoader() - il.add_value("name", "marta") - with pytest.raises( - ValueError, - match="Error with output processor: .* " - "error='ValueError: Error in Compose .* " - "error='ValueError: could not convert", - ): - il.load_item() - - def test_error_processor_as_argument(self): - class TestItem(Item): - name = Field() - - class TestItemLoader(ItemLoader): - default_item_class = TestItem - - il = TestItemLoader() - with pytest.raises( - ValueError, - match=r"Error with processor Compose .* " - r"error='ValueError: Error in Compose .* " - r"error='TypeError: float\(\) argument", - ): - il.add_value("name", ["marta", "other"], Compose(float)) - - -class InitializationFromDictTest(unittest.TestCase): - item_class = dict - - def test_keep_single_value(self): - """Loaded item should contain values from the initial item""" - input_item = self.item_class(name="foo") - il = ItemLoader(item=input_item) - loaded_item = il.load_item() - self.assertIsInstance(loaded_item, self.item_class) - self.assertEqual(dict(loaded_item), {"name": ["foo"]}) - - def test_keep_list(self): - """Loaded item should contain values from the initial item""" - input_item = self.item_class(name=["foo", "bar"]) - il = ItemLoader(item=input_item) - loaded_item = il.load_item() - self.assertIsInstance(loaded_item, self.item_class) - self.assertEqual(dict(loaded_item), {"name": ["foo", "bar"]}) - - def test_add_value_singlevalue_singlevalue(self): - """Values added after initialization should be appended""" - input_item = self.item_class(name="foo") - il = ItemLoader(item=input_item) - il.add_value("name", "bar") - loaded_item = il.load_item() - self.assertIsInstance(loaded_item, self.item_class) - self.assertEqual(dict(loaded_item), {"name": ["foo", "bar"]}) - - def test_add_value_singlevalue_list(self): - """Values added after initialization should be appended""" - input_item = self.item_class(name="foo") - il = ItemLoader(item=input_item) - il.add_value("name", ["item", "loader"]) - loaded_item = il.load_item() - self.assertIsInstance(loaded_item, self.item_class) - self.assertEqual(dict(loaded_item), {"name": ["foo", "item", "loader"]}) - - def test_add_value_list_singlevalue(self): - """Values added after initialization should be appended""" - input_item = self.item_class(name=["foo", "bar"]) - il = ItemLoader(item=input_item) - il.add_value("name", "qwerty") - loaded_item = il.load_item() - self.assertIsInstance(loaded_item, self.item_class) - self.assertEqual(dict(loaded_item), {"name": ["foo", "bar", "qwerty"]}) - - def test_add_value_list_list(self): - """Values added after initialization should be appended""" - input_item = self.item_class(name=["foo", "bar"]) - il = ItemLoader(item=input_item) - il.add_value("name", ["item", "loader"]) - loaded_item = il.load_item() - self.assertIsInstance(loaded_item, self.item_class) - self.assertEqual(dict(loaded_item), {"name": ["foo", "bar", "item", "loader"]}) - - def test_get_output_value_singlevalue(self): - """Getting output value must not remove value from item""" - input_item = self.item_class(name="foo") - il = ItemLoader(item=input_item) - self.assertEqual(il.get_output_value("name"), ["foo"]) - loaded_item = il.load_item() - self.assertIsInstance(loaded_item, self.item_class) - self.assertEqual(loaded_item, {"name": ["foo"]}) - - def test_get_output_value_list(self): - """Getting output value must not remove value from item""" - input_item = self.item_class(name=["foo", "bar"]) - il = ItemLoader(item=input_item) - self.assertEqual(il.get_output_value("name"), ["foo", "bar"]) - loaded_item = il.load_item() - self.assertIsInstance(loaded_item, self.item_class) - self.assertEqual(loaded_item, {"name": ["foo", "bar"]}) - - def test_values_single(self): - """Values from initial item must be added to loader._values""" - input_item = self.item_class(name="foo") - il = ItemLoader(item=input_item) - self.assertEqual(il._values.get("name"), ["foo"]) - - def test_values_list(self): - """Values from initial item must be added to loader._values""" - input_item = self.item_class(name=["foo", "bar"]) - il = ItemLoader(item=input_item) - self.assertEqual(il._values.get("name"), ["foo", "bar"]) - - -class BaseNoInputReprocessingLoader(ItemLoader): - title_in = MapCompose(str.upper) - title_out = TakeFirst() - - -class NoInputReprocessingDictLoader(BaseNoInputReprocessingLoader): - default_item_class = dict - - -class NoInputReprocessingFromDictTest(unittest.TestCase): - """ - Loaders initialized from loaded items must not reprocess fields (dict instances) - """ - - def test_avoid_reprocessing_with_initial_values_single(self): - il = NoInputReprocessingDictLoader(item={"title": "foo"}) - il_loaded = il.load_item() - self.assertEqual(il_loaded, {"title": "foo"}) - self.assertEqual( - NoInputReprocessingDictLoader(item=il_loaded).load_item(), {"title": "foo"} - ) - - def test_avoid_reprocessing_with_initial_values_list(self): - il = NoInputReprocessingDictLoader(item={"title": ["foo", "bar"]}) - il_loaded = il.load_item() - self.assertEqual(il_loaded, {"title": "foo"}) - self.assertEqual( - NoInputReprocessingDictLoader(item=il_loaded).load_item(), {"title": "foo"} - ) - - def test_avoid_reprocessing_without_initial_values_single(self): - il = NoInputReprocessingDictLoader() - il.add_value("title", "foo") - il_loaded = il.load_item() - self.assertEqual(il_loaded, {"title": "FOO"}) - self.assertEqual( - NoInputReprocessingDictLoader(item=il_loaded).load_item(), {"title": "FOO"} - ) - - def test_avoid_reprocessing_without_initial_values_list(self): - il = NoInputReprocessingDictLoader() - il.add_value("title", ["foo", "bar"]) - il_loaded = il.load_item() - self.assertEqual(il_loaded, {"title": "FOO"}) - self.assertEqual( - NoInputReprocessingDictLoader(item=il_loaded).load_item(), {"title": "FOO"} - ) - - -class TestOutputProcessorDict(unittest.TestCase): - def test_output_processor(self): - class TempDict(dict): - def __init__(self, *args, **kwargs): - super().__init__(self, *args, **kwargs) - self.setdefault("temp", 0.3) - - class TempLoader(ItemLoader): - default_item_class = TempDict - default_input_processor = Identity() - default_output_processor = Compose(TakeFirst()) - - loader = TempLoader() - item = loader.load_item() - self.assertIsInstance(item, TempDict) - self.assertEqual(dict(item), {"temp": 0.3}) - - -class ProcessorsTest(unittest.TestCase): - def test_take_first(self): - proc = TakeFirst() - self.assertEqual(proc([None, "", "hello", "world"]), "hello") - self.assertEqual(proc([None, "", 0, "hello", "world"]), 0) - - def test_identity(self): - proc = Identity() - self.assertEqual( - proc([None, "", "hello", "world"]), [None, "", "hello", "world"] - ) - - def test_join(self): - proc = Join() - with pytest.raises(TypeError): - proc([None, "", "hello", "world"]) - self.assertEqual(proc(["", "hello", "world"]), " hello world") - self.assertEqual(proc(["hello", "world"]), "hello world") - self.assertIsInstance(proc(["hello", "world"]), str) - - def test_compose(self): - proc = Compose(lambda v: v[0], str.upper) - self.assertEqual(proc(["hello", "world"]), "HELLO") - proc = Compose(str.upper) - self.assertEqual(proc(None), None) - proc = Compose(str.upper, stop_on_none=False) - with pytest.raises( - ValueError, - match="Error in Compose with .* error='TypeError: (descriptor 'upper'|'str' object expected)", - ): - proc(None) - proc = Compose(str.upper, lambda x: x + 1) - with pytest.raises( - ValueError, - match="Error in Compose with .* error='TypeError: (can only|unsupported operand)", - ): - proc("hello") - - def test_mapcompose(self): - def filter_world(x): - return None if x == "world" else x - - proc = MapCompose(filter_world, str.upper) - self.assertEqual( - proc(["hello", "world", "this", "is", "scrapy"]), - ["HELLO", "THIS", "IS", "SCRAPY"], - ) - proc = MapCompose(filter_world, str.upper) - self.assertEqual(proc(None), []) - proc = MapCompose(filter_world, str.upper) - with pytest.raises( - ValueError, - match="Error in MapCompose with .* error='TypeError: (descriptor 'upper'|'str' object expected)", - ): - proc([1]) - proc = MapCompose(filter_world, lambda x: x + 1) - with pytest.raises( - ValueError, - match="Error in MapCompose with .* error='TypeError: (can only|unsupported operand)", - ): - proc("hello") - - -class SelectJmesTestCase(unittest.TestCase): - test_list_equals = { - "simple": ("foo.bar", {"foo": {"bar": "baz"}}, "baz"), - "invalid": ("foo.bar.baz", {"foo": {"bar": "baz"}}, None), - "top_level": ("foo", {"foo": {"bar": "baz"}}, {"bar": "baz"}), - "double_vs_single_quote_string": ("foo.bar", {"foo": {"bar": "baz"}}, "baz"), - "dict": ( - "foo.bar[*].name", - {"foo": {"bar": [{"name": "one"}, {"name": "two"}]}}, - ["one", "two"], - ), - "list": ("[1]", [1, 2], 2), - } - - def test_output(self): - for k, v in self.test_list_equals.items(): - expr, test_list, expected = v - test = SelectJmes(expr)(test_list) - self.assertEqual( - test, expected, msg=f'test "{k}" got {test} expected {expected}' - ) - - -# Functions as processors - - -def function_processor_strip(iterable): - return [x.strip() for x in iterable] - - -def function_processor_upper(iterable): - return [x.upper() for x in iterable] - - -class FunctionProcessorItem(Item): - foo = Field( - input_processor=function_processor_strip, - output_processor=function_processor_upper, - ) - - -class FunctionProcessorDictLoader(ItemLoader): - default_item_class = dict - foo_in = function_processor_strip - foo_out = function_processor_upper - - -class FunctionProcessorTestCase(unittest.TestCase): - def test_processor_defined_in_item_loader(self): - lo = FunctionProcessorDictLoader() - lo.add_value("foo", " bar ") - lo.add_value("foo", [" asdf ", " qwerty "]) - self.assertEqual(dict(lo.load_item()), {"foo": ["BAR", "ASDF", "QWERTY"]}) From 044c3f69edd1bf926408649361ada7f2146db04e Mon Sep 17 00:00:00 2001 From: Mehraz Hossain Rumman <59512321+MehrazRumman@users.noreply.github.com> Date: Mon, 10 Mar 2025 01:18:57 +0600 Subject: [PATCH 416/786] Deprecate InitSpider (#6714) --- scrapy/spiders/init.py | 17 ++++++++++++++++- tests/test_spider.py | 1 + 2 files changed, 17 insertions(+), 1 deletion(-) diff --git a/scrapy/spiders/init.py b/scrapy/spiders/init.py index 4ec2919f7..a7dba989e 100644 --- a/scrapy/spiders/init.py +++ b/scrapy/spiders/init.py @@ -1,9 +1,11 @@ from __future__ import annotations +import warnings from collections.abc import Iterable from typing import TYPE_CHECKING, Any, cast from scrapy import Request +from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.spiders import Spider from scrapy.utils.spider import iterate_spider_output @@ -12,7 +14,20 @@ if TYPE_CHECKING: class InitSpider(Spider): - """Base Spider with initialization facilities""" + """Base Spider with initialization facilities + + .. warning:: This class is deprecated. Copy its code into your project if needed. + It will be removed in a future Scrapy version. + """ + + def __init__(self, *args, **kwargs): + super().__init__(*args, **kwargs) + warnings.warn( + "InitSpider is deprecated. Copy its code from Scrapy's source if needed. " + "Will be removed in a future version.", + ScrapyDeprecationWarning, + stacklevel=2, + ) def start_requests(self) -> Iterable[Request]: self._postinit_reqs: Iterable[Request] = super().start_requests() diff --git a/tests/test_spider.py b/tests/test_spider.py index 05f1c59d0..4e8330c06 100644 --- a/tests/test_spider.py +++ b/tests/test_spider.py @@ -144,6 +144,7 @@ class TestSpider(unittest.TestCase): mock_logger.log.assert_called_once_with("INFO", "test log msg") +@pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") class TestInitSpider(TestSpider): spider_class = InitSpider From 02ed71d8877d1f3f270a9085c3cdb7fc7e917b8a Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Sun, 9 Mar 2025 23:20:24 +0400 Subject: [PATCH 417/786] Converting tests to plain asserts, part 6. (#6709) --- tests/test_item.py | 97 ++-- tests/test_link.py | 12 +- tests/test_linkextractors.py | 937 +++++++++++++++------------------- tests/test_pipeline_crawl.py | 46 +- tests/test_pipeline_files.py | 213 ++++---- tests/test_pipeline_images.py | 204 ++++---- tests/test_pipeline_media.py | 149 +++--- 7 files changed, 730 insertions(+), 928 deletions(-) diff --git a/tests/test_item.py b/tests/test_item.py index 47c5c3db6..bf51eb398 100644 --- a/tests/test_item.py +++ b/tests/test_item.py @@ -1,4 +1,3 @@ -import unittest from abc import ABCMeta from unittest import mock @@ -7,9 +6,9 @@ import pytest from scrapy.item import Field, Item, ItemMeta -class ItemTest(unittest.TestCase): +class TestItem: def assertSortedEqual(self, first, second, msg=None): - return self.assertEqual(sorted(first), sorted(second), msg) + assert sorted(first) == sorted(second), msg def test_simple(self): class TestItem(Item): @@ -17,7 +16,7 @@ class ItemTest(unittest.TestCase): i = TestItem() i["name"] = "name" - self.assertEqual(i["name"], "name") + assert i["name"] == "name" def test_init(self): class TestItem(Item): @@ -28,13 +27,13 @@ class ItemTest(unittest.TestCase): i["name"] i2 = TestItem(name="john doe") - self.assertEqual(i2["name"], "john doe") + assert i2["name"] == "john doe" i3 = TestItem({"name": "john doe"}) - self.assertEqual(i3["name"], "john doe") + assert i3["name"] == "john doe" i4 = TestItem(i3) - self.assertEqual(i4["name"], "john doe") + assert i4["name"] == "john doe" with pytest.raises(KeyError): TestItem({"name": "john doe", "other": "foo"}) @@ -59,11 +58,11 @@ class ItemTest(unittest.TestCase): i["number"] = 123 itemrepr = repr(i) - self.assertEqual(itemrepr, "{'name': 'John Doe', 'number': 123}") + assert itemrepr == "{'name': 'John Doe', 'number': 123}" i2 = eval(itemrepr) # pylint: disable=eval-used - self.assertEqual(i2["name"], "John Doe") - self.assertEqual(i2["number"], 123) + assert i2["name"] == "John Doe" + assert i2["number"] == 123 def test_private_attr(self): class TestItem(Item): @@ -71,7 +70,7 @@ class ItemTest(unittest.TestCase): i = TestItem() i._private = "test" - self.assertEqual(i._private, "test") + assert i._private == "test" def test_raise_getattr(self): class TestItem(Item): @@ -103,9 +102,9 @@ class ItemTest(unittest.TestCase): with pytest.raises(KeyError): i.get_name() i["name"] = "lala" - self.assertEqual(i.get_name(), "lala") + assert i.get_name() == "lala" i.change_name("other") - self.assertEqual(i.get_name(), "other") + assert i.get_name() == "other" def test_metaclass(self): class TestItem(Item): @@ -115,8 +114,8 @@ class ItemTest(unittest.TestCase): i = TestItem() i["name"] = "John" - self.assertEqual(list(i.keys()), ["name"]) - self.assertEqual(list(i.values()), ["John"]) + assert list(i.keys()) == ["name"] + assert list(i.values()) == ["John"] i["keys"] = "Keys" i["values"] = "Values" @@ -142,8 +141,8 @@ class ItemTest(unittest.TestCase): i = TestItem() i["keys"] = 3 - self.assertEqual(list(i.keys()), ["keys"]) - self.assertEqual(list(i.values()), [3]) + assert list(i.keys()) == ["keys"] + assert list(i.values()) == [3] def test_metaclass_multiple_inheritance_simple(self): class A(Item): @@ -161,17 +160,17 @@ class ItemTest(unittest.TestCase): pass item = D(save="X", load="Y") - self.assertEqual(item["save"], "X") - self.assertEqual(item["load"], "Y") - self.assertEqual(D.fields, {"load": {"default": "A"}, "save": {"default": "A"}}) + assert item["save"] == "X" + assert item["load"] == "Y" + assert D.fields == {"load": {"default": "A"}, "save": {"default": "A"}} # D class inverted class E(C, B): pass - self.assertEqual(E(save="X")["save"], "X") - self.assertEqual(E(load="X")["load"], "X") - self.assertEqual(E.fields, {"load": {"default": "C"}, "save": {"default": "C"}}) + assert E(save="X")["save"] == "X" + assert E(load="X")["load"] == "X" + assert E.fields == {"load": {"default": "C"}, "save": {"default": "C"}} def test_metaclass_multiple_inheritance_diamond(self): class A(Item): @@ -190,31 +189,25 @@ class ItemTest(unittest.TestCase): fields = {"update": Field(default="D")} load = Field(default="D") - self.assertEqual(D(save="X")["save"], "X") - self.assertEqual(D(load="X")["load"], "X") - self.assertEqual( - D.fields, - { - "save": {"default": "C"}, - "load": {"default": "D"}, - "update": {"default": "D"}, - }, - ) + assert D(save="X")["save"] == "X" + assert D(load="X")["load"] == "X" + assert D.fields == { + "save": {"default": "C"}, + "load": {"default": "D"}, + "update": {"default": "D"}, + } # D class inverted class E(C, B): load = Field(default="E") - self.assertEqual(E(save="X")["save"], "X") - self.assertEqual(E(load="X")["load"], "X") - self.assertEqual( - E.fields, - { - "save": {"default": "C"}, - "load": {"default": "E"}, - "update": {"default": "C"}, - }, - ) + assert E(save="X")["save"] == "X" + assert E(load="X")["load"] == "X" + assert E.fields == { + "save": {"default": "C"}, + "load": {"default": "E"}, + "update": {"default": "C"}, + } def test_metaclass_multiple_inheritance_without_metaclass(self): class A(Item): @@ -234,8 +227,8 @@ class ItemTest(unittest.TestCase): with pytest.raises(KeyError): D(not_allowed="value") - self.assertEqual(D(save="X")["save"], "X") - self.assertEqual(D.fields, {"save": {"default": "A"}, "load": {"default": "A"}}) + assert D(save="X")["save"] == "X" + assert D.fields == {"save": {"default": "A"}, "load": {"default": "A"}} # D class inverted class E(C, B): @@ -243,8 +236,8 @@ class ItemTest(unittest.TestCase): with pytest.raises(KeyError): E(not_allowed="value") - self.assertEqual(E(save="X")["save"], "X") - self.assertEqual(E.fields, {"save": {"default": "A"}, "load": {"default": "A"}}) + assert E(save="X")["save"] == "X" + assert E.fields == {"save": {"default": "A"}, "load": {"default": "A"}} def test_to_dict(self): class TestItem(Item): @@ -252,7 +245,7 @@ class ItemTest(unittest.TestCase): i = TestItem() i["name"] = "John" - self.assertEqual(dict(i), {"name": "John"}) + assert dict(i) == {"name": "John"} def test_copy(self): class TestItem(Item): @@ -260,9 +253,9 @@ class ItemTest(unittest.TestCase): item = TestItem({"name": "lower"}) copied_item = item.copy() - self.assertNotEqual(id(item), id(copied_item)) + assert id(item) != id(copied_item) copied_item["name"] = copied_item["name"].upper() - self.assertNotEqual(item["name"], copied_item["name"]) + assert item["name"] != copied_item["name"] def test_deepcopy(self): class TestItem(Item): @@ -274,7 +267,7 @@ class ItemTest(unittest.TestCase): assert item["tags"] != copied_item["tags"] -class ItemMetaTest(unittest.TestCase): +class TestItemMeta: def test_new_method_propagates_classcell(self): new_mock = mock.Mock(side_effect=ABCMeta.__new__) base = ItemMeta.__bases__[0] @@ -297,7 +290,7 @@ class ItemMetaTest(unittest.TestCase): assert "__classcell__" in attrs -class ItemMetaClassCellRegression(unittest.TestCase): +class TestItemMetaClassCellRegression: def test_item_meta_classcell_regression(self): class MyItem(Item, metaclass=ItemMeta): def __init__(self, *args, **kwargs): # pylint: disable=useless-parent-delegation diff --git a/tests/test_link.py b/tests/test_link.py index ed9d27a37..f96961075 100644 --- a/tests/test_link.py +++ b/tests/test_link.py @@ -1,18 +1,16 @@ -import unittest - import pytest from scrapy.link import Link -class LinkTest(unittest.TestCase): +class TestLink: def _assert_same_links(self, link1, link2): - self.assertEqual(link1, link2) - self.assertEqual(hash(link1), hash(link2)) + assert link1 == link2 + assert hash(link1) == hash(link2) def _assert_different_links(self, link1, link2): - self.assertNotEqual(link1, link2) - self.assertNotEqual(hash(link1), hash(link2)) + assert link1 != link2 + assert hash(link1) != hash(link2) def test_eq_and_hash(self): l1 = Link("http://www.example.com") diff --git a/tests/test_linkextractors.py b/tests/test_linkextractors.py index e751e0a63..1bff369af 100644 --- a/tests/test_linkextractors.py +++ b/tests/test_linkextractors.py @@ -2,7 +2,6 @@ from __future__ import annotations import pickle import re -import unittest import pytest from packaging.version import Version @@ -16,175 +15,139 @@ from tests import get_testdata # a hack to skip base class tests in pytest class Base: - class LinkExtractorTestCase(unittest.TestCase): + class TestLinkExtractorBase: extractor_cls: type | None = None - def setUp(self): + def setup_method(self): body = get_testdata("link_extractor", "linkextractor.html") self.response = HtmlResponse(url="http://example.com/index", body=body) def test_urls_type(self): """Test that the resulting urls are str objects""" lx = self.extractor_cls() - self.assertTrue( - all( - isinstance(link.url, str) - for link in lx.extract_links(self.response) - ) + assert all( + isinstance(link.url, str) for link in lx.extract_links(self.response) ) def test_extract_all_links(self): lx = self.extractor_cls() page4_url = "http://example.com/page%204.html" - self.assertEqual( - list(lx.extract_links(self.response)), - [ - Link(url="http://example.com/sample1.html", text=""), - Link(url="http://example.com/sample2.html", text="sample 2"), - Link(url="http://example.com/sample3.html", text="sample 3 text"), - Link( - url="http://example.com/sample3.html#foo", - text="sample 3 repetition with fragment", - ), - Link(url="http://www.google.com/something", text=""), - Link(url="http://example.com/innertag.html", text="inner tag"), - Link(url=page4_url, text="href with whitespaces"), - ], - ) + assert list(lx.extract_links(self.response)) == [ + Link(url="http://example.com/sample1.html", text=""), + Link(url="http://example.com/sample2.html", text="sample 2"), + Link(url="http://example.com/sample3.html", text="sample 3 text"), + Link( + url="http://example.com/sample3.html#foo", + text="sample 3 repetition with fragment", + ), + Link(url="http://www.google.com/something", text=""), + Link(url="http://example.com/innertag.html", text="inner tag"), + Link(url=page4_url, text="href with whitespaces"), + ] def test_extract_filter_allow(self): lx = self.extractor_cls(allow=("sample",)) - self.assertEqual( - list(lx.extract_links(self.response)), - [ - Link(url="http://example.com/sample1.html", text=""), - Link(url="http://example.com/sample2.html", text="sample 2"), - Link(url="http://example.com/sample3.html", text="sample 3 text"), - Link( - url="http://example.com/sample3.html#foo", - text="sample 3 repetition with fragment", - ), - ], - ) + assert list(lx.extract_links(self.response)) == [ + Link(url="http://example.com/sample1.html", text=""), + Link(url="http://example.com/sample2.html", text="sample 2"), + Link(url="http://example.com/sample3.html", text="sample 3 text"), + Link( + url="http://example.com/sample3.html#foo", + text="sample 3 repetition with fragment", + ), + ] def test_extract_filter_allow_with_duplicates(self): lx = self.extractor_cls(allow=("sample",), unique=False) - self.assertEqual( - list(lx.extract_links(self.response)), - [ - Link(url="http://example.com/sample1.html", text=""), - Link(url="http://example.com/sample2.html", text="sample 2"), - Link(url="http://example.com/sample3.html", text="sample 3 text"), - Link( - url="http://example.com/sample3.html", - text="sample 3 repetition", - ), - Link( - url="http://example.com/sample3.html", - text="sample 3 repetition", - ), - Link( - url="http://example.com/sample3.html#foo", - text="sample 3 repetition with fragment", - ), - ], - ) + assert list(lx.extract_links(self.response)) == [ + Link(url="http://example.com/sample1.html", text=""), + Link(url="http://example.com/sample2.html", text="sample 2"), + Link(url="http://example.com/sample3.html", text="sample 3 text"), + Link( + url="http://example.com/sample3.html", + text="sample 3 repetition", + ), + Link( + url="http://example.com/sample3.html", + text="sample 3 repetition", + ), + Link( + url="http://example.com/sample3.html#foo", + text="sample 3 repetition with fragment", + ), + ] def test_extract_filter_allow_with_duplicates_canonicalize(self): lx = self.extractor_cls(allow=("sample",), unique=False, canonicalize=True) - self.assertEqual( - list(lx.extract_links(self.response)), - [ - Link(url="http://example.com/sample1.html", text=""), - Link(url="http://example.com/sample2.html", text="sample 2"), - Link(url="http://example.com/sample3.html", text="sample 3 text"), - Link( - url="http://example.com/sample3.html", - text="sample 3 repetition", - ), - Link( - url="http://example.com/sample3.html", - text="sample 3 repetition", - ), - Link( - url="http://example.com/sample3.html", - text="sample 3 repetition with fragment", - ), - ], - ) + assert list(lx.extract_links(self.response)) == [ + Link(url="http://example.com/sample1.html", text=""), + Link(url="http://example.com/sample2.html", text="sample 2"), + Link(url="http://example.com/sample3.html", text="sample 3 text"), + Link( + url="http://example.com/sample3.html", + text="sample 3 repetition", + ), + Link( + url="http://example.com/sample3.html", + text="sample 3 repetition", + ), + Link( + url="http://example.com/sample3.html", + text="sample 3 repetition with fragment", + ), + ] def test_extract_filter_allow_no_duplicates_canonicalize(self): lx = self.extractor_cls(allow=("sample",), unique=True, canonicalize=True) - self.assertEqual( - list(lx.extract_links(self.response)), - [ - Link(url="http://example.com/sample1.html", text=""), - Link(url="http://example.com/sample2.html", text="sample 2"), - Link(url="http://example.com/sample3.html", text="sample 3 text"), - ], - ) + assert list(lx.extract_links(self.response)) == [ + Link(url="http://example.com/sample1.html", text=""), + Link(url="http://example.com/sample2.html", text="sample 2"), + Link(url="http://example.com/sample3.html", text="sample 3 text"), + ] def test_extract_filter_allow_and_deny(self): lx = self.extractor_cls(allow=("sample",), deny=("3",)) - self.assertEqual( - list(lx.extract_links(self.response)), - [ - Link(url="http://example.com/sample1.html", text=""), - Link(url="http://example.com/sample2.html", text="sample 2"), - ], - ) + assert list(lx.extract_links(self.response)) == [ + Link(url="http://example.com/sample1.html", text=""), + Link(url="http://example.com/sample2.html", text="sample 2"), + ] def test_extract_filter_allowed_domains(self): lx = self.extractor_cls(allow_domains=("google.com",)) - self.assertEqual( - list(lx.extract_links(self.response)), - [ - Link(url="http://www.google.com/something", text=""), - ], - ) + assert list(lx.extract_links(self.response)) == [ + Link(url="http://www.google.com/something", text=""), + ] def test_extraction_using_single_values(self): """Test the extractor's behaviour among different situations""" lx = self.extractor_cls(allow="sample") - self.assertEqual( - list(lx.extract_links(self.response)), - [ - Link(url="http://example.com/sample1.html", text=""), - Link(url="http://example.com/sample2.html", text="sample 2"), - Link(url="http://example.com/sample3.html", text="sample 3 text"), - Link( - url="http://example.com/sample3.html#foo", - text="sample 3 repetition with fragment", - ), - ], - ) + assert list(lx.extract_links(self.response)) == [ + Link(url="http://example.com/sample1.html", text=""), + Link(url="http://example.com/sample2.html", text="sample 2"), + Link(url="http://example.com/sample3.html", text="sample 3 text"), + Link( + url="http://example.com/sample3.html#foo", + text="sample 3 repetition with fragment", + ), + ] lx = self.extractor_cls(allow="sample", deny="3") - self.assertEqual( - list(lx.extract_links(self.response)), - [ - Link(url="http://example.com/sample1.html", text=""), - Link(url="http://example.com/sample2.html", text="sample 2"), - ], - ) + assert list(lx.extract_links(self.response)) == [ + Link(url="http://example.com/sample1.html", text=""), + Link(url="http://example.com/sample2.html", text="sample 2"), + ] lx = self.extractor_cls(allow_domains="google.com") - self.assertEqual( - list(lx.extract_links(self.response)), - [ - Link(url="http://www.google.com/something", text=""), - ], - ) + assert list(lx.extract_links(self.response)) == [ + Link(url="http://www.google.com/something", text=""), + ] lx = self.extractor_cls(deny_domains="example.com") - self.assertEqual( - list(lx.extract_links(self.response)), - [ - Link(url="http://www.google.com/something", text=""), - ], - ) + assert list(lx.extract_links(self.response)) == [ + Link(url="http://www.google.com/something", text=""), + ] def test_nofollow(self): """Test the extractor's behaviour for links with rel='nofollow'""" @@ -210,47 +173,44 @@ class Base: response = HtmlResponse("http://example.org/somepage/index.html", body=html) lx = self.extractor_cls() - self.assertEqual( - lx.extract_links(response), - [ - Link(url="http://example.org/about.html", text="About us"), - Link(url="http://example.org/follow.html", text="Follow this link"), - Link( - url="http://example.org/nofollow.html", - text="Dont follow this one", - nofollow=True, - ), - Link( - url="http://example.org/nofollow2.html", - text="Choose to follow or not", - ), - Link( - url="http://google.com/something", - text="External link not to follow", - nofollow=True, - ), - ], - ) + assert lx.extract_links(response) == [ + Link(url="http://example.org/about.html", text="About us"), + Link(url="http://example.org/follow.html", text="Follow this link"), + Link( + url="http://example.org/nofollow.html", + text="Dont follow this one", + nofollow=True, + ), + Link( + url="http://example.org/nofollow2.html", + text="Choose to follow or not", + ), + Link( + url="http://google.com/something", + text="External link not to follow", + nofollow=True, + ), + ] def test_matches(self): url1 = "http://lotsofstuff.com/stuff1/index" url2 = "http://evenmorestuff.com/uglystuff/index" lx = self.extractor_cls(allow=(r"stuff1",)) - self.assertTrue(lx.matches(url1)) - self.assertFalse(lx.matches(url2)) + assert lx.matches(url1) + assert not lx.matches(url2) lx = self.extractor_cls(deny=(r"uglystuff",)) - self.assertTrue(lx.matches(url1)) - self.assertFalse(lx.matches(url2)) + assert lx.matches(url1) + assert not lx.matches(url2) lx = self.extractor_cls(allow_domains=("evenmorestuff.com",)) - self.assertFalse(lx.matches(url1)) - self.assertTrue(lx.matches(url2)) + assert not lx.matches(url1) + assert lx.matches(url2) lx = self.extractor_cls(deny_domains=("lotsofstuff.com",)) - self.assertFalse(lx.matches(url1)) - self.assertTrue(lx.matches(url2)) + assert not lx.matches(url1) + assert lx.matches(url2) lx = self.extractor_cls( allow=["blah1"], @@ -258,20 +218,17 @@ class Base: allow_domains=["blah1.com"], deny_domains=["blah2.com"], ) - self.assertTrue(lx.matches("http://blah1.com/blah1")) - self.assertFalse(lx.matches("http://blah1.com/blah2")) - self.assertFalse(lx.matches("http://blah2.com/blah1")) - self.assertFalse(lx.matches("http://blah2.com/blah2")) + assert lx.matches("http://blah1.com/blah1") + assert not lx.matches("http://blah1.com/blah2") + assert not lx.matches("http://blah2.com/blah1") + assert not lx.matches("http://blah2.com/blah2") def test_restrict_xpaths(self): lx = self.extractor_cls(restrict_xpaths=('//div[@id="subwrapper"]',)) - self.assertEqual( - list(lx.extract_links(self.response)), - [ - Link(url="http://example.com/sample1.html", text=""), - Link(url="http://example.com/sample2.html", text="sample 2"), - ], - ) + assert list(lx.extract_links(self.response)) == [ + Link(url="http://example.com/sample1.html", text=""), + Link(url="http://example.com/sample2.html", text="sample 2"), + ] def test_restrict_xpaths_encoding(self): """Test restrict_xpaths with encodings""" @@ -291,10 +248,9 @@ class Base: ) lx = self.extractor_cls(restrict_xpaths="//div[@class='links']") - self.assertEqual( - lx.extract_links(response), - [Link(url="http://example.org/about.html", text="About us\xa3")], - ) + assert lx.extract_links(response) == [ + Link(url="http://example.org/about.html", text="About us\xa3") + ] def test_restrict_xpaths_with_html_entities(self): html = b'<html><body><p><a href="/♥/you?c=€">text</a></p></body></html>' @@ -304,47 +260,40 @@ class Base: encoding="iso8859-15", ) links = self.extractor_cls(restrict_xpaths="//p").extract_links(response) - self.assertEqual( - links, [Link(url="http://example.org/%E2%99%A5/you?c=%A4", text="text")] - ) + assert links == [ + Link(url="http://example.org/%E2%99%A5/you?c=%A4", text="text") + ] def test_restrict_xpaths_concat_in_handle_data(self): """html entities cause SGMLParser to call handle_data hook twice""" body = b"""<html><body><div><a href="/foo">>\xbe\xa9<\xb6\xab</a></body></html>""" response = HtmlResponse("http://example.org", body=body, encoding="gb18030") lx = self.extractor_cls(restrict_xpaths="//div") - self.assertEqual( - lx.extract_links(response), - [ - Link( - url="http://example.org/foo", - text=">\u4eac<\u4e1c", - fragment="", - nofollow=False, - ) - ], - ) + assert lx.extract_links(response) == [ + Link( + url="http://example.org/foo", + text=">\u4eac<\u4e1c", + fragment="", + nofollow=False, + ) + ] def test_restrict_css(self): lx = self.extractor_cls(restrict_css=("#subwrapper a",)) - self.assertEqual( - lx.extract_links(self.response), - [Link(url="http://example.com/sample2.html", text="sample 2")], - ) + assert lx.extract_links(self.response) == [ + Link(url="http://example.com/sample2.html", text="sample 2") + ] def test_restrict_css_and_restrict_xpaths_together(self): lx = self.extractor_cls( restrict_xpaths=('//div[@id="subwrapper"]',), restrict_css=("#subwrapper + a",), ) - self.assertEqual( - list(lx.extract_links(self.response)), - [ - Link(url="http://example.com/sample1.html", text=""), - Link(url="http://example.com/sample2.html", text="sample 2"), - Link(url="http://example.com/sample3.html", text="sample 3 text"), - ], - ) + assert list(lx.extract_links(self.response)) == [ + Link(url="http://example.com/sample1.html", text=""), + Link(url="http://example.com/sample2.html", text="sample 2"), + Link(url="http://example.com/sample3.html", text="sample 3 text"), + ] def test_area_tag_with_unicode_present(self): body = b"""<html><body>\xbe\xa9<map><area href="http://example.org/foo" /></map></body></html>""" @@ -353,17 +302,14 @@ class Base: lx.extract_links(response) lx.extract_links(response) lx.extract_links(response) - self.assertEqual( - lx.extract_links(response), - [ - Link( - url="http://example.org/foo", - text="", - fragment="", - nofollow=False, - ) - ], - ) + assert lx.extract_links(response) == [ + Link( + url="http://example.org/foo", + text="", + fragment="", + nofollow=False, + ) + ] def test_encoded_url(self): body = b"""<html><body><div><a href="?page=2">BinB</a></body></html>""" @@ -371,17 +317,14 @@ class Base: "http://known.fm/AC%2FDC/", body=body, encoding="utf8" ) lx = self.extractor_cls() - self.assertEqual( - lx.extract_links(response), - [ - Link( - url="http://known.fm/AC%2FDC/?page=2", - text="BinB", - fragment="", - nofollow=False, - ), - ], - ) + assert lx.extract_links(response) == [ + Link( + url="http://known.fm/AC%2FDC/?page=2", + text="BinB", + fragment="", + nofollow=False, + ), + ] def test_encoded_url_in_restricted_xpath(self): body = b"""<html><body><div><a href="?page=2">BinB</a></body></html>""" @@ -389,38 +332,29 @@ class Base: "http://known.fm/AC%2FDC/", body=body, encoding="utf8" ) lx = self.extractor_cls(restrict_xpaths="//div") - self.assertEqual( - lx.extract_links(response), - [ - Link( - url="http://known.fm/AC%2FDC/?page=2", - text="BinB", - fragment="", - nofollow=False, - ), - ], - ) + assert lx.extract_links(response) == [ + Link( + url="http://known.fm/AC%2FDC/?page=2", + text="BinB", + fragment="", + nofollow=False, + ), + ] def test_ignored_extensions(self): # jpg is ignored by default html = b"""<a href="page.html">asd</a> and <a href="photo.jpg">""" response = HtmlResponse("http://example.org/", body=html) lx = self.extractor_cls() - self.assertEqual( - lx.extract_links(response), - [ - Link(url="http://example.org/page.html", text="asd"), - ], - ) + assert lx.extract_links(response) == [ + Link(url="http://example.org/page.html", text="asd"), + ] # override denied extensions lx = self.extractor_cls(deny_extensions=["html"]) - self.assertEqual( - lx.extract_links(response), - [ - Link(url="http://example.org/photo.jpg"), - ], - ) + assert lx.extract_links(response) == [ + Link(url="http://example.org/photo.jpg"), + ] def test_process_value(self): """Test restrict_xpaths with encodings""" @@ -439,10 +373,9 @@ class Base: return m.group(1) if m else None lx = self.extractor_cls(process_value=process_value) - self.assertEqual( - lx.extract_links(response), - [Link(url="http://example.org/other/page.html", text="Text")], - ) + assert lx.extract_links(response) == [ + Link(url="http://example.org/other/page.html", text="Text") + ] def test_base_url_with_restrict_xpaths(self): html = b"""<html><head><title>Page title<title><base href="http://otherdomain.com/base/" /> @@ -450,53 +383,46 @@ class Base: </body></html>""" response = HtmlResponse("http://example.org/somepage/index.html", body=html) lx = self.extractor_cls(restrict_xpaths="//p") - self.assertEqual( - lx.extract_links(response), - [Link(url="http://otherdomain.com/base/item/12.html", text="Item 12")], - ) + assert lx.extract_links(response) == [ + Link(url="http://otherdomain.com/base/item/12.html", text="Item 12") + ] def test_attrs(self): lx = self.extractor_cls(attrs="href") page4_url = "http://example.com/page%204.html" - self.assertEqual( - lx.extract_links(self.response), - [ - Link(url="http://example.com/sample1.html", text=""), - Link(url="http://example.com/sample2.html", text="sample 2"), - Link(url="http://example.com/sample3.html", text="sample 3 text"), - Link( - url="http://example.com/sample3.html#foo", - text="sample 3 repetition with fragment", - ), - Link(url="http://www.google.com/something", text=""), - Link(url="http://example.com/innertag.html", text="inner tag"), - Link(url=page4_url, text="href with whitespaces"), - ], - ) + assert lx.extract_links(self.response) == [ + Link(url="http://example.com/sample1.html", text=""), + Link(url="http://example.com/sample2.html", text="sample 2"), + Link(url="http://example.com/sample3.html", text="sample 3 text"), + Link( + url="http://example.com/sample3.html#foo", + text="sample 3 repetition with fragment", + ), + Link(url="http://www.google.com/something", text=""), + Link(url="http://example.com/innertag.html", text="inner tag"), + Link(url=page4_url, text="href with whitespaces"), + ] lx = self.extractor_cls( attrs=("href", "src"), tags=("a", "area", "img"), deny_extensions=() ) - self.assertEqual( - lx.extract_links(self.response), - [ - Link(url="http://example.com/sample1.html", text=""), - Link(url="http://example.com/sample2.html", text="sample 2"), - Link(url="http://example.com/sample2.jpg", text=""), - Link(url="http://example.com/sample3.html", text="sample 3 text"), - Link( - url="http://example.com/sample3.html#foo", - text="sample 3 repetition with fragment", - ), - Link(url="http://www.google.com/something", text=""), - Link(url="http://example.com/innertag.html", text="inner tag"), - Link(url=page4_url, text="href with whitespaces"), - ], - ) + assert lx.extract_links(self.response) == [ + Link(url="http://example.com/sample1.html", text=""), + Link(url="http://example.com/sample2.html", text="sample 2"), + Link(url="http://example.com/sample2.jpg", text=""), + Link(url="http://example.com/sample3.html", text="sample 3 text"), + Link( + url="http://example.com/sample3.html#foo", + text="sample 3 repetition with fragment", + ), + Link(url="http://www.google.com/something", text=""), + Link(url="http://example.com/innertag.html", text="inner tag"), + Link(url=page4_url, text="href with whitespaces"), + ] lx = self.extractor_cls(attrs=None) - self.assertEqual(lx.extract_links(self.response), []) + assert lx.extract_links(self.response) == [] def test_tags(self): html = ( @@ -506,43 +432,31 @@ class Base: response = HtmlResponse("http://example.com/index.html", body=html) lx = self.extractor_cls(tags=None) - self.assertEqual(lx.extract_links(response), []) + assert lx.extract_links(response) == [] lx = self.extractor_cls() - self.assertEqual( - lx.extract_links(response), - [ - Link(url="http://example.com/sample1.html", text=""), - Link(url="http://example.com/sample2.html", text="sample 2"), - ], - ) + assert lx.extract_links(response) == [ + Link(url="http://example.com/sample1.html", text=""), + Link(url="http://example.com/sample2.html", text="sample 2"), + ] lx = self.extractor_cls(tags="area") - self.assertEqual( - lx.extract_links(response), - [ - Link(url="http://example.com/sample1.html", text=""), - ], - ) + assert lx.extract_links(response) == [ + Link(url="http://example.com/sample1.html", text=""), + ] lx = self.extractor_cls(tags="a") - self.assertEqual( - lx.extract_links(response), - [ - Link(url="http://example.com/sample2.html", text="sample 2"), - ], - ) + assert lx.extract_links(response) == [ + Link(url="http://example.com/sample2.html", text="sample 2"), + ] lx = self.extractor_cls( tags=("a", "img"), attrs=("href", "src"), deny_extensions=() ) - self.assertEqual( - lx.extract_links(response), - [ - Link(url="http://example.com/sample2.html", text="sample 2"), - Link(url="http://example.com/sample2.jpg", text=""), - ], - ) + assert lx.extract_links(response) == [ + Link(url="http://example.com/sample2.html", text="sample 2"), + Link(url="http://example.com/sample2.jpg", text=""), + ] def test_tags_attrs(self): html = b""" @@ -554,42 +468,36 @@ class Base: response = HtmlResponse("http://example.com/index.html", body=html) lx = self.extractor_cls(tags="div", attrs="data-url") - self.assertEqual( - lx.extract_links(response), - [ - Link( - url="http://example.com/get?id=1", - text="Item 1", - fragment="", - nofollow=False, - ), - Link( - url="http://example.com/get?id=2", - text="Item 2", - fragment="", - nofollow=False, - ), - ], - ) + assert lx.extract_links(response) == [ + Link( + url="http://example.com/get?id=1", + text="Item 1", + fragment="", + nofollow=False, + ), + Link( + url="http://example.com/get?id=2", + text="Item 2", + fragment="", + nofollow=False, + ), + ] lx = self.extractor_cls(tags=("div",), attrs=("data-url",)) - self.assertEqual( - lx.extract_links(response), - [ - Link( - url="http://example.com/get?id=1", - text="Item 1", - fragment="", - nofollow=False, - ), - Link( - url="http://example.com/get?id=2", - text="Item 2", - fragment="", - nofollow=False, - ), - ], - ) + assert lx.extract_links(response) == [ + Link( + url="http://example.com/get?id=1", + text="Item 1", + fragment="", + nofollow=False, + ), + Link( + url="http://example.com/get?id=2", + text="Item 2", + fragment="", + nofollow=False, + ), + ] def test_xhtml(self): xhtml = b""" @@ -623,78 +531,72 @@ class Base: response = HtmlResponse("http://example.com/index.xhtml", body=xhtml) lx = self.extractor_cls() - self.assertEqual( - lx.extract_links(response), - [ - Link( - url="http://example.com/about.html", - text="About us", - fragment="", - nofollow=False, - ), - Link( - url="http://example.com/follow.html", - text="Follow this link", - fragment="", - nofollow=False, - ), - Link( - url="http://example.com/nofollow.html", - text="Dont follow this one", - fragment="", - nofollow=True, - ), - Link( - url="http://example.com/nofollow2.html", - text="Choose to follow or not", - fragment="", - nofollow=False, - ), - Link( - url="http://google.com/something", - text="External link not to follow", - nofollow=True, - ), - ], - ) + assert lx.extract_links(response) == [ + Link( + url="http://example.com/about.html", + text="About us", + fragment="", + nofollow=False, + ), + Link( + url="http://example.com/follow.html", + text="Follow this link", + fragment="", + nofollow=False, + ), + Link( + url="http://example.com/nofollow.html", + text="Dont follow this one", + fragment="", + nofollow=True, + ), + Link( + url="http://example.com/nofollow2.html", + text="Choose to follow or not", + fragment="", + nofollow=False, + ), + Link( + url="http://google.com/something", + text="External link not to follow", + nofollow=True, + ), + ] response = XmlResponse("http://example.com/index.xhtml", body=xhtml) lx = self.extractor_cls() - self.assertEqual( - lx.extract_links(response), - [ - Link( - url="http://example.com/about.html", - text="About us", - fragment="", - nofollow=False, - ), - Link( - url="http://example.com/follow.html", - text="Follow this link", - fragment="", - nofollow=False, - ), - Link( - url="http://example.com/nofollow.html", - text="Dont follow this one", - fragment="", - nofollow=True, - ), - Link( - url="http://example.com/nofollow2.html", - text="Choose to follow or not", - fragment="", - nofollow=False, - ), - Link( - url="http://google.com/something", - text="External link not to follow", - nofollow=True, - ), - ], - ) + assert lx.extract_links(response) == [ + Link( + url="http://example.com/about.html", + text="About us", + fragment="", + nofollow=False, + ), + Link( + url="http://example.com/follow.html", + text="Follow this link", + fragment="", + nofollow=False, + ), + Link( + url="http://example.com/nofollow.html", + text="Dont follow this one", + fragment="", + nofollow=True, + ), + Link( + url="http://example.com/nofollow2.html", + text="Choose to follow or not", + fragment="", + nofollow=False, + ), + Link( + url="http://google.com/something", + text="External link not to follow", + nofollow=True, + ), + ] def test_link_wrong_href(self): html = b""" @@ -704,21 +606,18 @@ class Base: """ response = HtmlResponse("http://example.org/index.html", body=html) lx = self.extractor_cls() - self.assertEqual( - list(lx.extract_links(response)), - [ - Link( - url="http://example.org/item1.html", - text="Item 1", - nofollow=False, - ), - Link( - url="http://example.org/item3.html", - text="Item 3", - nofollow=False, - ), - ], - ) + assert list(lx.extract_links(response)) == [ + Link( + url="http://example.org/item1.html", + text="Item 1", + nofollow=False, + ), + Link( + url="http://example.org/item3.html", + text="Item 3", + nofollow=False, + ), + ] def test_ftp_links(self): body = b""" @@ -729,21 +628,18 @@ class Base: "http://www.example.com/index.html", body=body, encoding="utf8" ) lx = self.extractor_cls() - self.assertEqual( - lx.extract_links(response), - [ - Link( - url="ftp://www.external.com/", - text="An Item", - fragment="", - nofollow=False, - ), - ], - ) + assert lx.extract_links(response) == [ + Link( + url="ftp://www.external.com/", + text="An Item", + fragment="", + nofollow=False, + ), + ] def test_pickle_extractor(self): lx = self.extractor_cls() - self.assertIsInstance(pickle.loads(pickle.dumps(lx)), self.extractor_cls) + assert isinstance(pickle.loads(pickle.dumps(lx)), self.extractor_cls) def test_link_extractor_aggregation(self): """When a parameter like restrict_css is used, the underlying @@ -770,14 +666,11 @@ class Base: """, ) actual = lx.extract_links(response) - self.assertEqual( - actual, - [ - Link(url="https://example.com/a", text="a1"), - Link(url="https://example.com/b?a=1&b=2", text="b1"), - Link(url="https://example.com/b?b=2&a=1", text="b2"), - ], - ) + assert actual == [ + Link(url="https://example.com/a", text="a1"), + Link(url="https://example.com/b?a=1&b=2", text="b1"), + Link(url="https://example.com/b?b=2&a=1", text="b2"), + ] # unique=True (default), canonicalize=True lx = self.extractor_cls(restrict_css=("div",), canonicalize=True) @@ -795,13 +688,10 @@ class Base: """, ) actual = lx.extract_links(response) - self.assertEqual( - actual, - [ - Link(url="https://example.com/a", text="a1"), - Link(url="https://example.com/b?a=1&b=2", text="b1"), - ], - ) + assert actual == [ + Link(url="https://example.com/a", text="a1"), + Link(url="https://example.com/b?a=1&b=2", text="b1"), + ] # unique=False, canonicalize=False (default) lx = self.extractor_cls(restrict_css=("div",), unique=False) @@ -819,15 +709,12 @@ class Base: """, ) actual = lx.extract_links(response) - self.assertEqual( - actual, - [ - Link(url="https://example.com/a", text="a1"), - Link(url="https://example.com/b?a=1&b=2", text="b1"), - Link(url="https://example.com/a", text="a2"), - Link(url="https://example.com/b?b=2&a=1", text="b2"), - ], - ) + assert actual == [ + Link(url="https://example.com/a", text="a1"), + Link(url="https://example.com/b?a=1&b=2", text="b1"), + Link(url="https://example.com/a", text="a2"), + Link(url="https://example.com/b?b=2&a=1", text="b2"), + ] # unique=False, canonicalize=True lx = self.extractor_cls( @@ -847,18 +734,15 @@ class Base: """, ) actual = lx.extract_links(response) - self.assertEqual( - actual, - [ - Link(url="https://example.com/a", text="a1"), - Link(url="https://example.com/b?a=1&b=2", text="b1"), - Link(url="https://example.com/a", text="a2"), - Link(url="https://example.com/b?a=1&b=2", text="b2"), - ], - ) + assert actual == [ + Link(url="https://example.com/a", text="a1"), + Link(url="https://example.com/b?a=1&b=2", text="b1"), + Link(url="https://example.com/a", text="a2"), + Link(url="https://example.com/b?a=1&b=2", text="b2"), + ] -class LxmlLinkExtractorTestCase(Base.LinkExtractorTestCase): +class TestLxmlLinkExtractor(Base.TestLinkExtractorBase): extractor_cls = LxmlLinkExtractor def test_link_wrong_href(self): @@ -869,17 +753,10 @@ class LxmlLinkExtractorTestCase(Base.LinkExtractorTestCase): """ response = HtmlResponse("http://example.org/index.html", body=html) lx = self.extractor_cls() - self.assertEqual( - list(lx.extract_links(response)), - [ - Link( - url="http://example.org/item1.html", text="Item 1", nofollow=False - ), - Link( - url="http://example.org/item3.html", text="Item 3", nofollow=False - ), - ], - ) + assert list(lx.extract_links(response)) == [ + Link(url="http://example.org/item1.html", text="Item 1", nofollow=False), + Link(url="http://example.org/item3.html", text="Item 3", nofollow=False), + ] def test_link_restrict_text(self): html = b""" @@ -890,45 +767,36 @@ class LxmlLinkExtractorTestCase(Base.LinkExtractorTestCase): response = HtmlResponse("http://example.org/index.html", body=html) # Simple text inclusion test lx = self.extractor_cls(restrict_text="dog") - self.assertEqual( - list(lx.extract_links(response)), - [ - Link( - url="http://example.org/item2.html", - text="Pic of a dog", - nofollow=False, - ), - ], - ) + assert list(lx.extract_links(response)) == [ + Link( + url="http://example.org/item2.html", + text="Pic of a dog", + nofollow=False, + ), + ] # Unique regex test lx = self.extractor_cls(restrict_text=r"of.*dog") - self.assertEqual( - list(lx.extract_links(response)), - [ - Link( - url="http://example.org/item2.html", - text="Pic of a dog", - nofollow=False, - ), - ], - ) + assert list(lx.extract_links(response)) == [ + Link( + url="http://example.org/item2.html", + text="Pic of a dog", + nofollow=False, + ), + ] # Multiple regex test lx = self.extractor_cls(restrict_text=[r"of.*dog", r"of.*cat"]) - self.assertEqual( - list(lx.extract_links(response)), - [ - Link( - url="http://example.org/item1.html", - text="Pic of a cat", - nofollow=False, - ), - Link( - url="http://example.org/item2.html", - text="Pic of a dog", - nofollow=False, - ), - ], - ) + assert list(lx.extract_links(response)) == [ + Link( + url="http://example.org/item1.html", + text="Pic of a cat", + nofollow=False, + ), + Link( + url="http://example.org/item2.html", + text="Pic of a dog", + nofollow=False, + ), + ] @pytest.mark.skipif( Version(w3lib_version) < Version("2.0.0"), @@ -945,30 +813,27 @@ class LxmlLinkExtractorTestCase(Base.LinkExtractorTestCase): """ response = HtmlResponse("http://example.org/index.html", body=html) lx = self.extractor_cls() - self.assertEqual( - list(lx.extract_links(response)), - [ - Link( - url="http://example.org/item2.html", - text="Good Link", - nofollow=False, - ), - Link( - url="http://example.org/item3.html", - text="Good Link 2", - nofollow=False, - ), - ], - ) + assert list(lx.extract_links(response)) == [ + Link( + url="http://example.org/item2.html", + text="Good Link", + nofollow=False, + ), + Link( + url="http://example.org/item3.html", + text="Good Link 2", + nofollow=False, + ), + ] def test_link_allowed_is_false_with_empty_url(self): bad_link = Link("") - self.assertFalse(LxmlLinkExtractor()._link_allowed(bad_link)) + assert not LxmlLinkExtractor()._link_allowed(bad_link) def test_link_allowed_is_false_with_bad_url_prefix(self): bad_link = Link("htp://should_be_http.example") - self.assertFalse(LxmlLinkExtractor()._link_allowed(bad_link)) + assert not LxmlLinkExtractor()._link_allowed(bad_link) def test_link_allowed_is_false_with_missing_url_prefix(self): bad_link = Link("should_have_prefix.example") - self.assertFalse(LxmlLinkExtractor()._link_allowed(bad_link)) + assert not LxmlLinkExtractor()._link_allowed(bad_link) diff --git a/tests/test_pipeline_crawl.py b/tests/test_pipeline_crawl.py index 84d714e5c..162dfdaf4 100644 --- a/tests/test_pipeline_crawl.py +++ b/tests/test_pipeline_crawl.py @@ -53,7 +53,7 @@ class RedirectedMediaDownloadSpider(MediaDownloadSpider): ) -class FileDownloadCrawlTestCase(TestCase): +class TestFileDownloadCrawl(TestCase): pipeline_class = "scrapy.pipelines.files.FilesPipeline" store_setting_key = "FILES_STORE" media_key = "files" @@ -98,52 +98,46 @@ class FileDownloadCrawlTestCase(TestCase): return crawler def _assert_files_downloaded(self, items, logs): - self.assertEqual(len(items), 1) - self.assertIn(self.media_key, items[0]) + assert len(items) == 1 + assert self.media_key in items[0] # check that logs show the expected number of successful file downloads file_dl_success = "File (downloaded): Downloaded file from" - self.assertEqual(logs.count(file_dl_success), 3) + assert logs.count(file_dl_success) == 3 # check that the images/files status is `downloaded` for item in items: for i in item[self.media_key]: - self.assertEqual(i["status"], "downloaded") + assert i["status"] == "downloaded" # check that the images/files checksums are what we know they should be if self.expected_checksums is not None: checksums = {i["checksum"] for item in items for i in item[self.media_key]} - self.assertEqual(checksums, self.expected_checksums) + assert checksums == self.expected_checksums # check that the image files where actually written to the media store for item in items: for i in item[self.media_key]: - self.assertTrue((self.tmpmediastore / i["path"]).exists()) + assert (self.tmpmediastore / i["path"]).exists() def _assert_files_download_failure(self, crawler, items, code, logs): # check that the item does NOT have the "images/files" field populated - self.assertEqual(len(items), 1) - self.assertIn(self.media_key, items[0]) - self.assertFalse(items[0][self.media_key]) + assert len(items) == 1 + assert self.media_key in items[0] + assert not items[0][self.media_key] # check that there was 1 successful fetch and 3 other responses with non-200 code - self.assertEqual( - crawler.stats.get_value("downloader/request_method_count/GET"), 4 - ) - self.assertEqual(crawler.stats.get_value("downloader/response_count"), 4) - self.assertEqual( - crawler.stats.get_value("downloader/response_status_count/200"), 1 - ) - self.assertEqual( - crawler.stats.get_value(f"downloader/response_status_count/{code}"), 3 - ) + assert crawler.stats.get_value("downloader/request_method_count/GET") == 4 + assert crawler.stats.get_value("downloader/response_count") == 4 + assert crawler.stats.get_value("downloader/response_status_count/200") == 1 + assert crawler.stats.get_value(f"downloader/response_status_count/{code}") == 3 # check that logs do show the failure on the file downloads file_dl_failure = f"File (code: {code}): Error downloading file from" - self.assertEqual(logs.count(file_dl_failure), 3) + assert logs.count(file_dl_failure) == 3 # check that no files were written to the media store - self.assertEqual(list(self.tmpmediastore.iterdir()), []) + assert not list(self.tmpmediastore.iterdir()) @defer.inlineCallbacks def test_download_media(self): @@ -193,9 +187,7 @@ class FileDownloadCrawlTestCase(TestCase): mockserver=self.mockserver, ) self._assert_files_downloaded(self.items, str(log)) - self.assertEqual( - crawler.stats.get_value("downloader/response_status_count/302"), 3 - ) + assert crawler.stats.get_value("downloader/response_status_count/302") == 3 @defer.inlineCallbacks def test_download_media_file_path_error(self): @@ -218,7 +210,7 @@ class FileDownloadCrawlTestCase(TestCase): media_urls_key=self.media_urls_key, mockserver=self.mockserver, ) - self.assertIn("ZeroDivisionError", str(log)) + assert "ZeroDivisionError" in str(log) skip_pillow: str | None @@ -230,7 +222,7 @@ else: skip_pillow = None -class ImageDownloadCrawlTestCase(FileDownloadCrawlTestCase): +class ImageDownloadCrawlTestCase(TestFileDownloadCrawl): skip = skip_pillow pipeline_class = "scrapy.pipelines.images.ImagesPipeline" diff --git a/tests/test_pipeline_files.py b/tests/test_pipeline_files.py index 05fd17207..e515c16a0 100644 --- a/tests/test_pipeline_files.py +++ b/tests/test_pipeline_files.py @@ -77,7 +77,7 @@ def get_ftp_content_and_delete( return b"".join(ftp_data) -class FilesPipelineTestCase(unittest.TestCase): +class TestFilesPipeline(unittest.TestCase): def setUp(self): self.tempdir = mkdtemp() settings_dict = {"FILES_STORE": self.tempdir} @@ -91,73 +91,73 @@ class FilesPipelineTestCase(unittest.TestCase): def test_file_path(self): file_path = self.pipeline.file_path - self.assertEqual( - file_path(Request("https://dev.mydeco.com/mydeco.pdf")), - "full/c9b564df929f4bc635bdd19fde4f3d4847c757c5.pdf", + assert ( + file_path(Request("https://dev.mydeco.com/mydeco.pdf")) + == "full/c9b564df929f4bc635bdd19fde4f3d4847c757c5.pdf" ) - self.assertEqual( + assert ( file_path( Request( "http://www.maddiebrown.co.uk///catalogue-items//image_54642_12175_95307.txt" ) - ), - "full/4ce274dd83db0368bafd7e406f382ae088e39219.txt", + ) + == "full/4ce274dd83db0368bafd7e406f382ae088e39219.txt" ) - self.assertEqual( + assert ( file_path( Request("https://dev.mydeco.com/two/dirs/with%20spaces%2Bsigns.doc") - ), - "full/94ccc495a17b9ac5d40e3eabf3afcb8c2c9b9e1a.doc", + ) + == "full/94ccc495a17b9ac5d40e3eabf3afcb8c2c9b9e1a.doc" ) - self.assertEqual( + assert ( file_path( Request( "http://www.dfsonline.co.uk/get_prod_image.php?img=status_0907_mdm.jpg" ) - ), - "full/4507be485f38b0da8a0be9eb2e1dfab8a19223f2.jpg", + ) + == "full/4507be485f38b0da8a0be9eb2e1dfab8a19223f2.jpg" ) - self.assertEqual( - file_path(Request("http://www.dorma.co.uk/images/product_details/2532/")), - "full/97ee6f8a46cbbb418ea91502fd24176865cf39b2", + assert ( + file_path(Request("http://www.dorma.co.uk/images/product_details/2532/")) + == "full/97ee6f8a46cbbb418ea91502fd24176865cf39b2" ) - self.assertEqual( - file_path(Request("http://www.dorma.co.uk/images/product_details/2532")), - "full/244e0dd7d96a3b7b01f54eded250c9e272577aa1", + assert ( + file_path(Request("http://www.dorma.co.uk/images/product_details/2532")) + == "full/244e0dd7d96a3b7b01f54eded250c9e272577aa1" ) - self.assertEqual( + assert ( file_path( Request("http://www.dorma.co.uk/images/product_details/2532"), response=Response("http://www.dorma.co.uk/images/product_details/2532"), info=object(), - ), - "full/244e0dd7d96a3b7b01f54eded250c9e272577aa1", + ) + == "full/244e0dd7d96a3b7b01f54eded250c9e272577aa1" ) - self.assertEqual( + assert ( file_path( Request( "http://www.dfsonline.co.uk/get_prod_image.php?img=status_0907_mdm.jpg.bohaha" ) - ), - "full/76c00cef2ef669ae65052661f68d451162829507", + ) + == "full/76c00cef2ef669ae65052661f68d451162829507" ) - self.assertEqual( + assert ( file_path( Request( "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAR0AAACxCAMAAADOHZloAAACClBMVEX/\ //+F0tzCwMK76ZKQ21AMqr7oAAC96JvD5aWM2kvZ78J0N7fmAAC46Y4Ap7y" ) - ), - "full/178059cbeba2e34120a67f2dc1afc3ecc09b61cb.png", + ) + == "full/178059cbeba2e34120a67f2dc1afc3ecc09b61cb.png" ) def test_fs_store(self): assert isinstance(self.pipeline.store, FSFilesStore) - self.assertEqual(self.pipeline.store.basedir, self.tempdir) + assert self.pipeline.store.basedir == self.tempdir path = "some/image/key.jpg" fullpath = Path(self.tempdir, "some", "image", "key.jpg") - self.assertEqual(self.pipeline.store._get_filesystem_path(path), fullpath) + assert self.pipeline.store._get_filesystem_path(path) == fullpath @defer.inlineCallbacks def test_file_not_expired(self): @@ -180,8 +180,8 @@ class FilesPipelineTestCase(unittest.TestCase): p.start() result = yield self.pipeline.process_item(item, None) - self.assertEqual(result["files"][0]["checksum"], "abc") - self.assertEqual(result["files"][0]["status"], "uptodate") + assert result["files"][0]["checksum"] == "abc" + assert result["files"][0]["status"] == "uptodate" for p in patchers: p.stop() @@ -211,8 +211,8 @@ class FilesPipelineTestCase(unittest.TestCase): p.start() result = yield self.pipeline.process_item(item, None) - self.assertNotEqual(result["files"][0]["checksum"], "abc") - self.assertEqual(result["files"][0]["status"], "downloaded") + assert result["files"][0]["checksum"] != "abc" + assert result["files"][0]["status"] == "downloaded" for p in patchers: p.stop() @@ -242,8 +242,8 @@ class FilesPipelineTestCase(unittest.TestCase): p.start() result = yield self.pipeline.process_item(item, None) - self.assertNotEqual(result["files"][0]["checksum"], "abc") - self.assertEqual(result["files"][0]["status"], "cached") + assert result["files"][0]["checksum"] != "abc" + assert result["files"][0]["status"] == "cached" for p in patchers: p.stop() @@ -262,14 +262,14 @@ class FilesPipelineTestCase(unittest.TestCase): ).file_path item = {"path": "path-to-store-file"} request = Request("http://example.com") - self.assertEqual(file_path(request, item=item), "full/path-to-store-file") + assert file_path(request, item=item) == "full/path-to-store-file" class FilesPipelineTestCaseFieldsMixin: - def setUp(self): + def setup_method(self): self.tempdir = mkdtemp() - def tearDown(self): + def teardown_method(self): rmtree(self.tempdir) def test_item_fields_default(self): @@ -279,12 +279,12 @@ class FilesPipelineTestCaseFieldsMixin: get_crawler(None, {"FILES_STORE": self.tempdir}) ) requests = list(pipeline.get_media_requests(item, None)) - self.assertEqual(requests[0].url, url) + assert requests[0].url == url results = [(True, {"url": url})] item = pipeline.item_completed(results, item, None) files = ItemAdapter(item).get("files") - self.assertEqual(files, [results[0][1]]) - self.assertIsInstance(item, self.item_class) + assert files == [results[0][1]] + assert isinstance(item, self.item_class) def test_item_fields_override_settings(self): url = "http://www.example.com/files/1.txt" @@ -300,17 +300,15 @@ class FilesPipelineTestCaseFieldsMixin: ) ) requests = list(pipeline.get_media_requests(item, None)) - self.assertEqual(requests[0].url, url) + assert requests[0].url == url results = [(True, {"url": url})] item = pipeline.item_completed(results, item, None) custom_files = ItemAdapter(item).get("custom_files") - self.assertEqual(custom_files, [results[0][1]]) - self.assertIsInstance(item, self.item_class) + assert custom_files == [results[0][1]] + assert isinstance(item, self.item_class) -class FilesPipelineTestCaseFieldsDict( - FilesPipelineTestCaseFieldsMixin, unittest.TestCase -): +class TestFilesPipelineFieldsDict(FilesPipelineTestCaseFieldsMixin): item_class = dict @@ -324,9 +322,7 @@ class FilesPipelineTestItem(Item): custom_files = Field() -class FilesPipelineTestCaseFieldsItem( - FilesPipelineTestCaseFieldsMixin, unittest.TestCase -): +class TestFilesPipelineFieldsItem(FilesPipelineTestCaseFieldsMixin): item_class = FilesPipelineTestItem @@ -341,9 +337,7 @@ class FilesPipelineTestDataClass: custom_files: list = dataclasses.field(default_factory=list) -class FilesPipelineTestCaseFieldsDataClass( - FilesPipelineTestCaseFieldsMixin, unittest.TestCase -): +class TestFilesPipelineFieldsDataClass(FilesPipelineTestCaseFieldsMixin): item_class = FilesPipelineTestDataClass @@ -358,13 +352,11 @@ class FilesPipelineTestAttrsItem: custom_files: list[dict[str, str]] = attr.ib(default=list) -class FilesPipelineTestCaseFieldsAttrsItem( - FilesPipelineTestCaseFieldsMixin, unittest.TestCase -): +class TestFilesPipelineFieldsAttrsItem(FilesPipelineTestCaseFieldsMixin): item_class = FilesPipelineTestAttrsItem -class FilesPipelineTestCaseCustomSettings(unittest.TestCase): +class TestFilesPipelineCustomSettings: default_cls_settings = { "EXPIRES": 90, "FILES_URLS_FIELD": "file_urls", @@ -376,10 +368,10 @@ class FilesPipelineTestCaseCustomSettings(unittest.TestCase): ("FILES_RESULT_FIELD", "FILES_RESULT_FIELD", "files_result_field"), } - def setUp(self): + def setup_method(self): self.tempdir = mkdtemp() - def tearDown(self): + def teardown_method(self): rmtree(self.tempdir) def _generate_fake_settings(self, prefix=None): @@ -420,10 +412,10 @@ class FilesPipelineTestCaseCustomSettings(unittest.TestCase): one_pipeline = FilesPipeline(self.tempdir, crawler=get_crawler(None)) for pipe_attr, settings_attr, pipe_ins_attr in self.file_cls_attr_settings_map: default_value = self.default_cls_settings[pipe_attr] - self.assertEqual(getattr(one_pipeline, pipe_attr), default_value) + assert getattr(one_pipeline, pipe_attr) == default_value custom_value = custom_settings[settings_attr] - self.assertNotEqual(default_value, custom_value) - self.assertEqual(getattr(another_pipeline, pipe_ins_attr), custom_value) + assert default_value != custom_value + assert getattr(another_pipeline, pipe_ins_attr) == custom_value def test_subclass_attributes_preserved_if_no_settings(self): """ @@ -433,8 +425,8 @@ class FilesPipelineTestCaseCustomSettings(unittest.TestCase): pipe = pipe_cls.from_crawler(get_crawler(None, {"FILES_STORE": self.tempdir})) for pipe_attr, settings_attr, pipe_ins_attr in self.file_cls_attr_settings_map: custom_value = getattr(pipe, pipe_ins_attr) - self.assertNotEqual(custom_value, self.default_cls_settings[pipe_attr]) - self.assertEqual(getattr(pipe, pipe_ins_attr), getattr(pipe, pipe_attr)) + assert custom_value != self.default_cls_settings[pipe_attr] + assert getattr(pipe, pipe_ins_attr) == getattr(pipe, pipe_attr) def test_subclass_attrs_preserved_custom_settings(self): """ @@ -447,8 +439,8 @@ class FilesPipelineTestCaseCustomSettings(unittest.TestCase): for pipe_attr, settings_attr, pipe_ins_attr in self.file_cls_attr_settings_map: value = getattr(pipeline, pipe_ins_attr) setting_value = settings.get(settings_attr) - self.assertNotEqual(value, self.default_cls_settings[pipe_attr]) - self.assertEqual(value, setting_value) + assert value != self.default_cls_settings[pipe_attr] + assert value == setting_value def test_no_custom_settings_for_subclasses(self): """ @@ -465,7 +457,7 @@ class FilesPipelineTestCaseCustomSettings(unittest.TestCase): for pipe_attr, settings_attr, pipe_ins_attr in self.file_cls_attr_settings_map: # Values from settings for custom pipeline should be set on pipeline instance. custom_value = self.default_cls_settings.get(pipe_attr.upper()) - self.assertEqual(getattr(user_pipeline, pipe_ins_attr), custom_value) + assert getattr(user_pipeline, pipe_ins_attr) == custom_value def test_custom_settings_for_subclasses(self): """ @@ -484,8 +476,8 @@ class FilesPipelineTestCaseCustomSettings(unittest.TestCase): for pipe_attr, settings_attr, pipe_inst_attr in self.file_cls_attr_settings_map: # Values from settings for custom pipeline should be set on pipeline instance. custom_value = settings.get(prefix + "_" + settings_attr) - self.assertNotEqual(custom_value, self.default_cls_settings[pipe_attr]) - self.assertEqual(getattr(user_pipeline, pipe_inst_attr), custom_value) + assert custom_value != self.default_cls_settings[pipe_attr] + assert getattr(user_pipeline, pipe_inst_attr) == custom_value def test_custom_settings_and_class_attrs_for_subclasses(self): """ @@ -502,8 +494,8 @@ class FilesPipelineTestCaseCustomSettings(unittest.TestCase): pipe_inst_attr, ) in self.file_cls_attr_settings_map: custom_value = settings.get(prefix + "_" + settings_attr) - self.assertNotEqual(custom_value, self.default_cls_settings[pipe_cls_attr]) - self.assertEqual(getattr(user_pipeline, pipe_inst_attr), custom_value) + assert custom_value != self.default_cls_settings[pipe_cls_attr] + assert getattr(user_pipeline, pipe_inst_attr) == custom_value def test_cls_attrs_with_DEFAULT_prefix(self): class UserDefinedFilesPipeline(FilesPipeline): @@ -513,12 +505,13 @@ class FilesPipelineTestCaseCustomSettings(unittest.TestCase): pipeline = UserDefinedFilesPipeline.from_crawler( get_crawler(None, {"FILES_STORE": self.tempdir}) ) - self.assertEqual( - pipeline.files_result_field, - UserDefinedFilesPipeline.DEFAULT_FILES_RESULT_FIELD, + assert ( + pipeline.files_result_field + == UserDefinedFilesPipeline.DEFAULT_FILES_RESULT_FIELD ) - self.assertEqual( - pipeline.files_urls_field, UserDefinedFilesPipeline.DEFAULT_FILES_URLS_FIELD + assert ( + pipeline.files_urls_field + == UserDefinedFilesPipeline.DEFAULT_FILES_URLS_FIELD ) def test_user_defined_subclass_default_key_names(self): @@ -535,7 +528,7 @@ class FilesPipelineTestCaseCustomSettings(unittest.TestCase): for pipe_attr, settings_attr, pipe_inst_attr in self.file_cls_attr_settings_map: expected_value = settings.get(settings_attr) - self.assertEqual(getattr(pipeline_cls, pipe_inst_attr), expected_value) + assert getattr(pipeline_cls, pipe_inst_attr) == expected_value def test_file_pipeline_using_pathlike_objects(self): class CustomFilesPipelineWithPathLikeDir(FilesPipeline): @@ -546,12 +539,12 @@ class FilesPipelineTestCaseCustomSettings(unittest.TestCase): get_crawler(None, {"FILES_STORE": Path("./Temp")}) ) request = Request("http://example.com/image01.jpg") - self.assertEqual(pipeline.file_path(request), Path("subdir/image01.jpg")) + assert pipeline.file_path(request) == Path("subdir/image01.jpg") def test_files_store_constructor_with_pathlike_object(self): path = Path("./FileDir") fs_store = FSFilesStore(path) - self.assertEqual(fs_store.basedir, str(path)) + assert fs_store.basedir == str(path) @pytest.mark.requires_botocore @@ -593,13 +586,8 @@ class TestS3FilesStore(unittest.TestCase): ) stub.assert_no_pending_responses() - self.assertEqual( - buffer.method_calls, - [ - mock.call.seek(0), - # The call to read does not happen with Stubber - ], - ) + # The call to read does not happen with Stubber + assert buffer.method_calls == [mock.call.seek(0)] @defer.inlineCallbacks def test_stat(self): @@ -626,13 +614,10 @@ class TestS3FilesStore(unittest.TestCase): ) file_stats = yield store.stat_file("", info=None) - self.assertEqual( - file_stats, - { - "checksum": checksum, - "last_modified": last_modified.timestamp(), - }, - ) + assert file_stats == { + "checksum": checksum, + "last_modified": last_modified.timestamp(), + } stub.assert_no_pending_responses() @@ -655,16 +640,16 @@ class TestGCSFilesStore(unittest.TestCase): expected_policy = {"role": "READER", "entity": "allAuthenticatedUsers"} yield store.persist_file(path, buf, info=None, meta=meta, headers=None) s = yield store.stat_file(path, info=None) - self.assertIn("last_modified", s) - self.assertIn("checksum", s) - self.assertEqual(s["checksum"], "cdcda85605e46d0af6110752770dce3c") + assert "last_modified" in s + assert "checksum" in s + assert s["checksum"] == "cdcda85605e46d0af6110752770dce3c" u = urlparse(uri) content, acl, blob = get_gcs_content_and_delete(u.hostname, u.path[1:] + path) - self.assertEqual(content, data) - self.assertEqual(blob.metadata, {"foo": "bar"}) - self.assertEqual(blob.cache_control, GCSFilesStore.CACHE_CONTROL) - self.assertEqual(blob.content_type, "application/octet-stream") - self.assertIn(expected_policy, acl) + assert content == data + assert blob.metadata == {"foo": "bar"} + assert blob.cache_control == GCSFilesStore.CACHE_CONTROL + assert blob.content_type == "application/octet-stream" + assert expected_policy in acl @defer.inlineCallbacks def test_blob_path_consistency(self): @@ -702,12 +687,12 @@ class TestFTPFileStore(unittest.TestCase): with MockFTPServer() as ftp_server: store = FTPFilesStore(ftp_server.url("/")) empty_dict = yield store.stat_file(path, info=None) - self.assertEqual(empty_dict, {}) + assert empty_dict == {} yield store.persist_file(path, buf, info=None, meta=meta, headers=None) stat = yield store.stat_file(path, info=None) - self.assertIn("last_modified", stat) - self.assertIn("checksum", stat) - self.assertEqual(stat["checksum"], "d113d66b2ec7258724a268bd88eef6b6") + assert "last_modified" in stat + assert "checksum" in stat + assert stat["checksum"] == "d113d66b2ec7258724a268bd88eef6b6" path = f"{store.basedir}/{path}" content = get_ftp_content_and_delete( path, @@ -717,7 +702,7 @@ class TestFTPFileStore(unittest.TestCase): store.password, store.USE_ACTIVE_MODE, ) - self.assertEqual(data, content) + assert data == content class ItemWithFiles(Item): @@ -739,12 +724,12 @@ def _prepare_request_object(item_url, flags=None): # this is separate from the one in test_pipeline_media.py to specifically test FilesPipeline subclasses -class BuildFromCrawlerTestCase(unittest.TestCase): - def setUp(self): +class TestBuildFromCrawler: + def setup_method(self): self.tempdir = mkdtemp() self.crawler = get_crawler(None, {"FILES_STORE": self.tempdir}) - def tearDown(self): + def teardown_method(self): rmtree(self.tempdir) def test_simple(self): @@ -755,7 +740,7 @@ class BuildFromCrawlerTestCase(unittest.TestCase): pipe = Pipeline.from_crawler(self.crawler) assert pipe.crawler == self.crawler assert pipe._fingerprinter - self.assertEqual(len(w), 0) + assert len(w) == 0 assert pipe.store def test_has_old_init(self): @@ -768,7 +753,7 @@ class BuildFromCrawlerTestCase(unittest.TestCase): pipe = Pipeline.from_crawler(self.crawler) assert pipe.crawler == self.crawler assert pipe._fingerprinter - self.assertEqual(len(w), 2) + assert len(w) == 2 assert pipe._init_called def test_has_from_settings(self): @@ -785,7 +770,7 @@ class BuildFromCrawlerTestCase(unittest.TestCase): pipe = Pipeline.from_crawler(self.crawler) assert pipe.crawler == self.crawler assert pipe._fingerprinter - self.assertEqual(len(w), 3) + assert len(w) == 3 assert pipe.store assert pipe._from_settings_called @@ -805,6 +790,6 @@ class BuildFromCrawlerTestCase(unittest.TestCase): pipe = Pipeline.from_crawler(self.crawler) assert pipe.crawler == self.crawler assert pipe._fingerprinter - self.assertEqual(len(w), 0) + assert len(w) == 0 assert pipe.store assert pipe._from_crawler_called diff --git a/tests/test_pipeline_images.py b/tests/test_pipeline_images.py index 1d89e44ce..fef6bbbe9 100644 --- a/tests/test_pipeline_images.py +++ b/tests/test_pipeline_images.py @@ -9,109 +9,106 @@ from tempfile import mkdtemp import attr import pytest from itemadapter import ItemAdapter -from twisted.trial import unittest from scrapy.http import Request, Response from scrapy.item import Field, Item from scrapy.pipelines.images import ImageException, ImagesPipeline from scrapy.utils.test import get_crawler -skip_pillow: str | None try: from PIL import Image except ImportError: - skip_pillow = "Missing Python Imaging Library, install https://pypi.org/pypi/Pillow" + pytest.skip( + "Missing Python Imaging Library, install https://pypi.org/pypi/Pillow", + allow_module_level=True, + ) else: encoders = {"jpeg_encoder", "jpeg_decoder"} if not encoders.issubset(set(Image.core.__dict__)): # type: ignore[attr-defined] - skip_pillow = "Missing JPEG encoders" - else: - skip_pillow = None + pytest.skip("Missing JPEG encoders", allow_module_level=True) -class ImagesPipelineTestCase(unittest.TestCase): - skip = skip_pillow - - def setUp(self): +class TestImagesPipeline: + def setup_method(self): self.tempdir = mkdtemp() crawler = get_crawler() self.pipeline = ImagesPipeline(self.tempdir, crawler=crawler) - def tearDown(self): + def teardown_method(self): rmtree(self.tempdir) def test_file_path(self): file_path = self.pipeline.file_path - self.assertEqual( - file_path(Request("https://dev.mydeco.com/mydeco.gif")), - "full/3fd165099d8e71b8a48b2683946e64dbfad8b52d.jpg", + assert ( + file_path(Request("https://dev.mydeco.com/mydeco.gif")) + == "full/3fd165099d8e71b8a48b2683946e64dbfad8b52d.jpg" ) - self.assertEqual( + assert ( file_path( Request( "http://www.maddiebrown.co.uk///catalogue-items//image_54642_12175_95307.jpg" ) - ), - "full/0ffcd85d563bca45e2f90becd0ca737bc58a00b2.jpg", + ) + == "full/0ffcd85d563bca45e2f90becd0ca737bc58a00b2.jpg" ) - self.assertEqual( + assert ( file_path( Request("https://dev.mydeco.com/two/dirs/with%20spaces%2Bsigns.gif") - ), - "full/b250e3a74fff2e4703e310048a5b13eba79379d2.jpg", + ) + == "full/b250e3a74fff2e4703e310048a5b13eba79379d2.jpg" ) - self.assertEqual( + assert ( file_path( Request( "http://www.dfsonline.co.uk/get_prod_image.php?img=status_0907_mdm.jpg" ) - ), - "full/4507be485f38b0da8a0be9eb2e1dfab8a19223f2.jpg", + ) + == "full/4507be485f38b0da8a0be9eb2e1dfab8a19223f2.jpg" ) - self.assertEqual( - file_path(Request("http://www.dorma.co.uk/images/product_details/2532/")), - "full/97ee6f8a46cbbb418ea91502fd24176865cf39b2.jpg", + assert ( + file_path(Request("http://www.dorma.co.uk/images/product_details/2532/")) + == "full/97ee6f8a46cbbb418ea91502fd24176865cf39b2.jpg" ) - self.assertEqual( - file_path(Request("http://www.dorma.co.uk/images/product_details/2532")), - "full/244e0dd7d96a3b7b01f54eded250c9e272577aa1.jpg", + assert ( + file_path(Request("http://www.dorma.co.uk/images/product_details/2532")) + == "full/244e0dd7d96a3b7b01f54eded250c9e272577aa1.jpg" ) - self.assertEqual( + assert ( file_path( Request("http://www.dorma.co.uk/images/product_details/2532"), response=Response("http://www.dorma.co.uk/images/product_details/2532"), info=object(), - ), - "full/244e0dd7d96a3b7b01f54eded250c9e272577aa1.jpg", + ) + == "full/244e0dd7d96a3b7b01f54eded250c9e272577aa1.jpg" ) def test_thumbnail_name(self): thumb_path = self.pipeline.thumb_path name = "50" - self.assertEqual( - thumb_path(Request("file:///tmp/foo.jpg"), name), - "thumbs/50/38a86208c36e59d4404db9e37ce04be863ef0335.jpg", + assert ( + thumb_path(Request("file:///tmp/foo.jpg"), name) + == "thumbs/50/38a86208c36e59d4404db9e37ce04be863ef0335.jpg" ) - self.assertEqual( - thumb_path(Request("file://foo.png"), name), - "thumbs/50/e55b765eba0ec7348e50a1df496040449071b96a.jpg", + assert ( + thumb_path(Request("file://foo.png"), name) + == "thumbs/50/e55b765eba0ec7348e50a1df496040449071b96a.jpg" ) - self.assertEqual( - thumb_path(Request("file:///tmp/foo"), name), - "thumbs/50/0329ad83ebb8e93ea7c7906d46e9ed55f7349a50.jpg", + assert ( + thumb_path(Request("file:///tmp/foo"), name) + == "thumbs/50/0329ad83ebb8e93ea7c7906d46e9ed55f7349a50.jpg" ) - self.assertEqual( - thumb_path(Request("file:///tmp/some.name/foo"), name), - "thumbs/50/850233df65a5b83361798f532f1fc549cd13cbe9.jpg", + assert ( + thumb_path(Request("file:///tmp/some.name/foo"), name) + == "thumbs/50/850233df65a5b83361798f532f1fc549cd13cbe9.jpg" ) - self.assertEqual( + assert ( thumb_path( Request("file:///tmp/some.name/foo"), name, response=Response("file:///tmp/some.name/foo"), info=object(), - ), - "thumbs/50/850233df65a5b83361798f532f1fc549cd13cbe9.jpg", + ) + == "thumbs/50/850233df65a5b83361798f532f1fc549cd13cbe9.jpg" ) def test_thumbnail_name_from_item(self): @@ -130,8 +127,8 @@ class ImagesPipelineTestCase(unittest.TestCase): ).thumb_path item = {"path": "path-to-store-file"} request = Request("http://example.com") - self.assertEqual( - thumb_path(request, "small", item=item), "thumb/small/path-to-store-file" + assert ( + thumb_path(request, "small", item=item) == "thumb/small/path-to-store-file" ) def test_get_images_exception(self): @@ -169,16 +166,13 @@ class ImagesPipelineTestCase(unittest.TestCase): ) path, new_im, new_buf = next(get_images_gen) - self.assertEqual(path, "full/3fd165099d8e71b8a48b2683946e64dbfad8b52d.jpg") - self.assertEqual(orig_im, new_im) - self.assertEqual(buf.getvalue(), new_buf.getvalue()) + assert path == "full/3fd165099d8e71b8a48b2683946e64dbfad8b52d.jpg" + assert orig_im == new_im + assert buf.getvalue() == new_buf.getvalue() thumb_path, thumb_img, thumb_buf = next(get_images_gen) - self.assertEqual( - thumb_path, "thumbs/small/3fd165099d8e71b8a48b2683946e64dbfad8b52d.jpg" - ) - self.assertEqual(thumb_img, thumb_img) - self.assertEqual(orig_thumb_buf.getvalue(), thumb_buf.getvalue()) + assert thumb_path == "thumbs/small/3fd165099d8e71b8a48b2683946e64dbfad8b52d.jpg" + assert orig_thumb_buf.getvalue() == thumb_buf.getvalue() def test_convert_image(self): SIZE = (100, 100) @@ -186,37 +180,35 @@ class ImagesPipelineTestCase(unittest.TestCase): COLOUR = (0, 127, 255) im, buf = _create_image("JPEG", "RGB", SIZE, COLOUR) converted, converted_buf = self.pipeline.convert_image(im, response_body=buf) - self.assertEqual(converted.mode, "RGB") - self.assertEqual(converted.getcolors(), [(10000, COLOUR)]) + assert converted.mode == "RGB" + assert converted.getcolors() == [(10000, COLOUR)] # check that we don't convert JPEGs again - self.assertEqual(converted_buf, buf) + assert converted_buf == buf # check that thumbnail keep image ratio thumbnail, _ = self.pipeline.convert_image( converted, size=(10, 25), response_body=converted_buf ) - self.assertEqual(thumbnail.mode, "RGB") - self.assertEqual(thumbnail.size, (10, 10)) + assert thumbnail.mode == "RGB" + assert thumbnail.size == (10, 10) # transparency case: RGBA and PNG COLOUR = (0, 127, 255, 50) im, buf = _create_image("PNG", "RGBA", SIZE, COLOUR) converted, _ = self.pipeline.convert_image(im, response_body=buf) - self.assertEqual(converted.mode, "RGB") - self.assertEqual(converted.getcolors(), [(10000, (205, 230, 255))]) + assert converted.mode == "RGB" + assert converted.getcolors() == [(10000, (205, 230, 255))] # transparency case with palette: P and PNG COLOUR = (0, 127, 255, 50) im, buf = _create_image("PNG", "RGBA", SIZE, COLOUR) im = im.convert("P") converted, _ = self.pipeline.convert_image(im, response_body=buf) - self.assertEqual(converted.mode, "RGB") - self.assertEqual(converted.getcolors(), [(10000, (205, 230, 255))]) + assert converted.mode == "RGB" + assert converted.getcolors() == [(10000, (205, 230, 255))] class ImagesPipelineTestCaseFieldsMixin: - skip = skip_pillow - def test_item_fields_default(self): url = "http://www.example.com/images/1.jpg" item = self.item_class(name="item1", image_urls=[url]) @@ -224,12 +216,12 @@ class ImagesPipelineTestCaseFieldsMixin: get_crawler(None, {"IMAGES_STORE": "s3://example/images/"}) ) requests = list(pipeline.get_media_requests(item, None)) - self.assertEqual(requests[0].url, url) + assert requests[0].url == url results = [(True, {"url": url})] item = pipeline.item_completed(results, item, None) images = ItemAdapter(item).get("images") - self.assertEqual(images, [results[0][1]]) - self.assertIsInstance(item, self.item_class) + assert images == [results[0][1]] + assert isinstance(item, self.item_class) def test_item_fields_override_settings(self): url = "http://www.example.com/images/1.jpg" @@ -245,17 +237,15 @@ class ImagesPipelineTestCaseFieldsMixin: ) ) requests = list(pipeline.get_media_requests(item, None)) - self.assertEqual(requests[0].url, url) + assert requests[0].url == url results = [(True, {"url": url})] item = pipeline.item_completed(results, item, None) custom_images = ItemAdapter(item).get("custom_images") - self.assertEqual(custom_images, [results[0][1]]) - self.assertIsInstance(item, self.item_class) + assert custom_images == [results[0][1]] + assert isinstance(item, self.item_class) -class ImagesPipelineTestCaseFieldsDict( - ImagesPipelineTestCaseFieldsMixin, unittest.TestCase -): +class TestImagesPipelineFieldsDict(ImagesPipelineTestCaseFieldsMixin): item_class = dict @@ -269,9 +259,7 @@ class ImagesPipelineTestItem(Item): custom_images = Field() -class ImagesPipelineTestCaseFieldsItem( - ImagesPipelineTestCaseFieldsMixin, unittest.TestCase -): +class TestImagesPipelineFieldsItem(ImagesPipelineTestCaseFieldsMixin): item_class = ImagesPipelineTestItem @@ -286,9 +274,7 @@ class ImagesPipelineTestDataClass: custom_images: list = dataclasses.field(default_factory=list) -class ImagesPipelineTestCaseFieldsDataClass( - ImagesPipelineTestCaseFieldsMixin, unittest.TestCase -): +class TestImagesPipelineFieldsDataClass(ImagesPipelineTestCaseFieldsMixin): item_class = ImagesPipelineTestDataClass @@ -303,15 +289,11 @@ class ImagesPipelineTestAttrsItem: custom_images: list[dict[str, str]] = attr.ib(default=list) -class ImagesPipelineTestCaseFieldsAttrsItem( - ImagesPipelineTestCaseFieldsMixin, unittest.TestCase -): +class TestImagesPipelineFieldsAttrsItem(ImagesPipelineTestCaseFieldsMixin): item_class = ImagesPipelineTestAttrsItem -class ImagesPipelineTestCaseCustomSettings(unittest.TestCase): - skip = skip_pillow - +class TestImagesPipelineCustomSettings: img_cls_attribute_names = [ # Pipeline attribute names with corresponding setting names. ("EXPIRES", "IMAGES_EXPIRES"), @@ -332,10 +314,10 @@ class ImagesPipelineTestCaseCustomSettings(unittest.TestCase): "IMAGES_RESULT_FIELD": "images", } - def setUp(self): + def setup_method(self): self.tempdir = mkdtemp() - def tearDown(self): + def teardown_method(self): rmtree(self.tempdir) def _generate_fake_settings(self, prefix=None): @@ -397,11 +379,11 @@ class ImagesPipelineTestCaseCustomSettings(unittest.TestCase): for pipe_attr, settings_attr in self.img_cls_attribute_names: expected_default_value = self.default_pipeline_settings.get(pipe_attr) custom_value = custom_settings.get(settings_attr) - self.assertNotEqual(expected_default_value, custom_value) - self.assertEqual( - getattr(default_sts_pipe, pipe_attr.lower()), expected_default_value + assert expected_default_value != custom_value + assert ( + getattr(default_sts_pipe, pipe_attr.lower()) == expected_default_value ) - self.assertEqual(getattr(user_sts_pipe, pipe_attr.lower()), custom_value) + assert getattr(user_sts_pipe, pipe_attr.lower()) == custom_value def test_subclass_attrs_preserved_default_settings(self): """ @@ -415,8 +397,8 @@ class ImagesPipelineTestCaseCustomSettings(unittest.TestCase): for pipe_attr, settings_attr in self.img_cls_attribute_names: # Instance attribute (lowercase) must be equal to class attribute (uppercase). attr_value = getattr(pipeline, pipe_attr.lower()) - self.assertNotEqual(attr_value, self.default_pipeline_settings[pipe_attr]) - self.assertEqual(attr_value, getattr(pipeline, pipe_attr)) + assert attr_value != self.default_pipeline_settings[pipe_attr] + assert attr_value == getattr(pipeline, pipe_attr) def test_subclass_attrs_preserved_custom_settings(self): """ @@ -430,9 +412,9 @@ class ImagesPipelineTestCaseCustomSettings(unittest.TestCase): # Instance attribute (lowercase) must be equal to # value defined in settings. value = getattr(pipeline, pipe_attr.lower()) - self.assertNotEqual(value, self.default_pipeline_settings[pipe_attr]) + assert value != self.default_pipeline_settings[pipe_attr] setings_value = settings.get(settings_attr) - self.assertEqual(value, setings_value) + assert value == setings_value def test_no_custom_settings_for_subclasses(self): """ @@ -449,7 +431,7 @@ class ImagesPipelineTestCaseCustomSettings(unittest.TestCase): for pipe_attr, settings_attr in self.img_cls_attribute_names: # Values from settings for custom pipeline should be set on pipeline instance. custom_value = self.default_pipeline_settings.get(pipe_attr.upper()) - self.assertEqual(getattr(user_pipeline, pipe_attr.lower()), custom_value) + assert getattr(user_pipeline, pipe_attr.lower()) == custom_value def test_custom_settings_for_subclasses(self): """ @@ -468,8 +450,8 @@ class ImagesPipelineTestCaseCustomSettings(unittest.TestCase): for pipe_attr, settings_attr in self.img_cls_attribute_names: # Values from settings for custom pipeline should be set on pipeline instance. custom_value = settings.get(prefix + "_" + settings_attr) - self.assertNotEqual(custom_value, self.default_pipeline_settings[pipe_attr]) - self.assertEqual(getattr(user_pipeline, pipe_attr.lower()), custom_value) + assert custom_value != self.default_pipeline_settings[pipe_attr] + assert getattr(user_pipeline, pipe_attr.lower()) == custom_value def test_custom_settings_and_class_attrs_for_subclasses(self): """ @@ -482,8 +464,8 @@ class ImagesPipelineTestCaseCustomSettings(unittest.TestCase): user_pipeline = pipeline_cls.from_crawler(get_crawler(None, settings)) for pipe_attr, settings_attr in self.img_cls_attribute_names: custom_value = settings.get(prefix + "_" + settings_attr) - self.assertNotEqual(custom_value, self.default_pipeline_settings[pipe_attr]) - self.assertEqual(getattr(user_pipeline, pipe_attr.lower()), custom_value) + assert custom_value != self.default_pipeline_settings[pipe_attr] + assert getattr(user_pipeline, pipe_attr.lower()) == custom_value def test_cls_attrs_with_DEFAULT_prefix(self): class UserDefinedImagePipeline(ImagesPipeline): @@ -493,13 +475,13 @@ class ImagesPipelineTestCaseCustomSettings(unittest.TestCase): pipeline = UserDefinedImagePipeline.from_crawler( get_crawler(None, {"IMAGES_STORE": self.tempdir}) ) - self.assertEqual( - pipeline.images_result_field, - UserDefinedImagePipeline.DEFAULT_IMAGES_RESULT_FIELD, + assert ( + pipeline.images_result_field + == UserDefinedImagePipeline.DEFAULT_IMAGES_RESULT_FIELD ) - self.assertEqual( - pipeline.images_urls_field, - UserDefinedImagePipeline.DEFAULT_IMAGES_URLS_FIELD, + assert ( + pipeline.images_urls_field + == UserDefinedImagePipeline.DEFAULT_IMAGES_URLS_FIELD ) def test_user_defined_subclass_default_key_names(self): @@ -516,7 +498,7 @@ class ImagesPipelineTestCaseCustomSettings(unittest.TestCase): for pipe_attr, settings_attr in self.img_cls_attribute_names: expected_value = settings.get(settings_attr) - self.assertEqual(getattr(pipeline_cls, pipe_attr.lower()), expected_value) + assert getattr(pipeline_cls, pipe_attr.lower()) == expected_value def _create_image(format, *a, **kw): diff --git a/tests/test_pipeline_media.py b/tests/test_pipeline_media.py index c6fdd3767..d915fc2a3 100644 --- a/tests/test_pipeline_media.py +++ b/tests/test_pipeline_media.py @@ -2,6 +2,7 @@ from __future__ import annotations import warnings +import pytest from testfixtures import LogCapture from twisted.internet import reactor from twisted.internet.defer import Deferred, inlineCallbacks @@ -18,15 +19,6 @@ from scrapy.utils.log import failure_to_exc_info from scrapy.utils.signal import disconnect_all from scrapy.utils.test import get_crawler -try: - from PIL import Image # noqa: F401 -except ImportError: - skip_pillow: str | None = ( - "Missing Python Imaging Library, install https://pypi.org/pypi/Pillow" - ) -else: - skip_pillow = None - def _mocked_download_func(request, info): assert request.callback is NO_CALLBACK @@ -51,7 +43,7 @@ class UserDefinedPipeline(MediaPipeline): return "" -class BaseMediaPipelineTestCase(unittest.TestCase): +class TestBaseMediaPipeline(unittest.TestCase): pipeline_class = UserDefinedPipeline settings = None @@ -123,9 +115,9 @@ class BaseMediaPipelineTestCase(unittest.TestCase): failure = Failure(file_exc) # The Failure should encapsulate a FileException ... - self.assertEqual(failure.value, file_exc) + assert failure.value == file_exc # ... and it should have the StopIteration exception set as its context - self.assertEqual(failure.value.__context__, def_gen_return_exc) + assert failure.value.__context__ == def_gen_return_exc # Let's calculate the request fingerprint and fake some runtime data... fp = self.fingerprint(request) @@ -136,12 +128,12 @@ class BaseMediaPipelineTestCase(unittest.TestCase): # When calling the method that caches the Request's result ... self.pipe._cache_result_and_execute_waiters(failure, fp, info) # ... it should store the Twisted Failure ... - self.assertEqual(info.downloaded[fp], failure) + assert info.downloaded[fp] == failure # ... encapsulating the original FileException ... - self.assertEqual(info.downloaded[fp].value, file_exc) + assert info.downloaded[fp].value == file_exc # ... but it should not store the StopIteration exception on its context context = getattr(info.downloaded[fp].value, "__context__", None) - self.assertIsNone(context) + assert context is None def test_default_item_completed(self): item = {"name": "name"} @@ -158,7 +150,7 @@ class BaseMediaPipelineTestCase(unittest.TestCase): assert len(log.records) == 1 record = log.records[0] assert record.levelname == "ERROR" - self.assertTupleEqual(record.exc_info, failure_to_exc_info(fail)) + assert record.exc_info == failure_to_exc_info(fail) # disable failure logging and check again self.pipe.LOG_FAILED_RESULTS = False @@ -208,7 +200,7 @@ class MockedMediaPipeline(UserDefinedPipeline): return item -class MediaPipelineTestCase(BaseMediaPipelineTestCase): +class TestMediaPipeline(TestBaseMediaPipeline): pipeline_class = MockedMediaPipeline def _errback(self, result): @@ -225,16 +217,13 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): ) item = {"requests": req} new_item = yield self.pipe.process_item(item, self.spider) - self.assertEqual(new_item["results"], [(True, {})]) - self.assertEqual( - self.pipe._mockcalled, - [ - "get_media_requests", - "media_to_download", - "media_downloaded", - "item_completed", - ], - ) + assert new_item["results"] == [(True, {})] + assert self.pipe._mockcalled == [ + "get_media_requests", + "media_to_download", + "media_downloaded", + "item_completed", + ] @inlineCallbacks def test_result_failure(self): @@ -247,17 +236,14 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): ) item = {"requests": req} new_item = yield self.pipe.process_item(item, self.spider) - self.assertEqual(new_item["results"], [(False, fail)]) - self.assertEqual( - self.pipe._mockcalled, - [ - "get_media_requests", - "media_to_download", - "media_failed", - "request_errback", - "item_completed", - ], - ) + assert new_item["results"] == [(False, fail)] + assert self.pipe._mockcalled == [ + "get_media_requests", + "media_to_download", + "media_failed", + "request_errback", + "item_completed", + ] @inlineCallbacks def test_mix_of_success_and_failure(self): @@ -268,18 +254,18 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): req2 = Request("http://url2", meta={"response": fail}) item = {"requests": [req1, req2]} new_item = yield self.pipe.process_item(item, self.spider) - self.assertEqual(new_item["results"], [(True, {}), (False, fail)]) + assert new_item["results"] == [(True, {}), (False, fail)] m = self.pipe._mockcalled # only once - self.assertEqual(m[0], "get_media_requests") # first hook called - self.assertEqual(m.count("get_media_requests"), 1) - self.assertEqual(m.count("item_completed"), 1) - self.assertEqual(m[-1], "item_completed") # last hook called + assert m[0] == "get_media_requests" # first hook called + assert m.count("get_media_requests") == 1 + assert m.count("item_completed") == 1 + assert m[-1] == "item_completed" # last hook called # twice, one per request - self.assertEqual(m.count("media_to_download"), 2) + assert m.count("media_to_download") == 2 # one to handle success and other for failure - self.assertEqual(m.count("media_downloaded"), 1) - self.assertEqual(m.count("media_failed"), 1) + assert m.count("media_downloaded") == 1 + assert m.count("media_failed") == 1 @inlineCallbacks def test_get_media_requests(self): @@ -288,7 +274,7 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): item = {"requests": req} # pass a single item new_item = yield self.pipe.process_item(item, self.spider) assert new_item is item - self.assertIn(self.fingerprint(req), self.info.downloaded) + assert self.fingerprint(req) in self.info.downloaded # returns iterable of Requests req1 = Request("http://url1") @@ -305,8 +291,8 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): req1 = Request("http://url1", meta={"response": rsp1}) item = {"requests": req1} new_item = yield self.pipe.process_item(item, self.spider) - self.assertTrue(new_item is item) - self.assertEqual(new_item["results"], [(True, {})]) + assert new_item is item + assert new_item["results"] == [(True, {})] # rsp2 is ignored, rsp1 must be in results because request fingerprints are the same req2 = Request( @@ -314,9 +300,9 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): ) item = {"requests": req2} new_item = yield self.pipe.process_item(item, self.spider) - self.assertTrue(new_item is item) - self.assertEqual(self.fingerprint(req1), self.fingerprint(req2)) - self.assertEqual(new_item["results"], [(True, {})]) + assert new_item is item + assert self.fingerprint(req1) == self.fingerprint(req2) + assert new_item["results"] == [(True, {})] @inlineCallbacks def test_results_are_cached_for_requests_of_single_item(self): @@ -327,17 +313,17 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): ) item = {"requests": [req1, req2]} new_item = yield self.pipe.process_item(item, self.spider) - self.assertTrue(new_item is item) - self.assertEqual(new_item["results"], [(True, {}), (True, {})]) + assert new_item is item + assert new_item["results"] == [(True, {}), (True, {})] @inlineCallbacks def test_wait_if_request_is_downloading(self): def _check_downloading(response): fp = self.fingerprint(req1) - self.assertTrue(fp in self.info.downloading) - self.assertTrue(fp in self.info.waiting) - self.assertTrue(fp not in self.info.downloaded) - self.assertEqual(len(self.info.waiting[fp]), 2) + assert fp in self.info.downloading + assert fp in self.info.waiting + assert fp not in self.info.downloaded + assert len(self.info.waiting[fp]) == 2 return response rsp1 = Response("http://url") @@ -348,39 +334,40 @@ class MediaPipelineTestCase(BaseMediaPipelineTestCase): return dfd def rsp2_func(): - self.fail("it must cache rsp1 result and must not try to redownload") + pytest.fail("it must cache rsp1 result and must not try to redownload") req1 = Request("http://url", meta={"response": rsp1_func}) req2 = Request(req1.url, meta={"response": rsp2_func}) item = {"requests": [req1, req2]} new_item = yield self.pipe.process_item(item, self.spider) - self.assertEqual(new_item["results"], [(True, {}), (True, {})]) + assert new_item["results"] == [(True, {}), (True, {})] @inlineCallbacks def test_use_media_to_download_result(self): req = Request("http://url", meta={"result": "ITSME", "response": self.fail}) item = {"requests": req} new_item = yield self.pipe.process_item(item, self.spider) - self.assertEqual(new_item["results"], [(True, "ITSME")]) - self.assertEqual( - self.pipe._mockcalled, - ["get_media_requests", "media_to_download", "item_completed"], - ) + assert new_item["results"] == [(True, "ITSME")] + assert self.pipe._mockcalled == [ + "get_media_requests", + "media_to_download", + "item_completed", + ] def test_key_for_pipe(self): - self.assertEqual( - self.pipe._key_for_pipe("IMAGES", base_class_name="MediaPipeline"), - "MOCKEDMEDIAPIPELINE_IMAGES", + assert ( + self.pipe._key_for_pipe("IMAGES", base_class_name="MediaPipeline") + == "MOCKEDMEDIAPIPELINE_IMAGES" ) -class MediaPipelineAllowRedirectSettingsTestCase(unittest.TestCase): +class TestMediaPipelineAllowRedirectSettings: def _assert_request_no3xx(self, pipeline_class, settings): pipe = pipeline_class(crawler=get_crawler(None, settings)) request = Request("http://url") pipe._modify_media_request(request) - self.assertIn("handle_httpstatus_list", request.meta) + assert "handle_httpstatus_list" in request.meta for status, check in [ (200, True), # These are the status codes we want @@ -396,9 +383,9 @@ class MediaPipelineAllowRedirectSettingsTestCase(unittest.TestCase): (500, True), ]: if check: - self.assertIn(status, request.meta["handle_httpstatus_list"]) + assert status in request.meta["handle_httpstatus_list"] else: - self.assertNotIn(status, request.meta["handle_httpstatus_list"]) + assert status not in request.meta["handle_httpstatus_list"] def test_subclass_standard_setting(self): self._assert_request_no3xx(UserDefinedPipeline, {"MEDIA_ALLOW_REDIRECTS": True}) @@ -409,8 +396,8 @@ class MediaPipelineAllowRedirectSettingsTestCase(unittest.TestCase): ) -class BuildFromCrawlerTestCase(unittest.TestCase): - def setUp(self): +class TestBuildFromCrawler: + def setup_method(self): self.crawler = get_crawler(None, {"FILES_STORE": "/foo"}) def test_simple(self): @@ -421,7 +408,7 @@ class BuildFromCrawlerTestCase(unittest.TestCase): pipe = Pipeline.from_crawler(self.crawler) assert pipe.crawler == self.crawler assert pipe._fingerprinter - self.assertEqual(len(w), 0) + assert len(w) == 0 def test_has_old_init(self): class Pipeline(UserDefinedPipeline): @@ -433,7 +420,7 @@ class BuildFromCrawlerTestCase(unittest.TestCase): pipe = Pipeline.from_crawler(self.crawler) assert pipe.crawler == self.crawler assert pipe._fingerprinter - self.assertEqual(len(w), 2) + assert len(w) == 2 assert pipe._init_called def test_has_from_settings(self): @@ -450,7 +437,7 @@ class BuildFromCrawlerTestCase(unittest.TestCase): pipe = Pipeline.from_crawler(self.crawler) assert pipe.crawler == self.crawler assert pipe._fingerprinter - self.assertEqual(len(w), 2) + assert len(w) == 2 assert pipe._from_settings_called def test_has_from_settings_and_from_crawler(self): @@ -474,7 +461,7 @@ class BuildFromCrawlerTestCase(unittest.TestCase): pipe = Pipeline.from_crawler(self.crawler) assert pipe.crawler == self.crawler assert pipe._fingerprinter - self.assertEqual(len(w), 2) + assert len(w) == 2 assert pipe._from_settings_called assert pipe._from_crawler_called @@ -497,7 +484,7 @@ class BuildFromCrawlerTestCase(unittest.TestCase): pipe = Pipeline.from_crawler(self.crawler) assert pipe.crawler == self.crawler assert pipe._fingerprinter - self.assertEqual(len(w), 2) + assert len(w) == 2 assert pipe._from_settings_called assert pipe._init_called @@ -521,7 +508,7 @@ class BuildFromCrawlerTestCase(unittest.TestCase): pipe = Pipeline.from_crawler(self.crawler) assert pipe.crawler == self.crawler assert pipe._fingerprinter - self.assertEqual(len(w), 0) + assert len(w) == 0 assert pipe._from_crawler_called assert pipe._init_called @@ -542,5 +529,5 @@ class BuildFromCrawlerTestCase(unittest.TestCase): # this and the next assert will fail as MediaPipeline.from_crawler() wasn't called assert pipe.crawler == self.crawler assert pipe._fingerprinter - self.assertEqual(len(w), 0) + assert len(w) == 0 assert pipe._from_crawler_called From 380c2279b92f1aa7386e79fc43109499a057e8cf Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Sun, 9 Mar 2025 23:23:51 +0400 Subject: [PATCH 418/786] Converting tests to plain asserts, part 7. (#6710) --- tests/test_downloader_handlers.py | 243 ++++++++-------- tests/test_downloader_handlers_http2.py | 41 ++- tests/test_exporters.py | 168 +++++------ tests/test_feedexport.py | 367 +++++++++++------------- tests/test_http2_client_protocol.py | 123 ++++---- tests/test_http_cookies.py | 52 ++-- tests/test_http_headers.py | 87 +++--- 7 files changed, 512 insertions(+), 569 deletions(-) diff --git a/tests/test_downloader_handlers.py b/tests/test_downloader_handlers.py index 323a51002..19bd02498 100644 --- a/tests/test_downloader_handlers.py +++ b/tests/test_downloader_handlers.py @@ -69,46 +69,46 @@ class OffDH: return cls(crawler) -class LoadTestCase(unittest.TestCase): +class TestLoad: def test_enabled_handler(self): handlers = {"scheme": DummyDH} crawler = get_crawler(settings_dict={"DOWNLOAD_HANDLERS": handlers}) dh = DownloadHandlers(crawler) - self.assertIn("scheme", dh._schemes) - self.assertIn("scheme", dh._handlers) - self.assertNotIn("scheme", dh._notconfigured) + assert "scheme" in dh._schemes + assert "scheme" in dh._handlers + assert "scheme" not in dh._notconfigured def test_not_configured_handler(self): handlers = {"scheme": OffDH} crawler = get_crawler(settings_dict={"DOWNLOAD_HANDLERS": handlers}) dh = DownloadHandlers(crawler) - self.assertIn("scheme", dh._schemes) - self.assertNotIn("scheme", dh._handlers) - self.assertIn("scheme", dh._notconfigured) + assert "scheme" in dh._schemes + assert "scheme" not in dh._handlers + assert "scheme" in dh._notconfigured def test_disabled_handler(self): handlers = {"scheme": None} crawler = get_crawler(settings_dict={"DOWNLOAD_HANDLERS": handlers}) dh = DownloadHandlers(crawler) - self.assertNotIn("scheme", dh._schemes) + assert "scheme" not in dh._schemes for scheme in handlers: # force load handlers dh._get_handler(scheme) - self.assertNotIn("scheme", dh._handlers) - self.assertIn("scheme", dh._notconfigured) + assert "scheme" not in dh._handlers + assert "scheme" in dh._notconfigured def test_lazy_handlers(self): handlers = {"scheme": DummyLazyDH} crawler = get_crawler(settings_dict={"DOWNLOAD_HANDLERS": handlers}) dh = DownloadHandlers(crawler) - self.assertIn("scheme", dh._schemes) - self.assertNotIn("scheme", dh._handlers) + assert "scheme" in dh._schemes + assert "scheme" not in dh._handlers for scheme in handlers: # force load lazy handler dh._get_handler(scheme) - self.assertIn("scheme", dh._handlers) - self.assertNotIn("scheme", dh._notconfigured) + assert "scheme" in dh._handlers + assert "scheme" not in dh._notconfigured -class FileTestCase(unittest.TestCase): +class TestFile(unittest.TestCase): def setUp(self): # add a special char to check that they are handled correctly self.fd, self.tmpname = mkstemp(suffix="^") @@ -122,10 +122,10 @@ class FileTestCase(unittest.TestCase): def test_download(self): def _test(response): - self.assertEqual(response.url, request.url) - self.assertEqual(response.status, 200) - self.assertEqual(response.body, b"0123456789") - self.assertEqual(response.protocol, None) + assert response.url == request.url + assert response.status == 200 + assert response.body == b"0123456789" + assert response.protocol is None request = Request(path_to_file_uri(self.tmpname)) assert request.url.upper().endswith("%5E") @@ -217,7 +217,7 @@ class DuplicateHeaderResource(resource.Resource): return b"" -class HttpTestCase(unittest.TestCase, ABC): +class TestHttp(unittest.TestCase, ABC): scheme = "http" # only used for HTTPS tests @@ -336,8 +336,8 @@ class HttpTestCase(unittest.TestCase, ABC): def test_host_header_not_in_request_headers(self): def _test(response): - self.assertEqual(response.body, to_bytes(f"{self.host}:{self.portno}")) - self.assertEqual(request.headers, {}) + assert response.body == to_bytes(f"{self.host}:{self.portno}") + assert not request.headers request = Request(self.getURL("host")) return self.download_request(request, Spider("foo")).addCallback(_test) @@ -346,8 +346,8 @@ class HttpTestCase(unittest.TestCase, ABC): host = self.host + ":" + str(self.portno) def _test(response): - self.assertEqual(response.body, host.encode()) - self.assertEqual(request.headers.get("Host"), host.encode()) + assert response.body == host.encode() + assert request.headers.get("Host") == host.encode() request = Request(self.getURL("host"), headers={"Host": host}) return self.download_request(request, Spider("foo")).addCallback(_test) @@ -365,7 +365,7 @@ class HttpTestCase(unittest.TestCase, ABC): """ def _test(response): - self.assertEqual(response.body, b"0") + assert response.body == b"0" request = Request(self.getURL("contentlength"), method="POST") return self.download_request(request, Spider("foo")).addCallback(_test) @@ -376,8 +376,8 @@ class HttpTestCase(unittest.TestCase, ABC): headers = Headers(json.loads(response.text)["headers"]) contentlengths = headers.getlist("Content-Length") - self.assertEqual(len(contentlengths), 1) - self.assertEqual(contentlengths, [b"0"]) + assert len(contentlengths) == 1 + assert contentlengths == [b"0"] request = Request(self.getURL("echo"), method="POST") return self.download_request(request, Spider("foo")).addCallback(_test) @@ -399,7 +399,7 @@ class HttpTestCase(unittest.TestCase, ABC): def _test_response_class(self, filename, body, response_class): def _test(response): - self.assertEqual(type(response), response_class) + assert type(response) is response_class # pylint: disable=unidiomatic-typecheck request = Request(self.getURL(filename), body=body) return self.download_request(request, Spider("foo")).addCallback(_test) @@ -416,17 +416,14 @@ class HttpTestCase(unittest.TestCase, ABC): def test_get_duplicate_header(self): def _test(response): - self.assertEqual( - response.headers.getlist(b"Set-Cookie"), - [b"a=b", b"c=d"], - ) + assert response.headers.getlist(b"Set-Cookie") == [b"a=b", b"c=d"] request = Request(self.getURL("duplicate-header")) return self.download_request(request, Spider("foo")).addCallback(_test) @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") -class Http10TestCase(HttpTestCase): +class TestHttp10(TestHttp): """HTTP 1.0 test case""" @property @@ -441,11 +438,11 @@ class Http10TestCase(HttpTestCase): return d -class Https10TestCase(Http10TestCase): +class TestHttps10(TestHttp10): scheme = "https" -class Http11TestCase(HttpTestCase): +class TestHttp11(TestHttp): """HTTP 1.1 test case""" @property @@ -466,7 +463,7 @@ class Http11TestCase(HttpTestCase): body = b"Some plain text\ndata with tabs\t and null bytes\0" def _test_type(response): - self.assertEqual(type(response), TextResponse) + assert type(response) is TextResponse # pylint: disable=unidiomatic-typecheck request = Request(self.getURL("nocontenttype"), body=body) d = self.download_request(request, Spider("foo")) @@ -583,7 +580,7 @@ class Http11TestCase(HttpTestCase): return d -class Https11TestCase(Http11TestCase): +class TestHttps11(TestHttp11): scheme = "https" tls_log_message = ( @@ -611,7 +608,7 @@ class Https11TestCase(Http11TestCase): yield download_handler.close() -class SimpleHttpsTest(unittest.TestCase): +class TestSimpleHttps(unittest.TestCase): """Base class for special cases tested with just one simple request""" keyfile = "keys/localhost.key" @@ -663,7 +660,7 @@ class SimpleHttpsTest(unittest.TestCase): return d -class Https11WrongHostnameTestCase(SimpleHttpsTest): +class TestHttps11WrongHostname(TestSimpleHttps): # above tests use a server certificate for "localhost", # client connection to "localhost" too. # here we test that even if the server certificate is for another domain, @@ -673,7 +670,7 @@ class Https11WrongHostnameTestCase(SimpleHttpsTest): certfile = "keys/example-com.cert.pem" -class Https11InvalidDNSId(SimpleHttpsTest): +class TestHttps11InvalidDNSId(TestSimpleHttps): """Connect to HTTPS hosts with IP while certificate uses domain names IDs.""" def setUp(self): @@ -681,18 +678,18 @@ class Https11InvalidDNSId(SimpleHttpsTest): self.host = "127.0.0.1" -class Https11InvalidDNSPattern(SimpleHttpsTest): +class TestHttps11InvalidDNSPattern(TestSimpleHttps): """Connect to HTTPS hosts where the certificate are issued to an ip instead of a domain.""" keyfile = "keys/localhost.ip.key" certfile = "keys/localhost.ip.crt" -class Https11CustomCiphers(SimpleHttpsTest): +class TestHttps11CustomCiphers(TestSimpleHttps): cipher_string = "CAMELLIA256-SHA" -class Http11MockServerTestCase(unittest.TestCase): +class TestHttp11MockServer(unittest.TestCase): """HTTP 1.1 test case with MockServer""" settings_dict: dict | None = None @@ -719,7 +716,7 @@ class Http11MockServerTestCase(unittest.TestCase): ) ) failure = crawler.spider.meta["failure"] - self.assertIsInstance(failure.value, defer.CancelledError) + assert isinstance(failure.value, defer.CancelledError) @defer.inlineCallbacks def test_download(self): @@ -728,9 +725,9 @@ class Http11MockServerTestCase(unittest.TestCase): seed=Request(url=self.mockserver.url("", is_secure=self.is_secure)) ) failure = crawler.spider.meta.get("failure") - self.assertTrue(failure is None) + assert failure is None reason = crawler.spider.meta["close_reason"] - self.assertTrue(reason, "finished") + assert reason == "finished" class UriResource(resource.Resource): @@ -748,7 +745,7 @@ class UriResource(resource.Resource): return b"" -class HttpProxyTestCase(unittest.TestCase, ABC): +class TestHttpProxy(unittest.TestCase, ABC): expected_http_proxy_request_body = b"http://example.com" @property @@ -777,9 +774,9 @@ class HttpProxyTestCase(unittest.TestCase, ABC): def test_download_with_proxy(self): def _test(response): - self.assertEqual(response.status, 200) - self.assertEqual(response.url, request.url) - self.assertEqual(response.body, self.expected_http_proxy_request_body) + assert response.status == 200 + assert response.url == request.url + assert response.body == self.expected_http_proxy_request_body http_proxy = self.getURL("") request = Request("http://example.com", meta={"proxy": http_proxy}) @@ -787,22 +784,22 @@ class HttpProxyTestCase(unittest.TestCase, ABC): def test_download_without_proxy(self): def _test(response): - self.assertEqual(response.status, 200) - self.assertEqual(response.url, request.url) - self.assertEqual(response.body, b"/path/to/resource") + assert response.status == 200 + assert response.url == request.url + assert response.body == b"/path/to/resource" request = Request(self.getURL("path/to/resource")) return self.download_request(request, Spider("foo")).addCallback(_test) @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") -class Http10ProxyTestCase(HttpProxyTestCase): +class TestHttp10Proxy(TestHttpProxy): @property def download_handler_cls(self) -> type[DownloadHandlerProtocol]: return HTTP10DownloadHandler -class Http11ProxyTestCase(HttpProxyTestCase): +class TestHttp11Proxy(TestHttpProxy): @property def download_handler_cls(self) -> type[DownloadHandlerProtocol]: return HTTP11DownloadHandler @@ -817,13 +814,13 @@ class Http11ProxyTestCase(HttpProxyTestCase): request = Request(domain, meta={"proxy": http_proxy, "download_timeout": 0.2}) d = self.download_request(request, Spider("foo")) timeout = yield self.assertFailure(d, error.TimeoutError) - self.assertIn(domain, timeout.osError) + assert domain in timeout.osError def test_download_with_proxy_without_http_scheme(self): def _test(response): - self.assertEqual(response.status, 200) - self.assertEqual(response.url, request.url) - self.assertEqual(response.body, self.expected_http_proxy_request_body) + assert response.status == 200 + assert response.url == request.url + assert response.body == self.expected_http_proxy_request_body http_proxy = self.getURL("").replace("http://", "") request = Request("http://example.com", meta={"proxy": http_proxy}) @@ -839,8 +836,8 @@ class HttpDownloadHandlerMock: @pytest.mark.requires_botocore -class S3AnonTestCase(unittest.TestCase): - def setUp(self): +class TestS3Anon: + def setup_method(self): crawler = get_crawler() self.s3reqh = build_from_crawler( S3DownloadHandler, @@ -854,13 +851,13 @@ class S3AnonTestCase(unittest.TestCase): def test_anon_request(self): req = Request("s3://aws-publicdatasets/") httpreq = self.download_request(req, self.spider) - self.assertEqual(hasattr(self.s3reqh, "anon"), True) - self.assertEqual(self.s3reqh.anon, True) - self.assertEqual(httpreq.url, "http://aws-publicdatasets.s3.amazonaws.com/") + assert hasattr(self.s3reqh, "anon") + assert self.s3reqh.anon + assert httpreq.url == "http://aws-publicdatasets.s3.amazonaws.com/" @pytest.mark.requires_botocore -class S3TestCase(unittest.TestCase): +class TestS3: download_handler_cls: type = S3DownloadHandler # test use same example keys than amazon developer guide @@ -870,7 +867,7 @@ class S3TestCase(unittest.TestCase): AWS_ACCESS_KEY_ID = "0PN5J17HBGZHT7JJ3X82" AWS_SECRET_ACCESS_KEY = "uV3F3YluFJax1cknvbcGwgjvx4QpvB+leU8dUj2o" - def setUp(self): + def setup_method(self): crawler = get_crawler() s3reqh = build_from_crawler( S3DownloadHandler, @@ -897,17 +894,13 @@ class S3TestCase(unittest.TestCase): yield def test_extra_kw(self): - try: - crawler = get_crawler() + crawler = get_crawler() + with pytest.raises((TypeError, NotConfigured)): build_from_crawler( S3DownloadHandler, crawler, extra_kw=True, ) - except Exception as e: - self.assertIsInstance(e, (TypeError, NotConfigured)) - else: - raise AssertionError def test_request_signing1(self): # gets an object from the johnsmith bucket. @@ -915,9 +908,9 @@ class S3TestCase(unittest.TestCase): req = Request("s3://johnsmith/photos/puppy.jpg", headers={"Date": date}) with self._mocked_date(date): httpreq = self.download_request(req, self.spider) - self.assertEqual( - httpreq.headers["Authorization"], - b"AWS 0PN5J17HBGZHT7JJ3X82:xXjDGYUmKxnwqr5KXNPGldn5LbA=", + assert ( + httpreq.headers["Authorization"] + == b"AWS 0PN5J17HBGZHT7JJ3X82:xXjDGYUmKxnwqr5KXNPGldn5LbA=" ) def test_request_signing2(self): @@ -934,9 +927,9 @@ class S3TestCase(unittest.TestCase): ) with self._mocked_date(date): httpreq = self.download_request(req, self.spider) - self.assertEqual( - httpreq.headers["Authorization"], - b"AWS 0PN5J17HBGZHT7JJ3X82:hcicpDDvL9SsO6AkvxqmIWkmOuQ=", + assert ( + httpreq.headers["Authorization"] + == b"AWS 0PN5J17HBGZHT7JJ3X82:hcicpDDvL9SsO6AkvxqmIWkmOuQ=" ) def test_request_signing3(self): @@ -952,9 +945,9 @@ class S3TestCase(unittest.TestCase): ) with self._mocked_date(date): httpreq = self.download_request(req, self.spider) - self.assertEqual( - httpreq.headers["Authorization"], - b"AWS 0PN5J17HBGZHT7JJ3X82:jsRt/rhG+Vtp88HrYL706QhE4w4=", + assert ( + httpreq.headers["Authorization"] + == b"AWS 0PN5J17HBGZHT7JJ3X82:jsRt/rhG+Vtp88HrYL706QhE4w4=" ) def test_request_signing4(self): @@ -963,9 +956,9 @@ class S3TestCase(unittest.TestCase): req = Request("s3://johnsmith/?acl", method="GET", headers={"Date": date}) with self._mocked_date(date): httpreq = self.download_request(req, self.spider) - self.assertEqual( - httpreq.headers["Authorization"], - b"AWS 0PN5J17HBGZHT7JJ3X82:thdUi9VAkzhkniLj96JIrOPGi0g=", + assert ( + httpreq.headers["Authorization"] + == b"AWS 0PN5J17HBGZHT7JJ3X82:thdUi9VAkzhkniLj96JIrOPGi0g=" ) def test_request_signing6(self): @@ -991,9 +984,9 @@ class S3TestCase(unittest.TestCase): ) with self._mocked_date(date): httpreq = self.download_request(req, self.spider) - self.assertEqual( - httpreq.headers["Authorization"], - b"AWS 0PN5J17HBGZHT7JJ3X82:C0FlOtU8Ylb9KDTpZqYkZPX91iI=", + assert ( + httpreq.headers["Authorization"] + == b"AWS 0PN5J17HBGZHT7JJ3X82:C0FlOtU8Ylb9KDTpZqYkZPX91iI=" ) def test_request_signing7(self): @@ -1006,13 +999,13 @@ class S3TestCase(unittest.TestCase): ) with self._mocked_date(date): httpreq = self.download_request(req, self.spider) - self.assertEqual( - httpreq.headers["Authorization"], - b"AWS 0PN5J17HBGZHT7JJ3X82:+CfvG8EZ3YccOrRVMXNaK2eKZmM=", + assert ( + httpreq.headers["Authorization"] + == b"AWS 0PN5J17HBGZHT7JJ3X82:+CfvG8EZ3YccOrRVMXNaK2eKZmM=" ) -class BaseFTPTestCase(unittest.TestCase): +class TestFTPBase(unittest.TestCase): username = "scrapy" password = "passwd" req_meta = {"ftp_user": username, "ftp_password": password} @@ -1068,10 +1061,10 @@ class BaseFTPTestCase(unittest.TestCase): d = self.download_handler.download_request(request, None) def _test(r): - self.assertEqual(r.status, 200) - self.assertEqual(r.body, b"I have the power!") - self.assertEqual(r.headers, {b"Local Filename": [b""], b"Size": [b"17"]}) - self.assertIsNone(r.protocol) + assert r.status == 200 + assert r.body == b"I have the power!" + assert r.headers == {b"Local Filename": [b""], b"Size": [b"17"]} + assert r.protocol is None return self._add_test_callbacks(d, _test) @@ -1083,9 +1076,9 @@ class BaseFTPTestCase(unittest.TestCase): d = self.download_handler.download_request(request, None) def _test(r): - self.assertEqual(r.status, 200) - self.assertEqual(r.body, b"Moooooooooo power!") - self.assertEqual(r.headers, {b"Local Filename": [b""], b"Size": [b"18"]}) + assert r.status == 200 + assert r.body == b"Moooooooooo power!" + assert r.headers == {b"Local Filename": [b""], b"Size": [b"18"]} return self._add_test_callbacks(d, _test) @@ -1096,7 +1089,7 @@ class BaseFTPTestCase(unittest.TestCase): d = self.download_handler.download_request(request, None) def _test(r): - self.assertEqual(r.status, 404) + assert r.status == 404 return self._add_test_callbacks(d, _test) @@ -1111,12 +1104,10 @@ class BaseFTPTestCase(unittest.TestCase): d = self.download_handler.download_request(request, None) def _test(r): - self.assertEqual(r.body, fname_bytes) - self.assertEqual( - r.headers, {b"Local Filename": [fname_bytes], b"Size": [b"17"]} - ) - self.assertTrue(local_fname.exists()) - self.assertEqual(local_fname.read_bytes(), b"I have the power!") + assert r.body == fname_bytes + assert r.headers == {b"Local Filename": [fname_bytes], b"Size": [b"17"]} + assert local_fname.exists() + assert local_fname.read_bytes() == b"I have the power!" local_fname.unlink() return self._add_test_callbacks(d, _test) @@ -1131,7 +1122,7 @@ class BaseFTPTestCase(unittest.TestCase): d = self.download_handler.download_request(request, None) def _test(r): - self.assertEqual(type(r), response_class) + assert type(r) is response_class # pylint: disable=unidiomatic-typecheck local_fname.unlink() return self._add_test_callbacks(d, _test) @@ -1143,7 +1134,7 @@ class BaseFTPTestCase(unittest.TestCase): return self._test_response_class("html-file-without-extension", HtmlResponse) -class FTPTestCase(BaseFTPTestCase): +class TestFTP(TestFTPBase): def test_invalid_credentials(self): if self.reactor_pytest == "asyncio" and sys.platform == "win32": raise unittest.SkipTest( @@ -1157,12 +1148,12 @@ class FTPTestCase(BaseFTPTestCase): d = self.download_handler.download_request(request, None) def _test(r): - self.assertEqual(r.type, ConnectionLost) + assert r.type == ConnectionLost return self._add_test_callbacks(d, errback=_test) -class AnonymousFTPTestCase(BaseFTPTestCase): +class TestAnonymousFTP(TestFTPBase): username = "anonymous" req_meta = {} @@ -1188,7 +1179,7 @@ class AnonymousFTPTestCase(BaseFTPTestCase): shutil.rmtree(self.directory) -class DataURITestCase(unittest.TestCase): +class TestDataURI(unittest.TestCase): def setUp(self): crawler = get_crawler() self.download_handler = build_from_crawler(DataURIDownloadHandler, crawler) @@ -1199,44 +1190,44 @@ class DataURITestCase(unittest.TestCase): uri = "data:,A%20brief%20note" def _test(response): - self.assertEqual(response.url, uri) - self.assertFalse(response.headers) + assert response.url == uri + assert not response.headers request = Request(uri) return self.download_request(request, self.spider).addCallback(_test) def test_default_mediatype_encoding(self): def _test(response): - self.assertEqual(response.text, "A brief note") - self.assertEqual(type(response), responsetypes.from_mimetype("text/plain")) - self.assertEqual(response.encoding, "US-ASCII") + assert response.text == "A brief note" + assert type(response) is responsetypes.from_mimetype("text/plain") # pylint: disable=unidiomatic-typecheck + assert response.encoding == "US-ASCII" request = Request("data:,A%20brief%20note") return self.download_request(request, self.spider).addCallback(_test) def test_default_mediatype(self): def _test(response): - self.assertEqual(response.text, "\u038e\u03a3\u038e") - self.assertEqual(type(response), responsetypes.from_mimetype("text/plain")) - self.assertEqual(response.encoding, "iso-8859-7") + assert response.text == "\u038e\u03a3\u038e" + assert type(response) is responsetypes.from_mimetype("text/plain") # pylint: disable=unidiomatic-typecheck + assert response.encoding == "iso-8859-7" request = Request("data:;charset=iso-8859-7,%be%d3%be") return self.download_request(request, self.spider).addCallback(_test) def test_text_charset(self): def _test(response): - self.assertEqual(response.text, "\u038e\u03a3\u038e") - self.assertEqual(response.body, b"\xbe\xd3\xbe") - self.assertEqual(response.encoding, "iso-8859-7") + assert response.text == "\u038e\u03a3\u038e" + assert response.body == b"\xbe\xd3\xbe" + assert response.encoding == "iso-8859-7" request = Request("data:text/plain;charset=iso-8859-7,%be%d3%be") return self.download_request(request, self.spider).addCallback(_test) def test_mediatype_parameters(self): def _test(response): - self.assertEqual(response.text, "\u038e\u03a3\u038e") - self.assertEqual(type(response), responsetypes.from_mimetype("text/plain")) - self.assertEqual(response.encoding, "utf-8") + assert response.text == "\u038e\u03a3\u038e" + assert type(response) is responsetypes.from_mimetype("text/plain") # pylint: disable=unidiomatic-typecheck + assert response.encoding == "utf-8" request = Request( "data:text/plain;foo=%22foo;bar%5C%22%22;" @@ -1247,14 +1238,14 @@ class DataURITestCase(unittest.TestCase): def test_base64(self): def _test(response): - self.assertEqual(response.text, "Hello, world.") + assert response.text == "Hello, world." request = Request("data:text/plain;base64,SGVsbG8sIHdvcmxkLg%3D%3D") return self.download_request(request, self.spider).addCallback(_test) def test_protocol(self): def _test(response): - self.assertIsNone(response.protocol) + assert response.protocol is None request = Request("data:,") return self.download_request(request, self.spider).addCallback(_test) diff --git a/tests/test_downloader_handlers_http2.py b/tests/test_downloader_handlers_http2.py index 17d5c2d0a..c74c09cbb 100644 --- a/tests/test_downloader_handlers_http2.py +++ b/tests/test_downloader_handlers_http2.py @@ -4,7 +4,6 @@ from unittest import mock import pytest from testfixtures import LogCapture from twisted.internet import defer, error, reactor -from twisted.trial import unittest from twisted.web import server from twisted.web.error import SchemeNotSupported from twisted.web.http import H2_ENABLED @@ -28,25 +27,25 @@ class BaseTestClasses: # A hack to prevent tests from the imported classes to run here too. # See https://stackoverflow.com/q/1323455/113586 for other ways. from tests.test_downloader_handlers import ( - Http11MockServerTestCase as Http11MockServerTestCase, + TestHttp11MockServer as TestHttp11MockServer, ) from tests.test_downloader_handlers import ( - Http11ProxyTestCase as Http11ProxyTestCase, + TestHttp11Proxy as TestHttp11Proxy, ) from tests.test_downloader_handlers import ( - Https11CustomCiphers as Https11CustomCiphers, + TestHttps11 as TestHttps11, ) from tests.test_downloader_handlers import ( - Https11InvalidDNSId as Https11InvalidDNSId, + TestHttps11CustomCiphers as TestHttps11CustomCiphers, ) from tests.test_downloader_handlers import ( - Https11InvalidDNSPattern as Https11InvalidDNSPattern, + TestHttps11InvalidDNSId as TestHttps11InvalidDNSId, ) from tests.test_downloader_handlers import ( - Https11TestCase as Https11TestCase, + TestHttps11InvalidDNSPattern as TestHttps11InvalidDNSPattern, ) from tests.test_downloader_handlers import ( - Https11WrongHostnameTestCase as Https11WrongHostnameTestCase, + TestHttps11WrongHostname as TestHttps11WrongHostname, ) @@ -56,7 +55,7 @@ def _get_dh() -> type[DownloadHandlerProtocol]: return H2DownloadHandler -class Https2TestCase(BaseTestClasses.Https11TestCase): +class TestHttps2(BaseTestClasses.TestHttps11): scheme = "https" HTTP2_DATALOSS_SKIP_REASON = "Content-Length mismatch raises InvalidBodyLengthError" @@ -97,22 +96,22 @@ class Https2TestCase(BaseTestClasses.Https11TestCase): yield self.assertFailure(d, SchemeNotSupported) def test_download_broken_content_cause_data_loss(self, url="broken"): - raise unittest.SkipTest(self.HTTP2_DATALOSS_SKIP_REASON) + pytest.skip(self.HTTP2_DATALOSS_SKIP_REASON) def test_download_broken_chunked_content_cause_data_loss(self): - raise unittest.SkipTest(self.HTTP2_DATALOSS_SKIP_REASON) + pytest.skip(self.HTTP2_DATALOSS_SKIP_REASON) def test_download_broken_content_allow_data_loss(self, url="broken"): - raise unittest.SkipTest(self.HTTP2_DATALOSS_SKIP_REASON) + pytest.skip(self.HTTP2_DATALOSS_SKIP_REASON) def test_download_broken_chunked_content_allow_data_loss(self): - raise unittest.SkipTest(self.HTTP2_DATALOSS_SKIP_REASON) + pytest.skip(self.HTTP2_DATALOSS_SKIP_REASON) def test_download_broken_content_allow_data_loss_via_setting(self, url="broken"): - raise unittest.SkipTest(self.HTTP2_DATALOSS_SKIP_REASON) + pytest.skip(self.HTTP2_DATALOSS_SKIP_REASON) def test_download_broken_chunked_content_allow_data_loss_via_setting(self): - raise unittest.SkipTest(self.HTTP2_DATALOSS_SKIP_REASON) + pytest.skip(self.HTTP2_DATALOSS_SKIP_REASON) def test_concurrent_requests_same_domain(self): spider = Spider("foo") @@ -180,31 +179,31 @@ class Https2TestCase(BaseTestClasses.Https11TestCase): return d -class Https2WrongHostnameTestCase(BaseTestClasses.Https11WrongHostnameTestCase): +class Https2WrongHostnameTestCase(BaseTestClasses.TestHttps11WrongHostname): @property def download_handler_cls(self) -> type[DownloadHandlerProtocol]: return _get_dh() -class Https2InvalidDNSId(BaseTestClasses.Https11InvalidDNSId): +class Https2InvalidDNSId(BaseTestClasses.TestHttps11InvalidDNSId): @property def download_handler_cls(self) -> type[DownloadHandlerProtocol]: return _get_dh() -class Https2InvalidDNSPattern(BaseTestClasses.Https11InvalidDNSPattern): +class Https2InvalidDNSPattern(BaseTestClasses.TestHttps11InvalidDNSPattern): @property def download_handler_cls(self) -> type[DownloadHandlerProtocol]: return _get_dh() -class Https2CustomCiphers(BaseTestClasses.Https11CustomCiphers): +class Https2CustomCiphers(BaseTestClasses.TestHttps11CustomCiphers): @property def download_handler_cls(self) -> type[DownloadHandlerProtocol]: return _get_dh() -class Http2MockServerTestCase(BaseTestClasses.Http11MockServerTestCase): +class Http2MockServerTestCase(BaseTestClasses.TestHttp11MockServer): """HTTP 2.0 test case with MockServer""" settings_dict = { @@ -215,7 +214,7 @@ class Http2MockServerTestCase(BaseTestClasses.Http11MockServerTestCase): is_secure = True -class Https2ProxyTestCase(BaseTestClasses.Http11ProxyTestCase): +class Https2ProxyTestCase(BaseTestClasses.TestHttp11Proxy): # only used for HTTPS tests keyfile = "keys/localhost.key" certfile = "keys/localhost.crt" diff --git a/tests/test_exporters.py b/tests/test_exporters.py index 48728e078..f55cb6c97 100644 --- a/tests/test_exporters.py +++ b/tests/test_exporters.py @@ -54,11 +54,11 @@ class CustomFieldDataclass: age: int = dataclasses.field(metadata={"serializer": custom_serializer}) -class BaseItemExporterTest(unittest.TestCase): +class TestBaseItemExporter: item_class: type = MyItem custom_field_item_class: type = CustomFieldItem - def setUp(self): + def setup_method(self): self.i = self.item_class(name="John\xa3", age="22") self.output = BytesIO() self.ie = self._get_exporter() @@ -72,7 +72,7 @@ class BaseItemExporterTest(unittest.TestCase): def _assert_expected_item(self, exported_dict): for k, v in exported_dict.items(): exported_dict[k] = to_unicode(v) - self.assertEqual(self.i, self.item_class(**exported_dict)) + assert self.i == self.item_class(**exported_dict) def _get_nonstring_types_item(self): return { @@ -105,45 +105,40 @@ class BaseItemExporterTest(unittest.TestCase): def test_serialize_field(self): a = ItemAdapter(self.i) res = self.ie.serialize_field(a.get_field_meta("name"), "name", a["name"]) - self.assertEqual(res, "John\xa3") + assert res == "John\xa3" res = self.ie.serialize_field(a.get_field_meta("age"), "age", a["age"]) - self.assertEqual(res, "22") + assert res == "22" def test_fields_to_export(self): ie = self._get_exporter(fields_to_export=["name"]) - self.assertEqual( - list(ie._get_serialized_fields(self.i)), [("name", "John\xa3")] - ) + assert list(ie._get_serialized_fields(self.i)) == [("name", "John\xa3")] ie = self._get_exporter(fields_to_export=["name"], encoding="latin-1") _, name = next(iter(ie._get_serialized_fields(self.i))) assert isinstance(name, str) - self.assertEqual(name, "John\xa3") + assert name == "John\xa3" ie = self._get_exporter(fields_to_export={"name": "名稱"}) - self.assertEqual( - list(ie._get_serialized_fields(self.i)), [("名稱", "John\xa3")] - ) + assert list(ie._get_serialized_fields(self.i)) == [("名稱", "John\xa3")] def test_field_custom_serializer(self): i = self.custom_field_item_class(name="John\xa3", age="22") a = ItemAdapter(i) ie = self._get_exporter() - self.assertEqual( - ie.serialize_field(a.get_field_meta("name"), "name", a["name"]), "John\xa3" - ) - self.assertEqual( - ie.serialize_field(a.get_field_meta("age"), "age", a["age"]), "24" + assert ( + ie.serialize_field(a.get_field_meta("name"), "name", a["name"]) + == "John\xa3" ) + assert ie.serialize_field(a.get_field_meta("age"), "age", a["age"]) == "24" -class BaseItemExporterDataclassTest(BaseItemExporterTest): +class TestBaseItemExporterDataclass(TestBaseItemExporter): item_class = MyDataClass custom_field_item_class = CustomFieldDataclass -class PythonItemExporterTest(BaseItemExporterTest): +class TestPythonItemExporter(TestBaseItemExporter): def _get_exporter(self, **kwargs): return PythonItemExporter(**kwargs) @@ -157,16 +152,13 @@ class PythonItemExporterTest(BaseItemExporterTest): i3 = self.item_class(name="Jesus", age=i2) ie = self._get_exporter() exported = ie.export_item(i3) - self.assertEqual(type(exported), dict) - self.assertEqual( - exported, - { - "age": {"age": {"age": "22", "name": "Joseph"}, "name": "Maria"}, - "name": "Jesus", - }, - ) - self.assertEqual(type(exported["age"]), dict) - self.assertEqual(type(exported["age"]["age"]), dict) + assert isinstance(exported, dict) + assert exported == { + "age": {"age": {"age": "22", "name": "Joseph"}, "name": "Maria"}, + "name": "Jesus", + } + assert isinstance(exported["age"], dict) + assert isinstance(exported["age"]["age"], dict) def test_export_list(self): i1 = self.item_class(name="Joseph", age="22") @@ -174,15 +166,12 @@ class PythonItemExporterTest(BaseItemExporterTest): i3 = self.item_class(name="Jesus", age=[i2]) ie = self._get_exporter() exported = ie.export_item(i3) - self.assertEqual( - exported, - { - "age": [{"age": [{"age": "22", "name": "Joseph"}], "name": "Maria"}], - "name": "Jesus", - }, - ) - self.assertEqual(type(exported["age"][0]), dict) - self.assertEqual(type(exported["age"][0]["age"][0]), dict) + assert exported == { + "age": [{"age": [{"age": "22", "name": "Joseph"}], "name": "Maria"}], + "name": "Jesus", + } + assert isinstance(exported["age"][0], dict) + assert isinstance(exported["age"][0]["age"][0], dict) def test_export_item_dict_list(self): i1 = self.item_class(name="Joseph", age="22") @@ -190,29 +179,26 @@ class PythonItemExporterTest(BaseItemExporterTest): i3 = self.item_class(name="Jesus", age=[i2]) ie = self._get_exporter() exported = ie.export_item(i3) - self.assertEqual( - exported, - { - "age": [{"age": [{"age": "22", "name": "Joseph"}], "name": "Maria"}], - "name": "Jesus", - }, - ) - self.assertEqual(type(exported["age"][0]), dict) - self.assertEqual(type(exported["age"][0]["age"][0]), dict) + assert exported == { + "age": [{"age": [{"age": "22", "name": "Joseph"}], "name": "Maria"}], + "name": "Jesus", + } + assert isinstance(exported["age"][0], dict) + assert isinstance(exported["age"][0]["age"][0], dict) def test_nonstring_types_item(self): item = self._get_nonstring_types_item() ie = self._get_exporter() exported = ie.export_item(item) - self.assertEqual(exported, item) + assert exported == item -class PythonItemExporterDataclassTest(PythonItemExporterTest): +class TestPythonItemExporterDataclass(TestPythonItemExporter): item_class = MyDataClass custom_field_item_class = CustomFieldDataclass -class PprintItemExporterTest(BaseItemExporterTest): +class TestPprintItemExporter(TestBaseItemExporter): def _get_exporter(self, **kwargs): return PprintItemExporter(self.output, **kwargs) @@ -222,12 +208,12 @@ class PprintItemExporterTest(BaseItemExporterTest): ) -class PprintItemExporterDataclassTest(PprintItemExporterTest): +class TestPprintItemExporterDataclass(TestPprintItemExporter): item_class = MyDataClass custom_field_item_class = CustomFieldDataclass -class PickleItemExporterTest(BaseItemExporterTest): +class TestPickleItemExporter(TestBaseItemExporter): def _get_exporter(self, **kwargs): return PickleItemExporter(self.output, **kwargs) @@ -245,8 +231,8 @@ class PickleItemExporterTest(BaseItemExporterTest): ie.finish_exporting() del ie # See the first “del self.ie” in this file for context. f.seek(0) - self.assertEqual(self.item_class(**pickle.load(f)), i1) - self.assertEqual(self.item_class(**pickle.load(f)), i2) + assert self.item_class(**pickle.load(f)) == i1 + assert self.item_class(**pickle.load(f)) == i2 def test_nonstring_types_item(self): item = self._get_nonstring_types_item() @@ -256,15 +242,15 @@ class PickleItemExporterTest(BaseItemExporterTest): ie.export_item(item) ie.finish_exporting() del ie # See the first “del self.ie” in this file for context. - self.assertEqual(pickle.loads(fp.getvalue()), item) + assert pickle.loads(fp.getvalue()) == item -class PickleItemExporterDataclassTest(PickleItemExporterTest): +class TestPickleItemExporterDataclass(TestPickleItemExporter): item_class = MyDataClass custom_field_item_class = CustomFieldDataclass -class MarshalItemExporterTest(BaseItemExporterTest): +class TestMarshalItemExporter(TestBaseItemExporter): def _get_exporter(self, **kwargs): self.output = tempfile.TemporaryFile() return MarshalItemExporter(self.output, **kwargs) @@ -283,15 +269,15 @@ class MarshalItemExporterTest(BaseItemExporterTest): ie.finish_exporting() del ie # See the first “del self.ie” in this file for context. fp.seek(0) - self.assertEqual(marshal.load(fp), item) + assert marshal.load(fp) == item -class MarshalItemExporterDataclassTest(MarshalItemExporterTest): +class TestMarshalItemExporterDataclass(TestMarshalItemExporter): item_class = MyDataClass custom_field_item_class = CustomFieldDataclass -class CsvItemExporterTest(BaseItemExporterTest): +class TestCsvItemExporter(TestBaseItemExporter): def _get_exporter(self, **kwargs): self.output = tempfile.TemporaryFile() return CsvItemExporter(self.output, **kwargs) @@ -303,7 +289,7 @@ class CsvItemExporterTest(BaseItemExporterTest): for line in to_unicode(csv).splitlines(True) ] - return self.assertEqual(split_csv(first), split_csv(second), msg=msg) + assert split_csv(first) == split_csv(second), msg def _check_output(self): self.output.seek(0) @@ -406,12 +392,12 @@ class CsvItemExporterTest(BaseItemExporterTest): ) -class CsvItemExporterDataclassTest(CsvItemExporterTest): +class TestCsvItemExporterDataclass(TestCsvItemExporter): item_class = MyDataClass custom_field_item_class = CustomFieldDataclass -class XmlItemExporterTest(BaseItemExporterTest): +class TestXmlItemExporter(TestBaseItemExporter): def _get_exporter(self, **kwargs): return XmlItemExporter(self.output, **kwargs) @@ -426,7 +412,7 @@ class XmlItemExporterTest(BaseItemExporterTest): doc = lxml.etree.fromstring(xmlcontent) return xmltuple(doc) - return self.assertEqual(xmlsplit(first), xmlsplit(second), msg) + assert xmlsplit(first) == xmlsplit(second), msg def assertExportResult(self, item, expected_value): fp = BytesIO() @@ -517,12 +503,12 @@ class XmlItemExporterTest(BaseItemExporterTest): ) -class XmlItemExporterDataclassTest(XmlItemExporterTest): +class TestXmlItemExporterDataclass(TestXmlItemExporter): item_class = MyDataClass custom_field_item_class = CustomFieldDataclass -class JsonLinesItemExporterTest(BaseItemExporterTest): +class TestJsonLinesItemExporter(TestBaseItemExporter): _expected_nested: Any = { "name": "Jesus", "age": {"name": "Maria", "age": {"name": "Joseph", "age": "22"}}, @@ -533,7 +519,7 @@ class JsonLinesItemExporterTest(BaseItemExporterTest): def _check_output(self): exported = json.loads(to_unicode(self.output.getvalue().strip())) - self.assertEqual(exported, ItemAdapter(self.i).asdict()) + assert exported == ItemAdapter(self.i).asdict() def test_nested_item(self): i1 = self.item_class(name="Joseph", age="22") @@ -544,7 +530,7 @@ class JsonLinesItemExporterTest(BaseItemExporterTest): self.ie.finish_exporting() del self.ie # See the first “del self.ie” in this file for context. exported = json.loads(to_unicode(self.output.getvalue())) - self.assertEqual(exported, self._expected_nested) + assert exported == self._expected_nested def test_extra_keywords(self): self.ie = self._get_exporter(sort_keys=True) @@ -561,23 +547,23 @@ class JsonLinesItemExporterTest(BaseItemExporterTest): del self.ie # See the first “del self.ie” in this file for context. exported = json.loads(to_unicode(self.output.getvalue())) item["time"] = str(item["time"]) - self.assertEqual(exported, item) + assert exported == item -class JsonLinesItemExporterDataclassTest(JsonLinesItemExporterTest): +class TestJsonLinesItemExporterDataclass(TestJsonLinesItemExporter): item_class = MyDataClass custom_field_item_class = CustomFieldDataclass -class JsonItemExporterTest(JsonLinesItemExporterTest): - _expected_nested = [JsonLinesItemExporterTest._expected_nested] +class TestJsonItemExporter(TestJsonLinesItemExporter): + _expected_nested = [TestJsonLinesItemExporter._expected_nested] def _get_exporter(self, **kwargs): return JsonItemExporter(self.output, **kwargs) def _check_output(self): exported = json.loads(to_unicode(self.output.getvalue().strip())) - self.assertEqual(exported, [ItemAdapter(self.i).asdict()]) + assert exported == [ItemAdapter(self.i).asdict()] def assertTwoItemsExported(self, item): self.ie.start_exporting() @@ -586,9 +572,7 @@ class JsonItemExporterTest(JsonLinesItemExporterTest): self.ie.finish_exporting() del self.ie # See the first “del self.ie” in this file for context. exported = json.loads(to_unicode(self.output.getvalue())) - self.assertEqual( - exported, [ItemAdapter(item).asdict(), ItemAdapter(item).asdict()] - ) + assert exported == [ItemAdapter(item).asdict(), ItemAdapter(item).asdict()] def test_two_items(self): self.assertTwoItemsExported(self.i) @@ -609,7 +593,7 @@ class JsonItemExporterTest(JsonLinesItemExporterTest): self.ie.export_item(i3) self.ie.finish_exporting() exported = json.loads(to_unicode(self.output.getvalue())) - self.assertEqual(exported, [dict(i1), dict(i3)]) + assert exported == [dict(i1), dict(i3)] def test_nested_item(self): i1 = self.item_class(name="Joseph\xa3", age="22") @@ -624,7 +608,7 @@ class JsonItemExporterTest(JsonLinesItemExporterTest): "name": "Jesus", "age": {"name": "Maria", "age": ItemAdapter(i1).asdict()}, } - self.assertEqual(exported, [expected]) + assert exported == [expected] def test_nested_dict_item(self): i1 = {"name": "Joseph\xa3", "age": "22"} @@ -636,7 +620,7 @@ class JsonItemExporterTest(JsonLinesItemExporterTest): del self.ie # See the first “del self.ie” in this file for context. exported = json.loads(to_unicode(self.output.getvalue())) expected = {"name": "Jesus", "age": {"name": "Maria", "age": i1}} - self.assertEqual(exported, [expected]) + assert exported == [expected] def test_nonstring_types_item(self): item = self._get_nonstring_types_item() @@ -646,10 +630,10 @@ class JsonItemExporterTest(JsonLinesItemExporterTest): del self.ie # See the first “del self.ie” in this file for context. exported = json.loads(to_unicode(self.output.getvalue())) item["time"] = str(item["time"]) - self.assertEqual(exported, [item]) + assert exported == [item] -class JsonItemExporterToBytesTest(BaseItemExporterTest): +class TestJsonItemExporterToBytes(TestBaseItemExporter): def _get_exporter(self, **kwargs): kwargs["encoding"] = "latin" return JsonItemExporter(self.output, **kwargs) @@ -665,18 +649,18 @@ class JsonItemExporterToBytesTest(BaseItemExporterTest): self.ie.export_item(i3) self.ie.finish_exporting() exported = json.loads(to_unicode(self.output.getvalue(), encoding="latin")) - self.assertEqual(exported, [dict(i1), dict(i3)]) + assert exported == [dict(i1), dict(i3)] -class JsonItemExporterDataclassTest(JsonItemExporterTest): +class TestJsonItemExporterDataclass(TestJsonItemExporter): item_class = MyDataClass custom_field_item_class = CustomFieldDataclass -class CustomExporterItemTest(unittest.TestCase): +class TestCustomExporterItem: item_class: type = MyItem - def setUp(self): + def setup_method(self): if self.item_class is None: raise unittest.SkipTest("item class is None") @@ -691,17 +675,13 @@ class CustomExporterItemTest(unittest.TestCase): a = ItemAdapter(i) ie = CustomItemExporter() - self.assertEqual( - ie.serialize_field(a.get_field_meta("name"), "name", a["name"]), "John" - ) - self.assertEqual( - ie.serialize_field(a.get_field_meta("age"), "age", a["age"]), "23" - ) + assert ie.serialize_field(a.get_field_meta("name"), "name", a["name"]) == "John" + assert ie.serialize_field(a.get_field_meta("age"), "age", a["age"]) == "23" i2 = {"name": "John", "age": "22"} - self.assertEqual(ie.serialize_field({}, "name", i2["name"]), "John") - self.assertEqual(ie.serialize_field({}, "age", i2["age"]), "23") + assert ie.serialize_field({}, "name", i2["name"]) == "John" + assert ie.serialize_field({}, "age", i2["age"]) == "23" -class CustomExporterDataclassTest(CustomExporterItemTest): +class TestCustomExporterDataclass(TestCustomExporterItem): item_class = MyDataClass diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py index 8e008ab98..44cd10ec3 100644 --- a/tests/test_feedexport.py +++ b/tests/test_feedexport.py @@ -88,7 +88,7 @@ def mock_google_cloud_storage() -> tuple[Any, Any, Any]: return (client_mock, bucket_mock, blob_mock) -class FileFeedStorageTest(unittest.TestCase): +class TestFileFeedStorage(unittest.TestCase): def test_store_file_uri(self): path = Path(self.mktemp()).resolve() uri = path_to_file_uri(str(path)) @@ -137,14 +137,14 @@ class FileFeedStorageTest(unittest.TestCase): file = storage.open(spider) file.write(b"content") yield storage.store(file) - self.assertTrue(path.exists()) + assert path.exists() try: - self.assertEqual(path.read_bytes(), expected_content) + assert path.read_bytes() == expected_content finally: path.unlink() -class FTPFeedStorageTest(unittest.TestCase): +class TestFTPFeedStorage(unittest.TestCase): def get_test_spider(self, settings=None): class TestSpider(scrapy.Spider): name = "test_spider" @@ -166,9 +166,9 @@ class FTPFeedStorageTest(unittest.TestCase): return storage.store(file) def _assert_stored(self, path: Path, content): - self.assertTrue(path.exists()) + assert path.exists() try: - self.assertEqual(path.read_bytes(), content) + assert path.read_bytes() == content finally: path.unlink() @@ -216,10 +216,10 @@ class FTPFeedStorageTest(unittest.TestCase): # RFC3986: 3.2.1. User Information pw_quoted = quote(string.punctuation, safe="") st = FTPFeedStorage(f"ftp://foo:{pw_quoted}@example.com/some_path", {}) - self.assertEqual(st.password, string.punctuation) + assert st.password == string.punctuation -class BlockingFeedStorageTest(unittest.TestCase): +class TestBlockingFeedStorage: def get_test_spider(self, settings=None): class TestSpider(scrapy.Spider): name = "test_spider" @@ -232,7 +232,7 @@ class BlockingFeedStorageTest(unittest.TestCase): tmp = b.open(self.get_test_spider()) tmp_path = Path(tmp.name).parent - self.assertEqual(str(tmp_path), tempfile.gettempdir()) + assert str(tmp_path) == tempfile.gettempdir() def test_temp_file(self): b = BlockingFeedStorage() @@ -241,7 +241,7 @@ class BlockingFeedStorageTest(unittest.TestCase): spider = self.get_test_spider({"FEED_TEMPDIR": str(tests_path)}) tmp = b.open(spider) tmp_path = Path(tmp.name).parent - self.assertEqual(tmp_path, tests_path) + assert tmp_path == tests_path def test_invalid_folder(self): b = BlockingFeedStorage() @@ -255,7 +255,7 @@ class BlockingFeedStorageTest(unittest.TestCase): @pytest.mark.requires_boto3 -class S3FeedStorageTest(unittest.TestCase): +class TestS3FeedStorage(unittest.TestCase): def test_parse_credentials(self): aws_credentials = { "AWS_ACCESS_KEY_ID": "settings_key", @@ -268,9 +268,9 @@ class S3FeedStorageTest(unittest.TestCase): crawler, "s3://mybucket/export.csv", ) - self.assertEqual(storage.access_key, "settings_key") - self.assertEqual(storage.secret_key, "settings_secret") - self.assertEqual(storage.session_token, "settings_token") + assert storage.access_key == "settings_key" + assert storage.secret_key == "settings_secret" + assert storage.session_token == "settings_token" # Instantiate directly storage = S3FeedStorage( "s3://mybucket/export.csv", @@ -278,17 +278,17 @@ class S3FeedStorageTest(unittest.TestCase): aws_credentials["AWS_SECRET_ACCESS_KEY"], session_token=aws_credentials["AWS_SESSION_TOKEN"], ) - self.assertEqual(storage.access_key, "settings_key") - self.assertEqual(storage.secret_key, "settings_secret") - self.assertEqual(storage.session_token, "settings_token") + assert storage.access_key == "settings_key" + assert storage.secret_key == "settings_secret" + assert storage.session_token == "settings_token" # URI priority > settings priority storage = S3FeedStorage( "s3://uri_key:uri_secret@mybucket/export.csv", aws_credentials["AWS_ACCESS_KEY_ID"], aws_credentials["AWS_SECRET_ACCESS_KEY"], ) - self.assertEqual(storage.access_key, "uri_key") - self.assertEqual(storage.secret_key, "uri_secret") + assert storage.access_key == "uri_key" + assert storage.secret_key == "uri_secret" @defer.inlineCallbacks def test_store(self): @@ -306,24 +306,23 @@ class S3FeedStorageTest(unittest.TestCase): storage.s3_client = mock.MagicMock() yield storage.store(file) - self.assertEqual( - storage.s3_client.upload_fileobj.call_args, - mock.call(Bucket=bucket, Key=key, Fileobj=file), + assert storage.s3_client.upload_fileobj.call_args == mock.call( + Bucket=bucket, Key=key, Fileobj=file ) def test_init_without_acl(self): storage = S3FeedStorage("s3://mybucket/export.csv", "access_key", "secret_key") - self.assertEqual(storage.access_key, "access_key") - self.assertEqual(storage.secret_key, "secret_key") - self.assertEqual(storage.acl, None) + assert storage.access_key == "access_key" + assert storage.secret_key == "secret_key" + assert storage.acl is None def test_init_with_acl(self): storage = S3FeedStorage( "s3://mybucket/export.csv", "access_key", "secret_key", "custom-acl" ) - self.assertEqual(storage.access_key, "access_key") - self.assertEqual(storage.secret_key, "secret_key") - self.assertEqual(storage.acl, "custom-acl") + assert storage.access_key == "access_key" + assert storage.secret_key == "secret_key" + assert storage.acl == "custom-acl" def test_init_with_endpoint_url(self): storage = S3FeedStorage( @@ -332,9 +331,9 @@ class S3FeedStorageTest(unittest.TestCase): "secret_key", endpoint_url="https://example.com", ) - self.assertEqual(storage.access_key, "access_key") - self.assertEqual(storage.secret_key, "secret_key") - self.assertEqual(storage.endpoint_url, "https://example.com") + assert storage.access_key == "access_key" + assert storage.secret_key == "secret_key" + assert storage.endpoint_url == "https://example.com" def test_init_with_region_name(self): region_name = "ap-east-1" @@ -344,10 +343,10 @@ class S3FeedStorageTest(unittest.TestCase): "secret_key", region_name=region_name, ) - self.assertEqual(storage.access_key, "access_key") - self.assertEqual(storage.secret_key, "secret_key") - self.assertEqual(storage.region_name, region_name) - self.assertEqual(storage.s3_client._client_config.region_name, region_name) + assert storage.access_key == "access_key" + assert storage.secret_key == "secret_key" + assert storage.region_name == region_name + assert storage.s3_client._client_config.region_name == region_name def test_from_crawler_without_acl(self): settings = { @@ -359,9 +358,9 @@ class S3FeedStorageTest(unittest.TestCase): crawler, "s3://mybucket/export.csv", ) - self.assertEqual(storage.access_key, "access_key") - self.assertEqual(storage.secret_key, "secret_key") - self.assertEqual(storage.acl, None) + assert storage.access_key == "access_key" + assert storage.secret_key == "secret_key" + assert storage.acl is None def test_without_endpoint_url(self): settings = { @@ -373,9 +372,9 @@ class S3FeedStorageTest(unittest.TestCase): crawler, "s3://mybucket/export.csv", ) - self.assertEqual(storage.access_key, "access_key") - self.assertEqual(storage.secret_key, "secret_key") - self.assertEqual(storage.endpoint_url, None) + assert storage.access_key == "access_key" + assert storage.secret_key == "secret_key" + assert storage.endpoint_url is None def test_without_region_name(self): settings = { @@ -387,9 +386,9 @@ class S3FeedStorageTest(unittest.TestCase): crawler, "s3://mybucket/export.csv", ) - self.assertEqual(storage.access_key, "access_key") - self.assertEqual(storage.secret_key, "secret_key") - self.assertEqual(storage.s3_client._client_config.region_name, "us-east-1") + assert storage.access_key == "access_key" + assert storage.secret_key == "secret_key" + assert storage.s3_client._client_config.region_name == "us-east-1" def test_from_crawler_with_acl(self): settings = { @@ -402,9 +401,9 @@ class S3FeedStorageTest(unittest.TestCase): crawler, "s3://mybucket/export.csv", ) - self.assertEqual(storage.access_key, "access_key") - self.assertEqual(storage.secret_key, "secret_key") - self.assertEqual(storage.acl, "custom-acl") + assert storage.access_key == "access_key" + assert storage.secret_key == "secret_key" + assert storage.acl == "custom-acl" def test_from_crawler_with_endpoint_url(self): settings = { @@ -414,9 +413,9 @@ class S3FeedStorageTest(unittest.TestCase): } crawler = get_crawler(settings_dict=settings) storage = S3FeedStorage.from_crawler(crawler, "s3://mybucket/export.csv") - self.assertEqual(storage.access_key, "access_key") - self.assertEqual(storage.secret_key, "secret_key") - self.assertEqual(storage.endpoint_url, "https://example.com") + assert storage.access_key == "access_key" + assert storage.secret_key == "secret_key" + assert storage.endpoint_url == "https://example.com" def test_from_crawler_with_region_name(self): region_name = "ap-east-1" @@ -427,10 +426,10 @@ class S3FeedStorageTest(unittest.TestCase): } crawler = get_crawler(settings_dict=settings) storage = S3FeedStorage.from_crawler(crawler, "s3://mybucket/export.csv") - self.assertEqual(storage.access_key, "access_key") - self.assertEqual(storage.secret_key, "secret_key") - self.assertEqual(storage.region_name, region_name) - self.assertEqual(storage.s3_client._client_config.region_name, region_name) + assert storage.access_key == "access_key" + assert storage.secret_key == "secret_key" + assert storage.region_name == region_name + assert storage.s3_client._client_config.region_name == region_name @defer.inlineCallbacks def test_store_without_acl(self): @@ -439,9 +438,9 @@ class S3FeedStorageTest(unittest.TestCase): "access_key", "secret_key", ) - self.assertEqual(storage.access_key, "access_key") - self.assertEqual(storage.secret_key, "secret_key") - self.assertEqual(storage.acl, None) + assert storage.access_key == "access_key" + assert storage.secret_key == "secret_key" + assert storage.acl is None storage.s3_client = mock.MagicMock() yield storage.store(BytesIO(b"test file")) @@ -450,28 +449,28 @@ class S3FeedStorageTest(unittest.TestCase): .get("ExtraArgs", {}) .get("ACL") ) - self.assertIsNone(acl) + assert acl is None @defer.inlineCallbacks def test_store_with_acl(self): storage = S3FeedStorage( "s3://mybucket/export.csv", "access_key", "secret_key", "custom-acl" ) - self.assertEqual(storage.access_key, "access_key") - self.assertEqual(storage.secret_key, "secret_key") - self.assertEqual(storage.acl, "custom-acl") + assert storage.access_key == "access_key" + assert storage.secret_key == "secret_key" + assert storage.acl == "custom-acl" storage.s3_client = mock.MagicMock() yield storage.store(BytesIO(b"test file")) acl = storage.s3_client.upload_fileobj.call_args[1]["ExtraArgs"]["ACL"] - self.assertEqual(acl, "custom-acl") + assert acl == "custom-acl" def test_overwrite_default(self): with LogCapture() as log: S3FeedStorage( "s3://mybucket/export.csv", "access_key", "secret_key", "custom-acl" ) - self.assertNotIn("S3 does not support appending to files", str(log)) + assert "S3 does not support appending to files" not in str(log) def test_overwrite_false(self): with LogCapture() as log: @@ -482,10 +481,10 @@ class S3FeedStorageTest(unittest.TestCase): "custom-acl", feed_options={"overwrite": False}, ) - self.assertIn("S3 does not support appending to files", str(log)) + assert "S3 does not support appending to files" in str(log) -class GCSFeedStorageTest(unittest.TestCase): +class TestGCSFeedStorage(unittest.TestCase): def test_parse_settings(self): try: from google.cloud.storage import Client # noqa: F401 @@ -543,7 +542,7 @@ class GCSFeedStorageTest(unittest.TestCase): def test_overwrite_default(self): with LogCapture() as log: GCSFeedStorage("gs://mybucket/export.csv", "myproject-123", "custom-acl") - self.assertNotIn("GCS does not support appending to files", str(log)) + assert "GCS does not support appending to files" not in str(log) def test_overwrite_false(self): with LogCapture() as log: @@ -553,10 +552,10 @@ class GCSFeedStorageTest(unittest.TestCase): "custom-acl", feed_options={"overwrite": False}, ) - self.assertIn("GCS does not support appending to files", str(log)) + assert "GCS does not support appending to files" in str(log) -class StdoutFeedStorageTest(unittest.TestCase): +class TestStdoutFeedStorage(unittest.TestCase): @defer.inlineCallbacks def test_store(self): out = BytesIO() @@ -564,20 +563,21 @@ class StdoutFeedStorageTest(unittest.TestCase): file = storage.open(scrapy.Spider("default")) file.write(b"content") yield storage.store(file) - self.assertEqual(out.getvalue(), b"content") + assert out.getvalue() == b"content" def test_overwrite_default(self): with LogCapture() as log: StdoutFeedStorage("stdout:") - self.assertNotIn( - "Standard output (stdout) storage does not support overwriting", str(log) + assert ( + "Standard output (stdout) storage does not support overwriting" + not in str(log) ) def test_overwrite_true(self): with LogCapture() as log: StdoutFeedStorage("stdout:", feed_options={"overwrite": True}) - self.assertIn( - "Standard output (stdout) storage does not support overwriting", str(log) + assert "Standard output (stdout) storage does not support overwriting" in str( + log ) @@ -639,7 +639,7 @@ class LogOnStoreFileStorage: file.close() -class FeedExportTestBase(ABC, unittest.TestCase): +class TestFeedExportBase(ABC, unittest.TestCase): class MyItem(scrapy.Item): foo = scrapy.Field() egg = scrapy.Field() @@ -769,7 +769,7 @@ class ExceptionJsonItemExporter(JsonItemExporter): raise RuntimeError("foo") -class FeedExportTest(FeedExportTestBase): +class TestFeedExport(TestFeedExportBase): @defer.inlineCallbacks def run_and_export(self, spider_cls, settings): """Run spider with specified settings; return exported data.""" @@ -812,8 +812,8 @@ class FeedExportTest(FeedExportTestBase): ) data = yield self.exported_data(items, settings) reader = csv.DictReader(to_unicode(data["csv"]).splitlines()) - self.assertEqual(reader.fieldnames, list(header)) - self.assertEqual(rows, list(reader)) + assert reader.fieldnames == list(header) + assert rows == list(reader) @defer.inlineCallbacks def assertExportedJsonLines(self, items, rows, settings=None): @@ -828,7 +828,7 @@ class FeedExportTest(FeedExportTestBase): data = yield self.exported_data(items, settings) parsed = [json.loads(to_unicode(line)) for line in data["jl"].splitlines()] rows = [{k: v for k, v in row.items() if v} for row in rows] - self.assertEqual(rows, parsed) + assert rows == parsed @defer.inlineCallbacks def assertExportedXml(self, items, rows, settings=None): @@ -844,7 +844,7 @@ class FeedExportTest(FeedExportTestBase): rows = [{k: v for k, v in row.items() if v} for row in rows] root = lxml.etree.fromstring(data["xml"]) got_rows = [{e.tag: e.text for e in it} for it in root.findall("item")] - self.assertEqual(rows, got_rows) + assert rows == got_rows @defer.inlineCallbacks def assertExportedMultiple(self, items, rows, settings=None): @@ -862,10 +862,10 @@ class FeedExportTest(FeedExportTestBase): # XML root = lxml.etree.fromstring(data["xml"]) xml_rows = [{e.tag: e.text for e in it} for it in root.findall("item")] - self.assertEqual(rows, xml_rows) + assert rows == xml_rows # JSON json_rows = json.loads(to_unicode(data["json"])) - self.assertEqual(rows, json_rows) + assert rows == json_rows @defer.inlineCallbacks def assertExportedPickle(self, items, rows, settings=None): @@ -882,7 +882,7 @@ class FeedExportTest(FeedExportTestBase): import pickle result = self._load_until_eof(data["pickle"], load_func=pickle.load) - self.assertEqual(expected, result) + assert result == expected @defer.inlineCallbacks def assertExportedMarshal(self, items, rows, settings=None): @@ -899,7 +899,7 @@ class FeedExportTest(FeedExportTestBase): import marshal result = self._load_until_eof(data["marshal"], load_func=marshal.load) - self.assertEqual(expected, result) + assert result == expected @defer.inlineCallbacks def test_stats_file_success(self): @@ -912,12 +912,8 @@ class FeedExportTest(FeedExportTestBase): } crawler = get_crawler(ItemSpider, settings) yield crawler.crawl(mockserver=self.mockserver) - self.assertIn( - "feedexport/success_count/FileFeedStorage", crawler.stats.get_stats() - ) - self.assertEqual( - crawler.stats.get_value("feedexport/success_count/FileFeedStorage"), 1 - ) + assert "feedexport/success_count/FileFeedStorage" in crawler.stats.get_stats() + assert crawler.stats.get_value("feedexport/success_count/FileFeedStorage") == 1 @defer.inlineCallbacks def test_stats_file_failed(self): @@ -934,12 +930,8 @@ class FeedExportTest(FeedExportTestBase): side_effect=KeyError("foo"), ): yield crawler.crawl(mockserver=self.mockserver) - self.assertIn( - "feedexport/failed_count/FileFeedStorage", crawler.stats.get_stats() - ) - self.assertEqual( - crawler.stats.get_value("feedexport/failed_count/FileFeedStorage"), 1 - ) + assert "feedexport/failed_count/FileFeedStorage" in crawler.stats.get_stats() + assert crawler.stats.get_value("feedexport/failed_count/FileFeedStorage") == 1 @defer.inlineCallbacks def test_stats_multiple_file(self): @@ -956,17 +948,11 @@ class FeedExportTest(FeedExportTestBase): crawler = get_crawler(ItemSpider, settings) with mock.patch.object(S3FeedStorage, "store"): yield crawler.crawl(mockserver=self.mockserver) - self.assertIn( - "feedexport/success_count/FileFeedStorage", crawler.stats.get_stats() - ) - self.assertIn( - "feedexport/success_count/StdoutFeedStorage", crawler.stats.get_stats() - ) - self.assertEqual( - crawler.stats.get_value("feedexport/success_count/FileFeedStorage"), 1 - ) - self.assertEqual( - crawler.stats.get_value("feedexport/success_count/StdoutFeedStorage"), 1 + assert "feedexport/success_count/FileFeedStorage" in crawler.stats.get_stats() + assert "feedexport/success_count/StdoutFeedStorage" in crawler.stats.get_stats() + assert crawler.stats.get_value("feedexport/success_count/FileFeedStorage") == 1 + assert ( + crawler.stats.get_value("feedexport/success_count/StdoutFeedStorage") == 1 ) @defer.inlineCallbacks @@ -993,7 +979,7 @@ class FeedExportTest(FeedExportTestBase): "FEED_STORE_EMPTY": False, } data = yield self.exported_no_data(settings) - self.assertEqual(None, data[fmt]) + assert data[fmt] is None @defer.inlineCallbacks def test_start_finish_exporting_items(self): @@ -1012,8 +998,8 @@ class FeedExportTest(FeedExportTestBase): with mock.patch("scrapy.extensions.feedexport.FeedSlot", InstrumentedFeedSlot): _ = yield self.exported_data(items, settings) - self.assertFalse(listener.start_without_finish) - self.assertFalse(listener.finish_without_start) + assert not listener.start_without_finish + assert not listener.finish_without_start @defer.inlineCallbacks def test_start_finish_exporting_no_items(self): @@ -1030,8 +1016,8 @@ class FeedExportTest(FeedExportTestBase): with mock.patch("scrapy.extensions.feedexport.FeedSlot", InstrumentedFeedSlot): _ = yield self.exported_data(items, settings) - self.assertFalse(listener.start_without_finish) - self.assertFalse(listener.finish_without_start) + assert not listener.start_without_finish + assert not listener.finish_without_start @defer.inlineCallbacks def test_start_finish_exporting_items_exception(self): @@ -1051,8 +1037,8 @@ class FeedExportTest(FeedExportTestBase): with mock.patch("scrapy.extensions.feedexport.FeedSlot", InstrumentedFeedSlot): _ = yield self.exported_data(items, settings) - self.assertFalse(listener.start_without_finish) - self.assertFalse(listener.finish_without_start) + assert not listener.start_without_finish + assert not listener.finish_without_start @defer.inlineCallbacks def test_start_finish_exporting_no_items_exception(self): @@ -1070,8 +1056,8 @@ class FeedExportTest(FeedExportTestBase): with mock.patch("scrapy.extensions.feedexport.FeedSlot", InstrumentedFeedSlot): _ = yield self.exported_data(items, settings) - self.assertFalse(listener.start_without_finish) - self.assertFalse(listener.finish_without_start) + assert not listener.start_without_finish + assert not listener.finish_without_start @defer.inlineCallbacks def test_export_no_items_store_empty(self): @@ -1091,7 +1077,7 @@ class FeedExportTest(FeedExportTestBase): "FEED_EXPORT_INDENT": None, } data = yield self.exported_no_data(settings) - self.assertEqual(expctd, data[fmt]) + assert expctd == data[fmt] @defer.inlineCallbacks def test_export_no_items_multiple_feeds(self): @@ -1109,7 +1095,7 @@ class FeedExportTest(FeedExportTestBase): with LogCapture() as log: yield self.exported_no_data(settings) - self.assertEqual(str(log).count("Storage.store is called"), 0) + assert str(log).count("Storage.store is called") == 0 @defer.inlineCallbacks def test_export_multiple_item_classes(self): @@ -1238,7 +1224,7 @@ class FeedExportTest(FeedExportTestBase): data = yield self.exported_data(items, settings) for fmt, expected in formats.items(): - self.assertEqual(expected, data[fmt]) + assert data[fmt] == expected @defer.inlineCallbacks def test_export_based_on_custom_filters(self): @@ -1297,7 +1283,7 @@ class FeedExportTest(FeedExportTestBase): data = yield self.exported_data(items, settings) for fmt, expected in formats.items(): - self.assertEqual(expected, data[fmt]) + assert data[fmt] == expected @defer.inlineCallbacks def test_export_dicts(self): @@ -1371,7 +1357,7 @@ class FeedExportTest(FeedExportTestBase): "FEED_EXPORT_INDENT": None, } data = yield self.exported_data(items, settings) - self.assertEqual(expected, data[fmt]) + assert data[fmt] == expected formats = { "json": b'[{"foo": "Test\xd6"}]', @@ -1392,7 +1378,7 @@ class FeedExportTest(FeedExportTestBase): "FEED_EXPORT_ENCODING": "latin-1", } data = yield self.exported_data(items, settings) - self.assertEqual(expected, data[fmt]) + assert data[fmt] == expected @defer.inlineCallbacks def test_export_multiple_configs(self): @@ -1432,7 +1418,7 @@ class FeedExportTest(FeedExportTestBase): data = yield self.exported_data(items, settings) for fmt, expected in formats.items(): - self.assertEqual(expected, data[fmt]) + assert data[fmt] == expected @defer.inlineCallbacks def test_export_indentation(self): @@ -1588,7 +1574,7 @@ class FeedExportTest(FeedExportTestBase): }, } data = yield self.exported_data(items, settings) - self.assertEqual(row["expected"], data[row["format"]]) + assert data[row["format"]] == row["expected"] @defer.inlineCallbacks def test_init_exporters_storages_with_crawler(self): @@ -1600,8 +1586,8 @@ class FeedExportTest(FeedExportTestBase): }, } yield self.exported_data(items=[], settings=settings) - self.assertTrue(FromCrawlerCsvItemExporter.init_with_crawler) - self.assertTrue(FromCrawlerFileFeedStorage.init_with_crawler) + assert FromCrawlerCsvItemExporter.init_with_crawler + assert FromCrawlerFileFeedStorage.init_with_crawler @defer.inlineCallbacks def test_str_uri(self): @@ -1610,7 +1596,7 @@ class FeedExportTest(FeedExportTestBase): "FEEDS": {str(self._random_temp_filename()): {"format": "csv"}}, } data = yield self.exported_no_data(settings) - self.assertEqual(data["csv"], b"") + assert data["csv"] == b"" @defer.inlineCallbacks def test_multiple_feeds_success_logs_blocking_feed_storage(self): @@ -1631,7 +1617,7 @@ class FeedExportTest(FeedExportTestBase): print(log) for fmt in ["json", "xml", "csv"]: - self.assertIn(f"Stored {fmt} feed (2 items)", str(log)) + assert f"Stored {fmt} feed (2 items)" in str(log) @defer.inlineCallbacks def test_multiple_feeds_failing_logs_blocking_feed_storage(self): @@ -1652,7 +1638,7 @@ class FeedExportTest(FeedExportTestBase): print(log) for fmt in ["json", "xml", "csv"]: - self.assertIn(f"Error storing {fmt} feed (2 items)", str(log)) + assert f"Error storing {fmt} feed (2 items)" in str(log) @defer.inlineCallbacks def test_extend_kwargs(self): @@ -1689,7 +1675,7 @@ class FeedExportTest(FeedExportTestBase): } data = yield self.exported_data(items, settings) - self.assertEqual(row["expected"], data[feed_options["format"]]) + assert data[feed_options["format"]] == row["expected"] @defer.inlineCallbacks def test_storage_file_no_postprocessing(self): @@ -1711,7 +1697,7 @@ class FeedExportTest(FeedExportTestBase): "FEED_STORAGES": {"file": Storage}, } yield self.exported_no_data(settings) - self.assertIs(Storage.open_file, Storage.store_file) + assert Storage.open_file is Storage.store_file @defer.inlineCallbacks def test_storage_file_postprocessing(self): @@ -1741,11 +1727,11 @@ class FeedExportTest(FeedExportTestBase): "FEED_STORAGES": {"file": Storage}, } yield self.exported_no_data(settings) - self.assertIs(Storage.open_file, Storage.store_file) - self.assertFalse(Storage.file_was_closed) + assert Storage.open_file is Storage.store_file + assert not Storage.file_was_closed -class FeedPostProcessedExportsTest(FeedExportTestBase): +class TestFeedPostProcessedExports(TestFeedExportBase): items = [{"foo": "bar"}] expected = b"foo\r\nbar\r\n" @@ -1827,7 +1813,7 @@ class FeedPostProcessedExportsTest(FeedExportTestBase): try: gzip.decompress(data[filename]) except OSError: - self.fail("Received invalid gzip data.") + pytest.fail("Received invalid gzip data.") @defer.inlineCallbacks def test_gzip_plugin_compresslevel(self): @@ -1863,8 +1849,8 @@ class FeedPostProcessedExportsTest(FeedExportTestBase): for filename, compressed in filename_to_compressed.items(): result = gzip.decompress(data[filename]) - self.assertEqual(compressed, data[filename]) - self.assertEqual(self.expected, result) + assert compressed == data[filename] + assert result == self.expected @defer.inlineCallbacks def test_gzip_plugin_mtime(self): @@ -1898,8 +1884,8 @@ class FeedPostProcessedExportsTest(FeedExportTestBase): for filename, compressed in filename_to_compressed.items(): result = gzip.decompress(data[filename]) - self.assertEqual(compressed, data[filename]) - self.assertEqual(self.expected, result) + assert compressed == data[filename] + assert result == self.expected @defer.inlineCallbacks def test_gzip_plugin_filename(self): @@ -1933,8 +1919,8 @@ class FeedPostProcessedExportsTest(FeedExportTestBase): for filename, compressed in filename_to_compressed.items(): result = gzip.decompress(data[filename]) - self.assertEqual(compressed, data[filename]) - self.assertEqual(self.expected, result) + assert compressed == data[filename] + assert result == self.expected @defer.inlineCallbacks def test_lzma_plugin(self): @@ -1953,7 +1939,7 @@ class FeedPostProcessedExportsTest(FeedExportTestBase): try: lzma.decompress(data[filename]) except lzma.LZMAError: - self.fail("Received invalid lzma data.") + pytest.fail("Received invalid lzma data.") @defer.inlineCallbacks def test_lzma_plugin_format(self): @@ -1985,8 +1971,8 @@ class FeedPostProcessedExportsTest(FeedExportTestBase): for filename, compressed in filename_to_compressed.items(): result = lzma.decompress(data[filename]) - self.assertEqual(compressed, data[filename]) - self.assertEqual(self.expected, result) + assert compressed == data[filename] + assert result == self.expected @defer.inlineCallbacks def test_lzma_plugin_check(self): @@ -2018,8 +2004,8 @@ class FeedPostProcessedExportsTest(FeedExportTestBase): for filename, compressed in filename_to_compressed.items(): result = lzma.decompress(data[filename]) - self.assertEqual(compressed, data[filename]) - self.assertEqual(self.expected, result) + assert compressed == data[filename] + assert result == self.expected @defer.inlineCallbacks def test_lzma_plugin_preset(self): @@ -2051,8 +2037,8 @@ class FeedPostProcessedExportsTest(FeedExportTestBase): for filename, compressed in filename_to_compressed.items(): result = lzma.decompress(data[filename]) - self.assertEqual(compressed, data[filename]) - self.assertEqual(self.expected, result) + assert compressed == data[filename] + assert result == self.expected @defer.inlineCallbacks def test_lzma_plugin_filters(self): @@ -2075,9 +2061,9 @@ class FeedPostProcessedExportsTest(FeedExportTestBase): } data = yield self.exported_data(self.items, settings) - self.assertEqual(compressed, data[filename]) + assert compressed == data[filename] result = lzma.decompress(data[filename]) - self.assertEqual(self.expected, result) + assert result == self.expected @defer.inlineCallbacks def test_bz2_plugin(self): @@ -2096,7 +2082,7 @@ class FeedPostProcessedExportsTest(FeedExportTestBase): try: bz2.decompress(data[filename]) except OSError: - self.fail("Received invalid bz2 data.") + pytest.fail("Received invalid bz2 data.") @defer.inlineCallbacks def test_bz2_plugin_compresslevel(self): @@ -2128,8 +2114,8 @@ class FeedPostProcessedExportsTest(FeedExportTestBase): for filename, compressed in filename_to_compressed.items(): result = bz2.decompress(data[filename]) - self.assertEqual(compressed, data[filename]) - self.assertEqual(self.expected, result) + assert compressed == data[filename] + assert result == self.expected @defer.inlineCallbacks def test_custom_plugin(self): @@ -2145,7 +2131,7 @@ class FeedPostProcessedExportsTest(FeedExportTestBase): } data = yield self.exported_data(self.items, settings) - self.assertEqual(self.expected, data[filename]) + assert data[filename] == self.expected @defer.inlineCallbacks def test_custom_plugin_with_parameter(self): @@ -2163,7 +2149,7 @@ class FeedPostProcessedExportsTest(FeedExportTestBase): } data = yield self.exported_data(self.items, settings) - self.assertEqual(expected, data[filename]) + assert data[filename] == expected @defer.inlineCallbacks def test_custom_plugin_with_compression(self): @@ -2208,7 +2194,7 @@ class FeedPostProcessedExportsTest(FeedExportTestBase): for filename, decompressor in filename_to_decompressor.items(): result = decompressor(data[filename]) - self.assertEqual(expected, result) + assert result == expected @defer.inlineCallbacks def test_exports_compatibility_with_postproc(self): @@ -2262,10 +2248,10 @@ class FeedPostProcessedExportsTest(FeedExportTestBase): expected, result = self.items[0], marshal.loads(result) else: expected = filename_to_expected[filename] - self.assertEqual(expected, result) + assert result == expected -class BatchDeliveriesTest(FeedExportTestBase): +class TestBatchDeliveries(TestFeedExportBase): _file_mark = "_%(batch_time)s_#%(batch_id)02d_" @defer.inlineCallbacks @@ -2310,7 +2296,7 @@ class BatchDeliveriesTest(FeedExportTestBase): json.loads(to_unicode(batch_item)) for batch_item in batch.splitlines() ] expected_batch, rows = rows[:batch_size], rows[batch_size:] - self.assertEqual(expected_batch, got_batch) + assert got_batch == expected_batch @defer.inlineCallbacks def assertExportedCsv(self, items, header, rows, settings=None): @@ -2328,9 +2314,9 @@ class BatchDeliveriesTest(FeedExportTestBase): data = yield self.exported_data(items, settings) for batch in data["csv"]: got_batch = csv.DictReader(to_unicode(batch).splitlines()) - self.assertEqual(list(header), got_batch.fieldnames) + assert list(header) == got_batch.fieldnames expected_batch, rows = rows[:batch_size], rows[batch_size:] - self.assertEqual(expected_batch, list(got_batch)) + assert list(got_batch) == expected_batch @defer.inlineCallbacks def assertExportedXml(self, items, rows, settings=None): @@ -2351,7 +2337,7 @@ class BatchDeliveriesTest(FeedExportTestBase): root = lxml.etree.fromstring(batch) got_batch = [{e.tag: e.text for e in it} for it in root.findall("item")] expected_batch, rows = rows[:batch_size], rows[batch_size:] - self.assertEqual(expected_batch, got_batch) + assert got_batch == expected_batch @defer.inlineCallbacks def assertExportedMultiple(self, items, rows, settings=None): @@ -2377,13 +2363,13 @@ class BatchDeliveriesTest(FeedExportTestBase): root = lxml.etree.fromstring(batch) got_batch = [{e.tag: e.text for e in it} for it in root.findall("item")] expected_batch, xml_rows = xml_rows[:batch_size], xml_rows[batch_size:] - self.assertEqual(expected_batch, got_batch) + assert got_batch == expected_batch # JSON json_rows = rows.copy() for batch in data["json"]: got_batch = json.loads(batch.decode("utf-8")) expected_batch, json_rows = json_rows[:batch_size], json_rows[batch_size:] - self.assertEqual(expected_batch, got_batch) + assert got_batch == expected_batch @defer.inlineCallbacks def assertExportedPickle(self, items, rows, settings=None): @@ -2405,7 +2391,7 @@ class BatchDeliveriesTest(FeedExportTestBase): for batch in data["pickle"]: got_batch = self._load_until_eof(batch, load_func=pickle.load) expected_batch, rows = rows[:batch_size], rows[batch_size:] - self.assertEqual(expected_batch, got_batch) + assert got_batch == expected_batch @defer.inlineCallbacks def assertExportedMarshal(self, items, rows, settings=None): @@ -2427,7 +2413,7 @@ class BatchDeliveriesTest(FeedExportTestBase): for batch in data["marshal"]: got_batch = self._load_until_eof(batch, load_func=marshal.load) expected_batch, rows = rows[:batch_size], rows[batch_size:] - self.assertEqual(expected_batch, got_batch) + assert got_batch == expected_batch @defer.inlineCallbacks def test_export_items(self): @@ -2472,7 +2458,7 @@ class BatchDeliveriesTest(FeedExportTestBase): } data = yield self.exported_no_data(settings) data = dict(data) - self.assertEqual(0, len(data[fmt])) + assert len(data[fmt]) == 0 @defer.inlineCallbacks def test_export_no_items_store_empty(self): @@ -2496,7 +2482,7 @@ class BatchDeliveriesTest(FeedExportTestBase): } data = yield self.exported_no_data(settings) data = dict(data) - self.assertEqual(expctd, data[fmt][0]) + assert data[fmt][0] == expctd @defer.inlineCallbacks def test_export_multiple_configs(self): @@ -2552,7 +2538,7 @@ class BatchDeliveriesTest(FeedExportTestBase): data = yield self.exported_data(items, settings) for fmt, expected in formats.items(): for expected_batch, got_batch in zip(expected, data[fmt]): - self.assertEqual(expected_batch, got_batch) + assert got_batch == expected_batch @defer.inlineCallbacks def test_batch_item_count_feeds_setting(self): @@ -2576,7 +2562,7 @@ class BatchDeliveriesTest(FeedExportTestBase): data = yield self.exported_data(items, settings) for fmt, expected in formats.items(): for expected_batch, got_batch in zip(expected, data[fmt]): - self.assertEqual(expected_batch, got_batch) + assert got_batch == expected_batch @defer.inlineCallbacks def test_batch_path_differ(self): @@ -2598,7 +2584,7 @@ class BatchDeliveriesTest(FeedExportTestBase): "FEED_EXPORT_BATCH_ITEM_COUNT": 1, } data = yield self.exported_data(items, settings) - self.assertEqual(len(items), len(data["json"])) + assert len(items) == len(data["json"]) @defer.inlineCallbacks def test_stats_batch_file_success(self): @@ -2614,12 +2600,8 @@ class BatchDeliveriesTest(FeedExportTestBase): } crawler = get_crawler(ItemSpider, settings) yield crawler.crawl(total=2, mockserver=self.mockserver) - self.assertIn( - "feedexport/success_count/FileFeedStorage", crawler.stats.get_stats() - ) - self.assertEqual( - crawler.stats.get_value("feedexport/success_count/FileFeedStorage"), 12 - ) + assert "feedexport/success_count/FileFeedStorage" in crawler.stats.get_stats() + assert crawler.stats.get_value("feedexport/success_count/FileFeedStorage") == 12 @pytest.mark.requires_boto3 @defer.inlineCallbacks @@ -2687,13 +2669,13 @@ class BatchDeliveriesTest(FeedExportTestBase): crawler = get_crawler(TestSpider, settings) yield crawler.crawl() - self.assertEqual(len(CustomS3FeedStorage.stubs), len(items)) + assert len(CustomS3FeedStorage.stubs) == len(items) for stub in CustomS3FeedStorage.stubs[:-1]: stub.assert_no_pending_responses() # Test that the FeedExporer sends the feed_exporter_closed and feed_slot_closed signals -class FeedExporterSignalsTest(unittest.TestCase): +class TestFeedExporterSignals: items = [ {"foo": "bar1", "egg": "spam1"}, {"foo": "bar2", "egg": "spam2", "baz": "quux2"}, @@ -2754,8 +2736,8 @@ class FeedExporterSignalsTest(unittest.TestCase): self.feed_exporter_closed_signal_handler, self.feed_slot_closed_signal_handler, ) - self.assertTrue(self.feed_slot_closed_received) - self.assertTrue(self.feed_exporter_closed_received) + assert self.feed_slot_closed_received + assert self.feed_exporter_closed_received def test_feed_exporter_signals_sent_deferred(self): self.feed_exporter_closed_received = False @@ -2765,11 +2747,11 @@ class FeedExporterSignalsTest(unittest.TestCase): self.feed_exporter_closed_signal_handler_deferred, self.feed_slot_closed_signal_handler_deferred, ) - self.assertTrue(self.feed_slot_closed_received) - self.assertTrue(self.feed_exporter_closed_received) + assert self.feed_slot_closed_received + assert self.feed_exporter_closed_received -class FeedExportInitTest(unittest.TestCase): +class TestFeedExportInit: def test_unsupported_storage(self): settings = { "FEEDS": { @@ -2803,7 +2785,7 @@ class FeedExportInitTest(unittest.TestCase): } crawler = get_crawler(settings_dict=settings) exporter = FeedExporter.from_crawler(crawler) - self.assertIsInstance(exporter, FeedExporter) + assert isinstance(exporter, FeedExporter) def test_relative_pathlib_as_uri(self): settings = { @@ -2815,13 +2797,14 @@ class FeedExportInitTest(unittest.TestCase): } crawler = get_crawler(settings_dict=settings) exporter = FeedExporter.from_crawler(crawler) - self.assertIsInstance(exporter, FeedExporter) + assert isinstance(exporter, FeedExporter) -class URIParamsTest: +class TestURIParams(ABC): spider_name = "uri_params_spider" deprecated_options = False + @abstractmethod def build_settings(self, uri="file:///tmp/foobar", uri_params=None): raise NotImplementedError @@ -2850,7 +2833,7 @@ class URIParamsTest: warnings.simplefilter("error", ScrapyDeprecationWarning) feed_exporter.open_spider(spider) - self.assertEqual(feed_exporter.slots[0].uri, f"file:///tmp/{self.spider_name}") + assert feed_exporter.slots[0].uri == f"file:///tmp/{self.spider_name}" def test_none(self): def uri_params(params, spider): @@ -2866,7 +2849,7 @@ class URIParamsTest: feed_exporter.open_spider(spider) - self.assertEqual(feed_exporter.slots[0].uri, f"file:///tmp/{self.spider_name}") + assert feed_exporter.slots[0].uri == f"file:///tmp/{self.spider_name}" def test_empty_dict(self): def uri_params(params, spider): @@ -2900,7 +2883,7 @@ class URIParamsTest: warnings.simplefilter("error", ScrapyDeprecationWarning) feed_exporter.open_spider(spider) - self.assertEqual(feed_exporter.slots[0].uri, f"file:///tmp/{self.spider_name}") + assert feed_exporter.slots[0].uri == f"file:///tmp/{self.spider_name}" def test_custom_param(self): def uri_params(params, spider): @@ -2917,10 +2900,10 @@ class URIParamsTest: warnings.simplefilter("error", ScrapyDeprecationWarning) feed_exporter.open_spider(spider) - self.assertEqual(feed_exporter.slots[0].uri, f"file:///tmp/{self.spider_name}") + assert feed_exporter.slots[0].uri == f"file:///tmp/{self.spider_name}" -class URIParamsSettingTest(URIParamsTest, unittest.TestCase): +class TestURIParamsSetting(TestURIParams): deprecated_options = True def build_settings(self, uri="file:///tmp/foobar", uri_params=None): @@ -2933,7 +2916,7 @@ class URIParamsSettingTest(URIParamsTest, unittest.TestCase): } -class URIParamsFeedOptionTest(URIParamsTest, unittest.TestCase): +class TestURIParamsFeedOption(TestURIParams): deprecated_options = False def build_settings(self, uri="file:///tmp/foobar", uri_params=None): diff --git a/tests/test_http2_client_protocol.py b/tests/test_http2_client_protocol.py index 0881bbeca..7c1b38877 100644 --- a/tests/test_http2_client_protocol.py +++ b/tests/test_http2_client_protocol.py @@ -185,7 +185,7 @@ def get_client_certificate( @skipIf(not H2_ENABLED, "HTTP/2 support in Twisted is not enabled") -class Https2ClientProtocolTestCase(TestCase): +class TestHttps2ClientProtocol(TestCase): scheme = "https" key_file = Path(__file__).parent / "keys" / "localhost.key" certificate_file = Path(__file__).parent / "keys" / "localhost.crt" @@ -277,14 +277,14 @@ class Https2ClientProtocolTestCase(TestCase): def _check_GET(self, request: Request, expected_body, expected_status): def check_response(response: Response): - self.assertEqual(response.status, expected_status) - self.assertEqual(response.body, expected_body) - self.assertEqual(response.request, request) + assert response.status == expected_status + assert response.body == expected_body + assert response.request == request content_length_header = response.headers.get("Content-Length") assert content_length_header is not None content_length = int(content_length_header) - self.assertEqual(len(response.body), content_length) + assert len(response.body) == content_length d = self.make_request(request) d.addCallback(check_response) @@ -325,35 +325,35 @@ class Https2ClientProtocolTestCase(TestCase): d = self.make_request(request) def assert_response(response: Response): - self.assertEqual(response.status, expected_status) - self.assertEqual(response.request, request) + assert response.status == expected_status + assert response.request == request content_length_header = response.headers.get("Content-Length") assert content_length_header is not None content_length = int(content_length_header) - self.assertEqual(len(response.body), content_length) + assert len(response.body) == content_length # Parse the body content_encoding_header = response.headers[b"Content-Encoding"] assert content_encoding_header is not None content_encoding = str(content_encoding_header, "utf-8") body = json.loads(str(response.body, content_encoding)) - self.assertIn("request-body", body) - self.assertIn("extra-data", body) - self.assertIn("request-headers", body) + assert "request-body" in body + assert "extra-data" in body + assert "request-headers" in body request_body = body["request-body"] - self.assertEqual(request_body, expected_request_body) + assert request_body == expected_request_body extra_data = body["extra-data"] - self.assertEqual(extra_data, expected_extra_data) + assert extra_data == expected_extra_data # Check if headers were sent successfully request_headers = body["request-headers"] for k, v in request.headers.items(): k_str = str(k, "utf-8") - self.assertIn(k_str, request_headers) - self.assertEqual(request_headers[k_str], str(v[0], "utf-8")) + assert k_str in request_headers + assert request_headers[k_str] == str(v[0], "utf-8") d.addCallback(assert_response) d.addErrback(self.fail) @@ -414,8 +414,8 @@ class Https2ClientProtocolTestCase(TestCase): request = Request(url=self.get_url("/get-data-html-large")) def assert_response(response: Response): - self.assertEqual(response.status, 499) - self.assertEqual(response.request, request) + assert response.status == 499 + assert response.request == request d = self.make_request(request) d.addCallback(assert_response) @@ -430,12 +430,12 @@ class Https2ClientProtocolTestCase(TestCase): ) def assert_cancelled_error(failure): - self.assertIsInstance(failure.value, CancelledError) + assert isinstance(failure.value, CancelledError) error_pattern = re.compile( rf"Cancelling download of {request.url}: received response " rf"size \(\d*\) larger than download max size \(1000\)" ) - self.assertEqual(len(re.findall(error_pattern, str(failure.value))), 1) + assert len(re.findall(error_pattern, str(failure.value))) == 1 d = self.make_request(request) d.addCallback(self.fail) @@ -448,14 +448,12 @@ class Https2ClientProtocolTestCase(TestCase): request = Request(url=self.get_url("/dataloss")) def assert_failure(failure: Failure): - self.assertTrue(len(failure.value.reasons) > 0) + assert len(failure.value.reasons) > 0 from h2.exceptions import InvalidBodyLengthError - self.assertTrue( - any( - isinstance(error, InvalidBodyLengthError) - for error in failure.value.reasons - ) + assert any( + isinstance(error, InvalidBodyLengthError) + for error in failure.value.reasons ) d = self.make_request(request) @@ -467,10 +465,10 @@ class Https2ClientProtocolTestCase(TestCase): request = Request(url=self.get_url("/no-content-length-header")) def assert_content_length(response: Response): - self.assertEqual(response.status, 200) - self.assertEqual(response.body, Data.NO_CONTENT_LENGTH) - self.assertEqual(response.request, request) - self.assertNotIn("Content-Length", response.headers) + assert response.status == 200 + assert response.body == Data.NO_CONTENT_LENGTH + assert response.request == request + assert "Content-Length" not in response.headers d = self.make_request(request) d.addCallback(assert_content_length) @@ -481,14 +479,12 @@ class Https2ClientProtocolTestCase(TestCase): def _check_log_warnsize(self, request, warn_pattern, expected_body): with self.assertLogs("scrapy.core.http2.stream", level="WARNING") as cm: response = yield self.make_request(request) - self.assertEqual(response.status, 200) - self.assertEqual(response.request, request) - self.assertEqual(response.body, expected_body) + assert response.status == 200 + assert response.request == request + assert response.body == expected_body # Check the warning is raised only once for this request - self.assertEqual( - sum(len(re.findall(warn_pattern, log)) for log in cm.output), 1 - ) + assert sum(len(re.findall(warn_pattern, log)) for log in cm.output) == 1 @inlineCallbacks def test_log_expected_warnsize(self): @@ -534,11 +530,11 @@ class Https2ClientProtocolTestCase(TestCase): d_list = [] def assert_inactive_stream(failure): - self.assertIsNotNone(failure.check(ResponseFailed)) + assert failure.check(ResponseFailed) is not None from scrapy.core.http2.stream import InactiveStreamClosed - self.assertTrue( - any(isinstance(e, InactiveStreamClosed) for e in failure.value.reasons) + assert any( + isinstance(e, InactiveStreamClosed) for e in failure.value.reasons ) # Send 100 request (we do not check the result) @@ -578,7 +574,7 @@ class Https2ClientProtocolTestCase(TestCase): assert content_encoding_header is not None content_encoding = str(content_encoding_header, "utf-8") data = json.loads(str(response.body, content_encoding)) - self.assertEqual(data, params) + assert data == params d = self.make_request(request) d.addCallback(assert_query_params) @@ -588,7 +584,7 @@ class Https2ClientProtocolTestCase(TestCase): def test_status_codes(self): def assert_response_status(response: Response, expected_status: int): - self.assertEqual(response.status, expected_status) + assert response.status == expected_status d_list = [] for status in [200, 404]: @@ -604,21 +600,18 @@ class Https2ClientProtocolTestCase(TestCase): request = Request(self.get_url("/status?n=200")) def assert_metadata(response: Response): - self.assertEqual(response.request, request) - self.assertIsInstance(response.certificate, Certificate) - assert response.certificate # typing - self.assertIsNotNone(response.certificate.original) - self.assertEqual( - response.certificate.getIssuer(), self.client_certificate.getIssuer() + assert response.request == request + assert isinstance(response.certificate, Certificate) + assert response.certificate.original is not None + assert ( + response.certificate.getIssuer() == self.client_certificate.getIssuer() ) - self.assertTrue( - response.certificate.getPublicKey().matches( - self.client_certificate.getPublicKey() - ) + assert response.certificate.getPublicKey().matches( + self.client_certificate.getPublicKey() ) - self.assertIsInstance(response.ip_address, IPv4Address) - self.assertEqual(str(response.ip_address), "127.0.0.1") + assert isinstance(response.ip_address, IPv4Address) + assert str(response.ip_address) == "127.0.0.1" d = self.make_request(request) d.addCallback(assert_metadata) @@ -632,11 +625,11 @@ class Https2ClientProtocolTestCase(TestCase): def assert_invalid_hostname(failure: Failure): from scrapy.core.http2.stream import InvalidHostname - self.assertIsNotNone(failure.check(InvalidHostname)) + assert failure.check(InvalidHostname) is not None error_msg = str(failure.value) - self.assertIn("localhost", error_msg) - self.assertIn("127.0.0.1", error_msg) - self.assertIn(str(request), error_msg) + assert "localhost" in error_msg + assert "127.0.0.1" in error_msg + assert str(request) in error_msg d = self.make_request(request) d.addCallback(self.fail) @@ -672,13 +665,13 @@ class Https2ClientProtocolTestCase(TestCase): from scrapy.core.http2.protocol import H2ClientProtocol if isinstance(err, TimeoutError): - self.assertIn( - f"Connection was IDLE for more than {H2ClientProtocol.IDLE_TIMEOUT}s", - str(err), + assert ( + f"Connection was IDLE for more than {H2ClientProtocol.IDLE_TIMEOUT}s" + in str(err) ) break else: - self.fail() + pytest.fail("No TimeoutError raised.") d.addCallback(self.fail) d.addErrback(assert_timeout_error) @@ -692,15 +685,15 @@ class Https2ClientProtocolTestCase(TestCase): d = self.make_request(request) def assert_request_headers(response: Response): - self.assertEqual(response.status, 200) - self.assertEqual(response.request, request) + assert response.status == 200 + assert response.request == request response_headers = json.loads(str(response.body, "utf-8")) - self.assertIsInstance(response_headers, dict) + assert isinstance(response_headers, dict) for k, v in request.headers.items(): k, v = str(k, "utf-8"), str(v[0], "utf-8") - self.assertIn(k, response_headers) - self.assertEqual(v, response_headers[k]) + assert k in response_headers + assert v == response_headers[k] d.addErrback(self.fail) d.addCallback(assert_request_headers) diff --git a/tests/test_http_cookies.py b/tests/test_http_cookies.py index 932644320..660b76d08 100644 --- a/tests/test_http_cookies.py +++ b/tests/test_http_cookies.py @@ -1,74 +1,72 @@ -from unittest import TestCase - from scrapy.http import Request, Response from scrapy.http.cookies import WrappedRequest, WrappedResponse from scrapy.utils.httpobj import urlparse_cached -class WrappedRequestTest(TestCase): - def setUp(self): +class TestWrappedRequest: + def setup_method(self): self.request = Request( "http://www.example.com/page.html", headers={"Content-Type": "text/html"} ) self.wrapped = WrappedRequest(self.request) def test_get_full_url(self): - self.assertEqual(self.wrapped.get_full_url(), self.request.url) - self.assertEqual(self.wrapped.full_url, self.request.url) + assert self.wrapped.get_full_url() == self.request.url + assert self.wrapped.full_url == self.request.url def test_get_host(self): - self.assertEqual(self.wrapped.get_host(), urlparse_cached(self.request).netloc) - self.assertEqual(self.wrapped.host, urlparse_cached(self.request).netloc) + assert self.wrapped.get_host() == urlparse_cached(self.request).netloc + assert self.wrapped.host == urlparse_cached(self.request).netloc def test_get_type(self): - self.assertEqual(self.wrapped.get_type(), urlparse_cached(self.request).scheme) - self.assertEqual(self.wrapped.type, urlparse_cached(self.request).scheme) + assert self.wrapped.get_type() == urlparse_cached(self.request).scheme + assert self.wrapped.type == urlparse_cached(self.request).scheme def test_is_unverifiable(self): - self.assertFalse(self.wrapped.is_unverifiable()) - self.assertFalse(self.wrapped.unverifiable) + assert not self.wrapped.is_unverifiable() + assert not self.wrapped.unverifiable def test_is_unverifiable2(self): self.request.meta["is_unverifiable"] = True - self.assertTrue(self.wrapped.is_unverifiable()) - self.assertTrue(self.wrapped.unverifiable) + assert self.wrapped.is_unverifiable() + assert self.wrapped.unverifiable def test_get_origin_req_host(self): - self.assertEqual(self.wrapped.origin_req_host, "www.example.com") + assert self.wrapped.origin_req_host == "www.example.com" def test_has_header(self): - self.assertTrue(self.wrapped.has_header("content-type")) - self.assertFalse(self.wrapped.has_header("xxxxx")) + assert self.wrapped.has_header("content-type") + assert not self.wrapped.has_header("xxxxx") def test_get_header(self): - self.assertEqual(self.wrapped.get_header("content-type"), "text/html") - self.assertEqual(self.wrapped.get_header("xxxxx", "def"), "def") - self.assertEqual(self.wrapped.get_header("xxxxx"), None) + assert self.wrapped.get_header("content-type") == "text/html" + assert self.wrapped.get_header("xxxxx", "def") == "def" + assert self.wrapped.get_header("xxxxx") is None wrapped = WrappedRequest( Request( "http://www.example.com/page.html", headers={"empty-binary-header": b""} ) ) - self.assertEqual(wrapped.get_header("empty-binary-header"), "") + assert wrapped.get_header("empty-binary-header") == "" def test_header_items(self): - self.assertEqual(self.wrapped.header_items(), [("Content-Type", ["text/html"])]) + assert self.wrapped.header_items() == [("Content-Type", ["text/html"])] def test_add_unredirected_header(self): self.wrapped.add_unredirected_header("hello", "world") - self.assertEqual(self.request.headers["hello"], b"world") + assert self.request.headers["hello"] == b"world" -class WrappedResponseTest(TestCase): - def setUp(self): +class TestWrappedResponse: + def setup_method(self): self.response = Response( "http://www.example.com/page.html", headers={"Content-TYpe": "text/html"} ) self.wrapped = WrappedResponse(self.response) def test_info(self): - self.assertIs(self.wrapped.info(), self.wrapped) + assert self.wrapped.info() is self.wrapped def test_get_all(self): # get_all result must be native string - self.assertEqual(self.wrapped.get_all("content-type"), ["text/html"]) + assert self.wrapped.get_all("content-type") == ["text/html"] diff --git a/tests/test_http_headers.py b/tests/test_http_headers.py index 0bbbcda46..2fcf9e83c 100644 --- a/tests/test_http_headers.py +++ b/tests/test_http_headers.py @@ -1,14 +1,13 @@ import copy -import unittest import pytest from scrapy.http import Headers -class HeadersTest(unittest.TestCase): +class TestHeaders: def assertSortedEqual(self, first, second, msg=None): - return self.assertEqual(sorted(first), sorted(second), msg) + assert sorted(first) == sorted(second), msg def test_basics(self): h = Headers({"Content-Type": "text/html", "Content-Length": 1234}) @@ -17,53 +16,53 @@ class HeadersTest(unittest.TestCase): with pytest.raises(KeyError): h["Accept"] - self.assertEqual(h.get("Accept"), None) - self.assertEqual(h.getlist("Accept"), []) + assert h.get("Accept") is None + assert h.getlist("Accept") == [] - self.assertEqual(h.get("Accept", "*/*"), b"*/*") - self.assertEqual(h.getlist("Accept", "*/*"), [b"*/*"]) - self.assertEqual( - h.getlist("Accept", ["text/html", "images/jpeg"]), - [b"text/html", b"images/jpeg"], - ) + assert h.get("Accept", "*/*") == b"*/*" + assert h.getlist("Accept", "*/*") == [b"*/*"] + assert h.getlist("Accept", ["text/html", "images/jpeg"]) == [ + b"text/html", + b"images/jpeg", + ] def test_single_value(self): h = Headers() h["Content-Type"] = "text/html" - self.assertEqual(h["Content-Type"], b"text/html") - self.assertEqual(h.get("Content-Type"), b"text/html") - self.assertEqual(h.getlist("Content-Type"), [b"text/html"]) + assert h["Content-Type"] == b"text/html" + assert h.get("Content-Type") == b"text/html" + assert h.getlist("Content-Type") == [b"text/html"] def test_multivalue(self): h = Headers() h["X-Forwarded-For"] = hlist = ["ip1", "ip2"] - self.assertEqual(h["X-Forwarded-For"], b"ip2") - self.assertEqual(h.get("X-Forwarded-For"), b"ip2") - self.assertEqual(h.getlist("X-Forwarded-For"), [b"ip1", b"ip2"]) + assert h["X-Forwarded-For"] == b"ip2" + assert h.get("X-Forwarded-For") == b"ip2" + assert h.getlist("X-Forwarded-For") == [b"ip1", b"ip2"] assert h.getlist("X-Forwarded-For") is not hlist def test_multivalue_for_one_header(self): h = Headers((("a", "b"), ("a", "c"))) - self.assertEqual(h["a"], b"c") - self.assertEqual(h.get("a"), b"c") - self.assertEqual(h.getlist("a"), [b"b", b"c"]) + assert h["a"] == b"c" + assert h.get("a") == b"c" + assert h.getlist("a") == [b"b", b"c"] def test_encode_utf8(self): h = Headers({"key": "\xa3"}, encoding="utf-8") key, val = dict(h).popitem() assert isinstance(key, bytes), key assert isinstance(val[0], bytes), val[0] - self.assertEqual(val[0], b"\xc2\xa3") + assert val[0] == b"\xc2\xa3" def test_encode_latin1(self): h = Headers({"key": "\xa3"}, encoding="latin1") key, val = dict(h).popitem() - self.assertEqual(val[0], b"\xa3") + assert val[0] == b"\xa3" def test_encode_multiple(self): h = Headers({"key": ["\xa3"]}, encoding="utf-8") key, val = dict(h).popitem() - self.assertEqual(val[0], b"\xc2\xa3") + assert val[0] == b"\xc2\xa3" def test_delete_and_contains(self): h = Headers() @@ -81,17 +80,17 @@ class HeadersTest(unittest.TestCase): h = Headers() olist = h.setdefault("X-Forwarded-For", "ip1") - self.assertEqual(h.getlist("X-Forwarded-For"), [b"ip1"]) + assert h.getlist("X-Forwarded-For") == [b"ip1"] assert h.getlist("X-Forwarded-For") is olist def test_iterables(self): idict = {"Content-Type": "text/html", "X-Forwarded-For": ["ip1", "ip2"]} h = Headers(idict) - self.assertDictEqual( - dict(h), - {b"Content-Type": [b"text/html"], b"X-Forwarded-For": [b"ip1", b"ip2"]}, - ) + assert dict(h) == { + b"Content-Type": [b"text/html"], + b"X-Forwarded-For": [b"ip1", b"ip2"], + } self.assertSortedEqual(h.keys(), [b"X-Forwarded-For", b"Content-Type"]) self.assertSortedEqual( h.items(), @@ -102,57 +101,57 @@ class HeadersTest(unittest.TestCase): def test_update(self): h = Headers() h.update({"Content-Type": "text/html", "X-Forwarded-For": ["ip1", "ip2"]}) - self.assertEqual(h.getlist("Content-Type"), [b"text/html"]) - self.assertEqual(h.getlist("X-Forwarded-For"), [b"ip1", b"ip2"]) + assert h.getlist("Content-Type") == [b"text/html"] + assert h.getlist("X-Forwarded-For") == [b"ip1", b"ip2"] def test_copy(self): h1 = Headers({"header1": ["value1", "value2"]}) h2 = copy.copy(h1) - self.assertEqual(h1, h2) - self.assertEqual(h1.getlist("header1"), h2.getlist("header1")) + assert h1 == h2 + assert h1.getlist("header1") == h2.getlist("header1") assert h1.getlist("header1") is not h2.getlist("header1") assert isinstance(h2, Headers) def test_appendlist(self): h1 = Headers({"header1": "value1"}) h1.appendlist("header1", "value3") - self.assertEqual(h1.getlist("header1"), [b"value1", b"value3"]) + assert h1.getlist("header1") == [b"value1", b"value3"] h1 = Headers() h1.appendlist("header1", "value1") h1.appendlist("header1", "value3") - self.assertEqual(h1.getlist("header1"), [b"value1", b"value3"]) + assert h1.getlist("header1") == [b"value1", b"value3"] def test_setlist(self): h1 = Headers({"header1": "value1"}) - self.assertEqual(h1.getlist("header1"), [b"value1"]) + assert h1.getlist("header1") == [b"value1"] h1.setlist("header1", [b"value2", b"value3"]) - self.assertEqual(h1.getlist("header1"), [b"value2", b"value3"]) + assert h1.getlist("header1") == [b"value2", b"value3"] def test_setlistdefault(self): h1 = Headers({"header1": "value1"}) h1.setlistdefault("header1", ["value2", "value3"]) h1.setlistdefault("header2", ["value2", "value3"]) - self.assertEqual(h1.getlist("header1"), [b"value1"]) - self.assertEqual(h1.getlist("header2"), [b"value2", b"value3"]) + assert h1.getlist("header1") == [b"value1"] + assert h1.getlist("header2") == [b"value2", b"value3"] def test_none_value(self): h1 = Headers() h1["foo"] = "bar" h1["foo"] = None h1.setdefault("foo", "bar") - self.assertEqual(h1.get("foo"), None) - self.assertEqual(h1.getlist("foo"), []) + assert h1.get("foo") is None + assert h1.getlist("foo") == [] def test_int_value(self): h1 = Headers({"hey": 5}) h1["foo"] = 1 h1.setdefault("bar", 2) h1.setlist("buz", [1, "dos", 3]) - self.assertEqual(h1.getlist("foo"), [b"1"]) - self.assertEqual(h1.getlist("bar"), [b"2"]) - self.assertEqual(h1.getlist("buz"), [b"1", b"dos", b"3"]) - self.assertEqual(h1.getlist("hey"), [b"5"]) + assert h1.getlist("foo") == [b"1"] + assert h1.getlist("bar") == [b"2"] + assert h1.getlist("buz") == [b"1", b"dos", b"3"] + assert h1.getlist("hey") == [b"5"] def test_invalid_value(self): with pytest.raises(TypeError, match="Unsupported value type"): From d442227fa74e414f4c7ac6baea6c3c4a1d938219 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Sun, 9 Mar 2025 23:24:12 +0400 Subject: [PATCH 419/786] Converting tests to plain asserts, part 8. (#6711) --- tests/test_http_request.py | 608 +++++++++++++++----------------- tests/test_http_response.py | 316 ++++++++--------- tests/test_loader.py | 280 +++++++-------- tests/test_settings/__init__.py | 309 ++++++++-------- 4 files changed, 718 insertions(+), 795 deletions(-) diff --git a/tests/test_http_request.py b/tests/test_http_request.py index e5291157d..6bf0b8e3f 100644 --- a/tests/test_http_request.py +++ b/tests/test_http_request.py @@ -1,6 +1,5 @@ import json import re -import unittest import warnings import xmlrpc.client from typing import Any @@ -22,7 +21,7 @@ from scrapy.utils.httpobj import urlparse_cached from scrapy.utils.python import to_bytes, to_unicode -class RequestTest(unittest.TestCase): +class TestRequest: request_class = Request default_method = "GET" default_headers: dict[bytes, list[bytes]] = {} @@ -40,12 +39,12 @@ class RequestTest(unittest.TestCase): r = self.request_class("http://www.example.com") assert isinstance(r.url, str) - self.assertEqual(r.url, "http://www.example.com") - self.assertEqual(r.method, self.default_method) + assert r.url == "http://www.example.com" + assert r.method == self.default_method assert isinstance(r.headers, Headers) - self.assertEqual(r.headers, self.default_headers) - self.assertEqual(r.meta, self.default_meta) + assert r.headers == self.default_headers + assert r.meta == self.default_meta meta = {"lala": "lolo"} headers = {b"caca": b"coco"} @@ -54,9 +53,9 @@ class RequestTest(unittest.TestCase): ) assert r.meta is not meta - self.assertEqual(r.meta, meta) + assert r.meta == meta assert r.headers is not headers - self.assertEqual(r.headers[b"caca"], b"coco") + assert r.headers[b"caca"] == b"coco" def test_url_scheme(self): # This test passes by not raising any (ValueError) exception @@ -83,61 +82,61 @@ class RequestTest(unittest.TestCase): r = self.request_class(url=url, headers=headers) p = self.request_class(url=url, headers=r.headers) - self.assertEqual(r.headers, p.headers) - self.assertFalse(r.headers is headers) - self.assertFalse(p.headers is r.headers) + assert r.headers == p.headers + assert r.headers is not headers + assert p.headers is not r.headers # headers must not be unicode h = Headers({"key1": "val1", "key2": "val2"}) h["newkey"] = "newval" for k, v in h.items(): - self.assertIsInstance(k, bytes) + assert isinstance(k, bytes) for s in v: - self.assertIsInstance(s, bytes) + assert isinstance(s, bytes) def test_eq(self): url = "http://www.scrapy.org" r1 = self.request_class(url=url) r2 = self.request_class(url=url) - self.assertNotEqual(r1, r2) + assert r1 != r2 set_ = set() set_.add(r1) set_.add(r2) - self.assertEqual(len(set_), 2) + assert len(set_) == 2 def test_url(self): r = self.request_class(url="http://www.scrapy.org/path") - self.assertEqual(r.url, "http://www.scrapy.org/path") + assert r.url == "http://www.scrapy.org/path" def test_url_quoting(self): r = self.request_class(url="http://www.scrapy.org/blank%20space") - self.assertEqual(r.url, "http://www.scrapy.org/blank%20space") + assert r.url == "http://www.scrapy.org/blank%20space" r = self.request_class(url="http://www.scrapy.org/blank space") - self.assertEqual(r.url, "http://www.scrapy.org/blank%20space") + assert r.url == "http://www.scrapy.org/blank%20space" def test_url_encoding(self): r = self.request_class(url="http://www.scrapy.org/price/£") - self.assertEqual(r.url, "http://www.scrapy.org/price/%C2%A3") + assert r.url == "http://www.scrapy.org/price/%C2%A3" def test_url_encoding_other(self): # encoding affects only query part of URI, not path # path part should always be UTF-8 encoded before percent-escaping r = self.request_class(url="http://www.scrapy.org/price/£", encoding="utf-8") - self.assertEqual(r.url, "http://www.scrapy.org/price/%C2%A3") + assert r.url == "http://www.scrapy.org/price/%C2%A3" r = self.request_class(url="http://www.scrapy.org/price/£", encoding="latin1") - self.assertEqual(r.url, "http://www.scrapy.org/price/%C2%A3") + assert r.url == "http://www.scrapy.org/price/%C2%A3" def test_url_encoding_query(self): r1 = self.request_class(url="http://www.scrapy.org/price/£?unit=µ") - self.assertEqual(r1.url, "http://www.scrapy.org/price/%C2%A3?unit=%C2%B5") + assert r1.url == "http://www.scrapy.org/price/%C2%A3?unit=%C2%B5" # should be same as above r2 = self.request_class( url="http://www.scrapy.org/price/£?unit=µ", encoding="utf-8" ) - self.assertEqual(r2.url, "http://www.scrapy.org/price/%C2%A3?unit=%C2%B5") + assert r2.url == "http://www.scrapy.org/price/%C2%A3?unit=%C2%B5" def test_url_encoding_query_latin1(self): # encoding is used for encoding query-string before percent-escaping; @@ -145,7 +144,7 @@ class RequestTest(unittest.TestCase): r3 = self.request_class( url="http://www.scrapy.org/price/µ?currency=£", encoding="latin1" ) - self.assertEqual(r3.url, "http://www.scrapy.org/price/%C2%B5?currency=%A3") + assert r3.url == "http://www.scrapy.org/price/%C2%B5?currency=%A3" def test_url_encoding_nonutf8_untouched(self): # percent-escaping sequences that do not match valid UTF-8 sequences @@ -164,16 +163,16 @@ class RequestTest(unittest.TestCase): # "http://www.example.org/r%C3%A9sum%C3%A9.html", which is a different # URI from "http://www.example.org/r%E9sum%E9.html". r1 = self.request_class(url="http://www.scrapy.org/price/%a3") - self.assertEqual(r1.url, "http://www.scrapy.org/price/%a3") + assert r1.url == "http://www.scrapy.org/price/%a3" r2 = self.request_class(url="http://www.scrapy.org/r%C3%A9sum%C3%A9/%a3") - self.assertEqual(r2.url, "http://www.scrapy.org/r%C3%A9sum%C3%A9/%a3") + assert r2.url == "http://www.scrapy.org/r%C3%A9sum%C3%A9/%a3" r3 = self.request_class(url="http://www.scrapy.org/résumé/%a3") - self.assertEqual(r3.url, "http://www.scrapy.org/r%C3%A9sum%C3%A9/%a3") + assert r3.url == "http://www.scrapy.org/r%C3%A9sum%C3%A9/%a3" r4 = self.request_class(url="http://www.example.org/r%E9sum%E9.html") - self.assertEqual(r4.url, "http://www.example.org/r%E9sum%E9.html") + assert r4.url == "http://www.example.org/r%E9sum%E9.html" def test_body(self): r1 = self.request_class(url="http://www.example.com/") @@ -181,19 +180,19 @@ class RequestTest(unittest.TestCase): r2 = self.request_class(url="http://www.example.com/", body=b"") assert isinstance(r2.body, bytes) - self.assertEqual(r2.encoding, "utf-8") # default encoding + assert r2.encoding == "utf-8" # default encoding r3 = self.request_class( url="http://www.example.com/", body="Price: \xa3100", encoding="utf-8" ) assert isinstance(r3.body, bytes) - self.assertEqual(r3.body, b"Price: \xc2\xa3100") + assert r3.body == b"Price: \xc2\xa3100" r4 = self.request_class( url="http://www.example.com/", body="Price: \xa3100", encoding="latin1" ) assert isinstance(r4.body, bytes) - self.assertEqual(r4.body, b"Price: \xa3100") + assert r4.body == b"Price: \xa3100" def test_copy(self): """Test Request copy""" @@ -219,25 +218,25 @@ class RequestTest(unittest.TestCase): # make sure flags list is shallow copied assert r1.flags is not r2.flags, "flags must be a shallow copy, not identical" - self.assertEqual(r1.flags, r2.flags) + assert r1.flags == r2.flags # make sure cb_kwargs dict is shallow copied assert r1.cb_kwargs is not r2.cb_kwargs, ( "cb_kwargs must be a shallow copy, not identical" ) - self.assertEqual(r1.cb_kwargs, r2.cb_kwargs) + assert r1.cb_kwargs == r2.cb_kwargs # make sure meta dict is shallow copied assert r1.meta is not r2.meta, "meta must be a shallow copy, not identical" - self.assertEqual(r1.meta, r2.meta) + assert r1.meta == r2.meta # make sure headers attribute is shallow copied assert r1.headers is not r2.headers, ( "headers must be a shallow copy, not identical" ) - self.assertEqual(r1.headers, r2.headers) - self.assertEqual(r1.encoding, r2.encoding) - self.assertEqual(r1.dont_filter, r2.dont_filter) + assert r1.headers == r2.headers + assert r1.encoding == r2.encoding + assert r1.dont_filter == r2.dont_filter # Request.body can be identical since it's an immutable object (str) @@ -258,10 +257,10 @@ class RequestTest(unittest.TestCase): hdrs = Headers(r1.headers) hdrs[b"key"] = b"value" r2 = r1.replace(method="POST", body="New body", headers=hdrs) - self.assertEqual(r1.url, r2.url) - self.assertEqual((r1.method, r2.method), ("GET", "POST")) - self.assertEqual((r1.body, r2.body), (b"", b"New body")) - self.assertEqual((r1.headers, r2.headers), (self.default_headers, hdrs)) + assert r1.url == r2.url + assert (r1.method, r2.method) == ("GET", "POST") + assert (r1.body, r2.body) == (b"", b"New body") + assert (r1.headers, r2.headers) == (self.default_headers, hdrs) # Empty attributes (which may fail if not compared properly) r3 = self.request_class( @@ -270,9 +269,9 @@ class RequestTest(unittest.TestCase): r4 = r3.replace( url="http://www.example.com/2", body=b"", meta={}, dont_filter=False ) - self.assertEqual(r4.url, "http://www.example.com/2") - self.assertEqual(r4.body, b"") - self.assertEqual(r4.meta, {}) + assert r4.url == "http://www.example.com/2" + assert r4.body == b"" + assert r4.meta == {} assert r4.dont_filter is False def test_method_always_str(self): @@ -291,32 +290,32 @@ class RequestTest(unittest.TestCase): pass r1 = self.request_class("http://example.com") - self.assertIsNone(r1.callback) - self.assertIsNone(r1.errback) + assert r1.callback is None + assert r1.errback is None r2 = self.request_class("http://example.com", callback=a_function) - self.assertIs(r2.callback, a_function) - self.assertIsNone(r2.errback) + assert r2.callback is a_function + assert r2.errback is None r3 = self.request_class("http://example.com", errback=a_function) - self.assertIsNone(r3.callback) - self.assertIs(r3.errback, a_function) + assert r3.callback is None + assert r3.errback is a_function r4 = self.request_class( url="http://example.com", callback=a_function, errback=a_function, ) - self.assertIs(r4.callback, a_function) - self.assertIs(r4.errback, a_function) + assert r4.callback is a_function + assert r4.errback is a_function r5 = self.request_class( url="http://example.com", callback=NO_CALLBACK, errback=NO_CALLBACK, ) - self.assertIs(r5.callback, NO_CALLBACK) - self.assertIs(r5.errback, NO_CALLBACK) + assert r5.callback is NO_CALLBACK + assert r5.errback is NO_CALLBACK def test_callback_and_errback_type(self): with pytest.raises(TypeError): @@ -354,53 +353,46 @@ class RequestTest(unittest.TestCase): "2%3A15&comments=' --compressed" ) r = self.request_class.from_curl(curl_command) - self.assertEqual(r.method, "POST") - self.assertEqual(r.url, "http://httpbin.org/post") - self.assertEqual( - r.body, - b"custname=John+Smith&custtel=500&custemail=jsmith%40" + assert r.method == "POST" + assert r.url == "http://httpbin.org/post" + assert ( + r.body == b"custname=John+Smith&custtel=500&custemail=jsmith%40" b"example.org&size=small&topping=cheese&topping=onion" - b"&delivery=12%3A15&comments=", - ) - self.assertEqual( - r.cookies, - { - "_gauges_unique_year": "1", - "_gauges_unique": "1", - "_gauges_unique_month": "1", - "_gauges_unique_hour": "1", - "_gauges_unique_day": "1", - }, - ) - self.assertEqual( - r.headers, - { - b"Origin": [b"http://httpbin.org"], - b"Accept-Encoding": [b"gzip, deflate"], - b"Accept-Language": [b"en-US,en;q=0.9,ru;q=0.8,es;q=0.7"], - b"Upgrade-Insecure-Requests": [b"1"], - b"User-Agent": [ - b"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537." - b"36 (KHTML, like Gecko) Ubuntu Chromium/62.0.3202" - b".75 Chrome/62.0.3202.75 Safari/537.36" - ], - b"Content-Type": [b"application /x-www-form-urlencoded"], - b"Accept": [ - b"text/html,application/xhtml+xml,application/xml;q=0." - b"9,image/webp,image/apng,*/*;q=0.8" - ], - b"Cache-Control": [b"max-age=0"], - b"Referer": [b"http://httpbin.org/forms/post"], - b"Connection": [b"keep-alive"], - }, + b"&delivery=12%3A15&comments=" ) + assert r.cookies == { + "_gauges_unique_year": "1", + "_gauges_unique": "1", + "_gauges_unique_month": "1", + "_gauges_unique_hour": "1", + "_gauges_unique_day": "1", + } + assert r.headers == { + b"Origin": [b"http://httpbin.org"], + b"Accept-Encoding": [b"gzip, deflate"], + b"Accept-Language": [b"en-US,en;q=0.9,ru;q=0.8,es;q=0.7"], + b"Upgrade-Insecure-Requests": [b"1"], + b"User-Agent": [ + b"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537." + b"36 (KHTML, like Gecko) Ubuntu Chromium/62.0.3202" + b".75 Chrome/62.0.3202.75 Safari/537.36" + ], + b"Content-Type": [b"application /x-www-form-urlencoded"], + b"Accept": [ + b"text/html,application/xhtml+xml,application/xml;q=0." + b"9,image/webp,image/apng,*/*;q=0.8" + ], + b"Cache-Control": [b"max-age=0"], + b"Referer": [b"http://httpbin.org/forms/post"], + b"Connection": [b"keep-alive"], + } def test_from_curl_with_kwargs(self): r = self.request_class.from_curl( 'curl -X PATCH "http://example.org"', method="POST", meta={"key": "value"} ) - self.assertEqual(r.method, "POST") - self.assertEqual(r.meta, {"key": "value"}) + assert r.method == "POST" + assert r.meta == {"key": "value"} def test_from_curl_ignore_unknown_options(self): # By default: it works and ignores the unknown options: --foo and -z @@ -409,7 +401,7 @@ class RequestTest(unittest.TestCase): r = self.request_class.from_curl( 'curl -X DELETE "http://example.org" --foo -z', ) - self.assertEqual(r.method, "DELETE") + assert r.method == "DELETE" # If `ignore_unknown_options` is set to `False` it raises an error with # the unknown options: --foo and -z @@ -420,17 +412,17 @@ class RequestTest(unittest.TestCase): ) -class FormRequestTest(RequestTest): +class TestFormRequest(TestRequest): request_class = FormRequest def assertQueryEqual(self, first, second, msg=None): first = to_unicode(first).split("&") second = to_unicode(second).split("&") - return self.assertEqual(sorted(first), sorted(second), msg) + assert sorted(first) == sorted(second), msg def test_empty_formdata(self): r1 = self.request_class("http://www.example.com", formdata={}) - self.assertEqual(r1.body, b"") + assert r1.body == b"" def test_formdata_overrides_querystring(self): data = (("a", "one"), ("a", "two"), ("b", "2")) @@ -438,69 +430,61 @@ class FormRequestTest(RequestTest): "http://www.example.com/?a=0&b=1&c=3#fragment", method="GET", formdata=data ).url.split("#", maxsplit=1)[0] fs = _qs(self.request_class(url, method="GET", formdata=data)) - self.assertEqual(set(fs[b"a"]), {b"one", b"two"}) - self.assertEqual(fs[b"b"], [b"2"]) - self.assertIsNone(fs.get(b"c")) + assert set(fs[b"a"]) == {b"one", b"two"} + assert fs[b"b"] == [b"2"] + assert fs.get(b"c") is None data = {"a": "1", "b": "2"} fs = _qs( self.request_class("http://www.example.com/", method="GET", formdata=data) ) - self.assertEqual(fs[b"a"], [b"1"]) - self.assertEqual(fs[b"b"], [b"2"]) + assert fs[b"a"] == [b"1"] + assert fs[b"b"] == [b"2"] def test_default_encoding_bytes(self): # using default encoding (utf-8) data = {b"one": b"two", b"price": b"\xc2\xa3 100"} r2 = self.request_class("http://www.example.com", formdata=data) - self.assertEqual(r2.method, "POST") - self.assertEqual(r2.encoding, "utf-8") + assert r2.method == "POST" + assert r2.encoding == "utf-8" self.assertQueryEqual(r2.body, b"price=%C2%A3+100&one=two") - self.assertEqual( - r2.headers[b"Content-Type"], b"application/x-www-form-urlencoded" - ) + assert r2.headers[b"Content-Type"] == b"application/x-www-form-urlencoded" def test_default_encoding_textual_data(self): # using default encoding (utf-8) data = {"µ one": "two", "price": "£ 100"} r2 = self.request_class("http://www.example.com", formdata=data) - self.assertEqual(r2.method, "POST") - self.assertEqual(r2.encoding, "utf-8") + assert r2.method == "POST" + assert r2.encoding == "utf-8" self.assertQueryEqual(r2.body, b"price=%C2%A3+100&%C2%B5+one=two") - self.assertEqual( - r2.headers[b"Content-Type"], b"application/x-www-form-urlencoded" - ) + assert r2.headers[b"Content-Type"] == b"application/x-www-form-urlencoded" def test_default_encoding_mixed_data(self): # using default encoding (utf-8) data = {"\u00b5one": b"two", b"price\xc2\xa3": "\u00a3 100"} r2 = self.request_class("http://www.example.com", formdata=data) - self.assertEqual(r2.method, "POST") - self.assertEqual(r2.encoding, "utf-8") + assert r2.method == "POST" + assert r2.encoding == "utf-8" self.assertQueryEqual(r2.body, b"%C2%B5one=two&price%C2%A3=%C2%A3+100") - self.assertEqual( - r2.headers[b"Content-Type"], b"application/x-www-form-urlencoded" - ) + assert r2.headers[b"Content-Type"] == b"application/x-www-form-urlencoded" def test_custom_encoding_bytes(self): data = {b"\xb5 one": b"two", b"price": b"\xa3 100"} r2 = self.request_class( "http://www.example.com", formdata=data, encoding="latin1" ) - self.assertEqual(r2.method, "POST") - self.assertEqual(r2.encoding, "latin1") + assert r2.method == "POST" + assert r2.encoding == "latin1" self.assertQueryEqual(r2.body, b"price=%A3+100&%B5+one=two") - self.assertEqual( - r2.headers[b"Content-Type"], b"application/x-www-form-urlencoded" - ) + assert r2.headers[b"Content-Type"] == b"application/x-www-form-urlencoded" def test_custom_encoding_textual_data(self): data = {"price": "£ 100"} r3 = self.request_class( "http://www.example.com", formdata=data, encoding="latin1" ) - self.assertEqual(r3.encoding, "latin1") - self.assertEqual(r3.body, b"price=%A3+100") + assert r3.encoding == "latin1" + assert r3.body == b"price=%A3+100" def test_multi_key_values(self): # using multiples values for a single key @@ -523,16 +507,14 @@ class FormRequestTest(RequestTest): response, formdata={"one": ["two", "three"], "six": "seven"} ) - self.assertEqual(req.method, "POST") - self.assertEqual( - req.headers[b"Content-type"], b"application/x-www-form-urlencoded" - ) - self.assertEqual(req.url, "http://www.example.com/this/post.php") + assert req.method == "POST" + assert req.headers[b"Content-type"] == b"application/x-www-form-urlencoded" + assert req.url == "http://www.example.com/this/post.php" fs = _qs(req) - self.assertEqual(set(fs[b"test"]), {b"val1", b"val2"}) - self.assertEqual(set(fs[b"one"]), {b"two", b"three"}) - self.assertEqual(fs[b"test2"], [b"xxx"]) - self.assertEqual(fs[b"six"], [b"seven"]) + assert set(fs[b"test"]) == {b"val1", b"val2"} + assert set(fs[b"one"]) == {b"two", b"three"} + assert fs[b"test2"] == [b"xxx"] + assert fs[b"six"] == [b"seven"] def test_from_response_post_nonascii_bytes_utf8(self): response = _buildresponse( @@ -547,16 +529,14 @@ class FormRequestTest(RequestTest): response, formdata={"one": ["two", "three"], "six": "seven"} ) - self.assertEqual(req.method, "POST") - self.assertEqual( - req.headers[b"Content-type"], b"application/x-www-form-urlencoded" - ) - self.assertEqual(req.url, "http://www.example.com/this/post.php") + assert req.method == "POST" + assert req.headers[b"Content-type"] == b"application/x-www-form-urlencoded" + assert req.url == "http://www.example.com/this/post.php" fs = _qs(req, to_unicode=True) - self.assertEqual(set(fs["test £"]), {"val1", "val2"}) - self.assertEqual(set(fs["one"]), {"two", "three"}) - self.assertEqual(fs["test2"], ["xxx µ"]) - self.assertEqual(fs["six"], ["seven"]) + assert set(fs["test £"]) == {"val1", "val2"} + assert set(fs["one"]) == {"two", "three"} + assert fs["test2"] == ["xxx µ"] + assert fs["six"] == ["seven"] def test_from_response_post_nonascii_bytes_latin1(self): response = _buildresponse( @@ -572,16 +552,14 @@ class FormRequestTest(RequestTest): response, formdata={"one": ["two", "three"], "six": "seven"} ) - self.assertEqual(req.method, "POST") - self.assertEqual( - req.headers[b"Content-type"], b"application/x-www-form-urlencoded" - ) - self.assertEqual(req.url, "http://www.example.com/this/post.php") + assert req.method == "POST" + assert req.headers[b"Content-type"] == b"application/x-www-form-urlencoded" + assert req.url == "http://www.example.com/this/post.php" fs = _qs(req, to_unicode=True, encoding="latin1") - self.assertEqual(set(fs["test £"]), {"val1", "val2"}) - self.assertEqual(set(fs["one"]), {"two", "three"}) - self.assertEqual(fs["test2"], ["xxx µ"]) - self.assertEqual(fs["six"], ["seven"]) + assert set(fs["test £"]) == {"val1", "val2"} + assert set(fs["one"]) == {"two", "three"} + assert fs["test2"] == ["xxx µ"] + assert fs["six"] == ["seven"] def test_from_response_post_nonascii_unicode(self): response = _buildresponse( @@ -596,16 +574,14 @@ class FormRequestTest(RequestTest): response, formdata={"one": ["two", "three"], "six": "seven"} ) - self.assertEqual(req.method, "POST") - self.assertEqual( - req.headers[b"Content-type"], b"application/x-www-form-urlencoded" - ) - self.assertEqual(req.url, "http://www.example.com/this/post.php") + assert req.method == "POST" + assert req.headers[b"Content-type"] == b"application/x-www-form-urlencoded" + assert req.url == "http://www.example.com/this/post.php" fs = _qs(req, to_unicode=True) - self.assertEqual(set(fs["test £"]), {"val1", "val2"}) - self.assertEqual(set(fs["one"]), {"two", "three"}) - self.assertEqual(fs["test2"], ["xxx µ"]) - self.assertEqual(fs["six"], ["seven"]) + assert set(fs["test £"]) == {"val1", "val2"} + assert set(fs["one"]) == {"two", "three"} + assert fs["test2"] == ["xxx µ"] + assert fs["six"] == ["seven"] def test_from_response_duplicate_form_key(self): response = _buildresponse("<form></form>", url="http://www.example.com") @@ -614,8 +590,8 @@ class FormRequestTest(RequestTest): method="GET", formdata=(("foo", "bar"), ("foo", "baz")), ) - self.assertEqual(urlparse_cached(req).hostname, "www.example.com") - self.assertEqual(urlparse_cached(req).query, "foo=bar&foo=baz") + assert urlparse_cached(req).hostname == "www.example.com" + assert urlparse_cached(req).query == "foo=bar&foo=baz" def test_from_response_override_duplicate_form_key(self): response = _buildresponse( @@ -628,8 +604,8 @@ class FormRequestTest(RequestTest): response, formdata=(("two", "2"), ("two", "4")) ) fs = _qs(req) - self.assertEqual(fs[b"one"], [b"1"]) - self.assertEqual(fs[b"two"], [b"2", b"4"]) + assert fs[b"one"] == [b"1"] + assert fs[b"two"] == [b"2", b"4"] def test_from_response_extra_headers(self): response = _buildresponse( @@ -644,11 +620,9 @@ class FormRequestTest(RequestTest): formdata={"one": ["two", "three"], "six": "seven"}, headers={"Accept-Encoding": "gzip,deflate"}, ) - self.assertEqual(req.method, "POST") - self.assertEqual( - req.headers["Content-type"], b"application/x-www-form-urlencoded" - ) - self.assertEqual(req.headers["Accept-Encoding"], b"gzip,deflate") + assert req.method == "POST" + assert req.headers["Content-type"] == b"application/x-www-form-urlencoded" + assert req.headers["Accept-Encoding"] == b"gzip,deflate" def test_from_response_get(self): response = _buildresponse( @@ -662,14 +636,14 @@ class FormRequestTest(RequestTest): r1 = self.request_class.from_response( response, formdata={"one": ["two", "three"], "six": "seven"} ) - self.assertEqual(r1.method, "GET") - self.assertEqual(urlparse_cached(r1).hostname, "www.example.com") - self.assertEqual(urlparse_cached(r1).path, "/this/get.php") + assert r1.method == "GET" + assert urlparse_cached(r1).hostname == "www.example.com" + assert urlparse_cached(r1).path == "/this/get.php" fs = _qs(r1) - self.assertEqual(set(fs[b"test"]), {b"val1", b"val2"}) - self.assertEqual(set(fs[b"one"]), {b"two", b"three"}) - self.assertEqual(fs[b"test2"], [b"xxx"]) - self.assertEqual(fs[b"six"], [b"seven"]) + assert set(fs[b"test"]) == {b"val1", b"val2"} + assert set(fs[b"one"]) == {b"two", b"three"} + assert fs[b"test2"] == [b"xxx"] + assert fs[b"six"] == [b"seven"] def test_from_response_override_params(self): response = _buildresponse( @@ -680,8 +654,8 @@ class FormRequestTest(RequestTest): ) req = self.request_class.from_response(response, formdata={"two": "2"}) fs = _qs(req) - self.assertEqual(fs[b"one"], [b"1"]) - self.assertEqual(fs[b"two"], [b"2"]) + assert fs[b"one"] == [b"1"] + assert fs[b"two"] == [b"2"] def test_from_response_drop_params(self): response = _buildresponse( @@ -692,8 +666,8 @@ class FormRequestTest(RequestTest): ) req = self.request_class.from_response(response, formdata={"two": None}) fs = _qs(req) - self.assertEqual(fs[b"one"], [b"1"]) - self.assertNotIn(b"two", fs) + assert fs[b"one"] == [b"1"] + assert b"two" not in fs def test_from_response_override_method(self): response = _buildresponse( @@ -702,9 +676,9 @@ class FormRequestTest(RequestTest): </body></html>""" ) request = FormRequest.from_response(response) - self.assertEqual(request.method, "GET") + assert request.method == "GET" request = FormRequest.from_response(response, method="POST") - self.assertEqual(request.method, "POST") + assert request.method == "POST" def test_from_response_override_url(self): response = _buildresponse( @@ -713,11 +687,11 @@ class FormRequestTest(RequestTest): </body></html>""" ) request = FormRequest.from_response(response) - self.assertEqual(request.url, "http://example.com/app") + assert request.url == "http://example.com/app" request = FormRequest.from_response(response, url="http://foo.bar/absolute") - self.assertEqual(request.url, "http://foo.bar/absolute") + assert request.url == "http://foo.bar/absolute" request = FormRequest.from_response(response, url="/relative") - self.assertEqual(request.url, "http://example.com/relative") + assert request.url == "http://example.com/relative" def test_from_response_case_insensitive(self): response = _buildresponse( @@ -729,9 +703,9 @@ class FormRequestTest(RequestTest): ) req = self.request_class.from_response(response) fs = _qs(req) - self.assertEqual(fs[b"clickable1"], [b"clicked1"]) - self.assertFalse(b"i1" in fs, fs) # xpath in _get_inputs() - self.assertFalse(b"clickable2" in fs, fs) # xpath in _get_clickable() + assert fs[b"clickable1"] == [b"clicked1"] + assert b"i1" not in fs, fs # xpath in _get_inputs() + assert b"clickable2" not in fs, fs # xpath in _get_clickable() def test_from_response_submit_first_clickable(self): response = _buildresponse( @@ -744,10 +718,10 @@ class FormRequestTest(RequestTest): ) req = self.request_class.from_response(response, formdata={"two": "2"}) fs = _qs(req) - self.assertEqual(fs[b"clickable1"], [b"clicked1"]) - self.assertFalse(b"clickable2" in fs, fs) - self.assertEqual(fs[b"one"], [b"1"]) - self.assertEqual(fs[b"two"], [b"2"]) + assert fs[b"clickable1"] == [b"clicked1"] + assert b"clickable2" not in fs, fs + assert fs[b"one"] == [b"1"] + assert fs[b"two"] == [b"2"] def test_from_response_submit_not_first_clickable(self): response = _buildresponse( @@ -762,10 +736,10 @@ class FormRequestTest(RequestTest): response, formdata={"two": "2"}, clickdata={"name": "clickable2"} ) fs = _qs(req) - self.assertEqual(fs[b"clickable2"], [b"clicked2"]) - self.assertFalse(b"clickable1" in fs, fs) - self.assertEqual(fs[b"one"], [b"1"]) - self.assertEqual(fs[b"two"], [b"2"]) + assert fs[b"clickable2"] == [b"clicked2"] + assert b"clickable1" not in fs, fs + assert fs[b"one"] == [b"1"] + assert fs[b"two"] == [b"2"] def test_from_response_dont_submit_image_as_input(self): response = _buildresponse( @@ -777,7 +751,7 @@ class FormRequestTest(RequestTest): ) req = self.request_class.from_response(response, dont_click=True) fs = _qs(req) - self.assertEqual(fs, {b"i1": [b"i1v"]}) + assert fs == {b"i1": [b"i1v"]} def test_from_response_dont_submit_reset_as_input(self): response = _buildresponse( @@ -790,7 +764,7 @@ class FormRequestTest(RequestTest): ) req = self.request_class.from_response(response, dont_click=True) fs = _qs(req) - self.assertEqual(fs, {b"i1": [b"i1v"], b"i2": [b"i2v"]}) + assert fs == {b"i1": [b"i1v"], b"i2": [b"i2v"]} def test_from_response_clickdata_does_not_ignore_image(self): response = _buildresponse( @@ -801,7 +775,7 @@ class FormRequestTest(RequestTest): ) req = self.request_class.from_response(response) fs = _qs(req) - self.assertEqual(fs, {b"i1": [b"i1v"], b"i2": [b"i2v"]}) + assert fs == {b"i1": [b"i1v"], b"i2": [b"i2v"]} def test_from_response_multiple_clickdata(self): response = _buildresponse( @@ -816,9 +790,9 @@ class FormRequestTest(RequestTest): response, clickdata={"name": "clickable", "value": "clicked2"} ) fs = _qs(req) - self.assertEqual(fs[b"clickable"], [b"clicked2"]) - self.assertEqual(fs[b"one"], [b"clicked1"]) - self.assertEqual(fs[b"two"], [b"clicked2"]) + assert fs[b"clickable"] == [b"clicked2"] + assert fs[b"one"] == [b"clicked1"] + assert fs[b"two"] == [b"clicked2"] def test_from_response_unicode_clickdata(self): response = _buildresponse( @@ -833,7 +807,7 @@ class FormRequestTest(RequestTest): response, clickdata={"name": "price in \u00a3"} ) fs = _qs(req, to_unicode=True) - self.assertTrue(fs["price in \u00a3"]) + assert fs["price in \u00a3"] def test_from_response_unicode_clickdata_latin1(self): response = _buildresponse( @@ -849,7 +823,7 @@ class FormRequestTest(RequestTest): response, clickdata={"name": "price in \u00a5"} ) fs = _qs(req, to_unicode=True, encoding="latin1") - self.assertTrue(fs["price in \u00a5"]) + assert fs["price in \u00a5"] def test_from_response_multiple_forms_clickdata(self): response = _buildresponse( @@ -867,9 +841,9 @@ class FormRequestTest(RequestTest): response, formname="form2", clickdata={"name": "clickable"} ) fs = _qs(req) - self.assertEqual(fs[b"clickable"], [b"clicked2"]) - self.assertEqual(fs[b"field2"], [b"value2"]) - self.assertFalse(b"field1" in fs, fs) + assert fs[b"clickable"] == [b"clicked2"] + assert fs[b"field2"] == [b"value2"] + assert b"field1" not in fs, fs def test_from_response_override_clickable(self): response = _buildresponse( @@ -879,7 +853,7 @@ class FormRequestTest(RequestTest): response, formdata={"clickme": "two"}, clickdata={"name": "clickme"} ) fs = _qs(req) - self.assertEqual(fs[b"clickme"], [b"two"]) + assert fs[b"clickme"] == [b"two"] def test_from_response_dont_click(self): response = _buildresponse( @@ -892,8 +866,8 @@ class FormRequestTest(RequestTest): ) r1 = self.request_class.from_response(response, dont_click=True) fs = _qs(r1) - self.assertFalse(b"clickable1" in fs, fs) - self.assertFalse(b"clickable2" in fs, fs) + assert b"clickable1" not in fs, fs + assert b"clickable2" not in fs, fs def test_from_response_ambiguous_clickdata(self): response = _buildresponse( @@ -934,8 +908,8 @@ class FormRequestTest(RequestTest): ) req = self.request_class.from_response(response, clickdata={"nr": 1}) fs = _qs(req) - self.assertIn(b"clickable2", fs) - self.assertNotIn(b"clickable1", fs) + assert b"clickable2" in fs + assert b"clickable1" not in fs def test_from_response_invalid_nr_index_clickdata(self): response = _buildresponse( @@ -962,7 +936,7 @@ class FormRequestTest(RequestTest): ) req = self.request_class.from_response(response, formdata={"bar": "buz"}) fs = _qs(req) - self.assertEqual(fs, {b"foo": [b"xxx"], b"bar": [b"buz"]}) + assert fs == {b"foo": [b"xxx"], b"bar": [b"buz"]} def test_from_response_errors_formnumber(self): response = _buildresponse( @@ -983,12 +957,10 @@ class FormRequestTest(RequestTest): </form>""" ) r1 = self.request_class.from_response(response, formdata={"two": "3"}) - self.assertEqual(r1.method, "POST") - self.assertEqual( - r1.headers["Content-type"], b"application/x-www-form-urlencoded" - ) + assert r1.method == "POST" + assert r1.headers["Content-type"] == b"application/x-www-form-urlencoded" fs = _qs(r1) - self.assertEqual(fs, {b"one": [b"1"], b"two": [b"3"]}) + assert fs == {b"one": [b"1"], b"two": [b"3"]} def test_from_response_formname_exists(self): response = _buildresponse( @@ -1002,9 +974,9 @@ class FormRequestTest(RequestTest): </form>""" ) r1 = self.request_class.from_response(response, formname="form2") - self.assertEqual(r1.method, "POST") + assert r1.method == "POST" fs = _qs(r1) - self.assertEqual(fs, {b"four": [b"4"], b"three": [b"3"]}) + assert fs == {b"four": [b"4"], b"three": [b"3"]} def test_from_response_formname_nonexistent(self): response = _buildresponse( @@ -1016,9 +988,9 @@ class FormRequestTest(RequestTest): </form>""" ) r1 = self.request_class.from_response(response, formname="form3") - self.assertEqual(r1.method, "POST") + assert r1.method == "POST" fs = _qs(r1) - self.assertEqual(fs, {b"one": [b"1"]}) + assert fs == {b"one": [b"1"]} def test_from_response_formname_errors_formnumber(self): response = _buildresponse( @@ -1044,9 +1016,9 @@ class FormRequestTest(RequestTest): </form>""" ) r1 = self.request_class.from_response(response, formid="form2") - self.assertEqual(r1.method, "POST") + assert r1.method == "POST" fs = _qs(r1) - self.assertEqual(fs, {b"four": [b"4"], b"three": [b"3"]}) + assert fs == {b"four": [b"4"], b"three": [b"3"]} def test_from_response_formname_nonexistent_fallback_formid(self): response = _buildresponse( @@ -1062,9 +1034,9 @@ class FormRequestTest(RequestTest): r1 = self.request_class.from_response( response, formname="form3", formid="form2" ) - self.assertEqual(r1.method, "POST") + assert r1.method == "POST" fs = _qs(r1) - self.assertEqual(fs, {b"four": [b"4"], b"three": [b"3"]}) + assert fs == {b"four": [b"4"], b"three": [b"3"]} def test_from_response_formid_nonexistent(self): response = _buildresponse( @@ -1076,9 +1048,9 @@ class FormRequestTest(RequestTest): </form>""" ) r1 = self.request_class.from_response(response, formid="form3") - self.assertEqual(r1.method, "POST") + assert r1.method == "POST" fs = _qs(r1) - self.assertEqual(fs, {b"one": [b"1"]}) + assert fs == {b"one": [b"1"]} def test_from_response_formid_errors_formnumber(self): response = _buildresponse( @@ -1122,7 +1094,7 @@ class FormRequestTest(RequestTest): ) req = self.request_class.from_response(res) fs = _qs(req, to_unicode=True) - self.assertEqual(fs, {"i1": ["i1v2"], "i2": ["i2v1"], "i4": ["i4v2", "i4v3"]}) + assert fs == {"i1": ["i1v2"], "i2": ["i2v1"], "i4": ["i4v2", "i4v3"]} def test_from_response_radio(self): res = _buildresponse( @@ -1139,7 +1111,7 @@ class FormRequestTest(RequestTest): ) req = self.request_class.from_response(res) fs = _qs(req) - self.assertEqual(fs, {b"i1": [b"iv2"], b"i2": [b"on"]}) + assert fs == {b"i1": [b"iv2"], b"i2": [b"on"]} def test_from_response_checkbox(self): res = _buildresponse( @@ -1156,7 +1128,7 @@ class FormRequestTest(RequestTest): ) req = self.request_class.from_response(res) fs = _qs(req) - self.assertEqual(fs, {b"i1": [b"iv2"], b"i2": [b"on"]}) + assert fs == {b"i1": [b"iv2"], b"i2": [b"on"]} def test_from_response_input_text(self): res = _buildresponse( @@ -1170,7 +1142,7 @@ class FormRequestTest(RequestTest): ) req = self.request_class.from_response(res) fs = _qs(req) - self.assertEqual(fs, {b"i1": [b"i1v1"], b"i2": [b""], b"i4": [b"i4v1"]}) + assert fs == {b"i1": [b"i1v1"], b"i2": [b""], b"i4": [b"i4v1"]} def test_from_response_input_hidden(self): res = _buildresponse( @@ -1183,7 +1155,7 @@ class FormRequestTest(RequestTest): ) req = self.request_class.from_response(res) fs = _qs(req) - self.assertEqual(fs, {b"i1": [b"i1v1"], b"i2": [b""]}) + assert fs == {b"i1": [b"i1v1"], b"i2": [b""]} def test_from_response_input_textarea(self): res = _buildresponse( @@ -1196,7 +1168,7 @@ class FormRequestTest(RequestTest): ) req = self.request_class.from_response(res) fs = _qs(req) - self.assertEqual(fs, {b"i1": [b"i1v"], b"i2": [b""], b"i3": [b""]}) + assert fs == {b"i1": [b"i1v"], b"i2": [b""], b"i3": [b""]} def test_from_response_descendants(self): res = _buildresponse( @@ -1218,7 +1190,7 @@ class FormRequestTest(RequestTest): ) req = self.request_class.from_response(res) fs = _qs(req) - self.assertEqual(set(fs), {b"h2", b"i2", b"i1", b"i3", b"h1", b"i5", b"i4"}) + assert set(fs) == {b"h2", b"i2", b"i1", b"i3", b"h1", b"i5", b"i4"} def test_from_response_xpath(self): response = _buildresponse( @@ -1235,13 +1207,13 @@ class FormRequestTest(RequestTest): response, formxpath="//form[@action='post.php']" ) fs = _qs(r1) - self.assertEqual(fs[b"one"], [b"1"]) + assert fs[b"one"] == [b"1"] r1 = self.request_class.from_response( response, formxpath="//form/input[@name='four']" ) fs = _qs(r1) - self.assertEqual(fs[b"three"], [b"3"]) + assert fs[b"three"] == [b"3"] with pytest.raises(ValueError, match="No <form> element found with"): self.request_class.from_response( @@ -1254,7 +1226,7 @@ class FormRequestTest(RequestTest): response, formxpath="//form[@name='\u044a']" ) fs = _qs(r) - self.assertEqual(fs, {}) + assert not fs xpath = "//form[@name='\u03b1']" with pytest.raises(ValueError, match=re.escape(xpath)): @@ -1270,15 +1242,13 @@ class FormRequestTest(RequestTest): url="http://www.example.com/this/list.html", ) req = self.request_class.from_response(response) - self.assertEqual(req.method, "POST") - self.assertEqual( - req.headers["Content-type"], b"application/x-www-form-urlencoded" - ) - self.assertEqual(req.url, "http://www.example.com/this/post.php") + assert req.method == "POST" + assert req.headers["Content-type"] == b"application/x-www-form-urlencoded" + assert req.url == "http://www.example.com/this/post.php" fs = _qs(req) - self.assertEqual(fs[b"test1"], [b"val1"]) - self.assertEqual(fs[b"test2"], [b"val2"]) - self.assertEqual(fs[b"button1"], [b"submit1"]) + assert fs[b"test1"] == [b"val1"] + assert fs[b"test2"] == [b"val2"] + assert fs[b"button1"] == [b"submit1"] def test_from_response_button_notype(self): response = _buildresponse( @@ -1290,15 +1260,13 @@ class FormRequestTest(RequestTest): url="http://www.example.com/this/list.html", ) req = self.request_class.from_response(response) - self.assertEqual(req.method, "POST") - self.assertEqual( - req.headers["Content-type"], b"application/x-www-form-urlencoded" - ) - self.assertEqual(req.url, "http://www.example.com/this/post.php") + assert req.method == "POST" + assert req.headers["Content-type"] == b"application/x-www-form-urlencoded" + assert req.url == "http://www.example.com/this/post.php" fs = _qs(req) - self.assertEqual(fs[b"test1"], [b"val1"]) - self.assertEqual(fs[b"test2"], [b"val2"]) - self.assertEqual(fs[b"button1"], [b"submit1"]) + assert fs[b"test1"] == [b"val1"] + assert fs[b"test2"] == [b"val2"] + assert fs[b"button1"] == [b"submit1"] def test_from_response_submit_novalue(self): response = _buildresponse( @@ -1310,15 +1278,13 @@ class FormRequestTest(RequestTest): url="http://www.example.com/this/list.html", ) req = self.request_class.from_response(response) - self.assertEqual(req.method, "POST") - self.assertEqual( - req.headers["Content-type"], b"application/x-www-form-urlencoded" - ) - self.assertEqual(req.url, "http://www.example.com/this/post.php") + assert req.method == "POST" + assert req.headers["Content-type"] == b"application/x-www-form-urlencoded" + assert req.url == "http://www.example.com/this/post.php" fs = _qs(req) - self.assertEqual(fs[b"test1"], [b"val1"]) - self.assertEqual(fs[b"test2"], [b"val2"]) - self.assertEqual(fs[b"button1"], [b""]) + assert fs[b"test1"] == [b"val1"] + assert fs[b"test2"] == [b"val2"] + assert fs[b"button1"] == [b""] def test_from_response_button_novalue(self): response = _buildresponse( @@ -1330,15 +1296,13 @@ class FormRequestTest(RequestTest): url="http://www.example.com/this/list.html", ) req = self.request_class.from_response(response) - self.assertEqual(req.method, "POST") - self.assertEqual( - req.headers["Content-type"], b"application/x-www-form-urlencoded" - ) - self.assertEqual(req.url, "http://www.example.com/this/post.php") + assert req.method == "POST" + assert req.headers["Content-type"] == b"application/x-www-form-urlencoded" + assert req.url == "http://www.example.com/this/post.php" fs = _qs(req) - self.assertEqual(fs[b"test1"], [b"val1"]) - self.assertEqual(fs[b"test2"], [b"val2"]) - self.assertEqual(fs[b"button1"], [b""]) + assert fs[b"test1"] == [b"val1"] + assert fs[b"test2"] == [b"val2"] + assert fs[b"button1"] == [b""] def test_html_base_form_action(self): response = _buildresponse( @@ -1356,12 +1320,12 @@ class FormRequestTest(RequestTest): url="http://a.com/", ) req = self.request_class.from_response(response) - self.assertEqual(req.url, "http://b.com/test_form") + assert req.url == "http://b.com/test_form" def test_spaces_in_action(self): resp = _buildresponse('<body><form action=" path\n"></form></body>') req = self.request_class.from_response(resp) - self.assertEqual(req.url, "http://example.com/path") + assert req.url == "http://example.com/path" def test_from_response_css(self): response = _buildresponse( @@ -1378,11 +1342,11 @@ class FormRequestTest(RequestTest): response, formcss="form[action='post.php']" ) fs = _qs(r1) - self.assertEqual(fs[b"one"], [b"1"]) + assert fs[b"one"] == [b"1"] r1 = self.request_class.from_response(response, formcss="input[name='four']") fs = _qs(r1) - self.assertEqual(fs[b"three"], [b"3"]) + assert fs[b"three"] == [b"3"] with pytest.raises(ValueError, match="No <form> element found with"): self.request_class.from_response(response, formcss="input[name='abc']") @@ -1400,7 +1364,7 @@ class FormRequestTest(RequestTest): "</form>" ) r = self.request_class.from_response(response) - self.assertEqual(r.method, expected) + assert r.method == expected def test_form_response_with_invalid_formdata_type_error(self): """Test that a ValueError is raised for non-iterable and non-dict formdata input""" @@ -1464,23 +1428,20 @@ def _qs(req, encoding="utf-8", to_unicode=False): return parse_qs(uqs, True) -class XmlRpcRequestTest(RequestTest): +class TestXmlRpcRequest(TestRequest): request_class = XmlRpcRequest default_method = "POST" default_headers = {b"Content-Type": [b"text/xml"]} def _test_request(self, **kwargs): r = self.request_class("http://scrapytest.org/rpc2", **kwargs) - self.assertEqual(r.headers[b"Content-Type"], b"text/xml") - self.assertEqual( - r.body, - to_bytes( - xmlrpc.client.dumps(**kwargs), encoding=kwargs.get("encoding", "utf-8") - ), + assert r.headers[b"Content-Type"] == b"text/xml" + assert r.body == to_bytes( + xmlrpc.client.dumps(**kwargs), encoding=kwargs.get("encoding", "utf-8") ) - self.assertEqual(r.method, "POST") - self.assertEqual(r.encoding, kwargs.get("encoding", "utf-8")) - self.assertTrue(r.dont_filter, True) + assert r.method == "POST" + assert r.encoding == kwargs.get("encoding", "utf-8") + assert r.dont_filter, True def test_xmlrpc_dumps(self): self._test_request(params=("value",)) @@ -1497,7 +1458,7 @@ class XmlRpcRequestTest(RequestTest): self._test_request(params=("pas£",), encoding="latin1") -class JsonRequestTest(RequestTest): +class TestJsonRequest(TestRequest): request_class = JsonRequest default_method = "GET" default_headers = { @@ -1505,49 +1466,51 @@ class JsonRequestTest(RequestTest): b"Accept": [b"application/json, text/javascript, */*; q=0.01"], } - def setUp(self): + def setup_method(self): warnings.simplefilter("always") - super().setUp() + + def teardown_method(self): + warnings.resetwarnings() def test_data(self): r1 = self.request_class(url="http://www.example.com/") - self.assertEqual(r1.body, b"") + assert r1.body == b"" body = b"body" r2 = self.request_class(url="http://www.example.com/", body=body) - self.assertEqual(r2.body, body) + assert r2.body == body data = { "name": "value", } r3 = self.request_class(url="http://www.example.com/", data=data) - self.assertEqual(r3.body, to_bytes(json.dumps(data))) + assert r3.body == to_bytes(json.dumps(data)) # empty data r4 = self.request_class(url="http://www.example.com/", data=[]) - self.assertEqual(r4.body, to_bytes(json.dumps([]))) + assert r4.body == to_bytes(json.dumps([])) def test_data_method(self): # data is not passed r1 = self.request_class(url="http://www.example.com/") - self.assertEqual(r1.method, "GET") + assert r1.method == "GET" body = b"body" r2 = self.request_class(url="http://www.example.com/", body=body) - self.assertEqual(r2.method, "GET") + assert r2.method == "GET" data = { "name": "value", } r3 = self.request_class(url="http://www.example.com/", data=data) - self.assertEqual(r3.method, "POST") + assert r3.method == "POST" # method passed explicitly r4 = self.request_class(url="http://www.example.com/", data=data, method="GET") - self.assertEqual(r4.method, "GET") + assert r4.method == "GET" r5 = self.request_class(url="http://www.example.com/", data=[]) - self.assertEqual(r5.method, "POST") + assert r5.method == "POST" def test_body_data(self): """passing both body and data should result a warning""" @@ -1557,10 +1520,10 @@ class JsonRequestTest(RequestTest): } with warnings.catch_warnings(record=True) as _warnings: r5 = self.request_class(url="http://www.example.com/", body=body, data=data) - self.assertEqual(r5.body, body) - self.assertEqual(r5.method, "GET") - self.assertEqual(len(_warnings), 1) - self.assertIn("data will be ignored", str(_warnings[0].message)) + assert r5.body == body + assert r5.method == "GET" + assert len(_warnings) == 1 + assert "data will be ignored" in str(_warnings[0].message) def test_empty_body_data(self): """passing any body value and data should result a warning""" @@ -1569,10 +1532,10 @@ class JsonRequestTest(RequestTest): } with warnings.catch_warnings(record=True) as _warnings: r6 = self.request_class(url="http://www.example.com/", body=b"", data=data) - self.assertEqual(r6.body, b"") - self.assertEqual(r6.method, "GET") - self.assertEqual(len(_warnings), 1) - self.assertIn("data will be ignored", str(_warnings[0].message)) + assert r6.body == b"" + assert r6.method == "GET" + assert len(_warnings) == 1 + assert "data will be ignored" in str(_warnings[0].message) def test_body_none_data(self): data = { @@ -1580,15 +1543,15 @@ class JsonRequestTest(RequestTest): } with warnings.catch_warnings(record=True) as _warnings: r7 = self.request_class(url="http://www.example.com/", body=None, data=data) - self.assertEqual(r7.body, to_bytes(json.dumps(data))) - self.assertEqual(r7.method, "POST") - self.assertEqual(len(_warnings), 0) + assert r7.body == to_bytes(json.dumps(data)) + assert r7.method == "POST" + assert len(_warnings) == 0 def test_body_data_none(self): with warnings.catch_warnings(record=True) as _warnings: r8 = self.request_class(url="http://www.example.com/", body=None, data=None) - self.assertEqual(r8.method, "GET") - self.assertEqual(len(_warnings), 0) + assert r8.method == "GET" + assert len(_warnings) == 0 def test_dumps_sort_keys(self): """Test that sort_keys=True is passed to json.dumps by default""" @@ -1598,7 +1561,7 @@ class JsonRequestTest(RequestTest): with mock.patch("json.dumps", return_value=b"") as mock_dumps: self.request_class(url="http://www.example.com/", data=data) kwargs = mock_dumps.call_args[1] - self.assertEqual(kwargs["sort_keys"], True) + assert kwargs["sort_keys"] is True def test_dumps_kwargs(self): """Test that dumps_kwargs are passed to json.dumps""" @@ -1614,8 +1577,8 @@ class JsonRequestTest(RequestTest): url="http://www.example.com/", data=data, dumps_kwargs=dumps_kwargs ) kwargs = mock_dumps.call_args[1] - self.assertEqual(kwargs["ensure_ascii"], True) - self.assertEqual(kwargs["allow_nan"], True) + assert kwargs["ensure_ascii"] is True + assert kwargs["allow_nan"] is True def test_replace_data(self): data1 = { @@ -1626,7 +1589,7 @@ class JsonRequestTest(RequestTest): } r1 = self.request_class(url="http://www.example.com/", data=data1) r2 = r1.replace(data=data2) - self.assertEqual(r2.body, to_bytes(json.dumps(data2))) + assert r2.body == to_bytes(json.dumps(data2)) def test_replace_sort_keys(self): """Test that replace provides sort_keys=True to json.dumps""" @@ -1640,7 +1603,7 @@ class JsonRequestTest(RequestTest): with mock.patch("json.dumps", return_value=b"") as mock_dumps: r1.replace(data=data2) kwargs = mock_dumps.call_args[1] - self.assertEqual(kwargs["sort_keys"], True) + assert kwargs["sort_keys"] is True def test_replace_dumps_kwargs(self): """Test that dumps_kwargs are provided to json.dumps when replace is called""" @@ -1660,8 +1623,8 @@ class JsonRequestTest(RequestTest): with mock.patch("json.dumps", return_value=b"") as mock_dumps: r1.replace(data=data2) kwargs = mock_dumps.call_args[1] - self.assertEqual(kwargs["ensure_ascii"], True) - self.assertEqual(kwargs["allow_nan"], True) + assert kwargs["ensure_ascii"] is True + assert kwargs["allow_nan"] is True def test_replacement_both_body_and_data_warns(self): """Test that we get a warning if both body and data are passed""" @@ -1677,11 +1640,6 @@ class JsonRequestTest(RequestTest): with warnings.catch_warnings(record=True) as _warnings: r1.replace(data=data2, body=body2) - self.assertIn( - "Both body and data passed. data will be ignored", - str(_warnings[0].message), + assert "Both body and data passed. data will be ignored" in str( + _warnings[0].message ) - - def tearDown(self): - warnings.resetwarnings() - super().tearDown() diff --git a/tests/test_http_response.py b/tests/test_http_response.py index 5a943f084..fdef5adea 100644 --- a/tests/test_http_response.py +++ b/tests/test_http_response.py @@ -1,5 +1,4 @@ import codecs -import unittest from unittest import mock import pytest @@ -22,62 +21,56 @@ from scrapy.utils.python import to_unicode from tests import get_testdata -class BaseResponseTest(unittest.TestCase): +class TestResponseBase: response_class = Response def test_init(self): # Response requires url in the constructor with pytest.raises(TypeError): self.response_class() - self.assertTrue( - isinstance(self.response_class("http://example.com/"), self.response_class) + assert isinstance( + self.response_class("http://example.com/"), self.response_class ) with pytest.raises(TypeError): self.response_class(b"http://example.com") with pytest.raises(TypeError): self.response_class(url="http://example.com", body={}) # body can be str or None - self.assertTrue( - isinstance( - self.response_class("http://example.com/", body=b""), - self.response_class, - ) + assert isinstance( + self.response_class("http://example.com/", body=b""), + self.response_class, ) - self.assertTrue( - isinstance( - self.response_class("http://example.com/", body=b"body"), - self.response_class, - ) + assert isinstance( + self.response_class("http://example.com/", body=b"body"), + self.response_class, ) # test presence of all optional parameters - self.assertTrue( - isinstance( - self.response_class( - "http://example.com/", body=b"", headers={}, status=200 - ), - self.response_class, - ) + assert isinstance( + self.response_class( + "http://example.com/", body=b"", headers={}, status=200 + ), + self.response_class, ) r = self.response_class("http://www.example.com") assert isinstance(r.url, str) - self.assertEqual(r.url, "http://www.example.com") - self.assertEqual(r.status, 200) + assert r.url == "http://www.example.com" + assert r.status == 200 assert isinstance(r.headers, Headers) - self.assertEqual(r.headers, {}) + assert not r.headers headers = {"foo": "bar"} body = b"a body" r = self.response_class("http://www.example.com", headers=headers, body=body) assert r.headers is not headers - self.assertEqual(r.headers[b"foo"], b"bar") + assert r.headers[b"foo"] == b"bar" r = self.response_class("http://www.example.com", status=301) - self.assertEqual(r.status, 301) + assert r.status == 301 r = self.response_class("http://www.example.com", status="301") - self.assertEqual(r.status, 301) + assert r.status == 301 with pytest.raises(ValueError, match=r"invalid literal for int\(\)"): self.response_class("http://example.com", status="lala200") @@ -88,18 +81,18 @@ class BaseResponseTest(unittest.TestCase): r1.flags.append("cached") r2 = r1.copy() - self.assertEqual(r1.status, r2.status) - self.assertEqual(r1.body, r2.body) + assert r1.status == r2.status + assert r1.body == r2.body # make sure flags list is shallow copied assert r1.flags is not r2.flags, "flags must be a shallow copy, not identical" - self.assertEqual(r1.flags, r2.flags) + assert r1.flags == r2.flags # make sure headers attribute is shallow copied assert r1.headers is not r2.headers, ( "headers must be a shallow copy, not identical" ) - self.assertEqual(r1.headers, r2.headers) + assert r1.headers == r2.headers def test_copy_meta(self): req = Request("http://www.example.com") @@ -144,16 +137,16 @@ class BaseResponseTest(unittest.TestCase): r1 = self.response_class("http://www.example.com") r2 = r1.replace(status=301, body=b"New body", headers=hdrs) assert r1.body == b"" - self.assertEqual(r1.url, r2.url) - self.assertEqual((r1.status, r2.status), (200, 301)) - self.assertEqual((r1.body, r2.body), (b"", b"New body")) - self.assertEqual((r1.headers, r2.headers), ({}, hdrs)) + assert r1.url == r2.url + assert (r1.status, r2.status) == (200, 301) + assert (r1.body, r2.body) == (b"", b"New body") + assert (r1.headers, r2.headers) == ({}, hdrs) # Empty attributes (which may fail if not compared properly) r3 = self.response_class("http://www.example.com", flags=["cached"]) r4 = r3.replace(body=b"", flags=[]) - self.assertEqual(r4.body, b"") - self.assertEqual(r4.flags, []) + assert r4.body == b"" + assert not r4.flags def _assert_response_values(self, response, encoding, body): if isinstance(body, str): @@ -166,11 +159,11 @@ class BaseResponseTest(unittest.TestCase): assert isinstance(response.body, bytes) assert isinstance(response.text, str) self._assert_response_encoding(response, encoding) - self.assertEqual(response.body, body_bytes) - self.assertEqual(response.text, body_unicode) + assert response.body == body_bytes + assert response.text == body_unicode def _assert_response_encoding(self, response, encoding): - self.assertEqual(response.encoding, resolve_encoding(encoding)) + assert response.encoding == resolve_encoding(encoding) def test_immutable_attributes(self): r = self.response_class("http://example.com") @@ -183,7 +176,7 @@ class BaseResponseTest(unittest.TestCase): """Test urljoin shortcut (only for existence, since behavior equals urljoin)""" joined = self.response_class("http://www.example.com").urljoin("/test") absolute = "http://www.example.com/test" - self.assertEqual(joined, absolute) + assert joined == absolute def test_shortcut_attributes(self): r = self.response_class("http://example.com", body=b"hello") @@ -241,7 +234,7 @@ class BaseResponseTest(unittest.TestCase): def test_follow_flags(self): res = self.response_class("http://example.com/") fol = res.follow("http://example.com/", flags=["cached", "allowed"]) - self.assertEqual(fol.flags, ["cached", "allowed"]) + assert fol.flags == ["cached", "allowed"] # Response.follow_all @@ -276,7 +269,7 @@ class BaseResponseTest(unittest.TestCase): def test_follow_all_empty(self): r = self.response_class("http://example.com") - self.assertEqual([], list(r.follow_all([]))) + assert not list(r.follow_all([])) def test_follow_all_invalid(self): r = self.response_class("http://example.com") @@ -327,13 +320,13 @@ class BaseResponseTest(unittest.TestCase): ] fol = re.follow_all(urls, flags=["cached", "allowed"]) for req in fol: - self.assertEqual(req.flags, ["cached", "allowed"]) + assert req.flags == ["cached", "allowed"] def _assert_followed_url(self, follow_obj, target_url, response=None): if response is None: response = self._links_response() req = response.follow(follow_obj) - self.assertEqual(req.url, target_url) + assert req.url == target_url return req def _assert_followed_all_urls(self, follow_obj, target_urls, response=None): @@ -341,7 +334,7 @@ class BaseResponseTest(unittest.TestCase): response = self._links_response() followed = response.follow_all(follow_obj) for req, target in zip(followed, target_urls): - self.assertEqual(req.url, target) + assert req.url == target yield req def _links_response(self): @@ -353,7 +346,7 @@ class BaseResponseTest(unittest.TestCase): return self.response_class("http://example.com/index", body=body) -class TextResponseTest(BaseResponseTest): +class TestTextResponse(TestResponseBase): response_class = TextResponse def test_replace(self): @@ -365,10 +358,10 @@ class TextResponseTest(BaseResponseTest): r3 = r1.replace(url="http://www.example.com/other", encoding="latin1") assert isinstance(r2, self.response_class) - self.assertEqual(r2.url, "http://www.example.com/other") + assert r2.url == "http://www.example.com/other" self._assert_response_encoding(r2, "cp852") - self.assertEqual(r3.url, "http://www.example.com/other") - self.assertEqual(r3._declared_encoding(), "latin1") + assert r3.url == "http://www.example.com/other" + assert r3._declared_encoding() == "latin1" def test_unicode_url(self): # instantiate with unicode url without encoding (should set default encoding) @@ -382,21 +375,21 @@ class TextResponseTest(BaseResponseTest): resp = self.response_class( url="http://www.example.com/price/\xa3", encoding="utf-8" ) - self.assertEqual(resp.url, to_unicode(b"http://www.example.com/price/\xc2\xa3")) + assert resp.url == to_unicode(b"http://www.example.com/price/\xc2\xa3") resp = self.response_class( url="http://www.example.com/price/\xa3", encoding="latin-1" ) - self.assertEqual(resp.url, "http://www.example.com/price/\xa3") + assert resp.url == "http://www.example.com/price/\xa3" resp = self.response_class( "http://www.example.com/price/\xa3", headers={"Content-type": ["text/html; charset=utf-8"]}, ) - self.assertEqual(resp.url, to_unicode(b"http://www.example.com/price/\xc2\xa3")) + assert resp.url == to_unicode(b"http://www.example.com/price/\xc2\xa3") resp = self.response_class( "http://www.example.com/price/\xa3", headers={"Content-type": ["text/html; charset=iso-8859-1"]}, ) - self.assertEqual(resp.url, "http://www.example.com/price/\xa3") + assert resp.url == "http://www.example.com/price/\xa3" def test_unicode_body(self): unicode_string = ( @@ -412,8 +405,8 @@ class TextResponseTest(BaseResponseTest): ) # check response.text - self.assertTrue(isinstance(r1.text, str)) - self.assertEqual(r1.text, unicode_string) + assert isinstance(r1.text, str) + assert r1.text == unicode_string def test_encoding(self): r1 = self.response_class( @@ -458,18 +451,18 @@ class TextResponseTest(BaseResponseTest): }, ) - self.assertEqual(r1._headers_encoding(), "utf-8") - self.assertEqual(r2._headers_encoding(), None) - self.assertEqual(r2._declared_encoding(), "utf-8") + assert r1._headers_encoding() == "utf-8" + assert r2._headers_encoding() is None + assert r2._declared_encoding() == "utf-8" self._assert_response_encoding(r2, "utf-8") - self.assertEqual(r3._headers_encoding(), "cp1252") - self.assertEqual(r3._declared_encoding(), "cp1252") - self.assertEqual(r4._headers_encoding(), None) - self.assertEqual(r5._headers_encoding(), None) - self.assertEqual(r8._headers_encoding(), "cp1251") - self.assertEqual(r9._headers_encoding(), None) - self.assertEqual(r8._declared_encoding(), "utf-8") - self.assertEqual(r9._declared_encoding(), None) + assert r3._headers_encoding() == "cp1252" + assert r3._declared_encoding() == "cp1252" + assert r4._headers_encoding() is None + assert r5._headers_encoding() is None + assert r8._headers_encoding() == "cp1251" + assert r9._headers_encoding() is None + assert r8._declared_encoding() == "utf-8" + assert r9._declared_encoding() is None self._assert_response_encoding(r5, "utf-8") self._assert_response_encoding(r8, "utf-8") self._assert_response_encoding(r9, "cp1252") @@ -493,7 +486,7 @@ class TextResponseTest(BaseResponseTest): headers={"Content-type": ["text/html; charset=UNKNOWN"]}, body=b"\xc2\xa3", ) - self.assertEqual(r._declared_encoding(), None) + assert r._declared_encoding() is None self._assert_response_values(r, "utf-8", "\xa3") def test_utf16(self): @@ -511,14 +504,11 @@ class TextResponseTest(BaseResponseTest): headers={"Content-type": ["text/html; charset=utf-8"]}, body=b"\xef\xbb\xbfWORD\xe3\xab", ) - self.assertEqual(r6.encoding, "utf-8") - self.assertIn( - r6.text, - { - "WORD\ufffd\ufffd", # w3lib < 1.19.0 - "WORD\ufffd", # w3lib >= 1.19.0 - }, - ) + assert r6.encoding == "utf-8" + assert r6.text in { + "WORD\ufffd\ufffd", # w3lib < 1.19.0 + "WORD\ufffd", # w3lib >= 1.19.0 + } def test_bom_is_removed_from_body(self): # Inferring encoding from body also cache decoded body as sideeffect, @@ -532,21 +522,21 @@ class TextResponseTest(BaseResponseTest): # Test response without content-type and BOM encoding response = self.response_class(url, body=body) - self.assertEqual(response.encoding, "utf-8") - self.assertEqual(response.text, "WORD") + assert response.encoding == "utf-8" + assert response.text == "WORD" response = self.response_class(url, body=body) - self.assertEqual(response.text, "WORD") - self.assertEqual(response.encoding, "utf-8") + assert response.text == "WORD" + assert response.encoding == "utf-8" # Body caching sideeffect isn't triggered when encoding is declared in # content-type header but BOM still need to be removed from decoded # body response = self.response_class(url, headers=headers, body=body) - self.assertEqual(response.encoding, "utf-8") - self.assertEqual(response.text, "WORD") + assert response.encoding == "utf-8" + assert response.text == "WORD" response = self.response_class(url, headers=headers, body=body) - self.assertEqual(response.text, "WORD") - self.assertEqual(response.encoding, "utf-8") + assert response.text == "WORD" + assert response.encoding == "utf-8" def test_replace_wrong_encoding(self): """Test invalid chars are replaced properly""" @@ -577,49 +567,47 @@ class TextResponseTest(BaseResponseTest): body = b"<html><head><title>Some page" response = self.response_class("http://www.example.com", body=body) - self.assertIsInstance(response.selector, Selector) - self.assertEqual(response.selector.type, "html") - self.assertIs(response.selector, response.selector) # property is cached - self.assertIs(response.selector.response, response) + assert isinstance(response.selector, Selector) + assert response.selector.type == "html" + assert response.selector is response.selector # property is cached + assert response.selector.response is response - self.assertEqual( - response.selector.xpath("//title/text()").getall(), ["Some page"] - ) - self.assertEqual(response.selector.css("title::text").getall(), ["Some page"]) - self.assertEqual(response.selector.re("Some (.*)"), ["page"]) + assert response.selector.xpath("//title/text()").getall() == ["Some page"] + assert response.selector.css("title::text").getall() == ["Some page"] + assert response.selector.re("Some (.*)") == ["page"] def test_selector_shortcuts(self): body = b"Some page" response = self.response_class("http://www.example.com", body=body) - self.assertEqual( - response.xpath("//title/text()").getall(), - response.selector.xpath("//title/text()").getall(), + assert ( + response.xpath("//title/text()").getall() + == response.selector.xpath("//title/text()").getall() ) - self.assertEqual( - response.css("title::text").getall(), - response.selector.css("title::text").getall(), + assert ( + response.css("title::text").getall() + == response.selector.css("title::text").getall() ) def test_selector_shortcuts_kwargs(self): body = b'Some page

A nice paragraph.

' response = self.response_class("http://www.example.com", body=body) - self.assertEqual( + assert ( response.xpath( "normalize-space(//p[@class=$pclass])", pclass="content" - ).getall(), - response.xpath('normalize-space(//p[@class="content"])').getall(), + ).getall() + == response.xpath('normalize-space(//p[@class="content"])').getall() ) - self.assertEqual( + assert ( response.xpath( "//title[count(following::p[@class=$pclass])=$pcount]/text()", pclass="content", pcount=1, - ).getall(), - response.xpath( + ).getall() + == response.xpath( '//title[count(following::p[@class="content"])=1]/text()' - ).getall(), + ).getall() ) def test_urljoin_with_base_url(self): @@ -629,21 +617,21 @@ class TextResponseTest(BaseResponseTest): "/test" ) absolute = "https://example.net/test" - self.assertEqual(joined, absolute) + assert joined == absolute body = b'' joined = self.response_class("http://www.example.com", body=body).urljoin( "test" ) absolute = "http://www.example.com/test" - self.assertEqual(joined, absolute) + assert joined == absolute body = b'' joined = self.response_class("http://www.example.com", body=body).urljoin( "test" ) absolute = "http://www.example.com/elsewhere/test" - self.assertEqual(joined, absolute) + assert joined == absolute def test_follow_selector(self): resp = self._links_response() @@ -728,7 +716,7 @@ class TextResponseTest(BaseResponseTest): "http://example.com/foo?%D0%BF%D1%80%D0%B8%D0%B2%D0%B5%D1%82", response=resp1, ) - self.assertEqual(req.encoding, "utf8") + assert req.encoding == "utf8" resp2 = self.response_class( "http://example.com", @@ -742,12 +730,12 @@ class TextResponseTest(BaseResponseTest): "http://example.com/foo?%EF%F0%E8%E2%E5%F2", response=resp2, ) - self.assertEqual(req.encoding, "cp1251") + assert req.encoding == "cp1251" def test_follow_flags(self): res = self.response_class("http://example.com/") fol = res.follow("http://example.com/", flags=["cached", "allowed"]) - self.assertEqual(fol.flags, ["cached", "allowed"]) + assert fol.flags == ["cached", "allowed"] def test_follow_all_flags(self): re = self.response_class("http://www.example.com/") @@ -758,7 +746,7 @@ class TextResponseTest(BaseResponseTest): ] fol = re.follow_all(urls, flags=["cached", "allowed"]) for req in fol: - self.assertEqual(req.flags, ["cached", "allowed"]) + assert req.flags == ["cached", "allowed"] def test_follow_all_css(self): expected = [ @@ -767,7 +755,7 @@ class TextResponseTest(BaseResponseTest): ] response = self._links_response() extracted = [r.url for r in response.follow_all(css='a[href*="example.com"]')] - self.assertEqual(expected, extracted) + assert expected == extracted def test_follow_all_css_skip_invalid(self): expected = [ @@ -777,9 +765,9 @@ class TextResponseTest(BaseResponseTest): ] response = self._links_response_no_href() extracted1 = [r.url for r in response.follow_all(css=".pagination a")] - self.assertEqual(expected, extracted1) + assert expected == extracted1 extracted2 = [r.url for r in response.follow_all(response.css(".pagination a"))] - self.assertEqual(expected, extracted2) + assert expected == extracted2 def test_follow_all_xpath(self): expected = [ @@ -788,7 +776,7 @@ class TextResponseTest(BaseResponseTest): ] response = self._links_response() extracted = response.follow_all(xpath='//a[contains(@href, "example.com")]') - self.assertEqual(expected, [r.url for r in extracted]) + assert expected == [r.url for r in extracted] def test_follow_all_xpath_skip_invalid(self): expected = [ @@ -800,12 +788,12 @@ class TextResponseTest(BaseResponseTest): extracted1 = [ r.url for r in response.follow_all(xpath='//div[@id="pagination"]/a') ] - self.assertEqual(expected, extracted1) + assert expected == extracted1 extracted2 = [ r.url for r in response.follow_all(response.xpath('//div[@id="pagination"]/a')) ] - self.assertEqual(expected, extracted2) + assert expected == extracted2 def test_follow_all_too_many_arguments(self): response = self._links_response() @@ -820,7 +808,7 @@ class TextResponseTest(BaseResponseTest): def test_json_response(self): json_body = b"""{"ip": "109.187.217.200"}""" json_response = self.response_class("http://www.example.com", body=json_body) - self.assertEqual(json_response.json(), {"ip": "109.187.217.200"}) + assert json_response.json() == {"ip": "109.187.217.200"} text_body = b"""text""" text_response = self.response_class("http://www.example.com", body=text_body) @@ -842,7 +830,7 @@ class TextResponseTest(BaseResponseTest): mock_json.assert_called_once_with(json_body) -class HtmlResponseTest(TextResponseTest): +class TestHtmlResponse(TestTextResponse): response_class = HtmlResponse def test_html_encoding(self): @@ -883,7 +871,7 @@ class HtmlResponseTest(TextResponseTest): self._assert_response_values(r1, "gb2312", body) -class XmlResponseTest(TextResponseTest): +class TestXmlResponse(TestTextResponse): response_class = XmlResponse def test_xml_encoding(self): @@ -917,20 +905,20 @@ class XmlResponseTest(TextResponseTest): body = b'value' response = self.response_class("http://www.example.com", body=body) - self.assertIsInstance(response.selector, Selector) - self.assertEqual(response.selector.type, "xml") - self.assertIs(response.selector, response.selector) # property is cached - self.assertIs(response.selector.response, response) + assert isinstance(response.selector, Selector) + assert response.selector.type == "xml" + assert response.selector is response.selector # property is cached + assert response.selector.response is response - self.assertEqual(response.selector.xpath("//elem/text()").getall(), ["value"]) + assert response.selector.xpath("//elem/text()").getall() == ["value"] def test_selector_shortcuts(self): body = b'value' response = self.response_class("http://www.example.com", body=body) - self.assertEqual( - response.xpath("//elem/text()").getall(), - response.selector.xpath("//elem/text()").getall(), + assert ( + response.xpath("//elem/text()").getall() + == response.selector.xpath("//elem/text()").getall() ) def test_selector_shortcuts_kwargs(self): @@ -940,21 +928,21 @@ class XmlResponseTest(TextResponseTest): """ response = self.response_class("http://www.example.com", body=body) - self.assertEqual( + assert ( response.xpath( "//s:elem/text()", namespaces={"s": "http://scrapy.org"} - ).getall(), - response.selector.xpath( + ).getall() + == response.selector.xpath( "//s:elem/text()", namespaces={"s": "http://scrapy.org"} - ).getall(), + ).getall() ) response.selector.register_namespace("s2", "http://scrapy.org") - self.assertEqual( + assert ( response.xpath( "//s1:elem/text()", namespaces={"s1": "http://scrapy.org"} - ).getall(), - response.selector.xpath("//s2:elem/text()").getall(), + ).getall() + == response.selector.xpath("//s2:elem/text()").getall() ) @@ -968,7 +956,7 @@ class CustomResponse(TextResponse): super().__init__(*args, **kwargs) -class CustomResponseTest(TextResponseTest): +class TestCustomResponse(TestTextResponse): response_class = CustomResponse def test_copy(self): @@ -981,11 +969,11 @@ class CustomResponseTest(TextResponseTest): lost="lost", ) r2 = r1.copy() - self.assertIsInstance(r2, self.response_class) - self.assertEqual(r1.foo, r2.foo) - self.assertEqual(r1.bar, r2.bar) - self.assertEqual(r1.lost, "lost") - self.assertIsNone(r2.lost) + assert isinstance(r2, self.response_class) + assert r1.foo == r2.foo + assert r1.bar == r2.bar + assert r1.lost == "lost" + assert r2.lost is None def test_replace(self): super().test_replace() @@ -998,31 +986,31 @@ class CustomResponseTest(TextResponseTest): ) r2 = r1.replace(foo="new-foo", bar="new-bar", lost="new-lost") - self.assertIsInstance(r2, self.response_class) - self.assertEqual(r1.foo, "foo") - self.assertEqual(r1.bar, "bar") - self.assertEqual(r1.lost, "lost") - self.assertEqual(r2.foo, "new-foo") - self.assertEqual(r2.bar, "new-bar") - self.assertEqual(r2.lost, "new-lost") + assert isinstance(r2, self.response_class) + assert r1.foo == "foo" + assert r1.bar == "bar" + assert r1.lost == "lost" + assert r2.foo == "new-foo" + assert r2.bar == "new-bar" + assert r2.lost == "new-lost" r3 = r1.replace(foo="new-foo", bar="new-bar") - self.assertIsInstance(r3, self.response_class) - self.assertEqual(r1.foo, "foo") - self.assertEqual(r1.bar, "bar") - self.assertEqual(r1.lost, "lost") - self.assertEqual(r3.foo, "new-foo") - self.assertEqual(r3.bar, "new-bar") - self.assertIsNone(r3.lost) + assert isinstance(r3, self.response_class) + assert r1.foo == "foo" + assert r1.bar == "bar" + assert r1.lost == "lost" + assert r3.foo == "new-foo" + assert r3.bar == "new-bar" + assert r3.lost is None r4 = r1.replace(foo="new-foo") - self.assertIsInstance(r4, self.response_class) - self.assertEqual(r1.foo, "foo") - self.assertEqual(r1.bar, "bar") - self.assertEqual(r1.lost, "lost") - self.assertEqual(r4.foo, "new-foo") - self.assertEqual(r4.bar, "bar") - self.assertIsNone(r4.lost) + assert isinstance(r4, self.response_class) + assert r1.foo == "foo" + assert r1.bar == "bar" + assert r1.lost == "lost" + assert r4.foo == "new-foo" + assert r4.bar == "bar" + assert r4.lost is None with pytest.raises( TypeError, diff --git a/tests/test_loader.py b/tests/test_loader.py index 1a933bb8d..224158e7f 100644 --- a/tests/test_loader.py +++ b/tests/test_loader.py @@ -1,7 +1,6 @@ from __future__ import annotations import dataclasses -import unittest import attr import pytest @@ -67,7 +66,7 @@ def processor_with_args(value, other=None, loader_context=None): return value -class BasicItemLoaderTest(unittest.TestCase): +class TestBasicItemLoader: def test_add_value_on_unknown_field(self): il = ProcessorItemLoader() with pytest.raises(KeyError): @@ -80,14 +79,14 @@ class BasicItemLoaderTest(unittest.TestCase): il.add_value("name", "marta") item = il.load_item() assert item is i - self.assertEqual(item["summary"], ["lala"]) - self.assertEqual(item["name"], ["marta"]) + assert item["summary"] == ["lala"] + assert item["name"] == ["marta"] def test_load_item_using_custom_loader(self): il = ProcessorItemLoader() il.add_value("name", "marta") item = il.load_item() - self.assertEqual(item["name"], ["Marta"]) + assert item["name"] == ["Marta"] class InitializationTestMixin: @@ -98,16 +97,16 @@ class InitializationTestMixin: input_item = self.item_class(name="foo") il = ItemLoader(item=input_item) loaded_item = il.load_item() - self.assertIsInstance(loaded_item, self.item_class) - self.assertEqual(ItemAdapter(loaded_item).asdict(), {"name": ["foo"]}) + assert isinstance(loaded_item, self.item_class) + assert ItemAdapter(loaded_item).asdict() == {"name": ["foo"]} def test_keep_list(self): """Loaded item should contain values from the initial item""" input_item = self.item_class(name=["foo", "bar"]) il = ItemLoader(item=input_item) loaded_item = il.load_item() - self.assertIsInstance(loaded_item, self.item_class) - self.assertEqual(ItemAdapter(loaded_item).asdict(), {"name": ["foo", "bar"]}) + assert isinstance(loaded_item, self.item_class) + assert ItemAdapter(loaded_item).asdict() == {"name": ["foo", "bar"]} def test_add_value_singlevalue_singlevalue(self): """Values added after initialization should be appended""" @@ -115,8 +114,8 @@ class InitializationTestMixin: il = ItemLoader(item=input_item) il.add_value("name", "bar") loaded_item = il.load_item() - self.assertIsInstance(loaded_item, self.item_class) - self.assertEqual(ItemAdapter(loaded_item).asdict(), {"name": ["foo", "bar"]}) + assert isinstance(loaded_item, self.item_class) + assert ItemAdapter(loaded_item).asdict() == {"name": ["foo", "bar"]} def test_add_value_singlevalue_list(self): """Values added after initialization should be appended""" @@ -124,10 +123,8 @@ class InitializationTestMixin: il = ItemLoader(item=input_item) il.add_value("name", ["item", "loader"]) loaded_item = il.load_item() - self.assertIsInstance(loaded_item, self.item_class) - self.assertEqual( - ItemAdapter(loaded_item).asdict(), {"name": ["foo", "item", "loader"]} - ) + assert isinstance(loaded_item, self.item_class) + assert ItemAdapter(loaded_item).asdict() == {"name": ["foo", "item", "loader"]} def test_add_value_list_singlevalue(self): """Values added after initialization should be appended""" @@ -135,10 +132,8 @@ class InitializationTestMixin: il = ItemLoader(item=input_item) il.add_value("name", "qwerty") loaded_item = il.load_item() - self.assertIsInstance(loaded_item, self.item_class) - self.assertEqual( - ItemAdapter(loaded_item).asdict(), {"name": ["foo", "bar", "qwerty"]} - ) + assert isinstance(loaded_item, self.item_class) + assert ItemAdapter(loaded_item).asdict() == {"name": ["foo", "bar", "qwerty"]} def test_add_value_list_list(self): """Values added after initialization should be appended""" @@ -146,56 +141,55 @@ class InitializationTestMixin: il = ItemLoader(item=input_item) il.add_value("name", ["item", "loader"]) loaded_item = il.load_item() - self.assertIsInstance(loaded_item, self.item_class) - self.assertEqual( - ItemAdapter(loaded_item).asdict(), - {"name": ["foo", "bar", "item", "loader"]}, - ) + assert isinstance(loaded_item, self.item_class) + assert ItemAdapter(loaded_item).asdict() == { + "name": ["foo", "bar", "item", "loader"] + } def test_get_output_value_singlevalue(self): """Getting output value must not remove value from item""" input_item = self.item_class(name="foo") il = ItemLoader(item=input_item) - self.assertEqual(il.get_output_value("name"), ["foo"]) + assert il.get_output_value("name") == ["foo"] loaded_item = il.load_item() - self.assertIsInstance(loaded_item, self.item_class) - self.assertEqual(ItemAdapter(loaded_item).asdict(), {"name": ["foo"]}) + assert isinstance(loaded_item, self.item_class) + assert ItemAdapter(loaded_item).asdict() == {"name": ["foo"]} def test_get_output_value_list(self): """Getting output value must not remove value from item""" input_item = self.item_class(name=["foo", "bar"]) il = ItemLoader(item=input_item) - self.assertEqual(il.get_output_value("name"), ["foo", "bar"]) + assert il.get_output_value("name") == ["foo", "bar"] loaded_item = il.load_item() - self.assertIsInstance(loaded_item, self.item_class) - self.assertEqual(ItemAdapter(loaded_item).asdict(), {"name": ["foo", "bar"]}) + assert isinstance(loaded_item, self.item_class) + assert ItemAdapter(loaded_item).asdict() == {"name": ["foo", "bar"]} def test_values_single(self): """Values from initial item must be added to loader._values""" input_item = self.item_class(name="foo") il = ItemLoader(item=input_item) - self.assertEqual(il._values.get("name"), ["foo"]) + assert il._values.get("name") == ["foo"] def test_values_list(self): """Values from initial item must be added to loader._values""" input_item = self.item_class(name=["foo", "bar"]) il = ItemLoader(item=input_item) - self.assertEqual(il._values.get("name"), ["foo", "bar"]) + assert il._values.get("name") == ["foo", "bar"] -class InitializationFromDictTest(InitializationTestMixin, unittest.TestCase): +class TestInitializationFromDict(InitializationTestMixin): item_class = dict -class InitializationFromItemTest(InitializationTestMixin, unittest.TestCase): +class TestInitializationFromItem(InitializationTestMixin): item_class = NameItem -class InitializationFromAttrsItemTest(InitializationTestMixin, unittest.TestCase): +class TestInitializationFromAttrsItem(InitializationTestMixin): item_class = AttrsNameItem -class InitializationFromDataClassTest(InitializationTestMixin, unittest.TestCase): +class TestInitializationFromDataClass(InitializationTestMixin): item_class = NameDataClass @@ -212,7 +206,7 @@ class NoInputReprocessingItemLoader(BaseNoInputReprocessingLoader): default_item_class = NoInputReprocessingItem -class NoInputReprocessingFromItemTest(unittest.TestCase): +class TestNoInputReprocessingFromItem: """ Loaders initialized from loaded items must not reprocess fields (Item instances) """ @@ -220,41 +214,41 @@ class NoInputReprocessingFromItemTest(unittest.TestCase): def test_avoid_reprocessing_with_initial_values_single(self): il = NoInputReprocessingItemLoader(item=NoInputReprocessingItem(title="foo")) il_loaded = il.load_item() - self.assertEqual(il_loaded, {"title": "foo"}) - self.assertEqual( - NoInputReprocessingItemLoader(item=il_loaded).load_item(), {"title": "foo"} - ) + assert il_loaded == {"title": "foo"} + assert NoInputReprocessingItemLoader(item=il_loaded).load_item() == { + "title": "foo" + } def test_avoid_reprocessing_with_initial_values_list(self): il = NoInputReprocessingItemLoader( item=NoInputReprocessingItem(title=["foo", "bar"]) ) il_loaded = il.load_item() - self.assertEqual(il_loaded, {"title": "foo"}) - self.assertEqual( - NoInputReprocessingItemLoader(item=il_loaded).load_item(), {"title": "foo"} - ) + assert il_loaded == {"title": "foo"} + assert NoInputReprocessingItemLoader(item=il_loaded).load_item() == { + "title": "foo" + } def test_avoid_reprocessing_without_initial_values_single(self): il = NoInputReprocessingItemLoader() il.add_value("title", "FOO") il_loaded = il.load_item() - self.assertEqual(il_loaded, {"title": "FOO"}) - self.assertEqual( - NoInputReprocessingItemLoader(item=il_loaded).load_item(), {"title": "FOO"} - ) + assert il_loaded == {"title": "FOO"} + assert NoInputReprocessingItemLoader(item=il_loaded).load_item() == { + "title": "FOO" + } def test_avoid_reprocessing_without_initial_values_list(self): il = NoInputReprocessingItemLoader() il.add_value("title", ["foo", "bar"]) il_loaded = il.load_item() - self.assertEqual(il_loaded, {"title": "FOO"}) - self.assertEqual( - NoInputReprocessingItemLoader(item=il_loaded).load_item(), {"title": "FOO"} - ) + assert il_loaded == {"title": "FOO"} + assert NoInputReprocessingItemLoader(item=il_loaded).load_item() == { + "title": "FOO" + } -class TestOutputProcessorItem(unittest.TestCase): +class TestOutputProcessorItem: def test_output_processor(self): class TempItem(Item): temp = Field() @@ -270,11 +264,11 @@ class TestOutputProcessorItem(unittest.TestCase): loader = TempLoader() item = loader.load_item() - self.assertIsInstance(item, TempItem) - self.assertEqual(dict(item), {"temp": 0.3}) + assert isinstance(item, TempItem) + assert dict(item) == {"temp": 0.3} -class SelectortemLoaderTest(unittest.TestCase): +class TestSelectortemLoader: response = HtmlResponse( url="", encoding="utf-8", @@ -292,7 +286,7 @@ class SelectortemLoaderTest(unittest.TestCase): def test_init_method(self): l = ProcessorItemLoader() - self.assertEqual(l.selector, None) + assert l.selector is None def test_init_method_errors(self): l = ProcessorItemLoader() @@ -312,150 +306,149 @@ class SelectortemLoaderTest(unittest.TestCase): def test_init_method_with_selector(self): sel = Selector(text="
marta
") l = ProcessorItemLoader(selector=sel) - self.assertIs(l.selector, sel) + assert l.selector is sel l.add_xpath("name", "//div/text()") - self.assertEqual(l.get_output_value("name"), ["Marta"]) + assert l.get_output_value("name") == ["Marta"] def test_init_method_with_selector_css(self): sel = Selector(text="
marta
") l = ProcessorItemLoader(selector=sel) - self.assertIs(l.selector, sel) + assert l.selector is sel l.add_css("name", "div::text") - self.assertEqual(l.get_output_value("name"), ["Marta"]) + assert l.get_output_value("name") == ["Marta"] def test_init_method_with_base_response(self): """Selector should be None after initialization""" response = Response("https://scrapy.org") l = ProcessorItemLoader(response=response) - self.assertIs(l.selector, None) + assert l.selector is None def test_init_method_with_response(self): l = ProcessorItemLoader(response=self.response) - self.assertTrue(l.selector) + assert l.selector l.add_xpath("name", "//div/text()") - self.assertEqual(l.get_output_value("name"), ["Marta"]) + assert l.get_output_value("name") == ["Marta"] def test_init_method_with_response_css(self): l = ProcessorItemLoader(response=self.response) - self.assertTrue(l.selector) + assert l.selector l.add_css("name", "div::text") - self.assertEqual(l.get_output_value("name"), ["Marta"]) + assert l.get_output_value("name") == ["Marta"] l.add_css("url", "a::attr(href)") - self.assertEqual(l.get_output_value("url"), ["http://www.scrapy.org"]) + assert l.get_output_value("url") == ["http://www.scrapy.org"] # combining/accumulating CSS selectors and XPath expressions l.add_xpath("name", "//div/text()") - self.assertEqual(l.get_output_value("name"), ["Marta", "Marta"]) + assert l.get_output_value("name") == ["Marta", "Marta"] l.add_xpath("url", "//img/@src") - self.assertEqual( - l.get_output_value("url"), ["http://www.scrapy.org", "/images/logo.png"] - ) + assert l.get_output_value("url") == [ + "http://www.scrapy.org", + "/images/logo.png", + ] def test_add_xpath_re(self): l = ProcessorItemLoader(response=self.response) l.add_xpath("name", "//div/text()", re="ma") - self.assertEqual(l.get_output_value("name"), ["Ma"]) + assert l.get_output_value("name") == ["Ma"] def test_replace_xpath(self): l = ProcessorItemLoader(response=self.response) - self.assertTrue(l.selector) + assert l.selector l.add_xpath("name", "//div/text()") - self.assertEqual(l.get_output_value("name"), ["Marta"]) + assert l.get_output_value("name") == ["Marta"] l.replace_xpath("name", "//p/text()") - self.assertEqual(l.get_output_value("name"), ["Paragraph"]) + assert l.get_output_value("name") == ["Paragraph"] l.replace_xpath("name", ["//p/text()", "//div/text()"]) - self.assertEqual(l.get_output_value("name"), ["Paragraph", "Marta"]) + assert l.get_output_value("name") == ["Paragraph", "Marta"] def test_get_xpath(self): l = ProcessorItemLoader(response=self.response) - self.assertEqual(l.get_xpath("//p/text()"), ["paragraph"]) - self.assertEqual(l.get_xpath("//p/text()", TakeFirst()), "paragraph") - self.assertEqual(l.get_xpath("//p/text()", TakeFirst(), re="pa"), "pa") + assert l.get_xpath("//p/text()") == ["paragraph"] + assert l.get_xpath("//p/text()", TakeFirst()) == "paragraph" + assert l.get_xpath("//p/text()", TakeFirst(), re="pa") == "pa" - self.assertEqual( - l.get_xpath(["//p/text()", "//div/text()"]), ["paragraph", "marta"] - ) + assert l.get_xpath(["//p/text()", "//div/text()"]) == ["paragraph", "marta"] def test_replace_xpath_multi_fields(self): l = ProcessorItemLoader(response=self.response) l.add_xpath(None, "//div/text()", TakeFirst(), lambda x: {"name": x}) - self.assertEqual(l.get_output_value("name"), ["Marta"]) + assert l.get_output_value("name") == ["Marta"] l.replace_xpath(None, "//p/text()", TakeFirst(), lambda x: {"name": x}) - self.assertEqual(l.get_output_value("name"), ["Paragraph"]) + assert l.get_output_value("name") == ["Paragraph"] def test_replace_xpath_re(self): l = ProcessorItemLoader(response=self.response) - self.assertTrue(l.selector) + assert l.selector l.add_xpath("name", "//div/text()") - self.assertEqual(l.get_output_value("name"), ["Marta"]) + assert l.get_output_value("name") == ["Marta"] l.replace_xpath("name", "//div/text()", re="ma") - self.assertEqual(l.get_output_value("name"), ["Ma"]) + assert l.get_output_value("name") == ["Ma"] def test_add_css_re(self): l = ProcessorItemLoader(response=self.response) l.add_css("name", "div::text", re="ma") - self.assertEqual(l.get_output_value("name"), ["Ma"]) + assert l.get_output_value("name") == ["Ma"] l.add_css("url", "a::attr(href)", re="http://(.+)") - self.assertEqual(l.get_output_value("url"), ["www.scrapy.org"]) + assert l.get_output_value("url") == ["www.scrapy.org"] def test_replace_css(self): l = ProcessorItemLoader(response=self.response) - self.assertTrue(l.selector) + assert l.selector l.add_css("name", "div::text") - self.assertEqual(l.get_output_value("name"), ["Marta"]) + assert l.get_output_value("name") == ["Marta"] l.replace_css("name", "p::text") - self.assertEqual(l.get_output_value("name"), ["Paragraph"]) + assert l.get_output_value("name") == ["Paragraph"] l.replace_css("name", ["p::text", "div::text"]) - self.assertEqual(l.get_output_value("name"), ["Paragraph", "Marta"]) + assert l.get_output_value("name") == ["Paragraph", "Marta"] l.add_css("url", "a::attr(href)", re="http://(.+)") - self.assertEqual(l.get_output_value("url"), ["www.scrapy.org"]) + assert l.get_output_value("url") == ["www.scrapy.org"] l.replace_css("url", "img::attr(src)") - self.assertEqual(l.get_output_value("url"), ["/images/logo.png"]) + assert l.get_output_value("url") == ["/images/logo.png"] def test_get_css(self): l = ProcessorItemLoader(response=self.response) - self.assertEqual(l.get_css("p::text"), ["paragraph"]) - self.assertEqual(l.get_css("p::text", TakeFirst()), "paragraph") - self.assertEqual(l.get_css("p::text", TakeFirst(), re="pa"), "pa") + assert l.get_css("p::text") == ["paragraph"] + assert l.get_css("p::text", TakeFirst()) == "paragraph" + assert l.get_css("p::text", TakeFirst(), re="pa") == "pa" - self.assertEqual(l.get_css(["p::text", "div::text"]), ["paragraph", "marta"]) - self.assertEqual( - l.get_css(["a::attr(href)", "img::attr(src)"]), - ["http://www.scrapy.org", "/images/logo.png"], - ) + assert l.get_css(["p::text", "div::text"]) == ["paragraph", "marta"] + assert l.get_css(["a::attr(href)", "img::attr(src)"]) == [ + "http://www.scrapy.org", + "/images/logo.png", + ] def test_replace_css_multi_fields(self): l = ProcessorItemLoader(response=self.response) l.add_css(None, "div::text", TakeFirst(), lambda x: {"name": x}) - self.assertEqual(l.get_output_value("name"), ["Marta"]) + assert l.get_output_value("name") == ["Marta"] l.replace_css(None, "p::text", TakeFirst(), lambda x: {"name": x}) - self.assertEqual(l.get_output_value("name"), ["Paragraph"]) + assert l.get_output_value("name") == ["Paragraph"] l.add_css(None, "a::attr(href)", TakeFirst(), lambda x: {"url": x}) - self.assertEqual(l.get_output_value("url"), ["http://www.scrapy.org"]) + assert l.get_output_value("url") == ["http://www.scrapy.org"] l.replace_css(None, "img::attr(src)", TakeFirst(), lambda x: {"url": x}) - self.assertEqual(l.get_output_value("url"), ["/images/logo.png"]) + assert l.get_output_value("url") == ["/images/logo.png"] def test_replace_css_re(self): l = ProcessorItemLoader(response=self.response) - self.assertTrue(l.selector) + assert l.selector l.add_css("url", "a::attr(href)") - self.assertEqual(l.get_output_value("url"), ["http://www.scrapy.org"]) + assert l.get_output_value("url") == ["http://www.scrapy.org"] l.replace_css("url", "a::attr(href)", re=r"http://www\.(.+)") - self.assertEqual(l.get_output_value("url"), ["scrapy.org"]) + assert l.get_output_value("url") == ["scrapy.org"] -class SubselectorLoaderTest(unittest.TestCase): +class TestSubselectorLoader: response = HtmlResponse( url="", encoding="utf-8", @@ -483,17 +476,13 @@ class SubselectorLoaderTest(unittest.TestCase): nl.add_css("name_div", "#id") nl.add_value("name_value", nl.selector.xpath('div[@id = "id"]/text()').getall()) - self.assertEqual(l.get_output_value("name"), ["marta"]) - self.assertEqual(l.get_output_value("name_div"), ['
marta
']) - self.assertEqual(l.get_output_value("name_value"), ["marta"]) + assert l.get_output_value("name") == ["marta"] + assert l.get_output_value("name_div") == ['
marta
'] + assert l.get_output_value("name_value") == ["marta"] - self.assertEqual(l.get_output_value("name"), nl.get_output_value("name")) - self.assertEqual( - l.get_output_value("name_div"), nl.get_output_value("name_div") - ) - self.assertEqual( - l.get_output_value("name_value"), nl.get_output_value("name_value") - ) + assert l.get_output_value("name") == nl.get_output_value("name") + assert l.get_output_value("name_div") == nl.get_output_value("name_div") + assert l.get_output_value("name_value") == nl.get_output_value("name_value") def test_nested_css(self): l = NestedItemLoader(response=self.response) @@ -502,17 +491,13 @@ class SubselectorLoaderTest(unittest.TestCase): nl.add_css("name_div", "#id") nl.add_value("name_value", nl.selector.xpath('div[@id = "id"]/text()').getall()) - self.assertEqual(l.get_output_value("name"), ["marta"]) - self.assertEqual(l.get_output_value("name_div"), ['
marta
']) - self.assertEqual(l.get_output_value("name_value"), ["marta"]) + assert l.get_output_value("name") == ["marta"] + assert l.get_output_value("name_div") == ['
marta
'] + assert l.get_output_value("name_value") == ["marta"] - self.assertEqual(l.get_output_value("name"), nl.get_output_value("name")) - self.assertEqual( - l.get_output_value("name_div"), nl.get_output_value("name_div") - ) - self.assertEqual( - l.get_output_value("name_value"), nl.get_output_value("name_value") - ) + assert l.get_output_value("name") == nl.get_output_value("name") + assert l.get_output_value("name_div") == nl.get_output_value("name_div") + assert l.get_output_value("name_value") == nl.get_output_value("name_value") def test_nested_replace(self): l = NestedItemLoader(response=self.response) @@ -520,11 +505,11 @@ class SubselectorLoaderTest(unittest.TestCase): nl2 = nl1.nested_xpath("a") l.add_xpath("url", "//footer/a/@href") - self.assertEqual(l.get_output_value("url"), ["http://www.scrapy.org"]) + assert l.get_output_value("url") == ["http://www.scrapy.org"] nl1.replace_xpath("url", "img/@src") - self.assertEqual(l.get_output_value("url"), ["/images/logo.png"]) + assert l.get_output_value("url") == ["/images/logo.png"] nl2.replace_xpath("url", "@href") - self.assertEqual(l.get_output_value("url"), ["http://www.scrapy.org"]) + assert l.get_output_value("url") == ["http://www.scrapy.org"] def test_nested_ordering(self): l = NestedItemLoader(response=self.response) @@ -536,15 +521,12 @@ class SubselectorLoaderTest(unittest.TestCase): nl2.add_xpath("url", "text()") l.add_xpath("url", "//footer/a/@href") - self.assertEqual( - l.get_output_value("url"), - [ - "/images/logo.png", - "http://www.scrapy.org", - "homepage", - "http://www.scrapy.org", - ], - ) + assert l.get_output_value("url") == [ + "/images/logo.png", + "http://www.scrapy.org", + "homepage", + "http://www.scrapy.org", + ] def test_nested_load_item(self): l = NestedItemLoader(response=self.response) @@ -561,9 +543,9 @@ class SubselectorLoaderTest(unittest.TestCase): assert item is nl1.item assert item is nl2.item - self.assertEqual(item["name"], ["marta"]) - self.assertEqual(item["url"], ["http://www.scrapy.org"]) - self.assertEqual(item["image"], ["/images/logo.png"]) + assert item["name"] == ["marta"] + assert item["url"] == ["http://www.scrapy.org"] + assert item["image"] == ["/images/logo.png"] # Functions as processors @@ -588,9 +570,9 @@ class FunctionProcessorItemLoader(ItemLoader): default_item_class = FunctionProcessorItem -class FunctionProcessorTestCase(unittest.TestCase): +class TestFunctionProcessor: def test_processor_defined_in_item(self): lo = FunctionProcessorItemLoader() lo.add_value("foo", " bar ") lo.add_value("foo", [" asdf ", " qwerty "]) - self.assertEqual(dict(lo.load_item()), {"foo": ["BAR", "ASDF", "QWERTY"]}) + assert dict(lo.load_item()) == {"foo": ["BAR", "ASDF", "QWERTY"]} diff --git a/tests/test_settings/__init__.py b/tests/test_settings/__init__.py index 909b365a9..d7d900546 100644 --- a/tests/test_settings/__init__.py +++ b/tests/test_settings/__init__.py @@ -1,4 +1,6 @@ -import unittest +# pylint: disable=unsubscriptable-object,unsupported-membership-test,use-implicit-booleaness-not-comparison +# (too many false positives) + from unittest import mock import pytest @@ -14,31 +16,31 @@ from scrapy.settings import ( from . import default_settings -class SettingsGlobalFuncsTest(unittest.TestCase): +class TestSettingsGlobalFuncs: def test_get_settings_priority(self): for prio_str, prio_num in SETTINGS_PRIORITIES.items(): - self.assertEqual(get_settings_priority(prio_str), prio_num) - self.assertEqual(get_settings_priority(99), 99) + assert get_settings_priority(prio_str) == prio_num + assert get_settings_priority(99) == 99 -class SettingsAttributeTest(unittest.TestCase): - def setUp(self): +class TestSettingsAttribute: + def setup_method(self): self.attribute = SettingsAttribute("value", 10) def test_set_greater_priority(self): self.attribute.set("value2", 20) - self.assertEqual(self.attribute.value, "value2") - self.assertEqual(self.attribute.priority, 20) + assert self.attribute.value == "value2" + assert self.attribute.priority == 20 def test_set_equal_priority(self): self.attribute.set("value2", 10) - self.assertEqual(self.attribute.value, "value2") - self.assertEqual(self.attribute.priority, 10) + assert self.attribute.value == "value2" + assert self.attribute.priority == 10 def test_set_less_priority(self): self.attribute.set("value2", 0) - self.assertEqual(self.attribute.value, "value") - self.assertEqual(self.attribute.priority, 10) + assert self.attribute.value == "value" + assert self.attribute.priority == 10 def test_overwrite_basesettings(self): original_dict = {"one": 10, "two": 20} @@ -47,61 +49,59 @@ class SettingsAttributeTest(unittest.TestCase): new_dict = {"three": 11, "four": 21} attribute.set(new_dict, 10) - self.assertIsInstance(attribute.value, BaseSettings) - self.assertCountEqual(attribute.value, new_dict) - self.assertCountEqual(original_settings, original_dict) + assert isinstance(attribute.value, BaseSettings) + assert set(attribute.value) == set(new_dict) + assert set(original_settings) == set(original_dict) new_settings = BaseSettings({"five": 12}, 0) attribute.set(new_settings, 0) # Insufficient priority - self.assertCountEqual(attribute.value, new_dict) + assert set(attribute.value) == set(new_dict) attribute.set(new_settings, 10) - self.assertCountEqual(attribute.value, new_settings) + assert set(attribute.value) == set(new_settings) def test_repr(self): - self.assertEqual( - repr(self.attribute), "" - ) + assert repr(self.attribute) == "" -class BaseSettingsTest(unittest.TestCase): - def setUp(self): +class TestBaseSettings: + def setup_method(self): self.settings = BaseSettings() def test_setdefault_not_existing_value(self): settings = BaseSettings() value = settings.setdefault("TEST_OPTION", "value") - self.assertEqual(settings["TEST_OPTION"], "value") - self.assertEqual(value, "value") - self.assertIsNotNone(value) + assert settings["TEST_OPTION"] == "value" + assert value == "value" + assert value is not None def test_setdefault_existing_value(self): settings = BaseSettings({"TEST_OPTION": "value"}) value = settings.setdefault("TEST_OPTION", None) - self.assertEqual(settings["TEST_OPTION"], "value") - self.assertEqual(value, "value") + assert settings["TEST_OPTION"] == "value" + assert value == "value" def test_set_new_attribute(self): self.settings.set("TEST_OPTION", "value", 0) - self.assertIn("TEST_OPTION", self.settings.attributes) + assert "TEST_OPTION" in self.settings.attributes attr = self.settings.attributes["TEST_OPTION"] - self.assertIsInstance(attr, SettingsAttribute) - self.assertEqual(attr.value, "value") - self.assertEqual(attr.priority, 0) + assert isinstance(attr, SettingsAttribute) + assert attr.value == "value" + assert attr.priority == 0 def test_set_settingsattribute(self): myattr = SettingsAttribute(0, 30) # Note priority 30 self.settings.set("TEST_ATTR", myattr, 10) - self.assertEqual(self.settings.get("TEST_ATTR"), 0) - self.assertEqual(self.settings.getpriority("TEST_ATTR"), 30) + assert self.settings.get("TEST_ATTR") == 0 + assert self.settings.getpriority("TEST_ATTR") == 30 def test_set_instance_identity_on_update(self): attr = SettingsAttribute("value", 0) self.settings.attributes = {"TEST_OPTION": attr} self.settings.set("TEST_OPTION", "othervalue", 10) - self.assertIn("TEST_OPTION", self.settings.attributes) - self.assertIs(attr, self.settings.attributes["TEST_OPTION"]) + assert "TEST_OPTION" in self.settings.attributes + assert attr is self.settings.attributes["TEST_OPTION"] def test_set_calls_settings_attributes_methods_on_update(self): attr = SettingsAttribute("value", 10) @@ -114,7 +114,7 @@ class BaseSettingsTest(unittest.TestCase): for priority in (0, 10, 20): self.settings.set("TEST_OPTION", "othervalue", priority) mock_set.assert_called_once_with("othervalue", priority) - self.assertFalse(mock_setattr.called) + assert not mock_setattr.called mock_set.reset_mock() mock_setattr.reset_mock() @@ -122,19 +122,19 @@ class BaseSettingsTest(unittest.TestCase): settings = BaseSettings() settings.set("key", "a", "default") settings["key"] = "b" - self.assertEqual(settings["key"], "b") - self.assertEqual(settings.getpriority("key"), 20) + assert settings["key"] == "b" + assert settings.getpriority("key") == 20 settings["key"] = "c" - self.assertEqual(settings["key"], "c") + assert settings["key"] == "c" settings["key2"] = "x" - self.assertIn("key2", settings) - self.assertEqual(settings["key2"], "x") - self.assertEqual(settings.getpriority("key2"), 20) + assert "key2" in settings + assert settings["key2"] == "x" + assert settings.getpriority("key2") == 20 def test_setdict_alias(self): with mock.patch.object(self.settings, "set") as mock_set: self.settings.setdict({"TEST_1": "value1", "TEST_2": "value2"}, 10) - self.assertEqual(mock_set.call_count, 2) + assert mock_set.call_count == 2 calls = [ mock.call("TEST_1", "value1", 10), mock.call("TEST_2", "value2", 10), @@ -149,10 +149,10 @@ class BaseSettingsTest(unittest.TestCase): self.settings.attributes = {} self.settings.setmodule(ModuleMock(), 10) - self.assertIn("UPPERCASE_VAR", self.settings.attributes) - self.assertNotIn("MIXEDcase_VAR", self.settings.attributes) - self.assertNotIn("lowercase_var", self.settings.attributes) - self.assertEqual(len(self.settings.attributes), 1) + assert "UPPERCASE_VAR" in self.settings.attributes + assert "MIXEDcase_VAR" not in self.settings.attributes + assert "lowercase_var" not in self.settings.attributes + assert len(self.settings.attributes) == 1 def test_setmodule_alias(self): with mock.patch.object(self.settings, "set") as mock_set: @@ -168,13 +168,13 @@ class BaseSettingsTest(unittest.TestCase): self.settings.attributes = {} self.settings.setmodule("tests.test_settings.default_settings", 10) - self.assertCountEqual(self.settings.attributes.keys(), ctrl_attributes.keys()) + assert set(self.settings.attributes) == set(ctrl_attributes) for key in ctrl_attributes: attr = self.settings.attributes[key] ctrl_attr = ctrl_attributes[key] - self.assertEqual(attr.value, ctrl_attr.value) - self.assertEqual(attr.priority, ctrl_attr.priority) + assert attr.value == ctrl_attr.value + assert attr.priority == ctrl_attr.priority def test_update(self): settings = BaseSettings({"key_lowprio": 0}, priority=0) @@ -186,21 +186,21 @@ class BaseSettingsTest(unittest.TestCase): custom_dict = {"key_lowprio": 2, "key_highprio": 12, "newkey_two": None} settings.update(custom_dict, priority=20) - self.assertEqual(settings["key_lowprio"], 2) - self.assertEqual(settings.getpriority("key_lowprio"), 20) - self.assertEqual(settings["key_highprio"], 10) - self.assertIn("newkey_two", settings) - self.assertEqual(settings.getpriority("newkey_two"), 20) + assert settings["key_lowprio"] == 2 + assert settings.getpriority("key_lowprio") == 20 + assert settings["key_highprio"] == 10 + assert "newkey_two" in settings + assert settings.getpriority("newkey_two") == 20 settings.update(custom_settings) - self.assertEqual(settings["key_lowprio"], 1) - self.assertEqual(settings.getpriority("key_lowprio"), 30) - self.assertEqual(settings["key_highprio"], 10) - self.assertIn("newkey_one", settings) - self.assertEqual(settings.getpriority("newkey_one"), 50) + assert settings["key_lowprio"] == 1 + assert settings.getpriority("key_lowprio") == 30 + assert settings["key_highprio"] == 10 + assert "newkey_one" in settings + assert settings.getpriority("newkey_one") == 50 settings.update({"key_lowprio": 3}, priority=20) - self.assertEqual(settings["key_lowprio"], 1) + assert settings["key_lowprio"] == 1 @pytest.mark.xfail( raises=TypeError, reason="BaseSettings.update doesn't support kwargs input" @@ -220,21 +220,21 @@ class BaseSettingsTest(unittest.TestCase): def test_update_jsonstring(self): settings = BaseSettings({"number": 0, "dict": BaseSettings({"key": "val"})}) settings.update('{"number": 1, "newnumber": 2}') - self.assertEqual(settings["number"], 1) - self.assertEqual(settings["newnumber"], 2) + assert settings["number"] == 1 + assert settings["newnumber"] == 2 settings.set("dict", '{"key": "newval", "newkey": "newval2"}') - self.assertEqual(settings["dict"]["key"], "newval") - self.assertEqual(settings["dict"]["newkey"], "newval2") + assert settings["dict"]["key"] == "newval" + assert settings["dict"]["newkey"] == "newval2" def test_delete(self): settings = BaseSettings({"key": None}) settings.set("key_highprio", None, priority=50) settings.delete("key") settings.delete("key_highprio") - self.assertNotIn("key", settings) - self.assertIn("key_highprio", settings) + assert "key" not in settings + assert "key_highprio" in settings del settings["key_highprio"] - self.assertNotIn("key_highprio", settings) + assert "key_highprio" not in settings with pytest.raises(KeyError): settings.delete("notkey") with pytest.raises(KeyError): @@ -271,40 +271,40 @@ class BaseSettingsTest(unittest.TestCase): for key, value in test_configuration.items() } - self.assertTrue(settings.getbool("TEST_ENABLED1")) - self.assertTrue(settings.getbool("TEST_ENABLED2")) - self.assertTrue(settings.getbool("TEST_ENABLED3")) - self.assertTrue(settings.getbool("TEST_ENABLED4")) - self.assertTrue(settings.getbool("TEST_ENABLED5")) - self.assertFalse(settings.getbool("TEST_ENABLEDx")) - self.assertTrue(settings.getbool("TEST_ENABLEDx", True)) - self.assertFalse(settings.getbool("TEST_DISABLED1")) - self.assertFalse(settings.getbool("TEST_DISABLED2")) - self.assertFalse(settings.getbool("TEST_DISABLED3")) - self.assertFalse(settings.getbool("TEST_DISABLED4")) - self.assertFalse(settings.getbool("TEST_DISABLED5")) - self.assertEqual(settings.getint("TEST_INT1"), 123) - self.assertEqual(settings.getint("TEST_INT2"), 123) - self.assertEqual(settings.getint("TEST_INTx"), 0) - self.assertEqual(settings.getint("TEST_INTx", 45), 45) - self.assertEqual(settings.getfloat("TEST_FLOAT1"), 123.45) - self.assertEqual(settings.getfloat("TEST_FLOAT2"), 123.45) - self.assertEqual(settings.getfloat("TEST_FLOATx"), 0.0) - self.assertEqual(settings.getfloat("TEST_FLOATx", 55.0), 55.0) - self.assertEqual(settings.getlist("TEST_LIST1"), ["one", "two"]) - self.assertEqual(settings.getlist("TEST_LIST2"), ["one", "two"]) - self.assertEqual(settings.getlist("TEST_LIST3"), []) - self.assertEqual(settings.getlist("TEST_LISTx"), []) - self.assertEqual(settings.getlist("TEST_LISTx", ["default"]), ["default"]) - self.assertEqual(settings["TEST_STR"], "value") - self.assertEqual(settings.get("TEST_STR"), "value") - self.assertEqual(settings["TEST_STRx"], None) - self.assertEqual(settings.get("TEST_STRx"), None) - self.assertEqual(settings.get("TEST_STRx", "default"), "default") - self.assertEqual(settings.getdict("TEST_DICT1"), {"key1": "val1", "ke2": 3}) - self.assertEqual(settings.getdict("TEST_DICT2"), {"key1": "val1", "ke2": 3}) - self.assertEqual(settings.getdict("TEST_DICT3"), {}) - self.assertEqual(settings.getdict("TEST_DICT3", {"key1": 5}), {"key1": 5}) + assert settings.getbool("TEST_ENABLED1") + assert settings.getbool("TEST_ENABLED2") + assert settings.getbool("TEST_ENABLED3") + assert settings.getbool("TEST_ENABLED4") + assert settings.getbool("TEST_ENABLED5") + assert not settings.getbool("TEST_ENABLEDx") + assert settings.getbool("TEST_ENABLEDx", True) + assert not settings.getbool("TEST_DISABLED1") + assert not settings.getbool("TEST_DISABLED2") + assert not settings.getbool("TEST_DISABLED3") + assert not settings.getbool("TEST_DISABLED4") + assert not settings.getbool("TEST_DISABLED5") + assert settings.getint("TEST_INT1") == 123 + assert settings.getint("TEST_INT2") == 123 + assert settings.getint("TEST_INTx") == 0 + assert settings.getint("TEST_INTx", 45) == 45 + assert settings.getfloat("TEST_FLOAT1") == 123.45 + assert settings.getfloat("TEST_FLOAT2") == 123.45 + assert settings.getfloat("TEST_FLOATx") == 0.0 + assert settings.getfloat("TEST_FLOATx", 55.0) == 55.0 + assert settings.getlist("TEST_LIST1") == ["one", "two"] + assert settings.getlist("TEST_LIST2") == ["one", "two"] + assert settings.getlist("TEST_LIST3") == [] + assert settings.getlist("TEST_LISTx") == [] + assert settings.getlist("TEST_LISTx", ["default"]) == ["default"] + assert settings["TEST_STR"] == "value" + assert settings.get("TEST_STR") == "value" + assert settings["TEST_STRx"] is None + assert settings.get("TEST_STRx") is None + assert settings.get("TEST_STRx", "default") == "default" + assert settings.getdict("TEST_DICT1") == {"key1": "val1", "ke2": 3} + assert settings.getdict("TEST_DICT2") == {"key1": "val1", "ke2": 3} + assert settings.getdict("TEST_DICT3") == {} + assert settings.getdict("TEST_DICT3", {"key1": 5}) == {"key1": 5} with pytest.raises( ValueError, match="dictionary update sequence element #0 has length 3; 2 is required|sequence of pairs expected", @@ -321,8 +321,8 @@ class BaseSettingsTest(unittest.TestCase): def test_getpriority(self): settings = BaseSettings({"key": "value"}, priority=99) - self.assertEqual(settings.getpriority("key"), 99) - self.assertEqual(settings.getpriority("nonexistentkey"), None) + assert settings.getpriority("key") == 99 + assert settings.getpriority("nonexistentkey") is None def test_getwithbase(self): s = BaseSettings( @@ -333,16 +333,16 @@ class BaseSettingsTest(unittest.TestCase): } ) s["TEST"].set(2, 200, "cmdline") - self.assertCountEqual(s.getwithbase("TEST"), {1: 1, 2: 200, 3: 30}) - self.assertCountEqual(s.getwithbase("HASNOBASE"), s["HASNOBASE"]) - self.assertEqual(s.getwithbase("NONEXISTENT"), {}) + assert set(s.getwithbase("TEST")) == {1, 2, 3} + assert set(s.getwithbase("HASNOBASE")) == set(s["HASNOBASE"]) + assert s.getwithbase("NONEXISTENT") == {} def test_maxpriority(self): # Empty settings should return 'default' - self.assertEqual(self.settings.maxpriority(), 0) + assert self.settings.maxpriority() == 0 self.settings.set("A", 0, 10) self.settings.set("B", 0, 30) - self.assertEqual(self.settings.maxpriority(), 30) + assert self.settings.maxpriority() == 30 def test_copy(self): values = { @@ -356,17 +356,15 @@ class BaseSettingsTest(unittest.TestCase): self.settings.setdict(values) copy = self.settings.copy() self.settings.set("TEST_BOOL", False) - self.assertTrue(copy.get("TEST_BOOL")) + assert copy.get("TEST_BOOL") test_list = self.settings.get("TEST_LIST") test_list.append("three") - self.assertListEqual(copy.get("TEST_LIST"), ["one", "two"]) + assert copy.get("TEST_LIST") == ["one", "two"] test_list_of_lists = self.settings.get("TEST_LIST_OF_LISTS") test_list_of_lists[0].append("first_three") - self.assertListEqual( - copy.get("TEST_LIST_OF_LISTS")[0], ["first_one", "first_two"] - ) + assert copy.get("TEST_LIST_OF_LISTS")[0] == ["first_one", "first_two"] def test_copy_to_dict(self): s = BaseSettings( @@ -379,17 +377,14 @@ class BaseSettingsTest(unittest.TestCase): "HASNOBASE": BaseSettings({3: 3000}, "default"), } ) - self.assertDictEqual( - s.copy_to_dict(), - { - "HASNOBASE": {3: 3000}, - "TEST": {1: 10, 3: 30}, - "TEST_BASE": {1: 1, 2: 2}, - "TEST_LIST": [1, 2], - "TEST_BOOLEAN": False, - "TEST_STRING": "a string", - }, - ) + assert s.copy_to_dict() == { + "HASNOBASE": {3: 3000}, + "TEST": {1: 10, 3: 30}, + "TEST_BASE": {1: 1, 2: 2}, + "TEST_LIST": [1, 2], + "TEST_BOOLEAN": False, + "TEST_STRING": "a string", + } def test_freeze(self): self.settings.freeze() @@ -400,55 +395,55 @@ class BaseSettingsTest(unittest.TestCase): def test_frozencopy(self): frozencopy = self.settings.frozencopy() - self.assertTrue(frozencopy.frozen) - self.assertIsNot(frozencopy, self.settings) + assert frozencopy.frozen + assert frozencopy is not self.settings -class SettingsTest(unittest.TestCase): - def setUp(self): +class TestSettings: + def setup_method(self): self.settings = Settings() @mock.patch.dict("scrapy.settings.SETTINGS_PRIORITIES", {"default": 10}) @mock.patch("scrapy.settings.default_settings", default_settings) def test_initial_defaults(self): settings = Settings() - self.assertEqual(len(settings.attributes), 2) - self.assertIn("TEST_DEFAULT", settings.attributes) + assert len(settings.attributes) == 2 + assert "TEST_DEFAULT" in settings.attributes attr = settings.attributes["TEST_DEFAULT"] - self.assertIsInstance(attr, SettingsAttribute) - self.assertEqual(attr.value, "defvalue") - self.assertEqual(attr.priority, 10) + assert isinstance(attr, SettingsAttribute) + assert attr.value == "defvalue" + assert attr.priority == 10 @mock.patch.dict("scrapy.settings.SETTINGS_PRIORITIES", {}) @mock.patch("scrapy.settings.default_settings", {}) def test_initial_values(self): settings = Settings({"TEST_OPTION": "value"}, 10) - self.assertEqual(len(settings.attributes), 1) - self.assertIn("TEST_OPTION", settings.attributes) + assert len(settings.attributes) == 1 + assert "TEST_OPTION" in settings.attributes attr = settings.attributes["TEST_OPTION"] - self.assertIsInstance(attr, SettingsAttribute) - self.assertEqual(attr.value, "value") - self.assertEqual(attr.priority, 10) + assert isinstance(attr, SettingsAttribute) + assert attr.value == "value" + assert attr.priority == 10 @mock.patch("scrapy.settings.default_settings", default_settings) def test_autopromote_dicts(self): settings = Settings() mydict = settings.get("TEST_DICT") - self.assertIsInstance(mydict, BaseSettings) - self.assertIn("key", mydict) - self.assertEqual(mydict["key"], "val") # pylint: disable=unsubscriptable-object - self.assertEqual(mydict.getpriority("key"), 0) + assert isinstance(mydict, BaseSettings) + assert "key" in mydict + assert mydict["key"] == "val" + assert mydict.getpriority("key") == 0 @mock.patch("scrapy.settings.default_settings", default_settings) def test_getdict_autodegrade_basesettings(self): settings = Settings() mydict = settings.getdict("TEST_DICT") - self.assertIsInstance(mydict, dict) - self.assertEqual(len(mydict), 1) - self.assertIn("key", mydict) - self.assertEqual(mydict["key"], "val") + assert isinstance(mydict, dict) + assert len(mydict) == 1 + assert "key" in mydict + assert mydict["key"] == "val" def test_passing_objects_as_values(self): from scrapy.core.downloader.handlers.file import FileDownloadHandler @@ -470,19 +465,19 @@ class SettingsTest(unittest.TestCase): } ) - self.assertIn("ITEM_PIPELINES", settings.attributes) + assert "ITEM_PIPELINES" in settings.attributes mypipeline, priority = settings.getdict("ITEM_PIPELINES").popitem() - self.assertEqual(priority, 800) - self.assertEqual(mypipeline, TestPipeline) - self.assertIsInstance(mypipeline(), TestPipeline) - self.assertEqual(mypipeline().process_item("item", None), "item") + assert priority == 800 + assert mypipeline == TestPipeline + assert isinstance(mypipeline(), TestPipeline) + assert mypipeline().process_item("item", None) == "item" myhandler = settings.getdict("DOWNLOAD_HANDLERS").pop("ftp") - self.assertEqual(myhandler, FileDownloadHandler) + assert myhandler == FileDownloadHandler myhandler_instance = build_from_crawler(myhandler, get_crawler()) - self.assertIsInstance(myhandler_instance, FileDownloadHandler) - self.assertTrue(hasattr(myhandler_instance, "download_request")) + assert isinstance(myhandler_instance, FileDownloadHandler) + assert hasattr(myhandler_instance, "download_request") def test_pop_item_with_default_value(self): settings = Settings() @@ -491,14 +486,14 @@ class SettingsTest(unittest.TestCase): settings.pop("DUMMY_CONFIG") dummy_config_value = settings.pop("DUMMY_CONFIG", "dummy_value") - self.assertEqual(dummy_config_value, "dummy_value") + assert dummy_config_value == "dummy_value" def test_pop_item_with_immutable_settings(self): settings = Settings( {"DUMMY_CONFIG": "dummy_value", "OTHER_DUMMY_CONFIG": "other_dummy_value"} ) - self.assertEqual(settings.pop("DUMMY_CONFIG"), "dummy_value") + assert settings.pop("DUMMY_CONFIG") == "dummy_value" settings.freeze() From 7bbe775040d5d695bc3b48a73de5d6fa99312b4c Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Sun, 9 Mar 2025 23:24:45 +0400 Subject: [PATCH 420/786] Converting tests to plain asserts, part 5. (#6712) --- tests/test_logformatter.py | 93 +++++++-------- tests/test_logstats.py | 45 ++++---- tests/test_mail.py | 71 ++++++------ tests/test_middleware.py | 30 ++--- tests/test_pipelines.py | 16 +-- tests/test_pqueues.py | 113 +++++++++--------- tests/test_proxy_connect.py | 11 +- tests/test_request_attribute_binding.py | 26 ++--- tests/test_request_cb_kwargs.py | 30 ++--- tests/test_request_dict.py | 50 ++++---- tests/test_request_left.py | 8 +- tests/test_responsetypes.py | 8 +- tests/test_robotstxt_interface.py | 106 +++++++---------- tests/test_scheduler.py | 119 +++++++++---------- tests/test_scheduler_base.py | 59 +++++----- tests/test_selector.py | 145 +++++++++++------------- tests/test_signals.py | 6 +- tests/test_toplevel.py | 20 ++-- tests/test_urlparse_monkeypatches.py | 11 +- 19 files changed, 446 insertions(+), 521 deletions(-) diff --git a/tests/test_logformatter.py b/tests/test_logformatter.py index 962692a31..3c9f97631 100644 --- a/tests/test_logformatter.py +++ b/tests/test_logformatter.py @@ -1,11 +1,10 @@ import logging -import unittest import pytest from testfixtures import LogCapture from twisted.internet import defer from twisted.python.failure import Failure -from twisted.trial.unittest import TestCase as TwistedTestCase +from twisted.trial.unittest import TestCase from scrapy.exceptions import DropItem from scrapy.http import Request, Response @@ -24,8 +23,8 @@ class CustomItem(Item): return f"name: {self['name']}" -class LogFormatterTestCase(unittest.TestCase): - def setUp(self): +class TestLogFormatter: + def setup_method(self): self.formatter = LogFormatter() self.spider = Spider("default") self.spider.crawler = get_crawler() @@ -35,9 +34,7 @@ class LogFormatterTestCase(unittest.TestCase): res = Response("http://www.example.com") logkws = self.formatter.crawled(req, res, self.spider) logline = logkws["msg"] % logkws["args"] - self.assertEqual( - logline, "Crawled (200) (referer: None)" - ) + assert logline == "Crawled (200) (referer: None)" def test_crawled_without_referer(self): req = Request( @@ -46,9 +43,9 @@ class LogFormatterTestCase(unittest.TestCase): res = Response("http://www.example.com", flags=["cached"]) logkws = self.formatter.crawled(req, res, self.spider) logline = logkws["msg"] % logkws["args"] - self.assertEqual( - logline, - "Crawled (200) (referer: http://example.com) ['cached']", + assert ( + logline + == "Crawled (200) (referer: http://example.com) ['cached']" ) def test_flags_in_request(self): @@ -56,9 +53,9 @@ class LogFormatterTestCase(unittest.TestCase): res = Response("http://www.example.com") logkws = self.formatter.crawled(req, res, self.spider) logline = logkws["msg"] % logkws["args"] - self.assertEqual( - logline, - "Crawled (200) ['test', 'flag'] (referer: None)", + assert ( + logline + == "Crawled (200) ['test', 'flag'] (referer: None)" ) def test_dropped(self): @@ -69,7 +66,7 @@ class LogFormatterTestCase(unittest.TestCase): logline = logkws["msg"] % logkws["args"] lines = logline.splitlines() assert all(isinstance(x, str) for x in lines) - self.assertEqual(lines, ["Dropped: \u2018", "{}"]) + assert lines == ["Dropped: \u2018", "{}"] def test_dropitem_default_log_level(self): item = {} @@ -79,38 +76,38 @@ class LogFormatterTestCase(unittest.TestCase): spider.crawler = get_crawler(Spider) logkws = self.formatter.dropped(item, exception, response, spider) - self.assertEqual(logkws["level"], logging.WARNING) + assert logkws["level"] == logging.WARNING spider.crawler.settings.frozen = False spider.crawler.settings["DEFAULT_DROPITEM_LOG_LEVEL"] = logging.INFO spider.crawler.settings.frozen = True logkws = self.formatter.dropped(item, exception, response, spider) - self.assertEqual(logkws["level"], logging.INFO) + assert logkws["level"] == logging.INFO spider.crawler.settings.frozen = False spider.crawler.settings["DEFAULT_DROPITEM_LOG_LEVEL"] = "INFO" spider.crawler.settings.frozen = True logkws = self.formatter.dropped(item, exception, response, spider) - self.assertEqual(logkws["level"], logging.INFO) + assert logkws["level"] == logging.INFO spider.crawler.settings.frozen = False spider.crawler.settings["DEFAULT_DROPITEM_LOG_LEVEL"] = 10 spider.crawler.settings.frozen = True logkws = self.formatter.dropped(item, exception, response, spider) - self.assertEqual(logkws["level"], logging.DEBUG) + assert logkws["level"] == logging.DEBUG spider.crawler.settings.frozen = False spider.crawler.settings["DEFAULT_DROPITEM_LOG_LEVEL"] = 0 spider.crawler.settings.frozen = True logkws = self.formatter.dropped(item, exception, response, spider) - self.assertEqual(logkws["level"], logging.NOTSET) + assert logkws["level"] == logging.NOTSET unsupported_value = object() spider.crawler.settings.frozen = False spider.crawler.settings["DEFAULT_DROPITEM_LOG_LEVEL"] = unsupported_value spider.crawler.settings.frozen = True logkws = self.formatter.dropped(item, exception, response, spider) - self.assertEqual(logkws["level"], unsupported_value) + assert logkws["level"] == unsupported_value with pytest.raises(TypeError): logging.log(logkws["level"], "message") @@ -121,11 +118,11 @@ class LogFormatterTestCase(unittest.TestCase): exception = DropItem("Test drop", log_level="INFO") logkws = self.formatter.dropped(item, exception, response, self.spider) - self.assertEqual(logkws["level"], logging.INFO) + assert logkws["level"] == logging.INFO exception = DropItem("Test drop", log_level="ERROR") logkws = self.formatter.dropped(item, exception, response, self.spider) - self.assertEqual(logkws["level"], logging.ERROR) + assert logkws["level"] == logging.ERROR def test_item_error(self): # In practice, the complete traceback is shown by passing the @@ -135,7 +132,7 @@ class LogFormatterTestCase(unittest.TestCase): response = Response("http://www.example.com") logkws = self.formatter.item_error(item, exception, response, self.spider) logline = logkws["msg"] % logkws["args"] - self.assertEqual(logline, "Error processing {'key': 'value'}") + assert logline == "Error processing {'key': 'value'}" def test_spider_error(self): # In practice, the complete traceback is shown by passing the @@ -147,9 +144,9 @@ class LogFormatterTestCase(unittest.TestCase): response = Response("http://www.example.com", request=request) logkws = self.formatter.spider_error(failure, request, response, self.spider) logline = logkws["msg"] % logkws["args"] - self.assertEqual( - logline, - "Spider error processing (referer: http://example.org)", + assert ( + logline + == "Spider error processing (referer: http://example.org)" ) def test_download_error_short(self): @@ -159,7 +156,7 @@ class LogFormatterTestCase(unittest.TestCase): request = Request("http://www.example.com") logkws = self.formatter.download_error(failure, request, self.spider) logline = logkws["msg"] % logkws["args"] - self.assertEqual(logline, "Error downloading ") + assert logline == "Error downloading " def test_download_error_long(self): # In practice, the complete traceback is shown by passing the @@ -170,9 +167,7 @@ class LogFormatterTestCase(unittest.TestCase): failure, request, self.spider, "Some message" ) logline = logkws["msg"] % logkws["args"] - self.assertEqual( - logline, "Error downloading : Some message" - ) + assert logline == "Error downloading : Some message" def test_scraped(self): item = CustomItem() @@ -182,9 +177,7 @@ class LogFormatterTestCase(unittest.TestCase): logline = logkws["msg"] % logkws["args"] lines = logline.splitlines() assert all(isinstance(x, str) for x in lines) - self.assertEqual( - lines, ["Scraped from <200 http://www.example.com>", "name: \xa3"] - ) + assert lines == ["Scraped from <200 http://www.example.com>", "name: \xa3"] class LogFormatterSubclass(LogFormatter): @@ -200,8 +193,8 @@ class LogFormatterSubclass(LogFormatter): } -class LogformatterSubclassTest(LogFormatterTestCase): - def setUp(self): +class TestLogformatterSubclass(TestLogFormatter): + def setup_method(self): self.formatter = LogFormatterSubclass() self.spider = Spider("default") self.spider.crawler = get_crawler(Spider) @@ -211,8 +204,8 @@ class LogformatterSubclassTest(LogFormatterTestCase): res = Response("http://www.example.com") logkws = self.formatter.crawled(req, res, self.spider) logline = logkws["msg"] % logkws["args"] - self.assertEqual( - logline, "Crawled (200) (referer: None) []" + assert ( + logline == "Crawled (200) (referer: None) []" ) def test_crawled_without_referer(self): @@ -224,9 +217,9 @@ class LogformatterSubclassTest(LogFormatterTestCase): res = Response("http://www.example.com") logkws = self.formatter.crawled(req, res, self.spider) logline = logkws["msg"] % logkws["args"] - self.assertEqual( - logline, - "Crawled (200) (referer: http://example.com) ['cached']", + assert ( + logline + == "Crawled (200) (referer: http://example.com) ['cached']" ) def test_flags_in_request(self): @@ -234,9 +227,9 @@ class LogformatterSubclassTest(LogFormatterTestCase): res = Response("http://www.example.com") logkws = self.formatter.crawled(req, res, self.spider) logline = logkws["msg"] % logkws["args"] - self.assertEqual( - logline, - "Crawled (200) (referer: None) ['test', 'flag']", + assert ( + logline + == "Crawled (200) (referer: None) ['test', 'flag']" ) @@ -261,7 +254,7 @@ class DropSomeItemsPipeline: self.drop = True -class ShowOrSkipMessagesTestCase(TwistedTestCase): +class TestShowOrSkipMessages(TestCase): @classmethod def setUpClass(cls): cls.mockserver = MockServer() @@ -284,9 +277,9 @@ class ShowOrSkipMessagesTestCase(TwistedTestCase): crawler = get_crawler(ItemSpider, self.base_settings) with LogCapture() as lc: yield crawler.crawl(mockserver=self.mockserver) - self.assertIn("Scraped from <200 http://127.0.0.1:", str(lc)) - self.assertIn("Crawled (200) body

") - self.assertEqual(msg.get("Content-Type"), "text/html") + assert msg.get_payload() == "

body

" + assert msg.get("Content-Type") == "text/html" def test_send_attach(self): attach = BytesIO() @@ -70,22 +69,22 @@ class MailSenderTest(unittest.TestCase): ) assert self.catched_msg - self.assertEqual(self.catched_msg["to"], ["test@scrapy.org"]) - self.assertEqual(self.catched_msg["subject"], "subject") - self.assertEqual(self.catched_msg["body"], "body") + assert self.catched_msg["to"] == ["test@scrapy.org"] + assert self.catched_msg["subject"] == "subject" + assert self.catched_msg["body"] == "body" msg = self.catched_msg["msg"] - self.assertEqual(msg["to"], "test@scrapy.org") - self.assertEqual(msg["subject"], "subject") + assert msg["to"] == "test@scrapy.org" + assert msg["subject"] == "subject" payload = msg.get_payload() assert isinstance(payload, list) - self.assertEqual(len(payload), 2) + assert len(payload) == 2 text, attach = payload - self.assertEqual(text.get_payload(decode=True), b"body") - self.assertEqual(text.get_charset(), Charset("us-ascii")) - self.assertEqual(attach.get_payload(decode=True), b"content") + assert text.get_payload(decode=True) == b"body" + assert text.get_charset() == Charset("us-ascii") + assert attach.get_payload(decode=True) == b"content" def _catch_mail_sent(self, **kwargs): self.catched_msg = {**kwargs} @@ -103,14 +102,14 @@ class MailSenderTest(unittest.TestCase): ) assert self.catched_msg - self.assertEqual(self.catched_msg["subject"], subject) - self.assertEqual(self.catched_msg["body"], body) + assert self.catched_msg["subject"] == subject + assert self.catched_msg["body"] == body msg = self.catched_msg["msg"] - self.assertEqual(msg["subject"], subject) - self.assertEqual(msg.get_payload(decode=True).decode("utf-8"), body) - self.assertEqual(msg.get_charset(), Charset("utf-8")) - self.assertEqual(msg.get("Content-Type"), 'text/plain; charset="utf-8"') + assert msg["subject"] == subject + assert msg.get_payload(decode=True).decode("utf-8") == body + assert msg.get_charset() == Charset("utf-8") + assert msg.get("Content-Type") == 'text/plain; charset="utf-8"' def test_send_attach_utf8(self): subject = "sübjèçt" @@ -131,22 +130,22 @@ class MailSenderTest(unittest.TestCase): ) assert self.catched_msg - self.assertEqual(self.catched_msg["subject"], subject) - self.assertEqual(self.catched_msg["body"], body) + assert self.catched_msg["subject"] == subject + assert self.catched_msg["body"] == body msg = self.catched_msg["msg"] - self.assertEqual(msg["subject"], subject) - self.assertEqual(msg.get_charset(), Charset("utf-8")) - self.assertEqual(msg.get("Content-Type"), 'multipart/mixed; charset="utf-8"') + assert msg["subject"] == subject + assert msg.get_charset() == Charset("utf-8") + assert msg.get("Content-Type") == 'multipart/mixed; charset="utf-8"' payload = msg.get_payload() assert isinstance(payload, list) - self.assertEqual(len(payload), 2) + assert len(payload) == 2 text, attach = payload - self.assertEqual(text.get_payload(decode=True).decode("utf-8"), body) - self.assertEqual(text.get_charset(), Charset("utf-8")) - self.assertEqual(attach.get_payload(decode=True).decode("utf-8"), body) + assert text.get_payload(decode=True).decode("utf-8") == body + assert text.get_charset() == Charset("utf-8") + assert attach.get_payload(decode=True).decode("utf-8") == body def test_create_sender_factory_with_host(self): mailsender = MailSender(debug=False, smtphost="smtp.testhost.com") @@ -156,4 +155,4 @@ class MailSenderTest(unittest.TestCase): ) context = factory.buildProtocol("test@scrapy.org").context - self.assertIsInstance(context, ClientTLSOptions) + assert isinstance(context, ClientTLSOptions) diff --git a/tests/test_middleware.py b/tests/test_middleware.py index 0cc532570..d004d4d93 100644 --- a/tests/test_middleware.py +++ b/tests/test_middleware.py @@ -1,5 +1,3 @@ -from twisted.trial import unittest - from scrapy.exceptions import NotConfigured from scrapy.middleware import MiddlewareManager from scrapy.utils.test import get_crawler @@ -51,37 +49,27 @@ class MyMiddlewareManager(MiddlewareManager): self.methods["process"].append(mw.process) -class MiddlewareManagerTest(unittest.TestCase): +class TestMiddlewareManager: def test_init(self): m1, m2, m3 = M1(), M2(), M3() mwman = MyMiddlewareManager(m1, m2, m3) - self.assertEqual( - list(mwman.methods["open_spider"]), [m1.open_spider, m2.open_spider] - ) - self.assertEqual( - list(mwman.methods["close_spider"]), [m2.close_spider, m1.close_spider] - ) - self.assertEqual(list(mwman.methods["process"]), [m1.process, m3.process]) + assert list(mwman.methods["open_spider"]) == [m1.open_spider, m2.open_spider] + assert list(mwman.methods["close_spider"]) == [m2.close_spider, m1.close_spider] + assert list(mwman.methods["process"]) == [m1.process, m3.process] def test_methods(self): mwman = MyMiddlewareManager(M1(), M2(), M3()) - self.assertEqual( - [x.__self__.__class__ for x in mwman.methods["open_spider"]], [M1, M2] - ) - self.assertEqual( - [x.__self__.__class__ for x in mwman.methods["close_spider"]], [M2, M1] - ) - self.assertEqual( - [x.__self__.__class__ for x in mwman.methods["process"]], [M1, M3] - ) + assert [x.__self__.__class__ for x in mwman.methods["open_spider"]] == [M1, M2] + assert [x.__self__.__class__ for x in mwman.methods["close_spider"]] == [M2, M1] + assert [x.__self__.__class__ for x in mwman.methods["process"]] == [M1, M3] def test_enabled(self): m1, m2, m3 = M1(), M2(), M3() mwman = MiddlewareManager(m1, m2, m3) - self.assertEqual(mwman.middlewares, (m1, m2, m3)) + assert mwman.middlewares == (m1, m2, m3) def test_enabled_from_settings(self): crawler = get_crawler() mwman = MyMiddlewareManager.from_crawler(crawler) classes = [x.__class__ for x in mwman.middlewares] - self.assertEqual(classes, [M1, M3]) + assert classes == [M1, M3] diff --git a/tests/test_pipelines.py b/tests/test_pipelines.py index 0ae86235c..743d9774b 100644 --- a/tests/test_pipelines.py +++ b/tests/test_pipelines.py @@ -76,7 +76,7 @@ class ItemSpider(Spider): return {"field": 42} -class PipelineTestCase(unittest.TestCase): +class TestPipeline(unittest.TestCase): @classmethod def setUpClass(cls): cls.mockserver = MockServer() @@ -87,8 +87,8 @@ class PipelineTestCase(unittest.TestCase): cls.mockserver.__exit__(None, None, None) def _on_item_scraped(self, item): - self.assertIsInstance(item, dict) - self.assertTrue(item.get("pipeline_passed")) + assert isinstance(item, dict) + assert item.get("pipeline_passed") self.items.append(item) def _create_crawler(self, pipeline_class): @@ -104,30 +104,30 @@ class PipelineTestCase(unittest.TestCase): def test_simple_pipeline(self): crawler = self._create_crawler(SimplePipeline) yield crawler.crawl(mockserver=self.mockserver) - self.assertEqual(len(self.items), 1) + assert len(self.items) == 1 @defer.inlineCallbacks def test_deferred_pipeline(self): crawler = self._create_crawler(DeferredPipeline) yield crawler.crawl(mockserver=self.mockserver) - self.assertEqual(len(self.items), 1) + assert len(self.items) == 1 @defer.inlineCallbacks def test_asyncdef_pipeline(self): crawler = self._create_crawler(AsyncDefPipeline) yield crawler.crawl(mockserver=self.mockserver) - self.assertEqual(len(self.items), 1) + assert len(self.items) == 1 @pytest.mark.only_asyncio @defer.inlineCallbacks def test_asyncdef_asyncio_pipeline(self): crawler = self._create_crawler(AsyncDefAsyncioPipeline) yield crawler.crawl(mockserver=self.mockserver) - self.assertEqual(len(self.items), 1) + assert len(self.items) == 1 @pytest.mark.only_not_asyncio @defer.inlineCallbacks def test_asyncdef_not_asyncio_pipeline(self): crawler = self._create_crawler(AsyncDefNotAsyncioPipeline) yield crawler.crawl(mockserver=self.mockserver) - self.assertEqual(len(self.items), 1) + assert len(self.items) == 1 diff --git a/tests/test_pqueues.py b/tests/test_pqueues.py index c223c4562..d5c710ed2 100644 --- a/tests/test_pqueues.py +++ b/tests/test_pqueues.py @@ -1,5 +1,4 @@ import tempfile -import unittest import pytest import queuelib @@ -12,8 +11,8 @@ from scrapy.utils.test import get_crawler from tests.test_scheduler import MockDownloader, MockEngine -class PriorityQueueTest(unittest.TestCase): - def setUp(self): +class TestPriorityQueue: + def setup_method(self): self.crawler = get_crawler(Spider) self.spider = self.crawler._create_spider("foo") @@ -22,20 +21,20 @@ class PriorityQueueTest(unittest.TestCase): queue = ScrapyPriorityQueue.from_crawler( self.crawler, FifoMemoryQueue, temp_dir ) - self.assertIsNone(queue.pop()) - self.assertEqual(len(queue), 0) + assert queue.pop() is None + assert len(queue) == 0 req1 = Request("https://example.org/1", priority=1) queue.push(req1) - self.assertEqual(len(queue), 1) + assert len(queue) == 1 dequeued = queue.pop() - self.assertEqual(len(queue), 0) - self.assertEqual(dequeued.url, req1.url) - self.assertEqual(dequeued.priority, req1.priority) - self.assertEqual(queue.close(), []) + assert len(queue) == 0 + assert dequeued.url == req1.url + assert dequeued.priority == req1.priority + assert not queue.close() def test_no_peek_raises(self): if hasattr(queuelib.queue.FifoMemoryQueue, "peek"): - raise unittest.SkipTest("queuelib.queue.FifoMemoryQueue.peek is defined") + pytest.skip("queuelib.queue.FifoMemoryQueue.peek is defined") temp_dir = tempfile.mkdtemp() queue = ScrapyPriorityQueue.from_crawler( self.crawler, FifoMemoryQueue, temp_dir @@ -50,53 +49,53 @@ class PriorityQueueTest(unittest.TestCase): def test_peek(self): if not hasattr(queuelib.queue.FifoMemoryQueue, "peek"): - raise unittest.SkipTest("queuelib.queue.FifoMemoryQueue.peek is undefined") + pytest.skip("queuelib.queue.FifoMemoryQueue.peek is undefined") temp_dir = tempfile.mkdtemp() queue = ScrapyPriorityQueue.from_crawler( self.crawler, FifoMemoryQueue, temp_dir ) - self.assertEqual(len(queue), 0) - self.assertIsNone(queue.peek()) + assert len(queue) == 0 + assert queue.peek() is None req1 = Request("https://example.org/1") req2 = Request("https://example.org/2") req3 = Request("https://example.org/3") queue.push(req1) queue.push(req2) queue.push(req3) - self.assertEqual(len(queue), 3) - self.assertEqual(queue.peek().url, req1.url) - self.assertEqual(queue.pop().url, req1.url) - self.assertEqual(len(queue), 2) - self.assertEqual(queue.peek().url, req2.url) - self.assertEqual(queue.pop().url, req2.url) - self.assertEqual(len(queue), 1) - self.assertEqual(queue.peek().url, req3.url) - self.assertEqual(queue.pop().url, req3.url) - self.assertEqual(queue.close(), []) + assert len(queue) == 3 + assert queue.peek().url == req1.url + assert queue.pop().url == req1.url + assert len(queue) == 2 + assert queue.peek().url == req2.url + assert queue.pop().url == req2.url + assert len(queue) == 1 + assert queue.peek().url == req3.url + assert queue.pop().url == req3.url + assert not queue.close() def test_queue_push_pop_priorities(self): temp_dir = tempfile.mkdtemp() queue = ScrapyPriorityQueue.from_crawler( self.crawler, FifoMemoryQueue, temp_dir, [-1, -2, -3] ) - self.assertIsNone(queue.pop()) - self.assertEqual(len(queue), 0) + assert queue.pop() is None + assert len(queue) == 0 req1 = Request("https://example.org/1", priority=1) req2 = Request("https://example.org/2", priority=2) req3 = Request("https://example.org/3", priority=3) queue.push(req1) queue.push(req2) queue.push(req3) - self.assertEqual(len(queue), 3) + assert len(queue) == 3 dequeued = queue.pop() - self.assertEqual(len(queue), 2) - self.assertEqual(dequeued.url, req3.url) - self.assertEqual(dequeued.priority, req3.priority) - self.assertEqual(queue.close(), [-1, -2]) + assert len(queue) == 2 + assert dequeued.url == req3.url + assert dequeued.priority == req3.priority + assert queue.close() == [-1, -2] -class DownloaderAwarePriorityQueueTest(unittest.TestCase): - def setUp(self): +class TestDownloaderAwarePriorityQueue: + def setup_method(self): crawler = get_crawler(Spider) crawler.engine = MockEngine(downloader=MockDownloader()) self.queue = DownloaderAwarePriorityQueue.from_crawler( @@ -105,30 +104,30 @@ class DownloaderAwarePriorityQueueTest(unittest.TestCase): key="foo/bar", ) - def tearDown(self): + def teardown_method(self): self.queue.close() def test_push_pop(self): - self.assertEqual(len(self.queue), 0) - self.assertIsNone(self.queue.pop()) + assert len(self.queue) == 0 + assert self.queue.pop() is None req1 = Request("http://www.example.com/1") req2 = Request("http://www.example.com/2") req3 = Request("http://www.example.com/3") self.queue.push(req1) self.queue.push(req2) self.queue.push(req3) - self.assertEqual(len(self.queue), 3) - self.assertEqual(self.queue.pop().url, req1.url) - self.assertEqual(len(self.queue), 2) - self.assertEqual(self.queue.pop().url, req2.url) - self.assertEqual(len(self.queue), 1) - self.assertEqual(self.queue.pop().url, req3.url) - self.assertEqual(len(self.queue), 0) - self.assertIsNone(self.queue.pop()) + assert len(self.queue) == 3 + assert self.queue.pop().url == req1.url + assert len(self.queue) == 2 + assert self.queue.pop().url == req2.url + assert len(self.queue) == 1 + assert self.queue.pop().url == req3.url + assert len(self.queue) == 0 + assert self.queue.pop() is None def test_no_peek_raises(self): if hasattr(queuelib.queue.FifoMemoryQueue, "peek"): - raise unittest.SkipTest("queuelib.queue.FifoMemoryQueue.peek is defined") + pytest.skip("queuelib.queue.FifoMemoryQueue.peek is defined") self.queue.push(Request("https://example.org")) with pytest.raises( NotImplementedError, @@ -138,21 +137,21 @@ class DownloaderAwarePriorityQueueTest(unittest.TestCase): def test_peek(self): if not hasattr(queuelib.queue.FifoMemoryQueue, "peek"): - raise unittest.SkipTest("queuelib.queue.FifoMemoryQueue.peek is undefined") - self.assertEqual(len(self.queue), 0) + pytest.skip("queuelib.queue.FifoMemoryQueue.peek is undefined") + assert len(self.queue) == 0 req1 = Request("https://example.org/1") req2 = Request("https://example.org/2") req3 = Request("https://example.org/3") self.queue.push(req1) self.queue.push(req2) self.queue.push(req3) - self.assertEqual(len(self.queue), 3) - self.assertEqual(self.queue.peek().url, req1.url) - self.assertEqual(self.queue.pop().url, req1.url) - self.assertEqual(len(self.queue), 2) - self.assertEqual(self.queue.peek().url, req2.url) - self.assertEqual(self.queue.pop().url, req2.url) - self.assertEqual(len(self.queue), 1) - self.assertEqual(self.queue.peek().url, req3.url) - self.assertEqual(self.queue.pop().url, req3.url) - self.assertIsNone(self.queue.peek()) + assert len(self.queue) == 3 + assert self.queue.peek().url == req1.url + assert self.queue.pop().url == req1.url + assert len(self.queue) == 2 + assert self.queue.peek().url == req2.url + assert self.queue.pop().url == req2.url + assert len(self.queue) == 1 + assert self.queue.peek().url == req3.url + assert self.queue.pop().url == req3.url + assert self.queue.peek() is None diff --git a/tests/test_proxy_connect.py b/tests/test_proxy_connect.py index 6ed7e93a6..885b7b7ae 100644 --- a/tests/test_proxy_connect.py +++ b/tests/test_proxy_connect.py @@ -6,6 +6,7 @@ from pathlib import Path from subprocess import PIPE, Popen from urllib.parse import urlsplit, urlunsplit +import pytest from testfixtures import LogCapture from twisted.internet import defer from twisted.trial.unittest import TestCase @@ -61,7 +62,7 @@ def _wrong_credentials(proxy_url): return urlunsplit(bad_auth_proxy) -class ProxyConnectTestCase(TestCase): +class TestProxyConnect(TestCase): @classmethod def setUpClass(cls): cls.mockserver = MockServer() @@ -75,7 +76,7 @@ class ProxyConnectTestCase(TestCase): try: import mitmproxy # noqa: F401 except ImportError: - self.skipTest("mitmproxy is not installed") + pytest.skip("mitmproxy is not installed") self._oldenv = os.environ.copy() @@ -113,12 +114,12 @@ class ProxyConnectTestCase(TestCase): yield crawler.crawl(seed=request) self._assert_got_response_code(200, log) echo = json.loads(crawler.spider.meta["responses"][0].text) - self.assertTrue("Proxy-Authorization" not in echo["headers"]) + assert "Proxy-Authorization" not in echo["headers"] def _assert_got_response_code(self, code, log): print(log) - self.assertEqual(str(log).count(f"Crawled ({code})"), 1) + assert str(log).count(f"Crawled ({code})") == 1 def _assert_got_tunnel_error(self, log): print(log) - self.assertIn("TunnelError", str(log)) + assert "TunnelError" in str(log) diff --git a/tests/test_request_attribute_binding.py b/tests/test_request_attribute_binding.py index 0072660a7..9b42fd6c7 100644 --- a/tests/test_request_attribute_binding.py +++ b/tests/test_request_attribute_binding.py @@ -56,7 +56,7 @@ class AlternativeCallbacksMiddleware: return response.replace(request=new_request) -class CrawlTestCase(TestCase): +class TestCrawl(TestCase): @classmethod def setUpClass(cls): cls.mockserver = MockServer() @@ -72,7 +72,7 @@ class CrawlTestCase(TestCase): crawler = get_crawler(SingleRequestSpider) yield crawler.crawl(seed=url, mockserver=self.mockserver) response = crawler.spider.meta["responses"][0] - self.assertEqual(response.request.url, url) + assert response.request.url == url @defer.inlineCallbacks def test_response_error(self): @@ -82,8 +82,8 @@ class CrawlTestCase(TestCase): yield crawler.crawl(seed=url, mockserver=self.mockserver) failure = crawler.spider.meta["failure"] response = failure.value.response - self.assertEqual(failure.request.url, url) - self.assertEqual(response.request.url, url) + assert failure.request.url == url + assert response.request.url == url @defer.inlineCallbacks def test_downloader_middleware_raise_exception(self): @@ -98,8 +98,8 @@ class CrawlTestCase(TestCase): ) yield crawler.crawl(seed=url, mockserver=self.mockserver) failure = crawler.spider.meta["failure"] - self.assertEqual(failure.request.url, url) - self.assertIsInstance(failure.value, ZeroDivisionError) + assert failure.request.url == url + assert isinstance(failure.value, ZeroDivisionError) @defer.inlineCallbacks def test_downloader_middleware_override_request_in_process_response(self): @@ -131,10 +131,10 @@ class CrawlTestCase(TestCase): yield crawler.crawl(seed=url, mockserver=self.mockserver) response = crawler.spider.meta["responses"][0] - self.assertEqual(response.request.url, OVERRIDDEN_URL) + assert response.request.url == OVERRIDDEN_URL - self.assertEqual(signal_params["response"].url, url) - self.assertEqual(signal_params["request"].url, OVERRIDDEN_URL) + assert signal_params["response"].url == url + assert signal_params["request"].url == OVERRIDDEN_URL log.check_present( ( @@ -164,8 +164,8 @@ class CrawlTestCase(TestCase): ) yield crawler.crawl(seed=url, mockserver=self.mockserver) response = crawler.spider.meta["responses"][0] - self.assertEqual(response.body, b"Caught ZeroDivisionError") - self.assertEqual(response.request.url, OVERRIDDEN_URL) + assert response.body == b"Caught ZeroDivisionError" + assert response.request.url == OVERRIDDEN_URL @defer.inlineCallbacks def test_downloader_middleware_do_not_override_in_process_exception(self): @@ -187,8 +187,8 @@ class CrawlTestCase(TestCase): ) yield crawler.crawl(seed=url, mockserver=self.mockserver) response = crawler.spider.meta["responses"][0] - self.assertEqual(response.body, b"Caught ZeroDivisionError") - self.assertEqual(response.request.url, url) + assert response.body == b"Caught ZeroDivisionError" + assert response.request.url == url @defer.inlineCallbacks def test_downloader_middleware_alternative_callback(self): diff --git a/tests/test_request_cb_kwargs.py b/tests/test_request_cb_kwargs.py index a21cb43ff..ab6baa5f0 100644 --- a/tests/test_request_cb_kwargs.py +++ b/tests/test_request_cb_kwargs.py @@ -151,7 +151,7 @@ class KeywordArgumentsSpider(MockServerSpider): self.crawler.stats.inc_value("boolean_checks", 1) -class CallbackKeywordArgumentsTestCase(TestCase): +class TestCallbackKeywordArguments(TestCase): maxDiff = None @classmethod @@ -168,27 +168,19 @@ class CallbackKeywordArgumentsTestCase(TestCase): crawler = get_crawler(KeywordArgumentsSpider) with LogCapture() as log: yield crawler.crawl(mockserver=self.mockserver) - self.assertTrue(all(crawler.spider.checks)) - self.assertEqual( - len(crawler.spider.checks), crawler.stats.get_value("boolean_checks") - ) + assert all(crawler.spider.checks) + assert len(crawler.spider.checks) == crawler.stats.get_value("boolean_checks") # check exceptions for argument mismatch exceptions = {} for line in log.records: for key in ("takes_less", "takes_more"): if key in line.getMessage(): exceptions[key] = line - self.assertEqual(exceptions["takes_less"].exc_info[0], TypeError) - self.assertTrue( - str(exceptions["takes_less"].exc_info[1]).endswith( - "parse_takes_less() got an unexpected keyword argument 'number'" - ), - msg="Exception message: " + str(exceptions["takes_less"].exc_info[1]), - ) - self.assertEqual(exceptions["takes_more"].exc_info[0], TypeError) - self.assertTrue( - str(exceptions["takes_more"].exc_info[1]).endswith( - "parse_takes_more() missing 1 required positional argument: 'other'" - ), - msg="Exception message: " + str(exceptions["takes_more"].exc_info[1]), - ) + assert exceptions["takes_less"].exc_info[0] is TypeError + assert str(exceptions["takes_less"].exc_info[1]).endswith( + "parse_takes_less() got an unexpected keyword argument 'number'" + ), "Exception message: " + str(exceptions["takes_less"].exc_info[1]) + assert exceptions["takes_more"].exc_info[0] is TypeError + assert str(exceptions["takes_more"].exc_info[1]).endswith( + "parse_takes_more() missing 1 required positional argument: 'other'" + ), "Exception message: " + str(exceptions["takes_more"].exc_info[1]) diff --git a/tests/test_request_dict.py b/tests/test_request_dict.py index 2c605a015..ea7018541 100644 --- a/tests/test_request_dict.py +++ b/tests/test_request_dict.py @@ -1,5 +1,3 @@ -import unittest - import pytest from scrapy import Request, Spider @@ -11,8 +9,8 @@ class CustomRequest(Request): pass -class RequestSerializationTest(unittest.TestCase): - def setUp(self): +class TestRequestSerialization: + def setup_method(self): self.spider = MethodsSpider() def test_basic(self): @@ -50,23 +48,23 @@ class RequestSerializationTest(unittest.TestCase): self._assert_same_request(request, request2) def _assert_same_request(self, r1, r2): - self.assertEqual(r1.__class__, r2.__class__) - self.assertEqual(r1.url, r2.url) - self.assertEqual(r1.callback, r2.callback) - self.assertEqual(r1.errback, r2.errback) - self.assertEqual(r1.method, r2.method) - self.assertEqual(r1.body, r2.body) - self.assertEqual(r1.headers, r2.headers) - self.assertEqual(r1.cookies, r2.cookies) - self.assertEqual(r1.meta, r2.meta) - self.assertEqual(r1.cb_kwargs, r2.cb_kwargs) - self.assertEqual(r1.encoding, r2.encoding) - self.assertEqual(r1._encoding, r2._encoding) - self.assertEqual(r1.priority, r2.priority) - self.assertEqual(r1.dont_filter, r2.dont_filter) - self.assertEqual(r1.flags, r2.flags) + assert r1.__class__ == r2.__class__ + assert r1.url == r2.url + assert r1.callback == r2.callback + assert r1.errback == r2.errback + assert r1.method == r2.method + assert r1.body == r2.body + assert r1.headers == r2.headers + assert r1.cookies == r2.cookies + assert r1.meta == r2.meta + assert r1.cb_kwargs == r2.cb_kwargs + assert r1.encoding == r2.encoding + assert r1._encoding == r2._encoding + assert r1.priority == r2.priority + assert r1.dont_filter == r2.dont_filter + assert r1.flags == r2.flags if isinstance(r1, JsonRequest): - self.assertEqual(r1.dumps_kwargs, r2.dumps_kwargs) + assert r1.dumps_kwargs == r2.dumps_kwargs def test_request_class(self): r1 = FormRequest("http://www.example.com") @@ -92,8 +90,8 @@ class RequestSerializationTest(unittest.TestCase): ) self._assert_serializes_ok(r, spider=self.spider) request_dict = r.to_dict(spider=self.spider) - self.assertEqual(request_dict["callback"], "parse_item_reference") - self.assertEqual(request_dict["errback"], "handle_error_reference") + assert request_dict["callback"] == "parse_item_reference" + assert request_dict["errback"] == "handle_error_reference" def test_private_reference_callback_serialization(self): r = Request( @@ -103,12 +101,8 @@ class RequestSerializationTest(unittest.TestCase): ) self._assert_serializes_ok(r, spider=self.spider) request_dict = r.to_dict(spider=self.spider) - self.assertEqual( - request_dict["callback"], "_MethodsSpider__parse_item_reference" - ) - self.assertEqual( - request_dict["errback"], "_MethodsSpider__handle_error_reference" - ) + assert request_dict["callback"] == "_MethodsSpider__parse_item_reference" + assert request_dict["errback"] == "_MethodsSpider__handle_error_reference" def test_private_callback_serialization(self): r = Request( diff --git a/tests/test_request_left.py b/tests/test_request_left.py index cf4c8a2d5..d55905f9c 100644 --- a/tests/test_request_left.py +++ b/tests/test_request_left.py @@ -38,22 +38,22 @@ class TestCatching(TestCase): def test_success(self): crawler = get_crawler(SignalCatcherSpider) yield crawler.crawl(self.mockserver.url("/status?n=200")) - self.assertEqual(crawler.spider.caught_times, 1) + assert crawler.spider.caught_times == 1 @defer.inlineCallbacks def test_timeout(self): crawler = get_crawler(SignalCatcherSpider, {"DOWNLOAD_TIMEOUT": 0.1}) yield crawler.crawl(self.mockserver.url("/delay?n=0.2")) - self.assertEqual(crawler.spider.caught_times, 1) + assert crawler.spider.caught_times == 1 @defer.inlineCallbacks def test_disconnect(self): crawler = get_crawler(SignalCatcherSpider) yield crawler.crawl(self.mockserver.url("/drop")) - self.assertEqual(crawler.spider.caught_times, 1) + assert crawler.spider.caught_times == 1 @defer.inlineCallbacks def test_noconnect(self): crawler = get_crawler(SignalCatcherSpider) yield crawler.crawl("http://thereisdefinetelynosuchdomain.com") - self.assertEqual(crawler.spider.caught_times, 1) + assert crawler.spider.caught_times == 1 diff --git a/tests/test_responsetypes.py b/tests/test_responsetypes.py index f9f56ff97..5b04c7436 100644 --- a/tests/test_responsetypes.py +++ b/tests/test_responsetypes.py @@ -1,5 +1,3 @@ -import unittest - from scrapy.http import ( Headers, HtmlResponse, @@ -11,7 +9,7 @@ from scrapy.http import ( from scrapy.responsetypes import responsetypes -class ResponseTypesTest(unittest.TestCase): +class TestResponseTypes: def test_from_filename(self): mappings = [ ("data.bin", Response), @@ -123,6 +121,4 @@ class ResponseTypesTest(unittest.TestCase): def test_custom_mime_types_loaded(self): # check that mime.types files shipped with scrapy are loaded - self.assertEqual( - responsetypes.mimetypes.guess_type("x.scrapytest")[0], "x-scrapy/test" - ) + assert responsetypes.mimetypes.guess_type("x.scrapytest")[0] == "x-scrapy/test" diff --git a/tests/test_robotstxt_interface.py b/tests/test_robotstxt_interface.py index 0d00ff660..221ccabe6 100644 --- a/tests/test_robotstxt_interface.py +++ b/tests/test_robotstxt_interface.py @@ -1,4 +1,4 @@ -from twisted.trial import unittest +import pytest from scrapy.robotstxt import decode_robotstxt @@ -32,8 +32,8 @@ class BaseRobotParserTest: rp = self.parser_cls.from_crawler( crawler=None, robotstxt_body=robotstxt_robotstxt_body ) - self.assertTrue(rp.allowed("https://www.site.local/allowed", "*")) - self.assertFalse(rp.allowed("https://www.site.local/disallowed", "*")) + assert rp.allowed("https://www.site.local/allowed", "*") + assert not rp.allowed("https://www.site.local/disallowed", "*") def test_allowed_wildcards(self): robotstxt_robotstxt_body = b"""User-agent: first @@ -47,42 +47,36 @@ class BaseRobotParserTest: crawler=None, robotstxt_body=robotstxt_robotstxt_body ) - self.assertTrue(rp.allowed("https://www.site.local/disallowed", "first")) - self.assertFalse( - rp.allowed("https://www.site.local/disallowed/xyz/end", "first") - ) - self.assertFalse( - rp.allowed("https://www.site.local/disallowed/abc/end", "first") - ) - self.assertTrue( - rp.allowed("https://www.site.local/disallowed/xyz/endinglater", "first") - ) + assert rp.allowed("https://www.site.local/disallowed", "first") + assert not rp.allowed("https://www.site.local/disallowed/xyz/end", "first") + assert not rp.allowed("https://www.site.local/disallowed/abc/end", "first") + assert rp.allowed("https://www.site.local/disallowed/xyz/endinglater", "first") - self.assertTrue(rp.allowed("https://www.site.local/allowed", "second")) - self.assertTrue(rp.allowed("https://www.site.local/is_still_allowed", "second")) - self.assertTrue(rp.allowed("https://www.site.local/is_allowed_too", "second")) + assert rp.allowed("https://www.site.local/allowed", "second") + assert rp.allowed("https://www.site.local/is_still_allowed", "second") + assert rp.allowed("https://www.site.local/is_allowed_too", "second") def test_length_based_precedence(self): robotstxt_robotstxt_body = b"User-agent: * \nDisallow: / \nAllow: /page" rp = self.parser_cls.from_crawler( crawler=None, robotstxt_body=robotstxt_robotstxt_body ) - self.assertTrue(rp.allowed("https://www.site.local/page", "*")) + assert rp.allowed("https://www.site.local/page", "*") def test_order_based_precedence(self): robotstxt_robotstxt_body = b"User-agent: * \nDisallow: / \nAllow: /page" rp = self.parser_cls.from_crawler( crawler=None, robotstxt_body=robotstxt_robotstxt_body ) - self.assertFalse(rp.allowed("https://www.site.local/page", "*")) + assert not rp.allowed("https://www.site.local/page", "*") def test_empty_response(self): """empty response should equal 'allow all'""" rp = self.parser_cls.from_crawler(crawler=None, robotstxt_body=b"") - self.assertTrue(rp.allowed("https://site.local/", "*")) - self.assertTrue(rp.allowed("https://site.local/", "chrome")) - self.assertTrue(rp.allowed("https://site.local/index.html", "*")) - self.assertTrue(rp.allowed("https://site.local/disallowed", "*")) + assert rp.allowed("https://site.local/", "*") + assert rp.allowed("https://site.local/", "chrome") + assert rp.allowed("https://site.local/index.html", "*") + assert rp.allowed("https://site.local/disallowed", "*") def test_garbage_response(self): """garbage response should be discarded, equal 'allow all'""" @@ -90,10 +84,10 @@ class BaseRobotParserTest: rp = self.parser_cls.from_crawler( crawler=None, robotstxt_body=robotstxt_robotstxt_body ) - self.assertTrue(rp.allowed("https://site.local/", "*")) - self.assertTrue(rp.allowed("https://site.local/", "chrome")) - self.assertTrue(rp.allowed("https://site.local/index.html", "*")) - self.assertTrue(rp.allowed("https://site.local/disallowed", "*")) + assert rp.allowed("https://site.local/", "*") + assert rp.allowed("https://site.local/", "chrome") + assert rp.allowed("https://site.local/index.html", "*") + assert rp.allowed("https://site.local/disallowed", "*") def test_unicode_url_and_useragent(self): robotstxt_robotstxt_body = """ @@ -109,79 +103,67 @@ class BaseRobotParserTest: rp = self.parser_cls.from_crawler( crawler=None, robotstxt_body=robotstxt_robotstxt_body ) - self.assertTrue(rp.allowed("https://site.local/", "*")) - self.assertFalse(rp.allowed("https://site.local/admin/", "*")) - self.assertFalse(rp.allowed("https://site.local/static/", "*")) - self.assertTrue(rp.allowed("https://site.local/admin/", "UnicödeBöt")) - self.assertFalse( - rp.allowed("https://site.local/wiki/K%C3%A4ytt%C3%A4j%C3%A4:", "*") - ) - self.assertFalse(rp.allowed("https://site.local/wiki/Käyttäjä:", "*")) - self.assertTrue(rp.allowed("https://site.local/some/randome/page.html", "*")) - self.assertFalse( - rp.allowed("https://site.local/some/randome/page.html", "UnicödeBöt") - ) + assert rp.allowed("https://site.local/", "*") + assert not rp.allowed("https://site.local/admin/", "*") + assert not rp.allowed("https://site.local/static/", "*") + assert rp.allowed("https://site.local/admin/", "UnicödeBöt") + assert not rp.allowed("https://site.local/wiki/K%C3%A4ytt%C3%A4j%C3%A4:", "*") + assert not rp.allowed("https://site.local/wiki/Käyttäjä:", "*") + assert rp.allowed("https://site.local/some/randome/page.html", "*") + assert not rp.allowed("https://site.local/some/randome/page.html", "UnicödeBöt") -class DecodeRobotsTxtTest(unittest.TestCase): +class TestDecodeRobotsTxt: def test_native_string_conversion(self): robotstxt_body = b"User-agent: *\nDisallow: /\n" decoded_content = decode_robotstxt( robotstxt_body, spider=None, to_native_str_type=True ) - self.assertEqual(decoded_content, "User-agent: *\nDisallow: /\n") + assert decoded_content == "User-agent: *\nDisallow: /\n" def test_decode_utf8(self): robotstxt_body = b"User-agent: *\nDisallow: /\n" decoded_content = decode_robotstxt(robotstxt_body, spider=None) - self.assertEqual(decoded_content, "User-agent: *\nDisallow: /\n") + assert decoded_content == "User-agent: *\nDisallow: /\n" def test_decode_non_utf8(self): robotstxt_body = b"User-agent: *\n\xffDisallow: /\n" decoded_content = decode_robotstxt(robotstxt_body, spider=None) - self.assertEqual(decoded_content, "User-agent: *\nDisallow: /\n") + assert decoded_content == "User-agent: *\nDisallow: /\n" -class PythonRobotParserTest(BaseRobotParserTest, unittest.TestCase): - def setUp(self): +class TestPythonRobotParser(BaseRobotParserTest): + def setup_method(self): from scrapy.robotstxt import PythonRobotParser super()._setUp(PythonRobotParser) def test_length_based_precedence(self): - raise unittest.SkipTest( + pytest.skip( "RobotFileParser does not support length based directives precedence." ) def test_allowed_wildcards(self): - raise unittest.SkipTest("RobotFileParser does not support wildcards.") + pytest.skip("RobotFileParser does not support wildcards.") -class RerpRobotParserTest(BaseRobotParserTest, unittest.TestCase): - if not rerp_available(): - skip = "Rerp parser is not installed" - - def setUp(self): +@pytest.mark.skipif(not rerp_available(), reason="Rerp parser is not installed") +class TestRerpRobotParser(BaseRobotParserTest): + def setup_method(self): from scrapy.robotstxt import RerpRobotParser super()._setUp(RerpRobotParser) def test_length_based_precedence(self): - raise unittest.SkipTest( - "Rerp does not support length based directives precedence." - ) + pytest.skip("Rerp does not support length based directives precedence.") -class ProtegoRobotParserTest(BaseRobotParserTest, unittest.TestCase): - if not protego_available(): - skip = "Protego parser is not installed" - - def setUp(self): +@pytest.mark.skipif(not protego_available(), reason="Protego parser is not installed") +class TestProtegoRobotParser(BaseRobotParserTest): + def setup_method(self): from scrapy.robotstxt import ProtegoRobotParser super()._setUp(ProtegoRobotParser) def test_order_based_precedence(self): - raise unittest.SkipTest( - "Protego does not support order based directives precedence." - ) + pytest.skip("Protego does not support order based directives precedence.") diff --git a/tests/test_scheduler.py b/tests/test_scheduler.py index f2f8b96cd..1d6992a32 100644 --- a/tests/test_scheduler.py +++ b/tests/test_scheduler.py @@ -2,7 +2,7 @@ from __future__ import annotations import shutil import tempfile -import unittest +from abc import ABC, abstractmethod from typing import Any, NamedTuple import pytest @@ -65,10 +65,14 @@ class MockCrawler(Crawler): self.stats = load_object(self.settings["STATS_CLASS"])(self) -class SchedulerHandler: - priority_queue_cls: str | None = None +class SchedulerHandler(ABC): jobdir = None + @property + @abstractmethod + def priority_queue_cls(self) -> str: + raise NotImplementedError + def create_scheduler(self): self.mock_crawler = MockCrawler(self.priority_queue_cls, self.jobdir) self.scheduler = Scheduler.from_crawler(self.mock_crawler) @@ -80,10 +84,10 @@ class SchedulerHandler: self.mock_crawler.stop() self.mock_crawler.engine.downloader.close() - def setUp(self): + def setup_method(self): self.create_scheduler() - def tearDown(self): + def teardown_method(self): self.close_scheduler() @@ -99,16 +103,16 @@ _PRIORITIES = [ _URLS = {"http://foo.com/a", "http://foo.com/b", "http://foo.com/c"} -class BaseSchedulerInMemoryTester(SchedulerHandler): +class TestSchedulerInMemoryBase(SchedulerHandler): def test_length(self): - self.assertFalse(self.scheduler.has_pending_requests()) - self.assertEqual(len(self.scheduler), 0) + assert not self.scheduler.has_pending_requests() + assert len(self.scheduler) == 0 for url in _URLS: self.scheduler.enqueue_request(Request(url)) - self.assertTrue(self.scheduler.has_pending_requests()) - self.assertEqual(len(self.scheduler), len(_URLS)) + assert self.scheduler.has_pending_requests() + assert len(self.scheduler) == len(_URLS) def test_dequeue(self): for url in _URLS: @@ -118,7 +122,7 @@ class BaseSchedulerInMemoryTester(SchedulerHandler): while self.scheduler.has_pending_requests(): urls.add(self.scheduler.next_request().url) - self.assertEqual(urls, _URLS) + assert urls == _URLS def test_dequeue_priorities(self): for url, priority in _PRIORITIES: @@ -128,25 +132,23 @@ class BaseSchedulerInMemoryTester(SchedulerHandler): while self.scheduler.has_pending_requests(): priorities.append(self.scheduler.next_request().priority) - self.assertEqual( - priorities, sorted([x[1] for x in _PRIORITIES], key=lambda x: -x) - ) + assert priorities == sorted([x[1] for x in _PRIORITIES], key=lambda x: -x) -class BaseSchedulerOnDiskTester(SchedulerHandler): - def setUp(self): +class TestSchedulerOnDiskBase(SchedulerHandler): + def setup_method(self): self.jobdir = tempfile.mkdtemp() self.create_scheduler() - def tearDown(self): + def teardown_method(self): self.close_scheduler() shutil.rmtree(self.jobdir) self.jobdir = None def test_length(self): - self.assertFalse(self.scheduler.has_pending_requests()) - self.assertEqual(len(self.scheduler), 0) + assert not self.scheduler.has_pending_requests() + assert len(self.scheduler) == 0 for url in _URLS: self.scheduler.enqueue_request(Request(url)) @@ -154,8 +156,8 @@ class BaseSchedulerOnDiskTester(SchedulerHandler): self.close_scheduler() self.create_scheduler() - self.assertTrue(self.scheduler.has_pending_requests()) - self.assertEqual(len(self.scheduler), len(_URLS)) + assert self.scheduler.has_pending_requests() + assert len(self.scheduler) == len(_URLS) def test_dequeue(self): for url in _URLS: @@ -168,7 +170,7 @@ class BaseSchedulerOnDiskTester(SchedulerHandler): while self.scheduler.has_pending_requests(): urls.add(self.scheduler.next_request().url) - self.assertEqual(urls, _URLS) + assert urls == _URLS def test_dequeue_priorities(self): for url, priority in _PRIORITIES: @@ -181,17 +183,19 @@ class BaseSchedulerOnDiskTester(SchedulerHandler): while self.scheduler.has_pending_requests(): priorities.append(self.scheduler.next_request().priority) - self.assertEqual( - priorities, sorted([x[1] for x in _PRIORITIES], key=lambda x: -x) - ) + assert priorities == sorted([x[1] for x in _PRIORITIES], key=lambda x: -x) -class TestSchedulerInMemory(BaseSchedulerInMemoryTester, unittest.TestCase): - priority_queue_cls = "scrapy.pqueues.ScrapyPriorityQueue" +class TestSchedulerInMemory(TestSchedulerInMemoryBase): + @property + def priority_queue_cls(self) -> str: + return "scrapy.pqueues.ScrapyPriorityQueue" -class TestSchedulerOnDisk(BaseSchedulerOnDiskTester, unittest.TestCase): - priority_queue_cls = "scrapy.pqueues.ScrapyPriorityQueue" +class TestSchedulerOnDisk(TestSchedulerOnDiskBase): + @property + def priority_queue_cls(self) -> str: + return "scrapy.pqueues.ScrapyPriorityQueue" _URLS_WITH_SLOTS = [ @@ -204,37 +208,34 @@ _URLS_WITH_SLOTS = [ ] -class TestMigration(unittest.TestCase): - def setUp(self): - self.tmpdir = tempfile.mkdtemp() +class TestMigration: + def test_migration(self, tmpdir): + class PrevSchedulerHandler(SchedulerHandler): + jobdir = tmpdir - def tearDown(self): - shutil.rmtree(self.tmpdir) + @property + def priority_queue_cls(self) -> str: + return "scrapy.pqueues.ScrapyPriorityQueue" - def _migration(self, tmp_dir): - prev_scheduler_handler = SchedulerHandler() - prev_scheduler_handler.priority_queue_cls = "scrapy.pqueues.ScrapyPriorityQueue" - prev_scheduler_handler.jobdir = tmp_dir + class NextSchedulerHandler(SchedulerHandler): + jobdir = tmpdir + @property + def priority_queue_cls(self) -> str: + return "scrapy.pqueues.DownloaderAwarePriorityQueue" + + prev_scheduler_handler = PrevSchedulerHandler() prev_scheduler_handler.create_scheduler() for url in _URLS: prev_scheduler_handler.scheduler.enqueue_request(Request(url)) prev_scheduler_handler.close_scheduler() - next_scheduler_handler = SchedulerHandler() - next_scheduler_handler.priority_queue_cls = ( - "scrapy.pqueues.DownloaderAwarePriorityQueue" - ) - next_scheduler_handler.jobdir = tmp_dir - - next_scheduler_handler.create_scheduler() - - def test_migration(self): + next_scheduler_handler = NextSchedulerHandler() with pytest.raises( ValueError, match="DownloaderAwarePriorityQueue accepts ``slot_startprios`` as a dict", ): - self._migration(self.tmpdir) + next_scheduler_handler.create_scheduler() def _is_scheduling_fair(enqueued_slots, dequeued_slots): @@ -263,9 +264,12 @@ def _is_scheduling_fair(enqueued_slots, dequeued_slots): class DownloaderAwareSchedulerTestMixin: - priority_queue_cls: str | None = "scrapy.pqueues.DownloaderAwarePriorityQueue" reopen = False + @property + def priority_queue_cls(self) -> str: + return "scrapy.pqueues.DownloaderAwarePriorityQueue" + def test_logic(self): for url, slot in _URLS_WITH_SLOTS: request = Request(url) @@ -290,20 +294,18 @@ class DownloaderAwareSchedulerTestMixin: slot = downloader.get_slot_key(request) downloader.decrement(slot) - self.assertTrue( - _is_scheduling_fair([s for u, s in _URLS_WITH_SLOTS], dequeued_slots) - ) - self.assertEqual(sum(len(s.active) for s in downloader.slots.values()), 0) + assert _is_scheduling_fair([s for u, s in _URLS_WITH_SLOTS], dequeued_slots) + assert sum(len(s.active) for s in downloader.slots.values()) == 0 class TestSchedulerWithDownloaderAwareInMemory( - DownloaderAwareSchedulerTestMixin, BaseSchedulerInMemoryTester, unittest.TestCase + DownloaderAwareSchedulerTestMixin, TestSchedulerInMemoryBase ): pass class TestSchedulerWithDownloaderAwareOnDisk( - DownloaderAwareSchedulerTestMixin, BaseSchedulerOnDiskTester, unittest.TestCase + DownloaderAwareSchedulerTestMixin, TestSchedulerOnDiskBase ): reopen = True @@ -337,13 +339,12 @@ class TestIntegrationWithDownloaderAwareInMemory(TestCase): url = mockserver.url("/status?n=200", is_secure=False) start_urls = [url] * 6 yield self.crawler.crawl(start_urls) - self.assertEqual( - self.crawler.stats.get_value("downloader/response_count"), - len(start_urls), + assert self.crawler.stats.get_value("downloader/response_count") == len( + start_urls ) -class TestIncompatibility(unittest.TestCase): +class TestIncompatibility: def _incompatible(self): settings = { "SCHEDULER_PRIORITY_QUEUE": "scrapy.pqueues.DownloaderAwarePriorityQueue", diff --git a/tests/test_scheduler_base.py b/tests/test_scheduler_base.py index c2bb8cec5..4a36d3cdb 100644 --- a/tests/test_scheduler_base.py +++ b/tests/test_scheduler_base.py @@ -1,12 +1,11 @@ from __future__ import annotations -from unittest import TestCase from urllib.parse import urljoin import pytest from testfixtures import LogCapture from twisted.internet import defer -from twisted.trial.unittest import TestCase as TwistedTestCase +from twisted.trial.unittest import TestCase from scrapy.core.scheduler import BaseScheduler from scrapy.http import Request @@ -65,17 +64,17 @@ class PathsSpider(Spider): class InterfaceCheckMixin: def test_scheduler_class(self): - self.assertTrue(isinstance(self.scheduler, BaseScheduler)) - self.assertTrue(issubclass(self.scheduler.__class__, BaseScheduler)) + assert isinstance(self.scheduler, BaseScheduler) + assert issubclass(self.scheduler.__class__, BaseScheduler) -class BaseSchedulerTest(TestCase, InterfaceCheckMixin): - def setUp(self): +class TestBaseScheduler(InterfaceCheckMixin): + def setup_method(self): self.scheduler = BaseScheduler() def test_methods(self): - self.assertIsNone(self.scheduler.open(Spider("foo"))) - self.assertIsNone(self.scheduler.close("finished")) + assert self.scheduler.open(Spider("foo")) is None + assert self.scheduler.close("finished") is None with pytest.raises(NotImplementedError): self.scheduler.has_pending_requests() with pytest.raises(NotImplementedError): @@ -84,8 +83,8 @@ class BaseSchedulerTest(TestCase, InterfaceCheckMixin): self.scheduler.next_request() -class MinimalSchedulerTest(TestCase, InterfaceCheckMixin): - def setUp(self): +class TestMinimalScheduler(InterfaceCheckMixin): + def setup_method(self): self.scheduler = MinimalScheduler() def test_open_close(self): @@ -101,51 +100,51 @@ class MinimalSchedulerTest(TestCase, InterfaceCheckMixin): len(self.scheduler) def test_enqueue_dequeue(self): - self.assertFalse(self.scheduler.has_pending_requests()) + assert not self.scheduler.has_pending_requests() for url in URLS: - self.assertTrue(self.scheduler.enqueue_request(Request(url))) - self.assertFalse(self.scheduler.enqueue_request(Request(url))) - self.assertTrue(self.scheduler.has_pending_requests) + assert self.scheduler.enqueue_request(Request(url)) + assert not self.scheduler.enqueue_request(Request(url)) + assert self.scheduler.has_pending_requests dequeued = [] while self.scheduler.has_pending_requests(): request = self.scheduler.next_request() dequeued.append(request.url) - self.assertEqual(set(dequeued), set(URLS)) - self.assertFalse(self.scheduler.has_pending_requests()) + assert set(dequeued) == set(URLS) + assert not self.scheduler.has_pending_requests() -class SimpleSchedulerTest(TwistedTestCase, InterfaceCheckMixin): +class SimpleSchedulerTest(TestCase, InterfaceCheckMixin): def setUp(self): self.scheduler = SimpleScheduler() @defer.inlineCallbacks def test_enqueue_dequeue(self): open_result = yield self.scheduler.open(Spider("foo")) - self.assertEqual(open_result, "open") - self.assertFalse(self.scheduler.has_pending_requests()) + assert open_result == "open" + assert not self.scheduler.has_pending_requests() for url in URLS: - self.assertTrue(self.scheduler.enqueue_request(Request(url))) - self.assertFalse(self.scheduler.enqueue_request(Request(url))) + assert self.scheduler.enqueue_request(Request(url)) + assert not self.scheduler.enqueue_request(Request(url)) - self.assertTrue(self.scheduler.has_pending_requests()) - self.assertEqual(len(self.scheduler), len(URLS)) + assert self.scheduler.has_pending_requests() + assert len(self.scheduler) == len(URLS) dequeued = [] while self.scheduler.has_pending_requests(): request = self.scheduler.next_request() dequeued.append(request.url) - self.assertEqual(set(dequeued), set(URLS)) + assert set(dequeued) == set(URLS) - self.assertFalse(self.scheduler.has_pending_requests()) - self.assertEqual(len(self.scheduler), 0) + assert not self.scheduler.has_pending_requests() + assert len(self.scheduler) == 0 close_result = yield self.scheduler.close("") - self.assertEqual(close_result, "close") + assert close_result == "close" -class MinimalSchedulerCrawlTest(TwistedTestCase): +class MinimalSchedulerCrawlTest(TestCase): scheduler_cls = MinimalScheduler @defer.inlineCallbacks @@ -158,8 +157,8 @@ class MinimalSchedulerCrawlTest(TwistedTestCase): crawler = get_crawler(PathsSpider, settings) yield crawler.crawl(mockserver) for path in PATHS: - self.assertIn(f"{{'path': '{path}'}}", str(log)) - self.assertIn(f"'item_scraped_count': {len(PATHS)}", str(log)) + assert f"{{'path': '{path}'}}" in str(log) + assert f"'item_scraped_count': {len(PATHS)}" in str(log) class SimpleSchedulerCrawlTest(MinimalSchedulerCrawlTest): diff --git a/tests/test_selector.py b/tests/test_selector.py index 2d7a1442e..5c8eadf0b 100644 --- a/tests/test_selector.py +++ b/tests/test_selector.py @@ -3,7 +3,6 @@ import weakref import parsel import pytest from packaging import version -from twisted.trial import unittest from scrapy.http import HtmlResponse, TextResponse, XmlResponse from scrapy.selector import Selector @@ -12,7 +11,7 @@ PARSEL_VERSION = version.parse(getattr(parsel, "__version__", "0.0")) PARSEL_18_PLUS = PARSEL_VERSION >= version.parse("1.8.0") -class SelectorTestCase(unittest.TestCase): +class TestSelector: def test_simple_selection(self): """Simple selector tests""" body = b"

" @@ -20,57 +19,46 @@ class SelectorTestCase(unittest.TestCase): sel = Selector(response) xl = sel.xpath("//input") - self.assertEqual(2, len(xl)) + assert len(xl) == 2 for x in xl: assert isinstance(x, Selector) - self.assertEqual( - sel.xpath("//input").getall(), [x.get() for x in sel.xpath("//input")] - ) - self.assertEqual( - [x.get() for x in sel.xpath("//input[@name='a']/@name")], ["a"] - ) - self.assertEqual( - [ - x.get() - for x in sel.xpath( - "number(concat(//input[@name='a']/@value, //input[@name='b']/@value))" - ) - ], - ["12.0"], - ) - self.assertEqual(sel.xpath("concat('xpath', 'rules')").getall(), ["xpathrules"]) - self.assertEqual( - [ - x.get() - for x in sel.xpath( - "concat(//input[@name='a']/@value, //input[@name='b']/@value)" - ) - ], - ["12"], - ) + assert sel.xpath("//input").getall() == [x.get() for x in sel.xpath("//input")] + assert [x.get() for x in sel.xpath("//input[@name='a']/@name")] == ["a"] + assert [ + x.get() + for x in sel.xpath( + "number(concat(//input[@name='a']/@value, //input[@name='b']/@value))" + ) + ] == ["12.0"] + assert sel.xpath("concat('xpath', 'rules')").getall() == ["xpathrules"] + assert [ + x.get() + for x in sel.xpath( + "concat(//input[@name='a']/@value, //input[@name='b']/@value)" + ) + ] == ["12"] def test_root_base_url(self): body = b'' url = "http://example.com" response = TextResponse(url=url, body=body, encoding="utf-8") sel = Selector(response) - self.assertEqual(url, sel.root.base) + assert url == sel.root.base def test_flavor_detection(self): text = b'

Hello

' sel = Selector(XmlResponse("http://example.com", body=text, encoding="utf-8")) - self.assertEqual(sel.type, "xml") - self.assertEqual( - sel.xpath("//div").getall(), - ['

Hello

'], - ) + assert sel.type == "xml" + assert sel.xpath("//div").getall() == [ + '

Hello

' + ] sel = Selector(HtmlResponse("http://example.com", body=text, encoding="utf-8")) - self.assertEqual(sel.type, "html") - self.assertEqual( - sel.xpath("//div").getall(), ['

Hello

'] - ) + assert sel.type == "html" + assert sel.xpath("//div").getall() == [ + '

Hello

' + ] def test_http_header_encoding_precedence(self): # '\xa3' = pound symbol in unicode @@ -92,7 +80,7 @@ class SelectorTestCase(unittest.TestCase): url="http://example.com", headers=headers, body=html_utf8 ) x = Selector(response) - self.assertEqual(x.xpath("//span[@id='blank']/text()").getall(), ["\xa3"]) + assert x.xpath("//span[@id='blank']/text()").getall() == ["\xa3"] def test_badly_encoded_body(self): # \xe9 alone isn't valid utf8 sequence @@ -116,7 +104,7 @@ class SelectorTestCase(unittest.TestCase): Selector(TextResponse(url="http://example.com", body=b""), text="") -class JMESPathTestCase(unittest.TestCase): +class TestJMESPath: @pytest.mark.skipif( not PARSEL_18_PLUS, reason="parsel < 1.8 doesn't support jmespath" ) @@ -149,16 +137,13 @@ class JMESPathTestCase(unittest.TestCase): } """ resp = TextResponse(url="http://example.com", body=body, encoding="utf-8") - self.assertEqual( - resp.jmespath("html").get(), - "
def
", + assert ( + resp.jmespath("html").get() + == "
def
" ) - self.assertEqual( - resp.jmespath("html").xpath("//div/a/text()").getall(), - ["a", "b", "d"], - ) - self.assertEqual(resp.jmespath("html").css("div > b").getall(), ["f"]) - self.assertEqual(resp.jmespath("content").jmespath("name.age").get(), "18") + assert resp.jmespath("html").xpath("//div/a/text()").getall() == ["a", "b", "d"] + assert resp.jmespath("html").css("div > b").getall() == ["f"] + assert resp.jmespath("content").jmespath("name.age").get() == "18" @pytest.mark.skipif( not PARSEL_18_PLUS, reason="parsel < 1.8 doesn't support jmespath" @@ -194,15 +179,19 @@ class JMESPathTestCase(unittest.TestCase): """ resp = TextResponse(url="http://example.com", body=body, encoding="utf-8") - self.assertEqual( - resp.xpath("//div/content/text()").jmespath("user[*].name").getall(), - ["A", "B", "C", "D"], - ) - self.assertEqual( - resp.xpath("//div/content").jmespath("user[*].name").getall(), - ["A", "B", "C", "D"], - ) - self.assertEqual(resp.xpath("//div/content").jmespath("total").get(), "4") + assert resp.xpath("//div/content/text()").jmespath("user[*].name").getall() == [ + "A", + "B", + "C", + "D", + ] + assert resp.xpath("//div/content").jmespath("user[*].name").getall() == [ + "A", + "B", + "C", + "D", + ] + assert resp.xpath("//div/content").jmespath("total").get() == "4" @pytest.mark.skipif( not PARSEL_18_PLUS, reason="parsel < 1.8 doesn't support jmespath" @@ -238,30 +227,26 @@ class JMESPathTestCase(unittest.TestCase): """ resp = TextResponse(url="http://example.com", body=body, encoding="utf-8") - self.assertEqual( - resp.xpath("//div/content/text()").jmespath("user[*].name").re(r"(\w+)"), - ["A", "B", "C", "D"], - ) - self.assertEqual( - resp.xpath("//div/content").jmespath("user[*].name").re(r"(\w+)"), - ["A", "B", "C", "D"], + assert resp.xpath("//div/content/text()").jmespath("user[*].name").re( + r"(\w+)" + ) == ["A", "B", "C", "D"] + assert resp.xpath("//div/content").jmespath("user[*].name").re(r"(\w+)") == [ + "A", + "B", + "C", + "D", + ] + + assert resp.xpath("//div/content").jmespath("unavailable").re(r"(\d+)") == [] + + assert ( + resp.xpath("//div/content").jmespath("unavailable").re_first(r"(\d+)") + is None ) - self.assertEqual( - resp.xpath("//div/content").jmespath("unavailable").re(r"(\d+)"), [] - ) - - self.assertEqual( - resp.xpath("//div/content").jmespath("unavailable").re_first(r"(\d+)"), - None, - ) - - self.assertEqual( - resp.xpath("//div/content") - .jmespath("user[*].age.to_string(@)") - .re(r"(\d+)"), - ["18", "32", "22", "25"], - ) + assert resp.xpath("//div/content").jmespath("user[*].age.to_string(@)").re( + r"(\d+)" + ) == ["18", "32", "22", "25"] @pytest.mark.skipif(PARSEL_18_PLUS, reason="parsel >= 1.8 supports jmespath") def test_jmespath_not_available(self) -> None: diff --git a/tests/test_signals.py b/tests/test_signals.py index a508eb41a..f5075fb60 100644 --- a/tests/test_signals.py +++ b/tests/test_signals.py @@ -20,7 +20,7 @@ class ItemSpider(Spider): return {"index": response.meta["index"]} -class AsyncSignalTestCase(unittest.TestCase): +class TestAsyncSignal(unittest.TestCase): @classmethod def setUpClass(cls): cls.mockserver = MockServer() @@ -43,6 +43,6 @@ class AsyncSignalTestCase(unittest.TestCase): crawler = get_crawler(ItemSpider) crawler.signals.connect(self._on_item_scraped, signals.item_scraped) yield crawler.crawl(mockserver=self.mockserver) - self.assertEqual(len(self.items), 10) + assert len(self.items) == 10 for index in range(10): - self.assertIn({"index": index}, self.items) + assert {"index": index} in self.items diff --git a/tests/test_toplevel.py b/tests/test_toplevel.py index d272101b8..a4f31096e 100644 --- a/tests/test_toplevel.py +++ b/tests/test_toplevel.py @@ -1,33 +1,31 @@ -from unittest import TestCase - import scrapy -class ToplevelTestCase(TestCase): +class TestToplevel: def test_version(self): - self.assertIs(type(scrapy.__version__), str) + assert isinstance(scrapy.__version__, str) def test_version_info(self): - self.assertIs(type(scrapy.version_info), tuple) + assert isinstance(scrapy.version_info, tuple) def test_request_shortcut(self): from scrapy.http import FormRequest, Request - self.assertIs(scrapy.Request, Request) - self.assertIs(scrapy.FormRequest, FormRequest) + assert scrapy.Request is Request + assert scrapy.FormRequest is FormRequest def test_spider_shortcut(self): from scrapy.spiders import Spider - self.assertIs(scrapy.Spider, Spider) + assert scrapy.Spider is Spider def test_selector_shortcut(self): from scrapy.selector import Selector - self.assertIs(scrapy.Selector, Selector) + assert scrapy.Selector is Selector def test_item_shortcut(self): from scrapy.item import Field, Item - self.assertIs(scrapy.Item, Item) - self.assertIs(scrapy.Field, Field) + assert scrapy.Item is Item + assert scrapy.Field is Field diff --git a/tests/test_urlparse_monkeypatches.py b/tests/test_urlparse_monkeypatches.py index c695968d7..0e1e89e81 100644 --- a/tests/test_urlparse_monkeypatches.py +++ b/tests/test_urlparse_monkeypatches.py @@ -1,11 +1,10 @@ -import unittest from urllib.parse import urlparse -class UrlparseTestCase(unittest.TestCase): +class TestUrlparse: def test_s3_url(self): p = urlparse("s3://bucket/key/name?param=value") - self.assertEqual(p.scheme, "s3") - self.assertEqual(p.hostname, "bucket") - self.assertEqual(p.path, "/key/name") - self.assertEqual(p.query, "param=value") + assert p.scheme == "s3" + assert p.hostname == "bucket" + assert p.path == "/key/name" + assert p.query == "param=value" From 0bbfca6c1d1327a9919f2c0efc0c75aadb5b0033 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 10 Mar 2025 13:15:28 +0500 Subject: [PATCH 421/786] Better fix for test_non_pickable_object on Windows. --- tests/test_squeues.py | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/tests/test_squeues.py b/tests/test_squeues.py index 0b6ed8e11..21bbeece2 100644 --- a/tests/test_squeues.py +++ b/tests/test_squeues.py @@ -130,9 +130,7 @@ class PickleFifoDiskQueueTest(t.FifoDiskQueueTest, FifoDiskQueueTestMixin): ) as exc_info: q.push(sel) assert isinstance(exc_info.value.__context__, TypeError) - # This seems to help with https://github.com/scrapy/queuelib/issues/70. - # It will need to remain under a queuelib version check after that bug is fixed. - del exc_info + q.close() class ChunkSize1PickleFifoDiskQueueTest(PickleFifoDiskQueueTest): From bee74fb753afa373ecdb1dbf272af9a108b14b22 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Tue, 11 Mar 2025 11:56:44 +0100 Subject: [PATCH 422/786] Remove trailing whitespace --- .github/workflows/publish.yml | 2 +- .pre-commit-config.yaml | 4 + README.rst | 2 +- docs/_tests/quotes.html | 138 +++++++++++++++---------------- docs/_tests/quotes1.html | 138 +++++++++++++++---------------- docs/faq.rst | 2 +- docs/intro/install.rst | 4 +- docs/intro/tutorial.rst | 6 +- docs/news.rst | 8 +- docs/topics/api.rst | 2 +- docs/topics/architecture.rst | 4 +- docs/topics/exporters.rst | 2 +- docs/topics/extensions.rst | 16 ++-- docs/topics/feed-exports.rst | 10 +-- docs/topics/logging.rst | 10 +-- docs/topics/media-pipeline.rst | 14 ++-- docs/topics/practices.rst | 2 +- docs/topics/request-response.rst | 6 +- docs/topics/selectors.rst | 6 +- docs/topics/spiders.rst | 4 +- docs/topics/stats.rst | 2 +- sep/sep-004.rst | 2 +- sep/sep-007.rst | 2 +- sep/sep-008.rst | 4 +- sep/sep-014.rst | 4 +- sep/sep-018.rst | 4 +- 26 files changed, 201 insertions(+), 197 deletions(-) diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml index 8e01ffd88..d1589f4f7 100644 --- a/.github/workflows/publish.yml +++ b/.github/workflows/publish.yml @@ -22,7 +22,7 @@ jobs: - uses: actions/setup-python@v5 with: python-version: "3.13" - - run: | + - run: | python -m pip install --upgrade build python -m build - name: Publish to PyPI diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml index 18402b908..0d1a76247 100644 --- a/.pre-commit-config.yaml +++ b/.pre-commit-config.yaml @@ -11,3 +11,7 @@ repos: - id: blacken-docs additional_dependencies: - black==24.10.0 +- repo: https://github.com/pre-commit/pre-commit-hooks + rev: v5.0.0 + hooks: + - id: trailing-whitespace diff --git a/README.rst b/README.rst index 3f468953e..cf7c6043c 100644 --- a/README.rst +++ b/README.rst @@ -1,6 +1,6 @@ .. image:: https://scrapy.org/img/scrapylogo.png :target: https://scrapy.org/ - + ====== Scrapy ====== diff --git a/docs/_tests/quotes.html b/docs/_tests/quotes.html index f4002ecd1..d1cfd9020 100644 --- a/docs/_tests/quotes.html +++ b/docs/_tests/quotes.html @@ -16,13 +16,13 @@

- + Login - +

- +
@@ -34,16 +34,16 @@
Tags: - - + + change - + deep-thoughts - + thinking - + world - +
@@ -54,12 +54,12 @@
Tags: - - + + abilities - + choices - +
@@ -70,18 +70,18 @@
Tags: - - + + inspirational - + life - + live - + miracle - + miracles - +
@@ -92,16 +92,16 @@
Tags: - - + + aliteracy - + books - + classic - + humor - +
@@ -112,12 +112,12 @@
Tags: - - + + be-yourself - + inspirational - +
@@ -128,14 +128,14 @@
Tags: - - + + adulthood - + success - + value - +
@@ -146,12 +146,12 @@
Tags: - - + + life - + love - +
@@ -162,16 +162,16 @@
Tags: - - + + edison - + failure - + inspirational - + paraphrased - +
@@ -182,10 +182,10 @@
Tags: - - + + misattributed-eleanor-roosevelt - +
@@ -196,73 +196,73 @@
Tags: - - + + humor - + obvious - + simile - +
- +

Top Ten tags

- + love - + inspirational - + life - + humor - + books - + reading - + friendship - + friends - + truth - + simile - - + +
diff --git a/docs/_tests/quotes1.html b/docs/_tests/quotes1.html index f4002ecd1..d1cfd9020 100644 --- a/docs/_tests/quotes1.html +++ b/docs/_tests/quotes1.html @@ -16,13 +16,13 @@

- + Login - +

- +
@@ -34,16 +34,16 @@
Tags: - - + + change - + deep-thoughts - + thinking - + world - +
@@ -54,12 +54,12 @@
Tags: - - + + abilities - + choices - +
@@ -70,18 +70,18 @@
Tags: - - + + inspirational - + life - + live - + miracle - + miracles - +
@@ -92,16 +92,16 @@
Tags: - - + + aliteracy - + books - + classic - + humor - +
@@ -112,12 +112,12 @@
Tags: - - + + be-yourself - + inspirational - +
@@ -128,14 +128,14 @@
Tags: - - + + adulthood - + success - + value - +
@@ -146,12 +146,12 @@
Tags: - - + + life - + love - +
@@ -162,16 +162,16 @@
Tags: - - + + edison - + failure - + inspirational - + paraphrased - +
@@ -182,10 +182,10 @@
Tags: - - + + misattributed-eleanor-roosevelt - +
@@ -196,73 +196,73 @@
Tags: - - + + humor - + obvious - + simile - +
- +

Top Ten tags

- + love - + inspirational - + life - + humor - + books - + reading - + friendship - + friends - + truth - + simile - - + +
diff --git a/docs/faq.rst b/docs/faq.rst index f81ec3601..cef3e69f3 100644 --- a/docs/faq.rst +++ b/docs/faq.rst @@ -410,7 +410,7 @@ How can I make a blank request? ------------------------------- .. code-block:: python - + from scrapy import Request diff --git a/docs/intro/install.rst b/docs/intro/install.rst index 82a0e18c5..488a66f36 100644 --- a/docs/intro/install.rst +++ b/docs/intro/install.rst @@ -111,7 +111,7 @@ Once you've installed `Anaconda`_ or `Miniconda`_, install Scrapy with:: To install Scrapy on Windows using ``pip``: .. warning:: - This installation method requires “Microsoft Visual C++” for installing some + This installation method requires “Microsoft Visual C++” for installing some Scrapy dependencies, which demands significantly more disk space than Anaconda. #. Download and execute `Microsoft C++ Build Tools`_ to install the Visual Studio Installer. @@ -123,7 +123,7 @@ To install Scrapy on Windows using ``pip``: #. Check the installation details and make sure following packages are selected as optional components: * **MSVC** (e.g MSVC v142 - VS 2019 C++ x64/x86 build tools (v14.23) ) - + * **Windows SDK** (e.g Windows 10 SDK (10.0.18362.0)) #. Install the Visual Studio Build Tools. diff --git a/docs/intro/tutorial.rst b/docs/intro/tutorial.rst index 6e6caebf1..5041b49ea 100644 --- a/docs/intro/tutorial.rst +++ b/docs/intro/tutorial.rst @@ -292,7 +292,7 @@ As an alternative, you could've written: >>> response.css("title::text")[0].get() 'Quotes to Scrape' -Accessing an index on a :class:`~scrapy.selector.SelectorList` instance will +Accessing an index on a :class:`~scrapy.selector.SelectorList` instance will raise an :exc:`IndexError` exception if there are no results: .. code-block:: pycon @@ -302,8 +302,8 @@ raise an :exc:`IndexError` exception if there are no results: ... IndexError: list index out of range -You might want to use ``.get()`` directly on the -:class:`~scrapy.selector.SelectorList` instance instead, which returns ``None`` +You might want to use ``.get()`` directly on the +:class:`~scrapy.selector.SelectorList` instance instead, which returns ``None`` if there are no results: .. code-block:: pycon diff --git a/docs/news.rst b/docs/news.rst index 8230c3aef..9a68f8852 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -934,10 +934,10 @@ Modified requirements Backward-incompatible changes ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- The value of the :setting:`FEED_STORE_EMPTY` setting is now ``True`` - instead of ``False``. In earlier Scrapy versions empty files were created - even when this setting was ``False`` (which was a bug that is now fixed), - so the new default should keep the old behavior. (:issue:`872`, +- The value of the :setting:`FEED_STORE_EMPTY` setting is now ``True`` + instead of ``False``. In earlier Scrapy versions empty files were created + even when this setting was ``False`` (which was a bug that is now fixed), + so the new default should keep the old behavior. (:issue:`872`, :issue:`5847`) Deprecation removals diff --git a/docs/topics/api.rst b/docs/topics/api.rst index f7cffb61b..edc625be8 100644 --- a/docs/topics/api.rst +++ b/docs/topics/api.rst @@ -88,7 +88,7 @@ how you :ref:`configure the downloader middlewares The execution engine, which coordinates the core crawling logic between the scheduler, downloader and spiders. - Some extension may want to access the Scrapy engine, to inspect or + Some extension may want to access the Scrapy engine, to inspect or modify the downloader and scheduler behaviour, although this is an advanced use and this API is not yet stable. diff --git a/docs/topics/architecture.rst b/docs/topics/architecture.rst index 0370dc538..4e53b6e3d 100644 --- a/docs/topics/architecture.rst +++ b/docs/topics/architecture.rst @@ -87,8 +87,8 @@ of the system, and triggering events when certain actions occur. See the Scheduler --------- -The :ref:`scheduler ` receives requests from the engine and -enqueues them for feeding them later (also to the engine) when the engine +The :ref:`scheduler ` receives requests from the engine and +enqueues them for feeding them later (also to the engine) when the engine requests them. .. _component-downloader: diff --git a/docs/topics/exporters.rst b/docs/topics/exporters.rst index 7a85c099b..5c078568b 100644 --- a/docs/topics/exporters.rst +++ b/docs/topics/exporters.rst @@ -224,7 +224,7 @@ BaseItemExporter .. [1] Not all exporters respect the specified field order. .. [2] When using :ref:`item objects ` that do not expose all their possible fields, exporters that do not support exporting - a different subset of fields per item will only export the fields + a different subset of fields per item will only export the fields found in the first item exported. .. attribute:: export_empty_fields diff --git a/docs/topics/extensions.rst b/docs/topics/extensions.rst index c47a3226a..23bbcfcb5 100644 --- a/docs/topics/extensions.rst +++ b/docs/topics/extensions.rst @@ -256,14 +256,14 @@ Spider state extension Manages spider state data by loading it before a crawl and saving it after. Give a value to the :setting:`JOBDIR` setting to enable this extension. -When enabled, this extension manages the :attr:`~scrapy.Spider.state` +When enabled, this extension manages the :attr:`~scrapy.Spider.state` attribute of your :class:`~scrapy.Spider` instance: - -- When your spider closes (:signal:`spider_closed`), the contents of its - :attr:`~scrapy.Spider.state` attribute are serialized into a file named + +- When your spider closes (:signal:`spider_closed`), the contents of its + :attr:`~scrapy.Spider.state` attribute are serialized into a file named ``spider.state`` in the :setting:`JOBDIR` folder. -- When your spider opens (:signal:`spider_opened`), if a previously-generated - ``spider.state`` file exists in the :setting:`JOBDIR` folder, it is loaded +- When your spider opens (:signal:`spider_opened`), if a previously-generated + ``spider.state`` file exists in the :setting:`JOBDIR` folder, it is loaded into the :attr:`~scrapy.Spider.state` attribute. @@ -291,8 +291,8 @@ settings: .. note:: - When a certain closing condition is met, requests which are - currently in the downloader queue (up to :setting:`CONCURRENT_REQUESTS` + When a certain closing condition is met, requests which are + currently in the downloader queue (up to :setting:`CONCURRENT_REQUESTS` requests) are still processed. .. setting:: CLOSESPIDER_TIMEOUT diff --git a/docs/topics/feed-exports.rst b/docs/topics/feed-exports.rst index 07a3f3678..7f401f0c7 100644 --- a/docs/topics/feed-exports.rst +++ b/docs/topics/feed-exports.rst @@ -180,7 +180,7 @@ FTP supports two different connection modes: `active or passive mode by default. To use the active connection mode instead, set the :setting:`FEED_STORAGE_FTP_ACTIVE` setting to ``True``. -The default value for the ``overwrite`` key in the :setting:`FEEDS` for this +The default value for the ``overwrite`` key in the :setting:`FEEDS` for this storage backend is: ``True``. .. caution:: The value ``True`` in ``overwrite`` will cause you to lose the @@ -222,7 +222,7 @@ feeds using these settings: - :setting:`AWS_ENDPOINT_URL` - :setting:`AWS_REGION_NAME` -The default value for the ``overwrite`` key in the :setting:`FEEDS` for this +The default value for the ``overwrite`` key in the :setting:`FEEDS` for this storage backend is: ``True``. .. caution:: The value ``True`` in ``overwrite`` will cause you to lose the @@ -255,7 +255,7 @@ You can set a *Project ID* and *Access Control List (ACL)* through the following - :setting:`FEED_STORAGE_GCS_ACL` - :setting:`GCS_PROJECT_ID` -The default value for the ``overwrite`` key in the :setting:`FEEDS` for this +The default value for the ``overwrite`` key in the :setting:`FEEDS` for this storage backend is: ``True``. .. caution:: The value ``True`` in ``overwrite`` will cause you to lose the @@ -587,8 +587,8 @@ FEED_STORE_EMPTY Default: ``True`` Whether to export empty feeds (i.e. feeds with no items). -If ``False``, and there are no items to export, no new files are created and -existing files are not modified, even if the :ref:`overwrite feed option +If ``False``, and there are no items to export, no new files are created and +existing files are not modified, even if the :ref:`overwrite feed option ` is enabled. .. setting:: FEED_STORAGES diff --git a/docs/topics/logging.rst b/docs/topics/logging.rst index fe1c4d162..a398d6c83 100644 --- a/docs/topics/logging.rst +++ b/docs/topics/logging.rst @@ -266,9 +266,9 @@ e.g. in the spider's ``__init__`` method: If you run this spider again then INFO messages from ``scrapy.spidermiddlewares.httperror`` logger will be gone. -You can also filter log records by :class:`~logging.LogRecord` data. For +You can also filter log records by :class:`~logging.LogRecord` data. For example, you can filter log records by message content using a substring or -a regular expression. Create a :class:`logging.Filter` subclass +a regular expression. Create a :class:`logging.Filter` subclass and equip it with a regular expression pattern to filter out unwanted messages: @@ -284,8 +284,8 @@ filter out unwanted messages: if match: return False -A project-level filter may be attached to the root -handler created by Scrapy, this is a wieldy way to +A project-level filter may be attached to the root +handler created by Scrapy, this is a wieldy way to filter all loggers in different parts of the project (middlewares, spider, etc.): @@ -301,7 +301,7 @@ filter all loggers in different parts of the project for handler in logging.root.handlers: handler.addFilter(ContentFilter()) -Alternatively, you may choose a specific logger +Alternatively, you may choose a specific logger and hide it without affecting other loggers: .. code-block:: python diff --git a/docs/topics/media-pipeline.rst b/docs/topics/media-pipeline.rst index f086a943e..cc1fe8703 100644 --- a/docs/topics/media-pipeline.rst +++ b/docs/topics/media-pipeline.rst @@ -414,7 +414,7 @@ class name. E.g. given pipeline class called MyPipeline you can set setting key: and pipeline class MyPipeline will have expiration time set to 180. -The last modified time from the file is used to determine the age of the file in days, +The last modified time from the file is used to determine the age of the file in days, which is then compared to the set expiration time to determine if the file is expired. .. _topics-images-thumbnails: @@ -519,7 +519,7 @@ See here the methods that you can override in your custom Files Pipeline: In addition to ``response``, this method receives the original :class:`request `, - :class:`info ` and + :class:`info ` and :class:`item ` You can override this method to customize the download path of each file. @@ -541,9 +541,9 @@ See here the methods that you can override in your custom Files Pipeline: def file_path(self, request, response=None, info=None, *, item=None): return "files/" + PurePosixPath(urlparse_cached(request).path).name - Similarly, you can use the ``item`` to determine the file path based on some item + Similarly, you can use the ``item`` to determine the file path based on some item property. - + By default the :meth:`file_path` method returns ``full/.``. @@ -677,7 +677,7 @@ See here the methods that you can override in your custom Images Pipeline: In addition to ``response``, this method receives the original :class:`request `, - :class:`info ` and + :class:`info ` and :class:`item ` You can override this method to customize the download path of each file. @@ -699,9 +699,9 @@ See here the methods that you can override in your custom Images Pipeline: def file_path(self, request, response=None, info=None, *, item=None): return "files/" + PurePosixPath(urlparse_cached(request).path).name - Similarly, you can use the ``item`` to determine the file path based on some item + Similarly, you can use the ``item`` to determine the file path based on some item property. - + By default the :meth:`file_path` method returns ``full/.``. diff --git a/docs/topics/practices.rst b/docs/topics/practices.rst index 5f6798601..db91cd073 100644 --- a/docs/topics/practices.rst +++ b/docs/topics/practices.rst @@ -309,7 +309,7 @@ Here are some tips to keep in mind when dealing with these kinds of sites: services like `ProxyMesh`_. An open source alternative is `scrapoxy`_, a super proxy that you can attach your own proxies to. * use a ban avoidance service, such as `Zyte API`_, which provides a `Scrapy - plugin `__ and additional + plugin `__ and additional features, like `AI web scraping `__ If you are still unable to prevent your bot getting banned, consider contacting diff --git a/docs/topics/request-response.rst b/docs/topics/request-response.rst index b187f3aaf..55e8518a5 100644 --- a/docs/topics/request-response.rst +++ b/docs/topics/request-response.rst @@ -1309,7 +1309,7 @@ JsonResponse objects .. class:: JsonResponse(url[, ...]) - The :class:`JsonResponse` class is a subclass of :class:`TextResponse` - that is used when the response has a `JSON MIME type - `_ in its `Content-Type` + The :class:`JsonResponse` class is a subclass of :class:`TextResponse` + that is used when the response has a `JSON MIME type + `_ in its `Content-Type` header. diff --git a/docs/topics/selectors.rst b/docs/topics/selectors.rst index b95e6eab3..dbef07b73 100644 --- a/docs/topics/selectors.rst +++ b/docs/topics/selectors.rst @@ -559,7 +559,7 @@ For example, suppose you want to extract all ``

`` elements inside ``

`` elements. First, you would get all ``
`` elements: .. code-block:: pycon - + >>> divs = response.xpath("//div") At first, you may be tempted to use the following approach, which is wrong, as @@ -610,7 +610,7 @@ As it turns out, Scrapy selectors allow you to chain selectors, so most of the t you can just select by class using CSS and then switch to XPath when needed: .. code-block:: pycon - + >>> from scrapy import Selector >>> sel = Selector( ... text='
' @@ -1032,7 +1032,7 @@ whereas the CSS lookup is translated into XPath and thus runs more efficiently, so performance-wise its uses are limited to situations that are not easily described with CSS selectors. -Parsel also simplifies adding your own XPath extensions with +Parsel also simplifies adding your own XPath extensions with :func:`~parsel.xpathfuncs.set_xpathfunc`. .. _topics-selectors-ref: diff --git a/docs/topics/spiders.rst b/docs/topics/spiders.rst index e1b1c5ad6..0a67240d6 100644 --- a/docs/topics/spiders.rst +++ b/docs/topics/spiders.rst @@ -379,8 +379,8 @@ The above example can also be written as follows: def start_requests(self): yield scrapy.Request(f"http://www.example.com/categories/{self.category}") -If you are :ref:`running Scrapy from a script `, you can -specify spider arguments when calling +If you are :ref:`running Scrapy from a script `, you can +specify spider arguments when calling :class:`CrawlerProcess.crawl ` or :class:`CrawlerRunner.crawl `: diff --git a/docs/topics/stats.rst b/docs/topics/stats.rst index be8ecb7a5..9572a3785 100644 --- a/docs/topics/stats.rst +++ b/docs/topics/stats.rst @@ -86,7 +86,7 @@ Available Stats Collectors Besides the basic :class:`StatsCollector` there are other Stats Collectors available in Scrapy which extend the basic Stats Collector. You can select which Stats Collector to use through the :setting:`STATS_CLASS` setting. The -default Stats Collector used is the :class:`MemoryStatsCollector`. +default Stats Collector used is the :class:`MemoryStatsCollector`. .. currentmodule:: scrapy.statscollectors diff --git a/sep/sep-004.rst b/sep/sep-004.rst index b1cef2600..7a4ebe886 100644 --- a/sep/sep-004.rst +++ b/sep/sep-004.rst @@ -11,7 +11,7 @@ SEP-004: Library API ==================== .. note:: the library API has been implemented, but slightly different from proposed in this SEP. You can run a Scrapy crawler inside a Twisted - reactor, but not outside it. + reactor, but not outside it. Introduction ============ diff --git a/sep/sep-007.rst b/sep/sep-007.rst index 0ca2036ce..73ce0d338 100644 --- a/sep/sep-007.rst +++ b/sep/sep-007.rst @@ -96,7 +96,7 @@ specified, else utf-8 is used) and returns a new unicode object. E.g: ``clean_spaces`` ---------------- - + Converts multispaces into single spaces for the given string. E.g: :: diff --git a/sep/sep-008.rst b/sep/sep-008.rst index be5987e39..1c38b1c40 100644 --- a/sep/sep-008.rst +++ b/sep/sep-008.rst @@ -73,8 +73,8 @@ Alternative Public API Proposal - ``ItemLoader.get_stored_values()`` or ``ItemLoader.get_values()`` *(returns the ``ItemLoader values)* - ``ItemLoader.get_output_value()`` -- ``ItemLoader.get_input_processor()`` or ``ItemLoader.get_in_processor()`` *(short version)* -- ``ItemLoader.get_output_processor()`` or ``ItemLoader.get_out_processor()`` *(short version)* +- ``ItemLoader.get_input_processor()`` or ``ItemLoader.get_in_processor()`` *(short version)* +- ``ItemLoader.get_output_processor()`` or ``ItemLoader.get_out_processor()`` *(short version)* - ``ItemLoader.context`` diff --git a/sep/sep-014.rst b/sep/sep-014.rst index e03a2b0f6..0a2e6b51e 100644 --- a/sep/sep-014.rst +++ b/sep/sep-014.rst @@ -21,7 +21,7 @@ Current flaws and inconsistencies 2. Link extractors are inflexible and hard to maintain, link processing/filtering is tightly coupled. (e.g. canonicalize) 3. Isn't possible to crawl an url directly from command line because the Spider - does not know which callback use. + does not know which callback use. These flaws will be corrected by the changes proposed in this SEP. @@ -55,7 +55,7 @@ Request Extractors Request Extractors takes response object and determines which requests follow. This is an enhancement to ``LinkExtractors`` which returns urls (links), -Request Extractors return Request objects. +Request Extractors return Request objects. Request Processors ------------------ diff --git a/sep/sep-018.rst b/sep/sep-018.rst index 13ab501ed..e6d601fe1 100644 --- a/sep/sep-018.rst +++ b/sep/sep-018.rst @@ -200,7 +200,7 @@ the same spider: # extract item from response return item -The Spider Middleware that implements spider code +The Spider Middleware that implements spider code ================================================= There's gonna be one middleware that will take care of calling the proper @@ -625,7 +625,7 @@ Resolved: not the original one (think of redirections), but it does carry the ``meta`` of the original one. The original one may not be available anymore (in memory) if we're using a persistent scheduler., but in that case it would be - the deserialized request from the persistent scheduler queue. + the deserialized request from the persistent scheduler queue. - No - this would make implementation more complex and we're not sure it's really needed From 9b7db1a068895254aae1618fb684baf9cb0c2784 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Tue, 11 Mar 2025 12:43:50 +0100 Subject: [PATCH 423/786] Move some reference docs of Request to the code (#6721) --- docs/topics/request-response.rst | 75 +++++++++++++------------------- scrapy/http/request/__init__.py | 49 +++++++++++++++++++++ 2 files changed, 80 insertions(+), 44 deletions(-) diff --git a/docs/topics/request-response.rst b/docs/topics/request-response.rst index 55e8518a5..0375e0ff1 100644 --- a/docs/topics/request-response.rst +++ b/docs/topics/request-response.rst @@ -31,23 +31,12 @@ Request objects If the URL is invalid, a :exc:`ValueError` exception is raised. :type url: str - :param callback: the function that will be called with the response of this - request (once it's downloaded) as its first parameter. + :param callback: sets :attr:`callback`, defaults to ``None``. - In addition to a function, the following values are supported: - - - ``None`` (default), which indicates that the spider's - :meth:`~scrapy.Spider.parse` method must be used. - - - :func:`~scrapy.http.request.NO_CALLBACK` - - For more information, see - :ref:`topics-request-response-ref-request-callback-arguments`. - - .. note:: If exceptions are raised during processing, ``errback`` is - called instead. - - :type callback: collections.abc.Callable + .. versionchanged:: 2.0 + The *callback* parameter is no longer required when the *errback* + parameter is specified. + :type callback: Callable[Concatenate[Response, ...], Any] | None :param method: the HTTP method of this request. Defaults to ``'GET'``. :type method: str @@ -144,23 +133,15 @@ Request objects Negative values are allowed in order to indicate relatively low-priority. :type priority: int - :param dont_filter: indicates that this request should not be filtered by - the scheduler or some middlewares. This is used when you want to perform - an identical request multiple times, to ignore the duplicates filter. - Use it with care, or you will get into crawling loops. Default to ``False``. + :param dont_filter: sets :attr:`dont_filter`, defaults to ``False``. :type dont_filter: bool - :param errback: a function that will be called if any exception was - raised while processing the request. This includes pages that failed - with 404 HTTP errors and such. It receives a - :exc:`~twisted.python.failure.Failure` as first parameter. - For more information, - see :ref:`topics-request-response-ref-errbacks` below. + :param errback: sets :attr:`errback`, defaults to ``None``. - .. versionchanged:: 2.0 - The *callback* parameter is no longer required when the *errback* - parameter is specified. - :type errback: collections.abc.Callable + .. versionchanged:: 2.0 + The *callback* parameter is no longer required when the *errback* + parameter is specified. + :type errback: Callable[[Failure], Any] | None :param flags: Flags sent to the request, can be used for logging or similar purposes. :type flags: list @@ -194,6 +175,25 @@ Request objects This attribute is read-only. To change the body of a Request use :meth:`replace`. + .. autoattribute:: callback + + .. autoattribute:: errback + + .. attribute:: Request.cb_kwargs + + A dictionary that contains arbitrary metadata for this request. Its contents + will be passed to the Request's callback as keyword arguments. It is empty + for new Requests, which means by default callbacks only get a + :class:`~scrapy.http.Response` object as argument. + + This dict is :doc:`shallow copied ` when the request is + cloned using the ``copy()`` or ``replace()`` methods, and can also be + accessed, in your spider, from the ``response.cb_kwargs`` attribute. + + In case of a failure to process the request, this dict can be accessed as + ``failure.request.cb_kwargs`` in the request's errback. For more information, + see :ref:`errback-cb_kwargs`. + .. attribute:: Request.meta :value: {} @@ -237,20 +237,7 @@ Request objects Also mind that the :meth:`copy` and :meth:`replace` request methods :doc:`shallow-copy ` request metadata. - .. attribute:: Request.cb_kwargs - - A dictionary that contains arbitrary metadata for this request. Its contents - will be passed to the Request's callback as keyword arguments. It is empty - for new Requests, which means by default callbacks only get a - :class:`~scrapy.http.Response` object as argument. - - This dict is :doc:`shallow copied ` when the request is - cloned using the ``copy()`` or ``replace()`` methods, and can also be - accessed, in your spider, from the ``response.cb_kwargs`` attribute. - - In case of a failure to process the request, this dict can be accessed as - ``failure.request.cb_kwargs`` in the request's errback. For more information, - see :ref:`errback-cb_kwargs`. + .. autoattribute:: dont_filter .. autoattribute:: Request.attributes diff --git a/scrapy/http/request/__init__.py b/scrapy/http/request/__init__.py index e24f6874d..6d3b7a926 100644 --- a/scrapy/http/request/__init__.py +++ b/scrapy/http/request/__init__.py @@ -138,11 +138,60 @@ class Request(object_ref): ) if not (callable(errback) or errback is None): raise TypeError(f"errback must be a callable, got {type(errback).__name__}") + + #: :class:`~collections.abc.Callable` to parse the + #: :class:`~scrapy.http.Response` to this request once received. + #: + #: The callable must expect the response as its first parameter, and + #: support any additional keyword arguments set through + #: :attr:`cb_kwargs`. + #: + #: In addition to an arbitrary callable, the following values are also + #: supported: + #: + #: - ``None`` (default), which indicates that the + #: :meth:`~scrapy.Spider.parse` method of the spider must be used. + #: + #: - :func:`~scrapy.http.request.NO_CALLBACK`. + #: + #: If an unhandled exception is raised during request or response + #: processing, i.e. by a :ref:`spider middleware + #: `, :ref:`downloader middleware + #: ` or download handler + #: (:setting:`DOWNLOAD_HANDLERS`), :attr:`errback` is called instead. + #: + #: .. tip:: + #: :class:`~scrapy.spidermiddlewares.httperror.HttpErrorMiddleware` + #: raises exceptions for non-2xx responses by default, sending them + #: to the :attr:`errback` instead. + #: + #: .. seealso:: + #: :ref:`topics-request-response-ref-request-callback-arguments` self.callback: CallbackT | None = callback + + #: :class:`~collections.abc.Callable` to handle exceptions raised + #: during request or response processing. + #: + #: The callable must expect a :exc:`~twisted.python.failure.Failure` as + #: its first parameter. + #: + #: .. seealso:: :ref:`topics-request-response-ref-errbacks` self.errback: Callable[[Failure], Any] | None = errback self.cookies: CookiesT = cookies or {} self.headers: Headers = Headers(headers or {}, encoding=encoding) + + #: Whether this request may be filtered out by :ref:`components + #: ` that support filtering out requests (``False``, + #: default), or those components should not filter out this request + #: (``True``). + #: + #: This attribute is commonly set to ``True`` to prevent duplicate + #: requests from being filtered out. + #: + #: When defining the start URLs of a spider through + #: :attr:`~scrapy.Spider.start_urls`, this attribute is enabled by + #: default. See :meth:`~scrapy.Spider.start_requests`. self.dont_filter: bool = dont_filter self._meta: dict[str, Any] | None = dict(meta) if meta else None From 26ecc93228bc3dbb9d62daa419cb344ba6f88caa Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Tue, 11 Mar 2025 14:12:11 +0100 Subject: [PATCH 424/786] Run CI only on the main branch, on release branches and on PRs (#6720) --- .github/workflows/checks.yml | 7 ++++++- .github/workflows/tests-macos.yml | 7 ++++++- .github/workflows/tests-ubuntu.yml | 7 ++++++- .github/workflows/tests-windows.yml | 7 ++++++- 4 files changed, 24 insertions(+), 4 deletions(-) diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml index a064bf5b2..312af3b2e 100644 --- a/.github/workflows/checks.yml +++ b/.github/workflows/checks.yml @@ -1,5 +1,10 @@ name: Checks -on: [push, pull_request] +on: + push: + branches: + - master + - '[0-9]+.[0-9]+' + pull_request: concurrency: group: ${{github.workflow}}-${{ github.ref }} diff --git a/.github/workflows/tests-macos.yml b/.github/workflows/tests-macos.yml index c28a99982..ce0e1a6c2 100644 --- a/.github/workflows/tests-macos.yml +++ b/.github/workflows/tests-macos.yml @@ -1,5 +1,10 @@ name: macOS -on: [push, pull_request] +on: + push: + branches: + - master + - '[0-9]+.[0-9]+' + pull_request: concurrency: group: ${{github.workflow}}-${{ github.ref }} diff --git a/.github/workflows/tests-ubuntu.yml b/.github/workflows/tests-ubuntu.yml index 6c7842217..f74575ee1 100644 --- a/.github/workflows/tests-ubuntu.yml +++ b/.github/workflows/tests-ubuntu.yml @@ -1,5 +1,10 @@ name: Ubuntu -on: [push, pull_request] +on: + push: + branches: + - master + - '[0-9]+.[0-9]+' + pull_request: concurrency: group: ${{github.workflow}}-${{ github.ref }} diff --git a/.github/workflows/tests-windows.yml b/.github/workflows/tests-windows.yml index 45e4ca157..21d621240 100644 --- a/.github/workflows/tests-windows.yml +++ b/.github/workflows/tests-windows.yml @@ -1,5 +1,10 @@ name: Windows -on: [push, pull_request] +on: + push: + branches: + - master + - '[0-9]+.[0-9]+' + pull_request: concurrency: group: ${{github.workflow}}-${{ github.ref }} From 5a0690c89d718b33bd63c1cd724c50c9ceb809e9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Tue, 11 Mar 2025 14:52:48 +0100 Subject: [PATCH 425/786] Remove or post-pone the use of itemadapter.is_item, as a potentially expensive call (#6719) --- docs/faq.rst | 14 +++++++------ docs/topics/items.rst | 5 ++--- scrapy/commands/parse.py | 8 ++++---- scrapy/core/engine.py | 9 +-------- scrapy/core/scraper.py | 10 +--------- scrapy/exporters.py | 4 ++-- .../project/module/middlewares.py.tmpl | 2 +- scrapy/utils/serialize.py | 4 ++-- tests/test_crawl.py | 20 ++++++------------- 9 files changed, 27 insertions(+), 49 deletions(-) diff --git a/docs/faq.rst b/docs/faq.rst index cef3e69f3..da255f29e 100644 --- a/docs/faq.rst +++ b/docs/faq.rst @@ -361,16 +361,18 @@ method for this purpose. For example: from copy import deepcopy - from itemadapter import is_item, ItemAdapter + from itemadapter import ItemAdapter + from scrapy import Request class MultiplyItemsMiddleware: def process_spider_output(self, response, result, spider): - for item in result: - if is_item(item): - adapter = ItemAdapter(item) - for _ in range(adapter["multiply_by"]): - yield deepcopy(item) + for item_or_request in result: + if isinstance(item_or_request, Request): + continue + adapter = ItemAdapter(item) + for _ in range(adapter["multiply_by"]): + yield deepcopy(item) Does Scrapy support IPv6 addresses? ----------------------------------- diff --git a/docs/topics/items.rst b/docs/topics/items.rst index 7cc476863..0365c95b3 100644 --- a/docs/topics/items.rst +++ b/docs/topics/items.rst @@ -384,9 +384,8 @@ Supporting All Item Types In code that receives an item, such as methods of :ref:`item pipelines ` or :ref:`spider middlewares `, it is a good practice to use the -:class:`~itemadapter.ItemAdapter` class and the -:func:`~itemadapter.is_item` function to write code that works for -any supported item type. +:class:`~itemadapter.ItemAdapter` class to write code that works for any +supported item type. Other classes related to items ============================== diff --git a/scrapy/commands/parse.py b/scrapy/commands/parse.py index 61aea3ee4..c6ed20b3b 100644 --- a/scrapy/commands/parse.py +++ b/scrapy/commands/parse.py @@ -6,7 +6,7 @@ import json import logging from typing import TYPE_CHECKING, Any, TypeVar, overload -from itemadapter import ItemAdapter, is_item +from itemadapter import ItemAdapter from twisted.internet.defer import Deferred, maybeDeferred from w3lib.url import is_url @@ -211,10 +211,10 @@ class Command(BaseRunSpiderCommand): ) -> tuple[list[Any], list[Request], argparse.Namespace, int, Spider, CallbackT]: items, requests = [], [] for x in spider_output: - if is_item(x): - items.append(x) - elif isinstance(x, Request): + if isinstance(x, Request): requests.append(x) + else: + items.append(x) return items, requests, opts, depth, spider, callback def run_callback( diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index 61f444e31..b7a73700b 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -11,7 +11,6 @@ import logging from time import time from typing import TYPE_CHECKING, Any, TypeVar, cast -from itemadapter import is_item from twisted.internet.defer import Deferred, inlineCallbacks, succeed from twisted.internet.task import LoopingCall from twisted.python.failure import Failure @@ -194,14 +193,8 @@ class ExecutionEngine: else: if isinstance(request_or_item, Request): self.crawl(request_or_item) - elif is_item(request_or_item): - self.scraper.start_itemproc(request_or_item, response=None) else: - logger.error( - f"Got {request_or_item!r} among start requests. Only " - f"requests and items are supported. It will be " - f"ignored." - ) + self.scraper.start_itemproc(request_or_item, response=None) if self.spider_is_idle() and self.slot.close_if_idle: self._spider_idle() diff --git a/scrapy/core/scraper.py b/scrapy/core/scraper.py index 03301717d..b664b61f6 100644 --- a/scrapy/core/scraper.py +++ b/scrapy/core/scraper.py @@ -8,7 +8,6 @@ from collections import deque from collections.abc import AsyncIterable, Iterator from typing import TYPE_CHECKING, Any, TypeVar, Union, cast -from itemadapter import is_item from twisted.internet.defer import Deferred, inlineCallbacks from twisted.python.failure import Failure @@ -298,17 +297,10 @@ class Scraper: if isinstance(output, Request): assert self.crawler.engine is not None # typing self.crawler.engine.crawl(request=output) - elif is_item(output): - return self.start_itemproc(output, response=response) elif output is None: pass else: - typename = type(output).__name__ - logger.error( - "Spider must return request, item, or None, got %(typename)r in %(request)s", - {"request": request, "typename": typename}, - extra={"spider": spider}, - ) + return self.start_itemproc(output, response=response) return None def start_itemproc(self, item: Any, *, response: Response | None) -> Deferred[Any]: diff --git a/scrapy/exporters.py b/scrapy/exporters.py index 46c6aa3fa..0a641752e 100644 --- a/scrapy/exporters.py +++ b/scrapy/exporters.py @@ -356,12 +356,12 @@ class PythonItemExporter(BaseItemExporter): def _serialize_value(self, value: Any) -> Any: if isinstance(value, Item): return self.export_item(value) + if isinstance(value, (str, bytes)): + return to_unicode(value, encoding=self.encoding) if is_item(value): return dict(self._serialize_item(value)) if is_listlike(value): return [self._serialize_value(v) for v in value] - if isinstance(value, (str, bytes)): - return to_unicode(value, encoding=self.encoding) return value def _serialize_item(self, item: Any) -> Iterable[tuple[str | bytes, Any]]: diff --git a/scrapy/templates/project/module/middlewares.py.tmpl b/scrapy/templates/project/module/middlewares.py.tmpl index 8c9a86dce..dcb2d63de 100644 --- a/scrapy/templates/project/module/middlewares.py.tmpl +++ b/scrapy/templates/project/module/middlewares.py.tmpl @@ -6,7 +6,7 @@ from scrapy import signals # useful for handling different item types with a single interface -from itemadapter import is_item, ItemAdapter +from itemadapter import ItemAdapter class ${ProjectName}SpiderMiddleware: diff --git a/scrapy/utils/serialize.py b/scrapy/utils/serialize.py index 308e351c6..bcfae0c00 100644 --- a/scrapy/utils/serialize.py +++ b/scrapy/utils/serialize.py @@ -28,12 +28,12 @@ class ScrapyJSONEncoder(json.JSONEncoder): return str(o) if isinstance(o, defer.Deferred): return str(o) - if is_item(o): - return ItemAdapter(o).asdict() if isinstance(o, Request): return f"<{type(o).__name__} {o.method} {o.url}>" if isinstance(o, Response): return f"<{type(o).__name__} {o.status} {o.url}>" + if is_item(o): + return ItemAdapter(o).asdict() return super().default(o) diff --git a/tests/test_crawl.py b/tests/test_crawl.py index 5766f9313..6f4045fc8 100644 --- a/tests/test_crawl.py +++ b/tests/test_crawl.py @@ -1,6 +1,5 @@ import json import logging -import re import unittest from ipaddress import IPv4Address from socket import gethostbyname @@ -195,23 +194,16 @@ class TestCrawl(TestCase): @defer.inlineCallbacks def test_start_requests_unsupported_output(self): + """Anything that is not a request is assumed to be an item, avoiding a + potentially expensive call to itemadapter.is_item, and letting instead + things fail when ItemAdapter is actually used on the corresponding + non-item object.""" + with LogCapture("scrapy", level=logging.ERROR) as log: crawler = get_crawler(StartRequestsGoodAndBadOutput) yield crawler.crawl(mockserver=self.mockserver) - assert len(log.records) == 2 - assert log.records[0].msg == ( - "Got 'data:,b' among start requests. Only requests and items " - "are supported. It will be ignored." - ) - assert re.match( - ( - r"^Got among start " - r"requests\. Only requests and items are supported\. It " - r"will be ignored\.$" - ), - log.records[1].msg, - ) + assert len(log.records) == 0 @defer.inlineCallbacks def test_start_requests_laziness(self): From ba28d96d3ef2488e9c5c86d4a5c28a1aac269a2d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Tue, 11 Mar 2025 14:53:04 +0100 Subject: [PATCH 426/786] Centralize from_crawler docs (and somewhat related changes) (#6723) --- docs/topics/addons.rst | 17 +----- docs/topics/api.rst | 9 +-- docs/topics/components.rst | 80 +++++++++++++++++++++++++-- docs/topics/downloader-middleware.rst | 19 +------ docs/topics/email.rst | 14 +---- docs/topics/extensions.rst | 80 ++++++--------------------- docs/topics/item-pipeline.rst | 18 ++---- docs/topics/request-response.rst | 24 +------- docs/topics/settings.rst | 39 ++++--------- docs/topics/spider-middleware.rst | 69 +++++++++-------------- 10 files changed, 150 insertions(+), 219 deletions(-) diff --git a/docs/topics/addons.rst b/docs/topics/addons.rst index 8ec7b0295..17e3c177a 100644 --- a/docs/topics/addons.rst +++ b/docs/topics/addons.rst @@ -32,7 +32,8 @@ This is an example where two add-ons are enabled in a project's Writing your own add-ons ======================== -Add-ons are Python classes that include one or both of the following methods: +Add-ons are :ref:`components ` that include one or both of +the following methods: .. method:: update_settings(settings) @@ -54,20 +55,6 @@ Add-ons are Python classes that include one or both of the following methods: :param settings: The settings object storing Scrapy/component configuration :type settings: :class:`~scrapy.settings.BaseSettings` -They can also have the following method: - -.. classmethod:: from_crawler(cls, crawler) - :noindex: - - If present, this class method is called to create an add-on instance - from a :class:`~scrapy.crawler.Crawler`. It must return a new instance - of the add-on. The crawler object provides access to all Scrapy core - components like settings and signals; it is a way for the add-on to access - them and hook its functionality into Scrapy. - - :param crawler: The crawler that uses this add-on - :type crawler: :class:`~scrapy.crawler.Crawler` - The settings set by the add-on should use the ``addon`` priority (see :ref:`populating-settings` and :func:`scrapy.settings.BaseSettings.set`):: diff --git a/docs/topics/api.rst b/docs/topics/api.rst index edc625be8..5a00fd570 100644 --- a/docs/topics/api.rst +++ b/docs/topics/api.rst @@ -12,10 +12,11 @@ extensions and middlewares. Crawler API =========== -The main entry point to Scrapy API is the :class:`~scrapy.crawler.Crawler` -object, passed to extensions through the ``from_crawler`` class method. This -object provides access to all Scrapy core components, and it's the only way for -extensions to access them and hook their functionality into Scrapy. +The main entry point to the Scrapy API is the :class:`~scrapy.crawler.Crawler` +object, which :ref:`components ` can :ref:`get for +initialization `. It provides access to all Scrapy core +components, and it is the only way for components to access them and hook their +functionality into Scrapy. .. module:: scrapy.crawler :synopsis: The Scrapy crawler diff --git a/docs/topics/components.rst b/docs/topics/components.rst index d34b3884b..3a7644379 100644 --- a/docs/topics/components.rst +++ b/docs/topics/components.rst @@ -9,6 +9,8 @@ A Scrapy component is any class whose objects are built using That includes the classes that you may assign to the following settings: +- :setting:`ADDONS` + - :setting:`DNS_RESOLVER` - :setting:`DOWNLOAD_HANDLERS` @@ -41,10 +43,80 @@ Third-party Scrapy components may also let you define additional Scrapy components, usually configurable through :ref:`settings `, to modify their behavior. +.. _from-crawler: + +Initializing from the crawler +============================= + +Any Scrapy component may optionally define the following class method: + +.. classmethod:: from_crawler(cls, crawler: scrapy.crawler.Crawler, *args, **kwargs) + + Return an instance of the component based on *crawler*. + + *args* and *kwargs* are component-specific arguments that some components + receive. However, most components do not get any arguments, and instead + :ref:`use settings `. + + If a component class defines this method, this class method is called to + create any instance of the component. + + The *crawler* object provides access to all Scrapy core components like + :ref:`settings ` and :ref:`signals `, + allowing the component to access them and hook its functionality into + Scrapy. + +.. _component-settings: + +Settings +======== + +Components can be configured through :ref:`settings `. + +Components can read any setting from the +:attr:`~scrapy.crawler.Crawler.settings` attribute of the +:class:`~scrapy.crawler.Crawler` object they can :ref:`get for initialization +`. That includes both built-in and custom settings. + +For example: + +.. code-block:: python + + class MyExtension: + @classmethod + def from_crawler(cls, crawler): + settings = crawler.settings + return cls(settings.getbool("LOG_ENABLED")) + + def __init__(self, log_is_enabled=False): + if log_is_enabled: + print("log is enabled!") + +Components do not need to declare their custom settings programmatically. +However, they should document them, so that users know they exist and how to +use them. + +It is a good practice to prefix custom settings with the name of the component, +to avoid collisions with custom settings of other existing (or future) +components. For example, an extension called ``WarcCaching`` could prefix its +custom settings with ``WARC_CACHING_``. + +Another good practice, mainly for components meant for :ref:`component priority +dictionaries `, is to provide a boolean setting +called ``_ENABLED`` (e.g. ``WARC_CACHING_ENABLED``) to allow toggling +that component on and off without changing the component priority dictionary +setting. You can usually check the value of such a setting during +initialization, and if ``False``, raise +:exc:`~scrapy.exceptions.NotConfigured`. + +When choosing a name for a custom setting, it is also a good idea to have a +look at the names of :ref:`built-in settings `, to try to +maintain consistency with them. + .. _enforce-component-requirements: -Enforcing component requirements -================================ +Enforcing requirements +====================== Sometimes, your components may only be intended to work under certain conditions. For example, they may require a minimum version of Scrapy to work as @@ -58,8 +130,8 @@ In the case of :ref:`downloader middlewares `, :ref:`extensions `, :ref:`item pipelines `, and :ref:`spider middlewares `, you should raise -:exc:`scrapy.exceptions.NotConfigured`, passing a description of the issue as a -parameter to the exception so that it is printed in the logs, for the user to +:exc:`~scrapy.exceptions.NotConfigured`, passing a description of the issue as +a parameter to the exception so that it is printed in the logs, for the user to see. For other components, feel free to raise whatever other exception feels right to you; for example, :exc:`RuntimeError` would make sense for a Scrapy version mismatch, while :exc:`ValueError` may be better if the issue is the diff --git a/docs/topics/downloader-middleware.rst b/docs/topics/downloader-middleware.rst index ab7e6a0ec..60b6aab78 100644 --- a/docs/topics/downloader-middleware.rst +++ b/docs/topics/downloader-middleware.rst @@ -61,12 +61,8 @@ particular setting. See each middleware documentation for more info. Writing your own downloader middleware ====================================== -Each downloader middleware is a Python class that defines one or more of the -methods defined below. - -The main entry point is the ``from_crawler`` class method, which receives a -:class:`~scrapy.crawler.Crawler` instance. The :class:`~scrapy.crawler.Crawler` -object gives you access, for example, to the :ref:`settings `. +Each downloader middleware is a :ref:`component ` that +defines one or more of these methods: .. module:: scrapy.downloadermiddlewares @@ -167,17 +163,6 @@ object gives you access, for example, to the :ref:`settings `. :param spider: the spider for which this request is intended :type spider: :class:`~scrapy.Spider` object - .. method:: from_crawler(cls, crawler) - - If present, this classmethod is called to create a middleware instance - from a :class:`~scrapy.crawler.Crawler`. It must return a new instance - of the middleware. Crawler object provides access to all Scrapy core - components like settings and signals; it is a way for middleware to - access them and hook its functionality into Scrapy. - - :param crawler: crawler that uses this middleware - :type crawler: :class:`~scrapy.crawler.Crawler` object - .. _topics-downloader-middleware-ref: Built-in downloader middleware reference diff --git a/docs/topics/email.rst b/docs/topics/email.rst index 8f7a2357a..1d7bad787 100644 --- a/docs/topics/email.rst +++ b/docs/topics/email.rst @@ -50,9 +50,9 @@ And here is how to use it to send an e-mail (without attachments): MailSender class reference ========================== -MailSender is the preferred class to use for sending emails from Scrapy, as it -uses :doc:`Twisted non-blocking IO `, like the -rest of the framework. +The MailSender :ref:`components ` is the preferred class to +use for sending emails from Scrapy, as it uses :doc:`Twisted non-blocking IO +`, like the rest of the framework. .. class:: MailSender(smtphost=None, mailfrom=None, smtpuser=None, smtppass=None, smtpport=None) @@ -81,14 +81,6 @@ rest of the framework. :param smtpssl: enforce using a secure SSL connection :type smtpssl: bool - .. classmethod:: from_crawler(crawler) - - Instantiate using a :class:`scrapy.Crawler` instance, which will - respect :ref:`these Scrapy settings `. - - :param crawler: the crawler - :type settings: :class:`scrapy.Crawler` object - .. method:: send(to, subject, body, cc=None, attachs=(), mimetype='text/plain', charset=None) Send email to the given recipients. diff --git a/docs/topics/extensions.rst b/docs/topics/extensions.rst index 23bbcfcb5..e1e3dd6b4 100644 --- a/docs/topics/extensions.rst +++ b/docs/topics/extensions.rst @@ -4,34 +4,21 @@ Extensions ========== -The extensions framework provides a mechanism for inserting your own -custom functionality into Scrapy. +Extensions are :ref:`components ` that allow inserting your +own custom functionality into Scrapy. -Extensions are just regular classes. +Unlike other components, extensions do not have a specific role in Scrapy. They +are “wildcard” components that can be used for anything that does not fit the +role of any other type of component. -Extension settings -================== +Loading and activating extensions +================================= -Extensions use the :ref:`Scrapy settings ` to manage their -settings, just like any other Scrapy code. +Extensions are loaded at startup by creating a single instance of the extension +class per spider being run. -It is customary for extensions to prefix their settings with their own name, to -avoid collision with existing (and future) extensions. For example, a -hypothetical extension to handle `Google Sitemaps`_ would use settings like -``GOOGLESITEMAP_ENABLED``, ``GOOGLESITEMAP_DEPTH``, and so on. - -.. _Google Sitemaps: https://en.wikipedia.org/wiki/Sitemaps - -Loading & activating extensions -=============================== - -Extensions are loaded and activated at startup by instantiating a single -instance of the extension class per spider being run. All the extension -initialization code must be performed in the class ``__init__`` method. - -To make an extension available, add it to the :setting:`EXTENSIONS` setting in -your Scrapy settings. In :setting:`EXTENSIONS`, each extension is represented -by a string: the full Python path to the extension's class name. For example: +To enable an extension, add it to the :setting:`EXTENSIONS` setting. For +example: .. code-block:: python @@ -40,55 +27,24 @@ by a string: the full Python path to the extension's class name. For example: "scrapy.extensions.telnet.TelnetConsole": 500, } - -As you can see, the :setting:`EXTENSIONS` setting is a dict where the keys are -the extension paths, and their values are the orders, which define the -extension *loading* order. The :setting:`EXTENSIONS` setting is merged with the -:setting:`EXTENSIONS_BASE` setting defined in Scrapy (and not meant to be -overridden) and then sorted by order to get the final sorted list of enabled -extensions. +:setting:`EXTENSIONS` is merged with :setting:`EXTENSIONS_BASE` (not meant to +be overridden), and the priorities in the resulting value determine the +*loading* order. As extensions typically do not depend on each other, their loading order is irrelevant in most cases. This is why the :setting:`EXTENSIONS_BASE` setting -defines all extensions with the same order (``0``). However, this feature can -be exploited if you need to add an extension which depends on other extensions -already loaded. - -Available, enabled and disabled extensions -========================================== - -Not all available extensions will be enabled. Some of them usually depend on a -particular setting. For example, the HTTP Cache extension is available by default -but disabled unless the :setting:`HTTPCACHE_ENABLED` setting is set. - -Disabling an extension -====================== - -In order to disable an extension that comes enabled by default (i.e. those -included in the :setting:`EXTENSIONS_BASE` setting) you must set its order to -``None``. For example: - -.. code-block:: python - - EXTENSIONS = { - "scrapy.extensions.corestats.CoreStats": None, - } +defines all extensions with the same order (``0``). However, you may need to +carefully use priorities if you add an extension that depends on other +extensions being already loaded. Writing your own extension ========================== -Each extension is a Python class. The main entry point for a Scrapy extension -(this also includes middlewares and pipelines) is the ``from_crawler`` -class method which receives a ``Crawler`` instance. Through the Crawler object -you can access settings, signals, stats, and also control the crawling behaviour. +Each extension is a :ref:`component `. Typically, extensions connect to :ref:`signals ` and perform tasks triggered by them. -Finally, if the ``from_crawler`` method raises the -:exc:`~scrapy.exceptions.NotConfigured` exception, the extension will be -disabled. Otherwise, the extension will be enabled. - Sample extension ---------------- diff --git a/docs/topics/item-pipeline.rst b/docs/topics/item-pipeline.rst index 310f153e8..dc27ce6ca 100644 --- a/docs/topics/item-pipeline.rst +++ b/docs/topics/item-pipeline.rst @@ -23,7 +23,8 @@ Typical uses of item pipelines are: Writing your own item pipeline ============================== -Each item pipeline component is a Python class that must implement the following method: +Each item pipeline is a :ref:`component ` that must +implement the following method: .. method:: process_item(self, item, spider) @@ -60,17 +61,6 @@ Additionally, they may also implement the following methods: :param spider: the spider which was closed :type spider: :class:`~scrapy.Spider` object -.. classmethod:: from_crawler(cls, crawler) - - If present, this class method is called to create a pipeline instance - from a :class:`~scrapy.crawler.Crawler`. It must return a new instance - of the pipeline. Crawler object provides access to all Scrapy core - components like settings and signals; it is a way for pipeline to - access them and hook its functionality into Scrapy. - - :param crawler: crawler that uses this pipeline - :type crawler: :class:`~scrapy.crawler.Crawler` object - Item pipeline example ===================== @@ -139,8 +129,8 @@ In this example we'll write items to MongoDB_ using pymongo_. MongoDB address and database name are specified in Scrapy settings; MongoDB collection is named after item class. -The main point of this example is to show how to use :meth:`from_crawler` -method and how to clean up the resources properly. +The main point of this example is to show how to :ref:`get the crawler +` and how to clean up the resources properly. .. skip: next .. code-block:: python diff --git a/docs/topics/request-response.rst b/docs/topics/request-response.rst index 0375e0ff1..77837378e 100644 --- a/docs/topics/request-response.rst +++ b/docs/topics/request-response.rst @@ -463,35 +463,17 @@ import path. Writing your own request fingerprinter ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -A request fingerprinter is a class that must implement the following method: +A request fingerprinter is a :ref:`component ` that must +implement the following method: .. currentmodule:: None -.. method:: fingerprint(self, request) +.. method:: fingerprint(self, request: scrapy.Request) Return a :class:`bytes` object that uniquely identifies *request*. See also :ref:`request-fingerprint-restrictions`. - :param request: request to fingerprint - :type request: scrapy.Request - -Additionally, it may also implement the following method: - -.. classmethod:: from_crawler(cls, crawler) - :noindex: - - If present, this class method is called to create a request fingerprinter - instance from a :class:`~scrapy.crawler.Crawler` object. It must return a - new instance of the request fingerprinter. - - *crawler* provides access to all Scrapy core components like settings and - signals; it is a way for the request fingerprinter to access them and hook - its functionality into Scrapy. - - :param crawler: crawler that uses this request fingerprinter - :type crawler: :class:`~scrapy.crawler.Crawler` object - .. currentmodule:: scrapy.http The :meth:`fingerprint` method of the default request fingerprinter, diff --git a/docs/topics/settings.rst b/docs/topics/settings.rst index 7646aca4f..b2bb7148f 100644 --- a/docs/topics/settings.rst +++ b/docs/topics/settings.rst @@ -204,7 +204,7 @@ How to access settings .. highlight:: python -In a spider, the settings are available through ``self.settings``: +In a spider, settings are available through ``self.settings``: .. code-block:: python @@ -217,37 +217,17 @@ In a spider, the settings are available through ``self.settings``: .. note:: The ``settings`` attribute is set in the base Spider class after the spider - is initialized. If you want to use the settings before the initialization + is initialized. If you want to use settings before the initialization (e.g., in your spider's ``__init__()`` method), you'll need to override the :meth:`~scrapy.Spider.from_crawler` method. -Settings can be accessed through the :attr:`scrapy.crawler.Crawler.settings` -attribute of the Crawler that is passed to ``from_crawler`` method in -extensions, middlewares and item pipelines: +:ref:`Components ` can also :ref:`access settings +`. -.. code-block:: python - - class MyExtension: - def __init__(self, log_is_enabled=False): - if log_is_enabled: - print("log is enabled!") - - @classmethod - def from_crawler(cls, crawler): - settings = crawler.settings - return cls(settings.getbool("LOG_ENABLED")) - -The settings object can be used like a dict (e.g., -``settings['LOG_ENABLED']``), but it's usually preferred to extract the setting -in the format you need it to avoid type errors, using one of the methods -provided by the :class:`~scrapy.settings.Settings` API. - -Rationale for setting names -=========================== - -Setting names are usually prefixed with the component that they configure. For -example, proper setting names for a fictional robots.txt extension would be -``ROBOTSTXT_ENABLED``, ``ROBOTSTXT_OBEY``, ``ROBOTSTXT_CACHEDIR``, etc. +The ``settings`` object can be used like a :class:`dict` (e.g. +``settings["LOG_ENABLED"]``). However, to support non-string setting values, +which may be passed from the command line as strings, it is recommended to use +one of the methods provided by the :class:`~scrapy.settings.Settings` API. .. _component-priority-dictionaries: @@ -1211,7 +1191,8 @@ EXTENSIONS Default:: ``{}`` -A dict containing the extensions enabled in your project, and their orders. +:ref:`Component priority dictionary ` of +enabled extensions. See :ref:`topics-extensions`. .. setting:: EXTENSIONS_BASE diff --git a/docs/topics/spider-middleware.rst b/docs/topics/spider-middleware.rst index 2b59cabe1..567a875b6 100644 --- a/docs/topics/spider-middleware.rst +++ b/docs/topics/spider-middleware.rst @@ -63,17 +63,38 @@ particular setting. See each middleware documentation for more info. Writing your own spider middleware ================================== -Each spider middleware is a Python class that defines one or more of the -methods defined below. - -The main entry point is the ``from_crawler`` class method, which receives a -:class:`~scrapy.crawler.Crawler` instance. The :class:`~scrapy.crawler.Crawler` -object gives you access, for example, to the :ref:`settings `. +Each spider middleware is a :ref:`component ` that defines +one or more of these methods: .. module:: scrapy.spidermiddlewares .. class:: SpiderMiddleware + .. method:: process_start_requests(start_requests, spider) + + This method is called with the start requests of the spider, and works + similarly to the :meth:`process_spider_output` method, except that it + doesn't have a response associated and must return only requests (not + items). + + It receives an iterable (in the ``start_requests`` parameter) and must + return another iterable of :class:`~scrapy.Request` objects and/or :ref:`item objects `. + + .. note:: When implementing this method in your spider middleware, you + should always return an iterable (that follows the input one) and + not consume all ``start_requests`` iterator because it can be very + large (or even unbounded) and cause a memory overflow. The Scrapy + engine is designed to pull start requests while it has capacity to + process them, so the start requests iterator can be effectively + endless where there is some other condition for stopping the spider + (like a time limit or item/page count). + + :param start_requests: the start requests + :type start_requests: an iterable of :class:`~scrapy.Request` + + :param spider: the spider to whom the start requests belong + :type spider: :class:`~scrapy.Spider` object + .. method:: process_spider_input(response, spider) This method is called for each response that goes through the spider @@ -168,42 +189,6 @@ object gives you access, for example, to the :ref:`settings `. :param spider: the spider which raised the exception :type spider: :class:`~scrapy.Spider` object - .. method:: process_start_requests(start_requests, spider) - - This method is called with the start requests of the spider, and works - similarly to the :meth:`process_spider_output` method, except that it - doesn't have a response associated and must return only requests (not - items). - - It receives an iterable (in the ``start_requests`` parameter) and must - return another iterable of :class:`~scrapy.Request` objects and/or :ref:`item objects `. - - .. note:: When implementing this method in your spider middleware, you - should always return an iterable (that follows the input one) and - not consume all ``start_requests`` iterator because it can be very - large (or even unbounded) and cause a memory overflow. The Scrapy - engine is designed to pull start requests while it has capacity to - process them, so the start requests iterator can be effectively - endless where there is some other condition for stopping the spider - (like a time limit or item/page count). - - :param start_requests: the start requests - :type start_requests: an iterable of :class:`~scrapy.Request` - - :param spider: the spider to whom the start requests belong - :type spider: :class:`~scrapy.Spider` object - - .. method:: from_crawler(cls, crawler) - - If present, this classmethod is called to create a middleware instance - from a :class:`~scrapy.crawler.Crawler`. It must return a new instance - of the middleware. Crawler object provides access to all Scrapy core - components like settings and signals; it is a way for middleware to - access them and hook its functionality into Scrapy. - - :param crawler: crawler that uses this middleware - :type crawler: :class:`~scrapy.crawler.Crawler` object - .. _topics-spider-middleware-ref: Built-in spider middleware reference From 803b4f258d85ab4f85c7c230e6c025f54e836269 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Tue, 11 Mar 2025 14:53:42 +0100 Subject: [PATCH 427/786] tox: move to posargs pytest parameters that can be too noisy when running specific tests (#6724) --- tox.ini | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/tox.ini b/tox.ini index 041fcffca..70c841603 100644 --- a/tox.ini +++ b/tox.ini @@ -39,7 +39,7 @@ passenv = #allow tox virtualenv to upgrade pip/wheel/setuptools download = true commands = - pytest --cov-config=pyproject.toml --cov=scrapy --cov-report= --cov-report=term-missing --cov-report=xml {posargs:--durations=10 docs scrapy tests} --doctest-modules + pytest {posargs:--cov-config=pyproject.toml --cov=scrapy --cov-report= --cov-report=term-missing --cov-report=xml --durations=10 docs scrapy tests --doctest-modules} install_command = python -I -m pip install -ctests/upper-constraints.txt {opts} {packages} @@ -58,7 +58,7 @@ deps = pytest >= 8.2.0 w3lib >= 2.2.0 commands = - mypy {posargs: scrapy tests} + mypy {posargs:scrapy tests} [testenv:typing-tests] basepython = python3.9 @@ -67,7 +67,7 @@ deps = {[testenv:typing]deps} pytest-mypy-testing==0.1.3 commands = - pytest {posargs: tests_typing} + pytest {posargs:tests_typing} [testenv:pre-commit] basepython = python3 @@ -119,7 +119,7 @@ install_command = python -I -m pip install {opts} {packages} commands = ; tests for docs fail with parsel < 1.8.0 - pytest --cov-config=pyproject.toml --cov=scrapy --cov-report=xml --cov-report= {posargs:--durations=10 scrapy tests} + pytest {posargs:--cov-config=pyproject.toml --cov=scrapy --cov-report=xml --cov-report= --durations=10 scrapy tests} [testenv:pinned] basepython = {[pinned]basepython} @@ -266,7 +266,7 @@ deps = {[testenv]deps} botocore>=1.4.87 commands = - pytest --cov-config=pyproject.toml --cov=scrapy --cov-report=xml --cov-report= {posargs:tests -m requires_botocore} + pytest {posargs:--cov-config=pyproject.toml --cov=scrapy --cov-report=xml --cov-report= tests -m requires_botocore} [testenv:botocore-pinned] basepython = {[pinned]basepython} @@ -277,4 +277,4 @@ install_command = {[pinned]install_command} setenv = {[pinned]setenv} commands = - pytest --cov-config=pyproject.toml --cov=scrapy --cov-report=xml --cov-report= {posargs:tests -m requires_botocore} + pytest {posargs:--cov-config=pyproject.toml --cov=scrapy --cov-report=xml --cov-report= tests -m requires_botocore} From eb654aa1a8d2ef6433957fcc1361420b6141094e Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Tue, 11 Mar 2025 21:00:36 +0400 Subject: [PATCH 428/786] Convert remaining unittest assert* calls, use the tmp_path fixture. (#6725) --- pyproject.toml | 4 -- scrapy/utils/test.py | 2 +- tests/test_downloadermiddleware_robotstxt.py | 13 ++++- tests/test_engine.py | 8 ++- tests/test_pipeline_files.py | 58 ++++++++------------ tests/test_pipeline_images.py | 44 +++++++-------- tests/test_utils_template.py | 16 +----- 7 files changed, 62 insertions(+), 83 deletions(-) diff --git a/pyproject.toml b/pyproject.toml index 82d8056f6..84bf41a94 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -374,10 +374,6 @@ ignore = [ "B904", # Use capitalized environment variable "SIM112", - - # Temporarily silenced PT rules - # Use a regular `assert` instead of unittest-style `assertEqual` - "PT009", ] [tool.ruff.lint.per-file-ignores] diff --git a/scrapy/utils/test.py b/scrapy/utils/test.py index db1f5c419..b69f43438 100644 --- a/scrapy/utils/test.py +++ b/scrapy/utils/test.py @@ -156,7 +156,7 @@ def assert_samelines( category=ScrapyDeprecationWarning, stacklevel=2, ) - testcase.assertEqual(text1.splitlines(), text2.splitlines(), msg) + testcase.assertEqual(text1.splitlines(), text2.splitlines(), msg) # noqa: PT009 def get_from_asyncio_queue(value: _T) -> Awaitable[_T]: diff --git a/tests/test_downloadermiddleware_robotstxt.py b/tests/test_downloadermiddleware_robotstxt.py index 38f0333bb..ad335f852 100644 --- a/tests/test_downloadermiddleware_robotstxt.py +++ b/tests/test_downloadermiddleware_robotstxt.py @@ -1,3 +1,4 @@ +from typing import Any from unittest import mock import pytest @@ -171,7 +172,11 @@ Disallow: /some/randome/page.html middleware = RobotsTxtMiddleware(self.crawler) middleware._logerror = mock.MagicMock(side_effect=middleware._logerror) deferred = middleware.process_request(Request("http://site.local"), None) - deferred.addCallback(lambda _: self.assertTrue(middleware._logerror.called)) + + def check_called(_: Any) -> None: + assert middleware._logerror.called + + deferred.addCallback(check_called) return deferred def test_robotstxt_immediate_error(self): @@ -202,7 +207,11 @@ Disallow: /some/randome/page.html mw_module_logger.error = mock.MagicMock() d = self.assertNotIgnored(Request("http://site.local/allowed"), middleware) - d.addCallback(lambda _: self.assertFalse(mw_module_logger.error.called)) + + def check_not_called(_: Any) -> None: + assert not mw_module_logger.error.called # type: ignore[attr-defined] + + d.addCallback(check_not_called) return d def test_robotstxt_user_agent_setting(self): diff --git a/tests/test_engine.py b/tests/test_engine.py index 4bac8d273..ba4c6dc40 100644 --- a/tests/test_engine.py +++ b/tests/test_engine.py @@ -433,10 +433,12 @@ class TestEngine(TestEngineBase): e = ExecutionEngine(get_crawler(MySpider), lambda _: None) yield e.open_spider(MySpider(), []) e.start() + + def cb(exc: BaseException) -> None: + assert str(exc), "Engine already running" + try: - yield self.assertFailure(e.start(), RuntimeError).addBoth( - lambda exc: self.assertEqual(str(exc), "Engine already running") - ) + yield self.assertFailure(e.start(), RuntimeError).addBoth(cb) finally: yield e.stop() diff --git a/tests/test_pipeline_files.py b/tests/test_pipeline_files.py index e515c16a0..9a582e4b7 100644 --- a/tests/test_pipeline_files.py +++ b/tests/test_pipeline_files.py @@ -266,17 +266,11 @@ class TestFilesPipeline(unittest.TestCase): class FilesPipelineTestCaseFieldsMixin: - def setup_method(self): - self.tempdir = mkdtemp() - - def teardown_method(self): - rmtree(self.tempdir) - - def test_item_fields_default(self): + def test_item_fields_default(self, tmp_path): url = "http://www.example.com/files/1.txt" item = self.item_class(name="item1", file_urls=[url]) pipeline = FilesPipeline.from_crawler( - get_crawler(None, {"FILES_STORE": self.tempdir}) + get_crawler(None, {"FILES_STORE": tmp_path}) ) requests = list(pipeline.get_media_requests(item, None)) assert requests[0].url == url @@ -286,14 +280,14 @@ class FilesPipelineTestCaseFieldsMixin: assert files == [results[0][1]] assert isinstance(item, self.item_class) - def test_item_fields_override_settings(self): + def test_item_fields_override_settings(self, tmp_path): url = "http://www.example.com/files/1.txt" item = self.item_class(name="item1", custom_file_urls=[url]) pipeline = FilesPipeline.from_crawler( get_crawler( None, { - "FILES_STORE": self.tempdir, + "FILES_STORE": tmp_path, "FILES_URLS_FIELD": "custom_file_urls", "FILES_RESULT_FIELD": "custom_files", }, @@ -368,13 +362,7 @@ class TestFilesPipelineCustomSettings: ("FILES_RESULT_FIELD", "FILES_RESULT_FIELD", "files_result_field"), } - def setup_method(self): - self.tempdir = mkdtemp() - - def teardown_method(self): - rmtree(self.tempdir) - - def _generate_fake_settings(self, prefix=None): + def _generate_fake_settings(self, tmp_path, prefix=None): def random_string(): return "".join([chr(random.randint(97, 123)) for _ in range(10)]) @@ -382,7 +370,7 @@ class TestFilesPipelineCustomSettings: "FILES_EXPIRES": random.randint(100, 1000), "FILES_URLS_FIELD": random_string(), "FILES_RESULT_FIELD": random_string(), - "FILES_STORE": self.tempdir, + "FILES_STORE": tmp_path, } if not prefix: return settings @@ -400,16 +388,16 @@ class TestFilesPipelineCustomSettings: return UserDefinedFilePipeline - def test_different_settings_for_different_instances(self): + def test_different_settings_for_different_instances(self, tmp_path): """ If there are different instances with different settings they should keep different settings. """ - custom_settings = self._generate_fake_settings() + custom_settings = self._generate_fake_settings(tmp_path) another_pipeline = FilesPipeline.from_crawler( get_crawler(None, custom_settings) ) - one_pipeline = FilesPipeline(self.tempdir, crawler=get_crawler(None)) + one_pipeline = FilesPipeline(tmp_path, crawler=get_crawler(None)) for pipe_attr, settings_attr, pipe_ins_attr in self.file_cls_attr_settings_map: default_value = self.default_cls_settings[pipe_attr] assert getattr(one_pipeline, pipe_attr) == default_value @@ -417,24 +405,24 @@ class TestFilesPipelineCustomSettings: assert default_value != custom_value assert getattr(another_pipeline, pipe_ins_attr) == custom_value - def test_subclass_attributes_preserved_if_no_settings(self): + def test_subclass_attributes_preserved_if_no_settings(self, tmp_path): """ If subclasses override class attributes and there are no special settings those values should be kept. """ pipe_cls = self._generate_fake_pipeline() - pipe = pipe_cls.from_crawler(get_crawler(None, {"FILES_STORE": self.tempdir})) + pipe = pipe_cls.from_crawler(get_crawler(None, {"FILES_STORE": tmp_path})) for pipe_attr, settings_attr, pipe_ins_attr in self.file_cls_attr_settings_map: custom_value = getattr(pipe, pipe_ins_attr) assert custom_value != self.default_cls_settings[pipe_attr] assert getattr(pipe, pipe_ins_attr) == getattr(pipe, pipe_attr) - def test_subclass_attrs_preserved_custom_settings(self): + def test_subclass_attrs_preserved_custom_settings(self, tmp_path): """ If file settings are defined but they are not defined for subclass settings should be preserved. """ pipeline_cls = self._generate_fake_pipeline() - settings = self._generate_fake_settings() + settings = self._generate_fake_settings(tmp_path) pipeline = pipeline_cls.from_crawler(get_crawler(None, settings)) for pipe_attr, settings_attr, pipe_ins_attr in self.file_cls_attr_settings_map: value = getattr(pipeline, pipe_ins_attr) @@ -442,7 +430,7 @@ class TestFilesPipelineCustomSettings: assert value != self.default_cls_settings[pipe_attr] assert value == setting_value - def test_no_custom_settings_for_subclasses(self): + def test_no_custom_settings_for_subclasses(self, tmp_path): """ If there are no settings for subclass and no subclass attributes, pipeline should use attributes of base class. @@ -452,14 +440,14 @@ class TestFilesPipelineCustomSettings: pass user_pipeline = UserDefinedFilesPipeline.from_crawler( - get_crawler(None, {"FILES_STORE": self.tempdir}) + get_crawler(None, {"FILES_STORE": tmp_path}) ) for pipe_attr, settings_attr, pipe_ins_attr in self.file_cls_attr_settings_map: # Values from settings for custom pipeline should be set on pipeline instance. custom_value = self.default_cls_settings.get(pipe_attr.upper()) assert getattr(user_pipeline, pipe_ins_attr) == custom_value - def test_custom_settings_for_subclasses(self): + def test_custom_settings_for_subclasses(self, tmp_path): """ If there are custom settings for subclass and NO class attributes, pipeline should use custom settings. @@ -469,7 +457,7 @@ class TestFilesPipelineCustomSettings: pass prefix = UserDefinedFilesPipeline.__name__.upper() - settings = self._generate_fake_settings(prefix=prefix) + settings = self._generate_fake_settings(tmp_path, prefix=prefix) user_pipeline = UserDefinedFilesPipeline.from_crawler( get_crawler(None, settings) ) @@ -479,14 +467,14 @@ class TestFilesPipelineCustomSettings: assert custom_value != self.default_cls_settings[pipe_attr] assert getattr(user_pipeline, pipe_inst_attr) == custom_value - def test_custom_settings_and_class_attrs_for_subclasses(self): + def test_custom_settings_and_class_attrs_for_subclasses(self, tmp_path): """ If there are custom settings for subclass AND class attributes setting keys are preferred and override attributes. """ pipeline_cls = self._generate_fake_pipeline() prefix = pipeline_cls.__name__.upper() - settings = self._generate_fake_settings(prefix=prefix) + settings = self._generate_fake_settings(tmp_path, prefix=prefix) user_pipeline = pipeline_cls.from_crawler(get_crawler(None, settings)) for ( pipe_cls_attr, @@ -497,13 +485,13 @@ class TestFilesPipelineCustomSettings: assert custom_value != self.default_cls_settings[pipe_cls_attr] assert getattr(user_pipeline, pipe_inst_attr) == custom_value - def test_cls_attrs_with_DEFAULT_prefix(self): + def test_cls_attrs_with_DEFAULT_prefix(self, tmp_path): class UserDefinedFilesPipeline(FilesPipeline): DEFAULT_FILES_RESULT_FIELD = "this" DEFAULT_FILES_URLS_FIELD = "that" pipeline = UserDefinedFilesPipeline.from_crawler( - get_crawler(None, {"FILES_STORE": self.tempdir}) + get_crawler(None, {"FILES_STORE": tmp_path}) ) assert ( pipeline.files_result_field @@ -514,12 +502,12 @@ class TestFilesPipelineCustomSettings: == UserDefinedFilesPipeline.DEFAULT_FILES_URLS_FIELD ) - def test_user_defined_subclass_default_key_names(self): + def test_user_defined_subclass_default_key_names(self, tmp_path): """Test situation when user defines subclass of FilesPipeline, but uses attribute names for default pipeline (without prefixing them with pipeline class name). """ - settings = self._generate_fake_settings() + settings = self._generate_fake_settings(tmp_path) class UserPipe(FilesPipeline): pass diff --git a/tests/test_pipeline_images.py b/tests/test_pipeline_images.py index fef6bbbe9..f2ee18bd9 100644 --- a/tests/test_pipeline_images.py +++ b/tests/test_pipeline_images.py @@ -314,13 +314,7 @@ class TestImagesPipelineCustomSettings: "IMAGES_RESULT_FIELD": "images", } - def setup_method(self): - self.tempdir = mkdtemp() - - def teardown_method(self): - rmtree(self.tempdir) - - def _generate_fake_settings(self, prefix=None): + def _generate_fake_settings(self, tmp_path, prefix=None): """ :param prefix: string for setting keys :return: dictionary of image pipeline settings @@ -331,7 +325,7 @@ class TestImagesPipelineCustomSettings: settings = { "IMAGES_EXPIRES": random.randint(100, 1000), - "IMAGES_STORE": self.tempdir, + "IMAGES_STORE": tmp_path, "IMAGES_RESULT_FIELD": random_string(), "IMAGES_URLS_FIELD": random_string(), "IMAGES_MIN_WIDTH": random.randint(1, 1000), @@ -368,13 +362,13 @@ class TestImagesPipelineCustomSettings: return UserDefinedImagePipeline - def test_different_settings_for_different_instances(self): + def test_different_settings_for_different_instances(self, tmp_path): """ If there are two instances of ImagesPipeline class with different settings, they should have different settings. """ - custom_settings = self._generate_fake_settings() - default_sts_pipe = ImagesPipeline(self.tempdir, crawler=get_crawler(None)) + custom_settings = self._generate_fake_settings(tmp_path) + default_sts_pipe = ImagesPipeline(tmp_path, crawler=get_crawler(None)) user_sts_pipe = ImagesPipeline.from_crawler(get_crawler(None, custom_settings)) for pipe_attr, settings_attr in self.img_cls_attribute_names: expected_default_value = self.default_pipeline_settings.get(pipe_attr) @@ -385,14 +379,14 @@ class TestImagesPipelineCustomSettings: ) assert getattr(user_sts_pipe, pipe_attr.lower()) == custom_value - def test_subclass_attrs_preserved_default_settings(self): + def test_subclass_attrs_preserved_default_settings(self, tmp_path): """ If image settings are not defined at all subclass of ImagePipeline takes values from class attributes. """ pipeline_cls = self._generate_fake_pipeline_subclass() pipeline = pipeline_cls.from_crawler( - get_crawler(None, {"IMAGES_STORE": self.tempdir}) + get_crawler(None, {"IMAGES_STORE": tmp_path}) ) for pipe_attr, settings_attr in self.img_cls_attribute_names: # Instance attribute (lowercase) must be equal to class attribute (uppercase). @@ -400,13 +394,13 @@ class TestImagesPipelineCustomSettings: assert attr_value != self.default_pipeline_settings[pipe_attr] assert attr_value == getattr(pipeline, pipe_attr) - def test_subclass_attrs_preserved_custom_settings(self): + def test_subclass_attrs_preserved_custom_settings(self, tmp_path): """ If image settings are defined but they are not defined for subclass default values taken from settings should be preserved. """ pipeline_cls = self._generate_fake_pipeline_subclass() - settings = self._generate_fake_settings() + settings = self._generate_fake_settings(tmp_path) pipeline = pipeline_cls.from_crawler(get_crawler(None, settings)) for pipe_attr, settings_attr in self.img_cls_attribute_names: # Instance attribute (lowercase) must be equal to @@ -416,7 +410,7 @@ class TestImagesPipelineCustomSettings: setings_value = settings.get(settings_attr) assert value == setings_value - def test_no_custom_settings_for_subclasses(self): + def test_no_custom_settings_for_subclasses(self, tmp_path): """ If there are no settings for subclass and no subclass attributes, pipeline should use attributes of base class. @@ -426,14 +420,14 @@ class TestImagesPipelineCustomSettings: pass user_pipeline = UserDefinedImagePipeline.from_crawler( - get_crawler(None, {"IMAGES_STORE": self.tempdir}) + get_crawler(None, {"IMAGES_STORE": tmp_path}) ) for pipe_attr, settings_attr in self.img_cls_attribute_names: # Values from settings for custom pipeline should be set on pipeline instance. custom_value = self.default_pipeline_settings.get(pipe_attr.upper()) assert getattr(user_pipeline, pipe_attr.lower()) == custom_value - def test_custom_settings_for_subclasses(self): + def test_custom_settings_for_subclasses(self, tmp_path): """ If there are custom settings for subclass and NO class attributes, pipeline should use custom settings. @@ -443,7 +437,7 @@ class TestImagesPipelineCustomSettings: pass prefix = UserDefinedImagePipeline.__name__.upper() - settings = self._generate_fake_settings(prefix=prefix) + settings = self._generate_fake_settings(tmp_path, prefix=prefix) user_pipeline = UserDefinedImagePipeline.from_crawler( get_crawler(None, settings) ) @@ -453,27 +447,27 @@ class TestImagesPipelineCustomSettings: assert custom_value != self.default_pipeline_settings[pipe_attr] assert getattr(user_pipeline, pipe_attr.lower()) == custom_value - def test_custom_settings_and_class_attrs_for_subclasses(self): + def test_custom_settings_and_class_attrs_for_subclasses(self, tmp_path): """ If there are custom settings for subclass AND class attributes setting keys are preferred and override attributes. """ pipeline_cls = self._generate_fake_pipeline_subclass() prefix = pipeline_cls.__name__.upper() - settings = self._generate_fake_settings(prefix=prefix) + settings = self._generate_fake_settings(tmp_path, prefix=prefix) user_pipeline = pipeline_cls.from_crawler(get_crawler(None, settings)) for pipe_attr, settings_attr in self.img_cls_attribute_names: custom_value = settings.get(prefix + "_" + settings_attr) assert custom_value != self.default_pipeline_settings[pipe_attr] assert getattr(user_pipeline, pipe_attr.lower()) == custom_value - def test_cls_attrs_with_DEFAULT_prefix(self): + def test_cls_attrs_with_DEFAULT_prefix(self, tmp_path): class UserDefinedImagePipeline(ImagesPipeline): DEFAULT_IMAGES_URLS_FIELD = "something" DEFAULT_IMAGES_RESULT_FIELD = "something_else" pipeline = UserDefinedImagePipeline.from_crawler( - get_crawler(None, {"IMAGES_STORE": self.tempdir}) + get_crawler(None, {"IMAGES_STORE": tmp_path}) ) assert ( pipeline.images_result_field @@ -484,12 +478,12 @@ class TestImagesPipelineCustomSettings: == UserDefinedImagePipeline.DEFAULT_IMAGES_URLS_FIELD ) - def test_user_defined_subclass_default_key_names(self): + def test_user_defined_subclass_default_key_names(self, tmp_path): """Test situation when user defines subclass of ImagePipeline, but uses attribute names for default pipeline (without prefixing them with pipeline class name). """ - settings = self._generate_fake_settings() + settings = self._generate_fake_settings(tmp_path) class UserPipe(ImagesPipeline): pass diff --git a/tests/test_utils_template.py b/tests/test_utils_template.py index 0b845fdb0..41d9b8933 100644 --- a/tests/test_utils_template.py +++ b/tests/test_utils_template.py @@ -1,24 +1,14 @@ -from pathlib import Path -from shutil import rmtree -from tempfile import mkdtemp - from scrapy.utils.template import render_templatefile class TestUtilsRenderTemplateFile: - def setup_method(self): - self.tmp_path = mkdtemp() - - def teardown_method(self): - rmtree(self.tmp_path) - - def test_simple_render(self): + def test_simple_render(self, tmp_path): context = {"project_name": "proj", "name": "spi", "classname": "TheSpider"} template = "from ${project_name}.spiders.${name} import ${classname}" rendered = "from proj.spiders.spi import TheSpider" - template_path = Path(self.tmp_path, "templ.py.tmpl") - render_path = Path(self.tmp_path, "templ.py") + template_path = tmp_path / "templ.py.tmpl" + render_path = tmp_path / "templ.py" template_path.write_text(template, encoding="utf8") assert template_path.is_file() # Failure of test itself From d0dabbc09706b082e2250790cd7a00c033ad8021 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 12 Mar 2025 00:18:30 +0400 Subject: [PATCH 429/786] Enable AsyncioSelectorReactor by default. (#6713) * Enable AsyncioSelectorReactor by default. * Improve get_crawler(), switch more tests to it. * Fix the remaining default-reactor test failures. * Address documentation feedback. * Make pinned envs more consistent. --- .github/workflows/tests-ubuntu.yml | 14 ++-- .github/workflows/tests-windows.yml | 16 ++++- conftest.py | 12 ++-- docs/topics/asyncio.rst | 23 +++++-- docs/topics/media-pipeline.rst | 2 +- docs/topics/settings.rst | 14 ++-- scrapy/pipelines/images.py | 2 +- scrapy/settings/default_settings.py | 2 +- .../templates/project/module/settings.py.tmpl | 1 - scrapy/utils/log.py | 4 +- scrapy/utils/test.py | 23 ++++++- .../CrawlerProcess/asyncio_enabled_reactor.py | 14 ++-- tests/CrawlerProcess/reactor_default.py | 4 +- tests/CrawlerProcess/reactor_select.py | 4 +- tests/CrawlerRunner/ip_address.py | 6 ++ tests/test_addons.py | 5 +- tests/test_crawl.py | 4 +- tests/test_crawler.py | 46 +++++++------ tests/test_dependencies.py | 2 +- tests/test_downloader_handlers.py | 6 +- tests/test_downloaderslotssettings.py | 2 +- tests/test_extension_periodic_log.py | 19 +++--- tests/test_pipeline_crawl.py | 31 +++++---- tests/test_spider.py | 8 ++- tests/test_utils_asyncio.py | 5 +- tox.ini | 68 ++++++++----------- 26 files changed, 197 insertions(+), 140 deletions(-) diff --git a/.github/workflows/tests-ubuntu.yml b/.github/workflows/tests-ubuntu.yml index f74575ee1..444aa3557 100644 --- a/.github/workflows/tests-ubuntu.yml +++ b/.github/workflows/tests-ubuntu.yml @@ -34,25 +34,25 @@ jobs: TOXENV: py - python-version: "3.13" env: - TOXENV: asyncio + TOXENV: default-reactor - python-version: pypy3.10 env: TOXENV: pypy3 # pinned deps - - python-version: 3.9.19 + - python-version: "3.9.21" env: TOXENV: pinned - - python-version: 3.9.19 + - python-version: "3.9.21" env: - TOXENV: asyncio-pinned + TOXENV: default-reactor-pinned - python-version: pypy3.10 env: TOXENV: pypy3-pinned - - python-version: 3.9.19 + - python-version: "3.9.21" env: TOXENV: extra-deps-pinned - - python-version: 3.9.19 + - python-version: "3.9.21" env: TOXENV: botocore-pinned @@ -78,7 +78,7 @@ jobs: if: contains(matrix.python-version, 'pypy') || contains(matrix.env.TOXENV, 'pinned') run: | sudo apt-get update - sudo apt-get install libxml2-dev libxslt-dev libjpeg-dev + sudo apt-get install libxml2-dev libxslt-dev - name: Run tests env: ${{ matrix.env }} diff --git a/.github/workflows/tests-windows.yml b/.github/workflows/tests-windows.yml index 21d621240..537a01e29 100644 --- a/.github/workflows/tests-windows.yml +++ b/.github/workflows/tests-windows.yml @@ -19,7 +19,7 @@ jobs: include: - python-version: "3.9" env: - TOXENV: windows-pinned + TOXENV: py - python-version: "3.10" env: TOXENV: py @@ -34,7 +34,19 @@ jobs: TOXENV: py - python-version: "3.13" env: - TOXENV: asyncio + TOXENV: default-reactor + + # pinned deps + - python-version: "3.9.13" + env: + TOXENV: pinned + - python-version: "3.9.13" + env: + TOXENV: extra-deps-pinned + + - python-version: "3.13" + env: + TOXENV: extra-deps steps: - uses: actions/checkout@v4 diff --git a/conftest.py b/conftest.py index f33ffb1a4..9999e41d2 100644 --- a/conftest.py +++ b/conftest.py @@ -51,7 +51,7 @@ def chdir(tmpdir): def pytest_addoption(parser): parser.addoption( "--reactor", - default="default", + default="asyncio", choices=["default", "asyncio"], ) @@ -67,17 +67,17 @@ def reactor_pytest(request): @pytest.fixture(autouse=True) def only_asyncio(request, reactor_pytest): - if request.node.get_closest_marker("only_asyncio") and reactor_pytest != "asyncio": - pytest.skip("This test is only run with --reactor=asyncio") + if request.node.get_closest_marker("only_asyncio") and reactor_pytest == "default": + pytest.skip("This test is only run without --reactor=default") @pytest.fixture(autouse=True) def only_not_asyncio(request, reactor_pytest): if ( request.node.get_closest_marker("only_not_asyncio") - and reactor_pytest == "asyncio" + and reactor_pytest != "default" ): - pytest.skip("This test is only run without --reactor=asyncio") + pytest.skip("This test is only run with --reactor=default") @pytest.fixture(autouse=True) @@ -117,7 +117,7 @@ def requires_boto3(request): def pytest_configure(config): - if config.getoption("--reactor") == "asyncio": + if config.getoption("--reactor") != "default": install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") diff --git a/docs/topics/asyncio.rst b/docs/topics/asyncio.rst index 07baea071..35afdc11b 100644 --- a/docs/topics/asyncio.rst +++ b/docs/topics/asyncio.rst @@ -16,15 +16,19 @@ asyncio reactor `, you may use :mod:`asyncio` and Installing the asyncio reactor ============================== -To enable :mod:`asyncio` support, set the :setting:`TWISTED_REACTOR` setting to -``'twisted.internet.asyncioreactor.AsyncioSelectorReactor'``. +To enable :mod:`asyncio` support, your :setting:`TWISTED_REACTOR` setting needs +to be set to ``'twisted.internet.asyncioreactor.AsyncioSelectorReactor'``, +which is the default value. If you are using :class:`~scrapy.crawler.CrawlerRunner`, you also need to install the :class:`~twisted.internet.asyncioreactor.AsyncioSelectorReactor` reactor manually. You can do that using -:func:`~scrapy.utils.reactor.install_reactor`:: +:func:`~scrapy.utils.reactor.install_reactor`: - install_reactor('twisted.internet.asyncioreactor.AsyncioSelectorReactor') +.. skip: next +.. code-block:: python + + install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") .. _asyncio-preinstalled-reactor: @@ -144,3 +148,14 @@ Using custom asyncio loops You can also use custom asyncio event loops with the asyncio reactor. Set the :setting:`ASYNCIO_EVENT_LOOP` setting to the import path of the desired event loop class to use it instead of the default asyncio event loop. + + +.. _disable-asyncio: + +Switching to a non-asyncio reactor +================================== + +If for some reason your code doesn't work with the asyncio reactor, you can use +a different reactor by setting the :setting:`TWISTED_REACTOR` setting to its +import path (e.g. ``'twisted.internet.epollreactor.EPollReactor'``) or to +``None``, which will use the default reactor for your platform. diff --git a/docs/topics/media-pipeline.rst b/docs/topics/media-pipeline.rst index cc1fe8703..01da53342 100644 --- a/docs/topics/media-pipeline.rst +++ b/docs/topics/media-pipeline.rst @@ -70,7 +70,7 @@ The advantage of using the :class:`ImagesPipeline` for image files is that you can configure some extra functions like generating thumbnails and filtering the images based on their size. -The Images Pipeline requires Pillow_ 7.1.0 or greater. It is used for +The Images Pipeline requires Pillow_ 8.0.0 or greater. It is used for thumbnailing and normalizing images to JPEG/RGB format. .. _Pillow: https://github.com/python-pillow/Pillow diff --git a/docs/topics/settings.rst b/docs/topics/settings.rst index b2bb7148f..ca0af569f 100644 --- a/docs/topics/settings.rst +++ b/docs/topics/settings.rst @@ -1911,7 +1911,7 @@ TWISTED_REACTOR .. versionadded:: 2.0 -Default: ``None`` +Default: ``"twisted.internet.asyncioreactor.AsyncioSelectorReactor"`` Import path of a given :mod:`~twisted.internet.reactor`. @@ -1996,17 +1996,19 @@ which raises :exc:`Exception`, becomes: self.crawler.engine.close_spider(self, "timeout") -The default value of the :setting:`TWISTED_REACTOR` setting is ``None``, which -means that Scrapy will use the existing reactor if one is already installed, or -install the default reactor defined by Twisted for the current platform. This -is to maintain backward compatibility and avoid possible problems caused by -using a non-default reactor. +If this setting is set ``None``, Scrapy will use the existing reactor if one is +already installed, or install the default reactor defined by Twisted for the +current platform. .. versionchanged:: 2.7 The :command:`startproject` command now sets this setting to ``twisted.internet.asyncioreactor.AsyncioSelectorReactor`` in the generated ``settings.py`` file. +.. versionchanged:: VERSION + The default value was changed from ``None`` to + ``"twisted.internet.asyncioreactor.AsyncioSelectorReactor"``. + For additional information, see :doc:`core/howto/choosing-reactor`. diff --git a/scrapy/pipelines/images.py b/scrapy/pipelines/images.py index 29dc13f0a..63c6908dc 100644 --- a/scrapy/pipelines/images.py +++ b/scrapy/pipelines/images.py @@ -68,7 +68,7 @@ class ImagesPipeline(FilesPipeline): self._Image = Image except ImportError: raise NotConfigured( - "ImagesPipeline requires installing Pillow 4.0.0 or later" + "ImagesPipeline requires installing Pillow 8.0.0 or later" ) super().__init__( diff --git a/scrapy/settings/default_settings.py b/scrapy/settings/default_settings.py index c473b369c..645e50301 100644 --- a/scrapy/settings/default_settings.py +++ b/scrapy/settings/default_settings.py @@ -341,7 +341,7 @@ TELNETCONSOLE_HOST = "127.0.0.1" TELNETCONSOLE_USERNAME = "scrapy" TELNETCONSOLE_PASSWORD = None -TWISTED_REACTOR = None +TWISTED_REACTOR = "twisted.internet.asyncioreactor.AsyncioSelectorReactor" SPIDER_CONTRACTS = {} SPIDER_CONTRACTS_BASE = { diff --git a/scrapy/templates/project/module/settings.py.tmpl b/scrapy/templates/project/module/settings.py.tmpl index 0bb31ffaa..db7400af8 100644 --- a/scrapy/templates/project/module/settings.py.tmpl +++ b/scrapy/templates/project/module/settings.py.tmpl @@ -90,5 +90,4 @@ ROBOTSTXT_OBEY = True #HTTPCACHE_STORAGE = "scrapy.extensions.httpcache.FilesystemCacheStorage" # Set settings whose default value is deprecated to a future-proof value -TWISTED_REACTOR = "twisted.internet.asyncioreactor.AsyncioSelectorReactor" FEED_EXPORT_ENCODING = "utf-8" diff --git a/scrapy/utils/log.py b/scrapy/utils/log.py index b865cf48d..24e17ecb6 100644 --- a/scrapy/utils/log.py +++ b/scrapy/utils/log.py @@ -182,11 +182,9 @@ def log_scrapy_info(settings: Settings) -> None: def log_reactor_info() -> None: - from twisted.internet import reactor + from twisted.internet import asyncioreactor, reactor logger.debug("Using reactor: %s.%s", reactor.__module__, reactor.__class__.__name__) - from twisted.internet import asyncioreactor - if isinstance(reactor, asyncioreactor.AsyncioSelectorReactor): logger.debug( "Using asyncio event loop: %s.%s", diff --git a/scrapy/utils/test.py b/scrapy/utils/test.py index b69f43438..2da526cd8 100644 --- a/scrapy/utils/test.py +++ b/scrapy/utils/test.py @@ -18,6 +18,7 @@ from twisted.trial.unittest import SkipTest from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.utils.boto import is_botocore_available from scrapy.utils.deprecate import create_deprecated_class +from scrapy.utils.reactor import is_asyncio_reactor_installed from scrapy.utils.spider import DefaultSpider if TYPE_CHECKING: @@ -109,6 +110,19 @@ def get_ftp_content_and_delete( TestSpider = create_deprecated_class("TestSpider", DefaultSpider) +def get_reactor_settings() -> dict[str, Any]: + """Return a settings dict that works with the installed reactor. + + ``Crawler._apply_settings()`` checks that the installed reactor matches the + settings, so tests that run the crawler in the current process may need to + pass a correct ``"TWISTED_REACTOR"`` setting value when creating it. + """ + settings: dict[str, Any] = {} + if not is_asyncio_reactor_installed(): + settings["TWISTED_REACTOR"] = None + return settings + + def get_crawler( spidercls: type[Spider] | None = None, settings_dict: dict[str, Any] | None = None, @@ -120,9 +134,12 @@ def get_crawler( """ from scrapy.crawler import CrawlerRunner - # Set by default settings that prevent deprecation warnings. - settings: dict[str, Any] = {} - settings.update(settings_dict or {}) + # When needed, useful settings can be added here, e.g. ones that prevent + # deprecation warnings. + settings: dict[str, Any] = { + **get_reactor_settings(), + **(settings_dict or {}), + } runner = CrawlerRunner(settings) crawler = runner.create_crawler(spidercls or DefaultSpider) crawler._apply_settings() diff --git a/tests/CrawlerProcess/asyncio_enabled_reactor.py b/tests/CrawlerProcess/asyncio_enabled_reactor.py index f013eed27..0c380610d 100644 --- a/tests/CrawlerProcess/asyncio_enabled_reactor.py +++ b/tests/CrawlerProcess/asyncio_enabled_reactor.py @@ -1,14 +1,8 @@ -import asyncio -import sys +import scrapy +from scrapy.crawler import CrawlerProcess +from scrapy.utils.reactor import install_reactor -from twisted.internet import asyncioreactor - -if sys.platform == "win32": - asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy()) -asyncioreactor.install(asyncio.get_event_loop()) - -import scrapy # noqa: E402 -from scrapy.crawler import CrawlerProcess # noqa: E402 +install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") class NoRequestsSpider(scrapy.Spider): diff --git a/tests/CrawlerProcess/reactor_default.py b/tests/CrawlerProcess/reactor_default.py index 078cb72cb..e2933338b 100644 --- a/tests/CrawlerProcess/reactor_default.py +++ b/tests/CrawlerProcess/reactor_default.py @@ -1,4 +1,5 @@ from twisted.internet import reactor # noqa: F401 +from twisted.python import log import scrapy from scrapy.crawler import CrawlerProcess @@ -13,5 +14,6 @@ class NoRequestsSpider(scrapy.Spider): process = CrawlerProcess(settings={}) -process.crawl(NoRequestsSpider) +d = process.crawl(NoRequestsSpider) +d.addErrback(log.err) process.start() diff --git a/tests/CrawlerProcess/reactor_select.py b/tests/CrawlerProcess/reactor_select.py index 814a2a46d..b61e52625 100644 --- a/tests/CrawlerProcess/reactor_select.py +++ b/tests/CrawlerProcess/reactor_select.py @@ -1,4 +1,5 @@ from twisted.internet import selectreactor +from twisted.python import log import scrapy from scrapy.crawler import CrawlerProcess @@ -15,5 +16,6 @@ class NoRequestsSpider(scrapy.Spider): process = CrawlerProcess(settings={}) -process.crawl(NoRequestsSpider) +d = process.crawl(NoRequestsSpider) +d.addErrback(log.err) process.start() diff --git a/tests/CrawlerRunner/ip_address.py b/tests/CrawlerRunner/ip_address.py index 2f1bb7713..b1b297777 100644 --- a/tests/CrawlerRunner/ip_address.py +++ b/tests/CrawlerRunner/ip_address.py @@ -1,3 +1,9 @@ +# ruff: noqa: E402 + +from scrapy.utils.reactor import install_reactor + +install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") + from urllib.parse import urlparse from twisted.internet import reactor diff --git a/tests/test_addons.py b/tests/test_addons.py index 686bf9952..b4294c815 100644 --- a/tests/test_addons.py +++ b/tests/test_addons.py @@ -9,7 +9,7 @@ from scrapy import Spider from scrapy.crawler import Crawler, CrawlerRunner from scrapy.exceptions import NotConfigured from scrapy.settings import BaseSettings, Settings -from scrapy.utils.test import get_crawler +from scrapy.utils.test import get_crawler, get_reactor_settings class SimpleAddon: @@ -105,6 +105,7 @@ class TestAddonManager(unittest.TestCase): } settings_dict = { "ADDONS": {get_addon_cls(config): 1}, + **get_reactor_settings(), } crawler = get_crawler(settings_dict=settings_dict) assert crawler.settings.getint("KEY") == 15 @@ -119,6 +120,7 @@ class TestAddonManager(unittest.TestCase): settings_dict = { "KEY": 20, # priority=project "ADDONS": {get_addon_cls(config): 1}, + **get_reactor_settings(), } settings = Settings(settings_dict) settings.set("KEY", 0, priority="default") @@ -196,6 +198,7 @@ class TestAddonManager(unittest.TestCase): return spider settings = Settings() + settings.setdict(get_reactor_settings()) settings.set("KEY", "default", priority="default") runner = CrawlerRunner(settings) crawler = runner.create_crawler(MySpider) diff --git a/tests/test_crawl.py b/tests/test_crawl.py index 6f4045fc8..f49deac1f 100644 --- a/tests/test_crawl.py +++ b/tests/test_crawl.py @@ -18,7 +18,7 @@ from scrapy.exceptions import StopDownload from scrapy.http import Request from scrapy.http.response import Response from scrapy.utils.python import to_unicode -from scrapy.utils.test import get_crawler +from scrapy.utils.test import get_crawler, get_reactor_settings from tests import NON_EXISTING_RESOLVABLE from tests.mockserver import MockServer from tests.spiders import ( @@ -412,7 +412,7 @@ with multiples lines @defer.inlineCallbacks def test_crawl_multiple(self): - runner = CrawlerRunner() + runner = CrawlerRunner(get_reactor_settings()) runner.crawl( SimpleSpider, self.mockserver.url("/status?n=200"), diff --git a/tests/test_crawler.py b/tests/test_crawler.py index 0bbcc0843..98352b66e 100644 --- a/tests/test_crawler.py +++ b/tests/test_crawler.py @@ -25,7 +25,7 @@ from scrapy.settings import Settings, default_settings from scrapy.spiderloader import SpiderLoader from scrapy.utils.log import configure_logging, get_scrapy_root_handler from scrapy.utils.spider import DefaultSpider -from scrapy.utils.test import get_crawler +from scrapy.utils.test import get_crawler, get_reactor_settings from tests.mockserver import MockServer, get_mockserver_env BASE_SETTINGS: dict[str, Any] = {} @@ -35,6 +35,7 @@ def get_raw_crawler(spidercls=None, settings_dict=None): """get_crawler alternative that only calls the __init__ method of the crawler.""" settings = Settings() + settings.setdict(get_reactor_settings()) settings.setdict(settings_dict or {}) return Crawler(spidercls or DefaultSpider, settings) @@ -48,7 +49,12 @@ class TestBaseCrawler(unittest.TestCase): class TestCrawler(TestBaseCrawler): def test_populate_spidercls_settings(self): spider_settings = {"TEST1": "spider", "TEST2": "spider"} - project_settings = {**BASE_SETTINGS, "TEST1": "project", "TEST3": "project"} + project_settings = { + **BASE_SETTINGS, + "TEST1": "project", + "TEST3": "project", + **get_reactor_settings(), + } class CustomSettingsSpider(DefaultSpider): custom_settings = spider_settings @@ -581,7 +587,7 @@ class NoRequestsSpider(scrapy.Spider): @pytest.mark.usefixtures("reactor_pytest") class TestCrawlerRunnerHasSpider(unittest.TestCase): def _runner(self): - return CrawlerRunner() + return CrawlerRunner(get_reactor_settings()) @inlineCallbacks def test_crawler_runner_bootstrap_successful(self): @@ -626,13 +632,7 @@ class TestCrawlerRunnerHasSpider(unittest.TestCase): @inlineCallbacks def test_crawler_runner_asyncio_enabled_true(self): - if self.reactor_pytest == "asyncio": - CrawlerRunner( - settings={ - "TWISTED_REACTOR": "twisted.internet.asyncioreactor.AsyncioSelectorReactor", - } - ) - else: + if self.reactor_pytest == "default": runner = CrawlerRunner( settings={ "TWISTED_REACTOR": "twisted.internet.asyncioreactor.AsyncioSelectorReactor", @@ -643,6 +643,12 @@ class TestCrawlerRunnerHasSpider(unittest.TestCase): match=r"The installed reactor \(.*?\) does not match the requested one \(.*?\)", ): yield runner.crawl(NoRequestsSpider) + else: + CrawlerRunner( + settings={ + "TWISTED_REACTOR": "twisted.internet.asyncioreactor.AsyncioSelectorReactor", + } + ) class ScriptRunnerMixin: @@ -672,7 +678,7 @@ class TestCrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): assert "Spider closed (finished)" in log assert ( "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" - not in log + in log ) def test_multi(self): @@ -680,18 +686,17 @@ class TestCrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): assert "Spider closed (finished)" in log assert ( "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" - not in log + in log ) assert "ReactorAlreadyInstalledError" not in log def test_reactor_default(self): log = self.run_script("reactor_default.py") - assert "Spider closed (finished)" in log + assert "Spider closed (finished)" not in log assert ( - "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" - not in log - ) - assert "ReactorAlreadyInstalledError" not in log + "does not match the requested one " + "(twisted.internet.asyncioreactor.AsyncioSelectorReactor)" + ) in log def test_reactor_default_twisted_reactor_select(self): log = self.run_script("reactor_default_twisted_reactor_select.py") @@ -716,8 +721,11 @@ class TestCrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): def test_reactor_select(self): log = self.run_script("reactor_select.py") - assert "Spider closed (finished)" in log - assert "ReactorAlreadyInstalledError" not in log + assert "Spider closed (finished)" not in log + assert ( + "does not match the requested one " + "(twisted.internet.asyncioreactor.AsyncioSelectorReactor)" + ) in log def test_reactor_select_twisted_reactor_select(self): log = self.run_script("reactor_select_twisted_reactor_select.py") diff --git a/tests/test_dependencies.py b/tests/test_dependencies.py index 162747581..c2df67c66 100644 --- a/tests/test_dependencies.py +++ b/tests/test_dependencies.py @@ -33,7 +33,7 @@ class TestScrapyUtils: tox_config_file_path = Path(__file__).parent / ".." / "tox.ini" config_parser = ConfigParser() config_parser.read(tox_config_file_path) - pattern = r"Twisted\[http2\]==([\d.]+)" + pattern = r"Twisted==([\d.]+)" match = re.search(pattern, config_parser["pinned"]["deps"]) pinned_twisted_version_string = match[1] diff --git a/tests/test_downloader_handlers.py b/tests/test_downloader_handlers.py index 19bd02498..bc18e76e1 100644 --- a/tests/test_downloader_handlers.py +++ b/tests/test_downloader_handlers.py @@ -307,7 +307,7 @@ class TestHttp(unittest.TestCase, ABC): @defer.inlineCallbacks def test_timeout_download_from_spider_nodata_rcvd(self): - if self.reactor_pytest == "asyncio" and sys.platform == "win32": + if self.reactor_pytest != "default" and sys.platform == "win32": # https://twistedmatrix.com/trac/ticket/10279 raise unittest.SkipTest( "This test produces DirtyReactorAggregateError on Windows with asyncio" @@ -322,7 +322,7 @@ class TestHttp(unittest.TestCase, ABC): @defer.inlineCallbacks def test_timeout_download_from_spider_server_hangs(self): - if self.reactor_pytest == "asyncio" and sys.platform == "win32": + if self.reactor_pytest != "default" and sys.platform == "win32": # https://twistedmatrix.com/trac/ticket/10279 raise unittest.SkipTest( "This test produces DirtyReactorAggregateError on Windows with asyncio" @@ -1136,7 +1136,7 @@ class TestFTPBase(unittest.TestCase): class TestFTP(TestFTPBase): def test_invalid_credentials(self): - if self.reactor_pytest == "asyncio" and sys.platform == "win32": + if self.reactor_pytest != "default" and sys.platform == "win32": raise unittest.SkipTest( "This test produces DirtyReactorAggregateError on Windows with asyncio" ) diff --git a/tests/test_downloaderslotssettings.py b/tests/test_downloaderslotssettings.py index 15b3ad5af..4fca9eefb 100644 --- a/tests/test_downloaderslotssettings.py +++ b/tests/test_downloaderslotssettings.py @@ -64,7 +64,7 @@ class CrawlTestCase(TestCase): @defer.inlineCallbacks def test_delay(self): - crawler = CrawlerRunner().create_crawler(DownloaderSlotsSettingsTestSpider) + crawler = get_crawler(DownloaderSlotsSettingsTestSpider) yield crawler.crawl(mockserver=self.mockserver) slots = crawler.engine.downloader.slots times = crawler.spider.times diff --git a/tests/test_extension_periodic_log.py b/tests/test_extension_periodic_log.py index ca5ffdc26..85bd42857 100644 --- a/tests/test_extension_periodic_log.py +++ b/tests/test_extension_periodic_log.py @@ -1,9 +1,11 @@ -import datetime -import typing -import unittest +from __future__ import annotations + +import datetime +import unittest +from typing import Any, Callable -from scrapy.crawler import Crawler from scrapy.extensions.periodic_log import PeriodicLog +from scrapy.utils.test import get_crawler from .spiders import MetaSpider @@ -59,9 +61,8 @@ class CustomPeriodicLog(PeriodicLog): self.stats._stats = stats_dump_2 -def extension(settings=None): - crawler = Crawler(MetaSpider, settings=settings) - crawler._apply_settings() +def extension(settings: dict[str, Any] | None = None) -> CustomPeriodicLog: + crawler = get_crawler(MetaSpider, settings) return CustomPeriodicLog.from_crawler(crawler) @@ -94,7 +95,7 @@ class TestPeriodicLog(unittest.TestCase): ext.spider_closed(spider, reason="finished") return ext, a, b - def check(settings: dict, condition: typing.Callable): + def check(settings: dict[str, Any], condition: Callable) -> None: ext, a, b = emulate(settings) assert list(a["delta"].keys()) == [ k for k, v in ext.stats._stats.items() if condition(k, v) @@ -151,7 +152,7 @@ class TestPeriodicLog(unittest.TestCase): ext.spider_closed(spider, reason="finished") return ext, a, b - def check(settings: dict, condition: typing.Callable): + def check(settings: dict[str, Any], condition: Callable) -> None: ext, a, b = emulate(settings) assert list(a["stats"].keys()) == [ k for k, v in ext.stats._stats.items() if condition(k, v) diff --git a/tests/test_pipeline_crawl.py b/tests/test_pipeline_crawl.py index 162dfdaf4..c5f1b6321 100644 --- a/tests/test_pipeline_crawl.py +++ b/tests/test_pipeline_crawl.py @@ -3,18 +3,22 @@ from __future__ import annotations import shutil from pathlib import Path from tempfile import mkdtemp +from typing import TYPE_CHECKING, Any from testfixtures import LogCapture from twisted.internet import defer from twisted.trial.unittest import TestCase from w3lib.url import add_or_replace_parameter -from scrapy import signals -from scrapy.crawler import CrawlerRunner +from scrapy import Spider, signals from scrapy.utils.misc import load_object +from scrapy.utils.test import get_crawler from tests.mockserver import MockServer from tests.spiders import SimpleSpider +if TYPE_CHECKING: + from scrapy.crawler import Crawler + class MediaDownloadSpider(SimpleSpider): name = "mediadownload" @@ -80,7 +84,6 @@ class TestFileDownloadCrawl(TestCase): "ITEM_PIPELINES": {self.pipeline_class: 1}, self.store_setting_key: str(self.tmpmediastore), } - self.runner = CrawlerRunner(self.settings) self.items = [] def tearDown(self): @@ -90,10 +93,12 @@ class TestFileDownloadCrawl(TestCase): def _on_item_scraped(self, item): self.items.append(item) - def _create_crawler(self, spider_class, runner=None, **kwargs): - if runner is None: - runner = self.runner - crawler = runner.create_crawler(spider_class, **kwargs) + def _create_crawler( + self, spider_class: type[Spider], settings: dict[str, Any] | None = None + ) -> Crawler: + if settings is None: + settings = self.settings + crawler = get_crawler(spider_class, settings) crawler.signals.connect(self._on_item_scraped, signals.item_scraped) return crawler @@ -175,10 +180,11 @@ class TestFileDownloadCrawl(TestCase): @defer.inlineCallbacks def test_download_media_redirected_allowed(self): - settings = dict(self.settings) - settings.update({"MEDIA_ALLOW_REDIRECTS": True}) - runner = CrawlerRunner(settings) - crawler = self._create_crawler(RedirectedMediaDownloadSpider, runner=runner) + settings = { + **self.settings, + "MEDIA_ALLOW_REDIRECTS": True, + } + crawler = self._create_crawler(RedirectedMediaDownloadSpider, settings) with LogCapture() as log: yield crawler.crawl( self.mockserver.url("/files/images/"), @@ -201,8 +207,7 @@ class TestFileDownloadCrawl(TestCase): **self.settings, "ITEM_PIPELINES": {ExceptionRaisingMediaPipeline: 1}, } - runner = CrawlerRunner(settings) - crawler = self._create_crawler(MediaDownloadSpider, runner=runner) + crawler = self._create_crawler(MediaDownloadSpider, settings) with LogCapture() as log: yield crawler.crawl( self.mockserver.url("/files/images/"), diff --git a/tests/test_spider.py b/tests/test_spider.py index 4e8330c06..aaf72390d 100644 --- a/tests/test_spider.py +++ b/tests/test_spider.py @@ -27,7 +27,7 @@ from scrapy.spiders import ( XMLFeedSpider, ) from scrapy.spiders.init import InitSpider -from scrapy.utils.test import get_crawler +from scrapy.utils.test import get_crawler, get_reactor_settings from tests import get_testdata, tests_datadir @@ -108,7 +108,11 @@ class TestSpider(unittest.TestCase): @inlineCallbacks def test_settings_in_from_crawler(self): spider_settings = {"TEST1": "spider", "TEST2": "spider"} - project_settings = {"TEST1": "project", "TEST3": "project"} + project_settings = { + "TEST1": "project", + "TEST3": "project", + **get_reactor_settings(), + } class TestSpider(self.spider_class): name = "test" diff --git a/tests/test_utils_asyncio.py b/tests/test_utils_asyncio.py index a65a36219..901e03d59 100644 --- a/tests/test_utils_asyncio.py +++ b/tests/test_utils_asyncio.py @@ -2,6 +2,7 @@ import asyncio import warnings import pytest +from twisted.trial.unittest import TestCase from scrapy.utils.defer import deferred_f_from_coro_f from scrapy.utils.reactor import ( @@ -12,10 +13,10 @@ from scrapy.utils.reactor import ( @pytest.mark.usefixtures("reactor_pytest") -class TestAsyncio: +class TestAsyncio(TestCase): def test_is_asyncio_reactor_installed(self): # the result should depend only on the pytest --reactor argument - assert is_asyncio_reactor_installed() == (self.reactor_pytest == "asyncio") + assert is_asyncio_reactor_installed() == (self.reactor_pytest != "default") def test_install_asyncio_reactor(self): from twisted.internet import reactor as original_reactor diff --git a/tox.ini b/tox.ini index 70c841603..eb084f0f5 100644 --- a/tox.ini +++ b/tox.ini @@ -26,7 +26,7 @@ deps = {[test-requirements]deps} # mitmproxy does not support PyPy - mitmproxy; implementation_name != 'pypy' + mitmproxy; implementation_name != "pypy" setenv = COVERAGE_CORE=sysmon passenv = @@ -96,19 +96,18 @@ commands = [pinned] basepython = python3.9 deps = + Protego==0.1.15 + Twisted==21.7.0 cryptography==37.0.0 cssselect==0.9.1 - h2==3.0 itemadapter==0.1.0 + lxml==4.6.0 parsel==1.5.0 - Protego==0.1.15 pyOpenSSL==22.0.0 queuelib==1.4.2 service_identity==18.1.0 - Twisted[http2]==21.7.0 w3lib==1.17.0 zope.interface==5.1.0 - lxml==4.6.0 {[test-requirements]deps} # mitmproxy 8.0.0 requires upgrading some of the pinned dependencies @@ -131,60 +130,50 @@ setenv = {[pinned]setenv} commands = {[pinned]commands} -[testenv:windows-pinned] -basepython = {[pinned]basepython} -deps = - {[pinned]deps} - PyDispatcher==2.0.5 -install_command = {[pinned]install_command} -setenv = - {[pinned]setenv} -commands = {[pinned]commands} - [testenv:extra-deps] basepython = python3 deps = {[testenv]deps} - boto3 - google-cloud-storage - robotexclusionrulesparser Pillow Twisted[http2] - uvloop; platform_system != "Windows" + boto3 bpython # optional for shell wrapper tests - brotli; implementation_name != 'pypy' # optional for HTTP compress downloader middleware tests - brotlicffi; implementation_name == 'pypy' # optional for HTTP compress downloader middleware tests - zstandard; implementation_name != 'pypy' # optional for HTTP compress downloader middleware tests + brotli; implementation_name != "pypy" # optional for HTTP compress downloader middleware tests + brotlicffi; implementation_name == "pypy" # optional for HTTP compress downloader middleware tests + google-cloud-storage ipython + robotexclusionrulesparser + uvloop; platform_system != "Windows" + zstandard; implementation_name != "pypy" # optional for HTTP compress downloader middleware tests [testenv:extra-deps-pinned] basepython = {[pinned]basepython} deps = {[pinned]deps} + Pillow==8.0.0 boto3==1.20.0 - google-cloud-storage==1.29.0 - Pillow==7.1.0 - robotexclusionrulesparser==1.6.2 - brotlipy - uvloop==0.14.0; platform_system != "Windows" bpython==0.7.1 - zstandard==0.1; implementation_name != 'pypy' + brotli==0.5.2; implementation_name != "pypy" + brotlicffi==0.8.0; implementation_name == "pypy" + brotlipy + google-cloud-storage==1.29.0 ipython==2.0.0 - brotli==0.5.2; implementation_name != 'pypy' - brotlicffi==0.8.0; implementation_name == 'pypy' + robotexclusionrulesparser==1.6.2 + uvloop==0.14.0; platform_system != "Windows" + zstandard==0.1; implementation_name != "pypy" install_command = {[pinned]install_command} setenv = {[pinned]setenv} commands = {[pinned]commands} -[testenv:asyncio] +[testenv:default-reactor] commands = - {[testenv]commands} --reactor=asyncio + {[testenv]commands} --reactor=default -[testenv:asyncio-pinned] +[testenv:default-reactor-pinned] basepython = {[pinned]basepython} deps = {[testenv:pinned]deps} -commands = {[pinned]commands} --reactor=asyncio +commands = {[pinned]commands} --reactor=default install_command = {[pinned]install_command} setenv = {[pinned]setenv} @@ -204,21 +193,20 @@ commands = {[testenv:pypy3]commands} [testenv:pypy3-pinned] basepython = pypy3.10 deps = + PyPyDispatcher==2.1.0 + {[test-requirements]deps} + Protego==0.1.15 + Twisted==21.7.0 cryptography==41.0.5 cssselect==0.9.1 - h2==3.1 itemadapter==0.1.0 + lxml==4.6.0 parsel==1.5.0 - Protego==0.1.15 pyOpenSSL==23.3.0 queuelib==1.4.2 service_identity==18.1.0 - Twisted[http2]==21.7.0 w3lib==1.17.0 zope.interface==5.1.0 - lxml==4.6.0 - {[test-requirements]deps} - PyPyDispatcher==2.1.0 commands = ; disabling both coverage and docs tests pytest {posargs:--durations=10 scrapy tests} From fc566a7ff9913be5fce2b961a6599f861e1ef59a Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Fri, 14 Mar 2025 23:46:17 +0400 Subject: [PATCH 430/786] Don't install the reactor in is_asyncio_reactor_installed(). (#6732) --- docs/topics/asyncio.rst | 2 ++ scrapy/utils/reactor.py | 13 ++++++++ .../asyncio_enabled_no_reactor.py | 8 +++++ .../CrawlerProcess/asyncio_enabled_reactor.py | 33 ++++++++++++++++++- tests/test_crawler.py | 2 ++ 5 files changed, 57 insertions(+), 1 deletion(-) diff --git a/docs/topics/asyncio.rst b/docs/topics/asyncio.rst index 35afdc11b..b61a6e4a8 100644 --- a/docs/topics/asyncio.rst +++ b/docs/topics/asyncio.rst @@ -116,6 +116,8 @@ example: f"of Scrapy for more information." ) +.. autofunction:: scrapy.utils.reactor.is_asyncio_reactor_installed + .. _asyncio-windows: diff --git a/scrapy/utils/reactor.py b/scrapy/utils/reactor.py index 679e38206..099c81f0e 100644 --- a/scrapy/utils/reactor.py +++ b/scrapy/utils/reactor.py @@ -175,7 +175,20 @@ def verify_installed_asyncio_event_loop(loop_path: str) -> None: ) +def is_reactor_installed() -> bool: + return "twisted.internet.reactor" in sys.modules + + def is_asyncio_reactor_installed() -> bool: + """Check whether the installed reactor is :class:`~twisted.internet.asyncioreactor.AsyncioSelectorReactor`. + + Raise a :exc:`RuntimeError` if no reactor is installed. + """ + if not is_reactor_installed(): + raise RuntimeError( + "is_asyncio_reactor_installed() called without an installed reactor." + ) + from twisted.internet import reactor return isinstance(reactor, asyncioreactor.AsyncioSelectorReactor) diff --git a/tests/CrawlerProcess/asyncio_enabled_no_reactor.py b/tests/CrawlerProcess/asyncio_enabled_no_reactor.py index 6df6d76fa..6f82cf589 100644 --- a/tests/CrawlerProcess/asyncio_enabled_no_reactor.py +++ b/tests/CrawlerProcess/asyncio_enabled_no_reactor.py @@ -1,5 +1,12 @@ import scrapy from scrapy.crawler import CrawlerProcess +from scrapy.utils.reactor import is_asyncio_reactor_installed + + +class ReactorCheckExtension: + def __init__(self): + if not is_asyncio_reactor_installed(): + raise RuntimeError("ReactorCheckExtension requires the asyncio reactor.") class NoRequestsSpider(scrapy.Spider): @@ -12,6 +19,7 @@ class NoRequestsSpider(scrapy.Spider): process = CrawlerProcess( settings={ "TWISTED_REACTOR": "twisted.internet.asyncioreactor.AsyncioSelectorReactor", + "EXTENSIONS": {ReactorCheckExtension: 0}, } ) process.crawl(NoRequestsSpider) diff --git a/tests/CrawlerProcess/asyncio_enabled_reactor.py b/tests/CrawlerProcess/asyncio_enabled_reactor.py index 0c380610d..a8bf1bc3c 100644 --- a/tests/CrawlerProcess/asyncio_enabled_reactor.py +++ b/tests/CrawlerProcess/asyncio_enabled_reactor.py @@ -1,9 +1,39 @@ import scrapy from scrapy.crawler import CrawlerProcess -from scrapy.utils.reactor import install_reactor +from scrapy.utils.reactor import ( + install_reactor, + is_asyncio_reactor_installed, + is_reactor_installed, +) + +if is_reactor_installed(): + raise RuntimeError( + "Reactor already installed before is_asyncio_reactor_installed()." + ) + +try: + is_asyncio_reactor_installed() +except RuntimeError: + pass +else: + raise RuntimeError("is_asyncio_reactor_installed() did not raise RuntimeError.") + +if is_reactor_installed(): + raise RuntimeError( + "Reactor already installed after is_asyncio_reactor_installed()." + ) install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") +if not is_asyncio_reactor_installed(): + raise RuntimeError("Wrong reactor installed after install_reactor().") + + +class ReactorCheckExtension: + def __init__(self): + if not is_asyncio_reactor_installed(): + raise RuntimeError("ReactorCheckExtension requires the asyncio reactor.") + class NoRequestsSpider(scrapy.Spider): name = "no_request" @@ -15,6 +45,7 @@ class NoRequestsSpider(scrapy.Spider): process = CrawlerProcess( settings={ "TWISTED_REACTOR": "twisted.internet.asyncioreactor.AsyncioSelectorReactor", + "EXTENSIONS": {ReactorCheckExtension: 0}, } ) process.crawl(NoRequestsSpider) diff --git a/tests/test_crawler.py b/tests/test_crawler.py index 98352b66e..6c465f000 100644 --- a/tests/test_crawler.py +++ b/tests/test_crawler.py @@ -747,6 +747,7 @@ class TestCrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" in log ) + assert "RuntimeError" not in log def test_asyncio_enabled_reactor(self): log = self.run_script("asyncio_enabled_reactor.py") @@ -755,6 +756,7 @@ class TestCrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" in log ) + assert "RuntimeError" not in log @pytest.mark.skipif( parse_version(w3lib_version) >= parse_version("2.0.0"), From 9057bf4e1e08dccac4fa6d9f0f191d1f4708a43a Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Sat, 15 Mar 2025 14:47:16 +0400 Subject: [PATCH 431/786] More docs about Deferred<->Future interoperability. (#6734) --- docs/topics/asyncio.rst | 24 ++++++++++++++++-------- docs/topics/coroutines.rst | 24 ++++++++++++++++++++++++ scrapy/utils/defer.py | 9 +++++---- 3 files changed, 45 insertions(+), 12 deletions(-) diff --git a/docs/topics/asyncio.rst b/docs/topics/asyncio.rst index b61a6e4a8..0490129b3 100644 --- a/docs/topics/asyncio.rst +++ b/docs/topics/asyncio.rst @@ -72,24 +72,32 @@ those imports happen. .. _asyncio-await-dfd: -Awaiting on Deferreds -===================== +Integrating Deferred code and asyncio code +========================================== -When the asyncio reactor isn't installed, you can await on Deferreds in the -coroutines directly. When it is installed, this is not possible anymore, due to -specifics of the Scrapy coroutine integration (the coroutines are wrapped into -:class:`asyncio.Future` objects, not into -:class:`~twisted.internet.defer.Deferred` directly), and you need to wrap them into -Futures. Scrapy provides two helpers for this: +Coroutine functions can await on Deferreds by wrapping them into +:class:`asyncio.Future` objects. Scrapy provides two helpers for this: .. autofunction:: scrapy.utils.defer.deferred_to_future .. autofunction:: scrapy.utils.defer.maybe_deferred_to_future + +.. tip:: If you don't need to support reactors other than the default + :class:`~twisted.internet.asyncioreactor.AsyncioSelectorReactor`, you + can use :func:`~scrapy.utils.defer.deferred_to_future`, otherwise you + should use :func:`~scrapy.utils.defer.maybe_deferred_to_future`. + .. tip:: If you need to use these functions in code that aims to be compatible with lower versions of Scrapy that do not provide these functions, down to Scrapy 2.0 (earlier versions do not support :mod:`asyncio`), you can copy the implementation of these functions into your own code. +Coroutines and futures can be wrapped into Deferreds (for example, when a +Scrapy API requires passing a Deferred to it) using the following helpers: + +.. autofunction:: scrapy.utils.defer.deferred_from_coro +.. autofunction:: scrapy.utils.defer.deferred_f_from_coro_f + .. _enforce-asyncio-requirement: diff --git a/docs/topics/coroutines.rst b/docs/topics/coroutines.rst index 57aa3a62d..1c80857f6 100644 --- a/docs/topics/coroutines.rst +++ b/docs/topics/coroutines.rst @@ -9,6 +9,7 @@ Coroutines Scrapy has :ref:`partial support ` for the :ref:`coroutine syntax `. + .. _coroutine-support: Supported callables @@ -51,6 +52,29 @@ hence use coroutine syntax (e.g. ``await``, ``async for``, ``async with``): .. versionadded:: 2.7 + +.. _coroutine-deferred-apis: + +Using Deferred-based APIs +========================= + +In addition to native coroutine APIs Scrapy has some APIs that return a +:class:`~twisted.internet.defer.Deferred` object or take a user-supplied +function that returns a :class:`~twisted.internet.defer.Deferred` object. These +APIs are also asynchronous but don't yet support native ``async def`` syntax. +For example: + +- The :meth:`ExecutionEngine.download` method returns a + :class:`~twisted.internet.defer.Deferred` object. +- A custom download handler needs to define a ``download_request()`` method that + returns a :class:`~twisted.internet.defer.Deferred` object. + +In most cases you can use these APIs in code that otherwise uses coroutines, by +wrapping a :class:`~twisted.internet.defer.Deferred` object into a +:class:`~asyncio.Future` object or vice versa. See :ref:`asyncio-await-dfd` for +more information about this. + + General usage ============= diff --git a/scrapy/utils/defer.py b/scrapy/utils/defer.py index 8f52836c4..42ad28d8d 100644 --- a/scrapy/utils/defer.py +++ b/scrapy/utils/defer.py @@ -362,7 +362,8 @@ def deferred_from_coro(o: _T) -> _T: ... def deferred_from_coro(o: _T) -> Deferred | _T: - """Converts a coroutine into a Deferred, or returns the object as is if it isn't a coroutine""" + """Converts a coroutine or other awaitable object into a Deferred, + or returns the object as is if it isn't a coroutine.""" if isinstance(o, Deferred): return o if asyncio.isfuture(o) or inspect.isawaitable(o): @@ -442,12 +443,12 @@ def maybe_deferred_to_future(d: Deferred[_T]) -> Deferred[_T] | Future[_T]: What you can await in Scrapy callables defined as coroutines depends on the value of :setting:`TWISTED_REACTOR`: - - When not using the asyncio reactor, you can only await on - :class:`~twisted.internet.defer.Deferred` objects. - - When :ref:`using the asyncio reactor `, you can only await on :class:`asyncio.Future` objects. + - When not using the asyncio reactor, you can only await on + :class:`~twisted.internet.defer.Deferred` objects. + If you want to write code that uses ``Deferred`` objects but works with any reactor, use this function on all ``Deferred`` objects:: From 872924721344502cca92a72ce68d5f78a9b9e5bc Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Sat, 15 Mar 2025 23:33:10 +0400 Subject: [PATCH 432/786] Fix running simple tests with --reactor=default. (#6735) --- conftest.py | 3 +++ 1 file changed, 3 insertions(+) diff --git a/conftest.py b/conftest.py index 9999e41d2..8e0c429a0 100644 --- a/conftest.py +++ b/conftest.py @@ -119,6 +119,9 @@ def requires_boto3(request): def pytest_configure(config): if config.getoption("--reactor") != "default": install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") + else: + # install the reactor explicitly + from twisted.internet import reactor # noqa: F401 # Generate localhost certificate files, needed by some tests From 2ee01efe496db9ff8506ca37fe2571f5f4ac2849 Mon Sep 17 00:00:00 2001 From: Laerte Pereira <5853172+Laerte@users.noreply.github.com> Date: Thu, 20 Mar 2025 07:49:44 -0300 Subject: [PATCH 433/786] feat: Add count to spider_exceptions stats (#6740) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * feat: Add overall exception_count to spider_exceptions stats * Remove variable * Update test_closespider.py * Update test_closespider.py * Rename exception_count → count --- scrapy/core/scraper.py | 1 + tests/test_closespider.py | 1 + 2 files changed, 2 insertions(+) diff --git a/scrapy/core/scraper.py b/scrapy/core/scraper.py index b664b61f6..496adb500 100644 --- a/scrapy/core/scraper.py +++ b/scrapy/core/scraper.py @@ -246,6 +246,7 @@ class Scraper: spider=spider, ) assert self.crawler.stats + self.crawler.stats.inc_value("spider_exceptions/count", spider=spider) self.crawler.stats.inc_value( f"spider_exceptions/{_failure.value.__class__.__name__}", spider=spider ) diff --git a/tests/test_closespider.py b/tests/test_closespider.py index 476662789..4a17b254b 100644 --- a/tests/test_closespider.py +++ b/tests/test_closespider.py @@ -88,6 +88,7 @@ class TestCloseSpider(TestCase): assert reason == "closespider_errorcount" key = f"spider_exceptions/{crawler.spider.exception_cls.__name__}" errorcount = crawler.stats.get_value(key) + assert crawler.stats.get_value("spider_exceptions/count") >= close_on assert errorcount >= close_on @defer.inlineCallbacks From 3ca882fba86750199c2f41ef24b5495a4afa7988 Mon Sep 17 00:00:00 2001 From: Mehraz Hossain Rumman <59512321+MehrazRumman@users.noreply.github.com> Date: Thu, 20 Mar 2025 18:02:10 +0600 Subject: [PATCH 434/786] Syntax Error Fixed (#6738) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * Syntax error fix issue #6731 * test case added * extra logic removed * mock spider fixture * Update scrapy/utils/misc.py Co-authored-by: Adrián Chaves * settings.rst updated * settings.rst updated * settings.rst updated --------- Co-authored-by: Adrián Chaves --- docs/topics/settings.rst | 15 +++ scrapy/settings/default_settings.py | 2 + scrapy/utils/misc.py | 2 + ...t_return_with_argument_inside_generator.py | 110 +++++++++++++----- 4 files changed, 98 insertions(+), 31 deletions(-) diff --git a/docs/topics/settings.rst b/docs/topics/settings.rst index ca0af569f..a59a61050 100644 --- a/docs/topics/settings.rst +++ b/docs/topics/settings.rst @@ -2047,6 +2047,21 @@ also used by :class:`~scrapy.downloadermiddlewares.robotstxt.RobotsTxtMiddleware if :setting:`ROBOTSTXT_USER_AGENT` setting is ``None`` and there is no overriding User-Agent header specified for the request. +.. setting:: WARN_ON_GENERATOR_RETURN_VALUE + +WARN_ON_GENERATOR_RETURN_VALUE +------------------------------ + +Default: ``True`` + +When enabled, Scrapy will warn if generator-based callback methods (like +``parse``) contain return statements with non-``None`` values. This helps detect +potential mistakes in spider development. + +Disable this setting to prevent syntax errors that may occur when dynamically +modifying generator function source code during runtime, skip AST parsing of +callback functions, or improve performance in auto-reloading development +environments. Settings documented elsewhere: ------------------------------ diff --git a/scrapy/settings/default_settings.py b/scrapy/settings/default_settings.py index 645e50301..680fded7a 100644 --- a/scrapy/settings/default_settings.py +++ b/scrapy/settings/default_settings.py @@ -351,3 +351,5 @@ SPIDER_CONTRACTS_BASE = { "scrapy.contracts.default.ReturnsContract": 2, "scrapy.contracts.default.ScrapesContract": 3, } + +WARN_ON_GENERATOR_RETURN_VALUE = True diff --git a/scrapy/utils/misc.py b/scrapy/utils/misc.py index d319e7950..b7b436260 100644 --- a/scrapy/utils/misc.py +++ b/scrapy/utils/misc.py @@ -286,6 +286,8 @@ def warn_on_generator_with_return_value( Logs a warning if a callable is a generator function and includes a 'return' statement with a value different than None """ + if not spider.settings.getbool("WARN_ON_GENERATOR_RETURN_VALUE"): + return try: if is_generator_with_return_value(callable): warnings.warn( diff --git a/tests/test_utils_misc/test_return_with_argument_inside_generator.py b/tests/test_utils_misc/test_return_with_argument_inside_generator.py index 81a83c3d7..ad31e5185 100644 --- a/tests/test_utils_misc/test_return_with_argument_inside_generator.py +++ b/tests/test_utils_misc/test_return_with_argument_inside_generator.py @@ -2,6 +2,8 @@ import warnings from functools import partial from unittest import mock +import pytest + from scrapy.utils.misc import ( is_generator_with_return_value, warn_on_generator_with_return_value, @@ -40,7 +42,24 @@ def generator_that_returns_stuff(): class TestUtilsMisc: - def test_generators_return_something(self): + @pytest.fixture + def mock_spider(self): + class MockSettings: + def __init__(self, settings_dict=None): + self.settings_dict = settings_dict or { + "WARN_ON_GENERATOR_RETURN_VALUE": True + } + + def getbool(self, name, default=False): + return self.settings_dict.get(name, default) + + class MockSpider: + def __init__(self): + self.settings = MockSettings() + + return MockSpider() + + def test_generators_return_something(self, mock_spider): def f1(): yield 1 return 2 @@ -75,30 +94,30 @@ https://example.org assert is_generator_with_return_value(i1) with warnings.catch_warnings(record=True) as w: - warn_on_generator_with_return_value(None, top_level_return_something) + warn_on_generator_with_return_value(mock_spider, top_level_return_something) assert len(w) == 1 assert ( - 'The "NoneType.top_level_return_something" method is a generator' + 'The "MockSpider.top_level_return_something" method is a generator' in str(w[0].message) ) with warnings.catch_warnings(record=True) as w: - warn_on_generator_with_return_value(None, f1) + warn_on_generator_with_return_value(mock_spider, f1) assert len(w) == 1 - assert 'The "NoneType.f1" method is a generator' in str(w[0].message) + assert 'The "MockSpider.f1" method is a generator' in str(w[0].message) with warnings.catch_warnings(record=True) as w: - warn_on_generator_with_return_value(None, g1) + warn_on_generator_with_return_value(mock_spider, g1) assert len(w) == 1 - assert 'The "NoneType.g1" method is a generator' in str(w[0].message) + assert 'The "MockSpider.g1" method is a generator' in str(w[0].message) with warnings.catch_warnings(record=True) as w: - warn_on_generator_with_return_value(None, h1) + warn_on_generator_with_return_value(mock_spider, h1) assert len(w) == 1 - assert 'The "NoneType.h1" method is a generator' in str(w[0].message) + assert 'The "MockSpider.h1" method is a generator' in str(w[0].message) with warnings.catch_warnings(record=True) as w: - warn_on_generator_with_return_value(None, i1) + warn_on_generator_with_return_value(mock_spider, i1) assert len(w) == 1 - assert 'The "NoneType.i1" method is a generator' in str(w[0].message) + assert 'The "MockSpider.i1" method is a generator' in str(w[0].message) - def test_generators_return_none(self): + def test_generators_return_none(self, mock_spider): def f2(): yield 1 @@ -142,31 +161,31 @@ https://example.org assert not is_generator_with_return_value(l2) with warnings.catch_warnings(record=True) as w: - warn_on_generator_with_return_value(None, top_level_return_none) + warn_on_generator_with_return_value(mock_spider, top_level_return_none) assert len(w) == 0 with warnings.catch_warnings(record=True) as w: - warn_on_generator_with_return_value(None, f2) + warn_on_generator_with_return_value(mock_spider, f2) assert len(w) == 0 with warnings.catch_warnings(record=True) as w: - warn_on_generator_with_return_value(None, g2) + warn_on_generator_with_return_value(mock_spider, g2) assert len(w) == 0 with warnings.catch_warnings(record=True) as w: - warn_on_generator_with_return_value(None, h2) + warn_on_generator_with_return_value(mock_spider, h2) assert len(w) == 0 with warnings.catch_warnings(record=True) as w: - warn_on_generator_with_return_value(None, i2) + warn_on_generator_with_return_value(mock_spider, i2) assert len(w) == 0 with warnings.catch_warnings(record=True) as w: - warn_on_generator_with_return_value(None, j2) + warn_on_generator_with_return_value(mock_spider, j2) assert len(w) == 0 with warnings.catch_warnings(record=True) as w: - warn_on_generator_with_return_value(None, k2) + warn_on_generator_with_return_value(mock_spider, k2) assert len(w) == 0 with warnings.catch_warnings(record=True) as w: - warn_on_generator_with_return_value(None, l2) + warn_on_generator_with_return_value(mock_spider, l2) assert len(w) == 0 - def test_generators_return_none_with_decorator(self): + def test_generators_return_none_with_decorator(self, mock_spider): def decorator(func): def inner_func(): func() @@ -223,36 +242,36 @@ https://example.org assert not is_generator_with_return_value(l3) with warnings.catch_warnings(record=True) as w: - warn_on_generator_with_return_value(None, top_level_return_none) + warn_on_generator_with_return_value(mock_spider, top_level_return_none) assert len(w) == 0 with warnings.catch_warnings(record=True) as w: - warn_on_generator_with_return_value(None, f3) + warn_on_generator_with_return_value(mock_spider, f3) assert len(w) == 0 with warnings.catch_warnings(record=True) as w: - warn_on_generator_with_return_value(None, g3) + warn_on_generator_with_return_value(mock_spider, g3) assert len(w) == 0 with warnings.catch_warnings(record=True) as w: - warn_on_generator_with_return_value(None, h3) + warn_on_generator_with_return_value(mock_spider, h3) assert len(w) == 0 with warnings.catch_warnings(record=True) as w: - warn_on_generator_with_return_value(None, i3) + warn_on_generator_with_return_value(mock_spider, i3) assert len(w) == 0 with warnings.catch_warnings(record=True) as w: - warn_on_generator_with_return_value(None, j3) + warn_on_generator_with_return_value(mock_spider, j3) assert len(w) == 0 with warnings.catch_warnings(record=True) as w: - warn_on_generator_with_return_value(None, k3) + warn_on_generator_with_return_value(mock_spider, k3) assert len(w) == 0 with warnings.catch_warnings(record=True) as w: - warn_on_generator_with_return_value(None, l3) + warn_on_generator_with_return_value(mock_spider, l3) assert len(w) == 0 @mock.patch( "scrapy.utils.misc.is_generator_with_return_value", new=_indentation_error ) - def test_indentation_error(self): + def test_indentation_error(self, mock_spider): with warnings.catch_warnings(record=True) as w: - warn_on_generator_with_return_value(None, top_level_return_none) + warn_on_generator_with_return_value(mock_spider, top_level_return_none) assert len(w) == 1 assert "Unable to determine" in str(w[0].message) @@ -262,3 +281,32 @@ https://example.org partial_cb = partial(cb, arg1=42) assert not is_generator_with_return_value(partial_cb) + + def test_warn_on_generator_with_return_value_settings_disabled(self): + class MockSettings: + def __init__(self, settings_dict=None): + self.settings_dict = settings_dict or {} + + def getbool(self, name, default=False): + return self.settings_dict.get(name, default) + + class MockSpider: + def __init__(self): + self.settings = MockSettings({"WARN_ON_GENERATOR_RETURN_VALUE": False}) + + spider = MockSpider() + + def gen_with_return(): + yield 1 + return "value" + + with warnings.catch_warnings(record=True) as w: + warn_on_generator_with_return_value(spider, gen_with_return) + assert len(w) == 0 + + spider.settings.settings_dict["WARN_ON_GENERATOR_RETURN_VALUE"] = True + + with warnings.catch_warnings(record=True) as w: + warn_on_generator_with_return_value(spider, gen_with_return) + assert len(w) == 1 + assert "is a generator" in str(w[0].message) From e50914e0f5b98ee4c9cb1f182ec2cd684fdf9900 Mon Sep 17 00:00:00 2001 From: Suejung Shin Date: Fri, 21 Mar 2025 04:28:47 -0700 Subject: [PATCH 435/786] Codecov: Add test analytics (#6741) --- .github/workflows/tests-macos.yml | 4 ++++ .github/workflows/tests-ubuntu.yml | 4 ++++ .github/workflows/tests-windows.yml | 4 ++++ .gitignore | 1 + tox.ini | 8 ++++---- 5 files changed, 17 insertions(+), 4 deletions(-) diff --git a/.github/workflows/tests-macos.yml b/.github/workflows/tests-macos.yml index ce0e1a6c2..d740808cc 100644 --- a/.github/workflows/tests-macos.yml +++ b/.github/workflows/tests-macos.yml @@ -33,3 +33,7 @@ jobs: - name: Upload coverage report uses: codecov/codecov-action@v5 + + - name: Upload test results + if: ${{ !cancelled() }} + uses: codecov/test-results-action@v1 diff --git a/.github/workflows/tests-ubuntu.yml b/.github/workflows/tests-ubuntu.yml index 444aa3557..34819f227 100644 --- a/.github/workflows/tests-ubuntu.yml +++ b/.github/workflows/tests-ubuntu.yml @@ -88,3 +88,7 @@ jobs: - name: Upload coverage report uses: codecov/codecov-action@v5 + + - name: Upload test results + if: ${{ !cancelled() }} + uses: codecov/test-results-action@v1 diff --git a/.github/workflows/tests-windows.yml b/.github/workflows/tests-windows.yml index 537a01e29..bbbb704e5 100644 --- a/.github/workflows/tests-windows.yml +++ b/.github/workflows/tests-windows.yml @@ -64,3 +64,7 @@ jobs: - name: Upload coverage report uses: codecov/codecov-action@v5 + + - name: Upload test results + if: ${{ !cancelled() }} + uses: codecov/test-results-action@v1 diff --git a/.gitignore b/.gitignore index 6c5c50e08..0a3f0ac1c 100644 --- a/.gitignore +++ b/.gitignore @@ -15,6 +15,7 @@ htmlcov/ .pytest_cache/ .coverage.* coverage.* +*.junit.xml test-output.* .cache/ .mypy_cache/ diff --git a/tox.ini b/tox.ini index eb084f0f5..59572442d 100644 --- a/tox.ini +++ b/tox.ini @@ -39,7 +39,7 @@ passenv = #allow tox virtualenv to upgrade pip/wheel/setuptools download = true commands = - pytest {posargs:--cov-config=pyproject.toml --cov=scrapy --cov-report= --cov-report=term-missing --cov-report=xml --durations=10 docs scrapy tests --doctest-modules} + pytest {posargs:--cov-config=pyproject.toml --cov=scrapy --cov-report= --cov-report=term-missing --cov-report=xml --junitxml=testenv.junit.xml -o junit_family=legacy --durations=10 docs scrapy tests --doctest-modules} install_command = python -I -m pip install -ctests/upper-constraints.txt {opts} {packages} @@ -118,7 +118,7 @@ install_command = python -I -m pip install {opts} {packages} commands = ; tests for docs fail with parsel < 1.8.0 - pytest {posargs:--cov-config=pyproject.toml --cov=scrapy --cov-report=xml --cov-report= --durations=10 scrapy tests} + pytest {posargs:--cov-config=pyproject.toml --cov=scrapy --cov-report=xml --cov-report= --junitxml=pinned.junit.xml -o junit_family=legacy --durations=10 scrapy tests} [testenv:pinned] basepython = {[pinned]basepython} @@ -254,7 +254,7 @@ deps = {[testenv]deps} botocore>=1.4.87 commands = - pytest {posargs:--cov-config=pyproject.toml --cov=scrapy --cov-report=xml --cov-report= tests -m requires_botocore} + pytest {posargs:--cov-config=pyproject.toml --cov=scrapy --cov-report=xml --cov-report= tests --junitxml=botocore.junit.xml -o junit_family=legacy -m requires_botocore} [testenv:botocore-pinned] basepython = {[pinned]basepython} @@ -265,4 +265,4 @@ install_command = {[pinned]install_command} setenv = {[pinned]setenv} commands = - pytest {posargs:--cov-config=pyproject.toml --cov=scrapy --cov-report=xml --cov-report= tests -m requires_botocore} + pytest {posargs:--cov-config=pyproject.toml --cov=scrapy --cov-report=xml --cov-report= tests --junitxml=botocore-pinned.junit.xml -o junit_family=legacy -m requires_botocore} From 9f99da8f865efff11f6c8736567b8fbd4413091c Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 24 Mar 2025 13:26:25 +0500 Subject: [PATCH 436/786] Convert test_downloadermiddleware_robotstxt.py from callbacks to awaits. (#6743) --- tests/test_downloadermiddleware_robotstxt.py | 168 +++++++++---------- 1 file changed, 76 insertions(+), 92 deletions(-) diff --git a/tests/test_downloadermiddleware_robotstxt.py b/tests/test_downloadermiddleware_robotstxt.py index ad335f852..9518f1835 100644 --- a/tests/test_downloadermiddleware_robotstxt.py +++ b/tests/test_downloadermiddleware_robotstxt.py @@ -1,9 +1,11 @@ -from typing import Any +from __future__ import annotations + +from typing import TYPE_CHECKING from unittest import mock import pytest from twisted.internet import error, reactor -from twisted.internet.defer import Deferred, DeferredList, maybeDeferred +from twisted.internet.defer import Deferred, maybeDeferred from twisted.python import failure from twisted.trial import unittest @@ -13,8 +15,12 @@ from scrapy.exceptions import IgnoreRequest, NotConfigured from scrapy.http import Request, Response, TextResponse from scrapy.http.request import NO_CALLBACK from scrapy.settings import Settings +from scrapy.utils.defer import deferred_f_from_coro_f, maybe_deferred_to_future from tests.test_robotstxt_interface import rerp_available +if TYPE_CHECKING: + from scrapy.crawler import Crawler + class TestRobotsTxtMiddleware(unittest.TestCase): def setUp(self): @@ -31,7 +37,7 @@ class TestRobotsTxtMiddleware(unittest.TestCase): with pytest.raises(NotConfigured): RobotsTxtMiddleware(self.crawler) - def _get_successful_crawler(self): + def _get_successful_crawler(self) -> Crawler: crawler = self.crawler crawler.settings.set("ROBOTSTXT_OBEY", True) ROBOTS = """ @@ -54,54 +60,41 @@ Disallow: /some/randome/page.html crawler.engine.download.side_effect = return_response return crawler - def test_robotstxt(self): + @deferred_f_from_coro_f + async def test_robotstxt(self): middleware = RobotsTxtMiddleware(self._get_successful_crawler()) - return DeferredList( - [ - self.assertNotIgnored(Request("http://site.local/allowed"), middleware), - maybeDeferred(self.assertRobotsTxtRequested, "http://site.local"), - self.assertIgnored(Request("http://site.local/admin/main"), middleware), - self.assertIgnored(Request("http://site.local/static/"), middleware), - self.assertIgnored( - Request("http://site.local/wiki/K%C3%A4ytt%C3%A4j%C3%A4:"), - middleware, - ), - self.assertIgnored( - Request("http://site.local/wiki/Käyttäjä:"), middleware - ), - ], - fireOnOneErrback=True, + await self.assertNotIgnored(Request("http://site.local/allowed"), middleware) + self.assertRobotsTxtRequested("http://site.local") + await self.assertIgnored(Request("http://site.local/admin/main"), middleware) + await self.assertIgnored(Request("http://site.local/static/"), middleware) + await self.assertIgnored( + Request("http://site.local/wiki/K%C3%A4ytt%C3%A4j%C3%A4:"), middleware + ) + await self.assertIgnored( + Request("http://site.local/wiki/Käyttäjä:"), middleware ) - def test_robotstxt_ready_parser(self): + @deferred_f_from_coro_f + async def test_robotstxt_ready_parser(self): middleware = RobotsTxtMiddleware(self._get_successful_crawler()) - d = self.assertNotIgnored(Request("http://site.local/allowed"), middleware) - d.addCallback( - lambda _: self.assertNotIgnored( - Request("http://site.local/allowed"), middleware - ) - ) - return d + await self.assertNotIgnored(Request("http://site.local/allowed"), middleware) + await self.assertNotIgnored(Request("http://site.local/allowed"), middleware) - def test_robotstxt_meta(self): + @deferred_f_from_coro_f + async def test_robotstxt_meta(self): middleware = RobotsTxtMiddleware(self._get_successful_crawler()) meta = {"dont_obey_robotstxt": True} - return DeferredList( - [ - self.assertNotIgnored( - Request("http://site.local/allowed", meta=meta), middleware - ), - self.assertNotIgnored( - Request("http://site.local/admin/main", meta=meta), middleware - ), - self.assertNotIgnored( - Request("http://site.local/static/", meta=meta), middleware - ), - ], - fireOnOneErrback=True, + await self.assertNotIgnored( + Request("http://site.local/allowed", meta=meta), middleware + ) + await self.assertNotIgnored( + Request("http://site.local/admin/main", meta=meta), middleware + ) + await self.assertNotIgnored( + Request("http://site.local/static/", meta=meta), middleware ) - def _get_garbage_crawler(self): + def _get_garbage_crawler(self) -> Crawler: crawler = self.crawler crawler.settings.set("ROBOTSTXT_OBEY", True) response = Response( @@ -116,22 +109,16 @@ Disallow: /some/randome/page.html crawler.engine.download.side_effect = return_response return crawler - def test_robotstxt_garbage(self): + @deferred_f_from_coro_f + async def test_robotstxt_garbage(self): # garbage response should be discarded, equal 'allow all' middleware = RobotsTxtMiddleware(self._get_garbage_crawler()) - return DeferredList( - [ - self.assertNotIgnored(Request("http://site.local"), middleware), - self.assertNotIgnored(Request("http://site.local/allowed"), middleware), - self.assertNotIgnored( - Request("http://site.local/admin/main"), middleware - ), - self.assertNotIgnored(Request("http://site.local/static/"), middleware), - ], - fireOnOneErrback=True, - ) + await self.assertNotIgnored(Request("http://site.local"), middleware) + await self.assertNotIgnored(Request("http://site.local/allowed"), middleware) + await self.assertNotIgnored(Request("http://site.local/admin/main"), middleware) + await self.assertNotIgnored(Request("http://site.local/static/"), middleware) - def _get_emptybody_crawler(self): + def _get_emptybody_crawler(self) -> Crawler: crawler = self.crawler crawler.settings.set("ROBOTSTXT_OBEY", True) response = Response("http://site.local/robots.txt") @@ -144,21 +131,16 @@ Disallow: /some/randome/page.html crawler.engine.download.side_effect = return_response return crawler - def test_robotstxt_empty_response(self): + @deferred_f_from_coro_f + async def test_robotstxt_empty_response(self): # empty response should equal 'allow all' middleware = RobotsTxtMiddleware(self._get_emptybody_crawler()) - return DeferredList( - [ - self.assertNotIgnored(Request("http://site.local/allowed"), middleware), - self.assertNotIgnored( - Request("http://site.local/admin/main"), middleware - ), - self.assertNotIgnored(Request("http://site.local/static/"), middleware), - ], - fireOnOneErrback=True, - ) + await self.assertNotIgnored(Request("http://site.local/allowed"), middleware) + await self.assertNotIgnored(Request("http://site.local/admin/main"), middleware) + await self.assertNotIgnored(Request("http://site.local/static/"), middleware) - def test_robotstxt_error(self): + @deferred_f_from_coro_f + async def test_robotstxt_error(self): self.crawler.settings.set("ROBOTSTXT_OBEY", True) err = error.DNSLookupError("Robotstxt address not found") @@ -171,15 +153,13 @@ Disallow: /some/randome/page.html middleware = RobotsTxtMiddleware(self.crawler) middleware._logerror = mock.MagicMock(side_effect=middleware._logerror) - deferred = middleware.process_request(Request("http://site.local"), None) + await maybe_deferred_to_future( + middleware.process_request(Request("http://site.local"), None) + ) + assert middleware._logerror.called - def check_called(_: Any) -> None: - assert middleware._logerror.called - - deferred.addCallback(check_called) - return deferred - - def test_robotstxt_immediate_error(self): + @deferred_f_from_coro_f + async def test_robotstxt_immediate_error(self): self.crawler.settings.set("ROBOTSTXT_OBEY", True) err = error.DNSLookupError("Robotstxt address not found") @@ -191,9 +171,10 @@ Disallow: /some/randome/page.html self.crawler.engine.download.side_effect = immediate_failure middleware = RobotsTxtMiddleware(self.crawler) - return self.assertNotIgnored(Request("http://site.local"), middleware) + await self.assertNotIgnored(Request("http://site.local"), middleware) - def test_ignore_robotstxt_request(self): + @deferred_f_from_coro_f + async def test_ignore_robotstxt_request(self): self.crawler.settings.set("ROBOTSTXT_OBEY", True) def ignore_request(request): @@ -206,13 +187,8 @@ Disallow: /some/randome/page.html middleware = RobotsTxtMiddleware(self.crawler) mw_module_logger.error = mock.MagicMock() - d = self.assertNotIgnored(Request("http://site.local/allowed"), middleware) - - def check_not_called(_: Any) -> None: - assert not mw_module_logger.error.called # type: ignore[attr-defined] - - d.addCallback(check_not_called) - return d + await self.assertNotIgnored(Request("http://site.local/allowed"), middleware) + assert not mw_module_logger.error.called # type: ignore[attr-defined] def test_robotstxt_user_agent_setting(self): crawler = self._get_successful_crawler() @@ -236,19 +212,27 @@ Disallow: /some/randome/page.html Deferred, ) - def assertNotIgnored(self, request, middleware): + async def assertNotIgnored( + self, request: Request, middleware: RobotsTxtMiddleware + ) -> None: spider = None # not actually used - dfd = maybeDeferred(middleware.process_request, request, spider) - dfd.addCallback(self.assertIsNone) - return dfd + result = await maybe_deferred_to_future( + maybeDeferred(middleware.process_request, request, spider) # type: ignore[call-overload] + ) + assert result is None - def assertIgnored(self, request, middleware): + async def assertIgnored( + self, request: Request, middleware: RobotsTxtMiddleware + ) -> None: spider = None # not actually used - return self.assertFailure( - maybeDeferred(middleware.process_request, request, spider), IgnoreRequest + await maybe_deferred_to_future( + self.assertFailure( + middleware.process_request(request, spider), # type: ignore[arg-type] + IgnoreRequest, + ) ) - def assertRobotsTxtRequested(self, base_url): + def assertRobotsTxtRequested(self, base_url: str) -> None: calls = self.crawler.engine.download.call_args_list request = calls[0][0][0] assert request.url == f"{base_url}/robots.txt" From daf9db72b2dc4ff8a6344fb9a0a4817fb953fdd4 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 23 Apr 2025 18:29:04 +0400 Subject: [PATCH 437/786] Base class for universal spider middlewares (#6693) * Initial BaseSpiderMiddleware. * Rename the new methods. * Remove the spider argument from new BaseSpiderMiddleware methods. * Add docs for BaseSpiderMiddleware. * Silence pylint. * Add BaseSpiderMiddleware tests. * Add a release note. --- docs/news.rst | 17 ++++ docs/topics/spider-middleware.rst | 13 +++ scrapy/spidermiddlewares/base.py | 97 ++++++++++++++++++++ scrapy/spidermiddlewares/depth.py | 38 ++++---- scrapy/spidermiddlewares/offsite.py | 45 ++++------ scrapy/spidermiddlewares/referer.py | 33 +++---- scrapy/spidermiddlewares/urllength.py | 77 ++++++---------- tests/test_spidermiddleware_base.py | 120 +++++++++++++++++++++++++ tests/test_spidermiddleware_depth.py | 7 +- tests/test_spidermiddleware_offsite.py | 2 +- 10 files changed, 329 insertions(+), 120 deletions(-) create mode 100644 scrapy/spidermiddlewares/base.py create mode 100644 tests/test_spidermiddleware_base.py diff --git a/docs/news.rst b/docs/news.rst index 9a68f8852..9f476ee21 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -3,6 +3,23 @@ Release notes ============= +.. _release-VERSION: + +Scrapy VERSION (unreleased) +--------------------------- + +Backward-incompatible changes +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +- The ``from_settings()`` method of + :class:`~scrapy.spidermiddlewares.urllength.UrlLengthMiddleware` is removed + without a deprecation period (this was needed because after the + introduction of the + :class:`~scrapy.spidermiddlewares.base.BaseSpiderMiddleware` base class and + switching built-in spider middlewares to it those middlewares need the + :class:`~scrapy.crawler.Crawler` instance at run time). Please use + ``from_crawler()`` instead. + .. _release-2.12.0: Scrapy 2.12.0 (2024-11-18) diff --git a/docs/topics/spider-middleware.rst b/docs/topics/spider-middleware.rst index 567a875b6..2211a822f 100644 --- a/docs/topics/spider-middleware.rst +++ b/docs/topics/spider-middleware.rst @@ -189,6 +189,19 @@ one or more of these methods: :param spider: the spider which raised the exception :type spider: :class:`~scrapy.Spider` object +Base class for custom spider middlewares +---------------------------------------- + +Scrapy provides a base class for custom spider middlewares. It's not required +to use it but it can help with simplifying middleware implementations and +reducing the amount of boilerplate code in :ref:`universal middlewares +`. + +.. module:: scrapy.spidermiddlewares.base + +.. autoclass:: BaseSpiderMiddleware + :members: + .. _topics-spider-middleware-ref: Built-in spider middleware reference diff --git a/scrapy/spidermiddlewares/base.py b/scrapy/spidermiddlewares/base.py new file mode 100644 index 000000000..650192095 --- /dev/null +++ b/scrapy/spidermiddlewares/base.py @@ -0,0 +1,97 @@ +from __future__ import annotations + +from typing import TYPE_CHECKING, Any + +from scrapy import Request, Spider + +if TYPE_CHECKING: + from collections.abc import AsyncIterable, Iterable + + # typing.Self requires Python 3.11 + from typing_extensions import Self + + from scrapy.crawler import Crawler + from scrapy.http import Response + + +class BaseSpiderMiddleware: + """Optional base class for spider middlewares. + + This class provides helper methods for asynchronous ``process_spider_output`` + methods. Middlewares that don't have a ``process_spider_output`` method don't need + to use it. + + You can override the + :meth:`~scrapy.spidermiddlewares.base.BaseSpiderMiddleware.get_processed_request` + method to add processing code for requests and the + :meth:`~scrapy.spidermiddlewares.base.BaseSpiderMiddleware.get_processed_item` + method to add processing code for items. These methods take a single + request or item from the spider output iterable and return a request or + item (the same or a new one), or ``None`` to remove this request or item + from the processing. + """ + + def __init__(self, crawler: Crawler): + self.crawler: Crawler = crawler + + @classmethod + def from_crawler(cls, crawler: Crawler) -> Self: + return cls(crawler) + + def process_spider_output( + self, response: Response, result: Iterable[Any], spider: Spider + ) -> Iterable[Any]: + for o in result: + if isinstance(o, Request): + o = self.get_processed_request(o, response) + else: + o = self.get_processed_item(o, response) + if o is not None: + yield o + + async def process_spider_output_async( + self, response: Response, result: AsyncIterable[Any], spider: Spider + ) -> AsyncIterable[Any]: + async for o in result: + if isinstance(o, Request): + o = self.get_processed_request(o, response) + else: + o = self.get_processed_item(o, response) + if o is not None: + yield o + + def get_processed_request( + self, request: Request, response: Response + ) -> Request | None: + """Return a processed request from the spider output. + + This method is called with a single request from the spider output. + It should return the same or a different request, or ``None`` to + ignore it. + + :param request: the input request + :type request: :class:`~scrapy.Request` object + + :param response: the response being processed + :type response: :class:`~scrapy.http.Response` object + + :return: the processed request or ``None`` + """ + return request + + def get_processed_item(self, item: Any, response: Response) -> Any: + """Return a processed item from the spider output. + + This method is called with a single item from the spider output. + It should return the same or a different item, or ``None`` to + ignore it. + + :param item: the input item + :type item: item object + + :param response: the response being processed + :type response: :class:`~scrapy.http.Response` object + + :return: the processed item or ``None`` + """ + return item diff --git a/scrapy/spidermiddlewares/depth.py b/scrapy/spidermiddlewares/depth.py index 3164c1c03..65905f483 100644 --- a/scrapy/spidermiddlewares/depth.py +++ b/scrapy/spidermiddlewares/depth.py @@ -9,7 +9,7 @@ from __future__ import annotations import logging from typing import TYPE_CHECKING, Any -from scrapy.http import Request, Response +from scrapy.spidermiddlewares.base import BaseSpiderMiddleware if TYPE_CHECKING: from collections.abc import AsyncIterable, Iterable @@ -19,14 +19,17 @@ if TYPE_CHECKING: from scrapy import Spider from scrapy.crawler import Crawler + from scrapy.http import Request, Response from scrapy.statscollectors import StatsCollector logger = logging.getLogger(__name__) -class DepthMiddleware: - def __init__( +class DepthMiddleware(BaseSpiderMiddleware): + crawler: Crawler + + def __init__( # pylint: disable=super-init-not-called self, maxdepth: int, stats: StatsCollector, @@ -45,21 +48,22 @@ class DepthMiddleware: verbose = settings.getbool("DEPTH_STATS_VERBOSE") prio = settings.getint("DEPTH_PRIORITY") assert crawler.stats - return cls(maxdepth, crawler.stats, verbose, prio) + o = cls(maxdepth, crawler.stats, verbose, prio) + o.crawler = crawler + return o def process_spider_output( self, response: Response, result: Iterable[Any], spider: Spider ) -> Iterable[Any]: self._init_depth(response, spider) - return (r for r in result if self._filter(r, response, spider)) + yield from super().process_spider_output(response, result, spider) async def process_spider_output_async( self, response: Response, result: AsyncIterable[Any], spider: Spider ) -> AsyncIterable[Any]: self._init_depth(response, spider) - async for r in result: - if self._filter(r, response, spider): - yield r + async for o in super().process_spider_output_async(response, result, spider): + yield o def _init_depth(self, response: Response, spider: Spider) -> None: # base case (depth=0) @@ -68,9 +72,9 @@ class DepthMiddleware: if self.verbose_stats: self.stats.inc_value("request_depth_count/0", spider=spider) - def _filter(self, request: Any, response: Response, spider: Spider) -> bool: - if not isinstance(request, Request): - return True + def get_processed_request( + self, request: Request, response: Response + ) -> Request | None: depth = response.meta["depth"] + 1 request.meta["depth"] = depth if self.prio: @@ -79,10 +83,12 @@ class DepthMiddleware: logger.debug( "Ignoring link (depth > %(maxdepth)d): %(requrl)s ", {"maxdepth": self.maxdepth, "requrl": request.url}, - extra={"spider": spider}, + extra={"spider": self.crawler.spider}, ) - return False + return None if self.verbose_stats: - self.stats.inc_value(f"request_depth_count/{depth}", spider=spider) - self.stats.max_value("request_depth_max", depth, spider=spider) - return True + self.stats.inc_value( + f"request_depth_count/{depth}", spider=self.crawler.spider + ) + self.stats.max_value("request_depth_max", depth, spider=self.crawler.spider) + return request diff --git a/scrapy/spidermiddlewares/offsite.py b/scrapy/spidermiddlewares/offsite.py index 646beb911..0918c9fac 100644 --- a/scrapy/spidermiddlewares/offsite.py +++ b/scrapy/spidermiddlewares/offsite.py @@ -9,11 +9,11 @@ from __future__ import annotations import logging import re import warnings -from typing import TYPE_CHECKING, Any +from typing import TYPE_CHECKING from scrapy import Spider, signals from scrapy.exceptions import ScrapyDeprecationWarning -from scrapy.http import Request, Response +from scrapy.spidermiddlewares.base import BaseSpiderMiddleware from scrapy.utils.httpobj import urlparse_cached warnings.warn( @@ -23,61 +23,52 @@ warnings.warn( ) if TYPE_CHECKING: - from collections.abc import AsyncIterable, Iterable - # typing.Self requires Python 3.11 from typing_extensions import Self from scrapy.crawler import Crawler + from scrapy.http import Request, Response from scrapy.statscollectors import StatsCollector logger = logging.getLogger(__name__) -class OffsiteMiddleware: - def __init__(self, stats: StatsCollector): +class OffsiteMiddleware(BaseSpiderMiddleware): + crawler: Crawler + + def __init__(self, stats: StatsCollector): # pylint: disable=super-init-not-called self.stats: StatsCollector = stats @classmethod def from_crawler(cls, crawler: Crawler) -> Self: assert crawler.stats o = cls(crawler.stats) + o.crawler = crawler crawler.signals.connect(o.spider_opened, signal=signals.spider_opened) return o - def process_spider_output( - self, response: Response, result: Iterable[Any], spider: Spider - ) -> Iterable[Any]: - return (r for r in result if self._filter(r, spider)) - - async def process_spider_output_async( - self, response: Response, result: AsyncIterable[Any], spider: Spider - ) -> AsyncIterable[Any]: - async for r in result: - if self._filter(r, spider): - yield r - - def _filter(self, request: Any, spider: Spider) -> bool: - if not isinstance(request, Request): - return True + def get_processed_request( + self, request: Request, response: Response + ) -> Request | None: + assert self.crawler.spider if ( request.dont_filter or request.meta.get("allow_offsite") - or self.should_follow(request, spider) + or self.should_follow(request, self.crawler.spider) ): - return True + return request domain = urlparse_cached(request).hostname if domain and domain not in self.domains_seen: self.domains_seen.add(domain) logger.debug( "Filtered offsite request to %(domain)r: %(request)s", {"domain": domain, "request": request}, - extra={"spider": spider}, + extra={"spider": self.crawler.spider}, ) - self.stats.inc_value("offsite/domains", spider=spider) - self.stats.inc_value("offsite/filtered", spider=spider) - return False + self.stats.inc_value("offsite/domains", spider=self.crawler.spider) + self.stats.inc_value("offsite/filtered", spider=self.crawler.spider) + return None def should_follow(self, request: Request, spider: Spider) -> bool: regex = self.host_regex diff --git a/scrapy/spidermiddlewares/referer.py b/scrapy/spidermiddlewares/referer.py index a3a1e5b92..b2ba8ba8c 100644 --- a/scrapy/spidermiddlewares/referer.py +++ b/scrapy/spidermiddlewares/referer.py @@ -6,7 +6,7 @@ originated it. from __future__ import annotations import warnings -from typing import TYPE_CHECKING, Any, cast +from typing import TYPE_CHECKING, cast from urllib.parse import urlparse from w3lib.url import safe_url_string @@ -14,13 +14,12 @@ from w3lib.url import safe_url_string from scrapy import Spider, signals from scrapy.exceptions import NotConfigured from scrapy.http import Request, Response +from scrapy.spidermiddlewares.base import BaseSpiderMiddleware from scrapy.utils.misc import load_object from scrapy.utils.python import to_unicode from scrapy.utils.url import strip_url if TYPE_CHECKING: - from collections.abc import AsyncIterable, Iterable - # typing.Self requires Python 3.11 from typing_extensions import Self @@ -327,8 +326,8 @@ def _load_policy_class( return None -class RefererMiddleware: - def __init__(self, settings: BaseSettings | None = None): +class RefererMiddleware(BaseSpiderMiddleware): + def __init__(self, settings: BaseSettings | None = None): # pylint: disable=super-init-not-called self.default_policy: type[ReferrerPolicy] = DefaultReferrerPolicy if settings is not None: settings_policy = _load_policy_class(settings.get("REFERRER_POLICY")) @@ -370,23 +369,13 @@ class RefererMiddleware: cls = _load_policy_class(policy_name, warning_only=True) return cls() if cls else self.default_policy() - def process_spider_output( - self, response: Response, result: Iterable[Any], spider: Spider - ) -> Iterable[Any]: - return (self._set_referer(r, response) for r in result) - - async def process_spider_output_async( - self, response: Response, result: AsyncIterable[Any], spider: Spider - ) -> AsyncIterable[Any]: - async for r in result: - yield self._set_referer(r, response) - - def _set_referer(self, r: Any, response: Response) -> Any: - if isinstance(r, Request): - referrer = self.policy(response, r).referrer(response.url, r.url) - if referrer is not None: - r.headers.setdefault("Referer", referrer) - return r + def get_processed_request( + self, request: Request, response: Response + ) -> Request | None: + referrer = self.policy(response, request).referrer(response.url, request.url) + if referrer is not None: + request.headers.setdefault("Referer", referrer) + return request def request_scheduled(self, request: Request, spider: Spider) -> None: # check redirected request to patch "Referer" header if necessary diff --git a/scrapy/spidermiddlewares/urllength.py b/scrapy/spidermiddlewares/urllength.py index a1cd1bb7c..177c19e1b 100644 --- a/scrapy/spidermiddlewares/urllength.py +++ b/scrapy/spidermiddlewares/urllength.py @@ -7,72 +7,49 @@ See documentation in docs/topics/spider-middleware.rst from __future__ import annotations import logging -import warnings -from typing import TYPE_CHECKING, Any +from typing import TYPE_CHECKING -from scrapy.exceptions import NotConfigured, ScrapyDeprecationWarning -from scrapy.http import Request, Response +from scrapy.exceptions import NotConfigured +from scrapy.spidermiddlewares.base import BaseSpiderMiddleware if TYPE_CHECKING: - from collections.abc import AsyncIterable, Iterable - # typing.Self requires Python 3.11 from typing_extensions import Self - from scrapy import Spider from scrapy.crawler import Crawler - from scrapy.settings import BaseSettings + from scrapy.http import Request, Response logger = logging.getLogger(__name__) -class UrlLengthMiddleware: - def __init__(self, maxlength: int): +class UrlLengthMiddleware(BaseSpiderMiddleware): + crawler: Crawler + + def __init__(self, maxlength: int): # pylint: disable=super-init-not-called self.maxlength: int = maxlength - @classmethod - def from_settings(cls, settings: BaseSettings) -> Self: - warnings.warn( - f"{cls.__name__}.from_settings() is deprecated, use from_crawler() instead.", - category=ScrapyDeprecationWarning, - stacklevel=2, - ) - return cls._from_settings(settings) - @classmethod def from_crawler(cls, crawler: Crawler) -> Self: - return cls._from_settings(crawler.settings) - - @classmethod - def _from_settings(cls, settings: BaseSettings) -> Self: - maxlength = settings.getint("URLLENGTH_LIMIT") + maxlength = crawler.settings.getint("URLLENGTH_LIMIT") if not maxlength: raise NotConfigured - return cls(maxlength) + o = cls(maxlength) + o.crawler = crawler + return o - def process_spider_output( - self, response: Response, result: Iterable[Any], spider: Spider - ) -> Iterable[Any]: - return (r for r in result if self._filter(r, spider)) - - async def process_spider_output_async( - self, response: Response, result: AsyncIterable[Any], spider: Spider - ) -> AsyncIterable[Any]: - async for r in result: - if self._filter(r, spider): - yield r - - def _filter(self, request: Any, spider: Spider) -> bool: - if isinstance(request, Request) and len(request.url) > self.maxlength: - logger.info( - "Ignoring link (url length > %(maxlength)d): %(url)s ", - {"maxlength": self.maxlength, "url": request.url}, - extra={"spider": spider}, - ) - assert spider.crawler.stats - spider.crawler.stats.inc_value( - "urllength/request_ignored_count", spider=spider - ) - return False - return True + def get_processed_request( + self, request: Request, response: Response + ) -> Request | None: + if len(request.url) <= self.maxlength: + return request + logger.info( + "Ignoring link (url length > %(maxlength)d): %(url)s ", + {"maxlength": self.maxlength, "url": request.url}, + extra={"spider": self.crawler.spider}, + ) + assert self.crawler.stats + self.crawler.stats.inc_value( + "urllength/request_ignored_count", spider=self.crawler.spider + ) + return None diff --git a/tests/test_spidermiddleware_base.py b/tests/test_spidermiddleware_base.py new file mode 100644 index 000000000..46be879f3 --- /dev/null +++ b/tests/test_spidermiddleware_base.py @@ -0,0 +1,120 @@ +from __future__ import annotations + +from typing import TYPE_CHECKING, Any + +import pytest + +from scrapy import Request, Spider +from scrapy.http import Response +from scrapy.spidermiddlewares.base import BaseSpiderMiddleware +from scrapy.utils.test import get_crawler + +if TYPE_CHECKING: + from scrapy.crawler import Crawler + + +@pytest.fixture +def crawler() -> Crawler: + return get_crawler(Spider) + + +def test_trivial(crawler): + class TrivialSpiderMiddleware(BaseSpiderMiddleware): + pass + + mw = TrivialSpiderMiddleware.from_crawler(crawler) + assert hasattr(mw, "crawler") + assert mw.crawler is crawler + test_req = Request("data:,") + spider_output = [test_req, {"foo": "bar"}] + processed = list( + mw.process_spider_output(Response("data:,"), spider_output, crawler.spider) + ) + assert processed == [test_req, {"foo": "bar"}] + + +def test_processed_request(crawler): + class ProcessReqSpiderMiddleware(BaseSpiderMiddleware): + def get_processed_request( + self, request: Request, response: Response + ) -> Request | None: + if request.url == "data:2,": + return None + if request.url == "data:3,": + return Request("data:30,") + return request + + mw = ProcessReqSpiderMiddleware.from_crawler(crawler) + test_req1 = Request("data:1,") + test_req2 = Request("data:2,") + test_req3 = Request("data:3,") + spider_output = [test_req1, {"foo": "bar"}, test_req2, test_req3] + processed = list( + mw.process_spider_output(Response("data:,"), spider_output, crawler.spider) + ) + assert len(processed) == 3 + assert isinstance(processed[0], Request) + assert processed[0].url == "data:1," + assert processed[1] == {"foo": "bar"} + assert isinstance(processed[2], Request) + assert processed[2].url == "data:30," + + +def test_processed_item(crawler): + class ProcessItemSpiderMiddleware(BaseSpiderMiddleware): + def get_processed_item(self, item: Any, response: Response) -> Any: + if item["foo"] == 2: + return None + if item["foo"] == 3: + item["foo"] = 30 + return item + + mw = ProcessItemSpiderMiddleware.from_crawler(crawler) + test_req = Request("data:,") + spider_output = [{"foo": 1}, {"foo": 2}, test_req, {"foo": 3}] + processed = list( + mw.process_spider_output(Response("data:,"), spider_output, crawler.spider) + ) + assert processed == [{"foo": 1}, test_req, {"foo": 30}] + + +def test_processed_both(crawler): + class ProcessBothSpiderMiddleware(BaseSpiderMiddleware): + def get_processed_request( + self, request: Request, response: Response + ) -> Request | None: + if request.url == "data:2,": + return None + if request.url == "data:3,": + return Request("data:30,") + return request + + def get_processed_item(self, item: Any, response: Response) -> Any: + if item["foo"] == 2: + return None + if item["foo"] == 3: + item["foo"] = 30 + return item + + mw = ProcessBothSpiderMiddleware.from_crawler(crawler) + test_req1 = Request("data:1,") + test_req2 = Request("data:2,") + test_req3 = Request("data:3,") + spider_output = [ + test_req1, + {"foo": 1}, + {"foo": 2}, + test_req2, + {"foo": 3}, + test_req3, + ] + processed = list( + mw.process_spider_output(Response("data:,"), spider_output, crawler.spider) + ) + assert len(processed) == 4 + assert isinstance(processed[0], Request) + assert processed[0].url == "data:1," + assert processed[1] == {"foo": 1} + assert processed[2] == {"foo": 30} + assert isinstance(processed[3], Request) + assert processed[3].url == "data:30," diff --git a/tests/test_spidermiddleware_depth.py b/tests/test_spidermiddleware_depth.py index dfcc141c3..9b4aa624c 100644 --- a/tests/test_spidermiddleware_depth.py +++ b/tests/test_spidermiddleware_depth.py @@ -1,19 +1,18 @@ from scrapy.http import Request, Response from scrapy.spidermiddlewares.depth import DepthMiddleware from scrapy.spiders import Spider -from scrapy.statscollectors import StatsCollector from scrapy.utils.test import get_crawler class TestDepthMiddleware: def setup_method(self): - crawler = get_crawler(Spider) + crawler = get_crawler(Spider, {"DEPTH_LIMIT": 1, "DEPTH_STATS_VERBOSE": True}) self.spider = crawler._create_spider("scrapytest.org") - self.stats = StatsCollector(crawler) + self.stats = crawler.stats self.stats.open_spider(self.spider) - self.mw = DepthMiddleware(1, self.stats, True) + self.mw = DepthMiddleware.from_crawler(crawler) def test_process_spider_output(self): req = Request("http://scrapytest.org") diff --git a/tests/test_spidermiddleware_offsite.py b/tests/test_spidermiddleware_offsite.py index f4563a0a4..e4f4b8f9b 100644 --- a/tests/test_spidermiddleware_offsite.py +++ b/tests/test_spidermiddleware_offsite.py @@ -10,7 +10,7 @@ from scrapy.utils.test import get_crawler class TestOffsiteMiddleware: def setup_method(self): crawler = get_crawler(Spider) - self.spider = crawler._create_spider(**self._get_spiderargs()) + self.spider = crawler.spider = crawler._create_spider(**self._get_spiderargs()) self.mw = OffsiteMiddleware.from_crawler(crawler) self.mw.spider_opened(self.spider) From b1f85b5a173f48bad2881465efbab5c22aa0327d Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Thu, 24 Apr 2025 20:03:36 +0500 Subject: [PATCH 438/786] Release notes for 2.13.0, up to b4c253102139e842859a9abf1455e62504cc9511. --- docs/news.rst | 198 ++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 193 insertions(+), 5 deletions(-) diff --git a/docs/news.rst b/docs/news.rst index 9f476ee21..b9b5ce320 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -5,21 +5,209 @@ Release notes .. _release-VERSION: -Scrapy VERSION (unreleased) ---------------------------- +Scrapy 2.13.0 (unreleased) +-------------------------- + +Highlights: + +- Added the :reqmeta:`allow_offsite` request meta key + +- HTTP/1.0 support is deprecated + +Modified requirements +~~~~~~~~~~~~~~~~~~~~~ + +- Dropped support for PyPy 3.9. + (:issue:`6613`) Backward-incompatible changes ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - The ``from_settings()`` method of - :class:`~scrapy.spidermiddlewares.urllength.UrlLengthMiddleware` is removed - without a deprecation period (this was needed because after the - introduction of the + :class:`~scrapy.spidermiddlewares.urllength.UrlLengthMiddleware`, + deprecated in 2.12.0, is removed earlier than the usual deprecation period + (this was needed because after the introduction of the :class:`~scrapy.spidermiddlewares.base.BaseSpiderMiddleware` base class and switching built-in spider middlewares to it those middlewares need the :class:`~scrapy.crawler.Crawler` instance at run time). Please use ``from_crawler()`` instead. +Deprecations +~~~~~~~~~~~~ + +- Functions that were imported from :mod:`w3lib.url` and re-exported in + :mod:`scrapy.utils.url` are now deprecated, you should import them from + ``w3lib.url`` directly. They are: + + - ``scrapy.utils.url.add_or_replace_parameter()`` + + - ``scrapy.utils.url.add_or_replace_parameters()`` + + - ``scrapy.utils.url.any_to_uri()`` + + - ``scrapy.utils.url.canonicalize_url()`` + + - ``scrapy.utils.url.file_uri_to_path()`` + + - ``scrapy.utils.url.is_url()`` + + - ``scrapy.utils.url.parse_data_uri()`` + + - ``scrapy.utils.url.parse_url()`` + + - ``scrapy.utils.url.path_to_file_uri()`` + + - ``scrapy.utils.url.safe_download_url()`` + + - ``scrapy.utils.url.safe_url_string()`` + + - ``scrapy.utils.url.url_query_cleaner()`` + + - ``scrapy.utils.url.url_query_parameter()`` + + - ``scrapy.utils.url._unquotepath()`` + + - ``scrapy.utils.url._safe_chars`` attribute + + (:issue:`4577`, :issue:`6583`, :issue:`6586`) + +- HTTP/1.0 support code is deprecated. It was disabled by default and + couldn't be used together with HTTP/1.1. If you still need it, you should + write your own download handler or copy the code from Scrapy. The + deprecations include: + + - ``scrapy.core.downloader.handlers.http10.HTTP10DownloadHandler`` + + - ``scrapy.core.downloader.webclient.ScrapyHTTPClientFactory`` + + - ``scrapy.core.downloader.webclient.ScrapyHTTPPageGetter`` + + - Overriding + ``scrapy.core.downloader.contextfactory.ScrapyClientContextFactory.getContext()`` + + (:issue:`6634`) + +- ``scrapy.utils.versions.scrapy_components_versions()`` is deprecated, use + :func:`scrapy.utils.versions.get_versions()` instead. + (:issue:`6582`) + +- ``BaseDupeFilter.log()`` is deprecated. It does nothing and shouldn't be + called. + (:issue:`4151`) + +New features +~~~~~~~~~~~~ + +- Added the :reqmeta:`allow_offsite` request meta key that can be used + instead of the more general :attr:`~scrapy.Request.dont_filter` request + attribute to skip processing of the request by + :class:`~scrapy.downloadermiddlewares.offsite.OffsiteMiddleware` (but not + by other code that checks :attr:`~scrapy.Request.dont_filter`). + (:issue:`3690`, :issue:`6151`, :issue:`6366`) + +- :ref:`Scrapy add-ons ` can now define a class method called + ``update_pre_crawler_settings()`` to update :ref:`pre-crawler settings + `. + (:issue:`6544`, :issue:`6568`) + +- Added the :setting:`DEFAULT_DROPITEM_LOG_LEVEL` setting and the + :attr:`scrapy.exceptions.DropItem.log_level` attribute that allow + customizing the log level of the message that is logged when an item is + dropped. + (:issue:`6603`, :issue:`6608`) + +- Added the :setting:`LOG_VERSIONS` setting that allows customizing the + list of software which versions are logged when the spider starts. + (:issue:`6582`) + +Improvements +~~~~~~~~~~~~ + +- Improved the error message when running a ``scrapy`` command that requires + a project (such as ``scrapy crawl``) outside of a project directory. + (:issue:`2349`, :issue:`3426`) + +- An empty :setting:`ADDONS` setting added to the ``settings.py`` template + for new projects. + (:issue:`6587`) + +Bug fixes +~~~~~~~~~ + +- Fixed calculation of ``items_per_minute`` and ``responses_per_minute`` + stats. + (:issue:`6599`) + +- Fixed an error initializing + :class:`scrapy.extensions.feedexport.GCSFeedStorage`. + (:issue:`6617`, :issue:`6628`) + +- Fixed an error running ``scrapy bench``. + (:issue:`6632`, :issue:`6633`) + +Documentation +~~~~~~~~~~~~~ + +- Improved the contribution docs. + (:issue:`6561`, :issue:`6575`) + +- Other documentation improvements and fixes. + (:issue:`4151`, + :issue:`6526`, + :issue:`6620`, + :issue:`6621`, + :issue:`6622`, + :issue:`6623`, + :issue:`6624`) + +Packaging +~~~~~~~~~ + +- Switched from ``setup.py`` to ``pyproject.toml``. + (:issue:`6514`, :issue:`6547`) + +Quality assurance +~~~~~~~~~~~~~~~~~ + +- Replaced most linters with ``ruff``. + (:issue:`6565`, :issue:`6576`, :issue:`6577`, :issue:`6581`, :issue:`6584`, + :issue:`6595`, :issue:`6601`, :issue:`6631`) + +- Improved accuracy and performance of collecting test coverage. + (:issue:`6567`) + +- Fixed an error that prevented running tests from directories other than the + top level source directory. + (:issue:`6567`) + +- Reduced the amount of ``mockserver`` calls in tests to improve the overall + test run time. + (:issue:`6637`, :issue:`6648`) + +- Fixed tests that were running the same test code more than once. + (:issue:`6646`) + +- Type hints improvements and fixes. + (:issue:`6578`, :issue:`6579`, :issue:`6593`, :issue:`6605`) + +- CI and test improvements and fixes. + (:issue:`5360`, + :issue:`6271`, + :issue:`6547`, + :issue:`6560`, + :issue:`6602`, + :issue:`6607`, + :issue:`6609`, + :issue:`6613`, + :issue:`6619`, + :issue:`6626`) + +- Code cleanups. + (:issue:`6600`, + :issue:`6606`, + :issue:`6635`) + + .. _release-2.12.0: Scrapy 2.12.0 (2024-11-18) From 095140f134745960751c8c4b34da7de6b91e4a82 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Fri, 25 Apr 2025 19:43:29 +0500 Subject: [PATCH 439/786] Cover the current master in the release notes (up to daf9db7). --- docs/news.rst | 223 +++++++++++++++++++++++++++---- docs/topics/addons.rst | 2 + docs/topics/coroutines.rst | 6 + docs/topics/settings.rst | 2 +- scrapy/spidermiddlewares/base.py | 2 + 5 files changed, 210 insertions(+), 25 deletions(-) diff --git a/docs/news.rst b/docs/news.rst index b9b5ce320..74a26c383 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -3,16 +3,22 @@ Release notes ============= -.. _release-VERSION: +.. _release-2.13.0: Scrapy 2.13.0 (unreleased) -------------------------- Highlights: +- The asyncio reactor is now enabled by default + - Added the :reqmeta:`allow_offsite` request meta key -- HTTP/1.0 support is deprecated +- :ref:`Spider middlewares that don't support asynchronous spider output + ` are deprecated + +- Added a base class for :ref:`universal spider middlewares + ` Modified requirements ~~~~~~~~~~~~~~~~~~~~~ @@ -23,21 +29,62 @@ Modified requirements Backward-incompatible changes ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +- The default value of the :setting:`TWISTED_REACTOR` setting was changed + from ``None`` to + ``"twisted.internet.asyncioreactor.AsyncioSelectorReactor"``. This value + was used in newly generated projects since Scrapy 2.7.0 but now existing + projects that don't explicitly set this setting will also use the asyncio + reactor. You can :ref:`change this setting in your project + ` to use a different reactor. + (:issue:`6659`, :issue:`6713`) + - The ``from_settings()`` method of :class:`~scrapy.spidermiddlewares.urllength.UrlLengthMiddleware`, - deprecated in 2.12.0, is removed earlier than the usual deprecation period - (this was needed because after the introduction of the + deprecated in Scrapy 2.12.0, is removed earlier than the usual deprecation + period (this was needed because after the introduction of the :class:`~scrapy.spidermiddlewares.base.BaseSpiderMiddleware` base class and switching built-in spider middlewares to it those middlewares need the :class:`~scrapy.crawler.Crawler` instance at run time). Please use ``from_crawler()`` instead. + (:issue:`6693`) + +- ``scrapy.utils.url.escape_ajax()`` is no longer called when a + :class:`~scrapy.Request` instance is created. It was only useful for + websites supporting the ``_escaped_fragment_`` feature which most modern + websites don't support. If you still need this you can modify the URLs + before passing them to :class:`~scrapy.Request`. + (:issue:`6523`, :issue:`6651`) + +Deprecation removals +~~~~~~~~~~~~~~~~~~~~ + +- Removed old deprecated name aliases for some signals: + + - ``stats_spider_opened`` (use ``spider_opened`` instead) + + - ``stats_spider_closing`` and ``stats_spider_closed`` (use + ``spider_closed`` instead) + + - ``item_passed`` (use ``item_scraped`` instead) + + - ``request_received`` (use ``request_scheduled`` instead) + + (:issue:`6654`, :issue:`6655`) Deprecations ~~~~~~~~~~~~ +- :ref:`Spider middlewares that don't support asynchronous spider output + ` are deprecated. The async iterable + downgrading feature, needed for using such middlewares with asynchronous + callbacks and with other spider middlewares that produce asynchronous + iterables, is also deprecated. Please update all such middlewares to + support asynchronous spider output. + (:issue:`6664`) + - Functions that were imported from :mod:`w3lib.url` and re-exported in :mod:`scrapy.utils.url` are now deprecated, you should import them from - ``w3lib.url`` directly. They are: + :mod:`w3lib.url` directly. They are: - ``scrapy.utils.url.add_or_replace_parameter()`` @@ -65,10 +112,6 @@ Deprecations - ``scrapy.utils.url.url_query_parameter()`` - - ``scrapy.utils.url._unquotepath()`` - - - ``scrapy.utils.url._safe_chars`` attribute - (:issue:`4577`, :issue:`6583`, :issue:`6586`) - HTTP/1.0 support code is deprecated. It was disabled by default and @@ -87,6 +130,37 @@ Deprecations (:issue:`6634`) +- The following modules and functions used only in tests are deprecated: + + - the ``scrapy/utils/testproc`` module + + - the ``scrapy/utils/testsite`` module + + - ``scrapy.utils.test.assert_gcs_environ()`` + + - ``scrapy.utils.test.get_ftp_content_and_delete()`` + + - ``scrapy.utils.test.get_gcs_content_and_delete()`` + + - ``scrapy.utils.test.mock_google_cloud_storage()`` + + - ``scrapy.utils.test.skip_if_no_boto()`` + + If you need to use them in your tests or code, you can copy the code from Scrapy. + (:issue:`6696`) + +- ``scrapy.downloadermiddlewares.ajaxcrawl.AjaxCrawlMiddleware`` is + deprecated. It was disabled by default and isn't useful for most of the + existing websites. + (:issue:`6523`, :issue:`6651`, :issue:`6656`) + +- ``scrapy.utils.url.escape_ajax()`` is deprecated. + (:issue:`6523`, :issue:`6651`) + +- ``scrapy.spiders.init.InitSpider`` is deprecated. If you find it useful, + you can copy its code from Scrapy. + (:issue:`6708`, :issue:`6714`) + - ``scrapy.utils.versions.scrapy_components_versions()`` is deprecated, use :func:`scrapy.utils.versions.get_versions()` instead. (:issue:`6582`) @@ -105,29 +179,63 @@ New features by other code that checks :attr:`~scrapy.Request.dont_filter`). (:issue:`3690`, :issue:`6151`, :issue:`6366`) +- Added an optional base class for spider middlewares, + :class:`~scrapy.spidermiddlewares.base.BaseSpiderMiddleware`, which can be + helpful for writing :ref:`universal spider middlewares + ` without boilerplate and code duplication. + The built-in spider middlewares now inherit from this class. + (:issue:`6693`) + - :ref:`Scrapy add-ons ` can now define a class method called ``update_pre_crawler_settings()`` to update :ref:`pre-crawler settings `. (:issue:`6544`, :issue:`6568`) +- Added :ref:`helpers ` for modifying :ref:`component + priority dictionary ` settings. + (:issue:`6614`) + +- Responses that use an unknown/unsupported encoding now produce a warning. + If Scrapy knows that installing an additional package (such as brotli_) + will allow decoding the response, that will be mentioned in the warning. + (:issue:`4697`, :issue:`6618`) + +- Added the ``spider_exceptions/count`` stat which tracks the total count of + exceptions (tracked also by per-type ``spider_exceptions/*`` stats). + (:issue:`6739`, :issue:`6740`) + - Added the :setting:`DEFAULT_DROPITEM_LOG_LEVEL` setting and the :attr:`scrapy.exceptions.DropItem.log_level` attribute that allow customizing the log level of the message that is logged when an item is dropped. (:issue:`6603`, :issue:`6608`) +- Added support for the ``-b, --cookie`` curl argument to + :meth:`scrapy.Request.from_curl`. + (:issue:`6684`) + - Added the :setting:`LOG_VERSIONS` setting that allows customizing the - list of software which versions are logged when the spider starts. + list of software whose versions are logged when the spider starts. (:issue:`6582`) +- Added the :setting:`WARN_ON_GENERATOR_RETURN_VALUE` setting that allows + disabling run time analysis of callback code used to warn about incorrect + ``return`` statements in generator-based callbacks. You may need to disable + this setting if this analysis breaks on your callback code. + (:issue:`6731`, :issue:`6738`) + Improvements ~~~~~~~~~~~~ +- Removed or postponed some calls of :func:`itemadapter.is_item` to increase + performance. + (:issue:`6719`) + - Improved the error message when running a ``scrapy`` command that requires a project (such as ``scrapy crawl``) outside of a project directory. (:issue:`2349`, :issue:`3426`) -- An empty :setting:`ADDONS` setting added to the ``settings.py`` template +- Added an empty :setting:`ADDONS` setting to the ``settings.py`` template for new projects. (:issue:`6587`) @@ -145,12 +253,46 @@ Bug fixes - Fixed an error running ``scrapy bench``. (:issue:`6632`, :issue:`6633`) +- Fixed duplicated log messages about the reactor and the event loop. + (:issue:`6636`, :issue:`6657`) + +- Fixed resolving type annotations of ``SitemapSpider._parse_sitemap()`` at + run time, required by tools such as scrapy-poet_. + (:issue:`6665`, :issue:`6671`) + + .. _scrapy-poet: https://github.com/scrapinghub/scrapy-poet + +- Calling :func:`scrapy.utils.reactor.is_asyncio_reactor_installed` without + an installed reactor now raises an exception instead of installing a + reactor. + (:issue:`6732`, :issue:`6735`) + +- Restored support for the ``x-gzip`` content encoding. + (:issue:`6618`) + Documentation ~~~~~~~~~~~~~ -- Improved the contribution docs. +- Improved the :ref:`docs ` about asynchronous + iterable support in spider middlewares. + (:issue:`6688`) + +- Improved the :ref:`docs ` about using + :class:`~twisted.internet.defer.Deferred`-based APIs in coroutine-based + code. + (:issue:`6734`) + +- Improved the :ref:`contribution docs `. (:issue:`6561`, :issue:`6575`) +- Removed the ``Splash`` recommendation from the :ref:`headless browser + ` suggestion. We no longer recommend using + ``Splash`` and recommend using other headless browser solutions instead. + (:issue:`6642`, :issue:`6701`) + +- Added the dark mode to the HTML documentation. + (:issue:`6653`) + - Other documentation improvements and fixes. (:issue:`4151`, :issue:`6526`, @@ -158,7 +300,9 @@ Documentation :issue:`6621`, :issue:`6622`, :issue:`6623`, - :issue:`6624`) + :issue:`6624`, + :issue:`6721`, + :issue:`6723`) Packaging ~~~~~~~~~ @@ -169,12 +313,20 @@ Packaging Quality assurance ~~~~~~~~~~~~~~~~~ -- Replaced most linters with ``ruff``. - (:issue:`6565`, :issue:`6576`, :issue:`6577`, :issue:`6581`, :issue:`6584`, - :issue:`6595`, :issue:`6601`, :issue:`6631`) +- Replaced most linters with ruff_. + (:issue:`6565`, + :issue:`6576`, + :issue:`6577`, + :issue:`6581`, + :issue:`6584`, + :issue:`6595`, + :issue:`6601`, + :issue:`6631`) + + .. _ruff: https://docs.astral.sh/ruff/ - Improved accuracy and performance of collecting test coverage. - (:issue:`6567`) + (:issue:`6255`, :issue:`6610`) - Fixed an error that prevented running tests from directories other than the top level source directory. @@ -185,10 +337,28 @@ Quality assurance (:issue:`6637`, :issue:`6648`) - Fixed tests that were running the same test code more than once. - (:issue:`6646`) + (:issue:`6646`, :issue:`6647`, :issue:`6650`) + +- Refactored tests to use more ``pytest`` features instead of ``unittest`` + ones where possible. + (:issue:`6678`, + :issue:`6680`, + :issue:`6695`, + :issue:`6699`, + :issue:`6700`, + :issue:`6702`, + :issue:`6709`, + :issue:`6710`, + :issue:`6711`, + :issue:`6712`, + :issue:`6725`) - Type hints improvements and fixes. - (:issue:`6578`, :issue:`6579`, :issue:`6593`, :issue:`6605`) + (:issue:`6578`, + :issue:`6579`, + :issue:`6593`, + :issue:`6605`, + :issue:`6694`) - CI and test improvements and fixes. (:issue:`5360`, @@ -200,7 +370,16 @@ Quality assurance :issue:`6609`, :issue:`6613`, :issue:`6619`, - :issue:`6626`) + :issue:`6626`, + :issue:`6679`, + :issue:`6703`, + :issue:`6704`, + :issue:`6716`, + :issue:`6720`, + :issue:`6722`, + :issue:`6724`, + :issue:`6741`, + :issue:`6743`) - Code cleanups. (:issue:`6600`, @@ -806,8 +985,6 @@ Bug fixes - Restored support for brotlipy_, which had been dropped in Scrapy 2.11.1 in favor of brotli_. (:issue:`6261`) - .. _brotli: https://github.com/google/brotli - .. note:: brotlipy is deprecated, both in Scrapy and upstream. Use brotli instead if you can. @@ -2391,8 +2568,6 @@ Scrapy 2.5.1 (2021-10-05) need to upgrade scrapy-splash to a greater version for it to continue to work. -.. _scrapy-splash: https://github.com/scrapy-plugins/scrapy-splash - .. _release-2.5.0: diff --git a/docs/topics/addons.rst b/docs/topics/addons.rst index 17e3c177a..815501e66 100644 --- a/docs/topics/addons.rst +++ b/docs/topics/addons.rst @@ -124,6 +124,8 @@ Set some basic configuration: "ITEM_PIPELINES", MyPipeline, 200 ) +.. _priority-dict-helpers: + .. tip:: When editing a :ref:`component priority dictionary ` setting, like :setting:`ITEM_PIPELINES`, consider using setting methods like diff --git a/docs/topics/coroutines.rst b/docs/topics/coroutines.rst index 1c80857f6..1a84f893c 100644 --- a/docs/topics/coroutines.rst +++ b/docs/topics/coroutines.rst @@ -344,3 +344,9 @@ For example: feature will be removed, and all spider middlewares will be expected to define their ``process_spider_output`` method as an asynchronous generator. + +Since 2.13.0, Scrapy provides a base class, +:class:`~scrapy.spidermiddlewares.base.BaseSpiderMiddleware`, which implements +the ``process_spider_output()`` and ``process_spider_output_async()`` methods, +so instead of duplicating the processing code you can override the +``get_processed_request()`` and/or the ``get_processed_item()`` method. diff --git a/docs/topics/settings.rst b/docs/topics/settings.rst index a59a61050..73ac36646 100644 --- a/docs/topics/settings.rst +++ b/docs/topics/settings.rst @@ -2005,7 +2005,7 @@ current platform. ``twisted.internet.asyncioreactor.AsyncioSelectorReactor`` in the generated ``settings.py`` file. -.. versionchanged:: VERSION +.. versionchanged:: 2.13 The default value was changed from ``None`` to ``"twisted.internet.asyncioreactor.AsyncioSelectorReactor"``. diff --git a/scrapy/spidermiddlewares/base.py b/scrapy/spidermiddlewares/base.py index 650192095..5e4370d45 100644 --- a/scrapy/spidermiddlewares/base.py +++ b/scrapy/spidermiddlewares/base.py @@ -17,6 +17,8 @@ if TYPE_CHECKING: class BaseSpiderMiddleware: """Optional base class for spider middlewares. + .. versionadded:: 2.13 + This class provides helper methods for asynchronous ``process_spider_output`` methods. Middlewares that don't have a ``process_spider_output`` method don't need to use it. From 4aba7e5f6675703159220ee22bba6953c5685ef6 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Fri, 25 Apr 2025 20:16:26 +0500 Subject: [PATCH 440/786] Mention the deprecation of TestSpider. --- docs/news.rst | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/docs/news.rst b/docs/news.rst index 74a26c383..7bb25e6b6 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -149,6 +149,11 @@ Deprecations If you need to use them in your tests or code, you can copy the code from Scrapy. (:issue:`6696`) +- ``scrapy.utils.test.TestSpider`` is deprecated. If you need an empty spider + class you can use :class:`scrapy.utils.spider.DefaultSpider` or create your + own subclass of :class:`scrapy.Spider`. + (:issue:`6678`) + - ``scrapy.downloadermiddlewares.ajaxcrawl.AjaxCrawlMiddleware`` is deprecated. It was disabled by default and isn't useful for most of the existing websites. From eced5ca2d3c85c36b18f0da3d5d888e7e66a7014 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 30 Apr 2025 00:51:23 +0500 Subject: [PATCH 441/786] Remove the unnecessary spider argument from Scraper and related code. --- scrapy/core/engine.py | 12 +-- scrapy/core/scraper.py | 178 +++++++++++++++++++++++++++------------- scrapy/core/spidermw.py | 6 +- tests/test_engine.py | 7 +- 4 files changed, 131 insertions(+), 72 deletions(-) diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index b7a73700b..653e5e05c 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -265,7 +265,7 @@ class ExecutionEngine: self.crawl(result) return None - d = self.scraper.enqueue_scrape(result, request, self.spider) + d = self.scraper.enqueue_scrape(result, request) d.addErrback( lambda f: logger.error( "Error while enqueuing downloader output", @@ -290,14 +290,14 @@ class ExecutionEngine: """Inject the request into the spider <-> downloader pipeline""" if self.spider is None: raise RuntimeError(f"No open spider to crawl: {request}") - self._schedule_request(request, self.spider) + self._schedule_request(request) self.slot.nextcall.schedule() # type: ignore[union-attr] - def _schedule_request(self, request: Request, spider: Spider) -> None: + def _schedule_request(self, request: Request) -> None: request_scheduled_result = self.signals.send_catch_log( signals.request_scheduled, request=request, - spider=spider, + spider=self.spider, dont_log=IgnoreRequest, ) for handler, result in request_scheduled_result: @@ -305,7 +305,7 @@ class ExecutionEngine: return if not self.slot.scheduler.enqueue_request(request): # type: ignore[union-attr] self.signals.send_catch_log( - signals.request_dropped, request=request, spider=spider + signals.request_dropped, request=request, spider=self.spider ) def download(self, request: Request) -> Deferred[Response]: @@ -438,7 +438,7 @@ class ExecutionEngine: dfd.addBoth(lambda _: self.downloader.close()) dfd.addErrback(log_failure("Downloader close failure")) - dfd.addBoth(lambda _: self.scraper.close_spider(spider)) + dfd.addBoth(lambda _: self.scraper.close_spider()) dfd.addErrback(log_failure("Scraper close failure")) if hasattr(self.slot.scheduler, "close"): diff --git a/scrapy/core/scraper.py b/scrapy/core/scraper.py index 496adb500..2942dfa58 100644 --- a/scrapy/core/scraper.py +++ b/scrapy/core/scraper.py @@ -4,6 +4,7 @@ extracts information from them""" from __future__ import annotations import logging +import warnings from collections import deque from collections.abc import AsyncIterable, Iterator from typing import TYPE_CHECKING, Any, TypeVar, Union, cast @@ -13,7 +14,12 @@ from twisted.python.failure import Failure from scrapy import Spider, signals from scrapy.core.spidermw import SpiderMiddlewareManager -from scrapy.exceptions import CloseSpider, DropItem, IgnoreRequest +from scrapy.exceptions import ( + CloseSpider, + DropItem, + IgnoreRequest, + ScrapyDeprecationWarning, +) from scrapy.http import Request, Response from scrapy.utils.defer import ( aiter_errback, @@ -110,27 +116,43 @@ class Scraper: self.slot = Slot(self.crawler.settings.getint("SCRAPER_SLOT_MAX_ACTIVE_SIZE")) yield self.itemproc.open_spider(spider) - def close_spider(self, spider: Spider) -> Deferred[Spider]: + def close_spider(self, spider: Spider | None = None) -> Deferred[Spider]: """Close a spider being scraped and release its resources""" + if spider is not None: + warnings.warn( + "Passing a 'spider' argument to Scraper.close_spider() is deprecated.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) + if self.slot is None: raise RuntimeError("Scraper slot not assigned") self.slot.closing = Deferred() self.slot.closing.addCallback(self.itemproc.close_spider) - self._check_if_closing(spider) + self._check_if_closing() return self.slot.closing def is_idle(self) -> bool: """Return True if there isn't any more spiders to process""" return not self.slot - def _check_if_closing(self, spider: Spider) -> None: + def _check_if_closing(self) -> None: assert self.slot is not None # typing + assert self.crawler.spider if self.slot.closing and self.slot.is_idle(): - self.slot.closing.callback(spider) + assert self.crawler.spider + self.slot.closing.callback(self.crawler.spider) def enqueue_scrape( - self, result: Response | Failure, request: Request, spider: Spider + self, result: Response | Failure, request: Request, spider: Spider | None = None ) -> _HandleOutputDeferred: + if spider is not None: + warnings.warn( + "Passing a 'spider' argument to Scraper.enqueue_scrape() is deprecated.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) + if self.slot is None: raise RuntimeError("Scraper slot not assigned") dfd = self.slot.add_response_request(result, request) @@ -138,8 +160,8 @@ class Scraper: def finish_scraping(_: _T) -> _T: assert self.slot is not None self.slot.finish_response(result, request) - self._check_if_closing(spider) - self._scrape_next(spider) + self._check_if_closing() + self._scrape_next() return _ dfd.addBoth(finish_scraping) @@ -148,20 +170,20 @@ class Scraper: "Scraper bug processing %(request)s", {"request": request}, exc_info=failure_to_exc_info(f), - extra={"spider": spider}, + extra={"spider": self.crawler.spider}, ) ) - self._scrape_next(spider) + self._scrape_next() return dfd - def _scrape_next(self, spider: Spider) -> None: + def _scrape_next(self) -> None: assert self.slot is not None # typing while self.slot.queue: response, request, deferred = self.slot.next_response_request_deferred() - self._scrape(response, request, spider).chainDeferred(deferred) + self._scrape(response, request).chainDeferred(deferred) def _scrape( - self, result: Response | Failure, request: Request, spider: Spider + self, result: Response | Failure, request: Request ) -> _HandleOutputDeferred: """ Handle the downloaded response or failure through the spider callback/errback @@ -171,40 +193,49 @@ class Scraper: f"Incorrect type: expected Response or Failure, got {type(result)}: {result!r}" ) dfd: Deferred[Iterable[Any] | AsyncIterable[Any]] = self._scrape2( - result, request, spider + result, request ) # returns spider's processed output - dfd.addErrback(self.handle_spider_error, request, result, spider) + dfd.addErrback(self.handle_spider_error, request, result) dfd2: _HandleOutputDeferred = dfd.addCallback( - self.handle_spider_output, request, cast(Response, result), spider + self.handle_spider_output, request, cast(Response, result) ) return dfd2 def _scrape2( - self, result: Response | Failure, request: Request, spider: Spider + self, result: Response | Failure, request: Request ) -> Deferred[Iterable[Any] | AsyncIterable[Any]]: """ Handle the different cases of request's result been a Response or a Failure """ if isinstance(result, Response): # Deferreds are invariant so Mutable*Chain isn't matched to *Iterable + assert self.crawler.spider return self.spidermw.scrape_response( # type: ignore[return-value] - self.call_spider, result, request, spider + self.call_spider, result, request, self.crawler.spider ) # else result is a Failure - dfd = self.call_spider(result, request, spider) - dfd.addErrback(self._log_download_errors, result, request, spider) + dfd = self.call_spider(result, request) + dfd.addErrback(self._log_download_errors, result, request) return dfd def call_spider( - self, result: Response | Failure, request: Request, spider: Spider + self, result: Response | Failure, request: Request, spider: Spider | None = None ) -> Deferred[Iterable[Any] | AsyncIterable[Any]]: + if spider is not None: + warnings.warn( + "Passing a 'spider' argument to Scraper.call_spider() is deprecated.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) + + assert self.crawler.spider dfd: Deferred[Any] if isinstance(result, Response): if getattr(result, "request", None) is None: result.request = request assert result.request - callback = result.request.callback or spider._parse - warn_on_generator_with_return_value(spider, callback) + callback = result.request.callback or self.crawler.spider._parse + warn_on_generator_with_return_value(self.crawler.spider, callback) dfd = defer_succeed(result) dfd.addCallbacks( callback=callback, callbackKeywords=result.request.cb_kwargs @@ -214,7 +245,9 @@ class Scraper: result.request = request # type: ignore[attr-defined] dfd = defer_fail(result) if request.errback: - warn_on_generator_with_return_value(spider, request.errback) + warn_on_generator_with_return_value( + self.crawler.spider, request.errback + ) dfd.addErrback(request.errback) dfd2: Deferred[Iterable[Any] | AsyncIterable[Any]] = dfd.addCallback( iterate_spider_output @@ -226,29 +259,44 @@ class Scraper: _failure: Failure, request: Request, response: Response | Failure, - spider: Spider, + spider: Spider | None = None, ) -> None: + if spider is not None: + warnings.warn( + "Passing a 'spider' argument to Scraper.handle_spider_error() is deprecated.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) + + assert self.crawler.spider exc = _failure.value if isinstance(exc, CloseSpider): assert self.crawler.engine is not None # typing - self.crawler.engine.close_spider(spider, exc.reason or "cancelled") + self.crawler.engine.close_spider( + self.crawler.spider, exc.reason or "cancelled" + ) return - logkws = self.logformatter.spider_error(_failure, request, response, spider) + logkws = self.logformatter.spider_error( + _failure, request, response, self.crawler.spider + ) logger.log( *logformatter_adapter(logkws), exc_info=failure_to_exc_info(_failure), - extra={"spider": spider}, + extra={"spider": self.crawler.spider}, ) self.signals.send_catch_log( signal=signals.spider_error, failure=_failure, response=response, - spider=spider, + spider=self.crawler.spider, ) assert self.crawler.stats - self.crawler.stats.inc_value("spider_exceptions/count", spider=spider) self.crawler.stats.inc_value( - f"spider_exceptions/{_failure.value.__class__.__name__}", spider=spider + "spider_exceptions/count", spider=self.crawler.spider + ) + self.crawler.stats.inc_value( + f"spider_exceptions/{_failure.value.__class__.__name__}", + spider=self.crawler.spider, ) def handle_spider_output( @@ -256,41 +304,40 @@ class Scraper: result: Iterable[_T] | AsyncIterable[_T], request: Request, response: Response, - spider: Spider, + spider: Spider | None = None, ) -> _HandleOutputDeferred: + if spider is not None: + warnings.warn( + "Passing a 'spider' argument to Scraper.handle_spider_output() is deprecated.", + category=ScrapyDeprecationWarning, + stacklevel=2, + ) + if not result: return defer_succeed(None) it: Iterable[_T] | AsyncIterable[_T] dfd: Deferred[_ParallelResult] if isinstance(result, AsyncIterable): - it = aiter_errback( - result, self.handle_spider_error, request, response, spider - ) + it = aiter_errback(result, self.handle_spider_error, request, response) dfd = parallel_async( it, self.concurrent_items, self._process_spidermw_output, - request, response, - spider, ) else: - it = iter_errback( - result, self.handle_spider_error, request, response, spider - ) + it = iter_errback(result, self.handle_spider_error, request, response) dfd = parallel( it, self.concurrent_items, self._process_spidermw_output, - request, response, - spider, ) # returning Deferred[_ParallelResult] instead of Deferred[Union[_ParallelResult, None]] return dfd # type: ignore[return-value] def _process_spidermw_output( - self, output: Any, request: Request, response: Response, spider: Spider + self, output: Any, response: Response ) -> Deferred[Any] | None: """Process each Request/Item (given in the output parameter) returned from the given spider @@ -314,7 +361,7 @@ class Scraper: assert self.crawler.spider is not None # typing self.slot.itemproc_size += 1 dfd = self.itemproc.process_item(item, self.crawler.spider) - dfd.addBoth(self._itemproc_finished, item, response, self.crawler.spider) + dfd.addBoth(self._itemproc_finished, item, response) return dfd def _log_download_errors( @@ -322,7 +369,6 @@ class Scraper: spider_failure: Failure, download_failure: Failure, request: Request, - spider: Spider, ) -> Failure | None: """Log and silence errors that come from the engine (typically download errors that got propagated thru here). @@ -332,24 +378,25 @@ class Scraper: ExecutionEngine._handle_downloader_output() as "result" """ if not download_failure.check(IgnoreRequest): + assert self.crawler.spider if download_failure.frames: logkws = self.logformatter.download_error( - download_failure, request, spider + download_failure, request, self.crawler.spider ) logger.log( *logformatter_adapter(logkws), - extra={"spider": spider}, + extra={"spider": self.crawler.spider}, exc_info=failure_to_exc_info(download_failure), ) else: errmsg = download_failure.getErrorMessage() if errmsg: logkws = self.logformatter.download_error( - download_failure, request, spider, errmsg + download_failure, request, self.crawler.spider, errmsg ) logger.log( *logformatter_adapter(logkws), - extra={"spider": spider}, + extra={"spider": self.crawler.spider}, ) if spider_failure is not download_failure: @@ -357,41 +404,54 @@ class Scraper: return None def _itemproc_finished( - self, output: Any, item: Any, response: Response | None, spider: Spider + self, output: Any, item: Any, response: Response | None ) -> Deferred[Any]: """ItemProcessor finished for the given ``item`` and returned ``output``""" assert self.slot is not None # typing + assert self.crawler.spider self.slot.itemproc_size -= 1 if isinstance(output, Failure): ex = output.value if isinstance(ex, DropItem): - logkws = self.logformatter.dropped(item, ex, response, spider) + logkws = self.logformatter.dropped( + item, ex, response, self.crawler.spider + ) if logkws is not None: - logger.log(*logformatter_adapter(logkws), extra={"spider": spider}) + logger.log( + *logformatter_adapter(logkws), + extra={"spider": self.crawler.spider}, + ) return self.signals.send_catch_log_deferred( signal=signals.item_dropped, item=item, response=response, - spider=spider, + spider=self.crawler.spider, exception=output.value, ) assert ex - logkws = self.logformatter.item_error(item, ex, response, spider) + logkws = self.logformatter.item_error( + item, ex, response, self.crawler.spider + ) logger.log( *logformatter_adapter(logkws), - extra={"spider": spider}, + extra={"spider": self.crawler.spider}, exc_info=failure_to_exc_info(output), ) return self.signals.send_catch_log_deferred( signal=signals.item_error, item=item, response=response, - spider=spider, + spider=self.crawler.spider, failure=output, ) - logkws = self.logformatter.scraped(output, response, spider) + logkws = self.logformatter.scraped(output, response, self.crawler.spider) if logkws is not None: - logger.log(*logformatter_adapter(logkws), extra={"spider": spider}) + logger.log( + *logformatter_adapter(logkws), extra={"spider": self.crawler.spider} + ) return self.signals.send_catch_log_deferred( - signal=signals.item_scraped, item=output, response=response, spider=spider + signal=signals.item_scraped, + item=output, + response=response, + spider=self.crawler.spider, ) diff --git a/scrapy/core/spidermw.py b/scrapy/core/spidermw.py index 85a3b5895..b8b0aec44 100644 --- a/scrapy/core/spidermw.py +++ b/scrapy/core/spidermw.py @@ -40,7 +40,7 @@ logger = logging.getLogger(__name__) _T = TypeVar("_T") ScrapeFunc = Callable[ - [Union[Response, Failure], Request, Spider], Union[Iterable[_T], AsyncIterable[_T]] + [Union[Response, Failure], Request], Union[Iterable[_T], AsyncIterable[_T]] ] @@ -86,8 +86,8 @@ class SpiderMiddlewareManager(MiddlewareManager): except _InvalidOutput: raise except Exception: - return scrape_func(Failure(), request, spider) - return scrape_func(response, request, spider) + return scrape_func(Failure(), request) + return scrape_func(response, request) def _evaluate_iterable( self, diff --git a/tests/test_engine.py b/tests/test_engine.py index ba4c6dc40..8928e4daf 100644 --- a/tests/test_engine.py +++ b/tests/test_engine.py @@ -487,18 +487,17 @@ def test_request_scheduled_signal(caplog): if "drop" in request.url: raise IgnoreRequest - spider = MySpider() - crawler = get_crawler(spider.__class__) + crawler = get_crawler(MySpider) engine = ExecutionEngine(crawler, lambda _: None) engine.downloader._slot_gc_loop.stop() scheduler = TestScheduler() engine.slot = Slot((), None, Mock(), scheduler) crawler.signals.connect(signal_handler, request_scheduled) keep_request = Request("https://keep.example") - engine._schedule_request(keep_request, spider) + engine._schedule_request(keep_request) drop_request = Request("https://drop.example") caplog.set_level(DEBUG) - engine._schedule_request(drop_request, spider) + engine._schedule_request(drop_request) assert scheduler.enqueued == [keep_request], ( f"{scheduler.enqueued!r} != [{keep_request!r}]" ) From 23c206af35a8a7772d63cd63fdccee085dc38e40 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Thu, 1 May 2025 22:59:18 +0500 Subject: [PATCH 442/786] Improve test coverage of Scraper. --- scrapy/core/scraper.py | 32 +++++++----------- tests/test_crawl.py | 77 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 89 insertions(+), 20 deletions(-) diff --git a/scrapy/core/scraper.py b/scrapy/core/scraper.py index 2942dfa58..6f69d668e 100644 --- a/scrapy/core/scraper.py +++ b/scrapy/core/scraper.py @@ -374,32 +374,24 @@ class Scraper: errors that got propagated thru here). spider_failure: the value passed into the errback of self.call_spider() + (likely raised in the request errback) + download_failure: the value passed into _scrape2() from ExecutionEngine._handle_downloader_output() as "result" + (likely raised in the download handler or a downloader middleware) """ if not download_failure.check(IgnoreRequest): assert self.crawler.spider - if download_failure.frames: - logkws = self.logformatter.download_error( - download_failure, request, self.crawler.spider - ) - logger.log( - *logformatter_adapter(logkws), - extra={"spider": self.crawler.spider}, - exc_info=failure_to_exc_info(download_failure), - ) - else: - errmsg = download_failure.getErrorMessage() - if errmsg: - logkws = self.logformatter.download_error( - download_failure, request, self.crawler.spider, errmsg - ) - logger.log( - *logformatter_adapter(logkws), - extra={"spider": self.crawler.spider}, - ) - + logkws = self.logformatter.download_error( + download_failure, request, self.crawler.spider + ) + logger.log( + *logformatter_adapter(logkws), + extra={"spider": self.crawler.spider}, + exc_info=failure_to_exc_info(download_failure), + ) if spider_failure is not download_failure: + # a request errback raised a different exception, it needs to be handled later return spider_failure return None diff --git a/tests/test_crawl.py b/tests/test_crawl.py index f49deac1f..a8174d537 100644 --- a/tests/test_crawl.py +++ b/tests/test_crawl.py @@ -1,3 +1,5 @@ +from __future__ import annotations + import json import logging import unittest @@ -723,3 +725,78 @@ class TestCrawlSpider(TestCase): assert crawler.spider.meta[ "failure" ].value.response.headers == crawler.spider.meta.get("headers_received") + + @defer.inlineCallbacks + def test_spider_errback(self): + failures = [] + + def eb(failure: Failure) -> Failure: + failures.append(failure) + return failure + + crawler = get_crawler(SingleRequestSpider) + with LogCapture() as log: + yield crawler.crawl( + seed=self.mockserver.url("/status?n=400"), errback_func=eb + ) + assert len(failures) == 1 + assert "HTTP status code is not handled or not allowed" in str(log) + assert "Spider error processing" not in str(log) + + @defer.inlineCallbacks + def test_spider_errback_silence(self): + failures = [] + + def eb(failure: Failure) -> None: + failures.append(failure) + + crawler = get_crawler(SingleRequestSpider) + with LogCapture() as log: + yield crawler.crawl( + seed=self.mockserver.url("/status?n=400"), errback_func=eb + ) + assert len(failures) == 1 + assert "HTTP status code is not handled or not allowed" not in str(log) + assert "Spider error processing" not in str(log) + + @defer.inlineCallbacks + def test_spider_errback_exception(self): + def eb(failure: Failure) -> None: + raise ValueError("foo") + + crawler = get_crawler(SingleRequestSpider) + with LogCapture() as log: + yield crawler.crawl( + seed=self.mockserver.url("/status?n=400"), errback_func=eb + ) + assert "Spider error processing" in str(log) + + @defer.inlineCallbacks + def test_spider_errback_downloader_error(self): + failures = [] + + def eb(failure: Failure) -> Failure: + failures.append(failure) + return failure + + crawler = get_crawler(SingleRequestSpider) + with LogCapture() as log: + yield crawler.crawl( + seed=self.mockserver.url("/drop?abort=1"), errback_func=eb + ) + assert len(failures) == 1 + assert "Error downloading" in str(log) + assert "Spider error processing" not in str(log) + + @defer.inlineCallbacks + def test_spider_errback_exception_downloader_error(self): + def eb(failure: Failure) -> None: + raise ValueError("foo") + + crawler = get_crawler(SingleRequestSpider) + with LogCapture() as log: + yield crawler.crawl( + seed=self.mockserver.url("/drop?abort=1"), errback_func=eb + ) + assert "Error downloading" in str(log) + assert "Spider error processing" in str(log) From da9078c4bb942be8f55495d9a44ea522f3cdcbc4 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Thu, 1 May 2025 23:12:39 +0500 Subject: [PATCH 443/786] Add tests for raising CloseSpider in callbacks. --- tests/test_crawl.py | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) diff --git a/tests/test_crawl.py b/tests/test_crawl.py index a8174d537..b85f56909 100644 --- a/tests/test_crawl.py +++ b/tests/test_crawl.py @@ -16,7 +16,7 @@ from twisted.trial.unittest import TestCase from scrapy import signals from scrapy.crawler import CrawlerRunner -from scrapy.exceptions import StopDownload +from scrapy.exceptions import CloseSpider, StopDownload from scrapy.http import Request from scrapy.http.response import Response from scrapy.utils.python import to_unicode @@ -800,3 +800,25 @@ class TestCrawlSpider(TestCase): ) assert "Error downloading" in str(log) assert "Spider error processing" in str(log) + + @defer.inlineCallbacks + def test_raise_closespider(self): + def cb(response): + raise CloseSpider + + crawler = get_crawler(SingleRequestSpider) + with LogCapture() as log: + yield crawler.crawl(seed=self.mockserver.url("/"), callback_func=cb) + assert "Closing spider (cancelled)" in str(log) + assert "Spider error processing" not in str(log) + + @defer.inlineCallbacks + def test_raise_closespider_reason(self): + def cb(response): + raise CloseSpider("my_reason") + + crawler = get_crawler(SingleRequestSpider) + with LogCapture() as log: + yield crawler.crawl(seed=self.mockserver.url("/"), callback_func=cb) + assert "Closing spider (my_reason)" in str(log) + assert "Spider error processing" not in str(log) From 5dfe7cd7b87ffc8bb287934fa3d6ffbcd63da332 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 5 May 2025 11:36:52 +0400 Subject: [PATCH 444/786] Improve tests for start items. (#6770) --- tests/test_crawl.py | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/tests/test_crawl.py b/tests/test_crawl.py index b85f56909..b7a8a9628 100644 --- a/tests/test_crawl.py +++ b/tests/test_crawl.py @@ -188,11 +188,18 @@ class TestCrawl(TestCase): @defer.inlineCallbacks def test_start_requests_items(self): + items = [] + + def _on_item_scraped(item): + items.append(item) + with LogCapture("scrapy", level=logging.ERROR) as log: crawler = get_crawler(StartRequestsItemSpider) + crawler.signals.connect(_on_item_scraped, signals.item_scraped) yield crawler.crawl(mockserver=self.mockserver) assert len(log.records) == 0 + assert items == [{"name": "test item"}] @defer.inlineCallbacks def test_start_requests_unsupported_output(self): @@ -201,11 +208,19 @@ class TestCrawl(TestCase): things fail when ItemAdapter is actually used on the corresponding non-item object.""" + items = [] + + def _on_item_scraped(item): + items.append(item) + with LogCapture("scrapy", level=logging.ERROR) as log: crawler = get_crawler(StartRequestsGoodAndBadOutput) + crawler.signals.connect(_on_item_scraped, signals.item_scraped) yield crawler.crawl(mockserver=self.mockserver) assert len(log.records) == 0 + assert len(items) == 3 + assert not any(isinstance(item, Request) for item in items) @defer.inlineCallbacks def test_start_requests_laziness(self): From ff1ac75c9ef538b49212dbb1d4112b3653efab12 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 5 May 2025 11:37:38 +0400 Subject: [PATCH 445/786] Fix shutdown tests. (#6772) --- tests/CrawlerProcess/sleeping.py | 4 +++- tests/test_crawler.py | 4 ++-- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/tests/CrawlerProcess/sleeping.py b/tests/CrawlerProcess/sleeping.py index 45479ea4f..cb8f869e1 100644 --- a/tests/CrawlerProcess/sleeping.py +++ b/tests/CrawlerProcess/sleeping.py @@ -1,3 +1,5 @@ +import sys + from twisted.internet.defer import Deferred import scrapy @@ -14,7 +16,7 @@ class SleepingSpider(scrapy.Spider): from twisted.internet import reactor d = Deferred() - reactor.callLater(int(self.sleep), d.callback, None) + reactor.callLater(int(sys.argv[1]), d.callback, None) await maybe_deferred_to_future(d) diff --git a/tests/test_crawler.py b/tests/test_crawler.py index 6c465f000..efb346dde 100644 --- a/tests/test_crawler.py +++ b/tests/test_crawler.py @@ -890,7 +890,7 @@ class TestCrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): def test_shutdown_graceful(self): sig = signal.SIGINT if sys.platform != "win32" else signal.SIGBREAK - args = self.get_script_args("sleeping.py", "-a", "sleep=3") + args = self.get_script_args("sleeping.py", "3") p = PopenSpawn(args, timeout=5) p.expect_exact("Spider opened") p.expect_exact("Crawled (200)") @@ -904,7 +904,7 @@ class TestCrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): from twisted.internet import reactor sig = signal.SIGINT if sys.platform != "win32" else signal.SIGBREAK - args = self.get_script_args("sleeping.py", "-a", "sleep=10") + args = self.get_script_args("sleeping.py", "10") p = PopenSpawn(args, timeout=5) p.expect_exact("Spider opened") p.expect_exact("Crawled (200)") From 2a1edbd473e47b15183e57d975d71db0cb3a2197 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 5 May 2025 11:44:17 +0400 Subject: [PATCH 446/786] Remove usages of TestCase._wait(). (#6773) --- tests/test_downloadermiddleware.py | 146 +++++++++++++---------------- tests/test_spidermiddleware.py | 53 ++++++----- 2 files changed, 90 insertions(+), 109 deletions(-) diff --git a/tests/test_downloadermiddleware.py b/tests/test_downloadermiddleware.py index 8e718ad5b..408160ccb 100644 --- a/tests/test_downloadermiddleware.py +++ b/tests/test_downloadermiddleware.py @@ -1,17 +1,18 @@ +from __future__ import annotations + import asyncio from gzip import BadGzipFile from unittest import mock import pytest -from twisted.internet import defer -from twisted.internet.defer import Deferred -from twisted.python.failure import Failure +from twisted.internet.defer import Deferred, succeed from twisted.trial.unittest import TestCase from scrapy.core.downloader.middleware import DownloaderMiddlewareManager from scrapy.exceptions import _InvalidOutput from scrapy.http import Request, Response from scrapy.spiders import Spider +from scrapy.utils.defer import deferred_f_from_coro_f, maybe_deferred_to_future from scrapy.utils.python import to_bytes from scrapy.utils.test import get_crawler, get_from_asyncio_queue @@ -29,38 +30,36 @@ class TestManagerBase(TestCase): def tearDown(self): return self.crawler.engine.close_spider(self.spider) - def _download(self, request, response=None): + async def _download( + self, request: Request, response: Response | None = None + ) -> Response | Request: """Executes downloader mw manager's download method and returns - the result (Request or Response) or raise exception in case of + the result (Request or Response) or raises exception in case of failure. """ if not response: response = Response(request.url) - def download_func(request, spider): - return response + def download_func(request: Request, spider: Spider) -> Deferred[Response]: + return succeed(response) - dfd = self.mwman.download(download_func, request, self.spider) - # catch deferred result and return the value - results = [] - dfd.addBoth(results.append) - self._wait(dfd) - ret = results[0] - if isinstance(ret, Failure): - ret.raiseException() - return ret + return await maybe_deferred_to_future( + self.mwman.download(download_func, request, self.spider) + ) class TestDefaults(TestManagerBase): """Tests default behavior with default settings""" - def test_request_response(self): + @deferred_f_from_coro_f + async def test_request_response(self): req = Request("http://example.com/index.html") resp = Response(req.url, status=200) - ret = self._download(req, resp) + ret = await self._download(req, resp) assert isinstance(ret, Response), "Non-response returned" - def test_3xx_and_invalid_gzipped_body_must_redirect(self): + @deferred_f_from_coro_f + async def test_3xx_and_invalid_gzipped_body_must_redirect(self): """Regression test for a failure when redirecting a compressed request. @@ -85,13 +84,14 @@ class TestDefaults(TestManagerBase): "Location": "http://example.com/login", }, ) - ret = self._download(request=req, response=resp) + ret = await self._download(req, resp) assert isinstance(ret, Request), f"Not redirected: {ret!r}" assert to_bytes(ret.url) == resp.headers["Location"], ( "Not redirected to location header" ) - def test_200_and_invalid_gzipped_body_must_fail(self): + @deferred_f_from_coro_f + async def test_200_and_invalid_gzipped_body_must_fail(self): req = Request("http://example.com") body = b"

You are being redirected

" resp = Response( @@ -106,13 +106,14 @@ class TestDefaults(TestManagerBase): }, ) with pytest.raises(BadGzipFile): - self._download(request=req, response=resp) + await self._download(req, resp) class TestResponseFromProcessRequest(TestManagerBase): """Tests middleware returning a response from process_request.""" - def test_download_func_not_called(self): + @deferred_f_from_coro_f + async def test_download_func_not_called(self): resp = Response("http://example.com/index.html") class ResponseMiddleware: @@ -123,19 +124,17 @@ class TestResponseFromProcessRequest(TestManagerBase): req = Request("http://example.com/index.html") download_func = mock.MagicMock() - dfd = self.mwman.download(download_func, req, self.spider) - results = [] - dfd.addBoth(results.append) - self._wait(dfd) - - assert results[0] is resp + result = await maybe_deferred_to_future( + self.mwman.download(download_func, req, self.spider) + ) + assert result is resp assert not download_func.called -class TestProcessRequestInvalidOutput(TestManagerBase): - """Invalid return value for process_request method should raise an exception""" - - def test_invalid_process_request(self): +class TestInvalidOutput(TestManagerBase): + @deferred_f_from_coro_f + async def test_invalid_process_request(self): + """Invalid return value for process_request method should raise an exception""" req = Request("http://example.com/index.html") class InvalidProcessRequestMiddleware: @@ -143,18 +142,12 @@ class TestProcessRequestInvalidOutput(TestManagerBase): return 1 self.mwman._add_middleware(InvalidProcessRequestMiddleware()) - download_func = mock.MagicMock() - dfd = self.mwman.download(download_func, req, self.spider) - results = [] - dfd.addBoth(results.append) - assert isinstance(results[0], Failure) - assert isinstance(results[0].value, _InvalidOutput) + with pytest.raises(_InvalidOutput): + await self._download(req) - -class TestProcessResponseInvalidOutput(TestManagerBase): - """Invalid return value for process_response method should raise an exception""" - - def test_invalid_process_response(self): + @deferred_f_from_coro_f + async def test_invalid_process_response(self): + """Invalid return value for process_response method should raise an exception""" req = Request("http://example.com/index.html") class InvalidProcessResponseMiddleware: @@ -162,18 +155,12 @@ class TestProcessResponseInvalidOutput(TestManagerBase): return 1 self.mwman._add_middleware(InvalidProcessResponseMiddleware()) - download_func = mock.MagicMock() - dfd = self.mwman.download(download_func, req, self.spider) - results = [] - dfd.addBoth(results.append) - assert isinstance(results[0], Failure) - assert isinstance(results[0].value, _InvalidOutput) + with pytest.raises(_InvalidOutput): + await self._download(req) - -class TestProcessExceptionInvalidOutput(TestManagerBase): - """Invalid return value for process_exception method should raise an exception""" - - def test_invalid_process_exception(self): + @deferred_f_from_coro_f + async def test_invalid_process_exception(self): + """Invalid return value for process_exception method should raise an exception""" req = Request("http://example.com/index.html") class InvalidProcessExceptionMiddleware: @@ -184,18 +171,15 @@ class TestProcessExceptionInvalidOutput(TestManagerBase): return 1 self.mwman._add_middleware(InvalidProcessExceptionMiddleware()) - download_func = mock.MagicMock() - dfd = self.mwman.download(download_func, req, self.spider) - results = [] - dfd.addBoth(results.append) - assert isinstance(results[0], Failure) - assert isinstance(results[0].value, _InvalidOutput) + with pytest.raises(_InvalidOutput): + await self._download(req) class TestMiddlewareUsingDeferreds(TestManagerBase): """Middlewares using Deferreds should work""" - def test_deferred(self): + @deferred_f_from_coro_f + async def test_deferred(self): resp = Response("http://example.com/index.html") class DeferredMiddleware: @@ -211,12 +195,10 @@ class TestMiddlewareUsingDeferreds(TestManagerBase): self.mwman._add_middleware(DeferredMiddleware()) req = Request("http://example.com/index.html") download_func = mock.MagicMock() - dfd = self.mwman.download(download_func, req, self.spider) - results = [] - dfd.addBoth(results.append) - self._wait(dfd) - - assert results[0] is resp + result = await maybe_deferred_to_future( + self.mwman.download(download_func, req, self.spider) + ) + assert result is resp assert not download_func.called @@ -224,27 +206,27 @@ class TestMiddlewareUsingDeferreds(TestManagerBase): class TestMiddlewareUsingCoro(TestManagerBase): """Middlewares using asyncio coroutines should work""" - def test_asyncdef(self): + @deferred_f_from_coro_f + async def test_asyncdef(self): resp = Response("http://example.com/index.html") class CoroMiddleware: async def process_request(self, request, spider): - await defer.succeed(42) + await succeed(42) return resp self.mwman._add_middleware(CoroMiddleware()) req = Request("http://example.com/index.html") download_func = mock.MagicMock() - dfd = self.mwman.download(download_func, req, self.spider) - results = [] - dfd.addBoth(results.append) - self._wait(dfd) - - assert results[0] is resp + result = await maybe_deferred_to_future( + self.mwman.download(download_func, req, self.spider) + ) + assert result is resp assert not download_func.called @pytest.mark.only_asyncio - def test_asyncdef_asyncio(self): + @deferred_f_from_coro_f + async def test_asyncdef_asyncio(self): resp = Response("http://example.com/index.html") class CoroMiddleware: @@ -255,10 +237,8 @@ class TestMiddlewareUsingCoro(TestManagerBase): self.mwman._add_middleware(CoroMiddleware()) req = Request("http://example.com/index.html") download_func = mock.MagicMock() - dfd = self.mwman.download(download_func, req, self.spider) - results = [] - dfd.addBoth(results.append) - self._wait(dfd) - - assert results[0] is resp + result = await maybe_deferred_to_future( + self.mwman.download(download_func, req, self.spider) + ) + assert result is resp assert not download_func.called diff --git a/tests/test_spidermiddleware.py b/tests/test_spidermiddleware.py index ddc9b5206..1d671134e 100644 --- a/tests/test_spidermiddleware.py +++ b/tests/test_spidermiddleware.py @@ -1,12 +1,12 @@ from __future__ import annotations from collections.abc import AsyncIterator, Iterable +from typing import Any from unittest import mock import pytest from testfixtures import LogCapture from twisted.internet import defer -from twisted.python.failure import Failure from twisted.trial.unittest import TestCase from scrapy.core.spidermw import SpiderMiddlewareManager @@ -14,7 +14,11 @@ from scrapy.exceptions import _InvalidOutput from scrapy.http import Request, Response from scrapy.spiders import Spider from scrapy.utils.asyncgen import collect_asyncgen -from scrapy.utils.defer import deferred_from_coro, maybe_deferred_to_future +from scrapy.utils.defer import ( + deferred_f_from_coro_f, + deferred_from_coro, + maybe_deferred_to_future, +) from scrapy.utils.test import get_crawler @@ -26,53 +30,51 @@ class TestSpiderMiddleware(TestCase): self.spider = self.crawler._create_spider("foo") self.mwman = SpiderMiddlewareManager.from_crawler(self.crawler) - def _scrape_response(self): + async def _scrape_response(self) -> Any: """Execute spider mw manager's scrape_response method and return the result. Raise exception in case of failure. """ scrape_func = mock.MagicMock() - dfd = self.mwman.scrape_response( - scrape_func, self.response, self.request, self.spider + return await maybe_deferred_to_future( + self.mwman.scrape_response( + scrape_func, self.response, self.request, self.spider + ) ) - # catch deferred result and return the value - results = [] - dfd.addBoth(results.append) - self._wait(dfd) - return results[0] class TestProcessSpiderInputInvalidOutput(TestSpiderMiddleware): """Invalid return value for process_spider_input method""" - def test_invalid_process_spider_input(self): + @deferred_f_from_coro_f + async def test_invalid_process_spider_input(self): class InvalidProcessSpiderInputMiddleware: def process_spider_input(self, response, spider): return 1 self.mwman._add_middleware(InvalidProcessSpiderInputMiddleware()) - result = self._scrape_response() - assert isinstance(result, Failure) - assert isinstance(result.value, _InvalidOutput) + with pytest.raises(_InvalidOutput): + await self._scrape_response() class TestProcessSpiderOutputInvalidOutput(TestSpiderMiddleware): """Invalid return value for process_spider_output method""" - def test_invalid_process_spider_output(self): + @deferred_f_from_coro_f + async def test_invalid_process_spider_output(self): class InvalidProcessSpiderOutputMiddleware: def process_spider_output(self, response, result, spider): return 1 self.mwman._add_middleware(InvalidProcessSpiderOutputMiddleware()) - result = self._scrape_response() - assert isinstance(result, Failure) - assert isinstance(result.value, _InvalidOutput) + with pytest.raises(_InvalidOutput): + await self._scrape_response() class TestProcessSpiderExceptionInvalidOutput(TestSpiderMiddleware): """Invalid return value for process_spider_exception method""" - def test_invalid_process_spider_exception(self): + @deferred_f_from_coro_f + async def test_invalid_process_spider_exception(self): class InvalidProcessSpiderOutputExceptionMiddleware: def process_spider_exception(self, response, exception, spider): return 1 @@ -83,15 +85,15 @@ class TestProcessSpiderExceptionInvalidOutput(TestSpiderMiddleware): self.mwman._add_middleware(InvalidProcessSpiderOutputExceptionMiddleware()) self.mwman._add_middleware(RaiseExceptionProcessSpiderOutputMiddleware()) - result = self._scrape_response() - assert isinstance(result, Failure) - assert isinstance(result.value, _InvalidOutput) + with pytest.raises(_InvalidOutput): + await self._scrape_response() class TestProcessSpiderExceptionReRaise(TestSpiderMiddleware): """Re raise the exception by returning None""" - def test_process_spider_exception_return_none(self): + @deferred_f_from_coro_f + async def test_process_spider_exception_return_none(self): class ProcessSpiderExceptionReturnNoneMiddleware: def process_spider_exception(self, response, exception, spider): return None @@ -102,9 +104,8 @@ class TestProcessSpiderExceptionReRaise(TestSpiderMiddleware): self.mwman._add_middleware(ProcessSpiderExceptionReturnNoneMiddleware()) self.mwman._add_middleware(RaiseExceptionProcessSpiderOutputMiddleware()) - result = self._scrape_response() - assert isinstance(result, Failure) - assert isinstance(result.value, ZeroDivisionError) + with pytest.raises(ZeroDivisionError): + await self._scrape_response() class TestBaseAsyncSpiderMiddleware(TestSpiderMiddleware): From 509b572efc85ac8ef96224d560a8851322a3f606 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 5 May 2025 11:51:53 +0400 Subject: [PATCH 447/786] Migrate the build system to hatchling. (#6771) --- MANIFEST.in | 22 ---------------------- pyproject.toml | 45 ++++++++++++++++++++++++++++++--------------- 2 files changed, 30 insertions(+), 37 deletions(-) delete mode 100644 MANIFEST.in diff --git a/MANIFEST.in b/MANIFEST.in deleted file mode 100644 index 7700ae7bd..000000000 --- a/MANIFEST.in +++ /dev/null @@ -1,22 +0,0 @@ -include CODE_OF_CONDUCT.md -include CONTRIBUTING.md -include INSTALL.md -include NEWS -include SECURITY.md - -include scrapy/VERSION -include scrapy/mime.types -include scrapy/py.typed - -include codecov.yml -include conftest.py -include tox.ini - -recursive-include scrapy/templates * -recursive-include docs * -prune docs/build - -recursive-include extras * -recursive-include tests * - -global-exclude __pycache__ *.py[cod] diff --git a/pyproject.toml b/pyproject.toml index 84bf41a94..e14efdd17 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -1,6 +1,6 @@ [build-system] -requires = ["setuptools >= 61.0"] -build-backend = "setuptools.build_meta" +requires = ["hatchling>=1.27.0"] +build-backend = "hatchling.build" [project] name = "Scrapy" @@ -10,29 +10,28 @@ dependencies = [ "Twisted>=21.7.0", "cryptography>=37.0.0", "cssselect>=0.9.1", + "defusedxml>=0.7.1", + "itemadapter>=0.1.0", "itemloaders>=1.0.1", + "lxml>=4.6.0", + "packaging", "parsel>=1.5.0", + "protego>=0.1.15", "pyOpenSSL>=22.0.0", "queuelib>=1.4.2", "service_identity>=18.1.0", + "tldextract", "w3lib>=1.17.0", "zope.interface>=5.1.0", - "protego>=0.1.15", - "itemadapter>=0.1.0", - "packaging", - "tldextract", - "lxml>=4.6.0", - "defusedxml>=0.7.1", # Platform-specific dependencies 'PyDispatcher>=2.0.5; platform_python_implementation == "CPython"', 'PyPyDispatcher>=2.1.0; platform_python_implementation == "PyPy"', ] classifiers = [ - "Framework :: Scrapy", "Development Status :: 5 - Production/Stable", "Environment :: Console", + "Framework :: Scrapy", "Intended Audience :: Developers", - "License :: OSI Approved :: BSD License", "Operating System :: OS Independent", "Programming Language :: Python", "Programming Language :: Python :: 3", @@ -47,6 +46,8 @@ classifiers = [ "Topic :: Software Development :: Libraries :: Application Frameworks", "Topic :: Software Development :: Libraries :: Python Modules", ] +license = "BSD-3-Clause" +license-files = ["LICENSE", "AUTHORS"] readme = "README.rst" requires-python = ">=3.9" authors = [{ name = "Scrapy developers", email = "pablo@pablohoffman.com" }] @@ -63,12 +64,26 @@ releasenotes = "https://docs.scrapy.org/en/latest/news.html" [project.scripts] scrapy = "scrapy.cmdline:execute" -[tool.setuptools.packages.find] -where = ["."] -include = ["scrapy", "scrapy.*",] +[tool.hatch.build.targets.sdist] +include = [ + "/docs", + "/extras", + "/scrapy", + "/tests", + "/tests_typing", + "/CODE_OF_CONDUCT.md", + "/CONTRIBUTING.md", + "/INSTALL.md", + "/NEWS", + "/SECURITY.md", + "/codecov.yml", + "/conftest.py", + "/tox.ini", +] -[tool.setuptools.dynamic] -version = {file = "./scrapy/VERSION"} +[tool.hatch.version] +path = "scrapy/VERSION" +pattern = "^(?P.+)$" [tool.mypy] ignore_missing_imports = true From b93290f28affdc0bdd780672ec1adb9d7def4940 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 5 May 2025 19:38:04 +0500 Subject: [PATCH 448/786] Add a list of Deferred-only APIs. --- docs/topics/coroutines.rst | 95 ++++++++++++++++++++++++++++++++++++-- 1 file changed, 90 insertions(+), 5 deletions(-) diff --git a/docs/topics/coroutines.rst b/docs/topics/coroutines.rst index 1c80857f6..439474310 100644 --- a/docs/topics/coroutines.rst +++ b/docs/topics/coroutines.rst @@ -62,18 +62,103 @@ In addition to native coroutine APIs Scrapy has some APIs that return a :class:`~twisted.internet.defer.Deferred` object or take a user-supplied function that returns a :class:`~twisted.internet.defer.Deferred` object. These APIs are also asynchronous but don't yet support native ``async def`` syntax. -For example: +In the future we plan to add support for the ``async def`` syntax to these APIs +or replace them with other APIs where changing the existing ones is +possible. -- The :meth:`ExecutionEngine.download` method returns a - :class:`~twisted.internet.defer.Deferred` object. -- A custom download handler needs to define a ``download_request()`` method that - returns a :class:`~twisted.internet.defer.Deferred` object. +The following Scrapy methods return :class:`~twisted.internet.defer.Deferred` +objects (this list is not complete as it only includes methods that we think +may be useful for user code): + +- :class:`scrapy.crawler.Crawler`: + + - :meth:`~scrapy.crawler.Crawler.crawl` + + - :meth:`~scrapy.crawler.Crawler.stop` + +- :class:`scrapy.crawler.CrawlerRunner` (also inherited by + :class:`scrapy.crawler.CrawlerProcess`): + + - :meth:`~scrapy.crawler.CrawlerRunner.crawl` + + - :meth:`~scrapy.crawler.CrawlerRunner.stop` + + - :meth:`~scrapy.crawler.CrawlerRunner.join` + +- :class:`scrapy.core.engine.ExecutionEngine`: + + - :meth:`~scrapy.core.engine.ExecutionEngine.download` + +- :class:`scrapy.signalmanager.SignalManager`: + + - :meth:`~scrapy.signalmanager.SignalManager.send_catch_log_deferred` + +- :class:`~scrapy.mail.MailSender` + + - :meth:`~scrapy.mail.MailSender.send` + +The following user-supplied methods can return +:class:`~twisted.internet.defer.Deferred` objects (the methods that can also +return coroutines are listed in :ref:`coroutine-support`): + +- Custom download handlers (see :setting:`DOWNLOAD_HANDLERS`): + + - ``download_request()`` + + - ``close()`` + +- Custom downloader implementations (see :setting:`DOWNLOADER`): + + - ``fetch()`` + +- Custom scheduler implementations (see :setting:`SCHEDULER`): + + - :meth:`~scrapy.core.scheduler.BaseScheduler.open` + + - :meth:`~scrapy.core.scheduler.BaseScheduler.close` + +- Custom dupefilters (see :setting:`DUPEFILTER_CLASS`): + + - ``open()`` + + - ``close()`` + +- Custom feed storages (see :setting:`FEED_STORAGES`): + + - ``store()`` + +- Subclasses of :class:`scrapy.pipelines.media.MediaPipeline`: + + - ``media_to_download()`` + + - ``item_completed()`` + +- Custom storages used by subclasses of + :class:`scrapy.pipelines.files.FilesPipeline`: + + - ``persist_file()`` + + - ``stat_file()`` In most cases you can use these APIs in code that otherwise uses coroutines, by wrapping a :class:`~twisted.internet.defer.Deferred` object into a :class:`~asyncio.Future` object or vice versa. See :ref:`asyncio-await-dfd` for more information about this. +For example: + +- The :meth:`ExecutionEngine.download() + ` method returns a + :class:`~twisted.internet.defer.Deferred` object that fires with the + downloaded response. You can use this object directly in Deferred-based + code or convert it into a :class:`~asyncio.Future` object with + :func:`~scrapy.utils.defer.maybe_deferred_to_future`. +- A custom download handler needs to define a ``download_request()`` method + that returns a :class:`~twisted.internet.defer.Deferred` object. You can + write a method that works with Deferreds and returns one directly, or you + can write a coroutine and convert it into a functions that returns a + Deferred with :func:`~scrapy.utils.defer.deferred_f_from_coro_f`. + General usage ============= From 523fc25c4d7550d721e8160f4f09cb61f94d53d2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Mon, 5 May 2025 18:51:15 +0200 Subject: [PATCH 449/786] Document default values set by startproject (#6775) --- docs/topics/feed-exports.rst | 10 +++++----- docs/topics/settings.rst | 23 +++++++++++++++-------- 2 files changed, 20 insertions(+), 13 deletions(-) diff --git a/docs/topics/feed-exports.rst b/docs/topics/feed-exports.rst index 7f401f0c7..2184f2d0e 100644 --- a/docs/topics/feed-exports.rst +++ b/docs/topics/feed-exports.rst @@ -539,18 +539,18 @@ as a fallback value if that key is not provided for a specific feed definition: FEED_EXPORT_ENCODING -------------------- -Default: ``None`` +Default: ``"utf-8"`` (:ref:`fallback `: ``None``) The encoding to be used for the feed. -If unset or set to ``None`` (default) it uses UTF-8 for everything except JSON output, -which uses safe numeric encoding (``\uXXXX`` sequences) for historic reasons. +If set to ``None``, it uses UTF-8 for everything except JSON output, which uses +safe numeric encoding (``\uXXXX`` sequences) for historic reasons. -Use ``utf-8`` if you want UTF-8 for JSON too. +Use ``"utf-8"`` if you want UTF-8 for JSON too. .. versionchanged:: 2.8 The :command:`startproject` command now sets this setting to - ``utf-8`` in the generated ``settings.py`` file. + ``"utf-8"`` in the generated ``settings.py`` file. .. setting:: FEED_EXPORT_FIELDS diff --git a/docs/topics/settings.rst b/docs/topics/settings.rst index a59a61050..3a61306d6 100644 --- a/docs/topics/settings.rst +++ b/docs/topics/settings.rst @@ -162,8 +162,17 @@ Those command-specific default settings are specified in the 6. Default global settings -------------------------- -The global defaults are located in the ``scrapy.settings.default_settings`` -module and documented in the :ref:`topics-settings-ref` section. +The ``scrapy.settings.default_settings`` module defines global default values +for some :ref:`built-in settings `. + +.. note:: :command:`startproject` generates a ``settings.py`` file that sets + some settings to different values. + + The reference documentation of settings indicates the default value if one + exists. If :command:`startproject` sets a value, that value is documented + as default, and the value from ``scrapy.settings.default_settings`` is + documented as “fallback”. + Compatibility with pickle ========================= @@ -461,7 +470,7 @@ Note that the event loop class must inherit from :class:`asyncio.AbstractEventLo BOT_NAME -------- -Default: ``'scrapybot'`` +Default: ```` (:ref:`fallback `: ``'scrapybot'``) The name of the bot implemented by this Scrapy project (also known as the project name). This name will be used for the logging too. @@ -1563,7 +1572,7 @@ email notifying about it. If zero, no warning will be produced. NEWSPIDER_MODULE ---------------- -Default: ``''`` +Default: ``".spiders"`` (:ref:`fallback `: ``""``) Module where to create new spiders using the :command:`genspider` command. @@ -1622,9 +1631,7 @@ Adjust redirect request priority relative to original request: ROBOTSTXT_OBEY -------------- -Default: ``False`` - -Scope: ``scrapy.downloadermiddlewares.robotstxt`` +Default: ``True`` (:ref:`fallback `: ``False``) If enabled, Scrapy will respect robots.txt policies. For more information see :ref:`topics-dlmw-robots`. @@ -1838,7 +1845,7 @@ the spider. For more info see :ref:`topics-spider-middleware-setting`. SPIDER_MODULES -------------- -Default: ``[]`` +Default: ``[".spiders"]`` (:ref:`fallback `: ``[]``) A list of modules where Scrapy will look for spiders. From acb5f895cd0b0f63f3dafdd3025b314830ab4a67 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 5 May 2025 22:28:36 +0500 Subject: [PATCH 450/786] Update docs/topics/coroutines.rst MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Co-authored-by: Adrián Chaves --- docs/topics/coroutines.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/topics/coroutines.rst b/docs/topics/coroutines.rst index 439474310..8af4ce71d 100644 --- a/docs/topics/coroutines.rst +++ b/docs/topics/coroutines.rst @@ -156,7 +156,7 @@ For example: - A custom download handler needs to define a ``download_request()`` method that returns a :class:`~twisted.internet.defer.Deferred` object. You can write a method that works with Deferreds and returns one directly, or you - can write a coroutine and convert it into a functions that returns a + can write a coroutine and convert it into a function that returns a Deferred with :func:`~scrapy.utils.defer.deferred_f_from_coro_f`. From 4899d416e701c4d405fdc77fa2ba31327541f292 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Tue, 6 May 2025 14:31:28 +0400 Subject: [PATCH 451/786] Add PyPy 3.11 to CI. (#6697) --- .github/workflows/tests-ubuntu.yml | 5 ++++- tox.ini | 4 ++-- 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/.github/workflows/tests-ubuntu.yml b/.github/workflows/tests-ubuntu.yml index 34819f227..06da46ca1 100644 --- a/.github/workflows/tests-ubuntu.yml +++ b/.github/workflows/tests-ubuntu.yml @@ -38,6 +38,9 @@ jobs: - python-version: pypy3.10 env: TOXENV: pypy3 + - python-version: pypy3.11 + env: + TOXENV: pypy3 # pinned deps - python-version: "3.9.21" @@ -59,7 +62,7 @@ jobs: - python-version: "3.13" env: TOXENV: extra-deps - - python-version: pypy3.10 + - python-version: pypy3.11 env: TOXENV: pypy3-extra-deps - python-version: "3.13" diff --git a/tox.ini b/tox.ini index 59572442d..e63e44189 100644 --- a/tox.ini +++ b/tox.ini @@ -143,7 +143,7 @@ deps = google-cloud-storage ipython robotexclusionrulesparser - uvloop; platform_system != "Windows" + uvloop; platform_system != "Windows" and implementation_name != "pypy" zstandard; implementation_name != "pypy" # optional for HTTP compress downloader middleware tests [testenv:extra-deps-pinned] @@ -159,7 +159,7 @@ deps = google-cloud-storage==1.29.0 ipython==2.0.0 robotexclusionrulesparser==1.6.2 - uvloop==0.14.0; platform_system != "Windows" + uvloop==0.14.0; platform_system != "Windows" and implementation_name != "pypy" zstandard==0.1; implementation_name != "pypy" install_command = {[pinned]install_command} setenv = From 373e501f78703e9fae2b9e970071052a13b1a18e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 7 May 2025 16:11:22 +0200 Subject: [PATCH 452/786] Link to scrapy.org from the docs (#6780) --- docs/_templates/layout.html | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 docs/_templates/layout.html diff --git a/docs/_templates/layout.html b/docs/_templates/layout.html new file mode 100644 index 000000000..6ec565e24 --- /dev/null +++ b/docs/_templates/layout.html @@ -0,0 +1,23 @@ +{% extends "!layout.html" %} + +{# Overriden to include a link to scrapy.org, not just to the docs root #} +{%- block sidebartitle %} + +{# the logo helper function was removed in Sphinx 6 and deprecated since Sphinx 4 #} +{# the master_doc variable was renamed to root_doc in Sphinx 4 (master_doc still exists in later Sphinx versions) #} +{%- set _logo_url = logo_url|default(pathto('_static/' + (logo or ""), 1)) %} +{%- set _root_doc = root_doc|default(master_doc) %} +scrapy.org / docs + +{%- if READTHEDOCS or DEBUG %} + {%- if theme_version_selector or theme_language_selector %} +
+
+
+
+ {%- endif %} +{%- endif %} + +{%- include "searchbox.html" %} + +{%- endblock %} From 036f3e562716aaf67a4d0ff1c8011281394ef240 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 7 May 2025 19:04:03 +0200 Subject: [PATCH 453/786] Support asynchronous start requests (#6729) --- docs/faq.rst | 24 +- docs/intro/tutorial.rst | 39 +- docs/news.rst | 133 ++++++- docs/topics/api.rst | 6 + docs/topics/architecture.rst | 2 +- docs/topics/components.rst | 4 + docs/topics/coroutines.rst | 28 +- docs/topics/jobs.rst | 6 +- docs/topics/request-response.rst | 10 +- docs/topics/scheduler.rst | 8 +- docs/topics/settings.rst | 62 ++- docs/topics/signals.rst | 19 +- docs/topics/spider-middleware.rst | 46 ++- docs/topics/spiders.rst | 119 +++--- docs/topics/telnetconsole.rst | 12 +- extras/qpsclient.py | 4 + pyproject.toml | 4 +- scrapy/commands/bench.py | 8 +- scrapy/commands/check.py | 10 +- scrapy/commands/fetch.py | 8 +- scrapy/commands/parse.py | 6 +- scrapy/commands/shell.py | 4 +- scrapy/core/engine.py | 248 +++++++----- scrapy/core/scheduler.py | 287 ++++++++++---- scrapy/core/scraper.py | 333 ++++++++-------- scrapy/core/spidermw.py | 203 ++++++++-- scrapy/crawler.py | 8 +- scrapy/extensions/telnet.py | 1 - scrapy/http/request/__init__.py | 12 +- scrapy/logformatter.py | 2 +- scrapy/pqueues.py | 126 ++++-- scrapy/settings/default_settings.py | 3 + scrapy/shell.py | 23 +- scrapy/signalmanager.py | 21 +- scrapy/signals.py | 1 + scrapy/spidermiddlewares/base.py | 63 +-- scrapy/spidermiddlewares/depth.py | 11 +- scrapy/spidermiddlewares/offsite.py | 5 +- scrapy/spidermiddlewares/referer.py | 5 +- scrapy/spidermiddlewares/start.py | 31 ++ scrapy/spidermiddlewares/urllength.py | 2 +- scrapy/spiders/__init__.py | 79 +++- scrapy/spiders/crawl.py | 6 +- scrapy/spiders/init.py | 10 +- scrapy/spiders/sitemap.py | 6 +- .../project/module/middlewares.py.tmpl | 13 +- scrapy/utils/asyncgen.py | 8 +- scrapy/utils/defer.py | 34 +- scrapy/utils/engine.py | 8 +- scrapy/utils/python.py | 17 +- scrapy/utils/reactor.py | 25 +- sep/sep-018.rst | 2 +- tests/CrawlerProcess/args_settings.py | 5 +- tests/CrawlerProcess/asyncio_custom_loop.py | 5 +- .../asyncio_enabled_no_reactor.py | 5 +- .../CrawlerProcess/asyncio_enabled_reactor.py | 5 +- .../asyncio_enabled_reactor_different_loop.py | 5 +- .../asyncio_enabled_reactor_same_loop.py | 5 +- .../caching_hostname_resolver.py | 2 +- tests/CrawlerProcess/multi.py | 5 +- tests/CrawlerProcess/reactor_default.py | 5 +- .../reactor_default_twisted_reactor_select.py | 5 +- tests/CrawlerProcess/reactor_select.py | 5 +- ..._select_subclass_twisted_reactor_select.py | 5 +- .../reactor_select_twisted_reactor_select.py | 5 +- tests/CrawlerProcess/simple.py | 5 +- tests/CrawlerRunner/change_reactor.py | 5 +- tests/CrawlerRunner/ip_address.py | 2 +- tests/__init__.py | 6 + tests/spiders.py | 36 +- .../__init__.py | 17 +- tests/test_commands.py | 63 +-- tests/test_contracts.py | 5 +- tests/test_crawl.py | 70 +--- tests/test_crawler.py | 13 +- tests/test_downloadermiddleware.py | 2 +- tests/test_downloaderslotssettings.py | 2 +- tests/test_engine.py | 39 +- tests/test_engine_loop.py | 364 ++++++++++++++++++ tests/test_pipelines.py | 2 +- tests/test_request_cb_kwargs.py | 14 +- tests/test_scheduler.py | 35 +- tests/test_signals.py | 21 +- tests/test_spider.py | 57 ++- tests/test_spider_start.py | 186 +++++++++ tests/test_spidermiddleware.py | 53 +-- tests/test_spidermiddleware_base.py | 74 ++-- tests/test_spidermiddleware_httperror.py | 2 +- tests/test_spidermiddleware_output_chain.py | 16 +- tests/test_spidermiddleware_process_start.py | 352 +++++++++++++++++ tests/test_spidermiddleware_start.py | 44 +++ tests/utils/__init__.py | 9 + tox.ini | 2 +- 93 files changed, 2777 insertions(+), 936 deletions(-) create mode 100644 scrapy/spidermiddlewares/start.py create mode 100644 tests/test_engine_loop.py create mode 100644 tests/test_spider_start.py create mode 100644 tests/test_spidermiddleware_process_start.py create mode 100644 tests/test_spidermiddleware_start.py diff --git a/docs/faq.rst b/docs/faq.rst index da255f29e..1d09a0e63 100644 --- a/docs/faq.rst +++ b/docs/faq.rst @@ -96,30 +96,13 @@ How can I simulate a user login in my spider? See :ref:`topics-request-response-ref-request-userlogin`. + .. _faq-bfo-dfo: Does Scrapy crawl in breadth-first or depth-first order? -------------------------------------------------------- -By default, Scrapy uses a `LIFO`_ queue for storing pending requests, which -basically means that it crawls in `DFO order`_. This order is more convenient -in most cases. - -If you do want to crawl in true `BFO order`_, you can do it by -setting the following settings: - -.. code-block:: python - - DEPTH_PRIORITY = 1 - SCHEDULER_DISK_QUEUE = "scrapy.squeues.PickleFifoDiskQueue" - SCHEDULER_MEMORY_QUEUE = "scrapy.squeues.FifoMemoryQueue" - -While pending requests are below the configured values of -:setting:`CONCURRENT_REQUESTS`, :setting:`CONCURRENT_REQUESTS_PER_DOMAIN` or -:setting:`CONCURRENT_REQUESTS_PER_IP`, those requests are sent -concurrently. As a result, the first few requests of a crawl rarely follow the -desired order. Lowering those settings to ``1`` enforces the desired order, but -it significantly slows down the crawl as a whole. +:ref:`DFO by default, but other orders are possible `. My Scrapy crawler has memory leaks. What can I do? @@ -436,6 +419,3 @@ See :issue:`2680`. .. _Python standard library modules: https://docs.python.org/3/py-modindex.html .. _Python package: https://pypi.org/ .. _user agents: https://en.wikipedia.org/wiki/User_agent -.. _LIFO: https://en.wikipedia.org/wiki/Stack_(abstract_data_type) -.. _DFO order: https://en.wikipedia.org/wiki/Depth-first_search -.. _BFO order: https://en.wikipedia.org/wiki/Breadth-first_search diff --git a/docs/intro/tutorial.rst b/docs/intro/tutorial.rst index 5041b49ea..c4e04364b 100644 --- a/docs/intro/tutorial.rst +++ b/docs/intro/tutorial.rst @@ -94,7 +94,7 @@ This is the code for our first Spider. Save it in a file named class QuotesSpider(scrapy.Spider): name = "quotes" - def start_requests(self): + async def start(self): urls = [ "https://quotes.toscrape.com/page/1/", "https://quotes.toscrape.com/page/2/", @@ -116,10 +116,10 @@ and defines some attributes and methods: unique within a project, that is, you can't set the same name for different Spiders. -* :meth:`~scrapy.Spider.start_requests`: must return an iterable of - Requests (you can return a list of requests or write a generator function) - which the Spider will begin to crawl from. Subsequent requests will be - generated successively from these initial requests. +* :meth:`~scrapy.Spider.start`: must be an asynchronous generator that + yields requests (and, optionally, items) for the spider to start crawling. + Subsequent requests will be generated successively from these initial + requests. * :meth:`~scrapy.Spider.parse`: a method that will be called to handle the response downloaded for each of the requests made. The response parameter @@ -164,21 +164,22 @@ for the respective URLs, as our ``parse`` method instructs. What just happened under the hood? ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -Scrapy schedules the :class:`scrapy.Request ` objects -returned by the ``start_requests`` method of the Spider. Upon receiving a -response for each one, it instantiates :class:`~scrapy.http.Response` objects -and calls the callback method associated with the request (in this case, the -``parse`` method) passing the response as an argument. +Scrapy sends the first :class:`scrapy.Request ` objects yielded +by the :meth:`~scrapy.Spider.start` spider method. Upon receiving a +response for each one, Scrapy calls the callback method associated with the +request (in this case, the ``parse`` method) with a +:class:`~scrapy.http.Response` object. -A shortcut to the start_requests method ---------------------------------------- -Instead of implementing a :meth:`~scrapy.Spider.start_requests` method -that generates :class:`scrapy.Request ` objects from URLs, -you can just define a :attr:`~scrapy.Spider.start_urls` class attribute -with a list of URLs. This list will then be used by the default implementation -of :meth:`~scrapy.Spider.start_requests` to create the initial requests -for your spider. +A shortcut to the ``start`` method +---------------------------------- + +Instead of implementing a :meth:`~scrapy.Spider.start` method that yields +:class:`~scrapy.Request` objects from URLs, you can define a +:attr:`~scrapy.Spider.start_urls` class attribute with a list of URLs. This +list will then be used by the default implementation of +:meth:`~scrapy.Spider.start` to create the initial requests for your +spider. .. code-block:: python @@ -794,7 +795,7 @@ with a specific tag, building the URL based on the argument: class QuotesSpider(scrapy.Spider): name = "quotes" - def start_requests(self): + async def start(self): url = "https://quotes.toscrape.com/" tag = getattr(self, "tag", None) if tag is not None: diff --git a/docs/news.rst b/docs/news.rst index 9f476ee21..64a3ad2b1 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -8,6 +8,11 @@ Release notes Scrapy VERSION (unreleased) --------------------------- +Highlights: + +- Replaced ``start_requests()`` (sync) with :meth:`~scrapy.Spider.start` + (async) and changed how it is iterated. + Backward-incompatible changes ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -20,6 +25,116 @@ Backward-incompatible changes :class:`~scrapy.crawler.Crawler` instance at run time). Please use ``from_crawler()`` instead. +- The iteration of start requests and items no longer stops once there are + requests in the scheduler, and instead runs continuously until all start + requests have been scheduled. + + To reproduce the previous behavior, see :ref:`start-requests-lazy`. + +- An unhandled exception from the + :meth:`~scrapy.spidermiddlewares.SpiderMiddleware.open_spider` method of a + :ref:`spider middleware ` no longer stops the + crawl. + +- In ``scrapy.core.engine.ExecutionEngine``: + + - The second parameter of ``open_spider()``, ``start_requests``, has been + removed. The start requests are determined by the ``spider`` parameter + instead (see :meth:`~scrapy.Spider.start`). + + - The ``slot`` attribute has been renamed to ``_slot`` and should not be + used. + +- In ``scrapy.core.engine``, the ``Slot`` class has been renamed to ``_Slot`` + and should not be used. + +- The ``slot`` :ref:`telnet variable ` has been removed. + +- In ``scrapy.core.spidermw.SpiderMiddlewareManager``, + ``process_start_requests()`` has been replaced by ``process_start()``. + +- The now-deprecated ``start_requests()`` method, when it returns an iterable + instead of being defined as a generator, is now executed *after* the + :ref:`scheduler ` instance has been created. + +- When using :setting:`JOBDIR`, :ref:`start requests ` are + now serialized into their own, ``s``-suffixed priority folders. You can set + :setting:`SCHEDULER_START_DISK_QUEUE` to ``None`` or ``""`` to change that, + but the side effects may be undesirable. See + :setting:`SCHEDULER_START_DISK_QUEUE` for details. + +Deprecations +~~~~~~~~~~~~ + +- The ``start_requests()`` method of :class:`~scrapy.Spider` is deprecated, + use :meth:`~scrapy.Spider.start` instead, or both to maintain support for + lower Scrapy versions. + + (:issue:`456`, :issue:`3477`, :issue:`4467`, :issue:`5627`, :issue:`6729`) + +- The ``process_start_requests()`` method of :ref:`spider middlewares + ` is deprecated, use + :meth:`~scrapy.spidermiddlewares.SpiderMiddleware.process_start` instead, + or both to maintain support for lower Scrapy versions. + + (:issue:`456`, :issue:`3477`, :issue:`4467`, :issue:`5627`, :issue:`6729`) + +- The ``__init__`` method of priority queue classes (see + :setting:`SCHEDULER_PRIORITY_QUEUE`) should now support a keyword-only + ``start_queue_cls`` parameter. + + (:issue:`6752`) + +New features +~~~~~~~~~~~~ + +- You can now yield the start requests and items of a spider from the + :meth:`~scrapy.Spider.start` spider method and from the + :meth:`~scrapy.spidermiddlewares.SpiderMiddleware.process_start` spider + middleware method, both :term:`asynchronous generators `. + + This makes it possible to use asynchronous code to generate those start + requests and items, e.g. reading them from a queue service or database + using an asynchronous client, without workarounds. + + (:issue:`456`, :issue:`3477`, :issue:`4467`, :issue:`5627`, :issue:`6729`) + +- Start requests are now :ref:`scheduled ` as soon as + possible. + + As a result, their :attr:`~scrapy.Request.priority` is now taken into + account as soon as :setting:`CONCURRENT_REQUESTS` is reached. + + (:issue:`456`, :issue:`3477`, :issue:`4467`, :issue:`5627`, :issue:`6729`) + +- :class:`Crawler.signals ` has a new + :meth:`~scrapy.signalmanager.SignalManager.wait_for` method. + +- Added a new :signal:`scheduler_empty` signal. + +- Added new settings: :setting:`SCHEDULER_START_DISK_QUEUE` and + :setting:`SCHEDULER_START_MEMORY_QUEUE`. + +- Added :class:`~scrapy.spidermiddlewares.start.StartSpiderMiddleware`, which + sets :reqmeta:`is_start_request` to ``True`` on :ref:`start requests + `. + +- Exposed a new method of :class:`Crawler.engine + `: + :meth:`~scrapy.core.engine.ExecutionEngine.needs_backout`. + +Bug fixes +~~~~~~~~~ + +- Yielding an item from :meth:`Spider.start ` or from + :meth:`SpiderMiddleware.process_start + ` no longer delays + the next iteration of starting requests and items by up to 5 seconds. + + (:issue:`6729`) + + .. _release-2.12.0: Scrapy 2.12.0 (2024-11-18) @@ -29,7 +144,7 @@ Highlights: - Dropped support for Python 3.8, added support for Python 3.13 -- :meth:`~scrapy.Spider.start_requests` can now yield items +- ``scrapy.Spider.start_requests()`` can now yield items - Added :class:`~scrapy.http.JsonResponse` @@ -320,9 +435,13 @@ Deprecations New features ~~~~~~~~~~~~ -- :meth:`~scrapy.Spider.start_requests` can now yield items. +- ``scrapy.Spider.start_requests()`` can now yield items. (:issue:`5289`, :issue:`6417`) + .. note:: Some spider middlewares may need to be updated for Scrapy 2.12 + support before you can use them in combination with the ability to + yield items from ``start_requests()``. + - Added a new :class:`~scrapy.http.Response` subclass, :class:`~scrapy.http.JsonResponse`, for responses with a `JSON MIME type `_. @@ -812,7 +931,7 @@ Backward-incompatible changes in :meth:`scrapy.Spider.from_crawler`. If you want to access the final setting values and the initialized :class:`~scrapy.crawler.Crawler` attributes in the spider code as early as possible you can do this in - :meth:`~scrapy.Spider.start_requests` or in a handler of the + ``scrapy.Spider.start_requests()`` or in a handler of the :signal:`engine_started` signal. (:issue:`6038`) - The :meth:`TextResponse.json ` method now @@ -3388,7 +3507,7 @@ New features * :class:`~scrapy.spiders.Spider` objects now raise an :exc:`AttributeError` exception if they do not have a :class:`~scrapy.spiders.Spider.start_urls` - attribute nor reimplement :class:`~scrapy.spiders.Spider.start_requests`, + attribute nor reimplement ``scrapy.spiders.Spider.start_requests()``, but have a ``start_url`` attribute (:issue:`4133`, :issue:`4170`) * :class:`~scrapy.exporters.BaseItemExporter` subclasses may now use @@ -6309,7 +6428,7 @@ Scrapy 0.18.4 (released 2013-10-10) - IPython refuses to update the namespace. fix #396 (:commit:`3d32c4f`) - Fix AlreadyCalledError replacing a request in shell command. closes #407 (:commit:`b1d8919`) -- Fix start_requests laziness and early hangs (:commit:`89faf52`) +- Fix ``start_requests()`` laziness and early hangs (:commit:`89faf52`) Scrapy 0.18.3 (released 2013-10-03) ----------------------------------- @@ -6502,7 +6621,7 @@ Scrapy changes: - added options ``-o`` and ``-t`` to the :command:`runspider` command - documented :doc:`topics/autothrottle` and added to extensions installed by default. You still need to enable it with :setting:`AUTOTHROTTLE_ENABLED` - major Stats Collection refactoring: removed separation of global/per-spider stats, removed stats-related signals (``stats_spider_opened``, etc). Stats are much simpler now, backward compatibility is kept on the Stats Collector API and signals. -- added :meth:`~scrapy.spidermiddlewares.SpiderMiddleware.process_start_requests` method to spider middlewares +- added a ``process_start_requests()`` method to spider middlewares - dropped Signals singleton. Signals should now be accessed through the Crawler.signals attribute. See the signals documentation for more info. - dropped Stats Collector singleton. Stats can now be accessed through the Crawler.stats attribute. See the stats collection documentation for more info. - documented :ref:`topics-api` @@ -6565,7 +6684,7 @@ Scrapy 0.14.2 - fixed bug in MemoryUsage extension: get_engine_status() takes exactly 1 argument (0 given) (:commit:`11133e9`) - fixed struct.error on http compression middleware. closes #87 (:commit:`1423140`) - ajax crawling wasn't expanding for unicode urls (:commit:`0de3fb4`) -- Catch start_requests iterator errors. refs #83 (:commit:`454a21d`) +- Catch ``start_requests()`` iterator errors. refs #83 (:commit:`454a21d`) - Speed-up libxml2 XPathSelector (:commit:`2fbd662`) - updated versioning doc according to recent changes (:commit:`0a070f5`) - scrapyd: fixed documentation link (:commit:`2b4e4c3`) diff --git a/docs/topics/api.rst b/docs/topics/api.rst index 5a00fd570..8e8f3a0c9 100644 --- a/docs/topics/api.rst +++ b/docs/topics/api.rst @@ -280,3 +280,9 @@ class (which they all inherit from). Close the given spider. After this is called, no more specific stats can be accessed or collected. + +Engine API +========== + +.. autoclass:: scrapy.core.engine.ExecutionEngine() + :members: needs_backout diff --git a/docs/topics/architecture.rst b/docs/topics/architecture.rst index 4e53b6e3d..e8c510ea5 100644 --- a/docs/topics/architecture.rst +++ b/docs/topics/architecture.rst @@ -150,7 +150,7 @@ requests). Use a Spider middleware if you need to * post-process output of spider callbacks - change/add/remove requests or items; -* post-process start_requests; +* post-process start requests or items; * handle spider exceptions; * call errback instead of callback for some of the requests based on response content. diff --git a/docs/topics/components.rst b/docs/topics/components.rst index 3a7644379..56f8c6498 100644 --- a/docs/topics/components.rst +++ b/docs/topics/components.rst @@ -37,6 +37,10 @@ That includes the classes that you may assign to the following settings: - :setting:`SCHEDULER_PRIORITY_QUEUE` +- :setting:`SCHEDULER_START_DISK_QUEUE` + +- :setting:`SCHEDULER_START_MEMORY_QUEUE` + - :setting:`SPIDER_MIDDLEWARES` Third-party Scrapy components may also let you define additional Scrapy diff --git a/docs/topics/coroutines.rst b/docs/topics/coroutines.rst index 8af4ce71d..448bf07e7 100644 --- a/docs/topics/coroutines.rst +++ b/docs/topics/coroutines.rst @@ -6,8 +6,8 @@ Coroutines .. versionadded:: 2.0 -Scrapy has :ref:`partial support ` for the -:ref:`coroutine syntax `. +Scrapy :ref:`supports ` the :ref:`coroutine syntax ` +(i.e. ``async def``). .. _coroutine-support: @@ -18,6 +18,11 @@ Supported callables The following callables may be defined as coroutines using ``async def``, and hence use coroutine syntax (e.g. ``await``, ``async for``, ``async with``): +- The :meth:`~scrapy.spiders.Spider.start` spider method, which *must* be + defined as an :term:`asynchronous generator`. + + .. versionadded: VERSION + - :class:`~scrapy.Request` callbacks. If you are using any custom or third-party :ref:`spider middleware @@ -38,20 +43,26 @@ hence use coroutine syntax (e.g. ``await``, ``async for``, ``async with``): methods of :ref:`downloader middlewares `. -- :ref:`Signal handlers that support deferreds `. - - The :meth:`~scrapy.spidermiddlewares.SpiderMiddleware.process_spider_output` method of :ref:`spider middlewares `. - It must be defined as an :term:`asynchronous generator`. The input - ``result`` parameter is an :term:`asynchronous iterable`. + If defined as a coroutine, it must be an :term:`asynchronous generator`. + The input ``result`` parameter is an :term:`asynchronous iterable`. See also :ref:`sync-async-spider-middleware` and :ref:`universal-spider-middleware`. .. versionadded:: 2.7 +- The :meth:`~scrapy.spidermiddlewares.SpiderMiddleware.process_start` method + of :ref:`spider middlewares `, which *must* be + defined as an :term:`asynchronous generator`. + + .. versionadded:: VERSION + +- :ref:`Signal handlers that support deferreds `. + .. _coroutine-deferred-apis: @@ -232,8 +243,9 @@ This means you can use many useful Python libraries providing such code: Common use cases for asynchronous code include: -* requesting data from websites, databases and other services (in callbacks, - pipelines and middlewares); +* requesting data from websites, databases and other services (in + :meth:`~scrapy.spiders.Spider.start`, callbacks, pipelines and + middlewares); * storing data in databases (in pipelines and middlewares); * delaying the spider initialization until some external event (in the :signal:`spider_opened` handler); diff --git a/docs/topics/jobs.rst b/docs/topics/jobs.rst index 0e705dc64..50bcaa6d6 100644 --- a/docs/topics/jobs.rst +++ b/docs/topics/jobs.rst @@ -46,9 +46,9 @@ Keeping persistent state between batches Sometimes you'll want to keep some persistent spider state between pause/resume batches. You can use the ``spider.state`` attribute for that, which should be a -dict. There's :ref:`a built-in extension ` that takes care of serializing, storing and -loading that attribute from the job directory, when the spider starts and -stops. +dict. There's :ref:`a built-in extension ` +that takes care of serializing, storing and loading that attribute from the job +directory, when the spider starts and stops. Here's an example of a callback that uses the spider state (other spider code is omitted for brevity): diff --git a/docs/topics/request-response.rst b/docs/topics/request-response.rst index 77837378e..6ca0973d8 100644 --- a/docs/topics/request-response.rst +++ b/docs/topics/request-response.rst @@ -127,10 +127,7 @@ Request objects body to bytes (if given as a string). :type encoding: str - :param priority: the priority of this request (defaults to ``0``). - The priority is used by the scheduler to define the order used to process - requests. Requests with a higher priority value will execute earlier. - Negative values are allowed in order to indicate relatively low-priority. + :param priority: sets :attr:`priority`, defaults to ``0``. :type priority: int :param dont_filter: sets :attr:`dont_filter`, defaults to ``False``. @@ -179,6 +176,8 @@ Request objects .. autoattribute:: errback + .. autoattribute:: priority + .. attribute:: Request.cb_kwargs A dictionary that contains arbitrary metadata for this request. Its contents @@ -353,7 +352,7 @@ errors if needed: "https://example.invalid/", # DNS error expected ] - def start_requests(self): + async def start(self): for u in self.start_urls: yield scrapy.Request( u, @@ -647,6 +646,7 @@ Those are: * ``ftp_user`` (See :setting:`FTP_USER` for more info) * :reqmeta:`handle_httpstatus_all` * :reqmeta:`handle_httpstatus_list` +* :reqmeta:`is_start_request` * :reqmeta:`max_retry_times` * :reqmeta:`proxy` * :reqmeta:`redirect_reasons` diff --git a/docs/topics/scheduler.rst b/docs/topics/scheduler.rst index 57c24b76a..b6e54ebd7 100644 --- a/docs/topics/scheduler.rst +++ b/docs/topics/scheduler.rst @@ -26,9 +26,9 @@ Minimal scheduler interface :members: -Default Scrapy scheduler -======================== +Default scheduler +================= -.. autoclass:: Scheduler +.. autoclass:: Scheduler() :members: - :special-members: __len__ + :special-members: __init__, __len__ diff --git a/docs/topics/settings.rst b/docs/topics/settings.rst index 3a61306d6..537e51e40 100644 --- a/docs/topics/settings.rst +++ b/docs/topics/settings.rst @@ -1326,6 +1326,7 @@ Default: ``{}`` A dict containing the pipelines enabled by default in Scrapy. You should never modify this setting in your project, modify :setting:`ITEM_PIPELINES` instead. + .. setting:: JOBDIR JOBDIR @@ -1336,6 +1337,7 @@ Default: ``None`` A string indicating the directory for storing the state of a crawl when :ref:`pausing and resuming crawls `. + .. setting:: LOG_ENABLED LOG_ENABLED @@ -1700,23 +1702,28 @@ SCHEDULER_DISK_QUEUE Default: ``'scrapy.squeues.PickleLifoDiskQueue'`` -Type of disk queue that will be used by scheduler. Other available types are -``scrapy.squeues.PickleFifoDiskQueue``, ``scrapy.squeues.MarshalFifoDiskQueue``, +Type of disk queue that will be used by the scheduler. Other available types +are ``scrapy.squeues.PickleFifoDiskQueue``, +``scrapy.squeues.MarshalFifoDiskQueue``, ``scrapy.squeues.MarshalLifoDiskQueue``. + .. setting:: SCHEDULER_MEMORY_QUEUE SCHEDULER_MEMORY_QUEUE ---------------------- + Default: ``'scrapy.squeues.LifoMemoryQueue'`` -Type of in-memory queue used by scheduler. Other available type is: +Type of in-memory queue used by the scheduler. Other available type is: ``scrapy.squeues.FifoMemoryQueue``. + .. setting:: SCHEDULER_PRIORITY_QUEUE SCHEDULER_PRIORITY_QUEUE ------------------------ + Default: ``'scrapy.pqueues.ScrapyPriorityQueue'`` Type of priority queue used by the scheduler. Another available type is @@ -1726,6 +1733,51 @@ Type of priority queue used by the scheduler. Another available type is domains in parallel. But currently ``scrapy.pqueues.DownloaderAwarePriorityQueue`` does not work together with :setting:`CONCURRENT_REQUESTS_PER_IP`. + +.. setting:: SCHEDULER_START_DISK_QUEUE + +SCHEDULER_START_DISK_QUEUE +-------------------------- + +Default: ``'scrapy.squeues.PickleFifoDiskQueue'`` + +Type of disk queue (see :setting:`JOBDIR`) that the :ref:`scheduler +` uses for :ref:`start requests `. + +For available choices, see :setting:`SCHEDULER_DISK_QUEUE`. + +.. queue-common-starts + +Use ``None`` or ``""`` to disable these separate queues entirely, and instead +have start requests share the same queues as other requests. + +.. note:: + + Disabling separate start request queues makes :ref:`start request order + ` unintuitive: start requests will be sent in order + only until :setting:`CONCURRENT_REQUESTS` is reached, then remaining start + requests will be sent in reverse order. + +.. queue-common-ends + + +.. setting:: SCHEDULER_START_MEMORY_QUEUE + +SCHEDULER_START_MEMORY_QUEUE +---------------------------- + +Default: ``'scrapy.squeues.FifoMemoryQueue'`` + +Type of in-memory queue that the :ref:`scheduler ` uses for +:ref:`start requests `. + +For available choices, see :setting:`SCHEDULER_MEMORY_QUEUE`. + +.. include:: settings.rst + :start-after: queue-common-starts + :end-before: queue-common-ends + + .. setting:: SCRAPER_SLOT_MAX_ACTIVE_SIZE SCRAPER_SLOT_MAX_ACTIVE_SIZE @@ -1957,7 +2009,7 @@ In order to use the reactor installed by Scrapy: self.timeout = int(kwargs.pop("timeout", "60")) super(QuotesSpider, self).__init__(*args, **kwargs) - def start_requests(self): + async def start(self): reactor.callLater(self.timeout, self.stop) urls = ["https://quotes.toscrape.com/page/1"] @@ -1986,7 +2038,7 @@ which raises :exc:`Exception`, becomes: self.timeout = int(kwargs.pop("timeout", "60")) super(QuotesSpider, self).__init__(*args, **kwargs) - def start_requests(self): + async def start(self): from twisted.internet import reactor reactor.callLater(self.timeout, self.stop) diff --git a/docs/topics/signals.rst b/docs/topics/signals.rst index b45b12540..66cb87fc5 100644 --- a/docs/topics/signals.rst +++ b/docs/topics/signals.rst @@ -131,6 +131,19 @@ engine_stopped This signal supports returning deferreds from its handlers. +scheduler_empty +~~~~~~~~~~~~~~~ + +.. signal:: scheduler_empty +.. function:: scheduler_empty() + + Sent whenever the engine asks for a pending request from the + :ref:`scheduler ` (i.e. calls its + :meth:`~scrapy.core.scheduler.BaseScheduler.next_request` method) and the + scheduler returns none. + + See :ref:`start-requests-lazy` for an example. + Item signals ------------ @@ -160,7 +173,7 @@ item_scraped :type spider: :class:`~scrapy.Spider` object :param response: the response from where the item was scraped, or ``None`` - if it was yielded from :meth:`~scrapy.Spider.start_requests`. + if it was yielded from :meth:`~scrapy.Spider.start`. :type response: :class:`~scrapy.http.Response` | ``None`` item_dropped @@ -181,7 +194,7 @@ item_dropped :type spider: :class:`~scrapy.Spider` object :param response: the response from where the item was dropped, or ``None`` - if it was yielded from :meth:`~scrapy.Spider.start_requests`. + if it was yielded from :meth:`~scrapy.Spider.start`. :type response: :class:`~scrapy.http.Response` | ``None`` :param exception: the exception (which must be a @@ -205,7 +218,7 @@ item_error :param response: the response being processed when the exception was raised, or ``None`` if it was yielded from - :meth:`~scrapy.Spider.start_requests`. + :meth:`~scrapy.Spider.start`. :type response: :class:`~scrapy.http.Response` | ``None`` :param spider: the spider which raised the exception diff --git a/docs/topics/spider-middleware.rst b/docs/topics/spider-middleware.rst index 2211a822f..638035e64 100644 --- a/docs/topics/spider-middleware.rst +++ b/docs/topics/spider-middleware.rst @@ -70,30 +70,29 @@ one or more of these methods: .. class:: SpiderMiddleware - .. method:: process_start_requests(start_requests, spider) + .. method:: process_start(start: AsyncIterator[Any], /) -> AsyncIterator[Any] + :async: - This method is called with the start requests of the spider, and works - similarly to the :meth:`process_spider_output` method, except that it - doesn't have a response associated and must return only requests (not - items). + Iterate over the output of :meth:`~scrapy.Spider.start` or that + of the :meth:`process_start` method of an earlier spider middleware, + overriding it. For example: - It receives an iterable (in the ``start_requests`` parameter) and must - return another iterable of :class:`~scrapy.Request` objects and/or :ref:`item objects `. + .. code-block:: python - .. note:: When implementing this method in your spider middleware, you - should always return an iterable (that follows the input one) and - not consume all ``start_requests`` iterator because it can be very - large (or even unbounded) and cause a memory overflow. The Scrapy - engine is designed to pull start requests while it has capacity to - process them, so the start requests iterator can be effectively - endless where there is some other condition for stopping the spider - (like a time limit or item/page count). + async def process_start(self, start): + async for item_or_request in start: + yield item_or_request - :param start_requests: the start requests - :type start_requests: an iterable of :class:`~scrapy.Request` + You may yield the same type of objects as :meth:`~scrapy.Spider.start`. - :param spider: the spider to whom the start requests belong - :type spider: :class:`~scrapy.Spider` object + To write spider middlewares that work on Scrapy versions lower than + VERSION, define also a synchronous ``process_start_requests()`` method + that returns an iterable. For example: + + .. code-block:: python + + def process_start_requests(self, start, spider): + yield from start .. method:: process_spider_input(response, spider) @@ -154,6 +153,7 @@ one or more of these methods: :type spider: :class:`~scrapy.Spider` object .. method:: process_spider_output_async(response, result, spider) + :async: .. versionadded:: 2.7 @@ -417,6 +417,14 @@ String value Class name (as a string) .. _"unsafe-url": https://www.w3.org/TR/referrer-policy/#referrer-policy-unsafe-url +StartSpiderMiddleware +--------------------- + +.. module:: scrapy.spidermiddlewares.start + +.. autoclass:: StartSpiderMiddleware + + UrlLengthMiddleware ------------------- diff --git a/docs/topics/spiders.rst b/docs/topics/spiders.rst index 0a67240d6..891c4da05 100644 --- a/docs/topics/spiders.rst +++ b/docs/topics/spiders.rst @@ -12,16 +12,16 @@ parsing pages for a particular site (or, in some cases, a group of sites). For spiders, the scraping cycle goes through something like this: -1. You start by generating the initial Requests to crawl the first URLs, and +1. You start by generating the initial requests to crawl the first URLs, and specify a callback function to be called with the response downloaded from those requests. - The first requests to perform are obtained by calling the - :meth:`~scrapy.Spider.start_requests` method which (by default) - generates :class:`~scrapy.Request` for the URLs specified in the - :attr:`~scrapy.Spider.start_urls` and the - :attr:`~scrapy.Spider.parse` method as callback function for the - Requests. + The first requests to perform are obtained by iterating the + :meth:`~scrapy.Spider.start` method, which by default yields a + :class:`~scrapy.Request` object for each URL in the + :attr:`~scrapy.Spider.start_urls` spider attribute, with the + :attr:`~scrapy.Spider.parse` method set as :attr:`~scrapy.Request.callback` + function to handle each :class:`~scrapy.http.Response`. 2. In the callback function, you parse the response (web page) and return :ref:`item objects `, @@ -48,14 +48,7 @@ scrapy.Spider ============= .. class:: scrapy.spiders.Spider -.. class:: scrapy.Spider() - - This is the simplest spider, and the one from which every other spider - must inherit (including spiders that come bundled with Scrapy, as well as spiders - that you write yourself). It doesn't provide any special functionality. It just - provides a default :meth:`start_requests` implementation which sends requests from - the :attr:`start_urls` spider attribute and calls the spider's method ``parse`` - for each of the resulting responses. +.. autoclass:: scrapy.Spider .. attribute:: name @@ -81,12 +74,7 @@ scrapy.Spider Let's say your target url is ``https://www.example.com/1.html``, then add ``'example.com'`` to the list. - .. attribute:: start_urls - - A list of URLs where the spider will begin to crawl from, when no - particular URLs are specified. So, the first pages downloaded will be those - listed here. The subsequent :class:`~scrapy.Request` will be generated successively from data - contained in the start URLs. + .. autoattribute:: start_urls .. attribute:: custom_settings @@ -149,7 +137,7 @@ scrapy.Spider The final settings and the initialized :class:`~scrapy.crawler.Crawler` attributes are available in the - :meth:`start_requests` method, handlers of the + :meth:`start` method, handlers of the :signal:`engine_started` signal and later. :param crawler: crawler to which the spider will be bound @@ -201,42 +189,7 @@ scrapy.Spider super().update_settings(settings) settings.setdefault("FEEDS", {}).update(cls.custom_feed) - .. method:: start_requests() - - This method must return an iterable with the first Requests to crawl and/or with :ref:`item objects - ` for - this spider. It is called by Scrapy when the spider is opened for - scraping. Scrapy calls it only once, so it is safe to implement - :meth:`start_requests` as a generator. - - The default implementation generates ``Request(url, dont_filter=True)`` - for each url in :attr:`start_urls`. - - If you want to change the Requests used to start scraping a domain, this is - the method to override. For example, if you need to start by logging in using - a POST request, you could do: - - .. code-block:: python - - import scrapy - - - class MySpider(scrapy.Spider): - name = "myspider" - - def start_requests(self): - return [ - scrapy.FormRequest( - "http://www.example.com/login", - formdata={"user": "john", "pass": "secret"}, - callback=self.logged_in, - ) - ] - - def logged_in(self, response): - # here you would extract links to follow and return Requests for - # each of them, with another callback - pass + .. automethod:: start .. method:: parse(response) @@ -308,8 +261,9 @@ Return multiple Requests and items from a single callback: for href in response.xpath("//a/@href").getall(): yield scrapy.Request(response.urljoin(href), self.parse) -Instead of :attr:`~.start_urls` you can use :meth:`~.start_requests` directly; -to give data more structure you can use :class:`~scrapy.Item` objects: +Instead of :attr:`~.start_urls` you can use :meth:`~scrapy.Spider.start` +directly; to give data more structure you can use :class:`~scrapy.Item` +objects: .. skip: next .. code-block:: python @@ -322,7 +276,7 @@ to give data more structure you can use :class:`~scrapy.Item` objects: name = "example.com" allowed_domains = ["example.com"] - def start_requests(self): + async def start(self): yield scrapy.Request("http://www.example.com/1.html", self.parse) yield scrapy.Request("http://www.example.com/2.html", self.parse) yield scrapy.Request("http://www.example.com/3.html", self.parse) @@ -376,7 +330,7 @@ The above example can also be written as follows: class MySpider(scrapy.Spider): name = "myspider" - def start_requests(self): + async def start(self): yield scrapy.Request(f"http://www.example.com/categories/{self.category}") If you are :ref:`running Scrapy from a script `, you can @@ -410,6 +364,38 @@ used by :class:`~scrapy.downloadermiddlewares.useragent.UserAgentMiddleware`:: Spider arguments can also be passed through the Scrapyd ``schedule.json`` API. See `Scrapyd documentation`_. +.. _start-requests: + +Start requests +============== + +**Start requests** are :class:`~scrapy.Request` objects yielded from the +:meth:`~scrapy.Spider.start` method of a spider or from the +:meth:`~scrapy.spidermiddlewares.SpiderMiddleware.process_start` method of a +:ref:`spider middleware `. + +.. seealso:: :ref:`start-request-order` + +.. _start-requests-lazy: + +Delaying start request iteration +-------------------------------- + +You can override the :meth:`~scrapy.Spider.start` method as follows to pause +its iteration whenever there are scheduled requests: + +.. code-block:: python + + async def start(self): + async for item_or_request in super().start(): + if self.crawler.engine.needs_backoff(): + await self.crawler.signals.wait_for(signals.scheduler_empty) + yield item_or_request + +This can help minimize the number of requests in the scheduler at any given +time, to minimize resource usage (memory or disk, depending on +:setting:`JOBDIR`). + .. _builtin-spiders: Generic Spiders @@ -940,10 +926,11 @@ Combine SitemapSpider with other sources of urls: other_urls = ["http://www.example.com/about"] - def start_requests(self): - requests = list(super(MySpider, self).start_requests()) - requests += [scrapy.Request(x, self.parse_other) for x in self.other_urls] - return requests + async def start(self): + async for item_or_request in super().start(): + yield item_or_request + for url in self.other_urls: + yield Request(url, self.parse_other) def parse_shop(self, response): pass # ... scrape shop here ... diff --git a/docs/topics/telnetconsole.rst b/docs/topics/telnetconsole.rst index 0e4a8fa6c..3e9bbe56e 100644 --- a/docs/topics/telnetconsole.rst +++ b/docs/topics/telnetconsole.rst @@ -59,6 +59,8 @@ Default Username and Password can be overridden by the settings You need the telnet program which comes installed by default in Windows, and most Linux distros. +.. _telnet-vars: + Available variables in the telnet console ========================================= @@ -77,8 +79,6 @@ convenience: +----------------+-------------------------------------------------------------------+ | ``spider`` | the active spider | +----------------+-------------------------------------------------------------------+ -| ``slot`` | the engine slot | -+----------------+-------------------------------------------------------------------+ | ``extensions`` | the Extension Manager (Crawler.extensions attribute) | +----------------+-------------------------------------------------------------------+ | ``stats`` | the Stats Collector (Crawler.stats attribute) | @@ -114,10 +114,10 @@ using the telnet console:: engine.scraper.is_idle() : False engine.spider.name : followall engine.spider_is_idle() : False - engine.slot.closing : False - len(engine.slot.inprogress) : 16 - len(engine.slot.scheduler.dqs or []) : 0 - len(engine.slot.scheduler.mqs) : 92 + engine._slot.closing : False + len(engine._slot.inprogress) : 16 + len(engine._slot.scheduler.dqs or []) : 0 + len(engine._slot.scheduler.mqs) : 92 len(engine.scraper.slot.queue) : 0 len(engine.scraper.slot.active) : 0 engine.scraper.slot.active_size : 0 diff --git a/extras/qpsclient.py b/extras/qpsclient.py index 119dfdabb..269b27336 100644 --- a/extras/qpsclient.py +++ b/extras/qpsclient.py @@ -34,6 +34,10 @@ class QPSSpider(Spider): elif self.download_delay is not None: self.download_delay = float(self.download_delay) + async def start(self): + for item_or_request in self.start_requests(): + yield item_or_request + def start_requests(self): url = self.benchurl if self.latency is not None: diff --git a/pyproject.toml b/pyproject.toml index e14efdd17..187587eb1 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -238,7 +238,9 @@ markers = [ "requires_botocore: marks tests that need botocore (but not boto3)", "requires_boto3: marks tests that need botocore and boto3", ] -filterwarnings = [] +filterwarnings = [ + "ignore::DeprecationWarning:twisted.web.static" +] [tool.ruff.lint] extend-select = [ diff --git a/scrapy/commands/bench.py b/scrapy/commands/bench.py index 16dae6ac4..96bb1ae84 100644 --- a/scrapy/commands/bench.py +++ b/scrapy/commands/bench.py @@ -13,9 +13,7 @@ from scrapy.linkextractors import LinkExtractor if TYPE_CHECKING: import argparse - from collections.abc import Iterable - - from scrapy import Request + from collections.abc import AsyncIterator class Command(ScrapyCommand): @@ -61,10 +59,10 @@ class _BenchSpider(scrapy.Spider): baseurl = "http://localhost:8998" link_extractor = LinkExtractor() - def start_requests(self) -> Iterable[Request]: + async def start(self) -> AsyncIterator[Any]: qargs = {"total": self.total, "show": self.show} url = f"{self.baseurl}?{urlencode(qargs, doseq=True)}" - return [scrapy.Request(url, dont_filter=True)] + yield scrapy.Request(url, dont_filter=True) def parse(self, response: Response) -> Any: assert isinstance(response, TextResponse) diff --git a/scrapy/commands/check.py b/scrapy/commands/check.py index 1ce155da7..56dc1ea55 100644 --- a/scrapy/commands/check.py +++ b/scrapy/commands/check.py @@ -80,10 +80,14 @@ class Command(ScrapyCommand): assert self.crawler_process spider_loader = self.crawler_process.spider_loader + async def start(self): + for request in conman.from_spider(self, result): + yield request + with set_environ(SCRAPY_CHECK="true"): for spidername in args or spider_loader.list(): spidercls = spider_loader.load(spidername) - spidercls.start_requests = lambda s: conman.from_spider(s, result) # type: ignore[assignment,method-assign,return-value] + spidercls.start = start # type: ignore[assignment,method-assign,return-value] tested_methods = conman.tested_methods_from_spidercls(spidercls) if opts.list: @@ -101,10 +105,10 @@ class Command(ScrapyCommand): for method in sorted(methods): print(f" * {method}") else: - start = time.time() + start_time = time.time() self.crawler_process.start() stop = time.time() result.printErrors() - result.printSummary(start, stop) + result.printSummary(start_time, stop) self.exitcode = int(not result.wasSuccessful()) diff --git a/scrapy/commands/fetch.py b/scrapy/commands/fetch.py index 8a8d04ff6..ef6e13de2 100644 --- a/scrapy/commands/fetch.py +++ b/scrapy/commands/fetch.py @@ -89,5 +89,11 @@ class Command(ScrapyCommand): spidercls = spider_loader.load(opts.spider) else: spidercls = spidercls_for_request(spider_loader, request, spidercls) - self.crawler_process.crawl(spidercls, start_requests=lambda: [request]) + + async def start(self): + yield request + + spidercls.start = start # type: ignore[method-assign,attr-defined] + + self.crawler_process.crawl(spidercls) self.crawler_process.start() diff --git a/scrapy/commands/parse.py b/scrapy/commands/parse.py index c6ed20b3b..0dd9954cb 100644 --- a/scrapy/commands/parse.py +++ b/scrapy/commands/parse.py @@ -22,7 +22,7 @@ from scrapy.utils.spider import spidercls_for_request if TYPE_CHECKING: import argparse - from collections.abc import AsyncGenerator, Coroutine, Iterable + from collections.abc import AsyncGenerator, AsyncIterator, Coroutine, Iterable from twisted.python.failure import Failure @@ -258,11 +258,11 @@ class Command(BaseRunSpiderCommand): if not self.spidercls: logger.error("Unable to find spider for: %(url)s", {"url": url}) - def _start_requests(spider: Spider) -> Iterable[Request]: + async def start(spider: Spider) -> AsyncIterator[Any]: yield self.prepare_request(spider, Request(url), opts) if self.spidercls: - self.spidercls.start_requests = _start_requests # type: ignore[assignment,method-assign] + self.spidercls.start = start # type: ignore[assignment,method-assign] def start_parsing(self, url: str, opts: argparse.Namespace) -> None: assert self.crawler_process diff --git a/scrapy/commands/shell.py b/scrapy/commands/shell.py index 3047ae396..9dabfcd9c 100644 --- a/scrapy/commands/shell.py +++ b/scrapy/commands/shell.py @@ -24,9 +24,9 @@ if TYPE_CHECKING: class Command(ScrapyCommand): requires_project = False default_settings = { + "DUPEFILTER_CLASS": "scrapy.dupefilters.BaseDupeFilter", "KEEP_ALIVE": True, "LOGSTATS_INTERVAL": 0, - "DUPEFILTER_CLASS": "scrapy.dupefilters.BaseDupeFilter", } def syntax(self) -> str: @@ -85,7 +85,7 @@ class Command(ScrapyCommand): crawler._apply_settings() # The Shell class needs a persistent engine in the crawler crawler.engine = crawler._create_engine() - crawler.engine.start() + crawler.engine.start(_start_request_processing=False) self._start_crawler_thread() diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index 653e5e05c..7f5dd0405 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -9,6 +9,7 @@ from __future__ import annotations import logging from time import time +from traceback import format_exc from typing import TYPE_CHECKING, Any, TypeVar, cast from twisted.internet.defer import Deferred, inlineCallbacks, succeed @@ -16,15 +17,19 @@ from twisted.internet.task import LoopingCall from twisted.python.failure import Failure from scrapy import signals -from scrapy.core.scraper import Scraper, _HandleOutputDeferred +from scrapy.core.scraper import Scraper from scrapy.exceptions import CloseSpider, DontCloseSpider, IgnoreRequest from scrapy.http import Request, Response +from scrapy.utils.defer import ( + deferred_f_from_coro_f, + maybe_deferred_to_future, +) from scrapy.utils.log import failure_to_exc_info, logformatter_adapter from scrapy.utils.misc import build_from_crawler, load_object from scrapy.utils.reactor import CallLaterOnce if TYPE_CHECKING: - from collections.abc import Callable, Generator, Iterable, Iterator + from collections.abc import AsyncIterator, Callable, Generator from scrapy.core.downloader import Downloader from scrapy.core.scheduler import BaseScheduler @@ -40,17 +45,15 @@ logger = logging.getLogger(__name__) _T = TypeVar("_T") -class Slot: +class _Slot: def __init__( self, - start_requests: Iterable[Request], close_if_idle: bool, nextcall: CallLaterOnce[None], scheduler: BaseScheduler, ) -> None: self.closing: Deferred[None] | None = None self.inprogress: set[Request] = set() - self.start_requests: Iterator[Request] | None = iter(start_requests) self.close_if_idle: bool = close_if_idle self.nextcall: CallLaterOnce[None] = nextcall self.scheduler: BaseScheduler = scheduler @@ -78,6 +81,8 @@ class Slot: class ExecutionEngine: + _SLOT_HEARTBEAT_INTERVAL: float = 5.0 + def __init__( self, crawler: Crawler, @@ -88,20 +93,25 @@ class ExecutionEngine: self.signals: SignalManager = crawler.signals assert crawler.logformatter self.logformatter: LogFormatter = crawler.logformatter - self.slot: Slot | None = None + self._slot: _Slot | None = None self.spider: Spider | None = None self.running: bool = False self.paused: bool = False - self.scheduler_cls: type[BaseScheduler] = self._get_scheduler_class( - crawler.settings - ) - downloader_cls: type[Downloader] = load_object(self.settings["DOWNLOADER"]) - self.downloader: Downloader = downloader_cls(crawler) - self.scraper: Scraper = Scraper(crawler) self._spider_closed_callback: Callable[[Spider], Deferred[None] | None] = ( spider_closed_callback ) self.start_time: float | None = None + self._start: AsyncIterator[Any] | None = None + downloader_cls: type[Downloader] = load_object(self.settings["DOWNLOADER"]) + try: + self.scheduler_cls: type[BaseScheduler] = self._get_scheduler_class( + crawler.settings + ) + self.downloader: Downloader = downloader_cls(crawler) + self.scraper: Scraper = Scraper(crawler) + except Exception: + self.close() + raise def _get_scheduler_class(self, settings: BaseSettings) -> type[BaseScheduler]: from scrapy.core.scheduler import BaseScheduler @@ -114,22 +124,28 @@ class ExecutionEngine: ) return scheduler_cls - @inlineCallbacks - def start(self) -> Generator[Deferred[Any], Any, None]: + @deferred_f_from_coro_f + async def start(self, _start_request_processing=True) -> None: if self.running: raise RuntimeError("Engine already running") self.start_time = time() - yield self.signals.send_catch_log_deferred(signal=signals.engine_started) + await maybe_deferred_to_future( + self.signals.send_catch_log_deferred(signal=signals.engine_started) + ) self.running = True self._closewait: Deferred[None] = Deferred() - yield self._closewait + if _start_request_processing: + self._start_request_processing() + await maybe_deferred_to_future(self._closewait) def stop(self) -> Deferred[None]: """Gracefully stop the execution engine""" - @inlineCallbacks - def _finish_stopping_engine(_: Any) -> Generator[Deferred[Any], Any, None]: - yield self.signals.send_catch_log_deferred(signal=signals.engine_stopped) + @deferred_f_from_coro_f + async def _finish_stopping_engine(_: Any) -> None: + await maybe_deferred_to_future( + self.signals.send_catch_log_deferred(signal=signals.engine_stopped) + ) self._closewait.callback(None) if not self.running: @@ -163,59 +179,85 @@ class ExecutionEngine: def unpause(self) -> None: self.paused = False - def _next_request(self) -> None: - if self.slot is None: - return + async def _process_start_next(self): + """Processes the next item or request from Spider.start(). - assert self.spider is not None # typing - - if self.paused: - return - - while ( - not self._needs_backout() - and self._next_request_from_scheduler() is not None - ): - pass - - if self.slot.start_requests is not None and not self._needs_backout(): - try: - request_or_item = next(self.slot.start_requests) - except StopIteration: - self.slot.start_requests = None - except Exception: - self.slot.start_requests = None - logger.error( - "Error while obtaining start requests", - exc_info=True, - extra={"spider": self.spider}, - ) + If a request, it is scheduled. If an item, it is sent to item + pipelines. + """ + try: + item_or_request = await self._start.__anext__() + except StopAsyncIteration: + self._start = None + except Exception as exception: + self._start = None + exception_traceback = format_exc() + logger.error( + f"Error while reading start items and requests: {exception}.\n{exception_traceback}", + exc_info=True, + ) + else: + if not self.spider: + return # spider already closed + if isinstance(item_or_request, Request): + self.crawl(item_or_request) else: - if isinstance(request_or_item, Request): - self.crawl(request_or_item) - else: - self.scraper.start_itemproc(request_or_item, response=None) + self.scraper.start_itemproc(item_or_request, response=None) + self._slot.nextcall.schedule() - if self.spider_is_idle() and self.slot.close_if_idle: + @deferred_f_from_coro_f + async def _start_request_processing(self) -> None: + """Starts consuming Spider.start() output and sending scheduled + requests.""" + # Starts the processing of scheduled requests, as well as a periodic + # call to that processing method for scenarios where the scheduler + # reports having pending requests but returns none. + assert self._slot is not None # typing + self._slot.nextcall.schedule() + self._slot.heartbeat.start(self._SLOT_HEARTBEAT_INTERVAL) + + while self._start and self.spider: + await self._process_start_next() + if not self.needs_backout(): + # Give room for the outcome of self._process_start_next() to be + # processed before continuing with the next iteration. + self._slot.nextcall.schedule() + await self._slot.nextcall.wait() + + def _start_scheduled_requests(self) -> None: + if self._slot is None or self._slot.closing is not None or self.paused: + return + + while not self.needs_backout(): + if not self._start_scheduled_request(): + break + + if self.spider_is_idle() and self._slot.close_if_idle: self._spider_idle() - def _needs_backout(self) -> bool: - assert self.slot is not None # typing + def needs_backout(self) -> bool: + """Returns ``True`` if no more requests can be sent at the moment, or + ``False`` otherwise. + + See :ref:`start-requests-lazy` for an example. + """ + assert self._slot is not None # typing assert self.scraper.slot is not None # typing return ( not self.running - or bool(self.slot.closing) + or bool(self._slot.closing) or self.downloader.needs_backout() or self.scraper.slot.needs_backout() ) - def _next_request_from_scheduler(self) -> Deferred[None] | None: - assert self.slot is not None # typing + def _start_scheduled_request(self) -> bool: + assert self._slot is not None # typing assert self.spider is not None # typing - request = self.slot.scheduler.next_request() + request = self._slot.scheduler.next_request() if request is None: - return None + self.signals.send_catch_log(signals.scheduler_empty) + return False d: Deferred[Response | Request] = self._download(request) d.addBoth(self._handle_downloader_output, request) @@ -228,8 +270,8 @@ class ExecutionEngine: ) def _remove_request(_: Any) -> None: - assert self.slot - self.slot.remove_request(request) + assert self._slot + self._slot.remove_request(request) d2: Deferred[None] = d.addBoth(_remove_request) d2.addErrback( @@ -239,7 +281,7 @@ class ExecutionEngine: extra={"spider": self.spider}, ) ) - slot = self.slot + slot = self._slot d2.addBoth(lambda _: slot.nextcall.schedule()) d2.addErrback( lambda f: logger.info( @@ -248,13 +290,12 @@ class ExecutionEngine: extra={"spider": self.spider}, ) ) - return d2 + return True + @inlineCallbacks def _handle_downloader_output( self, result: Request | Response | Failure, request: Request - ) -> _HandleOutputDeferred | None: - assert self.spider is not None # typing - + ) -> Generator[Deferred[Any], Any, None]: if not isinstance(result, (Request, Response, Failure)): raise TypeError( f"Incorrect type: expected Request, Response or Failure, got {type(result)}: {result!r}" @@ -263,35 +304,35 @@ class ExecutionEngine: # downloader middleware can return requests (for example, redirects) if isinstance(result, Request): self.crawl(result) - return None + return - d = self.scraper.enqueue_scrape(result, request) - d.addErrback( - lambda f: logger.error( - "Error while enqueuing downloader output", - exc_info=failure_to_exc_info(f), + try: + yield self.scraper.enqueue_scrape(result, request) + except Exception: + assert self.spider is not None + logger.error( + "Error while enqueuing scrape", + exc_info=True, extra={"spider": self.spider}, ) - ) - return d def spider_is_idle(self) -> bool: - if self.slot is None: + if self._slot is None: raise RuntimeError("Engine slot not assigned") if not self.scraper.slot.is_idle(): # type: ignore[union-attr] return False if self.downloader.active: # downloader has pending requests return False - if self.slot.start_requests is not None: # not all start requests are handled + if self._start is not None: # not all start requests are handled return False - return not self.slot.scheduler.has_pending_requests() + return not self._slot.scheduler.has_pending_requests() def crawl(self, request: Request) -> None: """Inject the request into the spider <-> downloader pipeline""" if self.spider is None: raise RuntimeError(f"No open spider to crawl: {request}") self._schedule_request(request) - self.slot.nextcall.schedule() # type: ignore[union-attr] + self._slot.nextcall.schedule() # type: ignore[union-attr] def _schedule_request(self, request: Request) -> None: request_scheduled_result = self.signals.send_catch_log( @@ -303,7 +344,7 @@ class ExecutionEngine: for handler, result in request_scheduled_result: if isinstance(result, Failure) and isinstance(result.value, IgnoreRequest): return - if not self.slot.scheduler.enqueue_request(request): # type: ignore[union-attr] + if not self._slot.scheduler.enqueue_request(request): # type: ignore[union-attr] self.signals.send_catch_log( signals.request_dropped, request=request, spider=self.spider ) @@ -320,14 +361,14 @@ class ExecutionEngine: def _downloaded( self, result: Response | Request | Failure, request: Request ) -> Deferred[Response] | Response | Failure: - assert self.slot is not None # typing - self.slot.remove_request(request) + assert self._slot is not None # typing + self._slot.remove_request(request) return self.download(result) if isinstance(result, Request) else result def _download(self, request: Request) -> Deferred[Response | Request]: - assert self.slot is not None # typing + assert self._slot is not None # typing - self.slot.add_request(request) + self._slot.add_request(request) def _on_success(result: Response | Request) -> Response | Request: if not isinstance(result, (Response, Request)): @@ -352,8 +393,8 @@ class ExecutionEngine: return result def _on_complete(_: _T) -> _T: - assert self.slot is not None - self.slot.nextcall.schedule() + assert self._slot is not None + self._slot.nextcall.schedule() return _ assert self.spider is not None @@ -362,31 +403,28 @@ class ExecutionEngine: dwld.addBoth(_on_complete) return dwld - @inlineCallbacks - def open_spider( + @deferred_f_from_coro_f + async def open_spider( self, spider: Spider, - start_requests: Iterable[Request] = (), close_if_idle: bool = True, - ) -> Generator[Deferred[Any], Any, None]: - if self.slot is not None: + ) -> None: + if self._slot is not None: raise RuntimeError(f"No free spider slot when opening {spider.name!r}") logger.info("Spider opened", extra={"spider": spider}) - nextcall = CallLaterOnce(self._next_request) - scheduler = build_from_crawler(self.scheduler_cls, self.crawler) - start_requests = yield self.scraper.spidermw.process_start_requests( - start_requests, spider - ) - self.slot = Slot(start_requests, close_if_idle, nextcall, scheduler) self.spider = spider + nextcall = CallLaterOnce(self._start_scheduled_requests) + scheduler = build_from_crawler(self.scheduler_cls, self.crawler) + self._slot = _Slot(close_if_idle, nextcall, scheduler) + self._start = await self.scraper.spidermw.process_start(spider) if hasattr(scheduler, "open") and (d := scheduler.open(spider)): - yield d - yield self.scraper.open_spider(spider) + await maybe_deferred_to_future(d) + await maybe_deferred_to_future(self.scraper.open_spider(spider)) assert self.crawler.stats self.crawler.stats.open_spider(spider) - yield self.signals.send_catch_log_deferred(signals.spider_opened, spider=spider) - self.slot.nextcall.schedule() - self.slot.heartbeat.start(5) + await maybe_deferred_to_future( + self.signals.send_catch_log_deferred(signals.spider_opened, spider=spider) + ) def _spider_idle(self) -> None: """ @@ -415,17 +453,17 @@ class ExecutionEngine: def close_spider(self, spider: Spider, reason: str = "cancelled") -> Deferred[None]: """Close (cancel) spider and clear all its outstanding requests""" - if self.slot is None: + if self._slot is None: raise RuntimeError("Engine slot not assigned") - if self.slot.closing is not None: - return self.slot.closing + if self._slot.closing is not None: + return self._slot.closing logger.info( "Closing spider (%(reason)s)", {"reason": reason}, extra={"spider": spider} ) - dfd = self.slot.close() + dfd = self._slot.close() def log_failure(msg: str) -> Callable[[Failure], None]: def errback(failure: Failure) -> None: @@ -441,8 +479,8 @@ class ExecutionEngine: dfd.addBoth(lambda _: self.scraper.close_spider()) dfd.addErrback(log_failure("Scraper close failure")) - if hasattr(self.slot.scheduler, "close"): - dfd.addBoth(lambda _: cast(Slot, self.slot).scheduler.close(reason)) + if hasattr(self._slot.scheduler, "close"): + dfd.addBoth(lambda _: cast(_Slot, self._slot).scheduler.close(reason)) dfd.addErrback(log_failure("Scheduler close failure")) dfd.addBoth( diff --git a/scrapy/core/scheduler.py b/scrapy/core/scheduler.py index 4bb143dfd..57d27b7cf 100644 --- a/scrapy/core/scheduler.py +++ b/scrapy/core/scheduler.py @@ -5,13 +5,16 @@ import logging from abc import abstractmethod from pathlib import Path from typing import TYPE_CHECKING, Any, cast +from warnings import warn # working around https://github.com/sphinx-doc/sphinx/issues/10400 from twisted.internet.defer import Deferred # noqa: TC002 +from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.spiders import Spider # noqa: TC001 from scrapy.utils.job import job_dir from scrapy.utils.misc import build_from_crawler, load_object +from scrapy.utils.python import global_object_name if TYPE_CHECKING: # requires queuelib >= 1.6.2 @@ -50,18 +53,17 @@ class BaseSchedulerMeta(type): class BaseScheduler(metaclass=BaseSchedulerMeta): - """ - The scheduler component is responsible for storing requests received from - the engine, and feeding them back upon request (also to the engine). + """The scheduler component is responsible for storing requests received + from the engine, and feeding them back upon request (also to the engine). The original sources of said requests are: - * Spider: ``start_requests`` method, requests created for URLs in the ``start_urls`` attribute, request callbacks + * Spider: ``start`` method, requests created for URLs in the ``start_urls`` attribute, request callbacks * Spider middleware: ``process_spider_output`` and ``process_spider_exception`` methods * Downloader middleware: ``process_request``, ``process_response`` and ``process_exception`` methods The order in which the scheduler returns its stored requests (via the ``next_request`` method) - plays a great part in determining the order in which those requests are downloaded. + plays a great part in determining the order in which those requests are downloaded. See :ref:`request-order`. The methods defined in this class constitute the minimal interface that the Scrapy engine will interact with. """ @@ -126,55 +128,112 @@ class BaseScheduler(metaclass=BaseSchedulerMeta): class Scheduler(BaseScheduler): + """Default scheduler. + + Requests are stored into priority queues + (:setting:`SCHEDULER_PRIORITY_QUEUE`) that sort requests by + :attr:`~scrapy.http.Request.priority`. + + By default, a single, memory-based priority queue is used for all requests. + When using :setting:`JOBDIR`, a disk-based priority queue is also created, + and only unserializable requests are stored in the memory-based priority + queue. For a given priority value, requests in memory take precedence over + requests in disk. + + Each priority queue stores requests in separate internal queues, one per + priority value. The memory priority queue uses + :setting:`SCHEDULER_MEMORY_QUEUE` queues, while the disk priority queue + uses :setting:`SCHEDULER_DISK_QUEUE` queues. The internal queues determine + :ref:`request order ` when requests have the same priority. + :ref:`Start requests ` are stored into separate internal + queues by default, and :ref:`ordered differently `. + + Duplicate requests are filtered out with an instance of + :setting:`DUPEFILTER_CLASS`. + + .. _request-order: + + Request order + ============= + + With default settings, pending requests are stored in a LIFO_ queue + (:ref:`except for start requests `). As a result, + crawling happens in `DFO order`_, which is usually the most convenient + crawl order. However, you can enforce :ref:`BFO ` or :ref:`a custom + order ` (:ref:`except for the first few requests + `). + + .. _LIFO: https://en.wikipedia.org/wiki/Stack_(abstract_data_type) + .. _DFO order: https://en.wikipedia.org/wiki/Depth-first_search + + .. _start-request-order: + + Start request order + ------------------- + + :ref:`Start requests ` are sent in the order they are + yielded from :meth:`~scrapy.Spider.start`, and given the same + :attr:`~scrapy.http.Request.priority`, start requests take precedence over + other requests. + + You can set :setting:`SCHEDULER_START_MEMORY_QUEUE` and + :setting:`SCHEDULER_START_DISK_QUEUE` to ``None`` to handle start requests + the same as other requests when it comes to order and priority. + + + .. _bfo: + + Crawling in BFO order + --------------------- + + If you do want to crawl in `BFO order`_, you can do it by setting the + following :ref:`settings `: + + | :setting:`DEPTH_PRIORITY` = ``1`` + | :setting:`SCHEDULER_DISK_QUEUE` = ``"scrapy.squeues.PickleFifoDiskQueue"`` + | :setting:`SCHEDULER_MEMORY_QUEUE` = ``"scrapy.squeues.FifoMemoryQueue"`` + + .. _BFO order: https://en.wikipedia.org/wiki/Breadth-first_search + + + .. _custom-request-order: + + Crawling in a custom order + -------------------------- + + You can manually set :attr:`~scrapy.http.Request.priority` on requests to + force a specific request order. + + + .. _concurrency-v-order: + + Concurrency affects order + ------------------------- + + While pending requests are below the configured values of + :setting:`CONCURRENT_REQUESTS`, :setting:`CONCURRENT_REQUESTS_PER_DOMAIN` + or :setting:`CONCURRENT_REQUESTS_PER_IP`, those requests are sent + concurrently. + + As a result, the first few requests of a crawl may not follow the desired + order. Lowering those settings to ``1`` enforces the desired order except + for the very first request, but it significantly slows down the crawl as a + whole. """ - Default Scrapy scheduler. This implementation also handles duplication - filtering via the :setting:`dupefilter `. - This scheduler stores requests into several priority queues (defined by the - :setting:`SCHEDULER_PRIORITY_QUEUE` setting). In turn, said priority queues - are backed by either memory or disk based queues (respectively defined by the - :setting:`SCHEDULER_MEMORY_QUEUE` and :setting:`SCHEDULER_DISK_QUEUE` settings). - - Request prioritization is almost entirely delegated to the priority queue. The only - prioritization performed by this scheduler is using the disk-based queue if present - (i.e. if the :setting:`JOBDIR` setting is defined) and falling back to the memory-based - queue if a serialization error occurs. If the disk queue is not present, the memory one - is used directly. - - :param dupefilter: An object responsible for checking and filtering duplicate requests. - The value for the :setting:`DUPEFILTER_CLASS` setting is used by default. - :type dupefilter: :class:`scrapy.dupefilters.BaseDupeFilter` instance or similar: - any class that implements the `BaseDupeFilter` interface - - :param jobdir: The path of a directory to be used for persisting the crawl's state. - The value for the :setting:`JOBDIR` setting is used by default. - See :ref:`topics-jobs`. - :type jobdir: :class:`str` or ``None`` - - :param dqclass: A class to be used as persistent request queue. - The value for the :setting:`SCHEDULER_DISK_QUEUE` setting is used by default. - :type dqclass: class - - :param mqclass: A class to be used as non-persistent request queue. - The value for the :setting:`SCHEDULER_MEMORY_QUEUE` setting is used by default. - :type mqclass: class - - :param logunser: A boolean that indicates whether or not unserializable requests should be logged. - The value for the :setting:`SCHEDULER_DEBUG` setting is used by default. - :type logunser: bool - - :param stats: A stats collector object to record stats about the request scheduling process. - The value for the :setting:`STATS_CLASS` setting is used by default. - :type stats: :class:`scrapy.statscollectors.StatsCollector` instance or similar: - any class that implements the `StatsCollector` interface - - :param pqclass: A class to be used as priority queue for requests. - The value for the :setting:`SCHEDULER_PRIORITY_QUEUE` setting is used by default. - :type pqclass: class - - :param crawler: The crawler object corresponding to the current crawl. - :type crawler: :class:`scrapy.crawler.Crawler` - """ + @classmethod + def from_crawler(cls, crawler: Crawler) -> Self: + dupefilter_cls = load_object(crawler.settings["DUPEFILTER_CLASS"]) + return cls( + dupefilter=build_from_crawler(dupefilter_cls, crawler), + jobdir=job_dir(crawler.settings), + dqclass=load_object(crawler.settings["SCHEDULER_DISK_QUEUE"]), + mqclass=load_object(crawler.settings["SCHEDULER_MEMORY_QUEUE"]), + logunser=crawler.settings.getbool("SCHEDULER_DEBUG"), + stats=crawler.stats, + pqclass=load_object(crawler.settings["SCHEDULER_PRIORITY_QUEUE"]), + crawler=crawler, + ) def __init__( self, @@ -187,6 +246,42 @@ class Scheduler(BaseScheduler): pqclass: type[ScrapyPriorityQueue] | None = None, crawler: Crawler | None = None, ): + """Initialize the scheduler. + + :param dupefilter: An object responsible for checking and filtering duplicate requests. + The value for the :setting:`DUPEFILTER_CLASS` setting is used by default. + :type dupefilter: :class:`scrapy.dupefilters.BaseDupeFilter` instance or similar: + any class that implements the `BaseDupeFilter` interface + + :param jobdir: The path of a directory to be used for persisting the crawl's state. + The value for the :setting:`JOBDIR` setting is used by default. + See :ref:`topics-jobs`. + :type jobdir: :class:`str` or ``None`` + + :param dqclass: A class to be used as persistent request queue. + The value for the :setting:`SCHEDULER_DISK_QUEUE` setting is used by default. + :type dqclass: class + + :param mqclass: A class to be used as non-persistent request queue. + The value for the :setting:`SCHEDULER_MEMORY_QUEUE` setting is used by default. + :type mqclass: class + + :param logunser: A boolean that indicates whether or not unserializable requests should be logged. + The value for the :setting:`SCHEDULER_DEBUG` setting is used by default. + :type logunser: bool + + :param stats: A stats collector object to record stats about the request scheduling process. + The value for the :setting:`STATS_CLASS` setting is used by default. + :type stats: :class:`scrapy.statscollectors.StatsCollector` instance or similar: + any class that implements the `StatsCollector` interface + + :param pqclass: A class to be used as priority queue for requests. + The value for the :setting:`SCHEDULER_PRIORITY_QUEUE` setting is used by default. + :type pqclass: class + + :param crawler: The crawler object corresponding to the current crawl. + :type crawler: :class:`scrapy.crawler.Crawler` + """ self.df: BaseDupeFilter = dupefilter self.dqdir: str | None = self._dqdir(jobdir) self.pqclass: type[ScrapyPriorityQueue] | None = pqclass @@ -195,23 +290,22 @@ class Scheduler(BaseScheduler): self.logunser: bool = logunser self.stats: StatsCollector | None = stats self.crawler: Crawler | None = crawler - - @classmethod - def from_crawler(cls, crawler: Crawler) -> Self: - """ - Factory method, initializes the scheduler with arguments taken from the crawl settings - """ - dupefilter_cls = load_object(crawler.settings["DUPEFILTER_CLASS"]) - return cls( - dupefilter=build_from_crawler(dupefilter_cls, crawler), - jobdir=job_dir(crawler.settings), - dqclass=load_object(crawler.settings["SCHEDULER_DISK_QUEUE"]), - mqclass=load_object(crawler.settings["SCHEDULER_MEMORY_QUEUE"]), - logunser=crawler.settings.getbool("SCHEDULER_DEBUG"), - stats=crawler.stats, - pqclass=load_object(crawler.settings["SCHEDULER_PRIORITY_QUEUE"]), - crawler=crawler, + self._sdqclass: type[BaseQueue] | None = self._get_start_queue_cls( + crawler, "DISK" ) + self._smqclass: type[BaseQueue] | None = self._get_start_queue_cls( + crawler, "MEMORY" + ) + + def _get_start_queue_cls( + self, crawler: Crawler | None, queue: str + ) -> type[BaseQueue] | None: + if crawler is None: + return None + cls = crawler.settings[f"SCHEDULER_START_{queue}_QUEUE"] + if not cls: + return None + return load_object(cls) def has_pending_requests(self) -> bool: return len(self) > 0 @@ -324,12 +418,27 @@ class Scheduler(BaseScheduler): """Create a new priority queue instance, with in-memory storage""" assert self.crawler assert self.pqclass - return build_from_crawler( - self.pqclass, - self.crawler, - downstream_queue_cls=self.mqclass, - key="", - ) + try: + return build_from_crawler( + self.pqclass, + self.crawler, + downstream_queue_cls=self.mqclass, + key="", + start_queue_cls=self._smqclass, + ) + except TypeError: + warn( + f"The __init__ method of {global_object_name(self.pqclass)} " + f"does not support a `start_queue_cls` keyword-only " + f"parameter.", + ScrapyDeprecationWarning, + ) + return build_from_crawler( + self.pqclass, + self.crawler, + downstream_queue_cls=self.mqclass, + key="", + ) def _dq(self) -> ScrapyPriorityQueue: """Create a new priority queue instance, with disk storage""" @@ -337,13 +446,29 @@ class Scheduler(BaseScheduler): assert self.dqdir assert self.pqclass state = self._read_dqs_state(self.dqdir) - q = build_from_crawler( - self.pqclass, - self.crawler, - downstream_queue_cls=self.dqclass, - key=self.dqdir, - startprios=state, - ) + try: + q = build_from_crawler( + self.pqclass, + self.crawler, + downstream_queue_cls=self.dqclass, + key=self.dqdir, + startprios=state, + start_queue_cls=self._sdqclass, + ) + except TypeError: + warn( + f"The __init__ method of {global_object_name(self.pqclass)} " + f"does not support a `start_queue_cls` keyword-only " + f"parameter.", + ScrapyDeprecationWarning, + ) + q = build_from_crawler( + self.pqclass, + self.crawler, + downstream_queue_cls=self.dqclass, + key=self.dqdir, + startprios=state, + ) if q: logger.info( "Resuming crawl (%(queuesize)d requests scheduled)", diff --git a/scrapy/core/scraper.py b/scrapy/core/scraper.py index 6f69d668e..9378f2651 100644 --- a/scrapy/core/scraper.py +++ b/scrapy/core/scraper.py @@ -6,10 +6,10 @@ from __future__ import annotations import logging import warnings from collections import deque -from collections.abc import AsyncIterable, Iterator -from typing import TYPE_CHECKING, Any, TypeVar, Union, cast +from collections.abc import AsyncIterator +from typing import TYPE_CHECKING, Any, TypeVar, Union -from twisted.internet.defer import Deferred, inlineCallbacks +from twisted.internet.defer import Deferred, inlineCallbacks, maybeDeferred from twisted.python.failure import Failure from scrapy import Spider, signals @@ -22,10 +22,12 @@ from scrapy.exceptions import ( ) from scrapy.http import Request, Response from scrapy.utils.defer import ( + _defer_sleep, aiter_errback, - defer_fail, - defer_succeed, + deferred_f_from_coro_f, + deferred_from_coro, iter_errback, + maybe_deferred_to_future, parallel, parallel_async, ) @@ -46,9 +48,7 @@ logger = logging.getLogger(__name__) _T = TypeVar("_T") -_ParallelResult = list[tuple[bool, Iterator[Any]]] -_HandleOutputDeferred = Deferred[Union[_ParallelResult, None]] -QueueTuple = tuple[Union[Response, Failure], Request, _HandleOutputDeferred] +QueueTuple = tuple[Union[Response, Failure], Request, Deferred[None]] class Slot: @@ -66,8 +66,9 @@ class Slot: def add_response_request( self, result: Response | Failure, request: Request - ) -> _HandleOutputDeferred: - deferred: _HandleOutputDeferred = Deferred() + ) -> Deferred[None]: + # this Deferred will be awaited in enqueue_scrape() + deferred: Deferred[None] = Deferred() self.queue.append((result, request, deferred)) if isinstance(result, Response): self.active_size += max(len(result.body), self.MIN_RESPONSE_SIZE) @@ -76,9 +77,9 @@ class Slot: return deferred def next_response_request_deferred(self) -> QueueTuple: - response, request, deferred = self.queue.popleft() + result, request, deferred = self.queue.popleft() self.active.add(request) - return response, request, deferred + return result, request, deferred def finish_response(self, result: Response | Failure, request: Request) -> None: self.active.remove(request) @@ -143,9 +144,10 @@ class Scraper: assert self.crawler.spider self.slot.closing.callback(self.crawler.spider) + @inlineCallbacks def enqueue_scrape( self, result: Response | Failure, request: Request, spider: Spider | None = None - ) -> _HandleOutputDeferred: + ) -> Generator[Deferred[Any], Any, None]: if spider is not None: warnings.warn( "Passing a 'spider' argument to Scraper.enqueue_scrape() is deprecated.", @@ -156,103 +158,106 @@ class Scraper: if self.slot is None: raise RuntimeError("Scraper slot not assigned") dfd = self.slot.add_response_request(result, request) - - def finish_scraping(_: _T) -> _T: - assert self.slot is not None + self._scrape_next() + try: + yield dfd + except Exception: + logger.error( + "Scraper bug processing %(request)s", + {"request": request}, + exc_info=True, + extra={"spider": self.crawler.spider}, + ) + finally: self.slot.finish_response(result, request) self._check_if_closing() self._scrape_next() - return _ - - dfd.addBoth(finish_scraping) - dfd.addErrback( - lambda f: logger.error( - "Scraper bug processing %(request)s", - {"request": request}, - exc_info=failure_to_exc_info(f), - extra={"spider": self.crawler.spider}, - ) - ) - self._scrape_next() - return dfd def _scrape_next(self) -> None: assert self.slot is not None # typing while self.slot.queue: - response, request, deferred = self.slot.next_response_request_deferred() - self._scrape(response, request).chainDeferred(deferred) + result, request, deferred = self.slot.next_response_request_deferred() + self._scrape(result, request).chainDeferred(deferred) - def _scrape( - self, result: Response | Failure, request: Request - ) -> _HandleOutputDeferred: - """ - Handle the downloaded response or failure through the spider callback/errback - """ + @deferred_f_from_coro_f + async def _scrape(self, result: Response | Failure, request: Request) -> None: + """Handle the downloaded response or failure through the spider callback/errback.""" if not isinstance(result, (Response, Failure)): raise TypeError( f"Incorrect type: expected Response or Failure, got {type(result)}: {result!r}" ) - dfd: Deferred[Iterable[Any] | AsyncIterable[Any]] = self._scrape2( - result, request - ) # returns spider's processed output - dfd.addErrback(self.handle_spider_error, request, result) - dfd2: _HandleOutputDeferred = dfd.addCallback( - self.handle_spider_output, request, cast(Response, result) - ) - return dfd2 - def _scrape2( - self, result: Response | Failure, request: Request - ) -> Deferred[Iterable[Any] | AsyncIterable[Any]]: - """ - Handle the different cases of request's result been a Response or a Failure - """ + assert self.crawler.spider if isinstance(result, Response): - # Deferreds are invariant so Mutable*Chain isn't matched to *Iterable - assert self.crawler.spider - return self.spidermw.scrape_response( # type: ignore[return-value] - self.call_spider, result, request, self.crawler.spider - ) - # else result is a Failure - dfd = self.call_spider(result, request) - dfd.addErrback(self._log_download_errors, result, request) - return dfd + try: + # call the spider middlewares and the request callback with the response + output = await maybe_deferred_to_future( + self.spidermw.scrape_response( + self.call_spider, result, request, self.crawler.spider + ) + ) + except Exception: + self.handle_spider_error(Failure(), request, result) + else: + await self.handle_spider_output_async(output, request, result) + return + + try: + # call the request errback with the downloader error + await self.call_spider_async(result, request) + except Exception as spider_exc: + # the errback didn't silence the exception + if not result.check(IgnoreRequest): + logkws = self.logformatter.download_error( + result, request, self.crawler.spider + ) + logger.log( + *logformatter_adapter(logkws), + extra={"spider": self.crawler.spider}, + exc_info=failure_to_exc_info(result), + ) + if spider_exc is not result.value: + # the errback raised a different exception, handle it + self.handle_spider_error(Failure(), request, result) def call_spider( self, result: Response | Failure, request: Request, spider: Spider | None = None - ) -> Deferred[Iterable[Any] | AsyncIterable[Any]]: + ) -> Deferred[Iterable[Any] | AsyncIterator[Any]]: if spider is not None: warnings.warn( "Passing a 'spider' argument to Scraper.call_spider() is deprecated.", category=ScrapyDeprecationWarning, stacklevel=2, ) + return deferred_from_coro(self.call_spider_async(result, request)) + async def call_spider_async( + self, result: Response | Failure, request: Request + ) -> Iterable[Any] | AsyncIterator[Any]: + """Call the request callback or errback with the response or failure.""" + await maybe_deferred_to_future(_defer_sleep()) assert self.crawler.spider - dfd: Deferred[Any] if isinstance(result, Response): if getattr(result, "request", None) is None: result.request = request assert result.request callback = result.request.callback or self.crawler.spider._parse warn_on_generator_with_return_value(self.crawler.spider, callback) - dfd = defer_succeed(result) - dfd.addCallbacks( - callback=callback, callbackKeywords=result.request.cb_kwargs - ) + output = callback(result, **result.request.cb_kwargs) else: # result is a Failure # TODO: properly type adding this attribute to a Failure result.request = request # type: ignore[attr-defined] - dfd = defer_fail(result) - if request.errback: - warn_on_generator_with_return_value( - self.crawler.spider, request.errback - ) - dfd.addErrback(request.errback) - dfd2: Deferred[Iterable[Any] | AsyncIterable[Any]] = dfd.addCallback( - iterate_spider_output + if not request.errback: + result.raiseException() + warn_on_generator_with_return_value(self.crawler.spider, request.errback) + output = request.errback(result) + if isinstance(output, Failure): + output.raiseException() + # else the errback returned actual output (like a callback), + # which needs to be passed to iterate_spider_output() + return await maybe_deferred_to_future( + maybeDeferred(iterate_spider_output, output) ) - return dfd2 def handle_spider_error( self, @@ -261,6 +266,7 @@ class Scraper: response: Response | Failure, spider: Spider | None = None, ) -> None: + """Handle an exception raised by a spider callback or errback.""" if spider is not None: warnings.warn( "Passing a 'spider' argument to Scraper.handle_spider_error() is deprecated.", @@ -301,57 +307,68 @@ class Scraper: def handle_spider_output( self, - result: Iterable[_T] | AsyncIterable[_T], + result: Iterable[_T] | AsyncIterator[_T], request: Request, response: Response, spider: Spider | None = None, - ) -> _HandleOutputDeferred: + ) -> Deferred[None]: + """Pass items/requests produced by a callback to ``_process_spidermw_output()`` in parallel.""" if spider is not None: warnings.warn( "Passing a 'spider' argument to Scraper.handle_spider_output() is deprecated.", category=ScrapyDeprecationWarning, stacklevel=2, ) + return deferred_from_coro( + self.handle_spider_output_async(result, request, response) + ) - if not result: - return defer_succeed(None) - it: Iterable[_T] | AsyncIterable[_T] - dfd: Deferred[_ParallelResult] - if isinstance(result, AsyncIterable): - it = aiter_errback(result, self.handle_spider_error, request, response) - dfd = parallel_async( + async def handle_spider_output_async( + self, + result: Iterable[_T] | AsyncIterator[_T], + request: Request, + response: Response, + ) -> None: + """Pass items/requests produced by a callback to ``_process_spidermw_output()`` in parallel.""" + if isinstance(result, AsyncIterator): + ait = aiter_errback(result, self.handle_spider_error, request, response) + await maybe_deferred_to_future( + parallel_async( + ait, + self.concurrent_items, + self._process_spidermw_output, + response, + ) + ) + return + it = iter_errback(result, self.handle_spider_error, request, response) + await maybe_deferred_to_future( + parallel( it, self.concurrent_items, self._process_spidermw_output, response, ) - else: - it = iter_errback(result, self.handle_spider_error, request, response) - dfd = parallel( - it, - self.concurrent_items, - self._process_spidermw_output, - response, - ) - # returning Deferred[_ParallelResult] instead of Deferred[Union[_ParallelResult, None]] - return dfd # type: ignore[return-value] + ) - def _process_spidermw_output( - self, output: Any, response: Response - ) -> Deferred[Any] | None: + @deferred_f_from_coro_f + async def _process_spidermw_output(self, output: Any, response: Response) -> None: """Process each Request/Item (given in the output parameter) returned - from the given spider + from the given spider. + + Items are sent to the item pipelines, requests are scheduled. """ if isinstance(output, Request): assert self.crawler.engine is not None # typing self.crawler.engine.crawl(request=output) - elif output is None: - pass - else: - return self.start_itemproc(output, response=response) - return None + return + if output is not None: + await maybe_deferred_to_future( + self.start_itemproc(output, response=response) + ) - def start_itemproc(self, item: Any, *, response: Response | None) -> Deferred[Any]: + @deferred_f_from_coro_f + async def start_itemproc(self, item: Any, *, response: Response | None) -> None: """Send *item* to the item pipelines for processing. *response* is the source of the item data. If the item does not come @@ -360,90 +377,56 @@ class Scraper: assert self.slot is not None # typing assert self.crawler.spider is not None # typing self.slot.itemproc_size += 1 - dfd = self.itemproc.process_item(item, self.crawler.spider) - dfd.addBoth(self._itemproc_finished, item, response) - return dfd - - def _log_download_errors( - self, - spider_failure: Failure, - download_failure: Failure, - request: Request, - ) -> Failure | None: - """Log and silence errors that come from the engine (typically download - errors that got propagated thru here). - - spider_failure: the value passed into the errback of self.call_spider() - (likely raised in the request errback) - - download_failure: the value passed into _scrape2() from - ExecutionEngine._handle_downloader_output() as "result" - (likely raised in the download handler or a downloader middleware) - """ - if not download_failure.check(IgnoreRequest): - assert self.crawler.spider - logkws = self.logformatter.download_error( - download_failure, request, self.crawler.spider + try: + output = await maybe_deferred_to_future( + self.itemproc.process_item(item, self.crawler.spider) ) - logger.log( - *logformatter_adapter(logkws), - extra={"spider": self.crawler.spider}, - exc_info=failure_to_exc_info(download_failure), - ) - if spider_failure is not download_failure: - # a request errback raised a different exception, it needs to be handled later - return spider_failure - return None - - def _itemproc_finished( - self, output: Any, item: Any, response: Response | None - ) -> Deferred[Any]: - """ItemProcessor finished for the given ``item`` and returned ``output``""" - assert self.slot is not None # typing - assert self.crawler.spider - self.slot.itemproc_size -= 1 - if isinstance(output, Failure): - ex = output.value - if isinstance(ex, DropItem): - logkws = self.logformatter.dropped( - item, ex, response, self.crawler.spider + except DropItem as ex: + logkws = self.logformatter.dropped(item, ex, response, self.crawler.spider) + if logkws is not None: + logger.log( + *logformatter_adapter(logkws), extra={"spider": self.crawler.spider} ) - if logkws is not None: - logger.log( - *logformatter_adapter(logkws), - extra={"spider": self.crawler.spider}, - ) - return self.signals.send_catch_log_deferred( + await maybe_deferred_to_future( + self.signals.send_catch_log_deferred( signal=signals.item_dropped, item=item, response=response, spider=self.crawler.spider, - exception=output.value, + exception=ex, ) - assert ex + ) + except Exception as ex: logkws = self.logformatter.item_error( item, ex, response, self.crawler.spider ) logger.log( *logformatter_adapter(logkws), extra={"spider": self.crawler.spider}, - exc_info=failure_to_exc_info(output), + exc_info=True, ) - return self.signals.send_catch_log_deferred( - signal=signals.item_error, - item=item, - response=response, - spider=self.crawler.spider, - failure=output, + await maybe_deferred_to_future( + self.signals.send_catch_log_deferred( + signal=signals.item_error, + item=item, + response=response, + spider=self.crawler.spider, + failure=Failure(), + ) ) - logkws = self.logformatter.scraped(output, response, self.crawler.spider) - if logkws is not None: - logger.log( - *logformatter_adapter(logkws), extra={"spider": self.crawler.spider} + else: + logkws = self.logformatter.scraped(output, response, self.crawler.spider) + if logkws is not None: + logger.log( + *logformatter_adapter(logkws), extra={"spider": self.crawler.spider} + ) + await maybe_deferred_to_future( + self.signals.send_catch_log_deferred( + signal=signals.item_scraped, + item=output, + response=response, + spider=self.crawler.spider, + ) ) - return self.signals.send_catch_log_deferred( - signal=signals.item_scraped, - item=output, - response=response, - spider=self.crawler.spider, - ) + finally: + self.slot.itemproc_size -= 1 diff --git a/scrapy/core/spidermw.py b/scrapy/core/spidermw.py index b8b0aec44..4a0cd9464 100644 --- a/scrapy/core/spidermw.py +++ b/scrapy/core/spidermw.py @@ -7,16 +7,17 @@ See documentation in docs/topics/spider-middleware.rst from __future__ import annotations import logging -from collections.abc import AsyncIterable, Callable, Iterable +from collections.abc import AsyncIterator, Callable, Iterable from inspect import isasyncgenfunction, iscoroutine from itertools import islice from typing import TYPE_CHECKING, Any, TypeVar, Union, cast +from warnings import warn from twisted.internet.defer import Deferred, inlineCallbacks from twisted.python.failure import Failure from scrapy import Request, Spider -from scrapy.exceptions import _InvalidOutput +from scrapy.exceptions import ScrapyDeprecationWarning, _InvalidOutput from scrapy.http import Response from scrapy.middleware import MiddlewareManager from scrapy.utils.asyncgen import as_async_generator, collect_asyncgen @@ -40,12 +41,13 @@ logger = logging.getLogger(__name__) _T = TypeVar("_T") ScrapeFunc = Callable[ - [Union[Response, Failure], Request], Union[Iterable[_T], AsyncIterable[_T]] + [Union[Response, Failure], Request], + Deferred[Union[Iterable[_T], AsyncIterator[_T]]], ] def _isiterable(o: Any) -> bool: - return isinstance(o, (Iterable, AsyncIterable)) + return isinstance(o, (Iterable, AsyncIterator)) class SpiderMiddlewareManager(MiddlewareManager): @@ -55,12 +57,75 @@ class SpiderMiddlewareManager(MiddlewareManager): def _get_mwlist_from_settings(cls, settings: BaseSettings) -> list[Any]: return build_component_list(settings.getwithbase("SPIDER_MIDDLEWARES")) + def __init__(self, *middlewares: Any) -> None: + self._check_deprecated_process_start_requests_use(middlewares) + super().__init__(*middlewares) + + def _check_deprecated_process_start_requests_use( + self, middlewares: tuple[Any] + ) -> None: + deprecated_middlewares = [ + middleware + for middleware in middlewares + if hasattr(middleware, "process_start_requests") + and not hasattr(middleware, "process_start") + ] + modern_middlewares = [ + middleware + for middleware in middlewares + if not hasattr(middleware, "process_start_requests") + and hasattr(middleware, "process_start") + ] + if deprecated_middlewares and modern_middlewares: + raise ValueError( + "You are trying to combine spider middlewares that only " + "define the deprecated process_start_requests() method () " + "with spider middlewares that only define the " + "process_start() method (). This is not possible. You must " + "either disable or make universal 1 of those 2 sets of " + "spider middlewares. Making a spider middleware universal " + "means having it define both methods. See the release notes " + "of Scrapy VERSION for details: " + "https://docs.scrapy.org/en/VERSION/news.html" + ) + + self._use_start_requests = bool(deprecated_middlewares) + if self._use_start_requests: + deprecated_middleware_list = ", ".join( + global_object_name(middleware.__class__) + for middleware in deprecated_middlewares + ) + warn( + f"The following enabled spider middlewares, directly or " + f"through their parent classes, define the deprecated " + f"process_start_requests() method: " + f"{deprecated_middleware_list}. process_start_requests() has " + f"been deprecated in favor of a new method, process_start(), " + f"to support asynchronous code execution. " + f"process_start_requests() will stop being called in a future " + f"version of Scrapy. If you use Scrapy VERSION or higher " + f"only, replace process_start_requests() with " + f"process_start(); note that process_start() is a coroutine " + f"(async def). If you need to maintain compatibility with " + f"lower Scrapy versions, when defining " + f"process_start_requests() in a spider middleware class, " + f"define process_start() as well. See the release notes of " + f"Scrapy VERSION for details: " + f"https://docs.scrapy.org/en/VERSION/news.html", + ScrapyDeprecationWarning, + ) + def _add_middleware(self, mw: Any) -> None: super()._add_middleware(mw) if hasattr(mw, "process_spider_input"): self.methods["process_spider_input"].append(mw.process_spider_input) - if hasattr(mw, "process_start_requests"): - self.methods["process_start_requests"].appendleft(mw.process_start_requests) + if self._use_start_requests: + if hasattr(mw, "process_start_requests"): + self.methods["process_start_requests"].appendleft( + mw.process_start_requests + ) + elif hasattr(mw, "process_start"): + self.methods["process_start"].appendleft(mw.process_start) process_spider_output = self._get_async_method_pair(mw, "process_spider_output") self.methods["process_spider_output"].appendleft(process_spider_output) process_spider_exception = getattr(mw, "process_spider_exception", None) @@ -72,7 +137,7 @@ class SpiderMiddlewareManager(MiddlewareManager): response: Response, request: Request, spider: Spider, - ) -> Iterable[_T] | AsyncIterable[_T]: + ) -> Deferred[Iterable[_T] | AsyncIterator[_T]]: for method in self.methods["process_spider_input"]: method = cast(Callable, method) try: @@ -93,10 +158,10 @@ class SpiderMiddlewareManager(MiddlewareManager): self, response: Response, spider: Spider, - iterable: Iterable[_T] | AsyncIterable[_T], + iterable: Iterable[_T] | AsyncIterator[_T], exception_processor_index: int, recover_to: MutableChain[_T] | MutableAsyncChain[_T], - ) -> Iterable[_T] | AsyncIterable[_T]: + ) -> Iterable[_T] | AsyncIterator[_T]: def process_sync(iterable: Iterable[_T]) -> Iterable[_T]: try: yield from iterable @@ -112,7 +177,7 @@ class SpiderMiddlewareManager(MiddlewareManager): assert isinstance(recover_to, MutableChain) recover_to.extend(exception_result) - async def process_async(iterable: AsyncIterable[_T]) -> AsyncIterable[_T]: + async def process_async(iterable: AsyncIterator[_T]) -> AsyncIterator[_T]: try: async for r in iterable: yield r @@ -128,7 +193,7 @@ class SpiderMiddlewareManager(MiddlewareManager): assert isinstance(recover_to, MutableAsyncChain) recover_to.extend(exception_result) - if isinstance(iterable, AsyncIterable): + if isinstance(iterable, AsyncIterator): return process_async(iterable) return process_sync(iterable) @@ -187,13 +252,13 @@ class SpiderMiddlewareManager(MiddlewareManager): self, response: Response, spider: Spider, - result: Iterable[_T] | AsyncIterable[_T], + result: Iterable[_T] | AsyncIterator[_T], start_index: int = 0, ) -> Generator[Deferred[Any], Any, MutableChain[_T] | MutableAsyncChain[_T]]: # items in this iterable do not need to go through the process_spider_output # chain, they went through it already from the process_spider_exception method recovered: MutableChain[_T] | MutableAsyncChain[_T] - last_result_is_async = isinstance(result, AsyncIterable) + last_result_is_async = isinstance(result, AsyncIterator) recovered = MutableAsyncChain() if last_result_is_async else MutableChain() # There are three cases for the middleware: def foo, async def foo, def foo + async def foo_async. @@ -220,7 +285,7 @@ class SpiderMiddlewareManager(MiddlewareManager): need_downgrade = True try: if need_upgrade: - # Iterable -> AsyncIterable + # Iterable -> AsyncIterator result = as_async_generator(result) elif need_downgrade: logger.warning( @@ -230,10 +295,10 @@ class SpiderMiddlewareManager(MiddlewareManager): f" https://docs.scrapy.org/en/latest/topics/coroutines.html#for-middleware-users" f" for more information." ) - assert isinstance(result, AsyncIterable) - # AsyncIterable -> Iterable + assert isinstance(result, AsyncIterator) + # AsyncIterator -> Iterable result = yield deferred_from_coro(collect_asyncgen(result)) - if isinstance(recovered, AsyncIterable): + if isinstance(recovered, AsyncIterator): recovered_collected = yield deferred_from_coro( collect_asyncgen(recovered) ) @@ -266,7 +331,7 @@ class SpiderMiddlewareManager(MiddlewareManager): f"{type(result)}" ) raise _InvalidOutput(msg) - last_result_is_async = isinstance(result, AsyncIterable) + last_result_is_async = isinstance(result, AsyncIterator) if last_result_is_async: return MutableAsyncChain(result, recovered) @@ -276,23 +341,23 @@ class SpiderMiddlewareManager(MiddlewareManager): self, response: Response, spider: Spider, - result: Iterable[_T] | AsyncIterable[_T], + result: Iterable[_T] | AsyncIterator[_T], ) -> MutableChain[_T] | MutableAsyncChain[_T]: recovered: MutableChain[_T] | MutableAsyncChain[_T] - if isinstance(result, AsyncIterable): + if isinstance(result, AsyncIterator): recovered = MutableAsyncChain() else: recovered = MutableChain() result = self._evaluate_iterable(response, spider, result, 0, recovered) result = await maybe_deferred_to_future( cast( - "Deferred[Iterable[_T] | AsyncIterable[_T]]", + "Deferred[Iterable[_T] | AsyncIterator[_T]]", self._process_spider_output(response, spider, result), ) ) - if isinstance(result, AsyncIterable): + if isinstance(result, AsyncIterator): return MutableAsyncChain(result, recovered) - if isinstance(recovered, AsyncIterable): + if isinstance(recovered, AsyncIterator): recovered_collected = await collect_asyncgen(recovered) recovered = MutableChain(recovered_collected) return MutableChain(result, recovered) @@ -305,7 +370,7 @@ class SpiderMiddlewareManager(MiddlewareManager): spider: Spider, ) -> Deferred[MutableChain[_T] | MutableAsyncChain[_T]]: async def process_callback_output( - result: Iterable[_T] | AsyncIterable[_T], + result: Iterable[_T] | AsyncIterator[_T], ) -> MutableChain[_T] | MutableAsyncChain[_T]: return await self._process_callback_output(response, spider, result) @@ -314,7 +379,7 @@ class SpiderMiddlewareManager(MiddlewareManager): ) -> Failure | MutableChain[_T] | MutableAsyncChain[_T]: return self._process_spider_exception(response, spider, _failure) - dfd: Deferred[Iterable[_T] | AsyncIterable[_T]] = mustbe_deferred( + dfd: Deferred[Iterable[_T] | AsyncIterator[_T]] = mustbe_deferred( self._process_spider_input, scrape_func, response, request, spider ) dfd2: Deferred[MutableChain[_T] | MutableAsyncChain[_T]] = dfd.addCallback( @@ -323,10 +388,90 @@ class SpiderMiddlewareManager(MiddlewareManager): dfd2.addErrback(process_spider_exception) return dfd2 - def process_start_requests( - self, start_requests: Iterable[Request], spider: Spider - ) -> Deferred[Iterable[Request]]: - return self._process_chain("process_start_requests", start_requests, spider) + async def process_start(self, spider: Spider) -> AsyncIterator[Any] | None: + self._check_deprecated_start_requests_use(spider) + if self._use_start_requests: + sync_start = iter(spider.start_requests()) + sync_start = await maybe_deferred_to_future( + self._process_chain("process_start_requests", sync_start, spider) + ) + start: AsyncIterator[Any] = as_async_generator(sync_start) + else: + start = spider.start() + start = await maybe_deferred_to_future( + self._process_chain("process_start", start) + ) + return start + + def _check_deprecated_start_requests_use(self, spider: Spider): + start_requests_cls = None + start_cls = None + spidercls = spider.__class__ + mro = spidercls.__mro__ + + for cls in mro: + cls_dict = cls.__dict__ + if start_requests_cls is None and "start_requests" in cls_dict: + start_requests_cls = cls + if start_cls is None and "start" in cls_dict: + start_cls = cls + if start_requests_cls is not None and start_cls is not None: + break + + # Spider defines both, start_requests and start. + assert start_requests_cls is not None + assert start_cls is not None + + if ( + start_requests_cls is not Spider + and start_cls is not start_requests_cls + and mro.index(start_requests_cls) < mro.index(start_cls) + ): + src = global_object_name(start_requests_cls) + if start_requests_cls is not spidercls: + src += f" (inherited by {global_object_name(spidercls)})" + warn( + f"{src} defines the deprecated start_requests() method. " + f"start_requests() has been deprecated in favor of a new " + f"method, start(), to support asynchronous code " + f"execution. start_requests() will stop being called in a " + f"future version of Scrapy. If you use Scrapy VERSION or " + f"higher only, replace start_requests() with start(); " + f"note that start() is a coroutine (async def). If you " + f"need to maintain compatibility with lower Scrapy versions, " + f"when overriding start_requests() in a spider class, " + f"override start() as well; you can use super() to " + f"reuse the inherited start() implementation without " + f"copy-pasting. See the release notes of Scrapy VERSION for " + f"details: https://docs.scrapy.org/en/VERSION/news.html", + ScrapyDeprecationWarning, + ) + + if ( + self._use_start_requests + and start_cls is not Spider + and start_requests_cls is not start_cls + and mro.index(start_cls) < mro.index(start_requests_cls) + ): + src = global_object_name(start_cls) + if start_cls is not spidercls: + src += f" (inherited by {global_object_name(spidercls)})" + raise ValueError( + f"{src} does not define the deprecated start_requests() " + f"method. However, one or more of your enabled spider " + f"middlewares (reported in an earlier deprecation warning) " + f"define the process_start_requests() method, and not the " + f"process_start() method, making them only compatible with " + f"(deprecated) spiders that define the start_requests() " + f"method. To solve this issue, disable the offending spider " + f"middlewares, upgrade them as described in that earlier " + f"deprecation warning, or make your spider compatible with " + f"deprecated spider middlewares (and earlier Scrapy versions) " + f"by defining a sync start_requests() method that works " + f"similarly to its existing start() method. See the " + f"release notes of Scrapy VERSION for details: " + f"https://docs.scrapy.org/en/VERSION/news.html" + ) # This method is only needed until _async compatibility methods are removed. @staticmethod diff --git a/scrapy/crawler.py b/scrapy/crawler.py index 1ec1e31dc..749096db5 100644 --- a/scrapy/crawler.py +++ b/scrapy/crawler.py @@ -136,6 +136,9 @@ class Crawler: "Overridden settings:\n%(settings)s", {"settings": pprint.pformat(d)} ) + # Cannot use @deferred_f_from_coro_f because that relies on the reactor + # being installed already, which is done within _apply_settings(), inside + # this method. @inlineCallbacks def crawl(self, *args: Any, **kwargs: Any) -> Generator[Deferred[Any], Any, None]: if self.crawling: @@ -151,9 +154,8 @@ class Crawler: self._apply_settings() self._update_root_log_handler() self.engine = self._create_engine() - start_requests = iter(self.spider.start_requests()) - yield self.engine.open_spider(self.spider, start_requests) - yield maybeDeferred(self.engine.start) + yield self.engine.open_spider(self.spider) + yield self.engine.start() except Exception: self.crawling = False if self.engine is not None: diff --git a/scrapy/extensions/telnet.py b/scrapy/extensions/telnet.py index ac832e025..bacee8f0a 100644 --- a/scrapy/extensions/telnet.py +++ b/scrapy/extensions/telnet.py @@ -104,7 +104,6 @@ class TelnetConsole(protocol.ServerFactory): telnet_vars: dict[str, Any] = { "engine": self.crawler.engine, "spider": self.crawler.engine.spider, - "slot": self.crawler.engine.slot, "crawler": self.crawler, "extensions": self.crawler.extensions, "stats": self.crawler.stats, diff --git a/scrapy/http/request/__init__.py b/scrapy/http/request/__init__.py index 6d3b7a926..2b8d0ab84 100644 --- a/scrapy/http/request/__init__.py +++ b/scrapy/http/request/__init__.py @@ -130,6 +130,16 @@ class Request(object_ref): self._set_body(body) if not isinstance(priority, int): raise TypeError(f"Request priority not an integer: {priority!r}") + + #: Default: ``0`` + #: + #: Value that the :ref:`scheduler ` may use for + #: request prioritization. + #: + #: Built-in schedulers prioritize requests with a higher priority + #: value. + #: + #: Negative values are allowed. self.priority: int = priority if not (callable(callback) or callback is None): @@ -191,7 +201,7 @@ class Request(object_ref): #: #: When defining the start URLs of a spider through #: :attr:`~scrapy.Spider.start_urls`, this attribute is enabled by - #: default. See :meth:`~scrapy.Spider.start_requests`. + #: default. See :meth:`~scrapy.Spider.start`. self.dont_filter: bool = dont_filter self._meta: dict[str, Any] | None = dict(meta) if meta else None diff --git a/scrapy/logformatter.py b/scrapy/logformatter.py index f10e91beb..4f08918ae 100644 --- a/scrapy/logformatter.py +++ b/scrapy/logformatter.py @@ -98,7 +98,7 @@ class LogFormatter: """Logs a message when an item is scraped by a spider.""" src: Any if response is None: - src = f"{global_object_name(spider.__class__)}.start_requests" + src = f"{global_object_name(spider.__class__)}.start" elif isinstance(response, Failure): src = response.getErrorMessage() else: diff --git a/scrapy/pqueues.py b/scrapy/pqueues.py index 324a9b955..e6c6b8bf1 100644 --- a/scrapy/pqueues.py +++ b/scrapy/pqueues.py @@ -72,7 +72,6 @@ class ScrapyPriorityQueue: startprios is a sequence of priorities to start with. If the queue was previously closed leaving some priority buckets non-empty, those priorities should be passed in startprios. - """ @classmethod @@ -82,8 +81,16 @@ class ScrapyPriorityQueue: downstream_queue_cls: type[QueueProtocol], key: str, startprios: Iterable[int] = (), + *, + start_queue_cls: type[QueueProtocol] | None = None, ) -> Self: - return cls(crawler, downstream_queue_cls, key, startprios) + return cls( + crawler, + downstream_queue_cls, + key, + startprios, + start_queue_cls=start_queue_cls, + ) def __init__( self, @@ -91,11 +98,15 @@ class ScrapyPriorityQueue: downstream_queue_cls: type[QueueProtocol], key: str, startprios: Iterable[int] = (), + *, + start_queue_cls: type[QueueProtocol] | None = None, ): self.crawler: Crawler = crawler self.downstream_queue_cls: type[QueueProtocol] = downstream_queue_cls + self._start_queue_cls: type[QueueProtocol] | None = start_queue_cls self.key: str = key self.queues: dict[int, QueueProtocol] = {} + self._start_queues: dict[int, QueueProtocol] = {} self.curprio: int | None = None self.init_prios(startprios) @@ -104,7 +115,13 @@ class ScrapyPriorityQueue: return for priority in startprios: - self.queues[priority] = self.qfactory(priority) + q = self.qfactory(priority) + if q: + self.queues[priority] = q + if self._start_queue_cls: + q = self._sqfactory(priority) + if q: + self._start_queues[priority] = q self.curprio = min(startprios) @@ -115,29 +132,66 @@ class ScrapyPriorityQueue: self.key + "/" + str(key), ) + def _sqfactory(self, key: int) -> QueueProtocol: + assert self._start_queue_cls is not None + return build_from_crawler( + self._start_queue_cls, + self.crawler, + f"{self.key}/{key}s", + ) + def priority(self, request: Request) -> int: return -request.priority def push(self, request: Request) -> None: priority = self.priority(request) - if priority not in self.queues: - self.queues[priority] = self.qfactory(priority) - q = self.queues[priority] + is_start_request = request.meta.get("is_start_request", False) + if is_start_request and self._start_queue_cls: + if priority not in self._start_queues: + self._start_queues[priority] = self._sqfactory(priority) + q = self._start_queues[priority] + else: + if priority not in self.queues: + self.queues[priority] = self.qfactory(priority) + q = self.queues[priority] q.push(request) # this may fail (eg. serialization error) if self.curprio is None or priority < self.curprio: self.curprio = priority def pop(self) -> Request | None: - if self.curprio is None: - return None - q = self.queues[self.curprio] - m = q.pop() - if not q: - del self.queues[self.curprio] - q.close() - prios = [p for p, q in self.queues.items() if q] - self.curprio = min(prios) if prios else None - return m + while self.curprio is not None: + if self._start_queues: + try: + q = self._start_queues[self.curprio] + except KeyError: + pass + else: + m = q.pop() + if not q: + del self._start_queues[self.curprio] + q.close() + return m + try: + q = self.queues[self.curprio] + except KeyError: + self._update_curprio() + else: + m = q.pop() + if not q: + del self.queues[self.curprio] + q.close() + self._update_curprio() + return m + return None + + def _update_curprio(self) -> None: + prios = { + p + for queues in (self.queues, self._start_queues) + for p, q in queues.items() + if q + } + self.curprio = min(prios) if prios else None def peek(self) -> Request | None: """Returns the next object to be returned by :meth:`pop`, @@ -148,19 +202,31 @@ class ScrapyPriorityQueue: """ if self.curprio is None: return None - queue = self.queues[self.curprio] + try: + queue = self._start_queues[self.curprio] + except KeyError: + queue = self.queues[self.curprio] # Protocols can't declare optional members return cast(Request, queue.peek()) # type: ignore[attr-defined] def close(self) -> list[int]: - active: list[int] = [] - for p, q in self.queues.items(): - active.append(p) - q.close() - return active + active: set[int] = set() + for queues in (self.queues, self._start_queues): + for p, q in queues.items(): + active.add(p) + q.close() + return list(active) def __len__(self) -> int: - return sum(len(x) for x in self.queues.values()) if self.queues else 0 + return ( + sum( + len(x) + for queues in (self.queues, self._start_queues) + for x in queues.values() + ) + if self.queues or self._start_queues + else 0 + ) class DownloaderInterface: @@ -194,8 +260,16 @@ class DownloaderAwarePriorityQueue: downstream_queue_cls: type[QueueProtocol], key: str, startprios: dict[str, Iterable[int]] | None = None, + *, + start_queue_cls: type[QueueProtocol] | None = None, ) -> Self: - return cls(crawler, downstream_queue_cls, key, startprios) + return cls( + crawler, + downstream_queue_cls, + key, + startprios, + start_queue_cls=start_queue_cls, + ) def __init__( self, @@ -203,6 +277,8 @@ class DownloaderAwarePriorityQueue: downstream_queue_cls: type[QueueProtocol], key: str, slot_startprios: dict[str, Iterable[int]] | None = None, + *, + start_queue_cls: type[QueueProtocol] | None = None, ): if crawler.settings.getint("CONCURRENT_REQUESTS_PER_IP") != 0: raise ValueError( @@ -222,6 +298,7 @@ class DownloaderAwarePriorityQueue: self._downloader_interface: DownloaderInterface = DownloaderInterface(crawler) self.downstream_queue_cls: type[QueueProtocol] = downstream_queue_cls + self._start_queue_cls: type[QueueProtocol] | None = start_queue_cls self.key: str = key self.crawler: Crawler = crawler @@ -237,6 +314,7 @@ class DownloaderAwarePriorityQueue: self.downstream_queue_cls, self.key + "/" + _path_safe(slot), startprios, + start_queue_cls=self._start_queue_cls, ) def pop(self) -> Request | None: diff --git a/scrapy/settings/default_settings.py b/scrapy/settings/default_settings.py index 680fded7a..01443fa17 100644 --- a/scrapy/settings/default_settings.py +++ b/scrapy/settings/default_settings.py @@ -305,6 +305,8 @@ SCHEDULER = "scrapy.core.scheduler.Scheduler" SCHEDULER_DISK_QUEUE = "scrapy.squeues.PickleLifoDiskQueue" SCHEDULER_MEMORY_QUEUE = "scrapy.squeues.LifoMemoryQueue" SCHEDULER_PRIORITY_QUEUE = "scrapy.pqueues.ScrapyPriorityQueue" +SCHEDULER_START_DISK_QUEUE = "scrapy.squeues.PickleFifoDiskQueue" +SCHEDULER_START_MEMORY_QUEUE = "scrapy.squeues.FifoMemoryQueue" SCRAPER_SLOT_MAX_ACTIVE_SIZE = 5000000 @@ -315,6 +317,7 @@ SPIDER_MIDDLEWARES = {} SPIDER_MIDDLEWARES_BASE = { # Engine side + "scrapy.spidermiddlewares.start.StartSpiderMiddleware": 25, "scrapy.spidermiddlewares.httperror.HttpErrorMiddleware": 50, "scrapy.spidermiddlewares.referer.RefererMiddleware": 700, "scrapy.spidermiddlewares.urllength.UrlLengthMiddleware": 800, diff --git a/scrapy/shell.py b/scrapy/shell.py index 5e5e57a9a..bb39eccc3 100644 --- a/scrapy/shell.py +++ b/scrapy/shell.py @@ -24,6 +24,7 @@ from scrapy.spiders import Spider from scrapy.utils.conf import get_config from scrapy.utils.console import DEFAULT_PYTHON_SHELLS, start_python_console from scrapy.utils.datatypes import SequenceExclude +from scrapy.utils.defer import deferred_f_from_coro_f, maybe_deferred_to_future from scrapy.utils.misc import load_object from scrapy.utils.reactor import is_asyncio_reactor_installed, set_asyncio_event_loop from scrapy.utils.response import open_in_browser @@ -102,25 +103,33 @@ class Shell: # set the asyncio event loop for the current thread event_loop_path = self.crawler.settings["ASYNCIO_EVENT_LOOP"] set_asyncio_event_loop(event_loop_path) - spider = self._open_spider(request, spider) + + def crawl_request(_): + assert self.crawler.engine is not None + self.crawler.engine.crawl(request) + + d2 = self._open_spider(request, spider) + d2.addCallback(crawl_request) + d = _request_deferred(request) d.addCallback(lambda x: (x, spider)) - assert self.crawler.engine - self.crawler.engine.crawl(request) return d - def _open_spider(self, request: Request, spider: Spider | None) -> Spider: + @deferred_f_from_coro_f + async def _open_spider(self, request: Request, spider: Spider | None) -> None: if self.spider: - return self.spider + return if spider is None: spider = self.crawler.spider or self.crawler._create_spider() self.crawler.spider = spider assert self.crawler.engine - self.crawler.engine.open_spider(spider, close_if_idle=False) + await maybe_deferred_to_future( + self.crawler.engine.open_spider(spider, close_if_idle=False) + ) + self.crawler.engine._start_request_processing() self.spider = spider - return spider def fetch( self, diff --git a/scrapy/signalmanager.py b/scrapy/signalmanager.py index e106418d6..f8c50b5e3 100644 --- a/scrapy/signalmanager.py +++ b/scrapy/signalmanager.py @@ -1,13 +1,12 @@ from __future__ import annotations -from typing import TYPE_CHECKING, Any +from typing import Any from pydispatch import dispatcher +from twisted.internet.defer import Deferred from scrapy.utils import signal as _signal - -if TYPE_CHECKING: - from twisted.internet.defer import Deferred +from scrapy.utils.defer import maybe_deferred_to_future class SignalManager: @@ -75,3 +74,17 @@ class SignalManager: """ kwargs.setdefault("sender", self.sender) _signal.disconnect_all(signal, **kwargs) + + async def wait_for(self, signal): + """Await the next *signal*. + + See :ref:`start-requests-lazy` for an example. + """ + d = Deferred() + + def handle(): + self.disconnect(handle, signal) + d.callback(None) + + self.connect(handle, signal) + await maybe_deferred_to_future(d) diff --git a/scrapy/signals.py b/scrapy/signals.py index 8ef0f34f0..bdeec1ba0 100644 --- a/scrapy/signals.py +++ b/scrapy/signals.py @@ -7,6 +7,7 @@ signals here without documenting them there. engine_started = object() engine_stopped = object() +scheduler_empty = object() spider_opened = object() spider_idle = object() spider_closed = object() diff --git a/scrapy/spidermiddlewares/base.py b/scrapy/spidermiddlewares/base.py index 650192095..cfb50c599 100644 --- a/scrapy/spidermiddlewares/base.py +++ b/scrapy/spidermiddlewares/base.py @@ -5,7 +5,7 @@ from typing import TYPE_CHECKING, Any from scrapy import Request, Spider if TYPE_CHECKING: - from collections.abc import AsyncIterable, Iterable + from collections.abc import AsyncIterator, Iterable # typing.Self requires Python 3.11 from typing_extensions import Self @@ -17,9 +17,9 @@ if TYPE_CHECKING: class BaseSpiderMiddleware: """Optional base class for spider middlewares. - This class provides helper methods for asynchronous ``process_spider_output`` - methods. Middlewares that don't have a ``process_spider_output`` method don't need - to use it. + This class provides helper methods for asynchronous + ``process_spider_output()`` and ``process_start()`` methods. Middlewares + that don't have either of these methods don't need to use this class. You can override the :meth:`~scrapy.spidermiddlewares.base.BaseSpiderMiddleware.get_processed_request` @@ -38,59 +38,70 @@ class BaseSpiderMiddleware: def from_crawler(cls, crawler: Crawler) -> Self: return cls(crawler) + def process_start_requests( + self, start: Iterable[Any], spider: Spider + ) -> Iterable[Any]: + for o in start: + if (o := self._get_processed(o, None)) is not None: + yield o + + async def process_start(self, start: AsyncIterator[Any]) -> AsyncIterator[Any]: + async for o in start: + if (o := self._get_processed(o, None)) is not None: + yield o + def process_spider_output( self, response: Response, result: Iterable[Any], spider: Spider ) -> Iterable[Any]: for o in result: - if isinstance(o, Request): - o = self.get_processed_request(o, response) - else: - o = self.get_processed_item(o, response) - if o is not None: + if (o := self._get_processed(o, response)) is not None: yield o async def process_spider_output_async( - self, response: Response, result: AsyncIterable[Any], spider: Spider - ) -> AsyncIterable[Any]: + self, response: Response, result: AsyncIterator[Any], spider: Spider + ) -> AsyncIterator[Any]: async for o in result: - if isinstance(o, Request): - o = self.get_processed_request(o, response) - else: - o = self.get_processed_item(o, response) - if o is not None: + if (o := self._get_processed(o, response)) is not None: yield o + def _get_processed(self, o: Any, response: Response | None) -> Any: + if isinstance(o, Request): + return self.get_processed_request(o, response) + return self.get_processed_item(o, response) + def get_processed_request( - self, request: Request, response: Response + self, request: Request, response: Response | None ) -> Request | None: """Return a processed request from the spider output. - This method is called with a single request from the spider output. - It should return the same or a different request, or ``None`` to - ignore it. + This method is called with a single request from the start seeds or the + spider output. It should return the same or a different request, or + ``None`` to ignore it. :param request: the input request :type request: :class:`~scrapy.Request` object :param response: the response being processed - :type response: :class:`~scrapy.http.Response` object + :type response: :class:`~scrapy.http.Response` object or ``None`` for + start seeds :return: the processed request or ``None`` """ return request - def get_processed_item(self, item: Any, response: Response) -> Any: + def get_processed_item(self, item: Any, response: Response | None) -> Any: """Return a processed item from the spider output. - This method is called with a single item from the spider output. - It should return the same or a different item, or ``None`` to - ignore it. + This method is called with a single item from the start seeds or the + spider output. It should return the same or a different item, or + ``None`` to ignore it. :param item: the input item :type item: item object :param response: the response being processed - :type response: :class:`~scrapy.http.Response` object + :type response: :class:`~scrapy.http.Response` object or ``None`` for + start seeds :return: the processed item or ``None`` """ diff --git a/scrapy/spidermiddlewares/depth.py b/scrapy/spidermiddlewares/depth.py index 65905f483..6b115ebe6 100644 --- a/scrapy/spidermiddlewares/depth.py +++ b/scrapy/spidermiddlewares/depth.py @@ -12,7 +12,7 @@ from typing import TYPE_CHECKING, Any from scrapy.spidermiddlewares.base import BaseSpiderMiddleware if TYPE_CHECKING: - from collections.abc import AsyncIterable, Iterable + from collections.abc import AsyncIterator, Iterable # typing.Self requires Python 3.11 from typing_extensions import Self @@ -59,8 +59,8 @@ class DepthMiddleware(BaseSpiderMiddleware): yield from super().process_spider_output(response, result, spider) async def process_spider_output_async( - self, response: Response, result: AsyncIterable[Any], spider: Spider - ) -> AsyncIterable[Any]: + self, response: Response, result: AsyncIterator[Any], spider: Spider + ) -> AsyncIterator[Any]: self._init_depth(response, spider) async for o in super().process_spider_output_async(response, result, spider): yield o @@ -73,8 +73,11 @@ class DepthMiddleware(BaseSpiderMiddleware): self.stats.inc_value("request_depth_count/0", spider=spider) def get_processed_request( - self, request: Request, response: Response + self, request: Request, response: Response | None ) -> Request | None: + if response is None: + # start requests + return request depth = response.meta["depth"] + 1 request.meta["depth"] = depth if self.prio: diff --git a/scrapy/spidermiddlewares/offsite.py b/scrapy/spidermiddlewares/offsite.py index 0918c9fac..2463275d5 100644 --- a/scrapy/spidermiddlewares/offsite.py +++ b/scrapy/spidermiddlewares/offsite.py @@ -49,8 +49,11 @@ class OffsiteMiddleware(BaseSpiderMiddleware): return o def get_processed_request( - self, request: Request, response: Response + self, request: Request, response: Response | None ) -> Request | None: + if response is None: + # skip start requests for backward compatibility + return request assert self.crawler.spider if ( request.dont_filter diff --git a/scrapy/spidermiddlewares/referer.py b/scrapy/spidermiddlewares/referer.py index b2ba8ba8c..f5d406c13 100644 --- a/scrapy/spidermiddlewares/referer.py +++ b/scrapy/spidermiddlewares/referer.py @@ -370,8 +370,11 @@ class RefererMiddleware(BaseSpiderMiddleware): return cls() if cls else self.default_policy() def get_processed_request( - self, request: Request, response: Response + self, request: Request, response: Response | None ) -> Request | None: + if response is None: + # start requests + return request referrer = self.policy(response, request).referrer(response.url, request.url) if referrer is not None: request.headers.setdefault("Referer", referrer) diff --git a/scrapy/spidermiddlewares/start.py b/scrapy/spidermiddlewares/start.py new file mode 100644 index 000000000..5d76b60d2 --- /dev/null +++ b/scrapy/spidermiddlewares/start.py @@ -0,0 +1,31 @@ +from __future__ import annotations + +from typing import TYPE_CHECKING + +from .base import BaseSpiderMiddleware + +if TYPE_CHECKING: + from scrapy.http import Request + from scrapy.http.response import Response + + +class StartSpiderMiddleware(BaseSpiderMiddleware): + """Set :reqmeta:`is_start_request`. + + .. reqmeta:: is_start_request + + is_start_request + ---------------- + + :attr:`~scrapy.Request.meta` key that is set to ``True`` in :ref:`start + requests `, allowing you to tell start requests apart from + other requests, e.g. in :ref:`downloader middlewares + `. + """ + + def get_processed_request( + self, request: Request, response: Response | None + ) -> Request | None: + if response is None: + request.meta.setdefault("is_start_request", True) + return request diff --git a/scrapy/spidermiddlewares/urllength.py b/scrapy/spidermiddlewares/urllength.py index 177c19e1b..5590165a5 100644 --- a/scrapy/spidermiddlewares/urllength.py +++ b/scrapy/spidermiddlewares/urllength.py @@ -39,7 +39,7 @@ class UrlLengthMiddleware(BaseSpiderMiddleware): return o def get_processed_request( - self, request: Request, response: Response + self, request: Request, response: Response | None ) -> Request | None: if len(request.url) <= self.maxlength: return request diff --git a/scrapy/spiders/__init__.py b/scrapy/spiders/__init__.py index e255e91cc..0a1d85ae6 100644 --- a/scrapy/spiders/__init__.py +++ b/scrapy/spiders/__init__.py @@ -7,15 +7,17 @@ See documentation in docs/topics/spiders.rst from __future__ import annotations import logging +import warnings from typing import TYPE_CHECKING, Any, cast from scrapy import signals +from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.http import Request, Response from scrapy.utils.trackref import object_ref from scrapy.utils.url import url_is_from_spider if TYPE_CHECKING: - from collections.abc import Iterable + from collections.abc import AsyncIterator, Iterable from twisted.internet.defer import Deferred @@ -29,13 +31,19 @@ if TYPE_CHECKING: class Spider(object_ref): - """Base class for scrapy spiders. All spiders must inherit from this - class. + """Base class that any spider must subclass. + + It provides a default :meth:`start` implementation that sends + requests based on the :attr:`start_urls` class attribute and calls the + :meth:`parse` method for each response. """ name: str custom_settings: dict[_SettingsKeyT, Any] | None = None + #: Start URLs. See :meth:`start`. + start_urls: list[str] + def __init__(self, name: str | None = None, **kwargs: Any): if name is not None: self.name: str = name @@ -72,7 +80,70 @@ class Spider(object_ref): self.settings: BaseSettings = crawler.settings crawler.signals.connect(self.close, signals.spider_closed) - def start_requests(self) -> Iterable[Request]: + async def start(self) -> AsyncIterator[Any]: + """Yield the initial :class:`~scrapy.Request` objects to send. + + .. versionadded:: VERSION + + For example: + + .. code-block:: python + + from scrapy import Request, Spider + + + class MySpider(Spider): + name = "myspider" + + async def start(self): + yield Request("https://toscrape.com/") + + The default implementation reads URLs from :attr:`start_urls` and + yields a request for each with :attr:`~scrapy.Request.dont_filter` + enabled. It is functionally equivalent to: + + .. code-block:: python + + async def start(self): + for url in self.start_urls: + yield Request(url, dont_filter=True) + + You can also yield :ref:`items `. For example: + + .. code-block:: python + + async def start(self): + yield {"foo": "bar"} + + To write spiders that work on Scrapy versions lower than VERSION, + define also a synchronous ``start_requests()`` method that returns an + iterable. For example: + + .. code-block:: python + + def start_requests(self): + yield Request("https://toscrape.com/") + + .. seealso:: :ref:`start-requests` + """ + with warnings.catch_warnings(): + warnings.filterwarnings( + "ignore", category=ScrapyDeprecationWarning, module=r"^scrapy\.spiders$" + ) + for item_or_request in self.start_requests(): + yield item_or_request + + def start_requests(self) -> Iterable[Any]: + warnings.warn( + ( + "The Spider.start_requests() method is deprecated, use " + "Spider.start() instead. If you are calling " + "super().start_requests() from a Spider.start() override, " + "iterate super().start() instead." + ), + ScrapyDeprecationWarning, + stacklevel=2, + ) if not self.start_urls and hasattr(self, "start_url"): raise AttributeError( "Crawling could not start: 'start_urls' not found " diff --git a/scrapy/spiders/crawl.py b/scrapy/spiders/crawl.py index 087049425..171d8479c 100644 --- a/scrapy/spiders/crawl.py +++ b/scrapy/spiders/crawl.py @@ -8,7 +8,7 @@ See documentation in docs/topics/spiders.rst from __future__ import annotations import copy -from collections.abc import AsyncIterable, Awaitable, Callable +from collections.abc import AsyncIterator, Awaitable, Callable from typing import TYPE_CHECKING, Any, Optional, TypeVar, cast from twisted.python.failure import Failure @@ -156,10 +156,10 @@ class CrawlSpider(Spider): callback: CallbackT | None, cb_kwargs: dict[str, Any], follow: bool = True, - ) -> AsyncIterable[Any]: + ) -> AsyncIterator[Any]: if callback: cb_res = callback(response, **cb_kwargs) or () - if isinstance(cb_res, AsyncIterable): + if isinstance(cb_res, AsyncIterator): cb_res = await collect_asyncgen(cb_res) elif isinstance(cb_res, Awaitable): cb_res = await cb_res diff --git a/scrapy/spiders/init.py b/scrapy/spiders/init.py index a7dba989e..e5548b9fa 100644 --- a/scrapy/spiders/init.py +++ b/scrapy/spiders/init.py @@ -1,7 +1,7 @@ from __future__ import annotations import warnings -from collections.abc import Iterable +from collections.abc import AsyncIterator, Iterable from typing import TYPE_CHECKING, Any, cast from scrapy import Request @@ -29,6 +29,14 @@ class InitSpider(Spider): stacklevel=2, ) + async def start(self) -> AsyncIterator[Any]: + with warnings.catch_warnings(): + warnings.filterwarnings( + "ignore", category=ScrapyDeprecationWarning, module=r"^scrapy\.spiders$" + ) + for item_or_request in self.start_requests(): + yield item_or_request + def start_requests(self) -> Iterable[Request]: self._postinit_reqs: Iterable[Request] = super().start_requests() return cast(Iterable[Request], iterate_spider_output(self.init_request())) diff --git a/scrapy/spiders/sitemap.py b/scrapy/spiders/sitemap.py index 39033ac3c..2813a32a0 100644 --- a/scrapy/spiders/sitemap.py +++ b/scrapy/spiders/sitemap.py @@ -4,7 +4,7 @@ import logging import re # Iterable is needed at the run time for the SitemapSpider._parse_sitemap() annotation -from collections.abc import Iterable, Sequence # noqa: TC003 +from collections.abc import AsyncIterator, Iterable, Sequence # noqa: TC003 from typing import TYPE_CHECKING, Any, cast from scrapy.http import Request, Response, XmlResponse @@ -53,6 +53,10 @@ class SitemapSpider(Spider): self._cbs.append((regex(r), c)) self._follow: list[re.Pattern[str]] = [regex(x) for x in self.sitemap_follow] + async def start(self) -> AsyncIterator[Any]: + for item_or_request in self.start_requests(): + yield item_or_request + def start_requests(self) -> Iterable[Request]: for url in self.sitemap_urls: yield Request(url, self._parse_sitemap) diff --git a/scrapy/templates/project/module/middlewares.py.tmpl b/scrapy/templates/project/module/middlewares.py.tmpl index dcb2d63de..3f0239832 100644 --- a/scrapy/templates/project/module/middlewares.py.tmpl +++ b/scrapy/templates/project/module/middlewares.py.tmpl @@ -43,14 +43,11 @@ class ${ProjectName}SpiderMiddleware: # Should return either None or an iterable of Request or item objects. pass - def process_start_requests(self, start_requests, spider): - # Called with the start requests of the spider, and works - # similarly to the process_spider_output() method, except - # that it doesn’t have a response associated. - - # Must return only requests (not items). - for r in start_requests: - yield r + async def process_start(self, start): + # Called with an async iterator over the spider start() method or the + # maching method of an earlier spider middleware. + async for item_or_request in start: + yield item_or_request def spider_opened(self, spider): spider.logger.info("Spider opened: %s" % spider.name) diff --git a/scrapy/utils/asyncgen.py b/scrapy/utils/asyncgen.py index 237bd8331..6d96a41f5 100644 --- a/scrapy/utils/asyncgen.py +++ b/scrapy/utils/asyncgen.py @@ -1,20 +1,20 @@ from __future__ import annotations -from collections.abc import AsyncGenerator, AsyncIterable, Iterable +from collections.abc import AsyncGenerator, AsyncIterator, Iterable from typing import TypeVar _T = TypeVar("_T") -async def collect_asyncgen(result: AsyncIterable[_T]) -> list[_T]: +async def collect_asyncgen(result: AsyncIterator[_T]) -> list[_T]: return [x async for x in result] async def as_async_generator( - it: Iterable[_T] | AsyncIterable[_T], + it: Iterable[_T] | AsyncIterator[_T], ) -> AsyncGenerator[_T]: """Wraps an iterable (sync or async) into an async generator.""" - if isinstance(it, AsyncIterable): + if isinstance(it, AsyncIterator): async for r in it: yield r else: diff --git a/scrapy/utils/defer.py b/scrapy/utils/defer.py index 42ad28d8d..6e1687f3e 100644 --- a/scrapy/utils/defer.py +++ b/scrapy/utils/defer.py @@ -14,7 +14,11 @@ from types import CoroutineType from typing import TYPE_CHECKING, Any, Generic, TypeVar, Union, cast, overload from twisted.internet import defer -from twisted.internet.defer import Deferred, DeferredList, ensureDeferred +from twisted.internet.defer import ( + Deferred, + DeferredList, + ensureDeferred, +) from twisted.internet.task import Cooperator from twisted.python import failure @@ -22,7 +26,7 @@ from scrapy.exceptions import IgnoreRequest, ScrapyDeprecationWarning from scrapy.utils.reactor import _get_asyncio_event_loop, is_asyncio_reactor_installed if TYPE_CHECKING: - from collections.abc import AsyncIterable, AsyncIterator, Callable + from collections.abc import AsyncIterator, Callable from twisted.python.failure import Failure @@ -36,6 +40,9 @@ _T = TypeVar("_T") _T2 = TypeVar("_T2") +_DEFER_DELAY = 0.1 + + def defer_fail(_failure: Failure) -> Deferred[Any]: """Same as twisted.internet.defer.fail but delay calling errback until next reactor loop @@ -46,7 +53,7 @@ def defer_fail(_failure: Failure) -> Deferred[Any]: from twisted.internet import reactor d: Deferred[Any] = Deferred() - reactor.callLater(0.1, d.errback, _failure) + reactor.callLater(_DEFER_DELAY, d.errback, _failure) return d @@ -60,7 +67,16 @@ def defer_succeed(result: _T) -> Deferred[_T]: from twisted.internet import reactor d: Deferred[_T] = Deferred() - reactor.callLater(0.1, d.callback, result) + reactor.callLater(_DEFER_DELAY, d.callback, result) + return d + + +def _defer_sleep() -> Deferred[None]: + """Like ``defer_succeed`` and ``defer_fail`` but doesn't call any real callbacks.""" + from twisted.internet import reactor + + d: Deferred[None] = Deferred() + reactor.callLater(_DEFER_DELAY, d.callback, None) return d @@ -177,7 +193,7 @@ class _AsyncCooperatorAdapter(Iterator, Generic[_T]): def __init__( self, - aiterable: AsyncIterable[_T], + aiterable: AsyncIterator[_T], callable: Callable[Concatenate[_T, _P], Deferred[Any] | None], *callable_args: _P.args, **callable_kwargs: _P.kwargs, @@ -234,7 +250,7 @@ class _AsyncCooperatorAdapter(Iterator, Generic[_T]): def parallel_async( - async_iterable: AsyncIterable[_T], + async_iterable: AsyncIterator[_T], count: int, callable: Callable[Concatenate[_T, _P], Deferred[Any] | None], *args: _P.args, @@ -332,13 +348,13 @@ def iter_errback( async def aiter_errback( - aiterable: AsyncIterable[_T], + aiterable: AsyncIterator[_T], errback: Callable[Concatenate[Failure, _P], Any], *a: _P.args, **kw: _P.kwargs, -) -> AsyncIterable[_T]: +) -> AsyncIterator[_T]: """Wraps an async iterable calling an errback if an error is caught while - iterating it. Similar to scrapy.utils.defer.iter_errback() + iterating it. Similar to :func:`scrapy.utils.defer.iter_errback`. """ it = aiterable.__aiter__() while True: diff --git a/scrapy/utils/engine.py b/scrapy/utils/engine.py index 52f29e22c..1e0c53212 100644 --- a/scrapy/utils/engine.py +++ b/scrapy/utils/engine.py @@ -18,10 +18,10 @@ def get_engine_status(engine: ExecutionEngine) -> list[tuple[str, Any]]: "engine.scraper.is_idle()", "engine.spider.name", "engine.spider_is_idle()", - "engine.slot.closing", - "len(engine.slot.inprogress)", - "len(engine.slot.scheduler.dqs or [])", - "len(engine.slot.scheduler.mqs)", + "engine._slot.closing", + "len(engine._slot.inprogress)", + "len(engine._slot.scheduler.dqs or [])", + "len(engine._slot.scheduler.mqs)", "len(engine.scraper.slot.queue)", "len(engine.scraper.slot.active)", "engine.scraper.slot.active_size", diff --git a/scrapy/utils/python.py b/scrapy/utils/python.py index 2e6869779..c859fbc2a 100644 --- a/scrapy/utils/python.py +++ b/scrapy/utils/python.py @@ -10,7 +10,7 @@ import re import sys import warnings import weakref -from collections.abc import AsyncIterable, Iterable, Mapping +from collections.abc import AsyncIterator, Iterable, Mapping from functools import partial, wraps from itertools import chain from typing import TYPE_CHECKING, Any, TypeVar, overload @@ -19,11 +19,12 @@ from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.utils.asyncgen import as_async_generator if TYPE_CHECKING: - from collections.abc import AsyncIterator, Callable, Iterator + from collections.abc import Callable, Iterator from re import Pattern # typing.Concatenate and typing.ParamSpec require Python 3.10 - from typing_extensions import Concatenate, ParamSpec + # typing.Self requires Python 3.11 + from typing_extensions import Concatenate, ParamSpec, Self _P = ParamSpec("_P") @@ -369,25 +370,25 @@ class MutableChain(Iterable[_T]): async def _async_chain( - *iterables: Iterable[_T] | AsyncIterable[_T], + *iterables: Iterable[_T] | AsyncIterator[_T], ) -> AsyncIterator[_T]: for it in iterables: async for o in as_async_generator(it): yield o -class MutableAsyncChain(AsyncIterable[_T]): +class MutableAsyncChain(AsyncIterator[_T]): """ Similar to MutableChain but for async iterables """ - def __init__(self, *args: Iterable[_T] | AsyncIterable[_T]): + def __init__(self, *args: Iterable[_T] | AsyncIterator[_T]): self.data: AsyncIterator[_T] = _async_chain(*args) - def extend(self, *iterables: Iterable[_T] | AsyncIterable[_T]) -> None: + def extend(self, *iterables: Iterable[_T] | AsyncIterator[_T]) -> None: self.data = _async_chain(self.data, _async_chain(*iterables)) - def __aiter__(self) -> AsyncIterator[_T]: + def __aiter__(self) -> Self: return self async def __anext__(self) -> _T: diff --git a/scrapy/utils/reactor.py b/scrapy/utils/reactor.py index 099c81f0e..9c2754394 100644 --- a/scrapy/utils/reactor.py +++ b/scrapy/utils/reactor.py @@ -7,6 +7,7 @@ from typing import TYPE_CHECKING, Any, Generic, TypeVar from warnings import catch_warnings, filterwarnings from twisted.internet import asyncioreactor, error +from twisted.internet.defer import Deferred from scrapy.utils.misc import load_object @@ -54,6 +55,7 @@ class CallLaterOnce(Generic[_T]): self._a: tuple[Any, ...] = a self._kw: dict[str, Any] = kw self._call: DelayedCall | None = None + self._deferreds: list[Deferred] = [] def schedule(self, delay: float = 0) -> None: from twisted.internet import reactor @@ -66,8 +68,23 @@ class CallLaterOnce(Generic[_T]): self._call.cancel() def __call__(self) -> _T: + from twisted.internet import reactor + self._call = None - return self._func(*self._a, **self._kw) + result = self._func(*self._a, **self._kw) + + for d in self._deferreds: + reactor.callLater(0, d.callback, None) + self._deferreds = [] + + return result + + async def wait(self): + from scrapy.utils.defer import maybe_deferred_to_future + + d = Deferred() + self._deferreds.append(d) + await maybe_deferred_to_future(d) def set_asyncio_event_loop_policy() -> None: @@ -114,8 +131,10 @@ def set_asyncio_event_loop(event_loop_path: str | None) -> AbstractEventLoop: """Sets and returns the event loop with specified import path.""" if event_loop_path is not None: event_loop_class: type[AbstractEventLoop] = load_object(event_loop_path) - event_loop = event_loop_class() - asyncio.set_event_loop(event_loop) + event_loop = _get_asyncio_event_loop() + if not isinstance(event_loop, event_loop_class): + event_loop = event_loop_class() + asyncio.set_event_loop(event_loop) else: try: with catch_warnings(): diff --git a/sep/sep-018.rst b/sep/sep-018.rst index e6d601fe1..29b1f860e 100644 --- a/sep/sep-018.rst +++ b/sep/sep-018.rst @@ -619,7 +619,7 @@ Resolved: ``manager.scraper.process_request()`` instead of ``manager.engine.crawl()`` - should we support adding additional start requests from a spider middleware? - - Yes - there is a spider middleware method (``start_requests``) for that + - Yes - there is a spider middleware method (``start_requests()``) for that - should ``process_response()`` receive a ``request`` argument with the ``request`` that originated it?. ``response.request`` is the latest request, not the original one (think of redirections), but it does carry the ``meta`` diff --git a/tests/CrawlerProcess/args_settings.py b/tests/CrawlerProcess/args_settings.py index a46a8806b..c8a3d0a5b 100644 --- a/tests/CrawlerProcess/args_settings.py +++ b/tests/CrawlerProcess/args_settings.py @@ -13,9 +13,10 @@ class NoRequestsSpider(scrapy.Spider): spider.settings.set("FOO", kwargs.get("foo")) return spider - def start_requests(self): + async def start(self): self.logger.info(f"The value of FOO is {self.settings.getint('FOO')}") - return [] + return + yield process = CrawlerProcess(settings={}) diff --git a/tests/CrawlerProcess/asyncio_custom_loop.py b/tests/CrawlerProcess/asyncio_custom_loop.py index 5e72aa6d4..bd78a0de7 100644 --- a/tests/CrawlerProcess/asyncio_custom_loop.py +++ b/tests/CrawlerProcess/asyncio_custom_loop.py @@ -5,8 +5,9 @@ from scrapy.crawler import CrawlerProcess class NoRequestsSpider(scrapy.Spider): name = "no_request" - def start_requests(self): - return [] + async def start(self): + return + yield process = CrawlerProcess( diff --git a/tests/CrawlerProcess/asyncio_enabled_no_reactor.py b/tests/CrawlerProcess/asyncio_enabled_no_reactor.py index 6f82cf589..6bb6fb3c6 100644 --- a/tests/CrawlerProcess/asyncio_enabled_no_reactor.py +++ b/tests/CrawlerProcess/asyncio_enabled_no_reactor.py @@ -12,8 +12,9 @@ class ReactorCheckExtension: class NoRequestsSpider(scrapy.Spider): name = "no_request" - def start_requests(self): - return [] + async def start(self): + return + yield process = CrawlerProcess( diff --git a/tests/CrawlerProcess/asyncio_enabled_reactor.py b/tests/CrawlerProcess/asyncio_enabled_reactor.py index a8bf1bc3c..f3dab12fe 100644 --- a/tests/CrawlerProcess/asyncio_enabled_reactor.py +++ b/tests/CrawlerProcess/asyncio_enabled_reactor.py @@ -38,8 +38,9 @@ class ReactorCheckExtension: class NoRequestsSpider(scrapy.Spider): name = "no_request" - def start_requests(self): - return [] + async def start(self): + return + yield process = CrawlerProcess( diff --git a/tests/CrawlerProcess/asyncio_enabled_reactor_different_loop.py b/tests/CrawlerProcess/asyncio_enabled_reactor_different_loop.py index e9d6d8875..d8c467f40 100644 --- a/tests/CrawlerProcess/asyncio_enabled_reactor_different_loop.py +++ b/tests/CrawlerProcess/asyncio_enabled_reactor_different_loop.py @@ -15,8 +15,9 @@ from scrapy.crawler import CrawlerProcess # noqa: E402 class NoRequestsSpider(scrapy.Spider): name = "no_request" - def start_requests(self): - return [] + async def start(self): + return + yield process = CrawlerProcess( diff --git a/tests/CrawlerProcess/asyncio_enabled_reactor_same_loop.py b/tests/CrawlerProcess/asyncio_enabled_reactor_same_loop.py index c72a0a17c..e7d3ca9cc 100644 --- a/tests/CrawlerProcess/asyncio_enabled_reactor_same_loop.py +++ b/tests/CrawlerProcess/asyncio_enabled_reactor_same_loop.py @@ -16,8 +16,9 @@ from scrapy.crawler import CrawlerProcess # noqa: E402 class NoRequestsSpider(scrapy.Spider): name = "no_request" - def start_requests(self): - return [] + async def start(self): + return + yield process = CrawlerProcess( diff --git a/tests/CrawlerProcess/caching_hostname_resolver.py b/tests/CrawlerProcess/caching_hostname_resolver.py index 7b0497bde..53d427061 100644 --- a/tests/CrawlerProcess/caching_hostname_resolver.py +++ b/tests/CrawlerProcess/caching_hostname_resolver.py @@ -11,7 +11,7 @@ class CachingHostnameResolverSpider(scrapy.Spider): name = "caching_hostname_resolver_spider" - def start_requests(self): + async def start(self): yield scrapy.Request(self.url) def parse(self, response): diff --git a/tests/CrawlerProcess/multi.py b/tests/CrawlerProcess/multi.py index 9f7eaf2ae..0058896b5 100644 --- a/tests/CrawlerProcess/multi.py +++ b/tests/CrawlerProcess/multi.py @@ -5,8 +5,9 @@ from scrapy.crawler import CrawlerProcess class NoRequestsSpider(scrapy.Spider): name = "no_request" - def start_requests(self): - return [] + async def start(self): + return + yield process = CrawlerProcess(settings={}) diff --git a/tests/CrawlerProcess/reactor_default.py b/tests/CrawlerProcess/reactor_default.py index e2933338b..8f59c035c 100644 --- a/tests/CrawlerProcess/reactor_default.py +++ b/tests/CrawlerProcess/reactor_default.py @@ -8,8 +8,9 @@ from scrapy.crawler import CrawlerProcess class NoRequestsSpider(scrapy.Spider): name = "no_request" - def start_requests(self): - return [] + async def start(self): + return + yield process = CrawlerProcess(settings={}) diff --git a/tests/CrawlerProcess/reactor_default_twisted_reactor_select.py b/tests/CrawlerProcess/reactor_default_twisted_reactor_select.py index eee808c32..9901dd634 100644 --- a/tests/CrawlerProcess/reactor_default_twisted_reactor_select.py +++ b/tests/CrawlerProcess/reactor_default_twisted_reactor_select.py @@ -8,8 +8,9 @@ from scrapy.crawler import CrawlerProcess class NoRequestsSpider(scrapy.Spider): name = "no_request" - def start_requests(self): - return [] + async def start(self): + return + yield process = CrawlerProcess( diff --git a/tests/CrawlerProcess/reactor_select.py b/tests/CrawlerProcess/reactor_select.py index b61e52625..53941568a 100644 --- a/tests/CrawlerProcess/reactor_select.py +++ b/tests/CrawlerProcess/reactor_select.py @@ -10,8 +10,9 @@ selectreactor.install() class NoRequestsSpider(scrapy.Spider): name = "no_request" - def start_requests(self): - return [] + async def start(self): + return + yield process = CrawlerProcess(settings={}) diff --git a/tests/CrawlerProcess/reactor_select_subclass_twisted_reactor_select.py b/tests/CrawlerProcess/reactor_select_subclass_twisted_reactor_select.py index 38ca4c4f1..5739d77ae 100644 --- a/tests/CrawlerProcess/reactor_select_subclass_twisted_reactor_select.py +++ b/tests/CrawlerProcess/reactor_select_subclass_twisted_reactor_select.py @@ -17,8 +17,9 @@ installReactor(reactor) class NoRequestsSpider(scrapy.Spider): name = "no_request" - def start_requests(self): - return [] + async def start(self): + return + yield process = CrawlerProcess( diff --git a/tests/CrawlerProcess/reactor_select_twisted_reactor_select.py b/tests/CrawlerProcess/reactor_select_twisted_reactor_select.py index b397608ec..c488f7526 100644 --- a/tests/CrawlerProcess/reactor_select_twisted_reactor_select.py +++ b/tests/CrawlerProcess/reactor_select_twisted_reactor_select.py @@ -9,8 +9,9 @@ selectreactor.install() class NoRequestsSpider(scrapy.Spider): name = "no_request" - def start_requests(self): - return [] + async def start(self): + return + yield process = CrawlerProcess( diff --git a/tests/CrawlerProcess/simple.py b/tests/CrawlerProcess/simple.py index 2d8769501..9e4ad70d9 100644 --- a/tests/CrawlerProcess/simple.py +++ b/tests/CrawlerProcess/simple.py @@ -5,8 +5,9 @@ from scrapy.crawler import CrawlerProcess class NoRequestsSpider(scrapy.Spider): name = "no_request" - def start_requests(self): - return [] + async def start(self): + return + yield process = CrawlerProcess(settings={}) diff --git a/tests/CrawlerRunner/change_reactor.py b/tests/CrawlerRunner/change_reactor.py index de76e13e8..6c0102241 100644 --- a/tests/CrawlerRunner/change_reactor.py +++ b/tests/CrawlerRunner/change_reactor.py @@ -10,8 +10,9 @@ class NoRequestsSpider(Spider): "TWISTED_REACTOR": "twisted.internet.asyncioreactor.AsyncioSelectorReactor", } - def start_requests(self): - return [] + async def start(self): + return + yield configure_logging({"LOG_FORMAT": "%(levelname)s: %(message)s", "LOG_LEVEL": "DEBUG"}) diff --git a/tests/CrawlerRunner/ip_address.py b/tests/CrawlerRunner/ip_address.py index b1b297777..5e2184afb 100644 --- a/tests/CrawlerRunner/ip_address.py +++ b/tests/CrawlerRunner/ip_address.py @@ -32,7 +32,7 @@ def createResolver(servers=None, resolvconf=None, hosts=None): class LocalhostSpider(Spider): name = "localhost_spider" - def start_requests(self): + async def start(self): yield Request(self.url) def parse(self, response): diff --git a/tests/__init__.py b/tests/__init__.py index cd52ade58..ccfabb0da 100644 --- a/tests/__init__.py +++ b/tests/__init__.py @@ -8,6 +8,9 @@ import os import socket from pathlib import Path +from twisted import version as TWISTED_VERSION +from twisted.python.versions import Version + # ignore system-wide proxies for tests # which would send requests to a totally unsuspecting server # (e.g. because urllib does not fully understand the proxy spec) @@ -30,3 +33,6 @@ except socket.gaierror: def get_testdata(*paths: str) -> bytes: """Return test data""" return Path(tests_datadir, *paths).read_bytes() + + +TWISTED_KEEPS_TRACEBACKS = TWISTED_VERSION >= Version("twisted", 24, 10, 0) diff --git a/tests/spiders.py b/tests/spiders.py index da923de6e..c47f2bd2b 100644 --- a/tests/spiders.py +++ b/tests/spiders.py @@ -68,7 +68,7 @@ class DelaySpider(MetaSpider): self.b = b self.t1 = self.t2 = self.t2_err = 0 - def start_requests(self): + async def start(self): self.t1 = time.time() url = self.mockserver.url(f"/delay?n={self.n}&b={self.b}") yield Request(url, callback=self.parse, errback=self.errback) @@ -105,7 +105,7 @@ class LogSpider(MetaSpider): class SlowSpider(DelaySpider): name = "slow" - def start_requests(self): + async def start(self): # 1st response is fast url = self.mockserver.url("/delay?n=0&b=0") yield Request(url, callback=self.parse, errback=self.errback) @@ -255,7 +255,7 @@ class AsyncDefAsyncioGenComplexSpider(SimpleSpider): callback=cb, ) - def start_requests(self): + async def start(self): for i in range(1, self.initial_reqs + 1): yield self._get_req(i) @@ -319,7 +319,7 @@ class ErrorSpider(FollowAllSpider): self.raise_exception() -class BrokenStartRequestsSpider(FollowAllSpider): +class BrokenStartSpider(FollowAllSpider): fail_before_yield = False fail_yielding = False @@ -327,7 +327,7 @@ class BrokenStartRequestsSpider(FollowAllSpider): super().__init__(*a, **kw) self.seedsseen = [] - def start_requests(self): + async def start(self): if self.fail_before_yield: 1 / 0 @@ -338,22 +338,20 @@ class BrokenStartRequestsSpider(FollowAllSpider): if self.fail_yielding: 2 / 0 - assert self.seedsseen, ( - "All start requests consumed before any download happened" - ) + assert self.seedsseen, "All seeds consumed before any download happened" def parse(self, response): self.seedsseen.append(response.meta.get("seed")) yield from super().parse(response) -class StartRequestsItemSpider(FollowAllSpider): - def start_requests(self): +class StartItemSpider(FollowAllSpider): + async def start(self): yield {"name": "test item"} -class StartRequestsGoodAndBadOutput(FollowAllSpider): - def start_requests(self): +class StartGoodAndBadOutput(FollowAllSpider): + async def start(self): yield {"a": "a"} yield Request("data:,a") yield "data:,b" @@ -365,7 +363,7 @@ class SingleRequestSpider(MetaSpider): callback_func = None errback_func = None - def start_requests(self): + async def start(self): if isinstance(self.seed, Request): yield self.seed.replace(callback=self.parse, errback=self.on_error) else: @@ -386,13 +384,13 @@ class SingleRequestSpider(MetaSpider): return None -class DuplicateStartRequestsSpider(MockServerSpider): +class DuplicateStartSpider(MockServerSpider): dont_filter = True name = "duplicatestartrequests" distinct_urls = 2 dupe_factor = 3 - def start_requests(self): + async def start(self): for i in range(self.distinct_urls): for j in range(self.dupe_factor): url = self.mockserver.url(f"/echo?headers=1&body=test{i}") @@ -417,7 +415,7 @@ class CrawlSpiderWithParseMethod(MockServerSpider, CrawlSpider): } rules = (Rule(LinkExtractor(), callback="parse", follow=True),) - def start_requests(self): + async def start(self): test_body = b""" Page title<title></head> @@ -471,7 +469,7 @@ class CrawlSpiderWithErrback(CrawlSpiderWithParseMethod): name = "crawl_spider_with_errback" rules = (Rule(LinkExtractor(), callback="parse", errback="errback", follow=True),) - def start_requests(self): + async def start(self): test_body = b""" <html> <head><title>Page title<title></head> @@ -516,7 +514,7 @@ class BytesReceivedCallbackSpider(MetaSpider): crawler.signals.connect(spider.bytes_received, signals.bytes_received) return spider - def start_requests(self): + async def start(self): body = b"a" * self.full_response_length url = self.mockserver.url("/alpayload") yield Request(url, method="POST", body=body, errback=self.errback) @@ -545,7 +543,7 @@ class HeadersReceivedCallbackSpider(MetaSpider): crawler.signals.connect(spider.headers_received, signals.headers_received) return spider - def start_requests(self): + async def start(self): yield Request(self.mockserver.url("/status"), errback=self.errback) def parse(self, response): diff --git a/tests/test_cmdline_crawl_with_pipeline/__init__.py b/tests/test_cmdline_crawl_with_pipeline/__init__.py index 5228f6abd..5006e3689 100644 --- a/tests/test_cmdline_crawl_with_pipeline/__init__.py +++ b/tests/test_cmdline_crawl_with_pipeline/__init__.py @@ -2,17 +2,26 @@ import sys from pathlib import Path from subprocess import PIPE, Popen +from .. import TWISTED_KEEPS_TRACEBACKS + class TestCmdlineCrawlPipeline: def _execute(self, spname): args = (sys.executable, "-m", "scrapy.cmdline", "crawl", spname) cwd = Path(__file__).resolve().parent proc = Popen(args, stdout=PIPE, stderr=PIPE, cwd=cwd) - proc.communicate() - return proc.returncode + _, stderr = proc.communicate() + return proc.returncode, stderr def test_open_spider_normally_in_pipeline(self): - assert self._execute("normal") == 0 + returncode, stderr = self._execute("normal") + assert returncode == 0 def test_exception_at_open_spider_in_pipeline(self): - assert self._execute("exception") == 1 + returncode, stderr = self._execute("exception") + # An unhandled exception in a pipeline should not stop the crawl + assert returncode == 0 + if TWISTED_KEEPS_TRACEBACKS: + assert b'RuntimeError("exception")' in stderr + else: + assert b"RuntimeError: exception" in stderr diff --git a/tests/test_commands.py b/tests/test_commands.py index f63e05628..16af97842 100644 --- a/tests/test_commands.py +++ b/tests/test_commands.py @@ -670,9 +670,10 @@ import scrapy class MySpider(scrapy.Spider): name = 'myspider' - def start_requests(self): + async def start(self): self.logger.debug("It Works!") - return [] + return + yield """ badspider = """ @@ -680,8 +681,9 @@ import scrapy class BadSpider(scrapy.Spider): name = "bad" - def start_requests(self): + async def start(self): raise Exception("oops!") + yield """ @contextmanager @@ -771,10 +773,10 @@ class MySpider(scrapy.Spider): log = self.get_log("", name="myspider.txt") assert "Unable to load" in log - def test_start_requests_errors(self): + def test_start_errors(self): log = self.get_log(self.badspider, name="badspider.py") - assert "start_requests" in log - assert "badspider.py" in log + assert "start" in log + assert "badspider.py" in log, log def test_asyncio_enabled_true(self): log = self.get_log( @@ -846,9 +848,10 @@ import scrapy class MySpider(scrapy.Spider): name = 'myspider' - def start_requests(self): + async def start(self): self.logger.debug('FEEDS: {}'.format(self.settings.getdict('FEEDS'))) - return [] + return + yield """ args = ["-o", "example.json"] log = self.get_log(spider_code, args=args) @@ -862,13 +865,14 @@ import scrapy class MySpider(scrapy.Spider): name = 'myspider' - def start_requests(self): + async def start(self): self.logger.debug( 'FEEDS: {}'.format( json.dumps(self.settings.getdict('FEEDS'), sort_keys=True) ) ) - return [] + return + yield """ Path(self.cwd, "example.json").write_text("not empty", encoding="utf-8") args = ["-O", "example.json"] @@ -888,8 +892,9 @@ import scrapy class MySpider(scrapy.Spider): name = 'myspider' - def start_requests(self): - return [] + async def start(self): + return + yield """ args = ["-o", "example1.json", "-O", "example2.json"] log = self.get_log(spider_code, args=args) @@ -904,9 +909,10 @@ import scrapy class MySpider(scrapy.Spider): name = 'myspider' - def start_requests(self): + async def start(self): self.logger.debug('FEEDS: {}'.format(self.settings.getdict('FEEDS'))) - return [] + return + yield """ args = ["-o", "-:json"] log = self.get_log(spider_code, args=args) @@ -983,9 +989,10 @@ class MySpider(scrapy.Spider): spider.settings.set("FOO", kwargs.get("foo")) return spider - def start_requests(self): + async def start(self): self.logger.info(f"The value of FOO is {self.settings.getint('FOO')}") - return [] + return + yield """ args = ["-a", "foo=42"] log = self.get_log(spider_code, args=args) @@ -1001,9 +1008,9 @@ class TestWindowsRunSpiderCommand(TestRunSpiderCommand): raise unittest.SkipTest("Windows required for .pyw files") return super().setUp() - def test_start_requests_errors(self): + def test_start_errors(self): log = self.get_log(self.badspider, name="badspider.pyw") - assert "start_requests" in log + assert "start" in log assert "badspider.pyw" in log def test_runspider_unable_to_load(self): @@ -1053,9 +1060,10 @@ import scrapy class MySpider(scrapy.Spider): name = 'myspider' - def start_requests(self): + async def start(self): self.logger.debug('It works!') - return [] + return + yield """ log = self.get_log(spider_code) assert "[myspider] DEBUG: It works!" in log @@ -1067,9 +1075,10 @@ import scrapy class MySpider(scrapy.Spider): name = 'myspider' - def start_requests(self): + async def start(self): self.logger.debug('FEEDS: {}'.format(self.settings.getdict('FEEDS'))) - return [] + return + yield """ args = ["-o", "example.json"] log = self.get_log(spider_code, args=args) @@ -1083,13 +1092,14 @@ import scrapy class MySpider(scrapy.Spider): name = 'myspider' - def start_requests(self): + async def start(self): self.logger.debug( 'FEEDS: {}'.format( json.dumps(self.settings.getdict('FEEDS'), sort_keys=True) ) ) - return [] + return + yield """ Path(self.cwd, "example.json").write_text("not empty", encoding="utf-8") args = ["-O", "example.json"] @@ -1109,8 +1119,9 @@ import scrapy class MySpider(scrapy.Spider): name = 'myspider' - def start_requests(self): - return [] + async def start(self): + return + yield """ args = ["-o", "example1.json", "-O", "example2.json"] log = self.get_log(spider_code, args=args) diff --git a/tests/test_contracts.py b/tests/test_contracts.py index fb961ace2..26b16a1d4 100644 --- a/tests/test_contracts.py +++ b/tests/test_contracts.py @@ -511,8 +511,9 @@ class TestContractsManager(unittest.TestCase): super().__init__(*args, **kwargs) self.visited = 0 - def start_requests(self_): # pylint: disable=no-self-argument - return self.conman.from_spider(self_, self.results) + async def start(self_): # pylint: disable=no-self-argument + for item_or_request in self.conman.from_spider(self_, self.results): + yield item_or_request def parse_first(self, response): self.visited += 1 diff --git a/tests/test_crawl.py b/tests/test_crawl.py index b7a8a9628..b90706027 100644 --- a/tests/test_crawl.py +++ b/tests/test_crawl.py @@ -36,7 +36,7 @@ from tests.spiders import ( AsyncDefDeferredMaybeWrappedSpider, AsyncDefDeferredWrappedSpider, AsyncDefSpider, - BrokenStartRequestsSpider, + BrokenStartSpider, BytesReceivedCallbackSpider, BytesReceivedErrbackSpider, CrawlSpiderWithAsyncCallback, @@ -45,14 +45,14 @@ from tests.spiders import ( CrawlSpiderWithParseMethod, CrawlSpiderWithProcessRequestCallbackKeywordArguments, DelaySpider, - DuplicateStartRequestsSpider, + DuplicateStartSpider, FollowAllSpider, HeadersReceivedCallbackSpider, HeadersReceivedErrbackSpider, SimpleSpider, SingleRequestSpider, - StartRequestsGoodAndBadOutput, - StartRequestsItemSpider, + StartGoodAndBadOutput, + StartItemSpider, ) @@ -165,9 +165,9 @@ class TestCrawl(TestCase): self._assert_retried(log) @defer.inlineCallbacks - def test_start_requests_bug_before_yield(self): + def test_start_bug_before_yield(self): with LogCapture("scrapy", level=logging.ERROR) as log: - crawler = get_crawler(BrokenStartRequestsSpider) + crawler = get_crawler(BrokenStartSpider) yield crawler.crawl(fail_before_yield=1, mockserver=self.mockserver) assert len(log.records) == 1 @@ -176,9 +176,9 @@ class TestCrawl(TestCase): assert record.exc_info[0] is ZeroDivisionError @defer.inlineCallbacks - def test_start_requests_bug_yielding(self): + def test_start_bug_yielding(self): with LogCapture("scrapy", level=logging.ERROR) as log: - crawler = get_crawler(BrokenStartRequestsSpider) + crawler = get_crawler(BrokenStartSpider) yield crawler.crawl(fail_yielding=1, mockserver=self.mockserver) assert len(log.records) == 1 @@ -187,14 +187,14 @@ class TestCrawl(TestCase): assert record.exc_info[0] is ZeroDivisionError @defer.inlineCallbacks - def test_start_requests_items(self): + def test_start_items(self): items = [] def _on_item_scraped(item): items.append(item) with LogCapture("scrapy", level=logging.ERROR) as log: - crawler = get_crawler(StartRequestsItemSpider) + crawler = get_crawler(StartItemSpider) crawler.signals.connect(_on_item_scraped, signals.item_scraped) yield crawler.crawl(mockserver=self.mockserver) @@ -202,11 +202,11 @@ class TestCrawl(TestCase): assert items == [{"name": "test item"}] @defer.inlineCallbacks - def test_start_requests_unsupported_output(self): + def test_start_unsupported_output(self): """Anything that is not a request is assumed to be an item, avoiding a - potentially expensive call to itemadapter.is_item, and letting instead - things fail when ItemAdapter is actually used on the corresponding - non-item object.""" + potentially expensive call to itemadapter.is_item(), and letting + instead things fail when ItemAdapter is actually used on the + corresponding non-item object.""" items = [] @@ -214,7 +214,7 @@ class TestCrawl(TestCase): items.append(item) with LogCapture("scrapy", level=logging.ERROR) as log: - crawler = get_crawler(StartRequestsGoodAndBadOutput) + crawler = get_crawler(StartGoodAndBadOutput) crawler.signals.connect(_on_item_scraped, signals.item_scraped) yield crawler.crawl(mockserver=self.mockserver) @@ -223,24 +223,15 @@ class TestCrawl(TestCase): assert not any(isinstance(item, Request) for item in items) @defer.inlineCallbacks - def test_start_requests_laziness(self): + def test_start_dupes(self): settings = {"CONCURRENT_REQUESTS": 1} - crawler = get_crawler(BrokenStartRequestsSpider, settings) - yield crawler.crawl(mockserver=self.mockserver) - assert crawler.spider.seedsseen.index(None) < crawler.spider.seedsseen.index( - 99 - ), crawler.spider.seedsseen - - @defer.inlineCallbacks - def test_start_requests_dupes(self): - settings = {"CONCURRENT_REQUESTS": 1} - crawler = get_crawler(DuplicateStartRequestsSpider, settings) + crawler = get_crawler(DuplicateStartSpider, settings) yield crawler.crawl( dont_filter=True, distinct_urls=2, dupe_factor=3, mockserver=self.mockserver ) assert crawler.spider.visited == 6 - crawler = get_crawler(DuplicateStartRequestsSpider, settings) + crawler = get_crawler(DuplicateStartSpider, settings) yield crawler.crawl( dont_filter=False, distinct_urls=3, @@ -322,10 +313,10 @@ with multiples lines # basic asserts in case of weird communication errors assert "responses" in crawler.spider.meta assert "failures" not in crawler.spider.meta - # start requests doesn't set Referer header + # start() doesn't set Referer header echo0 = json.loads(to_unicode(crawler.spider.meta["responses"][2].body)) assert "Referer" not in echo0["headers"] - # following request sets Referer to start request url + # following request sets Referer to the source request url echo1 = json.loads(to_unicode(crawler.spider.meta["responses"][1].body)) assert echo1["headers"].get("Referer") == [req0.url] # next request avoids Referer header @@ -378,27 +369,6 @@ with multiples lines assert s["engine.spider.name"] == crawler.spider.name assert s["len(engine.scraper.slot.active)"] == "1" - @defer.inlineCallbacks - def test_graceful_crawl_error_handling(self): - """ - Test whether errors happening anywhere in Crawler.crawl() are properly - reported (and not somehow swallowed) after a graceful engine shutdown. - The errors should not come from within Scrapy's core but from within - spiders/middlewares/etc., e.g. raised in Spider.start_requests(), - SpiderMiddleware.process_start_requests(), etc. - """ - - class TestError(Exception): - pass - - class FaultySpider(SimpleSpider): - def start_requests(self): - raise TestError - - crawler = get_crawler(FaultySpider) - yield self.assertFailure(crawler.crawl(mockserver=self.mockserver), TestError) - assert not crawler.crawling - @defer.inlineCallbacks def test_open_spider_error_on_faulty_pipeline(self): settings = { diff --git a/tests/test_crawler.py b/tests/test_crawler.py index efb346dde..7a3d562e5 100644 --- a/tests/test_crawler.py +++ b/tests/test_crawler.py @@ -153,7 +153,7 @@ class TestCrawler(TestBaseCrawler): super().__init__(**kwargs) self.crawler = crawler - def start_requests(self): + async def start(self): MySpider.result = crawler.get_downloader_middleware(MySpider.cls) return yield @@ -233,7 +233,7 @@ class TestCrawler(TestBaseCrawler): super().__init__(**kwargs) self.crawler = crawler - def start_requests(self): + async def start(self): MySpider.result = crawler.get_extension(MySpider.cls) return yield @@ -313,7 +313,7 @@ class TestCrawler(TestBaseCrawler): super().__init__(**kwargs) self.crawler = crawler - def start_requests(self): + async def start(self): MySpider.result = crawler.get_item_pipeline(MySpider.cls) return yield @@ -393,7 +393,7 @@ class TestCrawler(TestBaseCrawler): super().__init__(**kwargs) self.crawler = crawler - def start_requests(self): + async def start(self): MySpider.result = crawler.get_spider_middleware(MySpider.cls) return yield @@ -580,8 +580,9 @@ class ExceptionSpider(scrapy.Spider): class NoRequestsSpider(scrapy.Spider): name = "no_request" - def start_requests(self): - return [] + async def start(self): + return + yield @pytest.mark.usefixtures("reactor_pytest") diff --git a/tests/test_downloadermiddleware.py b/tests/test_downloadermiddleware.py index 408160ccb..8ae160f8a 100644 --- a/tests/test_downloadermiddleware.py +++ b/tests/test_downloadermiddleware.py @@ -25,7 +25,7 @@ class TestManagerBase(TestCase): self.spider = self.crawler._create_spider("foo") self.mwman = DownloaderMiddlewareManager.from_crawler(self.crawler) self.crawler.engine = self.crawler._create_engine() - return self.crawler.engine.open_spider(self.spider, start_requests=()) + return self.crawler.engine.open_spider(self.spider) def tearDown(self): return self.crawler.engine.close_spider(self.spider) diff --git a/tests/test_downloaderslotssettings.py b/tests/test_downloaderslotssettings.py index 4fca9eefb..78c83ea83 100644 --- a/tests/test_downloaderslotssettings.py +++ b/tests/test_downloaderslotssettings.py @@ -28,7 +28,7 @@ class DownloaderSlotsSettingsTestSpider(MetaSpider): }, } - def start_requests(self): + async def start(self): self.times = {None: []} slots = [*self.custom_settings.get("DOWNLOAD_SLOTS", {}), None] diff --git a/tests/test_engine.py b/tests/test_engine.py index 8928e4daf..b60b510b2 100644 --- a/tests/test_engine.py +++ b/tests/test_engine.py @@ -29,7 +29,7 @@ from twisted.trial import unittest from twisted.web import server, static, util from scrapy import signals -from scrapy.core.engine import ExecutionEngine, Slot +from scrapy.core.engine import ExecutionEngine, _Slot from scrapy.core.scheduler import BaseScheduler from scrapy.exceptions import CloseSpider, IgnoreRequest from scrapy.http import Request @@ -92,8 +92,9 @@ class MySpider(Spider): class DupeFilterSpider(MySpider): - def start_requests(self): - return (Request(url) for url in self.start_urls) # no dont_filter=True + async def start(self): + for url in self.start_urls: + yield Request(url) # no dont_filter=True class DictItemsSpider(MySpider): @@ -149,7 +150,6 @@ class CrawlerRun: """A class to run the crawler and keep track of events occurred""" def __init__(self, spider_class): - self.spider = None self.respplug = [] self.reqplug = [] self.reqdropped = [] @@ -190,7 +190,6 @@ class CrawlerRun: self.response_downloaded, signals.response_downloaded ) self.crawler.crawl(start_urls=start_urls) - self.spider = self.crawler.spider self.deferred = defer.Deferred() dispatcher.connect(self.stop, signals.engine_stopped) @@ -296,7 +295,7 @@ class TestEngineBase(unittest.TestCase): assert len(run.itemerror) == 2 for item, response, spider, failure in run.itemerror: assert failure.value.__class__ is ZeroDivisionError - assert spider == run.spider + assert spider == run.crawler.spider assert item["url"] == response.url if "item1.html" in item["url"]: @@ -377,11 +376,14 @@ class TestEngineBase(unittest.TestCase): assert signals.spider_closed in run.signals_caught assert signals.headers_received in run.signals_caught - assert {"spider": run.spider} == run.signals_caught[signals.spider_opened] - assert {"spider": run.spider} == run.signals_caught[signals.spider_idle] - assert {"spider": run.spider, "reason": "finished"} == run.signals_caught[ - signals.spider_closed + assert {"spider": run.crawler.spider} == run.signals_caught[ + signals.spider_opened ] + assert {"spider": run.crawler.spider} == run.signals_caught[signals.spider_idle] + assert { + "spider": run.crawler.spider, + "reason": "finished", + } == run.signals_caught[signals.spider_closed] class TestEngine(TestEngineBase): @@ -419,9 +421,10 @@ class TestEngine(TestEngineBase): def test_crawler_change_close_reason_on_idle(self): run = CrawlerRun(ChangeCloseReasonSpider) yield run.run() - assert {"spider": run.spider, "reason": "custom_reason"} == run.signals_caught[ - signals.spider_closed - ] + assert { + "spider": run.crawler.spider, + "reason": "custom_reason", + } == run.signals_caught[signals.spider_closed] @defer.inlineCallbacks def test_close_downloader(self): @@ -471,7 +474,7 @@ class TestEngine(TestEngineBase): finally: timer.cancel() - assert b"Traceback" not in stderr + assert b"Traceback" not in stderr, stderr def test_request_scheduled_signal(caplog): @@ -491,7 +494,13 @@ def test_request_scheduled_signal(caplog): engine = ExecutionEngine(crawler, lambda _: None) engine.downloader._slot_gc_loop.stop() scheduler = TestScheduler() - engine.slot = Slot((), None, Mock(), scheduler) + + async def start(): + return + yield + + engine._start = start() + engine._slot = _Slot(False, Mock(), scheduler) crawler.signals.connect(signal_handler, request_scheduled) keep_request = Request("https://keep.example") engine._schedule_request(keep_request) diff --git a/tests/test_engine_loop.py b/tests/test_engine_loop.py new file mode 100644 index 000000000..90af10f0e --- /dev/null +++ b/tests/test_engine_loop.py @@ -0,0 +1,364 @@ +from __future__ import annotations + +from collections import deque +from logging import ERROR +from typing import TYPE_CHECKING + +from testfixtures import LogCapture +from twisted.internet.defer import Deferred +from twisted.trial.unittest import TestCase + +from scrapy import Request, Spider, signals +from scrapy.utils.defer import deferred_f_from_coro_f, maybe_deferred_to_future +from scrapy.utils.test import get_crawler + +from .mockserver import MockServer +from .test_scheduler import MemoryScheduler + +if TYPE_CHECKING: + from scrapy.http import Response + + +async def sleep(seconds: float = 0.001) -> None: + from twisted.internet import reactor + + deferred: Deferred[None] = Deferred() + reactor.callLater(seconds, deferred.callback, None) + await maybe_deferred_to_future(deferred) + + +class MainTestCase(TestCase): + @deferred_f_from_coro_f + async def test_sleep(self): + """Neither asynchronous sleeps on Spider.start() nor the equivalent on + the scheduler (returning no requests while also returning True from + the has_pending_requests() method) should cause the spider to miss the + processing of any later requests.""" + seconds = 2 + + class TestSpider(Spider): + name = "test" + + async def start(self): + from twisted.internet import reactor + + yield Request("data:,a") + + await sleep(seconds) + + self.crawler.engine._slot.scheduler.pause() + self.crawler.engine._slot.scheduler.enqueue_request(Request("data:,b")) + + # During this time, the scheduler reports having requests but + # returns None. + await sleep(seconds) + + self.crawler.engine._slot.scheduler.unpause() + + # The scheduler request is processed. + await sleep(seconds) + + yield Request("data:,c") + + await sleep(seconds) + + self.crawler.engine._slot.scheduler.pause() + self.crawler.engine._slot.scheduler.enqueue_request(Request("data:,d")) + + # The last start request is processed during the time until the + # delayed call below, proving that the start iteration can + # finish before a scheduler “sleep” without causing the + # scheduler to finish. + reactor.callLater(seconds, self.crawler.engine._slot.scheduler.unpause) + + def parse(self, response): + pass + + actual_urls = [] + + def track_url(request, spider): + actual_urls.append(request.url) + + settings = {"SCHEDULER": MemoryScheduler} + crawler = get_crawler(TestSpider, settings_dict=settings) + crawler.signals.connect(track_url, signals.request_reached_downloader) + await maybe_deferred_to_future(crawler.crawl()) + assert crawler.stats.get_value("finish_reason") == "finished" + expected_urls = ["data:,a", "data:,b", "data:,c", "data:,d"] + assert actual_urls == expected_urls, f"{actual_urls=} != {expected_urls=}" + + @deferred_f_from_coro_f + async def test_close_during_start_iteration(self): + class TestSpider(Spider): + name = "test" + + async def start(self): + assert self.crawler.engine is not None + await maybe_deferred_to_future(self.crawler.engine.close()) + yield Request("data:,a") + + def parse(self, response): + pass + + actual_urls = [] + + def track_url(request, spider): + actual_urls.append(request.url) + + settings = {"SCHEDULER": MemoryScheduler} + crawler = get_crawler(TestSpider, settings_dict=settings) + crawler.signals.connect(track_url, signals.request_reached_downloader) + + with LogCapture(level=ERROR) as log: + await maybe_deferred_to_future(crawler.crawl()) + + assert not log.records, f"{log.records=}" + finish_reason = crawler.stats.get_value("finish_reason") + assert finish_reason == "shutdown", f"{finish_reason=}" + expected_urls = [] + assert actual_urls == expected_urls, f"{actual_urls=} != {expected_urls=}" + + +class RequestSendOrderTestCase(TestCase): + seconds = 0.1 # increase if flaky + + @classmethod + def setUpClass(cls): + cls.mockserver = MockServer() + cls.mockserver.__enter__() + + @classmethod + def tearDownClass(cls): + cls.mockserver.__exit__(None, None, None) # increase if flaky + + def request(self, num, response_seconds, download_slots, priority=0): + url = self.mockserver.url(f"/delay?n={response_seconds}&{num}") + meta = {"download_slot": str(num % download_slots)} + return Request(url, meta=meta, priority=priority) + + def get_num(self, request_or_response: Request | Response): + return int(request_or_response.url.rsplit("&", maxsplit=1)[1]) + + @deferred_f_from_coro_f + async def _test_request_order( + self, + start_nums, + cb_nums=None, + settings=None, + response_seconds=None, + download_slots=1, + start_fn=None, + parse_fn=None, + ): + cb_nums = cb_nums or [] + settings = settings or {} + response_seconds = response_seconds or self.seconds + + cb_requests = deque( + [self.request(num, response_seconds, download_slots) for num in cb_nums] + ) + + if start_fn is None: + + async def start_fn(spider): + for num in start_nums: + yield self.request(num, response_seconds, download_slots) + + if parse_fn is None: + + def parse_fn(spider, response): + while cb_requests: + yield cb_requests.popleft() + + class TestSpider(Spider): + name = "test" + start = start_fn + parse = parse_fn + + actual_nums = [] + + def track_num(request, spider): + actual_nums.append(self.get_num(request)) + + crawler = get_crawler(TestSpider, settings_dict=settings) + crawler.signals.connect(track_num, signals.request_reached_downloader) + await maybe_deferred_to_future(crawler.crawl()) + assert crawler.stats.get_value("finish_reason") == "finished" + expected_nums = sorted(start_nums + cb_nums) + assert actual_nums == expected_nums, f"{actual_nums=} != {expected_nums=}" + + @deferred_f_from_coro_f + async def test_default(self): + """By default, start requests take priority over callback requests and + are sent in order. Priority matters, but given the same priority, a + start request takes precedence.""" + nums = [1, 2, 3, 4, 5, 6] + response_seconds = 0 + download_slots = 1 + + def _request(num, priority=0): + return self.request( + num, response_seconds, download_slots, priority=priority + ) + + async def start(spider): + # The first CONCURRENT_REQUESTS start requests are sent + # immediately. + yield _request(1) + + for request in ( + _request(4, priority=1), + _request(6), + ): + spider.crawler.engine._slot.scheduler.enqueue_request(request) + yield _request(5) + yield _request(2, priority=1) + yield _request(3, priority=1) + + def parse(spider, response): + return + yield + + await maybe_deferred_to_future( + self._test_request_order( + start_nums=nums, + settings={"CONCURRENT_REQUESTS": 1}, + response_seconds=response_seconds, + start_fn=start, + parse_fn=parse, + ) + ) + + @deferred_f_from_coro_f + async def test_lifo_start(self): + """Changing the queues of start requests to LIFO, matching the queues + of non-start requests, does not cause all requests to be stored in the + same queue objects, it only affects the order of start requests.""" + nums = [1, 2, 3, 4, 5, 6] + response_seconds = 0 + download_slots = 1 + + def _request(num, priority=0): + return self.request( + num, response_seconds, download_slots, priority=priority + ) + + async def start(spider): + # The first CONCURRENT_REQUESTS start requests are sent + # immediately. + yield _request(1) + + for request in ( + _request(4, priority=1), + _request(6), + ): + spider.crawler.engine._slot.scheduler.enqueue_request(request) + yield _request(5) + yield _request(3, priority=1) + yield _request(2, priority=1) + + def parse(spider, response): + return + yield + + await maybe_deferred_to_future( + self._test_request_order( + start_nums=nums, + settings={ + "CONCURRENT_REQUESTS": 1, + "SCHEDULER_START_MEMORY_QUEUE": "scrapy.squeues.LifoMemoryQueue", + }, + response_seconds=response_seconds, + start_fn=start, + parse_fn=parse, + ) + ) + + @deferred_f_from_coro_f + async def test_shared_queues(self): + """If SCHEDULER_START_*_QUEUE is falsy, start requests and other + requests share the same queue, i.e. start requests are not priorized + over other requests if their priority matches.""" + nums = list(range(1, 14)) + response_seconds = 0 + download_slots = 1 + + def _request(num, priority=0): + return self.request( + num, response_seconds, download_slots, priority=priority + ) + + async def start(spider): + # The first CONCURRENT_REQUESTS start requests are sent + # immediately. + yield _request(1) + + # Below, priority 1 requests are sent first, and requests are sent + # in LIFO order. + + for request in ( + _request(7, priority=1), + _request(6, priority=1), + _request(13), + _request(12), + ): + spider.crawler.engine._slot.scheduler.enqueue_request(request) + + yield _request(11) + yield _request(10) + yield _request(5, priority=1) + yield _request(4, priority=1) + + for request in ( + _request(3, priority=1), + _request(2, priority=1), + _request(9), + _request(8), + ): + spider.crawler.engine._slot.scheduler.enqueue_request(request) + + def parse(spider, response): + return + yield + + await maybe_deferred_to_future( + self._test_request_order( + start_nums=nums, + settings={ + "CONCURRENT_REQUESTS": 1, + "SCHEDULER_START_MEMORY_QUEUE": None, + }, + response_seconds=response_seconds, + start_fn=start, + parse_fn=parse, + ) + ) + + # Examples from the “Start requests” section of the documentation about + # spiders. + + @deferred_f_from_coro_f + async def test_lazy(self): + start_nums = [1, 2, 4] + cb_nums = [3] + response_seconds = self.seconds * 2**1 # increase if flaky + download_slots = 1 + + async def start(spider): + for num in start_nums: + if spider.crawler.engine.needs_backout(): + await spider.crawler.signals.wait_for(signals.scheduler_empty) + request = self.request(num, response_seconds, download_slots) + yield request + + await maybe_deferred_to_future( + self._test_request_order( + start_nums=start_nums, + cb_nums=cb_nums, + settings={ + "CONCURRENT_REQUESTS": 1, + }, + response_seconds=response_seconds, + start_fn=start, + ) + ) diff --git a/tests/test_pipelines.py b/tests/test_pipelines.py index 743d9774b..d658d1526 100644 --- a/tests/test_pipelines.py +++ b/tests/test_pipelines.py @@ -69,7 +69,7 @@ class AsyncDefNotAsyncioPipeline: class ItemSpider(Spider): name = "itemspider" - def start_requests(self): + async def start(self): yield Request(self.mockserver.url("/status?n=200")) def parse(self, response): diff --git a/tests/test_request_cb_kwargs.py b/tests/test_request_cb_kwargs.py index ab6baa5f0..79b53b33b 100644 --- a/tests/test_request_cb_kwargs.py +++ b/tests/test_request_cb_kwargs.py @@ -28,10 +28,10 @@ class InjectArgumentsSpiderMiddleware: Make sure spider middlewares are able to update the keyword arguments """ - def process_start_requests(self, start_requests, spider): - for request in start_requests: + async def process_start(self, start): + async for request in start: if request.callback.__name__ == "parse_spider_mw": - request.cb_kwargs["from_process_start_requests"] = True + request.cb_kwargs["from_process_start"] = True yield request def process_spider_input(self, response, spider): @@ -62,7 +62,7 @@ class KeywordArgumentsSpider(MockServerSpider): checks: list[bool] = [] - def start_requests(self): + async def start(self): data = {"key": "value", "number": 123, "callback": "some_callback"} yield Request(self.mockserver.url("/first"), self.parse_first, cb_kwargs=data) yield Request( @@ -138,11 +138,9 @@ class KeywordArgumentsSpider(MockServerSpider): self.checks.append(bool(from_process_response)) self.crawler.stats.inc_value("boolean_checks", 2) - def parse_spider_mw( - self, response, from_process_spider_input, from_process_start_requests - ): + def parse_spider_mw(self, response, from_process_spider_input, from_process_start): self.checks.append(bool(from_process_spider_input)) - self.checks.append(bool(from_process_start_requests)) + self.checks.append(bool(from_process_start)) self.crawler.stats.inc_value("boolean_checks", 2) return Request(self.mockserver.url("/spider_mw_2"), self.parse_spider_mw_2) diff --git a/tests/test_scheduler.py b/tests/test_scheduler.py index 1d6992a32..f90293dd3 100644 --- a/tests/test_scheduler.py +++ b/tests/test_scheduler.py @@ -3,6 +3,7 @@ from __future__ import annotations import shutil import tempfile from abc import ABC, abstractmethod +from collections import deque from typing import Any, NamedTuple import pytest @@ -10,7 +11,7 @@ from twisted.internet import defer from twisted.trial.unittest import TestCase from scrapy.core.downloader import Downloader -from scrapy.core.scheduler import Scheduler +from scrapy.core.scheduler import BaseScheduler, Scheduler from scrapy.crawler import Crawler from scrapy.http import Request from scrapy.spiders import Spider @@ -20,6 +21,38 @@ from scrapy.utils.test import get_crawler from tests.mockserver import MockServer +class MemoryScheduler(BaseScheduler): + paused = False + + def __init__(self, *args, **kwargs): + super().__init__(*args, **kwargs) + self.queue = deque( + Request(value) if isinstance(value, str) else value + for value in getattr(self, "queue", []) + ) + + def enqueue_request(self, request: Request) -> bool: + self.queue.append(request) + return True + + def has_pending_requests(self) -> bool: + return self.paused or bool(self.queue) + + def next_request(self) -> Request | None: + if self.paused: + return None + try: + return self.queue.pop() + except IndexError: + return None + + def pause(self) -> None: + self.paused = True + + def unpause(self) -> None: + self.paused = False + + class MockEngine(NamedTuple): downloader: MockDownloader diff --git a/tests/test_signals.py b/tests/test_signals.py index f5075fb60..663e912b7 100644 --- a/tests/test_signals.py +++ b/tests/test_signals.py @@ -1,8 +1,9 @@ import pytest from twisted.internet import defer -from twisted.trial import unittest +from twisted.trial.unittest import TestCase from scrapy import Request, Spider, signals +from scrapy.utils.defer import deferred_f_from_coro_f, maybe_deferred_to_future from scrapy.utils.test import get_crawler, get_from_asyncio_queue from tests.mockserver import MockServer @@ -10,7 +11,7 @@ from tests.mockserver import MockServer class ItemSpider(Spider): name = "itemspider" - def start_requests(self): + async def start(self): for index in range(10): yield Request( self.mockserver.url(f"/status?n=200&id={index}"), meta={"index": index} @@ -20,7 +21,21 @@ class ItemSpider(Spider): return {"index": response.meta["index"]} -class TestAsyncSignal(unittest.TestCase): +class MainTestCase(TestCase): + @deferred_f_from_coro_f + async def test_scheduler_empty(self): + crawler = get_crawler() + calls = [] + + def track_call(): + calls.append(object()) + + crawler.signals.connect(track_call, signals.scheduler_empty) + await maybe_deferred_to_future(crawler.crawl()) + assert len(calls) >= 1 + + +class MockServerTestCase(TestCase): @classmethod def setUpClass(cls): cls.mockserver = MockServer() diff --git a/tests/test_spider.py b/tests/test_spider.py index aaf72390d..b4aa649a3 100644 --- a/tests/test_spider.py +++ b/tests/test_spider.py @@ -1,8 +1,7 @@ import gzip -import inspect import warnings from io import BytesIO -from logging import WARNING +from logging import ERROR, WARNING from pathlib import Path from typing import Any from unittest import mock @@ -27,6 +26,7 @@ from scrapy.spiders import ( XMLFeedSpider, ) from scrapy.spiders.init import InitSpider +from scrapy.utils.defer import deferred_f_from_coro_f, maybe_deferred_to_future from scrapy.utils.test import get_crawler, get_reactor_settings from tests import get_testdata, tests_datadir @@ -45,12 +45,6 @@ class TestSpider(unittest.TestCase): assert spider.name == "example.com" assert spider.start_urls == [] # pylint: disable=use-implicit-booleaness-not-comparison - def test_start_requests(self): - spider = self.spider_class("example.com") - start_requests = spider.start_requests() - assert inspect.isgenerator(start_requests) - assert not list(start_requests) - def test_spider_args(self): """``__init__`` method arguments are assigned to spider attributes""" spider = self.spider_class("example.com", foo="bar") @@ -152,6 +146,22 @@ class TestSpider(unittest.TestCase): class TestInitSpider(TestSpider): spider_class = InitSpider + @deferred_f_from_coro_f + async def test_start_urls(self): + responses = [] + + class TestSpider(self.spider_class): + name = "test" + start_urls = ["data:,"] + + async def parse(self, response): + responses.append(response) + + crawler = get_crawler(TestSpider) + await maybe_deferred_to_future(crawler.crawl()) + assert len(responses) == 1 + assert responses[0].url == "data:," + class TestXMLFeedSpider(TestSpider): spider_class = XMLFeedSpider @@ -454,12 +464,17 @@ class TestCrawlSpider(TestSpider): assert hasattr(spider, "_follow_links") assert not spider._follow_links + @inlineCallbacks def test_start_url(self): - spider = self.spider_class("example.com") - spider.start_url = "https://www.example.com" + class TestSpider(self.spider_class): + name = "test" + start_url = "https://www.example.com" - with pytest.raises(AttributeError, match=r"^Crawling could not start.*$"): - list(spider.start_requests()) + crawler = get_crawler(TestSpider) + with LogCapture("scrapy.core.engine", propagate=False, level=ERROR) as log: + yield crawler.crawl() + assert "Error while reading start items and requests" in str(log) + assert "did you miss an 's'?" in str(log) class TestSitemapSpider(TestSpider): @@ -776,6 +791,24 @@ Sitemap: /sitemap-relative-url.xml ), ) + @deferred_f_from_coro_f + async def test_sitemap_urls(self): + class TestSpider(self.spider_class): + name = "test" + sitemap_urls = ["https://toscrape.com/sitemap.xml"] + + crawler = get_crawler(TestSpider) + spider = TestSpider.from_crawler(crawler) + with warnings.catch_warnings(): + warnings.simplefilter("error") + requests = [request async for request in spider.start()] + + assert len(requests) == 1 + request = requests[0] + assert request.url == "https://toscrape.com/sitemap.xml" + assert request.dont_filter is False + assert request.callback == spider._parse_sitemap + class TestDeprecation: def test_crawl_spider(self): diff --git a/tests/test_spider_start.py b/tests/test_spider_start.py new file mode 100644 index 000000000..1815aad76 --- /dev/null +++ b/tests/test_spider_start.py @@ -0,0 +1,186 @@ +import warnings +from asyncio import sleep + +import pytest +from testfixtures import LogCapture +from twisted.trial.unittest import TestCase + +from scrapy import Spider, signals +from scrapy.exceptions import ScrapyDeprecationWarning +from scrapy.utils.defer import deferred_f_from_coro_f, maybe_deferred_to_future +from scrapy.utils.test import get_crawler + +from .utils import twisted_sleep + +SLEEP_SECONDS = 0.1 + +ITEM_A = {"id": "a"} +ITEM_B = {"id": "b"} + + +class MainTestCase(TestCase): + async def _test_spider(self, spider, expected_items=None): + actual_items = [] + expected_items = [] if expected_items is None else expected_items + + def track_item(item, response, spider): + actual_items.append(item) + + crawler = get_crawler(spider) + crawler.signals.connect(track_item, signals.item_scraped) + await maybe_deferred_to_future(crawler.crawl()) + assert crawler.stats.get_value("finish_reason") == "finished" + assert actual_items == expected_items + + @deferred_f_from_coro_f + async def test_start_urls(self): + class TestSpider(Spider): + name = "test" + start_urls = ["data:,"] + + async def parse(self, response): + yield ITEM_A + + with warnings.catch_warnings(): + warnings.simplefilter("error") + await self._test_spider(TestSpider, [ITEM_A]) + + @deferred_f_from_coro_f + async def test_start(self): + class TestSpider(Spider): + name = "test" + + async def start(self): + yield ITEM_A + + with warnings.catch_warnings(): + warnings.simplefilter("error") + await self._test_spider(TestSpider, [ITEM_A]) + + @deferred_f_from_coro_f + async def test_start_subclass(self): + class BaseSpider(Spider): + async def start(self): + yield ITEM_A + + class TestSpider(BaseSpider): + name = "test" + + with warnings.catch_warnings(): + warnings.simplefilter("error") + await self._test_spider(TestSpider, [ITEM_A]) + + @deferred_f_from_coro_f + async def test_deprecated(self): + class TestSpider(Spider): + name = "test" + + def start_requests(self): + yield ITEM_A + + with pytest.warns(ScrapyDeprecationWarning): + await self._test_spider(TestSpider, [ITEM_A]) + + @deferred_f_from_coro_f + async def test_deprecated_subclass(self): + class BaseSpider(Spider): + def start_requests(self): + yield ITEM_A + + class TestSpider(BaseSpider): + name = "test" + + # The warning must be about the base class and not the subclass. + with pytest.warns(ScrapyDeprecationWarning, match="BaseSpider"): + await self._test_spider(TestSpider, [ITEM_A]) + + @deferred_f_from_coro_f + async def test_universal(self): + class TestSpider(Spider): + name = "test" + + async def start(self): + yield ITEM_A + + def start_requests(self): + yield ITEM_B + + with warnings.catch_warnings(): + warnings.simplefilter("error") + await self._test_spider(TestSpider, [ITEM_A]) + + @deferred_f_from_coro_f + async def test_universal_subclass(self): + class BaseSpider(Spider): + async def start(self): + yield ITEM_A + + def start_requests(self): + yield ITEM_B + + class TestSpider(BaseSpider): + name = "test" + + with warnings.catch_warnings(): + warnings.simplefilter("error") + await self._test_spider(TestSpider, [ITEM_A]) + + @deferred_f_from_coro_f + async def test_start_deprecated_super(self): + class TestSpider(Spider): + name = "test" + + async def start(self): + for item_or_request in super().start_requests(): + yield item_or_request + + with pytest.warns( + ScrapyDeprecationWarning, match=r"use Spider\.start\(\) instead" + ) as messages: + await self._test_spider(TestSpider, []) + assert messages[0].filename.endswith("test_spider_start.py") + + async def _test_start(self, start_, expected_items=None): + class TestSpider(Spider): + name = "test" + start = start_ + + await self._test_spider(TestSpider, expected_items) + + @pytest.mark.only_asyncio + @deferred_f_from_coro_f + async def test_asyncio_delayed(self): + async def start(spider): + await sleep(SLEEP_SECONDS) + yield ITEM_A + + await self._test_start(start, [ITEM_A]) + + @deferred_f_from_coro_f + async def test_twisted_delayed(self): + async def start(spider): + await maybe_deferred_to_future(twisted_sleep(SLEEP_SECONDS)) + yield ITEM_A + + await self._test_start(start, [ITEM_A]) + + # Exceptions + + @deferred_f_from_coro_f + async def test_deprecated_non_generator_exception(self): + class TestSpider(Spider): + name = "test" + + def start_requests(self): + raise RuntimeError + + with ( + LogCapture() as log, + pytest.warns( + ScrapyDeprecationWarning, + match=r"defines the deprecated start_requests\(\) method", + ), + ): + await self._test_spider(TestSpider, []) + + assert "in start_requests\n raise RuntimeError" in str(log) diff --git a/tests/test_spidermiddleware.py b/tests/test_spidermiddleware.py index 1d671134e..db46be7dd 100644 --- a/tests/test_spidermiddleware.py +++ b/tests/test_spidermiddleware.py @@ -1,6 +1,7 @@ from __future__ import annotations from collections.abc import AsyncIterator, Iterable +from inspect import isasyncgen from typing import Any from unittest import mock @@ -111,7 +112,7 @@ class TestProcessSpiderExceptionReRaise(TestSpiderMiddleware): class TestBaseAsyncSpiderMiddleware(TestSpiderMiddleware): """Helpers for testing sync, async and mixed middlewares. - Should work for process_spider_output and, when it's supported, process_start_requests. + Should work for process_spider_output and, when it's supported, process_start. """ ITEM_TYPE: type | tuple @@ -200,7 +201,7 @@ class ProcessSpiderExceptionSimpleIterableMiddleware: yield {"foo": 3} -class ProcessSpiderExceptionAsyncIterableMiddleware: +class ProcessSpiderExceptionAsyncIteratorMiddleware: async def process_spider_exception(self, response, exception, spider): yield {"foo": 1} d = defer.Deferred() @@ -319,37 +320,43 @@ class TestProcessSpiderOutputInvalidResult(TestBaseAsyncSpiderMiddleware): ) -class ProcessStartRequestsSimpleMiddleware: - def process_start_requests(self, start_requests, spider): - yield from start_requests +class ProcessStartSimpleMiddleware: + async def process_start(self, start): + async for item_or_request in start: + yield item_or_request -class TestProcessStartRequestsSimple(TestBaseAsyncSpiderMiddleware): - """process_start_requests tests for simple start_requests""" +class TestProcessStartSimple(TestBaseAsyncSpiderMiddleware): + """process_start tests for simple start""" ITEM_TYPE = (Request, dict) - MW_SIMPLE = ProcessStartRequestsSimpleMiddleware + MW_SIMPLE = ProcessStartSimpleMiddleware - def _start_requests(self): - for i in range(2): - yield Request(f"https://example.com/{i}", dont_filter=True) - yield {"name": "test item"} + async def _get_processed_start(self, *mw_classes): + class TestSpider(Spider): + name = "test" - @defer.inlineCallbacks - def _get_middleware_result(self, *mw_classes, start_index: int | None = None): - setting = self._construct_mw_setting(*mw_classes, start_index=start_index) + async def start(self): + for i in range(2): + yield Request(f"https://example.com/{i}", dont_filter=True) + yield {"name": "test item"} + + setting = self._construct_mw_setting(*mw_classes) self.crawler = get_crawler( - Spider, {"SPIDER_MIDDLEWARES_BASE": {}, "SPIDER_MIDDLEWARES": setting} + TestSpider, {"SPIDER_MIDDLEWARES_BASE": {}, "SPIDER_MIDDLEWARES": setting} ) - self.spider = self.crawler._create_spider("foo") + self.spider = self.crawler._create_spider() self.mwman = SpiderMiddlewareManager.from_crawler(self.crawler) - start_requests = iter(self._start_requests()) - results = yield self.mwman.process_start_requests(start_requests, self.spider) - return results + return await self.mwman.process_start(self.spider) - def test_simple(self): + @deferred_f_from_coro_f + async def test_simple(self): """Simple mw""" - return self._test_simple_base(self.MW_SIMPLE) + start = await self._get_processed_start(self.MW_SIMPLE) + assert isasyncgen(start) + start_list = await collect_asyncgen(start) + assert len(start_list) == self.RESULT_COUNT + assert isinstance(start_list[0], self.ITEM_TYPE) class UniversalMiddlewareNoSync: @@ -507,7 +514,7 @@ class TestProcessSpiderException(TestBaseAsyncSpiderMiddleware): MW_ASYNCGEN = ProcessSpiderOutputAsyncGenMiddleware MW_UNIVERSAL = ProcessSpiderOutputUniversalMiddleware MW_EXC_SIMPLE = ProcessSpiderExceptionSimpleIterableMiddleware - MW_EXC_ASYNCGEN = ProcessSpiderExceptionAsyncIterableMiddleware + MW_EXC_ASYNCGEN = ProcessSpiderExceptionAsyncIteratorMiddleware def _scrape_func(self, *args, **kwargs): 1 / 0 diff --git a/tests/test_spidermiddleware_base.py b/tests/test_spidermiddleware_base.py index 46be879f3..77d055d50 100644 --- a/tests/test_spidermiddleware_base.py +++ b/tests/test_spidermiddleware_base.py @@ -27,16 +27,19 @@ def test_trivial(crawler): assert mw.crawler is crawler test_req = Request("data:,") spider_output = [test_req, {"foo": "bar"}] - processed = list( - mw.process_spider_output(Response("data:,"), spider_output, crawler.spider) - ) - assert processed == [test_req, {"foo": "bar"}] + for processed in [ + list( + mw.process_spider_output(Response("data:,"), spider_output, crawler.spider) + ), + list(mw.process_start_requests(spider_output, crawler.spider)), + ]: + assert processed == [test_req, {"foo": "bar"}] def test_processed_request(crawler): class ProcessReqSpiderMiddleware(BaseSpiderMiddleware): def get_processed_request( - self, request: Request, response: Response + self, request: Request, response: Response | None ) -> Request | None: if request.url == "data:2,": return None @@ -49,20 +52,23 @@ def test_processed_request(crawler): test_req2 = Request("data:2,") test_req3 = Request("data:3,") spider_output = [test_req1, {"foo": "bar"}, test_req2, test_req3] - processed = list( - mw.process_spider_output(Response("data:,"), spider_output, crawler.spider) - ) - assert len(processed) == 3 - assert isinstance(processed[0], Request) - assert processed[0].url == "data:1," - assert processed[1] == {"foo": "bar"} - assert isinstance(processed[2], Request) - assert processed[2].url == "data:30," + for processed in [ + list( + mw.process_spider_output(Response("data:,"), spider_output, crawler.spider) + ), + list(mw.process_start_requests(spider_output, crawler.spider)), + ]: + assert len(processed) == 3 + assert isinstance(processed[0], Request) + assert processed[0].url == "data:1," + assert processed[1] == {"foo": "bar"} + assert isinstance(processed[2], Request) + assert processed[2].url == "data:30," def test_processed_item(crawler): class ProcessItemSpiderMiddleware(BaseSpiderMiddleware): - def get_processed_item(self, item: Any, response: Response) -> Any: + def get_processed_item(self, item: Any, response: Response | None) -> Any: if item["foo"] == 2: return None if item["foo"] == 3: @@ -72,16 +78,19 @@ def test_processed_item(crawler): mw = ProcessItemSpiderMiddleware.from_crawler(crawler) test_req = Request("data:,") spider_output = [{"foo": 1}, {"foo": 2}, test_req, {"foo": 3}] - processed = list( - mw.process_spider_output(Response("data:,"), spider_output, crawler.spider) - ) - assert processed == [{"foo": 1}, test_req, {"foo": 30}] + for processed in [ + list( + mw.process_spider_output(Response("data:,"), spider_output, crawler.spider) + ), + list(mw.process_start_requests(spider_output, crawler.spider)), + ]: + assert processed == [{"foo": 1}, test_req, {"foo": 30}] def test_processed_both(crawler): class ProcessBothSpiderMiddleware(BaseSpiderMiddleware): def get_processed_request( - self, request: Request, response: Response + self, request: Request, response: Response | None ) -> Request | None: if request.url == "data:2,": return None @@ -89,7 +98,7 @@ def test_processed_both(crawler): return Request("data:30,") return request - def get_processed_item(self, item: Any, response: Response) -> Any: + def get_processed_item(self, item: Any, response: Response | None) -> Any: if item["foo"] == 2: return None if item["foo"] == 3: @@ -108,13 +117,16 @@ def test_processed_both(crawler): {"foo": 3}, test_req3, ] - processed = list( - mw.process_spider_output(Response("data:,"), spider_output, crawler.spider) - ) - assert len(processed) == 4 - assert isinstance(processed[0], Request) - assert processed[0].url == "data:1," - assert processed[1] == {"foo": 1} - assert processed[2] == {"foo": 30} - assert isinstance(processed[3], Request) - assert processed[3].url == "data:30," + for processed in [ + list( + mw.process_spider_output(Response("data:,"), spider_output, crawler.spider) + ), + list(mw.process_start_requests(spider_output, crawler.spider)), + ]: + assert len(processed) == 4 + assert isinstance(processed[0], Request) + assert processed[0].url == "data:1," + assert processed[1] == {"foo": 1} + assert processed[2] == {"foo": 30} + assert isinstance(processed[3], Request) + assert processed[3].url == "data:30," diff --git a/tests/test_spidermiddleware_httperror.py b/tests/test_spidermiddleware_httperror.py index e306579fa..fd2fc3581 100644 --- a/tests/test_spidermiddleware_httperror.py +++ b/tests/test_spidermiddleware_httperror.py @@ -30,7 +30,7 @@ class _HttpErrorSpider(MockServerSpider): self.skipped = set() self.parsed = set() - def start_requests(self): + async def start(self): for url in self.start_urls: yield Request(url, self.parse, errback=self.on_error) diff --git a/tests/test_spidermiddleware_output_chain.py b/tests/test_spidermiddleware_output_chain.py index 6e26a85ea..20efac543 100644 --- a/tests/test_spidermiddleware_output_chain.py +++ b/tests/test_spidermiddleware_output_chain.py @@ -36,7 +36,7 @@ class RecoverySpider(Spider): }, } - def start_requests(self): + async def start(self): yield Request(self.mockserver.url("/status?n=200")) def parse(self, response): @@ -73,7 +73,7 @@ class ProcessSpiderInputSpiderWithoutErrback(Spider): } } - def start_requests(self): + async def start(self): yield Request(url=self.mockserver.url("/status?n=200"), callback=self.parse) def parse(self, response): @@ -83,7 +83,7 @@ class ProcessSpiderInputSpiderWithoutErrback(Spider): class ProcessSpiderInputSpiderWithErrback(ProcessSpiderInputSpiderWithoutErrback): name = "ProcessSpiderInputSpiderWithErrback" - def start_requests(self): + async def start(self): yield Request( self.mockserver.url("/status?n=200"), self.parse, errback=self.errback ) @@ -103,7 +103,7 @@ class GeneratorCallbackSpider(Spider): }, } - def start_requests(self): + async def start(self): yield Request(self.mockserver.url("/status?n=200")) def parse(self, response): @@ -140,7 +140,7 @@ class NotGeneratorCallbackSpider(Spider): }, } - def start_requests(self): + async def start(self): yield Request(self.mockserver.url("/status?n=200")) def parse(self, response): @@ -215,7 +215,7 @@ class GeneratorOutputChainSpider(Spider): }, } - def start_requests(self): + async def start(self): yield Request(self.mockserver.url("/status?n=200")) def parse(self, response): @@ -287,8 +287,8 @@ class NotGeneratorOutputChainSpider(Spider): }, } - def start_requests(self): - return [Request(self.mockserver.url("/status?n=200"))] + async def start(self): + yield Request(self.mockserver.url("/status?n=200")) def parse(self, response): return [ diff --git a/tests/test_spidermiddleware_process_start.py b/tests/test_spidermiddleware_process_start.py new file mode 100644 index 000000000..725833a49 --- /dev/null +++ b/tests/test_spidermiddleware_process_start.py @@ -0,0 +1,352 @@ +import warnings +from asyncio import sleep + +import pytest +from twisted.trial.unittest import TestCase + +from scrapy import Spider, signals +from scrapy.exceptions import ScrapyDeprecationWarning +from scrapy.utils.defer import deferred_f_from_coro_f, maybe_deferred_to_future +from scrapy.utils.test import get_crawler +from tests.test_spider_start import SLEEP_SECONDS + +from .utils import twisted_sleep + +ITEM_A = {"id": "a"} +ITEM_B = {"id": "b"} +ITEM_C = {"id": "c"} +ITEM_D = {"id": "d"} + + +class AsyncioSleepSpiderMiddleware: + async def process_start(self, start): + await sleep(SLEEP_SECONDS) + async for item_or_request in start: + yield item_or_request + + +class NoOpSpiderMiddleware: + async def process_start(self, start): + async for item_or_request in start: + yield item_or_request + + +class TwistedSleepSpiderMiddleware: + async def process_start(self, start): + await maybe_deferred_to_future(twisted_sleep(SLEEP_SECONDS)) + async for item_or_request in start: + yield item_or_request + + +class UniversalSpiderMiddleware: + async def process_start(self, start): + async for item_or_request in start: + yield item_or_request + + def process_start_requests(self, start_requests, spider): + raise NotImplementedError + + +# Spiders and spider middlewares for MainTestCase._test_wrap + + +class ModernWrapSpider(Spider): + name = "test" + + async def start(self): + yield ITEM_B + + +class ModernWrapSpiderSubclass(ModernWrapSpider): + name = "test" + + +class UniversalWrapSpider(Spider): + name = "test" + + async def start(self): + yield ITEM_B + + def start_requests(self): + yield ITEM_D + + +class DeprecatedWrapSpider(Spider): + name = "test" + + def start_requests(self): + yield ITEM_B + + +class ModernWrapSpiderMiddleware: + async def process_start(self, start): + yield ITEM_A + async for item_or_request in start: + yield item_or_request + yield ITEM_C + + +class UniversalWrapSpiderMiddleware: + async def process_start(self, start): + yield ITEM_A + async for item_or_request in start: + yield item_or_request + yield ITEM_C + + def process_start_requests(self, start, spider): + yield ITEM_A + yield from start + yield ITEM_C + + +class DeprecatedWrapSpiderMiddleware: + def process_start_requests(self, start, spider): + yield ITEM_A + yield from start + yield ITEM_C + + +class MainTestCase(TestCase): + async def _test(self, spider_middlewares, spider_cls, expected_items): + actual_items = [] + + def track_item(item, response, spider): + actual_items.append(item) + + settings = { + "SPIDER_MIDDLEWARES": {cls: n for n, cls in enumerate(spider_middlewares)}, + } + crawler = get_crawler(spider_cls, settings_dict=settings) + crawler.signals.connect(track_item, signals.item_scraped) + await maybe_deferred_to_future(crawler.crawl()) + assert crawler.stats.get_value("finish_reason") == "finished" + assert actual_items == expected_items, f"{actual_items=} != {expected_items=}" + + async def _test_wrap(self, spider_middleware, spider_cls, expected_items=None): + expected_items = expected_items or [ITEM_A, ITEM_B, ITEM_C] + await self._test([spider_middleware], spider_cls, expected_items) + + async def _test_douple_wrap(self, smw1, smw2, spider_cls, expected_items=None): + expected_items = expected_items or [ITEM_A, ITEM_A, ITEM_B, ITEM_C, ITEM_C] + await self._test([smw1, smw2], spider_cls, expected_items) + + @deferred_f_from_coro_f + async def test_modern_mw_modern_spider(self): + with warnings.catch_warnings(): + warnings.simplefilter("error") + await self._test_wrap(ModernWrapSpiderMiddleware, ModernWrapSpider) + + @deferred_f_from_coro_f + async def test_modern_mw_universal_spider(self): + with warnings.catch_warnings(): + warnings.simplefilter("error") + await self._test_wrap(ModernWrapSpiderMiddleware, UniversalWrapSpider) + + @deferred_f_from_coro_f + async def test_modern_mw_deprecated_spider(self): + with pytest.warns( + ScrapyDeprecationWarning, match=r"deprecated start_requests\(\)" + ): + await self._test_wrap(ModernWrapSpiderMiddleware, DeprecatedWrapSpider) + + @deferred_f_from_coro_f + async def test_universal_mw_modern_spider(self): + with warnings.catch_warnings(): + warnings.simplefilter("error") + await self._test_wrap(UniversalWrapSpiderMiddleware, ModernWrapSpider) + + @deferred_f_from_coro_f + async def test_universal_mw_universal_spider(self): + with warnings.catch_warnings(): + warnings.simplefilter("error") + await self._test_wrap(UniversalWrapSpiderMiddleware, UniversalWrapSpider) + + @deferred_f_from_coro_f + async def test_universal_mw_deprecated_spider(self): + with pytest.warns( + ScrapyDeprecationWarning, match=r"deprecated start_requests\(\)" + ): + await self._test_wrap(UniversalWrapSpiderMiddleware, DeprecatedWrapSpider) + + @deferred_f_from_coro_f + async def test_deprecated_mw_modern_spider(self): + with ( + pytest.warns( + ScrapyDeprecationWarning, match=r"deprecated process_start_requests\(\)" + ), + pytest.raises( + ValueError, match=r"only compatible with \(deprecated\) spiders" + ), + ): + await self._test_wrap(DeprecatedWrapSpiderMiddleware, ModernWrapSpider) + + @deferred_f_from_coro_f + async def test_deprecated_mw_modern_spider_subclass(self): + with ( + pytest.warns( + ScrapyDeprecationWarning, match=r"deprecated process_start_requests\(\)" + ), + pytest.raises( + ValueError, + match=r"^\S+?\.ModernWrapSpider \(inherited by \S+?.ModernWrapSpiderSubclass\) .*? only compatible with \(deprecated\) spiders", + ), + ): + await self._test_wrap( + DeprecatedWrapSpiderMiddleware, ModernWrapSpiderSubclass + ) + + @deferred_f_from_coro_f + async def test_deprecated_mw_universal_spider(self): + with pytest.warns( + ScrapyDeprecationWarning, match=r"deprecated process_start_requests\(\)" + ): + await self._test_wrap( + DeprecatedWrapSpiderMiddleware, + UniversalWrapSpider, + [ITEM_A, ITEM_D, ITEM_C], + ) + + @deferred_f_from_coro_f + async def test_deprecated_mw_deprecated_spider(self): + with ( + pytest.warns( + ScrapyDeprecationWarning, match=r"deprecated process_start_requests\(\)" + ), + pytest.warns( + ScrapyDeprecationWarning, match=r"deprecated start_requests\(\)" + ), + ): + await self._test_wrap(DeprecatedWrapSpiderMiddleware, DeprecatedWrapSpider) + + @deferred_f_from_coro_f + async def test_modern_mw_universal_mw_modern_spider(self): + with warnings.catch_warnings(): + warnings.simplefilter("error") + await self._test_douple_wrap( + ModernWrapSpiderMiddleware, + UniversalWrapSpiderMiddleware, + ModernWrapSpider, + ) + + @deferred_f_from_coro_f + async def test_modern_mw_deprecated_mw_modern_spider(self): + with pytest.raises(ValueError, match=r"trying to combine spider middlewares"): + await self._test_douple_wrap( + ModernWrapSpiderMiddleware, + DeprecatedWrapSpiderMiddleware, + ModernWrapSpider, + ) + + @deferred_f_from_coro_f + async def test_universal_mw_deprecated_mw_modern_spider(self): + with ( + pytest.warns( + ScrapyDeprecationWarning, match=r"deprecated process_start_requests\(\)" + ), + pytest.raises( + ValueError, match=r"only compatible with \(deprecated\) spiders" + ), + ): + await self._test_douple_wrap( + UniversalWrapSpiderMiddleware, + DeprecatedWrapSpiderMiddleware, + ModernWrapSpider, + ) + + @deferred_f_from_coro_f + async def test_modern_mw_universal_mw_universal_spider(self): + with warnings.catch_warnings(): + warnings.simplefilter("error") + await self._test_douple_wrap( + ModernWrapSpiderMiddleware, + UniversalWrapSpiderMiddleware, + UniversalWrapSpider, + ) + + @deferred_f_from_coro_f + async def test_modern_mw_deprecated_mw_universal_spider(self): + with pytest.raises(ValueError, match=r"trying to combine spider middlewares"): + await self._test_douple_wrap( + ModernWrapSpiderMiddleware, + DeprecatedWrapSpiderMiddleware, + UniversalWrapSpider, + ) + + @deferred_f_from_coro_f + async def test_universal_mw_deprecated_mw_universal_spider(self): + with pytest.warns( + ScrapyDeprecationWarning, match=r"deprecated process_start_requests\(\)" + ): + await self._test_douple_wrap( + UniversalWrapSpiderMiddleware, + DeprecatedWrapSpiderMiddleware, + UniversalWrapSpider, + [ITEM_A, ITEM_A, ITEM_D, ITEM_C, ITEM_C], + ) + + @deferred_f_from_coro_f + async def test_modern_mw_universal_mw_deprecated_spider(self): + with pytest.warns( + ScrapyDeprecationWarning, match=r"deprecated start_requests\(\)" + ): + await self._test_douple_wrap( + ModernWrapSpiderMiddleware, + UniversalWrapSpiderMiddleware, + DeprecatedWrapSpider, + ) + + @deferred_f_from_coro_f + async def test_modern_mw_deprecated_mw_deprecated_spider(self): + with pytest.raises(ValueError, match=r"trying to combine spider middlewares"): + await self._test_douple_wrap( + ModernWrapSpiderMiddleware, + DeprecatedWrapSpiderMiddleware, + DeprecatedWrapSpider, + ) + + @deferred_f_from_coro_f + async def test_universal_mw_deprecated_mw_deprecated_spider(self): + with ( + pytest.warns( + ScrapyDeprecationWarning, match=r"deprecated process_start_requests\(\)" + ), + pytest.warns( + ScrapyDeprecationWarning, match=r"deprecated start_requests\(\)" + ), + ): + await self._test_douple_wrap( + UniversalWrapSpiderMiddleware, + DeprecatedWrapSpiderMiddleware, + DeprecatedWrapSpider, + ) + + async def _test_sleep(self, spider_middlewares): + class TestSpider(Spider): + name = "test" + + async def start(self): + yield ITEM_A + + await self._test(spider_middlewares, TestSpider, [ITEM_A]) + + @pytest.mark.only_asyncio + @deferred_f_from_coro_f + async def test_asyncio_sleep_single(self): + await self._test_sleep([AsyncioSleepSpiderMiddleware]) + + @pytest.mark.only_asyncio + @deferred_f_from_coro_f + async def test_asyncio_sleep_multiple(self): + await self._test_sleep( + [NoOpSpiderMiddleware, AsyncioSleepSpiderMiddleware, NoOpSpiderMiddleware] + ) + + @deferred_f_from_coro_f + async def test_twisted_sleep_single(self): + await self._test_sleep([TwistedSleepSpiderMiddleware]) + + @deferred_f_from_coro_f + async def test_twisted_sleep_multiple(self): + await self._test_sleep( + [NoOpSpiderMiddleware, TwistedSleepSpiderMiddleware, NoOpSpiderMiddleware] + ) diff --git a/tests/test_spidermiddleware_start.py b/tests/test_spidermiddleware_start.py new file mode 100644 index 000000000..295b10ea8 --- /dev/null +++ b/tests/test_spidermiddleware_start.py @@ -0,0 +1,44 @@ +from twisted.trial.unittest import TestCase + +from scrapy.http import Request +from scrapy.spidermiddlewares.start import StartSpiderMiddleware +from scrapy.spiders import Spider +from scrapy.utils.defer import deferred_f_from_coro_f +from scrapy.utils.misc import build_from_crawler +from scrapy.utils.test import get_crawler + + +class TestMiddleware(TestCase): + @deferred_f_from_coro_f + async def test_async(self): + crawler = get_crawler(Spider) + mw = build_from_crawler(StartSpiderMiddleware, crawler) + + async def start(): + yield Request("data:,1") + yield Request("data:,2", meta={"is_start_request": True}) + yield Request("data:,2", meta={"is_start_request": False}) + yield Request("data:,2", meta={"is_start_request": "foo"}) + + result = [ + request.meta["is_start_request"] + async for request in mw.process_start(start()) + ] + assert result == [True, True, False, "foo"] + + @deferred_f_from_coro_f + async def test_sync(self): + crawler = get_crawler(Spider) + mw = build_from_crawler(StartSpiderMiddleware, crawler) + + def start(): + yield Request("data:,1") + yield Request("data:,2", meta={"is_start_request": True}) + yield Request("data:,2", meta={"is_start_request": False}) + yield Request("data:,2", meta={"is_start_request": "foo"}) + + result = [ + request.meta["is_start_request"] + for request in mw.process_start_requests(start(), Spider("test")) + ] + assert result == [True, True, False, "foo"] diff --git a/tests/utils/__init__.py b/tests/utils/__init__.py index e69de29bb..e5e56f414 100644 --- a/tests/utils/__init__.py +++ b/tests/utils/__init__.py @@ -0,0 +1,9 @@ +from twisted.internet.defer import Deferred + + +def twisted_sleep(seconds): + from twisted.internet import reactor + + d = Deferred() + reactor.callLater(seconds, d.callback, None) + return d diff --git a/tox.ini b/tox.ini index e63e44189..92cfc3794 100644 --- a/tox.ini +++ b/tox.ini @@ -44,7 +44,7 @@ install_command = python -I -m pip install -ctests/upper-constraints.txt {opts} {packages} [testenv:typing] -basepython = python3 +basepython = python3.9 deps = mypy==1.14.0 typing-extensions==4.12.2 From 5f6d1b464b81e9673a9639fb8f742d53831c98dc Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Mon, 5 May 2025 18:08:54 +0500 Subject: [PATCH 454/786] Cover up to 373e501 in the release notes. --- docs/news.rst | 46 ++++++++++++++++++++++++++++++++++------ docs/topics/settings.rst | 3 ++- 2 files changed, 42 insertions(+), 7 deletions(-) diff --git a/docs/news.rst b/docs/news.rst index 7bb25e6b6..d9bc572be 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -26,6 +26,9 @@ Modified requirements - Dropped support for PyPy 3.9. (:issue:`6613`) +- Added support for PyPy 3.11. + (:issue:`6697`) + Backward-incompatible changes ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -38,6 +41,10 @@ Backward-incompatible changes <disable-asyncio>` to use a different reactor. (:issue:`6659`, :issue:`6713`) +- The URL length limit, set by the :setting:`URLLENGTH_LIMIT` setting, is now + also enforced for start requests. + (:issue:`6777`) + - The ``from_settings()`` method of :class:`~scrapy.spidermiddlewares.urllength.UrlLengthMiddleware`, deprecated in Scrapy 2.12.0, is removed earlier than the usual deprecation @@ -174,6 +181,19 @@ Deprecations called. (:issue:`4151`) +- Passing the ``spider`` argument to the following methods of + :class:`~scrapy.core.scraper.Scraper` is deprecated: + + - ``close_spider()`` + + - ``enqueue_scrape()`` + + - ``handle_spider_error()`` + + - ``handle_spider_output()`` + + (:issue:`6764`) + New features ~~~~~~~~~~~~ @@ -189,7 +209,7 @@ New features helpful for writing :ref:`universal spider middlewares <universal-spider-middleware>` without boilerplate and code duplication. The built-in spider middlewares now inherit from this class. - (:issue:`6693`) + (:issue:`6693`, :issue:`6777`) - :ref:`Scrapy add-ons <topics-addons>` can now define a class method called ``update_pre_crawler_settings()`` to update :ref:`pre-crawler settings @@ -278,14 +298,17 @@ Bug fixes Documentation ~~~~~~~~~~~~~ +- Documented the setting values set in the default project template. + (:issue:`6762`, :issue:`6775`) + - Improved the :ref:`docs <sync-async-spider-middleware>` about asynchronous iterable support in spider middlewares. (:issue:`6688`) - Improved the :ref:`docs <coroutine-deferred-apis>` about using :class:`~twisted.internet.defer.Deferred`-based APIs in coroutine-based - code. - (:issue:`6734`) + code and included a list of such APIs. + (:issue:`6677`, :issue:`6734`, :issue:`6776`) - Improved the :ref:`contribution docs <topics-contributing>`. (:issue:`6561`, :issue:`6575`) @@ -307,7 +330,8 @@ Documentation :issue:`6623`, :issue:`6624`, :issue:`6721`, - :issue:`6723`) + :issue:`6723`, + :issue:`6780`) Packaging ~~~~~~~~~ @@ -315,6 +339,11 @@ Packaging - Switched from ``setup.py`` to ``pyproject.toml``. (:issue:`6514`, :issue:`6547`) +- Switched the build backend from setuptools_ to hatchling_. + (:issue:`6771`) + + .. _hatchling: https://pypi.org/project/hatchling/ + Quality assurance ~~~~~~~~~~~~~~~~~ @@ -384,12 +413,17 @@ Quality assurance :issue:`6722`, :issue:`6724`, :issue:`6741`, - :issue:`6743`) + :issue:`6743`, + :issue:`6766`, + :issue:`6770`, + :issue:`6772`, + :issue:`6773`) - Code cleanups. (:issue:`6600`, :issue:`6606`, - :issue:`6635`) + :issue:`6635`, + :issue:`6764`) .. _release-2.12.0: diff --git a/docs/topics/settings.rst b/docs/topics/settings.rst index 73ac36646..fec82f8e3 100644 --- a/docs/topics/settings.rst +++ b/docs/topics/settings.rst @@ -701,7 +701,8 @@ connections (for ``HTTP10DownloadHandler``). .. note:: - HTTP/1.0 is rarely used nowadays so you can safely ignore this setting, + HTTP/1.0 is rarely used nowadays and its Scrapy support is deprecated, + so you can safely ignore this setting, unless you really want to use HTTP/1.0 and override :setting:`DOWNLOAD_HANDLERS` for ``http(s)`` scheme accordingly, i.e. to ``'scrapy.core.downloader.handlers.http.HTTP10DownloadHandler'``. From 0ce693dfa91a4ebf8418fd04c5595a570939e480 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 8 May 2025 13:23:19 +0500 Subject: [PATCH 455/786] Update VERSION strings. --- docs/topics/coroutines.rst | 4 ++-- docs/topics/spider-middleware.rst | 2 +- scrapy/core/spidermw.py | 20 ++++++++++---------- scrapy/spiders/__init__.py | 4 ++-- 4 files changed, 15 insertions(+), 15 deletions(-) diff --git a/docs/topics/coroutines.rst b/docs/topics/coroutines.rst index 62cbc3d49..00812ed7f 100644 --- a/docs/topics/coroutines.rst +++ b/docs/topics/coroutines.rst @@ -21,7 +21,7 @@ hence use coroutine syntax (e.g. ``await``, ``async for``, ``async with``): - The :meth:`~scrapy.spiders.Spider.start` spider method, which *must* be defined as an :term:`asynchronous generator`. - .. versionadded: VERSION + .. versionadded: 2.13 - :class:`~scrapy.Request` callbacks. @@ -59,7 +59,7 @@ hence use coroutine syntax (e.g. ``await``, ``async for``, ``async with``): of :ref:`spider middlewares <custom-spider-middleware>`, which *must* be defined as an :term:`asynchronous generator`. - .. versionadded:: VERSION + .. versionadded:: 2.13 - :ref:`Signal handlers that support deferreds <signal-deferred>`. diff --git a/docs/topics/spider-middleware.rst b/docs/topics/spider-middleware.rst index 638035e64..67178b8fd 100644 --- a/docs/topics/spider-middleware.rst +++ b/docs/topics/spider-middleware.rst @@ -86,7 +86,7 @@ one or more of these methods: You may yield the same type of objects as :meth:`~scrapy.Spider.start`. To write spider middlewares that work on Scrapy versions lower than - VERSION, define also a synchronous ``process_start_requests()`` method + 2.13, define also a synchronous ``process_start_requests()`` method that returns an iterable. For example: .. code-block:: python diff --git a/scrapy/core/spidermw.py b/scrapy/core/spidermw.py index 4a0cd9464..310abb9b7 100644 --- a/scrapy/core/spidermw.py +++ b/scrapy/core/spidermw.py @@ -85,8 +85,8 @@ class SpiderMiddlewareManager(MiddlewareManager): "either disable or make universal 1 of those 2 sets of " "spider middlewares. Making a spider middleware universal " "means having it define both methods. See the release notes " - "of Scrapy VERSION for details: " - "https://docs.scrapy.org/en/VERSION/news.html" + "of Scrapy 2.13 for details: " + "https://docs.scrapy.org/en/2.13/news.html" ) self._use_start_requests = bool(deprecated_middlewares) @@ -103,15 +103,15 @@ class SpiderMiddlewareManager(MiddlewareManager): f"been deprecated in favor of a new method, process_start(), " f"to support asynchronous code execution. " f"process_start_requests() will stop being called in a future " - f"version of Scrapy. If you use Scrapy VERSION or higher " + f"version of Scrapy. If you use Scrapy 2.13 or higher " f"only, replace process_start_requests() with " f"process_start(); note that process_start() is a coroutine " f"(async def). If you need to maintain compatibility with " f"lower Scrapy versions, when defining " f"process_start_requests() in a spider middleware class, " f"define process_start() as well. See the release notes of " - f"Scrapy VERSION for details: " - f"https://docs.scrapy.org/en/VERSION/news.html", + f"Scrapy 2.13 for details: " + f"https://docs.scrapy.org/en/2.13/news.html", ScrapyDeprecationWarning, ) @@ -435,15 +435,15 @@ class SpiderMiddlewareManager(MiddlewareManager): f"start_requests() has been deprecated in favor of a new " f"method, start(), to support asynchronous code " f"execution. start_requests() will stop being called in a " - f"future version of Scrapy. If you use Scrapy VERSION or " + f"future version of Scrapy. If you use Scrapy 2.13 or " f"higher only, replace start_requests() with start(); " f"note that start() is a coroutine (async def). If you " f"need to maintain compatibility with lower Scrapy versions, " f"when overriding start_requests() in a spider class, " f"override start() as well; you can use super() to " f"reuse the inherited start() implementation without " - f"copy-pasting. See the release notes of Scrapy VERSION for " - f"details: https://docs.scrapy.org/en/VERSION/news.html", + f"copy-pasting. See the release notes of Scrapy 2.13 for " + f"details: https://docs.scrapy.org/en/2.13/news.html", ScrapyDeprecationWarning, ) @@ -469,8 +469,8 @@ class SpiderMiddlewareManager(MiddlewareManager): f"deprecated spider middlewares (and earlier Scrapy versions) " f"by defining a sync start_requests() method that works " f"similarly to its existing start() method. See the " - f"release notes of Scrapy VERSION for details: " - f"https://docs.scrapy.org/en/VERSION/news.html" + f"release notes of Scrapy 2.13 for details: " + f"https://docs.scrapy.org/en/2.13/news.html" ) # This method is only needed until _async compatibility methods are removed. diff --git a/scrapy/spiders/__init__.py b/scrapy/spiders/__init__.py index 0a1d85ae6..a722dd83b 100644 --- a/scrapy/spiders/__init__.py +++ b/scrapy/spiders/__init__.py @@ -83,7 +83,7 @@ class Spider(object_ref): async def start(self) -> AsyncIterator[Any]: """Yield the initial :class:`~scrapy.Request` objects to send. - .. versionadded:: VERSION + .. versionadded:: 2.13 For example: @@ -115,7 +115,7 @@ class Spider(object_ref): async def start(self): yield {"foo": "bar"} - To write spiders that work on Scrapy versions lower than VERSION, + To write spiders that work on Scrapy versions lower than 2.13, define also a synchronous ``start_requests()`` method that returns an iterable. For example: From 82a32451583967a828c2e80a31930f64dbc136ac Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 8 May 2025 14:43:34 +0500 Subject: [PATCH 456/786] =?UTF-8?q?Bump=20version:=202.12.0=20=E2=86=92=20?= =?UTF-8?q?2.13.0?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- SECURITY.md | 4 ++-- docs/news.rst | 2 +- pyproject.toml | 2 +- scrapy/VERSION | 2 +- 4 files changed, 5 insertions(+), 5 deletions(-) diff --git a/SECURITY.md b/SECURITY.md index bc64dec7b..a5a5c7fb3 100644 --- a/SECURITY.md +++ b/SECURITY.md @@ -4,8 +4,8 @@ | Version | Supported | | ------- | ------------------ | -| 2.12.x | :white_check_mark: | -| < 2.12.x | :x: | +| 2.13.x | :white_check_mark: | +| < 2.13.x | :x: | ## Reporting a Vulnerability diff --git a/docs/news.rst b/docs/news.rst index d574317bb..cf1c35893 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -5,7 +5,7 @@ Release notes .. _release-2.13.0: -Scrapy 2.13.0 (unreleased) +Scrapy 2.13.0 (2025-05-08) -------------------------- Highlights: diff --git a/pyproject.toml b/pyproject.toml index 187587eb1..85fba0f92 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -116,7 +116,7 @@ module = "twisted" implicit_reexport = true [tool.bumpversion] -current_version = "2.12.0" +current_version = "2.13.0" commit = true tag = true tag_name = "{new_version}" diff --git a/scrapy/VERSION b/scrapy/VERSION index d8b698973..fb2c0766b 100644 --- a/scrapy/VERSION +++ b/scrapy/VERSION @@ -1 +1 @@ -2.12.0 +2.13.0 From 128cb551eb493601d4a4cd6d7a087e09a07d7092 Mon Sep 17 00:00:00 2001 From: Felipe Benevolo <77981110+fbenevolo@users.noreply.github.com> Date: Mon, 12 May 2025 08:04:34 -0300 Subject: [PATCH 457/786] refactor tests/test_downloadermiddleware_httpcache.py (#6769) --- tests/test_downloadermiddleware_httpcache.py | 114 ++++++++++++------- 1 file changed, 72 insertions(+), 42 deletions(-) diff --git a/tests/test_downloadermiddleware_httpcache.py b/tests/test_downloadermiddleware_httpcache.py index 5fac88ed7..02f4f488e 100644 --- a/tests/test_downloadermiddleware_httpcache.py +++ b/tests/test_downloadermiddleware_httpcache.py @@ -15,8 +15,7 @@ from scrapy.utils.test import get_crawler class TestBase: - storage_class = "scrapy.extensions.httpcache.FilesystemCacheStorage" - policy_class = "scrapy.extensions.httpcache.RFC2616Policy" + """Base class with common setup and helper methods.""" def setup_method(self): self.yesterday = email.utils.formatdate(time.time() - 86400) @@ -90,23 +89,10 @@ class TestBase: ) assert request1.body == request2.body - def test_dont_cache(self): - with self._middleware() as mw: - self.request.meta["dont_cache"] = True - mw.process_response(self.request, self.response, self.spider) - assert mw.storage.retrieve_response(self.spider, self.request) is None - with self._middleware() as mw: - self.request.meta["dont_cache"] = False - mw.process_response(self.request, self.response, self.spider) - if mw.policy.should_cache_response(self.response, self.request): - assert isinstance( - mw.storage.retrieve_response(self.spider, self.request), - self.response.__class__, - ) +class StorageTestMixin: + """Mixin containing storage-specific test methods.""" - -class TestDefaultStorage(TestBase): def test_storage(self): with self._storage() as storage: request2 = self.request.copy() @@ -143,31 +129,27 @@ class TestDefaultStorage(TestBase): self.assertEqualResponse(response, cached_response) -class TestDbmStorage(TestDefaultStorage): - storage_class = "scrapy.extensions.httpcache.DbmCacheStorage" +class PolicyTestMixin: + """Mixin containing policy-specific test methods.""" + + def test_dont_cache(self): + with self._middleware() as mw: + self.request.meta["dont_cache"] = True + mw.process_response(self.request, self.response, self.spider) + assert mw.storage.retrieve_response(self.spider, self.request) is None + + with self._middleware() as mw: + self.request.meta["dont_cache"] = False + mw.process_response(self.request, self.response, self.spider) + if mw.policy.should_cache_response(self.response, self.request): + assert isinstance( + mw.storage.retrieve_response(self.spider, self.request), + self.response.__class__, + ) -class TestDbmStorageWithCustomDbmModule(TestDbmStorage): - dbm_module = "tests.mocks.dummydbm" - - def _get_settings(self, **new_settings): - new_settings.setdefault("HTTPCACHE_DBM_MODULE", self.dbm_module) - return super()._get_settings(**new_settings) - - def test_custom_dbm_module_loaded(self): - # make sure our dbm module has been loaded - with self._storage() as storage: - assert storage.dbmodule.__name__ == self.dbm_module - - -class TestFilesystemStorageGzip(TestDefaultStorage): - def _get_settings(self, **new_settings): - new_settings.setdefault("HTTPCACHE_GZIP", True) - return super()._get_settings(**new_settings) - - -class TestDummyPolicy(TestBase): - policy_class = "scrapy.extensions.httpcache.DummyPolicy" +class DummyPolicyTestMixin(PolicyTestMixin): + """Mixin containing dummy policy specific test methods.""" def test_middleware(self): with self._middleware() as mw: @@ -258,8 +240,8 @@ class TestDummyPolicy(TestBase): assert "cached" in response.flags -class TestRFC2616Policy(TestDefaultStorage): - policy_class = "scrapy.extensions.httpcache.RFC2616Policy" +class RFC2616PolicyTestMixin(PolicyTestMixin): + """Mixin containing RFC2616 policy specific test methods.""" def _process_requestresponse(self, mw, request, response): result = None @@ -562,3 +544,51 @@ class TestRFC2616Policy(TestDefaultStorage): res2 = self._process_requestresponse(mw, req0, None) self.assertEqualResponse(res1, res2) assert "cached" in res2.flags + + +# Concrete test classes that combine storage and policy mixins + + +class TestFilesystemStorageWithDummyPolicy( + TestBase, StorageTestMixin, DummyPolicyTestMixin +): + storage_class = "scrapy.extensions.httpcache.FilesystemCacheStorage" + policy_class = "scrapy.extensions.httpcache.DummyPolicy" + + +class TestFilesystemStorageWithRFC2616Policy( + TestBase, StorageTestMixin, RFC2616PolicyTestMixin +): + storage_class = "scrapy.extensions.httpcache.FilesystemCacheStorage" + policy_class = "scrapy.extensions.httpcache.RFC2616Policy" + + +class TestDbmStorageWithDummyPolicy(TestBase, StorageTestMixin, DummyPolicyTestMixin): + storage_class = "scrapy.extensions.httpcache.DbmCacheStorage" + policy_class = "scrapy.extensions.httpcache.DummyPolicy" + + +class TestDbmStorageWithRFC2616Policy( + TestBase, StorageTestMixin, RFC2616PolicyTestMixin +): + storage_class = "scrapy.extensions.httpcache.DbmCacheStorage" + policy_class = "scrapy.extensions.httpcache.RFC2616Policy" + + +class TestDbmStorageWithCustomDbmModule(TestDbmStorageWithDummyPolicy): + dbm_module = "tests.mocks.dummydbm" + + def _get_settings(self, **new_settings): + new_settings.setdefault("HTTPCACHE_DBM_MODULE", self.dbm_module) + return super()._get_settings(**new_settings) + + def test_custom_dbm_module_loaded(self): + # make sure our dbm module has been loaded + with self._storage() as storage: + assert storage.dbmodule.__name__ == self.dbm_module + + +class TestFilesystemStorageGzipWithDummyPolicy(TestFilesystemStorageWithDummyPolicy): + def _get_settings(self, **new_settings): + new_settings.setdefault("HTTPCACHE_GZIP", True) + return super()._get_settings(**new_settings) From 2442536d0f5cdd16b836aafbe2da2c668c6dc96f Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 13 May 2025 12:22:28 +0400 Subject: [PATCH 458/786] Add a deepwiki badge, update other badges. (#6793) --- README.rst | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/README.rst b/README.rst index cf7c6043c..29488d825 100644 --- a/README.rst +++ b/README.rst @@ -17,19 +17,14 @@ Scrapy :target: https://github.com/scrapy/scrapy/actions?query=workflow%3AUbuntu :alt: Ubuntu -.. .. image:: https://github.com/scrapy/scrapy/workflows/macOS/badge.svg - .. :target: https://github.com/scrapy/scrapy/actions?query=workflow%3AmacOS - .. :alt: macOS - +.. image:: https://github.com/scrapy/scrapy/workflows/macOS/badge.svg + :target: https://github.com/scrapy/scrapy/actions?query=workflow%3AmacOS + :alt: macOS .. image:: https://github.com/scrapy/scrapy/workflows/Windows/badge.svg :target: https://github.com/scrapy/scrapy/actions?query=workflow%3AWindows :alt: Windows -.. image:: https://img.shields.io/badge/wheel-yes-brightgreen.svg - :target: https://pypi.org/pypi/Scrapy - :alt: Wheel Status - .. image:: https://img.shields.io/codecov/c/github/scrapy/scrapy/master.svg :target: https://codecov.io/github/scrapy/scrapy?branch=master :alt: Coverage report @@ -38,6 +33,10 @@ Scrapy :target: https://anaconda.org/conda-forge/scrapy :alt: Conda Version +.. image:: https://deepwiki.com/badge.svg + :target: https://deepwiki.com/scrapy/scrapy + :alt: Ask DeepWiki + Overview ======== From b86f00327a3d113a97525f68d38f77529d090f30 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 13 May 2025 22:47:57 +0400 Subject: [PATCH 459/786] Refactor more Deferred functions. (#6795) --- scrapy/commands/parse.py | 1 + scrapy/core/downloader/__init__.py | 96 +++++++++++++--------------- scrapy/core/downloader/middleware.py | 25 ++++---- scrapy/core/engine.py | 49 ++++++-------- scrapy/core/scraper.py | 29 +++++---- scrapy/core/spidermw.py | 50 +++++++++------ scrapy/crawler.py | 38 +++++------ tests/test_downloadermiddleware.py | 33 ++++++++++ 8 files changed, 179 insertions(+), 142 deletions(-) diff --git a/scrapy/commands/parse.py b/scrapy/commands/parse.py index 0dd9954cb..c4b3d2af9 100644 --- a/scrapy/commands/parse.py +++ b/scrapy/commands/parse.py @@ -282,6 +282,7 @@ class Command(BaseRunSpiderCommand): ) -> list[Any]: items, requests, opts, depth, spider, callback = args if opts.pipelines: + assert self.pcrawler.engine itemproc = self.pcrawler.engine.scraper.itemproc for item in items: itemproc.process_item(item, spider) diff --git a/scrapy/core/downloader/__init__.py b/scrapy/core/downloader/__init__.py index 78dc16df6..5468398aa 100644 --- a/scrapy/core/downloader/__init__.py +++ b/scrapy/core/downloader/__init__.py @@ -5,29 +5,32 @@ import warnings from collections import deque from datetime import datetime from time import time -from typing import TYPE_CHECKING, Any, TypeVar, cast +from typing import TYPE_CHECKING, Any, cast from twisted.internet import task -from twisted.internet.defer import Deferred +from twisted.internet.defer import Deferred, inlineCallbacks from scrapy import Request, Spider, signals from scrapy.core.downloader.handlers import DownloadHandlers from scrapy.core.downloader.middleware import DownloaderMiddlewareManager from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.resolver import dnscache -from scrapy.utils.defer import mustbe_deferred +from scrapy.utils.defer import ( + deferred_from_coro, + maybe_deferred_to_future, + mustbe_deferred, +) from scrapy.utils.httpobj import urlparse_cached if TYPE_CHECKING: + from collections.abc import Generator + from scrapy.crawler import Crawler from scrapy.http import Response from scrapy.settings import BaseSettings from scrapy.signalmanager import SignalManager -_T = TypeVar("_T") - - class Slot: """Downloader slot""" @@ -114,16 +117,17 @@ class Downloader: "DOWNLOAD_SLOTS", {} ) - def fetch(self, request: Request, spider: Spider) -> Deferred[Response | Request]: - def _deactivate(response: _T) -> _T: - self.active.remove(request) - return response - + @inlineCallbacks + def fetch( + self, request: Request, spider: Spider + ) -> Generator[Deferred[Any], Any, Response | Request]: self.active.add(request) - dfd: Deferred[Response | Request] = self.middleware.download( - self._enqueue_request, request, spider - ) - return dfd.addBoth(_deactivate) + try: + return ( + yield self.middleware.download(self._enqueue_request, request, spider) + ) + finally: + self.active.remove(request) def needs_backout(self) -> bool: return len(self.active) >= self.total_concurrency @@ -164,22 +168,23 @@ class Downloader: ) return self.get_slot_key(request) - def _enqueue_request(self, request: Request, spider: Spider) -> Deferred[Response]: + @inlineCallbacks + def _enqueue_request( + self, request: Request, spider: Spider + ) -> Generator[Deferred[Any], Any, Response]: key, slot = self._get_slot(request, spider) request.meta[self.DOWNLOAD_SLOT] = key - - def _deactivate(response: Response) -> Response: - slot.active.remove(request) - return response - slot.active.add(request) self.signals.send_catch_log( signal=signals.request_reached_downloader, request=request, spider=spider ) - deferred: Deferred[Response] = Deferred().addBoth(_deactivate) - slot.queue.append((request, deferred)) + d: Deferred[Response] = Deferred() + slot.queue.append((request, d)) self._process_queue(spider, slot) - return deferred + try: + return (yield d) + finally: + slot.active.remove(request) def _process_queue(self, spider: Spider, slot: Slot) -> None: from twisted.internet import reactor @@ -202,26 +207,23 @@ class Downloader: while slot.queue and slot.free_transfer_slots() > 0: slot.lastseen = now request, deferred = slot.queue.popleft() - dfd = self._download(slot, request, spider) + dfd = deferred_from_coro(self._download(slot, request, spider)) dfd.chainDeferred(deferred) # prevent burst if inter-request delays were configured if delay: self._process_queue(spider, slot) break - def _download( - self, slot: Slot, request: Request, spider: Spider - ) -> Deferred[Response]: - # The order is very important for the following deferreds. Do not change! - - # 1. Create the download deferred - dfd: Deferred[Response] = mustbe_deferred( - self.handlers.download_request, request, spider - ) - - # 2. Notify response_downloaded listeners about the recent download - # before querying queue for next request - def _downloaded(response: Response) -> Response: + async def _download(self, slot: Slot, request: Request, spider: Spider) -> Response: + # The order is very important for the following logic. Do not change! + slot.transferring.add(request) + try: + # 1. Download the response + response: Response = await maybe_deferred_to_future( + mustbe_deferred(self.handlers.download_request, request, spider) + ) + # 2. Notify response_downloaded listeners about the recent download + # before querying queue for next request self.signals.send_catch_log( signal=signals.response_downloaded, response=response, @@ -229,24 +231,16 @@ class Downloader: spider=spider, ) return response - - dfd.addCallback(_downloaded) - - # 3. After response arrives, remove the request from transferring - # state to free up the transferring slot so it can be used by the - # following requests (perhaps those which came from the downloader - # middleware itself) - slot.transferring.add(request) - - def finish_transferring(_: _T) -> _T: + finally: + # 3. After response arrives, remove the request from transferring + # state to free up the transferring slot so it can be used by the + # following requests (perhaps those which came from the downloader + # middleware itself) slot.transferring.remove(request) self._process_queue(spider, slot) self.signals.send_catch_log( signal=signals.request_left_downloader, request=request, spider=spider ) - return _ - - return dfd.addBoth(finish_transferring) def close(self) -> None: self._slot_gc_loop.stop() diff --git a/scrapy/core/downloader/middleware.py b/scrapy/core/downloader/middleware.py index db4191385..a4055849d 100644 --- a/scrapy/core/downloader/middleware.py +++ b/scrapy/core/downloader/middleware.py @@ -20,8 +20,6 @@ from scrapy.utils.defer import deferred_from_coro, mustbe_deferred if TYPE_CHECKING: from collections.abc import Generator - from twisted.python.failure import Failure - from scrapy import Spider from scrapy.settings import BaseSettings @@ -41,12 +39,13 @@ class DownloaderMiddlewareManager(MiddlewareManager): if hasattr(mw, "process_exception"): self.methods["process_exception"].appendleft(mw.process_exception) + @inlineCallbacks def download( self, download_func: Callable[[Request, Spider], Deferred[Response]], request: Request, spider: Spider, - ) -> Deferred[Response | Request]: + ) -> Generator[Deferred[Any], Any, Response | Request]: @inlineCallbacks def process_request( request: Request, @@ -92,9 +91,8 @@ class DownloaderMiddlewareManager(MiddlewareManager): @inlineCallbacks def process_exception( - failure: Failure, - ) -> Generator[Deferred[Any], Any, Failure | Response | Request]: - exception = failure.value + exception: Exception, + ) -> Generator[Deferred[Any], Any, Response | Request]: for method in self.methods["process_exception"]: method = cast(Callable, method) response = yield deferred_from_coro( @@ -109,11 +107,12 @@ class DownloaderMiddlewareManager(MiddlewareManager): ) if response: return response - return failure + raise exception - deferred: Deferred[Response | Request] = mustbe_deferred( - process_request, request - ) - deferred.addErrback(process_exception) - deferred.addCallback(process_response) - return deferred + try: + result: Response | Request = yield mustbe_deferred(process_request, request) + except Exception as ex: + # either returns a request or response (which we pass to process_response()) + # or reraises the exception + result = yield process_exception(ex) + return (yield process_response(result)) diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index 7f5dd0405..658f6e774 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -10,7 +10,7 @@ from __future__ import annotations import logging from time import time from traceback import format_exc -from typing import TYPE_CHECKING, Any, TypeVar, cast +from typing import TYPE_CHECKING, Any, cast from twisted.internet.defer import Deferred, inlineCallbacks, succeed from twisted.internet.task import LoopingCall @@ -42,8 +42,6 @@ if TYPE_CHECKING: logger = logging.getLogger(__name__) -_T = TypeVar("_T") - class _Slot: def __init__( @@ -349,28 +347,32 @@ class ExecutionEngine: signals.request_dropped, request=request, spider=self.spider ) - def download(self, request: Request) -> Deferred[Response]: + @inlineCallbacks + def download(self, request: Request) -> Generator[Deferred[Any], Any, Response]: """Return a Deferred which fires with a Response as result, only downloader middlewares are applied""" if self.spider is None: raise RuntimeError(f"No open spider to crawl: {request}") - d: Deferred[Response | Request] = self._download(request) - # Deferred.addBoth() overloads don't seem to support a Union[_T, Deferred[_T]] return type - d2: Deferred[Response] = d.addBoth(self._downloaded, request) # type: ignore[call-overload] - return d2 + try: + response_or_request = yield self._download(request) + finally: + assert self._slot is not None + self._slot.remove_request(request) + if isinstance(response_or_request, Request): + return (yield self.download(response_or_request)) + return response_or_request - def _downloaded( - self, result: Response | Request | Failure, request: Request - ) -> Deferred[Response] | Response | Failure: - assert self._slot is not None # typing - self._slot.remove_request(request) - return self.download(result) if isinstance(result, Request) else result - - def _download(self, request: Request) -> Deferred[Response | Request]: + @inlineCallbacks + def _download( + self, request: Request + ) -> Generator[Deferred[Any], Any, Response | Request]: assert self._slot is not None # typing + assert self.spider is not None self._slot.add_request(request) - - def _on_success(result: Response | Request) -> Response | Request: + try: + result: Response | Request = yield self.downloader.fetch( + request, self.spider + ) if not isinstance(result, (Response, Request)): raise TypeError( f"Incorrect type: expected Response or Request, got {type(result)}: {result!r}" @@ -391,17 +393,8 @@ class ExecutionEngine: spider=self.spider, ) return result - - def _on_complete(_: _T) -> _T: - assert self._slot is not None + finally: self._slot.nextcall.schedule() - return _ - - assert self.spider is not None - dwld: Deferred[Response | Request] = self.downloader.fetch(request, self.spider) - dwld.addCallback(_on_success) - dwld.addBoth(_on_complete) - return dwld @deferred_f_from_coro_f async def open_spider( diff --git a/scrapy/core/scraper.py b/scrapy/core/scraper.py index 9378f2651..2c48a9a81 100644 --- a/scrapy/core/scraper.py +++ b/scrapy/core/scraper.py @@ -111,11 +111,11 @@ class Scraper: assert crawler.logformatter self.logformatter: LogFormatter = crawler.logformatter - @inlineCallbacks - def open_spider(self, spider: Spider) -> Generator[Deferred[Any], Any, None]: + @deferred_f_from_coro_f + async def open_spider(self, spider: Spider) -> None: """Open the given spider for scraping and allocate resources for it""" self.slot = Slot(self.crawler.settings.getint("SCRAPER_SLOT_MAX_ACTIVE_SIZE")) - yield self.itemproc.open_spider(spider) + await maybe_deferred_to_future(self.itemproc.open_spider(spider)) def close_spider(self, spider: Spider | None = None) -> Deferred[Spider]: """Close a spider being scraped and release its resources""" @@ -191,10 +191,8 @@ class Scraper: if isinstance(result, Response): try: # call the spider middlewares and the request callback with the response - output = await maybe_deferred_to_future( - self.spidermw.scrape_response( - self.call_spider, result, request, self.crawler.spider - ) + output = await self.spidermw.scrape_response_async( + self.call_spider, result, request, self.crawler.spider ) except Exception: self.handle_spider_error(Failure(), request, result) @@ -363,12 +361,19 @@ class Scraper: self.crawler.engine.crawl(request=output) return if output is not None: - await maybe_deferred_to_future( - self.start_itemproc(output, response=response) - ) + await self.start_itemproc_async(output, response=response) - @deferred_f_from_coro_f - async def start_itemproc(self, item: Any, *, response: Response | None) -> None: + def start_itemproc(self, item: Any, *, response: Response | None) -> Deferred[None]: + """Send *item* to the item pipelines for processing. + + *response* is the source of the item data. If the item does not come + from response data, e.g. it was hard-coded, set it to ``None``. + """ + return deferred_from_coro(self.start_itemproc_async(item, response=response)) + + async def start_itemproc_async( + self, item: Any, *, response: Response | None + ) -> None: """Send *item* to the item pipelines for processing. *response* is the source of the item data. If the item does not come diff --git a/scrapy/core/spidermw.py b/scrapy/core/spidermw.py index 310abb9b7..10aad7858 100644 --- a/scrapy/core/spidermw.py +++ b/scrapy/core/spidermw.py @@ -23,7 +23,6 @@ from scrapy.middleware import MiddlewareManager from scrapy.utils.asyncgen import as_async_generator, collect_asyncgen from scrapy.utils.conf import build_component_list from scrapy.utils.defer import ( - deferred_f_from_coro_f, deferred_from_coro, maybe_deferred_to_future, mustbe_deferred, @@ -169,7 +168,7 @@ class SpiderMiddlewareManager(MiddlewareManager): exception_result = cast( Union[Failure, MutableChain[_T]], self._process_spider_exception( - response, spider, Failure(ex), exception_processor_index + response, spider, ex, exception_processor_index ), ) if isinstance(exception_result, Failure): @@ -185,7 +184,7 @@ class SpiderMiddlewareManager(MiddlewareManager): exception_result = cast( Union[Failure, MutableAsyncChain[_T]], self._process_spider_exception( - response, spider, Failure(ex), exception_processor_index + response, spider, ex, exception_processor_index ), ) if isinstance(exception_result, Failure): @@ -201,13 +200,12 @@ class SpiderMiddlewareManager(MiddlewareManager): self, response: Response, spider: Spider, - _failure: Failure, + exception: Exception, start_index: int = 0, - ) -> Failure | MutableChain[_T] | MutableAsyncChain[_T]: - exception = _failure.value + ) -> MutableChain[_T] | MutableAsyncChain[_T]: # don't handle _InvalidOutput exception if isinstance(exception, _InvalidOutput): - return _failure + raise exception method_list = islice( self.methods["process_spider_exception"], start_index, None ) @@ -242,7 +240,7 @@ class SpiderMiddlewareManager(MiddlewareManager): f"or an iterable, got {type(result)}" ) raise _InvalidOutput(msg) - return _failure + raise exception # This method cannot be made async def, as _process_spider_exception relies on the Deferred result # being available immediately which doesn't work when it's a wrapped coroutine. @@ -308,7 +306,7 @@ class SpiderMiddlewareManager(MiddlewareManager): except Exception as ex: exception_result: Failure | MutableChain[_T] | MutableAsyncChain[_T] = ( self._process_spider_exception( - response, spider, Failure(ex), method_index + 1 + response, spider, ex, method_index + 1 ) ) if isinstance(exception_result, Failure): @@ -369,24 +367,36 @@ class SpiderMiddlewareManager(MiddlewareManager): request: Request, spider: Spider, ) -> Deferred[MutableChain[_T] | MutableAsyncChain[_T]]: + return deferred_from_coro( + self.scrape_response_async(scrape_func, response, request, spider) + ) + + async def scrape_response_async( + self, + scrape_func: ScrapeFunc[_T], + response: Response, + request: Request, + spider: Spider, + ) -> MutableChain[_T] | MutableAsyncChain[_T]: async def process_callback_output( result: Iterable[_T] | AsyncIterator[_T], ) -> MutableChain[_T] | MutableAsyncChain[_T]: return await self._process_callback_output(response, spider, result) def process_spider_exception( - _failure: Failure, - ) -> Failure | MutableChain[_T] | MutableAsyncChain[_T]: - return self._process_spider_exception(response, spider, _failure) + exception: Exception, + ) -> MutableChain[_T] | MutableAsyncChain[_T]: + return self._process_spider_exception(response, spider, exception) - dfd: Deferred[Iterable[_T] | AsyncIterator[_T]] = mustbe_deferred( - self._process_spider_input, scrape_func, response, request, spider - ) - dfd2: Deferred[MutableChain[_T] | MutableAsyncChain[_T]] = dfd.addCallback( - deferred_f_from_coro_f(process_callback_output) - ) - dfd2.addErrback(process_spider_exception) - return dfd2 + try: + it: Iterable[_T] | AsyncIterator[_T] = await maybe_deferred_to_future( + mustbe_deferred( + self._process_spider_input, scrape_func, response, request, spider + ) + ) + return await process_callback_output(it) + except Exception as ex: + return process_spider_exception(ex) async def process_start(self, spider: Spider) -> AsyncIterator[Any] | None: self._check_deprecated_start_requests_use(spider) diff --git a/scrapy/crawler.py b/scrapy/crawler.py index 749096db5..5dbee6537 100644 --- a/scrapy/crawler.py +++ b/scrapy/crawler.py @@ -10,7 +10,6 @@ from twisted.internet.defer import ( Deferred, DeferredList, inlineCallbacks, - maybeDeferred, ) from zope.interface.verify import verifyClass @@ -175,7 +174,7 @@ class Crawler: if self.crawling: self.crawling = False assert self.engine - yield maybeDeferred(self.engine.stop) + yield self.engine.stop() @staticmethod def _get_component( @@ -277,12 +276,6 @@ class CrawlerRunner: process. See :ref:`run-from-script` for an example. """ - crawlers = property( - lambda self: self._crawlers, - doc="Set of :class:`crawlers <scrapy.crawler.Crawler>` started by " - ":meth:`crawl` and managed by this class.", - ) - @staticmethod def _get_spider_loader(settings: BaseSettings) -> SpiderLoaderProtocol: """Get SpiderLoader instance from settings""" @@ -303,6 +296,12 @@ class CrawlerRunner: self._active: set[Deferred[None]] = set() self.bootstrap_failed = False + @property + def crawlers(self) -> set[Crawler]: + """Set of :class:`crawlers <scrapy.crawler.Crawler>` started by + :meth:`crawl` and managed by this class.""" + return self._crawlers + def crawl( self, crawler_or_spidercls: type[Spider] | str | Crawler, @@ -338,18 +337,19 @@ class CrawlerRunner: crawler = self.create_crawler(crawler_or_spidercls) return self._crawl(crawler, *args, **kwargs) - def _crawl(self, crawler: Crawler, *args: Any, **kwargs: Any) -> Deferred[None]: + @inlineCallbacks + def _crawl( + self, crawler: Crawler, *args: Any, **kwargs: Any + ) -> Generator[Deferred[Any], Any, None]: self.crawlers.add(crawler) d = crawler.crawl(*args, **kwargs) self._active.add(d) - - def _done(result: _T) -> _T: + try: + yield d + finally: self.crawlers.discard(crawler) self._active.discard(d) self.bootstrap_failed |= not getattr(crawler, "spider", None) - return result - - return d.addBoth(_done) def create_crawler( self, crawler_or_spidercls: type[Spider] | str | Crawler @@ -501,10 +501,12 @@ class CrawlerProcess(CrawlerRunner): ) reactor.run(installSignalHandlers=install_signal_handlers) # blocking call - def _graceful_stop_reactor(self) -> Deferred[Any]: - d = self.stop() - d.addBoth(self._stop_reactor) - return d + @inlineCallbacks + def _graceful_stop_reactor(self) -> Generator[Deferred[Any], Any, None]: + try: + yield self.stop() + finally: + self._stop_reactor() def _stop_reactor(self, _: Any = None) -> None: from twisted.internet import reactor diff --git a/tests/test_downloadermiddleware.py b/tests/test_downloadermiddleware.py index 8ae160f8a..61a5a7df5 100644 --- a/tests/test_downloadermiddleware.py +++ b/tests/test_downloadermiddleware.py @@ -131,6 +131,39 @@ class TestResponseFromProcessRequest(TestManagerBase): assert not download_func.called +class TestResponseFromProcessException(TestManagerBase): + """Tests middleware returning a response from process_exception.""" + + @deferred_f_from_coro_f + async def test_process_response_called(self): + resp = Response("http://example.com/index.html") + calls = [] + + def download_func(request, spider): + raise ValueError("test") + + class ResponseMiddleware: + def process_response(self, request, response, spider): + calls.append("process_response") + return resp + + def process_exception(self, request, exception, spider): + calls.append("process_exception") + return resp + + self.mwman._add_middleware(ResponseMiddleware()) + + req = Request("http://example.com/index.html") + result = await maybe_deferred_to_future( + self.mwman.download(download_func, req, self.spider) + ) + assert result is resp + assert calls == [ + "process_exception", + "process_response", + ] + + class TestInvalidOutput(TestManagerBase): @deferred_f_from_coro_f async def test_invalid_process_request(self): From 82acef30517496d622a80f24adb5b3599e63f64a Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Wed, 14 May 2025 18:21:18 +0400 Subject: [PATCH 460/786] Add AsyncCrawlerRunner. (#6796) --- conftest.py | 2 + docs/topics/api.rst | 3 + docs/topics/practices.rst | 178 +++++++++-------- scrapy/crawler.py | 188 ++++++++++++++---- tests/AsyncCrawlerRunner/multi_parallel.py | 28 +++ tests/AsyncCrawlerRunner/multi_seq.py | 27 +++ tests/AsyncCrawlerRunner/simple.py | 26 +++ .../simple_default_reactor.py | 24 +++ .../CrawlerRunner/explicit_default_reactor.py | 28 +++ tests/CrawlerRunner/multi_parallel.py | 26 +++ tests/CrawlerRunner/multi_seq.py | 27 +++ tests/CrawlerRunner/simple.py | 24 +++ tests/test_crawler.py | 143 ++++++++++++- 13 files changed, 589 insertions(+), 135 deletions(-) create mode 100644 tests/AsyncCrawlerRunner/multi_parallel.py create mode 100644 tests/AsyncCrawlerRunner/multi_seq.py create mode 100644 tests/AsyncCrawlerRunner/simple.py create mode 100644 tests/AsyncCrawlerRunner/simple_default_reactor.py create mode 100644 tests/CrawlerRunner/explicit_default_reactor.py create mode 100644 tests/CrawlerRunner/multi_parallel.py create mode 100644 tests/CrawlerRunner/multi_seq.py create mode 100644 tests/CrawlerRunner/simple.py diff --git a/conftest.py b/conftest.py index 8e0c429a0..18132b7e6 100644 --- a/conftest.py +++ b/conftest.py @@ -19,6 +19,8 @@ collect_ignore = [ "tests/mockserver.py", "tests/pipelines.py", "tests/spiders.py", + # contains scripts to be run by tests/test_crawler.py::AsyncCrawlerRunnerSubprocess + *_py_files("tests/AsyncCrawlerRunner"), # contains scripts to be run by tests/test_crawler.py::CrawlerProcessSubprocess *_py_files("tests/CrawlerProcess"), # contains scripts to be run by tests/test_crawler.py::CrawlerRunnerSubprocess diff --git a/docs/topics/api.rst b/docs/topics/api.rst index 8e8f3a0c9..3e7bc45c5 100644 --- a/docs/topics/api.rst +++ b/docs/topics/api.rst @@ -109,6 +109,9 @@ how you :ref:`configure the downloader middlewares .. automethod:: stop +.. autoclass:: AsyncCrawlerRunner + :members: + .. autoclass:: CrawlerRunner :members: diff --git a/docs/topics/practices.rst b/docs/topics/practices.rst index db91cd073..18005aaf2 100644 --- a/docs/topics/practices.rst +++ b/docs/topics/practices.rst @@ -73,72 +73,87 @@ project as example. process.start() # the script will block here until the crawling is finished There's another Scrapy utility that provides more control over the crawling -process: :class:`scrapy.crawler.CrawlerRunner`. This class is a thin wrapper -that encapsulates some simple helpers to run multiple crawlers, but it won't -start or interfere with existing reactors in any way. +process: :class:`scrapy.crawler.AsyncCrawlerRunner` and +:class:`scrapy.crawler.CrawlerRunner`. These classes are thin wrappers +that encapsulate some simple helpers to run multiple crawlers, but they won't +start or interfere with existing reactors in any way. They have similar +functionality, differing in their asynchronous API style: +:class:`~scrapy.crawler.AsyncCrawlerRunner` returns coroutines from its +asynchronous methods while :class:`~scrapy.crawler.CrawlerRunner` returns +:class:`~twisted.internet.defer.Deferred` objects. -Using this class the reactor should be explicitly run after scheduling your -spiders. It's recommended you use :class:`~scrapy.crawler.CrawlerRunner` -instead of :class:`~scrapy.crawler.CrawlerProcess` if your application is -already using Twisted and you want to run Scrapy in the same reactor. +When using these classes the reactor should be explicitly run after scheduling +your spiders. It's recommended that you use +:class:`~scrapy.crawler.AsyncCrawlerRunner` or +:class:`~scrapy.crawler.CrawlerRunner` instead of +:class:`~scrapy.crawler.CrawlerProcess` if your application is already using +Twisted and you want to run Scrapy in the same reactor. -Note that you will also have to shutdown the Twisted reactor yourself after the -spider is finished. This can be achieved by adding callbacks to the deferred -returned by the :meth:`CrawlerRunner.crawl -<scrapy.crawler.CrawlerRunner.crawl>` method. +If you want to stop the reactor or run any other code right after the spider +finishes you can do that after the :meth:`AsyncCrawlerRunner.crawl() +<scrapy.crawler.AsyncCrawlerRunner.crawl>` coroutine completes (or the Deferred +returned from :meth:`CrawlerRunner.crawl() +<scrapy.crawler.CrawlerRunner.crawl>` fires). In the simplest case you can also +use :func:`twisted.internet.task.react` to start and stop the reactor, though +it may be easier to just use :class:`~scrapy.crawler.CrawlerProcess` instead. -Here's an example of its usage, along with a callback to manually stop the -reactor after ``MySpider`` has finished running. +Here's an example of using :class:`~scrapy.crawler.AsyncCrawlerRunner` together +with simple reactor management code: .. code-block:: python import scrapy - from scrapy.crawler import CrawlerRunner + from scrapy.crawler import AsyncCrawlerRunner + from scrapy.utils.defer import deferred_f_from_coro_f from scrapy.utils.log import configure_logging - - - class MySpider(scrapy.Spider): - # Your spider definition - ... - - - configure_logging({"LOG_FORMAT": "%(levelname)s: %(message)s"}) - runner = CrawlerRunner() - - d = runner.crawl(MySpider) - - from twisted.internet import reactor - - d.addBoth(lambda _: reactor.stop()) - reactor.run() # the script will block here until the crawling is finished - -Same example but using a non-default reactor, it's only necessary call -``install_reactor`` if you are using ``CrawlerRunner`` since ``CrawlerProcess`` already does this automatically. - -.. code-block:: python - - import scrapy - from scrapy.crawler import CrawlerRunner - from scrapy.utils.log import configure_logging - - - class MySpider(scrapy.Spider): - # Your spider definition - ... - - - configure_logging({"LOG_FORMAT": "%(levelname)s: %(message)s"}) - from scrapy.utils.reactor import install_reactor + from twisted.internet.task import react + + + class MySpider(scrapy.Spider): + # Your spider definition + ... + + + async def crawl(_): + configure_logging({"LOG_FORMAT": "%(levelname)s: %(message)s"}) + runner = AsyncCrawlerRunner() + await runner.crawl(MySpider) # completes when the spider finishes + install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") - runner = CrawlerRunner() - d = runner.crawl(MySpider) + react(deferred_f_from_coro_f(crawl)) - from twisted.internet import reactor +Same example but using :class:`~scrapy.crawler.CrawlerRunner` and a +different reactor (:class:`~scrapy.crawler.AsyncCrawlerRunner` only works +with :class:`~twisted.internet.asyncioreactor.AsyncioSelectorReactor`): - d.addBoth(lambda _: reactor.stop()) - reactor.run() # the script will block here until the crawling is finished +.. code-block:: python + + import scrapy + from scrapy.crawler import CrawlerRunner + from scrapy.utils.log import configure_logging + from scrapy.utils.reactor import install_reactor + from twisted.internet.task import react + + + class MySpider(scrapy.Spider): + custom_settings = { + "TWISTED_REACTOR": "twisted.internet.epollreactor.EPollReactor", + } + # Your spider definition + ... + + + def crawl(_): + configure_logging({"LOG_FORMAT": "%(levelname)s: %(message)s"}) + runner = CrawlerRunner() + d = runner.crawl(MySpider) + return d # this Deferred fires when the spider finishes + + + install_reactor("twisted.internet.epollreactor.EPollReactor") + react(crawl) .. seealso:: :doc:`twisted:core/howto/reactor-basics` @@ -176,14 +191,16 @@ Here is an example that runs multiple spiders simultaneously: process.crawl(MySpider2) process.start() # the script will block here until all crawling jobs are finished -Same example using :class:`~scrapy.crawler.CrawlerRunner`: +Same example using :class:`~scrapy.crawler.AsyncCrawlerRunner`: .. code-block:: python import scrapy - from scrapy.crawler import CrawlerRunner + from scrapy.crawler import AsyncCrawlerRunner + from scrapy.utils.defer import deferred_f_from_coro_f from scrapy.utils.log import configure_logging - from scrapy.utils.project import get_project_settings + from scrapy.utils.reactor import install_reactor + from twisted.internet.task import react class MySpider1(scrapy.Spider): @@ -196,27 +213,29 @@ Same example using :class:`~scrapy.crawler.CrawlerRunner`: ... - configure_logging() - settings = get_project_settings() - runner = CrawlerRunner(settings) - runner.crawl(MySpider1) - runner.crawl(MySpider2) - d = runner.join() + async def crawl(_): + configure_logging({"LOG_FORMAT": "%(levelname)s: %(message)s"}) + runner = AsyncCrawlerRunner() + runner.crawl(MySpider1) + runner.crawl(MySpider2) + await runner.join() # completes when both spiders finish - from twisted.internet import reactor - d.addBoth(lambda _: reactor.stop()) + install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") + react(deferred_f_from_coro_f(crawl)) - reactor.run() # the script will block here until all crawling jobs are finished -Same example but running the spiders sequentially by chaining the deferreds: +Same example but running the spiders sequentially by awaiting until each one +finishes before starting the next one: .. code-block:: python - from twisted.internet import defer - from scrapy.crawler import CrawlerRunner + import scrapy + from scrapy.crawler import AsyncCrawlerRunner + from scrapy.utils.defer import deferred_f_from_coro_f from scrapy.utils.log import configure_logging - from scrapy.utils.project import get_project_settings + from scrapy.utils.reactor import install_reactor + from twisted.internet.task import react class MySpider1(scrapy.Spider): @@ -229,22 +248,15 @@ Same example but running the spiders sequentially by chaining the deferreds: ... - settings = get_project_settings() - configure_logging(settings) - runner = CrawlerRunner(settings) + async def crawl(_): + configure_logging({"LOG_FORMAT": "%(levelname)s: %(message)s"}) + runner = AsyncCrawlerRunner() + await runner.crawl(MySpider1) + await runner.crawl(MySpider2) - @defer.inlineCallbacks - def crawl(): - yield runner.crawl(MySpider1) - yield runner.crawl(MySpider2) - reactor.stop() - - - from twisted.internet import reactor - - crawl() - reactor.run() # the script will block here until the last crawl call is finished + install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") + react(deferred_f_from_coro_f(crawl)) .. note:: When running multiple spiders in the same process, :ref:`reactor settings <reactor-settings>` should not have a different value per spider. diff --git a/scrapy/crawler.py b/scrapy/crawler.py index 5dbee6537..1d6532fa9 100644 --- a/scrapy/crawler.py +++ b/scrapy/crawler.py @@ -1,5 +1,6 @@ from __future__ import annotations +import asyncio import contextlib import logging import pprint @@ -20,6 +21,7 @@ from scrapy.extension import ExtensionManager from scrapy.interfaces import ISpiderLoader from scrapy.settings import BaseSettings, Settings, overridden_settings from scrapy.signalmanager import SignalManager +from scrapy.utils.defer import deferred_to_future from scrapy.utils.log import ( LogCounterHandler, configure_logging, @@ -263,19 +265,7 @@ class Crawler: return self._get_component(cls, self.engine.scraper.spidermw.middlewares) -class CrawlerRunner: - """ - This is a convenient helper class that keeps track of, manages and runs - crawlers inside an already setup :mod:`~twisted.internet.reactor`. - - The CrawlerRunner object must be instantiated with a - :class:`~scrapy.settings.Settings` object. - - This class shouldn't be needed (since Scrapy is responsible of using it - accordingly) unless writing scripts that manually handle the crawling - process. See :ref:`run-from-script` for an example. - """ - +class CrawlerRunnerBase: @staticmethod def _get_spider_loader(settings: BaseSettings) -> SpiderLoaderProtocol: """Get SpiderLoader instance from settings""" @@ -293,7 +283,6 @@ class CrawlerRunner: self.settings: Settings = settings self.spider_loader: SpiderLoaderProtocol = self._get_spider_loader(settings) self._crawlers: set[Crawler] = set() - self._active: set[Deferred[None]] = set() self.bootstrap_failed = False @property @@ -302,6 +291,57 @@ class CrawlerRunner: :meth:`crawl` and managed by this class.""" return self._crawlers + def create_crawler( + self, crawler_or_spidercls: type[Spider] | str | Crawler + ) -> Crawler: + """ + Return a :class:`~scrapy.crawler.Crawler` object. + + * If ``crawler_or_spidercls`` is a Crawler, it is returned as-is. + * If ``crawler_or_spidercls`` is a Spider subclass, a new Crawler + is constructed for it. + * If ``crawler_or_spidercls`` is a string, this function finds + a spider with this name in a Scrapy project (using spider loader), + then creates a Crawler instance for it. + """ + if isinstance(crawler_or_spidercls, Spider): + raise ValueError( + "The crawler_or_spidercls argument cannot be a spider object, " + "it must be a spider class (or a Crawler object)" + ) + if isinstance(crawler_or_spidercls, Crawler): + return crawler_or_spidercls + return self._create_crawler(crawler_or_spidercls) + + def _create_crawler(self, spidercls: str | type[Spider]) -> Crawler: + if isinstance(spidercls, str): + spidercls = self.spider_loader.load(spidercls) + return Crawler(spidercls, self.settings) + + def _stop(self) -> Deferred[Any]: + return DeferredList([c.stop() for c in list(self.crawlers)]) + + +class CrawlerRunner(CrawlerRunnerBase): + """ + This is a convenient helper class that keeps track of, manages and runs + crawlers inside an already setup :mod:`~twisted.internet.reactor`. + + The CrawlerRunner object must be instantiated with a + :class:`~scrapy.settings.Settings` object. + + This class shouldn't be needed (since Scrapy is responsible of using it + accordingly) unless writing scripts that manually handle the crawling + process. See :ref:`run-from-script` for an example. + + This class provides Deferred-based APIs. Use :class:`AsyncCrawlerRunner` + for modern coroutine APIs. + """ + + def __init__(self, settings: dict[str, Any] | Settings | None = None): + super().__init__(settings) + self._active: set[Deferred[None]] = set() + def crawl( self, crawler_or_spidercls: type[Spider] | str | Crawler, @@ -351,40 +391,13 @@ class CrawlerRunner: self._active.discard(d) self.bootstrap_failed |= not getattr(crawler, "spider", None) - def create_crawler( - self, crawler_or_spidercls: type[Spider] | str | Crawler - ) -> Crawler: - """ - Return a :class:`~scrapy.crawler.Crawler` object. - - * If ``crawler_or_spidercls`` is a Crawler, it is returned as-is. - * If ``crawler_or_spidercls`` is a Spider subclass, a new Crawler - is constructed for it. - * If ``crawler_or_spidercls`` is a string, this function finds - a spider with this name in a Scrapy project (using spider loader), - then creates a Crawler instance for it. - """ - if isinstance(crawler_or_spidercls, Spider): - raise ValueError( - "The crawler_or_spidercls argument cannot be a spider object, " - "it must be a spider class (or a Crawler object)" - ) - if isinstance(crawler_or_spidercls, Crawler): - return crawler_or_spidercls - return self._create_crawler(crawler_or_spidercls) - - def _create_crawler(self, spidercls: str | type[Spider]) -> Crawler: - if isinstance(spidercls, str): - spidercls = self.spider_loader.load(spidercls) - return Crawler(spidercls, self.settings) - def stop(self) -> Deferred[Any]: """ Stops simultaneously all the crawling jobs taking place. Returns a deferred that is fired when they all have ended. """ - return DeferredList([c.stop() for c in list(self.crawlers)]) + return self._stop() @inlineCallbacks def join(self) -> Generator[Deferred[Any], Any, None]: @@ -398,6 +411,96 @@ class CrawlerRunner: yield DeferredList(self._active) +class AsyncCrawlerRunner(CrawlerRunnerBase): + """ + This is a convenient helper class that keeps track of, manages and runs + crawlers inside an already setup :mod:`~twisted.internet.reactor`. + + The AsyncCrawlerRunner object must be instantiated with a + :class:`~scrapy.settings.Settings` object. + + This class shouldn't be needed (since Scrapy is responsible of using it + accordingly) unless writing scripts that manually handle the crawling + process. See :ref:`run-from-script` for an example. + + This class provides coroutine APIs. It requires + :class:`~twisted.internet.asyncioreactor.AsyncioSelectorReactor`. + """ + + def __init__(self, settings: dict[str, Any] | Settings | None = None): + super().__init__(settings) + self._active: set[asyncio.Future[None]] = set() + + def crawl( + self, + crawler_or_spidercls: type[Spider] | str | Crawler, + *args: Any, + **kwargs: Any, + ) -> asyncio.Future[None]: + """ + Run a crawler with the provided arguments. + + It will call the given Crawler's :meth:`~Crawler.crawl` method, while + keeping track of it so it can be stopped later. + + If ``crawler_or_spidercls`` isn't a :class:`~scrapy.crawler.Crawler` + instance, this method will try to create one using this parameter as + the spider class given to it. + + Returns a :class:`~asyncio.Future` object which completes when the + crawling is finished. + + :param crawler_or_spidercls: already created crawler, or a spider class + or spider's name inside the project to create it + :type crawler_or_spidercls: :class:`~scrapy.crawler.Crawler` instance, + :class:`~scrapy.spiders.Spider` subclass or string + + :param args: arguments to initialize the spider + + :param kwargs: keyword arguments to initialize the spider + """ + if isinstance(crawler_or_spidercls, Spider): + raise ValueError( + "The crawler_or_spidercls argument cannot be a spider object, " + "it must be a spider class (or a Crawler object)" + ) + if not is_asyncio_reactor_installed(): + raise RuntimeError("AsyncCrawlerRunner requires AsyncioSelectorReactor.") + crawler = self.create_crawler(crawler_or_spidercls) + return self._crawl(crawler, *args, **kwargs) + + def _crawl( + self, crawler: Crawler, *args: Any, **kwargs: Any + ) -> asyncio.Future[None]: + self.crawlers.add(crawler) + future = deferred_to_future(crawler.crawl(*args, **kwargs)) + self._active.add(future) + + def _done(_: asyncio.Future[None]) -> None: + self.crawlers.discard(crawler) + self._active.discard(future) + self.bootstrap_failed |= not getattr(crawler, "spider", None) + + future.add_done_callback(_done) + return future + + async def stop(self) -> None: + """ + Stops simultaneously all the crawling jobs taking place. + + Completes when they all have ended. + """ + await deferred_to_future(self._stop()) + + async def join(self) -> None: + """ + Completes when all managed :attr:`crawlers` have completed their + executions. + """ + while self._active: + await asyncio.gather(*self._active) + + class CrawlerProcess(CrawlerRunner): """ A class to run multiple scrapy crawlers in a process simultaneously. @@ -458,7 +561,6 @@ class CrawlerProcess(CrawlerRunner): spidercls = self.spider_loader.load(spidercls) init_reactor = not self._initialized_reactor self._initialized_reactor = True - # temporary cast until self.spider_loader is typed return Crawler(spidercls, self.settings, init_reactor=init_reactor) def start( diff --git a/tests/AsyncCrawlerRunner/multi_parallel.py b/tests/AsyncCrawlerRunner/multi_parallel.py new file mode 100644 index 000000000..f1af9f794 --- /dev/null +++ b/tests/AsyncCrawlerRunner/multi_parallel.py @@ -0,0 +1,28 @@ +from twisted.internet.task import react + +from scrapy import Spider +from scrapy.crawler import AsyncCrawlerRunner +from scrapy.utils.defer import deferred_f_from_coro_f +from scrapy.utils.log import configure_logging +from scrapy.utils.reactor import install_reactor + + +class NoRequestsSpider(Spider): + name = "no_request" + + async def start(self): + return + yield + + +@deferred_f_from_coro_f +async def main(reactor): + configure_logging() + runner = AsyncCrawlerRunner() + runner.crawl(NoRequestsSpider) + runner.crawl(NoRequestsSpider) + await runner.join() + + +install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") +react(main) diff --git a/tests/AsyncCrawlerRunner/multi_seq.py b/tests/AsyncCrawlerRunner/multi_seq.py new file mode 100644 index 000000000..987f7a514 --- /dev/null +++ b/tests/AsyncCrawlerRunner/multi_seq.py @@ -0,0 +1,27 @@ +from twisted.internet.task import react + +from scrapy import Spider +from scrapy.crawler import AsyncCrawlerRunner +from scrapy.utils.defer import deferred_f_from_coro_f +from scrapy.utils.log import configure_logging +from scrapy.utils.reactor import install_reactor + + +class NoRequestsSpider(Spider): + name = "no_request" + + async def start(self): + return + yield + + +@deferred_f_from_coro_f +async def main(reactor): + configure_logging() + runner = AsyncCrawlerRunner() + await runner.crawl(NoRequestsSpider) + await runner.crawl(NoRequestsSpider) + + +install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") +react(main) diff --git a/tests/AsyncCrawlerRunner/simple.py b/tests/AsyncCrawlerRunner/simple.py new file mode 100644 index 000000000..140777b4f --- /dev/null +++ b/tests/AsyncCrawlerRunner/simple.py @@ -0,0 +1,26 @@ +from twisted.internet.task import react + +from scrapy import Spider +from scrapy.crawler import AsyncCrawlerRunner +from scrapy.utils.defer import deferred_f_from_coro_f +from scrapy.utils.log import configure_logging +from scrapy.utils.reactor import install_reactor + + +class NoRequestsSpider(Spider): + name = "no_request" + + async def start(self): + return + yield + + +@deferred_f_from_coro_f +async def main(reactor): + configure_logging() + runner = AsyncCrawlerRunner() + await runner.crawl(NoRequestsSpider) + + +install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") +react(main) diff --git a/tests/AsyncCrawlerRunner/simple_default_reactor.py b/tests/AsyncCrawlerRunner/simple_default_reactor.py new file mode 100644 index 000000000..ae052f188 --- /dev/null +++ b/tests/AsyncCrawlerRunner/simple_default_reactor.py @@ -0,0 +1,24 @@ +from twisted.internet.task import react + +from scrapy import Spider +from scrapy.crawler import AsyncCrawlerRunner +from scrapy.utils.defer import deferred_f_from_coro_f +from scrapy.utils.log import configure_logging + + +class NoRequestsSpider(Spider): + name = "no_request" + + async def start(self): + return + yield + + +@deferred_f_from_coro_f +async def main(reactor): + configure_logging() + runner = AsyncCrawlerRunner() + await runner.crawl(NoRequestsSpider) + + +react(main) diff --git a/tests/CrawlerRunner/explicit_default_reactor.py b/tests/CrawlerRunner/explicit_default_reactor.py new file mode 100644 index 000000000..9eb8a39bb --- /dev/null +++ b/tests/CrawlerRunner/explicit_default_reactor.py @@ -0,0 +1,28 @@ +from twisted.internet.task import react + +from scrapy import Spider +from scrapy.crawler import CrawlerRunner +from scrapy.utils.log import configure_logging + + +class NoRequestsSpider(Spider): + name = "no_request" + + custom_settings = { + "TWISTED_REACTOR": None, + } + + async def start(self): + return + yield + + +def main(reactor): + configure_logging( + {"LOG_FORMAT": "%(levelname)s: %(message)s", "LOG_LEVEL": "DEBUG"} + ) + runner = CrawlerRunner() + return runner.crawl(NoRequestsSpider) + + +react(main) diff --git a/tests/CrawlerRunner/multi_parallel.py b/tests/CrawlerRunner/multi_parallel.py new file mode 100644 index 000000000..51feccd0a --- /dev/null +++ b/tests/CrawlerRunner/multi_parallel.py @@ -0,0 +1,26 @@ +from twisted.internet.task import react + +from scrapy import Spider +from scrapy.crawler import CrawlerRunner +from scrapy.utils.log import configure_logging +from scrapy.utils.reactor import install_reactor + + +class NoRequestsSpider(Spider): + name = "no_request" + + async def start(self): + return + yield + + +def main(reactor): + configure_logging() + runner = CrawlerRunner() + runner.crawl(NoRequestsSpider) + runner.crawl(NoRequestsSpider) + return runner.join() + + +install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") +react(main) diff --git a/tests/CrawlerRunner/multi_seq.py b/tests/CrawlerRunner/multi_seq.py new file mode 100644 index 000000000..f6549be9b --- /dev/null +++ b/tests/CrawlerRunner/multi_seq.py @@ -0,0 +1,27 @@ +from twisted.internet.defer import inlineCallbacks +from twisted.internet.task import react + +from scrapy import Spider +from scrapy.crawler import CrawlerRunner +from scrapy.utils.log import configure_logging +from scrapy.utils.reactor import install_reactor + + +class NoRequestsSpider(Spider): + name = "no_request" + + async def start(self): + return + yield + + +@inlineCallbacks +def main(reactor): + configure_logging() + runner = CrawlerRunner() + yield runner.crawl(NoRequestsSpider) + yield runner.crawl(NoRequestsSpider) + + +install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") +react(main) diff --git a/tests/CrawlerRunner/simple.py b/tests/CrawlerRunner/simple.py new file mode 100644 index 000000000..d154dcde4 --- /dev/null +++ b/tests/CrawlerRunner/simple.py @@ -0,0 +1,24 @@ +from twisted.internet.task import react + +from scrapy import Spider +from scrapy.crawler import CrawlerRunner +from scrapy.utils.log import configure_logging +from scrapy.utils.reactor import install_reactor + + +class NoRequestsSpider(Spider): + name = "no_request" + + async def start(self): + return + yield + + +def main(reactor): + configure_logging() + runner = CrawlerRunner() + return runner.crawl(NoRequestsSpider) + + +install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") +react(main) diff --git a/tests/test_crawler.py b/tests/test_crawler.py index 7a3d562e5..a1d3c02fb 100644 --- a/tests/test_crawler.py +++ b/tests/test_crawler.py @@ -18,11 +18,12 @@ from zope.interface.exceptions import MultipleInvalid import scrapy from scrapy import Spider -from scrapy.crawler import Crawler, CrawlerProcess, CrawlerRunner +from scrapy.crawler import AsyncCrawlerRunner, Crawler, CrawlerProcess, CrawlerRunner from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.extensions.throttle import AutoThrottle from scrapy.settings import Settings, default_settings from scrapy.spiderloader import SpiderLoader +from scrapy.utils.defer import deferred_from_coro from scrapy.utils.log import configure_logging, get_scrapy_root_handler from scrapy.utils.spider import DefaultSpider from scrapy.utils.test import get_crawler, get_reactor_settings @@ -558,6 +559,26 @@ class TestCrawlerRunner(TestBaseCrawler): self.assertOptionIsDefault(runner.settings, "RETRY_ENABLED") +class TestAsyncCrawlerRunner(TestBaseCrawler): + def test_spider_manager_verify_interface(self): + settings = Settings( + { + "SPIDER_LOADER_CLASS": SpiderLoaderWithWrongInterface, + } + ) + with pytest.raises(MultipleInvalid): + AsyncCrawlerRunner(settings) + + def test_crawler_runner_accepts_dict(self): + runner = AsyncCrawlerRunner({"foo": "bar"}) + assert runner.settings["foo"] == "bar" + self.assertOptionIsDefault(runner.settings, "RETRY_ENABLED") + + def test_crawler_runner_accepts_None(self): + runner = AsyncCrawlerRunner() + self.assertOptionIsDefault(runner.settings, "RETRY_ENABLED") + + class TestCrawlerProcess(TestBaseCrawler): def test_crawler_process_accepts_dict(self): runner = CrawlerProcess({"foo": "bar"}) @@ -587,20 +608,25 @@ class NoRequestsSpider(scrapy.Spider): @pytest.mark.usefixtures("reactor_pytest") class TestCrawlerRunnerHasSpider(unittest.TestCase): - def _runner(self): + @staticmethod + def _runner(): return CrawlerRunner(get_reactor_settings()) + @staticmethod + def _crawl(runner, spider): + return runner.crawl(spider) + @inlineCallbacks def test_crawler_runner_bootstrap_successful(self): runner = self._runner() - yield runner.crawl(NoRequestsSpider) + yield self._crawl(runner, NoRequestsSpider) assert not runner.bootstrap_failed @inlineCallbacks def test_crawler_runner_bootstrap_successful_for_several(self): runner = self._runner() - yield runner.crawl(NoRequestsSpider) - yield runner.crawl(NoRequestsSpider) + yield self._crawl(runner, NoRequestsSpider) + yield self._crawl(runner, NoRequestsSpider) assert not runner.bootstrap_failed @inlineCallbacks @@ -608,7 +634,7 @@ class TestCrawlerRunnerHasSpider(unittest.TestCase): runner = self._runner() try: - yield runner.crawl(ExceptionSpider) + yield self._crawl(runner, ExceptionSpider) except ValueError: pass else: @@ -621,13 +647,13 @@ class TestCrawlerRunnerHasSpider(unittest.TestCase): runner = self._runner() try: - yield runner.crawl(ExceptionSpider) + yield self._crawl(runner, ExceptionSpider) except ValueError: pass else: pytest.fail("Exception should be raised from spider") - yield runner.crawl(NoRequestsSpider) + yield self._crawl(runner, NoRequestsSpider) assert runner.bootstrap_failed @@ -643,7 +669,7 @@ class TestCrawlerRunnerHasSpider(unittest.TestCase): Exception, match=r"The installed reactor \(.*?\) does not match the requested one \(.*?\)", ): - yield runner.crawl(NoRequestsSpider) + yield self._crawl(runner, NoRequestsSpider) else: CrawlerRunner( settings={ @@ -652,6 +678,20 @@ class TestCrawlerRunnerHasSpider(unittest.TestCase): ) +@pytest.mark.only_asyncio +class TestAsyncCrawlerRunnerHasSpider(TestCrawlerRunnerHasSpider): + @staticmethod + def _runner(): + return AsyncCrawlerRunner(get_reactor_settings()) + + @staticmethod + def _crawl(runner, spider): + return deferred_from_coro(runner.crawl(spider)) + + def test_crawler_runner_asyncio_enabled_true(self): + pytest.skip("This test is only for CrawlerRunner") + + class ScriptRunnerMixin: script_dir: Path @@ -923,6 +963,48 @@ class TestCrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): class TestCrawlerRunnerSubprocess(ScriptRunnerMixin): script_dir = Path(__file__).parent.resolve() / "CrawlerRunner" + def test_simple(self): + log = self.run_script("simple.py") + assert "Spider closed (finished)" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + in log + ) + + def test_explicit_default_reactor(self): + log = self.run_script("explicit_default_reactor.py") + assert "Spider closed (finished)" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + not in log + ) + + def test_multi_parallel(self): + log = self.run_script("multi_parallel.py") + assert "Spider closed (finished)" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + in log + ) + assert re.search( + r"Spider opened.+Spider opened.+Closing spider.+Closing spider", + log, + re.DOTALL, + ) + + def test_multi_seq(self): + log = self.run_script("multi_seq.py") + assert "Spider closed (finished)" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + in log + ) + assert re.search( + r"Spider opened.+Closing spider.+Spider opened.+Closing spider", + log, + re.DOTALL, + ) + def test_response_ip_address(self): log = self.run_script("ip_address.py") assert "INFO: Spider closed (finished)" in log @@ -939,6 +1021,49 @@ class TestCrawlerRunnerSubprocess(ScriptRunnerMixin): assert "DEBUG: Using asyncio event loop" in log +class TestAsyncCrawlerRunnerSubprocess(ScriptRunnerMixin): + script_dir = Path(__file__).parent.resolve() / "AsyncCrawlerRunner" + + def test_simple(self): + log = self.run_script("simple.py") + assert "Spider closed (finished)" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + in log + ) + + def test_simple_default_reactor(self): + log = self.run_script("simple_default_reactor.py") + assert "Spider closed (finished)" not in log + assert "RuntimeError: AsyncCrawlerRunner requires AsyncioSelectorReactor" in log + + def test_multi_parallel(self): + log = self.run_script("multi_parallel.py") + assert "Spider closed (finished)" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + in log + ) + assert re.search( + r"Spider opened.+Spider opened.+Closing spider.+Closing spider", + log, + re.DOTALL, + ) + + def test_multi_seq(self): + log = self.run_script("multi_seq.py") + assert "Spider closed (finished)" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + in log + ) + assert re.search( + r"Spider opened.+Closing spider.+Spider opened.+Closing spider", + log, + re.DOTALL, + ) + + @pytest.mark.parametrize( ("settings", "items"), [ From 1ddcb568e27cda10db4d0640aa42d020d4624a30 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 15 May 2025 14:18:01 +0500 Subject: [PATCH 461/786] Add send_catch_log_async(). --- docs/topics/signals.rst | 22 +++++++++--------- scrapy/core/engine.py | 12 +++------- scrapy/core/scraper.py | 40 ++++++++++++++------------------- scrapy/extensions/feedexport.py | 4 +--- scrapy/signalmanager.py | 20 ++++++++++++++--- scrapy/utils/signal.py | 38 +++++++++++++++++++++---------- tests/test_utils_signal.py | 39 +++++++++++++++++++++++++++++++- 7 files changed, 113 insertions(+), 62 deletions(-) diff --git a/docs/topics/signals.rst b/docs/topics/signals.rst index 66cb87fc5..59742ffeb 100644 --- a/docs/topics/signals.rst +++ b/docs/topics/signals.rst @@ -46,8 +46,8 @@ Here is a simple example showing how you can catch signals and perform some acti .. _signal-deferred: -Deferred signal handlers -======================== +Asynchronous signal handlers +============================ Some signals support returning :class:`~twisted.internet.defer.Deferred` or :term:`awaitable objects <awaitable>` from their handlers, allowing @@ -114,7 +114,7 @@ engine_started Sent when the Scrapy engine has started crawling. - This signal supports returning deferreds from its handlers. + This signal supports asynchronous handlers. .. note:: This signal may be fired *after* the :signal:`spider_opened` signal, depending on how the spider was started. So **don't** rely on this signal @@ -129,7 +129,7 @@ engine_stopped Sent when the Scrapy engine is stopped (for example, when a crawling process has finished). - This signal supports returning deferreds from its handlers. + This signal supports asynchronous handlers. scheduler_empty ~~~~~~~~~~~~~~~ @@ -164,7 +164,7 @@ item_scraped Sent when an item has been scraped, after it has passed all the :ref:`topics-item-pipeline` stages (without being dropped). - This signal supports returning deferreds from its handlers. + This signal supports asynchronous handlers. :param item: the scraped item :type item: :ref:`item object <item-types>` @@ -185,7 +185,7 @@ item_dropped Sent after an item has been dropped from the :ref:`topics-item-pipeline` when some stage raised a :exc:`~scrapy.exceptions.DropItem` exception. - This signal supports returning deferreds from its handlers. + This signal supports asynchronous handlers. :param item: the item dropped from the :ref:`topics-item-pipeline` :type item: :ref:`item object <item-types>` @@ -211,7 +211,7 @@ item_error Sent when a :ref:`topics-item-pipeline` generates an error (i.e. raises an exception), except :exc:`~scrapy.exceptions.DropItem` exception. - This signal supports returning deferreds from its handlers. + This signal supports asynchronous handlers. :param item: the item that caused the error in the :ref:`topics-item-pipeline` :type item: :ref:`item object <item-types>` @@ -239,7 +239,7 @@ spider_closed Sent after a spider has been closed. This can be used to release per-spider resources reserved on :signal:`spider_opened`. - This signal supports returning deferreds from its handlers. + This signal supports asynchronous handlers. :param spider: the spider which has been closed :type spider: :class:`~scrapy.Spider` object @@ -263,7 +263,7 @@ spider_opened reserve per-spider resources, but can be used for any task that needs to be performed when a spider is opened. - This signal supports returning deferreds from its handlers. + This signal supports asynchronous handlers. :param spider: the spider which has been opened :type spider: :class:`~scrapy.Spider` object @@ -332,7 +332,7 @@ feed_slot_closed Sent when a :ref:`feed exports <topics-feed-exports>` slot is closed. - This signal supports returning deferreds from its handlers. + This signal supports asynchronous handlers. :param slot: the slot closed :type slot: scrapy.extensions.feedexport.FeedSlot @@ -348,7 +348,7 @@ feed_exporter_closed during the handling of the :signal:`spider_closed` signal by the extension, after all feed exporting has been handled. - This signal supports returning deferreds from its handlers. + This signal supports asynchronous handlers. Request signals diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index 658f6e774..b0d9a5452 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -127,9 +127,7 @@ class ExecutionEngine: if self.running: raise RuntimeError("Engine already running") self.start_time = time() - await maybe_deferred_to_future( - self.signals.send_catch_log_deferred(signal=signals.engine_started) - ) + await self.signals.send_catch_log_async(signal=signals.engine_started) self.running = True self._closewait: Deferred[None] = Deferred() if _start_request_processing: @@ -141,9 +139,7 @@ class ExecutionEngine: @deferred_f_from_coro_f async def _finish_stopping_engine(_: Any) -> None: - await maybe_deferred_to_future( - self.signals.send_catch_log_deferred(signal=signals.engine_stopped) - ) + await self.signals.send_catch_log_async(signal=signals.engine_stopped) self._closewait.callback(None) if not self.running: @@ -415,9 +411,7 @@ class ExecutionEngine: await maybe_deferred_to_future(self.scraper.open_spider(spider)) assert self.crawler.stats self.crawler.stats.open_spider(spider) - await maybe_deferred_to_future( - self.signals.send_catch_log_deferred(signals.spider_opened, spider=spider) - ) + await self.signals.send_catch_log_async(signals.spider_opened, spider=spider) def _spider_idle(self) -> None: """ diff --git a/scrapy/core/scraper.py b/scrapy/core/scraper.py index 2c48a9a81..9fc1d20ed 100644 --- a/scrapy/core/scraper.py +++ b/scrapy/core/scraper.py @@ -392,14 +392,12 @@ class Scraper: logger.log( *logformatter_adapter(logkws), extra={"spider": self.crawler.spider} ) - await maybe_deferred_to_future( - self.signals.send_catch_log_deferred( - signal=signals.item_dropped, - item=item, - response=response, - spider=self.crawler.spider, - exception=ex, - ) + await self.signals.send_catch_log_async( + signal=signals.item_dropped, + item=item, + response=response, + spider=self.crawler.spider, + exception=ex, ) except Exception as ex: logkws = self.logformatter.item_error( @@ -410,14 +408,12 @@ class Scraper: extra={"spider": self.crawler.spider}, exc_info=True, ) - await maybe_deferred_to_future( - self.signals.send_catch_log_deferred( - signal=signals.item_error, - item=item, - response=response, - spider=self.crawler.spider, - failure=Failure(), - ) + await self.signals.send_catch_log_async( + signal=signals.item_error, + item=item, + response=response, + spider=self.crawler.spider, + failure=Failure(), ) else: logkws = self.logformatter.scraped(output, response, self.crawler.spider) @@ -425,13 +421,11 @@ class Scraper: logger.log( *logformatter_adapter(logkws), extra={"spider": self.crawler.spider} ) - await maybe_deferred_to_future( - self.signals.send_catch_log_deferred( - signal=signals.item_scraped, - item=output, - response=response, - spider=self.crawler.spider, - ) + await self.signals.send_catch_log_async( + signal=signals.item_scraped, + item=output, + response=response, + spider=self.crawler.spider, ) finally: self.slot.itemproc_size -= 1 diff --git a/scrapy/extensions/feedexport.py b/scrapy/extensions/feedexport.py index 8bcd4e40d..c39a9c92e 100644 --- a/scrapy/extensions/feedexport.py +++ b/scrapy/extensions/feedexport.py @@ -531,9 +531,7 @@ class FeedExporter: await maybe_deferred_to_future(DeferredList(self._pending_deferreds)) # Send FEED_EXPORTER_CLOSED signal - await maybe_deferred_to_future( - self.crawler.signals.send_catch_log_deferred(signals.feed_exporter_closed) - ) + await self.crawler.signals.send_catch_log_async(signals.feed_exporter_closed) def _close_slot(self, slot: FeedSlot, spider: Spider) -> Deferred[None] | None: def get_file(slot_: FeedSlot) -> IO[bytes]: diff --git a/scrapy/signalmanager.py b/scrapy/signalmanager.py index f8c50b5e3..7fd172535 100644 --- a/scrapy/signalmanager.py +++ b/scrapy/signalmanager.py @@ -53,11 +53,10 @@ class SignalManager: self, signal: Any, **kwargs: Any ) -> Deferred[list[tuple[Any, Any]]]: """ - Like :meth:`send_catch_log` but supports returning - :class:`~twisted.internet.defer.Deferred` objects from signal handlers. + Like :meth:`send_catch_log` but supports asynchronous signal handlers. Returns a Deferred that gets fired once all signal handlers - deferreds were fired. Send a signal, catch exceptions and log them. + have finished. Send a signal, catch exceptions and log them. The keyword arguments are passed to the signal handlers (connected through the :meth:`connect` method). @@ -65,6 +64,21 @@ class SignalManager: kwargs.setdefault("sender", self.sender) return _signal.send_catch_log_deferred(signal, **kwargs) + async def send_catch_log_async( + self, signal: Any, **kwargs: Any + ) -> list[tuple[Any, Any]]: + """ + Like :meth:`send_catch_log` but supports asynchronous signal handlers. + + Returns a coroutine that completes once all signal handlers + have finished. Send a signal, catch exceptions and log them. + + The keyword arguments are passed to the signal handlers (connected + through the :meth:`connect` method). + """ + kwargs.setdefault("sender", self.sender) + return await _signal.send_catch_log_async(signal, **kwargs) + def disconnect_all(self, signal: Any, **kwargs: Any) -> None: """ Disconnect all receivers from the given signal. diff --git a/scrapy/utils/signal.py b/scrapy/utils/signal.py index 5fd176a3f..d6b0a671b 100644 --- a/scrapy/utils/signal.py +++ b/scrapy/utils/signal.py @@ -3,7 +3,7 @@ from __future__ import annotations import logging -from collections.abc import Sequence +from collections.abc import Generator, Sequence from typing import Any as TypingAny from pydispatch.dispatcher import ( @@ -14,11 +14,11 @@ from pydispatch.dispatcher import ( liveReceivers, ) from pydispatch.robustapply import robustApply -from twisted.internet.defer import Deferred, DeferredList +from twisted.internet.defer import Deferred, DeferredList, inlineCallbacks from twisted.python.failure import Failure from scrapy.exceptions import StopDownload -from scrapy.utils.defer import maybeDeferred_coro +from scrapy.utils.defer import maybe_deferred_to_future, maybeDeferred_coro from scrapy.utils.log import failure_to_exc_info logger = logging.getLogger(__name__) @@ -66,18 +66,19 @@ def send_catch_log( return responses +@inlineCallbacks def send_catch_log_deferred( signal: TypingAny = Any, sender: TypingAny = Anonymous, *arguments: TypingAny, **named: TypingAny, -) -> Deferred[list[tuple[TypingAny, TypingAny]]]: - """Like send_catch_log but supports returning deferreds on signal handlers. - Returns a deferred that gets fired once all signal handlers deferreds were - fired. +) -> Generator[Deferred[TypingAny], TypingAny, list[tuple[TypingAny, TypingAny]]]: + """Like send_catch_log but supports asynchronous signal handlers. + + Returns a deferred that gets fired once all signal handlers have finished. """ - def logerror(failure: Failure, recv: Any) -> Failure: + def logerror(failure: Failure, recv: TypingAny) -> Failure: if dont_log is None or not isinstance(failure.value, dont_log): logger.error( "Error caught on signal handler: %(receiver)s", @@ -103,11 +104,24 @@ def send_catch_log_deferred( ) ) dfds.append(d2) - dl = DeferredList(dfds) - d3: Deferred[list[tuple[TypingAny, TypingAny]]] = dl.addCallback( - lambda out: [x[1] for x in out] + + results = yield DeferredList(dfds) + return [result[1] for result in results] + + +async def send_catch_log_async( + signal: TypingAny = Any, + sender: TypingAny = Anonymous, + *arguments: TypingAny, + **named: TypingAny, +) -> list[tuple[TypingAny, TypingAny]]: + """Like send_catch_log but supports asynchronous signal handlers. + + Returns a coroutine that completes once all signal handlers have finished. + """ + return await maybe_deferred_to_future( + send_catch_log_deferred(signal, sender, *arguments, **named) ) - return d3 def disconnect_all(signal: TypingAny = Any, sender: TypingAny = Any) -> None: diff --git a/tests/test_utils_signal.py b/tests/test_utils_signal.py index 751a77031..6dff321da 100644 --- a/tests/test_utils_signal.py +++ b/tests/test_utils_signal.py @@ -7,7 +7,12 @@ from twisted.internet import defer, reactor from twisted.python.failure import Failure from twisted.trial import unittest -from scrapy.utils.signal import send_catch_log, send_catch_log_deferred +from scrapy.utils.defer import deferred_from_coro +from scrapy.utils.signal import ( + send_catch_log, + send_catch_log_async, + send_catch_log_deferred, +) from scrapy.utils.test import get_from_asyncio_queue @@ -85,6 +90,38 @@ class SendCatchLogDeferredAsyncioTest(SendCatchLogDeferredTest): return await get_from_asyncio_queue("OK") +class SendCatchLogAsyncTest(TestSendCatchLog): + def _get_result(self, signal, *a, **kw): + return deferred_from_coro(send_catch_log_async(signal, *a, **kw)) + + +class SendCatchLogAsyncTest2(SendCatchLogAsyncTest): + def ok_handler(self, arg, handlers_called): + handlers_called.add(self.ok_handler) + assert arg == "test" + d = defer.Deferred() + reactor.callLater(0, d.callback, "OK") + return d + + +@pytest.mark.usefixtures("reactor_pytest") +class SendCatchLogAsyncAsyncDefTest(SendCatchLogAsyncTest): + async def ok_handler(self, arg, handlers_called): + handlers_called.add(self.ok_handler) + assert arg == "test" + await defer.succeed(42) + return "OK" + + +@pytest.mark.only_asyncio +class SendCatchLogAsyncAsyncioTest(SendCatchLogAsyncTest): + async def ok_handler(self, arg, handlers_called): + handlers_called.add(self.ok_handler) + assert arg == "test" + await asyncio.sleep(0.2) + return await get_from_asyncio_queue("OK") + + class TestSendCatchLog2: def test_error_logged_if_deferred_not_supported(self): def test_handler(): From bf1bfaaa3e584b085f78e9f89ab03c22cfbb3e59 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 15 May 2025 20:02:38 +0500 Subject: [PATCH 462/786] Slight improvements for the signal docs. --- docs/topics/signals.rst | 66 ++++++++++++++++++++++------------------- scrapy/signalmanager.py | 6 ++-- scrapy/utils/signal.py | 10 ++++--- 3 files changed, 46 insertions(+), 36 deletions(-) diff --git a/docs/topics/signals.rst b/docs/topics/signals.rst index 59742ffeb..a815ffb43 100644 --- a/docs/topics/signals.rst +++ b/docs/topics/signals.rst @@ -60,6 +60,7 @@ Let's take an example using :ref:`coroutines <topics-coroutines>`: .. code-block:: python import scrapy + import treq class SignalSpider(scrapy.Spider): @@ -103,6 +104,7 @@ Built-in signals reference Here's the list of Scrapy built-in signals and their meaning. + Engine signals -------------- @@ -114,7 +116,7 @@ engine_started Sent when the Scrapy engine has started crawling. - This signal supports asynchronous handlers. + This signal supports :ref:`asynchronous handlers <signal-deferred>`. .. note:: This signal may be fired *after* the :signal:`spider_opened` signal, depending on how the spider was started. So **don't** rely on this signal @@ -129,7 +131,7 @@ engine_stopped Sent when the Scrapy engine is stopped (for example, when a crawling process has finished). - This signal supports asynchronous handlers. + This signal supports :ref:`asynchronous handlers <signal-deferred>`. scheduler_empty ~~~~~~~~~~~~~~~ @@ -144,6 +146,9 @@ scheduler_empty See :ref:`start-requests-lazy` for an example. + This signal does not support :ref:`asynchronous handlers <signal-deferred>`. + + Item signals ------------ @@ -164,7 +169,7 @@ item_scraped Sent when an item has been scraped, after it has passed all the :ref:`topics-item-pipeline` stages (without being dropped). - This signal supports asynchronous handlers. + This signal supports :ref:`asynchronous handlers <signal-deferred>`. :param item: the scraped item :type item: :ref:`item object <item-types>` @@ -185,7 +190,7 @@ item_dropped Sent after an item has been dropped from the :ref:`topics-item-pipeline` when some stage raised a :exc:`~scrapy.exceptions.DropItem` exception. - This signal supports asynchronous handlers. + This signal supports :ref:`asynchronous handlers <signal-deferred>`. :param item: the item dropped from the :ref:`topics-item-pipeline` :type item: :ref:`item object <item-types>` @@ -211,7 +216,7 @@ item_error Sent when a :ref:`topics-item-pipeline` generates an error (i.e. raises an exception), except :exc:`~scrapy.exceptions.DropItem` exception. - This signal supports asynchronous handlers. + This signal supports :ref:`asynchronous handlers <signal-deferred>`. :param item: the item that caused the error in the :ref:`topics-item-pipeline` :type item: :ref:`item object <item-types>` @@ -227,6 +232,7 @@ item_error :param failure: the exception raised :type failure: twisted.python.failure.Failure + Spider signals -------------- @@ -239,7 +245,7 @@ spider_closed Sent after a spider has been closed. This can be used to release per-spider resources reserved on :signal:`spider_opened`. - This signal supports asynchronous handlers. + This signal supports :ref:`asynchronous handlers <signal-deferred>`. :param spider: the spider which has been closed :type spider: :class:`~scrapy.Spider` object @@ -263,7 +269,7 @@ spider_opened reserve per-spider resources, but can be used for any task that needs to be performed when a spider is opened. - This signal supports asynchronous handlers. + This signal supports :ref:`asynchronous handlers <signal-deferred>`. :param spider: the spider which has been opened :type spider: :class:`~scrapy.Spider` object @@ -294,16 +300,16 @@ spider_idle accordingly (e.g. setting it to 'too_few_results' instead of 'finished'). - This signal does not support returning deferreds from its handlers. + This signal does not support :ref:`asynchronous handlers <signal-deferred>`. :param spider: the spider which has gone idle :type spider: :class:`~scrapy.Spider` object -.. note:: Scheduling some requests in your :signal:`spider_idle` handler does - **not** guarantee that it can prevent the spider from being closed, - although it sometimes can. That's because the spider may still remain idle - if all the scheduled requests are rejected by the scheduler (e.g. filtered - due to duplication). + .. note:: Scheduling some requests in your :signal:`spider_idle` handler does + **not** guarantee that it can prevent the spider from being closed, + although it sometimes can. That's because the spider may still remain idle + if all the scheduled requests are rejected by the scheduler (e.g. filtered + due to duplication). spider_error ~~~~~~~~~~~~ @@ -313,7 +319,7 @@ spider_error Sent when a spider callback generates an error (i.e. raises an exception). - This signal does not support returning deferreds from its handlers. + This signal does not support :ref:`asynchronous handlers <signal-deferred>`. :param failure: the exception raised :type failure: twisted.python.failure.Failure @@ -332,12 +338,11 @@ feed_slot_closed Sent when a :ref:`feed exports <topics-feed-exports>` slot is closed. - This signal supports asynchronous handlers. + This signal supports :ref:`asynchronous handlers <signal-deferred>`. :param slot: the slot closed :type slot: scrapy.extensions.feedexport.FeedSlot - feed_exporter_closed ~~~~~~~~~~~~~~~~~~~~ @@ -348,7 +353,7 @@ feed_exporter_closed during the handling of the :signal:`spider_closed` signal by the extension, after all feed exporting has been handled. - This signal supports asynchronous handlers. + This signal supports :ref:`asynchronous handlers <signal-deferred>`. Request signals @@ -367,7 +372,7 @@ request_scheduled Raise :exc:`~scrapy.exceptions.IgnoreRequest` to drop a request before it reaches the scheduler. - This signal does not support returning deferreds from its handlers. + This signal does not support :ref:`asynchronous handlers <signal-deferred>`. .. versionadded:: 2.11.2 Allow dropping requests with :exc:`~scrapy.exceptions.IgnoreRequest`. @@ -387,7 +392,7 @@ request_dropped Sent when a :class:`~scrapy.Request`, scheduled by the engine to be downloaded later, is rejected by the scheduler. - This signal does not support returning deferreds from its handlers. + This signal does not support :ref:`asynchronous handlers <signal-deferred>`. :param request: the request that reached the scheduler :type request: :class:`~scrapy.Request` object @@ -403,7 +408,7 @@ request_reached_downloader Sent when a :class:`~scrapy.Request` reached downloader. - This signal does not support returning deferreds from its handlers. + This signal does not support :ref:`asynchronous handlers <signal-deferred>`. :param request: the request that reached downloader :type request: :class:`~scrapy.Request` object @@ -422,7 +427,7 @@ request_left_downloader Sent when a :class:`~scrapy.Request` leaves the downloader, even in case of failure. - This signal does not support returning deferreds from its handlers. + This signal does not support :ref:`asynchronous handlers <signal-deferred>`. :param request: the request that reached the downloader :type request: :class:`~scrapy.Request` object @@ -433,11 +438,11 @@ request_left_downloader bytes_received ~~~~~~~~~~~~~~ -.. versionadded:: 2.2 - .. signal:: bytes_received .. function:: bytes_received(data, request, spider) + .. versionadded:: 2.2 + Sent by the HTTP 1.1 and S3 download handlers when a group of bytes is received for a specific request. This signal might be fired multiple times for the same request, with partial data each time. For instance, @@ -449,7 +454,7 @@ bytes_received exception. Please refer to the :ref:`topics-stop-response-download` topic for additional information and examples. - This signal does not support returning deferreds from its handlers. + This signal does not support :ref:`asynchronous handlers <signal-deferred>`. :param data: the data received by the download handler :type data: :class:`bytes` object @@ -463,11 +468,11 @@ bytes_received headers_received ~~~~~~~~~~~~~~~~ -.. versionadded:: 2.5 - .. signal:: headers_received .. function:: headers_received(headers, body_length, request, spider) + .. versionadded:: 2.5 + Sent by the HTTP 1.1 and S3 download handlers when the response headers are available for a given request, before downloading any additional content. @@ -476,7 +481,7 @@ headers_received exception. Please refer to the :ref:`topics-stop-response-download` topic for additional information and examples. - This signal does not support returning deferreds from its handlers. + This signal does not support :ref:`asynchronous handlers <signal-deferred>`. :param headers: the headers received by the download handler :type headers: :class:`scrapy.http.headers.Headers` object @@ -490,6 +495,7 @@ headers_received :param spider: the spider associated with the response :type spider: :class:`~scrapy.Spider` object + Response signals ---------------- @@ -502,7 +508,7 @@ response_received Sent when the engine receives a new :class:`~scrapy.http.Response` from the downloader. - This signal does not support returning deferreds from its handlers. + This signal does not support :ref:`asynchronous handlers <signal-deferred>`. :param response: the response received :type response: :class:`~scrapy.http.Response` object @@ -524,9 +530,9 @@ response_downloaded .. signal:: response_downloaded .. function:: response_downloaded(response, request, spider) - Sent by the downloader right after a ``HTTPResponse`` is downloaded. + Sent by the downloader right after a :class:`~scrapy.http.Response` is downloaded. - This signal does not support returning deferreds from its handlers. + This signal does not support :ref:`asynchronous handlers <signal-deferred>`. :param response: the response downloaded :type response: :class:`~scrapy.http.Response` object diff --git a/scrapy/signalmanager.py b/scrapy/signalmanager.py index 7fd172535..283060074 100644 --- a/scrapy/signalmanager.py +++ b/scrapy/signalmanager.py @@ -53,7 +53,8 @@ class SignalManager: self, signal: Any, **kwargs: Any ) -> Deferred[list[tuple[Any, Any]]]: """ - Like :meth:`send_catch_log` but supports asynchronous signal handlers. + Like :meth:`send_catch_log` but supports :ref:`asynchronous signal + handlers <signal-deferred>`. Returns a Deferred that gets fired once all signal handlers have finished. Send a signal, catch exceptions and log them. @@ -68,7 +69,8 @@ class SignalManager: self, signal: Any, **kwargs: Any ) -> list[tuple[Any, Any]]: """ - Like :meth:`send_catch_log` but supports asynchronous signal handlers. + Like :meth:`send_catch_log` but supports :ref:`asynchronous signal + handlers <signal-deferred>`. Returns a coroutine that completes once all signal handlers have finished. Send a signal, catch exceptions and log them. diff --git a/scrapy/utils/signal.py b/scrapy/utils/signal.py index d6b0a671b..552fbaa90 100644 --- a/scrapy/utils/signal.py +++ b/scrapy/utils/signal.py @@ -30,7 +30,7 @@ def send_catch_log( *arguments: TypingAny, **named: TypingAny, ) -> list[tuple[TypingAny, TypingAny]]: - """Like pydispatcher.robust.sendRobust but it also logs errors and returns + """Like ``pydispatcher.robust.sendRobust()`` but it also logs errors and returns Failures instead of exceptions. """ dont_log = named.pop("dont_log", ()) @@ -73,7 +73,8 @@ def send_catch_log_deferred( *arguments: TypingAny, **named: TypingAny, ) -> Generator[Deferred[TypingAny], TypingAny, list[tuple[TypingAny, TypingAny]]]: - """Like send_catch_log but supports asynchronous signal handlers. + """Like :func:`send_catch_log` but supports :ref:`asynchronous signal handlers + <signal-deferred>`. Returns a deferred that gets fired once all signal handlers have finished. """ @@ -115,7 +116,8 @@ async def send_catch_log_async( *arguments: TypingAny, **named: TypingAny, ) -> list[tuple[TypingAny, TypingAny]]: - """Like send_catch_log but supports asynchronous signal handlers. + """Like :func:`send_catch_log` but supports :ref:`asynchronous signal handlers + <signal-deferred>`. Returns a coroutine that completes once all signal handlers have finished. """ @@ -126,7 +128,7 @@ async def send_catch_log_async( def disconnect_all(signal: TypingAny = Any, sender: TypingAny = Any) -> None: """Disconnect all signal handlers. Useful for cleaning up after running - tests + tests. """ for receiver in liveReceivers(getAllReceivers(sender, signal)): disconnect(receiver, signal=signal, sender=sender) From 3c2cd53abb0651f3ac093e71ad340626f72ad0a3 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Thu, 15 May 2025 22:17:37 +0500 Subject: [PATCH 463/786] Skip the doctest. --- docs/topics/signals.rst | 1 + 1 file changed, 1 insertion(+) diff --git a/docs/topics/signals.rst b/docs/topics/signals.rst index a815ffb43..aa27e62dd 100644 --- a/docs/topics/signals.rst +++ b/docs/topics/signals.rst @@ -57,6 +57,7 @@ operation to finish. Let's take an example using :ref:`coroutines <topics-coroutines>`: +.. skip: next .. code-block:: python import scrapy From b9caaf8a63bc3280645dca2788a8c4ed1a556769 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Fri, 16 May 2025 17:13:52 +0500 Subject: [PATCH 464/786] Simplify deferred_from_coro(), add more tests. --- scrapy/utils/defer.py | 34 +++--- tests/test_utils_defer.py | 219 ++++++++++++++++++++++++++++++++++---- 2 files changed, 212 insertions(+), 41 deletions(-) diff --git a/scrapy/utils/defer.py b/scrapy/utils/defer.py index 6e1687f3e..d06397f50 100644 --- a/scrapy/utils/defer.py +++ b/scrapy/utils/defer.py @@ -10,14 +10,13 @@ import warnings from asyncio import Future from collections.abc import Awaitable, Coroutine, Iterable, Iterator from functools import wraps -from types import CoroutineType -from typing import TYPE_CHECKING, Any, Generic, TypeVar, Union, cast, overload +from typing import TYPE_CHECKING, Any, Generic, TypeVar, cast, overload -from twisted.internet import defer from twisted.internet.defer import ( Deferred, DeferredList, - ensureDeferred, + fail, + succeed, ) from twisted.internet.task import Cooperator from twisted.python import failure @@ -315,7 +314,7 @@ def process_parallel( """Return a Deferred with the output of all successful calls to the given callbacks """ - dfds = [defer.succeed(input).addCallback(x, *a, **kw) for x in callbacks] + dfds = [succeed(input).addCallback(x, *a, **kw) for x in callbacks] d: Deferred[list[tuple[bool, _T2]]] = DeferredList( dfds, fireOnOneErrback=True, consumeErrors=True ) @@ -366,27 +365,24 @@ async def aiter_errback( errback(failure.Failure(), *a, **kw) -_CT = TypeVar("_CT", bound=Union[Awaitable, CoroutineType, Future]) +@overload +def deferred_from_coro(o: Awaitable[_T]) -> Deferred[_T]: ... @overload -def deferred_from_coro(o: _CT) -> Deferred: ... +def deferred_from_coro(o: _T2) -> _T2: ... -@overload -def deferred_from_coro(o: _T) -> _T: ... - - -def deferred_from_coro(o: _T) -> Deferred | _T: +def deferred_from_coro(o: Awaitable[_T] | _T2) -> Deferred[_T] | _T2: """Converts a coroutine or other awaitable object into a Deferred, or returns the object as is if it isn't a coroutine.""" if isinstance(o, Deferred): return o - if asyncio.isfuture(o) or inspect.isawaitable(o): + if inspect.isawaitable(o): if not is_asyncio_reactor_installed(): # wrapping the coroutine directly into a Deferred, this doesn't work correctly with coroutines # that use asyncio, e.g. "await asyncio.sleep(1)" - return ensureDeferred(cast(Coroutine[Deferred, Any, Any], o)) + return Deferred.fromCoroutine(cast(Coroutine[Deferred[Any], Any, _T], o)) # wrapping the coroutine into a Future and then into a Deferred, this requires AsyncioSelectorReactor event_loop = _get_asyncio_event_loop() return Deferred.fromFuture(asyncio.ensure_future(o, loop=event_loop)) @@ -394,7 +390,7 @@ def deferred_from_coro(o: _T) -> Deferred | _T: def deferred_f_from_coro_f( - coro_f: Callable[_P, Coroutine[Any, Any, _T]], + coro_f: Callable[_P, Awaitable[_T]], ) -> Callable[_P, Deferred[_T]]: """Converts a coroutine function into a function that returns a Deferred. @@ -403,7 +399,7 @@ def deferred_f_from_coro_f( """ @wraps(coro_f) - def f(*coro_args: _P.args, **coro_kwargs: _P.kwargs) -> Any: + def f(*coro_args: _P.args, **coro_kwargs: _P.kwargs) -> Deferred[_T]: return deferred_from_coro(coro_f(*coro_args, **coro_kwargs)) return f @@ -416,15 +412,15 @@ def maybeDeferred_coro( try: result = f(*args, **kw) except: # noqa: E722 # pylint: disable=bare-except - return defer.fail(failure.Failure(captureVars=Deferred.debug)) + return fail(failure.Failure(captureVars=Deferred.debug)) if isinstance(result, Deferred): return result if asyncio.isfuture(result) or inspect.isawaitable(result): return deferred_from_coro(result) if isinstance(result, failure.Failure): - return defer.fail(result) - return defer.succeed(result) + return fail(result) + return succeed(result) def deferred_to_future(d: Deferred[_T]) -> Future[_T]: diff --git a/tests/test_utils_defer.py b/tests/test_utils_defer.py index 36bd8ced9..29cd5fbf2 100644 --- a/tests/test_utils_defer.py +++ b/tests/test_utils_defer.py @@ -1,7 +1,12 @@ +from __future__ import annotations + +import asyncio import random +from asyncio import Future +from typing import TYPE_CHECKING, Any import pytest -from twisted.internet import defer, reactor +from twisted.internet.defer import Deferred, inlineCallbacks, succeed from twisted.python.failure import Failure from twisted.trial import unittest @@ -9,6 +14,8 @@ from scrapy.utils.asyncgen import as_async_generator, collect_asyncgen from scrapy.utils.defer import ( aiter_errback, deferred_f_from_coro_f, + deferred_from_coro, + deferred_to_future, iter_errback, maybe_deferred_to_future, mustbe_deferred, @@ -17,12 +24,15 @@ from scrapy.utils.defer import ( process_parallel, ) +if TYPE_CHECKING: + from collections.abc import AsyncGenerator, Awaitable, Callable, Generator + class TestMustbeDeferred(unittest.TestCase): - def test_success_function(self): - steps = [] + def test_success_function(self) -> Deferred[list[int]]: + steps: list[int] = [] - def _append(v): + def _append(v: int) -> list[int]: steps.append(v) return steps @@ -31,12 +41,14 @@ class TestMustbeDeferred(unittest.TestCase): steps.append(2) # add another value, that should be caught by assertEqual return dfd - def test_unfired_deferred(self): - steps = [] + def test_unfired_deferred(self) -> Deferred[list[int]]: + steps: list[int] = [] + + def _append(v: int) -> Deferred[list[int]]: + from twisted.internet import reactor - def _append(v): steps.append(v) - dfd = defer.Deferred() + dfd: Deferred[list[int]] = Deferred() reactor.callLater(0, dfd.callback, steps) return dfd @@ -51,7 +63,7 @@ def cb1(value, arg1, arg2): def cb2(value, arg1, arg2): - return defer.succeed(f"(cb2 {value} {arg1} {arg2})") + return succeed(f"(cb2 {value} {arg1} {arg2})") def cb3(value, arg1, arg2): @@ -67,7 +79,7 @@ def eb1(failure, arg1, arg2): class TestDeferUtils(unittest.TestCase): - @defer.inlineCallbacks + @inlineCallbacks def test_process_chain(self): x = yield process_chain([cb1, cb2, cb3], "res", "v1", "v2") assert x == "(cb3 (cb2 (cb1 res v1 v2) v1 v2) v1 v2)" @@ -75,7 +87,7 @@ class TestDeferUtils(unittest.TestCase): with pytest.raises(TypeError): yield process_chain([cb1, cb_fail, cb3], "res", "v1", "v2") - @defer.inlineCallbacks + @inlineCallbacks def test_process_parallel(self): x = yield process_parallel([cb1, cb2, cb3], "res", "v1", "v2") assert x == ["(cb1 res v1 v2)", "(cb2 res v1 v2)", "(cb3 res v1 v2)"] @@ -88,7 +100,7 @@ class TestDeferUtils(unittest.TestCase): class TestIterErrback: def test_iter_errback_good(self): - def itergood(): + def itergood() -> Generator[int, None, None]: yield from range(10) errors = [] @@ -97,7 +109,7 @@ class TestIterErrback: assert not errors def test_iter_errback_bad(self): - def iterbad(): + def iterbad() -> Generator[int, None, None]: for x in range(10): if x == 5: 1 / 0 @@ -113,7 +125,7 @@ class TestIterErrback: class TestAiterErrback(unittest.TestCase): @deferred_f_from_coro_f async def test_aiter_errback_good(self): - async def itergood(): + async def itergood() -> AsyncGenerator[int, None]: for x in range(10): yield x @@ -124,7 +136,7 @@ class TestAiterErrback(unittest.TestCase): @deferred_f_from_coro_f async def test_iter_errback_bad(self): - async def iterbad(): + async def iterbad() -> AsyncGenerator[int, None]: for x in range(10): if x == 5: 1 / 0 @@ -168,10 +180,12 @@ class TestAsyncCooperator(unittest.TestCase): CONCURRENT_ITEMS = 50 @staticmethod - def callable(o, results): + def callable(o: int, results: list[int]) -> Deferred[None] | None: + from twisted.internet import reactor + if random.random() < 0.4: # simulate async processing - dfd = defer.Deferred() + dfd: Deferred[None] = Deferred() dfd.addCallback(lambda _: results.append(o)) delay = random.random() / 8 reactor.callLater(delay, dfd.callback, None) @@ -181,22 +195,24 @@ class TestAsyncCooperator(unittest.TestCase): return None @staticmethod - def get_async_iterable(length): + def get_async_iterable(length: int) -> AsyncGenerator[int, None]: # simulate a simple callback without delays between results return as_async_generator(range(length)) @staticmethod - async def get_async_iterable_with_delays(length): + async def get_async_iterable_with_delays(length: int) -> AsyncGenerator[int, None]: # simulate a callback with delays between some of the results + from twisted.internet import reactor + for i in range(length): if random.random() < 0.1: - dfd = defer.Deferred() + dfd: Deferred[None] = Deferred() delay = random.random() / 20 reactor.callLater(delay, dfd.callback, None) await maybe_deferred_to_future(dfd) yield i - @defer.inlineCallbacks + @inlineCallbacks def test_simple(self): for length in [20, 50, 100]: results = [] @@ -205,7 +221,7 @@ class TestAsyncCooperator(unittest.TestCase): yield dl assert list(range(length)) == sorted(results) - @defer.inlineCallbacks + @inlineCallbacks def test_delays(self): for length in [20, 50, 100]: results = [] @@ -213,3 +229,162 @@ class TestAsyncCooperator(unittest.TestCase): dl = parallel_async(ait, self.CONCURRENT_ITEMS, self.callable, results) yield dl assert list(range(length)) == sorted(results) + + +class TestDeferredFromCoro(unittest.TestCase): + def test_deferred(self): + d = Deferred() + result = deferred_from_coro(d) + assert isinstance(result, Deferred) + assert result is d + + def test_object(self): + result = deferred_from_coro(42) + assert result == 42 + + @inlineCallbacks + def test_coroutine(self): + async def coroutine() -> int: + return 42 + + result = deferred_from_coro(coroutine()) + assert isinstance(result, Deferred) + coro_result = yield result + assert coro_result == 42 + + @pytest.mark.only_asyncio + @inlineCallbacks + def test_coroutine_asyncio(self): + async def coroutine() -> int: + await asyncio.sleep(0) + return 42 + + result = deferred_from_coro(coroutine()) + assert isinstance(result, Deferred) + coro_result = yield result + assert coro_result == 42 + + @pytest.mark.only_asyncio + @inlineCallbacks + def test_future(self): + future = Future() + result = deferred_from_coro(future) + assert isinstance(result, Deferred) + future.set_result(42) + future_result = yield result + assert future_result == 42 + + +class TestDeferredFFromCoroF(unittest.TestCase): + @inlineCallbacks + def _assert_result( + self, c_f: Callable[[], Awaitable[int]] + ) -> Generator[Deferred[Any], Any, None]: + d_f = deferred_f_from_coro_f(c_f) + d = d_f() + assert isinstance(d, Deferred) + result = yield d + assert result == 42 + + @inlineCallbacks + def test_coroutine(self): + async def c_f() -> int: + return 42 + + yield self._assert_result(c_f) + + @inlineCallbacks + def test_coroutine_asyncio(self): + async def c_f() -> int: + return 42 + + yield self._assert_result(c_f) + + @pytest.mark.only_asyncio + @inlineCallbacks + def test_future(self): + def c_f() -> Future[int]: + f: Future[int] = Future() + f.set_result(42) + return f + + yield self._assert_result(c_f) + + +class TestDeferredToFuture(unittest.TestCase): + @deferred_f_from_coro_f + async def test_deferred(self): + d = Deferred() + result = deferred_to_future(d) + assert isinstance(result, Future) + d.callback(42) + future_result = await result + assert future_result == 42 + + @deferred_f_from_coro_f + async def test_wrapped_coroutine(self): + async def c_f() -> int: + return 42 + + d = deferred_from_coro(c_f()) + result = deferred_to_future(d) + assert isinstance(result, Future) + future_result = await result + assert future_result == 42 + + @pytest.mark.only_asyncio + @deferred_f_from_coro_f + async def test_wrapped_coroutine_asyncio(self): + async def c_f() -> int: + await asyncio.sleep(0) + return 42 + + d = deferred_from_coro(c_f()) + result = maybe_deferred_to_future(d) + assert isinstance(result, Future) + future_result = await result + assert future_result == 42 + + +@pytest.mark.only_asyncio +class TestMaybeDeferredToFutureAsyncio(unittest.TestCase): + @deferred_f_from_coro_f + async def test_deferred(self): + d = Deferred() + result = maybe_deferred_to_future(d) + assert isinstance(result, Future) + d.callback(42) + future_result = await result + assert future_result == 42 + + @deferred_f_from_coro_f + async def test_wrapped_coroutine(self): + async def c_f() -> int: + return 42 + + d = deferred_from_coro(c_f()) + result = maybe_deferred_to_future(d) + assert isinstance(result, Future) + future_result = await result + assert future_result == 42 + + @deferred_f_from_coro_f + async def test_wrapped_coroutine_asyncio(self): + async def c_f() -> int: + await asyncio.sleep(0) + return 42 + + d = deferred_from_coro(c_f()) + result = maybe_deferred_to_future(d) + assert isinstance(result, Future) + future_result = await result + assert future_result == 42 + + +@pytest.mark.only_not_asyncio +class TestMaybeDeferredToFutureNotAsyncio: + def test_deferred(self): + d = Deferred() + result = maybe_deferred_to_future(d) + assert isinstance(result, Deferred) + assert result is d From ff7d29654a975c12bfcf6d1b7719bd861ed6d8be Mon Sep 17 00:00:00 2001 From: Keval Sakhiya <37344767+kevalsakhiya@users.noreply.github.com> Date: Tue, 20 May 2025 11:21:31 +0530 Subject: [PATCH 465/786] Fix typo in documentation and code: 'needs_backoff' -> 'needs_backout' (#6815) Corrected the typo in the code and documentation where 'needs_backoff' was incorrectly used instead of 'needs_backout'. --- docs/topics/spiders.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/topics/spiders.rst b/docs/topics/spiders.rst index 891c4da05..8240d5d4b 100644 --- a/docs/topics/spiders.rst +++ b/docs/topics/spiders.rst @@ -388,7 +388,7 @@ its iteration whenever there are scheduled requests: async def start(self): async for item_or_request in super().start(): - if self.crawler.engine.needs_backoff(): + if self.crawler.engine.needs_backout(): await self.crawler.signals.wait_for(signals.scheduler_empty) yield item_or_request From f2fc177f1fb954480922301749cf00ee79eebb97 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Fri, 23 May 2025 14:06:33 +0500 Subject: [PATCH 466/786] Fix a wrong versionadded usage. (#6822) --- docs/topics/coroutines.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/topics/coroutines.rst b/docs/topics/coroutines.rst index 00812ed7f..2c0df5e0f 100644 --- a/docs/topics/coroutines.rst +++ b/docs/topics/coroutines.rst @@ -21,7 +21,7 @@ hence use coroutine syntax (e.g. ``await``, ``async for``, ``async with``): - The :meth:`~scrapy.spiders.Spider.start` spider method, which *must* be defined as an :term:`asynchronous generator`. - .. versionadded: 2.13 + .. versionadded:: 2.13 - :class:`~scrapy.Request` callbacks. From 816d23da306e9fce0e55a933002fa7737f06fa64 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 27 May 2025 00:31:28 +0500 Subject: [PATCH 467/786] Make the release notes work better on PyPI. (#6826) --- pyproject.toml | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/pyproject.toml b/pyproject.toml index 85fba0f92..47707e061 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -58,8 +58,7 @@ Homepage = "https://scrapy.org/" Documentation = "https://docs.scrapy.org/" Source = "https://github.com/scrapy/scrapy" Tracker = "https://github.com/scrapy/scrapy/issues" -Changelog = "https://github.com/scrapy/scrapy/commits/master/" -releasenotes = "https://docs.scrapy.org/en/latest/news.html" +"Release notes" = "https://docs.scrapy.org/en/latest/news.html" [project.scripts] scrapy = "scrapy.cmdline:execute" From 9d92d16510b8c82d529abf1662bce3e16ee293ed Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= <adrian@chaves.io> Date: Tue, 27 May 2025 08:32:24 +0200 Subject: [PATCH 468/786] Prioritize other requests over start requests --- scrapy/core/scheduler.py | 4 ++-- scrapy/pqueues.py | 30 +++++++++++++++++------------- tests/test_engine_loop.py | 20 ++++++++++---------- 3 files changed, 29 insertions(+), 25 deletions(-) diff --git a/scrapy/core/scheduler.py b/scrapy/core/scheduler.py index 57d27b7cf..9ac447289 100644 --- a/scrapy/core/scheduler.py +++ b/scrapy/core/scheduler.py @@ -173,8 +173,8 @@ class Scheduler(BaseScheduler): :ref:`Start requests <start-requests>` are sent in the order they are yielded from :meth:`~scrapy.Spider.start`, and given the same - :attr:`~scrapy.http.Request.priority`, start requests take precedence over - other requests. + :attr:`~scrapy.http.Request.priority`, other requests take precedence over + start requests. You can set :setting:`SCHEDULER_START_MEMORY_QUEUE` and :setting:`SCHEDULER_START_DISK_QUEUE` to ``None`` to handle start requests diff --git a/scrapy/pqueues.py b/scrapy/pqueues.py index e6c6b8bf1..34b235d83 100644 --- a/scrapy/pqueues.py +++ b/scrapy/pqueues.py @@ -160,28 +160,32 @@ class ScrapyPriorityQueue: def pop(self) -> Request | None: while self.curprio is not None: - if self._start_queues: - try: - q = self._start_queues[self.curprio] - except KeyError: - pass - else: - m = q.pop() - if not q: - del self._start_queues[self.curprio] - q.close() - return m try: q = self.queues[self.curprio] except KeyError: - self._update_curprio() + pass else: m = q.pop() if not q: del self.queues[self.curprio] q.close() - self._update_curprio() + if not self._start_queues: + self._update_curprio() return m + if self._start_queues: + try: + q = self._start_queues[self.curprio] + except KeyError: + self._update_curprio() + else: + m = q.pop() + if not q: + del self._start_queues[self.curprio] + q.close() + self._update_curprio() + return m + else: + self._update_curprio() return None def _update_curprio(self) -> None: diff --git a/tests/test_engine_loop.py b/tests/test_engine_loop.py index 90af10f0e..c7dbc82d4 100644 --- a/tests/test_engine_loop.py +++ b/tests/test_engine_loop.py @@ -189,9 +189,9 @@ class RequestSendOrderTestCase(TestCase): @deferred_f_from_coro_f async def test_default(self): - """By default, start requests take priority over callback requests and + """By default, callback requests take priority over start requests and are sent in order. Priority matters, but given the same priority, a - start request takes precedence.""" + callback request takes precedence.""" nums = [1, 2, 3, 4, 5, 6] response_seconds = 0 download_slots = 1 @@ -207,13 +207,13 @@ class RequestSendOrderTestCase(TestCase): yield _request(1) for request in ( - _request(4, priority=1), - _request(6), + _request(2, priority=1), + _request(5), ): spider.crawler.engine._slot.scheduler.enqueue_request(request) - yield _request(5) - yield _request(2, priority=1) + yield _request(6) yield _request(3, priority=1) + yield _request(4, priority=1) def parse(spider, response): return @@ -249,13 +249,13 @@ class RequestSendOrderTestCase(TestCase): yield _request(1) for request in ( - _request(4, priority=1), - _request(6), + _request(2, priority=1), + _request(5), ): spider.crawler.engine._slot.scheduler.enqueue_request(request) - yield _request(5) + yield _request(6) + yield _request(4, priority=1) yield _request(3, priority=1) - yield _request(2, priority=1) def parse(spider, response): return From 05529f3017a6327ba4553c2af422f2e5f02c7d43 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= <adrian@chaves.io> Date: Tue, 27 May 2025 08:44:18 +0200 Subject: [PATCH 469/786] Release notes for Scrapy 2.13.1 --- docs/news.rst | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/docs/news.rst b/docs/news.rst index cf1c35893..eb5370b6e 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -3,6 +3,22 @@ Release notes ============= +.. _release-2.13.1: + +Scrapy 2.13.1 (unreleased) +-------------------------- + +- Give callback requests precedence over start requests when priority values + are the same. + + This makes changes from 2.13.0 to start request handling more intuitive and + backward compatible. For scenarios where all requests have the same + priorities, in 2.13.0 all start requests were sent before the first + callback request. In 2.13.1, same as in 2.12 and lower, start requests are + only sent when there are not enough pending callback requests to reach + concurrency limits. + + .. _release-2.13.0: Scrapy 2.13.0 (2025-05-08) From f28be27423d720a59dcd7194df26c935fcc7e416 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 13 May 2025 12:22:28 +0400 Subject: [PATCH 470/786] Add a deepwiki badge, update other badges. (#6793) --- README.rst | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/README.rst b/README.rst index cf7c6043c..29488d825 100644 --- a/README.rst +++ b/README.rst @@ -17,19 +17,14 @@ Scrapy :target: https://github.com/scrapy/scrapy/actions?query=workflow%3AUbuntu :alt: Ubuntu -.. .. image:: https://github.com/scrapy/scrapy/workflows/macOS/badge.svg - .. :target: https://github.com/scrapy/scrapy/actions?query=workflow%3AmacOS - .. :alt: macOS - +.. image:: https://github.com/scrapy/scrapy/workflows/macOS/badge.svg + :target: https://github.com/scrapy/scrapy/actions?query=workflow%3AmacOS + :alt: macOS .. image:: https://github.com/scrapy/scrapy/workflows/Windows/badge.svg :target: https://github.com/scrapy/scrapy/actions?query=workflow%3AWindows :alt: Windows -.. image:: https://img.shields.io/badge/wheel-yes-brightgreen.svg - :target: https://pypi.org/pypi/Scrapy - :alt: Wheel Status - .. image:: https://img.shields.io/codecov/c/github/scrapy/scrapy/master.svg :target: https://codecov.io/github/scrapy/scrapy?branch=master :alt: Coverage report @@ -38,6 +33,10 @@ Scrapy :target: https://anaconda.org/conda-forge/scrapy :alt: Conda Version +.. image:: https://deepwiki.com/badge.svg + :target: https://deepwiki.com/scrapy/scrapy + :alt: Ask DeepWiki + Overview ======== From 43087fe1df5b3209bcc65dabd1831067d1a29711 Mon Sep 17 00:00:00 2001 From: Keval Sakhiya <37344767+kevalsakhiya@users.noreply.github.com> Date: Tue, 20 May 2025 11:21:31 +0530 Subject: [PATCH 471/786] Fix typo in documentation and code: 'needs_backoff' -> 'needs_backout' (#6815) Corrected the typo in the code and documentation where 'needs_backoff' was incorrectly used instead of 'needs_backout'. --- docs/topics/spiders.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/topics/spiders.rst b/docs/topics/spiders.rst index 891c4da05..8240d5d4b 100644 --- a/docs/topics/spiders.rst +++ b/docs/topics/spiders.rst @@ -388,7 +388,7 @@ its iteration whenever there are scheduled requests: async def start(self): async for item_or_request in super().start(): - if self.crawler.engine.needs_backoff(): + if self.crawler.engine.needs_backout(): await self.crawler.signals.wait_for(signals.scheduler_empty) yield item_or_request From 06dec081254e19950eb00fcb6979fe8b7c342ee8 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Fri, 23 May 2025 14:06:33 +0500 Subject: [PATCH 472/786] Fix a wrong versionadded usage. (#6822) --- docs/topics/coroutines.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/topics/coroutines.rst b/docs/topics/coroutines.rst index 00812ed7f..2c0df5e0f 100644 --- a/docs/topics/coroutines.rst +++ b/docs/topics/coroutines.rst @@ -21,7 +21,7 @@ hence use coroutine syntax (e.g. ``await``, ``async for``, ``async with``): - The :meth:`~scrapy.spiders.Spider.start` spider method, which *must* be defined as an :term:`asynchronous generator`. - .. versionadded: 2.13 + .. versionadded:: 2.13 - :class:`~scrapy.Request` callbacks. From 597320856776c2b6e44fc3a45a97d6524c64d464 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 27 May 2025 00:31:28 +0500 Subject: [PATCH 473/786] Make the release notes work better on PyPI. (#6826) --- pyproject.toml | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/pyproject.toml b/pyproject.toml index 85fba0f92..47707e061 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -58,8 +58,7 @@ Homepage = "https://scrapy.org/" Documentation = "https://docs.scrapy.org/" Source = "https://github.com/scrapy/scrapy" Tracker = "https://github.com/scrapy/scrapy/issues" -Changelog = "https://github.com/scrapy/scrapy/commits/master/" -releasenotes = "https://docs.scrapy.org/en/latest/news.html" +"Release notes" = "https://docs.scrapy.org/en/latest/news.html" [project.scripts] scrapy = "scrapy.cmdline:execute" From e3f82afaf1ab12ac8f5915dfb0b926391bc81f52 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= <adrian@chaves.io> Date: Tue, 27 May 2025 10:01:00 +0200 Subject: [PATCH 474/786] Add a test for ScrapyPriorityQueue pop order --- tests/test_pqueues.py | 54 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/tests/test_pqueues.py b/tests/test_pqueues.py index d5c710ed2..b65f1b7e7 100644 --- a/tests/test_pqueues.py +++ b/tests/test_pqueues.py @@ -7,6 +7,7 @@ from scrapy.http.request import Request from scrapy.pqueues import DownloaderAwarePriorityQueue, ScrapyPriorityQueue from scrapy.spiders import Spider from scrapy.squeues import FifoMemoryQueue +from scrapy.utils.misc import build_from_crawler, load_object from scrapy.utils.test import get_crawler from tests.test_scheduler import MockDownloader, MockEngine @@ -155,3 +156,56 @@ class TestDownloaderAwarePriorityQueue: assert self.queue.peek().url == req3.url assert self.queue.pop().url == req3.url assert self.queue.peek() is None + + +@pytest.mark.parametrize( + ("input", "output"), + [ + # By default, start requests are FIFO, other requests are LIFO. + ([{}, {}], [2, 1]), + ([{"start": True}, {"start": True}], [1, 2]), + # Priority matters. + ([{"priority": 1}, {"start": True}], [1, 2]), + ([{}, {"start": True, "priority": 1}], [2, 1]), + # For the same priority, start requests pop last. + ([{}, {"start": True}], [1, 2]), + ([{"start": True}, {}], [2, 1]), + ], +) +def test_pop_order(input, output): + def make_url(index): + return f"https://toscrape.com/{index}" + + def make_request(index, data): + meta = {} + if data.get("start", False): + meta["is_start_request"] = True + return Request( + url=make_url(index), + priority=data.get("priority", 0), + meta=meta, + ) + + input_requests = [ + make_request(index, data) for index, data in enumerate(input, start=1) + ] + expected_output_urls = [make_url(index) for index in output] + + crawler = get_crawler(Spider) + settings = crawler.settings + queue = build_from_crawler( + ScrapyPriorityQueue, + crawler, + downstream_queue_cls=load_object(settings["SCHEDULER_MEMORY_QUEUE"]), + key="", + start_queue_cls=load_object(settings["SCHEDULER_START_MEMORY_QUEUE"]), + ) + + for request in input_requests: + queue.push(request) + + actual_output_urls = [] + while request := queue.pop(): + actual_output_urls.append(request.url) + + assert actual_output_urls == expected_output_urls From b41aea4873319df15ccb9145a4940ff1702d123a Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin <wrar@wrar.name> Date: Tue, 27 May 2025 18:19:47 +0500 Subject: [PATCH 475/786] Restructure download handler tests. (#6821) * Restructure download handler tests. * Typo. * Use mixins to reduce boilerplate. --- .../test_downloader_handler_twisted_http10.py | 46 ++ .../test_downloader_handler_twisted_http11.py | 69 ++ ... test_downloader_handler_twisted_http2.py} | 108 ++- tests/test_downloader_handlers.py | 719 +----------------- tests/test_downloader_handlers_http_base.py | 698 +++++++++++++++++ 5 files changed, 862 insertions(+), 778 deletions(-) create mode 100644 tests/test_downloader_handler_twisted_http10.py create mode 100644 tests/test_downloader_handler_twisted_http11.py rename tests/{test_downloader_handlers_http2.py => test_downloader_handler_twisted_http2.py} (73%) create mode 100644 tests/test_downloader_handlers_http_base.py diff --git a/tests/test_downloader_handler_twisted_http10.py b/tests/test_downloader_handler_twisted_http10.py new file mode 100644 index 000000000..807c8c4cb --- /dev/null +++ b/tests/test_downloader_handler_twisted_http10.py @@ -0,0 +1,46 @@ +"""Tests for scrapy.core.downloader.handlers.http10.HTTP10DownloadHandler.""" + +from __future__ import annotations + +from typing import TYPE_CHECKING + +import pytest + +from scrapy.core.downloader.handlers.http10 import HTTP10DownloadHandler +from scrapy.http import Request +from scrapy.spiders import Spider +from tests.test_downloader_handlers_http_base import TestHttpBase, TestHttpProxyBase + +if TYPE_CHECKING: + from scrapy.core.downloader.handlers import DownloadHandlerProtocol + + +class HTTP10DownloadHandlerMixin: + @property + def download_handler_cls(self) -> type[DownloadHandlerProtocol]: + return HTTP10DownloadHandler + + +@pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") +class TestHttp10(HTTP10DownloadHandlerMixin, TestHttpBase): + """HTTP 1.0 test case""" + + def test_protocol(self): + request = Request(self.getURL("host"), method="GET") + d = self.download_request(request, Spider("foo")) + d.addCallback(lambda r: r.protocol) + d.addCallback(self.assertEqual, "HTTP/1.0") + return d + + +class TestHttps10(TestHttp10): + scheme = "https" + + +@pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") +class TestHttp10Proxy(HTTP10DownloadHandlerMixin, TestHttpProxyBase): + def test_download_with_proxy_https_timeout(self): + pytest.skip("Not implemented") + + def test_download_with_proxy_without_http_scheme(self): + pytest.skip("Not implemented") diff --git a/tests/test_downloader_handler_twisted_http11.py b/tests/test_downloader_handler_twisted_http11.py new file mode 100644 index 000000000..70f55e787 --- /dev/null +++ b/tests/test_downloader_handler_twisted_http11.py @@ -0,0 +1,69 @@ +"""Tests for scrapy.core.downloader.handlers.http11.HTTP11DownloadHandler.""" + +from __future__ import annotations + +from typing import TYPE_CHECKING, Any + +from scrapy.core.downloader.handlers.http11 import HTTP11DownloadHandler +from tests.test_downloader_handlers_http_base import ( + TestHttp11Base, + TestHttpMockServerBase, + TestHttpProxyBase, + TestHttps11Base, + TestHttpsCustomCiphersBase, + TestHttpsInvalidDNSIdBase, + TestHttpsInvalidDNSPatternBase, + TestHttpsWrongHostnameBase, + TestSimpleHttpsBase, +) + +if TYPE_CHECKING: + from scrapy.core.downloader.handlers import DownloadHandlerProtocol + + +class HTTP11DownloadHandlerMixin: + @property + def download_handler_cls(self) -> type[DownloadHandlerProtocol]: + return HTTP11DownloadHandler + + +class TestHttp11(HTTP11DownloadHandlerMixin, TestHttp11Base): + pass + + +class TestHttps11(HTTP11DownloadHandlerMixin, TestHttps11Base): + pass + + +class TestSimpleHttps(HTTP11DownloadHandlerMixin, TestSimpleHttpsBase): + pass + + +class Https11WrongHostnameTestCase( + HTTP11DownloadHandlerMixin, TestHttpsWrongHostnameBase +): + pass + + +class Https11InvalidDNSId(HTTP11DownloadHandlerMixin, TestHttpsInvalidDNSIdBase): + pass + + +class Https11InvalidDNSPattern( + HTTP11DownloadHandlerMixin, TestHttpsInvalidDNSPatternBase +): + pass + + +class Https11CustomCiphers(HTTP11DownloadHandlerMixin, TestHttpsCustomCiphersBase): + pass + + +class TestHttp11MockServer(TestHttpMockServerBase): + @property + def settings_dict(self) -> dict[str, Any] | None: + return None # default handler settings + + +class TestHttp11Proxy(HTTP11DownloadHandlerMixin, TestHttpProxyBase): + pass diff --git a/tests/test_downloader_handlers_http2.py b/tests/test_downloader_handler_twisted_http2.py similarity index 73% rename from tests/test_downloader_handlers_http2.py rename to tests/test_downloader_handler_twisted_http2.py index c74c09cbb..46322a747 100644 --- a/tests/test_downloader_handlers_http2.py +++ b/tests/test_downloader_handler_twisted_http2.py @@ -1,4 +1,9 @@ +"""Tests for scrapy.core.downloader.handlers.http2.H2DownloadHandler.""" + +from __future__ import annotations + import json +from typing import TYPE_CHECKING, Any from unittest import mock import pytest @@ -8,60 +13,42 @@ from twisted.web import server from twisted.web.error import SchemeNotSupported from twisted.web.http import H2_ENABLED -from scrapy.core.downloader.handlers import DownloadHandlerProtocol from scrapy.http import Request from scrapy.spiders import Spider from scrapy.utils.misc import build_from_crawler from scrapy.utils.test import get_crawler from tests.mockserver import ssl_context_factory -from tests.test_downloader_handlers import ( +from tests.test_downloader_handlers_http_base import ( + TestHttpMockServerBase, + TestHttpProxyBase, + TestHttps11Base, + TestHttpsCustomCiphersBase, + TestHttpsInvalidDNSIdBase, + TestHttpsInvalidDNSPatternBase, + TestHttpsWrongHostnameBase, UriResource, ) +if TYPE_CHECKING: + from scrapy.core.downloader.handlers import DownloadHandlerProtocol + + pytestmark = pytest.mark.skipif( not H2_ENABLED, reason="HTTP/2 support in Twisted is not enabled" ) -class BaseTestClasses: - # A hack to prevent tests from the imported classes to run here too. - # See https://stackoverflow.com/q/1323455/113586 for other ways. - from tests.test_downloader_handlers import ( - TestHttp11MockServer as TestHttp11MockServer, - ) - from tests.test_downloader_handlers import ( - TestHttp11Proxy as TestHttp11Proxy, - ) - from tests.test_downloader_handlers import ( - TestHttps11 as TestHttps11, - ) - from tests.test_downloader_handlers import ( - TestHttps11CustomCiphers as TestHttps11CustomCiphers, - ) - from tests.test_downloader_handlers import ( - TestHttps11InvalidDNSId as TestHttps11InvalidDNSId, - ) - from tests.test_downloader_handlers import ( - TestHttps11InvalidDNSPattern as TestHttps11InvalidDNSPattern, - ) - from tests.test_downloader_handlers import ( - TestHttps11WrongHostname as TestHttps11WrongHostname, - ) - - -def _get_dh() -> type[DownloadHandlerProtocol]: - from scrapy.core.downloader.handlers.http2 import H2DownloadHandler - - return H2DownloadHandler - - -class TestHttps2(BaseTestClasses.TestHttps11): - scheme = "https" - HTTP2_DATALOSS_SKIP_REASON = "Content-Length mismatch raises InvalidBodyLengthError" - +class H2DownloadHandlerMixin: @property def download_handler_cls(self) -> type[DownloadHandlerProtocol]: - return _get_dh() + # the import can fail when H2_ENABLED is False + from scrapy.core.downloader.handlers.http2 import H2DownloadHandler + + return H2DownloadHandler + + +class TestHttps2(H2DownloadHandlerMixin, TestHttps11Base): + HTTP2_DATALOSS_SKIP_REASON = "Content-Length mismatch raises InvalidBodyLengthError" def test_protocol(self): request = Request(self.getURL("host"), method="GET") @@ -179,42 +166,37 @@ class TestHttps2(BaseTestClasses.TestHttps11): return d -class Https2WrongHostnameTestCase(BaseTestClasses.TestHttps11WrongHostname): - @property - def download_handler_cls(self) -> type[DownloadHandlerProtocol]: - return _get_dh() +class Https2WrongHostnameTestCase(H2DownloadHandlerMixin, TestHttpsWrongHostnameBase): + pass -class Https2InvalidDNSId(BaseTestClasses.TestHttps11InvalidDNSId): - @property - def download_handler_cls(self) -> type[DownloadHandlerProtocol]: - return _get_dh() +class Https2InvalidDNSId(H2DownloadHandlerMixin, TestHttpsInvalidDNSIdBase): + pass -class Https2InvalidDNSPattern(BaseTestClasses.TestHttps11InvalidDNSPattern): - @property - def download_handler_cls(self) -> type[DownloadHandlerProtocol]: - return _get_dh() +class Https2InvalidDNSPattern(H2DownloadHandlerMixin, TestHttpsInvalidDNSPatternBase): + pass -class Https2CustomCiphers(BaseTestClasses.TestHttps11CustomCiphers): - @property - def download_handler_cls(self) -> type[DownloadHandlerProtocol]: - return _get_dh() +class Https2CustomCiphers(H2DownloadHandlerMixin, TestHttpsCustomCiphersBase): + pass -class Http2MockServerTestCase(BaseTestClasses.TestHttp11MockServer): +class Http2MockServerTestCase(TestHttpMockServerBase): """HTTP 2.0 test case with MockServer""" - settings_dict = { - "DOWNLOAD_HANDLERS": { - "https": "scrapy.core.downloader.handlers.http2.H2DownloadHandler" + @property + def settings_dict(self) -> dict[str, Any] | None: + return { + "DOWNLOAD_HANDLERS": { + "https": "scrapy.core.downloader.handlers.http2.H2DownloadHandler" + } } - } + is_secure = True -class Https2ProxyTestCase(BaseTestClasses.TestHttp11Proxy): +class Https2ProxyTestCase(H2DownloadHandlerMixin, TestHttpProxyBase): # only used for HTTPS tests keyfile = "keys/localhost.key" certfile = "keys/localhost.crt" @@ -224,10 +206,6 @@ class Https2ProxyTestCase(BaseTestClasses.TestHttp11Proxy): expected_http_proxy_request_body = b"/" - @property - def download_handler_cls(self) -> type[DownloadHandlerProtocol]: - return _get_dh() - def setUp(self): site = server.Site(UriResource(), timeout=None) self.port = reactor.listenSSL( diff --git a/tests/test_downloader_handlers.py b/tests/test_downloader_handlers.py index bc18e76e1..fc6ac5aee 100644 --- a/tests/test_downloader_handlers.py +++ b/tests/test_downloader_handlers.py @@ -1,52 +1,35 @@ +"""Tests for DownloadHandlers and for specific non-HTTP download handlers.""" + from __future__ import annotations import contextlib import os import shutil import sys -from abc import ABC, abstractmethod from pathlib import Path from tempfile import mkdtemp, mkstemp -from unittest import SkipTest, mock +from unittest import mock import pytest -from testfixtures import LogCapture from twisted.cred import checkers, credentials, portal -from twisted.internet import defer, error, reactor +from twisted.internet import reactor from twisted.protocols.ftp import FTPFactory, FTPRealm -from twisted.protocols.policies import WrappingFactory from twisted.trial import unittest -from twisted.web import resource, server, static, util -from twisted.web.client import ResponseFailed -from twisted.web.http import _DataLoss from w3lib.url import path_to_file_uri -from scrapy.core.downloader.handlers import DownloadHandlerProtocol, DownloadHandlers +from scrapy.core.downloader.handlers import DownloadHandlers from scrapy.core.downloader.handlers.datauri import DataURIDownloadHandler from scrapy.core.downloader.handlers.file import FileDownloadHandler from scrapy.core.downloader.handlers.ftp import FTPDownloadHandler -from scrapy.core.downloader.handlers.http10 import HTTP10DownloadHandler -from scrapy.core.downloader.handlers.http11 import HTTP11DownloadHandler from scrapy.core.downloader.handlers.s3 import S3DownloadHandler from scrapy.exceptions import NotConfigured -from scrapy.http import Headers, HtmlResponse, Request +from scrapy.http import HtmlResponse, Request from scrapy.http.response.text import TextResponse from scrapy.responsetypes import responsetypes from scrapy.spiders import Spider from scrapy.utils.misc import build_from_crawler from scrapy.utils.python import to_bytes from scrapy.utils.test import get_crawler -from tests import NON_EXISTING_RESOLVABLE -from tests.mockserver import ( - Echo, - ForeverTakingResource, - HostHeaderResource, - MockServer, - NoLengthResource, - PayloadResource, - ssl_context_factory, -) -from tests.spiders import SingleRequestSpider class DummyDH: @@ -137,696 +120,6 @@ class TestFile(unittest.TestCase): return self.assertFailure(d, OSError) -class ContentLengthHeaderResource(resource.Resource): - """ - A testing resource which renders itself as the value of the Content-Length - header from the request. - """ - - def render(self, request): - return request.requestHeaders.getRawHeaders(b"content-length")[0] - - -class ChunkedResource(resource.Resource): - def render(self, request): - def response(): - request.write(b"chunked ") - request.write(b"content\n") - request.finish() - - reactor.callLater(0, response) - return server.NOT_DONE_YET - - -class BrokenChunkedResource(resource.Resource): - def render(self, request): - def response(): - request.write(b"chunked ") - request.write(b"content\n") - # Disable terminating chunk on finish. - request.chunked = False - closeConnection(request) - - reactor.callLater(0, response) - return server.NOT_DONE_YET - - -class BrokenDownloadResource(resource.Resource): - def render(self, request): - def response(): - request.setHeader(b"Content-Length", b"20") - request.write(b"partial") - closeConnection(request) - - reactor.callLater(0, response) - return server.NOT_DONE_YET - - -def closeConnection(request): - # We have to force a disconnection for HTTP/1.1 clients. Otherwise - # client keeps the connection open waiting for more data. - request.channel.loseConnection() - request.finish() - - -class EmptyContentTypeHeaderResource(resource.Resource): - """ - A testing resource which renders itself as the value of request body - without content-type header in response. - """ - - def render(self, request): - request.setHeader("content-type", "") - return request.content.read() - - -class LargeChunkedFileResource(resource.Resource): - def render(self, request): - def response(): - for i in range(1024): - request.write(b"x" * 1024) - request.finish() - - reactor.callLater(0, response) - return server.NOT_DONE_YET - - -class DuplicateHeaderResource(resource.Resource): - def render(self, request): - request.responseHeaders.setRawHeaders(b"Set-Cookie", [b"a=b", b"c=d"]) - return b"" - - -class TestHttp(unittest.TestCase, ABC): - scheme = "http" - - # only used for HTTPS tests - keyfile = "keys/localhost.key" - certfile = "keys/localhost.crt" - - @property - @abstractmethod - def download_handler_cls(self) -> type[DownloadHandlerProtocol]: - raise NotImplementedError - - def setUp(self): - self.tmpname = Path(mkdtemp()) - (self.tmpname / "file").write_bytes(b"0123456789") - r = static.File(str(self.tmpname)) - r.putChild(b"redirect", util.Redirect(b"/file")) - r.putChild(b"wait", ForeverTakingResource()) - r.putChild(b"hang-after-headers", ForeverTakingResource(write=True)) - r.putChild(b"nolength", NoLengthResource()) - r.putChild(b"host", HostHeaderResource()) - r.putChild(b"payload", PayloadResource()) - r.putChild(b"broken", BrokenDownloadResource()) - r.putChild(b"chunked", ChunkedResource()) - r.putChild(b"broken-chunked", BrokenChunkedResource()) - r.putChild(b"contentlength", ContentLengthHeaderResource()) - r.putChild(b"nocontenttype", EmptyContentTypeHeaderResource()) - r.putChild(b"largechunkedfile", LargeChunkedFileResource()) - r.putChild(b"duplicate-header", DuplicateHeaderResource()) - r.putChild(b"echo", Echo()) - self.site = server.Site(r, timeout=None) - self.wrapper = WrappingFactory(self.site) - self.host = "localhost" - if self.scheme == "https": - # Using WrappingFactory do not enable HTTP/2 failing all the - # tests with H2DownloadHandler - self.port = reactor.listenSSL( - 0, - self.site, - ssl_context_factory(self.keyfile, self.certfile), - interface=self.host, - ) - else: - self.port = reactor.listenTCP(0, self.wrapper, interface=self.host) - self.portno = self.port.getHost().port - self.download_handler = build_from_crawler( - self.download_handler_cls, get_crawler() - ) - self.download_request = self.download_handler.download_request - - @defer.inlineCallbacks - def tearDown(self): - yield self.port.stopListening() - if hasattr(self.download_handler, "close"): - yield self.download_handler.close() - shutil.rmtree(self.tmpname) - - def getURL(self, path): - return f"{self.scheme}://{self.host}:{self.portno}/{path}" - - def test_download(self): - request = Request(self.getURL("file")) - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.body) - d.addCallback(self.assertEqual, b"0123456789") - return d - - def test_download_head(self): - request = Request(self.getURL("file"), method="HEAD") - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.body) - d.addCallback(self.assertEqual, b"") - return d - - def test_redirect_status(self): - request = Request(self.getURL("redirect")) - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.status) - d.addCallback(self.assertEqual, 302) - return d - - def test_redirect_status_head(self): - request = Request(self.getURL("redirect"), method="HEAD") - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.status) - d.addCallback(self.assertEqual, 302) - return d - - @defer.inlineCallbacks - def test_timeout_download_from_spider_nodata_rcvd(self): - if self.reactor_pytest != "default" and sys.platform == "win32": - # https://twistedmatrix.com/trac/ticket/10279 - raise unittest.SkipTest( - "This test produces DirtyReactorAggregateError on Windows with asyncio" - ) - - # client connects but no data is received - spider = Spider("foo") - meta = {"download_timeout": 0.5} - request = Request(self.getURL("wait"), meta=meta) - d = self.download_request(request, spider) - yield self.assertFailure(d, defer.TimeoutError, error.TimeoutError) - - @defer.inlineCallbacks - def test_timeout_download_from_spider_server_hangs(self): - if self.reactor_pytest != "default" and sys.platform == "win32": - # https://twistedmatrix.com/trac/ticket/10279 - raise unittest.SkipTest( - "This test produces DirtyReactorAggregateError on Windows with asyncio" - ) - # client connects, server send headers and some body bytes but hangs - spider = Spider("foo") - meta = {"download_timeout": 0.5} - request = Request(self.getURL("hang-after-headers"), meta=meta) - d = self.download_request(request, spider) - yield self.assertFailure(d, defer.TimeoutError, error.TimeoutError) - - def test_host_header_not_in_request_headers(self): - def _test(response): - assert response.body == to_bytes(f"{self.host}:{self.portno}") - assert not request.headers - - request = Request(self.getURL("host")) - return self.download_request(request, Spider("foo")).addCallback(_test) - - def test_host_header_seted_in_request_headers(self): - host = self.host + ":" + str(self.portno) - - def _test(response): - assert response.body == host.encode() - assert request.headers.get("Host") == host.encode() - - request = Request(self.getURL("host"), headers={"Host": host}) - return self.download_request(request, Spider("foo")).addCallback(_test) - - def test_content_length_zero_bodyless_post_request_headers(self): - """Tests if "Content-Length: 0" is sent for bodyless POST requests. - - This is not strictly required by HTTP RFCs but can cause trouble - for some web servers. - See: - https://github.com/scrapy/scrapy/issues/823 - https://issues.apache.org/jira/browse/TS-2902 - https://github.com/kennethreitz/requests/issues/405 - https://bugs.python.org/issue14721 - """ - - def _test(response): - assert response.body == b"0" - - request = Request(self.getURL("contentlength"), method="POST") - return self.download_request(request, Spider("foo")).addCallback(_test) - - def test_content_length_zero_bodyless_post_only_one(self): - def _test(response): - import json - - headers = Headers(json.loads(response.text)["headers"]) - contentlengths = headers.getlist("Content-Length") - assert len(contentlengths) == 1 - assert contentlengths == [b"0"] - - request = Request(self.getURL("echo"), method="POST") - return self.download_request(request, Spider("foo")).addCallback(_test) - - def test_payload(self): - body = b"1" * 100 # PayloadResource requires body length to be 100 - request = Request(self.getURL("payload"), method="POST", body=body) - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.body) - d.addCallback(self.assertEqual, body) - return d - - def test_response_header_content_length(self): - request = Request(self.getURL("file"), method=b"GET") - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.headers[b"content-length"]) - d.addCallback(self.assertEqual, b"159") - return d - - def _test_response_class(self, filename, body, response_class): - def _test(response): - assert type(response) is response_class # pylint: disable=unidiomatic-typecheck - - request = Request(self.getURL(filename), body=body) - return self.download_request(request, Spider("foo")).addCallback(_test) - - def test_response_class_from_url(self): - return self._test_response_class("foo.html", b"", HtmlResponse) - - def test_response_class_from_body(self): - return self._test_response_class( - "foo", - b"<!DOCTYPE html>\n<title>.", - HtmlResponse, - ) - - def test_get_duplicate_header(self): - def _test(response): - assert response.headers.getlist(b"Set-Cookie") == [b"a=b", b"c=d"] - - request = Request(self.getURL("duplicate-header")) - return self.download_request(request, Spider("foo")).addCallback(_test) - - -@pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") -class TestHttp10(TestHttp): - """HTTP 1.0 test case""" - - @property - def download_handler_cls(self) -> type[DownloadHandlerProtocol]: - return HTTP10DownloadHandler - - def test_protocol(self): - request = Request(self.getURL("host"), method="GET") - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.protocol) - d.addCallback(self.assertEqual, "HTTP/1.0") - return d - - -class TestHttps10(TestHttp10): - scheme = "https" - - -class TestHttp11(TestHttp): - """HTTP 1.1 test case""" - - @property - def download_handler_cls(self) -> type[DownloadHandlerProtocol]: - return HTTP11DownloadHandler - - def test_download_without_maxsize_limit(self): - request = Request(self.getURL("file")) - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.body) - d.addCallback(self.assertEqual, b"0123456789") - return d - - def test_response_class_choosing_request(self): - """Tests choosing of correct response type - in case of Content-Type is empty but body contains text. - """ - body = b"Some plain text\ndata with tabs\t and null bytes\0" - - def _test_type(response): - assert type(response) is TextResponse # pylint: disable=unidiomatic-typecheck - - request = Request(self.getURL("nocontenttype"), body=body) - d = self.download_request(request, Spider("foo")) - d.addCallback(_test_type) - return d - - @defer.inlineCallbacks - def test_download_with_maxsize(self): - request = Request(self.getURL("file")) - - # 10 is minimal size for this request and the limit is only counted on - # response body. (regardless of headers) - d = self.download_request(request, Spider("foo", download_maxsize=10)) - d.addCallback(lambda r: r.body) - d.addCallback(self.assertEqual, b"0123456789") - yield d - - d = self.download_request(request, Spider("foo", download_maxsize=9)) - yield self.assertFailure(d, defer.CancelledError, error.ConnectionAborted) - - @defer.inlineCallbacks - def test_download_with_maxsize_very_large_file(self): - with mock.patch("scrapy.core.downloader.handlers.http11.logger") as logger: - request = Request(self.getURL("largechunkedfile")) - - def check(logger): - logger.warning.assert_called_once_with(mock.ANY, mock.ANY) - - d = self.download_request(request, Spider("foo", download_maxsize=1500)) - yield self.assertFailure(d, defer.CancelledError, error.ConnectionAborted) - - # As the error message is logged in the dataReceived callback, we - # have to give a bit of time to the reactor to process the queue - # after closing the connection. - d = defer.Deferred() - d.addCallback(check) - reactor.callLater(0.1, d.callback, logger) - yield d - - @defer.inlineCallbacks - def test_download_with_maxsize_per_req(self): - meta = {"download_maxsize": 2} - request = Request(self.getURL("file"), meta=meta) - d = self.download_request(request, Spider("foo")) - yield self.assertFailure(d, defer.CancelledError, error.ConnectionAborted) - - @defer.inlineCallbacks - def test_download_with_small_maxsize_per_spider(self): - request = Request(self.getURL("file")) - d = self.download_request(request, Spider("foo", download_maxsize=2)) - yield self.assertFailure(d, defer.CancelledError, error.ConnectionAborted) - - def test_download_with_large_maxsize_per_spider(self): - request = Request(self.getURL("file")) - d = self.download_request(request, Spider("foo", download_maxsize=100)) - d.addCallback(lambda r: r.body) - d.addCallback(self.assertEqual, b"0123456789") - return d - - def test_download_chunked_content(self): - request = Request(self.getURL("chunked")) - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.body) - d.addCallback(self.assertEqual, b"chunked content\n") - return d - - def test_download_broken_content_cause_data_loss(self, url="broken"): - request = Request(self.getURL(url)) - d = self.download_request(request, Spider("foo")) - - def checkDataLoss(failure): - if failure.check(ResponseFailed) and any( - r.check(_DataLoss) for r in failure.value.reasons - ): - return None - return failure - - d.addCallback(lambda _: self.fail("No DataLoss exception")) - d.addErrback(checkDataLoss) - return d - - def test_download_broken_chunked_content_cause_data_loss(self): - return self.test_download_broken_content_cause_data_loss("broken-chunked") - - def test_download_broken_content_allow_data_loss(self, url="broken"): - request = Request(self.getURL(url), meta={"download_fail_on_dataloss": False}) - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.flags) - d.addCallback(self.assertEqual, ["dataloss"]) - return d - - def test_download_broken_chunked_content_allow_data_loss(self): - return self.test_download_broken_content_allow_data_loss("broken-chunked") - - def test_download_broken_content_allow_data_loss_via_setting(self, url="broken"): - crawler = get_crawler(settings_dict={"DOWNLOAD_FAIL_ON_DATALOSS": False}) - download_handler = build_from_crawler(self.download_handler_cls, crawler) - request = Request(self.getURL(url)) - d = download_handler.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.flags) - d.addCallback(self.assertEqual, ["dataloss"]) - return d - - def test_download_broken_chunked_content_allow_data_loss_via_setting(self): - return self.test_download_broken_content_allow_data_loss_via_setting( - "broken-chunked" - ) - - def test_protocol(self): - request = Request(self.getURL("host"), method="GET") - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.protocol) - d.addCallback(self.assertEqual, "HTTP/1.1") - return d - - -class TestHttps11(TestHttp11): - scheme = "https" - - tls_log_message = ( - 'SSL connection certificate: issuer "/C=IE/O=Scrapy/CN=localhost", ' - 'subject "/C=IE/O=Scrapy/CN=localhost"' - ) - - @defer.inlineCallbacks - def test_tls_logging(self): - crawler = get_crawler( - settings_dict={"DOWNLOADER_CLIENT_TLS_VERBOSE_LOGGING": True} - ) - download_handler = build_from_crawler(self.download_handler_cls, crawler) - try: - with LogCapture() as log_capture: - request = Request(self.getURL("file")) - d = download_handler.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.body) - d.addCallback(self.assertEqual, b"0123456789") - yield d - log_capture.check_present( - ("scrapy.core.downloader.tls", "DEBUG", self.tls_log_message) - ) - finally: - yield download_handler.close() - - -class TestSimpleHttps(unittest.TestCase): - """Base class for special cases tested with just one simple request""" - - keyfile = "keys/localhost.key" - certfile = "keys/localhost.crt" - cipher_string: str | None = None - - @property - def download_handler_cls(self) -> type[DownloadHandlerProtocol]: - return HTTP11DownloadHandler - - def setUp(self): - self.tmpname = Path(mkdtemp()) - (self.tmpname / "file").write_bytes(b"0123456789") - r = static.File(str(self.tmpname)) - self.site = server.Site(r, timeout=None) - self.host = "localhost" - self.port = reactor.listenSSL( - 0, - self.site, - ssl_context_factory( - self.keyfile, self.certfile, cipher_string=self.cipher_string - ), - interface=self.host, - ) - self.portno = self.port.getHost().port - if self.cipher_string is not None: - settings_dict = {"DOWNLOADER_CLIENT_TLS_CIPHERS": self.cipher_string} - else: - settings_dict = None - crawler = get_crawler(settings_dict=settings_dict) - self.download_handler = build_from_crawler(self.download_handler_cls, crawler) - self.download_request = self.download_handler.download_request - - @defer.inlineCallbacks - def tearDown(self): - yield self.port.stopListening() - if hasattr(self.download_handler, "close"): - yield self.download_handler.close() - shutil.rmtree(self.tmpname) - - def getURL(self, path): - return f"https://{self.host}:{self.portno}/{path}" - - def test_download(self): - request = Request(self.getURL("file")) - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.body) - d.addCallback(self.assertEqual, b"0123456789") - return d - - -class TestHttps11WrongHostname(TestSimpleHttps): - # above tests use a server certificate for "localhost", - # client connection to "localhost" too. - # here we test that even if the server certificate is for another domain, - # "www.example.com" in this case, - # the tests still pass - keyfile = "keys/example-com.key.pem" - certfile = "keys/example-com.cert.pem" - - -class TestHttps11InvalidDNSId(TestSimpleHttps): - """Connect to HTTPS hosts with IP while certificate uses domain names IDs.""" - - def setUp(self): - super().setUp() - self.host = "127.0.0.1" - - -class TestHttps11InvalidDNSPattern(TestSimpleHttps): - """Connect to HTTPS hosts where the certificate are issued to an ip instead of a domain.""" - - keyfile = "keys/localhost.ip.key" - certfile = "keys/localhost.ip.crt" - - -class TestHttps11CustomCiphers(TestSimpleHttps): - cipher_string = "CAMELLIA256-SHA" - - -class TestHttp11MockServer(unittest.TestCase): - """HTTP 1.1 test case with MockServer""" - - settings_dict: dict | None = None - is_secure = False - - @classmethod - def setUpClass(cls): - cls.mockserver = MockServer() - cls.mockserver.__enter__() - - @classmethod - def tearDownClass(cls): - cls.mockserver.__exit__(None, None, None) - - @defer.inlineCallbacks - def test_download_with_content_length(self): - crawler = get_crawler(SingleRequestSpider, self.settings_dict) - # http://localhost:8998/partial set Content-Length to 1024, use download_maxsize= 1000 to avoid - # download it - yield crawler.crawl( - seed=Request( - url=self.mockserver.url("/partial", is_secure=self.is_secure), - meta={"download_maxsize": 1000}, - ) - ) - failure = crawler.spider.meta["failure"] - assert isinstance(failure.value, defer.CancelledError) - - @defer.inlineCallbacks - def test_download(self): - crawler = get_crawler(SingleRequestSpider, self.settings_dict) - yield crawler.crawl( - seed=Request(url=self.mockserver.url("", is_secure=self.is_secure)) - ) - failure = crawler.spider.meta.get("failure") - assert failure is None - reason = crawler.spider.meta["close_reason"] - assert reason == "finished" - - -class UriResource(resource.Resource): - """Return the full uri that was requested""" - - def getChild(self, path, request): - return self - - def render(self, request): - # Note: this is an ugly hack for CONNECT request timeout test. - # Returning some data here fail SSL/TLS handshake - # ToDo: implement proper HTTPS proxy tests, not faking them. - if request.method != b"CONNECT": - return request.uri - return b"" - - -class TestHttpProxy(unittest.TestCase, ABC): - expected_http_proxy_request_body = b"http://example.com" - - @property - @abstractmethod - def download_handler_cls(self) -> type[DownloadHandlerProtocol]: - raise NotImplementedError - - def setUp(self): - site = server.Site(UriResource(), timeout=None) - wrapper = WrappingFactory(site) - self.port = reactor.listenTCP(0, wrapper, interface="127.0.0.1") - self.portno = self.port.getHost().port - self.download_handler = build_from_crawler( - self.download_handler_cls, get_crawler() - ) - self.download_request = self.download_handler.download_request - - @defer.inlineCallbacks - def tearDown(self): - yield self.port.stopListening() - if hasattr(self.download_handler, "close"): - yield self.download_handler.close() - - def getURL(self, path): - return f"http://127.0.0.1:{self.portno}/{path}" - - def test_download_with_proxy(self): - def _test(response): - assert response.status == 200 - assert response.url == request.url - assert response.body == self.expected_http_proxy_request_body - - http_proxy = self.getURL("") - request = Request("http://example.com", meta={"proxy": http_proxy}) - return self.download_request(request, Spider("foo")).addCallback(_test) - - def test_download_without_proxy(self): - def _test(response): - assert response.status == 200 - assert response.url == request.url - assert response.body == b"/path/to/resource" - - request = Request(self.getURL("path/to/resource")) - return self.download_request(request, Spider("foo")).addCallback(_test) - - -@pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") -class TestHttp10Proxy(TestHttpProxy): - @property - def download_handler_cls(self) -> type[DownloadHandlerProtocol]: - return HTTP10DownloadHandler - - -class TestHttp11Proxy(TestHttpProxy): - @property - def download_handler_cls(self) -> type[DownloadHandlerProtocol]: - return HTTP11DownloadHandler - - @defer.inlineCallbacks - def test_download_with_proxy_https_timeout(self): - """Test TunnelingTCP4ClientEndpoint""" - if NON_EXISTING_RESOLVABLE: - raise SkipTest("Non-existing hosts are resolvable") - http_proxy = self.getURL("") - domain = "https://no-such-domain.nosuch" - request = Request(domain, meta={"proxy": http_proxy, "download_timeout": 0.2}) - d = self.download_request(request, Spider("foo")) - timeout = yield self.assertFailure(d, error.TimeoutError) - assert domain in timeout.osError - - def test_download_with_proxy_without_http_scheme(self): - def _test(response): - assert response.status == 200 - assert response.url == request.url - assert response.body == self.expected_http_proxy_request_body - - http_proxy = self.getURL("").replace("http://", "") - request = Request("http://example.com", meta={"proxy": http_proxy}) - return self.download_request(request, Spider("foo")).addCallback(_test) - - class HttpDownloadHandlerMock: def __init__(self, *args, **kwargs): pass diff --git a/tests/test_downloader_handlers_http_base.py b/tests/test_downloader_handlers_http_base.py new file mode 100644 index 000000000..46e5972f7 --- /dev/null +++ b/tests/test_downloader_handlers_http_base.py @@ -0,0 +1,698 @@ +"""Base classes for HTTP download handler tests.""" + +from __future__ import annotations + +import shutil +import sys +from abc import ABC, abstractmethod +from pathlib import Path +from tempfile import mkdtemp +from typing import TYPE_CHECKING, Any +from unittest import mock + +import pytest +from testfixtures import LogCapture +from twisted.internet import defer, error, reactor +from twisted.protocols.policies import WrappingFactory +from twisted.trial import unittest +from twisted.web import resource, server, static, util +from twisted.web._newclient import ResponseFailed +from twisted.web.http import _DataLoss + +from scrapy.http import Headers, HtmlResponse, Request, TextResponse +from scrapy.spiders import Spider +from scrapy.utils.misc import build_from_crawler +from scrapy.utils.python import to_bytes +from scrapy.utils.test import get_crawler +from tests import NON_EXISTING_RESOLVABLE +from tests.mockserver import ( + Echo, + ForeverTakingResource, + HostHeaderResource, + MockServer, + NoLengthResource, + PayloadResource, + ssl_context_factory, +) +from tests.spiders import SingleRequestSpider + +if TYPE_CHECKING: + from scrapy.core.downloader.handlers import DownloadHandlerProtocol + + +class ContentLengthHeaderResource(resource.Resource): + """ + A testing resource which renders itself as the value of the Content-Length + header from the request. + """ + + def render(self, request): + return request.requestHeaders.getRawHeaders(b"content-length")[0] + + +class ChunkedResource(resource.Resource): + def render(self, request): + def response(): + request.write(b"chunked ") + request.write(b"content\n") + request.finish() + + reactor.callLater(0, response) + return server.NOT_DONE_YET + + +class BrokenChunkedResource(resource.Resource): + def render(self, request): + def response(): + request.write(b"chunked ") + request.write(b"content\n") + # Disable terminating chunk on finish. + request.chunked = False + closeConnection(request) + + reactor.callLater(0, response) + return server.NOT_DONE_YET + + +class BrokenDownloadResource(resource.Resource): + def render(self, request): + def response(): + request.setHeader(b"Content-Length", b"20") + request.write(b"partial") + closeConnection(request) + + reactor.callLater(0, response) + return server.NOT_DONE_YET + + +def closeConnection(request): + # We have to force a disconnection for HTTP/1.1 clients. Otherwise + # client keeps the connection open waiting for more data. + request.channel.loseConnection() + request.finish() + + +class EmptyContentTypeHeaderResource(resource.Resource): + """ + A testing resource which renders itself as the value of request body + without content-type header in response. + """ + + def render(self, request): + request.setHeader("content-type", "") + return request.content.read() + + +class LargeChunkedFileResource(resource.Resource): + def render(self, request): + def response(): + for i in range(1024): + request.write(b"x" * 1024) + request.finish() + + reactor.callLater(0, response) + return server.NOT_DONE_YET + + +class DuplicateHeaderResource(resource.Resource): + def render(self, request): + request.responseHeaders.setRawHeaders(b"Set-Cookie", [b"a=b", b"c=d"]) + return b"" + + +class TestHttpBase(unittest.TestCase, ABC): + scheme = "http" + + # only used for HTTPS tests + keyfile = "keys/localhost.key" + certfile = "keys/localhost.crt" + + @property + @abstractmethod + def download_handler_cls(self) -> type[DownloadHandlerProtocol]: + raise NotImplementedError + + def setUp(self): + self.tmpname = Path(mkdtemp()) + (self.tmpname / "file").write_bytes(b"0123456789") + r = static.File(str(self.tmpname)) + r.putChild(b"redirect", util.Redirect(b"/file")) + r.putChild(b"wait", ForeverTakingResource()) + r.putChild(b"hang-after-headers", ForeverTakingResource(write=True)) + r.putChild(b"nolength", NoLengthResource()) + r.putChild(b"host", HostHeaderResource()) + r.putChild(b"payload", PayloadResource()) + r.putChild(b"broken", BrokenDownloadResource()) + r.putChild(b"chunked", ChunkedResource()) + r.putChild(b"broken-chunked", BrokenChunkedResource()) + r.putChild(b"contentlength", ContentLengthHeaderResource()) + r.putChild(b"nocontenttype", EmptyContentTypeHeaderResource()) + r.putChild(b"largechunkedfile", LargeChunkedFileResource()) + r.putChild(b"duplicate-header", DuplicateHeaderResource()) + r.putChild(b"echo", Echo()) + self.site = server.Site(r, timeout=None) + self.wrapper = WrappingFactory(self.site) + self.host = "localhost" + if self.scheme == "https": + # Using WrappingFactory do not enable HTTP/2 failing all the + # tests with H2DownloadHandler + self.port = reactor.listenSSL( + 0, + self.site, + ssl_context_factory(self.keyfile, self.certfile), + interface=self.host, + ) + else: + self.port = reactor.listenTCP(0, self.wrapper, interface=self.host) + self.portno = self.port.getHost().port + self.download_handler = build_from_crawler( + self.download_handler_cls, get_crawler() + ) + self.download_request = self.download_handler.download_request + + @defer.inlineCallbacks + def tearDown(self): + yield self.port.stopListening() + if hasattr(self.download_handler, "close"): + yield self.download_handler.close() + shutil.rmtree(self.tmpname) + + def getURL(self, path): + return f"{self.scheme}://{self.host}:{self.portno}/{path}" + + def test_download(self): + request = Request(self.getURL("file")) + d = self.download_request(request, Spider("foo")) + d.addCallback(lambda r: r.body) + d.addCallback(self.assertEqual, b"0123456789") + return d + + def test_download_head(self): + request = Request(self.getURL("file"), method="HEAD") + d = self.download_request(request, Spider("foo")) + d.addCallback(lambda r: r.body) + d.addCallback(self.assertEqual, b"") + return d + + def test_redirect_status(self): + request = Request(self.getURL("redirect")) + d = self.download_request(request, Spider("foo")) + d.addCallback(lambda r: r.status) + d.addCallback(self.assertEqual, 302) + return d + + def test_redirect_status_head(self): + request = Request(self.getURL("redirect"), method="HEAD") + d = self.download_request(request, Spider("foo")) + d.addCallback(lambda r: r.status) + d.addCallback(self.assertEqual, 302) + return d + + @defer.inlineCallbacks + def test_timeout_download_from_spider_nodata_rcvd(self): + if self.reactor_pytest != "default" and sys.platform == "win32": + # https://twistedmatrix.com/trac/ticket/10279 + raise unittest.SkipTest( + "This test produces DirtyReactorAggregateError on Windows with asyncio" + ) + + # client connects but no data is received + spider = Spider("foo") + meta = {"download_timeout": 0.5} + request = Request(self.getURL("wait"), meta=meta) + d = self.download_request(request, spider) + yield self.assertFailure(d, defer.TimeoutError, error.TimeoutError) + + @defer.inlineCallbacks + def test_timeout_download_from_spider_server_hangs(self): + if self.reactor_pytest != "default" and sys.platform == "win32": + # https://twistedmatrix.com/trac/ticket/10279 + raise unittest.SkipTest( + "This test produces DirtyReactorAggregateError on Windows with asyncio" + ) + # client connects, server send headers and some body bytes but hangs + spider = Spider("foo") + meta = {"download_timeout": 0.5} + request = Request(self.getURL("hang-after-headers"), meta=meta) + d = self.download_request(request, spider) + yield self.assertFailure(d, defer.TimeoutError, error.TimeoutError) + + def test_host_header_not_in_request_headers(self): + def _test(response): + assert response.body == to_bytes(f"{self.host}:{self.portno}") + assert not request.headers + + request = Request(self.getURL("host")) + return self.download_request(request, Spider("foo")).addCallback(_test) + + def test_host_header_seted_in_request_headers(self): + host = self.host + ":" + str(self.portno) + + def _test(response): + assert response.body == host.encode() + assert request.headers.get("Host") == host.encode() + + request = Request(self.getURL("host"), headers={"Host": host}) + return self.download_request(request, Spider("foo")).addCallback(_test) + + def test_content_length_zero_bodyless_post_request_headers(self): + """Tests if "Content-Length: 0" is sent for bodyless POST requests. + + This is not strictly required by HTTP RFCs but can cause trouble + for some web servers. + See: + https://github.com/scrapy/scrapy/issues/823 + https://issues.apache.org/jira/browse/TS-2902 + https://github.com/kennethreitz/requests/issues/405 + https://bugs.python.org/issue14721 + """ + + def _test(response): + assert response.body == b"0" + + request = Request(self.getURL("contentlength"), method="POST") + return self.download_request(request, Spider("foo")).addCallback(_test) + + def test_content_length_zero_bodyless_post_only_one(self): + def _test(response): + import json + + headers = Headers(json.loads(response.text)["headers"]) + contentlengths = headers.getlist("Content-Length") + assert len(contentlengths) == 1 + assert contentlengths == [b"0"] + + request = Request(self.getURL("echo"), method="POST") + return self.download_request(request, Spider("foo")).addCallback(_test) + + def test_payload(self): + body = b"1" * 100 # PayloadResource requires body length to be 100 + request = Request(self.getURL("payload"), method="POST", body=body) + d = self.download_request(request, Spider("foo")) + d.addCallback(lambda r: r.body) + d.addCallback(self.assertEqual, body) + return d + + def test_response_header_content_length(self): + request = Request(self.getURL("file"), method=b"GET") + d = self.download_request(request, Spider("foo")) + d.addCallback(lambda r: r.headers[b"content-length"]) + d.addCallback(self.assertEqual, b"159") + return d + + def _test_response_class(self, filename, body, response_class): + def _test(response): + assert type(response) is response_class # pylint: disable=unidiomatic-typecheck + + request = Request(self.getURL(filename), body=body) + return self.download_request(request, Spider("foo")).addCallback(_test) + + def test_response_class_from_url(self): + return self._test_response_class("foo.html", b"", HtmlResponse) + + def test_response_class_from_body(self): + return self._test_response_class( + "foo", + b"\n.", + HtmlResponse, + ) + + def test_get_duplicate_header(self): + def _test(response): + assert response.headers.getlist(b"Set-Cookie") == [b"a=b", b"c=d"] + + request = Request(self.getURL("duplicate-header")) + return self.download_request(request, Spider("foo")).addCallback(_test) + + +class TestHttp11Base(TestHttpBase): + """HTTP 1.1 test case""" + + def test_download_without_maxsize_limit(self): + request = Request(self.getURL("file")) + d = self.download_request(request, Spider("foo")) + d.addCallback(lambda r: r.body) + d.addCallback(self.assertEqual, b"0123456789") + return d + + def test_response_class_choosing_request(self): + """Tests choosing of correct response type + in case of Content-Type is empty but body contains text. + """ + body = b"Some plain text\ndata with tabs\t and null bytes\0" + + def _test_type(response): + assert type(response) is TextResponse # pylint: disable=unidiomatic-typecheck + + request = Request(self.getURL("nocontenttype"), body=body) + d = self.download_request(request, Spider("foo")) + d.addCallback(_test_type) + return d + + @defer.inlineCallbacks + def test_download_with_maxsize(self): + request = Request(self.getURL("file")) + + # 10 is minimal size for this request and the limit is only counted on + # response body. (regardless of headers) + d = self.download_request(request, Spider("foo", download_maxsize=10)) + d.addCallback(lambda r: r.body) + d.addCallback(self.assertEqual, b"0123456789") + yield d + + d = self.download_request(request, Spider("foo", download_maxsize=9)) + yield self.assertFailure(d, defer.CancelledError, error.ConnectionAborted) + + @defer.inlineCallbacks + def test_download_with_maxsize_very_large_file(self): + with mock.patch("scrapy.core.downloader.handlers.http11.logger") as logger: + request = Request(self.getURL("largechunkedfile")) + + def check(logger): + logger.warning.assert_called_once_with(mock.ANY, mock.ANY) + + d = self.download_request(request, Spider("foo", download_maxsize=1500)) + yield self.assertFailure(d, defer.CancelledError, error.ConnectionAborted) + + # As the error message is logged in the dataReceived callback, we + # have to give a bit of time to the reactor to process the queue + # after closing the connection. + d = defer.Deferred() + d.addCallback(check) + reactor.callLater(0.1, d.callback, logger) + yield d + + @defer.inlineCallbacks + def test_download_with_maxsize_per_req(self): + meta = {"download_maxsize": 2} + request = Request(self.getURL("file"), meta=meta) + d = self.download_request(request, Spider("foo")) + yield self.assertFailure(d, defer.CancelledError, error.ConnectionAborted) + + @defer.inlineCallbacks + def test_download_with_small_maxsize_per_spider(self): + request = Request(self.getURL("file")) + d = self.download_request(request, Spider("foo", download_maxsize=2)) + yield self.assertFailure(d, defer.CancelledError, error.ConnectionAborted) + + def test_download_with_large_maxsize_per_spider(self): + request = Request(self.getURL("file")) + d = self.download_request(request, Spider("foo", download_maxsize=100)) + d.addCallback(lambda r: r.body) + d.addCallback(self.assertEqual, b"0123456789") + return d + + def test_download_chunked_content(self): + request = Request(self.getURL("chunked")) + d = self.download_request(request, Spider("foo")) + d.addCallback(lambda r: r.body) + d.addCallback(self.assertEqual, b"chunked content\n") + return d + + def test_download_broken_content_cause_data_loss(self, url="broken"): + # TODO: this one checks for Twisted-specific exceptions + request = Request(self.getURL(url)) + d = self.download_request(request, Spider("foo")) + + def checkDataLoss(failure): + if failure.check(ResponseFailed) and any( + r.check(_DataLoss) for r in failure.value.reasons + ): + return None + return failure + + d.addCallback(lambda _: self.fail("No DataLoss exception")) + d.addErrback(checkDataLoss) + return d + + def test_download_broken_chunked_content_cause_data_loss(self): + return self.test_download_broken_content_cause_data_loss("broken-chunked") + + def test_download_broken_content_allow_data_loss(self, url="broken"): + request = Request(self.getURL(url), meta={"download_fail_on_dataloss": False}) + d = self.download_request(request, Spider("foo")) + d.addCallback(lambda r: r.flags) + d.addCallback(self.assertEqual, ["dataloss"]) + return d + + def test_download_broken_chunked_content_allow_data_loss(self): + return self.test_download_broken_content_allow_data_loss("broken-chunked") + + def test_download_broken_content_allow_data_loss_via_setting(self, url="broken"): + crawler = get_crawler(settings_dict={"DOWNLOAD_FAIL_ON_DATALOSS": False}) + download_handler = build_from_crawler(self.download_handler_cls, crawler) + request = Request(self.getURL(url)) + d = download_handler.download_request(request, Spider("foo")) + d.addCallback(lambda r: r.flags) + d.addCallback(self.assertEqual, ["dataloss"]) + return d + + def test_download_broken_chunked_content_allow_data_loss_via_setting(self): + return self.test_download_broken_content_allow_data_loss_via_setting( + "broken-chunked" + ) + + def test_protocol(self): + request = Request(self.getURL("host"), method="GET") + d = self.download_request(request, Spider("foo")) + d.addCallback(lambda r: r.protocol) + d.addCallback(self.assertEqual, "HTTP/1.1") + return d + + +class TestHttps11Base(TestHttp11Base): + scheme = "https" + + tls_log_message = ( + 'SSL connection certificate: issuer "/C=IE/O=Scrapy/CN=localhost", ' + 'subject "/C=IE/O=Scrapy/CN=localhost"' + ) + + @defer.inlineCallbacks + def test_tls_logging(self): + crawler = get_crawler( + settings_dict={"DOWNLOADER_CLIENT_TLS_VERBOSE_LOGGING": True} + ) + download_handler = build_from_crawler(self.download_handler_cls, crawler) + try: + with LogCapture() as log_capture: + request = Request(self.getURL("file")) + d = download_handler.download_request(request, Spider("foo")) + d.addCallback(lambda r: r.body) + d.addCallback(self.assertEqual, b"0123456789") + yield d + log_capture.check_present( + ("scrapy.core.downloader.tls", "DEBUG", self.tls_log_message) + ) + finally: + yield download_handler.close() + + +class TestSimpleHttpsBase(unittest.TestCase, ABC): + """Base class for special cases tested with just one simple request""" + + keyfile = "keys/localhost.key" + certfile = "keys/localhost.crt" + cipher_string: str | None = None + + @property + @abstractmethod + def download_handler_cls(self) -> type[DownloadHandlerProtocol]: + raise NotImplementedError + + def setUp(self): + self.tmpname = Path(mkdtemp()) + (self.tmpname / "file").write_bytes(b"0123456789") + r = static.File(str(self.tmpname)) + self.site = server.Site(r, timeout=None) + self.host = "localhost" + self.port = reactor.listenSSL( + 0, + self.site, + ssl_context_factory( + self.keyfile, self.certfile, cipher_string=self.cipher_string + ), + interface=self.host, + ) + self.portno = self.port.getHost().port + if self.cipher_string is not None: + settings_dict = {"DOWNLOADER_CLIENT_TLS_CIPHERS": self.cipher_string} + else: + settings_dict = None + crawler = get_crawler(settings_dict=settings_dict) + self.download_handler = build_from_crawler(self.download_handler_cls, crawler) + self.download_request = self.download_handler.download_request + + @defer.inlineCallbacks + def tearDown(self): + yield self.port.stopListening() + if hasattr(self.download_handler, "close"): + yield self.download_handler.close() + shutil.rmtree(self.tmpname) + + def getURL(self, path): + return f"https://{self.host}:{self.portno}/{path}" + + def test_download(self): + request = Request(self.getURL("file")) + d = self.download_request(request, Spider("foo")) + d.addCallback(lambda r: r.body) + d.addCallback(self.assertEqual, b"0123456789") + return d + + +class TestHttpsWrongHostnameBase(TestSimpleHttpsBase): + # above tests use a server certificate for "localhost", + # client connection to "localhost" too. + # here we test that even if the server certificate is for another domain, + # "www.example.com" in this case, + # the tests still pass + keyfile = "keys/example-com.key.pem" + certfile = "keys/example-com.cert.pem" + + +class TestHttpsInvalidDNSIdBase(TestSimpleHttpsBase): + """Connect to HTTPS hosts with IP while certificate uses domain names IDs.""" + + def setUp(self): + super().setUp() + self.host = "127.0.0.1" + + +class TestHttpsInvalidDNSPatternBase(TestSimpleHttpsBase): + """Connect to HTTPS hosts where the certificate are issued to an ip instead of a domain.""" + + keyfile = "keys/localhost.ip.key" + certfile = "keys/localhost.ip.crt" + + +class TestHttpsCustomCiphersBase(TestSimpleHttpsBase): + cipher_string = "CAMELLIA256-SHA" + + +class TestHttpMockServerBase(unittest.TestCase, ABC): + """HTTP 1.1 test case with MockServer""" + + @property + @abstractmethod + def settings_dict(self) -> dict[str, Any] | None: + raise NotImplementedError + + is_secure = False + + @classmethod + def setUpClass(cls): + cls.mockserver = MockServer() + cls.mockserver.__enter__() + + @classmethod + def tearDownClass(cls): + cls.mockserver.__exit__(None, None, None) + + @defer.inlineCallbacks + def test_download_with_content_length(self): + crawler = get_crawler(SingleRequestSpider, self.settings_dict) + # http://localhost:8998/partial set Content-Length to 1024, use download_maxsize= 1000 to avoid + # download it + yield crawler.crawl( + seed=Request( + url=self.mockserver.url("/partial", is_secure=self.is_secure), + meta={"download_maxsize": 1000}, + ) + ) + failure = crawler.spider.meta["failure"] + assert isinstance(failure.value, defer.CancelledError) + + @defer.inlineCallbacks + def test_download(self): + crawler = get_crawler(SingleRequestSpider, self.settings_dict) + yield crawler.crawl( + seed=Request(url=self.mockserver.url("", is_secure=self.is_secure)) + ) + failure = crawler.spider.meta.get("failure") + assert failure is None + reason = crawler.spider.meta["close_reason"] + assert reason == "finished" + + +class UriResource(resource.Resource): + """Return the full uri that was requested""" + + def getChild(self, path, request): + return self + + def render(self, request): + # Note: this is an ugly hack for CONNECT request timeout test. + # Returning some data here fail SSL/TLS handshake + # ToDo: implement proper HTTPS proxy tests, not faking them. + if request.method != b"CONNECT": + return request.uri + return b"" + + +class TestHttpProxyBase(unittest.TestCase, ABC): + expected_http_proxy_request_body = b"http://example.com" + + @property + @abstractmethod + def download_handler_cls(self) -> type[DownloadHandlerProtocol]: + raise NotImplementedError + + def setUp(self): + site = server.Site(UriResource(), timeout=None) + wrapper = WrappingFactory(site) + self.port = reactor.listenTCP(0, wrapper, interface="127.0.0.1") + self.portno = self.port.getHost().port + self.download_handler = build_from_crawler( + self.download_handler_cls, get_crawler() + ) + self.download_request = self.download_handler.download_request + + @defer.inlineCallbacks + def tearDown(self): + yield self.port.stopListening() + if hasattr(self.download_handler, "close"): + yield self.download_handler.close() + + def getURL(self, path): + return f"http://127.0.0.1:{self.portno}/{path}" + + def test_download_with_proxy(self): + def _test(response): + assert response.status == 200 + assert response.url == request.url + assert response.body == self.expected_http_proxy_request_body + + http_proxy = self.getURL("") + request = Request("http://example.com", meta={"proxy": http_proxy}) + return self.download_request(request, Spider("foo")).addCallback(_test) + + def test_download_without_proxy(self): + def _test(response): + assert response.status == 200 + assert response.url == request.url + assert response.body == b"/path/to/resource" + + request = Request(self.getURL("path/to/resource")) + return self.download_request(request, Spider("foo")).addCallback(_test) + + @defer.inlineCallbacks + def test_download_with_proxy_https_timeout(self): + if NON_EXISTING_RESOLVABLE: + pytest.skip("Non-existing hosts are resolvable") + http_proxy = self.getURL("") + domain = "https://no-such-domain.nosuch" + request = Request(domain, meta={"proxy": http_proxy, "download_timeout": 0.2}) + d = self.download_request(request, Spider("foo")) + timeout = yield self.assertFailure(d, error.TimeoutError) + assert domain in timeout.osError + + def test_download_with_proxy_without_http_scheme(self): + def _test(response): + assert response.status == 200 + assert response.url == request.url + assert response.body == self.expected_http_proxy_request_body + + http_proxy = self.getURL("").replace("http://", "") + request = Request("http://example.com", meta={"proxy": http_proxy}) + return self.download_request(request, Spider("foo")).addCallback(_test) From 0cdb971f636fc75ed08ed13642adfa04fcc235ee Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 28 May 2025 10:06:04 +0200 Subject: [PATCH 476/786] Complete the release notes --- docs/news.rst | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/docs/news.rst b/docs/news.rst index eb5370b6e..76e195feb 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -18,6 +18,21 @@ Scrapy 2.13.1 (unreleased) only sent when there are not enough pending callback requests to reach concurrency limits. + (:issue:`6828`) + +- Added a deepwiki_ badge to the README. (:issue:`6793`) + + .. _deepwiki: https://deepwiki.com/scrapy/scrapy + +- Fixed a typo in the code example of :ref:`start-requests-lazy`. + (:issue:`6812`, :issue:`6815`) + +- Fixed a typo in the :ref:`coroutine-support` section of the documentation. + (:issue:`6822`) + +- Made this page more prominently listed in PyPI project links. + (:issue:`6826`) + .. _release-2.13.0: From 08ee88456f850f247117aa602f7b066356b66419 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 28 May 2025 10:12:37 +0200 Subject: [PATCH 477/786] bumpversion: set the release date automatically --- pyproject.toml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/pyproject.toml b/pyproject.toml index 47707e061..3b8174afe 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -120,6 +120,12 @@ commit = true tag = true tag_name = "{new_version}" +[[tool.bumpversion.files]] +filename = "docs/news.rst" +search = "\\(unreleased\\)$" +replace = "({now:%Y-%m-%d})" +regex = true + [[tool.bumpversion.files]] filename = "scrapy/VERSION" From 7fe7f1734aba5625f8c9c405bb92ef1da18cd983 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 28 May 2025 10:12:46 +0200 Subject: [PATCH 478/786] =?UTF-8?q?Bump=20version:=202.13.0=20=E2=86=92=20?= =?UTF-8?q?2.13.1?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- docs/news.rst | 2 +- pyproject.toml | 2 +- scrapy/VERSION | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/docs/news.rst b/docs/news.rst index 76e195feb..ef3b549e7 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -5,7 +5,7 @@ Release notes .. _release-2.13.1: -Scrapy 2.13.1 (unreleased) +Scrapy 2.13.1 (2025-05-28) -------------------------- - Give callback requests precedence over start requests when priority values diff --git a/pyproject.toml b/pyproject.toml index 3b8174afe..68c1e07bb 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -115,7 +115,7 @@ module = "twisted" implicit_reexport = true [tool.bumpversion] -current_version = "2.13.0" +current_version = "2.13.1" commit = true tag = true tag_name = "{new_version}" diff --git a/scrapy/VERSION b/scrapy/VERSION index fb2c0766b..94f15e9cc 100644 --- a/scrapy/VERSION +++ b/scrapy/VERSION @@ -1 +1 @@ -2.13.0 +2.13.1 From 7b4cf06b6e381b6210fe43bc94a1eb65b3db0583 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 28 May 2025 10:54:36 +0200 Subject: [PATCH 479/786] Feature the new logo in the README (#6831) --- README.rst | 22 ++++++++++------------ docs/_static/logo.svg | 1 + 2 files changed, 11 insertions(+), 12 deletions(-) create mode 100644 docs/_static/logo.svg diff --git a/README.rst b/README.rst index 29488d825..30001e4b0 100644 --- a/README.rst +++ b/README.rst @@ -1,9 +1,10 @@ -.. image:: https://scrapy.org/img/scrapylogo.png - :target: https://scrapy.org/ +.. raw:: html -====== -Scrapy -====== +

+ + Scrapy + +

.. image:: https://img.shields.io/pypi/v/Scrapy.svg :target: https://pypi.org/pypi/Scrapy @@ -37,13 +38,10 @@ Scrapy :target: https://deepwiki.com/scrapy/scrapy :alt: Ask DeepWiki - -Overview -======== - -Scrapy is a BSD-licensed fast high-level web crawling and web scraping framework, used to -crawl websites and extract structured data from their pages. It can be used for -a wide range of purposes, from data mining to monitoring and automated testing. +Scrapy is a BSD-licensed fast high-level web crawling and web scraping +framework, used to crawl websites and extract structured data from their pages. +It can be used for a wide range of purposes, from data mining to monitoring and +automated testing. Scrapy is maintained by Zyte_ (formerly Scrapinghub) and `many other contributors`_. diff --git a/docs/_static/logo.svg b/docs/_static/logo.svg new file mode 100644 index 000000000..04b2d18a7 --- /dev/null +++ b/docs/_static/logo.svg @@ -0,0 +1 @@ + From f98ffc71d25ae74351df70ae03ef5299a2ab3813 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 28 May 2025 10:58:34 +0200 Subject: [PATCH 480/786] 2.13.1 (#6832) --- docs/news.rst | 31 ++++++++++++++++++++++ pyproject.toml | 8 +++++- scrapy/VERSION | 2 +- scrapy/core/scheduler.py | 4 +-- scrapy/pqueues.py | 30 ++++++++++++---------- tests/test_engine_loop.py | 20 +++++++-------- tests/test_pqueues.py | 54 +++++++++++++++++++++++++++++++++++++++ 7 files changed, 122 insertions(+), 27 deletions(-) diff --git a/docs/news.rst b/docs/news.rst index cf1c35893..ef3b549e7 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -3,6 +3,37 @@ Release notes ============= +.. _release-2.13.1: + +Scrapy 2.13.1 (2025-05-28) +-------------------------- + +- Give callback requests precedence over start requests when priority values + are the same. + + This makes changes from 2.13.0 to start request handling more intuitive and + backward compatible. For scenarios where all requests have the same + priorities, in 2.13.0 all start requests were sent before the first + callback request. In 2.13.1, same as in 2.12 and lower, start requests are + only sent when there are not enough pending callback requests to reach + concurrency limits. + + (:issue:`6828`) + +- Added a deepwiki_ badge to the README. (:issue:`6793`) + + .. _deepwiki: https://deepwiki.com/scrapy/scrapy + +- Fixed a typo in the code example of :ref:`start-requests-lazy`. + (:issue:`6812`, :issue:`6815`) + +- Fixed a typo in the :ref:`coroutine-support` section of the documentation. + (:issue:`6822`) + +- Made this page more prominently listed in PyPI project links. + (:issue:`6826`) + + .. _release-2.13.0: Scrapy 2.13.0 (2025-05-08) diff --git a/pyproject.toml b/pyproject.toml index 47707e061..68c1e07bb 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -115,11 +115,17 @@ module = "twisted" implicit_reexport = true [tool.bumpversion] -current_version = "2.13.0" +current_version = "2.13.1" commit = true tag = true tag_name = "{new_version}" +[[tool.bumpversion.files]] +filename = "docs/news.rst" +search = "\\(unreleased\\)$" +replace = "({now:%Y-%m-%d})" +regex = true + [[tool.bumpversion.files]] filename = "scrapy/VERSION" diff --git a/scrapy/VERSION b/scrapy/VERSION index fb2c0766b..94f15e9cc 100644 --- a/scrapy/VERSION +++ b/scrapy/VERSION @@ -1 +1 @@ -2.13.0 +2.13.1 diff --git a/scrapy/core/scheduler.py b/scrapy/core/scheduler.py index 57d27b7cf..9ac447289 100644 --- a/scrapy/core/scheduler.py +++ b/scrapy/core/scheduler.py @@ -173,8 +173,8 @@ class Scheduler(BaseScheduler): :ref:`Start requests ` are sent in the order they are yielded from :meth:`~scrapy.Spider.start`, and given the same - :attr:`~scrapy.http.Request.priority`, start requests take precedence over - other requests. + :attr:`~scrapy.http.Request.priority`, other requests take precedence over + start requests. You can set :setting:`SCHEDULER_START_MEMORY_QUEUE` and :setting:`SCHEDULER_START_DISK_QUEUE` to ``None`` to handle start requests diff --git a/scrapy/pqueues.py b/scrapy/pqueues.py index e6c6b8bf1..34b235d83 100644 --- a/scrapy/pqueues.py +++ b/scrapy/pqueues.py @@ -160,28 +160,32 @@ class ScrapyPriorityQueue: def pop(self) -> Request | None: while self.curprio is not None: - if self._start_queues: - try: - q = self._start_queues[self.curprio] - except KeyError: - pass - else: - m = q.pop() - if not q: - del self._start_queues[self.curprio] - q.close() - return m try: q = self.queues[self.curprio] except KeyError: - self._update_curprio() + pass else: m = q.pop() if not q: del self.queues[self.curprio] q.close() - self._update_curprio() + if not self._start_queues: + self._update_curprio() return m + if self._start_queues: + try: + q = self._start_queues[self.curprio] + except KeyError: + self._update_curprio() + else: + m = q.pop() + if not q: + del self._start_queues[self.curprio] + q.close() + self._update_curprio() + return m + else: + self._update_curprio() return None def _update_curprio(self) -> None: diff --git a/tests/test_engine_loop.py b/tests/test_engine_loop.py index 90af10f0e..c7dbc82d4 100644 --- a/tests/test_engine_loop.py +++ b/tests/test_engine_loop.py @@ -189,9 +189,9 @@ class RequestSendOrderTestCase(TestCase): @deferred_f_from_coro_f async def test_default(self): - """By default, start requests take priority over callback requests and + """By default, callback requests take priority over start requests and are sent in order. Priority matters, but given the same priority, a - start request takes precedence.""" + callback request takes precedence.""" nums = [1, 2, 3, 4, 5, 6] response_seconds = 0 download_slots = 1 @@ -207,13 +207,13 @@ class RequestSendOrderTestCase(TestCase): yield _request(1) for request in ( - _request(4, priority=1), - _request(6), + _request(2, priority=1), + _request(5), ): spider.crawler.engine._slot.scheduler.enqueue_request(request) - yield _request(5) - yield _request(2, priority=1) + yield _request(6) yield _request(3, priority=1) + yield _request(4, priority=1) def parse(spider, response): return @@ -249,13 +249,13 @@ class RequestSendOrderTestCase(TestCase): yield _request(1) for request in ( - _request(4, priority=1), - _request(6), + _request(2, priority=1), + _request(5), ): spider.crawler.engine._slot.scheduler.enqueue_request(request) - yield _request(5) + yield _request(6) + yield _request(4, priority=1) yield _request(3, priority=1) - yield _request(2, priority=1) def parse(spider, response): return diff --git a/tests/test_pqueues.py b/tests/test_pqueues.py index d5c710ed2..b65f1b7e7 100644 --- a/tests/test_pqueues.py +++ b/tests/test_pqueues.py @@ -7,6 +7,7 @@ from scrapy.http.request import Request from scrapy.pqueues import DownloaderAwarePriorityQueue, ScrapyPriorityQueue from scrapy.spiders import Spider from scrapy.squeues import FifoMemoryQueue +from scrapy.utils.misc import build_from_crawler, load_object from scrapy.utils.test import get_crawler from tests.test_scheduler import MockDownloader, MockEngine @@ -155,3 +156,56 @@ class TestDownloaderAwarePriorityQueue: assert self.queue.peek().url == req3.url assert self.queue.pop().url == req3.url assert self.queue.peek() is None + + +@pytest.mark.parametrize( + ("input", "output"), + [ + # By default, start requests are FIFO, other requests are LIFO. + ([{}, {}], [2, 1]), + ([{"start": True}, {"start": True}], [1, 2]), + # Priority matters. + ([{"priority": 1}, {"start": True}], [1, 2]), + ([{}, {"start": True, "priority": 1}], [2, 1]), + # For the same priority, start requests pop last. + ([{}, {"start": True}], [1, 2]), + ([{"start": True}, {}], [2, 1]), + ], +) +def test_pop_order(input, output): + def make_url(index): + return f"https://toscrape.com/{index}" + + def make_request(index, data): + meta = {} + if data.get("start", False): + meta["is_start_request"] = True + return Request( + url=make_url(index), + priority=data.get("priority", 0), + meta=meta, + ) + + input_requests = [ + make_request(index, data) for index, data in enumerate(input, start=1) + ] + expected_output_urls = [make_url(index) for index in output] + + crawler = get_crawler(Spider) + settings = crawler.settings + queue = build_from_crawler( + ScrapyPriorityQueue, + crawler, + downstream_queue_cls=load_object(settings["SCHEDULER_MEMORY_QUEUE"]), + key="", + start_queue_cls=load_object(settings["SCHEDULER_START_MEMORY_QUEUE"]), + ) + + for request in input_requests: + queue.push(request) + + actual_output_urls = [] + while request := queue.pop(): + actual_output_urls.append(request.url) + + assert actual_output_urls == expected_output_urls From c480c77f54e1b417468847ab5437458cf5beffe6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 28 May 2025 11:35:18 +0200 Subject: [PATCH 481/786] Shorten the README and remove broken links to scrapy.org (#6833) --- README.rst | 68 ++++++------------------------------------- docs/contributing.rst | 9 ++++-- 2 files changed, 16 insertions(+), 61 deletions(-) diff --git a/README.rst b/README.rst index 30001e4b0..5dc994570 100644 --- a/README.rst +++ b/README.rst @@ -38,74 +38,24 @@ :target: https://deepwiki.com/scrapy/scrapy :alt: Ask DeepWiki -Scrapy is a BSD-licensed fast high-level web crawling and web scraping -framework, used to crawl websites and extract structured data from their pages. -It can be used for a wide range of purposes, from data mining to monitoring and -automated testing. - -Scrapy is maintained by Zyte_ (formerly Scrapinghub) and `many other -contributors`_. +Scrapy_ is a web scraping framework to extract structured data from websites. +It is cross-platform, and requires Python 3.9+. It is maintained by Zyte_ +(formerly Scrapinghub) and `many other contributors`_. .. _many other contributors: https://github.com/scrapy/scrapy/graphs/contributors +.. _Scrapy: https://scrapy.org/ .. _Zyte: https://www.zyte.com/ -Check the Scrapy homepage at https://scrapy.org for more information, -including a list of features. - - -Requirements -============ - -* Python 3.9+ -* Works on Linux, Windows, macOS, BSD - -Install -======= - -The quick way: +Install with: .. code:: bash pip install scrapy -See the install section in the documentation at -https://docs.scrapy.org/en/latest/intro/install.html for more details. +And follow the documentation_ to learn how to use it. -Documentation -============= +.. _documentation: https://docs.scrapy.org/en/latest/ -Documentation is available online at https://docs.scrapy.org/ and in the ``docs`` -directory. +If you wish to contribute, see Contributing_. -Releases -======== - -You can check https://docs.scrapy.org/en/latest/news.html for the release notes. - -Community (blog, twitter, mail list, IRC) -========================================= - -See https://scrapy.org/community/ for details. - -Contributing -============ - -See https://docs.scrapy.org/en/master/contributing.html for details. - -Code of Conduct ---------------- - -Please note that this project is released with a Contributor `Code of Conduct `_. - -By participating in this project you agree to abide by its terms. -Please report unacceptable behavior to opensource@zyte.com. - -Companies using Scrapy -====================== - -See https://scrapy.org/companies/ for a list. - -Commercial Support -================== - -See https://scrapy.org/support/ for details. +.. _Contributing: https://docs.scrapy.org/en/master/contributing.html diff --git a/docs/contributing.rst b/docs/contributing.rst index f5c1c74b8..0172887d6 100644 --- a/docs/contributing.rst +++ b/docs/contributing.rst @@ -6,8 +6,13 @@ Contributing to Scrapy .. important:: - Double check that you are reading the most recent version of this document at - https://docs.scrapy.org/en/master/contributing.html + Double check that you are reading the most recent version of this document + at https://docs.scrapy.org/en/master/contributing.html + + By participating in this project you agree to abide by the terms of our + `Code of Conduct + `_. Please + report unacceptable behavior to opensource@zyte.com. There are many ways to contribute to Scrapy. Here are some of them: From dceb85bf3e41d06dfac81c037c69fd0f1ab61156 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 28 May 2025 14:46:39 +0500 Subject: [PATCH 482/786] Add is_asyncio_available(). (#6827) * Add is_asyncio_available(). * Print unexpected warnings in test_install_asyncio_reactor(). * Fix printing warnings. * Fix printing warnings - 2. * Skip TestDeferredToFuture on non-asyncio. * Test the is_asyncio_available() exception. --- docs/topics/asyncio.rst | 11 +++--- scrapy/utils/asyncio.py | 38 +++++++++++++++++++ scrapy/utils/defer.py | 7 ++-- scrapy/utils/reactor.py | 6 +++ .../CrawlerProcess/asyncio_enabled_reactor.py | 10 +++++ tests/test_utils_asyncio.py | 33 ++-------------- tests/test_utils_defer.py | 4 +- tests/test_utils_deprecate.py | 2 +- tests/test_utils_reactor.py | 35 +++++++++++++++++ 9 files changed, 106 insertions(+), 40 deletions(-) create mode 100644 scrapy/utils/asyncio.py create mode 100644 tests/test_utils_reactor.py diff --git a/docs/topics/asyncio.rst b/docs/topics/asyncio.rst index 0490129b3..473ef7bfa 100644 --- a/docs/topics/asyncio.rst +++ b/docs/topics/asyncio.rst @@ -105,25 +105,26 @@ Enforcing asyncio as a requirement ================================== If you are writing a :ref:`component ` that requires asyncio -to work, use :func:`scrapy.utils.reactor.is_asyncio_reactor_installed` to +to work, use :func:`scrapy.utils.asyncio.is_asyncio_available` to :ref:`enforce it as a requirement `. For example: .. code-block:: python - from scrapy.utils.reactor import is_asyncio_reactor_installed + from scrapy.utils.asyncio import is_asyncio_available class MyComponent: def __init__(self): - if not is_asyncio_reactor_installed(): + if not is_asyncio_available(): raise ValueError( - f"{MyComponent.__qualname__} requires the asyncio Twisted " - f"reactor. Make sure you have it configured in the " + f"{MyComponent.__qualname__} requires the asyncio support. " + f"Make sure you have configured the asyncio reactor in the " f"TWISTED_REACTOR setting. See the asyncio documentation " f"of Scrapy for more information." ) +.. autofunction:: scrapy.utils.asyncio.is_asyncio_available .. autofunction:: scrapy.utils.reactor.is_asyncio_reactor_installed diff --git a/scrapy/utils/asyncio.py b/scrapy/utils/asyncio.py new file mode 100644 index 000000000..4469369fa --- /dev/null +++ b/scrapy/utils/asyncio.py @@ -0,0 +1,38 @@ +"""Utilities related to asyncio and its support in Scrapy.""" + +from scrapy.utils.reactor import is_asyncio_reactor_installed, is_reactor_installed + + +def is_asyncio_available() -> bool: + """Check if it's possible to call asyncio code that relies on the asyncio event loop. + + .. versionadded:: VERSION + + Currently this function is identical to + :func:`scrapy.utils.reactor.is_asyncio_reactor_installed`: it returns + ``True`` if the Twisted reactor that is installed is + :class:`~twisted.internet.asyncioreactor.AsyncioSelectorReactor`, returns + ``False`` if a different reactor is installed, and raises a + :exc:`RuntimeError` if no reactor is installed. In a future Scrapy version, + when Scrapy supports running without a Twisted reactor, this function will + also return ``True`` when running in that mode, so code that doesn't + directly require a Twisted reactor should use this function instead of + :func:`~scrapy.utils.reactor.is_asyncio_reactor_installed`. + + When this returns ``True``, an asyncio loop is installed and used by + Scrapy. It's possible to call functions that require it, such as + :func:`asyncio.sleep`, and await on :class:`asyncio.Future` objects in + Scrapy-related code. + + When this returns ``False``, a non-asyncio Twisted reactor is installed. + It's not possible to use asyncio features that require an asyncio event + loop or await on :class:`asyncio.Future` objects in Scrapy-related code, + but it's possible to await on :class:`~twisted.internet.defer.Deferred` + objects. + """ + if not is_reactor_installed(): + raise RuntimeError( + "is_asyncio_available() called without an installed reactor." + ) + + return is_asyncio_reactor_installed() diff --git a/scrapy/utils/defer.py b/scrapy/utils/defer.py index d06397f50..4649c4daa 100644 --- a/scrapy/utils/defer.py +++ b/scrapy/utils/defer.py @@ -22,7 +22,8 @@ from twisted.internet.task import Cooperator from twisted.python import failure from scrapy.exceptions import IgnoreRequest, ScrapyDeprecationWarning -from scrapy.utils.reactor import _get_asyncio_event_loop, is_asyncio_reactor_installed +from scrapy.utils.asyncio import is_asyncio_available +from scrapy.utils.reactor import _get_asyncio_event_loop if TYPE_CHECKING: from collections.abc import AsyncIterator, Callable @@ -379,7 +380,7 @@ def deferred_from_coro(o: Awaitable[_T] | _T2) -> Deferred[_T] | _T2: if isinstance(o, Deferred): return o if inspect.isawaitable(o): - if not is_asyncio_reactor_installed(): + if not is_asyncio_available(): # wrapping the coroutine directly into a Deferred, this doesn't work correctly with coroutines # that use asyncio, e.g. "await asyncio.sleep(1)" return Deferred.fromCoroutine(cast(Coroutine[Deferred[Any], Any, _T], o)) @@ -471,6 +472,6 @@ def maybe_deferred_to_future(d: Deferred[_T]) -> Deferred[_T] | Future[_T]: deferred = self.crawler.engine.download(additional_request) additional_response = await maybe_deferred_to_future(deferred) """ - if not is_asyncio_reactor_installed(): + if not is_asyncio_available(): return d return deferred_to_future(d) diff --git a/scrapy/utils/reactor.py b/scrapy/utils/reactor.py index 9c2754394..5e76da37b 100644 --- a/scrapy/utils/reactor.py +++ b/scrapy/utils/reactor.py @@ -202,6 +202,12 @@ def is_asyncio_reactor_installed() -> bool: """Check whether the installed reactor is :class:`~twisted.internet.asyncioreactor.AsyncioSelectorReactor`. Raise a :exc:`RuntimeError` if no reactor is installed. + + In a future Scrapy version, when Scrapy supports running without a Twisted + reactor, this function won't be useful for checking if it's possible to use + asyncio features, so the code that that doesn't directly require a Twisted + reactor should use :func:`scrapy.utils.asyncio.is_asyncio_available` + instead of this function. """ if not is_reactor_installed(): raise RuntimeError( diff --git a/tests/CrawlerProcess/asyncio_enabled_reactor.py b/tests/CrawlerProcess/asyncio_enabled_reactor.py index f3dab12fe..4e8d3db12 100644 --- a/tests/CrawlerProcess/asyncio_enabled_reactor.py +++ b/tests/CrawlerProcess/asyncio_enabled_reactor.py @@ -1,5 +1,6 @@ import scrapy from scrapy.crawler import CrawlerProcess +from scrapy.utils.asyncio import is_asyncio_available from scrapy.utils.reactor import ( install_reactor, is_asyncio_reactor_installed, @@ -18,6 +19,13 @@ except RuntimeError: else: raise RuntimeError("is_asyncio_reactor_installed() did not raise RuntimeError.") +try: + is_asyncio_available() +except RuntimeError: + pass +else: + raise RuntimeError("is_asyncio_available() did not raise RuntimeError.") + if is_reactor_installed(): raise RuntimeError( "Reactor already installed after is_asyncio_reactor_installed()." @@ -33,6 +41,8 @@ class ReactorCheckExtension: def __init__(self): if not is_asyncio_reactor_installed(): raise RuntimeError("ReactorCheckExtension requires the asyncio reactor.") + if not is_asyncio_available(): + raise RuntimeError("ReactorCheckExtension requires asyncio support.") class NoRequestsSpider(scrapy.Spider): diff --git a/tests/test_utils_asyncio.py b/tests/test_utils_asyncio.py index 901e03d59..fe44748f9 100644 --- a/tests/test_utils_asyncio.py +++ b/tests/test_utils_asyncio.py @@ -1,35 +1,10 @@ -import asyncio -import warnings - import pytest -from twisted.trial.unittest import TestCase -from scrapy.utils.defer import deferred_f_from_coro_f -from scrapy.utils.reactor import ( - install_reactor, - is_asyncio_reactor_installed, - set_asyncio_event_loop, -) +from scrapy.utils.asyncio import is_asyncio_available @pytest.mark.usefixtures("reactor_pytest") -class TestAsyncio(TestCase): - def test_is_asyncio_reactor_installed(self): +class TestAsyncio: + def test_is_asyncio_available(self): # the result should depend only on the pytest --reactor argument - assert is_asyncio_reactor_installed() == (self.reactor_pytest != "default") - - def test_install_asyncio_reactor(self): - from twisted.internet import reactor as original_reactor - - with warnings.catch_warnings(record=True) as w: - install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") - assert len(w) == 0 - from twisted.internet import reactor # pylint: disable=reimported - - assert original_reactor == reactor - - @pytest.mark.only_asyncio - @deferred_f_from_coro_f - async def test_set_asyncio_event_loop(self): - install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") - assert set_asyncio_event_loop(None) is asyncio.get_running_loop() + assert is_asyncio_available() == (self.reactor_pytest != "default") diff --git a/tests/test_utils_defer.py b/tests/test_utils_defer.py index 29cd5fbf2..c565c1c4e 100644 --- a/tests/test_utils_defer.py +++ b/tests/test_utils_defer.py @@ -311,6 +311,7 @@ class TestDeferredFFromCoroF(unittest.TestCase): yield self._assert_result(c_f) +@pytest.mark.only_asyncio class TestDeferredToFuture(unittest.TestCase): @deferred_f_from_coro_f async def test_deferred(self): @@ -332,7 +333,6 @@ class TestDeferredToFuture(unittest.TestCase): future_result = await result assert future_result == 42 - @pytest.mark.only_asyncio @deferred_f_from_coro_f async def test_wrapped_coroutine_asyncio(self): async def c_f() -> int: @@ -340,7 +340,7 @@ class TestDeferredToFuture(unittest.TestCase): return 42 d = deferred_from_coro(c_f()) - result = maybe_deferred_to_future(d) + result = deferred_to_future(d) assert isinstance(result, Future) future_result = await result assert future_result == 42 diff --git a/tests/test_utils_deprecate.py b/tests/test_utils_deprecate.py index 52c165bb4..662de0dc3 100644 --- a/tests/test_utils_deprecate.py +++ b/tests/test_utils_deprecate.py @@ -243,7 +243,7 @@ class TestWarnWhenSubclassed: ) w = self._mywarnings(w) - assert len(w) == 0, str(map(str, w)) + assert len(w) == 0, [str(warning) for warning in w] with warnings.catch_warnings(record=True) as w: AlsoDeprecated() diff --git a/tests/test_utils_reactor.py b/tests/test_utils_reactor.py new file mode 100644 index 000000000..99f175c60 --- /dev/null +++ b/tests/test_utils_reactor.py @@ -0,0 +1,35 @@ +import asyncio +import warnings + +import pytest +from twisted.trial.unittest import TestCase + +from scrapy.utils.defer import deferred_f_from_coro_f +from scrapy.utils.reactor import ( + install_reactor, + is_asyncio_reactor_installed, + set_asyncio_event_loop, +) + + +@pytest.mark.usefixtures("reactor_pytest") +class TestAsyncio(TestCase): + def test_is_asyncio_reactor_installed(self): + # the result should depend only on the pytest --reactor argument + assert is_asyncio_reactor_installed() == (self.reactor_pytest != "default") + + def test_install_asyncio_reactor(self): + from twisted.internet import reactor as original_reactor + + with warnings.catch_warnings(record=True) as w: + install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") + assert len(w) == 0, [str(warning) for warning in w] + from twisted.internet import reactor # pylint: disable=reimported + + assert original_reactor == reactor + + @pytest.mark.only_asyncio + @deferred_f_from_coro_f + async def test_set_asyncio_event_loop(self): + install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") + assert set_asyncio_event_loop(None) is asyncio.get_running_loop() From 916fe509744c39be63b35c859e50a35a2ac4333d Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 28 May 2025 15:53:52 +0500 Subject: [PATCH 483/786] Fix and ban the top-level twisted.internet.reactor imports. (#6835) --- extras/qps-bench-server.py | 2 +- pyproject.toml | 7 +++++++ tests/CrawlerProcess/reactor_default.py | 2 +- .../reactor_default_twisted_reactor_select.py | 2 +- tests/CrawlerRunner/change_reactor.py | 2 +- tests/CrawlerRunner/ip_address.py | 3 ++- tests/mockserver.py | 6 +++++- .../__init__.py | 2 +- tests/test_core_downloader.py | 5 ++++- .../test_downloader_handler_twisted_http2.py | 6 +++++- tests/test_downloader_handlers.py | 5 ++++- tests/test_downloader_handlers_http_base.py | 19 ++++++++++++++++++- tests/test_downloadermiddleware_robotstxt.py | 12 +++++++++++- tests/test_engine.py | 6 +++++- tests/test_http2_client_protocol.py | 3 ++- tests/test_pipeline_media.py | 3 ++- tests/test_utils_signal.py | 6 +++++- tests/test_webclient.py | 6 +++++- 18 files changed, 80 insertions(+), 17 deletions(-) diff --git a/extras/qps-bench-server.py b/extras/qps-bench-server.py index 70c9003e5..734614aa5 100755 --- a/extras/qps-bench-server.py +++ b/extras/qps-bench-server.py @@ -2,7 +2,7 @@ from collections import deque from time import time -from twisted.internet import reactor +from twisted.internet import reactor # noqa: TID253 from twisted.web.resource import Resource from twisted.web.server import NOT_DONE_YET, Site diff --git a/pyproject.toml b/pyproject.toml index 68c1e07bb..871da8020 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -299,6 +299,8 @@ extend-select = [ "T10", # flake8-type-checking "TC", + # flake8-tidy-imports + "TID", # pyupgrade "UP", # pycodestyle warnings @@ -398,6 +400,11 @@ ignore = [ "SIM112", ] +[tool.ruff.lint.flake8-tidy-imports] +banned-module-level-imports = [ + "twisted.internet.reactor", +] + [tool.ruff.lint.per-file-ignores] # Circular import workarounds "scrapy/linkextractors/__init__.py" = ["E402"] diff --git a/tests/CrawlerProcess/reactor_default.py b/tests/CrawlerProcess/reactor_default.py index 8f59c035c..cbe6427ea 100644 --- a/tests/CrawlerProcess/reactor_default.py +++ b/tests/CrawlerProcess/reactor_default.py @@ -1,4 +1,4 @@ -from twisted.internet import reactor # noqa: F401 +from twisted.internet import reactor # noqa: F401,TID253 from twisted.python import log import scrapy diff --git a/tests/CrawlerProcess/reactor_default_twisted_reactor_select.py b/tests/CrawlerProcess/reactor_default_twisted_reactor_select.py index 9901dd634..f7802fbc6 100644 --- a/tests/CrawlerProcess/reactor_default_twisted_reactor_select.py +++ b/tests/CrawlerProcess/reactor_default_twisted_reactor_select.py @@ -1,4 +1,4 @@ -from twisted.internet import reactor # noqa: F401 +from twisted.internet import reactor # noqa: F401,TID253 from twisted.python import log import scrapy diff --git a/tests/CrawlerRunner/change_reactor.py b/tests/CrawlerRunner/change_reactor.py index 6c0102241..c275e0583 100644 --- a/tests/CrawlerRunner/change_reactor.py +++ b/tests/CrawlerRunner/change_reactor.py @@ -26,7 +26,7 @@ runner = CrawlerRunner() d = runner.crawl(NoRequestsSpider) -from twisted.internet import reactor # noqa: E402 +from twisted.internet import reactor # noqa: E402,TID253 d.addBoth(callback=lambda _: reactor.stop()) reactor.run() diff --git a/tests/CrawlerRunner/ip_address.py b/tests/CrawlerRunner/ip_address.py index 5e2184afb..207fc86ad 100644 --- a/tests/CrawlerRunner/ip_address.py +++ b/tests/CrawlerRunner/ip_address.py @@ -6,7 +6,6 @@ install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") from urllib.parse import urlparse -from twisted.internet import reactor from twisted.names import cache, resolve from twisted.names import hosts as hostsModule from twisted.names.client import Resolver @@ -44,6 +43,8 @@ class LocalhostSpider(Spider): if __name__ == "__main__": + from twisted.internet import reactor + with MockServer() as mock_http_server, MockDNSServer() as mock_dns_server: port = urlparse(mock_http_server.http_address).port url = f"http://not.a.real.domain:{port}/echo" diff --git a/tests/mockserver.py b/tests/mockserver.py index f5c12787a..e0ac127f2 100644 --- a/tests/mockserver.py +++ b/tests/mockserver.py @@ -13,7 +13,7 @@ from typing import TYPE_CHECKING from urllib.parse import urlencode from OpenSSL import SSL -from twisted.internet import defer, reactor, ssl +from twisted.internet import defer, ssl from twisted.internet.task import deferLater from twisted.names import dns, error from twisted.names.server import DNSServerFactory @@ -114,6 +114,8 @@ class LeafResource(resource.Resource): isLeaf = True def deferRequest(self, request, delay, f, *a, **kw): + from twisted.internet import reactor + def _cancelrequest(_): # silence CancelledError d.addErrback(lambda _: None) @@ -378,6 +380,8 @@ def ssl_context_factory( if __name__ == "__main__": + from twisted.internet import reactor + parser = argparse.ArgumentParser() parser.add_argument( "-t", "--type", type=str, choices=("http", "dns"), default="http" diff --git a/tests/test_cmdline_crawl_with_pipeline/__init__.py b/tests/test_cmdline_crawl_with_pipeline/__init__.py index 5006e3689..c6fdb13ea 100644 --- a/tests/test_cmdline_crawl_with_pipeline/__init__.py +++ b/tests/test_cmdline_crawl_with_pipeline/__init__.py @@ -2,7 +2,7 @@ import sys from pathlib import Path from subprocess import PIPE, Popen -from .. import TWISTED_KEEPS_TRACEBACKS +from tests import TWISTED_KEEPS_TRACEBACKS class TestCmdlineCrawlPipeline: diff --git a/tests/test_core_downloader.py b/tests/test_core_downloader.py index 1bffd69ed..ef77f7843 100644 --- a/tests/test_core_downloader.py +++ b/tests/test_core_downloader.py @@ -8,7 +8,6 @@ from typing import Any import OpenSSL.SSL import pytest -from twisted.internet import reactor from twisted.internet.defer import Deferred, inlineCallbacks from twisted.protocols.policies import WrappingFactory from twisted.trial import unittest @@ -40,6 +39,8 @@ class TestContextFactoryBase(unittest.TestCase): context_factory = None def _listen(self, site): + from twisted.internet import reactor + return reactor.listenSSL( 0, site, @@ -71,6 +72,8 @@ class TestContextFactoryBase(unittest.TestCase): client_context_factory: BrowserLikePolicyForHTTPS, body: str | None = None, ) -> bytes: + from twisted.internet import reactor + agent = Agent(reactor, contextFactory=client_context_factory) body_producer = _RequestBodyProducer(body.encode()) if body else None response: TxResponse = await maybe_deferred_to_future( diff --git a/tests/test_downloader_handler_twisted_http2.py b/tests/test_downloader_handler_twisted_http2.py index 46322a747..159f403d0 100644 --- a/tests/test_downloader_handler_twisted_http2.py +++ b/tests/test_downloader_handler_twisted_http2.py @@ -8,7 +8,7 @@ from unittest import mock import pytest from testfixtures import LogCapture -from twisted.internet import defer, error, reactor +from twisted.internet import defer, error from twisted.web import server from twisted.web.error import SchemeNotSupported from twisted.web.http import H2_ENABLED @@ -59,6 +59,8 @@ class TestHttps2(H2DownloadHandlerMixin, TestHttps11Base): @defer.inlineCallbacks def test_download_with_maxsize_very_large_file(self): + from twisted.internet import reactor + with mock.patch("scrapy.core.http2.stream.logger") as logger: request = Request(self.getURL("largechunkedfile")) @@ -207,6 +209,8 @@ class Https2ProxyTestCase(H2DownloadHandlerMixin, TestHttpProxyBase): expected_http_proxy_request_body = b"/" def setUp(self): + from twisted.internet import reactor + site = server.Site(UriResource(), timeout=None) self.port = reactor.listenSSL( 0, diff --git a/tests/test_downloader_handlers.py b/tests/test_downloader_handlers.py index fc6ac5aee..dacadb075 100644 --- a/tests/test_downloader_handlers.py +++ b/tests/test_downloader_handlers.py @@ -12,7 +12,6 @@ from unittest import mock import pytest from twisted.cred import checkers, credentials, portal -from twisted.internet import reactor from twisted.protocols.ftp import FTPFactory, FTPRealm from twisted.trial import unittest from w3lib.url import path_to_file_uri @@ -310,6 +309,8 @@ class TestFTPBase(unittest.TestCase): ) def setUp(self): + from twisted.internet import reactor + # setup dirs and test file self.directory = Path(mkdtemp()) userdir = self.directory / self.username @@ -451,6 +452,8 @@ class TestAnonymousFTP(TestFTPBase): req_meta = {} def setUp(self): + from twisted.internet import reactor + # setup dir and test file self.directory = Path(mkdtemp()) for filename, content in self.test_files: diff --git a/tests/test_downloader_handlers_http_base.py b/tests/test_downloader_handlers_http_base.py index 46e5972f7..5eaf66966 100644 --- a/tests/test_downloader_handlers_http_base.py +++ b/tests/test_downloader_handlers_http_base.py @@ -12,7 +12,7 @@ from unittest import mock import pytest from testfixtures import LogCapture -from twisted.internet import defer, error, reactor +from twisted.internet import defer, error from twisted.protocols.policies import WrappingFactory from twisted.trial import unittest from twisted.web import resource, server, static, util @@ -52,6 +52,8 @@ class ContentLengthHeaderResource(resource.Resource): class ChunkedResource(resource.Resource): def render(self, request): + from twisted.internet import reactor + def response(): request.write(b"chunked ") request.write(b"content\n") @@ -63,6 +65,8 @@ class ChunkedResource(resource.Resource): class BrokenChunkedResource(resource.Resource): def render(self, request): + from twisted.internet import reactor + def response(): request.write(b"chunked ") request.write(b"content\n") @@ -76,6 +80,8 @@ class BrokenChunkedResource(resource.Resource): class BrokenDownloadResource(resource.Resource): def render(self, request): + from twisted.internet import reactor + def response(): request.setHeader(b"Content-Length", b"20") request.write(b"partial") @@ -105,6 +111,8 @@ class EmptyContentTypeHeaderResource(resource.Resource): class LargeChunkedFileResource(resource.Resource): def render(self, request): + from twisted.internet import reactor + def response(): for i in range(1024): request.write(b"x" * 1024) @@ -133,6 +141,8 @@ class TestHttpBase(unittest.TestCase, ABC): raise NotImplementedError def setUp(self): + from twisted.internet import reactor + self.tmpname = Path(mkdtemp()) (self.tmpname / "file").write_bytes(b"0123456789") r = static.File(str(self.tmpname)) @@ -365,6 +375,9 @@ class TestHttp11Base(TestHttpBase): @defer.inlineCallbacks def test_download_with_maxsize_very_large_file(self): + from twisted.internet import reactor + + # TODO: the logger check is specific to scrapy.core.downloader.handlers.http11 with mock.patch("scrapy.core.downloader.handlers.http11.logger") as logger: request = Request(self.getURL("largechunkedfile")) @@ -501,6 +514,8 @@ class TestSimpleHttpsBase(unittest.TestCase, ABC): raise NotImplementedError def setUp(self): + from twisted.internet import reactor + self.tmpname = Path(mkdtemp()) (self.tmpname / "file").write_bytes(b"0123456789") r = static.File(str(self.tmpname)) @@ -639,6 +654,8 @@ class TestHttpProxyBase(unittest.TestCase, ABC): raise NotImplementedError def setUp(self): + from twisted.internet import reactor + site = server.Site(UriResource(), timeout=None) wrapper = WrappingFactory(site) self.port = reactor.listenTCP(0, wrapper, interface="127.0.0.1") diff --git a/tests/test_downloadermiddleware_robotstxt.py b/tests/test_downloadermiddleware_robotstxt.py index 9518f1835..04800896c 100644 --- a/tests/test_downloadermiddleware_robotstxt.py +++ b/tests/test_downloadermiddleware_robotstxt.py @@ -4,7 +4,7 @@ from typing import TYPE_CHECKING from unittest import mock import pytest -from twisted.internet import error, reactor +from twisted.internet import error from twisted.internet.defer import Deferred, maybeDeferred from twisted.python import failure from twisted.trial import unittest @@ -53,6 +53,8 @@ Disallow: /some/randome/page.html response = TextResponse("http://site.local/robots.txt", body=ROBOTS) def return_response(request): + from twisted.internet import reactor + deferred = Deferred() reactor.callFromThread(deferred.callback, response) return deferred @@ -102,6 +104,8 @@ Disallow: /some/randome/page.html ) def return_response(request): + from twisted.internet import reactor + deferred = Deferred() reactor.callFromThread(deferred.callback, response) return deferred @@ -124,6 +128,8 @@ Disallow: /some/randome/page.html response = Response("http://site.local/robots.txt") def return_response(request): + from twisted.internet import reactor + deferred = Deferred() reactor.callFromThread(deferred.callback, response) return deferred @@ -145,6 +151,8 @@ Disallow: /some/randome/page.html err = error.DNSLookupError("Robotstxt address not found") def return_failure(request): + from twisted.internet import reactor + deferred = Deferred() reactor.callFromThread(deferred.errback, failure.Failure(err)) return deferred @@ -178,6 +186,8 @@ Disallow: /some/randome/page.html self.crawler.settings.set("ROBOTSTXT_OBEY", True) def ignore_request(request): + from twisted.internet import reactor + deferred = Deferred() reactor.callFromThread(deferred.errback, failure.Failure(IgnoreRequest())) return deferred diff --git a/tests/test_engine.py b/tests/test_engine.py index b60b510b2..1f79a081d 100644 --- a/tests/test_engine.py +++ b/tests/test_engine.py @@ -24,7 +24,7 @@ from urllib.parse import urlparse import attr from itemadapter import ItemAdapter from pydispatch import dispatcher -from twisted.internet import defer, reactor +from twisted.internet import defer from twisted.trial import unittest from twisted.web import server, static, util @@ -130,6 +130,8 @@ class ChangeCloseReasonSpider(MySpider): def start_test_site(debug=False): + from twisted.internet import reactor + root_dir = Path(tests_datadir, "test_site") r = static.File(str(root_dir)) r.putChild(b"redirect", util.Redirect(b"/redirected")) @@ -514,6 +516,8 @@ def test_request_scheduled_signal(caplog): if __name__ == "__main__": + from twisted.internet import reactor # pylint: disable=ungrouped-imports + if len(sys.argv) > 1 and sys.argv[1] == "runserver": start_test_site(debug=True) reactor.run() diff --git a/tests/test_http2_client_protocol.py b/tests/test_http2_client_protocol.py index 7c1b38877..0605c2438 100644 --- a/tests/test_http2_client_protocol.py +++ b/tests/test_http2_client_protocol.py @@ -13,7 +13,6 @@ from unittest import mock, skipIf from urllib.parse import urlencode import pytest -from twisted.internet import reactor from twisted.internet.defer import ( CancelledError, Deferred, @@ -209,6 +208,8 @@ class TestHttps2ClientProtocol(TestCase): @inlineCallbacks def setUp(self): + from twisted.internet import reactor + # Initialize resource tree root = self._init_resource() self.site = Site(root, timeout=None) diff --git a/tests/test_pipeline_media.py b/tests/test_pipeline_media.py index d915fc2a3..2d0db6e25 100644 --- a/tests/test_pipeline_media.py +++ b/tests/test_pipeline_media.py @@ -4,7 +4,6 @@ import warnings import pytest from testfixtures import LogCapture -from twisted.internet import reactor from twisted.internet.defer import Deferred, inlineCallbacks from twisted.python.failure import Failure from twisted.trial import unittest @@ -329,6 +328,8 @@ class TestMediaPipeline(TestBaseMediaPipeline): rsp1 = Response("http://url") def rsp1_func(): + from twisted.internet import reactor + dfd = Deferred().addCallback(_check_downloading) reactor.callLater(0.1, dfd.callback, rsp1) return dfd diff --git a/tests/test_utils_signal.py b/tests/test_utils_signal.py index 6dff321da..9b3ce6b0b 100644 --- a/tests/test_utils_signal.py +++ b/tests/test_utils_signal.py @@ -3,7 +3,7 @@ import asyncio import pytest from pydispatch import dispatcher from testfixtures import LogCapture -from twisted.internet import defer, reactor +from twisted.internet import defer from twisted.python.failure import Failure from twisted.trial import unittest @@ -65,6 +65,8 @@ class SendCatchLogDeferredTest(TestSendCatchLog): class SendCatchLogDeferredTest2(SendCatchLogDeferredTest): def ok_handler(self, arg, handlers_called): + from twisted.internet import reactor + handlers_called.add(self.ok_handler) assert arg == "test" d = defer.Deferred() @@ -97,6 +99,8 @@ class SendCatchLogAsyncTest(TestSendCatchLog): class SendCatchLogAsyncTest2(SendCatchLogAsyncTest): def ok_handler(self, arg, handlers_called): + from twisted.internet import reactor + handlers_called.add(self.ok_handler) assert arg == "test" d = defer.Deferred() diff --git a/tests/test_webclient.py b/tests/test_webclient.py index c3c03d6c3..e580d51ca 100644 --- a/tests/test_webclient.py +++ b/tests/test_webclient.py @@ -12,7 +12,7 @@ from urllib.parse import urlparse import OpenSSL.SSL import pytest -from twisted.internet import defer, reactor +from twisted.internet import defer from twisted.internet.defer import inlineCallbacks from twisted.internet.testing import StringTransport from twisted.protocols.policies import WrappingFactory @@ -205,6 +205,8 @@ class EncodingResource(resource.Resource): @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") class TestWebClient(unittest.TestCase): def _listen(self, site): + from twisted.internet import reactor + return reactor.listenTCP(0, site, interface="127.0.0.1") def setUp(self): @@ -318,6 +320,8 @@ class TestWebClient(unittest.TestCase): assert b"404 - No Such Resource" in pageData def testFactoryInfo(self): + from twisted.internet import reactor + url = self.getURL("file") parsed = urlparse(url) factory = client.ScrapyHTTPClientFactory(Request(url)) From 05b3b205ce296c72063e05d15f5cae8047476ca2 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 28 May 2025 18:55:44 +0500 Subject: [PATCH 484/786] Add `AsyncCrawlerProcess` and `Crawler.crawl_async()` (#6817) * Add a basic Crawler.crawl_async(). * Add custom loop tests for *CrawlerRunner. * Add AsyncCrawlerProcess. * Update related docs. * Update practices.rst. * Address test failures. * Add a note about AsyncCrawler* to the docs about switching reactors. * Address feedback. * Update for TID253. * Simplify test_crawler_crawl_async_twice_parallel_unsupported(). --- conftest.py | 2 + docs/topics/api.rst | 13 +- docs/topics/asyncio.rst | 9 +- docs/topics/practices.rst | 55 +-- docs/topics/settings.rst | 32 +- scrapy/core/engine.py | 16 +- scrapy/crawler.py | 301 ++++++++++++---- scrapy/utils/defer.py | 17 +- scrapy/utils/reactor.py | 35 +- tests/AsyncCrawlerProcess/args_settings.py | 25 ++ .../asyncio_custom_loop.py | 20 ++ ...o_custom_loop_custom_settings_different.py | 23 ++ ...syncio_custom_loop_custom_settings_same.py | 23 ++ .../asyncio_deferred_signal.py | 48 +++ .../asyncio_enabled_no_reactor.py | 27 ++ .../asyncio_enabled_reactor.py | 53 +++ .../asyncio_enabled_reactor_different_loop.py | 29 ++ .../asyncio_enabled_reactor_same_loop.py | 31 ++ .../caching_hostname_resolver.py | 35 ++ .../caching_hostname_resolver_ipv6.py | 22 ++ .../default_name_resolver.py | 18 + tests/AsyncCrawlerProcess/multi.py | 17 + tests/AsyncCrawlerProcess/reactor_default.py | 18 + tests/AsyncCrawlerProcess/simple.py | 16 + tests/AsyncCrawlerProcess/sleeping.py | 20 ++ .../twisted_reactor_asyncio.py | 15 + .../twisted_reactor_custom_settings.py | 14 + .../twisted_reactor_custom_settings_same.py | 22 ++ .../twisted_reactor_custom_settings_select.py | 30 ++ .../custom_loop_different.py | 31 ++ tests/AsyncCrawlerRunner/custom_loop_same.py | 31 ++ .../asyncio_enabled_reactor_different_loop.py | 8 +- .../asyncio_enabled_reactor_same_loop.py | 8 +- tests/CrawlerRunner/custom_loop_different.py | 29 ++ tests/CrawlerRunner/custom_loop_same.py | 29 ++ tests/test_crawler.py | 323 +++++++++++------- tests/test_utils_reactor.py | 5 +- 37 files changed, 1201 insertions(+), 249 deletions(-) create mode 100644 tests/AsyncCrawlerProcess/args_settings.py create mode 100644 tests/AsyncCrawlerProcess/asyncio_custom_loop.py create mode 100644 tests/AsyncCrawlerProcess/asyncio_custom_loop_custom_settings_different.py create mode 100644 tests/AsyncCrawlerProcess/asyncio_custom_loop_custom_settings_same.py create mode 100644 tests/AsyncCrawlerProcess/asyncio_deferred_signal.py create mode 100644 tests/AsyncCrawlerProcess/asyncio_enabled_no_reactor.py create mode 100644 tests/AsyncCrawlerProcess/asyncio_enabled_reactor.py create mode 100644 tests/AsyncCrawlerProcess/asyncio_enabled_reactor_different_loop.py create mode 100644 tests/AsyncCrawlerProcess/asyncio_enabled_reactor_same_loop.py create mode 100644 tests/AsyncCrawlerProcess/caching_hostname_resolver.py create mode 100644 tests/AsyncCrawlerProcess/caching_hostname_resolver_ipv6.py create mode 100644 tests/AsyncCrawlerProcess/default_name_resolver.py create mode 100644 tests/AsyncCrawlerProcess/multi.py create mode 100644 tests/AsyncCrawlerProcess/reactor_default.py create mode 100644 tests/AsyncCrawlerProcess/simple.py create mode 100644 tests/AsyncCrawlerProcess/sleeping.py create mode 100644 tests/AsyncCrawlerProcess/twisted_reactor_asyncio.py create mode 100644 tests/AsyncCrawlerProcess/twisted_reactor_custom_settings.py create mode 100644 tests/AsyncCrawlerProcess/twisted_reactor_custom_settings_same.py create mode 100644 tests/AsyncCrawlerProcess/twisted_reactor_custom_settings_select.py create mode 100644 tests/AsyncCrawlerRunner/custom_loop_different.py create mode 100644 tests/AsyncCrawlerRunner/custom_loop_same.py create mode 100644 tests/CrawlerRunner/custom_loop_different.py create mode 100644 tests/CrawlerRunner/custom_loop_same.py diff --git a/conftest.py b/conftest.py index 18132b7e6..ed7d14166 100644 --- a/conftest.py +++ b/conftest.py @@ -19,6 +19,8 @@ collect_ignore = [ "tests/mockserver.py", "tests/pipelines.py", "tests/spiders.py", + # contains scripts to be run by tests/test_crawler.py::AsyncCrawlerProcessSubprocess + *_py_files("tests/AsyncCrawlerProcess"), # contains scripts to be run by tests/test_crawler.py::AsyncCrawlerRunnerSubprocess *_py_files("tests/AsyncCrawlerRunner"), # contains scripts to be run by tests/test_crawler.py::CrawlerProcessSubprocess diff --git a/docs/topics/api.rst b/docs/topics/api.rst index 3e7bc45c5..b11de2914 100644 --- a/docs/topics/api.rst +++ b/docs/topics/api.rst @@ -99,13 +99,11 @@ how you :ref:`configure the downloader middlewares provided while constructing the crawler, and it is created after the arguments given in the :meth:`crawl` method. - .. method:: crawl(*args, **kwargs) + .. automethod:: crawl_async - Starts the crawler by instantiating its spider class with the given - ``args`` and ``kwargs`` arguments, while setting the execution engine in - motion. Should be called only once. + .. automethod:: crawl - Returns a deferred that is fired when the crawl is finished. + .. automethod:: stop_async .. automethod:: stop @@ -115,6 +113,11 @@ how you :ref:`configure the downloader middlewares .. autoclass:: CrawlerRunner :members: +.. autoclass:: AsyncCrawlerProcess + :show-inheritance: + :members: + :inherited-members: + .. autoclass:: CrawlerProcess :show-inheritance: :members: diff --git a/docs/topics/asyncio.rst b/docs/topics/asyncio.rst index 473ef7bfa..ad5c71fbf 100644 --- a/docs/topics/asyncio.rst +++ b/docs/topics/asyncio.rst @@ -20,7 +20,8 @@ To enable :mod:`asyncio` support, your :setting:`TWISTED_REACTOR` setting needs to be set to ``'twisted.internet.asyncioreactor.AsyncioSelectorReactor'``, which is the default value. -If you are using :class:`~scrapy.crawler.CrawlerRunner`, you also need to +If you are using :class:`~scrapy.crawler.AsyncCrawlerRunner` or +:class:`~scrapy.crawler.CrawlerRunner`, you also need to install the :class:`~twisted.internet.asyncioreactor.AsyncioSelectorReactor` reactor manually. You can do that using :func:`~scrapy.utils.reactor.install_reactor`: @@ -169,4 +170,8 @@ Switching to a non-asyncio reactor If for some reason your code doesn't work with the asyncio reactor, you can use a different reactor by setting the :setting:`TWISTED_REACTOR` setting to its import path (e.g. ``'twisted.internet.epollreactor.EPollReactor'``) or to -``None``, which will use the default reactor for your platform. +``None``, which will use the default reactor for your platform. If you are +using :class:`~scrapy.crawler.AsyncCrawlerRunner` or +:class:`~scrapy.crawler.AsyncCrawlerProcess` you also need to switch to their +Deferred-based counterparts: :class:`~scrapy.crawler.CrawlerRunner` or +:class:`~scrapy.crawler.CrawlerProcess` respectively. diff --git a/docs/topics/practices.rst b/docs/topics/practices.rst index 18005aaf2..56177ba4e 100644 --- a/docs/topics/practices.rst +++ b/docs/topics/practices.rst @@ -21,16 +21,21 @@ Remember that Scrapy is built on top of the Twisted asynchronous networking library, so you need to run it inside the Twisted reactor. The first utility you can use to run your spiders is -:class:`scrapy.crawler.CrawlerProcess`. This class will start a Twisted reactor -for you, configuring the logging and setting shutdown handlers. This class is -the one used by all Scrapy commands. +:class:`scrapy.crawler.AsyncCrawlerProcess` or +:class:`scrapy.crawler.CrawlerProcess`. These classes will start a Twisted +reactor for you, configuring the logging and setting shutdown handlers. These +classes are the ones used by all Scrapy commands. They have similar +functionality, differing in their asynchronous API style: +:class:`~scrapy.crawler.AsyncCrawlerProcess` returns coroutines from its +asynchronous methods while :class:`~scrapy.crawler.CrawlerProcess` returns +:class:`~twisted.internet.defer.Deferred` objects. Here's an example showing how to run a single spider with it. .. code-block:: python import scrapy - from scrapy.crawler import CrawlerProcess + from scrapy.crawler import AsyncCrawlerProcess class MySpider(scrapy.Spider): @@ -38,7 +43,7 @@ Here's an example showing how to run a single spider with it. ... - process = CrawlerProcess( + process = AsyncCrawlerProcess( settings={ "FEEDS": { "items.json": {"format": "json"}, @@ -49,53 +54,57 @@ Here's an example showing how to run a single spider with it. process.crawl(MySpider) process.start() # the script will block here until the crawling is finished -Define settings within dictionary in CrawlerProcess. Make sure to check :class:`~scrapy.crawler.CrawlerProcess` +You can define :ref:`settings ` within the dictionary passed +to :class:`~scrapy.crawler.AsyncCrawlerProcess`. Make sure to check the +:class:`~scrapy.crawler.AsyncCrawlerProcess` documentation to get acquainted with its usage details. If you are inside a Scrapy project there are some additional helpers you can use to import those components within the project. You can automatically import -your spiders passing their name to :class:`~scrapy.crawler.CrawlerProcess`, and -use ``get_project_settings`` to get a :class:`~scrapy.settings.Settings` -instance with your project settings. +your spiders passing their name to +:class:`~scrapy.crawler.AsyncCrawlerProcess`, and use +:func:`scrapy.utils.project.get_project_settings` to get a +:class:`~scrapy.settings.Settings` instance with your project settings. What follows is a working example of how to do that, using the `testspiders`_ project as example. .. code-block:: python - from scrapy.crawler import CrawlerProcess + from scrapy.crawler import AsyncCrawlerProcess from scrapy.utils.project import get_project_settings - process = CrawlerProcess(get_project_settings()) + process = AsyncCrawlerProcess(get_project_settings()) # 'followall' is the name of one of the spiders of the project. process.crawl("followall", domain="scrapy.org") process.start() # the script will block here until the crawling is finished There's another Scrapy utility that provides more control over the crawling -process: :class:`scrapy.crawler.AsyncCrawlerRunner` and +process: :class:`scrapy.crawler.AsyncCrawlerRunner` or :class:`scrapy.crawler.CrawlerRunner`. These classes are thin wrappers that encapsulate some simple helpers to run multiple crawlers, but they won't -start or interfere with existing reactors in any way. They have similar -functionality, differing in their asynchronous API style: -:class:`~scrapy.crawler.AsyncCrawlerRunner` returns coroutines from its -asynchronous methods while :class:`~scrapy.crawler.CrawlerRunner` returns -:class:`~twisted.internet.defer.Deferred` objects. +start or interfere with existing reactors in any way. Just like +:class:`scrapy.crawler.AsyncCrawlerProcess` and +:class:`scrapy.crawler.CrawlerProcess` they differ in their asynchronous API +style. When using these classes the reactor should be explicitly run after scheduling your spiders. It's recommended that you use :class:`~scrapy.crawler.AsyncCrawlerRunner` or :class:`~scrapy.crawler.CrawlerRunner` instead of +:class:`~scrapy.crawler.AsyncCrawlerProcess` or :class:`~scrapy.crawler.CrawlerProcess` if your application is already using Twisted and you want to run Scrapy in the same reactor. If you want to stop the reactor or run any other code right after the spider -finishes you can do that after the :meth:`AsyncCrawlerRunner.crawl() -` coroutine completes (or the Deferred -returned from :meth:`CrawlerRunner.crawl() +finishes you can do that after the task returned from +:meth:`AsyncCrawlerRunner.crawl() ` +completes (or the Deferred returned from :meth:`CrawlerRunner.crawl() ` fires). In the simplest case you can also use :func:`twisted.internet.task.react` to start and stop the reactor, though -it may be easier to just use :class:`~scrapy.crawler.CrawlerProcess` instead. +it may be easier to just use :class:`~scrapy.crawler.AsyncCrawlerProcess` or +:class:`~scrapy.crawler.CrawlerProcess` instead. Here's an example of using :class:`~scrapy.crawler.AsyncCrawlerRunner` together with simple reactor management code: @@ -171,7 +180,7 @@ Here is an example that runs multiple spiders simultaneously: .. code-block:: python import scrapy - from scrapy.crawler import CrawlerProcess + from scrapy.crawler import AsyncCrawlerProcess from scrapy.utils.project import get_project_settings @@ -186,7 +195,7 @@ Here is an example that runs multiple spiders simultaneously: settings = get_project_settings() - process = CrawlerProcess(settings) + process = AsyncCrawlerProcess(settings) process.crawl(MySpider1) process.crawl(MySpider2) process.start() # the script will block here until all crawling jobs are finished diff --git a/docs/topics/settings.rst b/docs/topics/settings.rst index 0f81a0c0a..68c5079cf 100644 --- a/docs/topics/settings.rst +++ b/docs/topics/settings.rst @@ -330,7 +330,8 @@ exception is raised. These settings are: -- :setting:`ASYNCIO_EVENT_LOOP` +- :setting:`ASYNCIO_EVENT_LOOP` (not possible to set per-spider when using + :class:`~scrapy.crawler.AsyncCrawlerProcess`, see below) - :setting:`DNS_RESOLVER` and settings used by the corresponding component, e.g. :setting:`DNSCACHE_ENABLED`, :setting:`DNSCACHE_SIZE` @@ -338,12 +339,25 @@ These settings are: - :setting:`REACTOR_THREADPOOL_MAXSIZE` -- :setting:`TWISTED_REACTOR` +- :setting:`TWISTED_REACTOR` (ignored when using + :class:`~scrapy.crawler.AsyncCrawlerProcess`, see below) :setting:`ASYNCIO_EVENT_LOOP` and :setting:`TWISTED_REACTOR` are used upon installing the reactor. The rest of the settings are applied when starting the reactor. +There is an additional restriction for :setting:`TWISTED_REACTOR` and +:setting:`ASYNCIO_EVENT_LOOP` when using +:class:`~scrapy.crawler.AsyncCrawlerProcess`: when this class is instantiated, +it installs :class:`~twisted.internet.asyncioreactor.AsyncioSelectorReactor`, +ignoring the value of :setting:`TWISTED_REACTOR` and using the value of +:setting:`ASYNCIO_EVENT_LOOP` that was passed to +:meth:`AsyncCrawlerProcess.__init__() +`. If a different value for +:setting:`TWISTED_REACTOR` or :setting:`ASYNCIO_EVENT_LOOP` is provided later, +e.g. in :ref:`per-spider settings `, an exception will be +raised. + .. _topics-settings-ref: @@ -1977,9 +1991,11 @@ Import path of a given :mod:`~twisted.internet.reactor`. Scrapy will install this reactor if no other reactor is installed yet, such as when the ``scrapy`` CLI program is invoked or when using the +:class:`~scrapy.crawler.AsyncCrawlerProcess` class or the :class:`~scrapy.crawler.CrawlerProcess` class. -If you are using the :class:`~scrapy.crawler.CrawlerRunner` class, you also +If you are using the :class:`~scrapy.crawler.AsyncCrawlerRunner` class or the +:class:`~scrapy.crawler.CrawlerRunner` class, you also need to install the correct reactor manually. You can do that using :func:`~scrapy.utils.reactor.install_reactor`: @@ -1988,12 +2004,12 @@ need to install the correct reactor manually. You can do that using If a reactor is already installed, :func:`~scrapy.utils.reactor.install_reactor` has no effect. -:meth:`CrawlerRunner.__init__ ` raises -:exc:`Exception` if the installed reactor does not match the +:class:`~scrapy.crawler.AsyncCrawlerRunner` and other similar classes raise an +exception if the installed reactor does not match the :setting:`TWISTED_REACTOR` setting; therefore, having top-level :mod:`~twisted.internet.reactor` imports in project files and imported -third-party libraries will make Scrapy raise :exc:`Exception` when -it checks which reactor is installed. +third-party libraries will make Scrapy raise an exception when it checks which +reactor is installed. In order to use the reactor installed by Scrapy: @@ -2025,7 +2041,7 @@ In order to use the reactor installed by Scrapy: self.crawler.engine.close_spider(self, "timeout") -which raises :exc:`Exception`, becomes: +which raises an exception, becomes: .. code-block:: python diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index b0d9a5452..721c81d81 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -22,6 +22,7 @@ from scrapy.exceptions import CloseSpider, DontCloseSpider, IgnoreRequest from scrapy.http import Request, Response from scrapy.utils.defer import ( deferred_f_from_coro_f, + deferred_from_coro, maybe_deferred_to_future, ) from scrapy.utils.log import failure_to_exc_info, logformatter_adapter @@ -122,8 +123,10 @@ class ExecutionEngine: ) return scheduler_cls - @deferred_f_from_coro_f - async def start(self, _start_request_processing=True) -> None: + def start(self, _start_request_processing=True) -> Deferred[None]: + return deferred_from_coro(self.start_async(_start_request_processing)) + + async def start_async(self, _start_request_processing=True) -> None: if self.running: raise RuntimeError("Engine already running") self.start_time = time() @@ -392,10 +395,15 @@ class ExecutionEngine: finally: self._slot.nextcall.schedule() - @deferred_f_from_coro_f - async def open_spider( + def open_spider(self, spider: Spider, close_if_idle: bool = True) -> Deferred[None]: + return deferred_from_coro( + self.open_spider_async(spider, close_if_idle=close_if_idle) + ) + + async def open_spider_async( self, spider: Spider, + *, close_if_idle: bool = True, ) -> None: if self._slot is not None: diff --git a/scrapy/crawler.py b/scrapy/crawler.py index 1d6532fa9..c22b8603b 100644 --- a/scrapy/crawler.py +++ b/scrapy/crawler.py @@ -21,7 +21,8 @@ from scrapy.extension import ExtensionManager from scrapy.interfaces import ISpiderLoader from scrapy.settings import BaseSettings, Settings, overridden_settings from scrapy.signalmanager import SignalManager -from scrapy.utils.defer import deferred_to_future +from scrapy.utils.asyncio import is_asyncio_available +from scrapy.utils.defer import deferred_from_coro, deferred_to_future from scrapy.utils.log import ( LogCounterHandler, configure_logging, @@ -33,8 +34,10 @@ from scrapy.utils.log import ( from scrapy.utils.misc import build_from_crawler, load_object from scrapy.utils.ossignal import install_shutdown_handlers, signal_names from scrapy.utils.reactor import ( + _asyncio_reactor_path, install_reactor, is_asyncio_reactor_installed, + is_reactor_installed, verify_installed_asyncio_event_loop, verify_installed_reactor, ) @@ -142,6 +145,12 @@ class Crawler: # this method. @inlineCallbacks def crawl(self, *args: Any, **kwargs: Any) -> Generator[Deferred[Any], Any, None]: + """Start the crawler by instantiating its spider class with the given + *args* and *kwargs* arguments, while setting the execution engine in + motion. Should be called only once. + + Return a deferred that is fired when the crawl is finished. + """ if self.crawling: raise RuntimeError("Crawling already taking place") if self._started: @@ -163,6 +172,42 @@ class Crawler: yield self.engine.close() raise + async def crawl_async(self, *args: Any, **kwargs: Any) -> None: + """Start the crawler by instantiating its spider class with the given + *args* and *kwargs* arguments, while setting the execution engine in + motion. Should be called only once. + + .. versionadded:: VERSION + + Complete when the crawl is finished. + + This function requires + :class:`~twisted.internet.asyncioreactor.AsyncioSelectorReactor` to be + installed. + """ + if not is_asyncio_available(): + raise RuntimeError("Crawler.crawl_async() requires AsyncioSelectorReactor.") + if self.crawling: + raise RuntimeError("Crawling already taking place") + if self._started: + raise RuntimeError( + "Cannot run Crawler.crawl_async() more than once on the same instance." + ) + self.crawling = self._started = True + + try: + self.spider = self._create_spider(*args, **kwargs) + self._apply_settings() + self._update_root_log_handler() + self.engine = self._create_engine() + await self.engine.open_spider_async(self.spider) + await self.engine.start_async() + except Exception: + self.crawling = False + if self.engine is not None: + await deferred_to_future(self.engine.close()) + raise + def _create_spider(self, *args: Any, **kwargs: Any) -> Spider: return self.spidercls.from_crawler(self, *args, **kwargs) @@ -171,13 +216,26 @@ class Crawler: @inlineCallbacks def stop(self) -> Generator[Deferred[Any], Any, None]: - """Starts a graceful stop of the crawler and returns a deferred that is + """Start a graceful stop of the crawler and return a deferred that is fired when the crawler is stopped.""" if self.crawling: self.crawling = False assert self.engine yield self.engine.stop() + async def stop_async(self) -> None: + """Start a graceful stop of the crawler and complete when the crawler is stopped. + + .. versionadded:: VERSION + + This function requires + :class:`~twisted.internet.asyncioreactor.AsyncioSelectorReactor` to be + installed. + """ + if not is_asyncio_available(): + raise RuntimeError("Crawler.stop_async() requires AsyncioSelectorReactor.") + await deferred_to_future(self.stop()) + @staticmethod def _get_component( component_class: type[_T], components: Iterable[Any] @@ -318,9 +376,6 @@ class CrawlerRunnerBase: spidercls = self.spider_loader.load(spidercls) return Crawler(spidercls, self.settings) - def _stop(self) -> Deferred[Any]: - return DeferredList([c.stop() for c in list(self.crawlers)]) - class CrawlerRunner(CrawlerRunnerBase): """ @@ -397,7 +452,7 @@ class CrawlerRunner(CrawlerRunnerBase): Returns a deferred that is fired when they all have ended. """ - return self._stop() + return DeferredList(c.stop() for c in self.crawlers) @inlineCallbacks def join(self) -> Generator[Deferred[Any], Any, None]: @@ -429,14 +484,14 @@ class AsyncCrawlerRunner(CrawlerRunnerBase): def __init__(self, settings: dict[str, Any] | Settings | None = None): super().__init__(settings) - self._active: set[asyncio.Future[None]] = set() + self._active: set[asyncio.Task[None]] = set() def crawl( self, crawler_or_spidercls: type[Spider] | str | Crawler, *args: Any, **kwargs: Any, - ) -> asyncio.Future[None]: + ) -> asyncio.Task[None]: """ Run a crawler with the provided arguments. @@ -447,7 +502,7 @@ class AsyncCrawlerRunner(CrawlerRunnerBase): instance, this method will try to create one using this parameter as the spider class given to it. - Returns a :class:`~asyncio.Future` object which completes when the + Returns a :class:`~asyncio.Task` object which completes when the crawling is finished. :param crawler_or_spidercls: already created crawler, or a spider class @@ -465,24 +520,27 @@ class AsyncCrawlerRunner(CrawlerRunnerBase): "it must be a spider class (or a Crawler object)" ) if not is_asyncio_reactor_installed(): - raise RuntimeError("AsyncCrawlerRunner requires AsyncioSelectorReactor.") + raise RuntimeError( + f"{type(self).__name__} requires AsyncioSelectorReactor." + ) crawler = self.create_crawler(crawler_or_spidercls) return self._crawl(crawler, *args, **kwargs) - def _crawl( - self, crawler: Crawler, *args: Any, **kwargs: Any - ) -> asyncio.Future[None]: + def _crawl(self, crawler: Crawler, *args: Any, **kwargs: Any) -> asyncio.Task[None]: + # At this point the asyncio loop has been installed either by the user + # or by AsyncCrawlerProcess (but it isn't running yet, so no asyncio.create_task()). + loop = asyncio.get_event_loop() self.crawlers.add(crawler) - future = deferred_to_future(crawler.crawl(*args, **kwargs)) - self._active.add(future) + task = loop.create_task(crawler.crawl_async(*args, **kwargs)) + self._active.add(task) - def _done(_: asyncio.Future[None]) -> None: + def _done(_: asyncio.Task[None]) -> None: self.crawlers.discard(crawler) - self._active.discard(future) + self._active.discard(task) self.bootstrap_failed |= not getattr(crawler, "spider", None) - future.add_done_callback(_done) - return future + task.add_done_callback(_done) + return task async def stop(self) -> None: """ @@ -490,7 +548,10 @@ class AsyncCrawlerRunner(CrawlerRunnerBase): Completes when they all have ended. """ - await deferred_to_future(self._stop()) + if self.crawlers: + await asyncio.wait( + [asyncio.create_task(c.stop_async()) for c in self.crawlers] + ) async def join(self) -> None: """ @@ -498,33 +559,10 @@ class AsyncCrawlerRunner(CrawlerRunnerBase): executions. """ while self._active: - await asyncio.gather(*self._active) + await asyncio.wait(self._active) -class CrawlerProcess(CrawlerRunner): - """ - A class to run multiple scrapy crawlers in a process simultaneously. - - This class extends :class:`~scrapy.crawler.CrawlerRunner` by adding support - for starting a :mod:`~twisted.internet.reactor` and handling shutdown - signals, like the keyboard interrupt command Ctrl-C. It also configures - top-level logging. - - This utility should be a better fit than - :class:`~scrapy.crawler.CrawlerRunner` if you aren't running another - :mod:`~twisted.internet.reactor` within your application. - - The CrawlerProcess object must be instantiated with a - :class:`~scrapy.settings.Settings` object. - - :param install_root_handler: whether to install root logging handler - (default: True) - - This class shouldn't be needed (since Scrapy is responsible of using it - accordingly) unless writing scripts that manually handle the crawling - process. See :ref:`run-from-script` for an example. - """ - +class CrawlerProcessBase(CrawlerRunnerBase): def __init__( self, settings: dict[str, Any] | Settings | None = None, @@ -533,7 +571,6 @@ class CrawlerProcess(CrawlerRunner): super().__init__(settings) configure_logging(self.settings, install_root_handler) log_scrapy_info(self.settings) - self._initialized_reactor: bool = False def _signal_shutdown(self, signum: int, _: Any) -> None: from twisted.internet import reactor @@ -556,6 +593,75 @@ class CrawlerProcess(CrawlerRunner): ) reactor.callFromThread(self._stop_reactor) + def _setup_reactor(self, install_signal_handlers: bool) -> None: + from twisted.internet import reactor + + resolver_class = load_object(self.settings["DNS_RESOLVER"]) + # We pass self, which is CrawlerProcess, instead of Crawler here, + # which works because the default resolvers only use crawler.settings. + resolver = build_from_crawler(resolver_class, self, reactor=reactor) # type: ignore[arg-type] + resolver.install_on_reactor() + tp = reactor.getThreadPool() + tp.adjustPoolsize(maxthreads=self.settings.getint("REACTOR_THREADPOOL_MAXSIZE")) + reactor.addSystemEventTrigger("before", "shutdown", self._stop_dfd) + if install_signal_handlers: + reactor.addSystemEventTrigger( + "after", "startup", install_shutdown_handlers, self._signal_shutdown + ) + + def _stop_dfd(self) -> Deferred[Any]: + raise NotImplementedError + + @inlineCallbacks + def _graceful_stop_reactor(self) -> Generator[Deferred[Any], Any, None]: + try: + yield self._stop_dfd() + finally: + self._stop_reactor() + + def _stop_reactor(self, _: Any = None) -> None: + from twisted.internet import reactor + + # raised if already stopped or in shutdown stage + with contextlib.suppress(RuntimeError): + reactor.stop() + + +class CrawlerProcess(CrawlerProcessBase, CrawlerRunner): + """ + A class to run multiple scrapy crawlers in a process simultaneously. + + This class extends :class:`~scrapy.crawler.CrawlerRunner` by adding support + for starting a :mod:`~twisted.internet.reactor` and handling shutdown + signals, like the keyboard interrupt command Ctrl-C. It also configures + top-level logging. + + This utility should be a better fit than + :class:`~scrapy.crawler.CrawlerRunner` if you aren't running another + :mod:`~twisted.internet.reactor` within your application. + + The CrawlerProcess object must be instantiated with a + :class:`~scrapy.settings.Settings` object. + + :param install_root_handler: whether to install root logging handler + (default: True) + + This class shouldn't be needed (since Scrapy is responsible of using it + accordingly) unless writing scripts that manually handle the crawling + process. See :ref:`run-from-script` for an example. + + This class provides Deferred-based APIs. Use :class:`AsyncCrawlerProcess` + for modern coroutine APIs. + """ + + def __init__( + self, + settings: dict[str, Any] | Settings | None = None, + install_root_handler: bool = True, + ): + super().__init__(settings, install_root_handler) + self._initialized_reactor: bool = False + def _create_crawler(self, spidercls: type[Spider] | str) -> Crawler: if isinstance(spidercls, str): spidercls = self.spider_loader.load(spidercls) @@ -563,6 +669,9 @@ class CrawlerProcess(CrawlerRunner): self._initialized_reactor = True return Crawler(spidercls, self.settings, init_reactor=init_reactor) + def _stop_dfd(self) -> Deferred[Any]: + return self.stop() + def start( self, stop_after_crawl: bool = True, install_signal_handlers: bool = True ) -> None: @@ -589,30 +698,86 @@ class CrawlerProcess(CrawlerRunner): return d.addBoth(self._stop_reactor) - resolver_class = load_object(self.settings["DNS_RESOLVER"]) - # We pass self, which is CrawlerProcess, instead of Crawler here, - # which works because the default resolvers only use crawler.settings. - resolver = build_from_crawler(resolver_class, self, reactor=reactor) # type: ignore[arg-type] - resolver.install_on_reactor() - tp = reactor.getThreadPool() - tp.adjustPoolsize(maxthreads=self.settings.getint("REACTOR_THREADPOOL_MAXSIZE")) - reactor.addSystemEventTrigger("before", "shutdown", self.stop) - if install_signal_handlers: - reactor.addSystemEventTrigger( - "after", "startup", install_shutdown_handlers, self._signal_shutdown - ) + self._setup_reactor(install_signal_handlers) reactor.run(installSignalHandlers=install_signal_handlers) # blocking call - @inlineCallbacks - def _graceful_stop_reactor(self) -> Generator[Deferred[Any], Any, None]: - try: - yield self.stop() - finally: - self._stop_reactor() - def _stop_reactor(self, _: Any = None) -> None: +class AsyncCrawlerProcess(CrawlerProcessBase, AsyncCrawlerRunner): + """ + A class to run multiple scrapy crawlers in a process simultaneously. + + This class extends :class:`~scrapy.crawler.AsyncCrawlerRunner` by adding support + for starting a :mod:`~twisted.internet.reactor` and handling shutdown + signals, like the keyboard interrupt command Ctrl-C. It also configures + top-level logging. + + This utility should be a better fit than + :class:`~scrapy.crawler.AsyncCrawlerRunner` if you aren't running another + :mod:`~twisted.internet.reactor` within your application. + + The AsyncCrawlerProcess object must be instantiated with a + :class:`~scrapy.settings.Settings` object. + + :param install_root_handler: whether to install root logging handler + (default: True) + + This class shouldn't be needed (since Scrapy is responsible of using it + accordingly) unless writing scripts that manually handle the crawling + process. See :ref:`run-from-script` for an example. + + This class provides coroutine APIs. It requires + :class:`~twisted.internet.asyncioreactor.AsyncioSelectorReactor`. + """ + + def __init__( + self, + settings: dict[str, Any] | Settings | None = None, + install_root_handler: bool = True, + ): + super().__init__(settings, install_root_handler) + # We want the asyncio event loop to be installed early, so that it's + # always the correct one. And as we do that, we can also install the + # reactor here. + # The ASYNCIO_EVENT_LOOP setting cannot be overridden by add-ons and + # spiders when using AsyncCrawlerProcess. + loop_path = self.settings["ASYNCIO_EVENT_LOOP"] + if is_reactor_installed(): + # The user could install a reactor before this class is instantiated. + # We need to make sure the reactor is the correct one and the loop + # type matches the setting. + verify_installed_reactor(_asyncio_reactor_path) + if loop_path: + verify_installed_asyncio_event_loop(loop_path) + else: + install_reactor(_asyncio_reactor_path, loop_path) + self._initialized_reactor = True + + def _stop_dfd(self) -> Deferred[Any]: + return deferred_from_coro(self.stop()) + + def start( + self, stop_after_crawl: bool = True, install_signal_handlers: bool = True + ) -> None: + """ + This method starts a :mod:`~twisted.internet.reactor`, adjusts its pool + size to :setting:`REACTOR_THREADPOOL_MAXSIZE`, and installs a DNS cache + based on :setting:`DNSCACHE_ENABLED` and :setting:`DNSCACHE_SIZE`. + + If ``stop_after_crawl`` is True, the reactor will be stopped after all + crawlers have finished, using :meth:`join`. + + :param bool stop_after_crawl: stop or not the reactor when all + crawlers have finished + + :param bool install_signal_handlers: whether to install the OS signal + handlers from Twisted and Scrapy (default: True) + """ from twisted.internet import reactor - # raised if already stopped or in shutdown stage - with contextlib.suppress(RuntimeError): - reactor.stop() + if stop_after_crawl: + loop = asyncio.get_event_loop() + join_task = loop.create_task(self.join()) + join_task.add_done_callback(self._stop_reactor) + + self._setup_reactor(install_signal_handlers) + reactor.run(installSignalHandlers=install_signal_handlers) # blocking call diff --git a/scrapy/utils/defer.py b/scrapy/utils/defer.py index 4649c4daa..2df82c8f2 100644 --- a/scrapy/utils/defer.py +++ b/scrapy/utils/defer.py @@ -23,7 +23,6 @@ from twisted.python import failure from scrapy.exceptions import IgnoreRequest, ScrapyDeprecationWarning from scrapy.utils.asyncio import is_asyncio_available -from scrapy.utils.reactor import _get_asyncio_event_loop if TYPE_CHECKING: from collections.abc import AsyncIterator, Callable @@ -385,8 +384,7 @@ def deferred_from_coro(o: Awaitable[_T] | _T2) -> Deferred[_T] | _T2: # that use asyncio, e.g. "await asyncio.sleep(1)" return Deferred.fromCoroutine(cast(Coroutine[Deferred[Any], Any, _T], o)) # wrapping the coroutine into a Future and then into a Deferred, this requires AsyncioSelectorReactor - event_loop = _get_asyncio_event_loop() - return Deferred.fromFuture(asyncio.ensure_future(o, loop=event_loop)) + return Deferred.fromFuture(asyncio.ensure_future(o)) return o @@ -430,6 +428,10 @@ def deferred_to_future(d: Deferred[_T]) -> Future[_T]: Return an :class:`asyncio.Future` object that wraps *d*. + This function requires + :class:`~twisted.internet.asyncioreactor.AsyncioSelectorReactor` to be + installed. + When :ref:`using the asyncio reactor `, you cannot await on :class:`~twisted.internet.defer.Deferred` objects from :ref:`Scrapy callables defined as coroutines `, you can only await on @@ -442,8 +444,15 @@ def deferred_to_future(d: Deferred[_T]) -> Future[_T]: additional_request = scrapy.Request('https://example.org/price') deferred = self.crawler.engine.download(additional_request) additional_response = await deferred_to_future(deferred) + + .. versionchanged:: VERSION + This function no longer installs an asyncio loop if called before the + Twisted asyncio reactor is installed. A :exc:`RuntimeError` is raised + in this case. """ - return d.asFuture(_get_asyncio_event_loop()) + if not is_asyncio_available(): + raise RuntimeError("deferred_to_future() requires AsyncioSelectorReactor.") + return d.asFuture(asyncio.get_event_loop()) def maybe_deferred_to_future(d: Deferred[_T]) -> Deferred[_T] | Future[_T]: diff --git a/scrapy/utils/reactor.py b/scrapy/utils/reactor.py index 5e76da37b..2fb1e0ce7 100644 --- a/scrapy/utils/reactor.py +++ b/scrapy/utils/reactor.py @@ -10,6 +10,7 @@ from twisted.internet import asyncioreactor, error from twisted.internet.defer import Deferred from scrapy.utils.misc import load_object +from scrapy.utils.python import global_object_name if TYPE_CHECKING: from asyncio import AbstractEventLoop, AbstractEventLoopPolicy @@ -87,6 +88,9 @@ class CallLaterOnce(Generic[_T]): await maybe_deferred_to_future(d) +_asyncio_reactor_path = "twisted.internet.asyncioreactor.AsyncioSelectorReactor" + + def set_asyncio_event_loop_policy() -> None: """The policy functions from asyncio often behave unexpectedly, so we restrict their use to the absolutely essential case. @@ -161,21 +165,34 @@ def set_asyncio_event_loop(event_loop_path: str | None) -> AbstractEventLoop: def verify_installed_reactor(reactor_path: str) -> None: - """Raises :exc:`Exception` if the installed + """Raise :exc:`RuntimeError` if the installed :mod:`~twisted.internet.reactor` does not match the specified import - path.""" + path or if no reactor is installed.""" + if not is_reactor_installed(): + raise RuntimeError( + "verify_installed_reactor() called without an installed reactor." + ) + from twisted.internet import reactor - reactor_class = load_object(reactor_path) - if not reactor.__class__ == reactor_class: + expected_reactor_type = load_object(reactor_path) + reactor_type = type(reactor) + if not reactor_type == expected_reactor_type: raise RuntimeError( - "The installed reactor " - f"({reactor.__module__}.{reactor.__class__.__name__}) does not " - f"match the requested one ({reactor_path})" + f"The installed reactor ({global_object_name(reactor_type)}) " + f"does not match the requested one ({reactor_path})" ) def verify_installed_asyncio_event_loop(loop_path: str) -> None: + """Raise :exc:`RuntimeError` if the even loop of the installed + :class:`~twisted.internet.asyncioreactor.AsyncioSelectorReactor` + does not match the specified import path or if no reactor is installed.""" + if not is_reactor_installed(): + raise RuntimeError( + "verify_installed_asyncio_event_loop() called without an installed reactor." + ) + from twisted.internet import reactor loop_class = load_object(loop_path) @@ -185,16 +202,16 @@ def verify_installed_asyncio_event_loop(loop_path: str) -> None: f"{reactor._asyncioEventloop.__class__.__module__}" f".{reactor._asyncioEventloop.__class__.__qualname__}" ) - specified = f"{loop_class.__module__}.{loop_class.__qualname__}" raise RuntimeError( "Scrapy found an asyncio Twisted reactor already " f"installed, and its event loop class ({installed}) does " "not match the one specified in the ASYNCIO_EVENT_LOOP " - f"setting ({specified})" + f"setting ({global_object_name(loop_class)})" ) def is_reactor_installed() -> bool: + """Check whether a :mod:`~twisted.internet.reactor` is installed.""" return "twisted.internet.reactor" in sys.modules diff --git a/tests/AsyncCrawlerProcess/args_settings.py b/tests/AsyncCrawlerProcess/args_settings.py new file mode 100644 index 000000000..5e162e782 --- /dev/null +++ b/tests/AsyncCrawlerProcess/args_settings.py @@ -0,0 +1,25 @@ +from typing import Any + +import scrapy +from scrapy.crawler import AsyncCrawlerProcess, Crawler + + +class NoRequestsSpider(scrapy.Spider): + name = "no_request" + + @classmethod + def from_crawler(cls, crawler: Crawler, *args: Any, **kwargs: Any): + spider = super().from_crawler(crawler, *args, **kwargs) + spider.settings.set("FOO", kwargs.get("foo")) + return spider + + async def start(self): + self.logger.info(f"The value of FOO is {self.settings.getint('FOO')}") + return + yield + + +process = AsyncCrawlerProcess(settings={}) + +process.crawl(NoRequestsSpider, foo=42) +process.start() diff --git a/tests/AsyncCrawlerProcess/asyncio_custom_loop.py b/tests/AsyncCrawlerProcess/asyncio_custom_loop.py new file mode 100644 index 000000000..172e36b7b --- /dev/null +++ b/tests/AsyncCrawlerProcess/asyncio_custom_loop.py @@ -0,0 +1,20 @@ +import scrapy +from scrapy.crawler import AsyncCrawlerProcess + + +class NoRequestsSpider(scrapy.Spider): + name = "no_request" + + async def start(self): + return + yield + + +process = AsyncCrawlerProcess( + settings={ + "TWISTED_REACTOR": "twisted.internet.asyncioreactor.AsyncioSelectorReactor", + "ASYNCIO_EVENT_LOOP": "uvloop.Loop", + } +) +process.crawl(NoRequestsSpider) +process.start() diff --git a/tests/AsyncCrawlerProcess/asyncio_custom_loop_custom_settings_different.py b/tests/AsyncCrawlerProcess/asyncio_custom_loop_custom_settings_different.py new file mode 100644 index 000000000..d76da51a1 --- /dev/null +++ b/tests/AsyncCrawlerProcess/asyncio_custom_loop_custom_settings_different.py @@ -0,0 +1,23 @@ +import scrapy +from scrapy.crawler import AsyncCrawlerProcess + + +class NoRequestsSpider(scrapy.Spider): + name = "no_request" + custom_settings = { + "ASYNCIO_EVENT_LOOP": "uvloop.Loop", + } + + async def start(self): + return + yield + + +process = AsyncCrawlerProcess( + settings={ + "TWISTED_REACTOR": "twisted.internet.asyncioreactor.AsyncioSelectorReactor", + "ASYNCIO_EVENT_LOOP": None, + } +) +process.crawl(NoRequestsSpider) +process.start() diff --git a/tests/AsyncCrawlerProcess/asyncio_custom_loop_custom_settings_same.py b/tests/AsyncCrawlerProcess/asyncio_custom_loop_custom_settings_same.py new file mode 100644 index 000000000..bd4a99e14 --- /dev/null +++ b/tests/AsyncCrawlerProcess/asyncio_custom_loop_custom_settings_same.py @@ -0,0 +1,23 @@ +import scrapy +from scrapy.crawler import AsyncCrawlerProcess + + +class NoRequestsSpider(scrapy.Spider): + name = "no_request" + custom_settings = { + "ASYNCIO_EVENT_LOOP": "uvloop.Loop", + } + + async def start(self): + return + yield + + +process = AsyncCrawlerProcess( + settings={ + "TWISTED_REACTOR": "twisted.internet.asyncioreactor.AsyncioSelectorReactor", + "ASYNCIO_EVENT_LOOP": "uvloop.Loop", + } +) +process.crawl(NoRequestsSpider) +process.start() diff --git a/tests/AsyncCrawlerProcess/asyncio_deferred_signal.py b/tests/AsyncCrawlerProcess/asyncio_deferred_signal.py new file mode 100644 index 000000000..c32aaf37d --- /dev/null +++ b/tests/AsyncCrawlerProcess/asyncio_deferred_signal.py @@ -0,0 +1,48 @@ +from __future__ import annotations + +import asyncio +import sys + +from scrapy import Spider +from scrapy.crawler import AsyncCrawlerProcess +from scrapy.utils.defer import deferred_from_coro + + +class UppercasePipeline: + async def _open_spider(self, spider): + spider.logger.info("async pipeline opened!") + await asyncio.sleep(0.1) + + def open_spider(self, spider): + return deferred_from_coro(self._open_spider(spider)) + + def process_item(self, item, spider): + return {"url": item["url"].upper()} + + +class UrlSpider(Spider): + name = "url_spider" + start_urls = ["data:,"] + custom_settings = { + "ITEM_PIPELINES": {UppercasePipeline: 100}, + } + + def parse(self, response): + yield {"url": response.url} + + +if __name__ == "__main__": + ASYNCIO_EVENT_LOOP: str | None + try: + ASYNCIO_EVENT_LOOP = sys.argv[1] + except IndexError: + ASYNCIO_EVENT_LOOP = None + + process = AsyncCrawlerProcess( + settings={ + "TWISTED_REACTOR": "twisted.internet.asyncioreactor.AsyncioSelectorReactor", + "ASYNCIO_EVENT_LOOP": ASYNCIO_EVENT_LOOP, + } + ) + process.crawl(UrlSpider) + process.start() diff --git a/tests/AsyncCrawlerProcess/asyncio_enabled_no_reactor.py b/tests/AsyncCrawlerProcess/asyncio_enabled_no_reactor.py new file mode 100644 index 000000000..3c47eb826 --- /dev/null +++ b/tests/AsyncCrawlerProcess/asyncio_enabled_no_reactor.py @@ -0,0 +1,27 @@ +import scrapy +from scrapy.crawler import AsyncCrawlerProcess +from scrapy.utils.reactor import is_asyncio_reactor_installed + + +class ReactorCheckExtension: + def __init__(self): + if not is_asyncio_reactor_installed(): + raise RuntimeError("ReactorCheckExtension requires the asyncio reactor.") + + +class NoRequestsSpider(scrapy.Spider): + name = "no_request" + + async def start(self): + return + yield + + +process = AsyncCrawlerProcess( + settings={ + "TWISTED_REACTOR": "twisted.internet.asyncioreactor.AsyncioSelectorReactor", + "EXTENSIONS": {ReactorCheckExtension: 0}, + } +) +process.crawl(NoRequestsSpider) +process.start() diff --git a/tests/AsyncCrawlerProcess/asyncio_enabled_reactor.py b/tests/AsyncCrawlerProcess/asyncio_enabled_reactor.py new file mode 100644 index 000000000..e025e17d1 --- /dev/null +++ b/tests/AsyncCrawlerProcess/asyncio_enabled_reactor.py @@ -0,0 +1,53 @@ +import scrapy +from scrapy.crawler import AsyncCrawlerProcess +from scrapy.utils.reactor import ( + install_reactor, + is_asyncio_reactor_installed, + is_reactor_installed, +) + +if is_reactor_installed(): + raise RuntimeError( + "Reactor already installed before is_asyncio_reactor_installed()." + ) + +try: + is_asyncio_reactor_installed() +except RuntimeError: + pass +else: + raise RuntimeError("is_asyncio_reactor_installed() did not raise RuntimeError.") + +if is_reactor_installed(): + raise RuntimeError( + "Reactor already installed after is_asyncio_reactor_installed()." + ) + +install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") + +if not is_asyncio_reactor_installed(): + raise RuntimeError("Wrong reactor installed after install_reactor().") + + +class ReactorCheckExtension: + def __init__(self): + if not is_asyncio_reactor_installed(): + raise RuntimeError("ReactorCheckExtension requires the asyncio reactor.") + + +class NoRequestsSpider(scrapy.Spider): + name = "no_request" + + async def start(self): + return + yield + + +process = AsyncCrawlerProcess( + settings={ + "TWISTED_REACTOR": "twisted.internet.asyncioreactor.AsyncioSelectorReactor", + "EXTENSIONS": {ReactorCheckExtension: 0}, + } +) +process.crawl(NoRequestsSpider) +process.start() diff --git a/tests/AsyncCrawlerProcess/asyncio_enabled_reactor_different_loop.py b/tests/AsyncCrawlerProcess/asyncio_enabled_reactor_different_loop.py new file mode 100644 index 000000000..4257bc0ac --- /dev/null +++ b/tests/AsyncCrawlerProcess/asyncio_enabled_reactor_different_loop.py @@ -0,0 +1,29 @@ +import asyncio +import sys + +from twisted.internet import asyncioreactor + +import scrapy +from scrapy.crawler import AsyncCrawlerProcess + +if sys.platform == "win32": + asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy()) +asyncioreactor.install(asyncio.get_event_loop()) + + +class NoRequestsSpider(scrapy.Spider): + name = "no_request" + + async def start(self): + return + yield + + +process = AsyncCrawlerProcess( + settings={ + "TWISTED_REACTOR": "twisted.internet.asyncioreactor.AsyncioSelectorReactor", + "ASYNCIO_EVENT_LOOP": "uvloop.Loop", + } +) +process.crawl(NoRequestsSpider) +process.start() diff --git a/tests/AsyncCrawlerProcess/asyncio_enabled_reactor_same_loop.py b/tests/AsyncCrawlerProcess/asyncio_enabled_reactor_same_loop.py new file mode 100644 index 000000000..9c6fd090b --- /dev/null +++ b/tests/AsyncCrawlerProcess/asyncio_enabled_reactor_same_loop.py @@ -0,0 +1,31 @@ +import asyncio +import sys + +from twisted.internet import asyncioreactor +from uvloop import Loop + +import scrapy +from scrapy.crawler import AsyncCrawlerProcess + +if sys.platform == "win32": + asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy()) +asyncio.set_event_loop(Loop()) +asyncioreactor.install(asyncio.get_event_loop()) + + +class NoRequestsSpider(scrapy.Spider): + name = "no_request" + + async def start(self): + return + yield + + +process = AsyncCrawlerProcess( + settings={ + "TWISTED_REACTOR": "twisted.internet.asyncioreactor.AsyncioSelectorReactor", + "ASYNCIO_EVENT_LOOP": "uvloop.Loop", + } +) +process.crawl(NoRequestsSpider) +process.start() diff --git a/tests/AsyncCrawlerProcess/caching_hostname_resolver.py b/tests/AsyncCrawlerProcess/caching_hostname_resolver.py new file mode 100644 index 000000000..5f75d5e17 --- /dev/null +++ b/tests/AsyncCrawlerProcess/caching_hostname_resolver.py @@ -0,0 +1,35 @@ +import sys + +import scrapy +from scrapy.crawler import AsyncCrawlerProcess + + +class CachingHostnameResolverSpider(scrapy.Spider): + """ + Finishes in a finite amount of time (does not hang indefinitely in the DNS resolution) + """ + + name = "caching_hostname_resolver_spider" + + async def start(self): + yield scrapy.Request(self.url) + + def parse(self, response): + for _ in range(10): + yield scrapy.Request( + response.url, dont_filter=True, callback=self.ignore_response + ) + + def ignore_response(self, response): + self.logger.info(repr(response.ip_address)) + + +if __name__ == "__main__": + process = AsyncCrawlerProcess( + settings={ + "RETRY_ENABLED": False, + "DNS_RESOLVER": "scrapy.resolver.CachingHostnameResolver", + } + ) + process.crawl(CachingHostnameResolverSpider, url=sys.argv[1]) + process.start() diff --git a/tests/AsyncCrawlerProcess/caching_hostname_resolver_ipv6.py b/tests/AsyncCrawlerProcess/caching_hostname_resolver_ipv6.py new file mode 100644 index 000000000..c43f0a9c2 --- /dev/null +++ b/tests/AsyncCrawlerProcess/caching_hostname_resolver_ipv6.py @@ -0,0 +1,22 @@ +import scrapy +from scrapy.crawler import AsyncCrawlerProcess + + +class CachingHostnameResolverSpider(scrapy.Spider): + """ + Finishes without a twisted.internet.error.DNSLookupError exception + """ + + name = "caching_hostname_resolver_spider" + start_urls = ["http://[::1]"] + + +if __name__ == "__main__": + process = AsyncCrawlerProcess( + settings={ + "RETRY_ENABLED": False, + "DNS_RESOLVER": "scrapy.resolver.CachingHostnameResolver", + } + ) + process.crawl(CachingHostnameResolverSpider) + process.start() diff --git a/tests/AsyncCrawlerProcess/default_name_resolver.py b/tests/AsyncCrawlerProcess/default_name_resolver.py new file mode 100644 index 000000000..af56ccd01 --- /dev/null +++ b/tests/AsyncCrawlerProcess/default_name_resolver.py @@ -0,0 +1,18 @@ +import scrapy +from scrapy.crawler import AsyncCrawlerProcess + + +class IPv6Spider(scrapy.Spider): + """ + Raises a twisted.internet.error.DNSLookupError: + the default name resolver does not handle IPv6 addresses. + """ + + name = "ipv6_spider" + start_urls = ["http://[::1]"] + + +if __name__ == "__main__": + process = AsyncCrawlerProcess(settings={"RETRY_ENABLED": False}) + process.crawl(IPv6Spider) + process.start() diff --git a/tests/AsyncCrawlerProcess/multi.py b/tests/AsyncCrawlerProcess/multi.py new file mode 100644 index 000000000..2eede5471 --- /dev/null +++ b/tests/AsyncCrawlerProcess/multi.py @@ -0,0 +1,17 @@ +import scrapy +from scrapy.crawler import AsyncCrawlerProcess + + +class NoRequestsSpider(scrapy.Spider): + name = "no_request" + + async def start(self): + return + yield + + +process = AsyncCrawlerProcess(settings={}) + +process.crawl(NoRequestsSpider) +process.crawl(NoRequestsSpider) +process.start() diff --git a/tests/AsyncCrawlerProcess/reactor_default.py b/tests/AsyncCrawlerProcess/reactor_default.py new file mode 100644 index 000000000..9638652bd --- /dev/null +++ b/tests/AsyncCrawlerProcess/reactor_default.py @@ -0,0 +1,18 @@ +from twisted.internet import reactor # noqa: F401,TID253 + +import scrapy +from scrapy.crawler import AsyncCrawlerProcess + + +class NoRequestsSpider(scrapy.Spider): + name = "no_request" + + async def start(self): + return + yield + + +process = AsyncCrawlerProcess(settings={}) + +d = process.crawl(NoRequestsSpider) +process.start() diff --git a/tests/AsyncCrawlerProcess/simple.py b/tests/AsyncCrawlerProcess/simple.py new file mode 100644 index 000000000..d24b4f193 --- /dev/null +++ b/tests/AsyncCrawlerProcess/simple.py @@ -0,0 +1,16 @@ +import scrapy +from scrapy.crawler import AsyncCrawlerProcess + + +class NoRequestsSpider(scrapy.Spider): + name = "no_request" + + async def start(self): + return + yield + + +process = AsyncCrawlerProcess(settings={}) + +process.crawl(NoRequestsSpider) +process.start() diff --git a/tests/AsyncCrawlerProcess/sleeping.py b/tests/AsyncCrawlerProcess/sleeping.py new file mode 100644 index 000000000..88caf5032 --- /dev/null +++ b/tests/AsyncCrawlerProcess/sleeping.py @@ -0,0 +1,20 @@ +import asyncio +import sys + +import scrapy +from scrapy.crawler import AsyncCrawlerProcess + + +class SleepingSpider(scrapy.Spider): + name = "sleeping" + + start_urls = ["data:,;"] + + async def parse(self, response): + await asyncio.sleep(int(sys.argv[1])) + + +process = AsyncCrawlerProcess(settings={}) + +process.crawl(SleepingSpider) +process.start() diff --git a/tests/AsyncCrawlerProcess/twisted_reactor_asyncio.py b/tests/AsyncCrawlerProcess/twisted_reactor_asyncio.py new file mode 100644 index 000000000..dc820ea3a --- /dev/null +++ b/tests/AsyncCrawlerProcess/twisted_reactor_asyncio.py @@ -0,0 +1,15 @@ +import scrapy +from scrapy.crawler import AsyncCrawlerProcess + + +class AsyncioReactorSpider(scrapy.Spider): + name = "asyncio_reactor" + + +process = AsyncCrawlerProcess( + settings={ + "TWISTED_REACTOR": "twisted.internet.asyncioreactor.AsyncioSelectorReactor", + } +) +process.crawl(AsyncioReactorSpider) +process.start() diff --git a/tests/AsyncCrawlerProcess/twisted_reactor_custom_settings.py b/tests/AsyncCrawlerProcess/twisted_reactor_custom_settings.py new file mode 100644 index 000000000..5fd48274a --- /dev/null +++ b/tests/AsyncCrawlerProcess/twisted_reactor_custom_settings.py @@ -0,0 +1,14 @@ +import scrapy +from scrapy.crawler import AsyncCrawlerProcess + + +class AsyncioReactorSpider(scrapy.Spider): + name = "asyncio_reactor" + custom_settings = { + "TWISTED_REACTOR": "twisted.internet.asyncioreactor.AsyncioSelectorReactor", + } + + +process = AsyncCrawlerProcess() +process.crawl(AsyncioReactorSpider) +process.start() diff --git a/tests/AsyncCrawlerProcess/twisted_reactor_custom_settings_same.py b/tests/AsyncCrawlerProcess/twisted_reactor_custom_settings_same.py new file mode 100644 index 000000000..c205c3cd2 --- /dev/null +++ b/tests/AsyncCrawlerProcess/twisted_reactor_custom_settings_same.py @@ -0,0 +1,22 @@ +import scrapy +from scrapy.crawler import AsyncCrawlerProcess + + +class AsyncioReactorSpider1(scrapy.Spider): + name = "asyncio_reactor1" + custom_settings = { + "TWISTED_REACTOR": "twisted.internet.asyncioreactor.AsyncioSelectorReactor", + } + + +class AsyncioReactorSpider2(scrapy.Spider): + name = "asyncio_reactor2" + custom_settings = { + "TWISTED_REACTOR": "twisted.internet.asyncioreactor.AsyncioSelectorReactor", + } + + +process = AsyncCrawlerProcess() +process.crawl(AsyncioReactorSpider1) +process.crawl(AsyncioReactorSpider2) +process.start() diff --git a/tests/AsyncCrawlerProcess/twisted_reactor_custom_settings_select.py b/tests/AsyncCrawlerProcess/twisted_reactor_custom_settings_select.py new file mode 100644 index 000000000..68239e651 --- /dev/null +++ b/tests/AsyncCrawlerProcess/twisted_reactor_custom_settings_select.py @@ -0,0 +1,30 @@ +from __future__ import annotations + +import logging +from typing import TYPE_CHECKING + +import scrapy +from scrapy.crawler import AsyncCrawlerProcess + +if TYPE_CHECKING: + from asyncio import Task + + +class AsyncioReactorSpider(scrapy.Spider): + name = "asyncio_reactor" + custom_settings = { + "TWISTED_REACTOR": "twisted.internet.selectreactor.SelectReactor", + } + + +def log_task_exception(task: Task) -> None: + try: + task.result() + except Exception: + logging.exception("Crawl task failed") + + +process = AsyncCrawlerProcess() +task = process.crawl(AsyncioReactorSpider) +task.add_done_callback(log_task_exception) +process.start() diff --git a/tests/AsyncCrawlerRunner/custom_loop_different.py b/tests/AsyncCrawlerRunner/custom_loop_different.py new file mode 100644 index 000000000..89cf0e536 --- /dev/null +++ b/tests/AsyncCrawlerRunner/custom_loop_different.py @@ -0,0 +1,31 @@ +from twisted.internet.task import react + +from scrapy import Spider +from scrapy.crawler import AsyncCrawlerRunner +from scrapy.utils.defer import deferred_f_from_coro_f +from scrapy.utils.log import configure_logging +from scrapy.utils.reactor import install_reactor + + +class NoRequestsSpider(Spider): + name = "no_request" + + custom_settings = { + "TWISTED_REACTOR": "twisted.internet.asyncioreactor.AsyncioSelectorReactor", + "ASYNCIO_EVENT_LOOP": "uvloop.Loop", + } + + async def start(self): + return + yield + + +@deferred_f_from_coro_f +async def main(reactor): + configure_logging() + runner = AsyncCrawlerRunner() + await runner.crawl(NoRequestsSpider) + + +install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") +react(main) diff --git a/tests/AsyncCrawlerRunner/custom_loop_same.py b/tests/AsyncCrawlerRunner/custom_loop_same.py new file mode 100644 index 000000000..43d0dc053 --- /dev/null +++ b/tests/AsyncCrawlerRunner/custom_loop_same.py @@ -0,0 +1,31 @@ +from twisted.internet.task import react + +from scrapy import Spider +from scrapy.crawler import AsyncCrawlerRunner +from scrapy.utils.defer import deferred_f_from_coro_f +from scrapy.utils.log import configure_logging +from scrapy.utils.reactor import install_reactor + + +class NoRequestsSpider(Spider): + name = "no_request" + + custom_settings = { + "TWISTED_REACTOR": "twisted.internet.asyncioreactor.AsyncioSelectorReactor", + "ASYNCIO_EVENT_LOOP": "uvloop.Loop", + } + + async def start(self): + return + yield + + +@deferred_f_from_coro_f +async def main(reactor): + configure_logging() + runner = AsyncCrawlerRunner() + await runner.crawl(NoRequestsSpider) + + +install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor", "uvloop.Loop") +react(main) diff --git a/tests/CrawlerProcess/asyncio_enabled_reactor_different_loop.py b/tests/CrawlerProcess/asyncio_enabled_reactor_different_loop.py index d8c467f40..7c50277b9 100644 --- a/tests/CrawlerProcess/asyncio_enabled_reactor_different_loop.py +++ b/tests/CrawlerProcess/asyncio_enabled_reactor_different_loop.py @@ -4,12 +4,12 @@ import sys from twisted.internet import asyncioreactor from twisted.python import log +import scrapy +from scrapy.crawler import CrawlerProcess + if sys.platform == "win32": asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy()) -asyncioreactor.install(asyncio.get_event_loop()) - -import scrapy # noqa: E402 -from scrapy.crawler import CrawlerProcess # noqa: E402 +asyncioreactor.install() class NoRequestsSpider(scrapy.Spider): diff --git a/tests/CrawlerProcess/asyncio_enabled_reactor_same_loop.py b/tests/CrawlerProcess/asyncio_enabled_reactor_same_loop.py index e7d3ca9cc..578e0029d 100644 --- a/tests/CrawlerProcess/asyncio_enabled_reactor_same_loop.py +++ b/tests/CrawlerProcess/asyncio_enabled_reactor_same_loop.py @@ -4,13 +4,13 @@ import sys from twisted.internet import asyncioreactor from uvloop import Loop +import scrapy +from scrapy.crawler import CrawlerProcess + if sys.platform == "win32": asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy()) asyncio.set_event_loop(Loop()) -asyncioreactor.install(asyncio.get_event_loop()) - -import scrapy # noqa: E402 -from scrapy.crawler import CrawlerProcess # noqa: E402 +asyncioreactor.install() class NoRequestsSpider(scrapy.Spider): diff --git a/tests/CrawlerRunner/custom_loop_different.py b/tests/CrawlerRunner/custom_loop_different.py new file mode 100644 index 000000000..86ba1ed47 --- /dev/null +++ b/tests/CrawlerRunner/custom_loop_different.py @@ -0,0 +1,29 @@ +from twisted.internet.task import react + +from scrapy import Spider +from scrapy.crawler import CrawlerRunner +from scrapy.utils.log import configure_logging +from scrapy.utils.reactor import install_reactor + + +class NoRequestsSpider(Spider): + name = "no_request" + + custom_settings = { + "TWISTED_REACTOR": "twisted.internet.asyncioreactor.AsyncioSelectorReactor", + "ASYNCIO_EVENT_LOOP": "uvloop.Loop", + } + + async def start(self): + return + yield + + +def main(reactor): + configure_logging() + runner = CrawlerRunner() + return runner.crawl(NoRequestsSpider) + + +install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") +react(main) diff --git a/tests/CrawlerRunner/custom_loop_same.py b/tests/CrawlerRunner/custom_loop_same.py new file mode 100644 index 000000000..98b8dde87 --- /dev/null +++ b/tests/CrawlerRunner/custom_loop_same.py @@ -0,0 +1,29 @@ +from twisted.internet.task import react + +from scrapy import Spider +from scrapy.crawler import CrawlerRunner +from scrapy.utils.log import configure_logging +from scrapy.utils.reactor import install_reactor + + +class NoRequestsSpider(Spider): + name = "no_request" + + custom_settings = { + "TWISTED_REACTOR": "twisted.internet.asyncioreactor.AsyncioSelectorReactor", + "ASYNCIO_EVENT_LOOP": "uvloop.Loop", + } + + async def start(self): + return + yield + + +def main(reactor): + configure_logging() + runner = CrawlerRunner() + return runner.crawl(NoRequestsSpider) + + +install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor", "uvloop.Loop") +react(main) diff --git a/tests/test_crawler.py b/tests/test_crawler.py index a1d3c02fb..ce5963cd7 100644 --- a/tests/test_crawler.py +++ b/tests/test_crawler.py @@ -1,3 +1,4 @@ +import asyncio import logging import platform import re @@ -5,6 +6,7 @@ import signal import subprocess import sys import warnings +from abc import ABC, abstractmethod from pathlib import Path from typing import Any @@ -18,12 +20,18 @@ from zope.interface.exceptions import MultipleInvalid import scrapy from scrapy import Spider -from scrapy.crawler import AsyncCrawlerRunner, Crawler, CrawlerProcess, CrawlerRunner +from scrapy.crawler import ( + AsyncCrawlerProcess, + AsyncCrawlerRunner, + Crawler, + CrawlerProcess, + CrawlerRunner, +) from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.extensions.throttle import AutoThrottle from scrapy.settings import Settings, default_settings from scrapy.spiderloader import SpiderLoader -from scrapy.utils.defer import deferred_from_coro +from scrapy.utils.defer import deferred_f_from_coro_f, deferred_from_coro from scrapy.utils.log import configure_logging, get_scrapy_root_handler from scrapy.utils.spider import DefaultSpider from scrapy.utils.test import get_crawler, get_reactor_settings @@ -88,12 +96,39 @@ class TestCrawler(TestBaseCrawler): Crawler(DefaultSpider()) @inlineCallbacks - def test_crawler_crawl_twice_unsupported(self): + def test_crawler_crawl_twice_seq_unsupported(self): crawler = get_raw_crawler(NoRequestsSpider, BASE_SETTINGS) yield crawler.crawl() with pytest.raises(RuntimeError, match="more than once on the same instance"): yield crawler.crawl() + @pytest.mark.only_asyncio + @deferred_f_from_coro_f + async def test_crawler_crawl_async_twice_seq_unsupported(self): + crawler = get_raw_crawler(NoRequestsSpider, BASE_SETTINGS) + await crawler.crawl_async() + with pytest.raises(RuntimeError, match="more than once on the same instance"): + await crawler.crawl_async() + + @inlineCallbacks + def test_crawler_crawl_twice_parallel_unsupported(self): + crawler = get_raw_crawler(NoRequestsSpider, BASE_SETTINGS) + d1 = crawler.crawl() + d2 = crawler.crawl() + yield d1 + with pytest.raises(RuntimeError, match="Crawling already taking place"): + yield d2 + + @pytest.mark.only_asyncio + @deferred_f_from_coro_f + async def test_crawler_crawl_async_twice_parallel_unsupported(self): + crawler = get_raw_crawler(NoRequestsSpider, BASE_SETTINGS) + t1 = asyncio.create_task(crawler.crawl_async()) + t2 = asyncio.create_task(crawler.crawl_async()) + await t1 + with pytest.raises(RuntimeError, match="Crawling already taking place"): + await t2 + def test_get_addon(self): class ParentAddon: pass @@ -590,6 +625,18 @@ class TestCrawlerProcess(TestBaseCrawler): self.assertOptionIsDefault(runner.settings, "RETRY_ENABLED") +@pytest.mark.only_asyncio +class TestAsyncCrawlerProcess(TestBaseCrawler): + def test_crawler_process_accepts_dict(self): + runner = AsyncCrawlerProcess({"foo": "bar"}) + assert runner.settings["foo"] == "bar" + self.assertOptionIsDefault(runner.settings, "RETRY_ENABLED") + + def test_crawler_process_accepts_None(self): + runner = AsyncCrawlerProcess() + self.assertOptionIsDefault(runner.settings, "RETRY_ENABLED") + + class ExceptionSpider(scrapy.Spider): name = "exception" @@ -692,8 +739,15 @@ class TestAsyncCrawlerRunnerHasSpider(TestCrawlerRunnerHasSpider): pytest.skip("This test is only for CrawlerRunner") -class ScriptRunnerMixin: - script_dir: Path +class ScriptRunnerMixin(ABC): + @property + @abstractmethod + def script_dir(self) -> Path: + raise NotImplementedError + + @staticmethod + def get_script_dir(name: str) -> Path: + return Path(__file__).parent.resolve() / name def get_script_args(self, script_name: str, *script_args: str) -> list[str]: script_path = self.script_dir / script_name @@ -711,8 +765,10 @@ class ScriptRunnerMixin: return stderr.decode("utf-8") -class TestCrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): - script_dir = Path(__file__).parent.resolve() / "CrawlerProcess" +class TestCrawlerProcessSubprocessBase(ScriptRunnerMixin, unittest.TestCase): + """Common tests between CrawlerProcess and AsyncCrawlerProcess, + with the same file names and expectations. + """ def test_simple(self): log = self.run_script("simple.py") @@ -739,48 +795,6 @@ class TestCrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): "(twisted.internet.asyncioreactor.AsyncioSelectorReactor)" ) in log - def test_reactor_default_twisted_reactor_select(self): - log = self.run_script("reactor_default_twisted_reactor_select.py") - if platform.system() in ["Windows", "Darwin"]: - # The goal of this test function is to test that, when a reactor is - # installed (the default one here) and a different reactor is - # configured (select here), an error raises. - # - # In Windows the default reactor is the select reactor, so that - # error does not raise. - # - # If that ever becomes the case on more platforms (i.e. if Linux - # also starts using the select reactor by default in a future - # version of Twisted), then we will need to rethink this test. - assert "Spider closed (finished)" in log - else: - assert "Spider closed (finished)" not in log - assert ( - "does not match the requested one " - "(twisted.internet.selectreactor.SelectReactor)" - ) in log - - def test_reactor_select(self): - log = self.run_script("reactor_select.py") - assert "Spider closed (finished)" not in log - assert ( - "does not match the requested one " - "(twisted.internet.asyncioreactor.AsyncioSelectorReactor)" - ) in log - - def test_reactor_select_twisted_reactor_select(self): - log = self.run_script("reactor_select_twisted_reactor_select.py") - assert "Spider closed (finished)" in log - assert "ReactorAlreadyInstalledError" not in log - - def test_reactor_select_subclass_twisted_reactor_select(self): - log = self.run_script("reactor_select_subclass_twisted_reactor_select.py") - assert "Spider closed (finished)" not in log - assert ( - "does not match the requested one " - "(twisted.internet.selectreactor.SelectReactor)" - ) in log - def test_asyncio_enabled_no_reactor(self): log = self.run_script("asyncio_enabled_no_reactor.py") assert "Spider closed (finished)" in log @@ -829,19 +843,6 @@ class TestCrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): assert "TimeoutError" not in log assert "twisted.internet.error.DNSLookupError" not in log - def test_twisted_reactor_select(self): - log = self.run_script("twisted_reactor_select.py") - assert "Spider closed (finished)" in log - assert "Using reactor: twisted.internet.selectreactor.SelectReactor" in log - - @pytest.mark.skipif( - platform.system() == "Windows", reason="PollReactor is not supported on Windows" - ) - def test_twisted_reactor_poll(self): - log = self.run_script("twisted_reactor_poll.py") - assert "Spider closed (finished)" in log - assert "Using reactor: twisted.internet.pollreactor.PollReactor" in log - def test_twisted_reactor_asyncio(self): log = self.run_script("twisted_reactor_asyncio.py") assert "Spider closed (finished)" in log @@ -866,14 +867,6 @@ class TestCrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): in log ) - def test_twisted_reactor_asyncio_custom_settings_conflict(self): - log = self.run_script("twisted_reactor_custom_settings_conflict.py") - assert "Using reactor: twisted.internet.selectreactor.SelectReactor" in log - assert ( - "(twisted.internet.selectreactor.SelectReactor) does not match the requested one" - in log - ) - @pytest.mark.requires_uvloop def test_custom_loop_asyncio(self): log = self.run_script("asyncio_custom_loop.py") @@ -960,8 +953,113 @@ class TestCrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase): p.wait() -class TestCrawlerRunnerSubprocess(ScriptRunnerMixin): - script_dir = Path(__file__).parent.resolve() / "CrawlerRunner" +class TestCrawlerProcessSubprocess(TestCrawlerProcessSubprocessBase): + @property + def script_dir(self) -> Path: + return self.get_script_dir("CrawlerProcess") + + def test_reactor_default_twisted_reactor_select(self): + log = self.run_script("reactor_default_twisted_reactor_select.py") + if platform.system() in ["Windows", "Darwin"]: + # The goal of this test function is to test that, when a reactor is + # installed (the default one here) and a different reactor is + # configured (select here), an error raises. + # + # In Windows the default reactor is the select reactor, so that + # error does not raise. + # + # If that ever becomes the case on more platforms (i.e. if Linux + # also starts using the select reactor by default in a future + # version of Twisted), then we will need to rethink this test. + assert "Spider closed (finished)" in log + else: + assert "Spider closed (finished)" not in log + assert ( + "does not match the requested one " + "(twisted.internet.selectreactor.SelectReactor)" + ) in log + + def test_reactor_select(self): + log = self.run_script("reactor_select.py") + assert "Spider closed (finished)" not in log + assert ( + "does not match the requested one " + "(twisted.internet.asyncioreactor.AsyncioSelectorReactor)" + ) in log + + def test_reactor_select_twisted_reactor_select(self): + log = self.run_script("reactor_select_twisted_reactor_select.py") + assert "Spider closed (finished)" in log + assert "ReactorAlreadyInstalledError" not in log + + def test_reactor_select_subclass_twisted_reactor_select(self): + log = self.run_script("reactor_select_subclass_twisted_reactor_select.py") + assert "Spider closed (finished)" not in log + assert ( + "does not match the requested one " + "(twisted.internet.selectreactor.SelectReactor)" + ) in log + + def test_twisted_reactor_select(self): + log = self.run_script("twisted_reactor_select.py") + assert "Spider closed (finished)" in log + assert "Using reactor: twisted.internet.selectreactor.SelectReactor" in log + + @pytest.mark.skipif( + platform.system() == "Windows", reason="PollReactor is not supported on Windows" + ) + def test_twisted_reactor_poll(self): + log = self.run_script("twisted_reactor_poll.py") + assert "Spider closed (finished)" in log + assert "Using reactor: twisted.internet.pollreactor.PollReactor" in log + + def test_twisted_reactor_asyncio_custom_settings_conflict(self): + log = self.run_script("twisted_reactor_custom_settings_conflict.py") + assert "Using reactor: twisted.internet.selectreactor.SelectReactor" in log + assert ( + "(twisted.internet.selectreactor.SelectReactor) does not match the requested one" + in log + ) + + +class TestAsyncCrawlerProcessSubprocess(TestCrawlerProcessSubprocessBase): + @property + def script_dir(self) -> Path: + return self.get_script_dir("AsyncCrawlerProcess") + + def test_twisted_reactor_custom_settings_select(self): + log = self.run_script("twisted_reactor_custom_settings_select.py") + assert "Spider closed (finished)" not in log + assert ( + "(twisted.internet.asyncioreactor.AsyncioSelectorReactor) " + "does not match the requested one " + "(twisted.internet.selectreactor.SelectReactor)" + ) in log + + @pytest.mark.requires_uvloop + def test_asyncio_enabled_reactor_same_loop(self): + log = self.run_script("asyncio_custom_loop_custom_settings_same.py") + assert "Spider closed (finished)" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + in log + ) + assert "Using asyncio event loop: uvloop.Loop" in log + + @pytest.mark.requires_uvloop + def test_asyncio_enabled_reactor_different_loop(self): + log = self.run_script("asyncio_custom_loop_custom_settings_different.py") + assert "Spider closed (finished)" not in log + assert ( + "does not match the one specified in the ASYNCIO_EVENT_LOOP " + "setting (uvloop.Loop)" + ) in log + + +class TestCrawlerRunnerSubprocessBase(ScriptRunnerMixin): + """Common tests between CrawlerRunner and AsyncCrawlerRunner, + with the same file names and expectations. + """ def test_simple(self): log = self.run_script("simple.py") @@ -971,14 +1069,6 @@ class TestCrawlerRunnerSubprocess(ScriptRunnerMixin): in log ) - def test_explicit_default_reactor(self): - log = self.run_script("explicit_default_reactor.py") - assert "Spider closed (finished)" in log - assert ( - "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" - not in log - ) - def test_multi_parallel(self): log = self.run_script("multi_parallel.py") assert "Spider closed (finished)" in log @@ -1005,6 +1095,39 @@ class TestCrawlerRunnerSubprocess(ScriptRunnerMixin): re.DOTALL, ) + @pytest.mark.requires_uvloop + def test_custom_loop_same(self): + log = self.run_script("custom_loop_same.py") + assert "Spider closed (finished)" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + in log + ) + assert "Using asyncio event loop: uvloop.Loop" in log + + @pytest.mark.requires_uvloop + def test_custom_loop_different(self): + log = self.run_script("custom_loop_different.py") + assert "Spider closed (finished)" not in log + assert ( + "does not match the one specified in the ASYNCIO_EVENT_LOOP " + "setting (uvloop.Loop)" + ) in log + + +class TestCrawlerRunnerSubprocess(TestCrawlerRunnerSubprocessBase): + @property + def script_dir(self) -> Path: + return self.get_script_dir("CrawlerRunner") + + def test_explicit_default_reactor(self): + log = self.run_script("explicit_default_reactor.py") + assert "Spider closed (finished)" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + not in log + ) + def test_response_ip_address(self): log = self.run_script("ip_address.py") assert "INFO: Spider closed (finished)" in log @@ -1021,48 +1144,16 @@ class TestCrawlerRunnerSubprocess(ScriptRunnerMixin): assert "DEBUG: Using asyncio event loop" in log -class TestAsyncCrawlerRunnerSubprocess(ScriptRunnerMixin): - script_dir = Path(__file__).parent.resolve() / "AsyncCrawlerRunner" - - def test_simple(self): - log = self.run_script("simple.py") - assert "Spider closed (finished)" in log - assert ( - "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" - in log - ) +class TestAsyncCrawlerRunnerSubprocess(TestCrawlerRunnerSubprocessBase): + @property + def script_dir(self) -> Path: + return self.get_script_dir("AsyncCrawlerRunner") def test_simple_default_reactor(self): log = self.run_script("simple_default_reactor.py") assert "Spider closed (finished)" not in log assert "RuntimeError: AsyncCrawlerRunner requires AsyncioSelectorReactor" in log - def test_multi_parallel(self): - log = self.run_script("multi_parallel.py") - assert "Spider closed (finished)" in log - assert ( - "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" - in log - ) - assert re.search( - r"Spider opened.+Spider opened.+Closing spider.+Closing spider", - log, - re.DOTALL, - ) - - def test_multi_seq(self): - log = self.run_script("multi_seq.py") - assert "Spider closed (finished)" in log - assert ( - "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" - in log - ) - assert re.search( - r"Spider opened.+Closing spider.+Spider opened.+Closing spider", - log, - re.DOTALL, - ) - @pytest.mark.parametrize( ("settings", "items"), diff --git a/tests/test_utils_reactor.py b/tests/test_utils_reactor.py index 99f175c60..eb00ab193 100644 --- a/tests/test_utils_reactor.py +++ b/tests/test_utils_reactor.py @@ -6,6 +6,7 @@ from twisted.trial.unittest import TestCase from scrapy.utils.defer import deferred_f_from_coro_f from scrapy.utils.reactor import ( + _asyncio_reactor_path, install_reactor, is_asyncio_reactor_installed, set_asyncio_event_loop, @@ -22,7 +23,7 @@ class TestAsyncio(TestCase): from twisted.internet import reactor as original_reactor with warnings.catch_warnings(record=True) as w: - install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") + install_reactor(_asyncio_reactor_path) assert len(w) == 0, [str(warning) for warning in w] from twisted.internet import reactor # pylint: disable=reimported @@ -31,5 +32,5 @@ class TestAsyncio(TestCase): @pytest.mark.only_asyncio @deferred_f_from_coro_f async def test_set_asyncio_event_loop(self): - install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") + install_reactor(_asyncio_reactor_path) assert set_asyncio_event_loop(None) is asyncio.get_running_loop() From e0b9f2d8f6f0feec9626e314166d5ae320d83be1 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 28 May 2025 19:57:33 +0500 Subject: [PATCH 485/786] Don't use CrawlerProcess in the commands that don't need it. (#6824) * Don't use CrawlerProcess in the commands that don't need it. * Use a dummy spider loader in runspider. --- docs/topics/api.rst | 2 + docs/topics/settings.rst | 9 -- scrapy/cmdline.py | 3 +- scrapy/commands/__init__.py | 9 +- scrapy/commands/check.py | 1 + scrapy/commands/edit.py | 7 +- scrapy/commands/genspider.py | 14 ++- scrapy/commands/list.py | 7 +- scrapy/commands/runspider.py | 3 +- scrapy/commands/settings.py | 7 +- scrapy/commands/startproject.py | 4 +- scrapy/commands/version.py | 3 +- scrapy/crawler.py | 20 +--- scrapy/spiderloader.py | 31 +++++- tests/test_crawler.py | 5 - tests/test_spiderloader/__init__.py | 145 ++++++++++++++-------------- 16 files changed, 150 insertions(+), 120 deletions(-) diff --git a/docs/topics/api.rst b/docs/topics/api.rst index b11de2914..d90eb0bad 100644 --- a/docs/topics/api.rst +++ b/docs/topics/api.rst @@ -213,6 +213,8 @@ SpiderLoader API :param request: queried request :type request: :class:`~scrapy.Request` instance +.. autoclass:: DummySpiderLoader + .. _topics-api-signals: Signals API diff --git a/docs/topics/settings.rst b/docs/topics/settings.rst index 68c5079cf..65f2e5ebd 100644 --- a/docs/topics/settings.rst +++ b/docs/topics/settings.rst @@ -1868,15 +1868,6 @@ it will fail loudly if there is any ``ImportError`` or ``SyntaxError`` exception But you can choose to silence this exception and turn it into a simple warning by setting ``SPIDER_LOADER_WARN_ONLY = True``. -.. note:: - Some :ref:`scrapy commands ` run with this setting to ``True`` - already (i.e. they will only issue a warning and will not fail) - since they do not actually need to load spider classes to work: - :command:`scrapy runspider `, - :command:`scrapy settings `, - :command:`scrapy startproject `, - :command:`scrapy version `. - .. setting:: SPIDER_MIDDLEWARES SPIDER_MIDDLEWARES diff --git a/scrapy/cmdline.py b/scrapy/cmdline.py index b08fd3409..81e507a4e 100644 --- a/scrapy/cmdline.py +++ b/scrapy/cmdline.py @@ -201,7 +201,8 @@ def execute(argv: list[str] | None = None, settings: Settings | None = None) -> opts, args = parser.parse_known_args(args=argv[1:]) _run_print_help(parser, cmd.process_options, args, opts) - cmd.crawler_process = CrawlerProcess(settings) + if cmd.requires_crawler_process: + cmd.crawler_process = CrawlerProcess(settings) _run_print_help(parser, _run_command, cmd, args, opts) sys.exit(cmd.exitcode) diff --git a/scrapy/commands/__init__.py b/scrapy/commands/__init__.py index 56199cc01..2818ead77 100644 --- a/scrapy/commands/__init__.py +++ b/scrapy/commands/__init__.py @@ -19,11 +19,13 @@ if TYPE_CHECKING: from collections.abc import Iterable from scrapy.crawler import Crawler, CrawlerProcess + from scrapy.settings import Settings class ScrapyCommand: requires_project: bool = False - crawler_process: CrawlerProcess | None = None + requires_crawler_process: bool = True + crawler_process: CrawlerProcess | None = None # set in scrapy.cmdline # default settings to be used for this command instead of global defaults default_settings: dict[str, Any] = {} @@ -31,7 +33,7 @@ class ScrapyCommand: exitcode: int = 0 def __init__(self) -> None: - self.settings: Any = None # set in scrapy.cmdline + self.settings: Settings | None = None # set in scrapy.cmdline def set_crawler(self, crawler: Crawler) -> None: if hasattr(self, "_crawler"): @@ -68,6 +70,7 @@ class ScrapyCommand: """ Populate option parse with options available for this command """ + assert self.settings is not None group = parser.add_argument_group(title="Global Options") group.add_argument( "--logfile", metavar="FILE", help="log file. if omitted stderr will be used" @@ -100,6 +103,7 @@ class ScrapyCommand: group.add_argument("--pdb", action="store_true", help="enable pdb on failure") def process_options(self, args: list[str], opts: argparse.Namespace) -> None: + assert self.settings is not None try: self.settings.setdict(arglist_to_dict(opts.set), priority="cmdline") except ValueError: @@ -170,6 +174,7 @@ class BaseRunSpiderCommand(ScrapyCommand): except ValueError: raise UsageError("Invalid -a value, use -a NAME=VALUE", print_help=False) if opts.output or opts.overwrite_output: + assert self.settings is not None feeds = feed_process_params_from_cli( self.settings, opts.output, diff --git a/scrapy/commands/check.py b/scrapy/commands/check.py index 56dc1ea55..e9ada0fb6 100644 --- a/scrapy/commands/check.py +++ b/scrapy/commands/check.py @@ -69,6 +69,7 @@ class Command(ScrapyCommand): def run(self, args: list[str], opts: argparse.Namespace) -> None: # load contracts + assert self.settings is not None contracts = build_component_list(self.settings.getwithbase("SPIDER_CONTRACTS")) conman = ContractsManager(load_object(c) for c in contracts) runner = TextTestRunner(verbosity=2 if opts.verbose else 1) diff --git a/scrapy/commands/edit.py b/scrapy/commands/edit.py index d153a5271..f2d52673a 100644 --- a/scrapy/commands/edit.py +++ b/scrapy/commands/edit.py @@ -4,10 +4,12 @@ import sys from scrapy.commands import ScrapyCommand from scrapy.exceptions import UsageError +from scrapy.spiderloader import get_spider_loader class Command(ScrapyCommand): requires_project = True + requires_crawler_process = False default_settings = {"LOG_ENABLED": False} def syntax(self) -> str: @@ -30,10 +32,11 @@ class Command(ScrapyCommand): if len(args) != 1: raise UsageError + assert self.settings is not None editor = self.settings["EDITOR"] - assert self.crawler_process + spider_loader = get_spider_loader(self.settings) try: - spidercls = self.crawler_process.spider_loader.load(args[0]) + spidercls = spider_loader.load(args[0]) except KeyError: self._err(f"Spider not found: {args[0]}") return diff --git a/scrapy/commands/genspider.py b/scrapy/commands/genspider.py index 6d4aec3d8..c4abfc4c9 100644 --- a/scrapy/commands/genspider.py +++ b/scrapy/commands/genspider.py @@ -11,6 +11,7 @@ from urllib.parse import urlparse import scrapy from scrapy.commands import ScrapyCommand from scrapy.exceptions import UsageError +from scrapy.spiderloader import get_spider_loader from scrapy.utils.template import render_templatefile, string_camelcase if TYPE_CHECKING: @@ -46,6 +47,7 @@ def verify_url_scheme(url: str) -> str: class Command(ScrapyCommand): requires_project = False + requires_crawler_process = False default_settings = {"LOG_ENABLED": False} def syntax(self) -> str: @@ -92,6 +94,7 @@ class Command(ScrapyCommand): ) def run(self, args: list[str], opts: argparse.Namespace) -> None: + assert self.settings is not None if opts.list: self._list_templates() return @@ -127,6 +130,7 @@ class Command(ScrapyCommand): url: str, template_name: str, ) -> dict[str, Any]: + assert self.settings is not None capitalized_module = "".join(s.capitalize() for s in module.split("_")) return { "project_name": self.settings.get("BOT_NAME"), @@ -147,6 +151,7 @@ class Command(ScrapyCommand): template_file: str | os.PathLike, ) -> None: """Generate the spider module, based on the given template""" + assert self.settings is not None tvars = self._generate_template_variables(module, name, url, template_name) if self.settings.get("NEWSPIDER_MODULE"): spiders_module = import_module(self.settings["NEWSPIDER_MODULE"]) @@ -180,6 +185,7 @@ class Command(ScrapyCommand): print(f" {file.stem}") def _spider_exists(self, name: str) -> bool: + assert self.settings is not None if not self.settings.get("NEWSPIDER_MODULE"): # if run as a standalone command and file with same filename already exists path = Path(name + ".py") @@ -188,12 +194,9 @@ class Command(ScrapyCommand): return True return False - assert self.crawler_process is not None, ( - "crawler_process must be set before calling run" - ) - + spider_loader = get_spider_loader(self.settings) try: - spidercls = self.crawler_process.spider_loader.load(name) + spidercls = spider_loader.load(name) except KeyError: pass else: @@ -215,6 +218,7 @@ class Command(ScrapyCommand): @property def templates_dir(self) -> str: + assert self.settings is not None return str( Path( self.settings["TEMPLATES_DIR"] or Path(scrapy.__path__[0], "templates"), diff --git a/scrapy/commands/list.py b/scrapy/commands/list.py index 3b2f127c2..b4dc97f3d 100644 --- a/scrapy/commands/list.py +++ b/scrapy/commands/list.py @@ -3,6 +3,7 @@ from __future__ import annotations from typing import TYPE_CHECKING from scrapy.commands import ScrapyCommand +from scrapy.spiderloader import get_spider_loader if TYPE_CHECKING: import argparse @@ -10,12 +11,14 @@ if TYPE_CHECKING: class Command(ScrapyCommand): requires_project = True + requires_crawler_process = False default_settings = {"LOG_ENABLED": False} def short_desc(self) -> str: return "List available spiders" def run(self, args: list[str], opts: argparse.Namespace) -> None: - assert self.crawler_process - for s in sorted(self.crawler_process.spider_loader.list()): + assert self.settings is not None + spider_loader = get_spider_loader(self.settings) + for s in sorted(spider_loader.list()): print(s) diff --git a/scrapy/commands/runspider.py b/scrapy/commands/runspider.py index 357ca8b37..3e826456e 100644 --- a/scrapy/commands/runspider.py +++ b/scrapy/commands/runspider.py @@ -7,6 +7,7 @@ from typing import TYPE_CHECKING from scrapy.commands import BaseRunSpiderCommand from scrapy.exceptions import UsageError +from scrapy.spiderloader import DummySpiderLoader from scrapy.utils.spider import iter_spider_classes if TYPE_CHECKING: @@ -30,7 +31,7 @@ def _import_file(filepath: str | PathLike[str]) -> ModuleType: class Command(BaseRunSpiderCommand): requires_project = False - default_settings = {"SPIDER_LOADER_WARN_ONLY": True} + default_settings = {"SPIDER_LOADER_CLASS": DummySpiderLoader} def syntax(self) -> str: return "[options] " diff --git a/scrapy/commands/settings.py b/scrapy/commands/settings.py index 59f86b9a7..e63031f2d 100644 --- a/scrapy/commands/settings.py +++ b/scrapy/commands/settings.py @@ -7,7 +7,8 @@ from scrapy.settings import BaseSettings class Command(ScrapyCommand): requires_project = False - default_settings = {"LOG_ENABLED": False, "SPIDER_LOADER_WARN_ONLY": True} + requires_crawler_process = False + default_settings = {"LOG_ENABLED": False} def syntax(self) -> str: return "[options]" @@ -46,8 +47,8 @@ class Command(ScrapyCommand): ) def run(self, args: list[str], opts: argparse.Namespace) -> None: - assert self.crawler_process - settings = self.crawler_process.settings + assert self.settings is not None + settings = self.settings if opts.get: s = settings.get(opts.get) if isinstance(s, BaseSettings): diff --git a/scrapy/commands/startproject.py b/scrapy/commands/startproject.py index 1adc1530f..323979193 100644 --- a/scrapy/commands/startproject.py +++ b/scrapy/commands/startproject.py @@ -34,7 +34,8 @@ def _make_writable(path: Path) -> None: class Command(ScrapyCommand): requires_project = False - default_settings = {"LOG_ENABLED": False, "SPIDER_LOADER_WARN_ONLY": True} + requires_crawler_process = False + default_settings = {"LOG_ENABLED": False} def syntax(self) -> str: return " [project_dir]" @@ -132,6 +133,7 @@ class Command(ScrapyCommand): @property def templates_dir(self) -> str: + assert self.settings is not None return str( Path( self.settings["TEMPLATES_DIR"] or Path(scrapy.__path__[0], "templates"), diff --git a/scrapy/commands/version.py b/scrapy/commands/version.py index 713a78ad9..30b0e9fd7 100644 --- a/scrapy/commands/version.py +++ b/scrapy/commands/version.py @@ -6,7 +6,8 @@ from scrapy.utils.versions import get_versions class Command(ScrapyCommand): - default_settings = {"LOG_ENABLED": False, "SPIDER_LOADER_WARN_ONLY": True} + requires_crawler_process = False + default_settings = {"LOG_ENABLED": False} def syntax(self) -> str: return "[-v]" diff --git a/scrapy/crawler.py b/scrapy/crawler.py index c22b8603b..8e3223a5c 100644 --- a/scrapy/crawler.py +++ b/scrapy/crawler.py @@ -5,22 +5,21 @@ import contextlib import logging import pprint import signal -from typing import TYPE_CHECKING, Any, TypeVar, cast +from typing import TYPE_CHECKING, Any, TypeVar from twisted.internet.defer import ( Deferred, DeferredList, inlineCallbacks, ) -from zope.interface.verify import verifyClass from scrapy import Spider, signals from scrapy.addons import AddonManager from scrapy.core.engine import ExecutionEngine from scrapy.extension import ExtensionManager -from scrapy.interfaces import ISpiderLoader -from scrapy.settings import BaseSettings, Settings, overridden_settings +from scrapy.settings import Settings, overridden_settings from scrapy.signalmanager import SignalManager +from scrapy.spiderloader import SpiderLoaderProtocol, get_spider_loader from scrapy.utils.asyncio import is_asyncio_available from scrapy.utils.defer import deferred_from_coro, deferred_to_future from scrapy.utils.log import ( @@ -46,7 +45,6 @@ if TYPE_CHECKING: from collections.abc import Generator, Iterable from scrapy.logformatter import LogFormatter - from scrapy.spiderloader import SpiderLoaderProtocol from scrapy.statscollectors import StatsCollector from scrapy.utils.request import RequestFingerprinterProtocol @@ -324,22 +322,12 @@ class Crawler: class CrawlerRunnerBase: - @staticmethod - def _get_spider_loader(settings: BaseSettings) -> SpiderLoaderProtocol: - """Get SpiderLoader instance from settings""" - cls_path = settings.get("SPIDER_LOADER_CLASS") - loader_cls = load_object(cls_path) - verifyClass(ISpiderLoader, loader_cls) - return cast( - "SpiderLoaderProtocol", loader_cls.from_settings(settings.frozencopy()) - ) - def __init__(self, settings: dict[str, Any] | Settings | None = None): if isinstance(settings, dict) or settings is None: settings = Settings(settings) AddonManager.load_pre_crawler_settings(settings) self.settings: Settings = settings - self.spider_loader: SpiderLoaderProtocol = self._get_spider_loader(settings) + self.spider_loader: SpiderLoaderProtocol = get_spider_loader(settings) self._crawlers: set[Crawler] = set() self.bootstrap_failed = False diff --git a/scrapy/spiderloader.py b/scrapy/spiderloader.py index f537e0593..8eac188c8 100644 --- a/scrapy/spiderloader.py +++ b/scrapy/spiderloader.py @@ -3,12 +3,13 @@ from __future__ import annotations import traceback import warnings from collections import defaultdict -from typing import TYPE_CHECKING, Protocol +from typing import TYPE_CHECKING, Protocol, cast from zope.interface import implementer +from zope.interface.verify import verifyClass from scrapy.interfaces import ISpiderLoader -from scrapy.utils.misc import walk_modules +from scrapy.utils.misc import load_object, walk_modules from scrapy.utils.spider import iter_spider_classes if TYPE_CHECKING: @@ -21,6 +22,14 @@ if TYPE_CHECKING: from scrapy.settings import BaseSettings +def get_spider_loader(settings: BaseSettings) -> SpiderLoaderProtocol: + """Get SpiderLoader instance from settings""" + cls_path = settings.get("SPIDER_LOADER_CLASS") + loader_cls = load_object(cls_path) + verifyClass(ISpiderLoader, loader_cls) + return cast("SpiderLoaderProtocol", loader_cls.from_settings(settings.frozencopy())) + + class SpiderLoaderProtocol(Protocol): @classmethod def from_settings(cls, settings: BaseSettings) -> Self: @@ -120,3 +129,21 @@ class SpiderLoader: Return a list with the names of all spiders available in the project. """ return list(self._spiders.keys()) + + +@implementer(ISpiderLoader) +class DummySpiderLoader: + """A dummy spider loader that does not load any spiders.""" + + @classmethod + def from_settings(cls, settings: BaseSettings) -> Self: + return cls() + + def load(self, spider_name: str) -> type[Spider]: + raise KeyError("DummySpiderLoader doesn't load any spiders") + + def list(self) -> list[str]: + return [] + + def find_by_request(self, request: Request) -> __builtins__.list[str]: + return [] diff --git a/tests/test_crawler.py b/tests/test_crawler.py index ce5963cd7..56cb21650 100644 --- a/tests/test_crawler.py +++ b/tests/test_crawler.py @@ -30,7 +30,6 @@ from scrapy.crawler import ( from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.extensions.throttle import AutoThrottle from scrapy.settings import Settings, default_settings -from scrapy.spiderloader import SpiderLoader from scrapy.utils.defer import deferred_f_from_coro_f, deferred_from_coro from scrapy.utils.log import configure_logging, get_scrapy_root_handler from scrapy.utils.spider import DefaultSpider @@ -570,10 +569,6 @@ class SpiderLoaderWithWrongInterface: pass -class CustomSpiderLoader(SpiderLoader): - pass - - class TestCrawlerRunner(TestBaseCrawler): def test_spider_manager_verify_interface(self): settings = Settings( diff --git a/tests/test_spiderloader/__init__.py b/tests/test_spiderloader/__init__.py index 476487a04..245507c0b 100644 --- a/tests/test_spiderloader/__init__.py +++ b/tests/test_spiderloader/__init__.py @@ -1,10 +1,8 @@ import contextlib import shutil import sys -import tempfile import warnings from pathlib import Path -from tempfile import mkdtemp from unittest import mock import pytest @@ -17,7 +15,7 @@ from scrapy.crawler import CrawlerRunner from scrapy.http import Request from scrapy.interfaces import ISpiderLoader from scrapy.settings import Settings -from scrapy.spiderloader import SpiderLoader +from scrapy.spiderloader import DummySpiderLoader, SpiderLoader, get_spider_loader module_dir = Path(__file__).resolve().parent @@ -27,73 +25,76 @@ def _copytree(source: Path, target: Path): shutil.copytree(source, target) +@pytest.fixture +def spider_loader_env(tmp_path): + orig_spiders_dir = module_dir / "test_spiders" + spiders_dir = tmp_path / "test_spiders_xxx" + _copytree(orig_spiders_dir, spiders_dir) + sys.path.append(str(tmp_path)) + settings = Settings({"SPIDER_MODULES": ["test_spiders_xxx"]}) + + yield settings, spiders_dir + + sys.modules.pop("test_spiders_xxx", None) + sys.path.remove(str(tmp_path)) + + +@pytest.fixture +def spider_loader(spider_loader_env): + settings, _ = spider_loader_env + return SpiderLoader.from_settings(settings) + + class TestSpiderLoader: - def setup_method(self): - orig_spiders_dir = module_dir / "test_spiders" - self.tmpdir = Path(tempfile.mkdtemp()) - self.spiders_dir = self.tmpdir / "test_spiders_xxx" - _copytree(orig_spiders_dir, self.spiders_dir) - sys.path.append(str(self.tmpdir)) - settings = Settings({"SPIDER_MODULES": ["test_spiders_xxx"]}) - self.spider_loader = SpiderLoader.from_settings(settings) + def test_interface(self, spider_loader): + verifyObject(ISpiderLoader, spider_loader) - def teardown_method(self): - del self.spider_loader - del sys.modules["test_spiders_xxx"] - sys.path.remove(str(self.tmpdir)) - - def test_interface(self): - verifyObject(ISpiderLoader, self.spider_loader) - - def test_list(self): - assert set(self.spider_loader.list()) == { + def test_list(self, spider_loader): + assert set(spider_loader.list()) == { "spider1", "spider2", "spider3", "spider4", } - def test_load(self): - spider1 = self.spider_loader.load("spider1") + def test_load(self, spider_loader): + spider1 = spider_loader.load("spider1") assert spider1.__name__ == "Spider1" - def test_find_by_request(self): - assert self.spider_loader.find_by_request( - Request("http://scrapy1.org/test") - ) == ["spider1"] - assert self.spider_loader.find_by_request( - Request("http://scrapy2.org/test") - ) == ["spider2"] + def test_find_by_request(self, spider_loader): + assert spider_loader.find_by_request(Request("http://scrapy1.org/test")) == [ + "spider1" + ] + assert spider_loader.find_by_request(Request("http://scrapy2.org/test")) == [ + "spider2" + ] assert set( - self.spider_loader.find_by_request(Request("http://scrapy3.org/test")) + spider_loader.find_by_request(Request("http://scrapy3.org/test")) ) == {"spider1", "spider2"} - assert ( - self.spider_loader.find_by_request(Request("http://scrapy999.org/test")) - == [] - ) - assert self.spider_loader.find_by_request(Request("http://spider3.com")) == [] - assert self.spider_loader.find_by_request( + assert spider_loader.find_by_request(Request("http://scrapy999.org/test")) == [] + assert spider_loader.find_by_request(Request("http://spider3.com")) == [] + assert spider_loader.find_by_request( Request("http://spider3.com/onlythis") ) == ["spider3"] def test_load_spider_module(self): module = "tests.test_spiderloader.test_spiders.spider1" settings = Settings({"SPIDER_MODULES": [module]}) - self.spider_loader = SpiderLoader.from_settings(settings) - assert len(self.spider_loader._spiders) == 1 + spider_loader = SpiderLoader.from_settings(settings) + assert len(spider_loader._spiders) == 1 def test_load_spider_module_multiple(self): prefix = "tests.test_spiderloader.test_spiders." module = ",".join(prefix + s for s in ("spider1", "spider2")) settings = Settings({"SPIDER_MODULES": module}) - self.spider_loader = SpiderLoader.from_settings(settings) - assert len(self.spider_loader._spiders) == 2 + spider_loader = SpiderLoader.from_settings(settings) + assert len(spider_loader._spiders) == 2 def test_load_base_spider(self): module = "tests.test_spiderloader.test_spiders.spider0" settings = Settings({"SPIDER_MODULES": [module]}) - self.spider_loader = SpiderLoader.from_settings(settings) - assert len(self.spider_loader._spiders) == 0 + spider_loader = SpiderLoader.from_settings(settings) + assert len(spider_loader._spiders) == 0 def test_load_spider_module_from_addons(self): module = "tests.test_spiderloader.spiders_from_addons.spider0" @@ -183,27 +184,14 @@ class TestSpiderLoader: class TestDuplicateSpiderNameLoader: - def setup_method(self): - orig_spiders_dir = module_dir / "test_spiders" - self.tmpdir = Path(mkdtemp()) - self.spiders_dir = self.tmpdir / "test_spiders_xxx" - _copytree(orig_spiders_dir, self.spiders_dir) - sys.path.append(str(self.tmpdir)) - self.settings = Settings({"SPIDER_MODULES": ["test_spiders_xxx"]}) + def test_dupename_warning(self, spider_loader_env): + settings, spiders_dir = spider_loader_env - def teardown_method(self): - del sys.modules["test_spiders_xxx"] - sys.path.remove(str(self.tmpdir)) - - def test_dupename_warning(self): # copy 1 spider module so as to have duplicate spider name - shutil.copyfile( - self.tmpdir / "test_spiders_xxx" / "spider3.py", - self.tmpdir / "test_spiders_xxx" / "spider3dupe.py", - ) + shutil.copyfile(spiders_dir / "spider3.py", spiders_dir / "spider3dupe.py") with warnings.catch_warnings(record=True) as w: - spider_loader = SpiderLoader.from_settings(self.settings) + spider_loader = SpiderLoader.from_settings(settings) assert len(w) == 1 msg = str(w[0].message) @@ -218,20 +206,15 @@ class TestDuplicateSpiderNameLoader: spiders = set(spider_loader.list()) assert spiders == {"spider1", "spider2", "spider3", "spider4"} - def test_multiple_dupename_warning(self): + def test_multiple_dupename_warning(self, spider_loader_env): + settings, spiders_dir = spider_loader_env # copy 2 spider modules so as to have duplicate spider name # This should issue 2 warning, 1 for each duplicate spider name - shutil.copyfile( - self.tmpdir / "test_spiders_xxx" / "spider1.py", - self.tmpdir / "test_spiders_xxx" / "spider1dupe.py", - ) - shutil.copyfile( - self.tmpdir / "test_spiders_xxx" / "spider2.py", - self.tmpdir / "test_spiders_xxx" / "spider2dupe.py", - ) + shutil.copyfile(spiders_dir / "spider1.py", spiders_dir / "spider1dupe.py") + shutil.copyfile(spiders_dir / "spider2.py", spiders_dir / "spider2dupe.py") with warnings.catch_warnings(record=True) as w: - spider_loader = SpiderLoader.from_settings(self.settings) + spider_loader = SpiderLoader.from_settings(settings) assert len(w) == 1 msg = str(w[0].message) @@ -247,3 +230,25 @@ class TestDuplicateSpiderNameLoader: spiders = set(spider_loader.list()) assert spiders == {"spider1", "spider2", "spider3", "spider4"} + + +class CustomSpiderLoader(SpiderLoader): + pass + + +def test_custom_spider_loader(): + settings = Settings( + { + "SPIDER_LOADER_CLASS": CustomSpiderLoader, + } + ) + spider_loader = get_spider_loader(settings) + assert isinstance(spider_loader, CustomSpiderLoader) + + +def test_dummy_spider_loader(spider_loader_env): + settings, _ = spider_loader_env + spider_loader = DummySpiderLoader.from_settings(settings) + assert not spider_loader.list() + with pytest.raises(KeyError): + spider_loader.load("spider1") From a724541a715bb9fc5428ba630f24e1036ca0a896 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Thu, 29 May 2025 00:46:04 +0500 Subject: [PATCH 486/786] Split tests/test_commands.py. (#6836) --- tests/test_command_crawl.py | 93 +++ tests/test_command_genspider.py | 208 +++++++ tests/test_command_runspider.py | 375 +++++++++++ tests/test_command_startproject.py | 318 ++++++++++ tests/test_commands.py | 966 +---------------------------- 5 files changed, 998 insertions(+), 962 deletions(-) create mode 100644 tests/test_command_crawl.py create mode 100644 tests/test_command_genspider.py create mode 100644 tests/test_command_runspider.py create mode 100644 tests/test_command_startproject.py diff --git a/tests/test_command_crawl.py b/tests/test_command_crawl.py new file mode 100644 index 000000000..3d5e17977 --- /dev/null +++ b/tests/test_command_crawl.py @@ -0,0 +1,93 @@ +from __future__ import annotations + +from pathlib import Path + +from tests.test_commands import TestCommandBase + + +class TestCrawlCommand(TestCommandBase): + def crawl(self, code, args=()): + Path(self.proj_mod_path, "spiders", "myspider.py").write_text( + code, encoding="utf-8" + ) + return self.proc("crawl", "myspider", *args) + + def get_log(self, code, args=()): + _, _, stderr = self.crawl(code, args=args) + return stderr + + def test_no_output(self): + spider_code = """ +import scrapy + +class MySpider(scrapy.Spider): + name = 'myspider' + + async def start(self): + self.logger.debug('It works!') + return + yield +""" + log = self.get_log(spider_code) + assert "[myspider] DEBUG: It works!" in log + + def test_output(self): + spider_code = """ +import scrapy + +class MySpider(scrapy.Spider): + name = 'myspider' + + async def start(self): + self.logger.debug('FEEDS: {}'.format(self.settings.getdict('FEEDS'))) + return + yield +""" + args = ["-o", "example.json"] + log = self.get_log(spider_code, args=args) + assert "[myspider] DEBUG: FEEDS: {'example.json': {'format': 'json'}}" in log + + def test_overwrite_output(self): + spider_code = """ +import json +import scrapy + +class MySpider(scrapy.Spider): + name = 'myspider' + + async def start(self): + self.logger.debug( + 'FEEDS: {}'.format( + json.dumps(self.settings.getdict('FEEDS'), sort_keys=True) + ) + ) + return + yield +""" + Path(self.cwd, "example.json").write_text("not empty", encoding="utf-8") + args = ["-O", "example.json"] + log = self.get_log(spider_code, args=args) + assert ( + '[myspider] DEBUG: FEEDS: {"example.json": {"format": "json", "overwrite": true}}' + in log + ) + with Path(self.cwd, "example.json").open(encoding="utf-8") as f2: + first_line = f2.readline() + assert first_line != "not empty" + + def test_output_and_overwrite_output(self): + spider_code = """ +import scrapy + +class MySpider(scrapy.Spider): + name = 'myspider' + + async def start(self): + return + yield +""" + args = ["-o", "example1.json", "-O", "example2.json"] + log = self.get_log(spider_code, args=args) + assert ( + "error: Please use only one of -o/--output and -O/--overwrite-output" in log + ) diff --git a/tests/test_command_genspider.py b/tests/test_command_genspider.py new file mode 100644 index 000000000..18ec81fed --- /dev/null +++ b/tests/test_command_genspider.py @@ -0,0 +1,208 @@ +from __future__ import annotations + +import os +from pathlib import Path + +from tests.test_commands import TestCommandBase, TestProjectBase + + +class TestGenspiderCommand(TestCommandBase): + def test_arguments(self): + # only pass one argument. spider script shouldn't be created + assert self.call("genspider", "test_name") == 2 + assert not Path(self.proj_mod_path, "spiders", "test_name.py").exists() + # pass two arguments . spider script should be created + assert self.call("genspider", "test_name", "test.com") == 0 + assert Path(self.proj_mod_path, "spiders", "test_name.py").exists() + + def test_template(self, tplname="crawl"): + args = [f"--template={tplname}"] if tplname else [] + spname = "test_spider" + spmodule = f"{self.project_name}.spiders.{spname}" + p, out, err = self.proc("genspider", spname, "test.com", *args) + assert ( + f"Created spider {spname!r} using template {tplname!r} in module:{os.linesep} {spmodule}" + in out + ) + assert Path(self.proj_mod_path, "spiders", "test_spider.py").exists() + modify_time_before = ( + Path(self.proj_mod_path, "spiders", "test_spider.py").stat().st_mtime + ) + p, out, err = self.proc("genspider", spname, "test.com", *args) + assert f"Spider {spname!r} already exists in module" in out + modify_time_after = ( + Path(self.proj_mod_path, "spiders", "test_spider.py").stat().st_mtime + ) + assert modify_time_after == modify_time_before + + def test_template_basic(self): + self.test_template("basic") + + def test_template_csvfeed(self): + self.test_template("csvfeed") + + def test_template_xmlfeed(self): + self.test_template("xmlfeed") + + def test_list(self): + assert self.call("genspider", "--list") == 0 + + def test_dump(self): + assert self.call("genspider", "--dump=basic") == 0 + assert self.call("genspider", "-d", "basic") == 0 + + def test_same_name_as_project(self): + assert self.call("genspider", self.project_name) == 2 + assert not Path( + self.proj_mod_path, "spiders", f"{self.project_name}.py" + ).exists() + + def test_same_filename_as_existing_spider(self, force=False): + file_name = "example" + file_path = Path(self.proj_mod_path, "spiders", f"{file_name}.py") + assert self.call("genspider", file_name, "example.com") == 0 + assert file_path.exists() + + # change name of spider but not its file name + with file_path.open("r+", encoding="utf-8") as spider_file: + file_data = spider_file.read() + file_data = file_data.replace('name = "example"', 'name = "renamed"') + spider_file.seek(0) + spider_file.write(file_data) + spider_file.truncate() + modify_time_before = file_path.stat().st_mtime + file_contents_before = file_data + + if force: + p, out, err = self.proc("genspider", "--force", file_name, "example.com") + assert ( + f"Created spider {file_name!r} using template 'basic' in module" in out + ) + modify_time_after = file_path.stat().st_mtime + assert modify_time_after != modify_time_before + file_contents_after = file_path.read_text(encoding="utf-8") + assert file_contents_after != file_contents_before + else: + p, out, err = self.proc("genspider", file_name, "example.com") + assert f"{file_path.resolve()} already exists" in out + modify_time_after = file_path.stat().st_mtime + assert modify_time_after == modify_time_before + file_contents_after = file_path.read_text(encoding="utf-8") + assert file_contents_after == file_contents_before + + def test_same_filename_as_existing_spider_force(self): + self.test_same_filename_as_existing_spider(force=True) + + def test_url(self, url="test.com", domain="test.com"): + assert self.call("genspider", "--force", "test_name", url) == 0 + assert ( + self.find_in_file( + Path(self.proj_mod_path, "spiders", "test_name.py"), + r"allowed_domains\s*=\s*\[['\"](.+)['\"]\]", + ).group(1) + == domain + ) + assert ( + self.find_in_file( + Path(self.proj_mod_path, "spiders", "test_name.py"), + r"start_urls\s*=\s*\[['\"](.+)['\"]\]", + ).group(1) + == f"https://{domain}" + ) + + def test_url_schema(self): + self.test_url("https://test.com", "test.com") + + def test_template_start_urls( + self, url="test.com", expected="https://test.com", template="basic" + ): + assert self.call("genspider", "-t", template, "--force", "test_name", url) == 0 + assert ( + self.find_in_file( + Path(self.proj_mod_path, "spiders", "test_name.py"), + r"start_urls\s*=\s*\[['\"](.+)['\"]\]", + ).group(1) + == expected + ) + + def test_genspider_basic_start_urls(self): + self.test_template_start_urls("https://test.com", "https://test.com", "basic") + self.test_template_start_urls("http://test.com", "http://test.com", "basic") + self.test_template_start_urls( + "http://test.com/other/path", "http://test.com/other/path", "basic" + ) + self.test_template_start_urls( + "test.com/other/path", "https://test.com/other/path", "basic" + ) + + def test_genspider_crawl_start_urls(self): + self.test_template_start_urls("https://test.com", "https://test.com", "crawl") + self.test_template_start_urls("http://test.com", "http://test.com", "crawl") + self.test_template_start_urls( + "http://test.com/other/path", "http://test.com/other/path", "crawl" + ) + self.test_template_start_urls( + "test.com/other/path", "https://test.com/other/path", "crawl" + ) + self.test_template_start_urls("test.com", "https://test.com", "crawl") + + def test_genspider_xmlfeed_start_urls(self): + self.test_template_start_urls( + "https://test.com/feed.xml", "https://test.com/feed.xml", "xmlfeed" + ) + self.test_template_start_urls( + "http://test.com/feed.xml", "http://test.com/feed.xml", "xmlfeed" + ) + self.test_template_start_urls( + "test.com/feed.xml", "https://test.com/feed.xml", "xmlfeed" + ) + + def test_genspider_csvfeed_start_urls(self): + self.test_template_start_urls( + "https://test.com/feed.csv", "https://test.com/feed.csv", "csvfeed" + ) + self.test_template_start_urls( + "http://test.com/feed.xml", "http://test.com/feed.xml", "csvfeed" + ) + self.test_template_start_urls( + "test.com/feed.csv", "https://test.com/feed.csv", "csvfeed" + ) + + +class TestGenspiderStandaloneCommand(TestProjectBase): + def test_generate_standalone_spider(self): + self.call("genspider", "example", "example.com") + assert Path(self.temp_path, "example.py").exists() + + def test_same_name_as_existing_file(self, force=False): + file_name = "example" + file_path = Path(self.temp_path, file_name + ".py") + p, out, err = self.proc("genspider", file_name, "example.com") + assert f"Created spider {file_name!r} using template 'basic' " in out + assert file_path.exists() + modify_time_before = file_path.stat().st_mtime + file_contents_before = file_path.read_text(encoding="utf-8") + + if force: + # use different template to ensure contents were changed + p, out, err = self.proc( + "genspider", "--force", "-t", "crawl", file_name, "example.com" + ) + assert f"Created spider {file_name!r} using template 'crawl' " in out + modify_time_after = file_path.stat().st_mtime + assert modify_time_after != modify_time_before + file_contents_after = file_path.read_text(encoding="utf-8") + assert file_contents_after != file_contents_before + else: + p, out, err = self.proc("genspider", file_name, "example.com") + assert ( + f"{Path(self.temp_path, file_name + '.py').resolve()} already exists" + in out + ) + modify_time_after = file_path.stat().st_mtime + assert modify_time_after == modify_time_before + file_contents_after = file_path.read_text(encoding="utf-8") + assert file_contents_after == file_contents_before + + def test_same_name_as_existing_file_force(self): + self.test_same_name_as_existing_file(force=True) diff --git a/tests/test_command_runspider.py b/tests/test_command_runspider.py new file mode 100644 index 000000000..664de16f8 --- /dev/null +++ b/tests/test_command_runspider.py @@ -0,0 +1,375 @@ +from __future__ import annotations + +import inspect +import platform +import sys +from contextlib import contextmanager +from pathlib import Path +from tempfile import TemporaryDirectory, mkdtemp +from typing import TYPE_CHECKING +from unittest import skipIf + +import pytest +from twisted.trial import unittest + +from tests.test_commands import TestCommandBase +from tests.test_crawler import ExceptionSpider, NoRequestsSpider + +if TYPE_CHECKING: + from collections.abc import Iterator + + +class TestRunSpiderCommand(TestCommandBase): + spider_filename = "myspider.py" + + debug_log_spider = """ +import scrapy + +class MySpider(scrapy.Spider): + name = 'myspider' + + async def start(self): + self.logger.debug("It Works!") + return + yield +""" + + badspider = """ +import scrapy + +class BadSpider(scrapy.Spider): + name = "bad" + async def start(self): + raise Exception("oops!") + yield + """ + + @contextmanager + def _create_file(self, content: str, name: str | None = None) -> Iterator[str]: + with TemporaryDirectory() as tmpdir: + if name: + fname = Path(tmpdir, name).resolve() + else: + fname = Path(tmpdir, self.spider_filename).resolve() + fname.write_text(content, encoding="utf-8") + yield str(fname) + + def runspider(self, code, name=None, args=()): + with self._create_file(code, name) as fname: + return self.proc("runspider", fname, *args) + + def get_log(self, code, name=None, args=()): + p, stdout, stderr = self.runspider(code, name, args=args) + return stderr + + def test_runspider(self): + log = self.get_log(self.debug_log_spider) + assert "DEBUG: It Works!" in log + assert "INFO: Spider opened" in log + assert "INFO: Closing spider (finished)" in log + assert "INFO: Spider closed (finished)" in log + + def test_run_fail_spider(self): + proc, _, _ = self.runspider( + "import scrapy\n" + inspect.getsource(ExceptionSpider) + ) + ret = proc.returncode + assert ret != 0 + + def test_run_good_spider(self): + proc, _, _ = self.runspider( + "import scrapy\n" + inspect.getsource(NoRequestsSpider) + ) + ret = proc.returncode + assert ret == 0 + + def test_runspider_log_level(self): + log = self.get_log(self.debug_log_spider, args=("-s", "LOG_LEVEL=INFO")) + assert "DEBUG: It Works!" not in log + assert "INFO: Spider opened" in log + + def test_runspider_dnscache_disabled(self): + # see https://github.com/scrapy/scrapy/issues/2811 + # The spider below should not be able to connect to localhost:12345, + # which is intended, + # but this should not be because of DNS lookup error + # assumption: localhost will resolve in all cases (true?) + dnscache_spider = """ +import scrapy + +class MySpider(scrapy.Spider): + name = 'myspider' + start_urls = ['http://localhost:12345'] + + def parse(self, response): + return {'test': 'value'} +""" + log = self.get_log(dnscache_spider, args=("-s", "DNSCACHE_ENABLED=False")) + assert "DNSLookupError" not in log + assert "INFO: Spider opened" in log + + def test_runspider_log_short_names(self): + log1 = self.get_log(self.debug_log_spider, args=("-s", "LOG_SHORT_NAMES=1")) + assert "[myspider] DEBUG: It Works!" in log1 + assert "[scrapy]" in log1 + assert "[scrapy.core.engine]" not in log1 + + log2 = self.get_log(self.debug_log_spider, args=("-s", "LOG_SHORT_NAMES=0")) + assert "[myspider] DEBUG: It Works!" in log2 + assert "[scrapy]" not in log2 + assert "[scrapy.core.engine]" in log2 + + def test_runspider_no_spider_found(self): + log = self.get_log("from scrapy.spiders import Spider\n") + assert "No spider found in file" in log + + def test_runspider_file_not_found(self): + _, _, log = self.proc("runspider", "some_non_existent_file") + assert "File not found: some_non_existent_file" in log + + def test_runspider_unable_to_load(self): + log = self.get_log("", name="myspider.txt") + assert "Unable to load" in log + + def test_start_errors(self): + log = self.get_log(self.badspider, name="badspider.py") + assert "start" in log + assert "badspider.py" in log, log + + def test_asyncio_enabled_true(self): + log = self.get_log( + self.debug_log_spider, + args=[ + "-s", + "TWISTED_REACTOR=twisted.internet.asyncioreactor.AsyncioSelectorReactor", + ], + ) + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + in log + ) + + def test_asyncio_enabled_default(self): + log = self.get_log(self.debug_log_spider, args=[]) + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + in log + ) + + def test_asyncio_enabled_false(self): + log = self.get_log( + self.debug_log_spider, + args=["-s", "TWISTED_REACTOR=twisted.internet.selectreactor.SelectReactor"], + ) + assert "Using reactor: twisted.internet.selectreactor.SelectReactor" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + not in log + ) + + @pytest.mark.requires_uvloop + def test_custom_asyncio_loop_enabled_true(self): + log = self.get_log( + self.debug_log_spider, + args=[ + "-s", + "TWISTED_REACTOR=twisted.internet.asyncioreactor.AsyncioSelectorReactor", + "-s", + "ASYNCIO_EVENT_LOOP=uvloop.Loop", + ], + ) + assert "Using asyncio event loop: uvloop.Loop" in log + + def test_custom_asyncio_loop_enabled_false(self): + log = self.get_log( + self.debug_log_spider, + args=[ + "-s", + "TWISTED_REACTOR=twisted.internet.asyncioreactor.AsyncioSelectorReactor", + ], + ) + import asyncio + + if sys.platform != "win32": + loop = asyncio.new_event_loop() + else: + loop = asyncio.SelectorEventLoop() + assert ( + f"Using asyncio event loop: {loop.__module__}.{loop.__class__.__name__}" + in log + ) + + def test_output(self): + spider_code = """ +import scrapy + +class MySpider(scrapy.Spider): + name = 'myspider' + + async def start(self): + self.logger.debug('FEEDS: {}'.format(self.settings.getdict('FEEDS'))) + return + yield +""" + args = ["-o", "example.json"] + log = self.get_log(spider_code, args=args) + assert "[myspider] DEBUG: FEEDS: {'example.json': {'format': 'json'}}" in log + + def test_overwrite_output(self): + spider_code = """ +import json +import scrapy + +class MySpider(scrapy.Spider): + name = 'myspider' + + async def start(self): + self.logger.debug( + 'FEEDS: {}'.format( + json.dumps(self.settings.getdict('FEEDS'), sort_keys=True) + ) + ) + return + yield +""" + Path(self.cwd, "example.json").write_text("not empty", encoding="utf-8") + args = ["-O", "example.json"] + log = self.get_log(spider_code, args=args) + assert ( + '[myspider] DEBUG: FEEDS: {"example.json": {"format": "json", "overwrite": true}}' + in log + ) + with Path(self.cwd, "example.json").open(encoding="utf-8") as f2: + first_line = f2.readline() + assert first_line != "not empty" + + def test_output_and_overwrite_output(self): + spider_code = """ +import scrapy + +class MySpider(scrapy.Spider): + name = 'myspider' + + async def start(self): + return + yield +""" + args = ["-o", "example1.json", "-O", "example2.json"] + log = self.get_log(spider_code, args=args) + assert ( + "error: Please use only one of -o/--output and -O/--overwrite-output" in log + ) + + def test_output_stdout(self): + spider_code = """ +import scrapy + +class MySpider(scrapy.Spider): + name = 'myspider' + + async def start(self): + self.logger.debug('FEEDS: {}'.format(self.settings.getdict('FEEDS'))) + return + yield +""" + args = ["-o", "-:json"] + log = self.get_log(spider_code, args=args) + assert "[myspider] DEBUG: FEEDS: {'stdout:': {'format': 'json'}}" in log + + @skipIf(platform.system() == "Windows", reason="Linux only") + def test_absolute_path_linux(self): + spider_code = """ +import scrapy + +class MySpider(scrapy.Spider): + name = 'myspider' + + start_urls = ["data:,"] + + def parse(self, response): + yield {"hello": "world"} + """ + temp_dir = mkdtemp() + + args = ["-o", f"{temp_dir}/output1.json:json"] + log = self.get_log(spider_code, args=args) + assert ( + f"[scrapy.extensions.feedexport] INFO: Stored json feed (1 items) in: {temp_dir}/output1.json" + in log + ) + + args = ["-o", f"{temp_dir}/output2.json"] + log = self.get_log(spider_code, args=args) + assert ( + f"[scrapy.extensions.feedexport] INFO: Stored json feed (1 items) in: {temp_dir}/output2.json" + in log + ) + + @skipIf(platform.system() != "Windows", reason="Windows only") + def test_absolute_path_windows(self): + spider_code = """ +import scrapy + +class MySpider(scrapy.Spider): + name = 'myspider' + + start_urls = ["data:,"] + + def parse(self, response): + yield {"hello": "world"} + """ + temp_dir = mkdtemp() + + args = ["-o", f"{temp_dir}\\output1.json:json"] + log = self.get_log(spider_code, args=args) + assert ( + f"[scrapy.extensions.feedexport] INFO: Stored json feed (1 items) in: {temp_dir}\\output1.json" + in log + ) + + args = ["-o", f"{temp_dir}\\output2.json"] + log = self.get_log(spider_code, args=args) + assert ( + f"[scrapy.extensions.feedexport] INFO: Stored json feed (1 items) in: {temp_dir}\\output2.json" + in log + ) + + def test_args_change_settings(self): + spider_code = """ +import scrapy + +class MySpider(scrapy.Spider): + name = 'myspider' + + @classmethod + def from_crawler(cls, crawler, *args, **kwargs): + spider = super().from_crawler(crawler, *args, **kwargs) + spider.settings.set("FOO", kwargs.get("foo")) + return spider + + async def start(self): + self.logger.info(f"The value of FOO is {self.settings.getint('FOO')}") + return + yield +""" + args = ["-a", "foo=42"] + log = self.get_log(spider_code, args=args) + assert "Spider closed (finished)" in log + assert "The value of FOO is 42" in log + + +class TestWindowsRunSpiderCommand(TestRunSpiderCommand): + spider_filename = "myspider.pyw" + + def setUp(self): + if platform.system() != "Windows": + raise unittest.SkipTest("Windows required for .pyw files") + return super().setUp() + + def test_start_errors(self): + log = self.get_log(self.badspider, name="badspider.pyw") + assert "start" in log + assert "badspider.pyw" in log + + def test_runspider_unable_to_load(self): + raise unittest.SkipTest("Already Tested in 'RunSpiderCommandTest' ") diff --git a/tests/test_command_startproject.py b/tests/test_command_startproject.py new file mode 100644 index 000000000..08bf9b0fd --- /dev/null +++ b/tests/test_command_startproject.py @@ -0,0 +1,318 @@ +from __future__ import annotations + +import os +import subprocess +import sys +from contextlib import contextmanager +from itertools import chain +from pathlib import Path +from shutil import copytree +from stat import S_IWRITE as ANYONE_WRITE_PERMISSION +from tempfile import mkdtemp + +import scrapy +from scrapy.commands.startproject import IGNORE +from tests.test_commands import TestProjectBase + + +class TestStartprojectCommand(TestProjectBase): + def test_startproject(self): + p, out, err = self.proc("startproject", self.project_name) + print(out) + print(err, file=sys.stderr) + assert p.returncode == 0 + + assert Path(self.proj_path, "scrapy.cfg").exists() + assert Path(self.proj_path, "testproject").exists() + assert Path(self.proj_mod_path, "__init__.py").exists() + assert Path(self.proj_mod_path, "items.py").exists() + assert Path(self.proj_mod_path, "pipelines.py").exists() + assert Path(self.proj_mod_path, "settings.py").exists() + assert Path(self.proj_mod_path, "spiders", "__init__.py").exists() + + assert self.call("startproject", self.project_name) == 1 + assert self.call("startproject", "wrong---project---name") == 1 + assert self.call("startproject", "sys") == 1 + + def test_startproject_with_project_dir(self): + project_dir = mkdtemp() + assert self.call("startproject", self.project_name, project_dir) == 0 + + assert Path(project_dir, "scrapy.cfg").exists() + assert Path(project_dir, "testproject").exists() + assert Path(project_dir, self.project_name, "__init__.py").exists() + assert Path(project_dir, self.project_name, "items.py").exists() + assert Path(project_dir, self.project_name, "pipelines.py").exists() + assert Path(project_dir, self.project_name, "settings.py").exists() + assert Path(project_dir, self.project_name, "spiders", "__init__.py").exists() + + assert self.call("startproject", self.project_name, project_dir + "2") == 0 + + assert self.call("startproject", self.project_name, project_dir) == 1 + assert self.call("startproject", self.project_name + "2", project_dir) == 1 + assert self.call("startproject", "wrong---project---name") == 1 + assert self.call("startproject", "sys") == 1 + assert self.call("startproject") == 2 + assert ( + self.call("startproject", self.project_name, project_dir, "another_params") + == 2 + ) + + def test_existing_project_dir(self): + project_dir = mkdtemp() + project_name = self.project_name + "_existing" + project_path = Path(project_dir, project_name) + project_path.mkdir() + + p, out, err = self.proc("startproject", project_name, cwd=project_dir) + print(out) + print(err, file=sys.stderr) + assert p.returncode == 0 + + assert Path(project_path, "scrapy.cfg").exists() + assert Path(project_path, project_name).exists() + assert Path(project_path, project_name, "__init__.py").exists() + assert Path(project_path, project_name, "items.py").exists() + assert Path(project_path, project_name, "pipelines.py").exists() + assert Path(project_path, project_name, "settings.py").exists() + assert Path(project_path, project_name, "spiders", "__init__.py").exists() + + +def get_permissions_dict( + path: str | os.PathLike, renamings=None, ignore=None +) -> dict[str, str]: + def get_permissions(path: Path) -> str: + return oct(path.stat().st_mode) + + path_obj = Path(path) + + renamings = renamings or () + permissions_dict = { + ".": get_permissions(path_obj), + } + for root, dirs, files in os.walk(path_obj): + nodes = list(chain(dirs, files)) + if ignore: + ignored_names = ignore(root, nodes) + nodes = [node for node in nodes if node not in ignored_names] + for node in nodes: + absolute_path = Path(root, node) + relative_path = str(absolute_path.relative_to(path)) + for search_string, replacement in renamings: + relative_path = relative_path.replace(search_string, replacement) + permissions = get_permissions(absolute_path) + permissions_dict[relative_path] = permissions + return permissions_dict + + +class TestStartprojectTemplates(TestProjectBase): + maxDiff = None + + def setUp(self): + super().setUp() + self.tmpl = str(Path(self.temp_path, "templates")) + self.tmpl_proj = str(Path(self.tmpl, "project")) + + def test_startproject_template_override(self): + copytree(Path(scrapy.__path__[0], "templates"), self.tmpl) + Path(self.tmpl_proj, "root_template").write_bytes(b"") + assert Path(self.tmpl_proj, "root_template").exists() + + args = ["--set", f"TEMPLATES_DIR={self.tmpl}"] + p, out, err = self.proc("startproject", self.project_name, *args) + assert ( + f"New Scrapy project '{self.project_name}', using template directory" in out + ) + assert self.tmpl_proj in out + assert Path(self.proj_path, "root_template").exists() + + def test_startproject_permissions_from_writable(self): + """Check that generated files have the right permissions when the + template folder has the same permissions as in the project, i.e. + everything is writable.""" + scrapy_path = scrapy.__path__[0] + project_template = Path(scrapy_path, "templates", "project") + project_name = "startproject1" + renamings = ( + ("module", project_name), + (".tmpl", ""), + ) + expected_permissions = get_permissions_dict( + project_template, + renamings, + IGNORE, + ) + + destination = mkdtemp() + process = subprocess.Popen( + ( + sys.executable, + "-m", + "scrapy.cmdline", + "startproject", + project_name, + ), + cwd=destination, + env=self.env, + ) + process.wait() + + project_dir = Path(destination, project_name) + actual_permissions = get_permissions_dict(project_dir) + + assert actual_permissions == expected_permissions + + def test_startproject_permissions_from_read_only(self): + """Check that generated files have the right permissions when the + template folder has been made read-only, which is something that some + systems do. + + See https://github.com/scrapy/scrapy/pull/4604 + """ + scrapy_path = scrapy.__path__[0] + templates_dir = Path(scrapy_path, "templates") + project_template = Path(templates_dir, "project") + project_name = "startproject2" + renamings = ( + ("module", project_name), + (".tmpl", ""), + ) + expected_permissions = get_permissions_dict( + project_template, + renamings, + IGNORE, + ) + + def _make_read_only(path: Path): + current_permissions = path.stat().st_mode + path.chmod(current_permissions & ~ANYONE_WRITE_PERMISSION) + + read_only_templates_dir = str(Path(mkdtemp()) / "templates") + copytree(templates_dir, read_only_templates_dir) + + for root, dirs, files in os.walk(read_only_templates_dir): + for node in chain(dirs, files): + _make_read_only(Path(root, node)) + + destination = mkdtemp() + process = subprocess.Popen( + ( + sys.executable, + "-m", + "scrapy.cmdline", + "startproject", + project_name, + "--set", + f"TEMPLATES_DIR={read_only_templates_dir}", + ), + cwd=destination, + env=self.env, + ) + process.wait() + + project_dir = Path(destination, project_name) + actual_permissions = get_permissions_dict(project_dir) + + assert actual_permissions == expected_permissions + + def test_startproject_permissions_unchanged_in_destination(self): + """Check that preexisting folders and files in the destination folder + do not see their permissions modified.""" + scrapy_path = scrapy.__path__[0] + project_template = Path(scrapy_path, "templates", "project") + project_name = "startproject3" + renamings = ( + ("module", project_name), + (".tmpl", ""), + ) + expected_permissions = get_permissions_dict( + project_template, + renamings, + IGNORE, + ) + + destination = mkdtemp() + project_dir = Path(destination, project_name) + + existing_nodes = { + oct(permissions)[2:] + extension: permissions + for extension in ("", ".d") + for permissions in ( + 0o444, + 0o555, + 0o644, + 0o666, + 0o755, + 0o777, + ) + } + project_dir.mkdir() + for node, permissions in existing_nodes.items(): + path = project_dir / node + if node.endswith(".d"): + path.mkdir(mode=permissions) + else: + path.touch(mode=permissions) + expected_permissions[node] = oct(path.stat().st_mode) + + process = subprocess.Popen( + ( + sys.executable, + "-m", + "scrapy.cmdline", + "startproject", + project_name, + ".", + ), + cwd=project_dir, + env=self.env, + ) + process.wait() + + actual_permissions = get_permissions_dict(project_dir) + + assert actual_permissions == expected_permissions + + def test_startproject_permissions_umask_022(self): + """Check that generated files have the right permissions when the + system uses a umask value that causes new files to have different + permissions than those from the template folder.""" + + @contextmanager + def umask(new_mask): + cur_mask = os.umask(new_mask) + yield + os.umask(cur_mask) + + scrapy_path = scrapy.__path__[0] + project_template = Path(scrapy_path, "templates", "project") + project_name = "umaskproject" + renamings = ( + ("module", project_name), + (".tmpl", ""), + ) + expected_permissions = get_permissions_dict( + project_template, + renamings, + IGNORE, + ) + + with umask(0o002): + destination = mkdtemp() + process = subprocess.Popen( + ( + sys.executable, + "-m", + "scrapy.cmdline", + "startproject", + project_name, + ), + cwd=destination, + env=self.env, + ) + process.wait() + + project_dir = Path(destination, project_name) + actual_permissions = get_permissions_dict(project_dir) + + assert actual_permissions == expected_permissions diff --git a/tests/test_commands.py b/tests/test_commands.py index 16af97842..6e59f561d 100644 --- a/tests/test_commands.py +++ b/tests/test_commands.py @@ -1,38 +1,29 @@ from __future__ import annotations import argparse -import inspect import json -import os -import platform import re import subprocess import sys -from contextlib import contextmanager from io import StringIO -from itertools import chain from pathlib import Path -from shutil import copytree, rmtree -from stat import S_IWRITE as ANYONE_WRITE_PERMISSION -from tempfile import TemporaryDirectory, TemporaryFile, mkdtemp +from shutil import rmtree +from tempfile import TemporaryFile, mkdtemp from threading import Timer from typing import TYPE_CHECKING -from unittest import mock, skipIf +from unittest import mock -import pytest from twisted.trial import unittest import scrapy from scrapy.cmdline import _pop_command_name, _print_unknown_command_msg from scrapy.commands import ScrapyCommand, ScrapyHelpFormatter, view -from scrapy.commands.startproject import IGNORE from scrapy.settings import Settings from scrapy.utils.python import to_unicode from scrapy.utils.test import get_testenv -from tests.test_crawler import ExceptionSpider, NoRequestsSpider if TYPE_CHECKING: - from collections.abc import Iterator + import os class TestCommandSettings: @@ -125,309 +116,6 @@ class TestProjectBase(unittest.TestCase): return None -class TestStartprojectCommand(TestProjectBase): - def test_startproject(self): - p, out, err = self.proc("startproject", self.project_name) - print(out) - print(err, file=sys.stderr) - assert p.returncode == 0 - - assert Path(self.proj_path, "scrapy.cfg").exists() - assert Path(self.proj_path, "testproject").exists() - assert Path(self.proj_mod_path, "__init__.py").exists() - assert Path(self.proj_mod_path, "items.py").exists() - assert Path(self.proj_mod_path, "pipelines.py").exists() - assert Path(self.proj_mod_path, "settings.py").exists() - assert Path(self.proj_mod_path, "spiders", "__init__.py").exists() - - assert self.call("startproject", self.project_name) == 1 - assert self.call("startproject", "wrong---project---name") == 1 - assert self.call("startproject", "sys") == 1 - - def test_startproject_with_project_dir(self): - project_dir = mkdtemp() - assert self.call("startproject", self.project_name, project_dir) == 0 - - assert Path(project_dir, "scrapy.cfg").exists() - assert Path(project_dir, "testproject").exists() - assert Path(project_dir, self.project_name, "__init__.py").exists() - assert Path(project_dir, self.project_name, "items.py").exists() - assert Path(project_dir, self.project_name, "pipelines.py").exists() - assert Path(project_dir, self.project_name, "settings.py").exists() - assert Path(project_dir, self.project_name, "spiders", "__init__.py").exists() - - assert self.call("startproject", self.project_name, project_dir + "2") == 0 - - assert self.call("startproject", self.project_name, project_dir) == 1 - assert self.call("startproject", self.project_name + "2", project_dir) == 1 - assert self.call("startproject", "wrong---project---name") == 1 - assert self.call("startproject", "sys") == 1 - assert self.call("startproject") == 2 - assert ( - self.call("startproject", self.project_name, project_dir, "another_params") - == 2 - ) - - def test_existing_project_dir(self): - project_dir = mkdtemp() - project_name = self.project_name + "_existing" - project_path = Path(project_dir, project_name) - project_path.mkdir() - - p, out, err = self.proc("startproject", project_name, cwd=project_dir) - print(out) - print(err, file=sys.stderr) - assert p.returncode == 0 - - assert Path(project_path, "scrapy.cfg").exists() - assert Path(project_path, project_name).exists() - assert Path(project_path, project_name, "__init__.py").exists() - assert Path(project_path, project_name, "items.py").exists() - assert Path(project_path, project_name, "pipelines.py").exists() - assert Path(project_path, project_name, "settings.py").exists() - assert Path(project_path, project_name, "spiders", "__init__.py").exists() - - -def get_permissions_dict( - path: str | os.PathLike, renamings=None, ignore=None -) -> dict[str, str]: - def get_permissions(path: Path) -> str: - return oct(path.stat().st_mode) - - path_obj = Path(path) - - renamings = renamings or () - permissions_dict = { - ".": get_permissions(path_obj), - } - for root, dirs, files in os.walk(path_obj): - nodes = list(chain(dirs, files)) - if ignore: - ignored_names = ignore(root, nodes) - nodes = [node for node in nodes if node not in ignored_names] - for node in nodes: - absolute_path = Path(root, node) - relative_path = str(absolute_path.relative_to(path)) - for search_string, replacement in renamings: - relative_path = relative_path.replace(search_string, replacement) - permissions = get_permissions(absolute_path) - permissions_dict[relative_path] = permissions - return permissions_dict - - -class TestStartprojectTemplates(TestProjectBase): - maxDiff = None - - def setUp(self): - super().setUp() - self.tmpl = str(Path(self.temp_path, "templates")) - self.tmpl_proj = str(Path(self.tmpl, "project")) - - def test_startproject_template_override(self): - copytree(Path(scrapy.__path__[0], "templates"), self.tmpl) - Path(self.tmpl_proj, "root_template").write_bytes(b"") - assert Path(self.tmpl_proj, "root_template").exists() - - args = ["--set", f"TEMPLATES_DIR={self.tmpl}"] - p, out, err = self.proc("startproject", self.project_name, *args) - assert ( - f"New Scrapy project '{self.project_name}', using template directory" in out - ) - assert self.tmpl_proj in out - assert Path(self.proj_path, "root_template").exists() - - def test_startproject_permissions_from_writable(self): - """Check that generated files have the right permissions when the - template folder has the same permissions as in the project, i.e. - everything is writable.""" - scrapy_path = scrapy.__path__[0] - project_template = Path(scrapy_path, "templates", "project") - project_name = "startproject1" - renamings = ( - ("module", project_name), - (".tmpl", ""), - ) - expected_permissions = get_permissions_dict( - project_template, - renamings, - IGNORE, - ) - - destination = mkdtemp() - process = subprocess.Popen( - ( - sys.executable, - "-m", - "scrapy.cmdline", - "startproject", - project_name, - ), - cwd=destination, - env=self.env, - ) - process.wait() - - project_dir = Path(destination, project_name) - actual_permissions = get_permissions_dict(project_dir) - - assert actual_permissions == expected_permissions - - def test_startproject_permissions_from_read_only(self): - """Check that generated files have the right permissions when the - template folder has been made read-only, which is something that some - systems do. - - See https://github.com/scrapy/scrapy/pull/4604 - """ - scrapy_path = scrapy.__path__[0] - templates_dir = Path(scrapy_path, "templates") - project_template = Path(templates_dir, "project") - project_name = "startproject2" - renamings = ( - ("module", project_name), - (".tmpl", ""), - ) - expected_permissions = get_permissions_dict( - project_template, - renamings, - IGNORE, - ) - - def _make_read_only(path: Path): - current_permissions = path.stat().st_mode - path.chmod(current_permissions & ~ANYONE_WRITE_PERMISSION) - - read_only_templates_dir = str(Path(mkdtemp()) / "templates") - copytree(templates_dir, read_only_templates_dir) - - for root, dirs, files in os.walk(read_only_templates_dir): - for node in chain(dirs, files): - _make_read_only(Path(root, node)) - - destination = mkdtemp() - process = subprocess.Popen( - ( - sys.executable, - "-m", - "scrapy.cmdline", - "startproject", - project_name, - "--set", - f"TEMPLATES_DIR={read_only_templates_dir}", - ), - cwd=destination, - env=self.env, - ) - process.wait() - - project_dir = Path(destination, project_name) - actual_permissions = get_permissions_dict(project_dir) - - assert actual_permissions == expected_permissions - - def test_startproject_permissions_unchanged_in_destination(self): - """Check that preexisting folders and files in the destination folder - do not see their permissions modified.""" - scrapy_path = scrapy.__path__[0] - project_template = Path(scrapy_path, "templates", "project") - project_name = "startproject3" - renamings = ( - ("module", project_name), - (".tmpl", ""), - ) - expected_permissions = get_permissions_dict( - project_template, - renamings, - IGNORE, - ) - - destination = mkdtemp() - project_dir = Path(destination, project_name) - - existing_nodes = { - oct(permissions)[2:] + extension: permissions - for extension in ("", ".d") - for permissions in ( - 0o444, - 0o555, - 0o644, - 0o666, - 0o755, - 0o777, - ) - } - project_dir.mkdir() - for node, permissions in existing_nodes.items(): - path = project_dir / node - if node.endswith(".d"): - path.mkdir(mode=permissions) - else: - path.touch(mode=permissions) - expected_permissions[node] = oct(path.stat().st_mode) - - process = subprocess.Popen( - ( - sys.executable, - "-m", - "scrapy.cmdline", - "startproject", - project_name, - ".", - ), - cwd=project_dir, - env=self.env, - ) - process.wait() - - actual_permissions = get_permissions_dict(project_dir) - - assert actual_permissions == expected_permissions - - def test_startproject_permissions_umask_022(self): - """Check that generated files have the right permissions when the - system uses a umask value that causes new files to have different - permissions than those from the template folder.""" - - @contextmanager - def umask(new_mask): - cur_mask = os.umask(new_mask) - yield - os.umask(cur_mask) - - scrapy_path = scrapy.__path__[0] - project_template = Path(scrapy_path, "templates", "project") - project_name = "umaskproject" - renamings = ( - ("module", project_name), - (".tmpl", ""), - ) - expected_permissions = get_permissions_dict( - project_template, - renamings, - IGNORE, - ) - - with umask(0o002): - destination = mkdtemp() - process = subprocess.Popen( - ( - sys.executable, - "-m", - "scrapy.cmdline", - "startproject", - project_name, - ), - cwd=destination, - env=self.env, - ) - process.wait() - - project_dir = Path(destination, project_name) - actual_permissions = get_permissions_dict(project_dir) - - assert actual_permissions == expected_permissions - - class TestCommandBase(TestProjectBase): def setUp(self): super().setUp() @@ -436,208 +124,6 @@ class TestCommandBase(TestProjectBase): self.env["SCRAPY_SETTINGS_MODULE"] = f"{self.project_name}.settings" -class TestGenspiderCommand(TestCommandBase): - def test_arguments(self): - # only pass one argument. spider script shouldn't be created - assert self.call("genspider", "test_name") == 2 - assert not Path(self.proj_mod_path, "spiders", "test_name.py").exists() - # pass two arguments . spider script should be created - assert self.call("genspider", "test_name", "test.com") == 0 - assert Path(self.proj_mod_path, "spiders", "test_name.py").exists() - - def test_template(self, tplname="crawl"): - args = [f"--template={tplname}"] if tplname else [] - spname = "test_spider" - spmodule = f"{self.project_name}.spiders.{spname}" - p, out, err = self.proc("genspider", spname, "test.com", *args) - assert ( - f"Created spider {spname!r} using template {tplname!r} in module:{os.linesep} {spmodule}" - in out - ) - assert Path(self.proj_mod_path, "spiders", "test_spider.py").exists() - modify_time_before = ( - Path(self.proj_mod_path, "spiders", "test_spider.py").stat().st_mtime - ) - p, out, err = self.proc("genspider", spname, "test.com", *args) - assert f"Spider {spname!r} already exists in module" in out - modify_time_after = ( - Path(self.proj_mod_path, "spiders", "test_spider.py").stat().st_mtime - ) - assert modify_time_after == modify_time_before - - def test_template_basic(self): - self.test_template("basic") - - def test_template_csvfeed(self): - self.test_template("csvfeed") - - def test_template_xmlfeed(self): - self.test_template("xmlfeed") - - def test_list(self): - assert self.call("genspider", "--list") == 0 - - def test_dump(self): - assert self.call("genspider", "--dump=basic") == 0 - assert self.call("genspider", "-d", "basic") == 0 - - def test_same_name_as_project(self): - assert self.call("genspider", self.project_name) == 2 - assert not Path( - self.proj_mod_path, "spiders", f"{self.project_name}.py" - ).exists() - - def test_same_filename_as_existing_spider(self, force=False): - file_name = "example" - file_path = Path(self.proj_mod_path, "spiders", f"{file_name}.py") - assert self.call("genspider", file_name, "example.com") == 0 - assert file_path.exists() - - # change name of spider but not its file name - with file_path.open("r+", encoding="utf-8") as spider_file: - file_data = spider_file.read() - file_data = file_data.replace('name = "example"', 'name = "renamed"') - spider_file.seek(0) - spider_file.write(file_data) - spider_file.truncate() - modify_time_before = file_path.stat().st_mtime - file_contents_before = file_data - - if force: - p, out, err = self.proc("genspider", "--force", file_name, "example.com") - assert ( - f"Created spider {file_name!r} using template 'basic' in module" in out - ) - modify_time_after = file_path.stat().st_mtime - assert modify_time_after != modify_time_before - file_contents_after = file_path.read_text(encoding="utf-8") - assert file_contents_after != file_contents_before - else: - p, out, err = self.proc("genspider", file_name, "example.com") - assert f"{file_path.resolve()} already exists" in out - modify_time_after = file_path.stat().st_mtime - assert modify_time_after == modify_time_before - file_contents_after = file_path.read_text(encoding="utf-8") - assert file_contents_after == file_contents_before - - def test_same_filename_as_existing_spider_force(self): - self.test_same_filename_as_existing_spider(force=True) - - def test_url(self, url="test.com", domain="test.com"): - assert self.call("genspider", "--force", "test_name", url) == 0 - assert ( - self.find_in_file( - Path(self.proj_mod_path, "spiders", "test_name.py"), - r"allowed_domains\s*=\s*\[['\"](.+)['\"]\]", - ).group(1) - == domain - ) - assert ( - self.find_in_file( - Path(self.proj_mod_path, "spiders", "test_name.py"), - r"start_urls\s*=\s*\[['\"](.+)['\"]\]", - ).group(1) - == f"https://{domain}" - ) - - def test_url_schema(self): - self.test_url("https://test.com", "test.com") - - def test_template_start_urls( - self, url="test.com", expected="https://test.com", template="basic" - ): - assert self.call("genspider", "-t", template, "--force", "test_name", url) == 0 - assert ( - self.find_in_file( - Path(self.proj_mod_path, "spiders", "test_name.py"), - r"start_urls\s*=\s*\[['\"](.+)['\"]\]", - ).group(1) - == expected - ) - - def test_genspider_basic_start_urls(self): - self.test_template_start_urls("https://test.com", "https://test.com", "basic") - self.test_template_start_urls("http://test.com", "http://test.com", "basic") - self.test_template_start_urls( - "http://test.com/other/path", "http://test.com/other/path", "basic" - ) - self.test_template_start_urls( - "test.com/other/path", "https://test.com/other/path", "basic" - ) - - def test_genspider_crawl_start_urls(self): - self.test_template_start_urls("https://test.com", "https://test.com", "crawl") - self.test_template_start_urls("http://test.com", "http://test.com", "crawl") - self.test_template_start_urls( - "http://test.com/other/path", "http://test.com/other/path", "crawl" - ) - self.test_template_start_urls( - "test.com/other/path", "https://test.com/other/path", "crawl" - ) - self.test_template_start_urls("test.com", "https://test.com", "crawl") - - def test_genspider_xmlfeed_start_urls(self): - self.test_template_start_urls( - "https://test.com/feed.xml", "https://test.com/feed.xml", "xmlfeed" - ) - self.test_template_start_urls( - "http://test.com/feed.xml", "http://test.com/feed.xml", "xmlfeed" - ) - self.test_template_start_urls( - "test.com/feed.xml", "https://test.com/feed.xml", "xmlfeed" - ) - - def test_genspider_csvfeed_start_urls(self): - self.test_template_start_urls( - "https://test.com/feed.csv", "https://test.com/feed.csv", "csvfeed" - ) - self.test_template_start_urls( - "http://test.com/feed.xml", "http://test.com/feed.xml", "csvfeed" - ) - self.test_template_start_urls( - "test.com/feed.csv", "https://test.com/feed.csv", "csvfeed" - ) - - -class TestGenspiderStandaloneCommand(TestProjectBase): - def test_generate_standalone_spider(self): - self.call("genspider", "example", "example.com") - assert Path(self.temp_path, "example.py").exists() - - def test_same_name_as_existing_file(self, force=False): - file_name = "example" - file_path = Path(self.temp_path, file_name + ".py") - p, out, err = self.proc("genspider", file_name, "example.com") - assert f"Created spider {file_name!r} using template 'basic' " in out - assert file_path.exists() - modify_time_before = file_path.stat().st_mtime - file_contents_before = file_path.read_text(encoding="utf-8") - - if force: - # use different template to ensure contents were changed - p, out, err = self.proc( - "genspider", "--force", "-t", "crawl", file_name, "example.com" - ) - assert f"Created spider {file_name!r} using template 'crawl' " in out - modify_time_after = file_path.stat().st_mtime - assert modify_time_after != modify_time_before - file_contents_after = file_path.read_text(encoding="utf-8") - assert file_contents_after != file_contents_before - else: - p, out, err = self.proc("genspider", file_name, "example.com") - assert ( - f"{Path(self.temp_path, file_name + '.py').resolve()} already exists" - in out - ) - modify_time_after = file_path.stat().st_mtime - assert modify_time_after == modify_time_before - file_contents_after = file_path.read_text(encoding="utf-8") - assert file_contents_after == file_contents_before - - def test_same_name_as_existing_file_force(self): - self.test_same_name_as_existing_file(force=True) - - class TestMiscCommands(TestCommandBase): def test_list(self): assert self.call("list") == 0 @@ -661,362 +147,6 @@ Unknown command: abc assert out.getvalue().strip() == message.strip() -class TestRunSpiderCommand(TestCommandBase): - spider_filename = "myspider.py" - - debug_log_spider = """ -import scrapy - -class MySpider(scrapy.Spider): - name = 'myspider' - - async def start(self): - self.logger.debug("It Works!") - return - yield -""" - - badspider = """ -import scrapy - -class BadSpider(scrapy.Spider): - name = "bad" - async def start(self): - raise Exception("oops!") - yield - """ - - @contextmanager - def _create_file(self, content: str, name: str | None = None) -> Iterator[str]: - with TemporaryDirectory() as tmpdir: - if name: - fname = Path(tmpdir, name).resolve() - else: - fname = Path(tmpdir, self.spider_filename).resolve() - fname.write_text(content, encoding="utf-8") - yield str(fname) - - def runspider(self, code, name=None, args=()): - with self._create_file(code, name) as fname: - return self.proc("runspider", fname, *args) - - def get_log(self, code, name=None, args=()): - p, stdout, stderr = self.runspider(code, name, args=args) - return stderr - - def test_runspider(self): - log = self.get_log(self.debug_log_spider) - assert "DEBUG: It Works!" in log - assert "INFO: Spider opened" in log - assert "INFO: Closing spider (finished)" in log - assert "INFO: Spider closed (finished)" in log - - def test_run_fail_spider(self): - proc, _, _ = self.runspider( - "import scrapy\n" + inspect.getsource(ExceptionSpider) - ) - ret = proc.returncode - assert ret != 0 - - def test_run_good_spider(self): - proc, _, _ = self.runspider( - "import scrapy\n" + inspect.getsource(NoRequestsSpider) - ) - ret = proc.returncode - assert ret == 0 - - def test_runspider_log_level(self): - log = self.get_log(self.debug_log_spider, args=("-s", "LOG_LEVEL=INFO")) - assert "DEBUG: It Works!" not in log - assert "INFO: Spider opened" in log - - def test_runspider_dnscache_disabled(self): - # see https://github.com/scrapy/scrapy/issues/2811 - # The spider below should not be able to connect to localhost:12345, - # which is intended, - # but this should not be because of DNS lookup error - # assumption: localhost will resolve in all cases (true?) - dnscache_spider = """ -import scrapy - -class MySpider(scrapy.Spider): - name = 'myspider' - start_urls = ['http://localhost:12345'] - - def parse(self, response): - return {'test': 'value'} -""" - log = self.get_log(dnscache_spider, args=("-s", "DNSCACHE_ENABLED=False")) - assert "DNSLookupError" not in log - assert "INFO: Spider opened" in log - - def test_runspider_log_short_names(self): - log1 = self.get_log(self.debug_log_spider, args=("-s", "LOG_SHORT_NAMES=1")) - assert "[myspider] DEBUG: It Works!" in log1 - assert "[scrapy]" in log1 - assert "[scrapy.core.engine]" not in log1 - - log2 = self.get_log(self.debug_log_spider, args=("-s", "LOG_SHORT_NAMES=0")) - assert "[myspider] DEBUG: It Works!" in log2 - assert "[scrapy]" not in log2 - assert "[scrapy.core.engine]" in log2 - - def test_runspider_no_spider_found(self): - log = self.get_log("from scrapy.spiders import Spider\n") - assert "No spider found in file" in log - - def test_runspider_file_not_found(self): - _, _, log = self.proc("runspider", "some_non_existent_file") - assert "File not found: some_non_existent_file" in log - - def test_runspider_unable_to_load(self): - log = self.get_log("", name="myspider.txt") - assert "Unable to load" in log - - def test_start_errors(self): - log = self.get_log(self.badspider, name="badspider.py") - assert "start" in log - assert "badspider.py" in log, log - - def test_asyncio_enabled_true(self): - log = self.get_log( - self.debug_log_spider, - args=[ - "-s", - "TWISTED_REACTOR=twisted.internet.asyncioreactor.AsyncioSelectorReactor", - ], - ) - assert ( - "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" - in log - ) - - def test_asyncio_enabled_default(self): - log = self.get_log(self.debug_log_spider, args=[]) - assert ( - "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" - in log - ) - - def test_asyncio_enabled_false(self): - log = self.get_log( - self.debug_log_spider, - args=["-s", "TWISTED_REACTOR=twisted.internet.selectreactor.SelectReactor"], - ) - assert "Using reactor: twisted.internet.selectreactor.SelectReactor" in log - assert ( - "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" - not in log - ) - - @pytest.mark.requires_uvloop - def test_custom_asyncio_loop_enabled_true(self): - log = self.get_log( - self.debug_log_spider, - args=[ - "-s", - "TWISTED_REACTOR=twisted.internet.asyncioreactor.AsyncioSelectorReactor", - "-s", - "ASYNCIO_EVENT_LOOP=uvloop.Loop", - ], - ) - assert "Using asyncio event loop: uvloop.Loop" in log - - def test_custom_asyncio_loop_enabled_false(self): - log = self.get_log( - self.debug_log_spider, - args=[ - "-s", - "TWISTED_REACTOR=twisted.internet.asyncioreactor.AsyncioSelectorReactor", - ], - ) - import asyncio - - if sys.platform != "win32": - loop = asyncio.new_event_loop() - else: - loop = asyncio.SelectorEventLoop() - assert ( - f"Using asyncio event loop: {loop.__module__}.{loop.__class__.__name__}" - in log - ) - - def test_output(self): - spider_code = """ -import scrapy - -class MySpider(scrapy.Spider): - name = 'myspider' - - async def start(self): - self.logger.debug('FEEDS: {}'.format(self.settings.getdict('FEEDS'))) - return - yield -""" - args = ["-o", "example.json"] - log = self.get_log(spider_code, args=args) - assert "[myspider] DEBUG: FEEDS: {'example.json': {'format': 'json'}}" in log - - def test_overwrite_output(self): - spider_code = """ -import json -import scrapy - -class MySpider(scrapy.Spider): - name = 'myspider' - - async def start(self): - self.logger.debug( - 'FEEDS: {}'.format( - json.dumps(self.settings.getdict('FEEDS'), sort_keys=True) - ) - ) - return - yield -""" - Path(self.cwd, "example.json").write_text("not empty", encoding="utf-8") - args = ["-O", "example.json"] - log = self.get_log(spider_code, args=args) - assert ( - '[myspider] DEBUG: FEEDS: {"example.json": {"format": "json", "overwrite": true}}' - in log - ) - with Path(self.cwd, "example.json").open(encoding="utf-8") as f2: - first_line = f2.readline() - assert first_line != "not empty" - - def test_output_and_overwrite_output(self): - spider_code = """ -import scrapy - -class MySpider(scrapy.Spider): - name = 'myspider' - - async def start(self): - return - yield -""" - args = ["-o", "example1.json", "-O", "example2.json"] - log = self.get_log(spider_code, args=args) - assert ( - "error: Please use only one of -o/--output and -O/--overwrite-output" in log - ) - - def test_output_stdout(self): - spider_code = """ -import scrapy - -class MySpider(scrapy.Spider): - name = 'myspider' - - async def start(self): - self.logger.debug('FEEDS: {}'.format(self.settings.getdict('FEEDS'))) - return - yield -""" - args = ["-o", "-:json"] - log = self.get_log(spider_code, args=args) - assert "[myspider] DEBUG: FEEDS: {'stdout:': {'format': 'json'}}" in log - - @skipIf(platform.system() == "Windows", reason="Linux only") - def test_absolute_path_linux(self): - spider_code = """ -import scrapy - -class MySpider(scrapy.Spider): - name = 'myspider' - - start_urls = ["data:,"] - - def parse(self, response): - yield {"hello": "world"} - """ - temp_dir = mkdtemp() - - args = ["-o", f"{temp_dir}/output1.json:json"] - log = self.get_log(spider_code, args=args) - assert ( - f"[scrapy.extensions.feedexport] INFO: Stored json feed (1 items) in: {temp_dir}/output1.json" - in log - ) - - args = ["-o", f"{temp_dir}/output2.json"] - log = self.get_log(spider_code, args=args) - assert ( - f"[scrapy.extensions.feedexport] INFO: Stored json feed (1 items) in: {temp_dir}/output2.json" - in log - ) - - @skipIf(platform.system() != "Windows", reason="Windows only") - def test_absolute_path_windows(self): - spider_code = """ -import scrapy - -class MySpider(scrapy.Spider): - name = 'myspider' - - start_urls = ["data:,"] - - def parse(self, response): - yield {"hello": "world"} - """ - temp_dir = mkdtemp() - - args = ["-o", f"{temp_dir}\\output1.json:json"] - log = self.get_log(spider_code, args=args) - assert ( - f"[scrapy.extensions.feedexport] INFO: Stored json feed (1 items) in: {temp_dir}\\output1.json" - in log - ) - - args = ["-o", f"{temp_dir}\\output2.json"] - log = self.get_log(spider_code, args=args) - assert ( - f"[scrapy.extensions.feedexport] INFO: Stored json feed (1 items) in: {temp_dir}\\output2.json" - in log - ) - - def test_args_change_settings(self): - spider_code = """ -import scrapy - -class MySpider(scrapy.Spider): - name = 'myspider' - - @classmethod - def from_crawler(cls, crawler, *args, **kwargs): - spider = super().from_crawler(crawler, *args, **kwargs) - spider.settings.set("FOO", kwargs.get("foo")) - return spider - - async def start(self): - self.logger.info(f"The value of FOO is {self.settings.getint('FOO')}") - return - yield -""" - args = ["-a", "foo=42"] - log = self.get_log(spider_code, args=args) - assert "Spider closed (finished)" in log - assert "The value of FOO is 42" in log - - -class TestWindowsRunSpiderCommand(TestRunSpiderCommand): - spider_filename = "myspider.pyw" - - def setUp(self): - if platform.system() != "Windows": - raise unittest.SkipTest("Windows required for .pyw files") - return super().setUp() - - def test_start_errors(self): - log = self.get_log(self.badspider, name="badspider.pyw") - assert "start" in log - assert "badspider.pyw" in log - - def test_runspider_unable_to_load(self): - raise unittest.SkipTest("Already Tested in 'RunSpiderCommandTest' ") - - class TestBenchCommand(TestCommandBase): def test_run(self): _, _, log = self.proc( @@ -1042,94 +172,6 @@ class TestViewCommand(TestCommandBase): assert "URL using the Scrapy downloader and show its" in command.long_desc() -class TestCrawlCommand(TestCommandBase): - def crawl(self, code, args=()): - Path(self.proj_mod_path, "spiders", "myspider.py").write_text( - code, encoding="utf-8" - ) - return self.proc("crawl", "myspider", *args) - - def get_log(self, code, args=()): - _, _, stderr = self.crawl(code, args=args) - return stderr - - def test_no_output(self): - spider_code = """ -import scrapy - -class MySpider(scrapy.Spider): - name = 'myspider' - - async def start(self): - self.logger.debug('It works!') - return - yield -""" - log = self.get_log(spider_code) - assert "[myspider] DEBUG: It works!" in log - - def test_output(self): - spider_code = """ -import scrapy - -class MySpider(scrapy.Spider): - name = 'myspider' - - async def start(self): - self.logger.debug('FEEDS: {}'.format(self.settings.getdict('FEEDS'))) - return - yield -""" - args = ["-o", "example.json"] - log = self.get_log(spider_code, args=args) - assert "[myspider] DEBUG: FEEDS: {'example.json': {'format': 'json'}}" in log - - def test_overwrite_output(self): - spider_code = """ -import json -import scrapy - -class MySpider(scrapy.Spider): - name = 'myspider' - - async def start(self): - self.logger.debug( - 'FEEDS: {}'.format( - json.dumps(self.settings.getdict('FEEDS'), sort_keys=True) - ) - ) - return - yield -""" - Path(self.cwd, "example.json").write_text("not empty", encoding="utf-8") - args = ["-O", "example.json"] - log = self.get_log(spider_code, args=args) - assert ( - '[myspider] DEBUG: FEEDS: {"example.json": {"format": "json", "overwrite": true}}' - in log - ) - with Path(self.cwd, "example.json").open(encoding="utf-8") as f2: - first_line = f2.readline() - assert first_line != "not empty" - - def test_output_and_overwrite_output(self): - spider_code = """ -import scrapy - -class MySpider(scrapy.Spider): - name = 'myspider' - - async def start(self): - return - yield -""" - args = ["-o", "example1.json", "-O", "example2.json"] - log = self.get_log(spider_code, args=args) - assert ( - "error: Please use only one of -o/--output and -O/--overwrite-output" in log - ) - - class TestHelpMessage(TestCommandBase): def setUp(self): super().setUp() From 8f92a26636b3cabf64fd29a65ef0eb554bdf4f05 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Fri, 30 May 2025 09:33:17 +0200 Subject: [PATCH 487/786] Avoid raw HTML in the README (#6839) --- README.rst | 29 +++++++++++++++-------------- 1 file changed, 15 insertions(+), 14 deletions(-) diff --git a/README.rst b/README.rst index 5dc994570..536dec7f0 100644 --- a/README.rst +++ b/README.rst @@ -1,40 +1,41 @@ -.. raw:: html +|logo| -

- - Scrapy - -

+.. |logo| image:: https://raw.githubusercontent.com/scrapy/scrapy/master/docs/_static/logo.svg + :target: https://scrapy.org + :alt: Scrapy + :width: 480px -.. image:: https://img.shields.io/pypi/v/Scrapy.svg +|version| |python_version| |ubuntu| |macos| |windows| |coverage| |conda| |deepwiki| + +.. |version| image:: https://img.shields.io/pypi/v/Scrapy.svg :target: https://pypi.org/pypi/Scrapy :alt: PyPI Version -.. image:: https://img.shields.io/pypi/pyversions/Scrapy.svg +.. |python_version| image:: https://img.shields.io/pypi/pyversions/Scrapy.svg :target: https://pypi.org/pypi/Scrapy :alt: Supported Python Versions -.. image:: https://github.com/scrapy/scrapy/workflows/Ubuntu/badge.svg +.. |ubuntu| image:: https://github.com/scrapy/scrapy/workflows/Ubuntu/badge.svg :target: https://github.com/scrapy/scrapy/actions?query=workflow%3AUbuntu :alt: Ubuntu -.. image:: https://github.com/scrapy/scrapy/workflows/macOS/badge.svg +.. |macos| image:: https://github.com/scrapy/scrapy/workflows/macOS/badge.svg :target: https://github.com/scrapy/scrapy/actions?query=workflow%3AmacOS :alt: macOS -.. image:: https://github.com/scrapy/scrapy/workflows/Windows/badge.svg +.. |windows| image:: https://github.com/scrapy/scrapy/workflows/Windows/badge.svg :target: https://github.com/scrapy/scrapy/actions?query=workflow%3AWindows :alt: Windows -.. image:: https://img.shields.io/codecov/c/github/scrapy/scrapy/master.svg +.. |coverage| image:: https://img.shields.io/codecov/c/github/scrapy/scrapy/master.svg :target: https://codecov.io/github/scrapy/scrapy?branch=master :alt: Coverage report -.. image:: https://anaconda.org/conda-forge/scrapy/badges/version.svg +.. |conda| image:: https://anaconda.org/conda-forge/scrapy/badges/version.svg :target: https://anaconda.org/conda-forge/scrapy :alt: Conda Version -.. image:: https://deepwiki.com/badge.svg +.. |deepwiki| image:: https://deepwiki.com/badge.svg :target: https://deepwiki.com/scrapy/scrapy :alt: Ask DeepWiki From 8ae418df44b7a107a4abe1a718721742d7e33fc0 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 2 Jun 2025 19:02:08 +0500 Subject: [PATCH 488/786] Rewrite download handler tests to coroutines. (#6846) --- .../test_downloader_handler_twisted_http10.py | 10 +- .../test_downloader_handler_twisted_http2.py | 112 +++-- tests/test_downloader_handlers.py | 123 +++--- tests/test_downloader_handlers_http_base.py | 410 +++++++++--------- 4 files changed, 329 insertions(+), 326 deletions(-) diff --git a/tests/test_downloader_handler_twisted_http10.py b/tests/test_downloader_handler_twisted_http10.py index 807c8c4cb..bc306aa07 100644 --- a/tests/test_downloader_handler_twisted_http10.py +++ b/tests/test_downloader_handler_twisted_http10.py @@ -9,6 +9,7 @@ import pytest from scrapy.core.downloader.handlers.http10 import HTTP10DownloadHandler from scrapy.http import Request from scrapy.spiders import Spider +from scrapy.utils.defer import deferred_f_from_coro_f from tests.test_downloader_handlers_http_base import TestHttpBase, TestHttpProxyBase if TYPE_CHECKING: @@ -25,12 +26,11 @@ class HTTP10DownloadHandlerMixin: class TestHttp10(HTTP10DownloadHandlerMixin, TestHttpBase): """HTTP 1.0 test case""" - def test_protocol(self): + @deferred_f_from_coro_f + async def test_protocol(self): request = Request(self.getURL("host"), method="GET") - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.protocol) - d.addCallback(self.assertEqual, "HTTP/1.0") - return d + response = await self.download_request(request, Spider("foo")) + assert response.protocol == "HTTP/1.0" class TestHttps10(TestHttp10): diff --git a/tests/test_downloader_handler_twisted_http2.py b/tests/test_downloader_handler_twisted_http2.py index 159f403d0..e058cedae 100644 --- a/tests/test_downloader_handler_twisted_http2.py +++ b/tests/test_downloader_handler_twisted_http2.py @@ -15,6 +15,10 @@ from twisted.web.http import H2_ENABLED from scrapy.http import Request from scrapy.spiders import Spider +from scrapy.utils.defer import ( + deferred_f_from_coro_f, + maybe_deferred_to_future, +) from scrapy.utils.misc import build_from_crawler from scrapy.utils.test import get_crawler from tests.mockserver import ssl_context_factory @@ -50,15 +54,14 @@ class H2DownloadHandlerMixin: class TestHttps2(H2DownloadHandlerMixin, TestHttps11Base): HTTP2_DATALOSS_SKIP_REASON = "Content-Length mismatch raises InvalidBodyLengthError" - def test_protocol(self): + @deferred_f_from_coro_f + async def test_protocol(self): request = Request(self.getURL("host"), method="GET") - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.protocol) - d.addCallback(self.assertEqual, "h2") - return d + response = await self.download_request(request, Spider("foo")) + assert response.protocol == "h2" - @defer.inlineCallbacks - def test_download_with_maxsize_very_large_file(self): + @deferred_f_from_coro_f + async def test_download_with_maxsize_very_large_file(self): from twisted.internet import reactor with mock.patch("scrapy.core.http2.stream.logger") as logger: @@ -67,8 +70,10 @@ class TestHttps2(H2DownloadHandlerMixin, TestHttps11Base): def check(logger): logger.error.assert_called_once_with(mock.ANY) - d = self.download_request(request, Spider("foo", download_maxsize=1500)) - yield self.assertFailure(d, defer.CancelledError, error.ConnectionAborted) + with pytest.raises((defer.CancelledError, error.ConnectionAborted)): + await self.download_request( + request, Spider("foo", download_maxsize=1500) + ) # As the error message is logged in the dataReceived callback, we # have to give a bit of time to the reactor to process the queue @@ -76,13 +81,13 @@ class TestHttps2(H2DownloadHandlerMixin, TestHttps11Base): d = defer.Deferred() d.addCallback(check) reactor.callLater(0.1, d.callback, logger) - yield d + await maybe_deferred_to_future(d) - @defer.inlineCallbacks - def test_unsupported_scheme(self): + @deferred_f_from_coro_f + async def test_unsupported_scheme(self): request = Request("ftp://unsupported.scheme") - d = self.download_request(request, Spider("foo")) - yield self.assertFailure(d, SchemeNotSupported) + with pytest.raises(SchemeNotSupported): + await self.download_request(request, Spider("foo")) def test_download_broken_content_cause_data_loss(self, url="broken"): pytest.skip(self.HTTP2_DATALOSS_SKIP_REASON) @@ -102,70 +107,60 @@ class TestHttps2(H2DownloadHandlerMixin, TestHttps11Base): def test_download_broken_chunked_content_allow_data_loss_via_setting(self): pytest.skip(self.HTTP2_DATALOSS_SKIP_REASON) - def test_concurrent_requests_same_domain(self): + @deferred_f_from_coro_f + async def test_concurrent_requests_same_domain(self): spider = Spider("foo") request1 = Request(self.getURL("file")) - d1 = self.download_request(request1, spider) - d1.addCallback(lambda r: r.body) - d1.addCallback(self.assertEqual, b"0123456789") + response1 = await self.download_request(request1, spider) + assert response1.body == b"0123456789" request2 = Request(self.getURL("echo"), method="POST") - d2 = self.download_request(request2, spider) - d2.addCallback(lambda r: r.headers["Content-Length"]) - d2.addCallback(self.assertEqual, b"79") - - return defer.DeferredList([d1, d2]) + response2 = await self.download_request(request2, spider) + assert response2.headers["Content-Length"] == b"79" @pytest.mark.xfail(reason="https://github.com/python-hyper/h2/issues/1247") - def test_connect_request(self): + @deferred_f_from_coro_f + async def test_connect_request(self): request = Request(self.getURL("file"), method="CONNECT") - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.body) - d.addCallback(self.assertEqual, b"") - return d + response = await self.download_request(request, Spider("foo")) + assert response.body == b"" - def test_custom_content_length_good(self): + @deferred_f_from_coro_f + async def test_custom_content_length_good(self): request = Request(self.getURL("contentlength")) custom_content_length = str(len(request.body)) request.headers["Content-Length"] = custom_content_length - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.text) - d.addCallback(self.assertEqual, custom_content_length) - return d + response = await self.download_request(request, Spider("foo")) + assert response.text == custom_content_length - def test_custom_content_length_bad(self): + @deferred_f_from_coro_f + async def test_custom_content_length_bad(self): request = Request(self.getURL("contentlength")) actual_content_length = str(len(request.body)) bad_content_length = str(len(request.body) + 1) request.headers["Content-Length"] = bad_content_length - log = LogCapture() - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.text) - d.addCallback(self.assertEqual, actual_content_length) - d.addCallback( - lambda _: log.check_present( - ( - "scrapy.core.http2.stream", - "WARNING", - f"Ignoring bad Content-Length header " - f"{bad_content_length!r} of request {request}, sending " - f"{actual_content_length!r} instead", - ) + with LogCapture() as log: + response = await self.download_request(request, Spider("foo")) + assert response.text == actual_content_length + log.check_present( + ( + "scrapy.core.http2.stream", + "WARNING", + f"Ignoring bad Content-Length header " + f"{bad_content_length!r} of request {request}, sending " + f"{actual_content_length!r} instead", ) ) - d.addCallback(lambda _: log.uninstall()) - return d - def test_duplicate_header(self): + @deferred_f_from_coro_f + async def test_duplicate_header(self): request = Request(self.getURL("echo")) header, value1, value2 = "Custom-Header", "foo", "bar" request.headers.appendlist(header, value1) request.headers.appendlist(header, value2) - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: json.loads(r.text)["headers"][header]) - d.addCallback(self.assertEqual, [value1, value2]) - return d + response = await self.download_request(request, Spider("foo")) + assert json.loads(response.text)["headers"][header] == [value1, value2] class Https2WrongHostnameTestCase(H2DownloadHandlerMixin, TestHttpsWrongHostnameBase): @@ -222,12 +217,13 @@ class Https2ProxyTestCase(H2DownloadHandlerMixin, TestHttpProxyBase): self.download_handler = build_from_crawler( self.download_handler_cls, get_crawler() ) - self.download_request = self.download_handler.download_request def getURL(self, path): return f"{self.scheme}://{self.host}:{self.portno}/{path}" - @defer.inlineCallbacks - def test_download_with_proxy_https_timeout(self): + @deferred_f_from_coro_f + async def test_download_with_proxy_https_timeout(self): with pytest.raises(NotImplementedError): - yield super().test_download_with_proxy_https_timeout() + await maybe_deferred_to_future( + super().test_download_with_proxy_https_timeout() + ) diff --git a/tests/test_downloader_handlers.py b/tests/test_downloader_handlers.py index dacadb075..09cdbaf35 100644 --- a/tests/test_downloader_handlers.py +++ b/tests/test_downloader_handlers.py @@ -22,10 +22,14 @@ from scrapy.core.downloader.handlers.file import FileDownloadHandler from scrapy.core.downloader.handlers.ftp import FTPDownloadHandler from scrapy.core.downloader.handlers.s3 import S3DownloadHandler from scrapy.exceptions import NotConfigured -from scrapy.http import HtmlResponse, Request +from scrapy.http import HtmlResponse, Request, Response from scrapy.http.response.text import TextResponse from scrapy.responsetypes import responsetypes from scrapy.spiders import Spider +from scrapy.utils.defer import ( + deferred_f_from_coro_f, + maybe_deferred_to_future, +) from scrapy.utils.misc import build_from_crawler from scrapy.utils.python import to_bytes from scrapy.utils.test import get_crawler @@ -95,28 +99,33 @@ class TestFile(unittest.TestCase): # add a special char to check that they are handled correctly self.fd, self.tmpname = mkstemp(suffix="^") Path(self.tmpname).write_text("0123456789", encoding="utf-8") - handler = build_from_crawler(FileDownloadHandler, get_crawler()) - self.download_request = handler.download_request + self.download_handler = build_from_crawler(FileDownloadHandler, get_crawler()) def tearDown(self): os.close(self.fd) Path(self.tmpname).unlink() - def test_download(self): - def _test(response): - assert response.url == request.url - assert response.status == 200 - assert response.body == b"0123456789" - assert response.protocol is None + async def download_request(self, request: Request, spider: Spider) -> Response: + return await maybe_deferred_to_future( + self.download_handler.download_request(request, spider) + ) + @deferred_f_from_coro_f + async def test_download(self): request = Request(path_to_file_uri(self.tmpname)) assert request.url.upper().endswith("%5E") - return self.download_request(request, Spider("foo")).addCallback(_test) + response = await self.download_request(request, Spider("foo")) + assert response.url == request.url + assert response.status == 200 + assert response.body == b"0123456789" + assert response.protocol is None - def test_non_existent(self): + @deferred_f_from_coro_f + async def test_non_existent(self): request = Request(path_to_file_uri(mkdtemp())) - d = self.download_request(request, Spider("foo")) - return self.assertFailure(d, OSError) + # the specific exception differs between platforms + with pytest.raises(OSError): # noqa: PT011 + await self.download_request(request, Spider("foo")) class HttpDownloadHandlerMock: @@ -479,69 +488,65 @@ class TestDataURI(unittest.TestCase): def setUp(self): crawler = get_crawler() self.download_handler = build_from_crawler(DataURIDownloadHandler, crawler) - self.download_request = self.download_handler.download_request self.spider = Spider("foo") - def test_response_attrs(self): + async def download_request(self, request: Request, spider: Spider) -> Response: + return await maybe_deferred_to_future( + self.download_handler.download_request(request, spider) + ) + + @deferred_f_from_coro_f + async def test_response_attrs(self): uri = "data:,A%20brief%20note" - - def _test(response): - assert response.url == uri - assert not response.headers - request = Request(uri) - return self.download_request(request, self.spider).addCallback(_test) - - def test_default_mediatype_encoding(self): - def _test(response): - assert response.text == "A brief note" - assert type(response) is responsetypes.from_mimetype("text/plain") # pylint: disable=unidiomatic-typecheck - assert response.encoding == "US-ASCII" + response = await self.download_request(request, self.spider) + assert response.url == uri + assert not response.headers + @deferred_f_from_coro_f + async def test_default_mediatype_encoding(self): request = Request("data:,A%20brief%20note") - return self.download_request(request, self.spider).addCallback(_test) - - def test_default_mediatype(self): - def _test(response): - assert response.text == "\u038e\u03a3\u038e" - assert type(response) is responsetypes.from_mimetype("text/plain") # pylint: disable=unidiomatic-typecheck - assert response.encoding == "iso-8859-7" + response = await self.download_request(request, self.spider) + assert response.text == "A brief note" + assert type(response) is responsetypes.from_mimetype("text/plain") # pylint: disable=unidiomatic-typecheck + assert response.encoding == "US-ASCII" + @deferred_f_from_coro_f + async def test_default_mediatype(self): request = Request("data:;charset=iso-8859-7,%be%d3%be") - return self.download_request(request, self.spider).addCallback(_test) - - def test_text_charset(self): - def _test(response): - assert response.text == "\u038e\u03a3\u038e" - assert response.body == b"\xbe\xd3\xbe" - assert response.encoding == "iso-8859-7" + response = await self.download_request(request, self.spider) + assert response.text == "\u038e\u03a3\u038e" + assert type(response) is responsetypes.from_mimetype("text/plain") # pylint: disable=unidiomatic-typecheck + assert response.encoding == "iso-8859-7" + @deferred_f_from_coro_f + async def test_text_charset(self): request = Request("data:text/plain;charset=iso-8859-7,%be%d3%be") - return self.download_request(request, self.spider).addCallback(_test) - - def test_mediatype_parameters(self): - def _test(response): - assert response.text == "\u038e\u03a3\u038e" - assert type(response) is responsetypes.from_mimetype("text/plain") # pylint: disable=unidiomatic-typecheck - assert response.encoding == "utf-8" + response = await self.download_request(request, self.spider) + assert response.text == "\u038e\u03a3\u038e" + assert response.body == b"\xbe\xd3\xbe" + assert response.encoding == "iso-8859-7" + @deferred_f_from_coro_f + async def test_mediatype_parameters(self): request = Request( "data:text/plain;foo=%22foo;bar%5C%22%22;" "charset=utf-8;bar=%22foo;%5C%22 foo ;/,%22" ",%CE%8E%CE%A3%CE%8E" ) - return self.download_request(request, self.spider).addCallback(_test) - - def test_base64(self): - def _test(response): - assert response.text == "Hello, world." + response = await self.download_request(request, self.spider) + assert response.text == "\u038e\u03a3\u038e" + assert type(response) is responsetypes.from_mimetype("text/plain") # pylint: disable=unidiomatic-typecheck + assert response.encoding == "utf-8" + @deferred_f_from_coro_f + async def test_base64(self): request = Request("data:text/plain;base64,SGVsbG8sIHdvcmxkLg%3D%3D") - return self.download_request(request, self.spider).addCallback(_test) - - def test_protocol(self): - def _test(response): - assert response.protocol is None + response = await self.download_request(request, self.spider) + assert response.text == "Hello, world." + @deferred_f_from_coro_f + async def test_protocol(self): request = Request("data:,") - return self.download_request(request, self.spider).addCallback(_test) + response = await self.download_request(request, self.spider) + assert response.protocol is None diff --git a/tests/test_downloader_handlers_http_base.py b/tests/test_downloader_handlers_http_base.py index 5eaf66966..14e12a3e6 100644 --- a/tests/test_downloader_handlers_http_base.py +++ b/tests/test_downloader_handlers_http_base.py @@ -2,6 +2,7 @@ from __future__ import annotations +import json import shutil import sys from abc import ABC, abstractmethod @@ -13,14 +14,20 @@ from unittest import mock import pytest from testfixtures import LogCapture from twisted.internet import defer, error +from twisted.internet.defer import maybeDeferred from twisted.protocols.policies import WrappingFactory from twisted.trial import unittest from twisted.web import resource, server, static, util from twisted.web._newclient import ResponseFailed from twisted.web.http import _DataLoss -from scrapy.http import Headers, HtmlResponse, Request, TextResponse +from scrapy.http import Headers, HtmlResponse, Request, Response, TextResponse from scrapy.spiders import Spider +from scrapy.utils.defer import ( + deferred_f_from_coro_f, + deferred_from_coro, + maybe_deferred_to_future, +) from scrapy.utils.misc import build_from_crawler from scrapy.utils.python import to_bytes from scrapy.utils.test import get_crawler @@ -178,7 +185,6 @@ class TestHttpBase(unittest.TestCase, ABC): self.download_handler = build_from_crawler( self.download_handler_cls, get_crawler() ) - self.download_request = self.download_handler.download_request @defer.inlineCallbacks def tearDown(self): @@ -190,36 +196,37 @@ class TestHttpBase(unittest.TestCase, ABC): def getURL(self, path): return f"{self.scheme}://{self.host}:{self.portno}/{path}" - def test_download(self): + async def download_request(self, request: Request, spider: Spider) -> Response: + return await maybe_deferred_to_future( + self.download_handler.download_request(request, spider) + ) + + @deferred_f_from_coro_f + async def test_download(self): request = Request(self.getURL("file")) - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.body) - d.addCallback(self.assertEqual, b"0123456789") - return d + response = await self.download_request(request, Spider("foo")) + assert response.body == b"0123456789" - def test_download_head(self): + @deferred_f_from_coro_f + async def test_download_head(self): request = Request(self.getURL("file"), method="HEAD") - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.body) - d.addCallback(self.assertEqual, b"") - return d + response = await self.download_request(request, Spider("foo")) + assert response.body == b"" - def test_redirect_status(self): + @deferred_f_from_coro_f + async def test_redirect_status(self): request = Request(self.getURL("redirect")) - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.status) - d.addCallback(self.assertEqual, 302) - return d + response = await self.download_request(request, Spider("foo")) + assert response.status == 302 - def test_redirect_status_head(self): + @deferred_f_from_coro_f + async def test_redirect_status_head(self): request = Request(self.getURL("redirect"), method="HEAD") - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.status) - d.addCallback(self.assertEqual, 302) - return d + response = await self.download_request(request, Spider("foo")) + assert response.status == 302 - @defer.inlineCallbacks - def test_timeout_download_from_spider_nodata_rcvd(self): + @deferred_f_from_coro_f + async def test_timeout_download_from_spider_nodata_rcvd(self): if self.reactor_pytest != "default" and sys.platform == "win32": # https://twistedmatrix.com/trac/ticket/10279 raise unittest.SkipTest( @@ -230,11 +237,12 @@ class TestHttpBase(unittest.TestCase, ABC): spider = Spider("foo") meta = {"download_timeout": 0.5} request = Request(self.getURL("wait"), meta=meta) - d = self.download_request(request, spider) - yield self.assertFailure(d, defer.TimeoutError, error.TimeoutError) + d = deferred_from_coro(self.download_request(request, spider)) + with pytest.raises((defer.TimeoutError, error.TimeoutError)): + await maybe_deferred_to_future(d) - @defer.inlineCallbacks - def test_timeout_download_from_spider_server_hangs(self): + @deferred_f_from_coro_f + async def test_timeout_download_from_spider_server_hangs(self): if self.reactor_pytest != "default" and sys.platform == "win32": # https://twistedmatrix.com/trac/ticket/10279 raise unittest.SkipTest( @@ -244,28 +252,27 @@ class TestHttpBase(unittest.TestCase, ABC): spider = Spider("foo") meta = {"download_timeout": 0.5} request = Request(self.getURL("hang-after-headers"), meta=meta) - d = self.download_request(request, spider) - yield self.assertFailure(d, defer.TimeoutError, error.TimeoutError) - - def test_host_header_not_in_request_headers(self): - def _test(response): - assert response.body == to_bytes(f"{self.host}:{self.portno}") - assert not request.headers + d = deferred_from_coro(self.download_request(request, spider)) + with pytest.raises((defer.TimeoutError, error.TimeoutError)): + await maybe_deferred_to_future(d) + @deferred_f_from_coro_f + async def test_host_header_not_in_request_headers(self): request = Request(self.getURL("host")) - return self.download_request(request, Spider("foo")).addCallback(_test) + response = await self.download_request(request, Spider("foo")) + assert response.body == to_bytes(f"{self.host}:{self.portno}") + assert not request.headers - def test_host_header_seted_in_request_headers(self): + @deferred_f_from_coro_f + async def test_host_header_set_in_request_headers(self): host = self.host + ":" + str(self.portno) - - def _test(response): - assert response.body == host.encode() - assert request.headers.get("Host") == host.encode() - request = Request(self.getURL("host"), headers={"Host": host}) - return self.download_request(request, Spider("foo")).addCallback(_test) + response = await self.download_request(request, Spider("foo")) + assert response.body == host.encode() + assert request.headers.get("Host") == host.encode() - def test_content_length_zero_bodyless_post_request_headers(self): + @deferred_f_from_coro_f + async def test_content_length_zero_bodyless_post_request_headers(self): """Tests if "Content-Length: 0" is sent for bodyless POST requests. This is not strictly required by HTTP RFCs but can cause trouble @@ -276,105 +283,93 @@ class TestHttpBase(unittest.TestCase, ABC): https://github.com/kennethreitz/requests/issues/405 https://bugs.python.org/issue14721 """ - - def _test(response): - assert response.body == b"0" - request = Request(self.getURL("contentlength"), method="POST") - return self.download_request(request, Spider("foo")).addCallback(_test) - - def test_content_length_zero_bodyless_post_only_one(self): - def _test(response): - import json - - headers = Headers(json.loads(response.text)["headers"]) - contentlengths = headers.getlist("Content-Length") - assert len(contentlengths) == 1 - assert contentlengths == [b"0"] + response = await self.download_request(request, Spider("foo")) + assert response.body == b"0" + @deferred_f_from_coro_f + async def test_content_length_zero_bodyless_post_only_one(self): request = Request(self.getURL("echo"), method="POST") - return self.download_request(request, Spider("foo")).addCallback(_test) + response = await self.download_request(request, Spider("foo")) + headers = Headers(json.loads(response.text)["headers"]) + contentlengths = headers.getlist("Content-Length") + assert len(contentlengths) == 1 + assert contentlengths == [b"0"] - def test_payload(self): + @deferred_f_from_coro_f + async def test_payload(self): body = b"1" * 100 # PayloadResource requires body length to be 100 request = Request(self.getURL("payload"), method="POST", body=body) - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.body) - d.addCallback(self.assertEqual, body) - return d + response = await self.download_request(request, Spider("foo")) + assert response.body == body - def test_response_header_content_length(self): + @deferred_f_from_coro_f + async def test_response_header_content_length(self): request = Request(self.getURL("file"), method=b"GET") - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.headers[b"content-length"]) - d.addCallback(self.assertEqual, b"159") - return d - - def _test_response_class(self, filename, body, response_class): - def _test(response): - assert type(response) is response_class # pylint: disable=unidiomatic-typecheck + response = await self.download_request(request, Spider("foo")) + assert response.headers[b"content-length"] == b"159" + async def _test_response_class( + self, filename: str, body: bytes, response_class: type[Response] + ) -> None: request = Request(self.getURL(filename), body=body) - return self.download_request(request, Spider("foo")).addCallback(_test) + response = await self.download_request(request, Spider("foo")) + assert type(response) is response_class # pylint: disable=unidiomatic-typecheck - def test_response_class_from_url(self): - return self._test_response_class("foo.html", b"", HtmlResponse) + @deferred_f_from_coro_f + async def test_response_class_from_url(self): + await self._test_response_class("foo.html", b"", HtmlResponse) - def test_response_class_from_body(self): - return self._test_response_class( + @deferred_f_from_coro_f + async def test_response_class_from_body(self): + await self._test_response_class( "foo", b"\n.", HtmlResponse, ) - def test_get_duplicate_header(self): - def _test(response): - assert response.headers.getlist(b"Set-Cookie") == [b"a=b", b"c=d"] - + @deferred_f_from_coro_f + async def test_get_duplicate_header(self): request = Request(self.getURL("duplicate-header")) - return self.download_request(request, Spider("foo")).addCallback(_test) + response = await self.download_request(request, Spider("foo")) + assert response.headers.getlist(b"Set-Cookie") == [b"a=b", b"c=d"] class TestHttp11Base(TestHttpBase): """HTTP 1.1 test case""" - def test_download_without_maxsize_limit(self): + @deferred_f_from_coro_f + async def test_download_without_maxsize_limit(self): request = Request(self.getURL("file")) - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.body) - d.addCallback(self.assertEqual, b"0123456789") - return d + response = await self.download_request(request, Spider("foo")) + assert response.body == b"0123456789" - def test_response_class_choosing_request(self): + @deferred_f_from_coro_f + async def test_response_class_choosing_request(self): """Tests choosing of correct response type in case of Content-Type is empty but body contains text. """ body = b"Some plain text\ndata with tabs\t and null bytes\0" - - def _test_type(response): - assert type(response) is TextResponse # pylint: disable=unidiomatic-typecheck - request = Request(self.getURL("nocontenttype"), body=body) - d = self.download_request(request, Spider("foo")) - d.addCallback(_test_type) - return d + response = await self.download_request(request, Spider("foo")) + assert type(response) is TextResponse # pylint: disable=unidiomatic-typecheck - @defer.inlineCallbacks - def test_download_with_maxsize(self): + @deferred_f_from_coro_f + async def test_download_with_maxsize(self): request = Request(self.getURL("file")) # 10 is minimal size for this request and the limit is only counted on # response body. (regardless of headers) - d = self.download_request(request, Spider("foo", download_maxsize=10)) - d.addCallback(lambda r: r.body) - d.addCallback(self.assertEqual, b"0123456789") - yield d + response = await self.download_request( + request, Spider("foo", download_maxsize=10) + ) + assert response.body == b"0123456789" - d = self.download_request(request, Spider("foo", download_maxsize=9)) - yield self.assertFailure(d, defer.CancelledError, error.ConnectionAborted) + with pytest.raises((defer.CancelledError, error.ConnectionAborted)): + await self.download_request(request, Spider("foo", download_maxsize=9)) - @defer.inlineCallbacks - def test_download_with_maxsize_very_large_file(self): + @deferred_f_from_coro_f + async def test_download_with_maxsize_very_large_file(self): from twisted.internet import reactor # TODO: the logger check is specific to scrapy.core.downloader.handlers.http11 @@ -384,8 +379,10 @@ class TestHttp11Base(TestHttpBase): def check(logger): logger.warning.assert_called_once_with(mock.ANY, mock.ANY) - d = self.download_request(request, Spider("foo", download_maxsize=1500)) - yield self.assertFailure(d, defer.CancelledError, error.ConnectionAborted) + with pytest.raises((defer.CancelledError, error.ConnectionAborted)): + await self.download_request( + request, Spider("foo", download_maxsize=1500) + ) # As the error message is logged in the dataReceived callback, we # have to give a bit of time to the reactor to process the queue @@ -393,84 +390,81 @@ class TestHttp11Base(TestHttpBase): d = defer.Deferred() d.addCallback(check) reactor.callLater(0.1, d.callback, logger) - yield d + await maybe_deferred_to_future(d) - @defer.inlineCallbacks - def test_download_with_maxsize_per_req(self): + @deferred_f_from_coro_f + async def test_download_with_maxsize_per_req(self): meta = {"download_maxsize": 2} request = Request(self.getURL("file"), meta=meta) - d = self.download_request(request, Spider("foo")) - yield self.assertFailure(d, defer.CancelledError, error.ConnectionAborted) + with pytest.raises((defer.CancelledError, error.ConnectionAborted)): + await self.download_request(request, Spider("foo")) - @defer.inlineCallbacks - def test_download_with_small_maxsize_per_spider(self): + @deferred_f_from_coro_f + async def test_download_with_small_maxsize_per_spider(self): request = Request(self.getURL("file")) - d = self.download_request(request, Spider("foo", download_maxsize=2)) - yield self.assertFailure(d, defer.CancelledError, error.ConnectionAborted) + with pytest.raises((defer.CancelledError, error.ConnectionAborted)): + await self.download_request(request, Spider("foo", download_maxsize=2)) - def test_download_with_large_maxsize_per_spider(self): + @deferred_f_from_coro_f + async def test_download_with_large_maxsize_per_spider(self): request = Request(self.getURL("file")) - d = self.download_request(request, Spider("foo", download_maxsize=100)) - d.addCallback(lambda r: r.body) - d.addCallback(self.assertEqual, b"0123456789") - return d + response = await self.download_request( + request, Spider("foo", download_maxsize=100) + ) + assert response.body == b"0123456789" - def test_download_chunked_content(self): + @deferred_f_from_coro_f + async def test_download_chunked_content(self): request = Request(self.getURL("chunked")) - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.body) - d.addCallback(self.assertEqual, b"chunked content\n") - return d + response = await self.download_request(request, Spider("foo")) + assert response.body == b"chunked content\n" - def test_download_broken_content_cause_data_loss(self, url="broken"): + @deferred_f_from_coro_f + async def test_download_broken_content_cause_data_loss( + self, url: str = "broken" + ) -> None: # TODO: this one checks for Twisted-specific exceptions request = Request(self.getURL(url)) - d = self.download_request(request, Spider("foo")) - - def checkDataLoss(failure): - if failure.check(ResponseFailed) and any( - r.check(_DataLoss) for r in failure.value.reasons - ): - return None - return failure - - d.addCallback(lambda _: self.fail("No DataLoss exception")) - d.addErrback(checkDataLoss) - return d + with pytest.raises(ResponseFailed) as exc_info: + await self.download_request(request, Spider("foo")) + assert any(r.check(_DataLoss) for r in exc_info.value.reasons) def test_download_broken_chunked_content_cause_data_loss(self): return self.test_download_broken_content_cause_data_loss("broken-chunked") - def test_download_broken_content_allow_data_loss(self, url="broken"): + @deferred_f_from_coro_f + async def test_download_broken_content_allow_data_loss( + self, url: str = "broken" + ) -> None: request = Request(self.getURL(url), meta={"download_fail_on_dataloss": False}) - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.flags) - d.addCallback(self.assertEqual, ["dataloss"]) - return d + response = await self.download_request(request, Spider("foo")) + assert response.flags == ["dataloss"] def test_download_broken_chunked_content_allow_data_loss(self): return self.test_download_broken_content_allow_data_loss("broken-chunked") - def test_download_broken_content_allow_data_loss_via_setting(self, url="broken"): + @deferred_f_from_coro_f + async def test_download_broken_content_allow_data_loss_via_setting( + self, url: str = "broken" + ) -> None: crawler = get_crawler(settings_dict={"DOWNLOAD_FAIL_ON_DATALOSS": False}) download_handler = build_from_crawler(self.download_handler_cls, crawler) request = Request(self.getURL(url)) - d = download_handler.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.flags) - d.addCallback(self.assertEqual, ["dataloss"]) - return d + response = await maybe_deferred_to_future( + download_handler.download_request(request, Spider("foo")) + ) + assert response.flags == ["dataloss"] def test_download_broken_chunked_content_allow_data_loss_via_setting(self): return self.test_download_broken_content_allow_data_loss_via_setting( "broken-chunked" ) - def test_protocol(self): + @deferred_f_from_coro_f + async def test_protocol(self): request = Request(self.getURL("host"), method="GET") - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.protocol) - d.addCallback(self.assertEqual, "HTTP/1.1") - return d + response = await self.download_request(request, Spider("foo")) + assert response.protocol == "HTTP/1.1" class TestHttps11Base(TestHttp11Base): @@ -481,8 +475,8 @@ class TestHttps11Base(TestHttp11Base): 'subject "/C=IE/O=Scrapy/CN=localhost"' ) - @defer.inlineCallbacks - def test_tls_logging(self): + @deferred_f_from_coro_f + async def test_tls_logging(self): crawler = get_crawler( settings_dict={"DOWNLOADER_CLIENT_TLS_VERBOSE_LOGGING": True} ) @@ -490,15 +484,15 @@ class TestHttps11Base(TestHttp11Base): try: with LogCapture() as log_capture: request = Request(self.getURL("file")) - d = download_handler.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.body) - d.addCallback(self.assertEqual, b"0123456789") - yield d + response = await maybe_deferred_to_future( + download_handler.download_request(request, Spider("foo")) + ) + assert response.body == b"0123456789" log_capture.check_present( ("scrapy.core.downloader.tls", "DEBUG", self.tls_log_message) ) finally: - yield download_handler.close() + await maybe_deferred_to_future(maybeDeferred(download_handler.close)) class TestSimpleHttpsBase(unittest.TestCase, ABC): @@ -536,7 +530,6 @@ class TestSimpleHttpsBase(unittest.TestCase, ABC): settings_dict = None crawler = get_crawler(settings_dict=settings_dict) self.download_handler = build_from_crawler(self.download_handler_cls, crawler) - self.download_request = self.download_handler.download_request @defer.inlineCallbacks def tearDown(self): @@ -548,12 +541,16 @@ class TestSimpleHttpsBase(unittest.TestCase, ABC): def getURL(self, path): return f"https://{self.host}:{self.portno}/{path}" - def test_download(self): + async def download_request(self, request: Request, spider: Spider) -> Response: + return await maybe_deferred_to_future( + self.download_handler.download_request(request, spider) + ) + + @deferred_f_from_coro_f + async def test_download(self): request = Request(self.getURL("file")) - d = self.download_request(request, Spider("foo")) - d.addCallback(lambda r: r.body) - d.addCallback(self.assertEqual, b"0123456789") - return d + response = await self.download_request(request, Spider("foo")) + assert response.body == b"0123456789" class TestHttpsWrongHostnameBase(TestSimpleHttpsBase): @@ -604,25 +601,29 @@ class TestHttpMockServerBase(unittest.TestCase, ABC): def tearDownClass(cls): cls.mockserver.__exit__(None, None, None) - @defer.inlineCallbacks - def test_download_with_content_length(self): + @deferred_f_from_coro_f + async def test_download_with_content_length(self): crawler = get_crawler(SingleRequestSpider, self.settings_dict) # http://localhost:8998/partial set Content-Length to 1024, use download_maxsize= 1000 to avoid # download it - yield crawler.crawl( - seed=Request( - url=self.mockserver.url("/partial", is_secure=self.is_secure), - meta={"download_maxsize": 1000}, + await maybe_deferred_to_future( + crawler.crawl( + seed=Request( + url=self.mockserver.url("/partial", is_secure=self.is_secure), + meta={"download_maxsize": 1000}, + ) ) ) failure = crawler.spider.meta["failure"] assert isinstance(failure.value, defer.CancelledError) - @defer.inlineCallbacks - def test_download(self): + @deferred_f_from_coro_f + async def test_download(self): crawler = get_crawler(SingleRequestSpider, self.settings_dict) - yield crawler.crawl( - seed=Request(url=self.mockserver.url("", is_secure=self.is_secure)) + await maybe_deferred_to_future( + crawler.crawl( + seed=Request(url=self.mockserver.url("", is_secure=self.is_secure)) + ) ) failure = crawler.spider.meta.get("failure") assert failure is None @@ -663,7 +664,6 @@ class TestHttpProxyBase(unittest.TestCase, ABC): self.download_handler = build_from_crawler( self.download_handler_cls, get_crawler() ) - self.download_request = self.download_handler.download_request @defer.inlineCallbacks def tearDown(self): @@ -674,42 +674,44 @@ class TestHttpProxyBase(unittest.TestCase, ABC): def getURL(self, path): return f"http://127.0.0.1:{self.portno}/{path}" - def test_download_with_proxy(self): - def _test(response): - assert response.status == 200 - assert response.url == request.url - assert response.body == self.expected_http_proxy_request_body + async def download_request(self, request: Request, spider: Spider) -> Response: + return await maybe_deferred_to_future( + self.download_handler.download_request(request, spider) + ) + @deferred_f_from_coro_f + async def test_download_with_proxy(self): http_proxy = self.getURL("") request = Request("http://example.com", meta={"proxy": http_proxy}) - return self.download_request(request, Spider("foo")).addCallback(_test) - - def test_download_without_proxy(self): - def _test(response): - assert response.status == 200 - assert response.url == request.url - assert response.body == b"/path/to/resource" + response = await self.download_request(request, Spider("foo")) + assert response.status == 200 + assert response.url == request.url + assert response.body == self.expected_http_proxy_request_body + @deferred_f_from_coro_f + async def test_download_without_proxy(self): request = Request(self.getURL("path/to/resource")) - return self.download_request(request, Spider("foo")).addCallback(_test) + response = await self.download_request(request, Spider("foo")) + assert response.status == 200 + assert response.url == request.url + assert response.body == b"/path/to/resource" - @defer.inlineCallbacks - def test_download_with_proxy_https_timeout(self): + @deferred_f_from_coro_f + async def test_download_with_proxy_https_timeout(self): if NON_EXISTING_RESOLVABLE: pytest.skip("Non-existing hosts are resolvable") http_proxy = self.getURL("") domain = "https://no-such-domain.nosuch" request = Request(domain, meta={"proxy": http_proxy, "download_timeout": 0.2}) - d = self.download_request(request, Spider("foo")) - timeout = yield self.assertFailure(d, error.TimeoutError) - assert domain in timeout.osError - - def test_download_with_proxy_without_http_scheme(self): - def _test(response): - assert response.status == 200 - assert response.url == request.url - assert response.body == self.expected_http_proxy_request_body + with pytest.raises(error.TimeoutError) as exc_info: + await self.download_request(request, Spider("foo")) + assert domain in exc_info.value.osError + @deferred_f_from_coro_f + async def test_download_with_proxy_without_http_scheme(self): http_proxy = self.getURL("").replace("http://", "") request = Request("http://example.com", meta={"proxy": http_proxy}) - return self.download_request(request, Spider("foo")).addCallback(_test) + response = await self.download_request(request, Spider("foo")) + assert response.status == 200 + assert response.url == request.url + assert response.body == self.expected_http_proxy_request_body From 9cc23641ccc988d1f623902397496db5d9fe499b Mon Sep 17 00:00:00 2001 From: Rodrigosnrocha <83819959+Rodrigosnrocha@users.noreply.github.com> Date: Mon, 2 Jun 2025 17:00:17 +0200 Subject: [PATCH 489/786] Deprecate _parse_response and implement parse_with_rules (#6804) --- docs/conf.py | 1 - pyproject.toml | 3 +++ scrapy/spiders/crawl.py | 32 +++++++++++++++++++++++++++--- tests/test_spider.py | 44 +++++++++++++++++++++++++++++++++++++++++ 4 files changed, 76 insertions(+), 4 deletions(-) diff --git a/docs/conf.py b/docs/conf.py index 1167ce050..493a62976 100644 --- a/docs/conf.py +++ b/docs/conf.py @@ -3,7 +3,6 @@ # For the full list of built-in configuration values, see the documentation: # https://www.sphinx-doc.org/en/master/usage/configuration.html -# pylint: disable=import-error import os import sys from collections.abc import Sequence diff --git a/pyproject.toml b/pyproject.toml index 871da8020..02ab7858d 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -161,6 +161,9 @@ extension-pkg-allow-list=[ enable = [ "useless-suppression", ] +# Make INFO checks like useless-suppression also cause pylint to return a +# non-zero exit code. +fail-on = "I" disable = [ # Ones we want to ignore "attribute-defined-outside-init", diff --git a/scrapy/spiders/crawl.py b/scrapy/spiders/crawl.py index 171d8479c..f44f70e40 100644 --- a/scrapy/spiders/crawl.py +++ b/scrapy/spiders/crawl.py @@ -8,6 +8,7 @@ See documentation in docs/topics/spiders.rst from __future__ import annotations import copy +import warnings from collections.abc import AsyncIterator, Awaitable, Callable from typing import TYPE_CHECKING, Any, Optional, TypeVar, cast @@ -18,6 +19,8 @@ from scrapy.link import Link from scrapy.linkextractors import LinkExtractor from scrapy.spiders import Spider from scrapy.utils.asyncgen import collect_asyncgen +from scrapy.utils.deprecate import method_is_overridden +from scrapy.utils.python import global_object_name from scrapy.utils.spider import iterate_spider_output if TYPE_CHECKING: @@ -95,9 +98,17 @@ class CrawlSpider(Spider): def __init__(self, *a: Any, **kw: Any): super().__init__(*a, **kw) self._compile_rules() + if method_is_overridden(self.__class__, CrawlSpider, "_parse_response"): + warnings.warn( + f"The CrawlSpider._parse_response method, which the " + f"{global_object_name(self.__class__)} class overrides, is " + f"deprecated: it will be removed in future Scrapy releases. " + f"Please override the CrawlSpider.parse_with_rules method " + f"instead." + ) def _parse(self, response: Response, **kwargs: Any) -> Any: - return self._parse_response( + return self.parse_with_rules( response=response, callback=self.parse_start_url, cb_kwargs=kwargs, @@ -137,7 +148,7 @@ class CrawlSpider(Spider): def _callback(self, response: Response, **cb_kwargs: Any) -> Any: rule = self._rules[cast(int, response.meta["rule"])] - return self._parse_response( + return self.parse_with_rules( response, cast("CallbackT", rule.callback), {**rule.cb_kwargs, **cb_kwargs}, @@ -150,7 +161,7 @@ class CrawlSpider(Spider): failure, cast(Callable[[Failure], Any], rule.errback) ) - async def _parse_response( + async def parse_with_rules( self, response: Response, callback: CallbackT | None, @@ -171,6 +182,21 @@ class CrawlSpider(Spider): for request_or_item in self._requests_to_follow(response): yield request_or_item + def _parse_response( + self, + response: Response, + callback: CallbackT | None, + cb_kwargs: dict[str, Any], + follow: bool = True, + ) -> AsyncIterator[Any]: + warnings.warn( + "The CrawlSpider._parse_response method is deprecated: " + "it will be removed in future Scrapy releases. " + "Please use the CrawlSpider.parse_with_rules method instead.", + stacklevel=2, + ) + return self.parse_with_rules(response, callback, cb_kwargs, follow) + def _handle_failure( self, failure: Failure, errback: Callable[[Failure], Any] | None ) -> Iterable[Any]: diff --git a/tests/test_spider.py b/tests/test_spider.py index b4aa649a3..4e4a99638 100644 --- a/tests/test_spider.py +++ b/tests/test_spider.py @@ -476,6 +476,50 @@ class TestCrawlSpider(TestSpider): assert "Error while reading start items and requests" in str(log) assert "did you miss an 's'?" in str(log) + def test_parse_response_use(self): + class _CrawlSpider(CrawlSpider): + name = "test" + start_urls = "https://www.example.com" + _follow_links = False + + with warnings.catch_warnings(record=True) as w: + spider = _CrawlSpider() + assert len(w) == 0 + spider._parse_response( + TextResponse(spider.start_urls, body=b""), None, None + ) + assert len(w) == 1 + + def test_parse_response_override(self): + class _CrawlSpider(CrawlSpider): + def _parse_response(self, response, callback, cb_kwargs, follow=True): + pass + + name = "test" + start_urls = "https://www.example.com" + _follow_links = False + + with warnings.catch_warnings(record=True) as w: + assert len(w) == 0 + spider = _CrawlSpider() + assert len(w) == 1 + spider._parse_response( + TextResponse(spider.start_urls, body=b""), None, None + ) + assert len(w) == 1 + + def test_parse_with_rules(self): + class _CrawlSpider(CrawlSpider): + name = "test" + start_urls = "https://www.example.com" + + with warnings.catch_warnings(record=True) as w: + spider = _CrawlSpider() + spider.parse_with_rules( + TextResponse(spider.start_urls, body=b""), None, None + ) + assert len(w) == 0 + class TestSitemapSpider(TestSpider): spider_class = SitemapSpider From d400aa3e2d8c5e3d1a7d8a483fb1a5a6f1c66d50 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Tue, 3 Jun 2025 14:19:15 +0500 Subject: [PATCH 490/786] Add _parallel_asyncio(). (#6852) --- scrapy/core/scraper.py | 30 ++++++++++-- scrapy/utils/asyncio.py | 54 +++++++++++++++++++++ tests/test_utils_asyncio.py | 93 ++++++++++++++++++++++++++++++++++++- tests/test_utils_defer.py | 49 +++++++++++++++++-- 4 files changed, 217 insertions(+), 9 deletions(-) diff --git a/scrapy/core/scraper.py b/scrapy/core/scraper.py index 9fc1d20ed..9fd68bce5 100644 --- a/scrapy/core/scraper.py +++ b/scrapy/core/scraper.py @@ -21,6 +21,7 @@ from scrapy.exceptions import ( ScrapyDeprecationWarning, ) from scrapy.http import Request, Response +from scrapy.utils.asyncio import _parallel_asyncio, is_asyncio_available from scrapy.utils.defer import ( _defer_sleep, aiter_errback, @@ -328,11 +329,21 @@ class Scraper: response: Response, ) -> None: """Pass items/requests produced by a callback to ``_process_spidermw_output()`` in parallel.""" + it: Iterable[_T] | AsyncIterator[_T] + if is_asyncio_available(): + if isinstance(result, AsyncIterator): + it = aiter_errback(result, self.handle_spider_error, request, response) + else: + it = iter_errback(result, self.handle_spider_error, request, response) + await _parallel_asyncio( + it, self.concurrent_items, self._process_spidermw_output_async, response + ) + return if isinstance(result, AsyncIterator): - ait = aiter_errback(result, self.handle_spider_error, request, response) + it = aiter_errback(result, self.handle_spider_error, request, response) await maybe_deferred_to_future( parallel_async( - ait, + it, self.concurrent_items, self._process_spidermw_output, response, @@ -349,8 +360,19 @@ class Scraper: ) ) - @deferred_f_from_coro_f - async def _process_spidermw_output(self, output: Any, response: Response) -> None: + def _process_spidermw_output( + self, output: Any, response: Response + ) -> Deferred[None]: + """Process each Request/Item (given in the output parameter) returned + from the given spider. + + Items are sent to the item pipelines, requests are scheduled. + """ + return deferred_from_coro(self._process_spidermw_output_async(output, response)) + + async def _process_spidermw_output_async( + self, output: Any, response: Response + ) -> None: """Process each Request/Item (given in the output parameter) returned from the given spider. diff --git a/scrapy/utils/asyncio.py b/scrapy/utils/asyncio.py index 4469369fa..a3f27bcc9 100644 --- a/scrapy/utils/asyncio.py +++ b/scrapy/utils/asyncio.py @@ -1,7 +1,23 @@ """Utilities related to asyncio and its support in Scrapy.""" +from __future__ import annotations + +import asyncio +from typing import TYPE_CHECKING, Any, TypeVar + +from scrapy.utils.asyncgen import as_async_generator from scrapy.utils.reactor import is_asyncio_reactor_installed, is_reactor_installed +if TYPE_CHECKING: + from collections.abc import AsyncIterator, Callable, Coroutine, Iterable + + # typing.Concatenate and typing.ParamSpec require Python 3.10 + from typing_extensions import Concatenate, ParamSpec + + _P = ParamSpec("_P") + +_T = TypeVar("_T") + def is_asyncio_available() -> bool: """Check if it's possible to call asyncio code that relies on the asyncio event loop. @@ -36,3 +52,41 @@ def is_asyncio_available() -> bool: ) return is_asyncio_reactor_installed() + + +async def _parallel_asyncio( + iterable: Iterable[_T] | AsyncIterator[_T], + count: int, + callable: Callable[Concatenate[_T, _P], Coroutine[Any, Any, None]], + *args: _P.args, + **kwargs: _P.kwargs, +) -> None: + """Execute a callable over the objects in the given iterable, in parallel, + using no more than ``count`` concurrent calls. + + This function is only used in + :meth:`scrapy.core.scraper.Scraper.handle_spider_output_async` and so it + assumes that neither *callable* nor iterating *iterable* will raise an + exception. + """ + queue: asyncio.Queue[_T | None] = asyncio.Queue() + + async def worker() -> None: + while True: + item = await queue.get() + if item is None: + break + try: + await callable(item, *args, **kwargs) + finally: + queue.task_done() + + async def fill_queue() -> None: + async for item in as_async_generator(iterable): + await queue.put(item) + for _ in range(count): + await queue.put(None) + + fill_task = asyncio.create_task(fill_queue()) + work_tasks = [asyncio.create_task(worker()) for _ in range(count)] + await asyncio.wait([fill_task, *work_tasks]) diff --git a/tests/test_utils_asyncio.py b/tests/test_utils_asyncio.py index fe44748f9..6c47965a3 100644 --- a/tests/test_utils_asyncio.py +++ b/tests/test_utils_asyncio.py @@ -1,6 +1,18 @@ -import pytest +from __future__ import annotations -from scrapy.utils.asyncio import is_asyncio_available +import asyncio +import random +from typing import TYPE_CHECKING + +import pytest +from twisted.trial import unittest + +from scrapy.utils.asyncgen import as_async_generator +from scrapy.utils.asyncio import _parallel_asyncio, is_asyncio_available +from scrapy.utils.defer import deferred_f_from_coro_f + +if TYPE_CHECKING: + from collections.abc import AsyncGenerator @pytest.mark.usefixtures("reactor_pytest") @@ -8,3 +20,80 @@ class TestAsyncio: def test_is_asyncio_available(self): # the result should depend only on the pytest --reactor argument assert is_asyncio_available() == (self.reactor_pytest != "default") + + +@pytest.mark.only_asyncio +class TestParallelAsyncio(unittest.TestCase): + """Test for scrapy.utils.asyncio.parallel_asyncio(), based on tests.test_utils_defer.TestParallelAsync.""" + + CONCURRENT_ITEMS = 50 + + @staticmethod + async def callable(o: int, results: list[int]) -> None: + if random.random() < 0.4: + # simulate async processing + await asyncio.sleep(random.random() / 8) + # simulate trivial sync processing + results.append(o) + + async def callable_wrapped( + self, + o: int, + results: list[int], + parallel_count: list[int], + max_parallel_count: list[int], + ) -> None: + parallel_count[0] += 1 + max_parallel_count[0] = max(max_parallel_count[0], parallel_count[0]) + await self.callable(o, results) + assert parallel_count[0] > 0, parallel_count[0] + parallel_count[0] -= 1 + + @staticmethod + def get_async_iterable(length: int) -> AsyncGenerator[int, None]: + # simulate a simple callback without delays between results + return as_async_generator(range(length)) + + @staticmethod + async def get_async_iterable_with_delays(length: int) -> AsyncGenerator[int, None]: + # simulate a callback with delays between some of the results + for i in range(length): + if random.random() < 0.1: + await asyncio.sleep(random.random() / 20) + yield i + + @deferred_f_from_coro_f + async def test_simple(self): + for length in [20, 50, 100]: + parallel_count = [0] + max_parallel_count = [0] + results = [] + ait = self.get_async_iterable(length) + await _parallel_asyncio( + ait, + self.CONCURRENT_ITEMS, + self.callable_wrapped, + results, + parallel_count, + max_parallel_count, + ) + assert list(range(length)) == sorted(results) + assert max_parallel_count[0] <= self.CONCURRENT_ITEMS + + @deferred_f_from_coro_f + async def test_delays(self): + for length in [20, 50, 100]: + parallel_count = [0] + max_parallel_count = [0] + results = [] + ait = self.get_async_iterable_with_delays(length) + await _parallel_asyncio( + ait, + self.CONCURRENT_ITEMS, + self.callable_wrapped, + results, + parallel_count, + max_parallel_count, + ) + assert list(range(length)) == sorted(results) + assert max_parallel_count[0] <= self.CONCURRENT_ITEMS diff --git a/tests/test_utils_defer.py b/tests/test_utils_defer.py index c565c1c4e..98962f74c 100644 --- a/tests/test_utils_defer.py +++ b/tests/test_utils_defer.py @@ -164,7 +164,7 @@ class TestAsyncDefTestsuite(unittest.TestCase): raise RuntimeError("This is expected to be raised") -class TestAsyncCooperator(unittest.TestCase): +class TestParallelAsync(unittest.TestCase): """This tests _AsyncCooperatorAdapter by testing parallel_async which is its only usage. parallel_async is called with the results of a callback (so an iterable of items, requests and None, @@ -194,6 +194,27 @@ class TestAsyncCooperator(unittest.TestCase): results.append(o) return None + def callable_wrapped( + self, + o: int, + results: list[int], + parallel_count: list[int], + max_parallel_count: list[int], + ) -> Deferred[None] | None: + parallel_count[0] += 1 + max_parallel_count[0] = max(max_parallel_count[0], parallel_count[0]) + dfd = self.callable(o, results) + + def decrement(_: Any = None) -> None: + assert parallel_count[0] > 0, parallel_count[0] + parallel_count[0] -= 1 + + if dfd is not None: + dfd.addBoth(decrement) + else: + decrement() + return dfd + @staticmethod def get_async_iterable(length: int) -> AsyncGenerator[int, None]: # simulate a simple callback without delays between results @@ -215,20 +236,42 @@ class TestAsyncCooperator(unittest.TestCase): @inlineCallbacks def test_simple(self): for length in [20, 50, 100]: + parallel_count = [0] + max_parallel_count = [0] results = [] ait = self.get_async_iterable(length) - dl = parallel_async(ait, self.CONCURRENT_ITEMS, self.callable, results) + dl = parallel_async( + ait, + self.CONCURRENT_ITEMS, + self.callable_wrapped, + results, + parallel_count, + max_parallel_count, + ) yield dl assert list(range(length)) == sorted(results) + assert parallel_count[0] == 0 + assert max_parallel_count[0] <= self.CONCURRENT_ITEMS, max_parallel_count[0] @inlineCallbacks def test_delays(self): for length in [20, 50, 100]: + parallel_count = [0] + max_parallel_count = [0] results = [] ait = self.get_async_iterable_with_delays(length) - dl = parallel_async(ait, self.CONCURRENT_ITEMS, self.callable, results) + dl = parallel_async( + ait, + self.CONCURRENT_ITEMS, + self.callable_wrapped, + results, + parallel_count, + max_parallel_count, + ) yield dl assert list(range(length)) == sorted(results) + assert parallel_count[0] == 0 + assert max_parallel_count[0] <= self.CONCURRENT_ITEMS, max_parallel_count[0] class TestDeferredFromCoro(unittest.TestCase): From 3aa5e757871c6288f0a1e7031ad74b48d6321f5c Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Tue, 3 Jun 2025 17:47:52 +0500 Subject: [PATCH 491/786] Use AsyncCrawlerProcess in commands. (#6845) * Use AsyncCrawlerProcess in commands. * Ignore coverage of abstract methods. * Address feedback. --- docs/news.rst | 12 ++ docs/topics/commands.rst | 38 +++++ docs/topics/settings.rst | 20 +++ pyproject.toml | 6 +- scrapy/cmdline.py | 10 +- scrapy/commands/__init__.py | 4 +- scrapy/commands/crawl.py | 20 +-- scrapy/commands/fetch.py | 2 - scrapy/commands/genspider.py | 1 - scrapy/commands/runspider.py | 1 - scrapy/commands/settings.py | 1 - scrapy/commands/shell.py | 1 - scrapy/commands/startproject.py | 1 - scrapy/crawler.py | 21 ++- scrapy/settings/default_settings.py | 2 + tests/test_command_crawl.py | 25 ++++ tests/test_command_runspider.py | 17 ++- tests/test_command_shell.py | 4 +- tests/test_commands.py | 216 ++++++++++++++++++++++++++++ tests/test_utils_defer.py | 6 +- 20 files changed, 370 insertions(+), 38 deletions(-) diff --git a/docs/news.rst b/docs/news.rst index ef3b549e7..d3e6c6774 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -3,6 +3,18 @@ Release notes ============= +Scrapy VERSION (unreleased) +--------------------------- + +Backward-incompatible changes +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +- If you set the :setting:`TWISTED_REACTOR` setting to a :ref:`non-asyncio + value ` at the :ref:`spider level `, you + may now need to set the :setting:`FORCE_CRAWLER_PROCESS` setting to + ``True`` when running Scrapy via :ref:`its command-line tool + ` to avoid a reactor mismatch exception. + .. _release-2.13.1: Scrapy 2.13.1 (2025-05-28) diff --git a/docs/topics/commands.rst b/docs/topics/commands.rst index 6ffb8ae93..4994fe1d6 100644 --- a/docs/topics/commands.rst +++ b/docs/topics/commands.rst @@ -587,6 +587,44 @@ bench Run a quick benchmark test. :ref:`benchmarking`. +.. _topics-commands-crawlerprocess: + +Commands that run a crawl +========================= + +Many commands need to run a crawl of some kind, running either a user-provided +spider or a special internal one: + +* :command:`bench` +* :command:`check` +* :command:`crawl` +* :command:`fetch` +* :command:`parse` +* :command:`runspider` +* :command:`shell` +* :command:`view` + +They use an internal instance of :class:`scrapy.crawler.AsyncCrawlerProcess` or +:class:`scrapy.crawler.CrawlerProcess` for this. In most cases this detail +shouldn't matter to the user running the command, but when the user :ref:`needs +a non-default Twisted reactor `, it may be important. + +Scrapy decides which of these two classes to use based on the value of the +:setting:`TWISTED_REACTOR` setting. If the setting value is the default one +(``'twisted.internet.asyncioreactor.AsyncioSelectorReactor'``), +:class:`~scrapy.crawler.AsyncCrawlerProcess` will be used, otherwise +:class:`~scrapy.crawler.CrawlerProcess` will be used. The :ref:`spider settings +` are not taken into account when doing this, as they are +loaded after this decision is made. This may cause an error if the +project-level setting is set to :ref:`the asyncio reactor ` +(:ref:`explicitly ` or :ref:`by using the Scrapy default +`) and :ref:`the setting of the spider being run +` is set to :ref:`a different one `, because +:class:`~scrapy.crawler.AsyncCrawlerProcess` only supports the asyncio reactor. +In this case you should set the :setting:`FORCE_CRAWLER_PROCESS` setting to +``True`` (at the project level or via the command line) so that Scrapy uses +:class:`~scrapy.crawler.CrawlerProcess` which supports all reactors. + Custom project commands ======================= diff --git a/docs/topics/settings.rst b/docs/topics/settings.rst index 65f2e5ebd..2a1be5f88 100644 --- a/docs/topics/settings.rst +++ b/docs/topics/settings.rst @@ -1263,6 +1263,26 @@ FEED_STORAGE_GCS_ACL The Access Control List (ACL) used when storing items to :ref:`Google Cloud Storage `. For more information on how to set this value, please refer to the column *JSON API* in `Google Cloud documentation `_. +.. setting:: FORCE_CRAWLER_PROCESS + +FORCE_CRAWLER_PROCESS +--------------------- + +Default: ``False`` + +If ``False``, :ref:`Scrapy commands that need a CrawlerProcess +` will decide between using +:class:`scrapy.crawler.AsyncCrawlerProcess` and +:class:`scrapy.crawler.CrawlerProcess` based on the value of the +:setting:`TWISTED_REACTOR` setting, but ignoring its value in :ref:`per-spider +settings `. + +If ``True``, these commands will always use +:class:`~scrapy.crawler.CrawlerProcess`. + +Set this to ``True`` if you want to set :setting:`TWISTED_REACTOR` to a +non-default value in :ref:`per-spider settings `. + .. setting:: FTP_PASSIVE_MODE FTP_PASSIVE_MODE diff --git a/pyproject.toml b/pyproject.toml index 02ab7858d..8ec0c1056 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -147,8 +147,10 @@ source = [ ] [tool.coverage.report] -# https://github.com/nedbat/coveragepy/issues/831#issuecomment-517778185 -exclude_lines = ["pragma: no cover", "if TYPE_CHECKING:"] +exclude_also = [ + "if TYPE_CHECKING:", + "@(abc\\.)?abstractmethod", +] [tool.pylint.MASTER] persistent = "no" diff --git a/scrapy/cmdline.py b/scrapy/cmdline.py index 81e507a4e..3d448532b 100644 --- a/scrapy/cmdline.py +++ b/scrapy/cmdline.py @@ -10,11 +10,12 @@ from typing import TYPE_CHECKING import scrapy from scrapy.commands import BaseRunSpiderCommand, ScrapyCommand, ScrapyHelpFormatter -from scrapy.crawler import CrawlerProcess +from scrapy.crawler import AsyncCrawlerProcess, CrawlerProcess from scrapy.exceptions import UsageError from scrapy.utils.misc import walk_modules from scrapy.utils.project import get_project_settings, inside_project from scrapy.utils.python import garbage_collect +from scrapy.utils.reactor import _asyncio_reactor_path if TYPE_CHECKING: from collections.abc import Callable, Iterable @@ -202,7 +203,12 @@ def execute(argv: list[str] | None = None, settings: Settings | None = None) -> _run_print_help(parser, cmd.process_options, args, opts) if cmd.requires_crawler_process: - cmd.crawler_process = CrawlerProcess(settings) + if settings[ + "TWISTED_REACTOR" + ] == _asyncio_reactor_path and not settings.getbool("FORCE_CRAWLER_PROCESS"): + cmd.crawler_process = AsyncCrawlerProcess(settings) + else: + cmd.crawler_process = CrawlerProcess(settings) _run_print_help(parser, _run_command, cmd, args, opts) sys.exit(cmd.exitcode) diff --git a/scrapy/commands/__init__.py b/scrapy/commands/__init__.py index 2818ead77..4ce070e6e 100644 --- a/scrapy/commands/__init__.py +++ b/scrapy/commands/__init__.py @@ -18,14 +18,14 @@ from scrapy.utils.conf import arglist_to_dict, feed_process_params_from_cli if TYPE_CHECKING: from collections.abc import Iterable - from scrapy.crawler import Crawler, CrawlerProcess + from scrapy.crawler import Crawler, CrawlerProcessBase from scrapy.settings import Settings class ScrapyCommand: requires_project: bool = False requires_crawler_process: bool = True - crawler_process: CrawlerProcess | None = None # set in scrapy.cmdline + crawler_process: CrawlerProcessBase | None = None # set in scrapy.cmdline # default settings to be used for this command instead of global defaults default_settings: dict[str, Any] = {} diff --git a/scrapy/commands/crawl.py b/scrapy/commands/crawl.py index 184bd5ca4..866ba9f6b 100644 --- a/scrapy/commands/crawl.py +++ b/scrapy/commands/crawl.py @@ -1,8 +1,6 @@ from __future__ import annotations -from typing import TYPE_CHECKING, cast - -from twisted.python.failure import Failure +from typing import TYPE_CHECKING from scrapy.commands import BaseRunSpiderCommand from scrapy.exceptions import UsageError @@ -30,17 +28,7 @@ class Command(BaseRunSpiderCommand): spname = args[0] assert self.crawler_process - crawl_defer = self.crawler_process.crawl(spname, **opts.spargs) - - if getattr(crawl_defer, "result", None) is not None and issubclass( - cast(Failure, crawl_defer.result).type, Exception - ): + self.crawler_process.crawl(spname, **opts.spargs) + self.crawler_process.start() + if self.crawler_process.bootstrap_failed: self.exitcode = 1 - else: - self.crawler_process.start() - - if self.crawler_process.bootstrap_failed or ( - hasattr(self.crawler_process, "has_exception") - and self.crawler_process.has_exception - ): - self.exitcode = 1 diff --git a/scrapy/commands/fetch.py b/scrapy/commands/fetch.py index ef6e13de2..e5eedffb5 100644 --- a/scrapy/commands/fetch.py +++ b/scrapy/commands/fetch.py @@ -18,8 +18,6 @@ if TYPE_CHECKING: class Command(ScrapyCommand): - requires_project = False - def syntax(self) -> str: return "[options] " diff --git a/scrapy/commands/genspider.py b/scrapy/commands/genspider.py index c4abfc4c9..0e90c3188 100644 --- a/scrapy/commands/genspider.py +++ b/scrapy/commands/genspider.py @@ -46,7 +46,6 @@ def verify_url_scheme(url: str) -> str: class Command(ScrapyCommand): - requires_project = False requires_crawler_process = False default_settings = {"LOG_ENABLED": False} diff --git a/scrapy/commands/runspider.py b/scrapy/commands/runspider.py index 3e826456e..eeb1303e2 100644 --- a/scrapy/commands/runspider.py +++ b/scrapy/commands/runspider.py @@ -30,7 +30,6 @@ def _import_file(filepath: str | PathLike[str]) -> ModuleType: class Command(BaseRunSpiderCommand): - requires_project = False default_settings = {"SPIDER_LOADER_CLASS": DummySpiderLoader} def syntax(self) -> str: diff --git a/scrapy/commands/settings.py b/scrapy/commands/settings.py index e63031f2d..704cc500d 100644 --- a/scrapy/commands/settings.py +++ b/scrapy/commands/settings.py @@ -6,7 +6,6 @@ from scrapy.settings import BaseSettings class Command(ScrapyCommand): - requires_project = False requires_crawler_process = False default_settings = {"LOG_ENABLED": False} diff --git a/scrapy/commands/shell.py b/scrapy/commands/shell.py index 9dabfcd9c..eedaeb263 100644 --- a/scrapy/commands/shell.py +++ b/scrapy/commands/shell.py @@ -22,7 +22,6 @@ if TYPE_CHECKING: class Command(ScrapyCommand): - requires_project = False default_settings = { "DUPEFILTER_CLASS": "scrapy.dupefilters.BaseDupeFilter", "KEEP_ALIVE": True, diff --git a/scrapy/commands/startproject.py b/scrapy/commands/startproject.py index 323979193..8f4427580 100644 --- a/scrapy/commands/startproject.py +++ b/scrapy/commands/startproject.py @@ -33,7 +33,6 @@ def _make_writable(path: Path) -> None: class Command(ScrapyCommand): - requires_project = False requires_crawler_process = False default_settings = {"LOG_ENABLED": False} diff --git a/scrapy/crawler.py b/scrapy/crawler.py index 8e3223a5c..d6fb9972e 100644 --- a/scrapy/crawler.py +++ b/scrapy/crawler.py @@ -5,6 +5,7 @@ import contextlib import logging import pprint import signal +from abc import ABC, abstractmethod from typing import TYPE_CHECKING, Any, TypeVar from twisted.internet.defer import ( @@ -42,7 +43,7 @@ from scrapy.utils.reactor import ( ) if TYPE_CHECKING: - from collections.abc import Generator, Iterable + from collections.abc import Awaitable, Generator, Iterable from scrapy.logformatter import LogFormatter from scrapy.statscollectors import StatsCollector @@ -321,7 +322,7 @@ class Crawler: return self._get_component(cls, self.engine.scraper.spidermw.middlewares) -class CrawlerRunnerBase: +class CrawlerRunnerBase(ABC): def __init__(self, settings: dict[str, Any] | Settings | None = None): if isinstance(settings, dict) or settings is None: settings = Settings(settings) @@ -364,6 +365,15 @@ class CrawlerRunnerBase: spidercls = self.spider_loader.load(spidercls) return Crawler(spidercls, self.settings) + @abstractmethod + def crawl( + self, + crawler_or_spidercls: type[Spider] | str | Crawler, + *args: Any, + **kwargs: Any, + ) -> Awaitable[None]: + raise NotImplementedError + class CrawlerRunner(CrawlerRunnerBase): """ @@ -560,6 +570,12 @@ class CrawlerProcessBase(CrawlerRunnerBase): configure_logging(self.settings, install_root_handler) log_scrapy_info(self.settings) + @abstractmethod + def start( + self, stop_after_crawl: bool = True, install_signal_handlers: bool = True + ) -> None: + raise NotImplementedError + def _signal_shutdown(self, signum: int, _: Any) -> None: from twisted.internet import reactor @@ -597,6 +613,7 @@ class CrawlerProcessBase(CrawlerRunnerBase): "after", "startup", install_shutdown_handlers, self._signal_shutdown ) + @abstractmethod def _stop_dfd(self) -> Deferred[Any]: raise NotImplementedError diff --git a/scrapy/settings/default_settings.py b/scrapy/settings/default_settings.py index 01443fa17..4a27017a6 100644 --- a/scrapy/settings/default_settings.py +++ b/scrapy/settings/default_settings.py @@ -179,6 +179,8 @@ FEED_STORAGE_S3_ACL = "" FILES_STORE_S3_ACL = "private" FILES_STORE_GCS_ACL = "" +FORCE_CRAWLER_PROCESS = False + FTP_USER = "anonymous" FTP_PASSWORD = "guest" # noqa: S105 FTP_PASSIVE_MODE = True diff --git a/tests/test_command_crawl.py b/tests/test_command_crawl.py index 3d5e17977..0ab0659b2 100644 --- a/tests/test_command_crawl.py +++ b/tests/test_command_crawl.py @@ -30,6 +30,11 @@ class MySpider(scrapy.Spider): """ log = self.get_log(spider_code) assert "[myspider] DEBUG: It works!" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + in log + ) + assert "Spider closed (finished)" in log def test_output(self): spider_code = """ @@ -91,3 +96,23 @@ class MySpider(scrapy.Spider): assert ( "error: Please use only one of -o/--output and -O/--overwrite-output" in log ) + + def test_default_reactor(self): + spider_code = """ +import scrapy + +class MySpider(scrapy.Spider): + name = 'myspider' + + async def start(self): + self.logger.debug('It works!') + return + yield +""" + log = self.get_log(spider_code, args=("-s", "TWISTED_REACTOR=")) + assert "[myspider] DEBUG: It works!" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + not in log + ) + assert "Spider closed (finished)" in log diff --git a/tests/test_command_runspider.py b/tests/test_command_runspider.py index 664de16f8..c57c09249 100644 --- a/tests/test_command_runspider.py +++ b/tests/test_command_runspider.py @@ -65,8 +65,10 @@ class BadSpider(scrapy.Spider): def test_runspider(self): log = self.get_log(self.debug_log_spider) assert "DEBUG: It Works!" in log - assert "INFO: Spider opened" in log - assert "INFO: Closing spider (finished)" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + in log + ) assert "INFO: Spider closed (finished)" in log def test_run_fail_spider(self): @@ -88,6 +90,17 @@ class BadSpider(scrapy.Spider): assert "DEBUG: It Works!" not in log assert "INFO: Spider opened" in log + def test_runspider_default_reactor(self): + log = self.get_log(self.debug_log_spider, args=("-s", "TWISTED_REACTOR=")) + assert "DEBUG: It Works!" in log + assert ( + "Using reactor: twisted.internet.asyncioreactor.AsyncioSelectorReactor" + not in log + ) + assert "INFO: Spider opened" in log + assert "INFO: Closing spider (finished)" in log + assert "INFO: Spider closed (finished)" in log + def test_runspider_dnscache_disabled(self): # see https://github.com/scrapy/scrapy/issues/2811 # The spider below should not be able to connect to localhost:12345, diff --git a/tests/test_command_shell.py b/tests/test_command_shell.py index 0f45a7ee8..8041e7cb1 100644 --- a/tests/test_command_shell.py +++ b/tests/test_command_shell.py @@ -7,6 +7,7 @@ from pexpect.popen_spawn import PopenSpawn from twisted.internet import defer from twisted.trial import unittest +from scrapy.utils.reactor import _asyncio_reactor_path from tests import NON_EXISTING_RESOLVABLE, tests_datadir from tests.mockserver import MockServer from tests.utils.testproc import ProcessTest @@ -132,10 +133,9 @@ class TestShellCommand(ProcessTest, SiteTest, unittest.TestCase): @defer.inlineCallbacks def test_shell_fetch_async(self): - reactor_path = "twisted.internet.asyncioreactor.AsyncioSelectorReactor" url = self.url("/html") code = f"fetch('{url}')" - args = ["-c", code, "--set", f"TWISTED_REACTOR={reactor_path}"] + args = ["-c", code, "--set", f"TWISTED_REACTOR={_asyncio_reactor_path}"] _, _, err = yield self.execute(args, check_code=True) assert b"RuntimeError: There is no current event loop in thread" not in err diff --git a/tests/test_commands.py b/tests/test_commands.py index 6e59f561d..8ca5d51e5 100644 --- a/tests/test_commands.py +++ b/tests/test_commands.py @@ -20,6 +20,7 @@ from scrapy.cmdline import _pop_command_name, _print_unknown_command_msg from scrapy.commands import ScrapyCommand, ScrapyHelpFormatter, view from scrapy.settings import Settings from scrapy.utils.python import to_unicode +from scrapy.utils.reactor import _asyncio_reactor_path from scrapy.utils.test import get_testenv if TYPE_CHECKING: @@ -124,6 +125,221 @@ class TestCommandBase(TestProjectBase): self.env["SCRAPY_SETTINGS_MODULE"] = f"{self.project_name}.settings" +class TestCommandCrawlerProcess(TestCommandBase): + """Test that the command uses the expected kind of *CrawlerProcess + and produces expected errors when needed.""" + + name = "crawltest" + + NORMAL_MSG = "Type of self.crawler_process: " + ASYNC_MSG = ( + "Type of self.crawler_process: " + ) + + def setUp(self): + super().setUp() + (self.cwd / self.project_name / "commands").mkdir(exist_ok=True) + (self.cwd / self.project_name / "commands" / "__init__.py").touch() + (self.cwd / self.project_name / "commands" / f"{self.name}.py").write_text(""" +from scrapy.commands.crawl import Command + +class CrawlerProcessCrawlCommand(Command): + requires_project = True + + def run(self, args, opts): + print(f"Type of self.crawler_process: {type(self.crawler_process)}") + super().run(args, opts) +""") + + self._append_settings(f"COMMANDS_MODULE = '{self.project_name}.commands'\n") + + (self.cwd / self.project_name / "spiders" / "sp.py").write_text(""" +import scrapy + +class MySpider(scrapy.Spider): + name = 'sp' + + custom_settings = {} + + async def start(self): + self.logger.debug('It works!') + return + yield +""") + + (self.cwd / self.project_name / "spiders" / "aiosp.py").write_text(""" +import asyncio + +import scrapy + +class MySpider(scrapy.Spider): + name = 'aiosp' + + custom_settings = {} + + async def start(self): + await asyncio.sleep(0.01) + self.logger.debug('It works!') + return + yield +""") + + def _append_settings(self, text: str) -> None: + """Add text to the end of the project settings.py.""" + with (self.cwd / self.project_name / "settings.py").open( + "a", encoding="utf-8" + ) as f: + f.write(text) + + def _replace_custom_settings(self, spider_name: str, text: str) -> None: + """Replace custom_settings in the given spider file with the given text.""" + spider_path = self.cwd / self.project_name / "spiders" / f"{spider_name}.py" + with spider_path.open("r+", encoding="utf-8") as f: + content = f.read() + content = content.replace( + "custom_settings = {}", f"custom_settings = {text}" + ) + f.seek(0) + f.write(content) + f.truncate() + + def _assert_spider_works(self, msg: str, *args: str) -> None: + """The command uses the expected *CrawlerProcess, the spider works.""" + _, out, err = self.proc(self.name, *args) + assert msg in out, out + assert "It works!" in err, err + assert "Spider closed (finished)" in err, err + + def _assert_spider_asyncio_fail(self, msg: str, *args: str) -> None: + """The command uses the expected *CrawlerProcess, the spider fails to use asyncio.""" + _, out, err = self.proc(self.name, *args) + assert msg in out, out + assert "no running event loop" in err, err + + def test_project_settings(self): + """The reactor is set via the project default settings (to the asyncio value). + + AsyncCrawlerProcess, the asyncio reactor, both spiders work.""" + for spider in ["sp", "aiosp"]: + self._assert_spider_works(self.ASYNC_MSG, spider) + + def test_cmdline_asyncio(self): + """The reactor is set via the command line to the asyncio value. + AsyncCrawlerProcess, the asyncio reactor, both spiders work.""" + for spider in ["sp", "aiosp"]: + self._assert_spider_works( + self.ASYNC_MSG, spider, "-s", f"TWISTED_REACTOR={_asyncio_reactor_path}" + ) + + def test_project_settings_explicit_asyncio(self): + """The reactor explicitly is set via the project settings to the asyncio value. + + AsyncCrawlerProcess, the asyncio reactor, both spiders work.""" + self._append_settings(f"TWISTED_REACTOR = '{_asyncio_reactor_path}'\n") + + for spider in ["sp", "aiosp"]: + self._assert_spider_works(self.ASYNC_MSG, spider) + + def test_cmdline_empty(self): + """The reactor is set via the command line to the empty value. + + CrawlerProcess, the default reactor, only the normal spider works.""" + self._assert_spider_works(self.NORMAL_MSG, "sp", "-s", "TWISTED_REACTOR=") + self._assert_spider_asyncio_fail( + self.NORMAL_MSG, "aiosp", "-s", "TWISTED_REACTOR=" + ) + + def test_project_settings_empty(self): + """The reactor is set via the project settings to the empty value. + + CrawlerProcess, the default reactor, only the normal spider works.""" + self._append_settings("TWISTED_REACTOR = None\n") + + self._assert_spider_works(self.NORMAL_MSG, "sp") + self._assert_spider_asyncio_fail( + self.NORMAL_MSG, "aiosp", "-s", "TWISTED_REACTOR=" + ) + + def test_spider_settings_asyncio(self): + """The reactor is set via the spider settings to the asyncio value. + + AsyncCrawlerProcess, the asyncio reactor, both spiders work.""" + for spider in ["sp", "aiosp"]: + self._replace_custom_settings( + spider, f"{{'TWISTED_REACTOR': '{_asyncio_reactor_path}'}}" + ) + self._assert_spider_works(self.ASYNC_MSG, spider) + + def test_spider_settings_asyncio_cmdline_empty(self): + """The reactor is set via the spider settings to the asyncio value + and via command line to the empty value. The command line value takes + precedence so the spider settings don't matter. + + CrawlerProcess, the default reactor, only the normal spider works.""" + for spider in ["sp", "aiosp"]: + self._replace_custom_settings( + spider, f"{{'TWISTED_REACTOR': '{_asyncio_reactor_path}'}}" + ) + + self._assert_spider_works(self.NORMAL_MSG, "sp", "-s", "TWISTED_REACTOR=") + self._assert_spider_asyncio_fail( + self.NORMAL_MSG, "aiosp", "-s", "TWISTED_REACTOR=" + ) + + def test_project_empty_spider_settings_asyncio(self): + """The reactor is set via the project settings to the empty value + and via the spider settings to the asyncio value. CrawlerProcess is + chosen based on the project settings, but the asyncio reactor is chosen + based on the spider settings. + + CrawlerProcess, the asyncio reactor, both spiders work.""" + self._append_settings("TWISTED_REACTOR = None\n") + for spider in ["sp", "aiosp"]: + self._replace_custom_settings( + spider, f"{{'TWISTED_REACTOR': '{_asyncio_reactor_path}'}}" + ) + self._assert_spider_works(self.NORMAL_MSG, spider) + + def test_project_asyncio_spider_settings_select(self): + """The reactor is set via the project settings to the asyncio value + and via the spider settings to the select value. AsyncCrawlerProcess + is chosen based on the project settings, and the conflicting reactor + setting in the spider settings causes an exception. + + AsyncCrawlerProcess, the asyncio reactor, both spiders produce a + mismatched reactor exception.""" + self._append_settings(f"TWISTED_REACTOR = '{_asyncio_reactor_path}'\n") + for spider in ["sp", "aiosp"]: + self._replace_custom_settings( + spider, + "{'TWISTED_REACTOR': 'twisted.internet.selectreactor.SelectReactor'}", + ) + _, out, err = self.proc(self.name, spider) + assert self.ASYNC_MSG in out, out + assert ( + "The installed reactor (twisted.internet.asyncioreactor.AsyncioSelectorReactor)" + " does not match the requested one" + " (twisted.internet.selectreactor.SelectReactor)" + ) in err, err + + def test_project_asyncio_spider_settings_select_forced(self): + """The reactor is set via the project settings to the asyncio value + and via the spider settings to the select value, CrawlerProcess is + forced via the project settings. The reactor is chosen based on the + spider settings. + + CrawlerProcess, the select reactor, only the normal spider works.""" + self._append_settings("FORCE_CRAWLER_PROCESS = True\n") + for spider in ["sp", "aiosp"]: + self._replace_custom_settings( + spider, + "{'TWISTED_REACTOR': 'twisted.internet.selectreactor.SelectReactor'}", + ) + + self._assert_spider_works(self.NORMAL_MSG, "sp") + self._assert_spider_asyncio_fail(self.NORMAL_MSG, "aiosp") + + class TestMiscCommands(TestCommandBase): def test_list(self): assert self.call("list") == 0 diff --git a/tests/test_utils_defer.py b/tests/test_utils_defer.py index 98962f74c..372213319 100644 --- a/tests/test_utils_defer.py +++ b/tests/test_utils_defer.py @@ -299,7 +299,7 @@ class TestDeferredFromCoro(unittest.TestCase): @inlineCallbacks def test_coroutine_asyncio(self): async def coroutine() -> int: - await asyncio.sleep(0) + await asyncio.sleep(0.01) return 42 result = deferred_from_coro(coroutine()) @@ -379,7 +379,7 @@ class TestDeferredToFuture(unittest.TestCase): @deferred_f_from_coro_f async def test_wrapped_coroutine_asyncio(self): async def c_f() -> int: - await asyncio.sleep(0) + await asyncio.sleep(0.01) return 42 d = deferred_from_coro(c_f()) @@ -414,7 +414,7 @@ class TestMaybeDeferredToFutureAsyncio(unittest.TestCase): @deferred_f_from_coro_f async def test_wrapped_coroutine_asyncio(self): async def c_f() -> int: - await asyncio.sleep(0) + await asyncio.sleep(0.01) return 42 d = deferred_from_coro(c_f()) From 8fb8d2c6b8a83181ef6564fbc9afa9cfeea2bd05 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Tue, 3 Jun 2025 23:21:33 +0500 Subject: [PATCH 492/786] Add AsyncioLoopingCall. (#6855) --- scrapy/core/downloader/__init__.py | 8 ++- scrapy/core/engine.py | 11 ++- scrapy/extensions/closespider.py | 5 +- scrapy/extensions/logstats.py | 12 ++-- scrapy/extensions/memusage.py | 16 +++-- scrapy/extensions/periodic_log.py | 14 ++-- scrapy/utils/asyncio.py | 106 ++++++++++++++++++++++++++++- tests/test_utils_asyncio.py | 48 ++++++++++++- 8 files changed, 195 insertions(+), 25 deletions(-) diff --git a/scrapy/core/downloader/__init__.py b/scrapy/core/downloader/__init__.py index 5468398aa..501c669ce 100644 --- a/scrapy/core/downloader/__init__.py +++ b/scrapy/core/downloader/__init__.py @@ -7,7 +7,6 @@ from datetime import datetime from time import time from typing import TYPE_CHECKING, Any, cast -from twisted.internet import task from twisted.internet.defer import Deferred, inlineCallbacks from scrapy import Request, Spider, signals @@ -15,6 +14,7 @@ from scrapy.core.downloader.handlers import DownloadHandlers from scrapy.core.downloader.middleware import DownloaderMiddlewareManager from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.resolver import dnscache +from scrapy.utils.asyncio import AsyncioLoopingCall, create_looping_call from scrapy.utils.defer import ( deferred_from_coro, maybe_deferred_to_future, @@ -25,6 +25,8 @@ from scrapy.utils.httpobj import urlparse_cached if TYPE_CHECKING: from collections.abc import Generator + from twisted.internet.task import LoopingCall + from scrapy.crawler import Crawler from scrapy.http import Response from scrapy.settings import BaseSettings @@ -111,7 +113,9 @@ class Downloader: self.middleware: DownloaderMiddlewareManager = ( DownloaderMiddlewareManager.from_crawler(crawler) ) - self._slot_gc_loop: task.LoopingCall = task.LoopingCall(self._slot_gc) + self._slot_gc_loop: AsyncioLoopingCall | LoopingCall = create_looping_call( + self._slot_gc + ) self._slot_gc_loop.start(60) self.per_slot_settings: dict[str, dict[str, Any]] = self.settings.getdict( "DOWNLOAD_SLOTS", {} diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index 721c81d81..d9361a674 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -13,13 +13,16 @@ from traceback import format_exc from typing import TYPE_CHECKING, Any, cast from twisted.internet.defer import Deferred, inlineCallbacks, succeed -from twisted.internet.task import LoopingCall from twisted.python.failure import Failure from scrapy import signals from scrapy.core.scraper import Scraper from scrapy.exceptions import CloseSpider, DontCloseSpider, IgnoreRequest from scrapy.http import Request, Response +from scrapy.utils.asyncio import ( + AsyncioLoopingCall, + create_looping_call, +) from scrapy.utils.defer import ( deferred_f_from_coro_f, deferred_from_coro, @@ -32,6 +35,8 @@ from scrapy.utils.reactor import CallLaterOnce if TYPE_CHECKING: from collections.abc import AsyncIterator, Callable, Generator + from twisted.internet.task import LoopingCall + from scrapy.core.downloader import Downloader from scrapy.core.scheduler import BaseScheduler from scrapy.crawler import Crawler @@ -56,7 +61,9 @@ class _Slot: self.close_if_idle: bool = close_if_idle self.nextcall: CallLaterOnce[None] = nextcall self.scheduler: BaseScheduler = scheduler - self.heartbeat: LoopingCall = LoopingCall(nextcall.schedule) + self.heartbeat: AsyncioLoopingCall | LoopingCall = create_looping_call( + nextcall.schedule + ) def add_request(self, request: Request) -> None: self.inprogress.add(request) diff --git a/scrapy/extensions/closespider.py b/scrapy/extensions/closespider.py index dff8bc97e..a649a86e2 100644 --- a/scrapy/extensions/closespider.py +++ b/scrapy/extensions/closespider.py @@ -12,6 +12,7 @@ from typing import TYPE_CHECKING, Any from scrapy import Request, Spider, signals from scrapy.exceptions import NotConfigured +from scrapy.utils.asyncio import create_looping_call if TYPE_CHECKING: from twisted.python.failure import Failure @@ -118,9 +119,7 @@ class CloseSpider: task_no_item.stop() def spider_opened_no_item(self, spider: Spider) -> None: - from twisted.internet import task - - self.task_no_item = task.LoopingCall(self._count_items_produced, spider) + self.task_no_item = create_looping_call(self._count_items_produced, spider) self.task_no_item.start(self.timeout_no_item, now=False) logger.info( diff --git a/scrapy/extensions/logstats.py b/scrapy/extensions/logstats.py index f2e1f57b8..387cfddb3 100644 --- a/scrapy/extensions/logstats.py +++ b/scrapy/extensions/logstats.py @@ -3,12 +3,16 @@ from __future__ import annotations import logging from typing import TYPE_CHECKING -from twisted.internet import task - from scrapy import Spider, signals from scrapy.exceptions import NotConfigured +from scrapy.utils.asyncio import ( + AsyncioLoopingCall, + create_looping_call, +) if TYPE_CHECKING: + from twisted.internet.task import LoopingCall + # typing.Self requires Python 3.11 from typing_extensions import Self @@ -29,7 +33,7 @@ class LogStats: self.stats: StatsCollector = stats self.interval: float = interval self.multiplier: float = 60.0 / self.interval - self.task: task.LoopingCall | None = None + self.task: AsyncioLoopingCall | LoopingCall | None = None @classmethod def from_crawler(cls, crawler: Crawler) -> Self: @@ -46,7 +50,7 @@ class LogStats: self.pagesprev: int = 0 self.itemsprev: int = 0 - self.task = task.LoopingCall(self.log, spider) + self.task = create_looping_call(self.log, spider) self.task.start(self.interval) def log(self, spider: Spider) -> None: diff --git a/scrapy/extensions/memusage.py b/scrapy/extensions/memusage.py index d7f810107..2ef322f1a 100644 --- a/scrapy/extensions/memusage.py +++ b/scrapy/extensions/memusage.py @@ -13,14 +13,18 @@ from importlib import import_module from pprint import pformat from typing import TYPE_CHECKING -from twisted.internet import task - from scrapy import signals from scrapy.exceptions import NotConfigured from scrapy.mail import MailSender +from scrapy.utils.asyncio import ( + AsyncioLoopingCall, + create_looping_call, +) from scrapy.utils.engine import get_engine_status if TYPE_CHECKING: + from twisted.internet.task import LoopingCall + # typing.Self requires Python 3.11 from typing_extensions import Self @@ -66,16 +70,16 @@ class MemoryUsage: def engine_started(self) -> None: assert self.crawler.stats self.crawler.stats.set_value("memusage/startup", self.get_virtual_size()) - self.tasks: list[task.LoopingCall] = [] - tsk = task.LoopingCall(self.update) + self.tasks: list[AsyncioLoopingCall | LoopingCall] = [] + tsk = create_looping_call(self.update) self.tasks.append(tsk) tsk.start(self.check_interval, now=True) if self.limit: - tsk = task.LoopingCall(self._check_limit) + tsk = create_looping_call(self._check_limit) self.tasks.append(tsk) tsk.start(self.check_interval, now=True) if self.warning: - tsk = task.LoopingCall(self._check_warning) + tsk = create_looping_call(self._check_warning) self.tasks.append(tsk) tsk.start(self.check_interval, now=True) diff --git a/scrapy/extensions/periodic_log.py b/scrapy/extensions/periodic_log.py index f97577442..9158482fa 100644 --- a/scrapy/extensions/periodic_log.py +++ b/scrapy/extensions/periodic_log.py @@ -4,16 +4,20 @@ import logging from datetime import datetime, timezone from typing import TYPE_CHECKING, Any -from twisted.internet import task - from scrapy import Spider, signals from scrapy.exceptions import NotConfigured +from scrapy.utils.asyncio import ( + AsyncioLoopingCall, + create_looping_call, +) from scrapy.utils.serialize import ScrapyJSONEncoder if TYPE_CHECKING: - # typing.Self requires Python 3.11 from json import JSONEncoder + from twisted.internet.task import LoopingCall + + # typing.Self requires Python 3.11 from typing_extensions import Self from scrapy.crawler import Crawler @@ -37,7 +41,7 @@ class PeriodicLog: self.stats: StatsCollector = stats self.interval: float = interval self.multiplier: float = 60.0 / self.interval - self.task: task.LoopingCall | None = None + self.task: AsyncioLoopingCall | LoopingCall | None = None self.encoder: JSONEncoder = ScrapyJSONEncoder(sort_keys=True, indent=4) self.ext_stats_enabled: bool = bool(ext_stats) self.ext_stats_include: list[str] = ext_stats.get("include", []) @@ -97,7 +101,7 @@ class PeriodicLog: self.delta_prev: dict[str, int | float] = {} self.stats_prev: dict[str, int | float] = {} - self.task = task.LoopingCall(self.log) + self.task = create_looping_call(self.log) self.task.start(self.interval) def log(self) -> None: diff --git a/scrapy/utils/asyncio.py b/scrapy/utils/asyncio.py index a3f27bcc9..cae2dc033 100644 --- a/scrapy/utils/asyncio.py +++ b/scrapy/utils/asyncio.py @@ -3,22 +3,30 @@ from __future__ import annotations import asyncio +import logging +import time +from collections.abc import AsyncIterator, Callable, Coroutine, Iterable from typing import TYPE_CHECKING, Any, TypeVar +from twisted.internet.defer import Deferred +from twisted.internet.task import LoopingCall + from scrapy.utils.asyncgen import as_async_generator from scrapy.utils.reactor import is_asyncio_reactor_installed, is_reactor_installed if TYPE_CHECKING: - from collections.abc import AsyncIterator, Callable, Coroutine, Iterable - # typing.Concatenate and typing.ParamSpec require Python 3.10 from typing_extensions import Concatenate, ParamSpec _P = ParamSpec("_P") + _T = TypeVar("_T") +logger = logging.getLogger(__name__) + + def is_asyncio_available() -> bool: """Check if it's possible to call asyncio code that relies on the asyncio event loop. @@ -90,3 +98,97 @@ async def _parallel_asyncio( fill_task = asyncio.create_task(fill_queue()) work_tasks = [asyncio.create_task(worker()) for _ in range(count)] await asyncio.wait([fill_task, *work_tasks]) + + +class AsyncioLoopingCall: + """A simple implementation of a periodic call using asyncio, keeping + some API and behavior compatibility with the Twisted ``LoopingCall``. + + The function is called every *interval* seconds, independent of the finish + time of the previous call. If the function is still running when it's time + to call it again, calls are skipped until the function finishes. + + The function must not return a coroutine or a ``Deferred``. + """ + + def __init__(self, func: Callable[_P, _T], *args: _P.args, **kwargs: _P.kwargs): + self._func: Callable[_P, _T] = func + self._args: tuple[Any, ...] = args + self._kwargs: dict[str, Any] = kwargs + self._task: asyncio.Task | None = None + self.interval: float | None = None + self._start_time: float | None = None + + @property + def running(self) -> bool: + return self._start_time is not None + + def start(self, interval: float, now: bool = True) -> None: + """Start calling the function every *interval* seconds. + + :param interval: The interval in seconds between calls. + :type interval: float + + :param now: If ``True``, also call the function immediately. + :type now: bool + """ + if self.running: + raise RuntimeError("AsyncioLoopingCall already running") + + if interval <= 0: + raise ValueError("Interval must be greater than 0") + + self.interval = interval + self._start_time = time.time() + if now: + self._call() + loop = asyncio.get_event_loop() + self._task = loop.create_task(self._loop()) + + def _to_sleep(self) -> float: + """Return the time to sleep until the next call.""" + assert self.interval is not None + assert self._start_time is not None + now = time.time() + running_for = now - self._start_time + return self.interval - (running_for % self.interval) + + async def _loop(self) -> None: + """Run an infinite loop that calls the function periodically.""" + while self.running: + await asyncio.sleep(self._to_sleep()) + self._call() + + def stop(self) -> None: + """Stop the periodic calls.""" + self.interval = self._start_time = None + if self._task is not None: + self._task.cancel() + self._task = None + + def _call(self) -> None: + """Execute the function.""" + try: + result = self._func(*self._args, **self._kwargs) + except Exception: + logger.exception("Error calling the AsyncioLoopingCall function") + self.stop() + else: + if isinstance(result, (Coroutine, Deferred)): + self.stop() + raise TypeError( + "The AsyncioLoopingCall function must not return a coroutine or a Deferred" + ) + + +def create_looping_call( + func: Callable[_P, _T], *args: _P.args, **kwargs: _P.kwargs +) -> AsyncioLoopingCall | LoopingCall: + """Create an instance of a looping call class. + + This creates an instance of :class:`AsyncioLoopingCall` or + :class:`LoopingCall`, depending on whether asyncio support is available. + """ + if is_asyncio_available(): + return AsyncioLoopingCall(func, *args, **kwargs) + return LoopingCall(func, *args, **kwargs) diff --git a/tests/test_utils_asyncio.py b/tests/test_utils_asyncio.py index 6c47965a3..a6e52eb26 100644 --- a/tests/test_utils_asyncio.py +++ b/tests/test_utils_asyncio.py @@ -3,12 +3,18 @@ from __future__ import annotations import asyncio import random from typing import TYPE_CHECKING +from unittest import mock import pytest +from twisted.internet.defer import Deferred from twisted.trial import unittest from scrapy.utils.asyncgen import as_async_generator -from scrapy.utils.asyncio import _parallel_asyncio, is_asyncio_available +from scrapy.utils.asyncio import ( + AsyncioLoopingCall, + _parallel_asyncio, + is_asyncio_available, +) from scrapy.utils.defer import deferred_f_from_coro_f if TYPE_CHECKING: @@ -97,3 +103,43 @@ class TestParallelAsyncio(unittest.TestCase): ) assert list(range(length)) == sorted(results) assert max_parallel_count[0] <= self.CONCURRENT_ITEMS + + +@pytest.mark.only_asyncio +class TestAsyncioLoopingCall: + def test_looping_call(self): + func = mock.MagicMock() + looping_call = AsyncioLoopingCall(func) + looping_call.start(1, now=False) + assert looping_call.running + looping_call.stop() + assert not looping_call.running + assert not func.called + + def test_looping_call_now(self): + func = mock.MagicMock() + looping_call = AsyncioLoopingCall(func) + looping_call.start(1) + looping_call.stop() + assert func.called + + def test_looping_call_already_running(self): + looping_call = AsyncioLoopingCall(lambda: None) + looping_call.start(1) + with pytest.raises(RuntimeError): + looping_call.start(1) + looping_call.stop() + + def test_looping_call_interval(self): + looping_call = AsyncioLoopingCall(lambda: None) + with pytest.raises(ValueError, match="Interval must be greater than 0"): + looping_call.start(0) + with pytest.raises(ValueError, match="Interval must be greater than 0"): + looping_call.start(-1) + assert not looping_call.running + + def test_looping_call_bad_function(self): + looping_call = AsyncioLoopingCall(Deferred) + with pytest.raises(TypeError): + looping_call.start(0.1) + assert not looping_call.running From c6698b9fe8d3e1f27f2982b484ba69486a8cbc3d Mon Sep 17 00:00:00 2001 From: Mehraz Hossain Rumman <59512321+MehrazRumman@users.noreply.github.com> Date: Wed, 4 Jun 2025 17:02:29 +0600 Subject: [PATCH 493/786] fixing settings order (#6849) * fixing issue #6838 * Reorder some more settings. * Clarify the header. --------- Co-authored-by: Andrey Rakhmatullin --- scrapy/settings/default_settings.py | 146 ++++++++++++++-------------- 1 file changed, 71 insertions(+), 75 deletions(-) diff --git a/scrapy/settings/default_settings.py b/scrapy/settings/default_settings.py index 4a27017a6..7cd470f11 100644 --- a/scrapy/settings/default_settings.py +++ b/scrapy/settings/default_settings.py @@ -1,16 +1,16 @@ -""" -This module contains the default values for all settings used by Scrapy. +"""This module contains the default values for all settings used by Scrapy. For more information about these settings you can read the settings documentation in docs/topics/settings.rst Scrapy developers, if you add a setting here remember to: -* add it in alphabetical order +* add it in alphabetical order, with the exception that enabling flags and + other high-level settings for a group should come first in their group + and pairs like host/port and user/password should be in the usual order * group similar settings without leaving blank lines * add its documentation to the available settings documentation (docs/topics/settings.rst) - """ import sys @@ -31,10 +31,10 @@ AUTOTHROTTLE_TARGET_CONCURRENCY = 1.0 BOT_NAME = "scrapybot" -CLOSESPIDER_TIMEOUT = 0 -CLOSESPIDER_PAGECOUNT = 0 -CLOSESPIDER_ITEMCOUNT = 0 CLOSESPIDER_ERRORCOUNT = 0 +CLOSESPIDER_ITEMCOUNT = 0 +CLOSESPIDER_PAGECOUNT = 0 +CLOSESPIDER_TIMEOUT = 0 COMMANDS_MODULE = "" @@ -59,8 +59,8 @@ DEFAULT_REQUEST_HEADERS = { } DEPTH_LIMIT = 0 -DEPTH_STATS_VERBOSE = False DEPTH_PRIORITY = 0 +DEPTH_STATS_VERBOSE = False DNSCACHE_ENABLED = True DNSCACHE_SIZE = 10000 @@ -69,6 +69,8 @@ DNS_TIMEOUT = 60 DOWNLOAD_DELAY = 0 +DOWNLOAD_FAIL_ON_DATALOSS = True + DOWNLOAD_HANDLERS = {} DOWNLOAD_HANDLERS_BASE = { "data": "scrapy.core.downloader.handlers.datauri.DataURIDownloadHandler", @@ -79,18 +81,13 @@ DOWNLOAD_HANDLERS_BASE = { "ftp": "scrapy.core.downloader.handlers.ftp.FTPDownloadHandler", } -DOWNLOAD_TIMEOUT = 180 # 3mins - DOWNLOAD_MAXSIZE = 1024 * 1024 * 1024 # 1024m DOWNLOAD_WARNSIZE = 32 * 1024 * 1024 # 32m -DOWNLOAD_FAIL_ON_DATALOSS = True +DOWNLOAD_TIMEOUT = 180 # 3mins DOWNLOADER = "scrapy.core.downloader.Downloader" -DOWNLOADER_HTTPCLIENTFACTORY = ( - "scrapy.core.downloader.webclient.ScrapyHTTPClientFactory" -) DOWNLOADER_CLIENTCONTEXTFACTORY = ( "scrapy.core.downloader.contextfactory.ScrapyClientContextFactory" ) @@ -99,8 +96,11 @@ DOWNLOADER_CLIENT_TLS_CIPHERS = "DEFAULT" DOWNLOADER_CLIENT_TLS_METHOD = "TLS" DOWNLOADER_CLIENT_TLS_VERBOSE_LOGGING = False -DOWNLOADER_MIDDLEWARES = {} +DOWNLOADER_HTTPCLIENTFACTORY = ( + "scrapy.core.downloader.webclient.ScrapyHTTPClientFactory" +) +DOWNLOADER_MIDDLEWARES = {} DOWNLOADER_MIDDLEWARES_BASE = { # Engine side "scrapy.downloadermiddlewares.offsite.OffsiteMiddleware": 50, @@ -130,7 +130,6 @@ if sys.platform == "win32": EDITOR = "%s -m idlelib.idle" EXTENSIONS = {} - EXTENSIONS_BASE = { "scrapy.extensions.corestats.CoreStats": 0, "scrapy.extensions.telnet.TelnetConsole": 0, @@ -143,22 +142,11 @@ EXTENSIONS_BASE = { "scrapy.extensions.throttle.AutoThrottle": 0, } -FEED_TEMPDIR = None FEEDS = {} -FEED_URI_PARAMS = None # a function to extend uri arguments -FEED_STORE_EMPTY = True +FEED_EXPORT_BATCH_ITEM_COUNT = 0 FEED_EXPORT_ENCODING = None FEED_EXPORT_FIELDS = None -FEED_STORAGES = {} -FEED_STORAGES_BASE = { - "": "scrapy.extensions.feedexport.FileFeedStorage", - "file": "scrapy.extensions.feedexport.FileFeedStorage", - "ftp": "scrapy.extensions.feedexport.FTPFeedStorage", - "gs": "scrapy.extensions.feedexport.GCSFeedStorage", - "s3": "scrapy.extensions.feedexport.S3FeedStorage", - "stdout": "scrapy.extensions.feedexport.StdoutFeedStorage", -} -FEED_EXPORT_BATCH_ITEM_COUNT = 0 +FEED_EXPORT_INDENT = 0 FEED_EXPORTERS = {} FEED_EXPORTERS_BASE = { "json": "scrapy.exporters.JsonItemExporter", @@ -170,59 +158,69 @@ FEED_EXPORTERS_BASE = { "marshal": "scrapy.exporters.MarshalItemExporter", "pickle": "scrapy.exporters.PickleItemExporter", } -FEED_EXPORT_INDENT = 0 - +FEED_STORE_EMPTY = True +FEED_STORAGES = {} +FEED_STORAGES_BASE = { + "": "scrapy.extensions.feedexport.FileFeedStorage", + "file": "scrapy.extensions.feedexport.FileFeedStorage", + "ftp": "scrapy.extensions.feedexport.FTPFeedStorage", + "gs": "scrapy.extensions.feedexport.GCSFeedStorage", + "s3": "scrapy.extensions.feedexport.S3FeedStorage", + "stdout": "scrapy.extensions.feedexport.StdoutFeedStorage", +} FEED_STORAGE_FTP_ACTIVE = False FEED_STORAGE_GCS_ACL = "" FEED_STORAGE_S3_ACL = "" +FEED_TEMPDIR = None +FEED_URI_PARAMS = None # a function to extend uri arguments -FILES_STORE_S3_ACL = "private" FILES_STORE_GCS_ACL = "" +FILES_STORE_S3_ACL = "private" FORCE_CRAWLER_PROCESS = False +FTP_PASSIVE_MODE = True FTP_USER = "anonymous" FTP_PASSWORD = "guest" # noqa: S105 -FTP_PASSIVE_MODE = True GCS_PROJECT_ID = None HTTPCACHE_ENABLED = False -HTTPCACHE_DIR = "httpcache" -HTTPCACHE_IGNORE_MISSING = False -HTTPCACHE_STORAGE = "scrapy.extensions.httpcache.FilesystemCacheStorage" -HTTPCACHE_EXPIRATION_SECS = 0 HTTPCACHE_ALWAYS_STORE = False -HTTPCACHE_IGNORE_HTTP_CODES = [] -HTTPCACHE_IGNORE_SCHEMES = ["file"] -HTTPCACHE_IGNORE_RESPONSE_CACHE_CONTROLS = [] HTTPCACHE_DBM_MODULE = "dbm" -HTTPCACHE_POLICY = "scrapy.extensions.httpcache.DummyPolicy" +HTTPCACHE_DIR = "httpcache" +HTTPCACHE_EXPIRATION_SECS = 0 HTTPCACHE_GZIP = False +HTTPCACHE_IGNORE_HTTP_CODES = [] +HTTPCACHE_IGNORE_MISSING = False +HTTPCACHE_IGNORE_RESPONSE_CACHE_CONTROLS = [] +HTTPCACHE_IGNORE_SCHEMES = ["file"] +HTTPCACHE_POLICY = "scrapy.extensions.httpcache.DummyPolicy" +HTTPCACHE_STORAGE = "scrapy.extensions.httpcache.FilesystemCacheStorage" HTTPPROXY_ENABLED = True HTTPPROXY_AUTH_ENCODING = "latin-1" -IMAGES_STORE_S3_ACL = "private" IMAGES_STORE_GCS_ACL = "" - -ITEM_PROCESSOR = "scrapy.pipelines.ItemPipelineManager" +IMAGES_STORE_S3_ACL = "private" ITEM_PIPELINES = {} ITEM_PIPELINES_BASE = {} +ITEM_PROCESSOR = "scrapy.pipelines.ItemPipelineManager" + JOBDIR = None LOG_ENABLED = True -LOG_ENCODING = "utf-8" -LOG_FORMATTER = "scrapy.logformatter.LogFormatter" -LOG_FORMAT = "%(asctime)s [%(name)s] %(levelname)s: %(message)s" LOG_DATEFORMAT = "%Y-%m-%d %H:%M:%S" -LOG_STDOUT = False -LOG_LEVEL = "DEBUG" +LOG_ENCODING = "utf-8" LOG_FILE = None LOG_FILE_APPEND = True +LOG_FORMAT = "%(asctime)s [%(name)s] %(levelname)s: %(message)s" +LOG_FORMATTER = "scrapy.logformatter.LogFormatter" +LOG_LEVEL = "DEBUG" LOG_SHORT_NAMES = False +LOG_STDOUT = False LOG_VERSIONS = [ "lxml", "libxml2", @@ -236,21 +234,19 @@ LOG_VERSIONS = [ "Platform", ] -SCHEDULER_DEBUG = False - LOGSTATS_INTERVAL = 60.0 +MAIL_FROM = "scrapy@localhost" MAIL_HOST = "localhost" MAIL_PORT = 25 -MAIL_FROM = "scrapy@localhost" -MAIL_PASS = None MAIL_USER = None +MAIL_PASS = None MEMDEBUG_ENABLED = False # enable memory debugging MEMDEBUG_NOTIFY = [] # send memory debugging report by mail at engine shutdown -MEMUSAGE_CHECK_INTERVAL_SECONDS = 60.0 MEMUSAGE_ENABLED = True +MEMUSAGE_CHECK_INTERVAL_SECONDS = 60.0 MEMUSAGE_LIMIT_MB = 0 MEMUSAGE_NOTIFY_MAIL = [] MEMUSAGE_WARNING_MB = 0 @@ -280,9 +276,6 @@ REQUEST_FINGERPRINTER_CLASS = "scrapy.utils.request.RequestFingerprinter" REQUEST_FINGERPRINTER_IMPLEMENTATION = "SENTINEL" RETRY_ENABLED = True -RETRY_TIMES = 2 # initial response + 2 retries = 3 requests -RETRY_HTTP_CODES = [500, 502, 503, 504, 522, 524, 408, 429] -RETRY_PRIORITY_ADJUST = -1 RETRY_EXCEPTIONS = [ "twisted.internet.defer.TimeoutError", "twisted.internet.error.TimeoutError", @@ -298,12 +291,16 @@ RETRY_EXCEPTIONS = [ OSError, "scrapy.core.downloader.handlers.http11.TunnelError", ] +RETRY_HTTP_CODES = [500, 502, 503, 504, 522, 524, 408, 429] +RETRY_PRIORITY_ADJUST = -1 +RETRY_TIMES = 2 # initial response + 2 retries = 3 requests ROBOTSTXT_OBEY = False ROBOTSTXT_PARSER = "scrapy.robotstxt.ProtegoRobotParser" ROBOTSTXT_USER_AGENT = None SCHEDULER = "scrapy.core.scheduler.Scheduler" +SCHEDULER_DEBUG = False SCHEDULER_DISK_QUEUE = "scrapy.squeues.PickleLifoDiskQueue" SCHEDULER_MEMORY_QUEUE = "scrapy.squeues.LifoMemoryQueue" SCHEDULER_PRIORITY_QUEUE = "scrapy.pqueues.ScrapyPriorityQueue" @@ -312,11 +309,19 @@ SCHEDULER_START_MEMORY_QUEUE = "scrapy.squeues.FifoMemoryQueue" SCRAPER_SLOT_MAX_ACTIVE_SIZE = 5000000 +SPIDER_CONTRACTS = {} +SPIDER_CONTRACTS_BASE = { + "scrapy.contracts.default.UrlContract": 1, + "scrapy.contracts.default.CallbackKeywordArgumentsContract": 1, + "scrapy.contracts.default.MetadataContract": 1, + "scrapy.contracts.default.ReturnsContract": 2, + "scrapy.contracts.default.ScrapesContract": 3, +} + SPIDER_LOADER_CLASS = "scrapy.spiderloader.SpiderLoader" SPIDER_LOADER_WARN_ONLY = False SPIDER_MIDDLEWARES = {} - SPIDER_MIDDLEWARES_BASE = { # Engine side "scrapy.spidermiddlewares.start.StartSpiderMiddleware": 25, @@ -334,27 +339,18 @@ STATS_DUMP = True STATSMAILER_RCPTS = [] +TELNETCONSOLE_ENABLED = 1 +TELNETCONSOLE_HOST = "127.0.0.1" +TELNETCONSOLE_PORT = [6023, 6073] +TELNETCONSOLE_USERNAME = "scrapy" +TELNETCONSOLE_PASSWORD = None + TEMPLATES_DIR = str((Path(__file__).parent / ".." / "templates").resolve()) +TWISTED_REACTOR = "twisted.internet.asyncioreactor.AsyncioSelectorReactor" + URLLENGTH_LIMIT = 2083 USER_AGENT = f"Scrapy/{import_module('scrapy').__version__} (+https://scrapy.org)" -TELNETCONSOLE_ENABLED = 1 -TELNETCONSOLE_PORT = [6023, 6073] -TELNETCONSOLE_HOST = "127.0.0.1" -TELNETCONSOLE_USERNAME = "scrapy" -TELNETCONSOLE_PASSWORD = None - -TWISTED_REACTOR = "twisted.internet.asyncioreactor.AsyncioSelectorReactor" - -SPIDER_CONTRACTS = {} -SPIDER_CONTRACTS_BASE = { - "scrapy.contracts.default.UrlContract": 1, - "scrapy.contracts.default.CallbackKeywordArgumentsContract": 1, - "scrapy.contracts.default.MetadataContract": 1, - "scrapy.contracts.default.ReturnsContract": 2, - "scrapy.contracts.default.ScrapesContract": 3, -} - WARN_ON_GENERATOR_RETURN_VALUE = True From 5902aab25ce2ef0b26e158e0455ee6f0846636bb Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 4 Jun 2025 20:37:36 +0500 Subject: [PATCH 494/786] Add the call_later() wrapper. (#6858) --- scrapy/core/downloader/__init__.py | 25 +++++++----- scrapy/extensions/closespider.py | 33 ++++++++++------ scrapy/utils/asyncio.py | 63 +++++++++++++++++++++++++++++- scrapy/utils/reactor.py | 13 +++--- 4 files changed, 107 insertions(+), 27 deletions(-) diff --git a/scrapy/core/downloader/__init__.py b/scrapy/core/downloader/__init__.py index 501c669ce..9293d7b78 100644 --- a/scrapy/core/downloader/__init__.py +++ b/scrapy/core/downloader/__init__.py @@ -14,7 +14,12 @@ from scrapy.core.downloader.handlers import DownloadHandlers from scrapy.core.downloader.middleware import DownloaderMiddlewareManager from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.resolver import dnscache -from scrapy.utils.asyncio import AsyncioLoopingCall, create_looping_call +from scrapy.utils.asyncio import ( + AsyncioLoopingCall, + CallLaterResult, + call_later, + create_looping_call, +) from scrapy.utils.defer import ( deferred_from_coro, maybe_deferred_to_future, @@ -50,7 +55,7 @@ class Slot: self.queue: deque[tuple[Request, Deferred[Response]]] = deque() self.transferring: set[Request] = set() self.lastseen: float = 0 - self.latercall = None + self.latercall: CallLaterResult | None = None def free_transfer_slots(self) -> int: return self.concurrency - len(self.transferring) @@ -61,8 +66,9 @@ class Slot: return self.delay def close(self) -> None: - if self.latercall and self.latercall.active(): + if self.latercall: self.latercall.cancel() + self.latercall = None def __repr__(self) -> str: cls_name = self.__class__.__name__ @@ -191,9 +197,8 @@ class Downloader: slot.active.remove(request) def _process_queue(self, spider: Spider, slot: Slot) -> None: - from twisted.internet import reactor - - if slot.latercall and slot.latercall.active(): + if slot.latercall: + # block processing until slot.latercall is called return # Delay queue processing if a download_delay is configured @@ -202,9 +207,7 @@ class Downloader: if delay: penalty = delay - now + slot.lastseen if penalty > 0: - slot.latercall = reactor.callLater( - penalty, self._process_queue, spider, slot - ) + slot.latercall = call_later(penalty, self._latercall, spider, slot) return # Process enqueued requests if there are free slots to transfer for this slot @@ -218,6 +221,10 @@ class Downloader: self._process_queue(spider, slot) break + def _latercall(self, spider: Spider, slot: Slot) -> None: + slot.latercall = None + self._process_queue(spider, slot) + async def _download(self, slot: Slot, request: Request, spider: Spider) -> Response: # The order is very important for the following logic. Do not change! slot.transferring.add(request) diff --git a/scrapy/extensions/closespider.py b/scrapy/extensions/closespider.py index a649a86e2..b4c6c73a0 100644 --- a/scrapy/extensions/closespider.py +++ b/scrapy/extensions/closespider.py @@ -12,9 +12,15 @@ from typing import TYPE_CHECKING, Any from scrapy import Request, Spider, signals from scrapy.exceptions import NotConfigured -from scrapy.utils.asyncio import create_looping_call +from scrapy.utils.asyncio import ( + AsyncioLoopingCall, + CallLaterResult, + call_later, + create_looping_call, +) if TYPE_CHECKING: + from twisted.internet.task import LoopingCall from twisted.python.failure import Failure # typing.Self requires Python 3.11 @@ -31,6 +37,12 @@ class CloseSpider: def __init__(self, crawler: Crawler): self.crawler: Crawler = crawler + # for CLOSESPIDER_TIMEOUT + self.task: CallLaterResult | None = None + + # for CLOSESPIDER_TIMEOUT_NO_ITEM + self.task_no_item: AsyncioLoopingCall | LoopingCall | None = None + self.close_on: dict[str, Any] = { "timeout": crawler.settings.getfloat("CLOSESPIDER_TIMEOUT"), "itemcount": crawler.settings.getint("CLOSESPIDER_ITEMCOUNT"), @@ -92,14 +104,12 @@ class CloseSpider: self.crawler.engine.close_spider(spider, "closespider_pagecount_no_item") def spider_opened(self, spider: Spider) -> None: - from twisted.internet import reactor - assert self.crawler.engine - self.task = reactor.callLater( + self.task = call_later( self.close_on["timeout"], self.crawler.engine.close_spider, spider, - reason="closespider_timeout", + "closespider_timeout", ) def item_scraped(self, item: Any, spider: Spider) -> None: @@ -110,13 +120,14 @@ class CloseSpider: self.crawler.engine.close_spider(spider, "closespider_itemcount") def spider_closed(self, spider: Spider) -> None: - task = getattr(self, "task", None) - if task and task.active(): - task.cancel() + if self.task: + self.task.cancel() + self.task = None - task_no_item = getattr(self, "task_no_item", None) - if task_no_item and task_no_item.running: - task_no_item.stop() + if self.task_no_item: + if self.task_no_item.running: + self.task_no_item.stop() + self.task_no_item = None def spider_opened_no_item(self, spider: Spider) -> None: self.task_no_item = create_looping_call(self._count_items_produced, spider) diff --git a/scrapy/utils/asyncio.py b/scrapy/utils/asyncio.py index cae2dc033..8c5b843cb 100644 --- a/scrapy/utils/asyncio.py +++ b/scrapy/utils/asyncio.py @@ -15,10 +15,14 @@ from scrapy.utils.asyncgen import as_async_generator from scrapy.utils.reactor import is_asyncio_reactor_installed, is_reactor_installed if TYPE_CHECKING: + from twisted.internet.base import DelayedCall + # typing.Concatenate and typing.ParamSpec require Python 3.10 - from typing_extensions import Concatenate, ParamSpec + # typing.Self, typing.TypeVarTuple and typing.Unpack require Python 3.11 + from typing_extensions import Concatenate, ParamSpec, Self, TypeVarTuple, Unpack _P = ParamSpec("_P") + _Ts = TypeVarTuple("_Ts") _T = TypeVar("_T") @@ -192,3 +196,60 @@ def create_looping_call( if is_asyncio_available(): return AsyncioLoopingCall(func, *args, **kwargs) return LoopingCall(func, *args, **kwargs) + + +def call_later( + delay: float, func: Callable[[Unpack[_Ts]], object], *args: Unpack[_Ts] +) -> CallLaterResult: + """Schedule a function to be called after a delay. + + This uses either ``loop.call_later()`` or ``reactor.callLater()``, depending + on whether asyncio support is available. + """ + if is_asyncio_available(): + loop = asyncio.get_event_loop() + return CallLaterResult.from_asyncio(loop.call_later(delay, func, *args)) + + from twisted.internet import reactor + + return CallLaterResult.from_twisted(reactor.callLater(delay, func, *args)) + + +class CallLaterResult: + """An universal result for :func:`call_later`, wrapping either + :class:`asyncio.TimerHandle` or :class:`twisted.internet.base.DelayedCall`. + + The provided API is close to the :class:`asyncio.TimerHandle` one: there is + no ``active()`` (as there is no such public API in + :class:`asyncio.TimerHandle`) but ``cancel()`` can be called on already + called or cancelled instances. + """ + + _timer_handle: asyncio.TimerHandle | None = None + _delayed_call: DelayedCall | None = None + + @classmethod + def from_asyncio(cls, timer_handle: asyncio.TimerHandle) -> Self: + """Create a CallLaterResult from an asyncio TimerHandle.""" + o = cls() + o._timer_handle = timer_handle + return o + + @classmethod + def from_twisted(cls, delayed_call: DelayedCall) -> Self: + """Create a CallLaterResult from a Twisted DelayedCall.""" + o = cls() + o._delayed_call = delayed_call + return o + + def cancel(self) -> None: + """Cancel the underlying delayed call. + + Does nothing if the delayed call was already called or cancelled. + """ + if self._timer_handle: + self._timer_handle.cancel() + self._timer_handle = None + elif self._delayed_call and self._delayed_call.active(): + self._delayed_call.cancel() + self._delayed_call = None diff --git a/scrapy/utils/reactor.py b/scrapy/utils/reactor.py index 2fb1e0ce7..76f42392b 100644 --- a/scrapy/utils/reactor.py +++ b/scrapy/utils/reactor.py @@ -16,13 +16,14 @@ if TYPE_CHECKING: from asyncio import AbstractEventLoop, AbstractEventLoopPolicy from collections.abc import Callable - from twisted.internet.base import DelayedCall from twisted.internet.protocol import ServerFactory from twisted.internet.tcp import Port # typing.ParamSpec requires Python 3.10 from typing_extensions import ParamSpec + from scrapy.utils.asyncio import CallLaterResult + _P = ParamSpec("_P") _T = TypeVar("_T") @@ -55,27 +56,27 @@ class CallLaterOnce(Generic[_T]): self._func: Callable[_P, _T] = func self._a: tuple[Any, ...] = a self._kw: dict[str, Any] = kw - self._call: DelayedCall | None = None + self._call: CallLaterResult | None = None self._deferreds: list[Deferred] = [] def schedule(self, delay: float = 0) -> None: - from twisted.internet import reactor + from scrapy.utils.asyncio import call_later if self._call is None: - self._call = reactor.callLater(delay, self) + self._call = call_later(delay, self) def cancel(self) -> None: if self._call: self._call.cancel() def __call__(self) -> _T: - from twisted.internet import reactor + from scrapy.utils.asyncio import call_later self._call = None result = self._func(*self._a, **self._kw) for d in self._deferreds: - reactor.callLater(0, d.callback, None) + call_later(0, d.callback, None) self._deferreds = [] return result From d602f13e8cd22154936ded9c9356e28fe3be4cd4 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Thu, 5 Jun 2025 18:02:31 +0500 Subject: [PATCH 495/786] Fix a regression in errback result handling. (#6863) --- scrapy/core/scraper.py | 19 ++++++++----- scrapy/logformatter.py | 4 +-- tests/test_crawl.py | 61 +++++++++++++++++++++++++++++++++++++++++- 3 files changed, 74 insertions(+), 10 deletions(-) diff --git a/scrapy/core/scraper.py b/scrapy/core/scraper.py index 9fd68bce5..1f0d57c63 100644 --- a/scrapy/core/scraper.py +++ b/scrapy/core/scraper.py @@ -189,6 +189,7 @@ class Scraper: ) assert self.crawler.spider + output: Iterable[Any] | AsyncIterator[Any] if isinstance(result, Response): try: # call the spider middlewares and the request callback with the response @@ -203,7 +204,7 @@ class Scraper: try: # call the request errback with the downloader error - await self.call_spider_async(result, request) + output = await self.call_spider_async(result, request) except Exception as spider_exc: # the errback didn't silence the exception if not result.check(IgnoreRequest): @@ -218,6 +219,8 @@ class Scraper: if spider_exc is not result.value: # the errback raised a different exception, handle it self.handle_spider_error(Failure(), request, result) + else: + await self.handle_spider_output_async(output, request, result) def call_spider( self, result: Response | Failure, request: Request, spider: Spider | None = None @@ -308,7 +311,7 @@ class Scraper: self, result: Iterable[_T] | AsyncIterator[_T], request: Request, - response: Response, + response: Response | Failure, spider: Spider | None = None, ) -> Deferred[None]: """Pass items/requests produced by a callback to ``_process_spidermw_output()`` in parallel.""" @@ -326,7 +329,7 @@ class Scraper: self, result: Iterable[_T] | AsyncIterator[_T], request: Request, - response: Response, + response: Response | Failure, ) -> None: """Pass items/requests produced by a callback to ``_process_spidermw_output()`` in parallel.""" it: Iterable[_T] | AsyncIterator[_T] @@ -361,7 +364,7 @@ class Scraper: ) def _process_spidermw_output( - self, output: Any, response: Response + self, output: Any, response: Response | Failure ) -> Deferred[None]: """Process each Request/Item (given in the output parameter) returned from the given spider. @@ -371,7 +374,7 @@ class Scraper: return deferred_from_coro(self._process_spidermw_output_async(output, response)) async def _process_spidermw_output_async( - self, output: Any, response: Response + self, output: Any, response: Response | Failure ) -> None: """Process each Request/Item (given in the output parameter) returned from the given spider. @@ -385,7 +388,9 @@ class Scraper: if output is not None: await self.start_itemproc_async(output, response=response) - def start_itemproc(self, item: Any, *, response: Response | None) -> Deferred[None]: + def start_itemproc( + self, item: Any, *, response: Response | Failure | None + ) -> Deferred[None]: """Send *item* to the item pipelines for processing. *response* is the source of the item data. If the item does not come @@ -394,7 +399,7 @@ class Scraper: return deferred_from_coro(self.start_itemproc_async(item, response=response)) async def start_itemproc_async( - self, item: Any, *, response: Response | None + self, item: Any, *, response: Response | Failure | None ) -> None: """Send *item* to the item pipelines for processing. diff --git a/scrapy/logformatter.py b/scrapy/logformatter.py index 4f08918ae..e81a9ec93 100644 --- a/scrapy/logformatter.py +++ b/scrapy/logformatter.py @@ -116,7 +116,7 @@ class LogFormatter: self, item: Any, exception: BaseException, - response: Response | None, + response: Response | Failure | None, spider: Spider, ) -> LogFormatterResult: """Logs a message when an item is dropped while it is passing through the item pipeline.""" @@ -137,7 +137,7 @@ class LogFormatter: self, item: Any, exception: BaseException, - response: Response | None, + response: Response | Failure | None, spider: Spider, ) -> LogFormatterResult: """Logs a message when an item causes an error while it is passing diff --git a/tests/test_crawl.py b/tests/test_crawl.py index b90706027..8289b2243 100644 --- a/tests/test_crawl.py +++ b/tests/test_crawl.py @@ -5,6 +5,7 @@ import logging import unittest from ipaddress import IPv4Address from socket import gethostbyname +from typing import Any from urllib.parse import urlparse import pytest @@ -419,6 +420,8 @@ with multiples lines class TestCrawlSpider(TestCase): + mockserver: MockServer + @classmethod def setUpClass(cls): cls.mockserver = MockServer() @@ -756,6 +759,34 @@ class TestCrawlSpider(TestCase): ) assert "Spider error processing" in str(log) + @defer.inlineCallbacks + def test_spider_errback_item(self): + def eb(failure: Failure) -> Any: + return {"foo": "bar"} + + crawler = get_crawler(SingleRequestSpider) + with LogCapture() as log: + yield crawler.crawl( + seed=self.mockserver.url("/status?n=400"), errback_func=eb + ) + assert "HTTP status code is not handled or not allowed" not in str(log) + assert "Spider error processing" not in str(log) + assert "'item_scraped_count': 1" in str(log) + + @defer.inlineCallbacks + def test_spider_errback_request(self): + def eb(failure: Failure) -> Request: + return Request(self.mockserver.url("/")) + + crawler = get_crawler(SingleRequestSpider) + with LogCapture() as log: + yield crawler.crawl( + seed=self.mockserver.url("/status?n=400"), errback_func=eb + ) + assert "HTTP status code is not handled or not allowed" not in str(log) + assert "Spider error processing" not in str(log) + assert "Crawled (200)" in str(log) + @defer.inlineCallbacks def test_spider_errback_downloader_error(self): failures = [] @@ -774,7 +805,7 @@ class TestCrawlSpider(TestCase): assert "Spider error processing" not in str(log) @defer.inlineCallbacks - def test_spider_errback_exception_downloader_error(self): + def test_spider_errback_downloader_error_exception(self): def eb(failure: Failure) -> None: raise ValueError("foo") @@ -786,6 +817,34 @@ class TestCrawlSpider(TestCase): assert "Error downloading" in str(log) assert "Spider error processing" in str(log) + @defer.inlineCallbacks + def test_spider_errback_downloader_error_item(self): + def eb(failure: Failure) -> Any: + return {"foo": "bar"} + + crawler = get_crawler(SingleRequestSpider) + with LogCapture() as log: + yield crawler.crawl( + seed=self.mockserver.url("/drop?abort=1"), errback_func=eb + ) + assert "HTTP status code is not handled or not allowed" not in str(log) + assert "Spider error processing" not in str(log) + assert "'item_scraped_count': 1" in str(log) + + @defer.inlineCallbacks + def test_spider_errback_downloader_error_request(self): + def eb(failure: Failure) -> Request: + return Request(self.mockserver.url("/")) + + crawler = get_crawler(SingleRequestSpider) + with LogCapture() as log: + yield crawler.crawl( + seed=self.mockserver.url("/drop?abort=1"), errback_func=eb + ) + assert "HTTP status code is not handled or not allowed" not in str(log) + assert "Spider error processing" not in str(log) + assert "Crawled (200)" in str(log) + @defer.inlineCallbacks def test_raise_closespider(self): def cb(response): From 105c0afb6ee12a5d1664b311582caa90bcc6c6bf Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 28 May 2025 10:54:36 +0200 Subject: [PATCH 496/786] Feature the new logo in the README (#6831) --- README.rst | 22 ++++++++++------------ docs/_static/logo.svg | 1 + 2 files changed, 11 insertions(+), 12 deletions(-) create mode 100644 docs/_static/logo.svg diff --git a/README.rst b/README.rst index 29488d825..30001e4b0 100644 --- a/README.rst +++ b/README.rst @@ -1,9 +1,10 @@ -.. image:: https://scrapy.org/img/scrapylogo.png - :target: https://scrapy.org/ +.. raw:: html -====== -Scrapy -====== +

+ + Scrapy + +

.. image:: https://img.shields.io/pypi/v/Scrapy.svg :target: https://pypi.org/pypi/Scrapy @@ -37,13 +38,10 @@ Scrapy :target: https://deepwiki.com/scrapy/scrapy :alt: Ask DeepWiki - -Overview -======== - -Scrapy is a BSD-licensed fast high-level web crawling and web scraping framework, used to -crawl websites and extract structured data from their pages. It can be used for -a wide range of purposes, from data mining to monitoring and automated testing. +Scrapy is a BSD-licensed fast high-level web crawling and web scraping +framework, used to crawl websites and extract structured data from their pages. +It can be used for a wide range of purposes, from data mining to monitoring and +automated testing. Scrapy is maintained by Zyte_ (formerly Scrapinghub) and `many other contributors`_. diff --git a/docs/_static/logo.svg b/docs/_static/logo.svg new file mode 100644 index 000000000..04b2d18a7 --- /dev/null +++ b/docs/_static/logo.svg @@ -0,0 +1 @@ + From b8cd079014f0e31c609d5fd7fd5f52b89283b1c5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Wed, 28 May 2025 11:35:18 +0200 Subject: [PATCH 497/786] Shorten the README and remove broken links to scrapy.org (#6833) --- README.rst | 68 ++++++------------------------------------- docs/contributing.rst | 9 ++++-- 2 files changed, 16 insertions(+), 61 deletions(-) diff --git a/README.rst b/README.rst index 30001e4b0..5dc994570 100644 --- a/README.rst +++ b/README.rst @@ -38,74 +38,24 @@ :target: https://deepwiki.com/scrapy/scrapy :alt: Ask DeepWiki -Scrapy is a BSD-licensed fast high-level web crawling and web scraping -framework, used to crawl websites and extract structured data from their pages. -It can be used for a wide range of purposes, from data mining to monitoring and -automated testing. - -Scrapy is maintained by Zyte_ (formerly Scrapinghub) and `many other -contributors`_. +Scrapy_ is a web scraping framework to extract structured data from websites. +It is cross-platform, and requires Python 3.9+. It is maintained by Zyte_ +(formerly Scrapinghub) and `many other contributors`_. .. _many other contributors: https://github.com/scrapy/scrapy/graphs/contributors +.. _Scrapy: https://scrapy.org/ .. _Zyte: https://www.zyte.com/ -Check the Scrapy homepage at https://scrapy.org for more information, -including a list of features. - - -Requirements -============ - -* Python 3.9+ -* Works on Linux, Windows, macOS, BSD - -Install -======= - -The quick way: +Install with: .. code:: bash pip install scrapy -See the install section in the documentation at -https://docs.scrapy.org/en/latest/intro/install.html for more details. +And follow the documentation_ to learn how to use it. -Documentation -============= +.. _documentation: https://docs.scrapy.org/en/latest/ -Documentation is available online at https://docs.scrapy.org/ and in the ``docs`` -directory. +If you wish to contribute, see Contributing_. -Releases -======== - -You can check https://docs.scrapy.org/en/latest/news.html for the release notes. - -Community (blog, twitter, mail list, IRC) -========================================= - -See https://scrapy.org/community/ for details. - -Contributing -============ - -See https://docs.scrapy.org/en/master/contributing.html for details. - -Code of Conduct ---------------- - -Please note that this project is released with a Contributor `Code of Conduct `_. - -By participating in this project you agree to abide by its terms. -Please report unacceptable behavior to opensource@zyte.com. - -Companies using Scrapy -====================== - -See https://scrapy.org/companies/ for a list. - -Commercial Support -================== - -See https://scrapy.org/support/ for details. +.. _Contributing: https://docs.scrapy.org/en/master/contributing.html diff --git a/docs/contributing.rst b/docs/contributing.rst index f5c1c74b8..0172887d6 100644 --- a/docs/contributing.rst +++ b/docs/contributing.rst @@ -6,8 +6,13 @@ Contributing to Scrapy .. important:: - Double check that you are reading the most recent version of this document at - https://docs.scrapy.org/en/master/contributing.html + Double check that you are reading the most recent version of this document + at https://docs.scrapy.org/en/master/contributing.html + + By participating in this project you agree to abide by the terms of our + `Code of Conduct + `_. Please + report unacceptable behavior to opensource@zyte.com. There are many ways to contribute to Scrapy. Here are some of them: From 3d382aa650735827647093dfb157d5bd2f15efc1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Fri, 30 May 2025 09:33:17 +0200 Subject: [PATCH 498/786] Avoid raw HTML in the README (#6839) --- README.rst | 29 +++++++++++++++-------------- 1 file changed, 15 insertions(+), 14 deletions(-) diff --git a/README.rst b/README.rst index 5dc994570..536dec7f0 100644 --- a/README.rst +++ b/README.rst @@ -1,40 +1,41 @@ -.. raw:: html +|logo| -

- - Scrapy - -

+.. |logo| image:: https://raw.githubusercontent.com/scrapy/scrapy/master/docs/_static/logo.svg + :target: https://scrapy.org + :alt: Scrapy + :width: 480px -.. image:: https://img.shields.io/pypi/v/Scrapy.svg +|version| |python_version| |ubuntu| |macos| |windows| |coverage| |conda| |deepwiki| + +.. |version| image:: https://img.shields.io/pypi/v/Scrapy.svg :target: https://pypi.org/pypi/Scrapy :alt: PyPI Version -.. image:: https://img.shields.io/pypi/pyversions/Scrapy.svg +.. |python_version| image:: https://img.shields.io/pypi/pyversions/Scrapy.svg :target: https://pypi.org/pypi/Scrapy :alt: Supported Python Versions -.. image:: https://github.com/scrapy/scrapy/workflows/Ubuntu/badge.svg +.. |ubuntu| image:: https://github.com/scrapy/scrapy/workflows/Ubuntu/badge.svg :target: https://github.com/scrapy/scrapy/actions?query=workflow%3AUbuntu :alt: Ubuntu -.. image:: https://github.com/scrapy/scrapy/workflows/macOS/badge.svg +.. |macos| image:: https://github.com/scrapy/scrapy/workflows/macOS/badge.svg :target: https://github.com/scrapy/scrapy/actions?query=workflow%3AmacOS :alt: macOS -.. image:: https://github.com/scrapy/scrapy/workflows/Windows/badge.svg +.. |windows| image:: https://github.com/scrapy/scrapy/workflows/Windows/badge.svg :target: https://github.com/scrapy/scrapy/actions?query=workflow%3AWindows :alt: Windows -.. image:: https://img.shields.io/codecov/c/github/scrapy/scrapy/master.svg +.. |coverage| image:: https://img.shields.io/codecov/c/github/scrapy/scrapy/master.svg :target: https://codecov.io/github/scrapy/scrapy?branch=master :alt: Coverage report -.. image:: https://anaconda.org/conda-forge/scrapy/badges/version.svg +.. |conda| image:: https://anaconda.org/conda-forge/scrapy/badges/version.svg :target: https://anaconda.org/conda-forge/scrapy :alt: Conda Version -.. image:: https://deepwiki.com/badge.svg +.. |deepwiki| image:: https://deepwiki.com/badge.svg :target: https://deepwiki.com/scrapy/scrapy :alt: Ask DeepWiki From 54474ceb0d1467d90bf047415d1c1f135263d983 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Thu, 5 Jun 2025 18:02:31 +0500 Subject: [PATCH 499/786] Fix a regression in errback result handling. (#6863) --- scrapy/core/scraper.py | 17 ++++++++---- scrapy/logformatter.py | 4 +-- tests/test_crawl.py | 61 +++++++++++++++++++++++++++++++++++++++++- 3 files changed, 74 insertions(+), 8 deletions(-) diff --git a/scrapy/core/scraper.py b/scrapy/core/scraper.py index 9378f2651..975344103 100644 --- a/scrapy/core/scraper.py +++ b/scrapy/core/scraper.py @@ -188,6 +188,7 @@ class Scraper: ) assert self.crawler.spider + output: Iterable[Any] | AsyncIterator[Any] if isinstance(result, Response): try: # call the spider middlewares and the request callback with the response @@ -204,7 +205,7 @@ class Scraper: try: # call the request errback with the downloader error - await self.call_spider_async(result, request) + output = await self.call_spider_async(result, request) except Exception as spider_exc: # the errback didn't silence the exception if not result.check(IgnoreRequest): @@ -219,6 +220,8 @@ class Scraper: if spider_exc is not result.value: # the errback raised a different exception, handle it self.handle_spider_error(Failure(), request, result) + else: + await self.handle_spider_output_async(output, request, result) def call_spider( self, result: Response | Failure, request: Request, spider: Spider | None = None @@ -309,7 +312,7 @@ class Scraper: self, result: Iterable[_T] | AsyncIterator[_T], request: Request, - response: Response, + response: Response | Failure, spider: Spider | None = None, ) -> Deferred[None]: """Pass items/requests produced by a callback to ``_process_spidermw_output()`` in parallel.""" @@ -327,7 +330,7 @@ class Scraper: self, result: Iterable[_T] | AsyncIterator[_T], request: Request, - response: Response, + response: Response | Failure, ) -> None: """Pass items/requests produced by a callback to ``_process_spidermw_output()`` in parallel.""" if isinstance(result, AsyncIterator): @@ -352,7 +355,9 @@ class Scraper: ) @deferred_f_from_coro_f - async def _process_spidermw_output(self, output: Any, response: Response) -> None: + async def _process_spidermw_output( + self, output: Any, response: Response | Failure + ) -> None: """Process each Request/Item (given in the output parameter) returned from the given spider. @@ -368,7 +373,9 @@ class Scraper: ) @deferred_f_from_coro_f - async def start_itemproc(self, item: Any, *, response: Response | None) -> None: + async def start_itemproc( + self, item: Any, *, response: Response | Failure | None + ) -> None: """Send *item* to the item pipelines for processing. *response* is the source of the item data. If the item does not come diff --git a/scrapy/logformatter.py b/scrapy/logformatter.py index 4f08918ae..e81a9ec93 100644 --- a/scrapy/logformatter.py +++ b/scrapy/logformatter.py @@ -116,7 +116,7 @@ class LogFormatter: self, item: Any, exception: BaseException, - response: Response | None, + response: Response | Failure | None, spider: Spider, ) -> LogFormatterResult: """Logs a message when an item is dropped while it is passing through the item pipeline.""" @@ -137,7 +137,7 @@ class LogFormatter: self, item: Any, exception: BaseException, - response: Response | None, + response: Response | Failure | None, spider: Spider, ) -> LogFormatterResult: """Logs a message when an item causes an error while it is passing diff --git a/tests/test_crawl.py b/tests/test_crawl.py index b90706027..8289b2243 100644 --- a/tests/test_crawl.py +++ b/tests/test_crawl.py @@ -5,6 +5,7 @@ import logging import unittest from ipaddress import IPv4Address from socket import gethostbyname +from typing import Any from urllib.parse import urlparse import pytest @@ -419,6 +420,8 @@ with multiples lines class TestCrawlSpider(TestCase): + mockserver: MockServer + @classmethod def setUpClass(cls): cls.mockserver = MockServer() @@ -756,6 +759,34 @@ class TestCrawlSpider(TestCase): ) assert "Spider error processing" in str(log) + @defer.inlineCallbacks + def test_spider_errback_item(self): + def eb(failure: Failure) -> Any: + return {"foo": "bar"} + + crawler = get_crawler(SingleRequestSpider) + with LogCapture() as log: + yield crawler.crawl( + seed=self.mockserver.url("/status?n=400"), errback_func=eb + ) + assert "HTTP status code is not handled or not allowed" not in str(log) + assert "Spider error processing" not in str(log) + assert "'item_scraped_count': 1" in str(log) + + @defer.inlineCallbacks + def test_spider_errback_request(self): + def eb(failure: Failure) -> Request: + return Request(self.mockserver.url("/")) + + crawler = get_crawler(SingleRequestSpider) + with LogCapture() as log: + yield crawler.crawl( + seed=self.mockserver.url("/status?n=400"), errback_func=eb + ) + assert "HTTP status code is not handled or not allowed" not in str(log) + assert "Spider error processing" not in str(log) + assert "Crawled (200)" in str(log) + @defer.inlineCallbacks def test_spider_errback_downloader_error(self): failures = [] @@ -774,7 +805,7 @@ class TestCrawlSpider(TestCase): assert "Spider error processing" not in str(log) @defer.inlineCallbacks - def test_spider_errback_exception_downloader_error(self): + def test_spider_errback_downloader_error_exception(self): def eb(failure: Failure) -> None: raise ValueError("foo") @@ -786,6 +817,34 @@ class TestCrawlSpider(TestCase): assert "Error downloading" in str(log) assert "Spider error processing" in str(log) + @defer.inlineCallbacks + def test_spider_errback_downloader_error_item(self): + def eb(failure: Failure) -> Any: + return {"foo": "bar"} + + crawler = get_crawler(SingleRequestSpider) + with LogCapture() as log: + yield crawler.crawl( + seed=self.mockserver.url("/drop?abort=1"), errback_func=eb + ) + assert "HTTP status code is not handled or not allowed" not in str(log) + assert "Spider error processing" not in str(log) + assert "'item_scraped_count': 1" in str(log) + + @defer.inlineCallbacks + def test_spider_errback_downloader_error_request(self): + def eb(failure: Failure) -> Request: + return Request(self.mockserver.url("/")) + + crawler = get_crawler(SingleRequestSpider) + with LogCapture() as log: + yield crawler.crawl( + seed=self.mockserver.url("/drop?abort=1"), errback_func=eb + ) + assert "HTTP status code is not handled or not allowed" not in str(log) + assert "Spider error processing" not in str(log) + assert "Crawled (200)" in str(log) + @defer.inlineCallbacks def test_raise_closespider(self): def cb(response): From b20995c9d8dd00618ae71d0f64cdc53f6d669cf2 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Fri, 6 Jun 2025 13:16:48 +0500 Subject: [PATCH 500/786] Silence a typing error. --- scrapy/core/scraper.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scrapy/core/scraper.py b/scrapy/core/scraper.py index 975344103..ac720e03f 100644 --- a/scrapy/core/scraper.py +++ b/scrapy/core/scraper.py @@ -193,7 +193,7 @@ class Scraper: try: # call the spider middlewares and the request callback with the response output = await maybe_deferred_to_future( - self.spidermw.scrape_response( + self.spidermw.scrape_response( # type: ignore[arg-type] self.call_spider, result, request, self.crawler.spider ) ) From d99234a33f02f7dd5fb06d167ec78266b7f4dfeb Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Fri, 6 Jun 2025 14:54:21 +0500 Subject: [PATCH 501/786] Install the reactor explicitly in CrawlerRunner examples. (#6865) --- docs/topics/practices.rst | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/docs/topics/practices.rst b/docs/topics/practices.rst index db91cd073..b3c881b81 100644 --- a/docs/topics/practices.rst +++ b/docs/topics/practices.rst @@ -95,6 +95,7 @@ reactor after ``MySpider`` has finished running. import scrapy from scrapy.crawler import CrawlerRunner from scrapy.utils.log import configure_logging + from scrapy.utils.reactor import install_reactor class MySpider(scrapy.Spider): @@ -102,6 +103,7 @@ reactor after ``MySpider`` has finished running. ... + install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") configure_logging({"LOG_FORMAT": "%(levelname)s: %(message)s"}) runner = CrawlerRunner() @@ -112,26 +114,26 @@ reactor after ``MySpider`` has finished running. d.addBoth(lambda _: reactor.stop()) reactor.run() # the script will block here until the crawling is finished -Same example but using a non-default reactor, it's only necessary call -``install_reactor`` if you are using ``CrawlerRunner`` since ``CrawlerProcess`` already does this automatically. +Same example but using a different reactor. .. code-block:: python import scrapy from scrapy.crawler import CrawlerRunner from scrapy.utils.log import configure_logging + from scrapy.utils.reactor import install_reactor class MySpider(scrapy.Spider): + custom_settings = { + "TWISTED_REACTOR": "twisted.internet.epollreactor.EPollReactor", + } # Your spider definition ... + install_reactor("twisted.internet.epollreactor.EPollReactor") configure_logging({"LOG_FORMAT": "%(levelname)s: %(message)s"}) - - from scrapy.utils.reactor import install_reactor - - install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") runner = CrawlerRunner() d = runner.crawl(MySpider) @@ -184,6 +186,7 @@ Same example using :class:`~scrapy.crawler.CrawlerRunner`: from scrapy.crawler import CrawlerRunner from scrapy.utils.log import configure_logging from scrapy.utils.project import get_project_settings + from scrapy.utils.reactor import install_reactor class MySpider1(scrapy.Spider): @@ -196,6 +199,7 @@ Same example using :class:`~scrapy.crawler.CrawlerRunner`: ... + install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") configure_logging() settings = get_project_settings() runner = CrawlerRunner(settings) @@ -217,6 +221,7 @@ Same example but running the spiders sequentially by chaining the deferreds: from scrapy.crawler import CrawlerRunner from scrapy.utils.log import configure_logging from scrapy.utils.project import get_project_settings + from scrapy.utils.reactor import install_reactor class MySpider1(scrapy.Spider): @@ -229,6 +234,7 @@ Same example but running the spiders sequentially by chaining the deferreds: ... + install_reactor("twisted.internet.asyncioreactor.AsyncioSelectorReactor") settings = get_project_settings() configure_logging(settings) runner = CrawlerRunner(settings) From 405d9bc8a247cfec4d698310c425112c456f134f Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Fri, 6 Jun 2025 15:59:49 +0500 Subject: [PATCH 502/786] More docs for the is_asyncio_reactor_installed() behavior change. (#6866) --- docs/news.rst | 9 +++++++++ scrapy/utils/reactor.py | 5 +++++ scrapy/utils/test.py | 7 ++++++- 3 files changed, 20 insertions(+), 1 deletion(-) diff --git a/docs/news.rst b/docs/news.rst index ef3b549e7..8b1d51674 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -126,6 +126,15 @@ Backward-incompatible changes also enforced for start requests. (:issue:`6777`) +- Calling :func:`scrapy.utils.reactor.is_asyncio_reactor_installed` without + an installed reactor now raises an exception instead of installing a + reactor. This shouldn't affect normal Scrapy use cases, but it may affect + 3rd-party test suites that use Scrapy internals such as + :class:`~scrapy.crawler.Crawler` and don't install a reactor explicitly. If + you are affected by this change, you most likely need to install the + reactor before running Scrapy code that expects it to be installed. + (:issue:`6732`, :issue:`6735`) + - The ``from_settings()`` method of :class:`~scrapy.spidermiddlewares.urllength.UrlLengthMiddleware`, deprecated in Scrapy 2.12.0, is removed earlier than the usual deprecation diff --git a/scrapy/utils/reactor.py b/scrapy/utils/reactor.py index 9c2754394..1b179f988 100644 --- a/scrapy/utils/reactor.py +++ b/scrapy/utils/reactor.py @@ -202,6 +202,11 @@ def is_asyncio_reactor_installed() -> bool: """Check whether the installed reactor is :class:`~twisted.internet.asyncioreactor.AsyncioSelectorReactor`. Raise a :exc:`RuntimeError` if no reactor is installed. + + .. versionchanged:: 2.13 + In earlier Scrapy versions this function silently installed the default + reactor if there was no reactor installed. Now it raises an exception to + prevent silent problems in this case. """ if not is_reactor_installed(): raise RuntimeError( diff --git a/scrapy/utils/test.py b/scrapy/utils/test.py index 2da526cd8..4a732bd72 100644 --- a/scrapy/utils/test.py +++ b/scrapy/utils/test.py @@ -18,7 +18,7 @@ from twisted.trial.unittest import SkipTest from scrapy.exceptions import ScrapyDeprecationWarning from scrapy.utils.boto import is_botocore_available from scrapy.utils.deprecate import create_deprecated_class -from scrapy.utils.reactor import is_asyncio_reactor_installed +from scrapy.utils.reactor import is_asyncio_reactor_installed, is_reactor_installed from scrapy.utils.spider import DefaultSpider if TYPE_CHECKING: @@ -117,6 +117,11 @@ def get_reactor_settings() -> dict[str, Any]: settings, so tests that run the crawler in the current process may need to pass a correct ``"TWISTED_REACTOR"`` setting value when creating it. """ + if not is_reactor_installed(): + raise RuntimeError( + "get_reactor_settings() called without an installed reactor," + " you may need to install a reactor explicitly when running your tests." + ) settings: dict[str, Any] = {} if not is_asyncio_reactor_installed(): settings["TWISTED_REACTOR"] = None From 657e6cb2b57d52005740e92543c1270dbaf61ded Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Fri, 6 Jun 2025 16:02:15 +0500 Subject: [PATCH 503/786] Don't try to close ExecutionEngine.downloader when it doesn't exist. (#6867) --- scrapy/core/engine.py | 3 ++- tests/test_engine.py | 14 ++++++++++++++ 2 files changed, 16 insertions(+), 1 deletion(-) diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index d9361a674..fe635dc82 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -174,7 +174,8 @@ class ExecutionEngine: return self.close_spider( self.spider, reason="shutdown" ) # will also close downloader - self.downloader.close() + if hasattr(self, "downloader"): + self.downloader.close() return succeed(None) def pause(self) -> None: diff --git a/tests/test_engine.py b/tests/test_engine.py index 1f79a081d..9f618437c 100644 --- a/tests/test_engine.py +++ b/tests/test_engine.py @@ -22,6 +22,7 @@ from unittest.mock import Mock from urllib.parse import urlparse import attr +import pytest from itemadapter import ItemAdapter from pydispatch import dispatcher from twisted.internet import defer @@ -433,6 +434,19 @@ class TestEngine(TestEngineBase): e = ExecutionEngine(get_crawler(MySpider), lambda _: None) yield e.close() + def test_close_without_downloader(self): + class CustomException(Exception): + pass + + class BadDownloader: + def __init__(self, crawler): + raise CustomException + + with pytest.raises(CustomException): + ExecutionEngine( + get_crawler(MySpider, {"DOWNLOADER": BadDownloader}), lambda _: None + ) + @defer.inlineCallbacks def test_start_already_running_exception(self): e = ExecutionEngine(get_crawler(MySpider), lambda _: None) From d329eedfefd9a1fa7006e6d0a214e9d5e01a8e0c Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Fri, 6 Jun 2025 16:02:15 +0500 Subject: [PATCH 504/786] Don't try to close ExecutionEngine.downloader when it doesn't exist. (#6867) --- scrapy/core/engine.py | 3 ++- tests/test_engine.py | 14 ++++++++++++++ 2 files changed, 16 insertions(+), 1 deletion(-) diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index 7f5dd0405..0df9ad2b2 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -170,7 +170,8 @@ class ExecutionEngine: return self.close_spider( self.spider, reason="shutdown" ) # will also close downloader - self.downloader.close() + if hasattr(self, "downloader"): + self.downloader.close() return succeed(None) def pause(self) -> None: diff --git a/tests/test_engine.py b/tests/test_engine.py index b60b510b2..b2e436425 100644 --- a/tests/test_engine.py +++ b/tests/test_engine.py @@ -22,6 +22,7 @@ from unittest.mock import Mock from urllib.parse import urlparse import attr +import pytest from itemadapter import ItemAdapter from pydispatch import dispatcher from twisted.internet import defer, reactor @@ -431,6 +432,19 @@ class TestEngine(TestEngineBase): e = ExecutionEngine(get_crawler(MySpider), lambda _: None) yield e.close() + def test_close_without_downloader(self): + class CustomException(Exception): + pass + + class BadDownloader: + def __init__(self, crawler): + raise CustomException + + with pytest.raises(CustomException): + ExecutionEngine( + get_crawler(MySpider, {"DOWNLOADER": BadDownloader}), lambda _: None + ) + @defer.inlineCallbacks def test_start_already_running_exception(self): e = ExecutionEngine(get_crawler(MySpider), lambda _: None) From 744edb9ba9e293ddccfcfa03e0aef0a7c0da14b0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Fri, 6 Jun 2025 16:09:51 +0200 Subject: [PATCH 505/786] Make scrapy fetch work with scrapy-poet (#6872) --- scrapy/commands/fetch.py | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/scrapy/commands/fetch.py b/scrapy/commands/fetch.py index ef6e13de2..0aaff6c25 100644 --- a/scrapy/commands/fetch.py +++ b/scrapy/commands/fetch.py @@ -1,6 +1,7 @@ from __future__ import annotations import sys +from argparse import Namespace # noqa: TC003 from typing import TYPE_CHECKING from w3lib.url import is_url @@ -12,7 +13,7 @@ from scrapy.utils.datatypes import SequenceExclude from scrapy.utils.spider import DefaultSpider, spidercls_for_request if TYPE_CHECKING: - from argparse import ArgumentParser, Namespace + from argparse import ArgumentParser from scrapy import Spider From d8251332845d48d2418f0055c27686cee04b5b9a Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Sat, 7 Jun 2025 01:59:09 +0500 Subject: [PATCH 506/786] Reduce deps on unittest, unify inlineCallbacks imports in tests. (#6873) --- tests/test_closespider.py | 16 +- tests/test_command_fetch.py | 10 +- tests/test_command_parse.py | 42 ++-- tests/test_command_runspider.py | 5 +- tests/test_command_shell.py | 39 ++-- tests/test_command_version.py | 6 +- tests/test_contracts.py | 4 +- tests/test_crawl.py | 135 +++++++------ tests/test_dependencies.py | 12 -- tests/test_downloader_handlers.py | 2 +- tests/test_downloader_handlers_http_base.py | 12 +- ...st_downloadermiddleware_httpcompression.py | 35 ++-- tests/test_downloadermiddleware_robotstxt.py | 8 +- tests/test_downloaderslotssettings.py | 4 +- tests/test_engine.py | 24 +-- tests/test_engine_stop_download_bytes.py | 4 +- tests/test_engine_stop_download_headers.py | 4 +- tests/test_exporters.py | 3 +- tests/test_extension_periodic_log.py | 3 +- tests/test_extension_telnet.py | 12 +- tests/test_feedexport.py | 179 +++++++++--------- tests/test_http2_client_protocol.py | 4 +- tests/test_logformatter.py | 6 +- tests/test_pipeline_crawl.py | 12 +- tests/test_pipeline_files.py | 22 +-- tests/test_pipelines.py | 13 +- tests/test_proxy_connect.py | 8 +- tests/test_request_attribute_binding.py | 16 +- tests/test_request_cb_kwargs.py | 4 +- tests/test_request_left.py | 10 +- tests/test_scheduler.py | 6 +- tests/test_scheduler_base.py | 5 +- tests/test_signals.py | 4 +- tests/test_spidermiddleware.py | 15 +- tests/test_spidermiddleware_httperror.py | 8 +- tests/test_spidermiddleware_output_chain.py | 26 +-- tests/test_squeues_request.py | 13 +- tests/test_utils_log.py | 13 +- tests/test_utils_signal.py | 3 +- tests/test_utils_trackref.py | 4 +- tests/test_utils_url.py | 3 +- tests/test_webclient.py | 35 ++-- 42 files changed, 380 insertions(+), 409 deletions(-) diff --git a/tests/test_closespider.py b/tests/test_closespider.py index 4a17b254b..c6ec690a1 100644 --- a/tests/test_closespider.py +++ b/tests/test_closespider.py @@ -1,4 +1,4 @@ -from twisted.internet import defer +from twisted.internet.defer import inlineCallbacks from twisted.trial.unittest import TestCase from scrapy.utils.test import get_crawler @@ -22,7 +22,7 @@ class TestCloseSpider(TestCase): def tearDownClass(cls): cls.mockserver.__exit__(None, None, None) - @defer.inlineCallbacks + @inlineCallbacks def test_closespider_itemcount(self): close_on = 5 crawler = get_crawler(ItemSpider, {"CLOSESPIDER_ITEMCOUNT": close_on}) @@ -32,7 +32,7 @@ class TestCloseSpider(TestCase): itemcount = crawler.stats.get_value("item_scraped_count") assert itemcount >= close_on - @defer.inlineCallbacks + @inlineCallbacks def test_closespider_pagecount(self): close_on = 5 crawler = get_crawler(FollowAllSpider, {"CLOSESPIDER_PAGECOUNT": close_on}) @@ -42,7 +42,7 @@ class TestCloseSpider(TestCase): pagecount = crawler.stats.get_value("response_received_count") assert pagecount >= close_on - @defer.inlineCallbacks + @inlineCallbacks def test_closespider_pagecount_no_item(self): close_on = 5 max_items = 5 @@ -62,7 +62,7 @@ class TestCloseSpider(TestCase): itemcount = crawler.stats.get_value("item_scraped_count") assert pagecount <= close_on + itemcount - @defer.inlineCallbacks + @inlineCallbacks def test_closespider_pagecount_no_item_with_pagecount(self): close_on_pagecount_no_item = 5 close_on_pagecount = 20 @@ -79,7 +79,7 @@ class TestCloseSpider(TestCase): pagecount = crawler.stats.get_value("response_received_count") assert pagecount < close_on_pagecount - @defer.inlineCallbacks + @inlineCallbacks def test_closespider_errorcount(self): close_on = 5 crawler = get_crawler(ErrorSpider, {"CLOSESPIDER_ERRORCOUNT": close_on}) @@ -91,7 +91,7 @@ class TestCloseSpider(TestCase): assert crawler.stats.get_value("spider_exceptions/count") >= close_on assert errorcount >= close_on - @defer.inlineCallbacks + @inlineCallbacks def test_closespider_timeout(self): close_on = 0.1 crawler = get_crawler(FollowAllSpider, {"CLOSESPIDER_TIMEOUT": close_on}) @@ -101,7 +101,7 @@ class TestCloseSpider(TestCase): total_seconds = crawler.stats.get_value("elapsed_time_seconds") assert total_seconds >= close_on - @defer.inlineCallbacks + @inlineCallbacks def test_closespider_timeout_no_item(self): timeout = 1 crawler = get_crawler(SlowSpider, {"CLOSESPIDER_TIMEOUT_NO_ITEM": timeout}) diff --git a/tests/test_command_fetch.py b/tests/test_command_fetch.py index a31cada85..89f664336 100644 --- a/tests/test_command_fetch.py +++ b/tests/test_command_fetch.py @@ -1,4 +1,4 @@ -from twisted.internet import defer +from twisted.internet.defer import inlineCallbacks from twisted.trial import unittest from tests.utils.testproc import ProcessTest @@ -8,17 +8,17 @@ from tests.utils.testsite import SiteTest class TestFetchCommand(ProcessTest, SiteTest, unittest.TestCase): command = "fetch" - @defer.inlineCallbacks + @inlineCallbacks def test_output(self): _, out, _ = yield self.execute([self.url("/text")]) assert out.strip() == b"Works" - @defer.inlineCallbacks + @inlineCallbacks def test_redirect_default(self): _, out, _ = yield self.execute([self.url("/redirect")]) assert out.strip() == b"Redirected here" - @defer.inlineCallbacks + @inlineCallbacks def test_redirect_disabled(self): _, out, err = yield self.execute( ["--no-redirect", self.url("/redirect-no-meta-refresh")] @@ -27,7 +27,7 @@ class TestFetchCommand(ProcessTest, SiteTest, unittest.TestCase): assert b"downloader/response_status_count/302" in err, err assert b"downloader/response_status_count/200" not in err, err - @defer.inlineCallbacks + @inlineCallbacks def test_headers(self): _, out, _ = yield self.execute([self.url("/text"), "--headers"]) out = out.replace(b"\r", b"") # required on win32 diff --git a/tests/test_command_parse.py b/tests/test_command_parse.py index 9e66d319c..6681aba17 100644 --- a/tests/test_command_parse.py +++ b/tests/test_command_parse.py @@ -3,7 +3,7 @@ import os import re from pathlib import Path -from twisted.internet import defer +from twisted.internet.defer import inlineCallbacks from scrapy.commands import parse from scrapy.settings import Settings @@ -171,7 +171,7 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} """ ) - @defer.inlineCallbacks + @inlineCallbacks def test_spider_arguments(self): _, _, stderr = yield self.execute( [ @@ -187,7 +187,7 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} ) assert "DEBUG: It Works!" in _textmode(stderr) - @defer.inlineCallbacks + @inlineCallbacks def test_request_with_meta(self): raw_json_string = '{"foo" : "baz"}' _, _, stderr = yield self.execute( @@ -218,7 +218,7 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} ) assert "DEBUG: It Works!" in _textmode(stderr) - @defer.inlineCallbacks + @inlineCallbacks def test_request_with_cb_kwargs(self): raw_json_string = '{"foo" : "bar", "key": "value"}' _, _, stderr = yield self.execute( @@ -239,7 +239,7 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} "DEBUG: request.callback signature: (response, foo=None, key=None)" in log ) - @defer.inlineCallbacks + @inlineCallbacks def test_request_without_meta(self): _, _, stderr = yield self.execute( [ @@ -253,7 +253,7 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} ) assert "DEBUG: It Works!" in _textmode(stderr) - @defer.inlineCallbacks + @inlineCallbacks def test_pipelines(self): _, _, stderr = yield self.execute( [ @@ -268,7 +268,7 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} ) assert "INFO: It Works!" in _textmode(stderr) - @defer.inlineCallbacks + @inlineCallbacks def test_async_def_asyncio_parse_items_list(self): status, out, stderr = yield self.execute( [ @@ -283,7 +283,7 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} assert "{'id': 1}" in _textmode(out) assert "{'id': 2}" in _textmode(out) - @defer.inlineCallbacks + @inlineCallbacks def test_async_def_asyncio_parse_items_single_element(self): status, out, stderr = yield self.execute( [ @@ -297,7 +297,7 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} assert "INFO: Got response 200" in _textmode(stderr) assert "{'foo': 42}" in _textmode(out) - @defer.inlineCallbacks + @inlineCallbacks def test_async_def_asyncgen_parse_loop(self): status, out, stderr = yield self.execute( [ @@ -312,7 +312,7 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} for i in range(10): assert f"{{'foo': {i}}}" in _textmode(out) - @defer.inlineCallbacks + @inlineCallbacks def test_async_def_asyncgen_parse_exc(self): status, out, stderr = yield self.execute( [ @@ -327,7 +327,7 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} for i in range(7): assert f"{{'foo': {i}}}" in _textmode(out) - @defer.inlineCallbacks + @inlineCallbacks def test_async_def_asyncio_parse(self): _, _, stderr = yield self.execute( [ @@ -340,21 +340,21 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} ) assert "DEBUG: Got response 200" in _textmode(stderr) - @defer.inlineCallbacks + @inlineCallbacks def test_parse_items(self): status, out, stderr = yield self.execute( ["--spider", self.spider_name, "-c", "parse", self.url("/html")] ) assert "[{}, {'foo': 'bar'}]" in _textmode(out) - @defer.inlineCallbacks + @inlineCallbacks def test_parse_items_no_callback_passed(self): status, out, stderr = yield self.execute( ["--spider", self.spider_name, self.url("/html")] ) assert "[{}, {'foo': 'bar'}]" in _textmode(out) - @defer.inlineCallbacks + @inlineCallbacks def test_wrong_callback_passed(self): status, out, stderr = yield self.execute( ["--spider", self.spider_name, "-c", "dummy", self.url("/html")] @@ -362,7 +362,7 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} assert re.search(r"# Scraped Items -+\n\[\]", _textmode(out)) assert "Cannot find callback" in _textmode(stderr) - @defer.inlineCallbacks + @inlineCallbacks def test_crawlspider_matching_rule_callback_set(self): """If a rule matches the URL, use it's defined callback.""" status, out, stderr = yield self.execute( @@ -370,7 +370,7 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} ) assert "[{}, {'foo': 'bar'}]" in _textmode(out) - @defer.inlineCallbacks + @inlineCallbacks def test_crawlspider_matching_rule_default_callback(self): """If a rule match but it has no callback set, use the 'parse' callback.""" status, out, stderr = yield self.execute( @@ -378,7 +378,7 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} ) assert "[{}, {'nomatch': 'default'}]" in _textmode(out) - @defer.inlineCallbacks + @inlineCallbacks def test_spider_with_no_rules_attribute(self): """Using -r with a spider with no rule should not produce items.""" status, out, stderr = yield self.execute( @@ -387,14 +387,14 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} assert re.search(r"# Scraped Items -+\n\[\]", _textmode(out)) assert "No CrawlSpider rules found" in _textmode(stderr) - @defer.inlineCallbacks + @inlineCallbacks def test_crawlspider_missing_callback(self): status, out, stderr = yield self.execute( ["--spider", "badcrawl" + self.spider_name, "-r", self.url("/html")] ) assert re.search(r"# Scraped Items -+\n\[\]", _textmode(out)) - @defer.inlineCallbacks + @inlineCallbacks def test_crawlspider_no_matching_rule(self): """The requested URL has no matching rule, so no items should be scraped""" status, out, stderr = yield self.execute( @@ -403,12 +403,12 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} assert re.search(r"# Scraped Items -+\n\[\]", _textmode(out)) assert "Cannot find a rule that matches" in _textmode(stderr) - @defer.inlineCallbacks + @inlineCallbacks def test_crawlspider_not_exists_with_not_matched_url(self): status, out, stderr = yield self.execute([self.url("/invalid_url")]) assert status == 0 - @defer.inlineCallbacks + @inlineCallbacks def test_output_flag(self): """Checks if a file was created successfully having correct format containing correct data in it. diff --git a/tests/test_command_runspider.py b/tests/test_command_runspider.py index c57c09249..7f8d9fb61 100644 --- a/tests/test_command_runspider.py +++ b/tests/test_command_runspider.py @@ -10,7 +10,6 @@ from typing import TYPE_CHECKING from unittest import skipIf import pytest -from twisted.trial import unittest from tests.test_commands import TestCommandBase from tests.test_crawler import ExceptionSpider, NoRequestsSpider @@ -376,7 +375,7 @@ class TestWindowsRunSpiderCommand(TestRunSpiderCommand): def setUp(self): if platform.system() != "Windows": - raise unittest.SkipTest("Windows required for .pyw files") + pytest.skip("Windows required for .pyw files") return super().setUp() def test_start_errors(self): @@ -385,4 +384,4 @@ class TestWindowsRunSpiderCommand(TestRunSpiderCommand): assert "badspider.pyw" in log def test_runspider_unable_to_load(self): - raise unittest.SkipTest("Already Tested in 'RunSpiderCommandTest' ") + pytest.skip("Already Tested in 'RunSpiderCommandTest' ") diff --git a/tests/test_command_shell.py b/tests/test_command_shell.py index 8041e7cb1..d9f17d76b 100644 --- a/tests/test_command_shell.py +++ b/tests/test_command_shell.py @@ -3,8 +3,9 @@ import sys from io import BytesIO from pathlib import Path +import pytest from pexpect.popen_spawn import PopenSpawn -from twisted.internet import defer +from twisted.internet.defer import inlineCallbacks from twisted.trial import unittest from scrapy.utils.reactor import _asyncio_reactor_path @@ -17,52 +18,52 @@ from tests.utils.testsite import SiteTest class TestShellCommand(ProcessTest, SiteTest, unittest.TestCase): command = "shell" - @defer.inlineCallbacks + @inlineCallbacks def test_empty(self): _, out, _ = yield self.execute(["-c", "item"]) assert b"{}" in out - @defer.inlineCallbacks + @inlineCallbacks def test_response_body(self): _, out, _ = yield self.execute([self.url("/text"), "-c", "response.body"]) assert b"Works" in out - @defer.inlineCallbacks + @inlineCallbacks def test_response_type_text(self): _, out, _ = yield self.execute([self.url("/text"), "-c", "type(response)"]) assert b"TextResponse" in out - @defer.inlineCallbacks + @inlineCallbacks def test_response_type_html(self): _, out, _ = yield self.execute([self.url("/html"), "-c", "type(response)"]) assert b"HtmlResponse" in out - @defer.inlineCallbacks + @inlineCallbacks def test_response_selector_html(self): xpath = "response.xpath(\"//p[@class='one']/text()\").get()" _, out, _ = yield self.execute([self.url("/html"), "-c", xpath]) assert out.strip() == b"Works" - @defer.inlineCallbacks + @inlineCallbacks def test_response_encoding_gb18030(self): _, out, _ = yield self.execute( [self.url("/enc-gb18030"), "-c", "response.encoding"] ) assert out.strip() == b"gb18030" - @defer.inlineCallbacks + @inlineCallbacks def test_redirect(self): _, out, _ = yield self.execute([self.url("/redirect"), "-c", "response.url"]) assert out.strip().endswith(b"/redirected") - @defer.inlineCallbacks + @inlineCallbacks def test_redirect_follow_302(self): _, out, _ = yield self.execute( [self.url("/redirect-no-meta-refresh"), "-c", "response.status"] ) assert out.strip().endswith(b"200") - @defer.inlineCallbacks + @inlineCallbacks def test_redirect_not_follow_302(self): _, out, _ = yield self.execute( [ @@ -74,7 +75,7 @@ class TestShellCommand(ProcessTest, SiteTest, unittest.TestCase): ) assert out.strip().endswith(b"302") - @defer.inlineCallbacks + @inlineCallbacks def test_fetch_redirect_follow_302(self): """Test that calling ``fetch(url)`` follows HTTP redirects by default.""" url = self.url("/redirect-no-meta-refresh") @@ -84,7 +85,7 @@ class TestShellCommand(ProcessTest, SiteTest, unittest.TestCase): assert b"Redirecting (302)" in errout assert b"Crawled (200)" in errout - @defer.inlineCallbacks + @inlineCallbacks def test_fetch_redirect_not_follow_302(self): """Test that calling ``fetch(url, redirect=False)`` disables automatic redirects.""" url = self.url("/redirect-no-meta-refresh") @@ -93,27 +94,27 @@ class TestShellCommand(ProcessTest, SiteTest, unittest.TestCase): assert errcode == 0, out assert b"Crawled (302)" in errout - @defer.inlineCallbacks + @inlineCallbacks def test_request_replace(self): url = self.url("/text") code = f"fetch('{url}') or fetch(response.request.replace(method='POST'))" errcode, out, _ = yield self.execute(["-c", code]) assert errcode == 0, out - @defer.inlineCallbacks + @inlineCallbacks def test_scrapy_import(self): url = self.url("/text") code = f"fetch(scrapy.Request('{url}'))" errcode, out, _ = yield self.execute(["-c", code]) assert errcode == 0, out - @defer.inlineCallbacks + @inlineCallbacks def test_local_file(self): filepath = Path(tests_datadir, "test_site", "index.html") _, out, _ = yield self.execute([str(filepath), "-c", "item"]) assert b"{}" in out - @defer.inlineCallbacks + @inlineCallbacks def test_local_nofile(self): filepath = "file:///tests/sample_data/test_site/nothinghere.html" errcode, out, err = yield self.execute( @@ -122,16 +123,16 @@ class TestShellCommand(ProcessTest, SiteTest, unittest.TestCase): assert errcode == 1, out or err assert b"No such file or directory" in err - @defer.inlineCallbacks + @inlineCallbacks def test_dns_failures(self): if NON_EXISTING_RESOLVABLE: - raise unittest.SkipTest("Non-existing hosts are resolvable") + pytest.skip("Non-existing hosts are resolvable") url = "www.somedomainthatdoesntexi.st" errcode, out, err = yield self.execute([url, "-c", "item"], check_code=False) assert errcode == 1, out or err assert b"DNS lookup failed" in err - @defer.inlineCallbacks + @inlineCallbacks def test_shell_fetch_async(self): url = self.url("/html") code = f"fetch('{url}')" diff --git a/tests/test_command_version.py b/tests/test_command_version.py index a61a6a32b..87dfb16df 100644 --- a/tests/test_command_version.py +++ b/tests/test_command_version.py @@ -1,6 +1,6 @@ import sys -from twisted.internet import defer +from twisted.internet.defer import inlineCallbacks from twisted.trial import unittest import scrapy @@ -10,13 +10,13 @@ from tests.utils.testproc import ProcessTest class TestVersionCommand(ProcessTest, unittest.TestCase): command = "version" - @defer.inlineCallbacks + @inlineCallbacks def test_output(self): encoding = sys.stdout.encoding or "utf-8" _, out, _ = yield self.execute([]) assert out.strip().decode(encoding) == f"Scrapy {scrapy.__version__}" - @defer.inlineCallbacks + @inlineCallbacks def test_verbose_output(self): encoding = sys.stdout.encoding or "utf-8" _, out, _ = yield self.execute(["-v"]) diff --git a/tests/test_contracts.py b/tests/test_contracts.py index 26b16a1d4..ad3efa042 100644 --- a/tests/test_contracts.py +++ b/tests/test_contracts.py @@ -1,7 +1,7 @@ from unittest import TextTestResult import pytest -from twisted.internet import defer +from twisted.internet.defer import inlineCallbacks from twisted.python import failure from twisted.trial import unittest @@ -502,7 +502,7 @@ class TestContractsManager(unittest.TestCase): assert not self.results.failures assert self.results.errors - @defer.inlineCallbacks + @inlineCallbacks def test_same_url(self): class TestSameUrlSpider(Spider): name = "test_same_url" diff --git a/tests/test_crawl.py b/tests/test_crawl.py index 8289b2243..4c1f6216b 100644 --- a/tests/test_crawl.py +++ b/tests/test_crawl.py @@ -2,7 +2,6 @@ from __future__ import annotations import json import logging -import unittest from ipaddress import IPv4Address from socket import gethostbyname from typing import Any @@ -10,7 +9,7 @@ from urllib.parse import urlparse import pytest from testfixtures import LogCapture -from twisted.internet import defer +from twisted.internet.defer import inlineCallbacks from twisted.internet.ssl import Certificate from twisted.python.failure import Failure from twisted.trial.unittest import TestCase @@ -67,21 +66,21 @@ class TestCrawl(TestCase): def tearDownClass(cls): cls.mockserver.__exit__(None, None, None) - @defer.inlineCallbacks + @inlineCallbacks def test_follow_all(self): crawler = get_crawler(FollowAllSpider) yield crawler.crawl(mockserver=self.mockserver) assert len(crawler.spider.urls_visited) == 11 # 10 + start_url - @defer.inlineCallbacks + @inlineCallbacks def test_fixed_delay(self): yield self._test_delay(total=3, delay=0.2) - @defer.inlineCallbacks + @inlineCallbacks def test_randomized_delay(self): yield self._test_delay(total=3, delay=0.1, randomize=True) - @defer.inlineCallbacks + @inlineCallbacks def _test_delay(self, total, delay, randomize=False): crawl_kwargs = { "maxlatency": delay * 2, @@ -110,7 +109,7 @@ class TestCrawl(TestCase): average = total_time / (len(times) - 1) assert average <= delay / tolerance, "test total or delay values are too small" - @defer.inlineCallbacks + @inlineCallbacks def test_timeout_success(self): crawler = get_crawler(DelaySpider) yield crawler.crawl(n=0.5, mockserver=self.mockserver) @@ -118,7 +117,7 @@ class TestCrawl(TestCase): assert crawler.spider.t2 > 0 assert crawler.spider.t2 > crawler.spider.t1 - @defer.inlineCallbacks + @inlineCallbacks def test_timeout_failure(self): crawler = get_crawler(DelaySpider, {"DOWNLOAD_TIMEOUT": 0.35}) yield crawler.crawl(n=0.5, mockserver=self.mockserver) @@ -135,7 +134,7 @@ class TestCrawl(TestCase): assert crawler.spider.t2_err > 0 assert crawler.spider.t2_err > crawler.spider.t1 - @defer.inlineCallbacks + @inlineCallbacks def test_retry_503(self): crawler = get_crawler(SimpleSpider) with LogCapture() as log: @@ -144,7 +143,7 @@ class TestCrawl(TestCase): ) self._assert_retried(log) - @defer.inlineCallbacks + @inlineCallbacks def test_retry_conn_failed(self): crawler = get_crawler(SimpleSpider) with LogCapture() as log: @@ -153,10 +152,10 @@ class TestCrawl(TestCase): ) self._assert_retried(log) - @defer.inlineCallbacks + @inlineCallbacks def test_retry_dns_error(self): if NON_EXISTING_RESOLVABLE: - raise unittest.SkipTest("Non-existing hosts are resolvable") + pytest.skip("Non-existing hosts are resolvable") crawler = get_crawler(SimpleSpider) with LogCapture() as log: # try to fetch the homepage of a nonexistent domain @@ -165,7 +164,7 @@ class TestCrawl(TestCase): ) self._assert_retried(log) - @defer.inlineCallbacks + @inlineCallbacks def test_start_bug_before_yield(self): with LogCapture("scrapy", level=logging.ERROR) as log: crawler = get_crawler(BrokenStartSpider) @@ -176,7 +175,7 @@ class TestCrawl(TestCase): assert record.exc_info is not None assert record.exc_info[0] is ZeroDivisionError - @defer.inlineCallbacks + @inlineCallbacks def test_start_bug_yielding(self): with LogCapture("scrapy", level=logging.ERROR) as log: crawler = get_crawler(BrokenStartSpider) @@ -187,7 +186,7 @@ class TestCrawl(TestCase): assert record.exc_info is not None assert record.exc_info[0] is ZeroDivisionError - @defer.inlineCallbacks + @inlineCallbacks def test_start_items(self): items = [] @@ -202,7 +201,7 @@ class TestCrawl(TestCase): assert len(log.records) == 0 assert items == [{"name": "test item"}] - @defer.inlineCallbacks + @inlineCallbacks def test_start_unsupported_output(self): """Anything that is not a request is assumed to be an item, avoiding a potentially expensive call to itemadapter.is_item(), and letting @@ -223,7 +222,7 @@ class TestCrawl(TestCase): assert len(items) == 3 assert not any(isinstance(item, Request) for item in items) - @defer.inlineCallbacks + @inlineCallbacks def test_start_dupes(self): settings = {"CONCURRENT_REQUESTS": 1} crawler = get_crawler(DuplicateStartSpider, settings) @@ -241,7 +240,7 @@ class TestCrawl(TestCase): ) assert crawler.spider.visited == 3 - @defer.inlineCallbacks + @inlineCallbacks def test_unbounded_response(self): # Completeness of responses without Content-Length or Transfer-Encoding # can not be determined, we treat them as valid but flagged as "partial" @@ -275,7 +274,7 @@ with multiples lines ) assert str(log).count("Got response 200") == 1 - @defer.inlineCallbacks + @inlineCallbacks def test_retry_conn_lost(self): # connection lost after receiving data crawler = get_crawler(SimpleSpider) @@ -285,7 +284,7 @@ with multiples lines ) self._assert_retried(log) - @defer.inlineCallbacks + @inlineCallbacks def test_retry_conn_aborted(self): # connection lost before receiving data crawler = get_crawler(SimpleSpider) @@ -299,7 +298,7 @@ with multiples lines assert str(log).count("Retrying") == 2 assert str(log).count("Gave up retrying") == 1 - @defer.inlineCallbacks + @inlineCallbacks def test_referer_header(self): """Referer header is set by RefererMiddleware unless it is already set""" req0 = Request(self.mockserver.url("/echo?headers=1&body=0"), dont_filter=1) @@ -327,7 +326,7 @@ with multiples lines echo3 = json.loads(to_unicode(crawler.spider.meta["responses"][3].body)) assert echo3["headers"].get("Referer") == ["http://example.com"] - @defer.inlineCallbacks + @inlineCallbacks def test_engine_status(self): from scrapy.utils.engine import get_engine_status @@ -345,7 +344,7 @@ with multiples lines assert s["engine.spider.name"] == crawler.spider.name assert s["len(engine.scraper.slot.active)"] == 1 - @defer.inlineCallbacks + @inlineCallbacks def test_format_engine_status(self): from scrapy.utils.engine import format_engine_status @@ -370,7 +369,7 @@ with multiples lines assert s["engine.spider.name"] == crawler.spider.name assert s["len(engine.scraper.slot.active)"] == "1" - @defer.inlineCallbacks + @inlineCallbacks def test_open_spider_error_on_faulty_pipeline(self): settings = { "ITEM_PIPELINES": { @@ -378,15 +377,13 @@ with multiples lines } } crawler = get_crawler(SimpleSpider, settings) - yield self.assertFailure( - crawler.crawl( + with pytest.raises(ZeroDivisionError): + yield crawler.crawl( self.mockserver.url("/status?n=200"), mockserver=self.mockserver - ), - ZeroDivisionError, - ) + ) assert not crawler.crawling - @defer.inlineCallbacks + @inlineCallbacks def test_crawlerrunner_accepts_crawler(self): crawler = get_crawler(SimpleSpider) runner = CrawlerRunner() @@ -398,7 +395,7 @@ with multiples lines ) assert "Got response 200" in str(log) - @defer.inlineCallbacks + @inlineCallbacks def test_crawl_multiple(self): runner = CrawlerRunner(get_reactor_settings()) runner.crawl( @@ -431,7 +428,7 @@ class TestCrawlSpider(TestCase): def tearDownClass(cls): cls.mockserver.__exit__(None, None, None) - @defer.inlineCallbacks + @inlineCallbacks def _run_spider(self, spider_cls): items = [] @@ -446,7 +443,7 @@ class TestCrawlSpider(TestCase): ) return log, items, crawler.stats - @defer.inlineCallbacks + @inlineCallbacks def test_crawlspider_with_parse(self): crawler = get_crawler(CrawlSpiderWithParseMethod) with LogCapture() as log: @@ -456,7 +453,7 @@ class TestCrawlSpider(TestCase): assert "[parse] status 201 (foo: None)" in str(log) assert "[parse] status 202 (foo: bar)" in str(log) - @defer.inlineCallbacks + @inlineCallbacks def test_crawlspider_with_async_callback(self): crawler = get_crawler(CrawlSpiderWithAsyncCallback) with LogCapture() as log: @@ -466,7 +463,7 @@ class TestCrawlSpider(TestCase): assert "[parse_async] status 201 (foo: None)" in str(log) assert "[parse_async] status 202 (foo: bar)" in str(log) - @defer.inlineCallbacks + @inlineCallbacks def test_crawlspider_with_async_generator_callback(self): crawler = get_crawler(CrawlSpiderWithAsyncGeneratorCallback) with LogCapture() as log: @@ -476,7 +473,7 @@ class TestCrawlSpider(TestCase): assert "[parse_async_gen] status 201 (foo: None)" in str(log) assert "[parse_async_gen] status 202 (foo: bar)" in str(log) - @defer.inlineCallbacks + @inlineCallbacks def test_crawlspider_with_errback(self): crawler = get_crawler(CrawlSpiderWithErrback) with LogCapture() as log: @@ -489,7 +486,7 @@ class TestCrawlSpider(TestCase): assert "[errback] status 500" in str(log) assert "[errback] status 501" in str(log) - @defer.inlineCallbacks + @inlineCallbacks def test_crawlspider_process_request_cb_kwargs(self): crawler = get_crawler(CrawlSpiderWithProcessRequestCallbackKeywordArguments) with LogCapture() as log: @@ -499,7 +496,7 @@ class TestCrawlSpider(TestCase): assert "[parse] status 201 (foo: process_request)" in str(log) assert "[parse] status 202 (foo: bar)" in str(log) - @defer.inlineCallbacks + @inlineCallbacks def test_async_def_parse(self): crawler = get_crawler(AsyncDefSpider) with LogCapture() as log: @@ -509,7 +506,7 @@ class TestCrawlSpider(TestCase): assert "Got response 200" in str(log) @pytest.mark.only_asyncio - @defer.inlineCallbacks + @inlineCallbacks def test_async_def_asyncio_parse(self): crawler = get_crawler( AsyncDefAsyncioSpider, @@ -524,7 +521,7 @@ class TestCrawlSpider(TestCase): assert "Got response 200" in str(log) @pytest.mark.only_asyncio - @defer.inlineCallbacks + @inlineCallbacks def test_async_def_asyncio_parse_items_list(self): log, items, _ = yield self._run_spider(AsyncDefAsyncioReturnSpider) assert "Got response 200" in str(log) @@ -532,7 +529,7 @@ class TestCrawlSpider(TestCase): assert {"id": 2} in items @pytest.mark.only_asyncio - @defer.inlineCallbacks + @inlineCallbacks def test_async_def_asyncio_parse_items_single_element(self): items = [] @@ -549,7 +546,7 @@ class TestCrawlSpider(TestCase): assert {"foo": 42} in items @pytest.mark.only_asyncio - @defer.inlineCallbacks + @inlineCallbacks def test_async_def_asyncgen_parse(self): log, _, stats = yield self._run_spider(AsyncDefAsyncioGenSpider) assert "Got response 200" in str(log) @@ -557,7 +554,7 @@ class TestCrawlSpider(TestCase): assert itemcount == 1 @pytest.mark.only_asyncio - @defer.inlineCallbacks + @inlineCallbacks def test_async_def_asyncgen_parse_loop(self): log, items, stats = yield self._run_spider(AsyncDefAsyncioGenLoopSpider) assert "Got response 200" in str(log) @@ -567,7 +564,7 @@ class TestCrawlSpider(TestCase): assert {"foo": i} in items @pytest.mark.only_asyncio - @defer.inlineCallbacks + @inlineCallbacks def test_async_def_asyncgen_parse_exc(self): log, items, stats = yield self._run_spider(AsyncDefAsyncioGenExcSpider) log = str(log) @@ -579,7 +576,7 @@ class TestCrawlSpider(TestCase): assert {"foo": i} in items @pytest.mark.only_asyncio - @defer.inlineCallbacks + @inlineCallbacks def test_async_def_asyncgen_parse_complex(self): _, items, stats = yield self._run_spider(AsyncDefAsyncioGenComplexSpider) itemcount = stats.get_value("item_scraped_count") @@ -591,37 +588,37 @@ class TestCrawlSpider(TestCase): assert {"index2": i} in items @pytest.mark.only_asyncio - @defer.inlineCallbacks + @inlineCallbacks def test_async_def_asyncio_parse_reqs_list(self): log, *_ = yield self._run_spider(AsyncDefAsyncioReqsReturnSpider) for req_id in range(3): assert f"Got response 200, req_id {req_id}" in str(log) @pytest.mark.only_not_asyncio - @defer.inlineCallbacks + @inlineCallbacks def test_async_def_deferred_direct(self): _, items, _ = yield self._run_spider(AsyncDefDeferredDirectSpider) assert items == [{"code": 200}] @pytest.mark.only_asyncio - @defer.inlineCallbacks + @inlineCallbacks def test_async_def_deferred_wrapped(self): log, items, _ = yield self._run_spider(AsyncDefDeferredWrappedSpider) assert items == [{"code": 200}] - @defer.inlineCallbacks + @inlineCallbacks def test_async_def_deferred_maybe_wrapped(self): _, items, _ = yield self._run_spider(AsyncDefDeferredMaybeWrappedSpider) assert items == [{"code": 200}] - @defer.inlineCallbacks + @inlineCallbacks def test_response_ssl_certificate_none(self): crawler = get_crawler(SingleRequestSpider) url = self.mockserver.url("/echo?body=test", is_secure=False) yield crawler.crawl(seed=url, mockserver=self.mockserver) assert crawler.spider.meta["responses"][0].certificate is None - @defer.inlineCallbacks + @inlineCallbacks def test_response_ssl_certificate(self): crawler = get_crawler(SingleRequestSpider) url = self.mockserver.url("/echo?body=test", is_secure=True) @@ -634,7 +631,7 @@ class TestCrawlSpider(TestCase): @pytest.mark.xfail( reason="Responses with no body return early and contain no certificate" ) - @defer.inlineCallbacks + @inlineCallbacks def test_response_ssl_certificate_empty_response(self): crawler = get_crawler(SingleRequestSpider) url = self.mockserver.url("/status?n=200", is_secure=True) @@ -644,7 +641,7 @@ class TestCrawlSpider(TestCase): assert cert.getSubject().commonName == b"localhost" assert cert.getIssuer().commonName == b"localhost" - @defer.inlineCallbacks + @inlineCallbacks def test_dns_server_ip_address_none(self): crawler = get_crawler(SingleRequestSpider) url = self.mockserver.url("/status?n=200") @@ -652,7 +649,7 @@ class TestCrawlSpider(TestCase): ip_address = crawler.spider.meta["responses"][0].ip_address assert ip_address is None - @defer.inlineCallbacks + @inlineCallbacks def test_dns_server_ip_address(self): crawler = get_crawler(SingleRequestSpider) url = self.mockserver.url("/echo?body=test") @@ -662,7 +659,7 @@ class TestCrawlSpider(TestCase): assert isinstance(ip_address, IPv4Address) assert str(ip_address) == gethostbyname(expected_netloc) - @defer.inlineCallbacks + @inlineCallbacks def test_bytes_received_stop_download_callback(self): crawler = get_crawler(BytesReceivedCallbackSpider) yield crawler.crawl(mockserver=self.mockserver) @@ -676,7 +673,7 @@ class TestCrawlSpider(TestCase): < crawler.spider.full_response_length ) - @defer.inlineCallbacks + @inlineCallbacks def test_bytes_received_stop_download_errback(self): crawler = get_crawler(BytesReceivedErrbackSpider) yield crawler.crawl(mockserver=self.mockserver) @@ -692,7 +689,7 @@ class TestCrawlSpider(TestCase): < crawler.spider.full_response_length ) - @defer.inlineCallbacks + @inlineCallbacks def test_headers_received_stop_download_callback(self): crawler = get_crawler(HeadersReceivedCallbackSpider) yield crawler.crawl(mockserver=self.mockserver) @@ -702,7 +699,7 @@ class TestCrawlSpider(TestCase): "headers_received" ) - @defer.inlineCallbacks + @inlineCallbacks def test_headers_received_stop_download_errback(self): crawler = get_crawler(HeadersReceivedErrbackSpider) yield crawler.crawl(mockserver=self.mockserver) @@ -714,7 +711,7 @@ class TestCrawlSpider(TestCase): "failure" ].value.response.headers == crawler.spider.meta.get("headers_received") - @defer.inlineCallbacks + @inlineCallbacks def test_spider_errback(self): failures = [] @@ -731,7 +728,7 @@ class TestCrawlSpider(TestCase): assert "HTTP status code is not handled or not allowed" in str(log) assert "Spider error processing" not in str(log) - @defer.inlineCallbacks + @inlineCallbacks def test_spider_errback_silence(self): failures = [] @@ -747,7 +744,7 @@ class TestCrawlSpider(TestCase): assert "HTTP status code is not handled or not allowed" not in str(log) assert "Spider error processing" not in str(log) - @defer.inlineCallbacks + @inlineCallbacks def test_spider_errback_exception(self): def eb(failure: Failure) -> None: raise ValueError("foo") @@ -759,7 +756,7 @@ class TestCrawlSpider(TestCase): ) assert "Spider error processing" in str(log) - @defer.inlineCallbacks + @inlineCallbacks def test_spider_errback_item(self): def eb(failure: Failure) -> Any: return {"foo": "bar"} @@ -773,7 +770,7 @@ class TestCrawlSpider(TestCase): assert "Spider error processing" not in str(log) assert "'item_scraped_count': 1" in str(log) - @defer.inlineCallbacks + @inlineCallbacks def test_spider_errback_request(self): def eb(failure: Failure) -> Request: return Request(self.mockserver.url("/")) @@ -787,7 +784,7 @@ class TestCrawlSpider(TestCase): assert "Spider error processing" not in str(log) assert "Crawled (200)" in str(log) - @defer.inlineCallbacks + @inlineCallbacks def test_spider_errback_downloader_error(self): failures = [] @@ -804,7 +801,7 @@ class TestCrawlSpider(TestCase): assert "Error downloading" in str(log) assert "Spider error processing" not in str(log) - @defer.inlineCallbacks + @inlineCallbacks def test_spider_errback_downloader_error_exception(self): def eb(failure: Failure) -> None: raise ValueError("foo") @@ -817,7 +814,7 @@ class TestCrawlSpider(TestCase): assert "Error downloading" in str(log) assert "Spider error processing" in str(log) - @defer.inlineCallbacks + @inlineCallbacks def test_spider_errback_downloader_error_item(self): def eb(failure: Failure) -> Any: return {"foo": "bar"} @@ -831,7 +828,7 @@ class TestCrawlSpider(TestCase): assert "Spider error processing" not in str(log) assert "'item_scraped_count': 1" in str(log) - @defer.inlineCallbacks + @inlineCallbacks def test_spider_errback_downloader_error_request(self): def eb(failure: Failure) -> Request: return Request(self.mockserver.url("/")) @@ -845,7 +842,7 @@ class TestCrawlSpider(TestCase): assert "Spider error processing" not in str(log) assert "Crawled (200)" in str(log) - @defer.inlineCallbacks + @inlineCallbacks def test_raise_closespider(self): def cb(response): raise CloseSpider @@ -856,7 +853,7 @@ class TestCrawlSpider(TestCase): assert "Closing spider (cancelled)" in str(log) assert "Spider error processing" not in str(log) - @defer.inlineCallbacks + @inlineCallbacks def test_raise_closespider_reason(self): def cb(response): raise CloseSpider("my_reason") diff --git a/tests/test_dependencies.py b/tests/test_dependencies.py index c2df67c66..4436efd9b 100644 --- a/tests/test_dependencies.py +++ b/tests/test_dependencies.py @@ -1,25 +1,13 @@ import os import re from configparser import ConfigParser -from importlib import import_module from pathlib import Path import pytest from twisted import version as twisted_version -from twisted.trial import unittest class TestScrapyUtils: - def test_required_openssl_version(self): - try: - module = import_module("OpenSSL") - except ImportError: - raise unittest.SkipTest("OpenSSL is not available") - - if hasattr(module, "__version__"): - installed_version = [int(x) for x in module.__version__.split(".")[:2]] - assert installed_version >= [0, 6], "OpenSSL >= 0.6 required" - def test_pinned_twisted_version(self): """When running tests within a Tox environment with pinned dependencies, make sure that the version of Twisted is the pinned diff --git a/tests/test_downloader_handlers.py b/tests/test_downloader_handlers.py index 09cdbaf35..2c8e96040 100644 --- a/tests/test_downloader_handlers.py +++ b/tests/test_downloader_handlers.py @@ -440,7 +440,7 @@ class TestFTPBase(unittest.TestCase): class TestFTP(TestFTPBase): def test_invalid_credentials(self): if self.reactor_pytest != "default" and sys.platform == "win32": - raise unittest.SkipTest( + pytest.skip( "This test produces DirtyReactorAggregateError on Windows with asyncio" ) from twisted.protocols.ftp import ConnectionLost diff --git a/tests/test_downloader_handlers_http_base.py b/tests/test_downloader_handlers_http_base.py index 14e12a3e6..9b2c49fd4 100644 --- a/tests/test_downloader_handlers_http_base.py +++ b/tests/test_downloader_handlers_http_base.py @@ -14,7 +14,7 @@ from unittest import mock import pytest from testfixtures import LogCapture from twisted.internet import defer, error -from twisted.internet.defer import maybeDeferred +from twisted.internet.defer import inlineCallbacks, maybeDeferred from twisted.protocols.policies import WrappingFactory from twisted.trial import unittest from twisted.web import resource, server, static, util @@ -186,7 +186,7 @@ class TestHttpBase(unittest.TestCase, ABC): self.download_handler_cls, get_crawler() ) - @defer.inlineCallbacks + @inlineCallbacks def tearDown(self): yield self.port.stopListening() if hasattr(self.download_handler, "close"): @@ -229,7 +229,7 @@ class TestHttpBase(unittest.TestCase, ABC): async def test_timeout_download_from_spider_nodata_rcvd(self): if self.reactor_pytest != "default" and sys.platform == "win32": # https://twistedmatrix.com/trac/ticket/10279 - raise unittest.SkipTest( + pytest.skip( "This test produces DirtyReactorAggregateError on Windows with asyncio" ) @@ -245,7 +245,7 @@ class TestHttpBase(unittest.TestCase, ABC): async def test_timeout_download_from_spider_server_hangs(self): if self.reactor_pytest != "default" and sys.platform == "win32": # https://twistedmatrix.com/trac/ticket/10279 - raise unittest.SkipTest( + pytest.skip( "This test produces DirtyReactorAggregateError on Windows with asyncio" ) # client connects, server send headers and some body bytes but hangs @@ -531,7 +531,7 @@ class TestSimpleHttpsBase(unittest.TestCase, ABC): crawler = get_crawler(settings_dict=settings_dict) self.download_handler = build_from_crawler(self.download_handler_cls, crawler) - @defer.inlineCallbacks + @inlineCallbacks def tearDown(self): yield self.port.stopListening() if hasattr(self.download_handler, "close"): @@ -665,7 +665,7 @@ class TestHttpProxyBase(unittest.TestCase, ABC): self.download_handler_cls, get_crawler() ) - @defer.inlineCallbacks + @inlineCallbacks def tearDown(self): yield self.port.stopListening() if hasattr(self.download_handler, "close"): diff --git a/tests/test_downloadermiddleware_httpcompression.py b/tests/test_downloadermiddleware_httpcompression.py index e7427c5ac..3c26b242f 100644 --- a/tests/test_downloadermiddleware_httpcompression.py +++ b/tests/test_downloadermiddleware_httpcompression.py @@ -2,7 +2,6 @@ from gzip import GzipFile from io import BytesIO from logging import WARNING from pathlib import Path -from unittest import SkipTest import pytest from testfixtures import LogCapture @@ -130,7 +129,7 @@ class TestHttpCompression: except ImportError: import brotlicffi # noqa: F401 except ImportError: - raise SkipTest("no brotli") + pytest.skip("no brotli") response = self._getresponse("br") request = response.request assert response.headers["Content-Encoding"] == b"br" @@ -146,11 +145,11 @@ class TestHttpCompression: try: import brotli # noqa: F401 - raise SkipTest("Requires not having brotli support") + pytest.skip("Requires not having brotli support") except ImportError: import brotlicffi # noqa: F401 - raise SkipTest("Requires not having brotli support") + pytest.skip("Requires not having brotli support") except ImportError: pass response = self._getresponse("br") @@ -180,7 +179,7 @@ class TestHttpCompression: try: import zstandard # noqa: F401 except ImportError: - raise SkipTest("no zstd support (zstandard)") + pytest.skip("no zstd support (zstandard)") raw_content = None for check_key in FORMAT: if not check_key.startswith("zstd-"): @@ -201,7 +200,7 @@ class TestHttpCompression: try: import zstandard # noqa: F401 - raise SkipTest("Requires not having zstandard support") + pytest.skip("Requires not having zstandard support") except ImportError: pass response = self._getresponse("zstd-static-content-size") @@ -520,7 +519,7 @@ class TestHttpCompression: except ImportError: import brotlicffi # noqa: F401 except ImportError: - raise SkipTest("no brotli") + pytest.skip("no brotli") self._test_compression_bomb_setting("br") def test_compression_bomb_setting_deflate(self): @@ -533,7 +532,7 @@ class TestHttpCompression: try: import zstandard # noqa: F401 except ImportError: - raise SkipTest("no zstd support (zstandard)") + pytest.skip("no zstd support (zstandard)") self._test_compression_bomb_setting("zstd") def _test_compression_bomb_spider_attr(self, compression_id): @@ -556,7 +555,7 @@ class TestHttpCompression: except ImportError: import brotlicffi # noqa: F401 except ImportError: - raise SkipTest("no brotli") + pytest.skip("no brotli") self._test_compression_bomb_spider_attr("br") def test_compression_bomb_spider_attr_deflate(self): @@ -569,7 +568,7 @@ class TestHttpCompression: try: import zstandard # noqa: F401 except ImportError: - raise SkipTest("no zstd support (zstandard)") + pytest.skip("no zstd support (zstandard)") self._test_compression_bomb_spider_attr("zstd") def _test_compression_bomb_request_meta(self, compression_id): @@ -590,7 +589,7 @@ class TestHttpCompression: except ImportError: import brotlicffi # noqa: F401 except ImportError: - raise SkipTest("no brotli") + pytest.skip("no brotli") self._test_compression_bomb_request_meta("br") def test_compression_bomb_request_meta_deflate(self): @@ -603,7 +602,7 @@ class TestHttpCompression: try: import zstandard # noqa: F401 except ImportError: - raise SkipTest("no zstd support (zstandard)") + pytest.skip("no zstd support (zstandard)") self._test_compression_bomb_request_meta("zstd") def _test_download_warnsize_setting(self, compression_id): @@ -639,7 +638,7 @@ class TestHttpCompression: except ImportError: import brotlicffi # noqa: F401 except ImportError: - raise SkipTest("no brotli") + pytest.skip("no brotli") self._test_download_warnsize_setting("br") def test_download_warnsize_setting_deflate(self): @@ -652,7 +651,7 @@ class TestHttpCompression: try: import zstandard # noqa: F401 except ImportError: - raise SkipTest("no zstd support (zstandard)") + pytest.skip("no zstd support (zstandard)") self._test_download_warnsize_setting("zstd") def _test_download_warnsize_spider_attr(self, compression_id): @@ -690,7 +689,7 @@ class TestHttpCompression: except ImportError: import brotlicffi # noqa: F401 except ImportError: - raise SkipTest("no brotli") + pytest.skip("no brotli") self._test_download_warnsize_spider_attr("br") def test_download_warnsize_spider_attr_deflate(self): @@ -703,7 +702,7 @@ class TestHttpCompression: try: import zstandard # noqa: F401 except ImportError: - raise SkipTest("no zstd support (zstandard)") + pytest.skip("no zstd support (zstandard)") self._test_download_warnsize_spider_attr("zstd") def _test_download_warnsize_request_meta(self, compression_id): @@ -739,7 +738,7 @@ class TestHttpCompression: except ImportError: import brotlicffi # noqa: F401 except ImportError: - raise SkipTest("no brotli") + pytest.skip("no brotli") self._test_download_warnsize_request_meta("br") def test_download_warnsize_request_meta_deflate(self): @@ -752,5 +751,5 @@ class TestHttpCompression: try: import zstandard # noqa: F401 except ImportError: - raise SkipTest("no zstd support (zstandard)") + pytest.skip("no zstd support (zstandard)") self._test_download_warnsize_request_meta("zstd") diff --git a/tests/test_downloadermiddleware_robotstxt.py b/tests/test_downloadermiddleware_robotstxt.py index 04800896c..146b0057e 100644 --- a/tests/test_downloadermiddleware_robotstxt.py +++ b/tests/test_downloadermiddleware_robotstxt.py @@ -235,12 +235,10 @@ Disallow: /some/randome/page.html self, request: Request, middleware: RobotsTxtMiddleware ) -> None: spider = None # not actually used - await maybe_deferred_to_future( - self.assertFailure( - middleware.process_request(request, spider), # type: ignore[arg-type] - IgnoreRequest, + with pytest.raises(IgnoreRequest): + await maybe_deferred_to_future( + maybeDeferred(middleware.process_request, request, spider) # type: ignore[call-overload] ) - ) def assertRobotsTxtRequested(self, base_url: str) -> None: calls = self.crawler.engine.download.call_args_list diff --git a/tests/test_downloaderslotssettings.py b/tests/test_downloaderslotssettings.py index 78c83ea83..9b7c09448 100644 --- a/tests/test_downloaderslotssettings.py +++ b/tests/test_downloaderslotssettings.py @@ -1,6 +1,6 @@ import time -from twisted.internet import defer +from twisted.internet.defer import inlineCallbacks from twisted.trial.unittest import TestCase from scrapy import Request @@ -62,7 +62,7 @@ class CrawlTestCase(TestCase): def setUp(self): self.runner = CrawlerRunner() - @defer.inlineCallbacks + @inlineCallbacks def test_delay(self): crawler = get_crawler(DownloaderSlotsSettingsTestSpider) yield crawler.crawl(mockserver=self.mockserver) diff --git a/tests/test_engine.py b/tests/test_engine.py index 9f618437c..e181a36cf 100644 --- a/tests/test_engine.py +++ b/tests/test_engine.py @@ -26,6 +26,7 @@ import pytest from itemadapter import ItemAdapter from pydispatch import dispatcher from twisted.internet import defer +from twisted.internet.defer import inlineCallbacks from twisted.trial import unittest from twisted.web import server, static, util @@ -390,7 +391,7 @@ class TestEngineBase(unittest.TestCase): class TestEngine(TestEngineBase): - @defer.inlineCallbacks + @inlineCallbacks def test_crawler(self): for spider in ( MySpider, @@ -407,20 +408,20 @@ class TestEngine(TestEngineBase): self._assert_signals_caught(run) self._assert_bytes_received(run) - @defer.inlineCallbacks + @inlineCallbacks def test_crawler_dupefilter(self): run = CrawlerRun(DupeFilterSpider) yield run.run() self._assert_scheduled_requests(run, count=8) self._assert_dropped_requests(run) - @defer.inlineCallbacks + @inlineCallbacks def test_crawler_itemerror(self): run = CrawlerRun(ItemZeroDivisionErrorSpider) yield run.run() self._assert_items_error(run) - @defer.inlineCallbacks + @inlineCallbacks def test_crawler_change_close_reason_on_idle(self): run = CrawlerRun(ChangeCloseReasonSpider) yield run.run() @@ -429,7 +430,7 @@ class TestEngine(TestEngineBase): "reason": "custom_reason", } == run.signals_caught[signals.spider_closed] - @defer.inlineCallbacks + @inlineCallbacks def test_close_downloader(self): e = ExecutionEngine(get_crawler(MySpider), lambda _: None) yield e.close() @@ -447,19 +448,14 @@ class TestEngine(TestEngineBase): get_crawler(MySpider, {"DOWNLOADER": BadDownloader}), lambda _: None ) - @defer.inlineCallbacks + @inlineCallbacks def test_start_already_running_exception(self): e = ExecutionEngine(get_crawler(MySpider), lambda _: None) yield e.open_spider(MySpider(), []) e.start() - - def cb(exc: BaseException) -> None: - assert str(exc), "Engine already running" - - try: - yield self.assertFailure(e.start(), RuntimeError).addBoth(cb) - finally: - yield e.stop() + with pytest.raises(RuntimeError, match="Engine already running"): + yield e.start() + yield e.stop() def test_short_timeout(self): args = ( diff --git a/tests/test_engine_stop_download_bytes.py b/tests/test_engine_stop_download_bytes.py index f09b0e091..2662e45e1 100644 --- a/tests/test_engine_stop_download_bytes.py +++ b/tests/test_engine_stop_download_bytes.py @@ -1,5 +1,5 @@ from testfixtures import LogCapture -from twisted.internet import defer +from twisted.internet.defer import inlineCallbacks from scrapy.exceptions import StopDownload from tests.test_engine import ( @@ -19,7 +19,7 @@ class BytesReceivedCrawlerRun(CrawlerRun): class TestBytesReceivedEngine(TestEngineBase): - @defer.inlineCallbacks + @inlineCallbacks def test_crawler(self): for spider in ( MySpider, diff --git a/tests/test_engine_stop_download_headers.py b/tests/test_engine_stop_download_headers.py index dbb0ea0d2..142715927 100644 --- a/tests/test_engine_stop_download_headers.py +++ b/tests/test_engine_stop_download_headers.py @@ -1,5 +1,5 @@ from testfixtures import LogCapture -from twisted.internet import defer +from twisted.internet.defer import inlineCallbacks from scrapy.exceptions import StopDownload from tests.test_engine import ( @@ -19,7 +19,7 @@ class HeadersReceivedCrawlerRun(CrawlerRun): class TestHeadersReceivedEngine(TestEngineBase): - @defer.inlineCallbacks + @inlineCallbacks def test_crawler(self): for spider in ( MySpider, diff --git a/tests/test_exporters.py b/tests/test_exporters.py index f55cb6c97..05e8865bc 100644 --- a/tests/test_exporters.py +++ b/tests/test_exporters.py @@ -4,7 +4,6 @@ import marshal import pickle import re import tempfile -import unittest from datetime import datetime from io import BytesIO from typing import Any @@ -662,7 +661,7 @@ class TestCustomExporterItem: def setup_method(self): if self.item_class is None: - raise unittest.SkipTest("item class is None") + pytest.skip("item class is None") def test_exporter_custom_serializer(self): class CustomItemExporter(BaseItemExporter): diff --git a/tests/test_extension_periodic_log.py b/tests/test_extension_periodic_log.py index 85bd42857..b86f3c7f2 100644 --- a/tests/test_extension_periodic_log.py +++ b/tests/test_extension_periodic_log.py @@ -1,7 +1,6 @@ from __future__ import annotations import datetime -import unittest from typing import Any, Callable from scrapy.extensions.periodic_log import PeriodicLog @@ -66,7 +65,7 @@ def extension(settings: dict[str, Any] | None = None) -> CustomPeriodicLog: return CustomPeriodicLog.from_crawler(crawler) -class TestPeriodicLog(unittest.TestCase): +class TestPeriodicLog: def test_extension_enabled(self): # Expected that settings for this extension loaded successfully # And on certain conditions - extension raising NotConfigured diff --git a/tests/test_extension_telnet.py b/tests/test_extension_telnet.py index 8c897c223..2ac4d7830 100644 --- a/tests/test_extension_telnet.py +++ b/tests/test_extension_telnet.py @@ -1,6 +1,7 @@ +import pytest from twisted.conch.telnet import ITelnetProtocol from twisted.cred import credentials -from twisted.internet import defer +from twisted.internet.defer import inlineCallbacks from twisted.trial import unittest from scrapy.extensions.telnet import TelnetConsole @@ -21,15 +22,16 @@ class TelnetExtensionTest(unittest.TestCase): return console, portal - @defer.inlineCallbacks + @inlineCallbacks def test_bad_credentials(self): console, portal = self._get_console_and_portal() creds = credentials.UsernamePassword(b"username", b"password") d = portal.login(creds, None, ITelnetProtocol) - yield self.assertFailure(d, ValueError) + with pytest.raises(ValueError, match="Invalid credentials"): + yield d console.stop_listening() - @defer.inlineCallbacks + @inlineCallbacks def test_good_credentials(self): console, portal = self._get_console_and_portal() creds = credentials.UsernamePassword( @@ -39,7 +41,7 @@ class TelnetExtensionTest(unittest.TestCase): yield d console.stop_listening() - @defer.inlineCallbacks + @inlineCallbacks def test_custom_credentials(self): settings = { "TELNETCONSOLE_USERNAME": "user", diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py index 44cd10ec3..cdf03ca76 100644 --- a/tests/test_feedexport.py +++ b/tests/test_feedexport.py @@ -26,6 +26,7 @@ import lxml.etree import pytest from testfixtures import LogCapture from twisted.internet import defer +from twisted.internet.defer import inlineCallbacks from twisted.trial import unittest from w3lib.url import file_uri_to_path, path_to_file_uri from zope.interface import implementer @@ -131,7 +132,7 @@ class TestFileFeedStorage(unittest.TestCase): FileFeedStorage(str(path), feed_options={"overwrite": True}), path ) - @defer.inlineCallbacks + @inlineCallbacks def _assert_stores(self, storage, path: Path, expected_content=b"content"): spider = scrapy.Spider("default") file = storage.open(spider) @@ -172,7 +173,7 @@ class TestFTPFeedStorage(unittest.TestCase): finally: path.unlink() - @defer.inlineCallbacks + @inlineCallbacks def test_append(self): with MockFTPServer() as ftp_server: filename = "file" @@ -182,7 +183,7 @@ class TestFTPFeedStorage(unittest.TestCase): yield self._store(url, b"bar", feed_options=feed_options) self._assert_stored(ftp_server.path / filename, b"foobar") - @defer.inlineCallbacks + @inlineCallbacks def test_overwrite(self): with MockFTPServer() as ftp_server: filename = "file" @@ -191,7 +192,7 @@ class TestFTPFeedStorage(unittest.TestCase): yield self._store(url, b"bar") self._assert_stored(ftp_server.path / filename, b"bar") - @defer.inlineCallbacks + @inlineCallbacks def test_append_active_mode(self): with MockFTPServer() as ftp_server: settings = {"FEED_STORAGE_FTP_ACTIVE": True} @@ -202,7 +203,7 @@ class TestFTPFeedStorage(unittest.TestCase): yield self._store(url, b"bar", feed_options=feed_options, settings=settings) self._assert_stored(ftp_server.path / filename, b"foobar") - @defer.inlineCallbacks + @inlineCallbacks def test_overwrite_active_mode(self): with MockFTPServer() as ftp_server: settings = {"FEED_STORAGE_FTP_ACTIVE": True} @@ -290,7 +291,7 @@ class TestS3FeedStorage(unittest.TestCase): assert storage.access_key == "uri_key" assert storage.secret_key == "uri_secret" - @defer.inlineCallbacks + @inlineCallbacks def test_store(self): settings = { "AWS_ACCESS_KEY_ID": "access_key", @@ -431,7 +432,7 @@ class TestS3FeedStorage(unittest.TestCase): assert storage.region_name == region_name assert storage.s3_client._client_config.region_name == region_name - @defer.inlineCallbacks + @inlineCallbacks def test_store_without_acl(self): storage = S3FeedStorage( "s3://mybucket/export.csv", @@ -451,7 +452,7 @@ class TestS3FeedStorage(unittest.TestCase): ) assert acl is None - @defer.inlineCallbacks + @inlineCallbacks def test_store_with_acl(self): storage = S3FeedStorage( "s3://mybucket/export.csv", "access_key", "secret_key", "custom-acl" @@ -489,7 +490,7 @@ class TestGCSFeedStorage(unittest.TestCase): try: from google.cloud.storage import Client # noqa: F401 except ImportError: - raise unittest.SkipTest("GCSFeedStorage requires google-cloud-storage") + pytest.skip("GCSFeedStorage requires google-cloud-storage") settings = {"GCS_PROJECT_ID": "123", "FEED_STORAGE_GCS_ACL": "publicRead"} crawler = get_crawler(settings_dict=settings) @@ -503,7 +504,7 @@ class TestGCSFeedStorage(unittest.TestCase): try: from google.cloud.storage import Client # noqa: F401 except ImportError: - raise unittest.SkipTest("GCSFeedStorage requires google-cloud-storage") + pytest.skip("GCSFeedStorage requires google-cloud-storage") settings = {"GCS_PROJECT_ID": "123", "FEED_STORAGE_GCS_ACL": ""} crawler = get_crawler(settings_dict=settings) @@ -515,12 +516,12 @@ class TestGCSFeedStorage(unittest.TestCase): storage = GCSFeedStorage.from_crawler(crawler, "gs://mybucket/export.csv") assert storage.acl is None - @defer.inlineCallbacks + @inlineCallbacks def test_store(self): try: from google.cloud.storage import Client # noqa: F401 except ImportError: - raise unittest.SkipTest("GCSFeedStorage requires google-cloud-storage") + pytest.skip("GCSFeedStorage requires google-cloud-storage") uri = "gs://mybucket/export.csv" project_id = "myproject-123" @@ -556,7 +557,7 @@ class TestGCSFeedStorage(unittest.TestCase): class TestStdoutFeedStorage(unittest.TestCase): - @defer.inlineCallbacks + @inlineCallbacks def test_store(self): out = BytesIO() storage = StdoutFeedStorage("stdout:", _stdout=out) @@ -669,7 +670,7 @@ class TestFeedExportBase(ABC, unittest.TestCase): def tearDown(self): shutil.rmtree(self.temp_dir, ignore_errors=True) - @defer.inlineCallbacks + @inlineCallbacks def exported_data(self, items, settings): """ Return exported data which a spider yielding ``items`` would return. @@ -684,7 +685,7 @@ class TestFeedExportBase(ABC, unittest.TestCase): data = yield self.run_and_export(TestSpider, settings) return data - @defer.inlineCallbacks + @inlineCallbacks def exported_no_data(self, settings): """ Return exported data which a spider yielding no ``items`` would return. @@ -699,7 +700,7 @@ class TestFeedExportBase(ABC, unittest.TestCase): data = yield self.run_and_export(TestSpider, settings) return data - @defer.inlineCallbacks + @inlineCallbacks def assertExported(self, items, header, rows, settings=None): yield self.assertExportedCsv(items, header, rows, settings) yield self.assertExportedJsonLines(items, rows, settings) @@ -770,7 +771,7 @@ class ExceptionJsonItemExporter(JsonItemExporter): class TestFeedExport(TestFeedExportBase): - @defer.inlineCallbacks + @inlineCallbacks def run_and_export(self, spider_cls, settings): """Run spider with specified settings; return exported data.""" @@ -800,7 +801,7 @@ class TestFeedExport(TestFeedExportBase): return content - @defer.inlineCallbacks + @inlineCallbacks def assertExportedCsv(self, items, header, rows, settings=None): settings = settings or {} settings.update( @@ -815,7 +816,7 @@ class TestFeedExport(TestFeedExportBase): assert reader.fieldnames == list(header) assert rows == list(reader) - @defer.inlineCallbacks + @inlineCallbacks def assertExportedJsonLines(self, items, rows, settings=None): settings = settings or {} settings.update( @@ -830,7 +831,7 @@ class TestFeedExport(TestFeedExportBase): rows = [{k: v for k, v in row.items() if v} for row in rows] assert rows == parsed - @defer.inlineCallbacks + @inlineCallbacks def assertExportedXml(self, items, rows, settings=None): settings = settings or {} settings.update( @@ -846,7 +847,7 @@ class TestFeedExport(TestFeedExportBase): got_rows = [{e.tag: e.text for e in it} for it in root.findall("item")] assert rows == got_rows - @defer.inlineCallbacks + @inlineCallbacks def assertExportedMultiple(self, items, rows, settings=None): settings = settings or {} settings.update( @@ -867,7 +868,7 @@ class TestFeedExport(TestFeedExportBase): json_rows = json.loads(to_unicode(data["json"])) assert rows == json_rows - @defer.inlineCallbacks + @inlineCallbacks def assertExportedPickle(self, items, rows, settings=None): settings = settings or {} settings.update( @@ -884,7 +885,7 @@ class TestFeedExport(TestFeedExportBase): result = self._load_until_eof(data["pickle"], load_func=pickle.load) assert result == expected - @defer.inlineCallbacks + @inlineCallbacks def assertExportedMarshal(self, items, rows, settings=None): settings = settings or {} settings.update( @@ -901,7 +902,7 @@ class TestFeedExport(TestFeedExportBase): result = self._load_until_eof(data["marshal"], load_func=marshal.load) assert result == expected - @defer.inlineCallbacks + @inlineCallbacks def test_stats_file_success(self): settings = { "FEEDS": { @@ -915,7 +916,7 @@ class TestFeedExport(TestFeedExportBase): assert "feedexport/success_count/FileFeedStorage" in crawler.stats.get_stats() assert crawler.stats.get_value("feedexport/success_count/FileFeedStorage") == 1 - @defer.inlineCallbacks + @inlineCallbacks def test_stats_file_failed(self): settings = { "FEEDS": { @@ -933,7 +934,7 @@ class TestFeedExport(TestFeedExportBase): assert "feedexport/failed_count/FileFeedStorage" in crawler.stats.get_stats() assert crawler.stats.get_value("feedexport/failed_count/FileFeedStorage") == 1 - @defer.inlineCallbacks + @inlineCallbacks def test_stats_multiple_file(self): settings = { "FEEDS": { @@ -955,7 +956,7 @@ class TestFeedExport(TestFeedExportBase): crawler.stats.get_value("feedexport/success_count/StdoutFeedStorage") == 1 ) - @defer.inlineCallbacks + @inlineCallbacks def test_export_items(self): # feed exporters use field names from Item items = [ @@ -969,7 +970,7 @@ class TestFeedExport(TestFeedExportBase): header = self.MyItem.fields.keys() yield self.assertExported(items, header, rows) - @defer.inlineCallbacks + @inlineCallbacks def test_export_no_items_not_store_empty(self): for fmt in ("json", "jsonlines", "xml", "csv"): settings = { @@ -981,7 +982,7 @@ class TestFeedExport(TestFeedExportBase): data = yield self.exported_no_data(settings) assert data[fmt] is None - @defer.inlineCallbacks + @inlineCallbacks def test_start_finish_exporting_items(self): items = [ self.MyItem({"foo": "bar1", "egg": "spam1"}), @@ -1001,7 +1002,7 @@ class TestFeedExport(TestFeedExportBase): assert not listener.start_without_finish assert not listener.finish_without_start - @defer.inlineCallbacks + @inlineCallbacks def test_start_finish_exporting_no_items(self): items = [] settings = { @@ -1019,7 +1020,7 @@ class TestFeedExport(TestFeedExportBase): assert not listener.start_without_finish assert not listener.finish_without_start - @defer.inlineCallbacks + @inlineCallbacks def test_start_finish_exporting_items_exception(self): items = [ self.MyItem({"foo": "bar1", "egg": "spam1"}), @@ -1040,7 +1041,7 @@ class TestFeedExport(TestFeedExportBase): assert not listener.start_without_finish assert not listener.finish_without_start - @defer.inlineCallbacks + @inlineCallbacks def test_start_finish_exporting_no_items_exception(self): items = [] settings = { @@ -1059,7 +1060,7 @@ class TestFeedExport(TestFeedExportBase): assert not listener.start_without_finish assert not listener.finish_without_start - @defer.inlineCallbacks + @inlineCallbacks def test_export_no_items_store_empty(self): formats = ( ("json", b"[]"), @@ -1079,7 +1080,7 @@ class TestFeedExport(TestFeedExportBase): data = yield self.exported_no_data(settings) assert expctd == data[fmt] - @defer.inlineCallbacks + @inlineCallbacks def test_export_no_items_multiple_feeds(self): """Make sure that `storage.store` is called for every feed.""" settings = { @@ -1097,7 +1098,7 @@ class TestFeedExport(TestFeedExportBase): assert str(log).count("Storage.store is called") == 0 - @defer.inlineCallbacks + @inlineCallbacks def test_export_multiple_item_classes(self): items = [ self.MyItem({"foo": "bar1", "egg": "spam1"}), @@ -1119,7 +1120,7 @@ class TestFeedExport(TestFeedExportBase): yield self.assertExportedCsv(items, header, rows_csv) yield self.assertExportedJsonLines(items, rows_jl) - @defer.inlineCallbacks + @inlineCallbacks def test_export_items_empty_field_list(self): # FEED_EXPORT_FIELDS==[] means the same as default None items = [{"foo": "bar"}] @@ -1129,7 +1130,7 @@ class TestFeedExport(TestFeedExportBase): yield self.assertExportedCsv(items, header, rows) yield self.assertExportedJsonLines(items, rows, settings) - @defer.inlineCallbacks + @inlineCallbacks def test_export_items_field_list(self): items = [{"foo": "bar"}] header = ["foo", "baz"] @@ -1137,7 +1138,7 @@ class TestFeedExport(TestFeedExportBase): settings = {"FEED_EXPORT_FIELDS": header} yield self.assertExported(items, header, rows, settings=settings) - @defer.inlineCallbacks + @inlineCallbacks def test_export_items_comma_separated_field_list(self): items = [{"foo": "bar"}] header = ["foo", "baz"] @@ -1145,7 +1146,7 @@ class TestFeedExport(TestFeedExportBase): settings = {"FEED_EXPORT_FIELDS": ",".join(header)} yield self.assertExported(items, header, rows, settings=settings) - @defer.inlineCallbacks + @inlineCallbacks def test_export_items_json_field_list(self): items = [{"foo": "bar"}] header = ["foo", "baz"] @@ -1153,7 +1154,7 @@ class TestFeedExport(TestFeedExportBase): settings = {"FEED_EXPORT_FIELDS": json.dumps(header)} yield self.assertExported(items, header, rows, settings=settings) - @defer.inlineCallbacks + @inlineCallbacks def test_export_items_field_names(self): items = [{"foo": "bar"}] header = {"foo": "Foo"} @@ -1161,7 +1162,7 @@ class TestFeedExport(TestFeedExportBase): settings = {"FEED_EXPORT_FIELDS": header} yield self.assertExported(items, list(header.values()), rows, settings=settings) - @defer.inlineCallbacks + @inlineCallbacks def test_export_items_dict_field_names(self): items = [{"foo": "bar"}] header = { @@ -1172,7 +1173,7 @@ class TestFeedExport(TestFeedExportBase): settings = {"FEED_EXPORT_FIELDS": header} yield self.assertExported(items, ["Baz", "Foo"], rows, settings=settings) - @defer.inlineCallbacks + @inlineCallbacks def test_export_items_json_field_names(self): items = [{"foo": "bar"}] header = {"foo": "Foo"} @@ -1180,7 +1181,7 @@ class TestFeedExport(TestFeedExportBase): settings = {"FEED_EXPORT_FIELDS": json.dumps(header)} yield self.assertExported(items, list(header.values()), rows, settings=settings) - @defer.inlineCallbacks + @inlineCallbacks def test_export_based_on_item_classes(self): items = [ self.MyItem({"foo": "bar1", "egg": "spam1"}), @@ -1226,7 +1227,7 @@ class TestFeedExport(TestFeedExportBase): for fmt, expected in formats.items(): assert data[fmt] == expected - @defer.inlineCallbacks + @inlineCallbacks def test_export_based_on_custom_filters(self): items = [ self.MyItem({"foo": "bar1", "egg": "spam1"}), @@ -1285,7 +1286,7 @@ class TestFeedExport(TestFeedExportBase): for fmt, expected in formats.items(): assert data[fmt] == expected - @defer.inlineCallbacks + @inlineCallbacks def test_export_dicts(self): # When dicts are used, only keys from the first row are used as # a header for CSV, and all fields are used for JSON Lines. @@ -1298,7 +1299,7 @@ class TestFeedExport(TestFeedExportBase): yield self.assertExportedCsv(items, ["foo", "egg"], rows_csv) yield self.assertExportedJsonLines(items, rows_jl) - @defer.inlineCallbacks + @inlineCallbacks def test_export_tuple(self): items = [ {"foo": "bar1", "egg": "spam1"}, @@ -1309,7 +1310,7 @@ class TestFeedExport(TestFeedExportBase): rows = [{"foo": "bar1", "baz": ""}, {"foo": "bar2", "baz": "quux"}] yield self.assertExported(items, ["foo", "baz"], rows, settings=settings) - @defer.inlineCallbacks + @inlineCallbacks def test_export_feed_export_fields(self): # FEED_EXPORT_FIELDS option allows to order export fields # and to select a subset of fields to export, both for Items and dicts. @@ -1335,7 +1336,7 @@ class TestFeedExport(TestFeedExportBase): rows = [{"egg": "spam1", "baz": ""}, {"egg": "spam2", "baz": "quux2"}] yield self.assertExported(items, ["egg", "baz"], rows, settings=settings) - @defer.inlineCallbacks + @inlineCallbacks def test_export_encoding(self): items = [{"foo": "Test\xd6"}] @@ -1380,7 +1381,7 @@ class TestFeedExport(TestFeedExportBase): data = yield self.exported_data(items, settings) assert data[fmt] == expected - @defer.inlineCallbacks + @inlineCallbacks def test_export_multiple_configs(self): items = [{"foo": "FOO", "bar": "BAR"}] @@ -1420,7 +1421,7 @@ class TestFeedExport(TestFeedExportBase): for fmt, expected in formats.items(): assert data[fmt] == expected - @defer.inlineCallbacks + @inlineCallbacks def test_export_indentation(self): items = [ {"foo": ["bar"]}, @@ -1576,7 +1577,7 @@ class TestFeedExport(TestFeedExportBase): data = yield self.exported_data(items, settings) assert data[row["format"]] == row["expected"] - @defer.inlineCallbacks + @inlineCallbacks def test_init_exporters_storages_with_crawler(self): settings = { "FEED_EXPORTERS": {"csv": FromCrawlerCsvItemExporter}, @@ -1589,7 +1590,7 @@ class TestFeedExport(TestFeedExportBase): assert FromCrawlerCsvItemExporter.init_with_crawler assert FromCrawlerFileFeedStorage.init_with_crawler - @defer.inlineCallbacks + @inlineCallbacks def test_str_uri(self): settings = { "FEED_STORE_EMPTY": True, @@ -1598,7 +1599,7 @@ class TestFeedExport(TestFeedExportBase): data = yield self.exported_no_data(settings) assert data["csv"] == b"" - @defer.inlineCallbacks + @inlineCallbacks def test_multiple_feeds_success_logs_blocking_feed_storage(self): settings = { "FEEDS": { @@ -1619,7 +1620,7 @@ class TestFeedExport(TestFeedExportBase): for fmt in ["json", "xml", "csv"]: assert f"Stored {fmt} feed (2 items)" in str(log) - @defer.inlineCallbacks + @inlineCallbacks def test_multiple_feeds_failing_logs_blocking_feed_storage(self): settings = { "FEEDS": { @@ -1640,7 +1641,7 @@ class TestFeedExport(TestFeedExportBase): for fmt in ["json", "xml", "csv"]: assert f"Error storing {fmt} feed (2 items)" in str(log) - @defer.inlineCallbacks + @inlineCallbacks def test_extend_kwargs(self): items = [{"foo": "FOO", "bar": "BAR"}] @@ -1677,7 +1678,7 @@ class TestFeedExport(TestFeedExportBase): data = yield self.exported_data(items, settings) assert data[feed_options["format"]] == row["expected"] - @defer.inlineCallbacks + @inlineCallbacks def test_storage_file_no_postprocessing(self): @implementer(IFeedStorage) class Storage: @@ -1699,7 +1700,7 @@ class TestFeedExport(TestFeedExportBase): yield self.exported_no_data(settings) assert Storage.open_file is Storage.store_file - @defer.inlineCallbacks + @inlineCallbacks def test_storage_file_postprocessing(self): @implementer(IFeedStorage) class Storage: @@ -1752,7 +1753,7 @@ class TestFeedPostProcessedExports(TestFeedExportBase): def _named_tempfile(self, name) -> str: return str(Path(self.temp_dir, name)) - @defer.inlineCallbacks + @inlineCallbacks def run_and_export(self, spider_cls, settings): """Run spider with specified settings; return exported data with filename.""" @@ -1796,7 +1797,7 @@ class TestFeedPostProcessedExports(TestFeedExportBase): data_stream.seek(0) return data_stream.read() - @defer.inlineCallbacks + @inlineCallbacks def test_gzip_plugin(self): filename = self._named_tempfile("gzip_file") @@ -1815,7 +1816,7 @@ class TestFeedPostProcessedExports(TestFeedExportBase): except OSError: pytest.fail("Received invalid gzip data.") - @defer.inlineCallbacks + @inlineCallbacks def test_gzip_plugin_compresslevel(self): filename_to_compressed = { self._named_tempfile("compresslevel_0"): self.get_gzip_compressed( @@ -1852,7 +1853,7 @@ class TestFeedPostProcessedExports(TestFeedExportBase): assert compressed == data[filename] assert result == self.expected - @defer.inlineCallbacks + @inlineCallbacks def test_gzip_plugin_mtime(self): filename_to_compressed = { self._named_tempfile("mtime_123"): self.get_gzip_compressed( @@ -1887,7 +1888,7 @@ class TestFeedPostProcessedExports(TestFeedExportBase): assert compressed == data[filename] assert result == self.expected - @defer.inlineCallbacks + @inlineCallbacks def test_gzip_plugin_filename(self): filename_to_compressed = { self._named_tempfile("filename_FILE1"): self.get_gzip_compressed( @@ -1922,7 +1923,7 @@ class TestFeedPostProcessedExports(TestFeedExportBase): assert compressed == data[filename] assert result == self.expected - @defer.inlineCallbacks + @inlineCallbacks def test_lzma_plugin(self): filename = self._named_tempfile("lzma_file") @@ -1941,7 +1942,7 @@ class TestFeedPostProcessedExports(TestFeedExportBase): except lzma.LZMAError: pytest.fail("Received invalid lzma data.") - @defer.inlineCallbacks + @inlineCallbacks def test_lzma_plugin_format(self): filename_to_compressed = { self._named_tempfile("format_FORMAT_XZ"): lzma.compress( @@ -1974,7 +1975,7 @@ class TestFeedPostProcessedExports(TestFeedExportBase): assert compressed == data[filename] assert result == self.expected - @defer.inlineCallbacks + @inlineCallbacks def test_lzma_plugin_check(self): filename_to_compressed = { self._named_tempfile("check_CHECK_NONE"): lzma.compress( @@ -2007,7 +2008,7 @@ class TestFeedPostProcessedExports(TestFeedExportBase): assert compressed == data[filename] assert result == self.expected - @defer.inlineCallbacks + @inlineCallbacks def test_lzma_plugin_preset(self): filename_to_compressed = { self._named_tempfile("preset_PRESET_0"): lzma.compress( @@ -2040,11 +2041,11 @@ class TestFeedPostProcessedExports(TestFeedExportBase): assert compressed == data[filename] assert result == self.expected - @defer.inlineCallbacks + @inlineCallbacks def test_lzma_plugin_filters(self): if "PyPy" in sys.version: # https://foss.heptapod.net/pypy/pypy/-/issues/3527 - raise unittest.SkipTest("lzma filters doesn't work in PyPy") + pytest.skip("lzma filters doesn't work in PyPy") filters = [{"id": lzma.FILTER_LZMA2}] compressed = lzma.compress(self.expected, filters=filters) @@ -2065,7 +2066,7 @@ class TestFeedPostProcessedExports(TestFeedExportBase): result = lzma.decompress(data[filename]) assert result == self.expected - @defer.inlineCallbacks + @inlineCallbacks def test_bz2_plugin(self): filename = self._named_tempfile("bz2_file") @@ -2084,7 +2085,7 @@ class TestFeedPostProcessedExports(TestFeedExportBase): except OSError: pytest.fail("Received invalid bz2 data.") - @defer.inlineCallbacks + @inlineCallbacks def test_bz2_plugin_compresslevel(self): filename_to_compressed = { self._named_tempfile("compresslevel_1"): bz2.compress( @@ -2117,7 +2118,7 @@ class TestFeedPostProcessedExports(TestFeedExportBase): assert compressed == data[filename] assert result == self.expected - @defer.inlineCallbacks + @inlineCallbacks def test_custom_plugin(self): filename = self._named_tempfile("csv_file") @@ -2133,7 +2134,7 @@ class TestFeedPostProcessedExports(TestFeedExportBase): data = yield self.exported_data(self.items, settings) assert data[filename] == self.expected - @defer.inlineCallbacks + @inlineCallbacks def test_custom_plugin_with_parameter(self): expected = b"foo\r\n\nbar\r\n\n" filename = self._named_tempfile("newline") @@ -2151,7 +2152,7 @@ class TestFeedPostProcessedExports(TestFeedExportBase): data = yield self.exported_data(self.items, settings) assert data[filename] == expected - @defer.inlineCallbacks + @inlineCallbacks def test_custom_plugin_with_compression(self): expected = b"foo\r\n\nbar\r\n\n" @@ -2196,7 +2197,7 @@ class TestFeedPostProcessedExports(TestFeedExportBase): result = decompressor(data[filename]) assert result == expected - @defer.inlineCallbacks + @inlineCallbacks def test_exports_compatibility_with_postproc(self): import marshal import pickle @@ -2254,7 +2255,7 @@ class TestFeedPostProcessedExports(TestFeedExportBase): class TestBatchDeliveries(TestFeedExportBase): _file_mark = "_%(batch_time)s_#%(batch_id)02d_" - @defer.inlineCallbacks + @inlineCallbacks def run_and_export(self, spider_cls, settings): """Run spider with specified settings; return exported data.""" @@ -2276,7 +2277,7 @@ class TestBatchDeliveries(TestFeedExportBase): content[feed["format"]].append(file.read_bytes()) return content - @defer.inlineCallbacks + @inlineCallbacks def assertExportedJsonLines(self, items, rows, settings=None): settings = settings or {} settings.update( @@ -2298,7 +2299,7 @@ class TestBatchDeliveries(TestFeedExportBase): expected_batch, rows = rows[:batch_size], rows[batch_size:] assert got_batch == expected_batch - @defer.inlineCallbacks + @inlineCallbacks def assertExportedCsv(self, items, header, rows, settings=None): settings = settings or {} settings.update( @@ -2318,7 +2319,7 @@ class TestBatchDeliveries(TestFeedExportBase): expected_batch, rows = rows[:batch_size], rows[batch_size:] assert list(got_batch) == expected_batch - @defer.inlineCallbacks + @inlineCallbacks def assertExportedXml(self, items, rows, settings=None): settings = settings or {} settings.update( @@ -2339,7 +2340,7 @@ class TestBatchDeliveries(TestFeedExportBase): expected_batch, rows = rows[:batch_size], rows[batch_size:] assert got_batch == expected_batch - @defer.inlineCallbacks + @inlineCallbacks def assertExportedMultiple(self, items, rows, settings=None): settings = settings or {} settings.update( @@ -2371,7 +2372,7 @@ class TestBatchDeliveries(TestFeedExportBase): expected_batch, json_rows = json_rows[:batch_size], json_rows[batch_size:] assert got_batch == expected_batch - @defer.inlineCallbacks + @inlineCallbacks def assertExportedPickle(self, items, rows, settings=None): settings = settings or {} settings.update( @@ -2393,7 +2394,7 @@ class TestBatchDeliveries(TestFeedExportBase): expected_batch, rows = rows[:batch_size], rows[batch_size:] assert got_batch == expected_batch - @defer.inlineCallbacks + @inlineCallbacks def assertExportedMarshal(self, items, rows, settings=None): settings = settings or {} settings.update( @@ -2415,7 +2416,7 @@ class TestBatchDeliveries(TestFeedExportBase): expected_batch, rows = rows[:batch_size], rows[batch_size:] assert got_batch == expected_batch - @defer.inlineCallbacks + @inlineCallbacks def test_export_items(self): """Test partial deliveries in all supported formats""" items = [ @@ -2444,7 +2445,7 @@ class TestBatchDeliveries(TestFeedExportBase): with pytest.raises(NotConfigured): FeedExporter(crawler) - @defer.inlineCallbacks + @inlineCallbacks def test_export_no_items_not_store_empty(self): for fmt in ("json", "jsonlines", "xml", "csv"): settings = { @@ -2460,7 +2461,7 @@ class TestBatchDeliveries(TestFeedExportBase): data = dict(data) assert len(data[fmt]) == 0 - @defer.inlineCallbacks + @inlineCallbacks def test_export_no_items_store_empty(self): formats = ( ("json", b"[]"), @@ -2484,7 +2485,7 @@ class TestBatchDeliveries(TestFeedExportBase): data = dict(data) assert data[fmt][0] == expctd - @defer.inlineCallbacks + @inlineCallbacks def test_export_multiple_configs(self): items = [ {"foo": "FOO", "bar": "BAR"}, @@ -2540,7 +2541,7 @@ class TestBatchDeliveries(TestFeedExportBase): for expected_batch, got_batch in zip(expected, data[fmt]): assert got_batch == expected_batch - @defer.inlineCallbacks + @inlineCallbacks def test_batch_item_count_feeds_setting(self): items = [{"foo": "FOO"}, {"foo": "FOO1"}] formats = { @@ -2564,7 +2565,7 @@ class TestBatchDeliveries(TestFeedExportBase): for expected_batch, got_batch in zip(expected, data[fmt]): assert got_batch == expected_batch - @defer.inlineCallbacks + @inlineCallbacks def test_batch_path_differ(self): """ Test that the name of all batch files differ from each other. @@ -2586,7 +2587,7 @@ class TestBatchDeliveries(TestFeedExportBase): data = yield self.exported_data(items, settings) assert len(items) == len(data["json"]) - @defer.inlineCallbacks + @inlineCallbacks def test_stats_batch_file_success(self): settings = { "FEEDS": { @@ -2604,7 +2605,7 @@ class TestBatchDeliveries(TestFeedExportBase): assert crawler.stats.get_value("feedexport/success_count/FileFeedStorage") == 12 @pytest.mark.requires_boto3 - @defer.inlineCallbacks + @inlineCallbacks def test_s3_export(self): bucket = "mybucket" items = [ diff --git a/tests/test_http2_client_protocol.py b/tests/test_http2_client_protocol.py index 0605c2438..ef1806cc0 100644 --- a/tests/test_http2_client_protocol.py +++ b/tests/test_http2_client_protocol.py @@ -9,7 +9,7 @@ from ipaddress import IPv4Address from pathlib import Path from tempfile import mkdtemp from typing import TYPE_CHECKING -from unittest import mock, skipIf +from unittest import mock from urllib.parse import urlencode import pytest @@ -183,7 +183,7 @@ def get_client_certificate( return PrivateCertificate.loadPEM(pem) -@skipIf(not H2_ENABLED, "HTTP/2 support in Twisted is not enabled") +@pytest.mark.skipif(not H2_ENABLED, reason="HTTP/2 support in Twisted is not enabled") class TestHttps2ClientProtocol(TestCase): scheme = "https" key_file = Path(__file__).parent / "keys" / "localhost.key" diff --git a/tests/test_logformatter.py b/tests/test_logformatter.py index 3c9f97631..047f8c610 100644 --- a/tests/test_logformatter.py +++ b/tests/test_logformatter.py @@ -2,7 +2,7 @@ import logging import pytest from testfixtures import LogCapture -from twisted.internet import defer +from twisted.internet.defer import inlineCallbacks from twisted.python.failure import Failure from twisted.trial.unittest import TestCase @@ -272,7 +272,7 @@ class TestShowOrSkipMessages(TestCase): }, } - @defer.inlineCallbacks + @inlineCallbacks def test_show_messages(self): crawler = get_crawler(ItemSpider, self.base_settings) with LogCapture() as lc: @@ -281,7 +281,7 @@ class TestShowOrSkipMessages(TestCase): assert "Crawled (200) Date: Sat, 7 Jun 2025 09:17:36 +0200 Subject: [PATCH 507/786] Remove the old artwork (#6874) --- artwork/README.rst | 20 -------------------- artwork/qlassik.zip | Bin 120204 -> 0 bytes artwork/scrapy-blog-logo.xcf | Bin 52428 -> 0 bytes artwork/scrapy-logo.jpg | Bin 23398 -> 0 bytes 4 files changed, 20 deletions(-) delete mode 100644 artwork/README.rst delete mode 100644 artwork/qlassik.zip delete mode 100644 artwork/scrapy-blog-logo.xcf delete mode 100644 artwork/scrapy-logo.jpg diff --git a/artwork/README.rst b/artwork/README.rst deleted file mode 100644 index c1880ef6c..000000000 --- a/artwork/README.rst +++ /dev/null @@ -1,20 +0,0 @@ -============== -Scrapy artwork -============== - -This folder contains the Scrapy artwork resources such as logos and fonts. - -scrapy-logo.jpg ---------------- - -The main Scrapy logo, in JPEG format. - -qlassik.zip ------------ - -The font used for the Scrapy logo. Homepage: https://www.dafont.com/qlassik.font - -scrapy-blog.logo.xcf --------------------- - -The logo used in the Scrapy blog, in Gimp format. diff --git a/artwork/qlassik.zip b/artwork/qlassik.zip deleted file mode 100644 index 2885c06ef4bab2fd9027bf748bd5ad2a69eb857f..0000000000000000000000000000000000000000 GIT binary patch literal 0 HcmV?d00001 literal 120204 zcmV(+K;6GkO9KQH000080H&bGI*MgI(|wQt0Pr0F01f~E08wmVb8~5HUsOUabaZCy zy?LA@MVU7q5qaO0m06W_SJvHKUENh(-Cfo9HQjUH1H%l*a1Q4TH;5M^iU%U#feN0i zB7(Z2;_HYgq9U&Ax*m8dBI1h2x+-|X)cZtaRZq`=``gd&^ZvO*=Tli(RT=R-@f_dh ziHHPYgir_wkI=g9+jf2LW50Mk!l@?^!s@nN_2!3ub^U%W*@qDl zpF~J_?979wUp)QD+@BEAzl@N)^~@_T_mK^nF7>3W^jL=`^&)t9eS^qWhid*3`9lqZ>7cPje;ywlMm*9Qz+=G{2m3?3R9(YgN zLl^A7^g`iD;VOjfJ#ejj;G#26-}jWi7Gd)dXztpBr(bn3w-f&nK06nF?_YTO!Tn#o z|K{H!9KHsAFI{}mWtR{C$Nm<=9`GaVz4+4o7au}s0Qz$Sq7tC8z-V#J)B2OATGM|- z3il-C=1V*Gd?0xJMXU3f4&v_P-UM$IL{RV#en)=W*^M&XkKyxW?ml*>RsZljy#n;* zNb3Cp{;BXgkPAEK@V)qHU=or0$@TF5hTs+d7&Xz~WJ{2G_qqm=k8DT&#@_pjUwA3I 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zR=ve51+}6o#M&S&9pl=fCOje$JVCx#*2|t4U@ve1n)4^p{;KG-)U-UM%~jaw8!hDm zrt7hY8HcHmK&ubYuo~DCVVXL?h6U_Bh6qaX+qg(n)mGg2md^{TjuD1Y<16XM1M{VU zSE_8*cL%^geVG3X1mOdKfChsni(EZb6~$N#DRsQN!cvrVk#1PTnTl?DA`ftmn7-{B zY?AvDeY0!Su$(}2bkZM34Gu83AX2(JW_k2Q$p|FQC_Epz5MQ0go#$D1$mbrYKD@sq zA*#MhTu2{M38PGIwkon6ET1>w0uf!64(xz~H3!0tPR)f^ZlrB`y?=A-gxrHN9q!55 z+f{ld3*bIOFvG{m~||T%y?JBV!!{;AGD Date: Sat, 7 Jun 2025 09:17:36 +0200 Subject: [PATCH 508/786] Remove the old artwork (#6874) --- artwork/README.rst | 20 -------------------- artwork/qlassik.zip | Bin 120204 -> 0 bytes artwork/scrapy-blog-logo.xcf | Bin 52428 -> 0 bytes artwork/scrapy-logo.jpg | Bin 23398 -> 0 bytes 4 files changed, 20 deletions(-) delete mode 100644 artwork/README.rst delete mode 100644 artwork/qlassik.zip delete mode 100644 artwork/scrapy-blog-logo.xcf delete mode 100644 artwork/scrapy-logo.jpg diff --git a/artwork/README.rst b/artwork/README.rst deleted file mode 100644 index c1880ef6c..000000000 --- a/artwork/README.rst +++ /dev/null @@ -1,20 +0,0 @@ -============== -Scrapy artwork -============== - -This folder contains the Scrapy artwork resources such as logos and fonts. - -scrapy-logo.jpg ---------------- - -The main Scrapy logo, in JPEG format. - -qlassik.zip ------------ - -The font used for the Scrapy logo. Homepage: https://www.dafont.com/qlassik.font - -scrapy-blog.logo.xcf --------------------- - -The logo used in the Scrapy blog, in Gimp format. diff --git a/artwork/qlassik.zip b/artwork/qlassik.zip deleted file mode 100644 index 2885c06ef4bab2fd9027bf748bd5ad2a69eb857f..0000000000000000000000000000000000000000 GIT binary patch literal 0 HcmV?d00001 literal 120204 zcmV(+K;6GkO9KQH000080H&bGI*MgI(|wQt0Pr0F01f~E08wmVb8~5HUsOUabaZCy zy?LA@MVU7q5qaO0m06W_SJvHKUENh(-Cfo9HQjUH1H%l*a1Q4TH;5M^iU%U#feN0i zB7(Z2;_HYgq9U&Ax*m8dBI1h2x+-|X)cZtaRZq`=``gd&^ZvO*=Tli(RT=R-@f_dh ziHHPYgir_wkI=g9+jf2LW50Mk!l@?^!s@nN_2!3ub^U%W*@qDl zpF~J_?979wUp)QD+@BEAzl@N)^~@_T_mK^nF7>3W^jL=`^&)t9eS^qWhid*3`9lqZ>7cPje;ywlMm*9Qz+=G{2m3?3R9(YgN zLl^A7^g`iD;VOjfJ#ejj;G#26-}jWi7Gd)dXztpBr(bn3w-f&nK06nF?_YTO!Tn#o z|K{H!9KHsAFI{}mWtR{C$Nm<=9`GaVz4+4o7au}s0Qz$Sq7tC8z-V#J)B2OATGM|- z3il-C=1V*Gd?0xJMXU3f4&v_P-UM$IL{RV#en)=W*^M&XkKyxW?ml*>RsZljy#n;* zNb3Cp{;BXgkPAEK@V)qHU=or0$@TF5hTs+d7&Xz~WJ{2G_qqm=k8DT&#@_pjUwA3I 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zR=ve51+}6o#M&S&9pl=fCOje$JVCx#*2|t4U@ve1n)4^p{;KG-)U-UM%~jaw8!hDm zrt7hY8HcHmK&ubYuo~DCVVXL?h6U_Bh6qaX+qg(n)mGg2md^{TjuD1Y<16XM1M{VU zSE_8*cL%^geVG3X1mOdKfChsni(EZb6~$N#DRsQN!cvrVk#1PTnTl?DA`ftmn7-{B zY?AvDeY0!Su$(}2bkZM34Gu83AX2(JW_k2Q$p|FQC_Epz5MQ0go#$D1$mbrYKD@sq zA*#MhTu2{M38PGIwkon6ET1>w0uf!64(xz~H3!0tPR)f^ZlrB`y?=A-gxrHN9q!55 z+f{ld3*bIOFvG{m~||T%y?JBV!!{;AGD Date: Mon, 9 Jun 2025 12:53:42 +0500 Subject: [PATCH 509/786] Pin older Twisted in tests, update type hints. (#6882) --- scrapy/core/downloader/handlers/http11.py | 19 +++++++++++-------- scrapy/utils/test.py | 4 ++-- tests/test_core_downloader.py | 14 +++++++++++--- tox.ini | 1 + 4 files changed, 25 insertions(+), 13 deletions(-) diff --git a/scrapy/core/downloader/handlers/http11.py b/scrapy/core/downloader/handlers/http11.py index 74a6e54ee..54fef48b6 100644 --- a/scrapy/core/downloader/handlers/http11.py +++ b/scrapy/core/downloader/handlers/http11.py @@ -8,7 +8,7 @@ import re from contextlib import suppress from io import BytesIO from time import time -from typing import TYPE_CHECKING, Any, TypedDict, TypeVar +from typing import TYPE_CHECKING, Any, TypedDict, TypeVar, cast from urllib.parse import urldefrag, urlparse from twisted.internet import ssl @@ -27,7 +27,7 @@ from twisted.web.client import ( from twisted.web.client import Response as TxResponse from twisted.web.http import PotentialDataLoss, _DataLoss from twisted.web.http_headers import Headers as TxHeaders -from twisted.web.iweb import UNKNOWN_LENGTH, IBodyProducer, IPolicyForHTTPS +from twisted.web.iweb import UNKNOWN_LENGTH, IBodyProducer, IPolicyForHTTPS, IResponse from zope.interface import implementer from scrapy import Request, Spider, signals @@ -286,11 +286,11 @@ class TunnelingAgent(Agent): key: Any, endpoint: TCP4ClientEndpoint, method: bytes, - parsedURI: bytes, + parsedURI: URI, headers: TxHeaders | None, bodyProducer: IBodyProducer | None, requestPath: bytes, - ) -> Deferred[TxResponse]: + ) -> Deferred[IResponse]: # proxy host and port are required for HTTP pool `key` # otherwise, same remote host connection request could reuse # a cached tunneled connection to a different proxy @@ -329,14 +329,14 @@ class ScrapyProxyAgent(Agent): uri: bytes, headers: TxHeaders | None = None, bodyProducer: IBodyProducer | None = None, - ) -> Deferred[TxResponse]: + ) -> Deferred[IResponse]: """ Issue a new request via the configured proxy. """ # Cache *all* connections under the same key, since we are only # connecting to a single destination, the proxy: return self._requestWithEndpoint( - key=("http-proxy", self._proxyURI.host, self._proxyURI.port), + key=(b"http-proxy", self._proxyURI.host, self._proxyURI.port), endpoint=self._getEndpoint(self._proxyURI), method=method, parsedURI=URI.fromBytes(uri), @@ -426,8 +426,11 @@ class ScrapyAgent: headers.removeHeader(b"Proxy-Authorization") bodyproducer = _RequestBodyProducer(request.body) if request.body else None start_time = time() - d: Deferred[TxResponse] = agent.request( - method, to_bytes(url, encoding="ascii"), headers, bodyproducer + d: Deferred[IResponse] = agent.request( + method, + to_bytes(url, encoding="ascii"), + headers, + cast(IBodyProducer, bodyproducer), ) # set download latency d.addCallback(self._cb_latency, request, start_time) diff --git a/scrapy/utils/test.py b/scrapy/utils/test.py index 2da526cd8..94b1a1fc7 100644 --- a/scrapy/utils/test.py +++ b/scrapy/utils/test.py @@ -10,7 +10,7 @@ import warnings from importlib import import_module from pathlib import Path from posixpath import split -from typing import TYPE_CHECKING, Any, TypeVar +from typing import TYPE_CHECKING, Any, TypeVar, cast from unittest import TestCase, mock from twisted.trial.unittest import SkipTest @@ -211,4 +211,4 @@ def get_web_client_agent_req(url: str) -> Deferred[TxResponse]: from twisted.web.client import Agent # imports twisted.internet.reactor agent = Agent(reactor) - return agent.request(b"GET", url.encode("utf-8")) + return cast("Deferred[TxResponse]", agent.request(b"GET", url.encode("utf-8"))) diff --git a/tests/test_core_downloader.py b/tests/test_core_downloader.py index ef77f7843..464320602 100644 --- a/tests/test_core_downloader.py +++ b/tests/test_core_downloader.py @@ -4,7 +4,7 @@ import shutil import warnings from pathlib import Path from tempfile import mkdtemp -from typing import Any +from typing import Any, cast import OpenSSL.SSL import pytest @@ -14,6 +14,7 @@ from twisted.trial import unittest from twisted.web import server, static from twisted.web.client import Agent, BrowserLikePolicyForHTTPS, readBody from twisted.web.client import Response as TxResponse +from twisted.web.iweb import IBodyProducer from scrapy.core.downloader import Slot from scrapy.core.downloader.contextfactory import ( @@ -76,8 +77,15 @@ class TestContextFactoryBase(unittest.TestCase): agent = Agent(reactor, contextFactory=client_context_factory) body_producer = _RequestBodyProducer(body.encode()) if body else None - response: TxResponse = await maybe_deferred_to_future( - agent.request(b"GET", url.encode(), bodyProducer=body_producer) + response: TxResponse = cast( + TxResponse, + await maybe_deferred_to_future( + agent.request( + b"GET", + url.encode(), + bodyProducer=cast(IBodyProducer, body_producer), + ) + ), ) with warnings.catch_warnings(): # https://github.com/twisted/twisted/issues/8227 diff --git a/tox.ini b/tox.ini index 92cfc3794..5680d98d1 100644 --- a/tox.ini +++ b/tox.ini @@ -20,6 +20,7 @@ deps = sybil >= 1.3.0 # https://github.com/cjw296/sybil/issues/20#issuecomment-605433422 testfixtures pywin32; sys_platform == "win32" + Twisted < 25.5.0 # https://github.com/twisted/twisted/issues/12467 [testenv] deps = From 24a827c72e9f5b35ddcd12ccce2ce7c6611d2845 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 9 Jun 2025 12:53:42 +0500 Subject: [PATCH 510/786] Pin older Twisted in tests, update type hints. (#6882) --- scrapy/core/downloader/handlers/http11.py | 19 +++++++++++-------- scrapy/utils/test.py | 4 ++-- tests/test_core_downloader.py | 14 +++++++++++--- tox.ini | 1 + 4 files changed, 25 insertions(+), 13 deletions(-) diff --git a/scrapy/core/downloader/handlers/http11.py b/scrapy/core/downloader/handlers/http11.py index 74a6e54ee..54fef48b6 100644 --- a/scrapy/core/downloader/handlers/http11.py +++ b/scrapy/core/downloader/handlers/http11.py @@ -8,7 +8,7 @@ import re from contextlib import suppress from io import BytesIO from time import time -from typing import TYPE_CHECKING, Any, TypedDict, TypeVar +from typing import TYPE_CHECKING, Any, TypedDict, TypeVar, cast from urllib.parse import urldefrag, urlparse from twisted.internet import ssl @@ -27,7 +27,7 @@ from twisted.web.client import ( from twisted.web.client import Response as TxResponse from twisted.web.http import PotentialDataLoss, _DataLoss from twisted.web.http_headers import Headers as TxHeaders -from twisted.web.iweb import UNKNOWN_LENGTH, IBodyProducer, IPolicyForHTTPS +from twisted.web.iweb import UNKNOWN_LENGTH, IBodyProducer, IPolicyForHTTPS, IResponse from zope.interface import implementer from scrapy import Request, Spider, signals @@ -286,11 +286,11 @@ class TunnelingAgent(Agent): key: Any, endpoint: TCP4ClientEndpoint, method: bytes, - parsedURI: bytes, + parsedURI: URI, headers: TxHeaders | None, bodyProducer: IBodyProducer | None, requestPath: bytes, - ) -> Deferred[TxResponse]: + ) -> Deferred[IResponse]: # proxy host and port are required for HTTP pool `key` # otherwise, same remote host connection request could reuse # a cached tunneled connection to a different proxy @@ -329,14 +329,14 @@ class ScrapyProxyAgent(Agent): uri: bytes, headers: TxHeaders | None = None, bodyProducer: IBodyProducer | None = None, - ) -> Deferred[TxResponse]: + ) -> Deferred[IResponse]: """ Issue a new request via the configured proxy. """ # Cache *all* connections under the same key, since we are only # connecting to a single destination, the proxy: return self._requestWithEndpoint( - key=("http-proxy", self._proxyURI.host, self._proxyURI.port), + key=(b"http-proxy", self._proxyURI.host, self._proxyURI.port), endpoint=self._getEndpoint(self._proxyURI), method=method, parsedURI=URI.fromBytes(uri), @@ -426,8 +426,11 @@ class ScrapyAgent: headers.removeHeader(b"Proxy-Authorization") bodyproducer = _RequestBodyProducer(request.body) if request.body else None start_time = time() - d: Deferred[TxResponse] = agent.request( - method, to_bytes(url, encoding="ascii"), headers, bodyproducer + d: Deferred[IResponse] = agent.request( + method, + to_bytes(url, encoding="ascii"), + headers, + cast(IBodyProducer, bodyproducer), ) # set download latency d.addCallback(self._cb_latency, request, start_time) diff --git a/scrapy/utils/test.py b/scrapy/utils/test.py index 4a732bd72..3780ad23e 100644 --- a/scrapy/utils/test.py +++ b/scrapy/utils/test.py @@ -10,7 +10,7 @@ import warnings from importlib import import_module from pathlib import Path from posixpath import split -from typing import TYPE_CHECKING, Any, TypeVar +from typing import TYPE_CHECKING, Any, TypeVar, cast from unittest import TestCase, mock from twisted.trial.unittest import SkipTest @@ -216,4 +216,4 @@ def get_web_client_agent_req(url: str) -> Deferred[TxResponse]: from twisted.web.client import Agent # imports twisted.internet.reactor agent = Agent(reactor) - return agent.request(b"GET", url.encode("utf-8")) + return cast("Deferred[TxResponse]", agent.request(b"GET", url.encode("utf-8"))) diff --git a/tests/test_core_downloader.py b/tests/test_core_downloader.py index 1bffd69ed..668a2cd1b 100644 --- a/tests/test_core_downloader.py +++ b/tests/test_core_downloader.py @@ -4,7 +4,7 @@ import shutil import warnings from pathlib import Path from tempfile import mkdtemp -from typing import Any +from typing import Any, cast import OpenSSL.SSL import pytest @@ -15,6 +15,7 @@ from twisted.trial import unittest from twisted.web import server, static from twisted.web.client import Agent, BrowserLikePolicyForHTTPS, readBody from twisted.web.client import Response as TxResponse +from twisted.web.iweb import IBodyProducer from scrapy.core.downloader import Slot from scrapy.core.downloader.contextfactory import ( @@ -73,8 +74,15 @@ class TestContextFactoryBase(unittest.TestCase): ) -> bytes: agent = Agent(reactor, contextFactory=client_context_factory) body_producer = _RequestBodyProducer(body.encode()) if body else None - response: TxResponse = await maybe_deferred_to_future( - agent.request(b"GET", url.encode(), bodyProducer=body_producer) + response: TxResponse = cast( + TxResponse, + await maybe_deferred_to_future( + agent.request( + b"GET", + url.encode(), + bodyProducer=cast(IBodyProducer, body_producer), + ) + ), ) with warnings.catch_warnings(): # https://github.com/twisted/twisted/issues/8227 diff --git a/tox.ini b/tox.ini index 92cfc3794..5680d98d1 100644 --- a/tox.ini +++ b/tox.ini @@ -20,6 +20,7 @@ deps = sybil >= 1.3.0 # https://github.com/cjw296/sybil/issues/20#issuecomment-605433422 testfixtures pywin32; sys_platform == "win32" + Twisted < 25.5.0 # https://github.com/twisted/twisted/issues/12467 [testenv] deps = From 6b5a4a64173fc051063f01c05925519e45dbbfdd Mon Sep 17 00:00:00 2001 From: nakanoh Date: Mon, 9 Jun 2025 19:07:01 +0900 Subject: [PATCH 511/786] Minor improvement in cmdline.py (#6875) --- scrapy/cmdline.py | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/scrapy/cmdline.py b/scrapy/cmdline.py index 3d448532b..2b0204071 100644 --- a/scrapy/cmdline.py +++ b/scrapy/cmdline.py @@ -32,8 +32,9 @@ class ScrapyArgumentParser(argparse.ArgumentParser): def _parse_optional( self, arg_string: str ) -> tuple[argparse.Action | None, str, str | None] | None: - # if starts with -: it means that is a parameter not a argument - if arg_string[:2] == "-:": + # Support something like ‘-o -:json’, where ‘-:json’ is a value for + # ‘-o’, not another parameter. + if arg_string.startswith("-:"): return None return super()._parse_optional(arg_string) From 7400868ad5b80f6c91fd69dea476aa8f59ce9081 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 9 Jun 2025 15:19:02 +0500 Subject: [PATCH 512/786] Release notes for 2.13.2. (#6868) * Release notes for 2.13.2. * Update release notes. --- docs/news.rst | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) diff --git a/docs/news.rst b/docs/news.rst index 8b1d51674..8e7d80e26 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -3,6 +3,52 @@ Release notes ============= +.. _release-2.13.2: + +Scrapy 2.13.2 (unreleased) +-------------------------- + +- Fixed a bug introduced in Scrapy 2.13.0 that caused results of request + errbacks to be ignored when the errback was called because of a downloader + error. + (:issue:`6861`, :issue:`6863`) + +- Added a note about the behavior change of + :func:`scrapy.utils.reactor.is_asyncio_reactor_installed` to its docs and + to the "Backward-incompatible changes" section of :ref:`the Scrapy 2.13.0 + release notes `. + (:issue:`6866`) + +- Improved the message in the exception raised by + :func:`scrapy.utils.test.get_reactor_settings` when there is no reactor + installed. + (:issue:`6866`) + +- Updated the :class:`scrapy.crawler.CrawlerRunner` examples in + :ref:`topics-practices` to install the reactor explicitly, to fix + reactor-related errors with Scrapy 2.13.0 and later. + (:issue:`6865`) + +- Fixed ``scrapy fetch`` not working with scrapy-poet_. + (:issue:`6872`) + +- Fixed an exception produced by :class:`scrapy.core.engine.ExecutionEngine` + when it's closed before being fully initialized. + (:issue:`6857`, :issue:`6867`) + +- Improved the README, updated the Scrapy logo in it. + (:issue:`6831`, :issue:`6833`, :issue:`6839`) + +- Restricted the Twisted version used in tests to below 25.5.0, as some tests + fail with 25.5.0. + (:issue:`6878`, :issue:`6882`) + +- Updated type hints for Twisted 25.5.0 changes. + (:issue:`6882`) + +- Removed the old artwork. + (:issue:`6874`) + .. _release-2.13.1: Scrapy 2.13.1 (2025-05-28) From c6740604a405c51e92bedce8617b9151cd9766c4 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 9 Jun 2025 15:21:06 +0500 Subject: [PATCH 513/786] =?UTF-8?q?Bump=20version:=202.13.1=20=E2=86=92=20?= =?UTF-8?q?2.13.2?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- docs/news.rst | 2 +- pyproject.toml | 2 +- scrapy/VERSION | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/docs/news.rst b/docs/news.rst index 8e7d80e26..b2fe78bc6 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -5,7 +5,7 @@ Release notes .. _release-2.13.2: -Scrapy 2.13.2 (unreleased) +Scrapy 2.13.2 (2025-06-09) -------------------------- - Fixed a bug introduced in Scrapy 2.13.0 that caused results of request diff --git a/pyproject.toml b/pyproject.toml index 68c1e07bb..d6aebf514 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -115,7 +115,7 @@ module = "twisted" implicit_reexport = true [tool.bumpversion] -current_version = "2.13.1" +current_version = "2.13.2" commit = true tag = true tag_name = "{new_version}" diff --git a/scrapy/VERSION b/scrapy/VERSION index 94f15e9cc..0e83a9a9c 100644 --- a/scrapy/VERSION +++ b/scrapy/VERSION @@ -1 +1 @@ -2.13.1 +2.13.2 From ac956f8595354fde80bf64b3eaf95a22b3433f98 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Tue, 10 Jun 2025 13:02:27 +0500 Subject: [PATCH 514/786] Replace most of the @inlineCallbacks test helpers. (#6883) --- tests/test_crawl.py | 101 ++-- tests/test_feedexport.py | 619 +++++++++++--------- tests/test_spidermiddleware.py | 219 +++---- tests/test_spidermiddleware_output_chain.py | 75 +-- 4 files changed, 565 insertions(+), 449 deletions(-) diff --git a/tests/test_crawl.py b/tests/test_crawl.py index 4c1f6216b..42f9899f9 100644 --- a/tests/test_crawl.py +++ b/tests/test_crawl.py @@ -4,7 +4,7 @@ import json import logging from ipaddress import IPv4Address from socket import gethostbyname -from typing import Any +from typing import TYPE_CHECKING, Any from urllib.parse import urlparse import pytest @@ -14,11 +14,12 @@ from twisted.internet.ssl import Certificate from twisted.python.failure import Failure from twisted.trial.unittest import TestCase -from scrapy import signals +from scrapy import Spider, signals from scrapy.crawler import CrawlerRunner from scrapy.exceptions import CloseSpider, StopDownload from scrapy.http import Request from scrapy.http.response import Response +from scrapy.utils.defer import deferred_f_from_coro_f, maybe_deferred_to_future from scrapy.utils.python import to_unicode from scrapy.utils.test import get_crawler, get_reactor_settings from tests import NON_EXISTING_RESOLVABLE @@ -55,8 +56,13 @@ from tests.spiders import ( StartItemSpider, ) +if TYPE_CHECKING: + from scrapy.statscollectors import StatsCollector + class TestCrawl(TestCase): + mockserver: MockServer + @classmethod def setUpClass(cls): cls.mockserver = MockServer() @@ -72,16 +78,17 @@ class TestCrawl(TestCase): yield crawler.crawl(mockserver=self.mockserver) assert len(crawler.spider.urls_visited) == 11 # 10 + start_url - @inlineCallbacks - def test_fixed_delay(self): - yield self._test_delay(total=3, delay=0.2) + @deferred_f_from_coro_f + async def test_fixed_delay(self): + await self._test_delay(total=3, delay=0.2) - @inlineCallbacks - def test_randomized_delay(self): - yield self._test_delay(total=3, delay=0.1, randomize=True) + @deferred_f_from_coro_f + async def test_randomized_delay(self): + await self._test_delay(total=3, delay=0.1, randomize=True) - @inlineCallbacks - def _test_delay(self, total, delay, randomize=False): + async def _test_delay( + self, total: int, delay: float, randomize: bool = False + ) -> None: crawl_kwargs = { "maxlatency": delay * 2, "mockserver": self.mockserver, @@ -91,7 +98,9 @@ class TestCrawl(TestCase): settings = {"DOWNLOAD_DELAY": delay, "RANDOMIZE_DOWNLOAD_DELAY": randomize} crawler = get_crawler(FollowAllSpider, settings) - yield crawler.crawl(**crawl_kwargs) + await maybe_deferred_to_future(crawler.crawl(**crawl_kwargs)) + assert crawler.spider + assert isinstance(crawler.spider, FollowAllSpider) times = crawler.spider.times total_time = times[-1] - times[0] average = total_time / (len(times) - 1) @@ -103,7 +112,9 @@ class TestCrawl(TestCase): # code above to have any meaning. settings["DOWNLOAD_DELAY"] = 0 crawler = get_crawler(FollowAllSpider, settings) - yield crawler.crawl(**crawl_kwargs) + await maybe_deferred_to_future(crawler.crawl(**crawl_kwargs)) + assert crawler.spider + assert isinstance(crawler.spider, FollowAllSpider) times = crawler.spider.times total_time = times[-1] - times[0] average = total_time / (len(times) - 1) @@ -428,8 +439,9 @@ class TestCrawlSpider(TestCase): def tearDownClass(cls): cls.mockserver.__exit__(None, None, None) - @inlineCallbacks - def _run_spider(self, spider_cls): + async def _run_spider( + self, spider_cls: type[Spider] + ) -> tuple[LogCapture, list[Any], StatsCollector]: items = [] def _on_item_scraped(item): @@ -438,9 +450,12 @@ class TestCrawlSpider(TestCase): crawler = get_crawler(spider_cls) crawler.signals.connect(_on_item_scraped, signals.item_scraped) with LogCapture() as log: - yield crawler.crawl( - self.mockserver.url("/status?n=200"), mockserver=self.mockserver + await maybe_deferred_to_future( + crawler.crawl( + self.mockserver.url("/status?n=200"), mockserver=self.mockserver + ) ) + assert crawler.stats return log, items, crawler.stats @inlineCallbacks @@ -521,9 +536,9 @@ class TestCrawlSpider(TestCase): assert "Got response 200" in str(log) @pytest.mark.only_asyncio - @inlineCallbacks - def test_async_def_asyncio_parse_items_list(self): - log, items, _ = yield self._run_spider(AsyncDefAsyncioReturnSpider) + @deferred_f_from_coro_f + async def test_async_def_asyncio_parse_items_list(self): + log, items, _ = await self._run_spider(AsyncDefAsyncioReturnSpider) assert "Got response 200" in str(log) assert {"id": 1} in items assert {"id": 2} in items @@ -546,17 +561,17 @@ class TestCrawlSpider(TestCase): assert {"foo": 42} in items @pytest.mark.only_asyncio - @inlineCallbacks - def test_async_def_asyncgen_parse(self): - log, _, stats = yield self._run_spider(AsyncDefAsyncioGenSpider) + @deferred_f_from_coro_f + async def test_async_def_asyncgen_parse(self): + log, _, stats = await self._run_spider(AsyncDefAsyncioGenSpider) assert "Got response 200" in str(log) itemcount = stats.get_value("item_scraped_count") assert itemcount == 1 @pytest.mark.only_asyncio - @inlineCallbacks - def test_async_def_asyncgen_parse_loop(self): - log, items, stats = yield self._run_spider(AsyncDefAsyncioGenLoopSpider) + @deferred_f_from_coro_f + async def test_async_def_asyncgen_parse_loop(self): + log, items, stats = await self._run_spider(AsyncDefAsyncioGenLoopSpider) assert "Got response 200" in str(log) itemcount = stats.get_value("item_scraped_count") assert itemcount == 10 @@ -564,9 +579,9 @@ class TestCrawlSpider(TestCase): assert {"foo": i} in items @pytest.mark.only_asyncio - @inlineCallbacks - def test_async_def_asyncgen_parse_exc(self): - log, items, stats = yield self._run_spider(AsyncDefAsyncioGenExcSpider) + @deferred_f_from_coro_f + async def test_async_def_asyncgen_parse_exc(self): + log, items, stats = await self._run_spider(AsyncDefAsyncioGenExcSpider) log = str(log) assert "Spider error processing" in log assert "ValueError" in log @@ -576,9 +591,9 @@ class TestCrawlSpider(TestCase): assert {"foo": i} in items @pytest.mark.only_asyncio - @inlineCallbacks - def test_async_def_asyncgen_parse_complex(self): - _, items, stats = yield self._run_spider(AsyncDefAsyncioGenComplexSpider) + @deferred_f_from_coro_f + async def test_async_def_asyncgen_parse_complex(self): + _, items, stats = await self._run_spider(AsyncDefAsyncioGenComplexSpider) itemcount = stats.get_value("item_scraped_count") assert itemcount == 156 # some random items @@ -588,27 +603,27 @@ class TestCrawlSpider(TestCase): assert {"index2": i} in items @pytest.mark.only_asyncio - @inlineCallbacks - def test_async_def_asyncio_parse_reqs_list(self): - log, *_ = yield self._run_spider(AsyncDefAsyncioReqsReturnSpider) + @deferred_f_from_coro_f + async def test_async_def_asyncio_parse_reqs_list(self): + log, *_ = await self._run_spider(AsyncDefAsyncioReqsReturnSpider) for req_id in range(3): assert f"Got response 200, req_id {req_id}" in str(log) @pytest.mark.only_not_asyncio - @inlineCallbacks - def test_async_def_deferred_direct(self): - _, items, _ = yield self._run_spider(AsyncDefDeferredDirectSpider) + @deferred_f_from_coro_f + async def test_async_def_deferred_direct(self): + _, items, _ = await self._run_spider(AsyncDefDeferredDirectSpider) assert items == [{"code": 200}] @pytest.mark.only_asyncio - @inlineCallbacks - def test_async_def_deferred_wrapped(self): - log, items, _ = yield self._run_spider(AsyncDefDeferredWrappedSpider) + @deferred_f_from_coro_f + async def test_async_def_deferred_wrapped(self): + log, items, _ = await self._run_spider(AsyncDefDeferredWrappedSpider) assert items == [{"code": 200}] - @inlineCallbacks - def test_async_def_deferred_maybe_wrapped(self): - _, items, _ = yield self._run_spider(AsyncDefDeferredMaybeWrappedSpider) + @deferred_f_from_coro_f + async def test_async_def_deferred_maybe_wrapped(self): + _, items, _ = await self._run_spider(AsyncDefDeferredMaybeWrappedSpider) assert items == [{"code": 200}] @inlineCallbacks diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py index cdf03ca76..262c0b434 100644 --- a/tests/test_feedexport.py +++ b/tests/test_feedexport.py @@ -33,7 +33,7 @@ from zope.interface import implementer from zope.interface.verify import verifyObject import scrapy -from scrapy import signals +from scrapy import Spider, signals from scrapy.exceptions import NotConfigured, ScrapyDeprecationWarning from scrapy.exporters import CsvItemExporter, JsonItemExporter from scrapy.extensions.feedexport import ( @@ -48,12 +48,14 @@ from scrapy.extensions.feedexport import ( StdoutFeedStorage, ) from scrapy.settings import Settings +from scrapy.utils.defer import deferred_f_from_coro_f, maybe_deferred_to_future from scrapy.utils.python import to_unicode from scrapy.utils.test import get_crawler from tests.mockserver import MockFTPServer, MockServer from tests.spiders import ItemSpider if TYPE_CHECKING: + from collections.abc import Iterable from os import PathLike @@ -89,24 +91,25 @@ def mock_google_cloud_storage() -> tuple[Any, Any, Any]: return (client_mock, bucket_mock, blob_mock) +# TODO: replace self.mktemp() and drop the unittest.TestCase base class TestFileFeedStorage(unittest.TestCase): def test_store_file_uri(self): path = Path(self.mktemp()).resolve() uri = path_to_file_uri(str(path)) - return self._assert_stores(FileFeedStorage(uri), path) + self._assert_stores(FileFeedStorage(uri), path) def test_store_file_uri_makedirs(self): path = Path(self.mktemp()).resolve() / "more" / "paths" / "file.txt" uri = path_to_file_uri(str(path)) - return self._assert_stores(FileFeedStorage(uri), path) + self._assert_stores(FileFeedStorage(uri), path) def test_store_direct_path(self): path = Path(self.mktemp()).resolve() - return self._assert_stores(FileFeedStorage(str(path)), path) + self._assert_stores(FileFeedStorage(str(path)), path) def test_store_direct_path_relative(self): path = Path(self.mktemp()) - return self._assert_stores(FileFeedStorage(str(path)), path) + self._assert_stores(FileFeedStorage(str(path)), path) def test_interface(self): path = self.mktemp() @@ -124,20 +127,21 @@ class TestFileFeedStorage(unittest.TestCase): def test_append(self): path = self._store() - return self._assert_stores(FileFeedStorage(str(path)), path, b"contentcontent") + self._assert_stores(FileFeedStorage(str(path)), path, b"contentcontent") def test_overwrite(self): path = self._store({"overwrite": True}) - return self._assert_stores( + self._assert_stores( FileFeedStorage(str(path), feed_options={"overwrite": True}), path ) - @inlineCallbacks - def _assert_stores(self, storage, path: Path, expected_content=b"content"): + def _assert_stores( + self, storage: FileFeedStorage, path: Path, expected_content: bytes = b"content" + ) -> None: spider = scrapy.Spider("default") file = storage.open(spider) file.write(b"content") - yield storage.store(file) + storage.store(file) assert path.exists() try: assert path.read_bytes() == expected_content @@ -153,7 +157,7 @@ class TestFTPFeedStorage(unittest.TestCase): crawler = get_crawler(settings_dict=settings) return TestSpider.from_crawler(crawler) - def _store(self, uri, content, feed_options=None, settings=None): + async def _store(self, uri, content, feed_options=None, settings=None): crawler = get_crawler(settings_dict=settings or {}) storage = FTPFeedStorage.from_crawler( crawler, @@ -164,7 +168,7 @@ class TestFTPFeedStorage(unittest.TestCase): spider = self.get_test_spider() file = storage.open(spider) file.write(content) - return storage.store(file) + await maybe_deferred_to_future(storage.store(file)) def _assert_stored(self, path: Path, content): assert path.exists() @@ -173,44 +177,44 @@ class TestFTPFeedStorage(unittest.TestCase): finally: path.unlink() - @inlineCallbacks - def test_append(self): + @deferred_f_from_coro_f + async def test_append(self): with MockFTPServer() as ftp_server: filename = "file" url = ftp_server.url(filename) feed_options = {"overwrite": False} - yield self._store(url, b"foo", feed_options=feed_options) - yield self._store(url, b"bar", feed_options=feed_options) + await self._store(url, b"foo", feed_options=feed_options) + await self._store(url, b"bar", feed_options=feed_options) self._assert_stored(ftp_server.path / filename, b"foobar") - @inlineCallbacks - def test_overwrite(self): + @deferred_f_from_coro_f + async def test_overwrite(self): with MockFTPServer() as ftp_server: filename = "file" url = ftp_server.url(filename) - yield self._store(url, b"foo") - yield self._store(url, b"bar") + await self._store(url, b"foo") + await self._store(url, b"bar") self._assert_stored(ftp_server.path / filename, b"bar") - @inlineCallbacks - def test_append_active_mode(self): + @deferred_f_from_coro_f + async def test_append_active_mode(self): with MockFTPServer() as ftp_server: settings = {"FEED_STORAGE_FTP_ACTIVE": True} filename = "file" url = ftp_server.url(filename) feed_options = {"overwrite": False} - yield self._store(url, b"foo", feed_options=feed_options, settings=settings) - yield self._store(url, b"bar", feed_options=feed_options, settings=settings) + await self._store(url, b"foo", feed_options=feed_options, settings=settings) + await self._store(url, b"bar", feed_options=feed_options, settings=settings) self._assert_stored(ftp_server.path / filename, b"foobar") - @inlineCallbacks - def test_overwrite_active_mode(self): + @deferred_f_from_coro_f + async def test_overwrite_active_mode(self): with MockFTPServer() as ftp_server: settings = {"FEED_STORAGE_FTP_ACTIVE": True} filename = "file" url = ftp_server.url(filename) - yield self._store(url, b"foo", settings=settings) - yield self._store(url, b"bar", settings=settings) + await self._store(url, b"foo", settings=settings) + await self._store(url, b"bar", settings=settings) self._assert_stored(ftp_server.path / filename, b"bar") def test_uri_auth_quote(self): @@ -291,8 +295,8 @@ class TestS3FeedStorage(unittest.TestCase): assert storage.access_key == "uri_key" assert storage.secret_key == "uri_secret" - @inlineCallbacks - def test_store(self): + @deferred_f_from_coro_f + async def test_store(self): settings = { "AWS_ACCESS_KEY_ID": "access_key", "AWS_SECRET_ACCESS_KEY": "secret_key", @@ -306,7 +310,7 @@ class TestS3FeedStorage(unittest.TestCase): file = mock.MagicMock() storage.s3_client = mock.MagicMock() - yield storage.store(file) + await maybe_deferred_to_future(storage.store(file)) assert storage.s3_client.upload_fileobj.call_args == mock.call( Bucket=bucket, Key=key, Fileobj=file ) @@ -432,8 +436,8 @@ class TestS3FeedStorage(unittest.TestCase): assert storage.region_name == region_name assert storage.s3_client._client_config.region_name == region_name - @inlineCallbacks - def test_store_without_acl(self): + @deferred_f_from_coro_f + async def test_store_without_acl(self): storage = S3FeedStorage( "s3://mybucket/export.csv", "access_key", @@ -444,7 +448,7 @@ class TestS3FeedStorage(unittest.TestCase): assert storage.acl is None storage.s3_client = mock.MagicMock() - yield storage.store(BytesIO(b"test file")) + await maybe_deferred_to_future(storage.store(BytesIO(b"test file"))) acl = ( storage.s3_client.upload_fileobj.call_args[1] .get("ExtraArgs", {}) @@ -452,8 +456,8 @@ class TestS3FeedStorage(unittest.TestCase): ) assert acl is None - @inlineCallbacks - def test_store_with_acl(self): + @deferred_f_from_coro_f + async def test_store_with_acl(self): storage = S3FeedStorage( "s3://mybucket/export.csv", "access_key", "secret_key", "custom-acl" ) @@ -462,7 +466,7 @@ class TestS3FeedStorage(unittest.TestCase): assert storage.acl == "custom-acl" storage.s3_client = mock.MagicMock() - yield storage.store(BytesIO(b"test file")) + await maybe_deferred_to_future(storage.store(BytesIO(b"test file"))) acl = storage.s3_client.upload_fileobj.call_args[1]["ExtraArgs"]["ACL"] assert acl == "custom-acl" @@ -516,8 +520,8 @@ class TestGCSFeedStorage(unittest.TestCase): storage = GCSFeedStorage.from_crawler(crawler, "gs://mybucket/export.csv") assert storage.acl is None - @inlineCallbacks - def test_store(self): + @deferred_f_from_coro_f + async def test_store(self): try: from google.cloud.storage import Client # noqa: F401 except ImportError: @@ -532,7 +536,7 @@ class TestGCSFeedStorage(unittest.TestCase): f = mock.Mock() storage = GCSFeedStorage(uri, project_id, acl) - yield storage.store(f) + await maybe_deferred_to_future(storage.store(f)) f.seek.assert_called_once_with(0) m.assert_called_once_with(project=project_id) @@ -556,14 +560,13 @@ class TestGCSFeedStorage(unittest.TestCase): assert "GCS does not support appending to files" in str(log) -class TestStdoutFeedStorage(unittest.TestCase): - @inlineCallbacks +class TestStdoutFeedStorage: def test_store(self): out = BytesIO() storage = StdoutFeedStorage("stdout:", _stdout=out) file = storage.open(scrapy.Spider("default")) file.write(b"content") - yield storage.store(file) + storage.store(file) assert out.getvalue() == b"content" def test_overwrite_default(self): @@ -641,6 +644,8 @@ class LogOnStoreFileStorage: class TestFeedExportBase(ABC, unittest.TestCase): + mockserver: MockServer + class MyItem(scrapy.Item): foo = scrapy.Field() egg = scrapy.Field() @@ -670,8 +675,9 @@ class TestFeedExportBase(ABC, unittest.TestCase): def tearDown(self): shutil.rmtree(self.temp_dir, ignore_errors=True) - @inlineCallbacks - def exported_data(self, items, settings): + async def exported_data( + self, items: Iterable[Any], settings: dict[str, Any] + ) -> dict[str, Any]: """ Return exported data which a spider yielding ``items`` would return. """ @@ -682,11 +688,9 @@ class TestFeedExportBase(ABC, unittest.TestCase): def parse(self, response): yield from items - data = yield self.run_and_export(TestSpider, settings) - return data + return await self.run_and_export(TestSpider, settings) - @inlineCallbacks - def exported_no_data(self, settings): + async def exported_no_data(self, settings: dict[str, Any]) -> dict[str, Any]: """ Return exported data which a spider yielding no ``items`` would return. """ @@ -697,20 +701,75 @@ class TestFeedExportBase(ABC, unittest.TestCase): def parse(self, response): pass - data = yield self.run_and_export(TestSpider, settings) - return data + return await self.run_and_export(TestSpider, settings) - @inlineCallbacks - def assertExported(self, items, header, rows, settings=None): - yield self.assertExportedCsv(items, header, rows, settings) - yield self.assertExportedJsonLines(items, rows, settings) - yield self.assertExportedXml(items, rows, settings) - yield self.assertExportedPickle(items, rows, settings) - yield self.assertExportedMarshal(items, rows, settings) - yield self.assertExportedMultiple(items, rows, settings) + async def assertExported( + self, + items: Iterable[Any], + header: Iterable[str], + rows: Iterable[dict[str, Any]], + settings: dict[str, Any] | None = None, + ) -> None: + await self.assertExportedCsv(items, header, rows, settings) + await self.assertExportedJsonLines(items, rows, settings) + await self.assertExportedXml(items, rows, settings) + await self.assertExportedPickle(items, rows, settings) + await self.assertExportedMarshal(items, rows, settings) + await self.assertExportedMultiple(items, rows, settings) + + async def assertExportedCsv( + self, + items: Iterable[Any], + header: Iterable[str], + rows: Iterable[dict[str, Any]], + settings: dict[str, Any] | None = None, + ) -> None: + pass + + async def assertExportedJsonLines( + self, + items: Iterable[Any], + rows: Iterable[dict[str, Any]], + settings: dict[str, Any] | None = None, + ) -> None: + pass + + async def assertExportedXml( + self, + items: Iterable[Any], + rows: Iterable[dict[str, Any]], + settings: dict[str, Any] | None = None, + ) -> None: + pass + + async def assertExportedMultiple( + self, + items: Iterable[Any], + rows: Iterable[dict[str, Any]], + settings: dict[str, Any] | None = None, + ) -> None: + pass + + async def assertExportedPickle( + self, + items: Iterable[Any], + rows: Iterable[dict[str, Any]], + settings: dict[str, Any] | None = None, + ) -> None: + pass + + async def assertExportedMarshal( + self, + items: Iterable[Any], + rows: Iterable[dict[str, Any]], + settings: dict[str, Any] | None = None, + ) -> None: + pass @abstractmethod - def run_and_export(self, spider_cls, settings): + async def run_and_export( + self, spider_cls: type[Spider], settings: dict[str, Any] + ) -> dict[str, Any]: pass def _load_until_eof(self, data, load_func): @@ -771,8 +830,9 @@ class ExceptionJsonItemExporter(JsonItemExporter): class TestFeedExport(TestFeedExportBase): - @inlineCallbacks - def run_and_export(self, spider_cls, settings): + async def run_and_export( + self, spider_cls: type[Spider], settings: dict[str, Any] + ) -> dict[str, Any]: """Run spider with specified settings; return exported data.""" FEEDS = settings.get("FEEDS") or {} @@ -781,11 +841,11 @@ class TestFeedExport(TestFeedExportBase): for file_path, feed_options in FEEDS.items() } - content = {} + content: dict[str, Any] = {} try: spider_cls.start_urls = [self.mockserver.url("/")] crawler = get_crawler(spider_cls, settings) - yield crawler.crawl() + await maybe_deferred_to_future(crawler.crawl()) for file_path, feed_options in FEEDS.items(): content[feed_options["format"]] = ( @@ -801,8 +861,13 @@ class TestFeedExport(TestFeedExportBase): return content - @inlineCallbacks - def assertExportedCsv(self, items, header, rows, settings=None): + async def assertExportedCsv( + self, + items: Iterable[Any], + header: Iterable[str], + rows: Iterable[dict[str, Any]], + settings: dict[str, Any] | None = None, + ) -> None: settings = settings or {} settings.update( { @@ -811,13 +876,17 @@ class TestFeedExport(TestFeedExportBase): }, } ) - data = yield self.exported_data(items, settings) + data = await self.exported_data(items, settings) reader = csv.DictReader(to_unicode(data["csv"]).splitlines()) assert reader.fieldnames == list(header) assert rows == list(reader) - @inlineCallbacks - def assertExportedJsonLines(self, items, rows, settings=None): + async def assertExportedJsonLines( + self, + items: Iterable[Any], + rows: Iterable[dict[str, Any]], + settings: dict[str, Any] | None = None, + ) -> None: settings = settings or {} settings.update( { @@ -826,13 +895,17 @@ class TestFeedExport(TestFeedExportBase): }, } ) - data = yield self.exported_data(items, settings) + data = await self.exported_data(items, settings) parsed = [json.loads(to_unicode(line)) for line in data["jl"].splitlines()] rows = [{k: v for k, v in row.items() if v} for row in rows] assert rows == parsed - @inlineCallbacks - def assertExportedXml(self, items, rows, settings=None): + async def assertExportedXml( + self, + items: Iterable[Any], + rows: Iterable[dict[str, Any]], + settings: dict[str, Any] | None = None, + ) -> None: settings = settings or {} settings.update( { @@ -841,14 +914,18 @@ class TestFeedExport(TestFeedExportBase): }, } ) - data = yield self.exported_data(items, settings) + data = await self.exported_data(items, settings) rows = [{k: v for k, v in row.items() if v} for row in rows] root = lxml.etree.fromstring(data["xml"]) got_rows = [{e.tag: e.text for e in it} for it in root.findall("item")] assert rows == got_rows - @inlineCallbacks - def assertExportedMultiple(self, items, rows, settings=None): + async def assertExportedMultiple( + self, + items: Iterable[Any], + rows: Iterable[dict[str, Any]], + settings: dict[str, Any] | None = None, + ) -> None: settings = settings or {} settings.update( { @@ -858,7 +935,7 @@ class TestFeedExport(TestFeedExportBase): }, } ) - data = yield self.exported_data(items, settings) + data = await self.exported_data(items, settings) rows = [{k: v for k, v in row.items() if v} for row in rows] # XML root = lxml.etree.fromstring(data["xml"]) @@ -868,8 +945,12 @@ class TestFeedExport(TestFeedExportBase): json_rows = json.loads(to_unicode(data["json"])) assert rows == json_rows - @inlineCallbacks - def assertExportedPickle(self, items, rows, settings=None): + async def assertExportedPickle( + self, + items: Iterable[Any], + rows: Iterable[dict[str, Any]], + settings: dict[str, Any] | None = None, + ) -> None: settings = settings or {} settings.update( { @@ -878,15 +959,19 @@ class TestFeedExport(TestFeedExportBase): }, } ) - data = yield self.exported_data(items, settings) + data = await self.exported_data(items, settings) expected = [{k: v for k, v in row.items() if v} for row in rows] import pickle result = self._load_until_eof(data["pickle"], load_func=pickle.load) assert result == expected - @inlineCallbacks - def assertExportedMarshal(self, items, rows, settings=None): + async def assertExportedMarshal( + self, + items: Iterable[Any], + rows: Iterable[dict[str, Any]], + settings: dict[str, Any] | None = None, + ) -> None: settings = settings or {} settings.update( { @@ -895,7 +980,7 @@ class TestFeedExport(TestFeedExportBase): }, } ) - data = yield self.exported_data(items, settings) + data = await self.exported_data(items, settings) expected = [{k: v for k, v in row.items() if v} for row in rows] import marshal @@ -956,8 +1041,8 @@ class TestFeedExport(TestFeedExportBase): crawler.stats.get_value("feedexport/success_count/StdoutFeedStorage") == 1 ) - @inlineCallbacks - def test_export_items(self): + @deferred_f_from_coro_f + async def test_export_items(self): # feed exporters use field names from Item items = [ self.MyItem({"foo": "bar1", "egg": "spam1"}), @@ -968,10 +1053,10 @@ class TestFeedExport(TestFeedExportBase): {"egg": "spam2", "foo": "bar2", "baz": "quux2"}, ] header = self.MyItem.fields.keys() - yield self.assertExported(items, header, rows) + await self.assertExported(items, header, rows) - @inlineCallbacks - def test_export_no_items_not_store_empty(self): + @deferred_f_from_coro_f + async def test_export_no_items_not_store_empty(self): for fmt in ("json", "jsonlines", "xml", "csv"): settings = { "FEEDS": { @@ -979,11 +1064,11 @@ class TestFeedExport(TestFeedExportBase): }, "FEED_STORE_EMPTY": False, } - data = yield self.exported_no_data(settings) + data = await self.exported_no_data(settings) assert data[fmt] is None - @inlineCallbacks - def test_start_finish_exporting_items(self): + @deferred_f_from_coro_f + async def test_start_finish_exporting_items(self): items = [ self.MyItem({"foo": "bar1", "egg": "spam1"}), ] @@ -998,12 +1083,12 @@ class TestFeedExport(TestFeedExportBase): InstrumentedFeedSlot.subscribe__listener(listener) with mock.patch("scrapy.extensions.feedexport.FeedSlot", InstrumentedFeedSlot): - _ = yield self.exported_data(items, settings) + await self.exported_data(items, settings) assert not listener.start_without_finish assert not listener.finish_without_start - @inlineCallbacks - def test_start_finish_exporting_no_items(self): + @deferred_f_from_coro_f + async def test_start_finish_exporting_no_items(self): items = [] settings = { "FEEDS": { @@ -1016,12 +1101,12 @@ class TestFeedExport(TestFeedExportBase): InstrumentedFeedSlot.subscribe__listener(listener) with mock.patch("scrapy.extensions.feedexport.FeedSlot", InstrumentedFeedSlot): - _ = yield self.exported_data(items, settings) + await self.exported_data(items, settings) assert not listener.start_without_finish assert not listener.finish_without_start - @inlineCallbacks - def test_start_finish_exporting_items_exception(self): + @deferred_f_from_coro_f + async def test_start_finish_exporting_items_exception(self): items = [ self.MyItem({"foo": "bar1", "egg": "spam1"}), ] @@ -1037,12 +1122,12 @@ class TestFeedExport(TestFeedExportBase): InstrumentedFeedSlot.subscribe__listener(listener) with mock.patch("scrapy.extensions.feedexport.FeedSlot", InstrumentedFeedSlot): - _ = yield self.exported_data(items, settings) + await self.exported_data(items, settings) assert not listener.start_without_finish assert not listener.finish_without_start - @inlineCallbacks - def test_start_finish_exporting_no_items_exception(self): + @deferred_f_from_coro_f + async def test_start_finish_exporting_no_items_exception(self): items = [] settings = { "FEEDS": { @@ -1056,12 +1141,12 @@ class TestFeedExport(TestFeedExportBase): InstrumentedFeedSlot.subscribe__listener(listener) with mock.patch("scrapy.extensions.feedexport.FeedSlot", InstrumentedFeedSlot): - _ = yield self.exported_data(items, settings) + await self.exported_data(items, settings) assert not listener.start_without_finish assert not listener.finish_without_start - @inlineCallbacks - def test_export_no_items_store_empty(self): + @deferred_f_from_coro_f + async def test_export_no_items_store_empty(self): formats = ( ("json", b"[]"), ("jsonlines", b""), @@ -1077,11 +1162,11 @@ class TestFeedExport(TestFeedExportBase): "FEED_STORE_EMPTY": True, "FEED_EXPORT_INDENT": None, } - data = yield self.exported_no_data(settings) + data = await self.exported_no_data(settings) assert expctd == data[fmt] - @inlineCallbacks - def test_export_no_items_multiple_feeds(self): + @deferred_f_from_coro_f + async def test_export_no_items_multiple_feeds(self): """Make sure that `storage.store` is called for every feed.""" settings = { "FEEDS": { @@ -1094,12 +1179,12 @@ class TestFeedExport(TestFeedExportBase): } with LogCapture() as log: - yield self.exported_no_data(settings) + await self.exported_no_data(settings) assert str(log).count("Storage.store is called") == 0 - @inlineCallbacks - def test_export_multiple_item_classes(self): + @deferred_f_from_coro_f + async def test_export_multiple_item_classes(self): items = [ self.MyItem({"foo": "bar1", "egg": "spam1"}), self.MyItem2({"hello": "world2", "foo": "bar2"}), @@ -1117,53 +1202,53 @@ class TestFeedExport(TestFeedExportBase): {"egg": "spam4", "foo": "", "baz": ""}, ] rows_jl = [dict(row) for row in items] - yield self.assertExportedCsv(items, header, rows_csv) - yield self.assertExportedJsonLines(items, rows_jl) + await self.assertExportedCsv(items, header, rows_csv) + await self.assertExportedJsonLines(items, rows_jl) - @inlineCallbacks - def test_export_items_empty_field_list(self): + @deferred_f_from_coro_f + async def test_export_items_empty_field_list(self): # FEED_EXPORT_FIELDS==[] means the same as default None items = [{"foo": "bar"}] header = ["foo"] rows = [{"foo": "bar"}] settings = {"FEED_EXPORT_FIELDS": []} - yield self.assertExportedCsv(items, header, rows) - yield self.assertExportedJsonLines(items, rows, settings) + await self.assertExportedCsv(items, header, rows) + await self.assertExportedJsonLines(items, rows, settings) - @inlineCallbacks - def test_export_items_field_list(self): + @deferred_f_from_coro_f + async def test_export_items_field_list(self): items = [{"foo": "bar"}] header = ["foo", "baz"] rows = [{"foo": "bar", "baz": ""}] settings = {"FEED_EXPORT_FIELDS": header} - yield self.assertExported(items, header, rows, settings=settings) + await self.assertExported(items, header, rows, settings=settings) - @inlineCallbacks - def test_export_items_comma_separated_field_list(self): + @deferred_f_from_coro_f + async def test_export_items_comma_separated_field_list(self): items = [{"foo": "bar"}] header = ["foo", "baz"] rows = [{"foo": "bar", "baz": ""}] settings = {"FEED_EXPORT_FIELDS": ",".join(header)} - yield self.assertExported(items, header, rows, settings=settings) + await self.assertExported(items, header, rows, settings=settings) - @inlineCallbacks - def test_export_items_json_field_list(self): + @deferred_f_from_coro_f + async def test_export_items_json_field_list(self): items = [{"foo": "bar"}] header = ["foo", "baz"] rows = [{"foo": "bar", "baz": ""}] settings = {"FEED_EXPORT_FIELDS": json.dumps(header)} - yield self.assertExported(items, header, rows, settings=settings) + await self.assertExported(items, header, rows, settings=settings) - @inlineCallbacks - def test_export_items_field_names(self): + @deferred_f_from_coro_f + async def test_export_items_field_names(self): items = [{"foo": "bar"}] header = {"foo": "Foo"} rows = [{"Foo": "bar"}] settings = {"FEED_EXPORT_FIELDS": header} - yield self.assertExported(items, list(header.values()), rows, settings=settings) + await self.assertExported(items, list(header.values()), rows, settings=settings) - @inlineCallbacks - def test_export_items_dict_field_names(self): + @deferred_f_from_coro_f + async def test_export_items_dict_field_names(self): items = [{"foo": "bar"}] header = { "baz": "Baz", @@ -1171,18 +1256,18 @@ class TestFeedExport(TestFeedExportBase): } rows = [{"Baz": "", "Foo": "bar"}] settings = {"FEED_EXPORT_FIELDS": header} - yield self.assertExported(items, ["Baz", "Foo"], rows, settings=settings) + await self.assertExported(items, ["Baz", "Foo"], rows, settings=settings) - @inlineCallbacks - def test_export_items_json_field_names(self): + @deferred_f_from_coro_f + async def test_export_items_json_field_names(self): items = [{"foo": "bar"}] header = {"foo": "Foo"} rows = [{"Foo": "bar"}] settings = {"FEED_EXPORT_FIELDS": json.dumps(header)} - yield self.assertExported(items, list(header.values()), rows, settings=settings) + await self.assertExported(items, list(header.values()), rows, settings=settings) - @inlineCallbacks - def test_export_based_on_item_classes(self): + @deferred_f_from_coro_f + async def test_export_based_on_item_classes(self): items = [ self.MyItem({"foo": "bar1", "egg": "spam1"}), self.MyItem2({"hello": "world2", "foo": "bar2"}), @@ -1223,12 +1308,12 @@ class TestFeedExport(TestFeedExportBase): }, } - data = yield self.exported_data(items, settings) + data = await self.exported_data(items, settings) for fmt, expected in formats.items(): assert data[fmt] == expected - @inlineCallbacks - def test_export_based_on_custom_filters(self): + @deferred_f_from_coro_f + async def test_export_based_on_custom_filters(self): items = [ self.MyItem({"foo": "bar1", "egg": "spam1"}), self.MyItem2({"hello": "world2", "foo": "bar2"}), @@ -1282,12 +1367,12 @@ class TestFeedExport(TestFeedExportBase): }, } - data = yield self.exported_data(items, settings) + data = await self.exported_data(items, settings) for fmt, expected in formats.items(): assert data[fmt] == expected - @inlineCallbacks - def test_export_dicts(self): + @deferred_f_from_coro_f + async def test_export_dicts(self): # When dicts are used, only keys from the first row are used as # a header for CSV, and all fields are used for JSON Lines. items = [ @@ -1296,11 +1381,11 @@ class TestFeedExport(TestFeedExportBase): ] rows_csv = [{"egg": "spam", "foo": "bar"}, {"egg": "spam", "foo": "bar"}] rows_jl = items - yield self.assertExportedCsv(items, ["foo", "egg"], rows_csv) - yield self.assertExportedJsonLines(items, rows_jl) + await self.assertExportedCsv(items, ["foo", "egg"], rows_csv) + await self.assertExportedJsonLines(items, rows_jl) - @inlineCallbacks - def test_export_tuple(self): + @deferred_f_from_coro_f + async def test_export_tuple(self): items = [ {"foo": "bar1", "egg": "spam1"}, {"foo": "bar2", "egg": "spam2", "baz": "quux"}, @@ -1308,10 +1393,10 @@ class TestFeedExport(TestFeedExportBase): settings = {"FEED_EXPORT_FIELDS": ("foo", "baz")} rows = [{"foo": "bar1", "baz": ""}, {"foo": "bar2", "baz": "quux"}] - yield self.assertExported(items, ["foo", "baz"], rows, settings=settings) + await self.assertExported(items, ["foo", "baz"], rows, settings=settings) - @inlineCallbacks - def test_export_feed_export_fields(self): + @deferred_f_from_coro_f + async def test_export_feed_export_fields(self): # FEED_EXPORT_FIELDS option allows to order export fields # and to select a subset of fields to export, both for Items and dicts. @@ -1327,17 +1412,17 @@ class TestFeedExport(TestFeedExportBase): {"egg": "spam1", "foo": "bar1", "baz": ""}, {"egg": "spam2", "foo": "bar2", "baz": "quux2"}, ] - yield self.assertExported( + await self.assertExported( items, ["foo", "baz", "egg"], rows, settings=settings ) # export a subset of columns settings = {"FEED_EXPORT_FIELDS": "egg,baz"} rows = [{"egg": "spam1", "baz": ""}, {"egg": "spam2", "baz": "quux2"}] - yield self.assertExported(items, ["egg", "baz"], rows, settings=settings) + await self.assertExported(items, ["egg", "baz"], rows, settings=settings) - @inlineCallbacks - def test_export_encoding(self): + @deferred_f_from_coro_f + async def test_export_encoding(self): items = [{"foo": "Test\xd6"}] formats = { @@ -1357,7 +1442,7 @@ class TestFeedExport(TestFeedExportBase): }, "FEED_EXPORT_INDENT": None, } - data = yield self.exported_data(items, settings) + data = await self.exported_data(items, settings) assert data[fmt] == expected formats = { @@ -1378,11 +1463,11 @@ class TestFeedExport(TestFeedExportBase): "FEED_EXPORT_INDENT": None, "FEED_EXPORT_ENCODING": "latin-1", } - data = yield self.exported_data(items, settings) + data = await self.exported_data(items, settings) assert data[fmt] == expected - @inlineCallbacks - def test_export_multiple_configs(self): + @deferred_f_from_coro_f + async def test_export_multiple_configs(self): items = [{"foo": "FOO", "bar": "BAR"}] formats = { @@ -1417,12 +1502,12 @@ class TestFeedExport(TestFeedExportBase): }, } - data = yield self.exported_data(items, settings) + data = await self.exported_data(items, settings) for fmt, expected in formats.items(): assert data[fmt] == expected - @inlineCallbacks - def test_export_indentation(self): + @deferred_f_from_coro_f + async def test_export_indentation(self): items = [ {"foo": ["bar"]}, {"key": "value"}, @@ -1574,11 +1659,11 @@ class TestFeedExport(TestFeedExportBase): }, }, } - data = yield self.exported_data(items, settings) + data = await self.exported_data(items, settings) assert data[row["format"]] == row["expected"] - @inlineCallbacks - def test_init_exporters_storages_with_crawler(self): + @deferred_f_from_coro_f + async def test_init_exporters_storages_with_crawler(self): settings = { "FEED_EXPORTERS": {"csv": FromCrawlerCsvItemExporter}, "FEED_STORAGES": {"file": FromCrawlerFileFeedStorage}, @@ -1586,21 +1671,21 @@ class TestFeedExport(TestFeedExportBase): self._random_temp_filename(): {"format": "csv"}, }, } - yield self.exported_data(items=[], settings=settings) + await self.exported_data(items=[], settings=settings) assert FromCrawlerCsvItemExporter.init_with_crawler assert FromCrawlerFileFeedStorage.init_with_crawler - @inlineCallbacks - def test_str_uri(self): + @deferred_f_from_coro_f + async def test_str_uri(self): settings = { "FEED_STORE_EMPTY": True, "FEEDS": {str(self._random_temp_filename()): {"format": "csv"}}, } - data = yield self.exported_no_data(settings) + data = await self.exported_no_data(settings) assert data["csv"] == b"" - @inlineCallbacks - def test_multiple_feeds_success_logs_blocking_feed_storage(self): + @deferred_f_from_coro_f + async def test_multiple_feeds_success_logs_blocking_feed_storage(self): settings = { "FEEDS": { self._random_temp_filename(): {"format": "json"}, @@ -1614,14 +1699,14 @@ class TestFeedExport(TestFeedExportBase): {"foo": "bar2", "baz": "quux"}, ] with LogCapture() as log: - yield self.exported_data(items, settings) + await self.exported_data(items, settings) print(log) for fmt in ["json", "xml", "csv"]: assert f"Stored {fmt} feed (2 items)" in str(log) - @inlineCallbacks - def test_multiple_feeds_failing_logs_blocking_feed_storage(self): + @deferred_f_from_coro_f + async def test_multiple_feeds_failing_logs_blocking_feed_storage(self): settings = { "FEEDS": { self._random_temp_filename(): {"format": "json"}, @@ -1635,14 +1720,14 @@ class TestFeedExport(TestFeedExportBase): {"foo": "bar2", "baz": "quux"}, ] with LogCapture() as log: - yield self.exported_data(items, settings) + await self.exported_data(items, settings) print(log) for fmt in ["json", "xml", "csv"]: assert f"Error storing {fmt} feed (2 items)" in str(log) - @inlineCallbacks - def test_extend_kwargs(self): + @deferred_f_from_coro_f + async def test_extend_kwargs(self): items = [{"foo": "FOO", "bar": "BAR"}] expected_with_title_csv = b"foo,bar\r\nFOO,BAR\r\n" @@ -1675,11 +1760,11 @@ class TestFeedExport(TestFeedExportBase): "FEED_EXPORT_INDENT": None, } - data = yield self.exported_data(items, settings) + data = await self.exported_data(items, settings) assert data[feed_options["format"]] == row["expected"] - @inlineCallbacks - def test_storage_file_no_postprocessing(self): + @deferred_f_from_coro_f + async def test_storage_file_no_postprocessing(self): @implementer(IFeedStorage) class Storage: def __init__(self, uri, *, feed_options=None): @@ -1697,11 +1782,11 @@ class TestFeedExport(TestFeedExportBase): "FEEDS": {self._random_temp_filename(): {"format": "jsonlines"}}, "FEED_STORAGES": {"file": Storage}, } - yield self.exported_no_data(settings) + await self.exported_no_data(settings) assert Storage.open_file is Storage.store_file - @inlineCallbacks - def test_storage_file_postprocessing(self): + @deferred_f_from_coro_f + async def test_storage_file_postprocessing(self): @implementer(IFeedStorage) class Storage: def __init__(self, uri, *, feed_options=None): @@ -1727,7 +1812,7 @@ class TestFeedExport(TestFeedExportBase): }, "FEED_STORAGES": {"file": Storage}, } - yield self.exported_no_data(settings) + await self.exported_no_data(settings) assert Storage.open_file is Storage.store_file assert not Storage.file_was_closed @@ -1753,8 +1838,9 @@ class TestFeedPostProcessedExports(TestFeedExportBase): def _named_tempfile(self, name) -> str: return str(Path(self.temp_dir, name)) - @inlineCallbacks - def run_and_export(self, spider_cls, settings): + async def run_and_export( + self, spider_cls: type[Spider], settings: dict[str, Any] + ) -> dict[str, bytes | None]: """Run spider with specified settings; return exported data with filename.""" FEEDS = settings.get("FEEDS") or {} @@ -1763,11 +1849,11 @@ class TestFeedPostProcessedExports(TestFeedExportBase): for file_path, feed_options in FEEDS.items() } - content = {} + content: dict[str, bytes | None] = {} try: spider_cls.start_urls = [self.mockserver.url("/")] crawler = get_crawler(spider_cls, settings) - yield crawler.crawl() + await maybe_deferred_to_future(crawler.crawl()) for file_path in FEEDS: content[str(file_path)] = ( @@ -1797,8 +1883,8 @@ class TestFeedPostProcessedExports(TestFeedExportBase): data_stream.seek(0) return data_stream.read() - @inlineCallbacks - def test_gzip_plugin(self): + @deferred_f_from_coro_f + async def test_gzip_plugin(self): filename = self._named_tempfile("gzip_file") settings = { @@ -1810,14 +1896,14 @@ class TestFeedPostProcessedExports(TestFeedExportBase): }, } - data = yield self.exported_data(self.items, settings) + data = await self.exported_data(self.items, settings) try: gzip.decompress(data[filename]) except OSError: pytest.fail("Received invalid gzip data.") - @inlineCallbacks - def test_gzip_plugin_compresslevel(self): + @deferred_f_from_coro_f + async def test_gzip_plugin_compresslevel(self): filename_to_compressed = { self._named_tempfile("compresslevel_0"): self.get_gzip_compressed( self.expected, compresslevel=0 @@ -1846,15 +1932,15 @@ class TestFeedPostProcessedExports(TestFeedExportBase): }, } - data = yield self.exported_data(self.items, settings) + data = await self.exported_data(self.items, settings) for filename, compressed in filename_to_compressed.items(): result = gzip.decompress(data[filename]) assert compressed == data[filename] assert result == self.expected - @inlineCallbacks - def test_gzip_plugin_mtime(self): + @deferred_f_from_coro_f + async def test_gzip_plugin_mtime(self): filename_to_compressed = { self._named_tempfile("mtime_123"): self.get_gzip_compressed( self.expected, mtime=123 @@ -1881,15 +1967,15 @@ class TestFeedPostProcessedExports(TestFeedExportBase): }, } - data = yield self.exported_data(self.items, settings) + data = await self.exported_data(self.items, settings) for filename, compressed in filename_to_compressed.items(): result = gzip.decompress(data[filename]) assert compressed == data[filename] assert result == self.expected - @inlineCallbacks - def test_gzip_plugin_filename(self): + @deferred_f_from_coro_f + async def test_gzip_plugin_filename(self): filename_to_compressed = { self._named_tempfile("filename_FILE1"): self.get_gzip_compressed( self.expected, filename="FILE1" @@ -1916,15 +2002,15 @@ class TestFeedPostProcessedExports(TestFeedExportBase): }, } - data = yield self.exported_data(self.items, settings) + data = await self.exported_data(self.items, settings) for filename, compressed in filename_to_compressed.items(): result = gzip.decompress(data[filename]) assert compressed == data[filename] assert result == self.expected - @inlineCallbacks - def test_lzma_plugin(self): + @deferred_f_from_coro_f + async def test_lzma_plugin(self): filename = self._named_tempfile("lzma_file") settings = { @@ -1936,14 +2022,14 @@ class TestFeedPostProcessedExports(TestFeedExportBase): }, } - data = yield self.exported_data(self.items, settings) + data = await self.exported_data(self.items, settings) try: lzma.decompress(data[filename]) except lzma.LZMAError: pytest.fail("Received invalid lzma data.") - @inlineCallbacks - def test_lzma_plugin_format(self): + @deferred_f_from_coro_f + async def test_lzma_plugin_format(self): filename_to_compressed = { self._named_tempfile("format_FORMAT_XZ"): lzma.compress( self.expected, format=lzma.FORMAT_XZ @@ -1968,15 +2054,15 @@ class TestFeedPostProcessedExports(TestFeedExportBase): }, } - data = yield self.exported_data(self.items, settings) + data = await self.exported_data(self.items, settings) for filename, compressed in filename_to_compressed.items(): result = lzma.decompress(data[filename]) assert compressed == data[filename] assert result == self.expected - @inlineCallbacks - def test_lzma_plugin_check(self): + @deferred_f_from_coro_f + async def test_lzma_plugin_check(self): filename_to_compressed = { self._named_tempfile("check_CHECK_NONE"): lzma.compress( self.expected, check=lzma.CHECK_NONE @@ -2001,15 +2087,15 @@ class TestFeedPostProcessedExports(TestFeedExportBase): }, } - data = yield self.exported_data(self.items, settings) + data = await self.exported_data(self.items, settings) for filename, compressed in filename_to_compressed.items(): result = lzma.decompress(data[filename]) assert compressed == data[filename] assert result == self.expected - @inlineCallbacks - def test_lzma_plugin_preset(self): + @deferred_f_from_coro_f + async def test_lzma_plugin_preset(self): filename_to_compressed = { self._named_tempfile("preset_PRESET_0"): lzma.compress( self.expected, preset=0 @@ -2034,15 +2120,15 @@ class TestFeedPostProcessedExports(TestFeedExportBase): }, } - data = yield self.exported_data(self.items, settings) + data = await self.exported_data(self.items, settings) for filename, compressed in filename_to_compressed.items(): result = lzma.decompress(data[filename]) assert compressed == data[filename] assert result == self.expected - @inlineCallbacks - def test_lzma_plugin_filters(self): + @deferred_f_from_coro_f + async def test_lzma_plugin_filters(self): if "PyPy" in sys.version: # https://foss.heptapod.net/pypy/pypy/-/issues/3527 pytest.skip("lzma filters doesn't work in PyPy") @@ -2061,13 +2147,13 @@ class TestFeedPostProcessedExports(TestFeedExportBase): }, } - data = yield self.exported_data(self.items, settings) + data = await self.exported_data(self.items, settings) assert compressed == data[filename] result = lzma.decompress(data[filename]) assert result == self.expected - @inlineCallbacks - def test_bz2_plugin(self): + @deferred_f_from_coro_f + async def test_bz2_plugin(self): filename = self._named_tempfile("bz2_file") settings = { @@ -2079,14 +2165,14 @@ class TestFeedPostProcessedExports(TestFeedExportBase): }, } - data = yield self.exported_data(self.items, settings) + data = await self.exported_data(self.items, settings) try: bz2.decompress(data[filename]) except OSError: pytest.fail("Received invalid bz2 data.") - @inlineCallbacks - def test_bz2_plugin_compresslevel(self): + @deferred_f_from_coro_f + async def test_bz2_plugin_compresslevel(self): filename_to_compressed = { self._named_tempfile("compresslevel_1"): bz2.compress( self.expected, compresslevel=1 @@ -2111,15 +2197,15 @@ class TestFeedPostProcessedExports(TestFeedExportBase): }, } - data = yield self.exported_data(self.items, settings) + data = await self.exported_data(self.items, settings) for filename, compressed in filename_to_compressed.items(): result = bz2.decompress(data[filename]) assert compressed == data[filename] assert result == self.expected - @inlineCallbacks - def test_custom_plugin(self): + @deferred_f_from_coro_f + async def test_custom_plugin(self): filename = self._named_tempfile("csv_file") settings = { @@ -2131,11 +2217,11 @@ class TestFeedPostProcessedExports(TestFeedExportBase): }, } - data = yield self.exported_data(self.items, settings) + data = await self.exported_data(self.items, settings) assert data[filename] == self.expected - @inlineCallbacks - def test_custom_plugin_with_parameter(self): + @deferred_f_from_coro_f + async def test_custom_plugin_with_parameter(self): expected = b"foo\r\n\nbar\r\n\n" filename = self._named_tempfile("newline") @@ -2149,11 +2235,11 @@ class TestFeedPostProcessedExports(TestFeedExportBase): }, } - data = yield self.exported_data(self.items, settings) + data = await self.exported_data(self.items, settings) assert data[filename] == expected - @inlineCallbacks - def test_custom_plugin_with_compression(self): + @deferred_f_from_coro_f + async def test_custom_plugin_with_compression(self): expected = b"foo\r\n\nbar\r\n\n" filename_to_decompressor = { @@ -2191,14 +2277,14 @@ class TestFeedPostProcessedExports(TestFeedExportBase): }, } - data = yield self.exported_data(self.items, settings) + data = await self.exported_data(self.items, settings) for filename, decompressor in filename_to_decompressor.items(): result = decompressor(data[filename]) assert result == expected - @inlineCallbacks - def test_exports_compatibility_with_postproc(self): + @deferred_f_from_coro_f + async def test_exports_compatibility_with_postproc(self): import marshal import pickle @@ -2240,7 +2326,7 @@ class TestFeedPostProcessedExports(TestFeedExportBase): }, } - data = yield self.exported_data(self.items, settings) + data = await self.exported_data(self.items, settings) for filename, result in data.items(): if "pickle" in filename: @@ -2255,18 +2341,19 @@ class TestFeedPostProcessedExports(TestFeedExportBase): class TestBatchDeliveries(TestFeedExportBase): _file_mark = "_%(batch_time)s_#%(batch_id)02d_" - @inlineCallbacks - def run_and_export(self, spider_cls, settings): + async def run_and_export( + self, spider_cls: type[Spider], settings: dict[str, Any] + ) -> dict[str, list[bytes]]: """Run spider with specified settings; return exported data.""" FEEDS = settings.get("FEEDS") or {} settings["FEEDS"] = { build_url(file_path): feed for file_path, feed in FEEDS.items() } - content = defaultdict(list) + content: defaultdict[str, list[bytes]] = defaultdict(list) spider_cls.start_urls = [self.mockserver.url("/")] crawler = get_crawler(spider_cls, settings) - yield crawler.crawl() + await maybe_deferred_to_future(crawler.crawl()) for path, feed in FEEDS.items(): dir_name = Path(path).parent @@ -2277,8 +2364,7 @@ class TestBatchDeliveries(TestFeedExportBase): content[feed["format"]].append(file.read_bytes()) return content - @inlineCallbacks - def assertExportedJsonLines(self, items, rows, settings=None): + async def assertExportedJsonLines(self, items, rows, settings=None): settings = settings or {} settings.update( { @@ -2291,7 +2377,7 @@ class TestBatchDeliveries(TestFeedExportBase): ) batch_size = Settings(settings).getint("FEED_EXPORT_BATCH_ITEM_COUNT") rows = [{k: v for k, v in row.items() if v} for row in rows] - data = yield self.exported_data(items, settings) + data = await self.exported_data(items, settings) for batch in data["jl"]: got_batch = [ json.loads(to_unicode(batch_item)) for batch_item in batch.splitlines() @@ -2299,8 +2385,7 @@ class TestBatchDeliveries(TestFeedExportBase): expected_batch, rows = rows[:batch_size], rows[batch_size:] assert got_batch == expected_batch - @inlineCallbacks - def assertExportedCsv(self, items, header, rows, settings=None): + async def assertExportedCsv(self, items, header, rows, settings=None): settings = settings or {} settings.update( { @@ -2312,15 +2397,14 @@ class TestBatchDeliveries(TestFeedExportBase): } ) batch_size = Settings(settings).getint("FEED_EXPORT_BATCH_ITEM_COUNT") - data = yield self.exported_data(items, settings) + data = await self.exported_data(items, settings) for batch in data["csv"]: got_batch = csv.DictReader(to_unicode(batch).splitlines()) assert list(header) == got_batch.fieldnames expected_batch, rows = rows[:batch_size], rows[batch_size:] assert list(got_batch) == expected_batch - @inlineCallbacks - def assertExportedXml(self, items, rows, settings=None): + async def assertExportedXml(self, items, rows, settings=None): settings = settings or {} settings.update( { @@ -2333,15 +2417,14 @@ class TestBatchDeliveries(TestFeedExportBase): ) batch_size = Settings(settings).getint("FEED_EXPORT_BATCH_ITEM_COUNT") rows = [{k: v for k, v in row.items() if v} for row in rows] - data = yield self.exported_data(items, settings) + data = await self.exported_data(items, settings) for batch in data["xml"]: root = lxml.etree.fromstring(batch) got_batch = [{e.tag: e.text for e in it} for it in root.findall("item")] expected_batch, rows = rows[:batch_size], rows[batch_size:] assert got_batch == expected_batch - @inlineCallbacks - def assertExportedMultiple(self, items, rows, settings=None): + async def assertExportedMultiple(self, items, rows, settings=None): settings = settings or {} settings.update( { @@ -2357,7 +2440,7 @@ class TestBatchDeliveries(TestFeedExportBase): ) batch_size = Settings(settings).getint("FEED_EXPORT_BATCH_ITEM_COUNT") rows = [{k: v for k, v in row.items() if v} for row in rows] - data = yield self.exported_data(items, settings) + data = await self.exported_data(items, settings) # XML xml_rows = rows.copy() for batch in data["xml"]: @@ -2372,8 +2455,7 @@ class TestBatchDeliveries(TestFeedExportBase): expected_batch, json_rows = json_rows[:batch_size], json_rows[batch_size:] assert got_batch == expected_batch - @inlineCallbacks - def assertExportedPickle(self, items, rows, settings=None): + async def assertExportedPickle(self, items, rows, settings=None): settings = settings or {} settings.update( { @@ -2386,7 +2468,7 @@ class TestBatchDeliveries(TestFeedExportBase): ) batch_size = Settings(settings).getint("FEED_EXPORT_BATCH_ITEM_COUNT") rows = [{k: v for k, v in row.items() if v} for row in rows] - data = yield self.exported_data(items, settings) + data = await self.exported_data(items, settings) import pickle for batch in data["pickle"]: @@ -2394,8 +2476,7 @@ class TestBatchDeliveries(TestFeedExportBase): expected_batch, rows = rows[:batch_size], rows[batch_size:] assert got_batch == expected_batch - @inlineCallbacks - def assertExportedMarshal(self, items, rows, settings=None): + async def assertExportedMarshal(self, items, rows, settings=None): settings = settings or {} settings.update( { @@ -2408,7 +2489,7 @@ class TestBatchDeliveries(TestFeedExportBase): ) batch_size = Settings(settings).getint("FEED_EXPORT_BATCH_ITEM_COUNT") rows = [{k: v for k, v in row.items() if v} for row in rows] - data = yield self.exported_data(items, settings) + data = await self.exported_data(items, settings) import marshal for batch in data["marshal"]: @@ -2416,8 +2497,8 @@ class TestBatchDeliveries(TestFeedExportBase): expected_batch, rows = rows[:batch_size], rows[batch_size:] assert got_batch == expected_batch - @inlineCallbacks - def test_export_items(self): + @deferred_f_from_coro_f + async def test_export_items(self): """Test partial deliveries in all supported formats""" items = [ self.MyItem({"foo": "bar1", "egg": "spam1"}), @@ -2431,7 +2512,7 @@ class TestBatchDeliveries(TestFeedExportBase): ] settings = {"FEED_EXPORT_BATCH_ITEM_COUNT": 2} header = self.MyItem.fields.keys() - yield self.assertExported(items, header, rows, settings=settings) + await self.assertExported(items, header, rows, settings=settings) def test_wrong_path(self): """If path is without %(batch_time)s and %(batch_id) an exception must be raised""" @@ -2445,8 +2526,8 @@ class TestBatchDeliveries(TestFeedExportBase): with pytest.raises(NotConfigured): FeedExporter(crawler) - @inlineCallbacks - def test_export_no_items_not_store_empty(self): + @deferred_f_from_coro_f + async def test_export_no_items_not_store_empty(self): for fmt in ("json", "jsonlines", "xml", "csv"): settings = { "FEEDS": { @@ -2457,12 +2538,12 @@ class TestBatchDeliveries(TestFeedExportBase): "FEED_EXPORT_BATCH_ITEM_COUNT": 1, "FEED_STORE_EMPTY": False, } - data = yield self.exported_no_data(settings) + data = await self.exported_no_data(settings) data = dict(data) assert len(data[fmt]) == 0 - @inlineCallbacks - def test_export_no_items_store_empty(self): + @deferred_f_from_coro_f + async def test_export_no_items_store_empty(self): formats = ( ("json", b"[]"), ("jsonlines", b""), @@ -2481,12 +2562,12 @@ class TestBatchDeliveries(TestFeedExportBase): "FEED_EXPORT_INDENT": None, "FEED_EXPORT_BATCH_ITEM_COUNT": 1, } - data = yield self.exported_no_data(settings) + data = await self.exported_no_data(settings) data = dict(data) assert data[fmt][0] == expctd - @inlineCallbacks - def test_export_multiple_configs(self): + @deferred_f_from_coro_f + async def test_export_multiple_configs(self): items = [ {"foo": "FOO", "bar": "BAR"}, {"foo": "FOO1", "bar": "BAR1"}, @@ -2536,13 +2617,13 @@ class TestBatchDeliveries(TestFeedExportBase): }, "FEED_EXPORT_BATCH_ITEM_COUNT": 1, } - data = yield self.exported_data(items, settings) + data = await self.exported_data(items, settings) for fmt, expected in formats.items(): for expected_batch, got_batch in zip(expected, data[fmt]): assert got_batch == expected_batch - @inlineCallbacks - def test_batch_item_count_feeds_setting(self): + @deferred_f_from_coro_f + async def test_batch_item_count_feeds_setting(self): items = [{"foo": "FOO"}, {"foo": "FOO1"}] formats = { "json": [ @@ -2560,13 +2641,13 @@ class TestBatchDeliveries(TestFeedExportBase): }, }, } - data = yield self.exported_data(items, settings) + data = await self.exported_data(items, settings) for fmt, expected in formats.items(): for expected_batch, got_batch in zip(expected, data[fmt]): assert got_batch == expected_batch - @inlineCallbacks - def test_batch_path_differ(self): + @deferred_f_from_coro_f + async def test_batch_path_differ(self): """ Test that the name of all batch files differ from each other. So %(batch_id)d replaced with the current id. @@ -2584,7 +2665,7 @@ class TestBatchDeliveries(TestFeedExportBase): }, "FEED_EXPORT_BATCH_ITEM_COUNT": 1, } - data = yield self.exported_data(items, settings) + data = await self.exported_data(items, settings) assert len(items) == len(data["json"]) @inlineCallbacks diff --git a/tests/test_spidermiddleware.py b/tests/test_spidermiddleware.py index 6ebaa19ce..28ffbe767 100644 --- a/tests/test_spidermiddleware.py +++ b/tests/test_spidermiddleware.py @@ -8,7 +8,6 @@ from unittest import mock import pytest from testfixtures import LogCapture from twisted.internet import defer -from twisted.internet.defer import inlineCallbacks from twisted.trial.unittest import TestCase from scrapy.core.spidermw import SpiderMiddlewareManager @@ -18,7 +17,6 @@ from scrapy.spiders import Spider from scrapy.utils.asyncgen import collect_asyncgen from scrapy.utils.defer import ( deferred_f_from_coro_f, - deferred_from_coro, maybe_deferred_to_future, ) from scrapy.utils.test import get_crawler @@ -130,25 +128,22 @@ class TestBaseAsyncSpiderMiddleware(TestSpiderMiddleware): yield {"foo": 2} yield {"foo": 3} - @inlineCallbacks - def _get_middleware_result(self, *mw_classes, start_index: int | None = None): + async def _get_middleware_result(self, *mw_classes, start_index: int | None = None): setting = self._construct_mw_setting(*mw_classes, start_index=start_index) self.crawler = get_crawler( Spider, {"SPIDER_MIDDLEWARES_BASE": {}, "SPIDER_MIDDLEWARES": setting} ) self.spider = self.crawler._create_spider("foo") self.mwman = SpiderMiddlewareManager.from_crawler(self.crawler) - result = yield self.mwman.scrape_response( + return await self.mwman.scrape_response_async( self._scrape_func, self.response, self.request, self.spider ) - return result - @inlineCallbacks - def _test_simple_base( + async def _test_simple_base( self, *mw_classes, downgrade: bool = False, start_index: int | None = None ): with LogCapture() as log: - result = yield self._get_middleware_result( + result = await self._get_middleware_result( *mw_classes, start_index=start_index ) assert isinstance(result, Iterable) @@ -160,16 +155,15 @@ class TestBaseAsyncSpiderMiddleware(TestSpiderMiddleware): ProcessSpiderOutputSimpleMiddleware in mw_classes ) - @inlineCallbacks - def _test_asyncgen_base( + async def _test_asyncgen_base( self, *mw_classes, downgrade: bool = False, start_index: int | None = None ): with LogCapture() as log: - result = yield self._get_middleware_result( + result = await self._get_middleware_result( *mw_classes, start_index=start_index ) assert isinstance(result, AsyncIterator) - result_list = yield deferred_from_coro(collect_asyncgen(result)) + result_list = await collect_asyncgen(result) assert len(result_list) == self.RESULT_COUNT assert isinstance(result_list[0], self.ITEM_TYPE) assert ("downgraded to a non-async" in str(log)) == downgrade @@ -222,41 +216,50 @@ class TestProcessSpiderOutputSimple(TestBaseAsyncSpiderMiddleware): MW_ASYNCGEN = ProcessSpiderOutputAsyncGenMiddleware MW_UNIVERSAL = ProcessSpiderOutputUniversalMiddleware - def test_simple(self): + @deferred_f_from_coro_f + async def test_simple(self): """Simple mw""" - return self._test_simple_base(self.MW_SIMPLE) + await self._test_simple_base(self.MW_SIMPLE) - def test_asyncgen(self): + @deferred_f_from_coro_f + async def test_asyncgen(self): """Asyncgen mw; upgrade""" - return self._test_asyncgen_base(self.MW_ASYNCGEN) + await self._test_asyncgen_base(self.MW_ASYNCGEN) - def test_simple_asyncgen(self): + @deferred_f_from_coro_f + async def test_simple_asyncgen(self): """Simple mw -> asyncgen mw; upgrade""" - return self._test_asyncgen_base(self.MW_ASYNCGEN, self.MW_SIMPLE) + await self._test_asyncgen_base(self.MW_ASYNCGEN, self.MW_SIMPLE) - def test_asyncgen_simple(self): + @deferred_f_from_coro_f + async def test_asyncgen_simple(self): """Asyncgen mw -> simple mw; upgrade then downgrade""" - return self._test_simple_base(self.MW_SIMPLE, self.MW_ASYNCGEN, downgrade=True) + await self._test_simple_base(self.MW_SIMPLE, self.MW_ASYNCGEN, downgrade=True) - def test_universal(self): + @deferred_f_from_coro_f + async def test_universal(self): """Universal mw""" - return self._test_simple_base(self.MW_UNIVERSAL) + await self._test_simple_base(self.MW_UNIVERSAL) - def test_universal_simple(self): + @deferred_f_from_coro_f + async def test_universal_simple(self): """Universal mw -> simple mw""" - return self._test_simple_base(self.MW_SIMPLE, self.MW_UNIVERSAL) + await self._test_simple_base(self.MW_SIMPLE, self.MW_UNIVERSAL) - def test_simple_universal(self): + @deferred_f_from_coro_f + async def test_simple_universal(self): """Simple mw -> universal mw""" - return self._test_simple_base(self.MW_UNIVERSAL, self.MW_SIMPLE) + await self._test_simple_base(self.MW_UNIVERSAL, self.MW_SIMPLE) - def test_universal_asyncgen(self): + @deferred_f_from_coro_f + async def test_universal_asyncgen(self): """Universal mw -> asyncgen mw; upgrade""" - return self._test_asyncgen_base(self.MW_ASYNCGEN, self.MW_UNIVERSAL) + await self._test_asyncgen_base(self.MW_ASYNCGEN, self.MW_UNIVERSAL) - def test_asyncgen_universal(self): + @deferred_f_from_coro_f + async def test_asyncgen_universal(self): """Asyncgen mw -> universal mw; upgrade""" - return self._test_asyncgen_base(self.MW_UNIVERSAL, self.MW_ASYNCGEN) + await self._test_asyncgen_base(self.MW_UNIVERSAL, self.MW_ASYNCGEN) class TestProcessSpiderOutputAsyncGen(TestProcessSpiderOutputSimple): @@ -266,27 +269,30 @@ class TestProcessSpiderOutputAsyncGen(TestProcessSpiderOutputSimple): for item in super()._scrape_func(): yield item - def test_simple(self): + @deferred_f_from_coro_f + async def test_simple(self): """Simple mw; downgrade""" - return self._test_simple_base(self.MW_SIMPLE, downgrade=True) + await self._test_simple_base(self.MW_SIMPLE, downgrade=True) - def test_simple_asyncgen(self): + @deferred_f_from_coro_f + async def test_simple_asyncgen(self): """Simple mw -> asyncgen mw; downgrade then upgrade""" - return self._test_asyncgen_base( - self.MW_ASYNCGEN, self.MW_SIMPLE, downgrade=True - ) + await self._test_asyncgen_base(self.MW_ASYNCGEN, self.MW_SIMPLE, downgrade=True) - def test_universal(self): + @deferred_f_from_coro_f + async def test_universal(self): """Universal mw""" - return self._test_asyncgen_base(self.MW_UNIVERSAL) + await self._test_asyncgen_base(self.MW_UNIVERSAL) - def test_universal_simple(self): + @deferred_f_from_coro_f + async def test_universal_simple(self): """Universal mw -> simple mw; downgrade""" - return self._test_simple_base(self.MW_SIMPLE, self.MW_UNIVERSAL, downgrade=True) + await self._test_simple_base(self.MW_SIMPLE, self.MW_UNIVERSAL, downgrade=True) - def test_simple_universal(self): + @deferred_f_from_coro_f + async def test_simple_universal(self): """Simple mw -> universal mw; downgrade""" - return self._test_simple_base(self.MW_UNIVERSAL, self.MW_SIMPLE, downgrade=True) + await self._test_simple_base(self.MW_UNIVERSAL, self.MW_SIMPLE, downgrade=True) class ProcessSpiderOutputNonIterableMiddleware: @@ -300,25 +306,21 @@ class ProcessSpiderOutputCoroutineMiddleware: class TestProcessSpiderOutputInvalidResult(TestBaseAsyncSpiderMiddleware): - @inlineCallbacks - def test_non_iterable(self): + @deferred_f_from_coro_f + async def test_non_iterable(self): with pytest.raises( _InvalidOutput, match=r"\.process_spider_output must return an iterable, got ", ): - yield self._get_middleware_result( - ProcessSpiderOutputNonIterableMiddleware, - ) + await self._get_middleware_result(ProcessSpiderOutputNonIterableMiddleware) - @inlineCallbacks - def test_coroutine(self): + @deferred_f_from_coro_f + async def test_coroutine(self): with pytest.raises( _InvalidOutput, match=r"\.process_spider_output must be an asynchronous generator", ): - yield self._get_middleware_result( - ProcessSpiderOutputCoroutineMiddleware, - ) + await self._get_middleware_result(ProcessSpiderOutputCoroutineMiddleware) class ProcessStartSimpleMiddleware: @@ -445,39 +447,44 @@ class TestBuiltinMiddlewareSimple(TestBaseAsyncSpiderMiddleware): MW_ASYNCGEN = ProcessSpiderOutputAsyncGenMiddleware MW_UNIVERSAL = ProcessSpiderOutputUniversalMiddleware - @inlineCallbacks - def _get_middleware_result(self, *mw_classes, start_index: int | None = None): + async def _get_middleware_result(self, *mw_classes, start_index: int | None = None): setting = self._construct_mw_setting(*mw_classes, start_index=start_index) self.crawler = get_crawler(Spider, {"SPIDER_MIDDLEWARES": setting}) self.spider = self.crawler._create_spider("foo") self.mwman = SpiderMiddlewareManager.from_crawler(self.crawler) - result = yield self.mwman.scrape_response( + return await self.mwman.scrape_response_async( self._scrape_func, self.response, self.request, self.spider ) - return result - def test_just_builtin(self): - return self._test_simple_base() + @deferred_f_from_coro_f + async def test_just_builtin(self): + await self._test_simple_base() - def test_builtin_simple(self): - return self._test_simple_base(self.MW_SIMPLE, start_index=1000) + @deferred_f_from_coro_f + async def test_builtin_simple(self): + await self._test_simple_base(self.MW_SIMPLE, start_index=1000) - def test_builtin_async(self): + @deferred_f_from_coro_f + async def test_builtin_async(self): """Upgrade""" - return self._test_asyncgen_base(self.MW_ASYNCGEN, start_index=1000) + await self._test_asyncgen_base(self.MW_ASYNCGEN, start_index=1000) - def test_builtin_universal(self): - return self._test_simple_base(self.MW_UNIVERSAL, start_index=1000) + @deferred_f_from_coro_f + async def test_builtin_universal(self): + await self._test_simple_base(self.MW_UNIVERSAL, start_index=1000) - def test_simple_builtin(self): - return self._test_simple_base(self.MW_SIMPLE) + @deferred_f_from_coro_f + async def test_simple_builtin(self): + await self._test_simple_base(self.MW_SIMPLE) - def test_async_builtin(self): + @deferred_f_from_coro_f + async def test_async_builtin(self): """Upgrade""" - return self._test_asyncgen_base(self.MW_ASYNCGEN) + await self._test_asyncgen_base(self.MW_ASYNCGEN) - def test_universal_builtin(self): - return self._test_simple_base(self.MW_UNIVERSAL) + @deferred_f_from_coro_f + async def test_universal_builtin(self): + await self._test_simple_base(self.MW_UNIVERSAL) class TestBuiltinMiddlewareAsyncGen(TestBuiltinMiddlewareSimple): @@ -485,28 +492,35 @@ class TestBuiltinMiddlewareAsyncGen(TestBuiltinMiddlewareSimple): for item in super()._scrape_func(): yield item - def test_just_builtin(self): - return self._test_asyncgen_base() + @deferred_f_from_coro_f + async def test_just_builtin(self): + await self._test_asyncgen_base() - def test_builtin_simple(self): + @deferred_f_from_coro_f + async def test_builtin_simple(self): """Downgrade""" - return self._test_simple_base(self.MW_SIMPLE, downgrade=True, start_index=1000) + await self._test_simple_base(self.MW_SIMPLE, downgrade=True, start_index=1000) - def test_builtin_async(self): - return self._test_asyncgen_base(self.MW_ASYNCGEN, start_index=1000) + @deferred_f_from_coro_f + async def test_builtin_async(self): + await self._test_asyncgen_base(self.MW_ASYNCGEN, start_index=1000) - def test_builtin_universal(self): - return self._test_asyncgen_base(self.MW_UNIVERSAL, start_index=1000) + @deferred_f_from_coro_f + async def test_builtin_universal(self): + await self._test_asyncgen_base(self.MW_UNIVERSAL, start_index=1000) - def test_simple_builtin(self): + @deferred_f_from_coro_f + async def test_simple_builtin(self): """Downgrade""" - return self._test_simple_base(self.MW_SIMPLE, downgrade=True) + await self._test_simple_base(self.MW_SIMPLE, downgrade=True) - def test_async_builtin(self): - return self._test_asyncgen_base(self.MW_ASYNCGEN) + @deferred_f_from_coro_f + async def test_async_builtin(self): + await self._test_asyncgen_base(self.MW_ASYNCGEN) - def test_universal_builtin(self): - return self._test_asyncgen_base(self.MW_UNIVERSAL) + @deferred_f_from_coro_f + async def test_universal_builtin(self): + await self._test_asyncgen_base(self.MW_UNIVERSAL) class TestProcessSpiderException(TestBaseAsyncSpiderMiddleware): @@ -520,33 +534,38 @@ class TestProcessSpiderException(TestBaseAsyncSpiderMiddleware): def _scrape_func(self, *args, **kwargs): 1 / 0 - @inlineCallbacks - def _test_asyncgen_nodowngrade(self, *mw_classes): + async def _test_asyncgen_nodowngrade(self, *mw_classes): with pytest.raises( _InvalidOutput, match="Async iterable returned from .+ cannot be downgraded" ): - yield self._get_middleware_result(*mw_classes) + await self._get_middleware_result(*mw_classes) - def test_exc_simple(self): + @deferred_f_from_coro_f + async def test_exc_simple(self): """Simple exc mw""" - return self._test_simple_base(self.MW_EXC_SIMPLE) + await self._test_simple_base(self.MW_EXC_SIMPLE) - def test_exc_async(self): + @deferred_f_from_coro_f + async def test_exc_async(self): """Async exc mw""" - return self._test_asyncgen_base(self.MW_EXC_ASYNCGEN) + await self._test_asyncgen_base(self.MW_EXC_ASYNCGEN) - def test_exc_simple_simple(self): + @deferred_f_from_coro_f + async def test_exc_simple_simple(self): """Simple exc mw -> simple output mw""" - return self._test_simple_base(self.MW_SIMPLE, self.MW_EXC_SIMPLE) + await self._test_simple_base(self.MW_SIMPLE, self.MW_EXC_SIMPLE) - def test_exc_async_async(self): + @deferred_f_from_coro_f + async def test_exc_async_async(self): """Async exc mw -> async output mw""" - return self._test_asyncgen_base(self.MW_ASYNCGEN, self.MW_EXC_ASYNCGEN) + await self._test_asyncgen_base(self.MW_ASYNCGEN, self.MW_EXC_ASYNCGEN) - def test_exc_simple_async(self): + @deferred_f_from_coro_f + async def test_exc_simple_async(self): """Simple exc mw -> async output mw; upgrade""" - return self._test_asyncgen_base(self.MW_ASYNCGEN, self.MW_EXC_SIMPLE) + await self._test_asyncgen_base(self.MW_ASYNCGEN, self.MW_EXC_SIMPLE) - def test_exc_async_simple(self): + @deferred_f_from_coro_f + async def test_exc_async_simple(self): """Async exc mw -> simple output mw; cannot work as downgrading is not supported""" - return self._test_asyncgen_nodowngrade(self.MW_SIMPLE, self.MW_EXC_ASYNCGEN) + await self._test_asyncgen_nodowngrade(self.MW_SIMPLE, self.MW_EXC_ASYNCGEN) diff --git a/tests/test_spidermiddleware_output_chain.py b/tests/test_spidermiddleware_output_chain.py index 62ec1a624..60464d696 100644 --- a/tests/test_spidermiddleware_output_chain.py +++ b/tests/test_spidermiddleware_output_chain.py @@ -1,8 +1,8 @@ from testfixtures import LogCapture -from twisted.internet.defer import inlineCallbacks from twisted.trial.unittest import TestCase from scrapy import Request, Spider +from scrapy.utils.defer import deferred_f_from_coro_f, maybe_deferred_to_future from scrapy.utils.test import get_crawler from tests.mockserver import MockServer @@ -299,6 +299,8 @@ class NotGeneratorOutputChainSpider(Spider): # ================================================================================ class TestSpiderMiddleware(TestCase): + mockserver: MockServer + @classmethod def setUpClass(cls): cls.mockserver = MockServer() @@ -308,53 +310,52 @@ class TestSpiderMiddleware(TestCase): def tearDownClass(cls): cls.mockserver.__exit__(None, None, None) - @inlineCallbacks - def crawl_log(self, spider): + async def crawl_log(self, spider: type[Spider]) -> LogCapture: crawler = get_crawler(spider) with LogCapture() as log: - yield crawler.crawl(mockserver=self.mockserver) + await maybe_deferred_to_future(crawler.crawl(mockserver=self.mockserver)) return log - @inlineCallbacks - def test_recovery(self): + @deferred_f_from_coro_f + async def test_recovery(self): """ (0) Recover from an exception in a spider callback. The final item count should be 3 (one yielded from the callback method before the exception is raised, one directly from the recovery middleware and one from the spider when processing the request that was enqueued from the recovery middleware) """ - log = yield self.crawl_log(RecoverySpider) + log = await self.crawl_log(RecoverySpider) assert "Middleware: TabError exception caught" in str(log) assert str(log).count("Middleware: TabError exception caught") == 1 assert "'item_scraped_count': 3" in str(log) - @inlineCallbacks - def test_recovery_asyncgen(self): + @deferred_f_from_coro_f + async def test_recovery_asyncgen(self): """ Same as test_recovery but with an async callback. """ - log = yield self.crawl_log(RecoveryAsyncGenSpider) + log = await self.crawl_log(RecoveryAsyncGenSpider) assert "Middleware: TabError exception caught" in str(log) assert str(log).count("Middleware: TabError exception caught") == 1 assert "'item_scraped_count': 3" in str(log) - @inlineCallbacks - def test_process_spider_input_without_errback(self): + @deferred_f_from_coro_f + async def test_process_spider_input_without_errback(self): """ (1.1) An exception from the process_spider_input chain should be caught by the process_spider_exception chain from the start if the Request has no errback """ - log1 = yield self.crawl_log(ProcessSpiderInputSpiderWithoutErrback) + log1 = await self.crawl_log(ProcessSpiderInputSpiderWithoutErrback) assert "Middleware: will raise IndexError" in str(log1) assert "Middleware: IndexError exception caught" in str(log1) - @inlineCallbacks - def test_process_spider_input_with_errback(self): + @deferred_f_from_coro_f + async def test_process_spider_input_with_errback(self): """ (1.2) An exception from the process_spider_input chain should not be caught by the process_spider_exception chain if the Request has an errback """ - log1 = yield self.crawl_log(ProcessSpiderInputSpiderWithErrback) + log1 = await self.crawl_log(ProcessSpiderInputSpiderWithErrback) assert "Middleware: IndexError exception caught" not in str(log1) assert "Middleware: will raise IndexError" in str(log1) assert "Got a Failure on the Request errback" in str(log1) @@ -362,60 +363,60 @@ class TestSpiderMiddleware(TestCase): assert "{'from': 'callback'}" not in str(log1) assert "'item_scraped_count': 1" in str(log1) - @inlineCallbacks - def test_generator_callback(self): + @deferred_f_from_coro_f + async def test_generator_callback(self): """ (2) An exception from a spider callback (returning a generator) should be caught by the process_spider_exception chain. Items yielded before the exception is raised should be processed normally. """ - log2 = yield self.crawl_log(GeneratorCallbackSpider) + log2 = await self.crawl_log(GeneratorCallbackSpider) assert "Middleware: ImportError exception caught" in str(log2) assert "'item_scraped_count': 2" in str(log2) - @inlineCallbacks - def test_async_generator_callback(self): + @deferred_f_from_coro_f + async def test_async_generator_callback(self): """ Same as test_generator_callback but with an async callback. """ - log2 = yield self.crawl_log(AsyncGeneratorCallbackSpider) + log2 = await self.crawl_log(AsyncGeneratorCallbackSpider) assert "Middleware: ImportError exception caught" in str(log2) assert "'item_scraped_count': 2" in str(log2) - @inlineCallbacks - def test_generator_callback_right_after_callback(self): + @deferred_f_from_coro_f + async def test_generator_callback_right_after_callback(self): """ (2.1) Special case of (2): Exceptions should be caught even if the middleware is placed right after the spider """ - log21 = yield self.crawl_log(GeneratorCallbackSpiderMiddlewareRightAfterSpider) + log21 = await self.crawl_log(GeneratorCallbackSpiderMiddlewareRightAfterSpider) assert "Middleware: ImportError exception caught" in str(log21) assert "'item_scraped_count': 2" in str(log21) - @inlineCallbacks - def test_not_a_generator_callback(self): + @deferred_f_from_coro_f + async def test_not_a_generator_callback(self): """ (3) An exception from a spider callback (returning a list) should be caught by the process_spider_exception chain. No items should be processed. """ - log3 = yield self.crawl_log(NotGeneratorCallbackSpider) + log3 = await self.crawl_log(NotGeneratorCallbackSpider) assert "Middleware: ZeroDivisionError exception caught" in str(log3) assert "item_scraped_count" not in str(log3) - @inlineCallbacks - def test_not_a_generator_callback_right_after_callback(self): + @deferred_f_from_coro_f + async def test_not_a_generator_callback_right_after_callback(self): """ (3.1) Special case of (3): Exceptions should be caught even if the middleware is placed right after the spider """ - log31 = yield self.crawl_log( + log31 = await self.crawl_log( NotGeneratorCallbackSpiderMiddlewareRightAfterSpider ) assert "Middleware: ZeroDivisionError exception caught" in str(log31) assert "item_scraped_count" not in str(log31) - @inlineCallbacks - def test_generator_output_chain(self): + @deferred_f_from_coro_f + async def test_generator_output_chain(self): """ (4) An exception from a middleware's process_spider_output method should be sent to the process_spider_exception method from the next middleware in the chain. @@ -424,7 +425,7 @@ class TestSpiderMiddleware(TestCase): The final item count should be 2 (one from the spider callback and one from the process_spider_exception chain) """ - log4 = yield self.crawl_log(GeneratorOutputChainSpider) + log4 = await self.crawl_log(GeneratorOutputChainSpider) assert "'item_scraped_count': 2" in str(log4) assert ( "GeneratorRecoverMiddleware.process_spider_exception: LookupError caught" @@ -461,8 +462,8 @@ class TestSpiderMiddleware(TestCase): assert str(item_recovered) in str(log4) assert "parse-second-item" not in str(log4) - @inlineCallbacks - def test_not_a_generator_output_chain(self): + @deferred_f_from_coro_f + async def test_not_a_generator_output_chain(self): """ (5) An exception from a middleware's process_spider_output method should be sent to the process_spider_exception method from the next middleware in the chain. @@ -471,7 +472,7 @@ class TestSpiderMiddleware(TestCase): The final item count should be 1 (from the process_spider_exception chain, the items from the spider callback are lost) """ - log5 = yield self.crawl_log(NotGeneratorOutputChainSpider) + log5 = await self.crawl_log(NotGeneratorOutputChainSpider) assert "'item_scraped_count': 1" in str(log5) assert ( "GeneratorRecoverMiddleware.process_spider_exception: ReferenceError caught" From b4d11b8b2565b5686c9f395ca1a8dd085609aafc Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Wed, 11 Jun 2025 04:28:09 +0500 Subject: [PATCH 515/786] Further reduce deps on unittest. (#6884) --- .../test_downloader_handler_twisted_http11.py | 10 +- .../test_downloader_handler_twisted_http2.py | 14 +- tests/test_downloader_handlers.py | 7 +- tests/test_downloadermiddleware_robotstxt.py | 4 +- tests/test_downloaderslotssettings.py | 2 +- tests/test_engine_loop.py | 4 +- tests/test_extension_telnet.py | 2 +- tests/test_feedexport.py | 43 +- tests/test_http2_client_protocol.py | 480 ++++++++---------- tests/test_pipeline_crawl.py | 15 +- tests/test_pipeline_files.py | 16 +- tests/test_pipeline_images.py | 17 +- tests/test_pipeline_media.py | 2 +- tests/test_scheduler_base.py | 6 +- tests/test_signals.py | 4 +- tests/test_spider_start.py | 2 +- tests/test_spidermiddleware_process_start.py | 4 +- tests/test_utils_defer.py | 6 +- tests/test_utils_signal.py | 16 +- tests/test_webclient.py | 89 ++-- 20 files changed, 355 insertions(+), 388 deletions(-) diff --git a/tests/test_downloader_handler_twisted_http11.py b/tests/test_downloader_handler_twisted_http11.py index 70f55e787..7b26ce03f 100644 --- a/tests/test_downloader_handler_twisted_http11.py +++ b/tests/test_downloader_handler_twisted_http11.py @@ -39,23 +39,21 @@ class TestSimpleHttps(HTTP11DownloadHandlerMixin, TestSimpleHttpsBase): pass -class Https11WrongHostnameTestCase( - HTTP11DownloadHandlerMixin, TestHttpsWrongHostnameBase -): +class TestHttps11WrongHostname(HTTP11DownloadHandlerMixin, TestHttpsWrongHostnameBase): pass -class Https11InvalidDNSId(HTTP11DownloadHandlerMixin, TestHttpsInvalidDNSIdBase): +class TestHttps11InvalidDNSId(HTTP11DownloadHandlerMixin, TestHttpsInvalidDNSIdBase): pass -class Https11InvalidDNSPattern( +class TestHttps11InvalidDNSPattern( HTTP11DownloadHandlerMixin, TestHttpsInvalidDNSPatternBase ): pass -class Https11CustomCiphers(HTTP11DownloadHandlerMixin, TestHttpsCustomCiphersBase): +class TestHttps11CustomCiphers(HTTP11DownloadHandlerMixin, TestHttpsCustomCiphersBase): pass diff --git a/tests/test_downloader_handler_twisted_http2.py b/tests/test_downloader_handler_twisted_http2.py index e058cedae..3e685bb28 100644 --- a/tests/test_downloader_handler_twisted_http2.py +++ b/tests/test_downloader_handler_twisted_http2.py @@ -163,23 +163,25 @@ class TestHttps2(H2DownloadHandlerMixin, TestHttps11Base): assert json.loads(response.text)["headers"][header] == [value1, value2] -class Https2WrongHostnameTestCase(H2DownloadHandlerMixin, TestHttpsWrongHostnameBase): +class TestHttps2WrongHostname(H2DownloadHandlerMixin, TestHttpsWrongHostnameBase): pass -class Https2InvalidDNSId(H2DownloadHandlerMixin, TestHttpsInvalidDNSIdBase): +class TestHttps2InvalidDNSId(H2DownloadHandlerMixin, TestHttpsInvalidDNSIdBase): pass -class Https2InvalidDNSPattern(H2DownloadHandlerMixin, TestHttpsInvalidDNSPatternBase): +class TestHttps2InvalidDNSPattern( + H2DownloadHandlerMixin, TestHttpsInvalidDNSPatternBase +): pass -class Https2CustomCiphers(H2DownloadHandlerMixin, TestHttpsCustomCiphersBase): +class TestHttps2CustomCiphers(H2DownloadHandlerMixin, TestHttpsCustomCiphersBase): pass -class Http2MockServerTestCase(TestHttpMockServerBase): +class TestHttp2MockServer(TestHttpMockServerBase): """HTTP 2.0 test case with MockServer""" @property @@ -193,7 +195,7 @@ class Http2MockServerTestCase(TestHttpMockServerBase): is_secure = True -class Https2ProxyTestCase(H2DownloadHandlerMixin, TestHttpProxyBase): +class TestHttps2Proxy(H2DownloadHandlerMixin, TestHttpProxyBase): # only used for HTTPS tests keyfile = "keys/localhost.key" certfile = "keys/localhost.crt" diff --git a/tests/test_downloader_handlers.py b/tests/test_downloader_handlers.py index 2c8e96040..518dc6b24 100644 --- a/tests/test_downloader_handlers.py +++ b/tests/test_downloader_handlers.py @@ -12,6 +12,7 @@ from unittest import mock import pytest from twisted.cred import checkers, credentials, portal +from twisted.internet.defer import inlineCallbacks from twisted.protocols.ftp import FTPFactory, FTPRealm from twisted.trial import unittest from w3lib.url import path_to_file_uri @@ -340,9 +341,10 @@ class TestFTPBase(unittest.TestCase): self.portNum = self.port.getHost().port crawler = get_crawler() self.download_handler = build_from_crawler(FTPDownloadHandler, crawler) - self.addCleanup(self.port.stopListening) + @inlineCallbacks def tearDown(self): + yield self.port.stopListening() shutil.rmtree(self.directory) def _add_test_callbacks(self, deferred, callback=None, errback=None): @@ -478,9 +480,10 @@ class TestAnonymousFTP(TestFTPBase): self.portNum = self.port.getHost().port crawler = get_crawler() self.download_handler = build_from_crawler(FTPDownloadHandler, crawler) - self.addCleanup(self.port.stopListening) + @inlineCallbacks def tearDown(self): + yield self.port.stopListening() shutil.rmtree(self.directory) diff --git a/tests/test_downloadermiddleware_robotstxt.py b/tests/test_downloadermiddleware_robotstxt.py index 146b0057e..dd5d47cab 100644 --- a/tests/test_downloadermiddleware_robotstxt.py +++ b/tests/test_downloadermiddleware_robotstxt.py @@ -247,10 +247,8 @@ Disallow: /some/randome/page.html assert request.callback == NO_CALLBACK +@pytest.mark.skipif(not rerp_available(), reason="Rerp parser is not installed") class TestRobotsTxtMiddlewareWithRerp(TestRobotsTxtMiddleware): - if not rerp_available(): - skip = "Rerp parser is not installed" - def setUp(self): super().setUp() self.crawler.settings.set( diff --git a/tests/test_downloaderslotssettings.py b/tests/test_downloaderslotssettings.py index 9b7c09448..ddac95edf 100644 --- a/tests/test_downloaderslotssettings.py +++ b/tests/test_downloaderslotssettings.py @@ -49,7 +49,7 @@ class DownloaderSlotsSettingsTestSpider(MetaSpider): self.times[slot].append(time.time()) -class CrawlTestCase(TestCase): +class TestCrawl(TestCase): @classmethod def setUpClass(cls): cls.mockserver = MockServer() diff --git a/tests/test_engine_loop.py b/tests/test_engine_loop.py index c7dbc82d4..bfb8eeced 100644 --- a/tests/test_engine_loop.py +++ b/tests/test_engine_loop.py @@ -27,7 +27,7 @@ async def sleep(seconds: float = 0.001) -> None: await maybe_deferred_to_future(deferred) -class MainTestCase(TestCase): +class TestMain(TestCase): @deferred_f_from_coro_f async def test_sleep(self): """Neither asynchronous sleeps on Spider.start() nor the equivalent on @@ -119,7 +119,7 @@ class MainTestCase(TestCase): assert actual_urls == expected_urls, f"{actual_urls=} != {expected_urls=}" -class RequestSendOrderTestCase(TestCase): +class TestRequestSendOrder(TestCase): seconds = 0.1 # increase if flaky @classmethod diff --git a/tests/test_extension_telnet.py b/tests/test_extension_telnet.py index 2ac4d7830..f9e54cb28 100644 --- a/tests/test_extension_telnet.py +++ b/tests/test_extension_telnet.py @@ -8,7 +8,7 @@ from scrapy.extensions.telnet import TelnetConsole from scrapy.utils.test import get_crawler -class TelnetExtensionTest(unittest.TestCase): +class TestTelnetExtension(unittest.TestCase): def _get_console_and_portal(self, settings=None): crawler = get_crawler(settings_dict=settings) console = TelnetConsole(crawler) diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py index 262c0b434..01797fd20 100644 --- a/tests/test_feedexport.py +++ b/tests/test_feedexport.py @@ -91,52 +91,53 @@ def mock_google_cloud_storage() -> tuple[Any, Any, Any]: return (client_mock, bucket_mock, blob_mock) -# TODO: replace self.mktemp() and drop the unittest.TestCase base -class TestFileFeedStorage(unittest.TestCase): - def test_store_file_uri(self): - path = Path(self.mktemp()).resolve() +class TestFileFeedStorage: + def test_store_file_uri(self, tmp_path): + path = tmp_path / "file.txt" uri = path_to_file_uri(str(path)) self._assert_stores(FileFeedStorage(uri), path) - def test_store_file_uri_makedirs(self): - path = Path(self.mktemp()).resolve() / "more" / "paths" / "file.txt" + def test_store_file_uri_makedirs(self, tmp_path): + path = tmp_path / "more" / "paths" / "file.txt" uri = path_to_file_uri(str(path)) self._assert_stores(FileFeedStorage(uri), path) - def test_store_direct_path(self): - path = Path(self.mktemp()).resolve() + def test_store_direct_path(self, tmp_path): + path = tmp_path / "file.txt" self._assert_stores(FileFeedStorage(str(path)), path) - def test_store_direct_path_relative(self): - path = Path(self.mktemp()) + def test_store_direct_path_relative(self, tmp_path): + path = (tmp_path / "foo" / "bar").relative_to(Path.cwd()) self._assert_stores(FileFeedStorage(str(path)), path) - def test_interface(self): - path = self.mktemp() - st = FileFeedStorage(path) + def test_interface(self, tmp_path): + path = tmp_path / "file.txt" + st = FileFeedStorage(str(path)) verifyObject(IFeedStorage, st) - def _store(self, feed_options=None) -> Path: - path = Path(self.mktemp()).resolve() + @staticmethod + def _store(path: Path, feed_options: dict[str, Any] | None = None) -> None: storage = FileFeedStorage(str(path), feed_options=feed_options) spider = scrapy.Spider("default") file = storage.open(spider) file.write(b"content") storage.store(file) - return path - def test_append(self): - path = self._store() + def test_append(self, tmp_path): + path = tmp_path / "file.txt" + self._store(path) self._assert_stores(FileFeedStorage(str(path)), path, b"contentcontent") - def test_overwrite(self): - path = self._store({"overwrite": True}) + def test_overwrite(self, tmp_path): + path = tmp_path / "file.txt" + self._store(path, {"overwrite": True}) self._assert_stores( FileFeedStorage(str(path), feed_options={"overwrite": True}), path ) + @staticmethod def _assert_stores( - self, storage: FileFeedStorage, path: Path, expected_content: bytes = b"content" + storage: FileFeedStorage, path: Path, expected_content: bytes = b"content" ) -> None: spider = scrapy.Spider("default") file = storage.open(spider) diff --git a/tests/test_http2_client_protocol.py b/tests/test_http2_client_protocol.py index ef1806cc0..80edd50d6 100644 --- a/tests/test_http2_client_protocol.py +++ b/tests/test_http2_client_protocol.py @@ -8,7 +8,7 @@ import string from ipaddress import IPv4Address from pathlib import Path from tempfile import mkdtemp -from typing import TYPE_CHECKING +from typing import TYPE_CHECKING, Any, Callable from unittest import mock from urllib.parse import urlencode @@ -32,17 +32,22 @@ from twisted.web.static import File from scrapy.http import JsonRequest, Request, Response from scrapy.settings import Settings from scrapy.spiders import Spider +from scrapy.utils.defer import ( + deferred_f_from_coro_f, + deferred_from_coro, + maybe_deferred_to_future, +) from tests.mockserver import LeafResource, Status, ssl_context_factory if TYPE_CHECKING: - from twisted.python.failure import Failure + from collections.abc import Coroutine -def generate_random_string(size): +def generate_random_string(size: int) -> str: return "".join(random.choices(string.ascii_uppercase + string.digits, k=size)) -def make_html_body(val): +def make_html_body(val: str) -> bytes: response = f"""

Hello from HTTP2

{val}

@@ -92,7 +97,7 @@ class GetDataHtmlLarge(LeafResource): class PostDataJsonMixin: @staticmethod - def make_response(request: TxRequest, extra_data: str): + def make_response(request: TxRequest, extra_data: str) -> bytes: assert request.content is not None response = { "request-headers": {}, @@ -179,7 +184,6 @@ def get_client_certificate( pem = key_file.read_text(encoding="utf-8") + certificate_file.read_text( encoding="utf-8" ) - return PrivateCertificate.loadPEM(pem) @@ -238,6 +242,7 @@ class TestHttps2ClientProtocol(TestCase): uri = URI.fromBytes(bytes(self.get_url("/"), "utf-8")) self.conn_closed_deferred = Deferred() + from scrapy.core.http2.protocol import H2ClientFactory h2_client_factory = H2ClientFactory(uri, Settings(), self.conn_closed_deferred) @@ -255,7 +260,7 @@ class TestHttps2ClientProtocol(TestCase): shutil.rmtree(self.temp_directory) self.conn_closed_deferred = None - def get_url(self, path): + def get_url(self, path: str) -> str: """ :param path: Should have / at the starting compulsorily if not empty :return: Complete url @@ -264,143 +269,146 @@ class TestHttps2ClientProtocol(TestCase): assert path[0] == "/" or path[0] == "&" return f"{self.scheme}://{self.hostname}:{self.port_number}{path}" - def make_request(self, request: Request) -> Deferred: + async def make_request(self, request: Request) -> Response: + return await maybe_deferred_to_future(self.make_request_dfd(request)) + + def make_request_dfd(self, request: Request) -> Deferred[Response]: return self.client.request(request, DummySpider()) @staticmethod - def _check_repeat(get_deferred, count): + async def _check_repeat( + get_coro: Callable[[], Coroutine[Any, Any, None]], count: int + ) -> None: d_list = [] for _ in range(count): - d = get_deferred() + d = deferred_from_coro(get_coro()) d_list.append(d) - return DeferredList(d_list, fireOnOneErrback=True) + await maybe_deferred_to_future(DeferredList(d_list, fireOnOneErrback=True)) - def _check_GET(self, request: Request, expected_body, expected_status): - def check_response(response: Response): - assert response.status == expected_status - assert response.body == expected_body - assert response.request == request + async def _check_GET( + self, request: Request, expected_body: bytes, expected_status: int + ) -> None: + response = await self.make_request(request) + assert response.status == expected_status + assert response.body == expected_body + assert response.request == request - content_length_header = response.headers.get("Content-Length") - assert content_length_header is not None - content_length = int(content_length_header) - assert len(response.body) == content_length + content_length_header = response.headers.get("Content-Length") + assert content_length_header is not None + content_length = int(content_length_header) + assert len(response.body) == content_length - d = self.make_request(request) - d.addCallback(check_response) - d.addErrback(self.fail) - return d - - def test_GET_small_body(self): + @deferred_f_from_coro_f + async def test_GET_small_body(self): request = Request(self.get_url("/get-data-html-small")) - return self._check_GET(request, Data.HTML_SMALL, 200) + await self._check_GET(request, Data.HTML_SMALL, 200) - def test_GET_large_body(self): + @deferred_f_from_coro_f + async def test_GET_large_body(self): request = Request(self.get_url("/get-data-html-large")) - return self._check_GET(request, Data.HTML_LARGE, 200) + await self._check_GET(request, Data.HTML_LARGE, 200) - def _check_GET_x10(self, *args, **kwargs): - def get_deferred(): - return self._check_GET(*args, **kwargs) + async def _check_GET_x10( + self, request: Request, expected_body: bytes, expected_status: int + ) -> None: + async def get_coro() -> None: + await self._check_GET(request, expected_body, expected_status) - return self._check_repeat(get_deferred, 10) + await self._check_repeat(get_coro, 10) - def test_GET_small_body_x10(self): - return self._check_GET_x10( + @deferred_f_from_coro_f + async def test_GET_small_body_x10(self): + await self._check_GET_x10( Request(self.get_url("/get-data-html-small")), Data.HTML_SMALL, 200 ) - def test_GET_large_body_x10(self): - return self._check_GET_x10( + @deferred_f_from_coro_f + async def test_GET_large_body_x10(self): + await self._check_GET_x10( Request(self.get_url("/get-data-html-large")), Data.HTML_LARGE, 200 ) - def _check_POST_json( + async def _check_POST_json( self, request: Request, - expected_request_body, - expected_extra_data, + expected_request_body: dict[str, str], + expected_extra_data: str, expected_status: int, - ): - d = self.make_request(request) + ) -> None: + response = await self.make_request(request) - def assert_response(response: Response): - assert response.status == expected_status - assert response.request == request + assert response.status == expected_status + assert response.request == request - content_length_header = response.headers.get("Content-Length") - assert content_length_header is not None - content_length = int(content_length_header) - assert len(response.body) == content_length + content_length_header = response.headers.get("Content-Length") + assert content_length_header is not None + content_length = int(content_length_header) + assert len(response.body) == content_length - # Parse the body - content_encoding_header = response.headers[b"Content-Encoding"] - assert content_encoding_header is not None - content_encoding = str(content_encoding_header, "utf-8") - body = json.loads(str(response.body, content_encoding)) - assert "request-body" in body - assert "extra-data" in body - assert "request-headers" in body + # Parse the body + content_encoding_header = response.headers[b"Content-Encoding"] + assert content_encoding_header is not None + content_encoding = str(content_encoding_header, "utf-8") + body = json.loads(str(response.body, content_encoding)) + assert "request-body" in body + assert "extra-data" in body + assert "request-headers" in body - request_body = body["request-body"] - assert request_body == expected_request_body + request_body = body["request-body"] + assert request_body == expected_request_body - extra_data = body["extra-data"] - assert extra_data == expected_extra_data + extra_data = body["extra-data"] + assert extra_data == expected_extra_data - # Check if headers were sent successfully - request_headers = body["request-headers"] - for k, v in request.headers.items(): - k_str = str(k, "utf-8") - assert k_str in request_headers - assert request_headers[k_str] == str(v[0], "utf-8") + # Check if headers were sent successfully + request_headers = body["request-headers"] + for k, v in request.headers.items(): + k_str = str(k, "utf-8") + assert k_str in request_headers + assert request_headers[k_str] == str(v[0], "utf-8") - d.addCallback(assert_response) - d.addErrback(self.fail) - return d - - def test_POST_small_json(self): + @deferred_f_from_coro_f + async def test_POST_small_json(self): request = JsonRequest( url=self.get_url("/post-data-json-small"), method="POST", data=Data.JSON_SMALL, ) - return self._check_POST_json(request, Data.JSON_SMALL, Data.EXTRA_SMALL, 200) + await self._check_POST_json(request, Data.JSON_SMALL, Data.EXTRA_SMALL, 200) - def test_POST_large_json(self): + @deferred_f_from_coro_f + async def test_POST_large_json(self): request = JsonRequest( url=self.get_url("/post-data-json-large"), method="POST", data=Data.JSON_LARGE, ) - return self._check_POST_json(request, Data.JSON_LARGE, Data.EXTRA_LARGE, 200) + await self._check_POST_json(request, Data.JSON_LARGE, Data.EXTRA_LARGE, 200) - def _check_POST_json_x10(self, *args, **kwargs): - def get_deferred(): - return self._check_POST_json(*args, **kwargs) + async def _check_POST_json_x10(self, *args, **kwargs): + async def get_coro() -> None: + await self._check_POST_json(*args, **kwargs) - return self._check_repeat(get_deferred, 10) + await self._check_repeat(get_coro, 10) - def test_POST_small_json_x10(self): + @deferred_f_from_coro_f + async def test_POST_small_json_x10(self): request = JsonRequest( url=self.get_url("/post-data-json-small"), method="POST", data=Data.JSON_SMALL, ) - return self._check_POST_json_x10( - request, Data.JSON_SMALL, Data.EXTRA_SMALL, 200 - ) + await self._check_POST_json_x10(request, Data.JSON_SMALL, Data.EXTRA_SMALL, 200) - def test_POST_large_json_x10(self): + @deferred_f_from_coro_f + async def test_POST_large_json_x10(self): request = JsonRequest( url=self.get_url("/post-data-json-large"), method="POST", data=Data.JSON_LARGE, ) - return self._check_POST_json_x10( - request, Data.JSON_LARGE, Data.EXTRA_LARGE, 200 - ) + await self._check_POST_json_x10(request, Data.JSON_LARGE, Data.EXTRA_LARGE, 200) @inlineCallbacks def test_invalid_negotiated_protocol(self): @@ -409,77 +417,59 @@ class TestHttps2ClientProtocol(TestCase): ): request = Request(url=self.get_url("/status?n=200")) with pytest.raises(ResponseFailed): - yield self.make_request(request) + yield self.make_request_dfd(request) + @inlineCallbacks def test_cancel_request(self): request = Request(url=self.get_url("/get-data-html-large")) - - def assert_response(response: Response): - assert response.status == 499 - assert response.request == request - - d = self.make_request(request) - d.addCallback(assert_response) - d.addErrback(self.fail) + d = self.make_request_dfd(request) d.cancel() + response = yield d + assert response.status == 499 + assert response.request == request - return d - - def test_download_maxsize_exceeded(self): + @deferred_f_from_coro_f + async def test_download_maxsize_exceeded(self): request = Request( url=self.get_url("/get-data-html-large"), meta={"download_maxsize": 1000} ) + with pytest.raises(CancelledError) as exc_info: + await self.make_request(request) + error_pattern = re.compile( + rf"Cancelling download of {request.url}: received response " + rf"size \(\d*\) larger than download max size \(1000\)" + ) + assert len(re.findall(error_pattern, str(exc_info.value))) == 1 - def assert_cancelled_error(failure): - assert isinstance(failure.value, CancelledError) - error_pattern = re.compile( - rf"Cancelling download of {request.url}: received response " - rf"size \(\d*\) larger than download max size \(1000\)" - ) - assert len(re.findall(error_pattern, str(failure.value))) == 1 - - d = self.make_request(request) - d.addCallback(self.fail) - d.addErrback(assert_cancelled_error) - return d - + @inlineCallbacks def test_received_dataloss_response(self): """In case when value of Header Content-Length != len(Received Data) ProtocolError is raised""" + from h2.exceptions import InvalidBodyLengthError + request = Request(url=self.get_url("/dataloss")) + with pytest.raises(ResponseFailed) as exc_info: + yield self.make_request_dfd(request) + assert len(exc_info.value.reasons) > 0 + assert any( + isinstance(error, InvalidBodyLengthError) + for error in exc_info.value.reasons + ) - def assert_failure(failure: Failure): - assert len(failure.value.reasons) > 0 - from h2.exceptions import InvalidBodyLengthError - - assert any( - isinstance(error, InvalidBodyLengthError) - for error in failure.value.reasons - ) - - d = self.make_request(request) - d.addCallback(self.fail) - d.addErrback(assert_failure) - return d - - def test_missing_content_length_header(self): + @deferred_f_from_coro_f + async def test_missing_content_length_header(self): request = Request(url=self.get_url("/no-content-length-header")) + response = await self.make_request(request) + assert response.status == 200 + assert response.body == Data.NO_CONTENT_LENGTH + assert response.request == request + assert "Content-Length" not in response.headers - def assert_content_length(response: Response): - assert response.status == 200 - assert response.body == Data.NO_CONTENT_LENGTH - assert response.request == request - assert "Content-Length" not in response.headers - - d = self.make_request(request) - d.addCallback(assert_content_length) - d.addErrback(self.fail) - return d - - @inlineCallbacks - def _check_log_warnsize(self, request, warn_pattern, expected_body): + async def _check_log_warnsize( + self, request: Request, warn_pattern: re.Pattern[str], expected_body: bytes + ) -> None: with self.assertLogs("scrapy.core.http2.stream", level="WARNING") as cm: - response = yield self.make_request(request) + response = await self.make_request(request) assert response.status == 200 assert response.request == request assert response.body == expected_body @@ -487,8 +477,8 @@ class TestHttps2ClientProtocol(TestCase): # Check the warning is raised only once for this request assert sum(len(re.findall(warn_pattern, log)) for log in cm.output) == 1 - @inlineCallbacks - def test_log_expected_warnsize(self): + @deferred_f_from_coro_f + async def test_log_expected_warnsize(self): request = Request( url=self.get_url("/get-data-html-large"), meta={"download_warnsize": 1000} ) @@ -497,10 +487,10 @@ class TestHttps2ClientProtocol(TestCase): rf"download warn size \(1000\) in request {request}" ) - yield self._check_log_warnsize(request, warn_pattern, Data.HTML_LARGE) + await self._check_log_warnsize(request, warn_pattern, Data.HTML_LARGE) - @inlineCallbacks - def test_log_received_warnsize(self): + @deferred_f_from_coro_f + async def test_log_received_warnsize(self): request = Request( url=self.get_url("/no-content-length-header"), meta={"download_warnsize": 10}, @@ -510,20 +500,22 @@ class TestHttps2ClientProtocol(TestCase): rf"warn size \(10\) in request {request}" ) - yield self._check_log_warnsize(request, warn_pattern, Data.NO_CONTENT_LENGTH) + await self._check_log_warnsize(request, warn_pattern, Data.NO_CONTENT_LENGTH) - def test_max_concurrent_streams(self): + @deferred_f_from_coro_f + async def test_max_concurrent_streams(self): """Send 500 requests at one to check if we can handle very large number of request. """ - def get_deferred(): - return self._check_GET( + async def get_coro() -> None: + await self._check_GET( Request(self.get_url("/get-data-html-small")), Data.HTML_SMALL, 200 ) - return self._check_repeat(get_deferred, 500) + await self._check_repeat(get_coro, 500) + @inlineCallbacks def test_inactive_stream(self): """Here we send 110 requests considering the MAX_CONCURRENT_STREAMS by default is 100. After sending the first 100 requests we close the @@ -532,6 +524,7 @@ class TestHttps2ClientProtocol(TestCase): def assert_inactive_stream(failure): assert failure.check(ResponseFailed) is not None + from scrapy.core.http2.stream import InactiveStreamClosed assert any( @@ -540,14 +533,14 @@ class TestHttps2ClientProtocol(TestCase): # Send 100 request (we do not check the result) for _ in range(100): - d = self.make_request(Request(self.get_url("/get-data-html-small"))) + d = self.make_request_dfd(Request(self.get_url("/get-data-html-small"))) d.addBoth(lambda _: None) d_list.append(d) # Now send 10 extra request and save the response deferred in a list for _ in range(10): - d = self.make_request(Request(self.get_url("/get-data-html-small"))) - d.addCallback(self.fail) + d = self.make_request_dfd(Request(self.get_url("/get-data-html-small"))) + d.addCallback(lambda _: pytest.fail("This request should have failed")) d.addErrback(assert_inactive_stream) d_list.append(d) @@ -555,13 +548,15 @@ class TestHttps2ClientProtocol(TestCase): # with InactiveStreamClosed self.client.transport.loseConnection() - return DeferredList(d_list, consumeErrors=True, fireOnOneErrback=True) + yield DeferredList(d_list, consumeErrors=True, fireOnOneErrback=True) - def test_invalid_request_type(self): + @deferred_f_from_coro_f + async def test_invalid_request_type(self): with pytest.raises(TypeError): - self.make_request("https://InvalidDataTypePassed.com") + await self.make_request("https://InvalidDataTypePassed.com") - def test_query_parameters(self): + @deferred_f_from_coro_f + async def test_query_parameters(self): params = { "a": generate_random_string(20), "b": generate_random_string(20), @@ -569,133 +564,96 @@ class TestHttps2ClientProtocol(TestCase): "d": generate_random_string(20), } request = Request(self.get_url(f"/query-params?{urlencode(params)}")) + response = await self.make_request(request) + content_encoding_header = response.headers[b"Content-Encoding"] + assert content_encoding_header is not None + content_encoding = str(content_encoding_header, "utf-8") + data = json.loads(str(response.body, content_encoding)) + assert data == params - def assert_query_params(response: Response): - content_encoding_header = response.headers[b"Content-Encoding"] - assert content_encoding_header is not None - content_encoding = str(content_encoding_header, "utf-8") - data = json.loads(str(response.body, content_encoding)) - assert data == params - - d = self.make_request(request) - d.addCallback(assert_query_params) - d.addErrback(self.fail) - - return d - - def test_status_codes(self): - def assert_response_status(response: Response, expected_status: int): - assert response.status == expected_status - - d_list = [] + @deferred_f_from_coro_f + async def test_status_codes(self): for status in [200, 404]: request = Request(self.get_url(f"/status?n={status}")) - d = self.make_request(request) - d.addCallback(assert_response_status, status) - d.addErrback(self.fail) - d_list.append(d) + response = await self.make_request(request) + assert response.status == status - return DeferredList(d_list, fireOnOneErrback=True) - - def test_response_has_correct_certificate_ip_address(self): + @deferred_f_from_coro_f + async def test_response_has_correct_certificate_ip_address(self): request = Request(self.get_url("/status?n=200")) + response = await self.make_request(request) + assert response.request == request + assert isinstance(response.certificate, Certificate) + assert response.certificate.original is not None + assert response.certificate.getIssuer() == self.client_certificate.getIssuer() + assert response.certificate.getPublicKey().matches( + self.client_certificate.getPublicKey() + ) + assert isinstance(response.ip_address, IPv4Address) + assert str(response.ip_address) == "127.0.0.1" - def assert_metadata(response: Response): - assert response.request == request - assert isinstance(response.certificate, Certificate) - assert response.certificate.original is not None - assert ( - response.certificate.getIssuer() == self.client_certificate.getIssuer() - ) - assert response.certificate.getPublicKey().matches( - self.client_certificate.getPublicKey() - ) + async def _check_invalid_netloc(self, url: str) -> None: + from scrapy.core.http2.stream import InvalidHostname - assert isinstance(response.ip_address, IPv4Address) - assert str(response.ip_address) == "127.0.0.1" - - d = self.make_request(request) - d.addCallback(assert_metadata) - d.addErrback(self.fail) - - return d - - def _check_invalid_netloc(self, url): request = Request(url) + with pytest.raises(InvalidHostname) as exc_info: + await self.make_request(request) + error_msg = str(exc_info.value) + assert "localhost" in error_msg + assert "127.0.0.1" in error_msg + assert str(request) in error_msg - def assert_invalid_hostname(failure: Failure): - from scrapy.core.http2.stream import InvalidHostname + @deferred_f_from_coro_f + async def test_invalid_hostname(self): + await self._check_invalid_netloc("https://notlocalhost.notlocalhostdomain") - assert failure.check(InvalidHostname) is not None - error_msg = str(failure.value) - assert "localhost" in error_msg - assert "127.0.0.1" in error_msg - assert str(request) in error_msg - - d = self.make_request(request) - d.addCallback(self.fail) - d.addErrback(assert_invalid_hostname) - return d - - def test_invalid_hostname(self): - return self._check_invalid_netloc("https://notlocalhost.notlocalhostdomain") - - def test_invalid_host_port(self): + @deferred_f_from_coro_f + async def test_invalid_host_port(self): port = self.port_number + 1 - return self._check_invalid_netloc(f"https://127.0.0.1:{port}") + await self._check_invalid_netloc(f"https://127.0.0.1:{port}") - def test_connection_stays_with_invalid_requests(self): - d_list = [ - self.test_invalid_hostname(), - self.test_invalid_host_port(), - self.test_GET_small_body(), - self.test_POST_small_json(), - ] - - return DeferredList(d_list, fireOnOneErrback=True) + @deferred_f_from_coro_f + async def test_connection_stays_with_invalid_requests(self): + await maybe_deferred_to_future(self.test_invalid_hostname()) + await maybe_deferred_to_future(self.test_invalid_host_port()) + await maybe_deferred_to_future(self.test_GET_small_body()) + await maybe_deferred_to_future(self.test_POST_small_json()) + @inlineCallbacks def test_connection_timeout(self): request = Request(self.get_url("/timeout")) - d = self.make_request(request) # Update the timer to 1s to test connection timeout self.client.setTimeout(1) - def assert_timeout_error(failure: Failure): - for err in failure.value.reasons: - from scrapy.core.http2.protocol import H2ClientProtocol + with pytest.raises(ResponseFailed) as exc_info: + yield self.make_request_dfd(request) - if isinstance(err, TimeoutError): - assert ( - f"Connection was IDLE for more than {H2ClientProtocol.IDLE_TIMEOUT}s" - in str(err) - ) - break - else: - pytest.fail("No TimeoutError raised.") + for err in exc_info.value.reasons: + from scrapy.core.http2.protocol import H2ClientProtocol - d.addCallback(self.fail) - d.addErrback(assert_timeout_error) - return d + if isinstance(err, TimeoutError): + assert ( + f"Connection was IDLE for more than {H2ClientProtocol.IDLE_TIMEOUT}s" + in str(err) + ) + break + else: + pytest.fail("No TimeoutError raised.") - def test_request_headers_received(self): + @deferred_f_from_coro_f + async def test_request_headers_received(self): request = Request( self.get_url("/request-headers"), headers={"header-1": "header value 1", "header-2": "header value 2"}, ) - d = self.make_request(request) + response = await self.make_request(request) + assert response.status == 200 + assert response.request == request - def assert_request_headers(response: Response): - assert response.status == 200 - assert response.request == request - - response_headers = json.loads(str(response.body, "utf-8")) - assert isinstance(response_headers, dict) - for k, v in request.headers.items(): - k, v = str(k, "utf-8"), str(v[0], "utf-8") - assert k in response_headers - assert v == response_headers[k] - - d.addErrback(self.fail) - d.addCallback(assert_request_headers) - return d + response_headers = json.loads(str(response.body, "utf-8")) + assert isinstance(response_headers, dict) + for k, v in request.headers.items(): + k, v = str(k, "utf-8"), str(v[0], "utf-8") + assert k in response_headers + assert v == response_headers[k] diff --git a/tests/test_pipeline_crawl.py b/tests/test_pipeline_crawl.py index 00e534c4b..cf827e481 100644 --- a/tests/test_pipeline_crawl.py +++ b/tests/test_pipeline_crawl.py @@ -5,6 +5,7 @@ from pathlib import Path from tempfile import mkdtemp from typing import TYPE_CHECKING, Any +import pytest from testfixtures import LogCapture from twisted.internet.defer import inlineCallbacks from twisted.trial.unittest import TestCase @@ -218,18 +219,20 @@ class TestFileDownloadCrawl(TestCase): assert "ZeroDivisionError" in str(log) -skip_pillow: str | None +pillow_available: bool try: from PIL import Image # noqa: F401 except ImportError: - skip_pillow = "Missing Python Imaging Library, install https://pypi.org/pypi/Pillow" + pillow_available = False else: - skip_pillow = None + pillow_available = True -class ImageDownloadCrawlTestCase(TestFileDownloadCrawl): - skip = skip_pillow - +@pytest.mark.skipif( + not pillow_available, + reason="Missing Python Imaging Library, install https://pypi.org/pypi/Pillow", +) +class TestImageDownloadCrawl(TestFileDownloadCrawl): pipeline_class = "scrapy.pipelines.images.ImagesPipeline" store_setting_key = "IMAGES_STORE" media_key = "images" diff --git a/tests/test_pipeline_files.py b/tests/test_pipeline_files.py index 492409d02..b4eae108f 100644 --- a/tests/test_pipeline_files.py +++ b/tests/test_pipeline_files.py @@ -3,6 +3,7 @@ import os import random import time import warnings +from abc import ABC, abstractmethod from datetime import datetime from io import BytesIO from pathlib import Path @@ -265,7 +266,12 @@ class TestFilesPipeline(unittest.TestCase): assert file_path(request, item=item) == "full/path-to-store-file" -class FilesPipelineTestCaseFieldsMixin: +class TestFilesPipelineFieldsMixin(ABC): + @property + @abstractmethod + def item_class(self) -> Any: + raise NotImplementedError + def test_item_fields_default(self, tmp_path): url = "http://www.example.com/files/1.txt" item = self.item_class(name="item1", file_urls=[url]) @@ -302,7 +308,7 @@ class FilesPipelineTestCaseFieldsMixin: assert isinstance(item, self.item_class) -class TestFilesPipelineFieldsDict(FilesPipelineTestCaseFieldsMixin): +class TestFilesPipelineFieldsDict(TestFilesPipelineFieldsMixin): item_class = dict @@ -316,7 +322,7 @@ class FilesPipelineTestItem(Item): custom_files = Field() -class TestFilesPipelineFieldsItem(FilesPipelineTestCaseFieldsMixin): +class TestFilesPipelineFieldsItem(TestFilesPipelineFieldsMixin): item_class = FilesPipelineTestItem @@ -331,7 +337,7 @@ class FilesPipelineTestDataClass: custom_files: list = dataclasses.field(default_factory=list) -class TestFilesPipelineFieldsDataClass(FilesPipelineTestCaseFieldsMixin): +class TestFilesPipelineFieldsDataClass(TestFilesPipelineFieldsMixin): item_class = FilesPipelineTestDataClass @@ -346,7 +352,7 @@ class FilesPipelineTestAttrsItem: custom_files: list[dict[str, str]] = attr.ib(default=list) -class TestFilesPipelineFieldsAttrsItem(FilesPipelineTestCaseFieldsMixin): +class TestFilesPipelineFieldsAttrsItem(TestFilesPipelineFieldsMixin): item_class = FilesPipelineTestAttrsItem diff --git a/tests/test_pipeline_images.py b/tests/test_pipeline_images.py index f2ee18bd9..74b4495ad 100644 --- a/tests/test_pipeline_images.py +++ b/tests/test_pipeline_images.py @@ -3,8 +3,10 @@ from __future__ import annotations import dataclasses import io import random +from abc import ABC, abstractmethod from shutil import rmtree from tempfile import mkdtemp +from typing import Any import attr import pytest @@ -208,7 +210,12 @@ class TestImagesPipeline: assert converted.getcolors() == [(10000, (205, 230, 255))] -class ImagesPipelineTestCaseFieldsMixin: +class TestImagesPipelineFieldsMixin(ABC): + @property + @abstractmethod + def item_class(self) -> Any: + raise NotImplementedError + def test_item_fields_default(self): url = "http://www.example.com/images/1.jpg" item = self.item_class(name="item1", image_urls=[url]) @@ -245,7 +252,7 @@ class ImagesPipelineTestCaseFieldsMixin: assert isinstance(item, self.item_class) -class TestImagesPipelineFieldsDict(ImagesPipelineTestCaseFieldsMixin): +class TestImagesPipelineFieldsDict(TestImagesPipelineFieldsMixin): item_class = dict @@ -259,7 +266,7 @@ class ImagesPipelineTestItem(Item): custom_images = Field() -class TestImagesPipelineFieldsItem(ImagesPipelineTestCaseFieldsMixin): +class TestImagesPipelineFieldsItem(TestImagesPipelineFieldsMixin): item_class = ImagesPipelineTestItem @@ -274,7 +281,7 @@ class ImagesPipelineTestDataClass: custom_images: list = dataclasses.field(default_factory=list) -class TestImagesPipelineFieldsDataClass(ImagesPipelineTestCaseFieldsMixin): +class TestImagesPipelineFieldsDataClass(TestImagesPipelineFieldsMixin): item_class = ImagesPipelineTestDataClass @@ -289,7 +296,7 @@ class ImagesPipelineTestAttrsItem: custom_images: list[dict[str, str]] = attr.ib(default=list) -class TestImagesPipelineFieldsAttrsItem(ImagesPipelineTestCaseFieldsMixin): +class TestImagesPipelineFieldsAttrsItem(TestImagesPipelineFieldsMixin): item_class = ImagesPipelineTestAttrsItem diff --git a/tests/test_pipeline_media.py b/tests/test_pipeline_media.py index 2d0db6e25..40149f184 100644 --- a/tests/test_pipeline_media.py +++ b/tests/test_pipeline_media.py @@ -345,7 +345,7 @@ class TestMediaPipeline(TestBaseMediaPipeline): @inlineCallbacks def test_use_media_to_download_result(self): - req = Request("http://url", meta={"result": "ITSME", "response": self.fail}) + req = Request("http://url", meta={"result": "ITSME"}) item = {"requests": req} new_item = yield self.pipe.process_item(item, self.spider) assert new_item["results"] == [(True, "ITSME")] diff --git a/tests/test_scheduler_base.py b/tests/test_scheduler_base.py index 5c2772c30..26482fc8d 100644 --- a/tests/test_scheduler_base.py +++ b/tests/test_scheduler_base.py @@ -115,7 +115,7 @@ class TestMinimalScheduler(InterfaceCheckMixin): assert not self.scheduler.has_pending_requests() -class SimpleSchedulerTest(TestCase, InterfaceCheckMixin): +class TestSimpleScheduler(TestCase, InterfaceCheckMixin): def setUp(self): self.scheduler = SimpleScheduler() @@ -145,7 +145,7 @@ class SimpleSchedulerTest(TestCase, InterfaceCheckMixin): assert close_result == "close" -class MinimalSchedulerCrawlTest(TestCase): +class TestMinimalSchedulerCrawl(TestCase): scheduler_cls = MinimalScheduler @inlineCallbacks @@ -162,5 +162,5 @@ class MinimalSchedulerCrawlTest(TestCase): assert f"'item_scraped_count': {len(PATHS)}" in str(log) -class SimpleSchedulerCrawlTest(MinimalSchedulerCrawlTest): +class TestSimpleSchedulerCrawl(TestMinimalSchedulerCrawl): scheduler_cls = SimpleScheduler diff --git a/tests/test_signals.py b/tests/test_signals.py index 5a536896e..b20a949e8 100644 --- a/tests/test_signals.py +++ b/tests/test_signals.py @@ -21,7 +21,7 @@ class ItemSpider(Spider): return {"index": response.meta["index"]} -class MainTestCase(TestCase): +class TestMain(TestCase): @deferred_f_from_coro_f async def test_scheduler_empty(self): crawler = get_crawler() @@ -35,7 +35,7 @@ class MainTestCase(TestCase): assert len(calls) >= 1 -class MockServerTestCase(TestCase): +class TestMockServer(TestCase): @classmethod def setUpClass(cls): cls.mockserver = MockServer() diff --git a/tests/test_spider_start.py b/tests/test_spider_start.py index 1815aad76..3c7fc65d5 100644 --- a/tests/test_spider_start.py +++ b/tests/test_spider_start.py @@ -18,7 +18,7 @@ ITEM_A = {"id": "a"} ITEM_B = {"id": "b"} -class MainTestCase(TestCase): +class TestMain(TestCase): async def _test_spider(self, spider, expected_items=None): actual_items = [] expected_items = [] if expected_items is None else expected_items diff --git a/tests/test_spidermiddleware_process_start.py b/tests/test_spidermiddleware_process_start.py index 725833a49..e1c8b5fec 100644 --- a/tests/test_spidermiddleware_process_start.py +++ b/tests/test_spidermiddleware_process_start.py @@ -47,7 +47,7 @@ class UniversalSpiderMiddleware: raise NotImplementedError -# Spiders and spider middlewares for MainTestCase._test_wrap +# Spiders and spider middlewares for TestMain._test_wrap class ModernWrapSpider(Spider): @@ -106,7 +106,7 @@ class DeprecatedWrapSpiderMiddleware: yield ITEM_C -class MainTestCase(TestCase): +class TestMain(TestCase): async def _test(self, spider_middlewares, spider_cls, expected_items): actual_items = [] diff --git a/tests/test_utils_defer.py b/tests/test_utils_defer.py index 372213319..1cfaf70fa 100644 --- a/tests/test_utils_defer.py +++ b/tests/test_utils_defer.py @@ -92,10 +92,10 @@ class TestDeferUtils(unittest.TestCase): x = yield process_parallel([cb1, cb2, cb3], "res", "v1", "v2") assert x == ["(cb1 res v1 v2)", "(cb2 res v1 v2)", "(cb3 res v1 v2)"] + @inlineCallbacks def test_process_parallel_failure(self): - d = process_parallel([cb1, cb_fail, cb3], "res", "v1", "v2") - self.failUnlessFailure(d, TypeError) - return d + with pytest.raises(TypeError): + yield process_parallel([cb1, cb_fail, cb3], "res", "v1", "v2") class TestIterErrback: diff --git a/tests/test_utils_signal.py b/tests/test_utils_signal.py index 97dade26e..79bac8bc5 100644 --- a/tests/test_utils_signal.py +++ b/tests/test_utils_signal.py @@ -59,12 +59,12 @@ class TestSendCatchLog(unittest.TestCase): return "OK" -class SendCatchLogDeferredTest(TestSendCatchLog): +class TestSendCatchLogDeferred(TestSendCatchLog): def _get_result(self, signal, *a, **kw): return send_catch_log_deferred(signal, *a, **kw) -class SendCatchLogDeferredTest2(SendCatchLogDeferredTest): +class TestSendCatchLogDeferred2(TestSendCatchLogDeferred): def ok_handler(self, arg, handlers_called): from twisted.internet import reactor @@ -76,7 +76,7 @@ class SendCatchLogDeferredTest2(SendCatchLogDeferredTest): @pytest.mark.usefixtures("reactor_pytest") -class SendCatchLogDeferredAsyncDefTest(SendCatchLogDeferredTest): +class TestSendCatchLogDeferredAsyncDef(TestSendCatchLogDeferred): async def ok_handler(self, arg, handlers_called): handlers_called.add(self.ok_handler) assert arg == "test" @@ -85,7 +85,7 @@ class SendCatchLogDeferredAsyncDefTest(SendCatchLogDeferredTest): @pytest.mark.only_asyncio -class SendCatchLogDeferredAsyncioTest(SendCatchLogDeferredTest): +class TestSendCatchLogDeferredAsyncio(TestSendCatchLogDeferred): async def ok_handler(self, arg, handlers_called): handlers_called.add(self.ok_handler) assert arg == "test" @@ -93,12 +93,12 @@ class SendCatchLogDeferredAsyncioTest(SendCatchLogDeferredTest): return await get_from_asyncio_queue("OK") -class SendCatchLogAsyncTest(TestSendCatchLog): +class TestSendCatchLogAsync(TestSendCatchLog): def _get_result(self, signal, *a, **kw): return deferred_from_coro(send_catch_log_async(signal, *a, **kw)) -class SendCatchLogAsyncTest2(SendCatchLogAsyncTest): +class TestSendCatchLogAsync2(TestSendCatchLogAsync): def ok_handler(self, arg, handlers_called): from twisted.internet import reactor @@ -110,7 +110,7 @@ class SendCatchLogAsyncTest2(SendCatchLogAsyncTest): @pytest.mark.usefixtures("reactor_pytest") -class SendCatchLogAsyncAsyncDefTest(SendCatchLogAsyncTest): +class TestSendCatchLogAsyncAsyncDef(TestSendCatchLogAsync): async def ok_handler(self, arg, handlers_called): handlers_called.add(self.ok_handler) assert arg == "test" @@ -119,7 +119,7 @@ class SendCatchLogAsyncAsyncDefTest(SendCatchLogAsyncTest): @pytest.mark.only_asyncio -class SendCatchLogAsyncAsyncioTest(SendCatchLogAsyncTest): +class TestSendCatchLogAsyncAsyncio(TestSendCatchLogAsync): async def ok_handler(self, arg, handlers_called): handlers_called.add(self.ok_handler) assert arg == "test" diff --git a/tests/test_webclient.py b/tests/test_webclient.py index 8b32e40bb..569f4f639 100644 --- a/tests/test_webclient.py +++ b/tests/test_webclient.py @@ -234,35 +234,31 @@ class TestWebClient(unittest.TestCase): def getURL(self, path): return f"http://127.0.0.1:{self.portno}/{path}" + @inlineCallbacks def testPayload(self): s = "0123456789" * 10 - return getPage(self.getURL("payload"), body=s).addCallback( - self.assertEqual, to_bytes(s) - ) + body = yield getPage(self.getURL("payload"), body=s) + assert body == to_bytes(s) + @inlineCallbacks def testHostHeader(self): # if we pass Host header explicitly, it should be used, otherwise # it should extract from url - return defer.gatherResults( - [ - getPage(self.getURL("host")).addCallback( - self.assertEqual, to_bytes(f"127.0.0.1:{self.portno}") - ), - getPage( - self.getURL("host"), headers={"Host": "www.example.com"} - ).addCallback(self.assertEqual, to_bytes("www.example.com")), - ] - ) + body = yield getPage(self.getURL("host")) + assert body == to_bytes(f"127.0.0.1:{self.portno}") + body = yield getPage(self.getURL("host"), headers={"Host": "www.example.com"}) + assert body == to_bytes("www.example.com") + @inlineCallbacks def test_getPage(self): """ L{client.getPage} returns a L{Deferred} which is called back with the body of the response if the default method B{GET} is used. """ - d = getPage(self.getURL("file")) - d.addCallback(self.assertEqual, b"0123456789") - return d + body = yield getPage(self.getURL("file")) + assert body == b"0123456789" + @inlineCallbacks def test_getPageHead(self): """ L{client.getPage} returns a L{Deferred} which is called back with @@ -273,22 +269,20 @@ class TestWebClient(unittest.TestCase): def _getPage(method): return getPage(self.getURL("file"), method=method) - return defer.gatherResults( - [ - _getPage("head").addCallback(self.assertEqual, b""), - _getPage("HEAD").addCallback(self.assertEqual, b""), - ] - ) + body = yield _getPage("head") + assert body == b"" + body = yield _getPage("HEAD") + assert body == b"" + @inlineCallbacks def test_timeoutNotTriggering(self): """ When a non-zero timeout is passed to L{getPage} and the page is retrieved before the timeout period elapses, the L{Deferred} is called back with the contents of the page. """ - d = getPage(self.getURL("host"), timeout=100) - d.addCallback(self.assertEqual, to_bytes(f"127.0.0.1:{self.portno}")) - return d + body = yield getPage(self.getURL("host"), timeout=100) + assert body == to_bytes(f"127.0.0.1:{self.portno}") @inlineCallbacks def test_timeoutTriggering(self): @@ -307,12 +301,12 @@ class TestWebClient(unittest.TestCase): if connected: connected[0].transport.loseConnection() + @inlineCallbacks def testNotFound(self): - return getPage(self.getURL("notsuchfile")).addCallback(self._cbNoSuchFile) - - def _cbNoSuchFile(self, pageData): - assert b"404 - No Such Resource" in pageData + body = yield getPage(self.getURL("notsuchfile")) + assert b"404 - No Such Resource" in body + @inlineCallbacks def testFactoryInfo(self): from twisted.internet import reactor @@ -320,63 +314,60 @@ class TestWebClient(unittest.TestCase): parsed = urlparse(url) factory = client.ScrapyHTTPClientFactory(Request(url)) reactor.connectTCP(parsed.hostname, parsed.port, factory) - return factory.deferred.addCallback(self._cbFactoryInfo, factory) - - def _cbFactoryInfo(self, ignoredResult, factory): + yield factory.deferred assert factory.status == b"200" assert factory.version.startswith(b"HTTP/") assert factory.message == b"OK" assert factory.response_headers[b"content-length"] == b"10" + @inlineCallbacks def testRedirect(self): - return getPage(self.getURL("redirect")).addCallback(self._cbRedirect) - - def _cbRedirect(self, pageData): + body = yield getPage(self.getURL("redirect")) assert ( - pageData + body == b'\n\n \n \n' b' \n \n ' b'click here\n \n\n' ) + @inlineCallbacks def test_encoding(self): """Test that non-standart body encoding matches Content-Encoding header""" - body = b"\xd0\x81\xd1\x8e\xd0\xaf" - dfd = getPage( - self.getURL("encoding"), body=body, response_transform=lambda r: r + original_body = b"\xd0\x81\xd1\x8e\xd0\xaf" + response = yield getPage( + self.getURL("encoding"), body=original_body, response_transform=lambda r: r ) - return dfd.addCallback(self._check_Encoding, body) - - def _check_Encoding(self, response, original_body): content_encoding = to_unicode(response.headers[b"Content-Encoding"]) assert content_encoding == EncodingResource.out_encoding assert response.body.decode(content_encoding) == to_unicode(original_body) @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") -class WebClientSSLTestCase(TestContextFactoryBase): +class TestWebClientSSL(TestContextFactoryBase): + @inlineCallbacks def testPayload(self): s = "0123456789" * 10 - return getPage(self.getURL("payload"), body=s).addCallback( - self.assertEqual, to_bytes(s) - ) + body = yield getPage(self.getURL("payload"), body=s) + assert body == to_bytes(s) -class WebClientCustomCiphersSSLTestCase(WebClientSSLTestCase): +class TestWebClientCustomCiphersSSL(TestWebClientSSL): # we try to use a cipher that is not enabled by default in OpenSSL custom_ciphers = "CAMELLIA256-SHA" context_factory = ssl_context_factory(cipher_string=custom_ciphers) + @inlineCallbacks def testPayload(self): s = "0123456789" * 10 crawler = get_crawler( settings_dict={"DOWNLOADER_CLIENT_TLS_CIPHERS": self.custom_ciphers} ) client_context_factory = build_from_crawler(ScrapyClientContextFactory, crawler) - return getPage( + body = yield getPage( self.getURL("payload"), body=s, contextFactory=client_context_factory - ).addCallback(self.assertEqual, to_bytes(s)) + ) + assert body == to_bytes(s) @inlineCallbacks def testPayloadDisabledCipher(self): From 92c18d15b4dbed7c98dc3d5ac329c90abb23950f Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Fri, 13 Jun 2025 22:18:27 +0500 Subject: [PATCH 516/786] Remove ProcessTest and SiteTest. (#6885) * Remove ProcessTest and SiteTest. * Restore the support for Windows line endings in TestParseCommand. * Add a test for running a scrapy command in a project subdir. * Remove pywin32 from test deps. --- tests/mockserver.py | 43 +++- tests/test_command_check.py | 6 +- tests/test_command_fetch.py | 46 ++-- tests/test_command_parse.py | 379 ++++++++++++++--------------- tests/test_command_runspider.py | 17 +- tests/test_command_shell.py | 153 ++++++------ tests/test_command_startproject.py | 4 +- tests/test_command_version.py | 26 +- tests/test_commands.py | 49 ++-- tests/utils/testproc.py | 67 ----- tests/utils/testsite.py | 47 ---- tox.ini | 1 - 12 files changed, 360 insertions(+), 478 deletions(-) delete mode 100644 tests/utils/testproc.py delete mode 100644 tests/utils/testsite.py diff --git a/tests/mockserver.py b/tests/mockserver.py index e0ac127f2..841a2cfe4 100644 --- a/tests/mockserver.py +++ b/tests/mockserver.py @@ -18,11 +18,12 @@ from twisted.internet.task import deferLater from twisted.names import dns, error from twisted.names.server import DNSServerFactory from twisted.web import resource, server -from twisted.web.server import NOT_DONE_YET, GzipEncoderFactory, Site -from twisted.web.static import File -from twisted.web.util import redirectTo +from twisted.web.server import NOT_DONE_YET, Site +from twisted.web.static import Data, File +from twisted.web.util import Redirect, redirectTo from scrapy.utils.python import to_bytes, to_unicode +from tests import tests_datadir if TYPE_CHECKING: from twisted.internet.protocol import ServerFactory @@ -245,6 +246,14 @@ class ArbitraryLengthPayloadResource(LeafResource): return request.content.read() +class NoMetaRefreshRedirect(Redirect): + def render(self, request: server.Request) -> bytes: + content = Redirect.render(self, request) + return content.replace( + b'http-equiv="refresh"', b'http-no-equiv="do-not-refresh-me"' + ) + + class Root(resource.Resource): def __init__(self): resource.Resource.__init__(self) @@ -256,18 +265,26 @@ class Root(resource.Resource): self.putChild(b"raw", Raw()) self.putChild(b"echo", Echo()) self.putChild(b"payload", PayloadResource()) - self.putChild( - b"xpayload", - resource.EncodingResourceWrapper(PayloadResource(), [GzipEncoderFactory()]), - ) self.putChild(b"alpayload", ArbitraryLengthPayloadResource()) - try: - from tests import tests_datadir - - self.putChild(b"files", File(str(Path(tests_datadir, "test_site/files/")))) - except Exception: - pass + self.putChild(b"files", File(str(Path(tests_datadir, "test_site/files/")))) self.putChild(b"redirect-to", RedirectTo()) + self.putChild(b"text", Data(b"Works", "text/plain")) + self.putChild( + b"html", + Data( + b"

Works

World

", + "text/html", + ), + ) + self.putChild( + b"enc-gb18030", + Data(b"

gb18030 encoding

", "text/html; charset=gb18030"), + ) + self.putChild(b"redirect", Redirect(b"/redirected")) + self.putChild( + b"redirect-no-meta-refresh", NoMetaRefreshRedirect(b"/redirected") + ) + self.putChild(b"redirected", Data(b"Redirected here", "text/plain")) def getChild(self, name, request): return self diff --git a/tests/test_command_check.py b/tests/test_command_check.py index 975f31dfe..97bd9d726 100644 --- a/tests/test_command_check.py +++ b/tests/test_command_check.py @@ -7,10 +7,8 @@ from tests.test_commands import TestCommandBase class TestCheckCommand(TestCommandBase): - command = "check" - - def setUp(self): - super().setUp() + def setup_method(self): + super().setup_method() self.spider_name = "check_spider" self.spider = (self.proj_mod_path / "spiders" / "checkspider.py").resolve() diff --git a/tests/test_command_fetch.py b/tests/test_command_fetch.py index 89f664336..c83594361 100644 --- a/tests/test_command_fetch.py +++ b/tests/test_command_fetch.py @@ -1,35 +1,35 @@ -from twisted.internet.defer import inlineCallbacks -from twisted.trial import unittest - -from tests.utils.testproc import ProcessTest -from tests.utils.testsite import SiteTest +from tests.mockserver import MockServer +from tests.test_commands import TestProjectBase -class TestFetchCommand(ProcessTest, SiteTest, unittest.TestCase): - command = "fetch" +class TestFetchCommand(TestProjectBase): + @classmethod + def setup_class(cls): + cls.mockserver = MockServer() + cls.mockserver.__enter__() + + @classmethod + def teardown_class(cls): + cls.mockserver.__exit__(None, None, None) - @inlineCallbacks def test_output(self): - _, out, _ = yield self.execute([self.url("/text")]) - assert out.strip() == b"Works" + _, out, _ = self.proc("fetch", self.mockserver.url("/text")) + assert out.strip() == "Works" - @inlineCallbacks def test_redirect_default(self): - _, out, _ = yield self.execute([self.url("/redirect")]) - assert out.strip() == b"Redirected here" + _, out, _ = self.proc("fetch", self.mockserver.url("/redirect")) + assert out.strip() == "Redirected here" - @inlineCallbacks def test_redirect_disabled(self): - _, out, err = yield self.execute( - ["--no-redirect", self.url("/redirect-no-meta-refresh")] + _, _, err = self.proc( + "fetch", "--no-redirect", self.mockserver.url("/redirect-no-meta-refresh") ) err = err.strip() - assert b"downloader/response_status_count/302" in err, err - assert b"downloader/response_status_count/200" not in err, err + assert "downloader/response_status_count/302" in err, err + assert "downloader/response_status_count/200" not in err, err - @inlineCallbacks def test_headers(self): - _, out, _ = yield self.execute([self.url("/text"), "--headers"]) - out = out.replace(b"\r", b"") # required on win32 - assert b"Server: TwistedWeb" in out, out - assert b"Content-Type: text/plain" in out + _, out, _ = self.proc("fetch", self.mockserver.url("/text"), "--headers") + out = out.replace("\r", "") # required on win32 + assert "Server: TwistedWeb" in out, out + assert "Content-Type: text/plain" in out diff --git a/tests/test_command_parse.py b/tests/test_command_parse.py index 6681aba17..5c3120c21 100644 --- a/tests/test_command_parse.py +++ b/tests/test_command_parse.py @@ -1,29 +1,25 @@ import argparse -import os import re from pathlib import Path -from twisted.internet.defer import inlineCallbacks - from scrapy.commands import parse from scrapy.settings import Settings -from scrapy.utils.python import to_unicode +from tests.mockserver import MockServer from tests.test_commands import TestCommandBase -from tests.utils.testproc import ProcessTest -from tests.utils.testsite import SiteTest -def _textmode(bstr: bytes) -> str: - """Normalize input the same as writing to a file - and reading from it in text mode""" - return to_unicode(bstr).replace(os.linesep, "\n") +class TestParseCommand(TestCommandBase): + @classmethod + def setup_class(cls): + cls.mockserver = MockServer() + cls.mockserver.__enter__() + @classmethod + def teardown_class(cls): + cls.mockserver.__exit__(None, None, None) -class TestParseCommand(ProcessTest, SiteTest, TestCommandBase): - command = "parse" - - def setUp(self): - super().setUp() + def setup_method(self): + super().setup_method() self.spider_name = "parse_spider" (self.proj_mod_path / "spiders" / "myspider.py").write_text( f""" @@ -171,260 +167,253 @@ ITEM_PIPELINES = {{'{self.project_name}.pipelines.MyPipeline': 1}} """ ) - @inlineCallbacks def test_spider_arguments(self): - _, _, stderr = yield self.execute( - [ - "--spider", - self.spider_name, - "-a", - "test_arg=1", - "-c", - "parse", - "--verbose", - self.url("/html"), - ] + _, _, stderr = self.proc( + "parse", + "--spider", + self.spider_name, + "-a", + "test_arg=1", + "-c", + "parse", + "--verbose", + self.mockserver.url("/html"), ) - assert "DEBUG: It Works!" in _textmode(stderr) + assert "DEBUG: It Works!" in stderr - @inlineCallbacks def test_request_with_meta(self): raw_json_string = '{"foo" : "baz"}' - _, _, stderr = yield self.execute( - [ - "--spider", - self.spider_name, - "--meta", - raw_json_string, - "-c", - "parse_request_with_meta", - "--verbose", - self.url("/html"), - ] + _, _, stderr = self.proc( + "parse", + "--spider", + self.spider_name, + "--meta", + raw_json_string, + "-c", + "parse_request_with_meta", + "--verbose", + self.mockserver.url("/html"), ) - assert "DEBUG: It Works!" in _textmode(stderr) + assert "DEBUG: It Works!" in stderr - _, _, stderr = yield self.execute( - [ - "--spider", - self.spider_name, - "-m", - raw_json_string, - "-c", - "parse_request_with_meta", - "--verbose", - self.url("/html"), - ] + _, _, stderr = self.proc( + "parse", + "--spider", + self.spider_name, + "-m", + raw_json_string, + "-c", + "parse_request_with_meta", + "--verbose", + self.mockserver.url("/html"), ) - assert "DEBUG: It Works!" in _textmode(stderr) + assert "DEBUG: It Works!" in stderr - @inlineCallbacks def test_request_with_cb_kwargs(self): raw_json_string = '{"foo" : "bar", "key": "value"}' - _, _, stderr = yield self.execute( - [ - "--spider", - self.spider_name, - "--cbkwargs", - raw_json_string, - "-c", - "parse_request_with_cb_kwargs", - "--verbose", - self.url("/html"), - ] + _, _, stderr = self.proc( + "parse", + "--spider", + self.spider_name, + "--cbkwargs", + raw_json_string, + "-c", + "parse_request_with_cb_kwargs", + "--verbose", + self.mockserver.url("/html"), ) - log = _textmode(stderr) - assert "DEBUG: It Works!" in log + assert "DEBUG: It Works!" in stderr assert ( - "DEBUG: request.callback signature: (response, foo=None, key=None)" in log + "DEBUG: request.callback signature: (response, foo=None, key=None)" + in stderr ) - @inlineCallbacks def test_request_without_meta(self): - _, _, stderr = yield self.execute( - [ - "--spider", - self.spider_name, - "-c", - "parse_request_without_meta", - "--nolinks", - self.url("/html"), - ] + _, _, stderr = self.proc( + "parse", + "--spider", + self.spider_name, + "-c", + "parse_request_without_meta", + "--nolinks", + self.mockserver.url("/html"), ) - assert "DEBUG: It Works!" in _textmode(stderr) + assert "DEBUG: It Works!" in stderr - @inlineCallbacks def test_pipelines(self): - _, _, stderr = yield self.execute( - [ - "--spider", - self.spider_name, - "--pipelines", - "-c", - "parse", - "--verbose", - self.url("/html"), - ] + _, _, stderr = self.proc( + "parse", + "--spider", + self.spider_name, + "--pipelines", + "-c", + "parse", + "--verbose", + self.mockserver.url("/html"), ) - assert "INFO: It Works!" in _textmode(stderr) + assert "INFO: It Works!" in stderr - @inlineCallbacks def test_async_def_asyncio_parse_items_list(self): - status, out, stderr = yield self.execute( - [ - "--spider", - "asyncdef_asyncio_return", - "-c", - "parse", - self.url("/html"), - ] + _, out, stderr = self.proc( + "parse", + "--spider", + "asyncdef_asyncio_return", + "-c", + "parse", + self.mockserver.url("/html"), ) - assert "INFO: Got response 200" in _textmode(stderr) - assert "{'id': 1}" in _textmode(out) - assert "{'id': 2}" in _textmode(out) + assert "INFO: Got response 200" in stderr + assert "{'id': 1}" in out + assert "{'id': 2}" in out - @inlineCallbacks def test_async_def_asyncio_parse_items_single_element(self): - status, out, stderr = yield self.execute( - [ - "--spider", - "asyncdef_asyncio_return_single_element", - "-c", - "parse", - self.url("/html"), - ] + _, out, stderr = self.proc( + "parse", + "--spider", + "asyncdef_asyncio_return_single_element", + "-c", + "parse", + self.mockserver.url("/html"), ) - assert "INFO: Got response 200" in _textmode(stderr) - assert "{'foo': 42}" in _textmode(out) + assert "INFO: Got response 200" in stderr + assert "{'foo': 42}" in out - @inlineCallbacks def test_async_def_asyncgen_parse_loop(self): - status, out, stderr = yield self.execute( - [ - "--spider", - "asyncdef_asyncio_gen_loop", - "-c", - "parse", - self.url("/html"), - ] + _, out, stderr = self.proc( + "parse", + "--spider", + "asyncdef_asyncio_gen_loop", + "-c", + "parse", + self.mockserver.url("/html"), ) - assert "INFO: Got response 200" in _textmode(stderr) + assert "INFO: Got response 200" in stderr for i in range(10): - assert f"{{'foo': {i}}}" in _textmode(out) + assert f"{{'foo': {i}}}" in out - @inlineCallbacks def test_async_def_asyncgen_parse_exc(self): - status, out, stderr = yield self.execute( - [ - "--spider", - "asyncdef_asyncio_gen_exc", - "-c", - "parse", - self.url("/html"), - ] + _, out, stderr = self.proc( + "parse", + "--spider", + "asyncdef_asyncio_gen_exc", + "-c", + "parse", + self.mockserver.url("/html"), ) - assert "ValueError" in _textmode(stderr) + assert "ValueError" in stderr for i in range(7): - assert f"{{'foo': {i}}}" in _textmode(out) + assert f"{{'foo': {i}}}" in out - @inlineCallbacks def test_async_def_asyncio_parse(self): - _, _, stderr = yield self.execute( - [ - "--spider", - "asyncdef_asyncio", - "-c", - "parse", - self.url("/html"), - ] + _, _, stderr = self.proc( + "parse", + "--spider", + "asyncdef_asyncio", + "-c", + "parse", + self.mockserver.url("/html"), ) - assert "DEBUG: Got response 200" in _textmode(stderr) + assert "DEBUG: Got response 200" in stderr - @inlineCallbacks def test_parse_items(self): - status, out, stderr = yield self.execute( - ["--spider", self.spider_name, "-c", "parse", self.url("/html")] + _, out, _ = self.proc( + "parse", + "--spider", + self.spider_name, + "-c", + "parse", + self.mockserver.url("/html"), ) - assert "[{}, {'foo': 'bar'}]" in _textmode(out) + assert "[{}, {'foo': 'bar'}]" in out - @inlineCallbacks def test_parse_items_no_callback_passed(self): - status, out, stderr = yield self.execute( - ["--spider", self.spider_name, self.url("/html")] + _, out, _ = self.proc( + "parse", "--spider", self.spider_name, self.mockserver.url("/html") ) - assert "[{}, {'foo': 'bar'}]" in _textmode(out) + assert "[{}, {'foo': 'bar'}]" in out - @inlineCallbacks def test_wrong_callback_passed(self): - status, out, stderr = yield self.execute( - ["--spider", self.spider_name, "-c", "dummy", self.url("/html")] + _, out, stderr = self.proc( + "parse", + "--spider", + self.spider_name, + "-c", + "dummy", + self.mockserver.url("/html"), ) - assert re.search(r"# Scraped Items -+\n\[\]", _textmode(out)) - assert "Cannot find callback" in _textmode(stderr) + assert re.search(r"# Scraped Items -+\r?\n\[\]", out) + assert "Cannot find callback" in stderr - @inlineCallbacks def test_crawlspider_matching_rule_callback_set(self): """If a rule matches the URL, use it's defined callback.""" - status, out, stderr = yield self.execute( - ["--spider", "goodcrawl" + self.spider_name, "-r", self.url("/html")] + _, out, _ = self.proc( + "parse", + "--spider", + "goodcrawl" + self.spider_name, + "-r", + self.mockserver.url("/html"), ) - assert "[{}, {'foo': 'bar'}]" in _textmode(out) + assert "[{}, {'foo': 'bar'}]" in out - @inlineCallbacks def test_crawlspider_matching_rule_default_callback(self): """If a rule match but it has no callback set, use the 'parse' callback.""" - status, out, stderr = yield self.execute( - ["--spider", "goodcrawl" + self.spider_name, "-r", self.url("/text")] + _, out, _ = self.proc( + "parse", + "--spider", + "goodcrawl" + self.spider_name, + "-r", + self.mockserver.url("/text"), ) - assert "[{}, {'nomatch': 'default'}]" in _textmode(out) + assert "[{}, {'nomatch': 'default'}]" in out - @inlineCallbacks def test_spider_with_no_rules_attribute(self): """Using -r with a spider with no rule should not produce items.""" - status, out, stderr = yield self.execute( - ["--spider", self.spider_name, "-r", self.url("/html")] + _, out, stderr = self.proc( + "parse", "--spider", self.spider_name, "-r", self.mockserver.url("/html") ) - assert re.search(r"# Scraped Items -+\n\[\]", _textmode(out)) - assert "No CrawlSpider rules found" in _textmode(stderr) + assert re.search(r"# Scraped Items -+\r?\n\[\]", out) + assert "No CrawlSpider rules found" in stderr - @inlineCallbacks def test_crawlspider_missing_callback(self): - status, out, stderr = yield self.execute( - ["--spider", "badcrawl" + self.spider_name, "-r", self.url("/html")] + _, out, _ = self.proc( + "parse", + "--spider", + "badcrawl" + self.spider_name, + "-r", + self.mockserver.url("/html"), ) - assert re.search(r"# Scraped Items -+\n\[\]", _textmode(out)) + assert re.search(r"# Scraped Items -+\r?\n\[\]", out) - @inlineCallbacks def test_crawlspider_no_matching_rule(self): """The requested URL has no matching rule, so no items should be scraped""" - status, out, stderr = yield self.execute( - ["--spider", "badcrawl" + self.spider_name, "-r", self.url("/enc-gb18030")] + _, out, stderr = self.proc( + "parse", + "--spider", + "badcrawl" + self.spider_name, + "-r", + self.mockserver.url("/enc-gb18030"), ) - assert re.search(r"# Scraped Items -+\n\[\]", _textmode(out)) - assert "Cannot find a rule that matches" in _textmode(stderr) + assert re.search(r"# Scraped Items -+\r?\n\[\]", out) + assert "Cannot find a rule that matches" in stderr - @inlineCallbacks def test_crawlspider_not_exists_with_not_matched_url(self): - status, out, stderr = yield self.execute([self.url("/invalid_url")]) - assert status == 0 + assert self.call("parse", self.mockserver.url("/invalid_url")) == 0 - @inlineCallbacks def test_output_flag(self): """Checks if a file was created successfully having correct format containing correct data in it. """ file_name = "data.json" file_path = Path(self.proj_path, file_name) - yield self.execute( - [ - "--spider", - self.spider_name, - "-c", - "parse", - "-o", - file_name, - self.url("/html"), - ] + self.proc( + "parse", + "--spider", + self.spider_name, + "-c", + "parse", + "-o", + file_name, + self.mockserver.url("/html"), ) assert file_path.exists() diff --git a/tests/test_command_runspider.py b/tests/test_command_runspider.py index 7f8d9fb61..c1a6d9b18 100644 --- a/tests/test_command_runspider.py +++ b/tests/test_command_runspider.py @@ -7,7 +7,6 @@ from contextlib import contextmanager from pathlib import Path from tempfile import TemporaryDirectory, mkdtemp from typing import TYPE_CHECKING -from unittest import skipIf import pytest @@ -58,7 +57,7 @@ class BadSpider(scrapy.Spider): return self.proc("runspider", fname, *args) def get_log(self, code, name=None, args=()): - p, stdout, stderr = self.runspider(code, name, args=args) + _, _, stderr = self.runspider(code, name, args=args) return stderr def test_runspider(self): @@ -288,7 +287,7 @@ class MySpider(scrapy.Spider): log = self.get_log(spider_code, args=args) assert "[myspider] DEBUG: FEEDS: {'stdout:': {'format': 'json'}}" in log - @skipIf(platform.system() == "Windows", reason="Linux only") + @pytest.mark.skipif(platform.system() == "Windows", reason="Linux only") def test_absolute_path_linux(self): spider_code = """ import scrapy @@ -317,7 +316,7 @@ class MySpider(scrapy.Spider): in log ) - @skipIf(platform.system() != "Windows", reason="Windows only") + @pytest.mark.skipif(platform.system() != "Windows", reason="Windows only") def test_absolute_path_windows(self): spider_code = """ import scrapy @@ -370,18 +369,16 @@ class MySpider(scrapy.Spider): assert "The value of FOO is 42" in log +@pytest.mark.skipif( + platform.system() != "Windows", reason="Windows required for .pyw files" +) class TestWindowsRunSpiderCommand(TestRunSpiderCommand): spider_filename = "myspider.pyw" - def setUp(self): - if platform.system() != "Windows": - pytest.skip("Windows required for .pyw files") - return super().setUp() - def test_start_errors(self): log = self.get_log(self.badspider, name="badspider.pyw") assert "start" in log assert "badspider.pyw" in log def test_runspider_unable_to_load(self): - pytest.skip("Already Tested in 'RunSpiderCommandTest' ") + pytest.skip("Already Tested in 'RunSpiderCommandTest'") diff --git a/tests/test_command_shell.py b/tests/test_command_shell.py index d9f17d76b..76c1eb663 100644 --- a/tests/test_command_shell.py +++ b/tests/test_command_shell.py @@ -5,140 +5,137 @@ from pathlib import Path import pytest from pexpect.popen_spawn import PopenSpawn -from twisted.internet.defer import inlineCallbacks -from twisted.trial import unittest from scrapy.utils.reactor import _asyncio_reactor_path from tests import NON_EXISTING_RESOLVABLE, tests_datadir from tests.mockserver import MockServer -from tests.utils.testproc import ProcessTest -from tests.utils.testsite import SiteTest +from tests.test_commands import TestProjectBase -class TestShellCommand(ProcessTest, SiteTest, unittest.TestCase): - command = "shell" +class TestShellCommand(TestProjectBase): + @classmethod + def setup_class(cls): + cls.mockserver = MockServer() + cls.mockserver.__enter__() + + @classmethod + def teardown_class(cls): + cls.mockserver.__exit__(None, None, None) - @inlineCallbacks def test_empty(self): - _, out, _ = yield self.execute(["-c", "item"]) - assert b"{}" in out + _, out, _ = self.proc("shell", "-c", "item") + assert "{}" in out - @inlineCallbacks def test_response_body(self): - _, out, _ = yield self.execute([self.url("/text"), "-c", "response.body"]) - assert b"Works" in out + _, out, _ = self.proc( + "shell", self.mockserver.url("/text"), "-c", "response.body" + ) + assert "Works" in out - @inlineCallbacks def test_response_type_text(self): - _, out, _ = yield self.execute([self.url("/text"), "-c", "type(response)"]) - assert b"TextResponse" in out + _, out, _ = self.proc( + "shell", self.mockserver.url("/text"), "-c", "type(response)" + ) + assert "TextResponse" in out - @inlineCallbacks def test_response_type_html(self): - _, out, _ = yield self.execute([self.url("/html"), "-c", "type(response)"]) - assert b"HtmlResponse" in out + _, out, _ = self.proc( + "shell", self.mockserver.url("/html"), "-c", "type(response)" + ) + assert "HtmlResponse" in out - @inlineCallbacks def test_response_selector_html(self): xpath = "response.xpath(\"//p[@class='one']/text()\").get()" - _, out, _ = yield self.execute([self.url("/html"), "-c", xpath]) - assert out.strip() == b"Works" + _, out, _ = self.proc("shell", self.mockserver.url("/html"), "-c", xpath) + assert out.strip() == "Works" - @inlineCallbacks def test_response_encoding_gb18030(self): - _, out, _ = yield self.execute( - [self.url("/enc-gb18030"), "-c", "response.encoding"] + _, out, _ = self.proc( + "shell", self.mockserver.url("/enc-gb18030"), "-c", "response.encoding" ) - assert out.strip() == b"gb18030" + assert out.strip() == "gb18030" - @inlineCallbacks def test_redirect(self): - _, out, _ = yield self.execute([self.url("/redirect"), "-c", "response.url"]) - assert out.strip().endswith(b"/redirected") + _, out, _ = self.proc( + "shell", self.mockserver.url("/redirect"), "-c", "response.url" + ) + assert out.strip().endswith("/redirected") - @inlineCallbacks def test_redirect_follow_302(self): - _, out, _ = yield self.execute( - [self.url("/redirect-no-meta-refresh"), "-c", "response.status"] + _, out, _ = self.proc( + "shell", + self.mockserver.url("/redirect-no-meta-refresh"), + "-c", + "response.status", ) - assert out.strip().endswith(b"200") + assert out.strip().endswith("200") - @inlineCallbacks def test_redirect_not_follow_302(self): - _, out, _ = yield self.execute( - [ - "--no-redirect", - self.url("/redirect-no-meta-refresh"), - "-c", - "response.status", - ] + _, out, _ = self.proc( + "shell", + "--no-redirect", + self.mockserver.url("/redirect-no-meta-refresh"), + "-c", + "response.status", ) - assert out.strip().endswith(b"302") + assert out.strip().endswith("302") - @inlineCallbacks def test_fetch_redirect_follow_302(self): """Test that calling ``fetch(url)`` follows HTTP redirects by default.""" - url = self.url("/redirect-no-meta-refresh") + url = self.mockserver.url("/redirect-no-meta-refresh") code = f"fetch('{url}')" - errcode, out, errout = yield self.execute(["-c", code]) - assert errcode == 0, out - assert b"Redirecting (302)" in errout - assert b"Crawled (200)" in errout + p, out, errout = self.proc("shell", "-c", code) + assert p.returncode == 0, out + assert "Redirecting (302)" in errout + assert "Crawled (200)" in errout - @inlineCallbacks def test_fetch_redirect_not_follow_302(self): """Test that calling ``fetch(url, redirect=False)`` disables automatic redirects.""" - url = self.url("/redirect-no-meta-refresh") + url = self.mockserver.url("/redirect-no-meta-refresh") code = f"fetch('{url}', redirect=False)" - errcode, out, errout = yield self.execute(["-c", code]) - assert errcode == 0, out - assert b"Crawled (302)" in errout + p, out, errout = self.proc("shell", "-c", code) + assert p.returncode == 0, out + assert "Crawled (302)" in errout - @inlineCallbacks def test_request_replace(self): - url = self.url("/text") + url = self.mockserver.url("/text") code = f"fetch('{url}') or fetch(response.request.replace(method='POST'))" - errcode, out, _ = yield self.execute(["-c", code]) - assert errcode == 0, out + p, out, _ = self.proc("shell", "-c", code) + assert p.returncode == 0, out - @inlineCallbacks def test_scrapy_import(self): - url = self.url("/text") + url = self.mockserver.url("/text") code = f"fetch(scrapy.Request('{url}'))" - errcode, out, _ = yield self.execute(["-c", code]) - assert errcode == 0, out + p, out, _ = self.proc("shell", "-c", code) + assert p.returncode == 0, out - @inlineCallbacks def test_local_file(self): filepath = Path(tests_datadir, "test_site", "index.html") - _, out, _ = yield self.execute([str(filepath), "-c", "item"]) - assert b"{}" in out + _, out, _ = self.proc("shell", str(filepath), "-c", "item") + assert "{}" in out - @inlineCallbacks def test_local_nofile(self): filepath = "file:///tests/sample_data/test_site/nothinghere.html" - errcode, out, err = yield self.execute( - [filepath, "-c", "item"], check_code=False - ) - assert errcode == 1, out or err - assert b"No such file or directory" in err + p, out, err = self.proc("shell", filepath, "-c", "item") + assert p.returncode == 1, out or err + assert "No such file or directory" in err - @inlineCallbacks def test_dns_failures(self): if NON_EXISTING_RESOLVABLE: pytest.skip("Non-existing hosts are resolvable") url = "www.somedomainthatdoesntexi.st" - errcode, out, err = yield self.execute([url, "-c", "item"], check_code=False) - assert errcode == 1, out or err - assert b"DNS lookup failed" in err + p, out, err = self.proc("shell", url, "-c", "item") + assert p.returncode == 1, out or err + assert "DNS lookup failed" in err - @inlineCallbacks def test_shell_fetch_async(self): - url = self.url("/html") + url = self.mockserver.url("/html") code = f"fetch('{url}')" - args = ["-c", code, "--set", f"TWISTED_REACTOR={_asyncio_reactor_path}"] - _, _, err = yield self.execute(args, check_code=True) - assert b"RuntimeError: There is no current event loop in thread" not in err + p, _, err = self.proc( + "shell", "-c", code, "--set", f"TWISTED_REACTOR={_asyncio_reactor_path}" + ) + assert p.returncode == 0, err + assert "RuntimeError: There is no current event loop in thread" not in err class TestInteractiveShell: diff --git a/tests/test_command_startproject.py b/tests/test_command_startproject.py index 08bf9b0fd..988ad50b9 100644 --- a/tests/test_command_startproject.py +++ b/tests/test_command_startproject.py @@ -108,8 +108,8 @@ def get_permissions_dict( class TestStartprojectTemplates(TestProjectBase): maxDiff = None - def setUp(self): - super().setUp() + def setup_method(self): + super().setup_method() self.tmpl = str(Path(self.temp_path, "templates")) self.tmpl_proj = str(Path(self.tmpl, "project")) diff --git a/tests/test_command_version.py b/tests/test_command_version.py index 87dfb16df..de58203fc 100644 --- a/tests/test_command_version.py +++ b/tests/test_command_version.py @@ -1,29 +1,15 @@ -import sys - -from twisted.internet.defer import inlineCallbacks -from twisted.trial import unittest - import scrapy -from tests.utils.testproc import ProcessTest +from tests.test_commands import TestProjectBase -class TestVersionCommand(ProcessTest, unittest.TestCase): - command = "version" - - @inlineCallbacks +class TestVersionCommand(TestProjectBase): def test_output(self): - encoding = sys.stdout.encoding or "utf-8" - _, out, _ = yield self.execute([]) - assert out.strip().decode(encoding) == f"Scrapy {scrapy.__version__}" + _, out, _ = self.proc("version") + assert out.strip() == f"Scrapy {scrapy.__version__}" - @inlineCallbacks def test_verbose_output(self): - encoding = sys.stdout.encoding or "utf-8" - _, out, _ = yield self.execute(["-v"]) - headers = [ - line.partition(":")[0].strip() - for line in out.strip().decode(encoding).splitlines() - ] + _, out, _ = self.proc("version", "-v") + headers = [line.partition(":")[0].strip() for line in out.strip().splitlines()] assert headers == [ "Scrapy", "lxml", diff --git a/tests/test_commands.py b/tests/test_commands.py index 8ca5d51e5..851c92db4 100644 --- a/tests/test_commands.py +++ b/tests/test_commands.py @@ -10,11 +10,9 @@ from pathlib import Path from shutil import rmtree from tempfile import TemporaryFile, mkdtemp from threading import Timer -from typing import TYPE_CHECKING +from typing import TYPE_CHECKING, Any from unittest import mock -from twisted.trial import unittest - import scrapy from scrapy.cmdline import _pop_command_name, _print_unknown_command_msg from scrapy.commands import ScrapyCommand, ScrapyHelpFormatter, view @@ -61,28 +59,30 @@ class TestCommandSettings: ) -class TestProjectBase(unittest.TestCase): +class TestProjectBase: project_name = "testproject" - def setUp(self): + def setup_method(self): self.temp_path = mkdtemp() self.cwd = self.temp_path self.proj_path = Path(self.temp_path, self.project_name) self.proj_mod_path = self.proj_path / self.project_name self.env = get_testenv() - def tearDown(self): + def teardown_method(self): rmtree(self.temp_path) - def call(self, *new_args, **kwargs): + def call(self, *args: str, **popen_kwargs: Any) -> int: with TemporaryFile() as out: - args = (sys.executable, "-m", "scrapy.cmdline", *new_args) + args = (sys.executable, "-m", "scrapy.cmdline", *args) return subprocess.call( - args, stdout=out, stderr=out, cwd=self.cwd, env=self.env, **kwargs + args, stdout=out, stderr=out, cwd=self.cwd, env=self.env, **popen_kwargs ) - def proc(self, *new_args, **popen_kwargs): - args = (sys.executable, "-m", "scrapy.cmdline", *new_args) + def proc( + self, *args: str, **popen_kwargs: Any + ) -> tuple[subprocess.Popen[bytes], str, str]: + args = (sys.executable, "-m", "scrapy.cmdline", *args) p = subprocess.Popen( args, cwd=popen_kwargs.pop("cwd", self.cwd), @@ -118,10 +118,10 @@ class TestProjectBase(unittest.TestCase): class TestCommandBase(TestProjectBase): - def setUp(self): - super().setUp() + def setup_method(self): + super().setup_method() self.call("startproject", self.project_name) - self.cwd = Path(self.temp_path, self.project_name) + self.cwd = self.proj_path self.env["SCRAPY_SETTINGS_MODULE"] = f"{self.project_name}.settings" @@ -136,8 +136,8 @@ class TestCommandCrawlerProcess(TestCommandBase): "Type of self.crawler_process: " ) - def setUp(self): - super().setUp() + def setup_method(self): + super().setup_method() (self.cwd / self.project_name / "commands").mkdir(exist_ok=True) (self.cwd / self.project_name / "commands" / "__init__.py").touch() (self.cwd / self.project_name / "commands" / f"{self.name}.py").write_text(""" @@ -363,6 +363,19 @@ Unknown command: abc assert out.getvalue().strip() == message.strip() +class TestProjectSubdir(TestProjectBase): + """Test that commands work in a subdirectory of the project.""" + + def setup_method(self): + super().setup_method() + self.call("startproject", self.project_name) + self.cwd = self.proj_path / "subdir" + self.cwd.mkdir(exist_ok=True) + + def test_list(self): + assert self.call("list") == 0 + + class TestBenchCommand(TestCommandBase): def test_run(self): _, _, log = self.proc( @@ -389,8 +402,8 @@ class TestViewCommand(TestCommandBase): class TestHelpMessage(TestCommandBase): - def setUp(self): - super().setUp() + def setup_method(self): + super().setup_method() self.commands = [ "parse", "startproject", diff --git a/tests/utils/testproc.py b/tests/utils/testproc.py deleted file mode 100644 index 85d7c940f..000000000 --- a/tests/utils/testproc.py +++ /dev/null @@ -1,67 +0,0 @@ -from __future__ import annotations - -import os -import sys -from typing import TYPE_CHECKING, cast - -from twisted.internet.defer import Deferred -from twisted.internet.error import ProcessTerminated -from twisted.internet.protocol import ProcessProtocol - -if TYPE_CHECKING: - from collections.abc import Iterable - - from twisted.python.failure import Failure - - -class ProcessTest: - command: str | None = None - prefix = [sys.executable, "-m", "scrapy.cmdline"] - cwd = os.getcwd() # trial chdirs to temp dir # noqa: PTH109 - - def execute( - self, - args: Iterable[str], - check_code: bool = True, - settings: str | None = None, - ) -> Deferred[TestProcessProtocol]: - from twisted.internet import reactor - - env = os.environ.copy() - if settings is not None: - env["SCRAPY_SETTINGS_MODULE"] = settings - assert self.command - cmd = [*self.prefix, self.command, *args] - pp = TestProcessProtocol() - pp.deferred.addCallback(self._process_finished, cmd, check_code) - reactor.spawnProcess(pp, cmd[0], cmd, env=env, path=self.cwd) - return pp.deferred - - def _process_finished( - self, pp: TestProcessProtocol, cmd: list[str], check_code: bool - ) -> tuple[int, bytes, bytes]: - if pp.exitcode and check_code: - msg = f"process {cmd} exit with code {pp.exitcode}" - msg += f"\n>>> stdout <<<\n{pp.out.decode()}" - msg += "\n" - msg += f"\n>>> stderr <<<\n{pp.err.decode()}" - raise RuntimeError(msg) - return cast(int, pp.exitcode), pp.out, pp.err - - -class TestProcessProtocol(ProcessProtocol): - def __init__(self) -> None: - self.deferred: Deferred[TestProcessProtocol] = Deferred() - self.out: bytes = b"" - self.err: bytes = b"" - self.exitcode: int | None = None - - def outReceived(self, data: bytes) -> None: - self.out += data - - def errReceived(self, data: bytes) -> None: - self.err += data - - def processEnded(self, status: Failure) -> None: - self.exitcode = cast(ProcessTerminated, status.value).exitCode - self.deferred.callback(self) diff --git a/tests/utils/testsite.py b/tests/utils/testsite.py deleted file mode 100644 index 473738773..000000000 --- a/tests/utils/testsite.py +++ /dev/null @@ -1,47 +0,0 @@ -from urllib.parse import urljoin - -from twisted.web import resource, server, static, util - - -class SiteTest: - def setUp(self): - from twisted.internet import reactor - - super().setUp() - self.site = reactor.listenTCP(0, test_site(), interface="127.0.0.1") - self.baseurl = f"http://localhost:{self.site.getHost().port}/" - - def tearDown(self): - super().tearDown() - self.site.stopListening() - - def url(self, path: str) -> str: - return urljoin(self.baseurl, path) - - -class NoMetaRefreshRedirect(util.Redirect): - def render(self, request: server.Request) -> bytes: - content = util.Redirect.render(self, request) - return content.replace( - b'http-equiv="refresh"', b'http-no-equiv="do-not-refresh-me"' - ) - - -def test_site(): - r = resource.Resource() - r.putChild(b"text", static.Data(b"Works", "text/plain")) - r.putChild( - b"html", - static.Data( - b"

Works

World

", - "text/html", - ), - ) - r.putChild( - b"enc-gb18030", - static.Data(b"

gb18030 encoding

", "text/html; charset=gb18030"), - ) - r.putChild(b"redirect", util.Redirect(b"/redirected")) - r.putChild(b"redirect-no-meta-refresh", NoMetaRefreshRedirect(b"/redirected")) - r.putChild(b"redirected", static.Data(b"Redirected here", "text/plain")) - return server.Site(r) diff --git a/tox.ini b/tox.ini index 5680d98d1..f28467ec1 100644 --- a/tox.ini +++ b/tox.ini @@ -19,7 +19,6 @@ deps = pytest-xdist sybil >= 1.3.0 # https://github.com/cjw296/sybil/issues/20#issuecomment-605433422 testfixtures - pywin32; sys_platform == "win32" Twisted < 25.5.0 # https://github.com/twisted/twisted/issues/12467 [testenv] From daa1a7d0b6549f901a002bf4c8bb7c4aed23e068 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Sat, 14 Jun 2025 14:01:20 +0500 Subject: [PATCH 517/786] Remove the chdir fixture, re-enable fancy pytest asserts (#6888) * Remove the chdir fixture. * Re-enable fancy pytest asserts. * Remove doc files from pytest ignores. * Restore docs/_ext in test collection ignores. * Skip a doctest that fails on Windows. * Fix tests that were writing to the current dir. --- conftest.py | 8 +--- docs/news.rst | 4 ++ docs/topics/dynamic-content.rst | 9 +++++ docs/topics/items.rst | 4 ++ docs/topics/leaks.rst | 7 ++++ docs/topics/loaders.rst | 13 ++++++ docs/topics/selectors.rst | 3 +- docs/topics/shell.rst | 8 ++++ docs/topics/stats.rst | 4 ++ docs/topics/telnetconsole.rst | 4 ++ pyproject.toml | 16 -------- tests/test_feedexport.py | 32 ++++++++------- tests/test_pipeline_files.py | 11 +++--- tests/test_squeues_request.py | 70 ++++++++++++++------------------- 14 files changed, 110 insertions(+), 83 deletions(-) diff --git a/conftest.py b/conftest.py index ed7d14166..f952127b9 100644 --- a/conftest.py +++ b/conftest.py @@ -12,6 +12,8 @@ def _py_files(folder): collect_ignore = [ + # may need extra deps + "docs/_ext", # not a test, but looks like a test "scrapy/utils/testproc.py", "scrapy/utils/testsite.py", @@ -46,12 +48,6 @@ if not H2_ENABLED: ) -@pytest.fixture -def chdir(tmpdir): - """Change to pytest-provided temporary directory""" - tmpdir.chdir() - - def pytest_addoption(parser): parser.addoption( "--reactor", diff --git a/docs/news.rst b/docs/news.rst index 36d229760..05ad611ef 100644 --- a/docs/news.rst +++ b/docs/news.rst @@ -4454,6 +4454,8 @@ Highlights: Backward-incompatible changes ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.. skip: start + * Python 3.4 is no longer supported, and some of the minimum requirements of Scrapy have also changed: @@ -4494,6 +4496,8 @@ Backward-incompatible changes (:issue:`3804`, :issue:`3819`, :issue:`3897`, :issue:`3976`, :issue:`3998`, :issue:`4036`) +.. skip: end + See also :ref:`1.8-deprecation-removals` below. diff --git a/docs/topics/dynamic-content.rst b/docs/topics/dynamic-content.rst index 65270433f..6c57a88f1 100644 --- a/docs/topics/dynamic-content.rst +++ b/docs/topics/dynamic-content.rst @@ -111,6 +111,8 @@ you may use `curl2scrapy `_. Handling different response formats =================================== +.. skip: start + Once you have a response with the desired data, how you extract the desired data from it depends on the type of response: @@ -157,11 +159,15 @@ data from it depends on the type of response: Otherwise, you might need to convert the SVG code into a raster image, and :ref:`handle that raster image `. +.. skip: end + .. _topics-parsing-javascript: Parsing JavaScript code ======================= +.. skip: start + If the desired data is hardcoded in JavaScript, you first need to get the JavaScript code: @@ -220,6 +226,8 @@ data from it: >>> selector.css('var[name="data"]').get() 'value' +.. skip: end + .. _topics-headless-browsing: Using a headless browser @@ -242,6 +250,7 @@ it is possible to integrate ``asyncio``-based libraries which handle headless br One such library is `playwright-python`_ (an official Python port of `playwright`_). The following is a simple snippet to illustrate its usage within a Scrapy spider: +.. skip: next .. code-block:: python import scrapy diff --git a/docs/topics/items.rst b/docs/topics/items.rst index 0365c95b3..3588d033e 100644 --- a/docs/topics/items.rst +++ b/docs/topics/items.rst @@ -214,6 +214,8 @@ the :attr:`~scrapy.Item.fields` attribute. Working with Item objects ------------------------- +.. skip: start + Here are some examples of common tasks performed with items, using the ``Product`` item :ref:`declared above `. You will notice the API is very similar to the :class:`dict` API. @@ -375,6 +377,8 @@ appending more values, or changing existing values, like this: That adds (or replaces) the ``serializer`` metadata key for the ``name`` field, keeping all the previously existing metadata values. +.. skip: end + .. _supporting-item-types: diff --git a/docs/topics/leaks.rst b/docs/topics/leaks.rst index cd8914644..bbe1f3dd4 100644 --- a/docs/topics/leaks.rst +++ b/docs/topics/leaks.rst @@ -60,6 +60,8 @@ in control. Debugging memory leaks with ``trackref`` ======================================== +.. skip: start + :mod:`trackref` is a module provided by Scrapy to debug the most common cases of memory leaks. It basically tracks the references to all live Request, Response, Item, Spider and Selector objects. @@ -203,6 +205,8 @@ Here are the functions available in the :mod:`~scrapy.utils.trackref` module. ``None`` if none is found. Use :func:`print_live_refs` first to get a list of all tracked live objects per class name. +.. skip: end + .. _topics-leaks-muppy: Debugging memory leaks with muppy @@ -226,6 +230,7 @@ If you use ``pip``, you can install muppy with the following command:: Here's an example to view all Python objects available in the heap using muppy: +.. skip: start .. code-block:: pycon >>> from pympler import muppy @@ -253,6 +258,8 @@ the heap using muppy: `, using the :ref:`Product item ` declared in the :ref:`Items chapter `: +.. skip: next .. code-block:: python from scrapy.loader import ItemLoader @@ -130,6 +131,7 @@ assigned to the item. Let's see an example to illustrate how the input and output processors are called for a particular field (the same applies for any other field): +.. skip: next .. code-block:: python l = ItemLoader(Product(), some_selector) @@ -250,6 +252,7 @@ metadata. Here is an example: ) +.. skip: start .. code-block:: pycon >>> from scrapy.loader import ItemLoader @@ -259,6 +262,8 @@ metadata. Here is an example: >>> il.load_item() {'name': 'Welcome to my website', 'price': '1000'} +.. skip: end + The precedence order, for both input and output processors, is as follows: 1. Item Loader field-specific attributes: ``field_in`` and ``field_out`` (most @@ -294,6 +299,8 @@ the Item Loader that it's able to receive an Item Loader context, so the Item Loader passes the currently active context when calling it, and the processor function (``parse_length`` in this case) can thus use them. +.. skip: start + There are several ways to modify Item Loader context values: 1. By modifying the currently active Item Loader context @@ -320,6 +327,8 @@ There are several ways to modify Item Loader context values: class ProductLoader(ItemLoader): length_out = MapCompose(parse_length, unit="cm") +.. skip: end + ItemLoader objects ================== @@ -350,6 +359,7 @@ that you wish to extract. Example: +.. skip: next .. code-block:: python loader = ItemLoader(item=Item()) @@ -364,6 +374,7 @@ the footer selector. Example: +.. skip: next .. code-block:: python loader = ItemLoader(item=Item()) @@ -401,6 +412,7 @@ those dashes in the final product names. Here's how you can remove those dashes by reusing and extending the default Product Item Loader (``ProductLoader``): +.. skip: next .. code-block:: python from itemloaders.processors import MapCompose @@ -418,6 +430,7 @@ Another case where extending Item Loaders can be very helpful is when you have multiple source formats, for example XML and HTML. In the XML version you may want to remove ``CDATA`` occurrences. Here's an example of how to do it: +.. skip: next .. code-block:: python from itemloaders.processors import MapCompose diff --git a/docs/topics/selectors.rst b/docs/topics/selectors.rst index dbef07b73..40a85201a 100644 --- a/docs/topics/selectors.rst +++ b/docs/topics/selectors.rst @@ -308,6 +308,7 @@ Examples: * ``*::text`` selects all descendant text nodes of the current selector context: +..skip: next .. code-block:: pycon >>> response.css("#images *::text").getall() @@ -878,7 +879,7 @@ Example selecting links in list item with a "class" attribute ending with a digi >>> sel = Selector(text=doc, type="html") >>> sel.xpath("//li//@href").getall() ['link1.html', 'link2.html', 'link3.html', 'link4.html', 'link5.html'] - >>> sel.xpath('//li[re:test(@class, "item-\d$")]//@href').getall() + >>> sel.xpath(r'//li[re:test(@class, "item-\d$")]//@href').getall() ['link1.html', 'link2.html', 'link4.html', 'link5.html'] .. warning:: C library ``libxslt`` doesn't natively support EXSLT regular diff --git a/docs/topics/shell.rst b/docs/topics/shell.rst index 4898843e4..85a08cebd 100644 --- a/docs/topics/shell.rst +++ b/docs/topics/shell.rst @@ -142,6 +142,8 @@ Those objects are: Example of shell session ======================== +.. skip: start + Here's an example of a typical shell session where we start by scraping the https://scrapy.org page, and then proceed to scrape the https://old.reddit.com/ page. Finally, we modify the (Reddit) request method to POST and re-fetch it @@ -232,6 +234,8 @@ After that, we can start playing with the objects: 'X-Ua-Compatible': ['IE=edge'], 'X-Xss-Protection': ['1; mode=block']} +.. skip: end + .. _topics-shell-inspect-response: @@ -268,6 +272,8 @@ Here's an example of how you would call it from your spider: # Rest of parsing code. +.. skip: start + When you run the spider, you will get something similar to this:: 2014-01-23 17:48:31-0400 [scrapy.core.engine] DEBUG: Crawled (200) (referer: None) @@ -301,6 +307,8 @@ crawling:: 2014-01-23 17:50:03-0400 [scrapy.core.engine] DEBUG: Crawled (200) (referer: None) ... +.. skip: end + Note that you can't use the ``fetch`` shortcut here since the Scrapy engine is blocked by the shell. However, after you leave the shell, the spider will continue crawling where it stopped, as shown above. diff --git a/docs/topics/stats.rst b/docs/topics/stats.rst index 9572a3785..e34999b58 100644 --- a/docs/topics/stats.rst +++ b/docs/topics/stats.rst @@ -42,6 +42,8 @@ attribute. Here is an example of an extension that access stats: def from_crawler(cls, crawler): return cls(crawler.stats) +.. skip: start + Set stat value: .. code-block:: python @@ -80,6 +82,8 @@ Get all stats: >>> stats.get_stats() {'custom_count': 1, 'start_time': datetime.datetime(2009, 7, 14, 21, 47, 28, 977139)} +.. skip: end + Available Stats Collectors ========================== diff --git a/docs/topics/telnetconsole.rst b/docs/topics/telnetconsole.rst index 3e9bbe56e..ae9cb634c 100644 --- a/docs/topics/telnetconsole.rst +++ b/docs/topics/telnetconsole.rst @@ -97,6 +97,8 @@ convenience: Telnet console usage examples ============================= +.. skip: start + Here are some example tasks you can do with the telnet console: View engine status @@ -146,6 +148,8 @@ To stop:: >>> engine.stop() Connection closed by foreign host. +.. skip: end + Telnet Console signals ====================== diff --git a/pyproject.toml b/pyproject.toml index 0742991db..bc809a7b1 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -224,23 +224,7 @@ disable = [ [tool.pytest.ini_options] xfail_strict = true -usefixtures = "chdir" python_files = ["test_*.py", "test_*/__init__.py"] -addopts = [ - "--assert=plain", - "--ignore=docs/_ext", - "--ignore=docs/conf.py", - "--ignore=docs/news.rst", - "--ignore=docs/topics/dynamic-content.rst", - "--ignore=docs/topics/items.rst", - "--ignore=docs/topics/leaks.rst", - "--ignore=docs/topics/loaders.rst", - "--ignore=docs/topics/selectors.rst", - "--ignore=docs/topics/shell.rst", - "--ignore=docs/topics/stats.rst", - "--ignore=docs/topics/telnetconsole.rst", - "--ignore=docs/utils", -] markers = [ "only_asyncio: marks tests as only enabled when --reactor=asyncio is passed", "only_not_asyncio: marks tests as only enabled when --reactor=asyncio is not passed", diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py index 01797fd20..f8f3eb22a 100644 --- a/tests/test_feedexport.py +++ b/tests/test_feedexport.py @@ -5,6 +5,7 @@ import csv import gzip import json import lzma +import os import random import shutil import string @@ -107,8 +108,13 @@ class TestFileFeedStorage: self._assert_stores(FileFeedStorage(str(path)), path) def test_store_direct_path_relative(self, tmp_path): - path = (tmp_path / "foo" / "bar").relative_to(Path.cwd()) - self._assert_stores(FileFeedStorage(str(path)), path) + old_cwd = Path.cwd() + try: + os.chdir(tmp_path) + path = Path("foo", "bar") + self._assert_stores(FileFeedStorage(str(path)), path) + finally: + os.chdir(old_cwd) def test_interface(self, tmp_path): path = tmp_path / "file.txt" @@ -236,24 +242,22 @@ class TestBlockingFeedStorage: def test_default_temp_dir(self): b = BlockingFeedStorage() - tmp = b.open(self.get_test_spider()) - tmp_path = Path(tmp.name).parent - assert str(tmp_path) == tempfile.gettempdir() + storage_file = b.open(self.get_test_spider()) + storage_dir = Path(storage_file.name).parent + assert str(storage_dir) == tempfile.gettempdir() - def test_temp_file(self): + def test_temp_file(self, tmp_path): b = BlockingFeedStorage() - tests_path = Path(__file__).resolve().parent - spider = self.get_test_spider({"FEED_TEMPDIR": str(tests_path)}) - tmp = b.open(spider) - tmp_path = Path(tmp.name).parent - assert tmp_path == tests_path + spider = self.get_test_spider({"FEED_TEMPDIR": str(tmp_path)}) + storage_file = b.open(spider) + storage_dir = Path(storage_file.name).parent + assert storage_dir == tmp_path - def test_invalid_folder(self): + def test_invalid_folder(self, tmp_path): b = BlockingFeedStorage() - tests_path = Path(__file__).resolve().parent - invalid_path = tests_path / "invalid_path" + invalid_path = tmp_path / "invalid_path" spider = self.get_test_spider({"FEED_TEMPDIR": str(invalid_path)}) with pytest.raises(OSError, match="Not a Directory:"): diff --git a/tests/test_pipeline_files.py b/tests/test_pipeline_files.py index b4eae108f..808fde23d 100644 --- a/tests/test_pipeline_files.py +++ b/tests/test_pipeline_files.py @@ -524,21 +524,20 @@ class TestFilesPipelineCustomSettings: expected_value = settings.get(settings_attr) assert getattr(pipeline_cls, pipe_inst_attr) == expected_value - def test_file_pipeline_using_pathlike_objects(self): + def test_file_pipeline_using_pathlike_objects(self, tmp_path): class CustomFilesPipelineWithPathLikeDir(FilesPipeline): def file_path(self, request, response=None, info=None, *, item=None): return Path("subdir") / Path(request.url).name pipeline = CustomFilesPipelineWithPathLikeDir.from_crawler( - get_crawler(None, {"FILES_STORE": Path("./Temp")}) + get_crawler(None, {"FILES_STORE": tmp_path}) ) request = Request("http://example.com/image01.jpg") assert pipeline.file_path(request) == Path("subdir/image01.jpg") - def test_files_store_constructor_with_pathlike_object(self): - path = Path("./FileDir") - fs_store = FSFilesStore(path) - assert fs_store.basedir == str(path) + def test_files_store_constructor_with_pathlike_object(self, tmp_path): + fs_store = FSFilesStore(tmp_path) + assert fs_store.basedir == str(tmp_path) @pytest.mark.requires_botocore diff --git a/tests/test_squeues_request.py b/tests/test_squeues_request.py index 68bd6df68..8353ad73c 100644 --- a/tests/test_squeues_request.py +++ b/tests/test_squeues_request.py @@ -2,8 +2,7 @@ Queues that handle requests """ -import shutil -import tempfile +from pathlib import Path import pytest import queuelib @@ -23,30 +22,17 @@ from scrapy.utils.test import get_crawler class TestBaseQueue: def setup_method(self): - self.tmpdir = tempfile.mkdtemp(prefix="scrapy-queue-tests-") - self.qpath = self.tempfilename() - self.qdir = tempfile.mkdtemp() self.crawler = get_crawler(Spider) - def teardown_method(self): - shutil.rmtree(self.tmpdir) - - def tempfilename(self): - with tempfile.NamedTemporaryFile(dir=self.tmpdir) as nf: - return nf.name - - def mkdtemp(self): - return tempfile.mkdtemp(dir=self.tmpdir) - class RequestQueueTestMixin: - def queue(self): + def queue(self, base_path: Path): raise NotImplementedError - def test_one_element_with_peek(self): + def test_one_element_with_peek(self, tmp_path): if not hasattr(queuelib.queue.FifoMemoryQueue, "peek"): pytest.skip("The queuelib queues do not define peek") - q = self.queue() + q = self.queue(tmp_path) assert len(q) == 0 assert q.peek() is None assert q.pop() is None @@ -60,10 +46,10 @@ class RequestQueueTestMixin: assert q.pop() is None q.close() - def test_one_element_without_peek(self): + def test_one_element_without_peek(self, tmp_path): if hasattr(queuelib.queue.FifoMemoryQueue, "peek"): pytest.skip("The queuelib queues define peek") - q = self.queue() + q = self.queue(tmp_path) assert len(q) == 0 assert q.pop() is None req = Request("http://www.example.com") @@ -81,10 +67,10 @@ class RequestQueueTestMixin: class FifoQueueMixin(RequestQueueTestMixin): - def test_fifo_with_peek(self): + def test_fifo_with_peek(self, tmp_path): if not hasattr(queuelib.queue.FifoMemoryQueue, "peek"): pytest.skip("The queuelib queues do not define peek") - q = self.queue() + q = self.queue(tmp_path) assert len(q) == 0 assert q.peek() is None assert q.pop() is None @@ -108,10 +94,10 @@ class FifoQueueMixin(RequestQueueTestMixin): assert q.pop() is None q.close() - def test_fifo_without_peek(self): + def test_fifo_without_peek(self, tmp_path): if hasattr(queuelib.queue.FifoMemoryQueue, "peek"): - pytest.skip("The queuelib queues do not define peek") - q = self.queue() + pytest.skip("The queuelib queues define peek") + q = self.queue(tmp_path) assert len(q) == 0 assert q.pop() is None req1 = Request("http://www.example.com/1") @@ -137,10 +123,10 @@ class FifoQueueMixin(RequestQueueTestMixin): class LifoQueueMixin(RequestQueueTestMixin): - def test_lifo_with_peek(self): + def test_lifo_with_peek(self, tmp_path): if not hasattr(queuelib.queue.FifoMemoryQueue, "peek"): pytest.skip("The queuelib queues do not define peek") - q = self.queue() + q = self.queue(tmp_path) assert len(q) == 0 assert q.peek() is None assert q.pop() is None @@ -164,10 +150,10 @@ class LifoQueueMixin(RequestQueueTestMixin): assert q.pop() is None q.close() - def test_lifo_without_peek(self): + def test_lifo_without_peek(self, tmp_path): if hasattr(queuelib.queue.FifoMemoryQueue, "peek"): - pytest.skip("The queuelib queues do not define peek") - q = self.queue() + pytest.skip("The queuelib queues define peek") + q = self.queue(tmp_path) assert len(q) == 0 assert q.pop() is None req1 = Request("http://www.example.com/1") @@ -193,34 +179,38 @@ class LifoQueueMixin(RequestQueueTestMixin): class TestPickleFifoDiskQueueRequest(FifoQueueMixin, TestBaseQueue): - def queue(self): - return PickleFifoDiskQueue.from_crawler(crawler=self.crawler, key="pickle/fifo") + def queue(self, base_path): + return PickleFifoDiskQueue.from_crawler( + crawler=self.crawler, key=str(base_path / "pickle" / "fifo") + ) class TestPickleLifoDiskQueueRequest(LifoQueueMixin, TestBaseQueue): - def queue(self): - return PickleLifoDiskQueue.from_crawler(crawler=self.crawler, key="pickle/lifo") + def queue(self, base_path): + return PickleLifoDiskQueue.from_crawler( + crawler=self.crawler, key=str(base_path / "pickle" / "lifo") + ) class TestMarshalFifoDiskQueueRequest(FifoQueueMixin, TestBaseQueue): - def queue(self): + def queue(self, base_path): return MarshalFifoDiskQueue.from_crawler( - crawler=self.crawler, key="marshal/fifo" + crawler=self.crawler, key=str(base_path / "marshal" / "fifo") ) class TestMarshalLifoDiskQueueRequest(LifoQueueMixin, TestBaseQueue): - def queue(self): + def queue(self, base_path): return MarshalLifoDiskQueue.from_crawler( - crawler=self.crawler, key="marshal/lifo" + crawler=self.crawler, key=str(base_path / "marshal" / "lifo") ) class TestFifoMemoryQueueRequest(FifoQueueMixin, TestBaseQueue): - def queue(self): + def queue(self, base_path): return FifoMemoryQueue.from_crawler(crawler=self.crawler) class TestLifoMemoryQueueRequest(LifoQueueMixin, TestBaseQueue): - def queue(self): + def queue(self, base_path): return LifoMemoryQueue.from_crawler(crawler=self.crawler) From 85aeda365db01939f70d0888593e7808380c8514 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Adri=C3=A1n=20Chaves?= Date: Mon, 16 Jun 2025 09:28:06 +0200 Subject: [PATCH 518/786] Clean up setting getter defaults (#6892) --- scrapy/core/downloader/__init__.py | 2 +- scrapy/downloadermiddlewares/ajaxcrawl.py | 2 +- scrapy/downloadermiddlewares/robotstxt.py | 6 ++---- scrapy/extensions/feedexport.py | 2 +- scrapy/extensions/periodic_log.py | 2 +- scrapy/settings/default_settings.py | 4 ++++ scrapy/spiders/crawl.py | 4 +--- 7 files changed, 11 insertions(+), 11 deletions(-) diff --git a/scrapy/core/downloader/__init__.py b/scrapy/core/downloader/__init__.py index 9293d7b78..4b5654826 100644 --- a/scrapy/core/downloader/__init__.py +++ b/scrapy/core/downloader/__init__.py @@ -124,7 +124,7 @@ class Downloader: ) self._slot_gc_loop.start(60) self.per_slot_settings: dict[str, dict[str, Any]] = self.settings.getdict( - "DOWNLOAD_SLOTS", {} + "DOWNLOAD_SLOTS" ) @inlineCallbacks diff --git a/scrapy/downloadermiddlewares/ajaxcrawl.py b/scrapy/downloadermiddlewares/ajaxcrawl.py index e7a8962a1..a23deaa45 100644 --- a/scrapy/downloadermiddlewares/ajaxcrawl.py +++ b/scrapy/downloadermiddlewares/ajaxcrawl.py @@ -43,7 +43,7 @@ class AjaxCrawlMiddleware: # middleware parses first 4k. 4k turns out to be insufficient # for this middleware, and parsing 100k could be slow. # We use something in between (32K) by default. - self.lookup_bytes: int = settings.getint("AJAXCRAWL_MAXSIZE", 32768) + self.lookup_bytes: int = settings.getint("AJAXCRAWL_MAXSIZE") @classmethod def from_crawler(cls, crawler: Crawler) -> Self: diff --git a/scrapy/downloadermiddlewares/robotstxt.py b/scrapy/downloadermiddlewares/robotstxt.py index aba455bdd..fbd737970 100644 --- a/scrapy/downloadermiddlewares/robotstxt.py +++ b/scrapy/downloadermiddlewares/robotstxt.py @@ -38,10 +38,8 @@ class RobotsTxtMiddleware: def __init__(self, crawler: Crawler): if not crawler.settings.getbool("ROBOTSTXT_OBEY"): raise NotConfigured - self._default_useragent: str = crawler.settings.get("USER_AGENT", "Scrapy") - self._robotstxt_useragent: str | None = crawler.settings.get( - "ROBOTSTXT_USER_AGENT", None - ) + self._default_useragent: str = crawler.settings["USER_AGENT"] + self._robotstxt_useragent: str | None = crawler.settings["ROBOTSTXT_USER_AGENT"] self.crawler: Crawler = crawler self._parsers: dict[str, RobotParser | Deferred[RobotParser | None] | None] = {} self._parserimpl: RobotParser = load_object( diff --git a/scrapy/extensions/feedexport.py b/scrapy/extensions/feedexport.py index c39a9c92e..d9e9ea775 100644 --- a/scrapy/extensions/feedexport.py +++ b/scrapy/extensions/feedexport.py @@ -479,7 +479,7 @@ class FeedExporter: uri = self.settings["FEED_URI"] # handle pathlib.Path objects uri = str(uri) if not isinstance(uri, Path) else uri.absolute().as_uri() - feed_options = {"format": self.settings.get("FEED_FORMAT", "jsonlines")} + feed_options = {"format": self.settings["FEED_FORMAT"]} self.feeds[uri] = feed_complete_default_values_from_settings( feed_options, self.settings ) diff --git a/scrapy/extensions/periodic_log.py b/scrapy/extensions/periodic_log.py index 9158482fa..98210990a 100644 --- a/scrapy/extensions/periodic_log.py +++ b/scrapy/extensions/periodic_log.py @@ -78,7 +78,7 @@ class PeriodicLog: ) ext_timing_enabled: bool = crawler.settings.getbool( - "PERIODIC_LOG_TIMING_ENABLED", False + "PERIODIC_LOG_TIMING_ENABLED" ) if not (ext_stats or ext_delta or ext_timing_enabled): raise NotConfigured diff --git a/scrapy/settings/default_settings.py b/scrapy/settings/default_settings.py index 7cd470f11..b6f47f1c3 100644 --- a/scrapy/settings/default_settings.py +++ b/scrapy/settings/default_settings.py @@ -20,6 +20,7 @@ from pathlib import Path ADDONS = {} AJAXCRAWL_ENABLED = False +AJAXCRAWL_MAXSIZE = 32768 ASYNCIO_EVENT_LOOP = None @@ -49,6 +50,8 @@ CONCURRENT_REQUESTS_PER_IP = 0 COOKIES_ENABLED = True COOKIES_DEBUG = False +CRAWLSPIDER_FOLLOW_LINKS = True + DEFAULT_DROPITEM_LOG_LEVEL = "WARNING" DEFAULT_ITEM_CLASS = "scrapy.item.Item" @@ -158,6 +161,7 @@ FEED_EXPORTERS_BASE = { "marshal": "scrapy.exporters.MarshalItemExporter", "pickle": "scrapy.exporters.PickleItemExporter", } +FEED_FORMAT = "jsonlines" FEED_STORE_EMPTY = True FEED_STORAGES = {} FEED_STORAGES_BASE = { diff --git a/scrapy/spiders/crawl.py b/scrapy/spiders/crawl.py index f44f70e40..98e7b23c0 100644 --- a/scrapy/spiders/crawl.py +++ b/scrapy/spiders/crawl.py @@ -213,7 +213,5 @@ class CrawlSpider(Spider): @classmethod def from_crawler(cls, crawler: Crawler, *args: Any, **kwargs: Any) -> Self: spider = super().from_crawler(crawler, *args, **kwargs) - spider._follow_links = crawler.settings.getbool( - "CRAWLSPIDER_FOLLOW_LINKS", True - ) + spider._follow_links = crawler.settings.getbool("CRAWLSPIDER_FOLLOW_LINKS") return spider From 91b186cf1868038569ef05a334650eae2a74b5b1 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 23 Jun 2025 20:42:11 +0500 Subject: [PATCH 519/786] Use new pytest for new Twisted. (#6893) --- tox.ini | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/tox.ini b/tox.ini index f28467ec1..85935b011 100644 --- a/tox.ini +++ b/tox.ini @@ -14,16 +14,16 @@ deps = pexpect >= 4.8.0 pyftpdlib >= 2.0.1 pygments - pytest != 8.2.* # https://github.com/pytest-dev/pytest/issues/12275 + pytest pytest-cov >= 4.0.0 pytest-xdist sybil >= 1.3.0 # https://github.com/cjw296/sybil/issues/20#issuecomment-605433422 testfixtures - Twisted < 25.5.0 # https://github.com/twisted/twisted/issues/12467 [testenv] deps = {[test-requirements]deps} + pytest >= 8.4.1 # https://github.com/pytest-dev/pytest/pull/13502 # mitmproxy does not support PyPy mitmproxy; implementation_name != "pypy" @@ -96,6 +96,8 @@ commands = [pinned] basepython = python3.9 deps = + # pytest 8.4.1 adds support for Twisted 25.5.0 but drops support for Twisted < 24.10.0 + pytest==8.4.0 Protego==0.1.15 Twisted==21.7.0 cryptography==37.0.0 @@ -195,6 +197,7 @@ basepython = pypy3.10 deps = PyPyDispatcher==2.1.0 {[test-requirements]deps} + pytest==8.4.0 Protego==0.1.15 Twisted==21.7.0 cryptography==41.0.5 From d1575220efc605a4e617aee4d4d9948de56fb529 Mon Sep 17 00:00:00 2001 From: Thalison Fernandes Date: Mon, 23 Jun 2025 12:49:57 -0300 Subject: [PATCH 520/786] Add .venv folder to .gitignore (#6901) --- .gitignore | 1 + 1 file changed, 1 insertion(+) diff --git a/.gitignore b/.gitignore index 0a3f0ac1c..e02c2241d 100644 --- a/.gitignore +++ b/.gitignore @@ -7,6 +7,7 @@ docs/build *egg-info .tox venv +.venv build dist .idea From 712e965dbd2d58bcfdcab13e289d1e1d1cd0abae Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 23 Jun 2025 20:56:48 +0500 Subject: [PATCH 521/786] Replace Black with Ruff in contributing.rst. (#6903) --- docs/contributing.rst | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/docs/contributing.rst b/docs/contributing.rst index 0172887d6..3976d34c2 100644 --- a/docs/contributing.rst +++ b/docs/contributing.rst @@ -251,10 +251,10 @@ Coding style Please follow these coding conventions when writing code for inclusion in Scrapy: -* We use `black `_ for code formatting. +* We use `Ruff `_ for code formatting. There is a hook in the pre-commit config that will automatically format your code before every commit. You can also - run black manually with ``tox -e pre-commit``. + run Ruff manually with ``tox -e pre-commit``. * Don't put your name in the code you contribute; git provides enough metadata to identify author of the code. From 0d86fb69dcfbc51383e2e6fb926b9f166fee4395 Mon Sep 17 00:00:00 2001 From: Thalison Fernandes Date: Mon, 23 Jun 2025 13:56:29 -0300 Subject: [PATCH 522/786] Fix FileFeedStorage handling of Windows paths without file:// scheme (#6897) --- scrapy/extensions/feedexport.py | 2 +- tests/test_feedexport.py | 5 +++++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/scrapy/extensions/feedexport.py b/scrapy/extensions/feedexport.py index d9e9ea775..f7bf50a5c 100644 --- a/scrapy/extensions/feedexport.py +++ b/scrapy/extensions/feedexport.py @@ -185,7 +185,7 @@ class StdoutFeedStorage: @implementer(IFeedStorage) class FileFeedStorage: def __init__(self, uri: str, *, feed_options: dict[str, Any] | None = None): - self.path: str = file_uri_to_path(uri) + self.path: str = file_uri_to_path(uri) if uri.startswith("file://") else uri feed_options = feed_options or {} self.write_mode: OpenBinaryMode = ( "wb" if feed_options.get("overwrite", False) else "ab" diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py index f8f3eb22a..7073d5a35 100644 --- a/tests/test_feedexport.py +++ b/tests/test_feedexport.py @@ -155,6 +155,11 @@ class TestFileFeedStorage: finally: path.unlink() + def test_preserves_windows_path_without_file_scheme(self): + path = r"C:\Users\user\Desktop\test.txt" + storage = FileFeedStorage(path) + assert storage.path == path + class TestFTPFeedStorage(unittest.TestCase): def get_test_spider(self, settings=None): From 9d324ebd1303613adde27dd28a2233803f1bcf14 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 23 Jun 2025 21:58:54 +0500 Subject: [PATCH 523/786] Add .vscode to .gitignore. (#6907) --- .gitignore | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/.gitignore b/.gitignore index e02c2241d..4100bcd97 100644 --- a/.gitignore +++ b/.gitignore @@ -5,15 +5,16 @@ _trial_temp* dropin.cache docs/build *egg-info -.tox -venv -.venv -build -dist -.idea +.tox/ +venv/ +.venv/ +build/ +dist/ +.idea/ +.vscode/ htmlcov/ -.coverage .pytest_cache/ +.coverage .coverage.* coverage.* *.junit.xml @@ -27,4 +28,4 @@ test-output.* Thumbs.db # OSX miscellaneous -.DS_Store \ No newline at end of file +.DS_Store From 9149b6e7fc47743cdbcb5d3471a9650a2163b09b Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 23 Jun 2025 20:42:11 +0500 Subject: [PATCH 524/786] Use new pytest for new Twisted. (#6893) --- tox.ini | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/tox.ini b/tox.ini index 5680d98d1..d3dc7a3db 100644 --- a/tox.ini +++ b/tox.ini @@ -14,17 +14,17 @@ deps = pexpect >= 4.8.0 pyftpdlib >= 2.0.1 pygments - pytest != 8.2.* # https://github.com/pytest-dev/pytest/issues/12275 + pytest pytest-cov >= 4.0.0 pytest-xdist sybil >= 1.3.0 # https://github.com/cjw296/sybil/issues/20#issuecomment-605433422 testfixtures pywin32; sys_platform == "win32" - Twisted < 25.5.0 # https://github.com/twisted/twisted/issues/12467 [testenv] deps = {[test-requirements]deps} + pytest >= 8.4.1 # https://github.com/pytest-dev/pytest/pull/13502 # mitmproxy does not support PyPy mitmproxy; implementation_name != "pypy" @@ -97,6 +97,8 @@ commands = [pinned] basepython = python3.9 deps = + # pytest 8.4.1 adds support for Twisted 25.5.0 but drops support for Twisted < 24.10.0 + pytest==8.4.0 Protego==0.1.15 Twisted==21.7.0 cryptography==37.0.0 @@ -196,6 +198,7 @@ basepython = pypy3.10 deps = PyPyDispatcher==2.1.0 {[test-requirements]deps} + pytest==8.4.0 Protego==0.1.15 Twisted==21.7.0 cryptography==41.0.5 From 020bfa7e5fd98c53db17e0c72db88d43d6fbf1f6 Mon Sep 17 00:00:00 2001 From: Thalison Fernandes Date: Mon, 23 Jun 2025 12:49:57 -0300 Subject: [PATCH 525/786] Add .venv folder to .gitignore (#6901) --- .gitignore | 1 + 1 file changed, 1 insertion(+) diff --git a/.gitignore b/.gitignore index 0a3f0ac1c..e02c2241d 100644 --- a/.gitignore +++ b/.gitignore @@ -7,6 +7,7 @@ docs/build *egg-info .tox venv +.venv build dist .idea From 843ad1afb1383a263b8c8da9004a899a71ea864d Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 23 Jun 2025 20:56:48 +0500 Subject: [PATCH 526/786] Replace Black with Ruff in contributing.rst. (#6903) --- docs/contributing.rst | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/docs/contributing.rst b/docs/contributing.rst index 0172887d6..3976d34c2 100644 --- a/docs/contributing.rst +++ b/docs/contributing.rst @@ -251,10 +251,10 @@ Coding style Please follow these coding conventions when writing code for inclusion in Scrapy: -* We use `black `_ for code formatting. +* We use `Ruff `_ for code formatting. There is a hook in the pre-commit config that will automatically format your code before every commit. You can also - run black manually with ``tox -e pre-commit``. + run Ruff manually with ``tox -e pre-commit``. * Don't put your name in the code you contribute; git provides enough metadata to identify author of the code. From 5e20b46e35c3affc5df7b5f63778e4fb924b28a8 Mon Sep 17 00:00:00 2001 From: Thalison Fernandes Date: Mon, 23 Jun 2025 13:56:29 -0300 Subject: [PATCH 527/786] Fix FileFeedStorage handling of Windows paths without file:// scheme (#6897) --- scrapy/extensions/feedexport.py | 2 +- tests/test_feedexport.py | 5 +++++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/scrapy/extensions/feedexport.py b/scrapy/extensions/feedexport.py index 8bcd4e40d..4ac546765 100644 --- a/scrapy/extensions/feedexport.py +++ b/scrapy/extensions/feedexport.py @@ -185,7 +185,7 @@ class StdoutFeedStorage: @implementer(IFeedStorage) class FileFeedStorage: def __init__(self, uri: str, *, feed_options: dict[str, Any] | None = None): - self.path: str = file_uri_to_path(uri) + self.path: str = file_uri_to_path(uri) if uri.startswith("file://") else uri feed_options = feed_options or {} self.write_mode: OpenBinaryMode = ( "wb" if feed_options.get("overwrite", False) else "ab" diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py index 44cd10ec3..7c6425f19 100644 --- a/tests/test_feedexport.py +++ b/tests/test_feedexport.py @@ -143,6 +143,11 @@ class TestFileFeedStorage(unittest.TestCase): finally: path.unlink() + def test_preserves_windows_path_without_file_scheme(self): + path = r"C:\Users\user\Desktop\test.txt" + storage = FileFeedStorage(path) + assert storage.path == path + class TestFTPFeedStorage(unittest.TestCase): def get_test_spider(self, settings=None): From b53faacfcd64f6717645bf4cd33159cef87cd5d9 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 23 Jun 2025 21:58:54 +0500 Subject: [PATCH 528/786] Add .vscode to .gitignore. (#6907) --- .gitignore | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/.gitignore b/.gitignore index e02c2241d..4100bcd97 100644 --- a/.gitignore +++ b/.gitignore @@ -5,15 +5,16 @@ _trial_temp* dropin.cache docs/build *egg-info -.tox -venv -.venv -build -dist -.idea +.tox/ +venv/ +.venv/ +build/ +dist/ +.idea/ +.vscode/ htmlcov/ -.coverage .pytest_cache/ +.coverage .coverage.* coverage.* *.junit.xml @@ -27,4 +28,4 @@ test-output.* Thumbs.db # OSX miscellaneous -.DS_Store \ No newline at end of file +.DS_Store From 0d75355b41a84896d4ab1c19ed1b88f65206fb9f Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 23 Jun 2025 22:36:54 +0500 Subject: [PATCH 529/786] Handle exceptions in _start_request_processing(), cancel it on engine stop (#6900) --- scrapy/core/engine.py | 48 ++++++++++++++++++++++++++++++------------ scrapy/core/scraper.py | 1 - tests/test_engine.py | 23 +++++++++++++++++++- 3 files changed, 56 insertions(+), 16 deletions(-) diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index fe635dc82..d6c171247 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -7,12 +7,13 @@ For more information see docs/topics/architecture.rst from __future__ import annotations +import asyncio import logging from time import time from traceback import format_exc from typing import TYPE_CHECKING, Any, cast -from twisted.internet.defer import Deferred, inlineCallbacks, succeed +from twisted.internet.defer import CancelledError, Deferred, inlineCallbacks, succeed from twisted.python.failure import Failure from scrapy import signals @@ -108,6 +109,8 @@ class ExecutionEngine: ) self.start_time: float | None = None self._start: AsyncIterator[Any] | None = None + self._closewait: Deferred[None] | None = None + self._start_request_processing_dfd: Deferred[None] | None = None downloader_cls: type[Downloader] = load_object(self.settings["DOWNLOADER"]) try: self.scheduler_cls: type[BaseScheduler] = self._get_scheduler_class( @@ -139,9 +142,9 @@ class ExecutionEngine: self.start_time = time() await self.signals.send_catch_log_async(signal=signals.engine_started) self.running = True - self._closewait: Deferred[None] = Deferred() + self._closewait = Deferred() if _start_request_processing: - self._start_request_processing() + self._start_request_processing_dfd = self._start_request_processing() await maybe_deferred_to_future(self._closewait) def stop(self) -> Deferred[None]: @@ -150,12 +153,16 @@ class ExecutionEngine: @deferred_f_from_coro_f async def _finish_stopping_engine(_: Any) -> None: await self.signals.send_catch_log_async(signal=signals.engine_stopped) - self._closewait.callback(None) + if self._closewait: + self._closewait.callback(None) if not self.running: raise RuntimeError("Engine not running") self.running = False + if self._start_request_processing_dfd is not None: + self._start_request_processing_dfd.cancel() + self._start_request_processing_dfd = None dfd = ( self.close_spider(self.spider, reason="shutdown") if self.spider is not None @@ -217,17 +224,30 @@ class ExecutionEngine: # Starts the processing of scheduled requests, as well as a periodic # call to that processing method for scenarios where the scheduler # reports having pending requests but returns none. - assert self._slot is not None # typing - self._slot.nextcall.schedule() - self._slot.heartbeat.start(self._SLOT_HEARTBEAT_INTERVAL) + try: + assert self._slot is not None # typing + self._slot.nextcall.schedule() + self._slot.heartbeat.start(self._SLOT_HEARTBEAT_INTERVAL) - while self._start and self.spider: - await self._process_start_next() - if not self.needs_backout(): - # Give room for the outcome of self._process_start_next() to be - # processed before continuing with the next iteration. - self._slot.nextcall.schedule() - await self._slot.nextcall.wait() + while self._start and self.spider: + await self._process_start_next() + if not self.needs_backout(): + # Give room for the outcome of self._process_start_next() to be + # processed before continuing with the next iteration. + self._slot.nextcall.schedule() + await self._slot.nextcall.wait() + except (asyncio.exceptions.CancelledError, CancelledError): + # self.stop() has cancelled us, nothing to do + return + except Exception: + # an error happened, log it and stop the engine + self._start_request_processing_dfd = None + logger.error( + "Error while processing requests from start()", + exc_info=True, + extra={"spider": self.spider}, + ) + await maybe_deferred_to_future(self.stop()) def _start_scheduled_requests(self) -> None: if self._slot is None or self._slot.closing is not None or self.paused: diff --git a/scrapy/core/scraper.py b/scrapy/core/scraper.py index 1f0d57c63..dc3a287b4 100644 --- a/scrapy/core/scraper.py +++ b/scrapy/core/scraper.py @@ -140,7 +140,6 @@ class Scraper: def _check_if_closing(self) -> None: assert self.slot is not None # typing - assert self.crawler.spider if self.slot.closing and self.slot.is_idle(): assert self.crawler.spider self.slot.closing.callback(self.crawler.spider) diff --git a/tests/test_engine.py b/tests/test_engine.py index e181a36cf..d9d25c240 100644 --- a/tests/test_engine.py +++ b/tests/test_engine.py @@ -25,6 +25,7 @@ import attr import pytest from itemadapter import ItemAdapter from pydispatch import dispatcher +from testfixtures import LogCapture from twisted.internet import defer from twisted.internet.defer import inlineCallbacks from twisted.trial import unittest @@ -451,12 +452,32 @@ class TestEngine(TestEngineBase): @inlineCallbacks def test_start_already_running_exception(self): e = ExecutionEngine(get_crawler(MySpider), lambda _: None) - yield e.open_spider(MySpider(), []) + yield e.open_spider(MySpider()) e.start() with pytest.raises(RuntimeError, match="Engine already running"): yield e.start() yield e.stop() + @inlineCallbacks + def test_start_request_processing_exception(self): + class BadRequestFingerprinter: + def fingerprint(self, request): + raise ValueError # to make Scheduler.enqueue_request() fail + + class SimpleSpider(Spider): + name = "simple" + + async def start(self): + yield Request("data:,") + + crawler = get_crawler( + SimpleSpider, {"REQUEST_FINGERPRINTER_CLASS": BadRequestFingerprinter} + ) + with LogCapture() as log: + yield crawler.crawl() + assert "Error while processing requests from start()" in str(log) + assert "Spider closed (shutdown)" in str(log) + def test_short_timeout(self): args = ( sys.executable, From 7fbd56bc9baa33a4eb874f4337d740f5f25cfad3 Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 23 Jun 2025 22:36:54 +0500 Subject: [PATCH 530/786] Handle exceptions in _start_request_processing(), cancel it on engine stop (#6900) --- scrapy/core/engine.py | 48 ++++++++++++++++++++++++++++++------------ scrapy/core/scraper.py | 1 - tests/test_engine.py | 23 +++++++++++++++++++- 3 files changed, 56 insertions(+), 16 deletions(-) diff --git a/scrapy/core/engine.py b/scrapy/core/engine.py index 0df9ad2b2..6c6d24d5c 100644 --- a/scrapy/core/engine.py +++ b/scrapy/core/engine.py @@ -7,12 +7,13 @@ For more information see docs/topics/architecture.rst from __future__ import annotations +import asyncio import logging from time import time from traceback import format_exc from typing import TYPE_CHECKING, Any, TypeVar, cast -from twisted.internet.defer import Deferred, inlineCallbacks, succeed +from twisted.internet.defer import CancelledError, Deferred, inlineCallbacks, succeed from twisted.internet.task import LoopingCall from twisted.python.failure import Failure @@ -102,6 +103,8 @@ class ExecutionEngine: ) self.start_time: float | None = None self._start: AsyncIterator[Any] | None = None + self._closewait: Deferred[None] | None = None + self._start_request_processing_dfd: Deferred[None] | None = None downloader_cls: type[Downloader] = load_object(self.settings["DOWNLOADER"]) try: self.scheduler_cls: type[BaseScheduler] = self._get_scheduler_class( @@ -133,9 +136,9 @@ class ExecutionEngine: self.signals.send_catch_log_deferred(signal=signals.engine_started) ) self.running = True - self._closewait: Deferred[None] = Deferred() + self._closewait = Deferred() if _start_request_processing: - self._start_request_processing() + self._start_request_processing_dfd = self._start_request_processing() await maybe_deferred_to_future(self._closewait) def stop(self) -> Deferred[None]: @@ -146,12 +149,16 @@ class ExecutionEngine: await maybe_deferred_to_future( self.signals.send_catch_log_deferred(signal=signals.engine_stopped) ) - self._closewait.callback(None) + if self._closewait: + self._closewait.callback(None) if not self.running: raise RuntimeError("Engine not running") self.running = False + if self._start_request_processing_dfd is not None: + self._start_request_processing_dfd.cancel() + self._start_request_processing_dfd = None dfd = ( self.close_spider(self.spider, reason="shutdown") if self.spider is not None @@ -213,17 +220,30 @@ class ExecutionEngine: # Starts the processing of scheduled requests, as well as a periodic # call to that processing method for scenarios where the scheduler # reports having pending requests but returns none. - assert self._slot is not None # typing - self._slot.nextcall.schedule() - self._slot.heartbeat.start(self._SLOT_HEARTBEAT_INTERVAL) + try: + assert self._slot is not None # typing + self._slot.nextcall.schedule() + self._slot.heartbeat.start(self._SLOT_HEARTBEAT_INTERVAL) - while self._start and self.spider: - await self._process_start_next() - if not self.needs_backout(): - # Give room for the outcome of self._process_start_next() to be - # processed before continuing with the next iteration. - self._slot.nextcall.schedule() - await self._slot.nextcall.wait() + while self._start and self.spider: + await self._process_start_next() + if not self.needs_backout(): + # Give room for the outcome of self._process_start_next() to be + # processed before continuing with the next iteration. + self._slot.nextcall.schedule() + await self._slot.nextcall.wait() + except (asyncio.exceptions.CancelledError, CancelledError): + # self.stop() has cancelled us, nothing to do + return + except Exception: + # an error happened, log it and stop the engine + self._start_request_processing_dfd = None + logger.error( + "Error while processing requests from start()", + exc_info=True, + extra={"spider": self.spider}, + ) + await maybe_deferred_to_future(self.stop()) def _start_scheduled_requests(self) -> None: if self._slot is None or self._slot.closing is not None or self.paused: diff --git a/scrapy/core/scraper.py b/scrapy/core/scraper.py index ac720e03f..a2fe281e0 100644 --- a/scrapy/core/scraper.py +++ b/scrapy/core/scraper.py @@ -139,7 +139,6 @@ class Scraper: def _check_if_closing(self) -> None: assert self.slot is not None # typing - assert self.crawler.spider if self.slot.closing and self.slot.is_idle(): assert self.crawler.spider self.slot.closing.callback(self.crawler.spider) diff --git a/tests/test_engine.py b/tests/test_engine.py index b2e436425..a3c5243d5 100644 --- a/tests/test_engine.py +++ b/tests/test_engine.py @@ -25,6 +25,7 @@ import attr import pytest from itemadapter import ItemAdapter from pydispatch import dispatcher +from testfixtures import LogCapture from twisted.internet import defer, reactor from twisted.trial import unittest from twisted.web import server, static, util @@ -448,7 +449,7 @@ class TestEngine(TestEngineBase): @defer.inlineCallbacks def test_start_already_running_exception(self): e = ExecutionEngine(get_crawler(MySpider), lambda _: None) - yield e.open_spider(MySpider(), []) + yield e.open_spider(MySpider()) e.start() def cb(exc: BaseException) -> None: @@ -459,6 +460,26 @@ class TestEngine(TestEngineBase): finally: yield e.stop() + @defer.inlineCallbacks + def test_start_request_processing_exception(self): + class BadRequestFingerprinter: + def fingerprint(self, request): + raise ValueError # to make Scheduler.enqueue_request() fail + + class SimpleSpider(Spider): + name = "simple" + + async def start(self): + yield Request("data:,") + + crawler = get_crawler( + SimpleSpider, {"REQUEST_FINGERPRINTER_CLASS": BadRequestFingerprinter} + ) + with LogCapture() as log: + yield crawler.crawl() + assert "Error while processing requests from start()" in str(log) + assert "Spider closed (shutdown)" in str(log) + def test_short_timeout(self): args = ( sys.executable, From d70f8a3f14252715fbc9b9541364c5b5d142335f Mon Sep 17 00:00:00 2001 From: Andrey Rakhmatullin Date: Mon, 23 Jun 2025 23:39:24 +0500 Subject: [PATCH 531/786] Refactoring of test_utils_*. (#6905) --- tests/test_command_startproject.py | 2 - tests/test_request_cb_kwargs.py | 2 - tests/test_toplevel.py | 42 ++- tests/test_urlparse_monkeypatches.py | 10 - tests/test_utils_conf.py | 11 +- tests/test_utils_console.py | 35 +- tests/test_utils_curl.py | 6 +- tests/test_utils_datatypes.py | 12 +- tests/test_utils_deprecate.py | 5 +- tests/test_utils_display.py | 146 +++---- tests/test_utils_gz.py | 78 ++-- tests/test_utils_httpobj.py | 27 +- tests/test_utils_iterators.py | 80 ++-- tests/test_utils_log.py | 185 +++++---- tests/test_utils_project.py | 33 +- tests/test_utils_python.py | 283 +++++++------- tests/test_utils_request.py | 100 ++--- tests/test_utils_response.py | 370 +++++++++--------- tests/test_utils_serialize.py | 30 +- tests/test_utils_sitemap.py | 421 ++++++++++----------- tests/test_utils_spider.py | 26 +- tests/test_utils_template.py | 27 +- tests/test_utils_trackref.py | 95 ++--- tests/test_utils_url.py | 543 +++++++++++---------------- 24 files changed, 1251 insertions(+), 1318 deletions(-) delete mode 100644 tests/test_urlparse_monkeypatches.py diff --git a/tests/test_command_startproject.py b/tests/test_command_startproject.py index 988ad50b9..1edef0b4a 100644 --- a/tests/test_command_startproject.py +++ b/tests/test_command_startproject.py @@ -106,8 +106,6 @@ def get_permissions_dict( class TestStartprojectTemplates(TestProjectBase): - maxDiff = None - def setup_method(self): super().setup_method() self.tmpl = str(Path(self.temp_path, "templates")) diff --git a/tests/test_request_cb_kwargs.py b/tests/test_request_cb_kwargs.py index 9d2e5f997..1714bd4db 100644 --- a/tests/test_request_cb_kwargs.py +++ b/tests/test_request_cb_kwargs.py @@ -150,8 +150,6 @@ class KeywordArgumentsSpider(MockServerSpider): class TestCallbackKeywordArguments(TestCase): - maxDiff = None - @classmethod def setUpClass(cls): cls.mockserver = MockServer() diff --git a/tests/test_toplevel.py b/tests/test_toplevel.py index a4f31096e..66a6f5318 100644 --- a/tests/test_toplevel.py +++ b/tests/test_toplevel.py @@ -1,31 +1,35 @@ import scrapy -class TestToplevel: - def test_version(self): - assert isinstance(scrapy.__version__, str) +def test_version(): + assert isinstance(scrapy.__version__, str) - def test_version_info(self): - assert isinstance(scrapy.version_info, tuple) - def test_request_shortcut(self): - from scrapy.http import FormRequest, Request +def test_version_info(): + assert isinstance(scrapy.version_info, tuple) - assert scrapy.Request is Request - assert scrapy.FormRequest is FormRequest - def test_spider_shortcut(self): - from scrapy.spiders import Spider +def test_request_shortcut(): + from scrapy.http import FormRequest, Request - assert scrapy.Spider is Spider + assert scrapy.Request is Request + assert scrapy.FormRequest is FormRequest - def test_selector_shortcut(self): - from scrapy.selector import Selector - assert scrapy.Selector is Selector +def test_spider_shortcut(): + from scrapy.spiders import Spider - def test_item_shortcut(self): - from scrapy.item import Field, Item + assert scrapy.Spider is Spider - assert scrapy.Item is Item - assert scrapy.Field is Field + +def test_selector_shortcut(): + from scrapy.selector import Selector + + assert scrapy.Selector is Selector + + +def test_item_shortcut(): + from scrapy.item import Field, Item + + assert scrapy.Item is Item + assert scrapy.Field is Field diff --git a/tests/test_urlparse_monkeypatches.py b/tests/test_urlparse_monkeypatches.py deleted file mode 100644 index 0e1e89e81..000000000 --- a/tests/test_urlparse_monkeypatches.py +++ /dev/null @@ -1,10 +0,0 @@ -from urllib.parse import urlparse - - -class TestUrlparse: - def test_s3_url(self): - p = urlparse("s3://bucket/key/name?param=value") - assert p.scheme == "s3" - assert p.hostname == "bucket" - assert p.path == "/key/name" - assert p.query == "param=value" diff --git a/tests/test_utils_conf.py b/tests/test_utils_conf.py index 26f158380..ed7dda18d 100644 --- a/tests/test_utils_conf.py +++ b/tests/test_utils_conf.py @@ -47,12 +47,11 @@ class TestBuildComponentList: assert build_component_list(d, convert=lambda x: x) == ["b", "c", "a"] -class TestUtilsConf: - def test_arglist_to_dict(self): - assert arglist_to_dict(["arg1=val1", "arg2=val2"]) == { - "arg1": "val1", - "arg2": "val2", - } +def test_arglist_to_dict(): + assert arglist_to_dict(["arg1=val1", "arg2=val2"]) == { + "arg1": "val1", + "arg2": "val2", + } class TestFeedExportConfig: diff --git a/tests/test_utils_console.py b/tests/test_utils_console.py index 6598bdce7..dc1d96f66 100644 --- a/tests/test_utils_console.py +++ b/tests/test_utils_console.py @@ -18,23 +18,24 @@ except ImportError: ipy = False -class TestUtilsConsole: - def test_get_shell_embed_func(self): - shell = get_shell_embed_func(["invalid"]) - assert shell is None +def test_get_shell_embed_func(): + shell = get_shell_embed_func(["invalid"]) + assert shell is None - shell = get_shell_embed_func(["invalid", "python"]) - assert callable(shell) - assert shell.__name__ == "_embed_standard_shell" + shell = get_shell_embed_func(["invalid", "python"]) + assert callable(shell) + assert shell.__name__ == "_embed_standard_shell" - @pytest.mark.skipif(not bpy, reason="bpython not available in testenv") - def test_get_shell_embed_func2(self): - shell = get_shell_embed_func(["bpython"]) - assert callable(shell) - assert shell.__name__ == "_embed_bpython_shell" - @pytest.mark.skipif(not ipy, reason="IPython not available in testenv") - def test_get_shell_embed_func3(self): - # default shell should be 'ipython' - shell = get_shell_embed_func() - assert shell.__name__ == "_embed_ipython_shell" +@pytest.mark.skipif(not bpy, reason="bpython not available in testenv") +def test_get_shell_embed_func_bpython(): + shell = get_shell_embed_func(["bpython"]) + assert callable(shell) + assert shell.__name__ == "_embed_bpython_shell" + + +@pytest.mark.skipif(not ipy, reason="IPython not available in testenv") +def test_get_shell_embed_func_ipython(): + # default shell should be 'ipython' + shell = get_shell_embed_func() + assert shell.__name__ == "_embed_ipython_shell" diff --git a/tests/test_utils_curl.py b/tests/test_utils_curl.py index e8dd88049..02362693a 100644 --- a/tests/test_utils_curl.py +++ b/tests/test_utils_curl.py @@ -1,4 +1,5 @@ import warnings +from typing import Any import pytest from w3lib.http import basic_auth_header @@ -8,9 +9,8 @@ from scrapy.utils.curl import curl_to_request_kwargs class TestCurlToRequestKwargs: - maxDiff = 5000 - - def _test_command(self, curl_command, expected_result): + @staticmethod + def _test_command(curl_command: str, expected_result: dict[str, Any]) -> None: result = curl_to_request_kwargs(curl_command) assert result == expected_result try: diff --git a/tests/test_utils_datatypes.py b/tests/test_utils_datatypes.py index 75b6b0e99..352e49165 100644 --- a/tests/test_utils_datatypes.py +++ b/tests/test_utils_datatypes.py @@ -1,5 +1,6 @@ import copy import warnings +from abc import ABC, abstractmethod from collections.abc import Iterator, Mapping, MutableMapping import pytest @@ -16,7 +17,12 @@ from scrapy.utils.datatypes import ( from scrapy.utils.python import garbage_collect -class CaseInsensitiveDictBase: +class TestCaseInsensitiveDictBase(ABC): + @property + @abstractmethod + def dict_class(self) -> type[MutableMapping]: + raise NotImplementedError + def test_init_dict(self): seq = {"red": 1, "black": 3} d = self.dict_class(seq) @@ -199,7 +205,7 @@ class CaseInsensitiveDictBase: assert h1.get("header1") == h3.get("HEADER1") -class TestCaseInsensitiveDict(CaseInsensitiveDictBase): +class TestCaseInsensitiveDict(TestCaseInsensitiveDictBase): dict_class = CaseInsensitiveDict def test_repr(self): @@ -216,7 +222,7 @@ class TestCaseInsensitiveDict(CaseInsensitiveDictBase): @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") -class TestCaselessDict(CaseInsensitiveDictBase): +class TestCaselessDict(TestCaseInsensitiveDictBase): dict_class = CaselessDict def test_deprecation_message(self): diff --git a/tests/test_utils_deprecate.py b/tests/test_utils_deprecate.py index 662de0dc3..a88b5e008 100644 --- a/tests/test_utils_deprecate.py +++ b/tests/test_utils_deprecate.py @@ -1,6 +1,7 @@ import inspect import warnings from unittest import mock +from warnings import WarningMessage import pytest @@ -21,7 +22,9 @@ class NewName(SomeBaseClass): class TestWarnWhenSubclassed: - def _mywarnings(self, w, category=MyWarning): + def _mywarnings( + self, w: list[WarningMessage], category: type[Warning] = MyWarning + ) -> list[WarningMessage]: return [x for x in w if x.category is MyWarning] def test_no_warning_on_definition(self): diff --git a/tests/test_utils_display.py b/tests/test_utils_display.py index cea564653..20251ca59 100644 --- a/tests/test_utils_display.py +++ b/tests/test_utils_display.py @@ -3,88 +3,92 @@ from unittest import mock from scrapy.utils.display import pformat, pprint - -class TestDisplay: - object = {"a": 1} - colorized_strings = { +value = {"a": 1} +colorized_strings = { + ( ( - ( - "{\x1b[33m'\x1b[39;49;00m\x1b[33ma\x1b[39;49;00m\x1b[33m'" - "\x1b[39;49;00m: \x1b[34m1\x1b[39;49;00m}" - ) - + suffix + "{\x1b[33m'\x1b[39;49;00m\x1b[33ma\x1b[39;49;00m\x1b[33m'" + "\x1b[39;49;00m: \x1b[34m1\x1b[39;49;00m}" ) - for suffix in ( - # https://github.com/pygments/pygments/issues/2313 - "\n", # pygments ≤ 2.13 - "\x1b[37m\x1b[39;49;00m\n", # pygments ≥ 2.14 - ) - } - plain_string = "{'a': 1}" + + suffix + ) + for suffix in ( + # https://github.com/pygments/pygments/issues/2313 + "\n", # pygments ≤ 2.13 + "\x1b[37m\x1b[39;49;00m\n", # pygments ≥ 2.14 + ) +} +plain_string = "{'a': 1}" - @mock.patch("sys.platform", "linux") - @mock.patch("sys.stdout.isatty") - def test_pformat(self, isatty): - isatty.return_value = True - assert pformat(self.object) in self.colorized_strings - @mock.patch("sys.stdout.isatty") - def test_pformat_dont_colorize(self, isatty): - isatty.return_value = True - assert pformat(self.object, colorize=False) == self.plain_string +@mock.patch("sys.platform", "linux") +@mock.patch("sys.stdout.isatty") +def test_pformat(isatty): + isatty.return_value = True + assert pformat(value) in colorized_strings - def test_pformat_not_tty(self): - assert pformat(self.object) == self.plain_string - @mock.patch("sys.platform", "win32") - @mock.patch("platform.version") - @mock.patch("sys.stdout.isatty") - def test_pformat_old_windows(self, isatty, version): - isatty.return_value = True - version.return_value = "10.0.14392" - assert pformat(self.object) in self.colorized_strings +@mock.patch("sys.stdout.isatty") +def test_pformat_dont_colorize(isatty): + isatty.return_value = True + assert pformat(value, colorize=False) == plain_string - @mock.patch("sys.platform", "win32") - @mock.patch("scrapy.utils.display._enable_windows_terminal_processing") - @mock.patch("platform.version") - @mock.patch("sys.stdout.isatty") - def test_pformat_windows_no_terminal_processing( - self, isatty, version, terminal_processing - ): - isatty.return_value = True - version.return_value = "10.0.14393" - terminal_processing.return_value = False - assert pformat(self.object) == self.plain_string - @mock.patch("sys.platform", "win32") - @mock.patch("scrapy.utils.display._enable_windows_terminal_processing") - @mock.patch("platform.version") - @mock.patch("sys.stdout.isatty") - def test_pformat_windows(self, isatty, version, terminal_processing): - isatty.return_value = True - version.return_value = "10.0.14393" - terminal_processing.return_value = True - assert pformat(self.object) in self.colorized_strings +def test_pformat_not_tty(): + assert pformat(value) == plain_string - @mock.patch("sys.platform", "linux") - @mock.patch("sys.stdout.isatty") - def test_pformat_no_pygments(self, isatty): - isatty.return_value = True - import builtins +@mock.patch("sys.platform", "win32") +@mock.patch("platform.version") +@mock.patch("sys.stdout.isatty") +def test_pformat_old_windows(isatty, version): + isatty.return_value = True + version.return_value = "10.0.14392" + assert pformat(value) in colorized_strings - real_import = builtins.__import__ - def mock_import(name, globals, locals, fromlist, level): - if "pygments" in name: - raise ImportError - return real_import(name, globals, locals, fromlist, level) +@mock.patch("sys.platform", "win32") +@mock.patch("scrapy.utils.display._enable_windows_terminal_processing") +@mock.patch("platform.version") +@mock.patch("sys.stdout.isatty") +def test_pformat_windows_no_terminal_processing(isatty, version, terminal_processing): + isatty.return_value = True + version.return_value = "10.0.14393" + terminal_processing.return_value = False + assert pformat(value) == plain_string - builtins.__import__ = mock_import - assert pformat(self.object) == self.plain_string - builtins.__import__ = real_import - def test_pprint(self): - with mock.patch("sys.stdout", new=StringIO()) as mock_out: - pprint(self.object) - assert mock_out.getvalue() == "{'a': 1}\n" +@mock.patch("sys.platform", "win32") +@mock.patch("scrapy.utils.display._enable_windows_terminal_processing") +@mock.patch("platform.version") +@mock.patch("sys.stdout.isatty") +def test_pformat_windows(isatty, version, terminal_processing): + isatty.return_value = True + version.return_value = "10.0.14393" + terminal_processing.return_value = True + assert pformat(value) in colorized_strings + + +@mock.patch("sys.platform", "linux") +@mock.patch("sys.stdout.isatty") +def test_pformat_no_pygments(isatty): + isatty.return_value = True + + import builtins + + real_import = builtins.__import__ + + def mock_import(name, globals, locals, fromlist, level): + if "pygments" in name: + raise ImportError + return real_import(name, globals, locals, fromlist, level) + + builtins.__import__ = mock_import + assert pformat(value) == plain_string + builtins.__import__ = real_import + + +def test_pprint(): + with mock.patch("sys.stdout", new=StringIO()) as mock_out: + pprint(value) + assert mock_out.getvalue() == "{'a': 1}\n" diff --git a/tests/test_utils_gz.py b/tests/test_utils_gz.py index c43ed152b..06fdf9cba 100644 --- a/tests/test_utils_gz.py +++ b/tests/test_utils_gz.py @@ -11,47 +11,51 @@ from tests import tests_datadir SAMPLEDIR = Path(tests_datadir, "compressed") -class TestGunzip: - def test_gunzip_basic(self): - r1 = Response( - "http://www.example.com", - body=(SAMPLEDIR / "feed-sample1.xml.gz").read_bytes(), - ) - assert gzip_magic_number(r1) +def test_gunzip_basic(): + r1 = Response( + "http://www.example.com", + body=(SAMPLEDIR / "feed-sample1.xml.gz").read_bytes(), + ) + assert gzip_magic_number(r1) - r2 = Response("http://www.example.com", body=gunzip(r1.body)) - assert not gzip_magic_number(r2) - assert len(r2.body) == 9950 + r2 = Response("http://www.example.com", body=gunzip(r1.body)) + assert not gzip_magic_number(r2) + assert len(r2.body) == 9950 - def test_gunzip_truncated(self): - text = gunzip((SAMPLEDIR / "truncated-crc-error.gz").read_bytes()) - assert text.endswith(b"") - assert not gzip_magic_number(r2) +def test_gunzip_no_gzip_file_raises(): + with pytest.raises(BadGzipFile): + gunzip((SAMPLEDIR / "feed-sample1.xml").read_bytes()) - def test_is_gzipped_empty(self): - r1 = Response("http://www.example.com") - assert not gzip_magic_number(r1) - def test_gunzip_illegal_eof(self): - text = html_to_unicode( - "charset=cp1252", gunzip((SAMPLEDIR / "unexpected-eof.gz").read_bytes()) - )[1] - expected_text = (SAMPLEDIR / "unexpected-eof-output.txt").read_text( - encoding="utf-8" - ) - assert len(text) == len(expected_text) - assert text == expected_text +def test_gunzip_truncated_short(): + r1 = Response( + "http://www.example.com", + body=(SAMPLEDIR / "truncated-crc-error-short.gz").read_bytes(), + ) + assert gzip_magic_number(r1) + + r2 = Response("http://www.example.com", body=gunzip(r1.body)) + assert r2.body.endswith(b"") + assert not gzip_magic_number(r2) + + +def test_is_gzipped_empty(): + r1 = Response("http://www.example.com") + assert not gzip_magic_number(r1) + + +def test_gunzip_illegal_eof(): + text = html_to_unicode( + "charset=cp1252", gunzip((SAMPLEDIR / "unexpected-eof.gz").read_bytes()) + )[1] + expected_text = (SAMPLEDIR / "unexpected-eof-output.txt").read_text( + encoding="utf-8" + ) + assert len(text) == len(expected_text) + assert text == expected_text diff --git a/tests/test_utils_httpobj.py b/tests/test_utils_httpobj.py index 0c05ef7d6..9bd86f7fb 100644 --- a/tests/test_utils_httpobj.py +++ b/tests/test_utils_httpobj.py @@ -4,18 +4,17 @@ from scrapy.http import Request from scrapy.utils.httpobj import urlparse_cached -class TestHttpobjUtils: - def test_urlparse_cached(self): - url = "http://www.example.com/index.html" - request1 = Request(url) - request2 = Request(url) - req1a = urlparse_cached(request1) - req1b = urlparse_cached(request1) - req2 = urlparse_cached(request2) - urlp = urlparse(url) +def test_urlparse_cached(): + url = "http://www.example.com/index.html" + request1 = Request(url) + request2 = Request(url) + req1a = urlparse_cached(request1) + req1b = urlparse_cached(request1) + req2 = urlparse_cached(request2) + urlp = urlparse(url) - assert req1a == req2 - assert req1a == urlp - assert req1a is req1b - assert req1a is not req2 - assert req1a is not req2 + assert req1a == req2 + assert req1a == urlp + assert req1a is req1b + assert req1a is not req2 + assert req1a is not req2 diff --git a/tests/test_utils_iterators.py b/tests/test_utils_iterators.py index fa0d37866..ac32fff2c 100644 --- a/tests/test_utils_iterators.py +++ b/tests/test_utils_iterators.py @@ -1,3 +1,8 @@ +from __future__ import annotations + +from abc import ABC, abstractmethod +from typing import TYPE_CHECKING, Any + import pytest from scrapy.exceptions import ScrapyDeprecationWarning @@ -5,9 +10,19 @@ from scrapy.http import Response, TextResponse, XmlResponse from scrapy.utils.iterators import _body_or_str, csviter, xmliter, xmliter_lxml from tests import get_testdata +if TYPE_CHECKING: + from collections.abc import Iterator + + from scrapy import Selector + + +class TestXmliterBase(ABC): + @abstractmethod + def xmliter( + self, obj: Response | str | bytes, nodename: str, *args: Any + ) -> Iterator[Selector]: + raise NotImplementedError -class XmliterBase: - @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter(self): body = b""" @@ -39,7 +54,6 @@ class XmliterBase: ("002", ["Name 2"], ["Type 2"]), ] - @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter_unusual_node(self): body = b""" @@ -53,7 +67,6 @@ class XmliterBase: ] assert nodenames == [["matchme..."]] - @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter_unicode(self): # example taken from https://github.com/scrapy/scrapy/issues/1665 body = """ @@ -113,7 +126,6 @@ class XmliterBase: ("27", ["A"], ["27"]), ] - @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter_text(self): body = ( '' @@ -125,7 +137,6 @@ class XmliterBase: ["two"], ] - @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter_namespaces(self): body = b""" @@ -163,7 +174,6 @@ class XmliterBase: assert node.xpath("id/text()").getall() == [] assert node.xpath("price/text()").getall() == [] - @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter_namespaced_nodename(self): body = b""" @@ -191,7 +201,6 @@ class XmliterBase: "http://www.mydummycompany.com/images/item1.jpg" ] - @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter_namespaced_nodename_missing(self): body = b""" @@ -216,7 +225,6 @@ class XmliterBase: with pytest.raises(StopIteration): next(my_iter) - @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter_exception(self): body = ( '' @@ -229,13 +237,11 @@ class XmliterBase: with pytest.raises(StopIteration): next(iter) - @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter_objtype_exception(self): i = self.xmliter(42, "product") with pytest.raises(TypeError): next(i) - @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") def test_xmliter_encoding(self): body = ( b'\n' @@ -250,8 +256,12 @@ class XmliterBase: ) -class TestXmliter(XmliterBase): - xmliter = staticmethod(xmliter) +@pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") +class TestXmliter(TestXmliterBase): + def xmliter( + self, obj: Response | str | bytes, nodename: str, *args: Any + ) -> Iterator[Selector]: + return xmliter(obj, nodename) def test_deprecation(self): body = b""" @@ -267,8 +277,11 @@ class TestXmliter(XmliterBase): next(self.xmliter(body, "product")) -class TestLxmlXmliter(XmliterBase): - xmliter = staticmethod(xmliter_lxml) +class TestLxmlXmliter(TestXmliterBase): + def xmliter( + self, obj: Response | str | bytes, nodename: str, *args: Any + ) -> Iterator[Selector]: + return xmliter_lxml(obj, nodename, *args) def test_xmliter_iterate_namespace(self): body = b""" @@ -493,23 +506,32 @@ class TestUtilsCsv: ] -class TestHelper: +class TestBodyOrStr: bbody = b"utf8-body" ubody = bbody.decode("utf8") - txtresponse = TextResponse(url="http://example.org/", body=bbody, encoding="utf-8") - response = Response(url="http://example.org/", body=bbody) - def test_body_or_str(self): - for obj in (self.bbody, self.ubody, self.txtresponse, self.response): - r1 = _body_or_str(obj) - self._assert_type_and_value(r1, self.ubody, obj) - r2 = _body_or_str(obj, unicode=True) - self._assert_type_and_value(r2, self.ubody, obj) - r3 = _body_or_str(obj, unicode=False) - self._assert_type_and_value(r3, self.bbody, obj) - assert type(r1) is type(r2) - assert type(r1) is not type(r3) + @pytest.mark.parametrize( + "obj", + [ + bbody, + ubody, + TextResponse(url="http://example.org/", body=bbody, encoding="utf-8"), + Response(url="http://example.org/", body=bbody), + ], + ) + def test_body_or_str(self, obj: Response | str | bytes) -> None: + r1 = _body_or_str(obj) + self._assert_type_and_value(r1, self.ubody, obj) + r2 = _body_or_str(obj, unicode=True) + self._assert_type_and_value(r2, self.ubody, obj) + r3 = _body_or_str(obj, unicode=False) + self._assert_type_and_value(r3, self.bbody, obj) + assert type(r1) is type(r2) + assert type(r1) is not type(r3) - def _assert_type_and_value(self, a, b, obj): + @staticmethod + def _assert_type_and_value( + a: str | bytes, b: str | bytes, obj: Response | str | bytes + ) -> None: assert type(a) is type(b), f"Got {type(a)}, expected {type(b)} for {obj!r}" assert a == b diff --git a/tests/test_utils_log.py b/tests/test_utils_log.py index 56375606c..f40e424ff 100644 --- a/tests/test_utils_log.py +++ b/tests/test_utils_log.py @@ -22,7 +22,9 @@ from scrapy.utils.test import get_crawler from tests.spiders import LogSpider if TYPE_CHECKING: - from collections.abc import Mapping, MutableMapping + from collections.abc import Generator, Mapping, MutableMapping + + from scrapy.crawler import Crawler class TestFailureToExcInfo: @@ -70,33 +72,41 @@ class TestTopLevelFormatter: class TestLogCounterHandler: - def setup_method(self): + @pytest.fixture + def crawler(self) -> Crawler: settings = {"LOG_LEVEL": "WARNING"} - self.logger = logging.getLogger("test") - self.logger.setLevel(logging.NOTSET) - self.logger.propagate = False - self.crawler = get_crawler(settings_dict=settings) - self.handler = LogCounterHandler(self.crawler) - self.logger.addHandler(self.handler) + return get_crawler(settings_dict=settings) - def teardown_method(self): - self.logger.propagate = True - self.logger.removeHandler(self.handler) + @pytest.fixture + def logger(self, crawler: Crawler) -> Generator[logging.Logger]: + logger = logging.getLogger("test") + logger.setLevel(logging.NOTSET) + logger.propagate = False + handler = LogCounterHandler(crawler) + logger.addHandler(handler) - def test_init(self): - assert self.crawler.stats.get_value("log_count/DEBUG") is None - assert self.crawler.stats.get_value("log_count/INFO") is None - assert self.crawler.stats.get_value("log_count/WARNING") is None - assert self.crawler.stats.get_value("log_count/ERROR") is None - assert self.crawler.stats.get_value("log_count/CRITICAL") is None + yield logger - def test_accepted_level(self): - self.logger.error("test log msg") - assert self.crawler.stats.get_value("log_count/ERROR") == 1 + logger.propagate = True + logger.removeHandler(handler) - def test_filtered_out_level(self): - self.logger.debug("test log msg") - assert self.crawler.stats.get_value("log_count/INFO") is None + def test_init(self, crawler: Crawler, logger: logging.Logger) -> None: + assert crawler.stats + assert crawler.stats.get_value("log_count/DEBUG") is None + assert crawler.stats.get_value("log_count/INFO") is None + assert crawler.stats.get_value("log_count/WARNING") is None + assert crawler.stats.get_value("log_count/ERROR") is None + assert crawler.stats.get_value("log_count/CRITICAL") is None + + def test_accepted_level(self, crawler: Crawler, logger: logging.Logger) -> None: + logger.error("test log msg") + assert crawler.stats + assert crawler.stats.get_value("log_count/ERROR") == 1 + + def test_filtered_out_level(self, crawler: Crawler, logger: logging.Logger) -> None: + logger.debug("test log msg") + assert crawler.stats + assert crawler.stats.get_value("log_count/INFO") is None class TestStreamLogger: @@ -135,7 +145,7 @@ class TestStreamLogger: ) def test_spider_logger_adapter_process( base_extra: Mapping[str, Any], log_extra: MutableMapping, expected_extra: dict -): +) -> None: logger = logging.getLogger("test") spider_logger_adapter = SpiderLoggerAdapter(logger, base_extra) @@ -149,59 +159,75 @@ def test_spider_logger_adapter_process( class TestLogging: - def setup_method(self): - self.log_stream = StringIO() - handler = logging.StreamHandler(self.log_stream) + @pytest.fixture + def log_stream(self) -> StringIO: + return StringIO() + + @pytest.fixture + def spider(self) -> LogSpider: + return LogSpider() + + @pytest.fixture(autouse=True) + def logger(self, log_stream: StringIO) -> Generator[logging.Logger]: + handler = logging.StreamHandler(log_stream) logger = logging.getLogger("log_spider") logger.addHandler(handler) logger.setLevel(logging.DEBUG) - self.handler = handler - self.logger = logger - self.spider = LogSpider() - def teardown_method(self): - self.logger.removeHandler(self.handler) + yield logger - def test_debug_logging(self): + logger.removeHandler(handler) + + def test_debug_logging(self, log_stream: StringIO, spider: LogSpider) -> None: log_message = "Foo message" - self.spider.log_debug(log_message) - log_contents = self.log_stream.getvalue() + spider.log_debug(log_message) + log_contents = log_stream.getvalue() assert log_contents == f"{log_message}\n" - def test_info_logging(self): + def test_info_logging(self, log_stream: StringIO, spider: LogSpider) -> None: log_message = "Bar message" - self.spider.log_info(log_message) - log_contents = self.log_stream.getvalue() + spider.log_info(log_message) + log_contents = log_stream.getvalue() assert log_contents == f"{log_message}\n" - def test_warning_logging(self): + def test_warning_logging(self, log_stream: StringIO, spider: LogSpider) -> None: log_message = "Baz message" - self.spider.log_warning(log_message) - log_contents = self.log_stream.getvalue() + spider.log_warning(log_message) + log_contents = log_stream.getvalue() assert log_contents == f"{log_message}\n" - def test_error_logging(self): + def test_error_logging(self, log_stream: StringIO, spider: LogSpider) -> None: log_message = "Foo bar message" - self.spider.log_error(log_message) - log_contents = self.log_stream.getvalue() + spider.log_error(log_message) + log_contents = log_stream.getvalue() assert log_contents == f"{log_message}\n" - def test_critical_logging(self): + def test_critical_logging(self, log_stream: StringIO, spider: LogSpider) -> None: log_message = "Foo bar baz message" - self.spider.log_critical(log_message) - log_contents = self.log_stream.getvalue() + spider.log_critical(log_message) + log_contents = log_stream.getvalue() assert log_contents == f"{log_message}\n" class TestLoggingWithExtra: - def setup_method(self): - self.log_stream = StringIO() - handler = logging.StreamHandler(self.log_stream) + regex_pattern = re.compile(r"^]+>$") + + @pytest.fixture + def log_stream(self) -> StringIO: + return StringIO() + + @pytest.fixture + def spider(self) -> LogSpider: + return LogSpider() + + @pytest.fixture(autouse=True) + def logger(self, log_stream: StringIO) -> Generator[logging.Logger]: + handler = logging.StreamHandler(log_stream) formatter = logging.Formatter( '{"levelname": "%(levelname)s", "message": "%(message)s", "spider": "%(spider)s", "important_info": "%(important_info)s"}' ) @@ -209,80 +235,79 @@ class TestLoggingWithExtra: logger = logging.getLogger("log_spider") logger.addHandler(handler) logger.setLevel(logging.DEBUG) - self.handler = handler - self.logger = logger - self.spider = LogSpider() - self.regex_pattern = re.compile(r"^]+>$") - def teardown_method(self): - self.logger.removeHandler(self.handler) + yield logger - def test_debug_logging(self): + logger.removeHandler(handler) + + def test_debug_logging(self, log_stream: StringIO, spider: LogSpider) -> None: log_message = "Foo message" extra = {"important_info": "foo"} - self.spider.log_debug(log_message, extra) - log_contents = self.log_stream.getvalue() - log_contents = json.loads(log_contents) + spider.log_debug(log_message, extra) + log_contents_str = log_stream.getvalue() + log_contents = json.loads(log_contents_str) assert log_contents["levelname"] == "DEBUG" assert log_contents["message"] == log_message assert self.regex_pattern.match(log_contents["spider"]) assert log_contents["important_info"] == extra["important_info"] - def test_info_logging(self): + def test_info_logging(self, log_stream: StringIO, spider: LogSpider) -> None: log_message = "Bar message" extra = {"important_info": "bar"} - self.spider.log_info(log_message, extra) - log_contents = self.log_stream.getvalue() - log_contents = json.loads(log_contents) + spider.log_info(log_message, extra) + log_contents_str = log_stream.getvalue() + log_contents = json.loads(log_contents_str) assert log_contents["levelname"] == "INFO" assert log_contents["message"] == log_message assert self.regex_pattern.match(log_contents["spider"]) assert log_contents["important_info"] == extra["important_info"] - def test_warning_logging(self): + def test_warning_logging(self, log_stream: StringIO, spider: LogSpider) -> None: log_message = "Baz message" extra = {"important_info": "baz"} - self.spider.log_warning(log_message, extra) - log_contents = self.log_stream.getvalue() - log_contents = json.loads(log_contents) + spider.log_warning(log_message, extra) + log_contents_str = log_stream.getvalue() + log_contents = json.loads(log_contents_str) assert log_contents["levelname"] == "WARNING" assert log_contents["message"] == log_message assert self.regex_pattern.match(log_contents["spider"]) assert log_contents["important_info"] == extra["important_info"] - def test_error_logging(self): + def test_error_logging(self, log_stream: StringIO, spider: LogSpider) -> None: log_message = "Foo bar message" extra = {"important_info": "foo bar"} - self.spider.log_error(log_message, extra) - log_contents = self.log_stream.getvalue() - log_contents = json.loads(log_contents) + spider.log_error(log_message, extra) + log_contents_str = log_stream.getvalue() + log_contents = json.loads(log_contents_str) assert log_contents["levelname"] == "ERROR" assert log_contents["message"] == log_message assert self.regex_pattern.match(log_contents["spider"]) assert log_contents["important_info"] == extra["important_info"] - def test_critical_logging(self): + def test_critical_logging(self, log_stream: StringIO, spider: LogSpider) -> None: log_message = "Foo bar baz message" extra = {"important_info": "foo bar baz"} - self.spider.log_critical(log_message, extra) - log_contents = self.log_stream.getvalue() - log_contents = json.loads(log_contents) + spider.log_critical(log_message, extra) + log_contents_str = log_stream.getvalue() + log_contents = json.loads(log_contents_str) assert log_contents["levelname"] == "CRITICAL" assert log_contents["message"] == log_message assert self.regex_pattern.match(log_contents["spider"]) assert log_contents["important_info"] == extra["important_info"] - def test_overwrite_spider_extra(self): + def test_overwrite_spider_extra( + self, log_stream: StringIO, spider: LogSpider + ) -> None: log_message = "Foo message" extra = {"important_info": "foo", "spider": "shouldn't change"} - self.spider.log_error(log_message, extra) - log_contents = self.log_stream.getvalue() - log_contents = json.loads(log_contents) + spider.log_error(log_message, extra) + log_contents_str = log_stream.getvalue() + log_contents = json.loads(log_contents_str) assert log_contents["levelname"] == "ERROR" assert log_contents["message"] == log_message diff --git a/tests/test_utils_project.py b/tests/test_utils_project.py index aa250be69..20a3d940c 100644 --- a/tests/test_utils_project.py +++ b/tests/test_utils_project.py @@ -1,18 +1,17 @@ -import contextlib import os -import shutil -import tempfile import warnings from pathlib import Path +import pytest + from scrapy.utils.misc import set_environ from scrapy.utils.project import data_path, get_project_settings -@contextlib.contextmanager -def inside_a_project(): +@pytest.fixture +def proj_path(tmp_path): prev_dir = Path.cwd() - project_dir = tempfile.mkdtemp() + project_dir = tmp_path try: os.chdir(project_dir) @@ -21,21 +20,19 @@ def inside_a_project(): yield project_dir finally: os.chdir(prev_dir) - shutil.rmtree(project_dir) -class TestProjectUtils: - def test_data_path_outside_project(self): - assert str(Path(".scrapy", "somepath")) == data_path("somepath") - abspath = str(Path(os.path.sep, "absolute", "path")) - assert abspath == data_path(abspath) +def test_data_path_outside_project(): + assert str(Path(".scrapy", "somepath")) == data_path("somepath") + abspath = str(Path(os.path.sep, "absolute", "path")) + assert abspath == data_path(abspath) - def test_data_path_inside_project(self): - with inside_a_project() as proj_path: - expected = Path(proj_path, ".scrapy", "somepath") - assert expected.resolve() == Path(data_path("somepath")).resolve() - abspath = str(Path(os.path.sep, "absolute", "path").resolve()) - assert abspath == data_path(abspath) + +def test_data_path_inside_project(proj_path: Path) -> None: + expected = proj_path / ".scrapy" / "somepath" + assert expected.resolve() == Path(data_path("somepath")).resolve() + abspath = str(Path(os.path.sep, "absolute", "path").resolve()) + assert abspath == data_path(abspath) class TestGetProjectSettings: diff --git a/tests/test_utils_python.py b/tests/test_utils_python.py index 291646ad7..c933e0ac9 100644 --- a/tests/test_utils_python.py +++ b/tests/test_utils_python.py @@ -1,7 +1,10 @@ +from __future__ import annotations + import functools import operator import platform import sys +from typing import TYPE_CHECKING, TypeVar import pytest from twisted.trial import unittest @@ -20,16 +23,22 @@ from scrapy.utils.python import ( without_none_values, ) +if TYPE_CHECKING: + from collections.abc import Iterable, Mapping -class TestMutableChain: - def test_mutablechain(self): - m = MutableChain(range(2), [2, 3], (4, 5)) - m.extend(range(6, 7)) - m.extend([7, 8]) - m.extend([9, 10], (11, 12)) - assert next(m) == 0 - assert m.__next__() == 1 - assert list(m) == list(range(2, 13)) + +_KT = TypeVar("_KT") +_VT = TypeVar("_VT") + + +def test_mutablechain(): + m = MutableChain(range(2), [2, 3], (4, 5)) + m.extend(range(6, 7)) + m.extend([7, 8]) + m.extend([9, 10], (11, 12)) + assert next(m) == 0 + assert m.__next__() == 1 + assert list(m) == list(range(2, 13)) class TestMutableAsyncChain(unittest.TestCase): @@ -112,144 +121,150 @@ class TestToBytes: assert to_bytes("a\ufffdb", "latin-1", errors="replace") == b"a?b" -class TestMemoizedMethod: - def test_memoizemethod_noargs(self): - class A: - @memoizemethod_noargs - def cached(self): - return object() +def test_memoizemethod_noargs(): + class A: + @memoizemethod_noargs + def cached(self): + return object() - def noncached(self): - return object() + def noncached(self): + return object() - a = A() - one = a.cached() - two = a.cached() - three = a.noncached() - assert one is two - assert one is not three + a = A() + one = a.cached() + two = a.cached() + three = a.noncached() + assert one is two + assert one is not three -class TestBinaryIsText: - def test_binaryistext(self): - assert binary_is_text(b"hello") - - def test_utf_16_strings_contain_null_bytes(self): - assert binary_is_text("hello".encode("utf-16")) - - def test_one_with_encoding(self): - assert binary_is_text(b"
Price \xa3
") - - def test_real_binary_bytes(self): - assert not binary_is_text(b"\x02\xa3") +@pytest.mark.parametrize( + ("value", "expected"), + [ + (b"hello", True), + ("hello".encode("utf-16"), True), + (b"
Price \xa3
", True), + (b"\x02\xa3", False), + ], +) +def test_binaryistext(value: bytes, expected: bool) -> None: + assert binary_is_text(value) is expected -class TestUtilsPython: - @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") - def test_equal_attributes(self): - class Obj: +@pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") +def test_equal_attributes(): + class Obj: + pass + + a = Obj() + b = Obj() + # no attributes given return False + assert not equal_attributes(a, b, []) + # nonexistent attributes + assert not equal_attributes(a, b, ["x", "y"]) + + a.x = 1 + b.x = 1 + # equal attribute + assert equal_attributes(a, b, ["x"]) + + b.y = 2 + # obj1 has no attribute y + assert not equal_attributes(a, b, ["x", "y"]) + + a.y = 2 + # equal attributes + assert equal_attributes(a, b, ["x", "y"]) + + a.y = 1 + # different attributes + assert not equal_attributes(a, b, ["x", "y"]) + + # test callable + a.meta = {} + b.meta = {} + assert equal_attributes(a, b, ["meta"]) + + # compare ['meta']['a'] + a.meta["z"] = 1 + b.meta["z"] = 1 + + get_z = operator.itemgetter("z") + get_meta = operator.attrgetter("meta") + + def compare_z(obj): + return get_z(get_meta(obj)) + + assert equal_attributes(a, b, [compare_z, "x"]) + # fail z equality + a.meta["z"] = 2 + assert not equal_attributes(a, b, [compare_z, "x"]) + + +def test_get_func_args(): + def f1(a, b, c): + pass + + def f2(a, b=None, c=None): + pass + + def f3(a, b=None, *, c=None): + pass + + class A: + def __init__(self, a, b, c): pass - a = Obj() - b = Obj() - # no attributes given return False - assert not equal_attributes(a, b, []) - # nonexistent attributes - assert not equal_attributes(a, b, ["x", "y"]) - - a.x = 1 - b.x = 1 - # equal attribute - assert equal_attributes(a, b, ["x"]) - - b.y = 2 - # obj1 has no attribute y - assert not equal_attributes(a, b, ["x", "y"]) - - a.y = 2 - # equal attributes - assert equal_attributes(a, b, ["x", "y"]) - - a.y = 1 - # different attributes - assert not equal_attributes(a, b, ["x", "y"]) - - # test callable - a.meta = {} - b.meta = {} - assert equal_attributes(a, b, ["meta"]) - - # compare ['meta']['a'] - a.meta["z"] = 1 - b.meta["z"] = 1 - - get_z = operator.itemgetter("z") - get_meta = operator.attrgetter("meta") - - def compare_z(obj): - return get_z(get_meta(obj)) - - assert equal_attributes(a, b, [compare_z, "x"]) - # fail z equality - a.meta["z"] = 2 - assert not equal_attributes(a, b, [compare_z, "x"]) - - def test_get_func_args(self): - def f1(a, b, c): + def method(self, a, b, c): pass - def f2(a, b=None, c=None): + class Callable: + def __call__(self, a, b, c): pass - def f3(a, b=None, *, c=None): - pass + a = A(1, 2, 3) + cal = Callable() + partial_f1 = functools.partial(f1, None) + partial_f2 = functools.partial(f1, b=None) + partial_f3 = functools.partial(partial_f2, None) - class A: - def __init__(self, a, b, c): - pass + assert get_func_args(f1) == ["a", "b", "c"] + assert get_func_args(f2) == ["a", "b", "c"] + assert get_func_args(f3) == ["a", "b", "c"] + assert get_func_args(A) == ["a", "b", "c"] + assert get_func_args(a.method) == ["a", "b", "c"] + assert get_func_args(partial_f1) == ["b", "c"] + assert get_func_args(partial_f2) == ["a", "c"] + assert get_func_args(partial_f3) == ["c"] + assert get_func_args(cal) == ["a", "b", "c"] + assert get_func_args(object) == [] + assert get_func_args(str.split, stripself=True) == ["sep", "maxsplit"] + assert get_func_args(" ".join, stripself=True) == ["iterable"] - def method(self, a, b, c): - pass + if sys.version_info >= (3, 13) or platform.python_implementation() == "PyPy": + # the correct and correctly extracted signature + assert get_func_args(operator.itemgetter(2), stripself=True) == ["obj"] + elif platform.python_implementation() == "CPython": + # ["args", "kwargs"] is a correct result for the pre-3.13 incorrect function signature + # [] is an incorrect result on even older CPython (https://github.com/python/cpython/issues/86951) + assert get_func_args(operator.itemgetter(2), stripself=True) in [ + [], + ["args", "kwargs"], + ] - class Callable: - def __call__(self, a, b, c): - pass - a = A(1, 2, 3) - cal = Callable() - partial_f1 = functools.partial(f1, None) - partial_f2 = functools.partial(f1, b=None) - partial_f3 = functools.partial(partial_f2, None) - - assert get_func_args(f1) == ["a", "b", "c"] - assert get_func_args(f2) == ["a", "b", "c"] - assert get_func_args(f3) == ["a", "b", "c"] - assert get_func_args(A) == ["a", "b", "c"] - assert get_func_args(a.method) == ["a", "b", "c"] - assert get_func_args(partial_f1) == ["b", "c"] - assert get_func_args(partial_f2) == ["a", "c"] - assert get_func_args(partial_f3) == ["c"] - assert get_func_args(cal) == ["a", "b", "c"] - assert get_func_args(object) == [] - assert get_func_args(str.split, stripself=True) == ["sep", "maxsplit"] - assert get_func_args(" ".join, stripself=True) == ["iterable"] - - if sys.version_info >= (3, 13) or platform.python_implementation() == "PyPy": - # the correct and correctly extracted signature - assert get_func_args(operator.itemgetter(2), stripself=True) == ["obj"] - elif platform.python_implementation() == "CPython": - # ["args", "kwargs"] is a correct result for the pre-3.13 incorrect function signature - # [] is an incorrect result on even older CPython (https://github.com/python/cpython/issues/86951) - assert get_func_args(operator.itemgetter(2), stripself=True) in [ - [], - ["args", "kwargs"], - ] - - def test_without_none_values(self): - assert without_none_values([1, None, 3, 4]) == [1, 3, 4] - assert without_none_values((1, None, 3, 4)) == (1, 3, 4) - assert without_none_values({"one": 1, "none": None, "three": 3, "four": 4}) == { - "one": 1, - "three": 3, - "four": 4, - } +@pytest.mark.parametrize( + ("value", "expected"), + [ + ([1, None, 3, 4], [1, 3, 4]), + ((1, None, 3, 4), (1, 3, 4)), + ( + {"one": 1, "none": None, "three": 3, "four": 4}, + {"one": 1, "three": 3, "four": 4}, + ), + ], +) +def test_without_none_values( + value: Mapping[_KT, _VT] | Iterable[_KT], expected: dict[_KT, _VT] | Iterable[_KT] +) -> None: + assert without_none_values(value) == expected diff --git a/tests/test_utils_request.py b/tests/test_utils_request.py index 5b8509753..9c4cb7159 100644 --- a/tests/test_utils_request.py +++ b/tests/test_utils_request.py @@ -20,45 +20,52 @@ from scrapy.utils.request import ( from scrapy.utils.test import get_crawler -class TestUtilsRequest: - @pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") - def test_request_authenticate(self): - r = Request("http://www.example.com") - request_authenticate(r, "someuser", "somepass") - assert r.headers["Authorization"] == b"Basic c29tZXVzZXI6c29tZXBhc3M=" +@pytest.mark.filterwarnings("ignore::scrapy.exceptions.ScrapyDeprecationWarning") +def test_request_authenticate(): + r = Request("http://www.example.com") + request_authenticate(r, "someuser", "somepass") + assert r.headers["Authorization"] == b"Basic c29tZXVzZXI6c29tZXBhc3M=" - def test_request_httprepr(self): - r1 = Request("http://www.example.com") - assert ( - request_httprepr(r1) == b"GET / HTTP/1.1\r\nHost: www.example.com\r\n\r\n" - ) - r1 = Request("http://www.example.com/some/page.html?arg=1") - assert ( - request_httprepr(r1) - == b"GET /some/page.html?arg=1 HTTP/1.1\r\nHost: www.example.com\r\n\r\n" - ) +@pytest.mark.parametrize( + ("r", "expected"), + [ + ( + Request("http://www.example.com"), + b"GET / HTTP/1.1\r\nHost: www.example.com\r\n\r\n", + ), + ( + Request("http://www.example.com/some/page.html?arg=1"), + b"GET /some/page.html?arg=1 HTTP/1.1\r\nHost: www.example.com\r\n\r\n", + ), + ( + Request( + "http://www.example.com", + method="POST", + headers={"Content-type": b"text/html"}, + body=b"Some body", + ), + b"POST / HTTP/1.1\r\nHost: www.example.com\r\nContent-Type: text/html\r\n\r\nSome body", + ), + ], +) +def test_request_httprepr(r: Request, expected: bytes) -> None: + assert request_httprepr(r) == expected - r1 = Request( - "http://www.example.com", - method="POST", - headers={"Content-type": b"text/html"}, - body=b"Some body", - ) - assert ( - request_httprepr(r1) - == b"POST / HTTP/1.1\r\nHost: www.example.com\r\nContent-Type: text/html\r\n\r\nSome body" - ) - def test_request_httprepr_for_non_http_request(self): - # the representation is not important but it must not fail. - request_httprepr(Request("file:///tmp/foo.txt")) - request_httprepr(Request("ftp://localhost/tmp/foo.txt")) +@pytest.mark.parametrize( + "r", + [ + Request("file:///tmp/foo.txt"), + Request("ftp://localhost/tmp/foo.txt"), + ], +) +def test_request_httprepr_for_non_http_request(r: Request) -> None: + # the representation is not important but it must not fail. + request_httprepr(r) class TestFingerprint: - maxDiff = None - function: staticmethod = staticmethod(fingerprint) cache: ( WeakKeyDictionary[Request, dict[tuple[tuple[bytes, ...] | None, bool], bytes]] @@ -229,35 +236,6 @@ class TestFingerprint: assert actual == expected -REQUEST_OBJECTS_TO_TEST = ( - Request("http://www.example.com/"), - Request("http://www.example.com/query?id=111&cat=222"), - Request("http://www.example.com/query?cat=222&id=111"), - Request("http://www.example.com/hnnoticiaj1.aspx?78132,199"), - Request("http://www.example.com/hnnoticiaj1.aspx?78160,199"), - Request("http://www.example.com/members/offers.html"), - Request( - "http://www.example.com/members/offers.html", - headers={"SESSIONID": b"somehash"}, - ), - Request( - "http://www.example.com/", - headers={"Accept-Language": b"en"}, - ), - Request( - "http://www.example.com/", - headers={ - "Accept-Language": b"en", - "SESSIONID": b"somehash", - }, - ), - Request("http://www.example.com/test.html"), - Request("http://www.example.com/test.html#fragment"), - Request("http://www.example.com", method="POST"), - Request("http://www.example.com", method="POST", body=b"request body"), -) - - class TestRequestFingerprinter: def test_default_implementation(self): crawler = get_crawler() diff --git a/tests/test_utils_response.py b/tests/test_utils_response.py index 80f2f25d5..179ca49e4 100644 --- a/tests/test_utils_response.py +++ b/tests/test_utils_response.py @@ -4,7 +4,7 @@ from urllib.parse import urlparse import pytest -from scrapy.http import HtmlResponse, Response, TextResponse +from scrapy.http import HtmlResponse, Response from scrapy.utils.python import to_bytes from scrapy.utils.response import ( _remove_html_comments, @@ -15,229 +15,203 @@ from scrapy.utils.response import ( ) -class TestResponseUtils: - dummy_response = TextResponse(url="http://example.org/", body=b"dummy_response") +def test_open_in_browser(): + url = "http:///www.example.com/some/page.html" + body = ( + b" test page test body " + ) - def test_open_in_browser(self): - url = "http:///www.example.com/some/page.html" - body = b" test page test body " + def browser_open(burl: str) -> bool: + path = urlparse(burl).path + if not path or not Path(path).exists(): + path = burl.replace("file://", "") + bbody = Path(path).read_bytes() + assert b'' in bbody + return True - def browser_open(burl): - path = urlparse(burl).path - if not path or not Path(path).exists(): - path = burl.replace("file://", "") - bbody = Path(path).read_bytes() - assert b'' in bbody - return True + response = HtmlResponse(url, body=body) + assert open_in_browser(response, _openfunc=browser_open), "Browser not called" - response = HtmlResponse(url, body=body) - assert open_in_browser(response, _openfunc=browser_open), "Browser not called" + resp = Response(url, body=body) + with pytest.raises(TypeError): + open_in_browser(resp, debug=True) # pylint: disable=unexpected-keyword-arg - resp = Response(url, body=body) - with pytest.raises(TypeError): - open_in_browser(resp, debug=True) # pylint: disable=unexpected-keyword-arg - def test_get_meta_refresh(self): - r1 = HtmlResponse( - "http://www.example.com", - body=b""" - - Dummy - blahablsdfsal& - """, - ) - r2 = HtmlResponse( - "http://www.example.com", - body=b""" - - Dummy - blahablsdfsal& - """, - ) - r3 = HtmlResponse( - "http://www.example.com", - body=b""" -